Telstra-led team effort got Next G to 21Mbps in record time E-mail
by Stuart Corner   
Tuesday, 17 February 2009
Telstra has made it into the Guinness Book of World Records by being the first carrier to launch HSPA+ wireless broadband services at a maximum throughput of 21Mbps, but it achieved this by, unusually, pulling together all the key technology suppliers, including Qualcomm, maker of the HSPA+ device chips.

Telstra Next G network is supplied by Ericsson which was responsible for upgrading the radio access portion of the network to support HSPA+ delivering a theoretical maximum downstream speed of 21Mbps and upstream speed, initially of 1.9Mbps. The first user devices will be USB modems supplied by Sierra Wireless using a Qualcomm wireless chip as their key component. These will be followed by 3G wireless routers and NetComm has flagged its plans to launch a product later this year using a Sierra Wireless embedded HSPA+ module.

Rob Hart, head of Qualcomm Australia and New Zealand, told iTWire. "Telstra took a very end to end approach to this [upgrading Next G to 21Mbps]. They looked at the entire process and realised that the only way they were going to meet the timeframe they had set was to get all the players in the value chain working together."

According to Hart Qualcomm engineers worked with those from Sierra and Telstra as "a very unified team." However he said Telstra's influence had largely been to accelerate the process rather than the end result, as both the network and devices are built to operate according to a standard defined by 3GPP.

Initially the Qualcomm chip, and the Sierra Modem, support upload speeds to a maximum of 1.9Mbps and operate only on the 3G network. It is due to be upgradeable to 5.8Mbps during 2009 and to be able to operate across both 2G and 3G networks.

Hart said that these upgrades were dependent on additional testing and software not changes to the chip so the initial devices should be user upgradeable with the additional functionality.

"There is huge interest globally in 21Mbpsm" Hart said. "In Barcelona [at the Mobile World Congress] last year there were five operators with plans to offer it. This year the number is much larger."

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