Flexible uplink control channel configuration
DCFirst Claim
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1. A method for wireless communications, comprising:
- estimating channel quality information for a plurality of downlink carriers;
identifying a number of activated carriers in the plurality of downlink carriers; and
configuring an uplink control channel based at least in part on a number of activated carriers in the plurality, of downlink carriers,wherein the uplink control channel is configured using an encoding scheme selected based at least in part on the number of activated carriers while maintaining a constant feedback cycle independent of the number of activated carriers.
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Abstract
Systems, methods, devices, and computer program products are described for transmission of downlink channel quality information and acknowledgment information in a multi-carrier wireless communication system. Channel quality information may be estimated for a number of downlink carriers. An uplink control channel may be configured in a flexible manner based on the number of activated carriers and whether those carriers are configured with MIMO. The feedback cycle for the channel quality information may remain constant.
15 Citations
41 Claims
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1. A method for wireless communications, comprising:
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estimating channel quality information for a plurality of downlink carriers; identifying a number of activated carriers in the plurality of downlink carriers; and configuring an uplink control channel based at least in part on a number of activated carriers in the plurality, of downlink carriers, wherein the uplink control channel is configured using an encoding scheme selected based at least in part on the number of activated carriers while maintaining a constant feedback cycle independent of the number of activated carriers. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 39)
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16. A mobile terminal for wireless communications, comprising:
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a channel quality information measurement module configured to estimate channel quality information for a plurality of downlink carriers; a carrier detection module configured to identify a number of activated carriers in the plurality of downlink carriers; and a feedback encoder module, communicatively coupled with the channel quality information measurement module and the carrier detection module, and configured to modify an uplink control channel based at least in part on a number of activated carriers in the plurality of downlink carriers, wherein the uplink control channel is configured using an encoding scheme selected based at least in part on the number of activated carriers while maintaining a constant feedback cycle independent of the number of activated carriers. - View Dependent Claims (17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 40, 41)
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31. A device for wireless communications, comprising:
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means for estimating channel quality information for a plurality of downlink carriers; and means for configuring an uplink control channel based at least in part on the number of activated carriers in the plurality of downlink carriers, wherein the uplink control channel is configured using an encoding scheme selected based at least in part on the number of activated carriers while maintaining a constant feedback cycle independent of the number of activated carriers. - View Dependent Claims (32, 33, 34)
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35. A non-transitory computer-readable medium storing computer-executable code for wireless communications, comprising:
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code for causing a computer to estimate channel quality information for a plurality of downlink carriers; code for causing the computer to identify a number of activated carriers in the plurality of downlink carriers; and code for causing the computer to configure an uplink control channel based at least in part on a number of activated carriers in the plurality of downlink carriers, wherein the uplink control channel is configured using an encoding scheme selected based at least in part on the number of activated carriers while maintaining a constant feedback cycle independent of the number of activated carriers. - View Dependent Claims (36, 37, 38)
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Specification