Description: OFDM (Orthogonal Frequency Division Multiplexing) that is orthogonal frequency division multiplexing, OFDM is actually MCM Multi-CarrierModulation, a multi-carrier modulation. The main idea is: The channel is divided into a number of orthogonal sub-channel, high-speed data signal into parallel low-speed data streams, modulated to be transmitted on each subchannel. Quadrature signal at the receiving end can be separated using technologies, which can reduce the mutual interference between ICI subchannels. Signal is less than the bandwidth of each sub-channel coherence bandwidth of the channel, each subchannel can be regarded as flat fading, which can eliminate inter-symbol interference. And because the bandwidth of each subchannel is only a small part of the original channel bandwidth, channel equalization becomes relatively easy.
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员宽OFDM程序\ofdm\BitLoad.m
............\....\campello_algo.m
............\....\channel.m
............\....\chow_algo.m
............\....\ComputeSNR.m
............\....\create_channel.m
............\....\demodulate.m
............\....\ENC16.mat
............\....\ENC2.mat
............\....\ENC256.mat
............\....\ENC4.mat
............\....\ENC64.mat
............\....\EnergyTableInit.m
............\....\fft_cp_rx_blk.m
............\....\ifft_cp_tx_blk.m
............\....\modulate.m
............\....\OFDM.m
............\....\precode.m
............\....\ResolvetheLastBit.m
............\....\shape.m
............\....\SISO_adaptive2.mat
............\....\svd_decompose_channel.m
............\OFDMcode\bmpread.m
............\........\bmpwrite.m
............\........\calcerr.m
............\........\Channel.m
............\........\chanwav.m
............\........\convbase.m
............\........\Corrs11.wav
............\........\Craterla.jpg
............\........\Dc-x.jpg
............\........\findfrm.m
............\........\Fish.bmp
............\........\Fish2.bmp
............\........\Fish3.bmp
............\........\genrand.m
............\........\imagerx.m
............\........\imagetx.m
............\........\imagetx.wav
............\........\rddatatx.m
............\........\rdimage.m
............\........\Readme.txt
............\........\receive.m
............\........\settings.m
............\........\stdmean.m
............\........\subsamp.m
............\........\Transmit.m
............\........\wavwr.m
............\........\wread16.m
............\........\wrimage.m
............\........\zerohold.m
............\OFDM_4qam.m
............\wireless_ofdm.mdl
............\ofdm
............\OFDMcode
员宽OFDM程序
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