SCASO / OTFS Communication

Authored by Runze Wang 2019-03-17 17:12:50 -0700

Exists in FMCW

Showing 2 changed files with 40 additions and 0 deletions Side-by-side Diff

	1	+We recommend you to install pahsed array system toolbox for MATLAB 2018.
	2	+Load samples and demodulate using "load_data.m".
	3	+You can generate your own FMCW signal using FMCWWaveform() on Matlab.

	1	+function [samples, n_samples] = load_samples(samplefilepath, format, little_endian, nr)
	2	+ %%%%%%%%%%%%%%%%%%%%%%
	3	+ %% read the samples
	4	+ %%%%%%%%%%%%%%%%%%%%%%
	5	+
	6	+ if nargin < 4
	7	+ nr = inf;
	8	+ end
	9	+ if nargin > 1 && strcmp(format,'cplx')
	10	+ fid = fopen(samplefilepath, 'r');
	11	+ if (nargin < 3)
	12	+ little_endian = false;
	13	+ end
	14	+ if (little_endian)
	15	+ [s, n] = fread(fid, nr, 'int32', 0, 'ieee-le');
	16	+ else
	17	+ [s, n] = fread(fid, nr, 'int32', 0, 'ieee-be');
	18	+ end
	19	+ fclose(fid);
	20	+ s = reshape(s, 2, []).';
	21	+ s = s(:,1) + 1i * s(:,2);
	22	+ n = n/2;
	23	+ end
	24	+
	25	+ if nargin > 1 && strcmp(format,'float32')
	26	+ fid = fopen(samplefilepath, 'r');
	27	+ [s, n] = fread(fid, nr, 'float');
	28	+ fclose(fid);
	29	+ s = reshape(s, 2, []).';
	30	+ s = s(:,1) + 1i * s(:,2);
	31	+ n = n/2;
	32	+ end
	33	+
	34	+ s(1:10,:)
	35	+ samples = s;
	36	+ n_samples = n;
	37	+end