- improved TX

- added TX windowing - added RX git-svn-id: http://moon:8086/svn/matlab/trunk@3 801c6759-fa7c-4059-a304-17956f83a07c
2014-07-26 18:34:33 +00:00
parent d5d5df21f9
commit 2a04c6b44c
3 changed files with 371 additions and 73 deletions
@@ -0,0 +1,10 @@
+function [p Nt] = txwin_eval(Nu, Ng, Alpha)
+
+Nfft = Nu; % FFT size
+CP = Ng; % Nb. samples in Cyclic Prefix
+%Alpha = 1/32; % RX Alpha
+Nt = 2*round(Nfft*Alpha/2); % Nb. samples in taper region
+p = 1/2*(1+cos(pi*[-Nt+1/2:Nt-1/2]/Nt)); % Raised-Cosine in TD
+p = [p(1:Nt), ones(1,Nfft+CP-Nt), p(Nt+1:2*Nt)]; % Add ones in middle
+
+