Differential modulated OFDM system for HF communications

Differential modulated OFDM system for HF communications
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用于高频通信的差分调制 OFDM 系统

DOI:
10.1109/wcsp.2009.5371752
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发表时间:
2009
期刊:
2009 International Conference on Wireless Communications & Signal Processing
影响因子:
--
通讯作者:
Lenan Wu
Lenan Wu
中科院分区:
--
文献类型:
--
作者:
Linning Peng;J. Pan;Lenan Wu

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短波信道中的信号受到时延扩展、时变干扰和加性高斯噪声的影响。分析了OFDM系统中两种差分调制方式FDDD和TDDD的性能。通过分析和仿真,给出了子载波带宽与误码率之间的关系,表明子载波带宽的选择对短波通信性能有很大的影响。
Signals in HF radio channels are suffered from the effect of delay spread, time-varying interference and additive Gaussian noise. The performances of two differential modulation methods FDDD and TDDD for OFDM system are analyzed in this paper. By analysis and simulations, the relationship of the subcarrier bandwidth and BER is demonstrated, which shows that the selection of optimal subcarrier bandwidth contributes largely to the performance of HF communications.
DOI: --
发表时间: 1999-12
期刊: --
影响因子: --
作者:
R. V. Nee;R. Prasad
通讯作者: R. V. Nee;R. Prasad