Friday, 28 December 2012
Everything you ever wanted to know about M2M
Thursday, 27 December 2012
Small Cells 'Terminology' and 'Comparison'
Here is AT&T's attempt in comparing the small cells. The above comparison is probably based on the assumption that LTE Small cells are not yet widely available. Once they are, then LTE can be put in for most columns in the Technology part.
See also:
Labels:
DAS,
Femtocells,
Metrocell,
Picocells,
Small Cells,
Wi-Fi
Wednesday, 26 December 2012
Deploying Femtocells in Private Aircraft and Less Conventional Settings
Tuesday, 25 December 2012
Future mobile technology with Graphene
Some days back I attended an interesting talk where the speaker showed how Graphene will revolutionise the future mobile devices. Here is what Graphene is:
Another version:
A concept phone video from Samsung
And a Nokia demo from the last MWC that uses Graphene as a sensor and also opens the possibility of using other gestures except for touch
Monday, 24 December 2012
Saturday, 22 December 2012
Data v/s Signalling Traffic in Dongles and Phones
From a presentation by Peter Zidar in the Small Cells Global Congress 2012.
The above picture shows that even though the amount data traffic carried by dongles is much more than the amount of traffic carried by the mobile phones, the amount of signalling is far higher from the mobiles than that of dongles. This is mainly because the mobiles need to conserve the battery power and for this reason they disconnect from the network as soon as there is no need for exchange of data. Remember the Fast Dormancy issue in the smartphones? If not see this post.
Related posts:
The above picture shows that even though the amount data traffic carried by dongles is much more than the amount of traffic carried by the mobile phones, the amount of signalling is far higher from the mobiles than that of dongles. This is mainly because the mobiles need to conserve the battery power and for this reason they disconnect from the network as soon as there is no need for exchange of data. Remember the Fast Dormancy issue in the smartphones? If not see this post.
Related posts:
- On Signalling Storm...
- A Twitter discussion on 'Data Tsunami' myth
- M2M and the 'Big Data'
- Understanding smartphone traffic
Thursday, 20 December 2012
IMS Whitepapers from Spirent
Couple of old but interesting whitepapers from Spirent available, in case you are interesting in IMS. Available to download from here (registration required)
Related blog posts:
- IMS Release 10 Tutorial
- ETSI INT IMS/EPC Interoperability Standardisation: Motivation, Roadmap & First Results
- UICC and ISIM (IMS SIM)
Labels:
IMS,
Signalling,
White Papers and Reports
Monday, 17 December 2012
2 Presentations on Mobile technology Security
Labels:
3GPP,
Backhaul,
EPS,
GPRS,
GSM,
IMS,
LTE,
Relays,
Security,
Small Cells,
Standards,
Technical Details,
UMTS
Saturday, 15 December 2012
Spectrum auction results from The Netherlands
The result of the auction:
800 | 900 | 1800 | 2100 | 1900 | 2600 | |
KPN | 2x10 | 2x10 | 2x20 | 2x5 | 30 | |
Vodafone | 2x10 | 2x10 | 2x20 | 2x5 | ||
T-Mobile | 2x15 | 2x30 | 4,9+9,7 | 25 | ||
Tele2 | 2x10 |
The total price of the auction:
- Vodafone 1,380,800,000 euro (1.381 billion)
- KPN 1,351,852,000 euros (1.352 billion)
- T-Mobile 910,681,000 euro (910.8 million)
- Tele2 euro 160,813,000 (160.8 million)
After the auction is the distribution of the main bands is as follows:
800 | 900 no | 900 new | 1800 no | 1800 new | 2100 no | 2100 new | 2600 | |
KPN | 2x10 | 2x12,4 | 2x10 | 2x18,4 | 2x20 | 2x15 | 2x20 | 2x10 |
Vodafone | 2x10 | 2x12,4 | 2x10 | 2x4,8 | 2x20 | 2x15 | 2x20 | 2x10 |
T-Mobile | 2x10 | 2x15 | 2x30,6 | 2x30 | 2x20 | 2x20 | 2x5 | |
Tele2 | 2x10 | - | - | - | - | - | - | 2x20 |
TO | - | - | - | - | - | - | 2x20 |
Sources:
Vodafone - Summer 2013
KPN - February 2013
Added 15/12/12:11.48
You can also see it visually as in the slide below:
Thursday, 13 December 2012
Half Duplex Operation (HD-FDD) in LTE
It was interesting to hear the other day that there is an option for HD-FDD but it is still undergoing investigation and not standardised yet. From what I hear, operators are showing an interest and we may see it coming to an operator near us in the next couple of years.
Complete presentation below:
The advantages are obvious but probably the only reason this was not standardised actively is probably because then peak rates often quoted when promoting technology will be halved. The economy of scale is also important and we may not see this becoming popular unless many operators decide together to push for this.
Other posts of interest:
- Quick Introduction to LTE-Advanced
- Quick update on 3GPP Release-12 progress
- TD-LTE in China: Progress and Plan
Labels:
Cambridge Wireless (CW),
LTE,
Technical Details
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