联合功率分配的全双工MIMO中继最小速率优化

doi:10.3969/j.issn.1001-2400.2018.02.018

Abstract

Abstract:

This paper aims at maximizing the end-to-end rate of the full-duplex Multiple-Input Multiple-Output (MIMO) relay system suffering from channel estimation errors and the limited dynamic range (LDR) of electronic components in the RF chain. The problem of rate maximization is formulated as a weighted sum-rate optimization problem and we propose a joint power allocation (JPA) algorithm to solve it. Allowing the system to allocate power based on the channel state information (CSI), JPA is able to jointly optimize the pre-coding matrices of the source node and the relay node. Simulation results reveal that the JPA algorithm outperforms the traditional algorithms associated with individual power constraints.

Key words: channel estimation, limited dynamic range, full-duplex;MIMO system, power allocation

SUN Yanjing;LIU Wen;CAO Qi;WANG Xiaolin;ZHOU Shu;LI Song. Minimum rate optimization with joint power allocation for full-duplex MIMO relay[J].Journal of Xidian University, 2018, 45(2): 103-109.

References

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Minimum rate optimization with joint power allocation for full-duplex MIMO relay

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