From 283e9ce2d3fd3d45b6563994b05e37095817f179 Mon Sep 17 00:00:00 2001
From: Raymond Knopp <raymond.knopp@eurecom.fr>
Date: Wed, 8 Jan 2014 18:29:56 +0000
Subject: [PATCH] git-svn-id: http://svn.eurecom.fr/openair4G/trunk@4832
818b1a75-f10b-46b9-bf7c-635c3b92a50f
---
.../ARCH/EXMIMO/USERSPACE/OCTAVE/OFDM_TX_FRAME.m | 13 ++++++++-----
1 file changed, 8 insertions(+), 5 deletions(-)
diff --git a/targets/ARCH/EXMIMO/USERSPACE/OCTAVE/OFDM_TX_FRAME.m b/targets/ARCH/EXMIMO/USERSPACE/OCTAVE/OFDM_TX_FRAME.m
index f78e9077d..2248d84f2 100755
--- a/targets/ARCH/EXMIMO/USERSPACE/OCTAVE/OFDM_TX_FRAME.m
+++ b/targets/ARCH/EXMIMO/USERSPACE/OCTAVE/OFDM_TX_FRAME.m
@@ -1,4 +1,4 @@
-function sig = OFDM_TX_FRAME(num_carriers,num_zeros,prefix_length,num_symbols_frame,preamble_length)
+function [sig, sig_f] = OFDM_TX_FRAME(num_carriers,num_zeros,prefix_length,num_symbols_frame,preamble_length)
% sig - output signal
% sig_length - output signal length
@@ -10,13 +10,16 @@ function sig = OFDM_TX_FRAME(num_carriers,num_zeros,prefix_length,num_symbols_fr
num_useful_carriers = num_carriers - num_zeros -1;
-sig = [];
+sig = zeros(1,(num_carriers+prefix_length)*num_symbols_frame);
+sig_f = zeros(num_symbols_frame,num_useful_carriers);
for k=1:preamble_length
QAM4_preamble = QAM_MOD(4,floor(256*abs(rand(1,num_useful_carriers/4))));
- sig = [sig OFDM_TX(num_carriers,num_zeros,prefix_length,QAM4_preamble)];
+ sig((k-1)*(num_carriers+prefix_length)+1:k*(num_carriers+prefix_length)) = OFDM_TX(num_carriers,num_zeros,prefix_length,QAM4_preamble);
+ sig_f(k,:) = QAM4_preamble;
end
-for k=1:(num_symbols_frame - preamble_length)
+for k=preamble_length+1:num_symbols_frame
QAM_data = QAM_MOD(256,floor(256*abs(rand(1,num_useful_carriers))));
- sig = [sig OFDM_TX(num_carriers,num_zeros,prefix_length,QAM_data)];
+ sig((k-1)*(num_carriers+prefix_length)+1:k*(num_carriers+prefix_length)) = OFDM_TX(num_carriers,num_zeros,prefix_length,QAM_data);
+ sig_f(k,:) = QAM_data;
end
--
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