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LTE 기반 Mobile IPTV 네트워크 구조 - Push File with eMBMS
End-to-end LTE Mobile IPTV - Push File with eMBMS
September 18, 2012 | By Netmanias (tech@netmanias.com)
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코멘트 (5)
13

 

 

Kumar 2013-03-01 19:05:29
Very interesting....

From the diagram,

Is the pay load delivered by MBMS GW directly to UE ?
How BM-SC will alert UEs ? By co-ordinating with HSS+MME ? Or on its own ?
넷매니아즈 2013-03-08 18:59:40
I've missed this question. --;;

[Q1] Is the pay load delivered by MBMS GW directly to UE ?
-->
It's sent to UE via eNB.
(MBMS-GW broadcasts the MBMS packet (means the payload in your question) to eNBs over IP multicast.
Then, eNB broadcasts the MBMS packet to UEs through multicast traffic channel (MTCH) over radio link.)

[Q2] How BM-SC will alert UEs ? By co-ordinating with HSS+MME ? Or on its own ?
-->
Before sending MBMS data, BM-SC initiates the MBMS session start procedure ("MBMS Session Start Request" message: BM-SC -> MBMS-GW -> MME -> (MCE ->) eNB).
Upon receiving the “MBMS Session Start Request" message, the eNB alerts UEs by informing that there's control info for MBMS data being sent.

Thanks..
Richard 2015-05-11 14:17:48

Is it possible that eMBMS service is available without attach to EPS?

 

Chris Yoo 2015-05-13 03:17:25

No! eMBMS physical layer scheduling/control information is specified in SIB 2 and SIB 13, and UE is able to read those System Information Blocks (SIBs) after attaching to LTE network.

Also note that in accordance with TS 26.346, Unicast traffics such as bootstrap, file repair and reception report are required for eMBMS service.

권민석 2015-06-01 12:04:23

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