Multi-carrier communications with group-based subcarrier allocation
First Claim
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1. A method for subcarrier selection for a system employing orthogonal frequency division multiple access (OFDMA) comprising:
- partitioning subcarriers into a plurality of groups of at least one cluster of subcarriers; and
receiving an indication of a selection by the subscriber of one or more groups in the plurality of groups; and
allocating at least one cluster in the one or more groups of clusters selected by the subcarrier for use in communication with the subscriber.
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Abstract
A method and apparatus for subcarrier selection for systems is described. In one embodiment, a method for subcarrier selection for a system employing orthogonal frequency division multiple access (OFDMA) comprises partitioning subcarriers into groups of at least one cluster of subcarriers, receiving an indication of a selection by the subscriber of one or more groups in the groups, and allocating at least one cluster in the one or more groups of clusters selected by the subcarrier for use in communication with the subscriber.
186 Citations
31 Claims
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1. A method for subcarrier selection for a system employing orthogonal frequency division multiple access (OFDMA) comprising:
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partitioning subcarriers into a plurality of groups of at least one cluster of subcarriers; and
receiving an indication of a selection by the subscriber of one or more groups in the plurality of groups; and
allocating at least one cluster in the one or more groups of clusters selected by the subcarrier for use in communication with the subscriber. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24)
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25. A cellular network using OFDMA channels for communication, the network comprising:
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a plurality of cells, each of the plurality of cells having a plurality of sectors;
a base station in each of the plurality of cells, wherein each base station allocates a first portion of OFDMA channels in a first portion of the plurality of sectors and a second portion of the OFDMA channels in a second portion of the plurality of sectors. - View Dependent Claims (26, 27, 28, 29)
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30. A cellular network using OFDMA channels for communication, the network comprising:
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a plurality of cells;
a base station in each of the plurality of cells, wherein each base station allocates groups of clusters based on priorities assigned to different cluster groups based on the cell of the plurality of cells in which said each base station resides. - View Dependent Claims (31)
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Specification
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Current AssigneeAdaptix, Inc. (Acacia Research Corporation)
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Original AssigneeSDR Holdings, LLC
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InventorsYin, Hujun, Li, Xiaodong, Liu, Hui, Mu, Fuqi, Xing, Guanbin
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Granted Patent
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Time in Patent OfficeDays
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Field of Search
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US Class Current370/203
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CPC Class CodesH04B 17/336 Signal-to-interference rati...H04B 17/345 Interference values signal-...H04J 11/00 Orthogonal multiplex system...H04J 11/003 at the transmitter transmis...H04J 11/005 of intercell interferenceH04L 1/0003 by switching between differ...H04L 1/0005 applied to payload informationH04L 1/0009 by adapting the channel cod...H04L 1/0011 applied to payload informationH04L 1/0025 Transmission of mode-switch...H04L 1/0026 Transmission of channel qua...H04L 1/0079 Formats for control data H0...H04L 1/04 using frequency diversityH04L 25/0226 sounding signals per seH04L 25/0228 with direct estimation from...H04L 27/2601 Multicarrier modulation sys...H04L 27/2602 Signal structureH04L 47/125 by balancing the load, e.g....H04L 5/0007 the frequencies being ortho...H04L 5/0032 Distributed allocation, i.e...View All
