Channel capacity of multiple antenna systems with interference and covariance feedback
- Publication Type:
- Journal Article
- Dianbo Kexue Xuebao/Chinese Journal of Radio Science, 2013, 28 (5), pp. 883 - 890
- Issue Date:
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The optimization of ergodic channel capacity is investigated for multiple-input multiple-output (MIMO) multiple antenna systems with co-channel interference when the covariance feedback is available at the transmitter. An equivalent form of the co-interference component is first derived. Then an optimal capacity estimation algorithm is proposed by performing gradient projection algorithm which is based on nonlinear programming theory. Finally, Monte-Carlo simulation is given. The numerical results show that the performance with the proposed algorithm is close to the optimal one which is obtained by water-filling algorithm when both the interference power and the correlation between antennas are strong. Copyright © 2013 by Editorial Department of Chinese Journal of Radio Science.
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