Spectral Efficiency Comparison of Asynchronous MC-CDMA, MC DS-CDMA and MT-CDMA with Carrier Frequency Offset

被引：2
|
作者：
Ahmed, Junaid [1 ]
机构：
[1] COMSATS Inst Informat Technol, Dept Elect Engn, Islamabad 45550, Pakistan
来源：
ARABIAN JOURNAL FOR SCIENCE AND ENGINEERING | 2019年 / 44卷 / 03期
关键词：
Multicarrier code-division multiple access; Spread spectrum communication; OFDM; Rayleigh channels; PERFORMANCE; DOWNLINK; SYSTEMS;
D O I：
10.1007/s13369-018-3123-4
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
Multicarrier code-division multiple access (MC-CDMA), multicarrier direct-sequence CDMA (MC DS-CDMA) and multitone CDMA (MT-CDMA) are three flavors of spread spectrum multicarrier communications. Multiple access interference, inter-carrier interference, self-interference and noise are the major factors that deteriorate their spectral efficiency. A novel joint analysis of spectral efficiency is presented for asynchronous MC-CDMA, MC DS-CDMA and MT-CDMA in a frequency-selective Rayleigh fading environment. This allows us to compare performance of the three schemes in indoor and outdoor environments in the presence of interferers, carrier frequency offset, multipath fading and noise.
引用
收藏
页码：1833 / 1841
页数：9
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