Multi-carrier communications with group-based subcarrier allocation
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United States of America Patent
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Aug 11, 2009
Grant Date -
Feb 21, 2008
app pub date -
Oct 26, 2007
filing date -
Dec 15, 2000
priority date (Note) -
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Abstract
A method and apparatus for subcarrier selection for systems is described. In one embodiment, the system employs orthogonal frequency division multiple access (OFDMA). In one embodiment, a method for subcarrier selection comprises a subscriber measuring channel and interference information for subcarriers based on pilot symbols received from a base station, the subscriber selecting a set of candidate subcarriers, providing feedback information on the set of candidate subcarriers to the base station, and receiving an indication of subcarriers of the set of subcarriers selected by the base station for use by the subscriber.
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