NDLI: An Auction-theoretic Spectrum Leasing Scheme for Cognitive Radio Networks

Content Provider	IEEE Xplore Digital Library
Author	Yao Zhang Supeng Leng Ming Zeng
Copyright Year	2012
Description	Author affiliation: School of Communication & Information Engineering, University of Electronic Science and Technology of China, Chengdu, China 611731 (Yao Zhang; Supeng Leng; Ming Zeng)
Abstract	In recent years, Dynamic spectrum leasing (DSL) strategies are studied as a new paradigm for dynamic spectrum sharing (DSS) in cognitive radio networks (CRN's). In traditional spectrum leasing model, the cooperative Secondary Users (SUs) use higher power to transmit their own packets but a lower power to relay the packets of primary user. On the other hand, many existing research work can be characterized by a model with one Primary User (PU) and multiple SUs, or alternatively, the model with multiple PUs and one SU. The optimal results from these studies are only either in favor of PUs or in favor of SUs. This paper proposes a novel spectrum leasing model, in which a PU leases its vacant bandwidth for a fraction of time to the SUs in exchange for its cooperation. We consider the modeling of dynamic spectrum sharing in the market with multiple strategic PUs and SUs. In this new model, it is assumed that SUs use the same power to transmit their own packets and relay the packets of PUs. The SUs can adapt their transmitting power according to the spectrum competition results. Moreover, we study the optimization of the spectrum leasing in terms of not only the utility of secondary network, or the utility of primary network, but also the utility of the entire network including Pus and SUs. Finally, the simulation results validate the satisfied performance of the proposed spectrum leasing scheme.
Starting Page	29
Ending Page	34
File Size	238072
Page Count	6
File Format	PDF
ISBN	9781467316965
e-ISBN	9781467316972
e-ISBN	9781467316958
DOI	10.1109/ICCPS.2012.6384264
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-10-19
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Fading Adaptation models Heuristic algorithms Cooperation Dynamic spectrum leasing Bandwidth Quality of service Dynamic spectrum sharing DSL Cognitive radio Relays
Content Type	Text
Resource Type	Article

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