12.38 MPRACH description

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

The MPRACH description contains the MPRACH parameters to be used if MPRACH is indicated in an MBMS notification.

Table 12.38.1: MPRACH description information element

< MPRACH description IE > :: =

{ 0 | 1 < Frequency Parameters : < Frequency Parameters IE > > }

< MPRACH_TIMESLOT NUMBER : bit (3) >

< USF : bit (3) >

{ 0 | 1 < MPRACH Control Parameters : < MPRACH Control Parameters IE > > } ;

Table 12.38.2: MPRACH description information element details

Frequency Parameters
If this information element is not present, the same frequency as for the PCCCH shall be used. This information element is defined in sub-clause 12.8.

MPRACH_TIMESLOT NUMBER (3 bit field)
This field identifies the timeslot number of the PDCH where the MPRACH is located.

USF (3 bit field)
This field identifies the USF value that identifies the MPRACH on the defined PDCH.

MPRACH Control Parameters
This information element, if present, defines the access control parameters to be used on the MPRACH. This information element is defined in sub-clause 12.41.