New Algorithm for Time and Frequency Synchronization in MIMO-OFDM Systems

Singh Sandeep Kumar; Rathkanthiwar Anagha P.; Gandhi Abhay S.

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New Algorithm for Time and Frequency Synchronization in MIMO-OFDM Systems

机译：MIMO-OFDM系统中的时间和频率同步算法

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摘要

This paper addresses the problem of time and frequency synchronization in MIMO-OFDM systems, which are extremely sensitive to these errors. A preamble based algorithm is proposed for the estimation of synchronization errors. Product of autocorrelation function and cross correlation function is used for symbol timing offset estimation which reduces the uncertainty in timing estimation due to timing metric plateau. Phase difference between two identical parts of the preamble is used for carrier frequency offset estimation. Simulation results are presented to validate the performance of the algorithm.

机译：本文解决了MIMO-OFDM系统中的时间和频率同步问题，这对这些错误非常敏感。提出了一种基于前导的算法，用于估计同步错误。自相关函数和交叉相关函数的乘积用于符号定时偏移估计，这减少了由于定时度量高原引起的定时估计的不确定性。前导码的两个相同部分之间的相位差用于载波频率偏移估计。提出了仿真结果以验证算法的性能。

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来源
《Wireless personal communications: An Internaional Journal》 |2017年第3期|共13页
作者
Singh Sandeep Kumar; Rathkanthiwar Anagha P.; Gandhi Abhay S.;
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作者单位

Visvesvaraya Natl Inst Technol Dept Elect &

Commun Engn Nagpur Maharashtra India;

Priyadarshini Coll Engn Dept Elect Engn Nagpur Maharashtra India;

Visvesvaraya Natl Inst Technol Dept Elect &

Commun Engn Nagpur Maharashtra India;

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原文格式 PDF
正文语种 eng
中图分类无线通信;
关键词
MIMO-OFDM; OFDM synchronization; Timing synchronization; Carrier frequency offset; Frequency synchronization;

机译：MIMO-OFDM;OFDM同步;定时同步;载波频率偏移;频率同步;

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专利

1. New Algorithm for Time and Frequency Synchronization in MIMO-OFDM Systems [J] . Singh Sandeep Kumar, Rathkanthiwar Anagha P., Gandhi Abhay S. Wireless personal communications: An Internaional Journal . 2017,第3期

机译：MIMO-OFDM系统中的时间和频率同步算法
2. Frequency Synchronization Algorithms for MIMO-OFDM Systems with Periodic Preambles [J] . JianSun, FudongLi, Cheng-XiangWang, International Journal of Distributed Sensor Networks . 2014,第3期

机译：具有周期前同步码的MIMO-OFDM系统的频率同步算法
3. A New Timing and Frequency Synchronization Algorithm for Distributed MIMO-OFDM Systems [J] . Luo Renze, Yang Jiao, Li Rui, Wireless personal communications: An Internaional Journal . 2015,第3期

机译：分布式MIMO-OFDM系统的新型定时与频率同步算法。
4. ML Time Synchronization Algorithm Joint with Channel Estimation for MIMO-OFDM Systems in Frequency Selective Fading Channel [C] . Amir Saemi, Vahid Meghdadi, Jean-Pierre Cances, International Symposium on Communication Systems, Networks and Digital Signal Processing . 2006

机译：ML时间同步算法关节与频率选择性衰落通道中MIMO-OFDM系统的信道估计
5. Issues on broadband wireless communication systems: Channel estimation, frequency synchronization and space -time -frequency coding [D] . Zhang, Wei 2005

机译：宽带无线通信系统的问题：信道估计，频率同步和空时频编码
6. Optimization of Time Synchronization and Algorithms with TDOA Based Indoor Positioning Technique for Internet of Things [O] . Kun Zhao, Tiantian Zhao, Zhengqi Zheng, 2020

机译：基于TDOA的TDOA室内定位技术的时间同步和算法优化
7. Frequency Synchronization Algorithms for MIMO-OFDM Systems with Periodic Preambles [O] . Jian Sun, Fudong Li, Cheng-Xiang Wang, 2014

机译：具有周期前导码的MIMO-OFDM系统的频率同步算法

New Algorithm for Time and Frequency Synchronization in MIMO-OFDM Systems

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