QoS routing in ad hoc wireless networks

Lin, Chun-Hung Richard

doi:10.1109/lcn.1998.727644

Cited by 95 publications

(122 citation statements)

References 18 publications

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“…Joint optimization between time-slot (or code) allocation and routing has been reported in work on QoS routing in multihop wireless networks [22], [23]. In WMNs, a router is usually powerful enough to operate using multiple channels or even multiple radios.…”

Section: ) Methodology Of Routing/mac Cross-layer Designmentioning

confidence: 99%

Cross-Layer Design in Wireless Mesh Networks

Akyildiz

Wang²

2008

IEEE Trans. Veh. Technol.

109

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Abstract-The conventional layered-protocol architecture does not provide optimal performance for wireless mesh networks (WMNs). The method of optimization decomposition of the protocol stack can achieve optimal network performance. This method usually results in a clean-slate protocol architecture that is different from the protocol architecture of WMNs. Such a difference actually demonstrates the need for a cross-layer design. Specific features pertaining to WMNs also show the need for cross-layer optimization across different protocol layers. In this paper, motivations for cross-layer design in WMNs are stated first. Moreover, cross-layer optimization schemes and algorithms between different protocol layers are investigated with an objective of shedding light on open research problems and new approaches. Guidelines for carrying out cross-layer design in WMNs are also provided in this paper.

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Section: ) Methodology Of Routing/mac Cross-layer Designmentioning

confidence: 99%

Cross-Layer Design in Wireless Mesh Networks

Akyildiz

Wang²

2008

IEEE Trans. Veh. Technol.

109

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“…See [23], [24] for examples of routing protocols employing this metric for pathselection. Node relative mobility/stability can be measuredas the ratio of the number of neighbours that change over axed period to the number that remainthe same [25]. For example, if all of the node'sneighbors are the same over axed period, thatnode is completely stable in that period, relative to its neighbors.…”

Section: ) Link and Mac Layer Metricsmentioning

confidence: 99%

Quality- Of- Survey Routing Solutions forMobile Ad HocNetworks: A Review

Dash¹

2014

IOSRJECE

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“…A VC mechanism is implemented at call setup to enable a fast reservation scheme, where TDMA slots are reserved to VCs. In [25], each node broadcasts its QoS information during the control phase, at the end of which each node knows the channel reservation status of the next information phase.…”

Section: An Overview Of Ad Hoc Multicastingmentioning

confidence: 99%

Ad hoc quality of service multicast routing

Bür

Ersoy

2005

Computer Communications

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The conceptual shift in the expectations of the wireless users from voice towards multimedia, from availability towards acceptable quality, and from stand-alone towards group-oriented computing has a significant impact on today's networks in terms of the need for mobility, quality of service (QoS) and multicasting. Ad hoc networks, being independent of any fixed infrastructure, can provide mobile users with these features, if necessary QoS multicasting strategies are developed. The aim of this article is to define the building blocks of such an ad hoc QoS multicasting (AQM) protocol. AQM achieves multicasting efficiency by tracking the availability of resources for each node within its neighbourhood. Computation of free bandwidth is based on reservations made for ongoing sessions and similar information reported by neighbours. Current QoS status is announced at the initiation of a new session and updated periodically in the network to the extent of QoS provision. Thus, nodes are prevented from applying for membership if there is no QoS path for the session. When nodes join a session with certain service requirements, a request-reply-reserve process ensures that the QoS information is refreshed and used to select the most appropriate routes. To evaluate the efficiency of AQM in providing multicast users with QoS and satisfying application requirements, two new performance metrics, member and session satisfaction grades are introduced. AQM is compared to a non-QoS scheme with particular emphasis on these criteria. Simulation results show that, by applying QoS restrictions, AQM significantly improves multicasting efficiency. Thus, QoS is both essential for and applicable to multicasting in order to support mobile multimedia applications in ad hoc networks. q

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QoS routing in ad hoc wireless networks

Cited by 95 publications

References 18 publications

Cross-Layer Design in Wireless Mesh Networks

Cross-Layer Design in Wireless Mesh Networks

Quality- Of- Survey Routing Solutions forMobile Ad HocNetworks: A Review

Ad hoc quality of service multicast routing

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