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Interference avoidance and multiaccess vector channels

delete2007-08-01
delete12
PRE
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D
Dimitrie C. Popescu *
O
Otilia Popescu
C
Christopher Rose
DOI:10.1109/TCOMM.2007.902528delete
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Abstract

Abstract

En 中文
In this paper we present application of interference avoidance in the context of a general multiple access vector channel model. We show that this monotonically increases sum capacity, and discuss algorithms for code division multiple access (CDMA) codeword optimization based on this procedure. A greedy interference avoidance algorithm for multiaccess vector channels is presented in the paper, for which we discuss convergence to a class of codeword ensembles that satisfy a simultaneous water filling solution and maximize sum capacity. Numerical results obtained from simulations that corroborate our analytical results are also presented.
Keywords:
CDMA
distributed codeword adaptation
interference
avoidance
vector channels
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Journal

IEEE Transactions on Communications cover
IEEE Transactions on Communications
IF:
8.3
Papers:
1.2W
Citations:
3.6W

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