ReadMe

This project simulates the multi-antenna system on Matlab.

Main feature includes:

1. RX beamforming.
2. DOA estimation.

System requirement

tested on Matlab version 2016a or later (2017a may have warnings but work.) with PhasedArray toolbox and Communiation toolbox.

File descriptions

1. mainArraySimRxBF.m is the main entry file.
2. Result folder include multi-antenna performance simulation result.

Simulation result

DOA estimation

1. CBF, MUSIC, Anti-MUSIC algorithm performance (unbiasedness, robustness) under different SNR (-10:5:20dB) and random azimuth within a certain range (-30:3:30 degree).
2. CBF, MUSIC, Anti-MUSIC algorithm performance (unbiasedness, robustness) under different SIR (-10:3:20dB), fixed signal azimuth (0 degree), fixed interference azimuth (11 degree) and fixed SNR (5dB).
3. CBF, MUSIC, Anti-MUSIC algorithm performance (unbiasedness, robustness) under different azimuth (-30:3:30 degree) and fixed SNR (5dB).

Adaptive Beamforming

MMSE, LMS algorithm adaptive beamforming MSE under different SNR (-10:3:20dB), fixed RS length (256), fixed signal azimuth (0 degree), fixed interference azimuth (11 degree) and fixed SIR (-3dB). MMSE, LMS algorithm adaptive beamforming MSE under different SIR (-10:3:20dB), fixed RS length (256), fixed signal azimuth (0 degree), fixed interference azimuth (11 degree) and fixed SNR (20dB).

Directivity

MMSE, LMS algorithm adaptive beamforming directivity at target azimuth traversing within a certain range (-30:3:30 degree).

Anti-Interference

MMSE, LMS algorithm adaptive anti-interference (6dB similarity between signal and interference) performance under different SIR (-10:5:20dB).

Channel Error

1. CBF, MUSIC, Anti-MUSIC algorithm performance (unbiasedness, robustness) under different amplitude error (0:1:10dB), random azimuth within a certain range (-30:3:30 degree) and fixed SNR (20dB).
2. CBF, MUSIC, Anti-MUSIC algorithm performance (unbiasedness, robustness) under different phase error (0:0.5:5 degree), random azimuth within a certain range (-30:3:30 degree) and fixed SNR (20dB).