earticle

영어

A mobile ad-hoc network (MANET) is a group of wireless mobile nodes that dynamically form a network without any pre-established infrastructure or centralized administration. Because of the limited communication range between mobile nodes in ad hoc networks, several network hops may be needed to deliver a packet from one node to another one in the wireless networks. To do this communication, a routing protocol is used to determine routes between these nodes. Unfortunately, the mobility of the nodes can cause the network to change rapidly resulting in an unpredictability of the routes between any two nodes. This is the central dilemma in mobile ad-hoc network routing because the links are not reliable and can fail anytime. In this article we explore the key design tradeoffs that need to be considered when designing mobile devices to operate in ad-hoc mode. In particular, we explore the performance impact several of routing protocols based on the mobility rate and number of active sources.