全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

协作通信中的中继节点选取和功率分配联合优化

DOI: 10.13190/jbupt.200802.68.gaowd, PP. 68-71

Keywords: 协作通信,中继节点选取,功率分配,凸优化

Full-Text   Cite this paper   Add to My Lib

Abstract:

为了优化协作通信系统的性能,提出了一种基于信道容量增益的中继节点选取策略,并在此基础上提出了源节点和中继节点最优功率分配算法。通过采用凸优化的算法,功率在源节点和中继节点间得到了合理的分配。理论分析和仿真验证表明,所提算法能以较低的复杂度显著提高系统性能和功率效率,因而可以有效地用于基于中继传输的协作通信中。

References

[1]  Laneman J N, Tse D N C, Wornell G W. Cooperative diversity in wireless networks: efficient protocols and outage behavior[J]. IEEE Transaction on Information Theory, 2004, 50(12): 3062-3080.
[2]  Sendonaris A, Erkip E, Aazhang B. User cooperation diversity part I: system description[J]. IEEE Transaction on Communication, 2003, 51(11): 1927-1938.
[3]  Laneman J N, Wornell G W. Distributed space-time-coded protocols for exploiting cooperative diversity in wireless networks[J]. IEEE Transaction on Information Theory, 2003, 49(10): 2415-2425.
[4]  Chen Yan, Cheng Peng, Qiu Peiliang, et al. Optimal partner selection strategies in wireless cooperative networks with fixed and variable transmit power//WCNC 2007. Hong Kong: IEEE Press, 2007: 4080-4084.
[5]  Truman Chiu-Yam Ng, Wei Yu. Joint optimization of relay strategies and resource allocations in cooperative cellular networks[J]. IEEE Journal on Selected Areas in Communications, 2007, 25(2): 328-339.
[6]  张静美, 邵春菊, 王莹, 等. 基于不同信道状态信息的两跳中继系统最优功率分配[J]. 北京邮电大学学报, 2004, 28(4): 58-61. Zhang Jingmei, Shao Chunju, Wang Ying, et al. Optimal power allocation for two-hop relaying system with different channel state information[J]. Journal of Beijing University of Posts and Telecommunications, 2004, 28(4): 58-61.
[7]  张静美, 王莹, 张平, 等. 多天线协作传输系统的容量分析与功率分配. 北京邮电大学学报, 2005, 28(5): 11-15. Zhang Jingmei, Wang Ying, Zhang Ping, et al. Capacity analysis and power allocation for multi-antenna cooperative system[J]. Journal of Beijing University of Posts and Telecommunications, 2005, 28(5): 11-15.
[8]  Sreng V, Yanikomeroglu H, Falconer D D. Relayer selection strategies in cellular networks with peer-to-peer relaying//VTC 2003-Fall. Orlando: , 2003: 1949-1953.
[9]  Boyd S, Vandenberghe L. Convex optimization[M]. Cambridge: Cambridge University Press, 2004: 243-249.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133