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Probabilistic Limited Feedback Precoding in MIMO Interference Channels
- Authors
- Lee, Jong-Ho
- Issue Date
- Dec-2012
- Publisher
- IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
- Keywords
- Multiple-input multiple-output (MIMO); interference channel; precoding; limited feedback
- Citation
- IEEE COMMUNICATIONS LETTERS, v.16, no.12, pp.1964 - 1967
- Journal Title
- IEEE COMMUNICATIONS LETTERS
- Volume
- 16
- Number
- 12
- Start Page
- 1964
- End Page
- 1967
- ISSN
- 1089-7798
- Abstract
- In this letter, we consider a probabilistic limited feedback precoding in MIMO interference channels. The probabilistic use of precoders in the codebook is modeled as a mixed strategy in a nonzero-sum game. The sum rate of mixed strategy Nash equilibrium (NE) and the maximum achievable sum rate of the probabilistic limited feedback precoding are derived in a two-user MIMO interference channel. For a distributed realization of probabilistic limited feedback precoding, we also propose a distributed limited feedback precoding scheme for use in K-user MIMO interference channels.
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