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RADIO RELAY STATION AND CONTROL METHOD

  • US 20130052941A1
  • Filed: 01/26/2011
  • Published: 02/28/2013
  • Est. Priority Date: 01/26/2010
  • Status: Active Grant
First Claim
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1. A radio relay station, comprising:

  • a first communication unit configured to communicate with a radio base station or a different radio relay station as a connection destination;

    a second communication unit configured to communicate with at least one radio terminal;

    a relay unit configured to relay data to be exchanged between the connection destination of the first communication unit and the radio terminal; and

    a controller configured to control the first communication unit and the second communication unit, whereinthe controller comprises;

    a handover request unit configured to control the first communication unit so that the first communication unit transmits a handover request for executing a relay station handover in which the first communication units switches the connection destination, when a relay station load that is a load of a communication performed by the second communication unit with the radio terminal exceeds a load allowable amount determined according to a load of the connection destination of the first communication unit or when it is predicted that the relay station load exceeds the load allowable amount; and

    a handover controller configured to control the first communication unit so that the first communication unit executes the relay station handover when the first communication unit receives a response message indicating that the relay station handover is allowed or instructed.

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