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Beamformer Design with Feedback Rate Constraints : Criteria and Constructions

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Title: Beamformer Design with Feedback Rate Constraints : Criteria and Constructions
Author: Mukkavilli, Krishna Kiran; Sabharwal, Ashutosh; Erkip, Elza; Aazhang, Behnaam
Type: Conference Paper
Keywords: Multiple antennas; MIMO systems; beamforming; quantizer; feedback
Citation: K. K. Mukkavilli, A. Sabharwal, E. Erkip and B. Aazhang,"Beamformer Design with Feedback Rate Constraints : Criteria and Constructions," in IEEE Symposium on Information Theory,
Abstract: In this work, we provide a geometrical framework for the analysis and design of beamformer codebooks with finite number of beamformer vectors. We present a design criterion for good beamfomer codebooks and show the equivalence of the beamformer design problem to two other known problems. First, the beamformer design problem can be directly posed as a problem of packing 2 dimensional subspaces in a 2t dimensional Grassmannian manifold, t being the number of transmit antennas. And second, under certain conditions, the beamformer design problem is equivalent to the construction of unitary space time constellations.
Date Published: 2003-07-20

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  • ECE Publications [1030 items]
    Publications by Rice University Electrical and Computer Engineering faculty and graduate students