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Method for transmitting control signal using efficient multiplexing

  • US 9,967,064 B2
  • Filed: 07/14/2017
  • Issued: 05/08/2018
  • Est. Priority Date: 10/02/2006
  • Status: Active Grant
First Claim
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1. A method for transmitting, by a base station, acknowledgement/non-acknowledgment (ACK/NACK) information, the method comprising:

  • receiving, by the base station, multiple uplink transmissions; and

    transmitting, by the base station, an ACK/NACK group through each of a fixed number of multiple resource sets in a subframe,wherein the ACK/NACK group contains multiple ACK/NACKs associated with the uplink multiple transmissions, using orthogonal codes which distinguish the multiple ACK/NACKs from each other,wherein each of the fixed number of multiple resource sets occupies a predetermined number of subcarriers and one orthogonal frequency division multiplexing (OFDM) symbol,which the fixed number of multiple resource sets are separate from each other along a frequency axis in the subframe,wherein the fixed number of multiple resource sets are distributed within one or multiple OFDM symbols in the subframe,wherein the fixed number is larger than two, andwherein, when two OFDM symbols are used for the ACK/NACK group in the subframe, the fixed number of multiple resource sets are distributed across the two OFDM symbols alternately along the frequency axis in the subframe.

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