MULTI-TIER MANET’S
Journal Title: International Journal of Engineering, Science and Mathematics - Year 2012, Vol 2, Issue 5
Abstract
While mobile ad-hoc networking (MANET) research has received a considerable attention in recent years, the majority of them have focused on single-tier (e.g., ground) and homogeneous (e.g., same radio for every node) MANET. Few have investigated the potential implications of multi-tier and heterogeneous natures of MANET on the design and performance of MANET protocols in a systematic manner. For example, one of the stark differences between single-tier and multi-tier MANET environments is that the multi-tier MANET naturally creates ―coverage asymmetry ‖ due to the much larger coverage area by airborne nodes compared to ground nodes. Consequently, the number of ―neighbors ‖ an airborne node sees can be potentially several orders of magnitude larger than that of a ground node. Treating this airborne node same as any ground node will adversely affect the performance of medium access control (MAC) and/or routing MANET protocols. In this paper, we present a detailed multi-tier MANET architecture, associated issues, and protocols developed. We present a new approach for routing in multi-tier heterogeneous wireless mobile ad hoc networks. This protocol, namely multivirtual backbone protocol (MVP), naturally addresses key challenges arising from multi-tier wireless networks such as the coverage asymmetry and node heterogeneity. It also supports various QoS needs by constructing and maintaining QoS-specific virtual backbone infrastructure.
Authors and Affiliations
Er. Banita Chadha and Ankit Chadha
Keywords
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