Changes between Version 6 and Version 7 of WARPLab/Examples/OFDM
- Timestamp:
- Feb 21, 2014, 11:43:49 AM (10 years ago)
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WARPLab/Examples/OFDM
v6 v7 41 41 ||||||= '''Simulation Plots''' =|| 42 42 || [[Image(wl_ofdm_plots_sim_txIQ.png,width=250)]][[BR]]Transmitted waveform || [[Image(wl_ofdm_plots_sim_rxIQ.png,width=250)]] [[BR]]Received waveform || [[Image(wl_ofdm_plots_sim_ltsCorr.png,width=250)]] [[BR]]Preamble correlation results[[BR]](peaks indicate locations of preamble LTS) || 43 || [[Image(wl_ofdm_plots_sim_chanEst.png,width=250)]] [[BR]]Channel estimate per subcarrier[[BR]](I/Q components and complex magnitude) || [[Image(wl_ofdm_plots_sim_phaseError.png,width=250)]] [[BR]]Phase error per OFDM symbol based on pilot tones || [[Image(wl_ofdm_plots_sim_constellations.png,width=250)]] [[BR]]Tx and Rx constellations || 43 || [[Image(wl_ofdm_plots_sim_chanEst.png,width=250)]] [[BR]]Channel estimate per subcarrier[[BR]](I/Q components and complex magnitude) || [[Image(wl_ofdm_plots_sim_phaseError.png,width=250)]] [[BR]]Phase error estimates[[BR]](per OFDM symbol) || [[Image(wl_ofdm_plots_sim_constellations.png,width=250)]] [[BR]]Tx and Rx constellations || 44 ||||||= [[BR]] =|| 44 45 45 46 By default the simulation script applies AWGN with an arbitrary fixed SNR. You can change the simulated propagation characteristics in the m-code. Search for {{{AWGN}}} and apply whatever Tx->Rx degradations you like. … … 67 68 ||||||= '''Hardware in the Loop Plots''' =|| 68 69 || [[Image(wl_ofdm_plots_hw_txIQ.png,width=250)]][[BR]]Transmitted waveform || [[Image(wl_ofdm_plots_hw_rxIQ.png,width=250)]] [[BR]]Received waveform || [[Image(wl_ofdm_plots_hw_ltsCorr.png,width=250)]] [[BR]]Preamble correlation results[[BR]](peaks indicate locations of preamble LTS) || 69 || [[Image(wl_ofdm_plots_hw_chanEst.png,width=250)]] [[BR]]Channel estimate per subcarrier[[BR]](I/Q components and complex magnitude) || [[Image(wl_ofdm_plots_hw_phaseError.png,width=250)]] [[BR]]Phase error per OFDM symbol based on pilot tones|| [[Image(wl_ofdm_plots_hw_constellations.png,width=250)]] [[BR]]Tx and Rx constellations ||70 70 || [[Image(wl_ofdm_plots_hw_chanEst.png,width=250)]] [[BR]]Channel estimate per subcarrier[[BR]](I/Q components and complex magnitude) || [[Image(wl_ofdm_plots_hw_phaseError.png,width=250)]] [[BR]]Phase error estimates[[BR]](per OFDM symbol) || [[Image(wl_ofdm_plots_hw_constellations.png,width=250)]] [[BR]]Tx and Rx constellations || 71 ||||||= [[BR]] =|| 71 72 72 73 The script also prints statistics about the experiment to the MATLAB command prompt:
