| Summary: | 碩士 === 國立中央大學 === 資訊工程研究所 === 94 === Abstract
A mobile ad hoc network is a collection of wireless terminals that can be deployed rapidly. Its deficiencies include limited wireless bandwidth efficiency, low throughput, large delays, and weak security. Integrating it with 802.16 networks, via a well established 802.16 security architecture for ad hoc network security managements, can improve communication and security in ad hoc networks. This research proposes WMANs Guided Mobile Ad Hoc Network (WGMA) architecture, in which a WGMA agent in the WMANs provides key management, distribution and route decision. A Secure Agent Guided Routing Protocol (SAGRP) is proposed. The routing and security information is exchanged between the nodes and the agent through SS. Using the AK for each node and the TEK for each service flow, can do node to node authentication and can prevent attacks using modification, impersonation and fabrication. Simulation results show that the ad hoc network performance can be greatly improved with the higher throughput and lesser delay and routing load than AODV.
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