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CDMA Development Group Shows Roadmap for CDMA2000 Evolution
Posted on 6-Apr-2006 13:57. | Tags Filed under: News.

The CDMA Development Group (CDG) has announced details about the CDMA2000 evolutionary roadmap, with highlights including the commercial deployment of CDMA2000 1xEV-DO Revision A networks by late 2006, and the publication of the Revision C standard by the second quarter of 2007.

"With commercial Revision A products available this year, and work on Revision C well underway, CDMA2000 has a clear evolutionary path for the next decade," said Perry LaForge, executive director of the CDG. "This roadmap gives CDMA2000 operators and equipment manufacturers a major competitive advantage in terms of time-to-market because they can make and execute long-range plans today."

CDMA2000 evolution will include the following milestones:

  • CDMA2000 1xEV-DO Revision A: The commercial availability and first deployments of CDMA2000 1xEV-DO Revision A in Asia and North America will start at the end of 2006, with wide deployment in 2007. Revision A leverages CDMA's IP infrastructure and introduces enhancements that support latency-sensitive and bandwidth-intensive applications such as Voice over IP (VoIP) and Instant Multimedia Messaging (IMM), and it allows operators to provide integrated voice, data and video services at a lower cost and across multiple networks. KDDI, LG Telecom, Sprint Nextel, Telecom New Zealand and Verizon Wireless are among the operators that have committed to or have begun deploying Revision A.

  • CDMA2000 1xEV-DO Revision B: Approved for publishing by 3GPP2 TSG-C in March 2006, the Revision B standard increases throughput to 73.5 Mbps on the downlink and 27 Mbps on the uplink via multiple carriers and a 64-Quadrature Amplitude Modulation scheme.

  • CDMA2000 1xEV-DO Revision C: This advanced interface will deliver higher data rates and spectral efficiency along with low latency, making it ideal for enriched multimedia services. Revision C will support flexible and dynamic channel bandwidth scalability from 1.25 MHz up to 20 MHz and will be backward-compatible with Revisions A and B. Currently, 3GPP2 is evaluating various proposals, which include OFDM, MIMO, SDMA and Interference Cancellation techniques, with the harmonization of the proposals to be completed by June of this year.

    It expected that Revision C will increase the peak rates up to 200 Mbps in the downlink, also providing gain in sector throughput, which is essential for cost-effectively supporting several broadband users simultaneously. The standard is expected to be published by Q2 2007 with commercial products in the second half of 2008.

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