基于加权分数傅立叶变换的混合载波码分多址多天线系统

吉林大学学报(工学版) ›› 2013, Vol. 43 ›› Issue (01): 218-222.

基于加权分数傅立叶变换的混合载波码分多址多天线系统

邱昕, 沙学军, 梅林

哈尔滨工业大学通信技术研究所, 哈尔滨 150080

收稿日期:2011-11-28 出版日期:2013-01-01 发布日期:2013-01-01
通讯作者: 沙学军(1966-),男,教授,博士生导师.研究方向:变换域通信系统,adhoc传感器网络.E-mail:shaxuejun@hit.edu.cn E-mail:shaxuejun@hit.edu.cn
作者简介:邱昕(1984-),女,博士研究生.研究方向:变换域通信系统.E-mail:qiuxin100@163.com
基金资助:
国家自然科学基金项目(61171110).

Hybrid carrier CDMA multi-antenna system based on weighted-type fractional Fourier transform

QIU Xin, SHA Xue-jun, MEI Lin

Communication Research Center, Harbin Institute of Technology, Harbin 150080, China

Received:2011-11-28 Online:2013-01-01 Published:2013-01-01

摘要/Abstract

摘要： 为实现与现有码分多址(CDMA)多天线系统的兼容,提出了一种基于加权分数傅立叶变换的混合载波CDMA多天线系统。本系统在某阶分数傅立叶变换域上采用CDMA技术对发送信号进行序列扩展,对扩展后的信号进行空时分组编码后将信号映射到对应的天线端口上去。通过选择特定的参数,本系统可以转换为单载波或多载波CDMA多天线系统。同时,本系统与现有的单载波和多载波系统相比,信号能量分布更为均匀,从而可以有效地抵抗信道衰落,取得更优的系统误码性能。

关键词: 通信技术, 混合载波, 加权分数傅立叶变换, 码分多址, 多天线

Abstract: This paper proposes a hybrid carrier Code Division Multiple Access (CDMA) multi-antenna system based on weighted-type fractional Fourier transform to improve the compatibility of existing systems. In this system, CDMA technique is applied in a certain fractional Fourier transform domain, and the signals after spreading are coded by space-time block coding and mapped to the corresponding antenna ports. The proposed system can switch single carrier or multi-carrier CDMA multi-antenna system under specific selected condition. Moreover, the signal energy distribution of the hybrid carrier system is more uniform compared to the single carrier or multi-carrier system, which can resist channel fading effectively, resulting in better system performance.

Key words: communication, hybrid carrier, weighted-type fractional Fourier transform, code division multiple access, multi-antenna

中图分类号:

TN914

邱昕, 沙学军, 梅林. 基于加权分数傅立叶变换的混合载波码分多址多天线系统[J]. 吉林大学学报(工学版), 2013, 43(01): 218-222.

QIU Xin, SHA Xue-jun, MEI Lin. Hybrid carrier CDMA multi-antenna system based on weighted-type fractional Fourier transform[J]. 吉林大学学报(工学版), 2013, 43(01): 218-222.

参考文献

[1] ETSI TS 136 213 V10.0.1[S]. 2011: 22-41.

[2] Lodhi A, Said F, Dohler M, et al. Performance comparison of space-time block coded and cyclic delay diversity MC-CDMA systems[J]. IEEE Wireless Communications, 2005, 12(2): 38-45.

[3] Phasouliotis A, So D. Performance analysis and comparison of downlink MIMO MC-CDMA and MIMO OFDMA systems//IEEE 69th Vehicular Technology Conference, Barcelona, Spain, 2009.

[4] Phrompichai S, Yuvapoositanon P. A chip semiblind receiver for STBC downlink MC-CDMA systems without cyclic prefix//Proceedings of 50th Midwest Symposium on Circuits and Systems. Montreal, QC, Canada, 2007: 333-336.

[5] Han J, Paichard Y. Performance analysis for MIMO MC-CDMA systems with imperfect channel estimation//International Conference on Wireless Communications and Signal Processing, Nanjing, China, 2009.

[6] Kaiser S. Space frequency block coding in the uplink of broadband MC-CDMA mobile radio systems with pre-equalization//Proceedings of IEEE Vehicular Technology Conference, Orlando, FL, United States, 2003:1757-1761.

[7] Mei L, Sha X J, Zhang N T. The approach to carrier scheme convergence based on 4-weighted fractional Fourier transform[J]. IEEE Communications Letters, 2010(14): 503-505.

[8] Li T, Wu X L, Mei L, et al. Performance analysis of 4-WFRFT based carrier modulations under burst interference[J]. Advanced Materials Research, 2011, 171/172: 500-503.

[9] Mei L, Sha X J, Zhang Q Y, et al. The concepts of hybrid-carrier scheme communication system//The 6th International ICST Conference on Communications and Networking in China, Harbin, China, 2011.

[10] Shih C C. Fractionalization of Fourier transform[J]. Optics Communications, 1995, 118(5/6): 495-498.

[11] 梅林, 沙学军, 冉启文, 等. 四项加权分数Fourier变换在通信系统中的应用研究[J]. 中国科学:信息科学,2010(5): 732-741. Mei Lin, Sha Xue-jun, Ran Qi-wen, et al. Research on the application of 4-weighted fractional Fourier transform in communication system[J]. Science China (Information Sciences),2010(5): 732-741.

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