| 摘要 |
<P>PROBLEM TO BE SOLVED: To improve a relay network entry procedure. Ž<P>SOLUTION: The present invention relates to a wireless communication system, in which transmissions between a mobile station (MS/SS) and a base station (BS) are relayed via at least one relay station (RS). The relay station determines whether the mobile station has issued a ranging code and if so, notifies the base station of this. The base station detects any ranging code received directly or notified from the relay station and uses all such detections to decide how to respond to the mobile station. In this way, with minimal modifications to an existing BS, legacy MS/SS can be supported within a multi-hop wireless communication system. The system may in other respects conform to the IEEE802.16 standard for single-hop wireless communication. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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