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QoS Based Handover Technique for Network Based Network Mobility (N-NEMO)


Ravi V Angadi, K.C Shet


Vol. 13  No. 7  pp. 34-41


In network based network mobility (N-NEMO), the automatic network selection during the mobility and handover scenarios are very challenging process. Most of the existing works concentrate only on selection of target network during handover execution. Also the user’s Quality of Service (QoS) requirements are not taken into consideration. Approach: In this paper, we propose a QoS based handover technique for network-based network mobility (N-NEMO). The proposed architecture uses tunnel splitting scheme that establishes the global tunnel among local mobility anchor (LMA) and mobile access gateway (MAG) and local tunnel among mobile router (MR) and MAG respectively. Each mobile node estimates the QoS preferences such as bandwidth, battery power, received signal strength and link quality. Based on the estimated value, the priority list of MAG is build so that the best suitable MAG appears first in the list. The generated priority list is sent to the core network along with the handover request. Based on the handover scenario, core network executes either inter-domain or intra-domain handover technique. Results: By simulation results, we show that the proposed technique is efficient in terms of throughput, bandwidth usage, power conservation and delay.


Network Mobility (NEMO), Mobile Access Gateway (MAG), Quality of Service (QoS).