Performance analysis of asynchronous MC-CDMA systems with a guard period in the form of a cyclic prefix

被引：13
|
作者：
Ko, K [1 ]
Park, M
Hong, D
机构：
[1] Samsung Elect Co Ltd, Telecommun Syst Div, Telecommun Network Business, Gyeonggi Do 442600, South Korea
[2] Univ Texas, Dept Elect & Comp Engn, Wireless Networking & Commun Grp, Austin, TX 78712 USA
[3] Yonsei Univ, Ctr Informat Technol, Informat & Telecommun Lab, Dept Elect & Elect Engn, Seoul 120749, South Korea
来源：
IEEE TRANSACTIONS ON COMMUNICATIONS | 2006年 / 54卷 / 02期
关键词：
asynchronous multicarrier code-division multiple access (MC-DMA); frequency-selective multipath fading channels; guard period (GP);
D O I：
10.1109/TCOMM.2005.863783
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：
This letter presents an analysis of asynchronous multicarrier code-division multiple-access (MC-CDMA) systems with a guard period (GP) in the form of a cyclic prefix over frequency-selective multipath fading channels, which results in closed-form bit-error rate performance. Furthermore, it confirms that the frequency diversity of MC-CDMA systems is identical to the path diversity. The analytical approach proposed here is extended to the case without a GP. The derived analytical results show that a GP is required for MC-CDMA systems in order to mitigate not only the effect of intersymbol interference and intercarrier interference, but also the desired signal power degradation.
引用
收藏
页码：216 / 220
页数：5
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