Optimal power allocation for a relaying scheme based on network coding

被引：0
|
作者：
Ji, Yan-Cheng [1 ]
Ge, Jian-Hua [1 ]
Gao, Yang [1 ]
机构：
[1] State Key Laboratory of Integrated Service Networks, Xidian University, Xi'an 710071, China
来源：
Jilin Daxue Xuebao (Gongxueban)/Journal of Jilin University (Engineering and Technology Edition) | 2011年 / 41卷 / 01期
关键词：
Probability - Phase shift keying - Outages - Signal to noise ratio - Codes (symbols) - Relay control systems;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
A relaying scheme based on network coding was proposed. After investigating the system outage probability with this relaying scheme, an Optimal Power Allocation (OPA) strategy was given. According to the phase characteristic of M-ary Phase-Shift-Keying (MPSK) modulation, network coding and decoding with PSK signal can be directly implemented at the relay node and base station. Through analysis, the upper bound of the outage probability under high Signal-to-Noise Ratio (SNR) was derived. By minimizing the upper bound, an OPA strategy was obtained. Simulation results show that the performance of the proposed scheme is better than that of the traditional one. The system with OPA strategy can achieve significant gains in Symbol Error Rate (SER) performance.
引用
收藏
页码：259 / 263
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