diff options
Diffstat (limited to 'Transceiver52M/Transceiver.h')
| -rw-r--r-- | Transceiver52M/Transceiver.h | 100 |
1 files changed, 69 insertions, 31 deletions
diff --git a/Transceiver52M/Transceiver.h b/Transceiver52M/Transceiver.h index 4b549ef..1f8bed2 100644 --- a/Transceiver52M/Transceiver.h +++ b/Transceiver52M/Transceiver.h @@ -30,6 +30,54 @@ #include <sys/types.h> #include <sys/socket.h> +class Transceiver; + +/** Channel descriptor for transceiver object and channel number pair */ +struct TransceiverChannel { + TransceiverChannel(Transceiver *trx, int num) + { + this->trx = trx; + this->num = num; + } + + ~TransceiverChannel() + { + } + + Transceiver *trx; + size_t num; +}; + +/** Internal transceiver state variables */ +struct TransceiverState { + TransceiverState(); + ~TransceiverState(); + + /* Initialize a multiframe slot in the filler table */ + void init(size_t slot, signalVector *burst); + + int chanType[8]; + + /* Last timestamp of each timeslot's channel estimate */ + GSM::Time chanEstimateTime[8]; + + /* The filler table */ + signalVector *fillerTable[102][8]; + int fillerModulus[8]; + + /* Most recent channel estimate of all timeslots */ + signalVector *chanResponse[8]; + + /* Most recent DFE feedback filter of all timeslots */ + signalVector *DFEForward[8]; + signalVector *DFEFeedback[8]; + + /* Most recent SNR, timing, and channel amplitude estimates */ + float SNRestimate[8]; + float chanRespOffset[8]; + complex chanRespAmplitude[8]; +}; + /** The Transceiver class, responsible for physical layer of basestation */ class Transceiver { private: @@ -66,27 +114,6 @@ private: IDLE ///< timeslot is an idle (or dummy) burst } CorrType; - - /** Codes for channel combinations */ - typedef enum { - FILL, ///< Channel is transmitted, but unused - I, ///< TCH/FS - II, ///< TCH/HS, idle every other slot - III, ///< TCH/HS - IV, ///< FCCH+SCH+CCCH+BCCH, uplink RACH - V, ///< FCCH+SCH+CCCH+BCCH+SDCCH/4+SACCH/4, uplink RACH+SDCCH/4 - VI, ///< CCCH+BCCH, uplink RACH - VII, ///< SDCCH/8 + SACCH/8 - VIII, ///< TCH/F + FACCH/F + SACCH/M - IX, ///< TCH/F + SACCH/M - X, ///< TCH/FD + SACCH/MD - XI, ///< PBCCH+PCCCH+PDTCH+PACCH+PTCCH - XII, ///< PCCCH+PDTCH+PACCH+PTCCH - XIII, ///< PDTCH+PACCH+PTCCH - NONE, ///< Channel is inactive, default - LOOPBACK ///< similar go VII, used in loopback testing - } ChannelCombination; - float mNoiseLev; ///< Average noise level noiseVector mNoises; ///< Vector holding running noise measurements @@ -116,22 +143,13 @@ private: int mSPSRx; ///< number of samples per Rx symbol bool mOn; ///< flag to indicate that transceiver is powered on - ChannelCombination mChanType[8]; ///< channel types for all timeslots double mTxFreq; ///< the transmit frequency double mRxFreq; ///< the receive frequency int mPower; ///< the transmit power in dB unsigned mTSC; ///< the midamble sequence code - int fillerModulus[8]; ///< modulus values of all timeslots, in frames - signalVector *fillerTable[102][8]; ///< table of modulated filler waveforms for all timeslots unsigned mMaxExpectedDelay; ///< maximum expected time-of-arrival offset in GSM symbols - GSM::Time channelEstimateTime[8]; ///< last timestamp of each timeslot's channel estimate - signalVector *channelResponse[8]; ///< most recent channel estimate of all timeslots - float SNRestimate[8]; ///< most recent SNR estimate of all timeslots - signalVector *DFEForward[8]; ///< most recent DFE feedforward filter of all timeslots - signalVector *DFEFeedback[8]; ///< most recent DFE feedback filter of all timeslots - float chanRespOffset[8]; ///< most recent timing offset, e.g. TOA, of all timeslots - complex chanRespAmplitude[8]; ///< most recent channel amplitude of all timeslots + TransceiverState mState; public: @@ -161,6 +179,26 @@ public: /** attach the radioInterface transmit FIFO */ void transmitFIFO(VectorFIFO *wFIFO) { mTransmitFIFO = wFIFO;} + /** Codes for channel combinations */ + typedef enum { + FILL, ///< Channel is transmitted, but unused + I, ///< TCH/FS + II, ///< TCH/HS, idle every other slot + III, ///< TCH/HS + IV, ///< FCCH+SCH+CCCH+BCCH, uplink RACH + V, ///< FCCH+SCH+CCCH+BCCH+SDCCH/4+SACCH/4, uplink RACH+SDCCH/4 + VI, ///< CCCH+BCCH, uplink RACH + VII, ///< SDCCH/8 + SACCH/8 + VIII, ///< TCH/F + FACCH/F + SACCH/M + IX, ///< TCH/F + SACCH/M + X, ///< TCH/FD + SACCH/MD + XI, ///< PBCCH+PCCCH+PDTCH+PACCH+PTCCH + XII, ///< PCCCH+PDTCH+PACCH+PTCCH + XIII, ///< PDTCH+PACCH+PTCCH + NONE, ///< Channel is inactive, default + LOOPBACK ///< similar go VII, used in loopback testing + } ChannelCombination; + protected: /** drive reception and demodulation of GSM bursts */ |