Techniques for providing uplink feedback for downlink-only RF carriers in a multicarrier system
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United States of America Patent
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Apr 23, 2013
Grant Date -
Sep 8, 2011
app pub date -
Oct 12, 2010
filing date -
Mar 5, 2010
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Techniques are described for permitting uplink feedback for downlink transmission over downlink-only RF carriers to occur using uplink control channels belonging to another fully-configured RF carrier herein known as a primary carrier. Uplink feedback channels can be allocated for the downlink-only RF carriers in the uplink control regions of a fully-configured RF carrier immediately following the uplink control channels for the primary carrier are allocated. The uplink feedback channels for downlink-only RF carriers can be allocated based on global or local index number of each downlink-only RF carrier in sequential order based on ascending or descending sorting of the index numbers.
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