11.2.8 Packet Downlink Dummy Control Block

3GPP44.060General Packet Radio Service (GPRS)Mobile Station (MS) - Base Station System (BSS) interfaceRadio Link Control / Medium Access Control (RLC/MAC) protocolRelease 17TS

Tools: ARFCN - Frequency Conversion for 5G NR/LTE/UMTS/GSM

This message is sent on the PCCCH or PACCH by the network to the mobile station as a fill message with either of the optional parameters PAGE_MODE and PERSISTENCE_LEVEL or with no content. In Iu mode, it is also sent on FACCH, SACCH and SDCCH.

Message type: PACKET DOWNLINK DUMMY CONTROL BLOCK

Direction: network to mobile station

Classification: distribution message

Table 11.2.8.1: Packet DOWNLINK DUMMY CONTROL BLOCK information elements

< Packet Downlink Dummy Control Block message content > ::=

< PAGE_MODE : bit (2) >

{ 0 | 1 <PERSISTENCE_LEVEL : bit (4) > * 4 }

< padding bits >

! < Distribution part error : bit (*) = < no string > > ;

Table 11.2.8.2: Packet DOWNLINK DUMMY CONTROL BLOCK information element details

PAGE_MODE (2 bit field)
This field is defined in sub-clause 12.20.

PERSISTENCE_LEVEL (4 bit field for each Radio Priority 1…4)
This field is defined in sub-clause 12.14, PRACH Control Parameters.