Capacity of Single-Radio Ad-hoc Networks for Handling High Bit Rate Real-time Internet Applications

University of Nebraska - Lincoln
Publication Type:
Conference Proceeding
Proceedings of the 5th Workshop on the Internet, Telecommunications and Signal Processing, 2006, pp. 1 - 6
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Until now, the main focus in ad hoc networking has been improving Routing and Medium Access Control (MAC) Strategies. As a result, a diverse range of routing and MAC protocols have been proposed. To evaluate these protocols, much of the existing research has been based on simulation scenarios which assume ideal channel conditions and low node and traffic densities. Therefore, despite a few studies which have shown the performance limitations of ad hoc networks theoretically, there has not been many simulation studies performed which investigate the performance of ad hoc networks under a high node and traffic density. This paper investigates the performance of ad hoc networks under a high node density and high-bit rate real-time traffic such as VoIP. Our results show that the performane of single radio ad hoc networks drops significantly as traffic density is increased. To improve the performance of ad hoc networks, a number of different strategies and research areas are described.
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