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Adding MultiARFCN support to RAD1 radio.

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git-svn-id: http://wush.net/svn/range/software/public/openbts/trunk@3689 19bc5d8c-e614-43d4-8b26-e1612bc8e597
This commit is contained in:
kurtis.heimerl
2012-05-31 00:05:17 +00:00
parent 50f445f32e
commit e2d8d98126
8 changed files with 978 additions and 500 deletions
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40
TransceiverRAD1/radioInterface.cpp
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@@ -71,6 +71,8 @@ RadioInterface::RadioInterface(RadioDevice *wRadio,
int wReceiveOffset,
int wRadioOversampling,
int wTransceiverOversampling,
bool wLoadTest,
unsigned int wNumARFCNs,
GSM::Time wStartTime)
{
@@ -85,6 +87,9 @@ RadioInterface::RadioInterface(RadioDevice *wRadio,
samplesPerSymbol = wRadioOversampling;
mClock.set(wStartTime);
powerScaling = 1.0;
mNumARFCNs = wNumARFCNs;
loadTest = wLoadTest;
}
RadioInterface::~RadioInterface(void) {
@@ -236,6 +241,34 @@ void RadioInterface::start()
mOn = true;
if (loadTest) {
int mOversamplingRate = samplesPerSymbol;
int numARFCN = mNumARFCNs;
signalVector *gsmPulse = generateGSMPulse(2,1);
BitVector normalBurstSeg = "0000101010100111110010101010010110101110011000111001101010000";
BitVector normalBurst(BitVector(normalBurstSeg,gTrainingSequence[2]),normalBurstSeg);
signalVector *modBurst = modulateBurst(normalBurst,*gsmPulse,8,1);
signalVector *modBurst9 = modulateBurst(normalBurst,*gsmPulse,9,1);
signalVector *interpolationFilter = createLPF(0.6/mOversamplingRate,6*mOversamplingRate,1);
scaleVector(*modBurst,mRadio->fullScaleInputValue());
scaleVector(*modBurst9,mRadio->fullScaleInputValue());
double beaconFreq = -1.0*(numARFCN-1)*200e3;
finalVec = new signalVector(156*mOversamplingRate);
finalVec9 = new signalVector(157*mOversamplingRate);
for (int j = 0; j < numARFCN; j++) {
signalVector *frequencyShifter = new signalVector(157*mOversamplingRate);
frequencyShifter->fill(1.0);
frequencyShift(frequencyShifter,frequencyShifter,2.0*M_PI*(beaconFreq+j*400e3)/(1625.0e3/6.0*mOversamplingRate));
signalVector *interpVec = polyphaseResampleVector(*modBurst,mOversamplingRate,1,interpolationFilter);
multVector(*interpVec,*frequencyShifter);
addVector(*finalVec,*interpVec);
interpVec = polyphaseResampleVector(*modBurst9,mOversamplingRate,1,interpolationFilter);
multVector(*interpVec,*frequencyShifter);
addVector(*finalVec9,*interpVec);
}
}
}
void *AlignRadioServiceLoopAdapter(RadioInterface *radioInterface)
@@ -287,14 +320,15 @@ void RadioInterface::driveReceiveRadio() {
GSM::Time tmpTime = rcvClock;
if (rcvClock.FN() >= 0) {
//LOG(DEBUG) << "FN: " << rcvClock.FN();
int dummyARFCN = 0;
radioVector *rxBurst = NULL;
if (!loadTest)
rxBurst = new radioVector(rxVector,tmpTime);
rxBurst = new radioVector(rxVector,tmpTime,dummyARFCN);
else {
if (tN % 4 == 0)
rxBurst = new radioVector(*finalVec9,tmpTime);
rxBurst = new radioVector(*finalVec9,tmpTime,dummyARFCN);
else
rxBurst = new radioVector(*finalVec,tmpTime);
rxBurst = new radioVector(*finalVec,tmpTime,dummyARFCN);
}
mReceiveFIFO.put(rxBurst);
}