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Summary: Breaking Bidder Collusion in Large-Scale Spectrum
Auctions
Xia Zhou
Department of Computer Science
University of California, Santa Barbara
CA 93106, USA
xiazhou@cs.ucsb.edu
Haitao Zheng
Department of Computer Science
University of California, Santa Barbara
CA 93106, USA
htzheng@cs.ucsb.edu
ABSTRACT
Dynamic spectrum auction is an effective solution to provide
spectrum on-demand to many small wireless networks. As
the number of participants grows, bidder collusion becomes
a serious threat. In this paper, we study bidder collusion
in large-scale spectrum auctions, investigating its impact on
auction outcomes. We found that the nature of the com-
plex interference constraints among bidders provides a fertile
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