正交频分复用(OFDM)技术在无线通信过程中的应用分析

2016 10th IEEE International Conference on Anti-counterfeiting, Security, and Identification (ASID) Pub Date : 2016-09-01 DOI:10.1109/ICASID.2016.7873931

Jun Huang, F. Ruan, Ming Su, Xiaohong Yang, Shunli Yao, Junhua Zhang

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引用次数: 9

摘要

无线通信技术的飞速发展在给用户提供更多便利的同时，也伴随着无线通信中严重的干扰问题。在通信过程中，干扰问题的解决变得非常重要。采用正交频分复用(OFDM)技术可以提高传输性能。在MATLAB中利用FFT和IFFT技术实现了信号的加载传输。正交子载波保证了信号的无失真传输。仿真结果表明，串和转换减小了多径效应，符号间干扰(ISI)随着符号周期的延长而减小，实现了信息信号在无线通信信道中的高效、可靠传输。

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Analysis of orthogonal frequency division multiplexing (OFDM) technology in wireless communication process

The rapid development of wireless communication technologye provide users with more convenience but also accompanied serious interference problem in wireless communication. Resolution of interference problem become much important for communication process. Improvement of transmission performance can be reached with technology orthogonal frequency division multiplexing (OFDM). Loading transmission in signal is realized with FFT and IFFT technology in MATLAB. Orthogonal subcarriers ensure signal transmission without distortion. Simulation results show that string and conversion reduce multi-path effect, inter-symbol interference (ISI) decreased with extending symbol period, achieved efficient and reliable transmission of information signals in wireless communication channel.

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来源期刊

2016 10th IEEE International Conference on Anti-counterfeiting, Security, and Identification (ASID)

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