Matlab Programming

Hi, I need some help. I am working on Spectrum Sensing for Cognitive Radio. I currently have a code that used the Spacial Time-Frequency Distribution method alongside with MUSIC to find the Angle of Arrival of two given signals. The original algorithm produces two picture, one gives the frequency distribution of the two signal within a time interval, while the other produces the estimated angle of arrival.

I have a few task for you based on these codes

1. separated the code and make it produces only one frequency of 25Mhz and one estimated angle of 30

2. build an iterative process for the code where we find the range at which the algorithm is more accurate. the iterative process should test angles between -90 and 90 with an SNR of 0.

[url removed, login to view] this step we will have the range of accuracy of the algorithm, now at this stage we find out which level of SNR affects the estimated angle, so another iterative process to test the algorithm at different SNR (0-10) to find out which level of affect the accuracy of the algorithm, and which improves the accuracy of the algorithm. if possible the result should be plotted based on RMSE.

(related file: algorithm_check.m)


I am doing a survey on Angle of Arrival Based Spectrum Sensing Algorithm in Cognitive Radio


Conventional Beamformer

Capon’s Beamformer

Linear Prediction

Subspace-Based Technique:



what I need is to use each of these algorithms separately to estimate the angle of arrival. each of them should estimate the same angle which is 40 and -40

then I will also want them to be used simultaneously using a different color to represent each but they all will find the same angles of 40 and -40

the word document I've attached give you an example of how they should look separated

Note: TASK 1 is a little bit more pressing, TASK 2 i have a few weeks.

if you need more details just let me know, I'm not sure if what I wrote is clear

Квалификация: Matlab and Mathematica, Программирование

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