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SIGNAL TO NOISE MARGIN INFORMATION FOR POWER CONTROL AND BIT RATE ADAPTATION IN IEEE 802.11H WLAN
SIGNAL TO NOISE MARGIN INFORMATION FOR POWER CONTROL AND BIT RATE ADAPTATION IN IEEE 802.11H WLAN
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机译:IEEE 802.11H WLAN中用于功率控制和比特率自适应的噪声容限信息的信号
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摘要
A method and apparatus for adjusting the transmission power level or transmission data rate between a plurality of stations located within the coverage area of a basic service set (BSS) or in an independent basic service set (IBSS) in a wireless local area network (WLAN). The receiving station extracts a transmission data rate from an incoming signal, determines a signal-to-noise ratio (SNR) for the incoming signal, and then calculates noise margin information based on a difference between the SNR of the incoming signal and a minimum SNRMIN for the extracted data rate. The noise margin is then transmitted back to the original transmitting station and using the noise margin information, the transmit power level and/or the transmission rate of this station may be adjusted accordingly.
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