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...

一种全新的Turbo-MIMO接收机方案

DOI: 10.13190/jbupt.200603.7.hu, PP. 7-12

Keywords: Turbo-MIMO,迭代译码,外部信息,分集增益

Full-Text   Cite this paper   Add to My Lib

Abstract:

为有效克服MIMO中多发送天线引入的空间干扰,结合Turbo编码提出了一种全新和高效的接收机方案。该方案修正了Turbo软迭代译码算法,同步进行干扰检测和Turbo译码,从信息论的角度可以更充分地利用接收的信息。多接收天线可以对判决似然比和迭代译码的外部信息提供分集增益,从而进一步提高系统性能。该方案克服了传统的空时技术,比如STBC(空时分组码)和BLAST(空时层处理)的发送天线、发送时隙以及接收天线间的约束限制。仿真结果从系统性能和迭代参数证实了算法的有效性。

References

[1]  Telatar E. Capacity of Multi-Antenna Gaussion Channels [J]. European Trans Telecommunication, 1999, 10(6): 585-596.
[2]  Tarokh V, Seshadri N, Calderbank A R. Space-time codes for high data rate wireless communication: performance criterion and code construction [J]. IEEE Trans Inform Theory, 1998, 44(2) : 744-765.
[3]  罗涛,刘丹谱,乐光新. Rician衰落下空时分组编码信道的容量[J]. 北京邮电大学学报,2004,27(5):94-98.
[4]  滕勇,罗涛,乐光新,等. 格状编码调制级联空时分组编码的OFDM系统[J]. 北京邮电大学学报,2003,26(3):66-70.
[5]  Foschini G J. Layered space-time architecture for wireless communications in a fading environment when using multiple antennas [J]. Bell Labs Tech J, 1996, 6(2): 41-59.
[6]  Berrou C, Glavieux A, Thitimajshima P. Near Shannon limit error-correcting coding and decoding:turbo codes [A]. In Proceedings of IEEE Int Conf Commun [C], 1993. 1064.
[7]  Hall E K, Wilson S G. Design and analysis of turbo codes on Rayleigh fading channels [J]. IEEE J Select Areas Commun, 1998, 16(2): 160-174.
[8]  Bahl L R, Cocke J, Jelinek F, et al. Optimal decoding of linear codes for minimizing symbol error rate [J]. IEEE Trans Inform Theory, 1974, IT-20: 248-287.
[9]  Simon Haykin, Mathini Sellathurai, et al. Tur-bo-MIMO for wireless communications [J]. IEEE Communications Magazine, 2004, 42(10): 48-53.
[10]  Robertson P, Villebrum E, Huber P. A comparision of optimal and sub-optimal MAP decoding algorithms operating in the log domain [A]. In Proceedings of ICC’95 [C], USA, 1995.1009.
[11]  Foschini G J, Gans M J. On limits of wireless communication in a fading environment when using multiple antennas [J]. Wireless Personal Communication , 1998 , 6(2) :311-335.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133