A communication station performs closed-loop transmit power control and adjusts its transmit power level based on an access point sensitivity, a path loss and/or a link margin variation. An average received power level of orthogonal frequency-division multiplexed (OFDM) subcarriers of an OFDM channel...http://www.google.ca/patents/US20050128970?utm_source=gb-gplus-sharePatent US20050128970 - Systems and methods for adjusting transmit power in wireless local area networks
