Rohde & Schwarz CMU-K20, Руководство по эксплуатации

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Signalling: Receiver Quality Measurements
CMU-K20/K21/K22/K23/K24
1115.6088.12 4.142 E-12
The following level settings for the BS traffic channel are valid during the
Receiver Quality
measurement only; they don't supersede the downlink levels defined in the
Slot Configuration Editor
described in section
Softkey-oriented Version: MS Multislot Mode
on p. 4.157 ff.
In circuit switched mode, two alternative ways of defining the TCH levels are provided: Depending on
the
Level Mode
setting in the
Slot Configuration Editor,
either the
TCH Level BER
or the
Individual
Levels BER
is used. For packet data channels only the
Individual
level mode is provided.
TCH Level BER
The
TCH Level BER
section defines the traffic channel level in the
Used/Unused
level mode (see
Level Mode
softkey in section
Softkey-oriented Version: MS
Multislot Mode
on p. 4.157 ff.).
used Timeslot
Absolute level in all active (used) timeslots
unused Timeslot
Level in the unused timeslots of the traffic channel relative to the
level in the used timeslots.
The level in the used timeslot(s) is specified in dBm. The allowed level range
depends on the selected RF output of the CMU and the external attenuation set.
The level in the unused timeslots is specified relative to the level in the used
timeslot(s) in dB. The actual level in the unused timeslots must also lie within the
permissible range for the RF outputs. This condition may place an additional
restriction on the permissible level range for the unused timeslots.
Remote control
CONFigure:RXQuality:BER<nr>:CONTrol[:CSWitched][:TCH]
:LEVel:UTIMeslot
CONFigure:RXQuality:BER<nr>:CONTrol[:CSWitched][:TCH]
:LEVel:UNTimeslot
Individual Levels
BER
The
Individual Levels BER
section defines the traffic channel level in the
Individual
level mode (see
Level Mode
softkey in section
Softkey-oriented Version: MS
Multislot Mode
on p. 4.157 ff.). This section is provided for circuit-switched as well
as for packet data channels.
Reference Level
Absolute reference level for the individual downlink (BS) signal
levels.
Slot 0 to 7
Level in the individual timeslots in dB, relative to the reference
level.
The allowed level range depends on the selected RF output of the CMU and the
external attenuation set.
Remote control
Configure:RXQuality:<Applic>:CONTrol:<Main_Service>[:TCH]
:MSLot:RLEVel
CONFigure:RXQuality:<Applic>:CONTrol:<Main_Service>[:TCH]
:MSLot:LEVel:INDividual
etc.
CONFigure:RXQuality:BER<nr>:CONTrol:<Main_Service>[:TCH]
:MSLot:LEVel[:SLOT]:ZERO
etc.
Where
<Main_Service> = [CSWitched] | PDATa
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