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Article Dans Une Revue Mathematical Methods in the Applied Sciences Année : 2010

Sub-linear capacity scaling for multi-path channel models

Résumé

The theoretic capacity of a communication system constituted of several transmitting/receiving elements is determined by the singular values of its transfer matrix. Results based on an independent identically distributed channel model, representing an idealized rich propagation environment, state that the capacity is directly proportional to the number of antennas. Nevertheless there is growing experimental evidence that the capacity gain can at best scale at a sub-linear rate with the system size. In this paper, we show under appropriate assumptions on the transfer matrix of the system, that the theoretic information-capacity of multi-antenna systems is upper bounded by a sub-linear function of the number of transmitting/receiving links.
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Dates et versions

hal-00735647 , version 1 (26-09-2012)

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François Bentosela, Eric Soccorsi. Sub-linear capacity scaling for multi-path channel models. Mathematical Methods in the Applied Sciences, 2010, 33 (9), pp.1164-1180. ⟨hal-00735647⟩
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