NDLI: A Two-Tier Market for Decentralized Dynamic Spectrum Access in Cognitive Radio Networks

Content Provider	IEEE Xplore Digital Library
Author	Dan Xu Xin Liu Zhu Han
Copyright Year	2010
Abstract	Market mechanisms have been exploited as important means for spectrum acquisition and access in cognitive radio networks. In this paper, we propose a two-tier market for decentralized dynamic spectrum access. In the proposed Tier-1 market, spectrum are traded from a primary user~(PU) to secondary users~(SUs) in a relatively large time scale to reduce signaling overhead. Then driven by dynamic traffic demands, SUs set up the Tier-2 market to redistribute channels among themselves in a small time scale. More specifically, we use Nash bargain game to model the spectrum acquisition of SUs in the Tier-1 market and derive the equilibrium prices. We then use strategic bargain game to study the spectrum bargain in the Tier-2 market, where SUs can exchange channels with low overhead through random matching, bilateral bargain, and the predetermined market equilibrium prices. We disclose how various factors, such as availability of channels and bargain partners, matching schemes, and traffic dynamics, impact the market relationships. This work provides better understanding on the spectrum market and valuable guidelines to the primary and secondary network operators.
Starting Page	1
Ending Page	9
File Size	260453
Page Count	9
File Format	PDF
ISBN	9781424471508
e-ISBN	9781424471515
DOI	10.1109/SECON.2010.5508287
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-06-21
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Cognitive radio Traffic control Pricing Telecommunication traffic Contracts Communications Society Computer science Guidelines Bandwidth Multimedia communication
Content Type	Text
Resource Type	Article

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