Enhancing QoS for Multimedia Services Using Mobility-Aware Bandwidth Estimation Algorithm in MANETs

  • Lokesh Sharma
  • Chhagan Lal
  • Devi Prasad Sharma
  • Pallavi Kaliyar
Conference paper
Part of the Lecture Notes in Electrical Engineering book series (LNEE, volume 472)

Abstract

Over the years, a large array of multimedia services started using mobile ad hoc networks (MANETs) due to its attractive features such as low-cost quick deployment, node mobility, and distributed networking. However, multimedia applications also require provisioning of adequate quality of service (QoS) to enhance quality of experience (QoE) of end users. In order to provide QoS in a network, the accurate knowledge of the remaining network resources at any time is the key. But, due to the inherent characteristics of MANETs such as dynamic topology, high bit-error-rate communication channels, and decentralized control, estimating remaining network resources is a challenging task. In this paper, we propose a novel remaining bandwidth estimation algorithm which considers the node (or link) mobility into consideration while performing dynamic bandwidth estimation on a node. The estimated link bandwidth value is then used during the route discovery process to select routes with adequate bandwidth and thus increases the QoS of the data flow. The proposed algorithm is verified using real-time video traffic (i.e., H.264/SVC encoded video traces) using a industry standard simulator called Qualnet. The simulation results show that the proposed approach increases the decision accuracy of the soft admission control process and thus leads to the enhancement of the quality of the received video traffic.

Keywords

Mobility QoS Bandwidth estimation AODV 

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Copyright information

© Springer Nature Singapore Pte Ltd. 2018

Authors and Affiliations

  • Lokesh Sharma
    • 1
  • Chhagan Lal
    • 2
  • Devi Prasad Sharma
    • 1
  • Pallavi Kaliyar
    • 3
  1. 1.Manipal University JaipurJaipurIndia
  2. 2.University of PadovaPadovaItaly
  3. 3.SKIT, College of EngineeringJaipurIndia

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