Parallel and successive interference cancellation for MC-CDMA and their near-far resistance

被引：7
|
作者：
Benvenuto, N [1 ]
Bisaglia, P [1 ]
机构：
[1] Univ Padua, Dipartimento Ingn Informaz, I-35131 Padua, Italy
来源：
2003 IEEE 58TH VEHICULAR TECHNOLOGY CONFERENCE, VOLS1-5, PROCEEDINGS | 2003年
关键词：
MC-CDMA; parallel IC; successive IC; downlink; uplink;
D O I：
10.1109/VETECF.2003.1285180
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：
Recently, multi-carrier code division multiple access (MC-CDMA) systems have been considered as potential candidates for next generation (4G) technology. Within this context, due to their good compromise between complexity and performance, multi-user interference cancellation (IC) techniques, have been proposed as an effective solution in the receiver design, both for downlink and uplink transmissions; nevertheless actual results are far from being exhaustive. In this paper a performance comparison of parallel (PIC) and successive (SIC) IC techniques is presented, investigating also the influence of user power levels in a near-far environment, under dispersive channel conditions. The impact of the choice of the single-user detection (SUD) technique used in PIC and SIC receivers is also considered. Moreover, results are presented for convolutionally-coded systems, decoded by both hard and soft-input decoding methods.
引用
收藏
页码：1045 / 1049
页数：5
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