A scalable delay based analytical framework for CSMA/CA wireless mesh networks

Zhou, Jiazhen; Mitchell, K. J.

doi:10.1016/j.comnet.2009.05.013

Cited by 23 publications

(13 citation statements)

References 23 publications

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“…In [11] an optimization framework is presented to reach minimum average delay in a single channel WMN, while a loadaware routing metric was used in [12]. In [13] an heuristic algorithm was proposed to tackle the dynamic gateway selection problem.…”

Section: Static Mesh Routermentioning

confidence: 99%

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Minimum queue length load-balancing in planned Wireless Mesh Networks

Capdehourat

Larroca

Belzarena

2012

2012 International Symposium on Wireless Communication Systems (ISWCS)

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Wireless Mesh Networks (WMNS) have emerged in the last years as a cost-efficient alternative to traditional wired access networks. In order to fully exploit the intrinsically scarce resources WMNS possess, the use of dynamic routing has been proposed. We argue instead in favour of separating routing from forwarding (i.e.à la MPLS) and implementing a dynamic load-balancing scheme that forwards incoming packets along several pre-established paths in order to minimize a certain congestion function. In this paper, we consider a particular but very important scenario: a planned WMN where all bidirectional point-to-point links do not interfere with each other. Due to its versatility and simplicity, we use the sum over all links of the mean queue length as congestion function. A method to learn this function from measurements is presented, whereas simulations illustrate the framework.

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Section: Static Mesh Routermentioning

confidence: 99%

“…In particular, outdoor community mesh networks [2] and rural deployments [3], [4] based on IEEE 802. 11 have seen tremendous growth in the recent past. Under this scenario, the typical architecture (see Fig.…”

Section: Introductionmentioning

confidence: 99%

Minimum queue length load-balancing in planned Wireless Mesh Networks

Capdehourat

Larroca

Belzarena

2012

2012 International Symposium on Wireless Communication Systems (ISWCS)

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“…Scalability is also an important requirement for multiple access protocols for WMN. Unfortunately, most of the MAC and routing protocols for ad hoc network don't cater with the scalability requirements and only a few scalable MAC protocols are currently available (Zhou and Mitchell 2009). Therefore, designing scalable MAC protocols for WMN is an important area of research.…”

Section: Research Issues In Wmnmentioning

confidence: 99%

A Study of Research Trends and Issues in Wireless Ad Hoc Networks

Islam¹,

Shaikh

2016

Mobile Computing and Wireless Networks

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Ad hoc network enables network creation on the fly without support of any predefined infrastructure. The spontaneous erection of networks in anytime and anywhere fashion enables development of various novel applications based on ad hoc networks. However, at the same ad hoc network presents several new challenges. Different research proposals have came forward to resolve these challenges. This chapter provides a survey of current issues, solutions and research trends in wireless ad hoc network. Even though various surveys are already available on the topic, rapid developments in recent years call for an updated account on this topic. The chapter has been organized as follows. In the first part of the chapter, various ad hoc network's issues arising at different layers of TCP/IP protocol stack are presented. An overview of research proposals to address each of these issues is also provided. The second part of the chapter investigates various emerging models of ad hoc networks, discusses their distinctive properties and highlights various research issues arising due to these properties. We specifically provide discussion on ad hoc grids, ad hoc clouds, wireless mesh networks and cognitive radio ad hoc networks. The chapter ends with presenting summary of the current research on ad hoc network, ignored research areas and directions for further research.Keywords: Ad hoc network, research issues, ad hoc grid, ad hoc cloud, wireless mesh network, cognitive radio ad hoc network INTRODUCTIONDuring last few years, extensive developments have been observed in the domain of wireless network. Different communication technologies i.e. general packet radio service (GPRS), enhanced data rates for GSM evolution (EDGE) and worldwide interoperability for microwave access (WIMAX) etc. have evolved and newer form of computing devices i.e. personal digital assistant (PDA), tablets and smart phones are appearing in the market. The wireless computing has progressed from 1G to 4G communication networks. During this progression, various modes of wireless networking have emerged. The simplest form of wireless networking is communication among two or more fixed hosts in open air. The conventional television system operates on this mode. Another approach is wireless networking with access point. There are different wireless hosts that are allowed to move while the basic infrastructure is supported by set of fixed nodes called base stations or access points. However, this approach doesn't provide the flexibility to be used in emergency situations requiring quick deployment or networking in adversarial surroundings. The evolution of technologies has lead to development a new mode of wireless networking where the nodes arrange themselves on the fly in the form of a network without any infrastructure support. Such networks are called ad hoc networks. Properties of ad hoc networkFormally, Ad hoc Network G(N,E) is defined as a collection of nodes N={n 1 ,n 2 ,n 3 ,…} connected by edges ‫ܧ‬ ⊆ ܰ × ܰ (Islam and Shaikh 2012). The nodes are us...

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“…The load balance obtained as result of traffic distribution among different paths is more enhanced and thus the performance can be improved. [4] In order to perform the data splitting and transmission via two or more unlike paths to destination, multipath routing protocol is designed. The drawback is that multipath routing protocol cannot accomplish throughput due to the inter-intra flow channel competition and interference [5] The main goal of multipath routing is to construct mUltiple paths to enhance fault tolerance and decrease routing overheads.…”

Section: B Multipath Routing and Its Issuesmentioning

confidence: 99%

Multi path routing protocol for Improving Reliability in IEEE 802.16 Wireless Mesh networks

Valarmathi

Malmurugan

2011

3rd International Conference on Trendz in Information Sciences &Amp; Computing (TISC2011)

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In IEEE 802.16 Wireless Mesh networks (WMN), multipath routing is used to improve the reliability and load balancing. But existing multi path routing protocols for WMNs, causes congestion in the gateways because of routing and control message flooding. In this paper, a multipath routing protocol is proposed to improve the reliability and provide fault-tolerance in IEEE 802.16 WMNs. In this protocol, the interference and load of each link is determined based on which a combined routing metric is designed. Multiple shortest paths are then established and the path with least combined metric is chosen as primary path. In case of any failures in primary path, the data transmission can be rerouted through the backup path. By simulation results, we show that the proposed protocol has improved throughput with reduced delay and overhead when compared to the existing protocols.

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A scalable delay based analytical framework for CSMA/CA wireless mesh networks

Cited by 23 publications

References 23 publications

Minimum queue length load-balancing in planned Wireless Mesh Networks

Minimum queue length load-balancing in planned Wireless Mesh Networks

A Study of Research Trends and Issues in Wireless Ad Hoc Networks

Multi path routing protocol for Improving Reliability in IEEE 802.16 Wireless Mesh networks

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