A cross-layer approach to transmit antenna selection

Authors:
J. L. Vicario;M. A. Lagunas;C. Anton-Haro
Affiliations:
Centre Tecnologic de Telecomunicacions de Catalunya;-;-
Venue:
IEEE Transactions on Wireless Communications
Year:
2006

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Abstract

In this paper, we investigate a cross-layer approach to transmit antenna selection capable of adapting the number of active antennas to varying channel conditions. We address a cross-layer methodology in the sense that the criterion for the selection of antenna subsets is the maximization of link layer throughput which takes into account characteristics both at the physical and link layers. In order to enhance system performance, adaptive modulation is included to jointly perform antenna selection and rate adaptation. Performance assessment is conducted in terms of link layer throughput and transmission delay