Cross-Layer Radio Resource Management Protocols for QoS Provisioning in Multimedia Wireless Networks

2010 ◽  
pp. 463-486
Author(s):  
Tarek Bejaoui ◽  
Nidal Nasser
Keyword(s):  
Wireless Networks ◽  
Real Time ◽  
Packet Scheduling ◽  
Radio Resource Management ◽  
Cross Layer ◽  
Cross Layer Design ◽  
Qos Provisioning ◽  
Multimedia Wireless Networks ◽  
The Cross ◽  
Layered Design

This chapter introduces the cross layer design for resource allocation over multimedia wireless networks. Conventional layered packet scheduling and call admission control schemes are presented and a number of cross-layered protocols that are recently proposed are investigated. The chapter highlights the QoS improvement and the performance gain obtained while considering the interlayer dependencies concept for various real-time and non-real-time applications. The authors hope that this chapter will assist in the understanding of the cross layering and its enhancement of the layered design for QoS provisioning in future multimedia wireless networks.

Cross-Layer Radio Resource Management Protocols for QoS Provisioning in Multimedia Wireless Networks

2010 ◽  
pp. 417-441
Author(s):  
Tarek Bejaoui ◽  
Nidal Nasser
Keyword(s):  
Wireless Networks ◽  
Real Time ◽  
Packet Scheduling ◽  
Radio Resource Management ◽  
Cross Layer ◽  
Cross Layer Design ◽  
Qos Provisioning ◽  
Multimedia Wireless Networks ◽  
The Cross ◽  
Layered Design

This chapter introduces the cross layer design for resource allocation over multimedia wireless networks. Conventional layered packet scheduling and call admission control schemes are presented and a number of cross-layered protocols that are recently proposed are investigated. The chapter highlights the QoS improvement and the performance gain obtained while considering the interlayer dependencies concept for various real-time and non-real-time applications. The authors hope that this chapter will assist in the understanding of the cross layering and its enhancement of the layered design for QoS provisioning in future multimedia wireless networks.

Formal Methods in Cross Layer Modeling and Optimization of Wireless Networks

2010 ◽  
pp. 410-436 ◽  
Author(s):  
Dzmitry Kliazovich ◽  
Michael Devetsikiotis ◽  
Fabrizio Granelli
Keyword(s):  
Wireless Networks ◽  
Formal Methods ◽  
Cross Layer ◽  
Cross Layer Design ◽  
Future Directions ◽  
Modeling And Optimization ◽  
Wired Networks ◽  
Fast Development ◽  
The Cross ◽  
Cross Layering

The layering principle has been long identified as a way to increase the interoperability and to improve the design of telecommunication protocols, where each layer offers services to adjacent upper layers and requires functionalities from adjacent lower ones. In the past, layering has enabled fast development of interoperable systems, but at the same time limited the performance of the overall architecture, due to the lack of coordination among layers. This issue is particularly relevant for wireless networks, where the very physical nature of the transmission medium introduces several performance limitations for protocols designed for wired networks. To overcome these limitations, a modification of the layering paradigm has been proposed, namely, cross-layer design, or “cross-layering.” Several cross-layering approaches have been proposed in the literature so far. Nevertheless, little formal characterization of the cross-layer interaction among different levels of the protocol stack is available yet. A clear need exists for identifying approaches able to analyze and provide quantitative guidelines for the design of cross-layer solutions, and, more importantly, to decide, in each case, whether cross-layering represents an effective solution or not. This chapter provides a detailed survey of the state-of-the-art and future directions in the usage of formal methods for cross-layer modeling and optimization of wireless networks. The text starts by detailing the principles of layered (ISO/OSI and TCP/IP) protocol stacks as well as the cross-layer paradigm. An overview of the architectures of existing and perspective wireless networks is presented along with an analysis of the potential limitations deriving from the layering approach and detailed description of possible optimization solutions enabled by cross-layer design. Subsequent sections are devoted to the issues of modeling and optimization of wireless networks. The remaining sections cover performance optimization as well as architecture optimization (specifically in terms of signaling). The chapter ends with a summary and outlines about future directions of research on the topic.

scholarly journals Design and Development of Optimization Agent in Cross Layered Framework

2021 ◽  
pp. 427-433
Author(s):  
Lokesh S ◽  
Jayasri B. S
Keyword(s):  
Real Time ◽  
Ad Hoc ◽  
Cross Layer ◽  
Cross Layer Design ◽  
Network Architectures ◽  
Energy Aware ◽  
Broadband Wireless ◽  
Hoc Networks ◽  
Layered Design ◽  
New Generation

A Cross Layered framework is an important concept in today’s world given the abundant usage of both single-path and multi path wireless network architectures. One of the important design issues in the development of a robust framework such as this is the design of an Optimization Agent or an OA. In recent days of wireless and wired ad-hoc networks, cross-layer design was brought about a few years back to explore attached optimization at different layers. In order to describe solutions in cross-layered design, the Open System Intercommunications model was employed. However, it is clear that no voice and reference mechanism exists to aid optimization, which could effectively halt effective adaptability and deployment of cross-layered solutions. In this study, we suggest some hypotheses regarding how to model and create cross-layer solutions using the OSI layered method. We use the aforementioned method to analyse and simulate a particular type of cross-layered solution, namely energy-aware routing protocols. We use a layered approach to examine two proposals that are accessible in the literature. The applied strategy leads to the creation of an energy- aware, one-of-a-kind solution that outperforms prior versions and provides interesting and clear insights into the function that each layer plays in the overall optimization process. The network throughput, utilization, and reliability have all increased practically rapidly in the last few years. With the emergence of broadband wireless and wired cellular networks, as well as mobile adhoc networks (MANETs) and improved computational capacity, a new generation of apps, especially real-time multimedia applications, has emerged. Delivering real-time multimedia traffic across a sophisticated network like the Internet could be a particularly difficult undertaking, as these applications have stringent bandwidth and other quality-of-service (QoS) requirements.

Formal Methods in Cross Layer Modeling and Optimization of Wireless Networks

2009 ◽  
pp. 1-24 ◽  
Author(s):  
Dzmitry Kliazovich ◽  
Michael Devetsikiotis ◽  
Fabrizio Granelli
Keyword(s):  
Wireless Networks ◽  
Formal Methods ◽  
Cross Layer ◽  
Cross Layer Design ◽  
Future Directions ◽  
Modeling And Optimization ◽  
Wired Networks ◽  
Fast Development ◽  
The Cross ◽  
Cross Layering

The layering principle has been long identified as a way to increase the interoperability and to improve the design of telecommunication protocols, where each layer offers services to adjacent upper layers and requires functionalities from adjacent lower ones. In the past, layering has enabled fast development of interoperable systems, but at the same time limited the performance of the overall architecture, due to the lack of coordination among layers. This issue is particularly relevant for wireless networks, where the very physical nature of the transmission medium introduces several performance limitations for protocols designed for wired networks. To overcome these limitations, a modification of the layering paradigm has been proposed, namely, cross-layer design, or “cross-layering.” Several cross-layering approaches have been proposed in the literature so far. Nevertheless, little formal characterization of the cross-layer interaction among different levels of the protocol stack is available yet. A clear need exists for identifying approaches able to analyze and provide quantitative guidelines for the design of cross-layer solutions, and, more importantly, to decide, in each case, whether cross-layering represents an effective solution or not. This chapter provides a detailed survey of the state-of-the-art and future directions in the usage of formal methods for cross-layer modeling and optimization of wireless networks. The text starts by detailing the principles of layered (ISO/OSI and TCP/IP) protocol stacks as well as the cross-layer paradigm. An overview of the architectures of existing and perspective wireless networks is presented along with an analysis of the potential limitations deriving from the layering approach and detailed description of possible optimization solutions enabled by cross-layer design. Subsequent sections are devoted to the issues of modeling and optimization of wireless networks. The remaining sections cover performance optimization as well as architecture optimization (specifically in terms of signaling). The chapter ends with a summary and outlines about future directions of research on the topic.

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