Feeds

Tokyo 250Mbps mobile supernetwork speeds into life

Did you see it? There it goes again....

Providing a secure and efficient Helpdesk

Japan's largest operator has built a mobile network offering massive download speeds of 250Mbps.

NTTDoCoMo's network near Tokyo is only a test, but the operator expects to complete development of the technology next year. Commercial networks could follow soon after. It's pushing technical standards to the limit in magicking out the 250Mbps speed, although it claims speeds could in theory reach 300Mbps. Upstream data can be transmitted on the network at up to 75Mbps.

The network is based on long-term evolution (LTE), an enhancement of 3G and HSDPA which is using four multiple-input multiple-output (MIMO) antennae. It's a lot faster than current networks - HSDPA offers just 14Mbps downstream while 3G provides a mere 384Kbps. Both those figures are theoretical speeds - actual experiences have been far slower.

3G is available across the majority of the UK, but HSDPA is still much more limited.

As well as providing extra bandwidth, LTE has other benefits. It should provide less delay than 3G and it's more spectrally efficient, meaning it'll save operators like NTT a yen or two. It also works over both 2G and 3G frequencies.

Before it's released commercially, a range of issues have to be tested, including the ability of users to roam between base stations without losing the call.

NTT plans to give more details of its network to the Americans at a trade show on 1 April. It has dubbed LTE as both "Super 3G" and 3.9G - which looks set to cause confusion, as HSDPA has also been called Super 3G. ®

Security for virtualized datacentres

More from The Register

next story
HBO shocks US pay TV world: We're down with OTT. Netflix says, 'Gee'
This affects every broadcaster, every cable guy
Same old iPad? NO. The new 'soft SIMs' are BIG NEWS
AppleSIM 'ware to allow quick switch of carriers
Arab States make play for greater government control of the internet
Nerds told to get lost in last-minute power grab bid at UN meeting
iPhone 6 shunned by fanbois in Apple's GREAT FAIL of CHINA
Just 100 Beijing fanbois queue to pick up new mobe
Brits: Google, can you scrape 60k pages from web, pleeease
Hey, c'mon Choc Factory, it's our 'right to be forgotten'
Of COURSE Stephen Elop's to blame for Nokia woes, says author
'Google did have some unique propositions for Nokia'
It's even GRIMMER up North after MEGA SKY BROADBAND OUTAGE
By 'eck! Eccles cake production thrown into jeopardy
prev story

Whitepapers

Forging a new future with identity relationship management
Learn about ForgeRock's next generation IRM platform and how it is designed to empower CEOS's and enterprises to engage with consumers.
Win a year’s supply of chocolate
There is no techie angle to this competition so we're not going to pretend there is, but everyone loves chocolate so who cares.
Why cloud backup?
Combining the latest advancements in disk-based backup with secure, integrated, cloud technologies offer organizations fast and assured recovery of their critical enterprise data.
High Performance for All
While HPC is not new, it has traditionally been seen as a specialist area – is it now geared up to meet more mainstream requirements?
Saudi Petroleum chooses Tegile storage solution
A storage solution that addresses company growth and performance for business-critical applications of caseware archive and search along with other key operational systems.