NDLI: A cross-layer on-demand routing protocol for delay-sensitive applications

Content Provider	IEEE Xplore Digital Library
Author	Romdhani, L. Bonnet, C.
Copyright Year	2005
Description	Author affiliation: Inst. Eurecom (Romdhani, L.; Bonnet, C.)
Abstract	Nowadays, the cross-layer design approach is an important concept in mobile ad-hoc networks which is adopted to solve several open issues. It aims to overcome MANET performance problems by allowing protocols belonging to different layers to cooperate and share network status information while still maintaining separated layers. Indeed, the mechanisms on how to access the radio channel are extremely important in order to guarantee QoS and improve application performance. In this work, we present a cross layer routing protocol called CLAE which is based on the cooperation between the on-demand AODV routing protocol and the new IEEE 802.11e MAC protocol (EDCA). This proposal aims to find the best path according to application requirements in terms of delay, bandwidth, route stability, etc. Without loss of generality, this paper focuses only on determining the path with the lowest delay. Each node periodically estimates the average transmission delay for each class of service defined by 802.11e. This information is injected into routing requests and replies crossing each node. The sender is then able to select the best path which fits its delay requirement. Furthermore, in order to overcome transient network characteristics due to new communications set up and mobility, we develop a new buffer management scheme for the audio class of service that aims to discriminate audio packets according to their tolerated end-to-end transfer delay and their current experienced delay. The simulation results demonstrate that our proposal improves the performance of delay-sensitive applications while maintaining a good packet delivery ratio of other traffics
Starting Page	994
Ending Page	998
File Size	2507071
Page Count	5
File Format	PDF
ISBN	9783800729098
DOI	10.1109/PIMRC.2005.1651590
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-09-11
Publisher Place	Germany
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Routing protocols Cross layer design Access protocols Proposals Delay estimation Disruption tolerant networking Ad hoc networks Mobile ad hoc networks Media Access Protocol Bandwidth delay-sensitive applications mobile ad hoc networks cross-layer design routing protocol quality of service
Content Type	Text
Resource Type	Article

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