Abstract
An important requirement in a military domain is a highly reliable mobility management method, especially when components of the networks are moving in tactical network environments. To increase reliability, the mobility management technology of the tactical network should be able to reflect the characteristics of the tactical network, such as a limited environment, failure, and hierarchical unit structure. In this paper, we propose a proxy-based hierarchical distributed mobility management scheme, which is highly focused on tactical networks. Considering the characteristics of tactical networks, the proposed scheme is composed of the following: 1) a proxy-based method, 2) a distributed mobility management method that synchronizes a mobility database between entities, and 3) a method of managing mobility by dividing the tactical network into upper and lower layers. Mathematical analysis and modeling and simulation results demonstrate that the method outperforms the existing state-of-the-art method in overcoming entity failure, handover cost, and delay in tactical environments.
Highlights
Information transmission and sharing play an important role in modern battlefield environments
4.1 Mathematical Analysis In this study, the performance of the proposed scheme was compared to the standard Mobile IP (MIP), PMIP, and Partially distributed mobility management (PDMM) schemes and PMIP-distributed mobility management (DMM) schemes through mathematical analysis in four scenarios in which the tactical network structure was considered
The three topologies suggested in the PMIP-DMM were used, and a topology was added to analyze the handover performance between subgroups
Summary
Information transmission and sharing play an important role in modern battlefield environments. Tactical networks are necessary for tactical communication, and they will be even more important when conducting a mission in network-centric operational environments in a future battlefield environment called network-centric warfare. To properly deliver mission-critical tactical messages, the tactical network must provide a high level of survivability, stability, and reliability. A tactical network is classified by a wireless-based point-to-point tactical backbone network (TBN) and a wireless mobile ad hoc network-based tactical maneuver network (TMN). Each military unit, including future soldiers and autonomous robot systems, must share battlefield information through TMNs connected to the TBNs and deliver battlefield information to commanders and senior units. A reliable mobility management system should ensure survivability and reliability
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