Cornered!
Cornered! is a blog devoted, most of the time anyway, to telecommunications: local and global issues, technology, people and trends from the perspective of someone who's been reporting, analysing and commenting on the industry since the dark ages (BC - before competition). Sometimes serious, sometimes flippant, sometimes frivolous. Controversial, analytical, informative, amusing, but never boring; a vehicle for examinations of important issues and observations on my encounters and experiences in an industry where polarised views and hyperbole are the norm.
Follow the Australian Telecommunications scene NEWSLETTER- FREE TRIAL

Blog

Technology news and Jobs arrow Cornered! arrow NTT DoCoMo boasts of plans for 300Mbps mobile speeds
NTT DoCoMo boasts of plans for 300Mbps mobile speeds E-mail
by Stuart Corner   
Monday, 16 July 2007
Japanese mobile carrier, NTT DoCoMo - one of few carriers left in the world that still retains a large cutting edge in-house R&D facility -  has announced that is working to develop a 'Super 3G' cellular technology capable of delivering 300Mbps downstream. However the announcement raises many questions.

The first one is: why has DoCoMo gone public at such an early stage in the programme, and what does it hope to achieve by doing this? The second is how do DoCoMo's plans mesh with the well developed roadmap raid out by the global 3G standards body 3GPP, the so called Long Term Evolution (LTE)?

All DoCoMo has said is that it will begin with an indoor experiment to test transmission speed using one transmitting and one receiving antenna. The company will then expand the experiment to examine downlink transmission by employing up to four Multiple-Input Multiple-Output (MIMO) antennas for both the base station, on the transmission side and on the mobile station, on the receiving side with the goal is to achieve a downlink transmission speed of 30Mbps.

No real surprises here: MIMO is now well established as an antenna technology for wireless communications in which different data streams are spatially multiplexed using multiple antennas for both transmission and reception on the same frequency, and MIMO with up to four antennas is part of the LTE roadmap.

DoCoMo claims to be '"leading the discussion over LTE" and says it believes Super 3G will allow it to make a smooth transition to 4G in the future. A graph presented with the announement   shows an approximate time for Super 3G to become a commercial reality of 2009 and LTE emerging around 2013, rather later than major vendors are claiming. Also LTE is not expected to achieve a data rate as high as DoCoMo's Super 3G, around 100Mbps only.

 
< Next story in category   Previous story in the category >
iTWire user statistics Visitors last 30 days
694,279
Subscribers 15,210
#1 independent technology news advertise here
  •   *  
  • Search
  • AdvSeach
  • Login
  • Events
  • FreeStuff

- Advertisement -

Featured Whitepapers

Cornered! - Telecoms blog
Cornered! is a blog on all things tele-communication from the perspective of one who has observed, analysed commented and reported on the industry since the dark ages (BC - before competition).
Follow iTWire on Twitter

About iTWire

iTWire is all about technology news, information, jobs and community for the IT and telecommunications industry professional. Subscribe to our free ICT daily newsletter