Truthful Least-Priced-Path Routing in Opportunistic Spectrum Access Networks

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Executive Summary

The authors study the problem of finding the Least-Priced Path (LPP) between a source and a destination in Opportunistic Spectrum Access (OSA) networks. This problem is motivated by economic considerations, whereby spectrum opportunities are sold/leased to Secondary Radios (SRs). This incurs a cost for the communication services, e.g., for traffic relaying, provided by these SRs. As the beneficiary of these services, the end user must compensate the service-providing SRs for their spectrum cost. To give an incentive (i.e., profit) for SRs to report their true cost, typically the payment to a SR should be higher than the actual cost.

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