From 96b1cbaa255b04a20d0f7ca6bda14fa87eb3ed62 Mon Sep 17 00:00:00 2001
From: "Matthias P. Braendli" <matthias.braendli@mpb.li>
Date: Wed, 7 Feb 2018 11:44:43 +0100
Subject: Fix offset in TII carriers

---
 src/OfdmGenerator.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'src/OfdmGenerator.cpp')

diff --git a/src/OfdmGenerator.cpp b/src/OfdmGenerator.cpp
index 57e0e0e..26ad7a4 100644
--- a/src/OfdmGenerator.cpp
+++ b/src/OfdmGenerator.cpp
@@ -207,12 +207,18 @@ int OfdmGenerator::process(Buffer* const dataIn, Buffer* dataOut)
         myFftIn[0][0] = 0;
         myFftIn[0][1] = 0;
 
+        /* For TM I this is:
+         * ZeroDst=769 ZeroSize=511
+         * PosSrc=0 PosDst=1 PosSize=768
+         * NegSrc=768 NegDst=1280 NegSize=768
+         */
         memset(&myFftIn[myZeroDst], 0, myZeroSize * sizeof(FFT_TYPE));
         memcpy(&myFftIn[myPosDst], &in[myPosSrc],
                 myPosSize * sizeof(FFT_TYPE));
         memcpy(&myFftIn[myNegDst], &in[myNegSrc],
                 myNegSize * sizeof(FFT_TYPE));
 
+
         if (myCfr) {
             reference.resize(mySpacing);
             memcpy(reference.data(), myFftIn, mySpacing * sizeof(FFT_TYPE));
-- 
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