| 摘要 |
PURPOSE: A directional link method of measurement is provided to expand a service coverage, thereby securing reliability of data transmission. CONSTITUTION: A transmission station(STA 1) transmits directional link measurement request message to the receiving station for link measuring of a beam formed link between the transmission station and a receiving station(STA 2)(S410). The transmission station receives directional link measuring response message including transmission power control information as response about the directional link measuring request message(S420). The transmission station transmits data frame to the receiivn station with transmission type according to he control power(S440).
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