complete library measurement functions analyze cdma2000 mobile transmi

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complete library measurement functions analyze cdma2000 mobile transmi

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cdma2000 Reverse Link Measurement Suite
complete library measurement functions analyze cdma2000 mobile transmitter performance conjunction with 3030 series Digitizer modules.
cdma2000 1xEV-DO reverse link analysis Channel power Total power power, burst width rise/fall time ACPR Spurious emissions (spectral emmssion mask) Composite modulation accuracy (RHO EVM) QPSK (cmda2k RC4, 1xEVDO) QPSK origin offset Code domain powers PCDE Frequency error
Highlights measurement suite provides analysis major signal characteristics accordance with requirements 3GPP2 C.S0011-A release C.S0024-A version cdma2000 1xEV-DO reverse link transmissions. This includes channel code domain powers, adjacent channel power ratio (ACPR), modulation accuracy (RHO EVM), frequency error, spurious emissions. Measurements processed parallel acquired data either continuous modulation bursted transmissions. bursted transmission, additional functions enable measurement burst width burst rise fall times. 1xEV-DO signals, analysis performed specified timeslot random timeslot frame. Measurements based upon general assumption that device under test commanded generate traffic channel. cdma2000 RC3/4 1xEV-DO this further requires knowledge scramble code used. Various trace arrays available, including de-scrambled code domain powers both cdma2000 RC3/4 1xEV-DO channels. addition, composite QPSK constellation diagrams reconstructed within application environment. Measurement Speed
Acquisition measurement times
cdma2000 Parameter Power ACLR Power ACLR Mask 1xEV-DO
Introduction cdma2000 1xEV-DO reverse link measurement suite comprises measurement libraries with .dll application programming interfaces (API) various application development environments (ADE) such LabVIEW, LabWindows/CVI, Visual Basic, Visual C++. Together with 3030 series digitizer they enable precision characterization both cdma2000 1xEV-DO reverse link transmissions. Applications cdma2000 1xEV-DO reverse link measurement suite designed based test systems used development manufacturing mobile radio transmitters, sub-modules radio frequency integrated circuits (RFIC).
Times based using embedded Pentium with sample time 3.75 sample rates either 4.91 9.83 appropriate.
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Example Code measurement library supplied with help including source code examples user development measurement applications. Examples supplied variety applications development environments including Visual Basic (VB6), LabWindows CVI, Visual C/C++.
SPECIFICATION
specifications defined when used conjunction with 3030 series digitizer operating cdmaOne, cdma2000 1xEVDO band classes BC12.
CONTROL PARAMETERS
Minimum reccommended sampling frequency Modulation analysis chip rate Spectral emission mask maximum frequency offset Long Code Mask long code mask range: 4,398,046,511,103 Radio Configuration Mode (cdma2000 only) RC1/RC2 RC3/RC4 Slot number (1xEVDO only)
POWER MEASUREMENT
Channel Power channel power power measured 1.23 bandwidth. Channel power measured concurent with ACPR measurement Average Power broadband average power computed user defined segment within sample array Bursted Power bursted signals, peak power computed together with burst duration, burst position, power power times. Indication Channel power, average power, burst power Burst duration burst position samples Power time power time seconds Power Accuracy temperature range 23°C ±5°C 3030 <0.6 3030A/3035 <0.45
Trace Display Data Spectral Mask
Trace Display Data Code Domain Power
ADJACENT CHANNEL POWER RATIO MEASUREMENT
ACPR ratio channel power power measured frequency offsets outside assigned cdma channel. Reference channel measured 1.23 MHz, offset measured kHz. Offsets fixed user defined Fixed offsets ±885 kHz, ±1980 User offsets Dynamic Range Indication Channel Power (1.23 channel bandwidth) Offset power RBW) Accuracy 0.05 dB/10 dB(1)
Trace Display Data Symbol Constellation(1)
SPECTRAL EMISSION MASK
power spectrum transmitted signal compared mask. Mask Type Cellular, PCS, user defined Indication Pass/fail Frequency mask value with closest proximity mask Spectral trace mask trace failed points Accuracy 0.05 dB/10 dB(1)
FREQUENCY ERROR
frequency error derived from modulation quality measurement frequency relative 3030 tuned frequency. Frequency Error Range RC1-2: RC3-4: 1xEV-DO: QPSK: Frequency Error Accuracy ±(10 (Freq standard error transmitter freq))
CODE DOMAIN POWER (RC3/RC4, 1XEVDO)
Code domain power measure power each code channel CDMA channel. Code domain power gives distribution signal energy among code channels, normalized total signal energy. Indication element arrays code domain powers (dB) Pilot channel power (dB) Data channel power (dB) channel power (dB), (1xEVDO only) channel power (dB), (1xEVDO only) Peak Code Domain Error Code domain error measure code domain distribution error power, provided code domain power measurement error signal. Peak code domain error largest power error. Indication Peak Code Domain Error (dB) Peak Code Domain Error (dB) element arrays code domain errors
TRANSMIT MODULATION
Modulation Accuracy modulation accuracy measured either composite RHO, 3GPP2 C.50011_A 3GPP2 C.S0033-A QPSK (RC3 1xEV-DO only). 1xEV-DO composite computed default user channel settings. When user channel settings, measured only selected channel subset. modulation accuracy measure difference between measured waveform theoretical modulated waveform (the error vector). minimum measurement interval composite (cdma200 RC1/2), (cdma200 RC3/4), 1xEV-DO user defined. QPSK measured interval user defined chips from 256. COMPOSITE Mode(1xEVDO only) Random Specific slot Range Indication floating point Accuracy Better than ±0.003 values between QPSK Composite range Peak QPSK range Peak Residual Error Typically QPSK ORIGIN OFFSET (CARRIER LEAK) Range Residual Error Typically
ORDERING
This application designed conjunction with 3030 series Digitizer. either purchased with 3030 series time order purchased upgrade. When purchased with 3030 series Digitizer, order 3030 option When purchased upgrade, then order RTROPT102/3030
Notes Representation trace data shown using example application software which supplied
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