EV-DO Rev-B in Horizon Promissing 9Mbps
At CTIA, Qualcomm has announced its roadmap to upgrade EVDO chipsets—both with new hardware and software updates to offer backward compatibility in older models. The company claims that during its tests on EVDO Rev-B they saw an average data rate of 9.3Mbps down, via the 5MHz spectrum—a drastic increase over Rev. A’s 800kbps download speed.
“The evolution of CDMA2000 networks from EVDO Rev. A to EVDO Rev. B allows network operators to remain leading-edge in their service and performance offerings without the need for any infrastructure hardware changes,” said Qualcomm CEO Dr. Sanjay K. Jha in a statement. The key is the lack of significant infrastructure hardware change, which means that uptake in the US should be good.
According to the company, the software update for Qualcomm’s older EVDO hardware, the CSM6800, will be available by the end of this week. There is no time frame specified for when US carriers might adopt EVDO Rev. B, but given that Qualcomm plans to roll out its new hardware, the MSM7850, later this year, it wouldn’t be surprising to see Sprint or Verizon upgrade their handsets and EVDO cards soon thereafter.
[Source: ArsTechnica]
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I thought sprint planned a buildout of Wimax tech using the 2.4 Ghz frequency in late 2007 followed a complete rollout by 2nd Qtr. of 2008. How does EVDO Rev. B fit into this?
We would say these are competing offerings
1-Wimax,
2-EV-DO
3-New long distance WiFi just announced by Intel
As far as Sprint major investment to Wimax, they might see Wimax as their future to expand more services (e.g. home broadband)