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transceiver: rename getting radio vector time to getTime() 

Small name change to match setTime for a get/set pair.

Signed-off-by: Thomas Tsou <ttsou@vt.edu>
This commit is contained in:
Thomas Tsou 2011-10-10 00:11:52 -04:00
parent bb1c2f2ad2
commit 9d0beae1a5
3 changed files with 22 additions and 22 deletions
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34
public-trunk/Transceiver52M/Transceiver.cpp
View File

@ -149,7 +149,7 @@ void Transceiver::pushRadioVector(GSM::Time &nowTime)
// Even if the burst is stale, put it in the fillter table. // Even if the burst is stale, put it in the fillter table.
// (It might be an idle pattern.) // (It might be an idle pattern.)
LOG(NOTICE) << "dumping STALE burst in TRX->USRP interface"; LOG(NOTICE) << "dumping STALE burst in TRX->USRP interface";
const GSM::Time& nextTime = staleBurst->time(); const GSM::Time& nextTime = staleBurst->getTime();
int TN = nextTime.TN(); int TN = nextTime.TN();
int modFN = nextTime.FN() % fillerModulus[TN]; int modFN = nextTime.FN() % fillerModulus[TN];
delete fillerTable[modFN][TN]; delete fillerTable[modFN][TN];
@ -282,11 +282,11 @@ SoftVector *Transceiver::pullRadioVector(GSM::Time &wTime,
if (!rxBurst) return NULL; if (!rxBurst) return NULL;
LOG(DEBUG) << "receiveFIFO: read radio vector at time: " << rxBurst->time() << ", new size: " << mReceiveFIFO->size(); LOG(DEBUG) << "receiveFIFO: read radio vector at time: " << rxBurst->getTime() << ", new size: " << mReceiveFIFO->size();
int timeslot = rxBurst->time().TN(); int timeslot = rxBurst->getTime().TN();
CorrType corrType = expectedCorrType(rxBurst->time()); CorrType corrType = expectedCorrType(rxBurst->getTime());
if ((corrType==OFF) || (corrType==IDLE)) { if ((corrType==OFF) || (corrType==IDLE)) {
delete rxBurst; delete rxBurst;
@ -299,26 +299,26 @@ SoftVector *Transceiver::pullRadioVector(GSM::Time &wTime,
float TOA = 0.0; float TOA = 0.0;
float avgPwr = 0.0; float avgPwr = 0.0;
if (!energyDetect(*vectorBurst,20*mSamplesPerSymbol,mEnergyThreshold,&avgPwr)) { if (!energyDetect(*vectorBurst,20*mSamplesPerSymbol,mEnergyThreshold,&avgPwr)) {
LOG(DEBUG) << "Estimated Energy: " << sqrt(avgPwr) << ", at time " << rxBurst->time(); LOG(DEBUG) << "Estimated Energy: " << sqrt(avgPwr) << ", at time " << rxBurst->getTime();
double framesElapsed = rxBurst->time()-prevFalseDetectionTime; double framesElapsed = rxBurst->getTime()-prevFalseDetectionTime;
if (framesElapsed > 50) { // if we haven't had any false detections for a while, lower threshold if (framesElapsed > 50) { // if we haven't had any false detections for a while, lower threshold
mEnergyThreshold -= 10.0/10.0; mEnergyThreshold -= 10.0/10.0;
if (mEnergyThreshold < 0.0) if (mEnergyThreshold < 0.0)
mEnergyThreshold = 0.0; mEnergyThreshold = 0.0;
prevFalseDetectionTime = rxBurst->time(); prevFalseDetectionTime = rxBurst->getTime();
} }
delete rxBurst; delete rxBurst;
return NULL; return NULL;
} }
LOG(DEBUG) << "Estimated Energy: " << sqrt(avgPwr) << ", at time " << rxBurst->time(); LOG(DEBUG) << "Estimated Energy: " << sqrt(avgPwr) << ", at time " << rxBurst->getTime();
// run the proper correlator // run the proper correlator
bool success = false; bool success = false;
if (corrType==TSC) { if (corrType==TSC) {
LOG(DEEPDEBUG) << "looking for TSC at time: " << rxBurst->time(); LOG(DEBUG) << "looking for TSC at time: " << rxBurst->getTime();
signalVector *channelResp; signalVector *channelResp;
double framesElapsed = rxBurst->time()-channelEstimateTime[timeslot]; double framesElapsed = rxBurst->getTime()-channelEstimateTime[timeslot];
bool estimateChannel = false; bool estimateChannel = false;
if ((framesElapsed > 50) || (channelResponse[timeslot]==NULL)) { if ((framesElapsed > 50) || (channelResponse[timeslot]==NULL)) {
if (channelResponse[timeslot]) delete channelResponse[timeslot]; if (channelResponse[timeslot]) delete channelResponse[timeslot];
@ -353,15 +353,15 @@ SoftVector *Transceiver::pullRadioVector(GSM::Time &wTime,
chanRespAmplitude[timeslot] = amplitude; chanRespAmplitude[timeslot] = amplitude;
scaleVector(*channelResp, complex(1.0,0.0)/amplitude); scaleVector(*channelResp, complex(1.0,0.0)/amplitude);
designDFE(*channelResp, SNRestimate[timeslot], 7, &DFEForward[timeslot], &DFEFeedback[timeslot]); designDFE(*channelResp, SNRestimate[timeslot], 7, &DFEForward[timeslot], &DFEFeedback[timeslot]);
channelEstimateTime[timeslot] = rxBurst->time(); channelEstimateTime[timeslot] = rxBurst->getTime();
LOG(DEBUG) << "SNR: " << SNRestimate[timeslot] << ", DFE forward: " << *DFEForward[timeslot] << ", DFE backward: " << *DFEFeedback[timeslot]; LOG(DEBUG) << "SNR: " << SNRestimate[timeslot] << ", DFE forward: " << *DFEForward[timeslot] << ", DFE backward: " << *DFEFeedback[timeslot];
} }
} }
else { else {
double framesElapsed = rxBurst->time()-prevFalseDetectionTime; double framesElapsed = rxBurst->getTime()-prevFalseDetectionTime;
LOG(DEEPDEBUG) << "wTime: " << rxBurst->time() << ", pTime: " << prevFalseDetectionTime << ", fElapsed: " << framesElapsed; LOG(DEBUG) << "wTime: " << rxBurst->getTime() << ", pTime: " << prevFalseDetectionTime << ", fElapsed: " << framesElapsed;
mEnergyThreshold += 10.0F/10.0F*exp(-framesElapsed); mEnergyThreshold += 10.0F/10.0F*exp(-framesElapsed);
prevFalseDetectionTime = rxBurst->time(); prevFalseDetectionTime = rxBurst->getTime();
channelResponse[timeslot] = NULL; channelResponse[timeslot] = NULL;
} }
} }
@ -379,9 +379,9 @@ SoftVector *Transceiver::pullRadioVector(GSM::Time &wTime,
channelResponse[timeslot] = NULL; channelResponse[timeslot] = NULL;
} }
else { else {
double framesElapsed = rxBurst->time()-prevFalseDetectionTime; double framesElapsed = rxBurst->getTime()-prevFalseDetectionTime;
mEnergyThreshold += (1.0F/10.0F)*exp(-framesElapsed); mEnergyThreshold += (1.0F/10.0F)*exp(-framesElapsed);
prevFalseDetectionTime = rxBurst->time(); prevFalseDetectionTime = rxBurst->getTime();
} }
} }
LOG(DEBUG) << "energy Threshold = " << mEnergyThreshold; LOG(DEBUG) << "energy Threshold = " << mEnergyThreshold;
@ -403,7 +403,7 @@ SoftVector *Transceiver::pullRadioVector(GSM::Time &wTime,
*DFEForward[timeslot], *DFEForward[timeslot],
*DFEFeedback[timeslot]); *DFEFeedback[timeslot]);
} }
wTime = rxBurst->time(); wTime = rxBurst->getTime();
RSSI = (int) floor(20.0*log10(rxFullScale/amplitude.abs())); RSSI = (int) floor(20.0*log10(rxFullScale/amplitude.abs()));
LOG(DEBUG) << "RSSI: " << RSSI; LOG(DEBUG) << "RSSI: " << RSSI;
timingOffset = (int) round(TOA*256.0/mSamplesPerSymbol); timingOffset = (int) round(TOA*256.0/mSamplesPerSymbol);

8
public-trunk/Transceiver52M/radioVector.cpp
View File

@ -26,7 +26,7 @@ radioVector::radioVector(const signalVector& wVector, GSM::Time& wTime)
{ {
} }
GSM::Time radioVector::time() const GSM::Time radioVector::getTime() const
{ {
return mTime; return mTime;
} }
@ -64,7 +64,7 @@ GSM::Time VectorQueue::nextTime() const
while (mQ.size()==0) while (mQ.size()==0)
mWriteSignal.wait(mLock); mWriteSignal.wait(mLock);
retVal = mQ.top()->time(); retVal = mQ.top()->getTime();
mLock.unlock(); mLock.unlock();
return retVal; return retVal;
@ -78,7 +78,7 @@ radioVector* VectorQueue::getStaleBurst(const GSM::Time& targTime)
return NULL; return NULL;
} }
if (mQ.top()->time() < targTime) { if (mQ.top()->getTime() < targTime) {
radioVector* retVal = mQ.top(); radioVector* retVal = mQ.top();
mQ.pop(); mQ.pop();
mLock.unlock(); mLock.unlock();
@ -97,7 +97,7 @@ radioVector* VectorQueue::getCurrentBurst(const GSM::Time& targTime)
return NULL; return NULL;
} }
if (mQ.top()->time() == targTime) { if (mQ.top()->getTime() == targTime) {
radioVector* retVal = mQ.top(); radioVector* retVal = mQ.top();
mQ.pop(); mQ.pop();
mLock.unlock(); mLock.unlock();

2
public-trunk/Transceiver52M/radioVector.h
View File

@ -28,7 +28,7 @@
class radioVector : public signalVector { class radioVector : public signalVector {
public: public:
radioVector(const signalVector& wVector, GSM::Time& wTime); radioVector(const signalVector& wVector, GSM::Time& wTime);
GSM::Time time() const; GSM::Time getTime() const;
void setTime(const GSM::Time& wTime); void setTime(const GSM::Time& wTime);
bool operator>(const radioVector& other) const; bool operator>(const radioVector& other) const;