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Wireless communication system for multi-hop connection, source station, radio station and pilot signal used therein

  • US 20030165127A1
  • Filed: 03/03/2003
  • Published: 09/04/2003
  • Est. Priority Date: 03/01/2002
  • Status: Active Grant
First Claim
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1. A wireless communication system for a multi-hop connection, which performs signal transmission between a source station, plurality of relay stations and a destination station, the source station comprising:

  • a transmission unit configured to transmit a pilot signal including identification information of the source station, the relay station comprising;

    a reception unit configured to receive a pilot signal;

    a required transmission power total calculation unit configured to specify a transmission path from the source station to the relay station by use of information included in the received pilot signal and calculate a total of required transmission power values of respective stations on the transmission path;

    a selection unit configured to select a transmission path having a minimum total of the required transmission power values among candidates of the specified transmission path; and

    a transmission unit configured to transmit a pilot signal including identification information about respective stations on the selected transmission path and required transmission power values thereof, and the destination station comprising;

    a reception unit configured to receive a pilot signal;

    a required transmission power total calculation unit configured to specify a transmission path from the source station to the destination station by use of information included in the received pilot signal and calculate a total of required transmission power values of respective stations on the transmission path;

    a selection unit configured to select a transmission path having a minimum total of the required transmission power values among candidates of the specified transmission path; and

    a transmission unit configured to transmit a pilot signal including identification information about respective stations on the selected transmission path and required transmission power values thereof.

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