Method and device for relay node access

  • US 8,750,196 B2
  • Filed: 06/04/2010
  • Issued: 06/10/2014
  • Est. Priority Date: 06/19/2009
  • Status: Active Grant
First Claim
Patent Images

1. A method for Relay Node (RN) access, comprising:

  • a base station sending a downlink message to trigger an RN to switch from monitoring a Physical Downlink Control Channel (PDCCH) to monitoring an RN-dedicated Physical Downlink Control Channel (R-PDCCH); and

    the RN acquiring time-frequency resources for the R-PDCCH from the base station before or while receiving the downlink message;

    wherein the downlink message is special signaling including RN-dedicated configuration information, or an MAC control element including RN-dedicated configuration information;

    wherein the special signaling including the RN-dedicated configuration information is an RRC connection reconfiguration message or newly-introduced special signaling;

    the MAC control element including the RN-dedicated configuration information is a newly-introduced MAC control element; and

    wherein the RN-dedicated configuration information further comprises;

    switching time of switching from monitoring the PDCCH to monitoring the R-PDCCH;

    the method further comprises;

    the RN acquires the switching time from the received downlink message and switches from monitoring the PDCCH to monitoring the R-PDCCH according to the switching time.

View all claims
    ×
    ×

    Thank you for your feedback

    ×
    ×