Multi-carrier communications wit adaptive cluster configuration and switching
First Claim
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1. A method for use in allocating subcarriers in an OFDMA system comprising:
- determining whether a subscriber is mobile or fixed;
allocating at least one diversity cluster of subcarriers to the subscriber if the subscriber is determined to be mobile; and
allocating at least one coherence cluster of subcarriers to the subscriber if the subscriber is determined to be fixed.
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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.
75 Citations
29 Claims
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1. A method for use in allocating subcarriers in an OFDMA system comprising:
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determining whether a subscriber is mobile or fixed;
allocating at least one diversity cluster of subcarriers to the subscriber if the subscriber is determined to be mobile; and
allocating at least one coherence cluster of subcarriers to the subscriber if the subscriber is determined to be fixed. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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19. An apparatus for use in allocating subcarriers in an OFDMA system, the apparatus comprising:
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means for determining whether a subscriber is mobile or fixed;
means for allocating at least one diversity cluster of subcarriers to the subscriber if the subscriber is determined to be mobile; and
means for allocating at least one coherence cluster of subcarriers to the subscriber if the subscriber is determined to be fixed. - View Dependent Claims (20, 21, 22, 23, 24, 25, 26, 27, 28, 29)
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Specification