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What is the use M1 interface in LTE network?

+4 votes
What is the use M1 interface in LTE network?
posted Oct 27, 2014 by anonymous

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2 Answers

+1 vote

M1 is interface between eNodeB and MBMS Gateway.Each MBMS gateway forwards the data to the appropriate base stations across the M1interface, along with a header that indicates each packet’s transmission time.

answer Oct 30, 2014 by Rahul Jay
0 votes

M1 interface is between MBMS-GW and eNodeB and mainly used by MBMS-GW to send IP multicast packets to eNodeB.

It is uni-directional interface which means that only MBMS-GW can send data packets to eNodeB but packets in reverse direction is not supported.

answer Oct 28, 2014 by Salil Agrawal
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+1 vote

I am new to IOT and came across two possible deployment options (Cat M1- eMTC and NB-IOT). I know LTE technology (Radio and Core both) but I could not understand how these options would be integrated with existing LTE network. Please someone put some light on that.

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