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Finite Rate Feedback Design for Multiple Transmit Antennas

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Title: Finite Rate Feedback Design for Multiple Transmit Antennas
Author: Mukkavilli, Krishna Kiran; Sabharwal, Ashutosh; Aazhang, Behnaam
Type: Conference Paper
Keywords: Feedback; MIMO; Beamforming; Transmit diversity; Outage probability
Citation: K. K. Mukkavilli, A. Sabharwal and B. Aazhang,"Finite Rate Feedback Design for Multiple Transmit Antennas," in Allerton Conference on Communication, Control and Computing,
Abstract: Many practical systems employ a feedback channel to convey the channel state information to the transmitter.The capacity of the feedback channels is usually limited to a few bits per frame. We design feedback based transmission schemes for multiple transmit antenna systems in this work. The important contribution of this work is a design criterion for the construction of optimal beamformers with a constraint on the rate of the feedback channel. Beamforming schemes also lead to reduced complexity compared to space time coding schemes at the cost of a few bits of feedback.
Date Published: 2002-10-20

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  • ECE Publications [1082 items]
    Publications by Rice University Electrical and Computer Engineering faculty and graduate students