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All Projects → CollusW → ArraySim

CollusW / ArraySim

Licence: GPL-3.0 license
Simulation of atenna array. Beamforming and DOA estimation.

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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 Communication toolbox.

File/Folder descriptions

  1. mainArraySimRxBF.m is the main entry file.
  2. Result folder include multi-antenna performance simulation result and the generated C-file for fixed weights.
  3. Toolkits folder stores some useful tools that relies on the main algorithms.
  4. CodeGen folder stores some specific functions that are further generated into C-code for hardware implementation. Each sub-folder contain one function and its corresponding testing and configuration files.

Simulation result

AnitInterference

This folder stores the performance of anti-interference using Rx weights. Figures are further described in the word doc.

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).

Directivity

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

DOAEstimation

  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).

LMSIteration

Figures in this folder show the weight convergency of LMS.

TypicalRxPatten

Figures in this folder show the typical rx weight pattern with/without consideration of element antenna response.

WeightGenerationForC

The generated C-files for fixed weights are stored here.

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