Method for specifying transport block to codeword mapping and downlink signal transmission method using the same
AssigneeLG Electronics Inc.
InventorsMoon Il LEE, Hyun Soo KO, Bin Chul IHM, Wook Bong LEE, Jae Hoon CHUNG
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Abstract
A method for specifying a transport block-to-codeword mapping relationship and a method for transmitting a downlink signal using the same are described. If a swap flag has a first logic value, a first transport block is mapped to a first codeword and a second transport block is mapped to a second codeword. If the swap flag has a second logic value, the first transport block is mapped to the second codeword and the second transport block is mapped to the first codeword. If the size of any one of two transport blocks is 0, the swap flag is not used.
Claims13
1-8. (canceled)
A method for transmitting a downlink signal at a base station in a wireless communication system, the method comprising:
- transmitting a downlink control channel carrying downlink control information;
- and
- transmitting a downlink data channel carrying two or less codewords,
- wherein a swap flag included in the downlink control information specifies a mapping relationship between two transport blocks and two codewords,
- wherein, when one of the two transport blocks is disabled, a modulation and coding scheme index for the one of the two transport blocks included in the downlink control information is configured as 0.
A method for receiving a downlink signal at a user equipment in a wireless communication system, the method comprising:
- receiving a downlink control channel carrying downlink control information;
- and
- receiving a downlink data channel carrying two or less codewords,
- wherein a swap flag included in the downlink control information specifies a mapping relationship between two transport blocks and two codewords,
- wherein, when one of the two transport blocks is disabled, a modulation and coding scheme index for the one of the two transport blocks included in the downlink control information is configured as 0.
Dependencies are inferred from the claim text.