空时旋转不变性编码技术及其频率选择性信道盲估计方法

吴晓军; 李星; 王继龙; 张金祥

空时旋转不变性编码技术及其频率选择性信道盲估计方法

吴晓军^{①②;李星},
李星,
王继龙,
张金祥

计量
- 文章访问数: 2294
- HTML全文浏览量: 102
- PDF下载量: 574
- 被引次数: 0
出版历程
- 收稿日期: 2004-06-04
- 修回日期: 2004-08-26
- 刊出日期: 2005-12-19

Space-Time Rotational-Invariance Coding Technique and Corresponding Blind Estimation Scheme of Frequency-Selective Channels

摘要

摘要: 针对处于频率选择性衰落环境中的垂直型贝尔实验室分层空时(Vertical Bell iabs LAyered Space-Time，V-BLAST)结构，该文首先对其进行联合空时符号分组，然后提出了一种新颖的空时旋转不变性编码技术(Space-Time Rotational-Invariance Coding Technique，STRICT)。通过巧妙利用上述编码技术中的旋转不变性性质，该文继续为V-BLAST结构提出了一种多输入多输出(Multiple-Input Multiple-Output，MIMO)频率选择性无线信道的盲估计方法。仿真结果表明了该文新颖STRICT的有效性及其信道盲估计方法的性能。
- 频率选择性; 多输入多输出;信道盲估计
Abstract: This paper firstly addresses the joint space-time symbol block for the Vertical Bell labs LAyered Space-Time (V-BLAST) architecture under the frequency-selective fading environment. Successively, one novel Space-Time Rotational-Invariance Coding Technique (STRICT) is proposed for the V-BLAST architecture. By elegantly exploiting the above introduced rotational-invariance property, one blind estimation scheme of the Multiple-Input Multiple-Output (MIMO) frequency-selective wireless channels is derived for the V-BLAST architecture. Extensive simulation results demonstrate both the validity of the novel STRICT and the performance of the blind estimation scheme of frequency-selective channels.

HTML全文

参考文献(1)

Wolniansky P W, Foschini G J, Golden G D, et al.. V-BLAST: An architecture for realizing very high data rates over the rich-scattering wireless channel. IEEE ISSSE'98, Pisa, Italy, September 1998, 1: 295-300.[2]Driessen P F, Foschini G J. On the capacity formula for multiple input-multiple output wireless channels: A geometric interpretation[J].IEEE Trans. on Commun.1999,47(2):173-176[3]Foschini G J, Gans M J. On limits of wireless communications in a fading environment when using multiple antennas[J].Wireless Personal Commun.1998, 6(3):311-335[4]Foschini G J, Golden G D, Valenzuela R A, et al.. Simplified processing for high spectral efficiency wireless communication employing multi-element arrays[J].IEEE J. on Select. Areas Commun.1999, 17(11):1841-1852[5]So D K C, Cheng R S. Detection techniques for V-BLAST in frequency selective fading channels[J].IEEE WCNC02, Orlando, USA, March.2002, 1:487-491[6]So D K C, Cheng R S. Layered maximum likelihood detection for V-BLAST in frequency selective fading channels[J].IEEE VTC02 Spring, Birmingham, USA, May.2002, 1:135-139[7]Wu Xiaojun, Yin Qinye, Zhang Jianguo, et al.. Time-domain multiuser detection for MC-CDMA systems without cyclic prefix[J].IEEE ICC02, New York, USA, May.2002, 2:921-925[8]吴晓军, 殷勤业, 邓科. 带有块间串扰的多载波码分多址系统的时域信道估计和多用户检测. 通信学报, 2003, 24(2): 10-17.[9]Alamouti S M. A simple transmit diversity technique for wireless communications. IEEE J. on Select. Areas Commun., 1998, (16)8: 1451-1458.[10]赵铮, 殷勤业, 张建国. 基于旋转不变性子空间的垂直分层空时码. 西安交通大学学报, 2003, 37(4): 384-387, 395.[11]殷勤业, 邹理和, Newcomb R W. 一种高分辨率二维信号参数[12]估计方法波达方向矩阵法. 通信学报, 1991, 12(4): 1-7.[13]Wu Xiaojun, Feng Aigang, Yin Qinye. Blind space-frequency channel estimator for MC-CDMA systems with antenna arrays in frequency-selective fading environment[J].IEEE VTC02 Fall, Atlantic City, USA, October.2001, 4:2173-2177[14]Wu Xiaojun, Yin Qinye, Zhao Zheng, et al.. Spatial-frequency channel and DOA joint blind estimator for MC-CDMA systems[J].Journal of Electronics (China.2002, 19(3):225-232[15]van der Veen A J, Vanderveen M C, Paulraj A. Joint angle and delay estimation using shift-invariance techniques. IEEE Trans. on Signal Processing,1998, 42(2): 405-418.

施引文献

资源附件(0)

访问统计