Cross-Layer Design for QoS in Wireless Mesh Networks

Liu, Chi Harold; Gkelias, Athanasios; Hou, Yun; Leung, Kin K.

doi:10.1007/s11277-009-9756-6

Cited by 16 publications

(7 citation statements)

References 34 publications

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“…Therefore, the performance of the different layer protocols such as TCP and Internet protocol is only optimum when applied to wired networks and not in wireless networks . For wireless networks, the use of CLD to exchange wireless link information has increased performance in some wireless networking scenarios . The disadvantage of cross‐layer is that different strategies need to be developed for different network applications and requirements.…”

Section: Cross‐layer Principlesmentioning

confidence: 99%

“…This has motivated the idea of CLD in recent years to use information from adjacent or non‐adjacent layers. In recent publications, cross‐layer joint optimization of two or more layers has shown to improve performance in terms quality of service (QoS) such as improved throughput, packet loss reduction and reduction in end‐to‐end delay . The MAC layer experiences more delay because of collisions, routing based on the multi‐hop architecture and an increase in contention in the shared medium with multiple nodes contending for the medium in WMNs.…”

Section: Introductionmentioning

confidence: 99%

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A survey of cross‐layer protocols for IEEE 802.11 wireless multi‐hop mesh networks

Sheikh

Wolhuter

Engelbrecht

2016

Int J Communication

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There has been an escalation in deployment and research of wireless mesh networks by both the business community and academia in the last few years. Their attractive characteristics include low deployment cost, a low-cost option to extend network coverage and ease of maintenance due to their self-healing properties. Multiple routes exist between the sender and receiver nodes because of the mesh layout that ensures network connectivity even when node or link failures occur. Recent advances among others include routing metrics, optimum routing, security, scheduling, cross-layer designs and physical layer techniques. However, there are still challenges in wireless mesh networks as discussed in this paper that need to be addressed. Crosslayer design allows information from adjacent and non-adjacent layers to be used at a particular layer for performance improvement. This paper presents a survey of cross-layer protocol design approaches applied to the IEEE 802.11 standards for wireless multi-hop mesh networks that have been proposed over the last few years for improved performance. We summarize the current research efforts in cross-layer protocol design using the IEEE 802.11 standard in identifying unsolved issues that are a promising avenue to further research.Section 3 presents some WMN protocol and design challenges that arise because of the architecture of WMNs. Section 4 gives a brief overview of CLD principles and presents the different cross-layer signalling architectures found in research to utilize information from different layers. The signalling architectures show that information can be used directly by non-adjacent or adjacent layers; by the use of a central database or server and any layer can use information from it; by interlayer signalling where the information passes through all layers and any layer can use it; and finally, by the use of information from a layer at a different node.Section 5 presents the survey on the application of CLD to WMNs to address some of the challenges in WMNs. The proposed cross-layer solutions are classified according to the cross-layer signalling architectures presented in Section 4. Many solutions are classified as using the networkwide cross-layer signalling architecture that includes among others routing metrics and soft computing techniques used in multi-path routing. Table III presents an individual summary of these articles. The table also presents the essence of the individual techniques. Table IV presents a comparison between the different approaches in terms of the modifications made to the layer architecture by these different cross-layer applications.The majority of the applications of CLD have been in the area of routing. In Section 6, we further assess the suitability of the proposed cross-layer protocols for use in three proposed use case scenarios. The comparisons, classifications and suitability by analysing the cross-layer protocol designing approaches are solely the views of the authors in this survey paper.Section 7 presents some future research directi...

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Section: Cross‐layer Principlesmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

A survey of cross‐layer protocols for IEEE 802.11 wireless multi‐hop mesh networks

Sheikh

Wolhuter

Engelbrecht

2016

Int J Communication

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“…Chi Harold Liu et al(2009) [15] have studied Cross-layer design for quality of service (QoS) in wireless mesh networks which can be expected to guide various forms of applications with different and multiple QoS and grade-of-service (GoS) requirements. In order to achieve the exact same various technologies have now been exploited and algorithm must be designed.…”

Section: Ronghuihou Eta Al(2009)mentioning

confidence: 99%

Trends Towards Multi-Radio and Multi-Channel based Wireless Mesh Networks

Kaur¹

2015

IJCA

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This paper is a review on QoS issue of wireless mesh networks. QoS comes up with a great collection of networking technologies and procedures that guarantees the capability of a network to deliver with predictable consequences. WMNs have emerged as a flexible, reliable and cost effective way of providing broadband internet access over wide areas through multi hop communication. This paper has reviewed different routing protocols used in the WMNs. The overall objective of this paper is to explore the various short comings of the routing protocols of WMNs.

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“…The layered design makes it possible to change or update parts of it without affecting the whole protocol. However, the inflexibility and suboptimality of this paradigm result in poor performance for multi-hop wireless networks in general and more specifically for WSANs, especially when the application has high bandwidth needs and/or stringent delay constraints (Liu et al, 2009). Crosslayer design allows to communicate layers (such as physical and network layers) which traditionally have been independent in order to exchange more information that can be used to improve efficiency.…”

Section: Cross Layer Architecturementioning

confidence: 99%