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Enhancing the Performance of Ad Hoc Wireless Networks with Smart Antennas




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ISBN 9780849350818
Published May 3, 2006 by Auerbach Publications
208 Pages - 64 B/W Illustrations

 
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Book Description

A large portion of the network capacity of an ad hoc network can be wasted by the medium access mechanisms of omni-directional antennas. To overcome this problem, researchers propose the use of directional or adaptive antennas that largely reduce radio interference, improving the utilization of wireless medium and the resulting network throughput.

Enhancing the Performance of Ad Hoc Wireless Networks with Smart Antennas discusses these issues and challenges. Following an introduction to ad hoc networks, it presents an overview of basic Media Access Control (MAC) and routing protocols in ad hoc networks with omni-directional antennas. The book then focuses on the use of smart antennas in ad hoc networks and reviews the strategies used in designing MAC and routing protocols for improved medium utilization and improved routing performance with effective load balancing. Finally, it analyzes the design issues related to priority based quality-of-service (QoS) routing protocols, illustrating the potential of these antennas in comparison to omni directional antennas. The book concludes with an examination of open problems and challenges for ad hoc networks.

Table of Contents

Introduction
Ad Hoc Networks: A Preamble
Characteristics of Ad Hoc Networks
Some Prospective Usages of Ad Hoc Networks
Some Research Challenges
Performance Evaluation Techniques
Organization of the Book

The Issues and Challenges in Designing MAC and Routing
Protocols
Media Access Control Techniques
Routing Protocols in Ad Hoc Wireless Networks
Performance Evaluation Techniques

Location Tracking and Media Access Control Using Smart
Antennas
Introduction
Introduction to Smart Antennas
Location-Tracking Mechanisms for Neighborhood Discovery
Directional Media Access Control Protocols
A Few Assumptions and the Rationales
Performance Evaluation
Discussion

Location Tracking and Location Estimation of Nodes in Ad Hoc
Networks: A Testbed Implementation
Introduction
Location Tracking and Neighborhood Discovery
Location Estimation
Implementation Results
Error in Location Estimation: A Simulation Study
Discussion

A Routing Strategy for Effective Load Balancing Using Smart
Antennas
Introduction
System Description
Network-Aware Routing with Maximally Zone-Disjoint Shortest Path:
An Analysis
Maximally Zone-Disjoint Multipath Routing
Performance Evaluation
Discussions

Priority-Based QoS Routing Protocols Using Smart Antennas
Introduction
A Few Related Definitions
Priority-Based QoS Routing Using Zone Reservation
Priority-Based Flow-Rate Control for QoS Provisioning
Using Feedback Control
Service Differentiation in Multi-Hop Intervehicular Communication
Discussions

Conclusion

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