Optimal time allocation for two-way relay channel using physical-layer network coding

被引：3
|
作者：
Cho, Dae-Soon [1 ,2 ]
Shim, Yeonggyu [3 ]
Park, Hyuncheol [3 ]
机构：
[1] Korea Adv Inst Sci & Technol, Dept Informat & Commun Engn, Taejon 305701, South Korea
[2] ETRI, Taejon 305700, South Korea
[3] Korea Adv Inst Sci & Technol, Dept Elect Engn, Taejon 305701, South Korea
来源：
IET COMMUNICATIONS | 2014年 / 8卷 / 14期
关键词：
PROTOCOLS;
D O I：
10.1049/iet-com.2014.0253
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 study proposes an optimal time allocation scheme for two-way relay channel (TWRC) using the physical-layer network coding (PNC). In other words, this study analytically determines the optimal transmit time durations for the first and the second time slot, which maximise the achievable sum rate under a sum time constraint for a given squared magnitude of the channel coefficients and transmit power values. Numerical results show that the achievable sum rate for the proposed optimal time allocation is greater than or equal to that for equal time allocation.
引用
收藏
页码：2469 / 2475
页数：7
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