Efficient weight vector representation for closed-loop transmit diversity

For a closed-loop transmit (Tx) diversity, the Tx weights are calculated at a receiver, and fed back to a transmitter. As the number of Tx antennas increases, the potential gain of closed-loop Tx diversity may be significant. However, the amount of feedback information, which is the number of Tx wei...

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Veröffentlicht in:	IEEE transactions on communications 2004-01, Vol.52 (1), p.9-16
Hauptverfasser:	Hwang, Keun Chul, Lee, Kwang Bok
Format:	Artikel
Sprache:	eng
Schlagworte:	3G mobile communication Array signal processing Degradation Delay Diversity methods Downlink Feedback Mobile communication Performance analysis Transmitting antennas
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