function?rx_signal?=?channel（tx_signal?cir?sim_options）;

global?sim_consts;

[n_tx_antennas?n_rx_antennas]?=?get_n_antennas（sim_options）;

%?Channel?effect
rx_signal?=?zeros（n_rx_antennas?size（tx_signal2）+size（cir2）-1）;
for?rx_ant?=?1:n_rx_antennas???
???for?tx_ant?=?1:n_tx_antennas
??????rx_signal（rx_ant:）?=?rx_signal（rx_ant:）?+?...
?????????conv（tx_signal（tx_ant:）?cir（（rx_ant-1）*n_tx_antennas+tx_ant:））;
???end
end

len?=?size（rx_signal?2）;

%?Add?noise
%?calculate?noise?variance
%?64/52?scale?factor?normalizes?the?noise?with?the?used?subcarrier?number
noise_var?=?64/52/（10^（sim_options.SNR/10））/2;

noise?=?sqrt（noise_var）?*?（randn（n_rx_antennas?len）?+?j*randn（n_rx_antennas?len））;

extra_noise?=?sqrt（noise_var）?*?（randn（n_rx_antennassim_consts.Ext

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件????????1346??2020-12-01?18:46??802.11a?OFDM?MATLAB\channel.m
?????文件?????????400??2020-12-01?18:46??802.11a?OFDM?MATLAB\create_freq_offset.m
?????文件?????????380??2020-12-01?18:46??802.11a?OFDM?MATLAB\get_bits_per_symbol.m
?????文件????????1045??2020-12-01?18:46??802.11a?OFDM?MATLAB\get_channel_ir.m
?????文件?????????245??2020-12-01?18:46??802.11a?OFDM?MATLAB\get_n_antennas.m
?????文件?????????554??2020-12-01?18:46??802.11a?OFDM?MATLAB\get_punc_params.m
?????文件????????1056??2020-12-01?18:46??802.11a?OFDM?MATLAB\phase_noise_model.m
?????文件?????????652??2020-12-01?18:46??802.11a?OFDM?MATLAB\readme.txt
?????文件????????2392??2020-12-01?18:46??802.11a?OFDM?MATLAB\receiver.m
?????文件????????2600??2020-12-01?18:46??802.11a?OFDM?MATLAB\runsim.m
?????文件??????????88??2020-12-01?18:46??802.11a?OFDM?MATLAB\rx_bpsk_demod.m
?????文件?????????577??2020-12-01?18:46??802.11a?OFDM?MATLAB\rx_deinterleave.m
?????文件?????????607??2020-12-01?18:46??802.11a?OFDM?MATLAB\rx_demodulate.m
?????文件?????????906??2020-12-01?18:46??802.11a?OFDM?MATLAB\rx_depuncture.m
?????文件????????2307??2020-12-01?18:46??802.11a?OFDM?MATLAB\rx_diversity_proc.m
?????文件????????1208??2020-12-01?18:46??802.11a?OFDM?MATLAB\rx_estimate_channel.m
?????文件????????1524??2020-12-01?18:46??802.11a?OFDM?MATLAB\rx_find_packet_edge.m
?????文件????????1351??2020-12-01?18:46??802.11a?OFDM?MATLAB\rx_fine_time_sync.m
?????文件????????1280??2020-12-01?18:46??802.11a?OFDM?MATLAB\rx_frequency_sync.m
?????文件?????????460??2020-12-01?18:46??802.11a?OFDM?MATLAB\rx_gen_chan_amps.m
?????文件?????????444??2020-12-01?18:46??802.11a?OFDM?MATLAB\rx_gen_deintlvr_patt.m
?????文件?????????722??2020-12-01?18:46??802.11a?OFDM?MATLAB\rx_init_viterbi.m
?????文件?????????292??2020-12-01?18:46??802.11a?OFDM?MATLAB\rx_mr_combiner.m
?????文件?????????596??2020-12-01?18:46??802.11a?OFDM?MATLAB\rx_phase_tracker.m
?????文件????????3344??2020-12-01?18:46??802.11a?OFDM?MATLAB\rx_pilot_phase_est.m
?????文件?????????475??2020-12-01?18:46??802.11a?OFDM?MATLAB\rx_qam16_demod.m
?????文件????????1454??2020-12-01?18:46??802.11a?OFDM?MATLAB\rx_qam64_demod.m
?????文件?????????264??2020-12-01?18:46??802.11a?OFDM?MATLAB\rx_qpsk_demod.m
?????文件?????????610??2020-12-01?18:46??802.11a?OFDM?MATLAB\rx_radon_hurwitz.m
?????文件????????1845??2020-12-01?18:46??802.11a?OFDM?MATLAB\rx_timed_to_freqd.m
?????文件????????1421??2020-12-01?18:46??802.11a?OFDM?MATLAB\rx_viterbi_decode.m
............此處省略23個文件信息