Abstract
Mobile ad hoc networks (MANETs) are self-configuring networks of nodes connected via wireless without any form of centralized administration. This kind of networks is currently one of the most important research subjects due to a huge variety of applications (military, emergency, etc.). In MANETs, each node acts both as a host and as a router, thus it must be capable of forwarding packets to other nodes. Because of the node mobility, topologies of these networks change frequently. Traditional routing protocols used in wired networks cannot work efficiently in MANETs. Therefore, special routing protocols for MANETs are needed. The objective of this paper is to research the current state of the art of existing routing protocols for MANETs, and to compare different approaches. Routing protocols are classified according to the method of forwarding packets into unicast, multicast and broadcast. There are three main classes of unicast routing protocols for MANETs: proactive, reactive and hybrid.
Highlights
A mobile ad hoc network (MANET) is a dynamic network that allows wireless networking on the go, without the need for pre-built network infrastructure
Ove informacije zatim se koriste u odluci za reemitovanjem paketa
Datum konačnog prihvatanja članka za objavljivanje/ Paper accepted for publishing on: 19. 04. 2014
Summary
Sažetak: Mobilne ad hoc mreže (MANET) jesu samokonfigurišuće mreže čvorova povezanih bežičnim vezama bez bilo kakvog oblika centralizovanog upravljanja. U mobilnim ad hoc mrežama bežični uređaji detektuju prisustvo drugih uređaja radi formiranja funkcionalne mreže. Da bi podržali takve komunikacije, bežični uređaji u mobilnim ad hoc mrežama funkcionišu istovremeno i kao terminali i kao ruteri, što znači da mogu prosleđivati pakete podataka od izvora do odredišta. MANET mreža može raditi kao samostalna mreža, ili se može integrisati sa spoljnim mrežama, kao što je globalna internet mreža preko gejtveja MANET mreža je sposobna da izlaskom nekog čvora ili više njih iz mreže ne izgubi poslate pakete, već da sama pronađe novu rutu do odredišnog čvora. S obzirom na to da se bežične tehnologije neprestano razvijaju, primena mobilnih ad hoc mreža postaje moguća i u civilnom okruženju komunikacije sa ličnim uređajima, kao što su PDA uređaji, mobilni telefoni i prenosni računari
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