www.gusucode.com > ofdm结合2x2的m.. > ofdm结合2x2的m...构的WLAN环境数据传输仿真程序matlab版,包括信道估计和同步等模块/rx_phase_tracker.m
function corrected_syms = rx_phase_tracker(freq_data_syms, freq_pilot_syms, channel_est, sim_options); global sim_consts; num_symbols = size(freq_data_syms,2); corrected_syms = zeros(sim_consts.NumDataSubc, num_symbols); if sim_options.PilotPhaseTracking % estimate the phase change using the pilots correction_phases = rx_pilot_phase_est(freq_pilot_syms, channel_est, sim_options); % correct symbol using the phase estimate of this one OFDM symbol, corrected_syms = exp(-j*correction_phases).*freq_data_syms; else corrected_syms = freq_data_syms; end