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HARQ METHOD AND APPARATUS FOR COMMUNICATION SYSTEM

  • US 20120230272A1
  • Filed: 03/12/2012
  • Published: 09/13/2012
  • Est. Priority Date: 03/11/2011
  • Status: Active Grant
First Claim
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1. A communication method of a base station supporting Hybrid Automatic Repeat reQuest (HARQ) in a communication system utilizing cross-carrier scheduling, the communication method comprising the steps of:

  • scheduling, at a first cell, a second cell;

    receiving data, transmitted by a terminal, at a subframe of the second cell;

    determining a subframe, in the first cell, for transmitting a HARQ acknowledgement corresponding to the data, and a subframe, in the first cell, carrying scheduling information of the second cell;

    determining whether the subframe for transmitting the HARQ acknowledgement and the subframe carrying the scheduling information of the second cell are the same; and

    when the subframe for transmitting the HARQ acknowledgement and the subframe carrying the scheduling information are not the same, matching the subframe for transmitting the HARQ acknowledgement and the subframe carrying the scheduling information of the second cell to each other.

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