| 摘要 |
PURPOSE:To shorten connection delay, by issuing a signal to designate a fixed station which relays its own transmission signal from a mobile station, and making a control station relay the transmission signal from the mobile station only to a designated fixed station. CONSTITUTION:The mobile station transmits the identification code ID(A) of the fixed station to relay the transmission signal of its own station and the identification code ID(B) of its own station behind a preamble and a frame synchronizing signal FS, and next, transmits a required control signal. The transmission signal including such identification ID(A) from the mobile station is received by plural fixed stations near the mobile station. However, only the fixed station having a number which coincides with the identification ID(A) responds, and continues a required processing for the control station. Therefore, the fixed station is not requested to detect reception electric field strength from the mobile station, and also, the control station is not requested to perform a processing to select the fixed station, and a means to process such operation is not required. In such a way, it is possible to reduce the connection delay to the minimum.
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