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Showing posts with label NTT DoCoMo. Show all posts
Showing posts with label NTT DoCoMo. Show all posts

Monday, 12 May 2014

Improvement in Interference Rejection and Suppression Technology


In the last post where I talked about FeICIC I mentioned about the advanced Interference rejecting receivers, here is one very good article from NTT Docomo technical journal. The following is from this article:

Rel. 11 LTE has introduced MMSE-Interference Rejection Combining (MMSE-IRC) receivers as a mobile terminal interference rejection and suppression technology to mitigate the effects of these interference signals and increase user throughput even in areas that are recently experiencing high interference. Rel. 8 LTE receivers support MIMO transmission technology, so receivers were equipped with at least two antennas since it was first introduced. The MMSE-IRC receivers in Rel. 11 LTE, are able to use the multiple receiver antennas to create points, in the arrival direction of the interference signal, where the antenna gain drops (“nulls”) and use them to suppress the interference signal (Figure 1). The terminal orients a null toward the main interference signal, which is the signal that particularly affects the degradation of throughput, thereby improving the Signal-to-Interferenceplus-Noise power Ratio (SINR) and improving throughput performance.

However, with the original MIMO multiplexed transmission, which realized high throughput using multiple transmit and receiver antennas, the receiver antennas are used to separate the signals between layers, so interference from adjacent cells cannot be suppressed and throughput cannot be improved, particularly for mobile terminals with two receiver antennas.

On the other hand, the 3GPP has already included interference rejection and suppression technology in performance specifications for mobile terminals equipped with W-CDMA/High-Speed Downlink Packet Access (HSDPA) in Rel. 7 of the Universal Mobile Telecommunications System (UMTS). With W-CDMA, receivers normally use one receiver antenna and perform Rake reception, but the effects of multipath interference degrading reception performance was an issue.

Thus, the following three receiver extensions were studied and introduced.
• Type 1/1i extends the Rake receiver to use two antennas.
• Type 2/2i extends the Rake receiver to an MMSE receiver that suppresses multipath and adjacent-cell interference.
• Type 3/3i extends the MMSE interference-suppressing receiver defined in Type 2/2i to use two receiver antennas.

The functional extensions in receivers in Rel.7 UMTS and Rel. 11 LTE are summarized in Table 1. The MMSE-IRC receivers in Rel. 11 LTE incorporate receiver algorithms that are generally equivalent to those in the Type 3/3i receivers introduced in WCDMA/HSDPA. However, in the WCDMA/HSDPA receivers they also operate to suppress inter-coding interference within a cell. There is no interference within a cell in LTE systems, so in the MMSE-IRC receivers introduced in Rel. 11 LTE, they operate to suppress interference arriving from adjacent cells.

From my understanding, a similar approach is being proposed for the Mobile Relay Node (MRN)

Anyway, the complete article is as follows:


Monday, 5 May 2014

WebRTC (Web Real-Time Communication) Updates

Its been a while since I last blogged about WebRTC. Things have been progressing as rather fast pace in this area.



WebRTC capabilities have quietly sneaked in our browsers. There is a debate about who would move to WebRTC before, Apple or Microssoft; Tsahi Levent-Levi makes his predictions here.



As per Light Reading, Japanese operator NTT has opened a WebRTC based chatroom recently.



The Korean operator SK Telecom as been showing off its WebRTC interworking with IMS platform.



The problem with WebRTC can be as seen in the slide above. Classic problem of what was promised and whats the reality.

There are 2 interesting presentations that I am embedding below that I found useful:






Additional Reading:


Friday, 18 April 2014

International LTE Data and VoLTE Roaming - NTT Docomo


Quick recap of the Bearer Architecture: Remember the interface between S-GW and P-GW is known as S5/S8. S5 in case the S-GW and P-GW are part of the same network (non-roaming case) and S8 in case where P-GW belongs to another network than S-GW (roaming case). The S5/S8 interfaces are generally exactly the same. There is a possibility of different types of S5/S8 interfaces like GTP based and PMIP based but lets not discuss that here.

NTT Docomo published an excellent article in their magazine recently showing the different approaches to International Data roaming.


The different scenarios above are based on the guidelines provided in GSMA PRD IR.88. Each operator has to adopt one of the scenarios above, NTT Docomo has selected scenario 4. The Home PLMN (HPLMN) and the Visited PLMN (VPLMN) connect via IP eXchange (IPX).


As can be seen above, the MME in VPLMN communicates with HSS in HPLMN using Diameter Edge Agent (DEA).



Finally, it is well known that NTT Docomo is not launching VoLTE untill 2015. The above is their proposal on how they handle VoLTE while in Japan and when roaming.

The paper is an interesting read, embedded below:



Another article worth a read is the VoLTE roaming with RAVEL here.

Thursday, 13 February 2014

VoLTE Roaming with RAVEL (Roaming Architecture for Voice over IMS with Local Breakout)


Voice over LTE or VoLTE has many problems to solve. One of the issues that did not have a clear solution initially was Roaming. iBasis has a whitepaper on this topic here, from which the above picture is taken. The following is what is said above:

The routing of international calls has always been a problem for mobile operators. All too often the answer—particularly in the case of ‘tromboning’ calls all the way back to the home network—has been inelegant and costly. LTE data sessions can be broken out locally, negating the need for convoluted routing solutions. But in a VoIMS environment all of the intelligence that decides how to route the call resides in the home network, meaning that the call still has to be routed back.

The industry’s solution to this issue is Roaming Architecture for Voice over LTE with Local Breakout (RAVEL). Currently in the midst of standardisation at 3GPP, RAVEL is intended to enable the home network to decide, where appropriate, for the VoIMS call to be broken out locally. 

Three quarters of respondents to the survey said they support an industry-wide move to RAVEL for VoLTE roaming. This is emphatic in its enthusiasm but 25 per cent remains a significant share of respondents still to be convinced. Just over half of respondents said they plan to support VoIMS for LTE roaming using the RAVEL architecture, while 12.3 per cent said they would support it, but not using RAVEL.

Until RAVEL is available, 27.4 per cent of respondents said they plan to use home-routing for all VoLTE traffic, while just under one fifth said they would use a non-standard VoLTE roaming solution.

Well, the solution was standardised in 3GPP Release-11. NTT Docomo has an excellent whitepaper (embedded below) explaining the issue and the proposed solution.

In 3GPP Release 11, the VoLTE roaming and interconnection architecture was standardized in cooperation with the GSMA Association. The new architecture is able to implement voice call charging in the same way as circuit-switched voice roaming and interconnection models by routing both C-Plane messages and voice data on the same path. This was not possible with the earlier VoLTE roaming and interconnection architecture.

Anyway, here is the complete whitepaper




Monday, 20 January 2014

Different flavours of SRVCC (Single Radio Voice Call Continuity)



Single Radio Voice Call Continuity (SRVCC) has been quietly evolving with the different 3GPP releases. Here is a quick summary of these different flavors

In its simplest form, SRVCC comes into picture when an IMS based VoLTE call is handed over to the existing 2G/3G network as a normal CS call. SRVCC is particularly important when LTE is rolled out in small islands and the operator decided to provide VoLTE based call when in LTE. An alternative (used widely in practice) is to use CS Fallback (CSFB) as the voice option until LTE is rolled out in a wider area. The main problem with CSFB is that the data rates would drop to the 2G/3G rates when the UE falls back to the 2G/3G network during the voice call.



The book "LTE-Advanced: A Practical Systems Approach to Understanding 3GPP LTE Releases 10 and 11 Radio Access Technologies" by Sassan Ahmadi has some detailed information on SRVCC, the following is an edited version from the book:

SRVCC is built on the IMS centralized services (ICS) framework for delivering voice and messaging services to the users regardless of the type of network to which they are attached, and for maintaining service continuity for moving terminals.

To support GSM and UMTS, some modifications in the MSC server are required. When the E-UTRAN selects a target cell for SRVCC handover, it needs to indicate to the MME that this handover procedure requires SRVCC. Upon receiving the handover request, the MME triggers the SRVCC procedure with the MSC server. The MSC then initiates the session transfer procedure to IMS and coordinates it with the circuit-switched handover procedure to the target cell.

Handling of any non-voice packet-switched bearer is by the packet-switched bearer splitting function in the MME. The handover of non-voice packet-switched bearers, if performed, is according to a regular inter-RAT packet-switched handover procedure.

When SRVCC is enacted, the downlink flow of voice packets is switched toward the target circuit-switched network. The call is moved from the packet-switched to the circuit-switched domain, and the UE switches from VoIP to circuit-switched voice.

3GPP Rel-10 architecture has been recommended by GSMA for SRVCC because it reduces both voice interruption time during handover and the dropped call rate compared to earlier configurations. The network controls and moves the UE from E-UTRAN to UTRAN/GERAN as the user moves out of the LTE network coverage area. The SRVCC handover mechanism is entirely network-controlled and calls remain under the control of the IMS core network, which maintains access to subscribed services implemented in the IMS service engine throughout the handover process. 3GPP Rel-10 configuration includes all components needed to manage the time-critical signaling between the user’s device and the network, and between network elements within the serving network, including visited networks during roaming. As a result, signaling follows the shortest possible path and is as robust as possible, minimizing voice interruption time caused by switching from the packet-switched core network to the circuit-switched core network, whether the UE is in its home network or roaming. With the industry aligned around the 3GPP standard and GSMA recommendations, SRVCC-enabled user devices and networks will be interoperable, ensuring that solutions work in many scenarios of interest.

Along with the introduction of the LTE radio access network, 3GPP also standardized SRVCC in Rel-8 specifications to provide seamless service continuity when a UE performs a handover from the E-UTRAN to UTRAN/GERAN. With SRVCC, calls are anchored in the IMS network while the UE is capable of transmitting/ receiving on only one of those access networks at a given time, where a call anchored in the IMS core can continue in UMTS/GSM networks and outside of the LTE coverage area. Since its introduction in Rel-8, the SRVCC has evolved with each new release, a brief summary of SRVCC capability and enhancements are noted below

3GPP Rel-8: Introduces SRVCC for voice calls that are anchored in the IMS core network from E-UTRAN to CDMA2000 and from E-UTRAN/UTRAN (HSPA) to UTRAN/GERAN circuit-switched. To support this functionality, 3GPP introduced new protocol interface and procedures between MME and MSC for SRVCC from E-UTRAN to UTRAN/GERAN, between SGSN and MSC for SRVCC from UTRAN (HSPA) to UTRAN/GERAN, and between the MME and a 3GPP2-defined interworking function for SRVCC from E-UTRAN to CDMA 2000.

3GPP Rel-9: Introduces the SRVCC support for emergency calls that are anchored in the IMS core network. IMS emergency calls, placed via LTE access, need to continue when SRVCC handover occurs from the LTE network to GSM/UMTS/CDMA2000 networks. This evolution resolves a key regulatory exception. This enhancement supports IMS emergency call continuity from E-UTRAN to CDMA2000 and from E-UTRAN/UTRAN (HSPA) to UTRAN/ GERAN circuit-switched network. Functional and interface evolution of EPS entities were needed to support IMS emergency calls with SRVCC.

3GPP Rel-10: Introduces procedures of enhanced SRVCC including support of mid-call feature during SRVCC handover (eSRVCC); support of SRVCC packet-switched to circuit-switched transfer of a call in alerting phase (aSRVCC); MSC server-assisted mid-call feature enables packet-switched/ circuit-switched access transfer for the UEs not using IMS centralized service capabilities, while preserving the provision of mid-call services (inactive sessions or sessions using the conference service). The SRVCC in alerting phase feature adds the ability to perform access transfer of media of an instant message session in packet-switched to circuit-switched direction in alerting phase for access transfers.

3GPP Rel-11: Introduces two new capabilities: single radio video call continuity for 3G-circuit-switched network (vSRVCC); and SRVCC from UTRAN/GERAN to E-UTRAN/HSPA (rSRVCC). The vSRVCC feature provides support of video call handover from E-UTRAN to UTRAN-circuitswitched network for service continuity when the video call is anchored in IMS and the UE is capable of transmitting/receiving on only one of those access networks at a given time. Service continuity from UTRAN/GERAN circuitswitched access to E-UTRAN/HSPA was not specified in 3GPP Rel-8/9/10. To overcome this drawback, 3GPP Rel-11 provided support of voice call continuity from UTRAN/GERAN to E-UTRAN/HSPA. To enable video call transfer from E-UTRAN to UTRAN-circuit-switched network, IMS/EPC is evolved to pass relevant information to the EPC side and S5/S11/Sv/Gx/Gxx interfaces are enhanced for video bearer-related information transfer. To support SRVCC from GERAN to E-UTRAN/HSPA, GERAN specifications are evolved to enable a mobile station and base station sub-system to support seamless service continuity when a mobile station hands over from GERAN circuit-switched access to EUTRAN/ HSPA for a voice call. To support SRVCC from UTRAN to EUTRAN/ HSPA, UTRAN specifications are evolved to enable the RNC to perform rSRVCC handover and to provide relative UE capability information to the RNC.

NTT Docomo has a presentation on SRVCC and eSRVCC which is embedded below:



Friday, 13 December 2013

Advancements in Congestion control technology for M2M


NTT Docomo recently published a new article (embedded below) on congestion control approaches for M2M. In their own words:

Since 3GPP Release 10 (Rel. 10) in 2010, there has been active study of technical specifications to develop M2M communications further, and NTT DOCOMO has been contributing proactively to creating these technical specifications. In this article, we describe two of the most significant functions standardized between 3GPP Rel. 10 and Rel. 11: the M2M Core network communications infrastructure, which enables M2M service operators to introduce solutions more easily, and congestion handling technologies, which improve reliability on networks accommodating a large number of terminals.

Complete article as follows:



Other related posts:

Sunday, 27 October 2013

TDD-FDD Joint CA


From a recent NTT Docomo presentation (embedded below). Whereas right now 3GPP has only been working on FDD or TDD scenarios, this proposal is a combination of FDD as P-Cell and TDD as S-Cell. Inter-Technology carrier aggregation is another possible option. Anyway, the complete presentation is below.


LTE-Advanced Enhancements and Future Radio Access Toward 2020 and Beyond from Zahid Ghadialy

Updated on 29/10/2013

3GPP has already started working on this work item. See RP-131399 for details.

Monday, 29 April 2013

NTT Docomo gives another shot to Mobile TV

Couple of news items from earlier this month from Japan about the nottv Mobile TV service. First was that it celebrated its 1st anniversary. The second is that it has racked up 700,000 subscribers; less than a million that it was expecting. I have posted in the past about attempts by various parties on Mobile TV that was unsuccessful. You can read more about that here and here.

One of the ways Mobile TV can provide additional value as compared to the normal TV is through audience participation. NOTTV is working to be able to provide this feature in future. Also it uses the ISDB-Tmm standard for broadcast. Hopefully in future when eMBMS is more popular, it may be used to transmit Mobile TV data as well. A picture showing the difference between the ISDB-T and ISDB-Tmm is shown below (from the presentation here)


A magazine article on NOTTV from the NTT Docomo magazine is embedded as follows:


Monday, 22 April 2013

eMBMS rollouts gathering steam in 2013

Its been a while since I last posted something on eMBMS. Its been even longer that we saw anything official from 3GPP on eMBMS. Recently I have seen some operators again starting to wonder if eMBMS makes business sense, while the vendors and standards are still working hard on the technology.

Not so long back, HEVC/H.265 codec was standardised. This codec helps transmission of the video using half the bandwidth. This means that it would be economical to use this for broadcast technologies. No wonder Nokia, Thompson and NTT Docomo are excited.

Interesting picture from a Qualcomm presentation (embedded in the end) shows how different protocols fit in the eMBMS architecture. My guess would be that the HEVC  may be part of the Codecs.



On the operators front, Korea Telecom (KT) has intentions for countrywide rollout. Korea is one of the very few countries where end users have embraced watching video on small form factors. Verizon wireless has already signalled the intention to rollout eMBMS in 2014; its working out a business case. Telenor Sweden is another player to join the band with the intention of adopting Ericsson's Multi screen technology.

One of the main reasons for the lack of support for the 3G MBMS technology was not a compelling business case. Qualcomm has a whitepaper that outlines some of the potential of LTE Broadcast technology here. A picture from this whitepaper on the business case below:

Finally, a presentation from Qualcomm research on eMBMS embedded below:



Monday, 1 April 2013

The 'Phantom Cell' concept in LTE-B


One of the LTE-B proposals by NTT Docomo is this 'Phantom Cell' concept. A recent article from the IEEE Communications Magazine expands this further:


Phantom Cell Concept — In the current deployments, there are a number of capacity solutions for indoor environments such as WiFi, femtocells, and in-building cells using distributed antenna systems (DAS). However, there is a lack of capacity solutions for high-traffic outdoor environments that can also support good mobility and connectivity. Thus, we propose the concept of macro-assisted small cells, called the Phantom Cell, as a capacity solution that offers good mobility support while capitalizing on the existing LTE network. In the Phantom Cell concept, the C-plane/U-plane are split as shown in Fig. The C-plane of UE in small cells is provided by a macrocell in a lower frequency band, while for UE in macrocells both the C-plane and U-plane are provided by the serving macrocell in the same way as in the conventional system. On the other hand, the Uplane of UE in small cells is provided by a small cell using a higher frequency band. Hence, these macro-assisted small cells are called Phantom Cells as they are intended to transmit UE-specific signals only, and the radio resource control (RRC) connection procedures between the UE and the Phantom Cell, such as channel establishment and release, are managed by the macrocell.

The Phantom Cells are not conventional cells in the sense that they are not configured with cell specific signals and channels such as cell-ID-specific synchronization signals, cell-specific reference signals (CRS), and broadcast system information. Their visibility to the UE relies on macrocell signaling. The Phantom Cell concept comes with a range of benefits. One important benefit of macro assistance of small cells is that control signaling due to frequent handover between small cells and macrocells and among small cells can be significantly reduced, and connectivity can be maintained even when using small cells and higher frequency bands. In addition, by applying the new carrier type (NCT) that contains no or reduced legacy cell-specific signals, the Phantom Cell is able to provide further benefits such as efficient energy savings, lower interference and hence higher spectral efficiency, and reduction in cellplanning effort for dense small cell deployments.

To establish a network architecture that supports the C/U-plane split, and interworking between the macrocell and Phantom Cell is required. A straightforward solution to achieve this is to support Phantom Cells by using remote radio heads (RRHs) belonging to a single macro eNB. This approach can be referred to as intra-eNB carrier aggregation (CA) using RRHs. However, such a tight CA-based architecture has some drawbacks as it requires single-node operation with low-latency connections (e.g., optical fibers) between the macro and Phantom Cells. Therefore, more flexible network architectures should be investigated to allow for relaxed backhaul requirements between macro and Phantom Cells and to support a distributed node deployment with separated network nodes for each (i.e., inter-eNB CA).


Monday, 28 January 2013

Overview of 3GPP Release-12 Study Item UPCON

Mobile operators are seeing significant increases in user data traffic. For some operators, user data traffic has more than doubled annually for several years. Although the data capacity of networks has increased significantly, the observed increase in user traffic continues to outpace the growth in capacity. This is resulting in increased network congestion and in degraded user service experience. Reasons for this growth in traffic are the rapidly increasing use of smart phones and tablet like devices, and the proliferation of data applications that they support, as well as the use of USB modem dongles for laptops to provide mobile Internet access using 3GPP networks. As the penetration of these terminals increases worldwide and the interest in content-rich multi-media services (e.g. OTT video streaming services) rises, this trend of rapidly increasing data traffic is expected to continue and accelerate.


Here are couple of presentations on this topic:







Related blog posts:

Wednesday, 23 January 2013

LTE-B, LTE-C, ... , LTE-X

Please make sure to read the comment from Kevin Flynn of 3GPP at the end


When I saw this picture above, I started wondering what LTE-B, etc. and started digging a bit deep. Came across this Ericsson presentation (embedded below) that shows the breakdown.

To just be sure that this is not Ericsson specific term, I also found a presentation by NTT Docomo (embedded below)
So I guess using LTE-B, LTE-C, etc. is better than saying 4.1G, 4.2G, etc. as we did in case of 3G/HSPA.


The presentations from Ericsson and NTT Docomo embedded below, available to download from Slideshare.






Sunday, 26 August 2012

Voice-Over-LTE (VoLTE) Signalling

MetroPCS has recently launched rolled out VoLTE in USA using LG connect phones. More operators would be rolling it out soon so here is example of Signaling in VoLTE.




To read in detail, please see the article from NTT Docomo technical journal here.

Tuesday, 3 July 2012

A quick summary of #SCWS2012 in tweets

Summary of the interesting announcements and things that happened in the Small Cells World Summit 2012

DAY 1

@lesanto: "small cells are seen as a viable option to meet the demands of exponentially growing networks". even Mongolia is getting into the small cells!

@lesanto: First keynote speaker is Simon Saunders chairman of the Small Cell forum (he's written a LOT of books on the subject...)





@lesanto: I will be quoting Simon Saunders in this style: SS "this is the premier Small Cells event in the world"

@lesanto: SS "the agenda over the next few days is effectively a guide to all the Small Cells issues - a well balanced program"

@lesanto: SS "people often ask which Small Cells event they should go to. I say this one, if you can only do one industry this is it"

@lesanto: Simon Saunders "why is it that Small Cells are a good idea in the first place?"

@lesanto: SS "the more we try to serve the unlimited demand for data with macro cells the more interference we have to deal with"

@lesanto: SS "Small Cell networks help us to serve those data demands without increasing interference"

@lesanto: SS "we founded the Femto Forum in 2007 to answer these challenges"

@lesanto: SS "through hard work we achieved an open architecture for the 3G Femtocells. We highlighted a business case for Femtocells"

@stewartbaines: Simon Saunders: Capacity at limits, pushing Shannon's Law. We need more cells, tighter interference control and cost control

@lesanto: SS "deploying more small cells decreases network interference if managed properly"

@lesanto: SS "it is very heartening to see operators today deploying Femtocells successfully, we're seeing a great deal of maturity"

@thinksmallcell: Operators are finding the cost savings, churn reduction of femtocells to be much better than originally forecast - Simon Saunders

@lesanto: SS "Key attributes of small cells include Scalability, Automated configuration and optimisation..."

@lesanto: SS "we see the need and opportunity to do even more with small cells"

@Ubiquisys: "Our work today is about differentiating the technology to fit different environments"

@lesanto: "60% of operators surveyed consider small cells will be more important to LTE deployments than macrocells"

@LisaGCisco: Chair Simon Saunders highlights the Small Cell Forum work areas that include home, enterprise, metro and rural small cells

@stewartbaines: Simon Saunders: i struggle to find an operator that does not have small cells on their roadmap

@lesanto: go to http://smallcellforum.org where you can download the Small Cells Market Status report (free)

@lesanto: Small Cells forum now has 76 technology providers as members

@lesanto: In 2007 commercial deployment of small cells = zero -- now we have 41 operators deploying them commercially, including 9 of top 10

@bmbarnowski: great retrospective on the evolution of the femtocell/smallcell forum by SS … 2007 was a lonely year indeed for femtos ..

@lesanto: small cell deployment was once solely focussed on domestic deployment, now deployment is much broader inc commercial

@lesanto: 3.8 million femtocells deployed commercially worldwide

@Alejandro_Avren: 3.8 million femtocells deployed globally, says simon saunders of the small cell forum 

@lesanto: several deployments have reached real scale, such as Sprint : over 600,000 units deployed

@lesanto: there will be more small cells deployed than macrocells by the end of 2012

@lesanto: to summarise : small cells have properly arrived ;0)

@Ubiquisys: By the end of 2012 there will be more Small Cells (6.4m) than Macro Cells

@thinksmallcell: forecast 6.4million small cells by end 2012 = more than all global macrocells all technologies

@lesanto: prediction: 91.9 million small cells will be deployed worldwide by end of 2016

@MarkBLHenry: Simon Saunders: "... The central magic of cellular is spectrum reuse..."

@lesanto: small cells offer a very substantial opportunity to increase capacity in a network

@stewartbaines: Simon Saunders: more small cells (6.4m) than macro (6m) by end of year. 80% all cells will be titchy by 2016 #SCWS2012. I got 2 of them :)

@lesanto: small cells can offer real positive change for the user experience on a 3g network

@lesanto: wi-fi and small cells need integration - they should be deployed in cooperation

@disruptivedean: Survey results at #SCWS2012 about coexistence & integration of Small Cells & WiFi point to wishful & unrealistic thinking about #HetNets

@lesanto: we see the opportunity for a deeper integration of small cells and wifi

@disruptivedean: Just had further evidence about slow/misguided focus of Carrier WiFi. WBA announced a trial of NGH WiFi starting Q4 #TooSlow

@lesanto: 2011 Small Cells Forum published small cell APIs

@Ubiquisys: The two overriding themes of @SmallCell_Forum's work are: a) Open and b) Multi-technology 

@disruptivedean: My summary of intro at #SCWS2012: Good move shifting from femto to broader small-cells. Looking bright for LTE. Unconvinced by WiFi pitch

@lesanto: "Vodafone's strategy is to drive Small Cells from a customer needs perspective"

@lesanto: products such a Vodafone's 'sure signal' need to be plug and play, easy to install and use

@SmallCell_Forum: 3.8 million femtocells deployed globally today #SCWS2012. Market status report now at: http://www.smallcellforum.org/resources-white-papers

@lesanto: Vodafone are now running a trial of commercial small cells in Germany with great feedback already

@thinksmallcell: Vodafone to launch enterprise femtocells in Germany 2013. Good feedback from trials so far

@lesanto: data is becoming continually more important to customers, and they also want less wires and network devices in their homes

@thinksmallcell: Vodafone showcasing new FemtoPlug - embedded femtocell into a small mains plug. 8 calls 21Mb/s. Sagemcom and ALU suppliers.

@lesanto: enterprise customers are a very important segment of Vodafone's femtocell proposition - they want easy integration into their IT

@danieldotfox: Wow. The new Sure Signal product from #Vodafone looks amazing. Well thought out consumer proposition. Nice!

@SmallCell_Forum: Vodafone announces femtoplug: tiny femtocell with ethernet over mains. To be launched in existing markets 'within weeks'. 

@disruptivedean: Liking the new "femtoplug" products announced by Vodafone. Very neat residential femto integrated into electric plug. 

@lesanto: Present speaker, Alan Law, Technical Lead for femtocells, Vodafone Group...

@lesanto: "where do you put small cells? How can we determine where the hot spots are? Fortunately there are tools available to help here"

@lesanto: "geolocation tools can also be exploited for network quality improvements"

@Ubiquisys: "Geolocation can be used to identify traffic hotspots"

@lesanto: "Vodafone have gained essential experience on how to address challenges with public access small cells for many environments"

@lesanto: "the availability of multi-technology small cells eases deployment"

@lesanto: "accelerate availability of multi-technology small cells to reduce the number of site boxes required to ease deployment"

@lesanto: "it not just about network cover and quality - it is also about driving new services and revenue growth"

@lesanto: Next speaker : Sebastien Pham Programme Manager New Products Vodafone New Zealand.

@LisaGCisco: Vodafone's Alan Law underscores importance of Iuh standard to accelerate small cell market adoption 

@lesanto: Vodafone NZ faces the challenge of a relatively large area with a relatively low number of users.

@lesanto: 4.8 million mobile subscribers in 2011 in New Zealand - 97% 3g coverage (vodafone) - rural broadband is very challenging

@lesanto: Vodafone deploying small cells in homes in NZ, but their Sure Signal will only work on Vodafone's own DSL network.

@lesanto: watching a video on how small cells can help you make better mobile calls at home : are you hanging out a window to get a single?

@stewartbaines: Femtos bring broadband to rural communities in NZ:http://www.vodafone.co.nz/suresignal

@lesanto: plug in a Sure Signal small cell box into your DSL and suddenly you can make mobile calls from anywhere in the house!#sorted!

@stewartbaines: No more driving testing: use geolocation tools to identify traffic not-spots. Vodafone at #SCWS2012 #smallcells

@lesanto: Next vid: a small business in NZ in a building known as the bunker - thick concrete and steel walls = poor mobile reception!

@disruptivedean: Ironic that Small Cell industry finally getting enterprise proposition right, at same time that #BYOD drives #BYOSP in businesses 

@lesanto: yep, you've guessed it : they plug in a Sure Signal small cell and their mobiles all work - even inside the bunker ;0)

@stewartbaines: @katebo Orange is doing a prez on it's enterprise femtocell strategy at#SCWS2012. Will grab a post for Connecting Technology blog

@danieldotfox: Small Cell feedback via Vodafone.nz, from customers: It's life changing! We all need and depend on mobiles... Food for thought!

@lesanto: small cells were deployed during the Feb 2011 Christchurch earthquake to replace broken macro cells in certain essential areas

@Ubiquisys: Femtocells have been used in disaster situations for emergency coverage, such as the Christchurch earthquake 

@vodafoneNZ: @Ubiquisys Our network team did incredible work for Chch #eqnz. Used creative tools including the Truck http://bit.ly/NGPzM7

@lesanto: new speaker : Emmanuel Adnot International Strategy Manager at Orange...

@lesanto: Orange Group had $45bn turnover in 2011

@lesanto: talking about : How Femtocells support Orange's B2B strategy...

@lesanto: "coverage needs in enterprise markets are niche" Emmanuel Adnot, Orange (EA)

@lesanto: "10% of B2B customers have indoor mobile reception issues that effect their business"

@lesanto: "10% is a niche but it still represents a significant market"

@lesanto: "45% of those connectivity issues are suffered in basement or storeroom situations" EA

@lesanto: "80% of customers suffering local connectivity issues are ready to move to an operator offering a solution to the problem"

@lesanto: "small cells are part of the B2B indoor coverage strategy" EA

@lesanto: "30% of B2B users are using smartphones - but that share is growing massively"

@lesanto: small b2b customers need both wi-fi and small cell solutions to answer their connectivity issues

@lesanto: "small cell installation reduced churn by almost 50% where connectivity had previously been an issue"

@lesanto: "B2B customers suffering indoor connectivity problems are ready to pay for small cell solutions"

@lesanto: "Orange will launch small cell solutions to the UK market in summer 2012"

@danieldotfox: In Portugal, #Orange cam charge over €1000 for a B2B femto. Wow.

@stewartbaines: Orange study: 80% of business customers ready to churn if their coverage issues are not addressed. #SCWS2012. Similar to Alcatel research...

@SmallCell_Forum: Orange: PT, FR, Romania B2B femtocells launched, 2 more countries to be launched (UK, Be) by end 2012 #scws2012 plus Poland next year

@stewartbaines: Small cells can be basis for location-based services. Stop the dumb pipe!

@lesanto: "what's next? Femtocell as a service for small operations..

@lesanto: "what's next: femtocell and other techs within a small cell - leverage indoor coverage solution for location based services"

@Ubiquisys: What's next for B2B femtocell solutions? Here's @orange's outlook





@lesanto: why are Orange concentrating on B2B for small cells? Could it be the cost? I can't see many consumers paying $1500 a pop!

@lesanto: but Orange haven't ruled out bringing small cells to the consumer...

@dmavrakis: Orange believes that SMBs that have coverage problems are willing to pay €1500 for an access point.

@stewartbaines: Orange France enterprise femtos cost 1500 euros. But you do get a visit from an engineer. I thought they were plug & play?

@lesanto: next speaker : Martin Guthrie - head of business development - NEC

@lesanto: MG "small cells are beautiful"

@lesanto: "the world is getting smaller, so are macro cells"

@lesanto: "smaller and smaller cell sizes are an inevitability along with the technical and cost benefits they bring"

@lesanto: " many small cells advantages : better coverage, greater capacity gain, higher density coverage"

@lesanto: "business case benefits of small cells are not fully understood"

@Ubiquisys: The elephant in the small cells room is dichotomy between vendors: "look at our tech" & operators: "how can we make money?" @NEC

@lesanto: "benefits: reduced customer churn : increased customer acquisition : reduced cost of new macro deployment : "

@lesanto: " more benefits: leverage presence of mobile operator in the home : Increased ARPU "

@Ubiquisys: "Integration with operators' existing network and system is key" @NEC

@lesanto: technical and marketing support is essential when deploying small cells - choose your vendor carefully!

@lesanto: "make sure that your small cell solutions use advanced & adaptive radio management technologies that won't interfere with macro"

@lesanto: Next speaker : Mark Gallagher Principle Engineer, Cisco

@lesanto: "mass adoption of the mobile internet is going on right now - scaling to meet this demand is the challenge"

@Ubiquisys: The next speaker is Mark Gallagher of @CiscoSystems "Defining the New Normal"

@small_cells: "usage patterns in mobile internet are as important as the size of use"

@disruptivedean: Watching Cisco at #SCWS2012 . Think that it's underestimating % of smartphone data that goes via WiFi, only small % of which is offload

@small_cells: "network densification is required : small cell development = highly dense topologies"

@Ubiquisys: "Network densification is required. Small cell deployment = highly dense topologies" @CiscoSystems

@small_cells: "you must use all the spectrum assets available to you"

@small_cells: globally available data sources can be incorporated into RF planning tools to give a clear picture of where to add small cells

@small_cells: "you need a simple, scaleable small cell solution that's properly managed"

@small_cells: "there is significant revenue potential in the small cell business model" -- think beyond simply making savings

@small_cells: "Small cells really are the new norm"

@Ubiquisys: London hotspots map shows usage, including tweets & Flickr photos, identifies small cell deployment locations.

@Ubiquisys: Small cells future built around growing penetration of mobile internet. Take learnings from adjacent markets.

@Lance_Hiley: #ciscosystems shows geolocation tool to identify potential #smallcellsdeployment locations using #flicker and #twitter uploads

@small_cells: "small cells are splitting into two categories : capacity and coverage"

@small_cells: "how can we cope with the data tsunami that's coming at us?"

@small_cells: "the cost difference between a small cell and a macro is large"

@Ubiquisys: Joe Madden of Mobile Experts on Small cell economics and time-to-market

@small_cells: "with data growth doubling every year you really need to plan ahead to cope"

@Ubiquisys: Data growth in US will not be uniform. Most data is consumed in downtown metro areas.

@small_cells: "imagine if it was your job to find sites for 28,000 new macro masts per year to cope with data demand!"

@Ubiquisys: Balanced solution = towers in the rural areas, picocells in urban areas.

@stewartbaines: Joe Madden: It worries me that operators are talking small cells only for LTE. You need a balance (small + macro)

@lesanto: "operators are not keeping up with the data curve, I don't see them spending enough capital to keep up with demand"

@lesanto: "I think we're going to fall behind data demand in a serious way in 2015/2016"

@Ubiquisys: Operators won't be able to keep up with data demand. Be ready to ship millions of picocells in next few years.

@lesanto: "when customers want to use more data than they can get we'll have unhappy customers and that means churn"

@disruptivedean: HIghly questionable supply/demand curve at #SCWS2012 that doesn't cover impact of pricing & policy management constraining "demand"

@lesanto: "those unhappy customers will force operators to make choices they hadn't previously wanted to make for economic reasons"

@stewartbaines: Joe Madden: be ready to ship millions of small cells, whether cheapest or not, by 2015

@lesanto: "we are projecting high numbers of small cells because of time-to-Market issues..."

@lesanto: The #London2012 olympics throws up a real challenge for mobile operators - small cells are already installed for the event.

@danieldotfox: #O2UK has 100 small cells within the London area.

@Ubiquisys: Currently on stage, Robert Joyce of Telefonica. Case study: delivering small cells into the heart of central London

@SmallCell_Forum: O2 says "small cells are the only way" for future capacity, even factoring on extra spectrum and LTE-A.

@lesanto: "2g hotspots aren't in the same place as 3g hotspots so replacing existing 2g small cells for 3g cells won't always bring results"

@danieldotfox: #O2UK really like 'open' femto cells. Interesting!

@lesanto: O2 bid on access to street furniture, street lamps etc, in order to use them to provide wi-fi and small cells

@lesanto: BUT, once O2 had the poles they discovered the councils wanted planning permission for each and every lamppost installation...

@stewartbaines: O2: 400 individual planning applications required to deploy metro wifi in Kensington and Westminster. Ouch!

@lesanto: O2 also had to considerer the form factor of the installations, London lampposts are not suitable for big set upis!

@lesanto: O2's London network is fed both 'over the street' and 'under it' - using a mix of masts, cells and fibre...

@lesanto: O2's mobile network plan for London aims to serve a Gig per Km2

@lesanto: O2 have 12 access points for mobile in Trafalgar Square alone

@lesanto: You lot should see just how complex serving mobile to the streets of London is. Remember this next time you complain about signal

@lesanto: Olympic village buildings are clad in aluminium for heat retention - this also locks out mobile signals!

@lesanto: the result is the Olympic village has become probably the densest installation of small cells anywhere...

@SmallCell_Forum: O2 have deployed 1200 femtos in a in an apartment block for some 'very healthy people' (!) in London for this summer

@lesanto: O2 want to use their Olympic experience to roll out small cells elsewhere - but say the price has to come down!

@joelpagot: @wendyzajack nice pic! #smallcells also come in "green" (low-power mobile devices)




@Ubiquisys: Here's a prototype solar powered small cell. Interesting concept.




@joelpagot: @Ubiquisys Good example for #GreenICT #smallcells big impact: more capacity for less

@SmallCell_Forum: After announcements by O2 and Orange today, is UK first market in world where all operators have publically announced femtocells?

@thinksmallcell: O2 deployed 1Gb/s per square kilometre capacity onstreet 3G/WiFi in London using Small Cells - believe will meet forecast demand

@Lance_Hiley: Telefonica's Rob Joyce forecasts 1Gb/s per km #backhaul requirement for London #smallcells by 2015.

@disruptivedean: @Lance_Hiley Quite astonishing to think that 1sq km use of mobile data in 2015 is only equivalent of a single FTTH broadband cnxn

@markc_reed: “@thinksmallcell: O2 deployed 1Gb/s per square kilometre capacity in London using Small demand #SCWS2012” what about install & bhaul cost?

@lesanto: Manish Singh CTO of Radisys is now on the stand

@Ubiquisys: @radisys: Over the next three years, which sources of disruption will have the greatest impact on mobile operators?

@disruptivedean: Radisys survey at #SCWS2012 shows operators still think "good user experience" = seamless WiFi authentication & handover. Very wrong indeed

@Ubiquisys: You need a portfolio of products to address different segments. Requirements are evolving, so flexibility is a must. @radisys

@thinksmallcell: 46% of operators surveyed said logistics and deployment model were barriers to rapid small cell rollout - Radisys survey

@danieldotfox: #O2UK state that 1Gbit per square kilometer is needed for sufficient outdoor data capacity within 2015 timeframe. Crikey.

@Ubiquisys: NGMN Alliance's Julius Robson is talking about small cell specific backhaul requirements

@lesanto: The relentless growth of data consumption - can we handle it? http://smallcells.posterous.com/the-relentless-growth-of-data-consumption-can via @small_cells

@Ubiquisys: Deployment prerequisites for small cell deployment: unserved demand, suitable site, backhaul connectivity #NGMN

@Ubiquisys: Small cell devices are more visible than macros and need to be small, light, touch safe and tamper proof

@stewartbaines: Wilson Street post from #SCWS2012: Orange or Vodafone taking best approach to femtos? - http://www.wilson-street.com/2012/06/scws2012-femtocells-pile-them-high-and-sell-them-cheap-or-keep-them-for-the-most-valuable-customers/

@lesanto: Somewhat technical this presso... not eminently tweetable see "security of LTE backhauling" white paper by ngmn - http://www.ngmn.org/uploads/media/NGMN_Whitepaper_Backhaul_Security.pdf

@Ubiquisys: Small cell backhaul connections are viewed as untrusted and may need IPsec encryption

@lesanto: "backhaul is a key enabler for small cells, but there is uncertainty around which solutions are suitable"

@Ubiquisys: Backhaul white paper is available at http://www.ngmn.org/fileadmin/user_upload/Downloads/Technical/NGMN_Whitepaper_Small_Cell_Backhaul_Requirements.pdf

@lesanto: The streets of London are paved with small cells #SCWS2012 http://smallcells.posterous.com/the-streets-of-london-are-paved-with-small-ce via @small_cells

@Lance_Hiley: Availability of #smallcells can be relaxed in hotspot deployment scenario says Julius Robson, editor of @ngmn_alliance Whitepaper

@lesanto: since the show started this morning we have seen 5% growth in the industry as two major mobile operators have adopted small cells

@SmallCell_Forum: France & UK first countries globally where all mobile operators have announced femtocells.

@lesanto: majority of South Koreans using LTE networks by 2014

@lesanto: South Korea enjoys one of the highest adoptions of high speed networks in the world

@lesanto: SK telecom launched the world's first LTE + wi-fi femtocell network in 2011

@lesanto: SK telecom is preparing for the PETA byte era - which is next year! 1 PETA = 10 to the power of 15 bytes.

@stewartbaines: @lesanto Key thing about the petabyte era, is SK Telecom will has 1 petabyte PER DAY on their mobile network.

@lesanto: Small cells can provide extended coverage at lower cost

@lesanto: "For interference mitigation in small cell deployment, a central interference management system is being developed"

@Ubiquisys: Nick Karter of @qualcomm will now talk about the convergence of 3G, 4G and wifi

@lesanto: "the growth in data traffic is outstripping the ability to put new spectrum on the market" (say it again)

@lesanto: "there is an increase in operator provided wi-fi"

@lesanto: "wi-fi is already a small cell but without all the features you expect from a mobile network"

@lesanto: "Hotspot 2.0 - converging the wi-fi and cellular networks"

@lesanto: "people use cellular primarily for email and facebook, while they use wi-fi for youtube"

@lesanto: "optimising power consumption is critical when combining so many functions into one box"

@lesanto: "you need a good application processor to manage the network efficiently"

@lesanto: providing mobile data is extremely complex - it's a typical swan swimming scenario, serene above the surface, mad action below it.

@Ubiquisys: Need for RF coordination with coexistence of Wi-Fi and LTE. Optimising power limitation is critical. @qualcomm

@lesanto: "security is obviously very critical to a mobile network"

@lesanto: "Hotspot 2.0 - the mission is to make wi-fi connectivity (of mobile devices) as seamless and easy as cellular"

@danieldotfox: The #Qualcomm approach to multiradio/multi spectrum type access points looks good. Mixed in with Hotspot 2.0. Smart thinking.

@Ubiquisys: Manish Gupta of Symmetricomm: Timing and synchronisation for small cells

@Ubiquisys: Small cells defined: Residential, Enterprise, Metro. What is the distinction?

@Ubiquisys: Panel discussion coming up at #SCWS2012: Backhaul challenges for small cell deployment

@Ubiquisys: Rural environment small cell deployments vary wildly. Any data connection is better than zero in many remote areas

@lesanto: rain can degrade mobile network performance. They call it 'rain fade' - #WhoKnew? see: http://searchmobilecomputing.techtarget.com/definition/rain-fade

@LisaGCisco: Multi-operator white label small cells might be a solution to the complexity and cost of multiple public small cell networks

@Ubiquisys: "GPS is great, but make sure you have a back up" #SCWS2012 panel

Day 1 Summaries:



DAY 2

@Ubiquisys: First speaker this morning : Matthew D Brown, Marketing Product Manager, Femtocell, Optus Australia

@lesanto: Matthew Brown Marketing Product Manager Femtocell, Optus Aus. "delivering femtocells to market isn't just about technical aspects"

@stewartbaines: Optus: coverage is still the massive factor in acquisition and retention in Australia

@small_cells: Matthew is treating us to a case study on marketing femtocells to the challenging Australian mobile market

@small_cells: "we decided to include the additional benefit of unlimited calls in a femtocell tariff"

@LisaGCisco: Optus 3G Home Zone provides a value add with unlimited calling according to Optus Product Manager Matthew Brown

@small_cells: Optus consumer marketing video promises 5 bars of mobile signal and unlimited calls - a dual message

@small_cells: Optus marketing strategy was to lead strongly with coverage message and value proposition of tariff

@SmallCell_Forum: Optus Australia: unlimited femtocell voice calls cheaper than a latte

@small_cells: "we managed to mitigate the negative effect of it seeming like they were paying for coverage, hence the unlimited calls package"

@small_cells: "our initial commercial pilots taught us about the big challenge of integrating the femtocell with a variety of different modems"

@small_cells: "this product needs a seamless deployment, it must just plug and play - the consumer is short of patience with set up"

@stewartbaines: Optus: key to residential femto success...5 bar coverage AND differentiated (free standard national) calling from home

@small_cells: Optus have a lot of useful experience with consumer femtocell deployment, it's well worth learning the lessons they've learned!



@stewartbaines: I never realized my femto should be 1m away from my WiFi. You learn something new everyday!

@small_cells: "customers really enjoy the benefit of the connectivity, they absolutely love it - the challenge is how to price that service"

@small_cells: Great presentation from Matthew, lots of useful practical information from the Optus femtocell experience

@stewartbaines: Optus: next steps is presence-based apps and further differentiated pricing.

@stewartbaines: Optus: we're looking for presence-based apps/services for femtos. Anyone got a case study?

@small_cells: next speaker : Xiaojia Liu, Deputy General, Manager of Technology, China Unicom

@small_cells: "wireless network evolution is ongoing"

@small_cells: "more than 40 launches of the LTE network and 200 more commitments"

@small_cells: "LTE-A requires a 1gbs downlink"

@small_cells: "limited coverage of macro sites will become a very big problem"

@small_cells: Service Development Trends: Phones once used for voice call and SMS - now various uses and services including HD TV.

@Ubiquisys: As smartphone use grows, user habits have changed. There are now billions of 'always-on' customers

@small_cells: "40 - 60% mobile calls taking place indoors" leading to connectivity and capacity issues

@small_cells: "densely populated areas lead to more interference between installed femtocells requiring better interference handling technology"

@small_cells: "two deployment scenarios: Hotspot scenario and rural scenario - both requiring different solutions"

@Ubiquisys: Dense scenario is more suited to #China. Need a flexible, intelligent interfence coordination method #Chinacom

@small_cells: "main objective scenario : coverage (for) holes and hotspots"

@small_cells: "one objective of small cells is to minimise CAPEX and OPEX"

@Ubiquisys: Broadband resource, cost per unit and construction complexity should be taken into account in deployment #Chinacom

@small_cells: "small cells seem more flexible and give more choices for operator deployment"

@small_cells: "small cells bring more: higher capacity, better micro-offload, enhanced user experience"

@small_cells: "with small cells we can do more"

@stewartbaines: Is China Unicom suggesting handover between individual HeNBs?

@MarcianoGilbert: China Unicom: 2 small cells rollout scénario: Hotspot (close, semiopen, open for M2M use) & rural; Wifi + Cellular in tandem.

@Ubiquisys: Operators could provided new types of revenue-generating services in small cell development

@SmallCell_Forum: China Unicom: Small Cell Forum has important role in standardisation, comms, cooperation and IoT testing for small cell evolution

@LisaGCisco: Xiao Han China Unicom underscores key role of Small Cell Forum in increasing industry adoption through standardization and IOT

@MarcianoGilbert: China Unicom 10 provinces for precommercial network in small cells #ALU @SmallCell_Forum @Alcatel_Lucent

@lesanto: *very* detailed presentation from China Unicom - hope the slides are available for careful study later...

@SmallCell_Forum: China Unicom: X2 interface is a key component for managing interference in LTE: welcomes news that SCF is working on X2 interop

@small_cells: Next speaker: Mike Schabel - VP LightRadio, Alcatel-Lucent "Metro Cell : Thinking outside the box"

@small_cells: MS "I'd like to share our experiences with introducing LightRadio"

@small_cells: "there is a lot to extract from spectral efficiency - 1x or 2x capacity improvement"

@small_cells: "operators continue to lobby for more spectrum, including adding wi-fi"

@small_cells: "but we really need to look at spatial efficiency - outdoor metro cells are a part of that efficiency"

@stewartbaines: ALU: spectral efficiency can get 1.5x more capacity. Spatial efficiency can get 10x more capacity

@small_cells: we'll have an expanded number of nodes, as many as tens of thousands - and they could be anywhere

@small_cells: "but the box is probably the smallest part of the picture that needs to be solved"

@small_cells: "we have recognised just how important the beyond the box solution is"

@small_cells: "there's a large number of deployment challenges that need to be solved"

@small_cells: "ecosystem partners are likely to change, the whole value chain is up for grabs again"

@small_cells: "we need to talk about the box, I can't escape talking about the box"

@small_cells: it's important that the box is modular to meet the challenges of multiple deployments

@small_cells: "the box is in the public eye so we focussed on the look of the box"

@small_cells: "everything but the kitchen sink has to go into this box"

@small_cells: "you have to be careful about the design of the box, pay attention to details like heat dissipation"

@thinksmallcell: ALU 70% data traffic offload is the tipping point for commercial viability of a dedicated small cell carrier.

@thinksmallcell: ALU recapping that spatial efficiency (small cells) essential to meet forecast capacity growth of 25x

@stewartbaines: No silver bullet for metrocell backhaul. "I can't keep up" says Schnabel, ALU. Need every possible option

@thinksmallcell: ALU forecast 10x growth in cellsites for metro cells. OPEX more significant than CAPEX

@thinksmallcell: ALU explaining MetroDock - pluggable radio cards for compact metrocell. Is this the "radio blade server" for city lampposts?

@small_cells: "Backhaul : No silver bullet - requires comprehensive options"

@stewartbaines: If you can hang a Christmas light, can you really hang a metrocell?

@small_cells: "Site selection: no longer about RF positioning. Need to balance site availability, power, and backhaul"

@thinksmallcell: ALU claim to have automated design tool balancing RF location, backhaul and power for commercially viable best fit for#metrocells

@Alejandro_Avren: ALUH site acquisition major challenge for metrocell deployment..scramble has already begun

@small_cells: "what's not practical is to find an ideal site with no backhaul, that won't solve the problem"

@small_cells: "installation & commissioning a massive challenge, must design the product to make it easy to install without high-skilled labour"

@small_cells: "we have been going through and learning a tremendous amount of lessons with LightRadio"

@thinksmallcell: ALU saying they fully support X2 interface which would facilitate multivendor #HetNets

@small_cells: Next speaker : Will Franks CTO and co-founder of Ubiquisys

@small_cells: "smart cells is a hot topic in the industry"

@small_cells: "small cells serve 4 locations : Home : Enterprise : Urban : Rural "

@small_cells: "data wasn't the original driving factor it was voice quality and capacity"

@small_cells: "Now we are in the post data revolution era"

@small_cells: "we talk about metro cells on lampposts but 70% of mobile data is consumed indoors"

@stewartbaines: Ubiquisys: enterprises femtos are 1/4 cost of picos and DAS. Good news as most enterprises don't have DAS or picos due to cost

@small_cells: "rural backhaul is very costly, femto based technology with satellite backhaul speeds up rural deployment"

@small_cells: "small cells - a 7.7billion dollar opportunity!"

@small_cells: "one of the great things about metro indoor is there are a lot of sites - the real hotspots are indoor"

@small_cells: "50,000 public access small cells deployed - 200,000 open access femtocells deployed"

@Ubiquisys: Will Franks: Ubiquisys has 50k metro indoor small cells deployed around the world, mostly in Asia

@small_cells: "example Metro indoor hotspots stats: 90% of phones are smartphones : data to voice ratio is 10:1 : 10,000 data session in 24 hrs

@small_cells: "data dominated by chatty smartphone apps - signalling procedures per UE in busy hour - up to 50 users"

@Ubiquisys: Will Franks: traffic is dominated by data/signalling. Data is dominated by chatty smartphone apps. Users are highly transient.

@small_cells: "transient users - ave 7 mins in cell - different profile to wi-fi users who tend to dwell longer"

@small_cells: "cafe hotspot : people get their coffee and immediately fire up their browser or social network"

@small_cells: 'Map' of cafe hotspot cell usage shows data data data - lots of chatter but very little talking!

@Ubiquisys: Will Franks: small cells cover specific areas where traffic is heavily correlated

@small_cells: "challenges are not data use but cell overload, camp-on attempts, data vs signalling"

@small_cells: "our aim is zero touch deployment, making it as simple and as hands off as possible"

@Ubiquisys: Will Franks: The challenge for public access hotspots is no longer about headline data rates or call capacity

@small_cells: "hotspot robustness : these cells are 100% utilised in busy times and have to be able to manage themselves"

@small_cells: "smart cells are about extending the cloud to the edge of the network"

@small_cells: "why smart cells : it's about user experience"

@small_cells: "smart cells provide high-speed, short-range signal with low contention"

@small_cells: "Ubiquisys teamed up with Intel to put a comms-tuned compute platform in a small cell to make a smart cell"

@small_cells: "there are no standards issues with smart cells at all"

@Ubiquisys: Will Franks: Smart cells = small cell + hi spec server + clever apps

@small_cells: "proactive and predictive cache used to cut backhaul traffic - improves user experience"

@theshipster: Ubiquisys Will Franks: In Japan, small cells, with satellite backhaul, take rural coverage deployment time from 1 yr to 1 day

@small_cells: "more smart cell applications: cellular - wi-fi policy management : video / ad server : CDN clients : "

@Ubiquisys: With proactive smart cell caching, first play of a video plays from cloud, subsequent of same file play from cache

@small_cells: "small cells come in many flavours : home femtocells, enterprise small cells, metro indoor, metro outdoor and rural"

@Ubiquisys: Smart cells: optimise end UX, optimise backhaul performance, offer new edge cloud apps for service products

@MarcianoGilbert: Colt on stage promoting new business model managed femto services or How MVNO can distribute femto as a service

@Ubiquisys: Femto as a Service (FaaS) from a fixed service provider can accelerate deployment in buildings. Len Schuch of Colt

@small_cells: "enterprises have to embrace BYOD and Colt certainly are"

@Ubiquisys: FaaS opens the door for more mobile operators to deploy small cells

@small_cells: "demand and supply - don't believe the data crunch is a myth"

@small_cells: "near-time data growth has exceeded the value of last years Cisco VNI analysis"

@small_cells: "it's not just background data and email it is about delivering QoS"

@small_cells: "by 2016, 70% of data will be video"

@small_cells: "it's not 75kbps per sub spread over 6h it's 10Mbps per sub in 30s bursts"

@small_cells: "you can deliver high quality with low throughput but as soon as throughput increases you loose QoS"

@small_cells: "it's generally the backhaul which is the limit to throughout..."

@MarcianoGilbert: New thermodynamic demo on stage . After PV=NRT you have macro + small cell * hetnet = high QoS*high throughput

@Ubiquisys: Here's a slide visualising that smart cell proactive caching capability




@thinksmallcell: ip.access say X.2 interface isn't sufficient for purpose today. It needs to be for true multi vendor #HetNets

@small_cells: Speaker now is Hiroyuki Hosono Radio Access Network Development Dept at NTT DoCoMo

@small_cells: NTT DoCoMo already rolling out LTE products

@small_cells: by last March 30% Japanese population could access LTE, that'll be up to 70% by end of 2012!

@Alejandro_Avren: By end of 2012, NTT will cover 70% of population with LTE coverage

@small_cells: Japan will have almost total LTE coverage by end 2014

@small_cells: NTT DeCoMo have already signed up 2.2 million LTE subscribers and expect to hit 10m by end of 1q 2013.

@small_cells: "NTT DeCoMo see two main advantages for LTE femtocells : expanded coverage and traffic offload"

@small_cells: "approx 12 x data growth expected between 2011 & 2015 - we need to satisfy that future traffic demand"

@small_cells: "we will develop femtocell networks to help meet future data demand" NTT DeCoMo

@thinksmallcell: NTT DoCoMo forecast 12x mobile data traffic growth between 2011-2015. LTE #femtocells essential

@small_cells: "we may limit data speed of heavy users" NTT DeCoMo

@Alejandro_Avren: BH Telecom: more smart phones sold last year than PCs

@small_cells: "in 2011 more smartphones than PCs were sold"

@Ubiquisys: The number of smartphones sold exceeded PCs last year. In a few years the no of smartphones will dwarf PCs. #BHTelecom

@Ubiquisys: We are watching Adnan Hatalasevic talking about business solutions and synergy design for small cells and Wi-Fi

@small_cells: Next speaker Steve Price, Gen Manager, Comms and Infrastructure division, Intel

@small_cells: "I'd like to talk about building intelligence into the overall network"

@small_cells: watching a 'what happens in one internet minute video' ....http://techbullets.blogspot.co.uk/2012/06/internet-in-one-minute-intel.html



@small_cells: "mix of social networking and mobile users has changed the way we work and socialise. Now think ahead to 2015"

@stewartbaines: Here is that Intel internet minute infographic:



@small_cells: "what kind of network do we need for 2015 when there will be twice as many connected mobile devices as today?

@small_cells: "if done correctly you can increase revenue and decrease operating expenses"

@small_cells: "small cell base stations redefine HetNet economics"

@small_cells: "what is a smart cell? All small cells have some intelligence but now we are taking Intel's datacentre skills to the operator"

@small_cells: "the consumer with a mobile intelligent device can upload as much as he downloads, networks have to be symmetrical"

@small_cells: "we believe smart cells need massive storage abilities and high performance CPUs"

@small_cells: "smart small cells allow you to take advantage of value added services and offer better user experience"

@small_cells: "putting intelligence in a device increases cost, so we wanted to determine the economic benefits of smart small cells"

@small_cells: "we found there was a reduction in network operating costs of 22% when using smart cells, mainly from backhaul savings"

@Ubiquisys: Smart cells are more expensive than standard small cells, but fewer are needed to accomplish the same results @intel

@small_cells: "Summary business case findings: Improvements are seen in OpEx savings, specifically, in network OpEx"

@small_cells: "smart cells help with operator bottom line, beyond capacity and coverage"

@small_cells: "local caching and filtering eliminates peak hours overload"

@Ubiquisys: Conclusion: Smart Cells help with operator bottom line, beyond capacity and coverage @intel

@small_cells: we are in the midsts of a very exciting time in mobile comms - and the smart small cell is a key aspect of this revolution

@small_cells: "even Moore's law can't keep up with where the networks are going"

@small_cells: "silicon alone can't solve the thirst for bandwidth"

@Ubiquisys: Doug Pulley of @mindspeed is now talking about small cell architecture for RAN evolution

@small_cells: Next speaker : Doug Pulley - CTO Wireless, Wireless Business Unit - MindSpeed

@small_cells: "Small Cell Networks - Taking the strain - how many small cells to cover London - or the world!"

@small_cells: "Cell Traffic Dimensioning - what does it really take to overwhelm a cell?"

@small_cells: "internet video will be driving much of future mobile data traffic"

@small_cells: "is there a busy hour? most reports show traffic usage is fairly constant from 8-8"

@small_cells: "people are consuming data via multiple devices, my kids use three simultaneously - I don't know how they do it!"

@small_cells: Mindspeed's study suggests a London wide small cell network with over 71,000 base stations --- and 19 million needed worldwide!

@thinksmallcell: Mindspeed research study estimates global need for 19,059,612 small cells globally to meet Cisco VNI data traffic forecast

@small_cells: "all this detail helps specify and build the best small cell SoC solutions"

@small_cells: Next speaker is Viraj Abhayawardhana Specialist Strategy at BT talking about backhaul...

@small_cells: "BT provides fixed backhaul to all major mobile operators in the UK"

@small_cells: "BT Openzone has the biggest WiFi footprint in the UK. 16 wireless cities in the UK. 4 million UK hotspots"

@small_cells: "BT investing £2.5b extending fibre infrastructure close to home"

@small_cells: "Small Cells: How to identify sites, how to acquire sites, how to manage sites cost effectively, how to manage teams & field force

@small_cells: "street lamps came out top for small cell location"

@small_cells: "to reduce backhaul we must reuse as much capability as possible so we must try to leverage the fibre roll out"

@small_cells: "backhaul isn't just about access it's all about integrating, building an end to end OSS is a significant cost"

@SmallCell_Forum: BT: "Comedy and small cells: it's all about the timing"

@small_cells: "small cells have challenges in sites, backhaul and power - and costs have to come down"

@small_cells: "to solve backhaul problems, end to end service delivery and maintenance should be considered"

@Ubiquisys: Now in the conference room: OMA and @SmallCell_Forum cooperation - new enablers for new enhanced apps, from @telecomitaliaTw

@Ubiquisys: Digital use case at home: The Home wakes up and is aware of owners' presence, and gets adaptive to them! @telecomitaliaTw

@Ubiquisys: Shopping mall use case: Device tells you "Your favourite green ties today discounted" @telecomitaliaTw

@Ubiquisys: Now up at #SCWS2012, Yoav Volloch from @Broadcom: 3G/4G/5G multi RAT small cells

@Ubiquisys: Licensed vs Unlicensed: LTE enjoys better frequency bands, while Wi-Fi supports carrier aggregation @broadcom

@Ubiquisys: Broadcom believes a small cell is a multi RAT access point that manages the entire spectrum over a given cell range

@Ubiquisys: The business model for open access femtocells can be the same as ‘selling power to the grid’ @Broadcom

@Ubiquisys: Small cell solutions were born due to the practical need to increase 3G license spectrum capacity @broadcom

@Ubiquisys: Small cells are not low cost Macro cells; they have their own personality@Broadcom

@Ubiquisys: The final session of the day - a panel on new technologies reshaping the business case for small cells

@Ubiquisys: We get very hung up on presence + location aspect, but a valuable app is getting flat-rated local calls in coverage area

@stewartbaines: should enterprises get free at-desk mobile calls if they have a femto? And what of PBX integration?

@stewartbaines: Operators should think of the commercial value of presence & location from small cells

@Ubiquisys: @SmallCell_Forum asked consumers 'what apps would you pay for?’ Many were excited about having a home phone network

@Ubiquisys: #SCWS2012 in pictures http://ubiquisys.com/small-cells-blog/small-cells-world-summit-2012-in-pictures/ - Is that you I see?

Day 2 summary blogs



Small Cell Forum 2012 Award Winners


Day 3


@small_cells: First Speaker - Andy Sutton, Principal Network Engineer at Everything, Everywhere.

@small_cells: "small cells could be interpreted as anything non-macrocell"

@small_cells: "two different scenarios : capacity or coverage?"

@small_cells: "Femto provides in-building coverage for voice services"

@small_cells: "Public Access external small cells for capacity"

@small_cells: "we anticipate supporting voice as well as data on our public access small and pico cells"

@small_cells: "we're likely to see an improvement in spectral efficiency"

@small_cells: "if we deploy a 3g solution today we want to see an evolution path to LTE"

@small_cells: "on average we look at small cells costing 1/10th the cost of a macro"

@small_cells: "key performance indicators should ideally be the same as the macro network"

@small_cells: "you could open a new area of coverage and this is a different scenario to simply adding capacity to an existing hotspot"

@small_cells: "small cells are a game changer in terms of how we architect networks"

@small_cells: "both LoS and NLoS have a part to play in small cell backhaul"

@small_cells: "backhaul could be fully integrated with macro network or completely decoupled with an overlay (underlay) solution"

@small_cells: "we will see small cells rolled out in volume to support mobile network evolution"

@small_cells: "small cell sites must have a very low TCO in the region of 10% of that associated with macro sites"

@small_cells: "several backhaul solutions will be required to meet all likely deployment scenarios"

@small_cells: "reducing latency could be a significant battleground in the LTE market"

@small_cells: Yoshihito Shimazaki Deputy Division Head, from Softbank

@small_cells: Yoshito will talk to us about the status of LTE small cells

@small_cells: "in Japan data usage is crazy"

@thinksmallcell: everything everywhere say 3G metro cells will gain real traction during 2013. Expects dual carrier 3G before LTE

@small_cells: "What is the key to mobile market up-growth -- Market share : ARPU improvement : Market Value Improvement "

@small_cells: "four competition elements to win: 1 Network 2 service 3 charge rate 4 customer service "

@small_cells: "number of Softbank base stations: 190,000 -- excluding home femtocells"

@small_cells: "by May 2012 Softbank had deployed 121,850 home femtocells, the figure continues to rise"

@small_cells: very dense deployment of small cells in metropolitan Tokyo

@small_cells: "outdoor cell sites cannot cover all indoor areas in downtown Tokyo"

@small_cells: "femto to macro handover is very important to indoor"

@thinksmallcell: SoftBank almost completed trial of handover from inbuilding Femto to macrocell. Improved abnormal call drop rate by 3.5%

@small_cells: "we got the number one tv commercial by deploying the white dog"

@small_cells: "smartphone data traffic is 10X more than a feature phone"

@small_cells: "mobile network traffic will grow 12X from FY2010 to FY2016"

@small_cells: "Tokyo data use is very crazy, I can't believe it"

@stewartbaines: SoftBank: mobile distribution in Japan. Check out the Tokyo spike





@small_cells: "we are deploying a multi-layer cell architecture"

@small_cells: "we need a very strong co-operative interface coordination"

@small_cells: current speaker : Jang Ahn Kwon Chief Marketing Officer & VP, Contela Inc.

@thinksmallcell: korea has >50% smartphones, 7M LTE subs today, 14M by end 2012. Competition is fierce

@thinksmallcell: LTE congestion in Korea came sooner than expected

@small_cells: "home small cell needs to be dual mode to support 3G and LTE for legacy handsets"

@thinksmallcell: Korea residential femtocells need to be dual mode 3G and LTE say Contela. Not everyone in a family will have LTE handsets

@thinksmallcell: Contela achieved 60Mbps downlink and 25Mbps uplink performance on their LTE femtocell field trials

@small_cells: Current speaker : Jie Zhang - Ranplan "small cell deployment in heterogeneous networks"

@small_cells: Fascinating coverage mapping slides from Jie Zhang - graphically illustrating coverage benefits of small cell deployment

@small_cells: "Intelligent Cell Optimisation (ICO) shows where small cells should be located"

@disruptivedean: After listening to comments at #SCWS2012 , I think that some forms of carrier WiFi will make sense outdoors. But indoor proposition trickier

@small_cells: it seems European homes are better at blocking mobile signals that US homes...

@small_cells: "providing better coverage throughout the entire home gets the whole family on the operator's plan"

@small_cells: "does it work? does it really offer long lasting value to the subscriber and operator"

@small_cells: current speaker is "Michiel Lotter, VP of Engineering Nextivity Inc.

@small_cells: "95% of customers who installed cel-fi remained with operator (as opposed to churning away)"

@small_cells: "50% of mobile users worldwide don't have access to broadband, meaning femtos are not an option"

@small_cells: Next speaker: Andy Germano Vice Chairman Small cell Forum

@small_cells: "why small cell service? 5 bar indoor coverage"

@small_cells: "small cells allow for application sweetspot"

@small_cells: "small cells can help deliver the intelligent home"

@small_cells: "small cell networks can help deliver location based services"

@small_cells: "small cells enable shopping 2.0"

@small_cells: "8 different demos of small cell enabled apps going on at recent small cell forum"

@small_cells: "consumers want small cell services and are willing to pay"

@Alejandro_Avren: Sunrise Switzerland now on the main stage, presenting their project status on their femtocell deployment

@small_cells: "Sunrise is under pressure to constantly add capacity, enhance the user experience, & keep a lid on total cost of ownership"

@Alejandro_Avren: Sunrise: 16 time data usage increase expected by 2017, doubling every year until 2014!!

@small_cells: "avoid problems- avoid low price users eating up too much capacity : maximise utilisation of spectrum : deploy smart wi-fi offload

@small_cells: "the congested 3g cell rate is increasing whereas the footprint of the congested cells remains the same"

@small_cells: "demanding environmental factors in Switzerland will favour the use of small cells"

@small_cells: "Sunrise will continue to use the femto and is ready for wide-spread deployment"

@small_cells: "main purpose: to deliver cost efficient object special coverage to compliment macro base station portfolio"

@small_cells: Sunrise will "continue to use femto as a retention and business enabler tool"

@small_cells: "fair use policies reduce levels of data use growth temporarily but they cannot reverse the skyrocketing demand for mobile data"

@small_cells: "small cells vendors need to support SON for HetNet as well as an effective small cells management"

@small_cells: next speaker: Jean-Christophe Nanan, RF systems engineer at Freescale - small cells call for scaleable architecture

@small_cells: Final speaker is Joseph Byre Analyst at the Linley Group

@small_cells: "Mobile bandwidth is increasing"

@small_cells: UK is depressingly blue on a map showing LTE enabled areas in red :0(

@small_cells: "funding for bandwidth increases and alternatives is decreasing, pressuring OEMs and Chip Cos."

@small_cells: "ARPU rising only 3%"

@small_cells: "Base station costs falling from $40K"

@small_cells: "Moore's Law enables cost reduction but heats up competition among chip companies"

@small_cells: "to defend or capture share, chip companies are rushing in to supply base station processors"

@small_cells: "the opportunity for system vendors is an opportunity for chip factors"

@small_cells: "markets tend to ramp later than expected but ramps tend to be bigger than forecast"

@small_cells: "market drivers for femtocells are problematical"

@small_cells: "shipment growth has only just begun - enough data to define a trend?"

@small_cells: "vague plans by major operators to deploy"

@small_cells: "causes for concern - technology dynamics: ..."

@thinksmallcell: NEC's outdoor metrocell. Looks pretty solid and durable to me. Believed to be Ubiquisys technology inside.



Day 3 Roundups



FINAL Roundups


Thanks to all those who tweeted and made this article possible. Credit to the following people

@lesanto = Glenn Le Santo
@stewartbaines = Stewart Baines
@thinksmallcell = David Chambers
@Ubiquisys = Keith Day
@LisaGCisco = Lisa Garza
@bmbarnowski = Barney Barnowski
@Alejandro_Avren = Alejandro Piñero
@MarkBLHenry = Mark Henry
@disruptivedean = Dean Bubley
@SmallCell_Forum = Small Cell Forum
@danieldotfox = Daniel Fox
@vodafoneNZ = Vodafone New Zealand
@dmavrakis = Dimitris Mavrakis
@small_cells = Small Cells
@Lance_Hiley = Lance Hiley
@joelpagot = Joel Pagot
@markc_reed = Mark Reed
@MarcianoGilbert = Gilbert Marciano
@theshipster = Steve Shipley


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