Time-frequency code for multicarrier DS-CDMA systems

被引：0
|
作者：
Wang, Y [1 ]
Gao, L [1 ]
Zhao, M [1 ]
Chen, J [1 ]
Zhang, ZP [1 ]
Yao, Y [1 ]
机构：
[1] Tsinghua Univ, Sate Key Lab Microwave & Digital Commun, Beijing 100084, Peoples R China
来源：
IEEE 55TH VEHICULAR TECHNOLOGY CONFERENCE, VTC SPRING 2002, VOLS 1-4, PROCEEDINGS | 2002年
关键词：
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A novel trellis coded modulation scheme for multicarrier DS-CDMA system is studied in this paper. Based on the concept of transmission diversity in time-frequency domain, we proposed the code design criterion that includes diversity gain and coding gain. In terms of the proposed criterion, we can search for codes that have larger coding gain while keeping the maximum diversity. Results show that the bit error rate performance of the system with the novel trellis coded modulation is much better than that of traditional system while not occupying additional spectral bandwidth.
引用
收藏
页码：1224 / 1227
页数：4
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