Rohde & Schwarz CMU-K20, Operating Manual

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CMU-K20/-K21/-K22/-K23/-K24 Manuals
1115.6088.12 0.3 E-12
What's new in this Revision...
This operating manual describes version V3.40 of the GSM-MS firmware package. Compared to previ-
ous versions, this new firmware provides numerous extensions and improvements. The new features
described in this manual are listed below.
New Features Description Refer to...
AMR tests Tests on full rate and half rate Adaptive Multi-Rate speech
codec Chapter 4,
GSM Mobile Tests (Signallig)
→
AMR Speech Codec
Incremental
Redundancy For EGPRS downlink channels, Incremental Redundancy
can be switched on or off Chapter 4,
GSM Mobile Tests (Signallig)
→
GPRS Signalling and EGPRS
Confidence BER Statistical Receiver Quality tests to reduce measurement
times Chapter 5,
GSM Mobile Tests (Signallig)
→
Statistical BER Tests
(E)GPRS
Handover Handover possible for GPRS and EGPRS services Chapter 4,
GSM Mobile Tests (Signallig)
→
Handover to another Network
(E)GPRS
Hopping Frequency hopping supported for packet data channels Chapter 6,
GSM Mobile Tests (Signallig)
→
GPRS Signalling and EGPRS
Aux Tx Additional RF signal can be used for the downlink BCCH
(with option CMU-B95, additional RF generator) Chapter 4,
GSM Mobile Tests (Signallig)
→
BS Signal
Extended
Power/Frame The Power vs. Frame measurement can extend over up to
256 frames Chapter 4,
GSM Module Tests (Non Signallig)
→
Power Measurements
USF Duty Cycle Downlink GPRS radio blocks with configurable percentage of
Uplink State Flag assigned to the MS Chapter 4,
GSM Mobile Tests (Signallig)
→
GPRS Signalling and EGPRS
Extended BLER In multislot BLER tests the data rate is measured for each
used timeslot Chapter 4,
GSM Mobile Tests (Signallig)
→
Receiver Quality Measurements
BLER test on
EGPRS chan-
nels BLER tests available on EGPRS packet data channels Chapter 4,
GSM Mobile Tests (Signallig)
→
Receiver Quality Measurements
Extended Spec-
trum due to
Switching meas. In remote control, the spectrum due to switching can be
measured at two additional offset frequencies:
CONFigure:SPECtrum:SWITching[:GMSK]:CONTrol
:AMPoints:FREQuency
Chapter 6,
Common Measurements
→
SPECtrum:SWITching
Power control
parameter
Γ
Now remote command to change the power control parame-
ter
Γ
while a connection is established:
PROCedure:SIGNalling:PDATa[:TCH]:MSLot:
MS:SCONfig:GAMMa
Chapter 6,
GSM Mobile Tests (Signallig)
→
Conn. Control (Signalling Only)
Random
Frequency Offset During the connection, the frequency offset of the downlink
signal can change its sing randomly. Chapter 4,
GSM Mobile Tests (Signallig)
→
BS Signal
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