Multi-antenna downlink broadcast using compressed-sensed medium access
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(Published version)
Date
2010
Authors
Davis, L.M.
Hanly, S.V.
Tune, P.
Bhaskaran, S.R.
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Conference paper
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2010 IEEE International Conference on Communications, 2010, pp.1-5
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2010 IEEE International Conference on Communications (ICC) (23 May 2010 - 27 May 2010 : Cape Town, South Africa)
Abstract
In this paper, we propose a method for user selection and channel estimation using compressed sensing. In particular, we consider a multiple-input multiple-output (MIMO) downlink broadcast scenario. We establish that full channel state information (and not just channel quality) for each self-selecting user can be obtained at the basestation via compressed sensing with no increase in overhead for the uplink feedback channel. We demonstrate the new method as a medium access technique for MIMO downlink broadcast with transmitter precoding and linear receiver processing
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Copyright 2010 IEEE