Method for reducing power consumption of terminal in mobile communication system using multi-carrier structure

  • US 10,405,277 B2
  • Filed: 07/25/2017
  • Issued: 09/03/2019
  • Est. Priority Date: 10/01/2009
  • Status: Active Grant
First Claim
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1. A communication method, comprising:

  • receiving, by a user equipment (UE), a first message comprising first information about a first discontinuous reception cycle from a base station;

    monitoring, by the UE, a physical downlink control channel (PDCCH) on a first component carrier based on the first discontinuous reception cycle;

    receiving, by the UE, first control information through the PDCCH on the first component carrier;

    receiving, by the UE, a second message from the base station based on the first control information, the second message related to a second discontinuous reception cycle;

    in response to receiving the second message, monitoring, by the UE, the PDCCH on the first component carrier based on the second discontinuous reception cycle;

    receiving, by the UE, second control information through the PDCCH on the first component carrier; and

    receiving, by the UE, user data through a physical downlink shared channel (PDSCH) on a second component carrier based on the second control information,wherein the second discontinuous reception cycle is shorter than the first discontinuous reception cycle, andwherein the second control information comprises a carrier indicator (CI) indicating the second component carrier.

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