Power-efficient signaling for asymmetric multi-carrier communications
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United States of America Patent
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Jul 21, 2009
Grant Date -
Mar 15, 2007
app pub date -
Jul 17, 2006
filing date -
Apr 18, 2005
priority date (Note) -
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Abstract
A method and system for reducing transmission power when signaling in groups. For a group of identically-sized signals a majority value can be determined. The majority value may be transmitted as an additional signal, and all indications of the group that match the majority indication can be gated “off.” The disclosed signaling method and apparatus saves transmit power. Transmit power savings generally increase as the size of the signaling group increases, as the proportion of the group sharing the majority indication increases, and as the correlation between different members of the group increases. Therefore, signaling units of ACK and/or data rate control (DRC) and/or power control information, regarding data packets conveyed on a plurality of active forward link (FL) carriers to a particular receiver, are good candidates for majority signaling.
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