Multi-rate MC-DS-CDMA with multiuser detections for wireless multimedia communications

被引：0
|
作者：
Fu, PW [1 ]
Chen, KC [1 ]
机构：
[1] Natl Taiwan Univ, Grad Inst Commun Engn, Coll EECS, Taipei 10764, Taiwan
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：
In this paper, we study the multi-rate transmission for MC-DS-CDMA systems based on the concepts of multi-code (MC) access and variable-spreading-length (VSL) code access. The general system model is derived for multi-rate MC-DS-CDMA systems of either multi-rate access and multiuser detections (MUD) are proposed thereof. We analyze the characteristics of multi-rate MC-DS-CDMA signals and investigate the behaviors of MUDs. Compared studies and simulations among the proposed MUDs and access methods suggest VSL-code access with the proposed LMMSE detection to multi-rate MC-DS-CDMA systems, especially for transceiving high-rate users.
引用
收藏
页码：1536 / 1540
页数：5
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