Linear Equalization for Multicode MC-CDMA Downlink Channels

被引：11
|
作者：
Rugini, Luca [1 ]
机构：
[1] Univ Perugia, DIEI, I-06125 Perugia, Italy
来源：
IEEE COMMUNICATIONS LETTERS | 2012年 / 16卷 / 09期
关键词：
Downlink; equalization; multicarrier code-division multiple access (MC-CDMA); multicode; multirate; RAYLEIGH-FADING CHANNELS; MULTICARRIER CDMA; GUARD INTERVAL; PERFORMANCE; SYSTEMS; MMSEC;
D O I：
10.1109/LCOMM.2012.071612.120933
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
We investigate multirate multicarrier code-division multiple-access (MC-CDMA) downlink systems with multicode transmission. Specifically, we design a new linear equalizer that outperforms the minimum mean-squared error (MMSE) percarrier equalizer, without requiring the spreading codes of the interfering users. The complexity of this new linear equalizer is similar to that of the MMSE per-user equalizer, which however needs the spreading codes of the interfering users. Simulation results validate the effectiveness of the proposed equalizer, especially when there are few interfering users.
引用
收藏
页码：1353 / 1356
页数：4
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