University of Twente Student Theses


Radio Resource Discovery for Ad-hoc Wireless Networking

Moseley, N.A. (2004) Radio Resource Discovery for Ad-hoc Wireless Networking.

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Abstract:The radio spectrum has almost been fully allocated and the point where no more services can be added is near. This fact calls for a different spectrum management approach. Such an approach is radio resource discovery. This report describes methods for determining unused or under utilized parts of the radio spectrum. These part, or bands, are identified by a radio resource discovery algorithm by means of power measurements. From the power measurements an activity map is generated. The activity map generated by the radio resource discovery algorithm is then used by ad-hoc networking systems to position themselves in the unused or under utilized parts of the radio spectrum. This increases the effective utilization of the radio spectrum. An emergency ad-hoc networking scenario is used as a framework to derive key RF system parameters. A low-cost radio resource discovery receiver is developed as a demonstrator and a testbed for further research into radio resource discovery algorithms. Several experiments are done to verify correct operation of the receiver and the resource discovery algorithm. Also, general receiver concepts and radio architectures suitable for radio resource discovery are presented and discussed.
Item Type:Essay (Master)
Faculty:EEMCS: Electrical Engineering, Mathematics and Computer Science
Subject:53 electrotechnology
Programme:Electrical Engineering MSc (60353)
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