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3GPP TS 25.331 version 12.3.0 Release 12<br />

667<br />

ETSI TS 125 331 V12.3.0 (2014-10)<br />

10.2.16e MBMS ACCESS INFORMATION<br />

This message is transmitted periodically by UTRAN to inform UEs that have joined or selected a particular MBMS<br />

service about the need to establish an RRC connection or to perform a cell update. While the message conten<strong>ts</strong> may<br />

change within a modification period, all occurances of the information within a modification period concern the same<br />

MBMS service(s). If the cell on which this message is sent is operating in MBSFN mode as indicated in subclause<br />

8.1.1.6.3 the UE behaves as if this message would not have been received.<br />

RLC-SAP: UM<br />

Logical channel: MCCH<br />

Direction: UTRAN → UE<br />

Information<br />

Element/Group name<br />

Need Multi Type and<br />

reference<br />

Message type MP Message<br />

Type<br />

Service list MP 1 to<br />

<br />

>MBMS short<br />

MP<br />

MBMS<br />

transmission ID<br />

Short<br />

transmissi<br />

on identity<br />

10.3.9a.1<br />

>Access probability<br />

factor - Idle<br />

>Access probability<br />

factor – connected<br />

0<br />

MP Integer (0<br />

to 960 by<br />

step of<br />

32, 1000)<br />

MD Integer (0<br />

to 960 by<br />

step of<br />

32, 1000)<br />

>Connected mode MP<br />

counting scope<br />

>>URA_PCH MP BOOLEA<br />

N<br />

>>CELL_PCH MP BOOLEA<br />

N<br />

>> CELL_FACH MP BOOLEA<br />

N<br />

Semantics description<br />

Reference/ index to a<br />

transmission listed in the MBMS<br />

MODIFIED SERVICES<br />

INFORMATION or MBMS<br />

UNMODIFIED SERVICES<br />

INFORMATION<br />

Access probability factor for UEs<br />

in idle mode. The actual Access<br />

Probability (AP) is a function of<br />

the Access Probability Factor<br />

(APF):<br />

AP (APF) = 2 -(APF/100)<br />

Access probability factor for UEs<br />

in connected mode. The actual<br />

Access Probability (AP) is a<br />

function of the Access Probability<br />

Factor (APF):<br />

AP (APF) = 2 -(APF/100)<br />

Default value is the value<br />

included in IE "Access probability<br />

factor - Idle"<br />

TRUE means that UEs in<br />

URA_PCH state shall participate<br />

in counting<br />

TRUE means that UEs in<br />

CELL_PCH state shall participate<br />

in counting<br />

TRUE means that UEs in<br />

CELL_FACH state shall<br />

participate in counting<br />

Version<br />

REL-6<br />

REL-6<br />

REL-6<br />

REL-6<br />

REL-6<br />

REL-6<br />

REL-6<br />

REL-6<br />

REL-6<br />

10.2.16f MBMS COMMON P-T-M RB INFORMATION<br />

This message is transmitted periodically by UTRAN to inform UEs about the p-t-m RB configuration information that<br />

may be common between different services, applicable in the current and/ or in neighbouring cells. The message<br />

conten<strong>ts</strong> does not change within a modification period.<br />

RLC-SAP: UM<br />

Logical channel: MCCH<br />

ETSI

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