SURE -- Summer Undergraduate Research Experience

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SURE -- Summer Undergraduate Research Experience

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Support for Multimedia Traffic in Mobile, Distributed, Multiple-Hop Wireless Networks

Advisor: Prof. Harlan Russell

The proposed topic introduces an undergraduate student to wireless communication networks, and through the use of existing research tools allows the student to investigate various tradeoffs in the design of distributed protocols to support multimedia traffic. Packet radio networks can provide wireless communication among mobile terminals for situations in which centralized controllers or base stations are unavailable. To be able to maintain a reliable network, adaptive link and network layer protocols that can operate efficiently in a dynamic environment are required.

For the REU program, we propose to extend previous work on multimedia least-resistance routing, a decentralized and distributed routing protocol that selects routes based on both the multiple-access and partial-band interference at each of the radios in the network and on the quality-of-service requirements for the type of multimedia traffic being forwarded. The routing protocol is closely integrated with a virtual circuit protocol that supports traffic with near real-time delay requirements (e.g., voice and video). We will examine the interaction between the routing and virtual circuit protocols under a variety of scenarios and improve the ability of the two protocols to maintain acceptable service levels for voice and video traffic. An existing simulation of a multiple-hop packet radio network will be employed ensuring that the investigations of the network protocols are conducted with a realistic model of a wireless network. The discrete-event simulation program provides detailed models for the interference environment and includes a full implementation of the channel-access and network layer protocols.

An undergraduate student that successfully completes this project will be prepared to continue research in a graduate program in the areas of computer networks and the application of networking techniques to wireless communication networks. In addition, the student will gain experience in discrete-event simulation design, digital communication theory, and stochastic modeling techniques.

Honor Roll at Clemson University


College of Engineering and Science -- Holcombe Department of Electrical and Computer Engineering
Wireless Communications Program

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