期刊文献+
任意字段
题名或关键词
题名
关键词
文摘
作者
第一作者
机构
刊名
分类号
参考文献
作者简介
基金资助
栏目信息

非正交选择译码转发协同 被引量：2

Non-orthogonal Decode-and-forward Cooperation with Selection Relays
在线阅读 下载PDF
导出
摘要 为了提高两跳中继网络的传输速率和协同分集增益,该文提出一种非正交的选择译码转发策略传输数据。单节点协同时,协同节点仅在正确译码时采用和发送节点非正交的时序转发;在多节点协同时,采用一种节点选择算法选择译码正确且信道条件最佳的节点用于非正交转发。这种协同策略可获得和非正交放大转发相同的分集复用折衷性能,但其实现更简单,且在低信噪比时中断性能更好。 A non-orthogonai decode-and-forward scheme with relay selection is proposed in order to achieve higher spectral efficiency and more cooperative diversity gain in the two-hop relay networks. In the single relay case, the relay node is available to cooperate non-orthogonally with the source node only if it can decode correctly. When there are multiple nodes in the network, a relay selection method is given to select the best relay which decodes correctly and has the best channel to destination. Asymptotic analysis of outage probability shows that the scheme with relay selection achieves the same diversity-multiplexing tradeoff as the non-orthogonal amplify-and-forward scheme, but it obtains more outage capacity at lower SNR and is easier to implement.
作者 张勇 徐友云 蔡跃明
机构地区 解放军理工大学通信工程学院
出处 《电子与信息学报》 EI CSCD 北大核心 2008年第9期2198-2202,共5页 Journal of Electronics & Information Technology
基金 国家自然科学基金(60672079) 江苏省自然科学基金(BK2006701资助课题
关键词 无线通信 非正交译码转发 分集复用折衷 节点选择 Wireless communication Non-orthogonal decode-and-forward Diversity-multiplexing tradeoff Node selection
分类号 TN92 [电子电信—通信与信息系统]
  • 相关文献

参考文献10

  • 1Laneman J N and Wornell G W. Distributed space-time-coded protocols for exploiting cooperative diversity in wireless network. IEEE Trans. on Inform. Theory, 2003, 49(10): 2415-2425.
  • 2Laneman J N, Tse D N C, and Wornell G W. Cooperative diversity in wireless networks: efficient protocols and outage behavior. IEEE Trans. on Inform. Theory, 2004, 50(12): 3062 -3080.
  • 3Gerhard K, Michael G, and Piyush G. Cooperative strategies and capacity theorems for relay network. IEEE Trans. on Inform. Theory, 2005, 51(9): 3037-3063.
  • 4Zheng L and Tse D N C. Diversity and multiplexing: A fundamental tradeoff in multiple-antenna channels. IEEE Trans. on Inform. Theory, 2003, 49(5): 1073-1096.
  • 5Azarian K, Gamal H E, and Schniter P. On the achievable diversity-multiplexing tradeoff in half duplex cooperative channels. IEEE Trans. on Inform,. Theory, 2005, 51(12): 4152 -4172.
  • 6Yang S and Belfiore J C. Towards the optimal amplify-and- forward cooperative diversity scheme. IEEE Trans. on In.form. Theory, 2007, 53(9): 3114-3126.
  • 7Yang S and Belfiore J C. Optimal space-time codes for the MIMO amplify-and-forward cooperative channels. IEEE Trans. on Inform. Theory, 2007, 53(2): 647-663.
  • 8Bletsas A, Khisti A, and Reed D P, et al.. A simple cooperative diversity method based on network path selection. IEEE J. on Selected Areas in Communication, 2006, 24(3): 659-672.
  • 9Nabar R U, Bolcskei H, and Kneubuhler F W. Fading relay channels: performance limits and space-time signal design. IEEE J. on Selected Areas in Communication, 2004, 22(6): 1099-1109.
  • 10Wang T, Cano A, and Giannakis G B, et al.. High-performance cooperative demodulation with decode- and-forward relays. IEEE Trans. on Communication, 2006, 55(7): 1427-1438.

同被引文献11

  • 1ZHENGLI-ZHONG, TSE D N C. Diversity and multiplexing: a fun- damental tradeoff in multiple-antenna channels [ J]. IEEE Transac- tions on Information Theory, 2003, 49(5) : 1073 - 1096.
  • 2MA YI, TAFAZOLLI R, ZHANG YUAN-YUAN, et al. Adaptive modulation for opportunistic decode-and-forward relaying [ J]. IEEE Transactions on Wireless Communications, 2011, 10(7): 2017-2022.
  • 3LEE D, LEE J H. Outage probability of decode-and-forward oppor- tunistic relaying in a multieell environment [ J]. IEEE Transactions on Vehicular Technology, 2011, 60(4) : 1925 - 1930.
  • 4SURAWEERA H A, SMITH P J, NALLANATHAN A, et al. Am- plify-and-forward relaying with optimal and suboptimal transmit an- tenna selection [ J]. IEEE Transactions on Wireless Communica- tions, 2011, 10(6) : 1874 - 1885.
  • 5HAGHIGHI A A, NAVAIE K. Outage analysis and diversity-multi- plexing tradeoff bounds for opportunistic relaying coded cooperation and distributed space-time coding coded cooperation [ J]. IEEE Transactions on Wireless Communications, 2010, 9(3): 1198 - 1206.
  • 6RANKOV B, WITYNEBEN A. Spectral efficient protocols for half- duplex fading relay channels [ J]. IEEE Journal on Selected Areas in Communications, 2007, 25(2) : 379 - 389.
  • 7WICAKSANA H, TINGS H, HO C K, et al. AF two-path half du- plex relaying with inter-relay self interference cancellation: diversity analysis and its improvement [ J]. IEEE Transactions on Wireless Communications, 2009, 8(9): 4720-4729.
  • 8WICAKSANA H, TINGS H, GUAN Y L, et al. Decode-and-for- ward two-path half-duplex relaying: diversity-multiplexing tradeoff a- nalysis[ J]. IEEE Transactions on Communications, 2011, 59 (7) : 1985 - 1994.
  • 9TIAN FENG, ZHANG WEI, MA WING-KIN, et al. An effective distributed space-time code for two-path successive relay network [ J]. IEEE Transactions on Communications, 2011, 59(8) : 2254 - 2262.
  • 10LUO C, GONG Y, ZHENG F. Full interference cancellation for two-path relay cooperative networks[ J]. IEEE Transactions on Ve- hicular Technology, 2011, 60(1) : 343 -347.

引证文献2

二级引证文献1

电子与信息学报
2008年 第9期

相关作者

内容加载中请稍等...

相关机构

内容加载中请稍等...

相关主题

内容加载中请稍等...

浏览历史

内容加载中请稍等...
;
使用帮助 返回顶部