main(QPSK)
代码说明：
说明： 基于matlab实现OFDM，调制方式为QPSK，可以对信道的状态进行估计(OFDM is realized based on MATLAB, the modulation mode is QPSK, and the channel state can be estimated)
文件列表：
addnoise.m, 297 , 2008-03-04
baseMapping.m, 1778 , 2019-05-13
bitcreate.m, 781 , 2019-05-30
deMapping.m, 3105 , 2019-05-15
demoduqam16.m, 941 , 2019-05-11
DFT_estimation.m, 1461 , 2019-06-02
Ergodic_Capacity_vs_SNR.m, 970 , 2019-05-20
error_count.m, 271 , 2008-02-25
estimation.m, 7083 , 2019-05-20
guard_interval_insert.m, 490 , 2019-05-13
guard_interval_remove.m, 280 , 2019-05-13
insert_pilot.m, 2122 , 2019-05-20
lmmse_estimation.m, 979 , 2019-05-20
lr_lmmse_estimation.m, 1747 , 2009-05-27
ls_estimation.m, 681 , 2019-05-14
main.m, 11428 , 2019-06-02
main_original.m, 11170 , 2019-05-13
mse_DFT.m, 226 , 2019-05-25
mse_lmmse.m, 302 , 2019-05-25
mse_ls.m, 160 , 2019-05-25
multipath_chann.m, 1839 , 2008-03-03
ofdm.m, 1047 , 2019-05-20
plot_astrology.m, 270 , 2019-06-01
Qam_different.m, 613 , 2019-05-07
rayleighnew.m, 1758 , 2008-02-25
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