Noise margin information for power control and link adaptation in IEEE 802.11h WLAN

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United States of America

PATENT NO RE47911
SERIAL NO

14310653

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Abstract

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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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Patent Owner(s)

Patent OwnerAddress
KONINKLIJKE PHILIPS N V5656 AG EINDHOVEN

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Choi, Sunghyun Seoul, KR 94 2643
Soomro, Amjad Ali Hopewell Junction, US 8 533

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