An opportunistic relaying‐based incremental hybrid DAF cooperative system
An opportunistic relaying‐based incremental hybrid DAF cooperative system
复制标题
DOI：
10.1002/dac.2979
复制
发表时间：
2017-02
影响因子：
2.1
通讯作者：
Zhiquan Bai;Peihao Dong;Shen Gao
中科院分区：
文献类型：
--
作者：
Zhiquan Bai;Peihao Dong;Shen Gao
科普复杂多变的信道环境，提出了一种基于机会中继的增量式混合解码放大转发（OR‐ IHALTH）方案，该方案将鲁棒的协议切换与高效的中继选择相结合.与增量式混合解码放大转发协议相比，所提出的OR-IHALTH方案在增加可能的候选中继节点和机会中继选择的情况下，系统性能得到显著提高。基于概率密度函数和累积分布函数，给出了OR-IHHALF方案的系统中断概率的解析表达式，这可能有助于避免冗长的仿真。数值实验结果表明了理论分析的正确性，并与现有的混合协作协议和基于OR的协作协议进行了比较，证明了OR-IHHALF方案的性能改善.功率分配方案的中断概率的影响也提供了。版权所有© 2015约翰威利父子有限公司.
In this paper, an opportunistic relaying‐based incremental hybrid decode‐amplify‐forward (OR‐IHDAF) scheme that combines robust protocol switch with efficient relay selection is proposed in multi‐relay scenario to cope with the complex and variable channel environments. The proposed OR‐IHDAF scheme can improve the system performance significantly compared with the incremental hybrid decode‐amplify‐forward protocol with the increase of the possible candidate relay nodes and opportunistic relay selection. The analytical expression of the system outage probability of the OR‐IHDAF scheme is presented based on the probability density function and cumulative distribution function, which might be useful to avoid lengthy simulations. Numerical results show the correctness of our theoretical analysis and the performance improvement of the OR‐IHDAF scheme compared with the other current hybrid cooperative protocols and OR‐based cooperative schemes. The effects of the power allocation schemes on the outage probability are also provided. Copyright © 2015 John Wiley & Sons, Ltd.