Method, system and devices for reducing interferences in OFDMA wireless communication networks
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United States of America Patent
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Mar 20, 2018
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app pub date -
Feb 23, 2016
filing date -
Mar 4, 2015
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Abstract
A system and method for reducing interferences in OFDM networks comprising
- generating (31) a set of pseudo-random coordination patterns {kin; i=0, . . . , N−1; n=0, . . . , M−1}, wherein kin are integers from 0 to M−1, M is the number of calls in a coordination cluster, N is the number of subcarriers, n is a cell identifier within the coordination cluster, and kin≠kim∀n≠m, i=0, . . . , N−1;generating a randomizing pattern common to all cells within the coordination cluster, comprising an invertible transformation in the time domain of the complex symbols for each subcarrier;spreading (32) the complex symbols over M TTIs:
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