Multicarrier CDMA systems using time-domain and frequency-domain spreading codes

被引：56
|
作者：
You, CW
Hong, DS
机构：
[1] LG Elect Inc, Mobile Commun Technol Grp, CDMA Syst Res Lab, Kyonggi Do 431749, South Korea
[2] Yonsei Univ, Dept Elect Engn, Seoul 120749, South Korea
来源：
IEEE TRANSACTIONS ON COMMUNICATIONS | 2003年 / 51卷 / 01期
关键词：
frequency-domain spreading; multicarrier code-division multiple-access (CDMA) system; RAKE receiver; time-domain spreading;
D O I：
10.1109/TCOMM.2002.807630
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：
For wideband code-division multiple-access systems, this letter introduces a multicarrier modulation scheme that performs the spreading in the time and frequency domains simultaneously. This scheme attains higher flexibility and spectrum efficiency because system parameters can be selected at will. The performance is compared with that of a single carrier RAKE system by calculating the probability of error over a frequency-selective Rayleigh fading channel. The proposed scheme outperforms the single carrier RAKE system if the system parameters are selected properly for given conditions such as bandwidth and delay spread.
引用
收藏
页码：17 / 21
页数：5
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