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NSN keeps CDMA alive

27 Jun 2012
00:00
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When Qualcomm cancelled the 4G roadmap for CDMA, called UMB (Universal Mobile Broadband), it seemed the community would move rapidly to LTE, as flagwaver Verizon Wireless is doing. However, many other operators still want to extend the performance of their CDMA EV-DO networks for as long as possible, and Nokia Siemens says there is life in the technology yet.

The vendor has announced an offering called EV-DO Advanced, which like its equivalents in the HSPA segment will deliver increased data capacity and efficiency before the operator needs to migrate to LTE or new spectrum. It is promising a software upgrade which will be rolled out by a “leading operator” and should boost data capacity by up to 40% in loaded cells. This is compatible with existing Rev A devices.

“We are fully focused on technologies that enable a superior mobile broadband experience, and EV-DO Advanced is one such development. It is a major driver of CDMA evolution and adding this to our portfolio reflects our strong commitment to the technology standard,” said Scott Mottonen, head of NSN's CDMA/LTE business line. “By dynamically adding network capacity where and when it is needed through an incremental, selective and cost-effective upgrade, EV-DO Advanced addresses growing demand for data.”

Since acquiring the network assets of Motorola Solutions last year, NSN has gained a place in the CDMA space – as Ericsson did with its purchase of Nortel divisions. Both companies were primarily motivated by the need to gain a foothold in major CDMA carriers which were planning LTE migrations.

But outside the US, most CDMA cellcos would prefer a gradual upgrade path, which will see their 3G networks enhanced even as they build out LTE in hotzones – the same pattern commonly seen in the GSM world. Even some carriers which had planned a swift move to 4G, notably MetroPCS, are now opting for a parallel EV-DO update.

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