R&S CMW-KG4 Series, User Manual, Page: 224 / 988

WCDMA Signaling
R&S
®
CMW-KG4xx/-KM4xx/-KS4xx
224 User Manual 1173.9657.02 ─ 11
2.4.15.2 Uplink DTX
This section describes the parameters for the discontinuous transmission in the uplink,
see also
chapter 2.2.16, "Continuous Packet Connectivity (CPC)" , on page 63.
The parameters from this section are defined in 3GPP TS 25.331 as the DTX-DRX
information.
Fig. 2-104: Uplink DTX configuration
Enable ......................................................................................................................... 224
UE DTX Long Preamble Length ..................................................................................224
CQI DTX Timer ........................................................................................................... 224
UE DTX Cycle ............................................................................................................. 225
└ DPCCH Activity Pattern ................................................................................ 225
└ UE DPCCH Burst ..........................................................................................225
└ Inactivity Threshold ....................................................................................... 225
└ Default SG .................................................................................................... 225
Enable
Enables discontinuous transmission in the uplink.
Remote command:
CONFigure:
​
WCDMa:
​
SIGN<i>:
​
CELL:
​
CPC:
​
UDTX:
​
ENABle
​
UE DTX Long Preamble Length
Preamble is used for the synchronisation, transmitted by the UE in the DPCCH prior to
the uplink DTX transmission .
UE transmits the DTX long preamble immediately prior to the E-DCH transmission in
the UE DTX cycle 2.
Remote command:
CONFigure:
​
WCDMa:
​
SIGN<i>:
​
CELL:
​
CPC:
​
UDTX:
​
LPLength
​
CQI DTX Timer
Number of subframes after an HS-DSCH reception during which the CQI reports have
higher priority than the DTX pattern and are transmitted according to the regular CQI
pattern.
Remote command:
CONFigure:
​
WCDMa:
​
SIGN<i>:
​
CELL:
​
CPC:
​
UDTX:
​
CQITimer
​
GUI Reference
深圳德标仪器
135-1095-0799