11.2.49 EC Packet Access Reject

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

This message is sent on the EC-PACCH by the network to the mobile station to indicate that the network has rejected the request from the mobile station. This message may contain fields addressing more than one mobile station.

Message type: EC PACKET ACCESS REJECT

Direction: network to mobile station

Classification: distribution message

Table 11.2.49.1: EC Packet ACCESS REJECT information elements

< EC Packet Access Reject message content > ::=

< USED_DL_COVERAGE_CLASS : < Used DL Coverage Class IE > >

< Reject : < EC Reject struct > >

{ { 1 < Additional Reject: < EC Reject struct > > } ** 0

< padding bits > } // — truncation at end of message allowed, bits ‘0’ assumed

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

< EC Reject struct > ::=

< Downlink_TFI : bit (5) >

{ 0 | 1 < WAIT_INDICATION : bit (8) >

< WAIT _INDICATION_SIZE : bit (1) > }

! < Ignore : bit (*) = <no string> > ;

Table 11.2.49.2: EC Packet ACCESS REJECT information element details

USED_DL_COVERAGE_CLASS
This information element is defined in sub-clause 12.71.

EC Reject struct
The mobile station shall only accept the first Reject struct addressed to it and ignore all other Reject structs.

WAIT_INDICATION (8 bit field)
The Wait Indication field indicates the time the mobile station shall wait before attempting another channel request. This field is coded as the binary representation of the T3172 timeout value in units of 20 ms or in units of seconds. The units are indicated in the WAIT_INDICATION_SIZE field.
Range 0 to 255.

WAIT_INDICATION_SIZE (1 bit field)
This field indicates the units of the WAIT_INDICATION field.

0 the WAIT_INDICATION field is coded in units of s
1 the WAIT_INDICATION field is coded in units of 20 ms