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

681<br />

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

Information<br />

Element/Group name<br />

Need Multi Type and<br />

reference<br />

Message type MP Message<br />

Type<br />

Service scheduling info MP 1 to <<br />

list<br />

maxMB<br />

MSserv<br />

>MBMS Transmission<br />

identity<br />

>MBMS Service<br />

transmissions info list<br />

MP<br />

Sched><br />

OP 1 to <<br />

maxMB<br />

MSTran<br />

smis><br />

MBMS<br />

Transmis<br />

sion<br />

identity<br />

10.3.9a.1<br />

2<br />

>>Start MP Integer<br />

(0..1020)<br />

by step of<br />

4<br />

>>Duration MP Integer<br />

(4..1024)<br />

by step of<br />

4<br />

>Next scheduling period MP Integer<br />

(0..31)<br />

Semantics description<br />

One or more se<strong>ts</strong> of scheduling<br />

information comprising of the beginning<br />

and duration of an MBMS service<br />

transmission for one scheduling period<br />

Indicates the start of the transmission<br />

relative to the start of the TTI in which<br />

the MBMS SCHEDULING<br />

INFORMATION message was received.<br />

In number of radio frames (i.e. the value<br />

0 would correspond to the start of the<br />

MBMS transmission being in the same<br />

TTI as the MBMS Scheduling<br />

Information message.)<br />

See note 1.<br />

In number of radio frames<br />

Number of scheduling periods (see<br />

10.3.9a.16), after the current scheduling<br />

period, in which no data will be<br />

transmitted for the concerned service. If<br />

the Next scheduling period is set to 0,<br />

data may be transmitted for the<br />

concerned service in the scheduling<br />

period immediately following the current<br />

scheduling period<br />

Version<br />

REL-6<br />

REL-6<br />

REL-6<br />

REL-6<br />

REL-6<br />

REL-6<br />

REL-6<br />

NOTE:<br />

If UTRAN se<strong>ts</strong> the value of the IE "Start" to a value less than or equal to 16 then the UE may not<br />

successfully receive the start of the MTCH transmission.<br />

10.2.16m MBMS UNMODIFIED SERVICES INFORMATION<br />

This message is transmitted periodically by UTRAN to inform UEs about the MBMS services, available in the current<br />

cell and possibly in neighbouring cells, that have not changed if the IE "MBMS all unmodified p-t-m services" is not<br />

included in the MBMS MODIFIED SERVICES INFORMATION message in this modification period. The message is<br />

repeated every repetition period while i<strong>ts</strong> conten<strong>ts</strong> does not change within a modification period.<br />

RLC-SAP: UM<br />

Logical channel: MCCH<br />

Direction: UTRAN → UE<br />

ETSI

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