Fast Handover in Hierarchical Mobile IPv6 Based on Motion Pattern Detection of Mobile Node
Wireless Personal Communications: An International Journal
Proportional bandwidth adjustment using BER ratios, in a two-tier hierarchical NEMO system
Wireless Communications & Mobile Computing
Impact of L2 Triggering Time on Handover Performance for 4G Wireless Networks
Wireless Personal Communications: An International Journal
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When a mobile network dynamically changes its point of attachment to the Internet, the various types of movements by a mobile router require handovers, and network mobility (NEMO) is concerned with the management of this movement of mobile networks. Accordingly, this paper investigates the mobile router movement patterns in NEMO network environments, and defines fast hierarchical NEMO handover scenarios based on classified movement patterns. Due to unexpected link breakdowns during the handover procedure, the NEMO handover requires additional latency and packet delivery costs depending on when the breaks occur. For the various handover failure cases, it is also essential to analyze these overhead costs to evaluate and compare the performance of a fast handover. In this paper, the overheads associated with a NEMO fast handover include the latency, buffering cost, and packet loss cost, all of which are formulated based on a timing diagram.