Channel Uncertainty for AF Wireless Distributed Relay Networks under Power Constraint

被引:0
|
作者
Lee, Kanghee [1 ]
Kwon, Hyuck M. [1 ]
Yang, Jie [1 ]
Sawan, Edwin M. [1 ]
Park, Hyuncheol [2 ]
机构
[1] Wichita State Univ, Dept Elect Engn & Comp Sci, Wichita, KS 67260 USA
[2] Korea Adv Inst Sci & Technol, Dept Elect Engn, Daejeon 305701, South Korea
关键词
AF; MMSE; ZE; NW; channel uncertainty (CU); power constraint;
D O I
暂无
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
This paper presents optimum relay amplifying matrices (or vectors) using the minimum mean square error (MMSE), maximum signal-to-noise ratio (SNR), zero-forcing (ZF), and matched-filter (MF) criteria for an amplify-and-forward (AF) wireless distributed relay network with a one-source-one-destination pair and N-relay under the global power constraint (GPC) at the relays in a channel uncertainty (CU) environment. In addition, the local power constraint (LPC) at the relays is also considered for the MMSE criterion. With the derived optimum amplifying relay matrices, cost function and SNR behaviors, achievable rate, and relay selection scheme in the CU environment will be investigated theoretically and evaluated numerically.
引用
收藏
页码:2898 / 2903
页数:6
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