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 Inline 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.

File was created	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,:)