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This program generates OFDM (Orthogonal Frequency Division Multiplexing) signal and its spectrum. Also the guard interval (GI) is inserted. -This program generates OFDM (Orthogonal Frequency Division Multiplexing) signal and its spectrum. Also the
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This program generates OFDM (Orthogonal Frequency Division Multiplexing) signal and its spectrum. Also the guard interval (GI) is inserted.
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OFDM simulation. It contains the transmission reception scenario. Mainly it evaluates the BER performance under an AWGN channel.In addition it generates the I and Q branch of the the baseband signal and the spectrum as well.
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This is the simulation of a N-continuous OFDM signal with the raised coseine filter. The out-of-band spectrum of this OFDM signal is shown.
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由MATLAB程序产生2Gbi/s的基带OFDM信号先将2^15-1个伪随机序列映射到256个进行4QAM编码调制的子载波上，编码后的OFDM符号再经过IFFT变换将其转换为时域波形，接着添加6.4ns的循环前缀（CP），产生的数据波形再装载到Tektronix任意波形发生器（AWG）中，产生2Gbit/s的基带OFDM信号。基带OFDM信号频谱示意图如图3所示。其中包括256个OFDM子载波256个子载波中200个子信道用来传送数据信号，27个高频和28个低频子信道为了过采样的需要置0，OFD
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In OFDM transmission, all the available subcarriers from the DFT is not used for data transmission. Typically some subcarriers at the edge are left unused to ensure spectrum roll off. For the example scenario, out of the available bandwidth from -10M
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本程序通过分析OFDM信号的循环平稳特性，利用循环谱对OFDM信道进行估计。-This procedure by analyzing the OFDM signal is cyclostationary properties, the use of cyclic spectrum of the OFDM channel estimation.
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可直接运行产生高质量的OFDM信号频谱图形。无需调用其它子程序实现。-Can be run directly produce high-quality OFDM signal spectrum graphics. You do not need to call other subroutines.
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Spectrum Sensing of OFDM signal for Cognitive Radio. Double threshold platform has been used. Autocorrelation of OFDM signal has been used as feature for detection purpose in AWGN channel scenario.
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SNR vs. BER Plot
Spread Spectrum Modulation, BPSK Signal through AWGN Channel
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ofdm system simulation including 16qam modulation fft windowing modules plus cp, Analysis of the signal time domain, frequency domain, cepstrum, cyclic spectrum, etc. MinkowskiMethod algorithm.
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MIMO OFDM matlab simulation, Analysis of the signal time domain, frequency domain, cepstrum, cyclic spectrum, etc. Nonlinear discrete system identification.
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This about OFDM signal and its spectrum ( Guard Interval inse()
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OFDM信号功率谱和频谱的MATLAB实现(Realization of Power Spectrum and Spectrum of OFDM Signal by MATLAB)
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