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Showing posts with label Conferences and Events. Show all posts
Showing posts with label Conferences and Events. Show all posts

Saturday, 8 March 2014

Mobile World Congress 2014 (#MWC14) Roundups

The worlds largest technology event came to a conclusion just over a week back so here is a summary of reports and roundups written by different people. Feel free to add yours in the comments:

The best way is to start with this Video of different gadgets by Orange (excuse their adverts)


Maravedis-Rethink has an excellent summary from Network point of view:

Now all the carriers have the same devices, and the all-you-can-eat offers are largely gone. This has shifted the competitive race to innovation in pricing and bundling; to services, even over-the-top ones; but most importantly to the one area which is still unique to MNOs, their licensed-spectrum networks. The race to implement more and more advanced features from the 3GPP menu is not just a carrier game of ‘mine’s bigger than yours’, but a truly necessary attempt, at least in the developed mobile markets, to differentiate themselves with the most advanced network capacity and capabilities.

In the network, new battle lines are being drawn, and the players are placing big bets on unproven technologies and new architectures. This is taking place on two levels – the well-understood but highly complex advances in RAN platforms, from the LTE-Advanced standards to small cells to Cloud-RAN; and the shift towards software-driven, if not yet fully software-defined networking, and towards virtualization.

Complete summary here.

Chetan Sharma has written a brilliant summary and covers all different topics:

All the progress that has been on the mobile economy has been on the back of trillions of dollars of investment over the last couple of decades. With declining margins, how long do operators continue to invest and at what pace? What’s the margin profile they are willing to live with? What’s the role of government in building out the infrastructure when high-speed mobile networks are concerned? Japan, Korea, Israel have all based their competitiveness on connected broadband world. Can others follow? The impact of Whatsapp launching voice services and Netflix/Comcast deal were hotly debated in the hallways. It is one thing to put out national broadband plans and it is entirely another reality to have an execution path to deliver on the plan. The broadband investment has much far reaching implications than most people and governments realize.

Complete article here.

Ian Poole from Radio Electronics has done a good job too with the summary and video:

There was a considerable amount of talk about connected cities, connected cars and the like. Many exhibitors at Mobile World Congress were showing their ideas and developments. There is a huge amount of work going on in these areas and this is reflected in the work and products being exhibited.
Said Mike Short, VP Telefonica: “Mobile World Congress is more of a data World Congress . . . . . . . there are many software companies, many special network companies, other companies providing billing and customer care and there are solutions for the whole digital economy”
Talking to a variety of people across Mobile World Congress, it was obvious there is a large amount of work going on.
In terms of the auto mobile industry there is a lot of interest and development. While it is not expected all of the work will come to fruition in the short term, such as mesh networked cars where the networking elements can be used for crash avoidance, etc, there are other areas for in car connectivity that will be implemented in the shorter term.
Qualcomm were even demonstrating an electric racing car that not only used wireless communications technology, but also utilised wireless charging. In this way they were incorporating two developing technologies.
In addition to this, technologies like Weightless – the white space data cellular system have moved forwards. The original aim was for the technology to be used in the television white space to provide low powered data communications particularly for remote sensors and actuators. For these applications, cellular technology is too heavy. Dealing with complex waveforms like OFDM requires considerable processing and this is not conducive to long battery life – some devices ae expected to operate for months or even years from the same battery.
Neul has been working to develop the ideas further. They are now looking at using unlicensed spectrum instead of the TV white space. They have found that in urban areas, little white space often exists. Unfortunately it is often in urban environments where population levels are highest and there will be the greatest need for low power data communications.
In another move announced at Mobile World Congress Orange announced that it is helping start up companies who are developing products for the IoT. Orange states that it wants to help them accelerate development and assist with marketing. This move is possibly a long term move, because it can only be approached with 4G, but with 5G anticipated to be more capable of meeting IoT requirements it should be able to enter the market more strongly when it arrives. It is anticipated that the main areas where IoT will start to grow initially are personal services, healthcare, the connected home and smart cities.
Complete report and the video here.

Finally, an excellent summary on Small Cells and related by ThinkSmallCell:

The official Small Cell conference track was pretty tame - Vodafone have deployed 300K Small Cells in total, KT (Korea Telecom) and Radisys spoke of 18K LTE deployed in mostly indoor metropolitan areas. Vodafone said they continue to drive vendors to deliver multi-technology small cell and backhaul products with high operational efficiency and look for added value to help the business case. By contrast, the Small Cell Forum booth hosted extensive and popular presentations and is perhaps outgrowing its booth format.
A key network equipment vendor theme was SDN (Software Defined Network) and NFV (Network Function Virtualisation). We can expect next year to see this evolving to orchestration - better methods of managing and manipulating these virtualised software components, but in the short term it means slightly less or cheaper hardware. Frankly, I was more impressed to see Huawei now supporting any of 2G, 3G or LTE (FDD&TDD) on the same physical macrocell radio hardware modules - true software definable radio. We are beginning to see that capability for Small Cells too, but it's not quite as mature yet.
Most of the Small Cell activity is around 3G indoor (Enterprise) and LTE outdoor (Urban), with 3G still important indoors (for voice) and LTE HetNets seen as the longer term solution for capacity. At least four DAS vendors announced lower cost, simpler products intended to address larger buildings and stadia - highlighting the growing demand for in-building cellular solutions. Many new LTE Small Cell vendors are appearing on the scene. Residential femtocells still have a place in the market especially where integrated into a broadband modem or set-top box, driven by a different business case than before. There were some signs that the radical approach of Free France, who are shipping many 10Ks of femtocells a month, may be emulated by others.

Complete report here.

Ronald Gruia from Frost&Sullivan has created a summary presentation on Slideshare that is embedded below:



Other Summaries worth reading:


There was also a Carrier Wi-Fi Summit going on in parallel to the main MWC. A summary of that is available on the WBA website here: Day 1, Day 2, Day 3 and Day 4.

SKTelecom2

Claus Hetting has also added an excellent summary of the Carrier Wi-Fi Summit on his blog here.

Thursday, 16 January 2014

3GPP Rel-12 and Future Security Work


Here is the 3GPP presentation from the 9th ETSI Security workshop. Quite a few bits on IMS and IMS Services and also good to see new Authentication algorithm TUAK as an alternative to the widely used Milenage algorithm.



Wednesday, 27 November 2013

ETSI Summit on Future Mobile and Standards for 5G



Edited from the original in 3GPP News:

The ETSI Future Mobile Summit has heard how the mobile internet will evolve over the next ten to fifteen years, and how 3GPP systems will ensure future stability as the network copes with an explosive growth in complexity and usage.


With 3GPP providing the evolutionary framework for mobility, via its Releases of new functionality and features, the more radical thinking, at the Summit, came in the form of Research projects and some future focused industry initiatives, such as the WWRF, the METIS Project and the DVB Project.

In his keynote address, Mario Campolargo - of the European Commission - introduced a new initiative on research & innovation that will provide momentum to funded work on research. The 5G Public Private Partnership is being launched as a blueprint for the deployment of 5G, in the years after 2020. 



In summing up the Summit’s main themes, the ETSI CTO, Adrian Scrase identified some certainties; “...traffic will continue to increase, connected devices will increase dramatically over time, new device types will significantly contribute to that increase (e.g., probes, sensors, meters, machines etc) and new sectors will bring new priorities (e.g, critical infrastructures).”

On the concept of 5G, Mr. Scrase reported that ultra-reliable 5G networks should, among other things, enable the tactile internet, the perception of infinite capacity and bring in augmented reality.



Download the presentations:
5G, the way forward!
Mario Campolargo, Director, Net Futures, DG Connect, European Commission
A new initiative 5GPPP, to accelerate and structure research & innovation."...Industry to co-create the "vision" and build global convergence by end 2015.
Who needs 5G?
Hans D. Schotten, University of Kaiserslautern
Long Term Evolution of LTE (linear evolution) or Something new (5G)?
Why 5G?
Rahim Tafazolli, Director of CCSR and 5GIC, The university of Surrey
Perceived infinite capacity, a new communication paradigm for 5G and Beyond
The 5G mobile and wireless communications system 
Afif Osseiran, Project Coordinator of METIS
Explanation of 5G scenarios (selected) and examples of 5G technology components
Next generation wireless for a cognitive & energy-efficient future
Nigel Jefferies, Wireless World Research Forum Chairman
"New technology challenges: huge number of nodes, latency , energy efficiency, backhaul and over the air signaling design...May require a whole new approach to: physical layer, air interface and spectrum usage, resources management & optimization..."
 3GPP RAN has started a new innovation cycle which will be shaping next generation cellular systems
Spectrum for 5G, a big deal?
Jens Zander, KTH, Royal Institute of Technology  
 A World Divided - The coverage world versus the capacity world
Opportunities for TV services over future mobile networks
Nick Wells, Chairman Technical Module, DVB
 Can broadcasters and mobile industry cooperate to define a new worldwide standard that will benefit both broadcasters and mobile industry?
3GPP core network & services evolution
Atle Monrad, 3GPP CT Chairman
Architecture evolution, More new nodes, CS-domain removal?, new ways of design of networks?
The impact of NFV on future mobile
Uwe Janssen, Deutsche Telekom, lead delegate to Network Functions Virtualisation ISG
 The challenge for Operators, Suppliers and Standards Bodies
The tactile internet - Driving 5G
Gerhard Fettweis, Technical University of Dresden
 3D Chip-Stacks & High-Rate Inter-Chip Communications, Monitoring / Sensing, Tactile internet - Latency Goals
Summit conclusions
Adrian Scrase, ETSI CTO, Head of 3GPP MCC
 Includes the 'Standardization Challenges' raised by the Summit.

Thursday, 21 November 2013

Friday, 11 October 2013

3GPP Rel-12 SON Status


Considering how popular the Release-11 SON post have been, here is Rel-12 status that was presented in the SON Conference in October 2013. Complete presentation embedded below:



You may also be interested in reading a comprehensive report prepared by David Chambers here.

Sunday, 25 August 2013

Centralized SON


I was going through the presentation by SKT that I blogged about here and came across this slide above. SKT is clearly promoting the benefits of their C-SON (centralized SON) here.


The old 4G Americas whitepaper (here) explained the differences between the three approaches; Centralized (C-SON), Distributed (D-SON) and Hybrid (H-SON). An extract from that paper here:

In a centralized architecture, SON algorithms for one or more use cases reside on the Element Management System (EMS) or a separate SON server that manages the eNB's. The output of the SON algorithms namely, the values of specific parameters, are then passed to the eNB's either on a periodic basis or when needed. A centralized approach allows for more manageable implementation of the SON algorithms. It allows for use case interactions between SON algorithms to be considered before modifying SON parameters. However, active updates to the use case parameters are delayed since KPIs and UE measurement information must be forwarded to a centralized location for processing. Filtered and condensed information are passed from the eNB to the centralized SON server to preserve the scalability of the solution in terms of the volume of information transported. Less information is available at the SON server compared to that which would be available at the eNB. Higher latency due to the time taken to collect UE information restricts the applicability of a purely centralized SON architecture to those algorithms that require slower response time. Furthermore, since the centralized SON server presents a single point of failure, an outage in the centralized server or backhaul could result in stale and outdated parameters being used at the eNB due to likely less frequent updates of SON parameters at the eNB compared to that is possible in a distributed solution.

In a distributed approach, SON algorithms reside within the eNB’s, thus allowing autonomous decision making at the eNB's based on UE measurements received on the eNB's and additional information from other eNB's being received via the X2 interface. A distributed architecture allows for ease of deployment in multi-vendor networks and optimization on faster time scales. Optimization could be done for different times of the day. However, due to the inability to ensure standard and identical implementation of algorithms in a multi-vendor network, careful monitoring of KPIs is needed to minimize potential network instabilities and ensure overall optimal operation.

In practical deployments, these architecture alternatives are not mutually exclusive and could coexist for different purposes, as is realized in a hybrid SON approach. In a hybrid approach, part of a given SON optimization algorithm are executed in the NMS while another part of the same SON algorithm could be executed in the eNB. For example, the values of the initial parameters could be done in a centralized server and updates and refinement to those parameters in response to the actual UE measurements could be done on the eNB's. Each implementation has its own advantages and disadvantages. The choice of centralized, distributed or hybrid architecture needs to be decided on a use-case by use case basis depending on the information availability, processing and speed of response requirements of that use case. In the case of a hybrid or centralized solution, a practical deployment would require specific partnership between the infrastructure vendor, the operator and possibly a third party tool company. Operators can choose the most suitable approach depending upon the current infrastructure deployment.

Finally, Celcite CMO recently recently gave an interview on this topic on Thinksmallcell here. An extract below:

SON software tunes and optimises mobile network performance by setting configuration parameters in cellsites (both large and small), such as the maximum RF power levels, neighbour lists and frequency allocation. In some cases, even the antenna tilt angles are updated to adjust the coverage of individual cells.

Centralised SON (C-SON) software co-ordinates all the small and macrocells, across multiple radio technologies and multiple vendors in a geographic region - autonomously updating parameters via closed loop algorithms. Changes can be as frequent as every 15 minutes– this is partly limited by the bottlenecks of how rapidly measurement data is reported by RAN equipment and also the capacity to handle large numbers of parameter changes. Different RAN vendor equipment is driven from the same SON software. A variety of data feeds from the live network are continuously monitored and used to update system performance, allowing it to adapt automatically to changes throughout the day including outages, population movement and changes in services being used.

Distributed SON (D-SON) software is autonomous within each small cell (or macrocell) determining for itself the RF power level, neighbour lists etc. based on signals it can detect itself (RF sniffing) or by communicating directly with other small cells.

LTE has many SON features already designed in from the outset, with the X.2 interface specifically used to co-ordinate between small and macrocell layers whereas 3G lacks SON standards and requires proprietary solutions.
C-SON software is available from a relatively small number of mostly independent software vendors, while D-SON is built-in to each small cell or macro node provided by the vendor. Both C-SON and D-SON will be needed if network operators are to roll out substantial numbers of small cells quickly and efficiently, especially when more tightly integrated into the network with residential femtocells.

Celcite is one of the handful of C-SON software solution vendors. Founded some 10 years ago, it has grown organically by 35% annually to 450 employees. With major customers in both North and South America, the company is expanding from 3G UMTS SON technology and is actively running trials with LTE C-SON.

Quite a few companies are claiming to be in the SON space, but Celcite would argue that there are perhaps only half a dozen with the capabilities for credible C-SON solutions today. Few companies can point to live deployments. As with most software systems, 90% of the issues arise when something goes wrong and it's those "corner cases" which take time to learn about and deal with from real-world deployment experience.

A major concern is termed "Runaway SON" where the system goes out of control and causes tremendous negative impact on the network. It's important to understand when to trigger SON command and when not to. This ability to orchestrate and issue configuration commands is critical for a safe, secure and effective solution.

Let me know your opinions via comments below.

Friday, 23 August 2013

How Cyber-Attacks Can Impact M2M Infrastructure


An Interesting presentation from Deutsche Telekom in the Network Security Conference which highlights some of the issues faced by the M2M infrastructure. With 500 Billion devices being predicted, security will have to be stepped up for the M2M infrastructures to work as expected. Complete presentation embedded below:


Friday, 7 June 2013

3GPP Public Safety focus in Rel-12


Public Safety is still a hot topic in the standards discussion and on this blog as well. Two recent posts containing presentations have been viewed and downloaded like hotcakes. See here and here.

3GPP presented on this topic in the Critical Communications World that took place last month. The following is from the 3GPP press release:

The ’Critical Communications World’ conference, held recently in Paris, has focused largely on the case for LTE standardized equipment to bring broadband access to professional users, by meeting their high demands for reliability and resilience.
Balazs Bertenyi, the 3GPP SA Chair, reported on the latest status of the first 3GPP features for public safety, in particular those covering Proximity services (Direct mode) and Group call. He spoke of the need to strike a balance between more or less customisation, to make use of commercial products while meeting the specific requirements for Public Protection and Disaster Relief (PPDR).
To ensure that these needs are met, Balazs Bertenyi called for the wholehearted participation of the critical communications community in 3GPP groups, by sending the right people to address the technical questions and obstacles that arise during the creation of work items.

A presentation and video from that event is embedded below:




For more details see here.

Sunday, 2 June 2013

Everything you wanted to know on Cloud Encryption

Cloud has been in the news recently for not the right reasons. The main worry with cloud is not just where your data is located and who can have access to it but also if some rogue person or institution gets access what they will do with your data. Then there is also an issue of which third party programs are allowed to access your data and they may not be as strict in complying with the security requiremenys as the original cloud platform.

I like Dropbox (even though I am still a free user) but it is used as an example in many case studies for security related to cloud. A quick search on Google and some useful links summarising the issues with Dropbox security here, here and here.

A user on slideshare recently uploaded many presentations from the Cloud Asia 2013 in Singapore here. One of the presentations that I really liked is embedded below.

The two main things from the presentation that I really want to highlight is the Worldwide compliance which can be a bit of an issue once you want to offer your service universally and the other is the different level of encryption that is required to keep the data secure. Pictures of both as follows:



Enjoy the presentation:



Sunday, 12 May 2013

Around the World with Mobile Global Insights - via @TomiAhonen

Next month we will reach the milestone where the number of active Mobile devices is equal to the number of people in the world. There are many people with more than one active mobile device and there are others who have no devices so the number of active devices will still keep rising for some time to come.

Embedded below is a presentation by Tomi Ahonen in MMAF 2013, you can see all the presentations from the event on Slideshare here.



Sunday, 5 May 2013

Thursday, 14 March 2013

What is WebRTC and where does it fit with LTE and IMS

This simple video from MWC should give an idea on what WebRTC is and can do:


So what exactly WebRTC is in technical terms. Here is a recent presentation from WebRTC Conference and Expo



And here is another presentation that explains where it fits in with the LTE Architecture.



Dean Bubley from Disruptive Analysis has writted extensively on this topic and his recent post "Is the telephony "threat" from VoIP & WebRTC about competition or contextualisation?" is an interesting read.

Iain Sharp from Netovate recently pointed out that 3GPP have 'nearly' approved a work item for WebRTC access to IMS.

It would be interesting to see how operators will view WebRTC. As an opportunity or as a threat. Please feel free to air your opinions via comments.

Sunday, 13 January 2013

Videos from the CES 2013





Gorilla glass (above) is made by a company called Corning that is much more well known for its futuristic video, see here.











Finally, this Sony Xperia Z has got over 2 million hits, not exactly sure why so I have added the video for this as well

Monday, 5 November 2012

3GPP Standards Self Organizing Networks

The following is a presentation by 3GPP on Self-Organising Networks in the SON Conference 2012:



A basic tutorial on SON is available also on 3GPP website here.

A detailed list of 3GPP work items on SON is available to view and download from here.

Tuesday, 30 October 2012

Quick summary of the 'Operator Mindshare' session from Small Cells Global Congress



We had quite a few interesting discussions in the Small Cells Global Congress, Operator Mindshare session. Here are some of the things that were discussed:

Licensed v/s Unlicensed deployments:
Many operators are now deploying WiFi in the unlicensed spectrum. This can help in the short term to alleviate the capacity problems but as more and more of this unlicensed spectrum nodes get deployed, they create interference between each other and make them unusable for anyone. An example was provided about Tokyo where in some areas, too many free WiFi hotspots means its unusable for anyone. One solution is to have one operator do all the logistics for the deployment and other operators can pay to use the service. Who (operator) would be the first one to go through the process of deploying everything first? Everyone would prefer wait and watch approach.

Providing free WiFi: 
The consensus was that the free WiFi provided by operators don't give any additional benefit to them and there isn't much of a business case. 

Consumer awareness for residential Femtocells:
Globally, not much effort is being done by the operator to make the end users aware of residential Femtocells and this is hampering the take-up  A point was made about when Vodafone launched their product, Vodafone Access Gateway (VAG), it was perceived as negative thing because the ads show that if the coverage was poor you can install this to improve coverage. From a users perspective, it showed that the network had poor coverage. Still consumer awareness is important, how to do it?

Placement of Small Cells:
Where should the public small cells (metrocells) be placed. The Biggest challenges are:
* Site Acquisition is the biggest problem. - This is a bigger problem if lap posts are sought to deploy on public locations
* Rent
* Planning
* Installation
* Power - Lamp posts are centrally switched off, so small cells on laamp posts may need alternative sources
* Power meter if used in a shared location
* Bullet proof (especially in the US)
* Backhaul - especially is non line of sight case.
* Health concerns (if visible)
* Visual appearance
* Opex

Backhaul:
Operators should be clearer in what they want. Right now the vendors are pushing the solutions that operators not necessarily need and not giving what the operators want. The Backhaul should be more flexible and future proof. It should be able to cater for upcoming technologies like Carrier Aggregation, CoMP, etc.

Shared v/s Dedicated carrier for 3G Small Cells:
Dedicated carrier is ideal but is not easily possible for most operators. When shared carrier is used it causes interference and handovers are not easy. 

Interoperability in the new hardware equipment for support of small cells:
Certain vendors are still not creating the the networks that can interwork with other vendors equipment. As we are moving towards LTE, this seems to be a much bigger problem. Sprint for example has 3 completely different networks in the US with no interoperability between them. Standards are not helping either as they do not dictate implementation. 


Some Interesting discussions on Case studies, Business Cases, etc.



Mosaic Telecom:
* Deployed residential Femtocells
* Deployed for coverage purpose
* Dont have handover capability yet
* Want to be able to deploy Microcells/Small Cells on Highways, around 1-2Km radius
* Their typical Microcells use 40W output power
* The cost of deployment if Macro using cabinet, antenna, etc is roughly 100K per site.

Telefonica, O2 trials in UK
* To get access to council lamp posts, it was required that the bidder offer free WiFi
* O2 set a high bar by paying lot of money to the councils in London, but this is not a sustainable model

A Business case for carrier neutral WiFi on light pole in Lima, Peru
* Each light pole can have 3 different locations
* The retail business case is to get the user to usse the offering and maybe offer the operator services, tempting to move to this operator from current one
* There can be a wholesale case of selling the WiFi capacity in bulk to companies, organisations

Some interesting statistics thrown up:
* WiFi cell radius is 30m in South America
* 83% of people in US think that operators should provide free WiFi because of lousy coverage of the mobile network.
* The first 4000 customers of a WiMax operator were using an average of 750 MB per day, 22.5GB per month.
* Some fixed Internet operators are now thinking of putting a cap on unlimited offering at 350GB per month.


There were no consensus and conclusions for many items so feel free to write your opinion in the comments.