Feeds

Tokyo 250Mbps mobile supernetwork speeds into life

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

Security for virtualized datacentres

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. ®

Protecting against web application threats using SSL

More from The Register

next story
Brit telcos warn Scots that voting Yes could lead to HEFTY bills
BT and Co: Independence vote likely to mean 'increased costs'
Phones 4u slips into administration after EE cuts ties with Brit mobe retailer
More than 5,500 jobs could be axed if rescue mission fails
New 'Cosmos' browser surfs the net by TXT alone
No data plan? No WiFi? No worries ... except sluggish download speed
Radio hams can encrypt, in emergencies, says Ofcom
Consultation promises new spectrum and hints at relaxed licence conditions
Turnbull: NBN won't turn your town into Silicon Valley
'People have been brainwashed to believe that their world will be changed forever if they get FTTP'
Blockbuster book lays out the first 20 years of the Smartphone Wars
Symbian's David Wood bares all. Not for the faint hearted
Bonking with Apple has POUNDED mobe operators' wallets
... into submission. Weve squeals, ditches payment plans
prev story

Whitepapers

Providing a secure and efficient Helpdesk
A single remote control platform for user support is be key to providing an efficient helpdesk. Retain full control over the way in which screen and keystroke data is transmitted.
WIN a very cool portable ZX Spectrum
Win a one-off portable Spectrum built by legendary hardware hacker Ben Heck
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.
Protecting users from Firesheep and other Sidejacking attacks with SSL
Discussing the vulnerabilities inherent in Wi-Fi networks, and how using TLS/SSL for your entire site will assure security.
Security for virtualized datacentres
Legacy security solutions are inefficient due to the architectural differences between physical and virtual environments.