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Method for switching working mode on relay network, base station, relay node, and communications system

  • US 9,198,058 B2
  • Filed: 12/19/2013
  • Issued: 11/24/2015
  • Est. Priority Date: 06/22/2011
  • Status: Active Grant
First Claim
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1. A method for switching a working mode on a relay network, the method comprising:

  • sending, by a donor eNB (DeNB) a relay node (RN) reconfiguration message to a RN in frequency division duplex (FDD) mode, so that the RN switches from the FDD mode to a half-duplex frequency division duplex (H-FDD) mode;

    receiving, by the DeNB, an acknowledgment message sent by the RN in FDD mode;

    after receiving the acknowledgment message, verifying, by the DeNB that the RN has already started to switch from the FDD mode to the H-FDD mode according to the RN reconfiguration message and the acknowledgement message;

    switching, by the DeNB, from the FDD mode to the H-FDD mode; and

    receiving, by the DeNB in H-FDD mode, an RN reconfiguration completion message sent by the RN in H-FDD mode.

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