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LTE: What does mean by S1 and X2 proxy functionality ?

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LTE: What does mean by S1 and X2 proxy functionality ?
posted Dec 14, 2013 by Harshita

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1 Answer

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The donor eNB (DeNB) is enhanced to provide S1 and X2 proxy functionality between the RN and other network nodes (other eNBs, MMEs and S-GWs). The S1 and X2 proxy functionality includes passing UE-dedicated S1 and X2 signalling messages as well as GTP data packets between the S1 and X2 interfaces associated with the RN and the S1 and X2 interfaces associated with other network nodes. Due to the proxy functionality, the DeNB appears as an MME (for S1-MME), an eNB (for X2) and an S-GW (for S1-U) to the RN.

answer Dec 16, 2013 by Prasad
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