Recently, quality-of-service routing in dynamic, wireless multi-hop ad hoc networks becomes a hot research topic, and various QoS protocols are proposed Even so, popular QoS routing protocols rarely provide multiple routes. Once links break due to node mobility, establishment of new routes leads to large control overhead and more end-to-end delay. In MANETs to support multimedia applications such as video and voice require an efficient routing protocol and quality of service (QoS) mechanism. This paper presents a multipath QoS routing protocol for mobile ad hoc networks to support throughput and delay sensitive real-time applications in these networks. A simple route stability model is utilized during both route discovery and maintenance phases for selecting QoS routes with higher stability. The reliability of the multiple QoS routes is improved through node disjointness and stability properties of the discovered routes. Extensive simulation studies show that the proposed routing protocol can support higher level of QoS in terms of packet delivery ratio, average end-to-end delay and jitter.

 

Published In : IJCSN Journal Volume 3, Issue 4

Date of Publication : 01 August 2014

Pages : 176 - 182

Figures : 09

Tables : --

Publication Link : Multipath QoS Routing for Mobile Ad Hoc Networks

 

 

 

Dr. M. Sivajothi : received the M.Sc degree from Alagappa University, Karaikudi in 1988 and M.Phil in Computer Science from Mother Teresa Women’s University, Kodaikanal in 2000. She received the PhD from the same university in 2012. She is working as the Associate Professor of Computer Science in Sri Parasakthi College for women, Courtallam. Her research is in the area of Ad Hoc Wireless Mobile Networks.

 

 

 

 

 

 

 

Mobile ad hoc networks

Multipath routing

Route stability and Quality of service

Route stability-based multipath QoS routing (RSMQR)

In this paper, RSMQR is proposed to provide QoS (delay and throughput) assurance to applications in MANETs. The use of a simple route stability model in the proposed multipath routing significantly reduces the number of route recoveries required during QoS data transmission. Simulation results show better performance of SMQR in terms of average end-to-end delay, packet delivery ratio, and maximum delay jitter.

 

 

 

 

 

 

 

 

 

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