[go: up one dir, main page]
Menu ▾ ▴

[73c35b]: / init / active_ch.m  Maximize  Restore  History

Download this file

42 lines (36 with data), 1.0 kB 

 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
% active_ch.m: Tells which channels are transmitting and receiving at given time instants

% GUISDAP v.1.60 96-05-27 Copyright Asko Huuskonen and Markku Lehtinen

%

% Parameters

% t: time instants to check 

% See also: XMIT_pulse COR_status env

% function [XMITch,RECch,CALon]=active_ch(t);

  function [XMITch,RECch,CALon]=active_ch(t);

		

global vc_env vc_envo vc_sampling vc_ch



t=t(:);

tmin=min(t);

tmax=max(t);



[M,N]=size(vc_env);

XMITch=[];

if M

  for vc=find(tmin-vc_envo<=M & tmax-vc_envo>=0);

	  	if any(env(vc,t))

		    XMITch=vc_ch(vc);

			  	break

		  end

  end

end



RECch=[];CALon=0;

if length(vc_sampling)

  ind=find((tmin<=vc_sampling(:,4) & tmax>=vc_sampling(:,3)));

  if length(ind)

    RECch=diff_val(vc_ch(vc_sampling(ind,1)));

		  CALon=any(vc_sampling(ind,2)==type2ind('c'));

  end	

end



% Find which channel is transmitting at any of the times t

%[M,N]=size(chXR);

%if M<max(t); t=t(find(t<M)); end

%if length(t);

%  apu=full(chXR(t,:)).*(ones(length(t),1)*(1:N));apu=diff_val(apu(:));ch=apu(find(apu))';

%else,ch=[]; end