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Transceiver52M: Rename samples-per-symbol variable names

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Because repeatedly typing mSamplesPerSymbol is giving me
carpal tunnel syndrome. Replace with the much shorter,
easier to type, and just as clear name of 'sps'.

Signed-off-by: Thomas Tsou <tom@tsou.cc>

git-svn-id: http://wush.net/svn/range/software/public/openbts/trunk@6727 19bc5d8c-e614-43d4-8b26-e1612bc8e597
This commit is contained in:
Thomas Tsou
2013-10-17 06:17:50 +00:00
parent 98ebd4963d
commit ecc81ab384
6 changed files with 95 additions and 94 deletions
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35
Transceiver52M/sigProcLib.h
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@@ -103,7 +103,7 @@ float vectorNorm2(const signalVector &x);
float vectorPower(const signalVector &x);
/** Setup the signal processing library */
void sigProcLibSetup(int samplesPerSymbol);
void sigProcLibSetup(int sps);
/** Destroy the signal processing library */
void sigProcLibDestroy(void);
@@ -124,12 +124,11 @@ signalVector* convolve(const signalVector *a,
/**
Generate the GSM pulse.
@param samplesPerSymbol The number of samples per GSM symbol.
@param sps The number of samples per GSM symbol.
@param symbolLength The size of the pulse.
@return The GSM pulse.
*/
signalVector* generateGSMPulse(int samplesPerSymbol,
int symbolLength);
signalVector* generateGSMPulse(int sps, int symbolLength);
/**
Frequency shift a vector.
@@ -168,7 +167,7 @@ bool vectorSlicer(signalVector *x);
signalVector *modulateBurst(const BitVector &wBurst,
const signalVector &gsmPulse,
int guardPeriodLength,
int samplesPerSymbol);
int sps);
/** Sinc function */
float sinc(float x);
@@ -229,21 +228,19 @@ void offsetVector(signalVector &x,
/**
Generate a modulated GSM midamble, stored within the library.
@param gsmPulse The GSM pulse used for modulation.
@param samplesPerSymbol The number of samples per GSM symbol.
@param sps The number of samples per GSM symbol.
@param TSC The training sequence [0..7]
@return Success.
*/
bool generateMidamble(signalVector &gsmPulse,
int samplesPerSymbol,
int TSC);
bool generateMidamble(signalVector &gsmPulse, int sps, int tsc);
/**
Generate a modulated RACH sequence, stored within the library.
@param gsmPulse The GSM pulse used for modulation.
@param samplesPerSymbol The number of samples per GSM symbol.
@param sps The number of samples per GSM symbol.
@return Success.
*/
bool generateRACHSequence(signalVector &gsmPulse,
int samplesPerSymbol);
int sps);
/**
Energy detector, checks to see if received burst energy is above a threshold.
@@ -262,14 +259,14 @@ bool energyDetect(signalVector &rxBurst,
RACH correlator/detector.
@param rxBurst The received GSM burst of interest.
@param detectThreshold The threshold that the received burst's post-correlator SNR is compared against to determine validity.
@param samplesPerSymbol The number of samples per GSM symbol.
@param sps The number of samples per GSM symbol.
@param amplitude The estimated amplitude of received RACH burst.
@param TOA The estimate time-of-arrival of received RACH burst.
@return True if burst SNR is larger that the detectThreshold value.
*/
bool detectRACHBurst(signalVector &rxBurst,
float detectThreshold,
int samplesPerSymbol,
int sps,
complex *amplitude,
float* TOA);
@@ -278,7 +275,7 @@ bool detectRACHBurst(signalVector &rxBurst,
@param rxBurst The received GSM burst of interest.
@param detectThreshold The threshold that the received burst's post-correlator SNR is compared against to determine validity.
@param samplesPerSymbol The number of samples per GSM symbol.
@param sps The number of samples per GSM symbol.
@param amplitude The estimated amplitude of received TSC burst.
@param TOA The estimate time-of-arrival of received TSC burst.
@param maxTOA The maximum expected time-of-arrival
@@ -290,7 +287,7 @@ bool detectRACHBurst(signalVector &rxBurst,
bool analyzeTrafficBurst(signalVector &rxBurst,
unsigned TSC,
float detectThreshold,
int samplesPerSymbol,
int sps,
complex *amplitude,
float *TOA,
unsigned maxTOA,
@@ -311,14 +308,14 @@ signalVector *decimateVector(signalVector &wVector,
Demodulates a received burst using a soft-slicer.
@param rxBurst The burst to be demodulated.
@param gsmPulse The GSM pulse.
@param samplesPerSymbol The number of samples per GSM symbol.
@param sps The number of samples per GSM symbol.
@param channel The amplitude estimate of the received burst.
@param TOA The time-of-arrival of the received burst.
@return The demodulated bit sequence.
*/
SoftVector *demodulateBurst(signalVector &rxBurst,
const signalVector &gsmPulse,
int samplesPerSymbol,
int sps,
complex channel,
float TOA);
@@ -375,14 +372,14 @@ bool designDFE(signalVector &channelResponse,
Equalize/demodulate a received burst via a decision-feedback equalizer.
@param rxBurst The received burst to be demodulated.
@param TOA The time-of-arrival of the received burst.
@param samplesPerSymbol The number of samples per GSM symbol.
@param sps The number of samples per GSM symbol.
@param w The feed forward filter of the DFE.
@param b The feedback filter of the DFE.
@return The demodulated bit sequence.
*/
SoftVector *equalizeBurst(signalVector &rxBurst,
float TOA,
int samplesPerSymbol,
int sps,
signalVector &w,
signalVector &b);