On optimum MIMO with antenna selection

Wireless communication systems with transmit and receive antenna arrays are studied when antenna selection is used. A case with very limited feedback of information from the receiver to the transmitter is considered, where the only information fed back is the selected subset of transmit antennas to...

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Veröffentlicht in:	IEEE communications letters 2002-08, Vol.6 (8), p.322-324
Hauptverfasser:	Blum, R.S., Winters, J.H.
Format:	Artikel
Sprache:	eng
Schlagworte:	Antenna arrays Antenna feeds Antennas Applied sciences Exact sciences and technology Feedback Lifting equipment MIMO Radio frequency Radiocommunications Rayleigh channels Receiving antennas Systems, networks and services of telecommunications Telecommunications Telecommunications and information theory Transmission and modulation (techniques and equipments) Transmitters Transmitting antennas
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Beschreibung
Zusammenfassung:	Wireless communication systems with transmit and receive antenna arrays are studied when antenna selection is used. A case with very limited feedback of information from the receiver to the transmitter is considered, where the only information fed back is the selected subset of transmit antennas to be employed. It is shown that the optimum signaling, for largest ergodic capacity with antenna selection, is generally different from that which is optimum without antenna selection for some range of signal-to-noise ratios.
ISSN:	1089-7798 1558-2558
DOI:	10.1109/LCOMM.2002.802050