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Wednesday, 25 January 2006 03:42

Atheros 802.11n chips promise 200Mbps WLANs

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Atheros Communications has launched a series of chipsets based on the newly-confirmed draft 802.11n specification and claimed to deliver six times the throughput of 802.11g and 802.11a/g products at extended range and with greater reliability.


The AR5008 chips are the first to incorporate Atheros' XSPAN and its Signal-Sustain Technology, claimed to "unleash the full potential of MIMO [multiple input multiple output] to significantly enhance signal reliability and throughput at range...achieved through the world's first single-chip triple-radio RF design."

The AR5008 is claimed to deliver 300Mbps physical data rate with real end-user throughput of 150 to 180Mbps, and, on average, 50 percent greater sustained throughput at range than existing '2x2 MIMO' systems.

Signal Sustain Technology (SST) "dramatically increases link robustness and throughput by simultaneously transmitting across three spatially-diverse signal paths, and incorporating information from three receivers simultaneously within the signal processing at the receiver," according to Atheros.

The company gave no indication of when the first products incorporating its new chipsets would hit the market.


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