User manual ASCOM SRU DATASHEET
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Manual abstract: user guide ASCOM SRUDATASHEET
Detailed instructions for use are in the User's Guide.
[. . . ] PRODUCTSHEET Product: TEMSTMAutomaticScanningReceiverUnit
SRU SCANNING RECEIVER UNIT FOR TEMSTM AUTOMATIC
SRUs (Scanning Receiver Units) are lightweight and versatile devices dedicated to GSM andWCDMAscanning. OneortwoSRUscanbe connectedtoTEMSAutomaticRTUs(RemoteTest Units)performingautonomousdatacollection.
Each SRU is a standalone device that can be conveniently moved betweenRTUsasdictatedbytestingrequirements. [. . . ] InGSMnetworks, theSRUundertakesRSSIscanningofselectedchannels orentireGSMbands. BSICdecodingcanoptionallybedonewheneverpossible. ForWCDMA, theSRUperformsCPICHscanningonupto12carriersat atime. AsnapshotofSystemInformationMessagecanbetakenoncefor eachcellcampedon. Furthermore, aspecial"BCHscanning"modeisavailable forcontinuousmonitoringofSystemInformation. Thelatterisusefulfor examplewhenconductingaclose-upinvestigationofparametersettings. The SRU contains an Ericsson F3607gw Mobile Broadband Module supportingfrequencybandsasfollows: nGSM850/900/1800/1900MHz nWCDMA900/1900/2100MHz(Europe)or850/1900/2100MHz(US)
PRODUCTSHEET:SRUSCANNINGRECEIVERUNIT
Scanning capabilities Scanning Receiver Unit (SRU) F3607gw
Technology WCDMA bands GSM bands WCDMA scanning GSM scanning Size Weight
GSM and WCDMA 850/1900/2100 (US) or 900/1900/2100 (EU) MHz 850/900/1800/1900 MHz Top-N CPICH scanning, BCH scanning GSM carrier (RSSI) scan, BSIC decoding 126 x 80 x 30 mm 272 gr
WCDMA SCANNING: TECHNICAL DATA AND PERFORMANCE
Top-N CPICH Scanning BCH Scanning
Number of cells
Up to 40 cells per UARFCN
Up to 40 cells per UARFCN Up to 12 UARFCNs RSCP (Total and Path), Ec/No, RSSI, UL interference, intra-frequency cells, inter-frequency cells, inter-RAT (i. e. SIB7, SIB11, SIB11bis, SIB12, SIB18, SB1, SB2 Single System Information Message: 50200 ms (random wait until a message arrives). 300 ms 20 dB (fixed)
Number of UARFCNs Measurements taken
Up to 12 UARFCNs RSCP (Total and Path), Ec/No, RSSI
System Information messages decoded Acquisition time
MIB, SIB1 . . . 15 dBm Ec/No cell limit (dB) < 28 27 26 25 > 24 False detection rate (%) > 17 2. 5 0. 026 0. 011 < 0. 0065
Ec/No cell limit Measurement resolution Measurement accuracy Measurement range False detection rate
CPICH detection thresholds
Relative: Ec/No = 30 dB, Absolute: Ec = 116 dB
Max. number of Rake fingers 12 GSM SCANNING: TECHNICAL DATA AND PERFORMANCE
Top-N CPICH Scanning BCH Scanning
Scanning capacity
Individual carriers: Up to 200. Carrier ranges: Up to 4, each of which may extend to an entire GSM band. [. . . ] 1943IsaacNewtonSquare Reston|VA|20190-5006|USA www. ascom. com/networktesting
03. 2010
© Ascom 2010. [. . . ]
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