Coded Orthogonal Time Frequency Space Modulation

被引：0
|
作者：
LIU Mengmeng [1 ]
LI Shuangyang [2 ]
ZHANG Chunqiong [1 ]
WANG Boyu [1 ]
BAI Baoming [1 ]
机构：
[1] State Key Laboratory of Integrated Service Networks, Xidian University
[2] School of Electrical Engineering and Telecommunications, University of New South Wales
来源：
ZTE Communications | 2021年 / 19卷 / 04期
基金：
中国国家自然科学基金; 国家重点研发计划;
关键词：
D O I：
暂无
中图分类号：
TN929.5 [移动通信]; TN761 [调制技术与调制器];
学科分类号：
080402 ; 080902 ; 080904 ; 0810 ; 081001 ;
摘要：
Orthogonal time frequency space(OTFS) modulation is a novel two-dimensional modulation scheme for high-Doppler fading scenarios, which is implemented in the delayDoppler(DD) domain. In time and frequency selective channels, OTFS modulation is more robust than the popular orthogonal frequency division multiplexing(OFDM) modulation technique. To further improve transmission reliability, some channel coding schemes are used in the OTFS modulation system. In this paper, the coded OTFS modulation system is considered and introduced in detail. Furthermore, the performance of the uncoded/coded OTFS system and OFDM system is analyzed with different relative speeds, modulation schemes, and iterations. Simulation results show that the OTFS system has the potential of full diversity gain and better robustness under high mobility scenarios.
引用
收藏
页码：54 / 62
页数：9
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