13 February 2016 Efficient eNB inter-communication scheme in converged mobile and NG-PON2 system
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In LTE, a new X2-interface is defined to facilitate direct communication between neighboring eNBs. Since LTE is an all-IP network, the X2-interface traffic currently needs to be routed and transponded in L3 at the edge router by IP addressing. As mobile data increases, it is a promising trend to backhaul mobile services based on PON. In this paper, an effective approach for eNB inter-communication over TWDM-PON is proposed. By associating the IP address of eNB and the MAC address of ONU, the “inter-eNB communication in L3" can be mapped into "inter-ONU communication in L2" and transponded via the protocol of PON at the OLT. Thus, fast and cost-effective eNB inter-communication can be realized based on TWDM-PON within one wavelength channel and between different wavelength channels. The increasing data traffic pressure to the core network can also be alleviated.
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Simiao Xiao, Simiao Xiao, Xiao Sun, Xiao Sun, Kaibin Zhang, Kaibin Zhang, } "Efficient eNB inter-communication scheme in converged mobile and NG-PON2 system", Proc. SPIE 9773, Optical Metro Networks and Short-Haul Systems VIII, 97730G (13 February 2016); doi: 10.1117/12.2212968; https://doi.org/10.1117/12.2212968

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