Atec Rohde-Schwarz-SMIQ Series User Manual
Page 21
Vector Signal Generator R&S SMIQ – Specifications
21
Enhanced functions for digital standard WCDMA 3GPP (FDD) with option R&S SMIQB48
Adjacent-channel power, 1 DPCH (crest factor=5,4 dB)
Chip rate 3.84 MHz
Without option R&S SMIQB47
Offset 5 MHz, low distortion output mode
Offset 10 MHz, low noise output mode
–67 dBc typ.
8 )
–70 dBc typ.
8 )
With option R&S SMIQB47, IQ filter 2.5 MHz
Offset 5 MHz, low distortion output mode
Offset 10 MHz, low noise output mode
<−65 dBc, –70 dBc typ.
8 )
<−71 dBc, –74 dBc typ.
8 )
Adjacent-channel power, test model 1, 64 DPCH
(crest factor=10,6 dB)
Without option R&S SMIQB47
Offset 5 MHz, low distortion output mode
Offset 10 MHz, low noise output mode
–64 dBc typ.
8 )
–67 dBc typ.
8 )
With option R&S SMIQB47, IQ filter 2.5 MHz
Offset 5 MHz, low distortion output mode
Offset 10 MHz, low noise output mode
<−64 dBc, –68 dBc typ.
8 )
<−67 dBc, –70 dBc typ.
8 )
3GPP (FDD) version
4.1.0 to 3GPP technical specifications TS25.101, TS25.104, TS25.141,
TS25.211 and TS25.213
Option R&S SMIQB45 WCDMA 3GPP is extended by the following functions:
Enhanced Channels
Channels of WCDMA system in R&S SMIQ that offer enhanced functionality compared with standard channels of option
R&S SMIQB45.
Can be used in downlink for max. four DPCHs and in uplink for one DPCCH and max. six DPDCHs.
All DPCHs or DPDCHs have the same symbol rate.
Enhanced functions at a glance:
• Sequences of up to 1022 frames
• Realtime BCH with incrementing SFN
• Data lists for data fields and TPC field
• External power control
• Channel coding
• Bit error insertion
• Block error insertion
• Orthogonal channel noise simulation (OCNS)
• Additional mobile stations
Sequences of up to 1022 frames
generation of WCDMA signals with length of max. 256 frames
with four active enhanced channels and max. 1022 frames with
one active enhanced channel
Applications
– continuous measurement of physical bit error rate (without chan-
nel coding) on code channel with PN9 data without wrap-
around problems
– use of user data (data lists) with externally processed long data
sequences for enhanced channels
Realtime BCH with incrementing SFN
Generation of a realtime downlink BCH (coded P-CCPCH) with
incrementing system frame number (0 to 4094). BCH can be com-
bined with all reference measurement channels (bit rate 12.2 kbps,
64 kbps, 144 kbps, 384 kbps) or AMR of 12.2 kbps bit rate.
Max. sequence length:
RMC
12.2 kbps
2044 frames
RMC
64 kbps
512 frames
RMC
144 kbps
512 frames
RMC
384 kbps
512 frames
AMR
12.2 kbps
2044 frames
Application
– receiver and performance tests to TS25.101
– test of mobile synchronization to BS signal combined with:
continuous measurement of DTCH and DCCH bit and block er-
ror rate using PN9 data