540Mbps Wi-Fi Design Submitted
Posted: 13th Aug, 2004 By: MarkJ
The initial template for a future 802.11n wireless standard has been submitted to the IEEE by Texas Instruments, Broadcom, Conexant, STMicro, Airgo and Bermai. The design, known as WorldWide Spectrum Efficiency, could offer speeds of up to 540Mbps!:
To that end, the proposal mandates the use of Wi-Fi's 20MHz channel width, which also ensures backwards compatibility with existing Wi-Fi equipment. WWiSE itself uses the Multiple Input, Multiple Output (MIMO) many-antennae technique and Orthogonal Frequency Division Multiplexing (OFDM) to boost data throughput rates to a maximum of 540Mbps.
Such rates can be achieved with a 4 x 4 aerial array and a 40MHz channel width. In countries where spectrum regulations forbid such a channel width, kit based on WWiSE will fall back to a 2 x 2 array and the 20MHz channel width.
The proposal also includes optional advanced forward error-correction coding techniques to boost coverage and range.
Currently all that glitters is not gold in the Wi-Fi technology and standards industry (legal fights, differing standards ideas etc.), so don't expect 540Mbps transfer speeds to be on your doorstep any time soon. More @ The Register.
To that end, the proposal mandates the use of Wi-Fi's 20MHz channel width, which also ensures backwards compatibility with existing Wi-Fi equipment. WWiSE itself uses the Multiple Input, Multiple Output (MIMO) many-antennae technique and Orthogonal Frequency Division Multiplexing (OFDM) to boost data throughput rates to a maximum of 540Mbps.
Such rates can be achieved with a 4 x 4 aerial array and a 40MHz channel width. In countries where spectrum regulations forbid such a channel width, kit based on WWiSE will fall back to a 2 x 2 array and the 20MHz channel width.
The proposal also includes optional advanced forward error-correction coding techniques to boost coverage and range.
Currently all that glitters is not gold in the Wi-Fi technology and standards industry (legal fights, differing standards ideas etc.), so don't expect 540Mbps transfer speeds to be on your doorstep any time soon. More @ The Register.
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