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US 7,146,172 B2Granted
Multi-carrier communications with adaptive cluster configuration and switching
AssigneeAdaptix, Inc.
InventorsXiaodong Li, Hui Liu, Wenzhong Zhang, Kemin Li
Life of this patent
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Abstract
A method and apparatus for allocating subcarriers in an orthogonal frequency division multiple access (OFDMA) system is described. In one embodiment, the method comprises allocating at least one diversity cluster of subcarriers to a first subscriber and allocating at least one coherence cluster to a second subscriber.
Claims13
A method for use in allocating subcarriers in an OFDMA system comprising
- allocating at least one diversity cluster of subcarriers to a first subscriber;
- and
- allocating at least one coherence cluster to a second subscriber, such that communication with the first and second subscribers is able to occur by simultaneously using the at least one diversity cluster and the at least one coherence cluster, respectively.
The method defined in claim I further comprising updating allocation of clusters to the subscriber.
Dependencies are inferred from the claim text.