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21-11-2017 | Issue 4/2019

Wireless Networks 4/2019

PATH: privacy-preserving auction for heterogeneous spectrum allocations

Journal:
Wireless Networks > Issue 4/2019
Authors:
Zhili Chen, Ruihong Che, Hong Zhong, Miaomiao Tian, Jie Cui

Abstract

Recently, truthful spectrum auctions have been extensively studied to improve spectrum utilization. Furthermore, privacy preservation in truthful spectrum auctions has also been taken into account. However, existing work mainly focuses on privacy-preserving homogenous spectrum auctions, while the case of heterogeneous spectrum auctions is ignored. In this paper, we propose PATH, a privacy-preserving auction for single-sided heterogeneous spectrum allocations. Through organically combining three security techniques: homomorphic encryption, secret sharing and garbled circuit, PATH reveals nothing about buyers’ bids and identities beyond the auction outcome to any participant party. Specifically, PATH not only maintains the properties of truthfulness and spectrum reuse of the underlining auction mechanism TAMES, but also implements the first provably secure solution for single-sided heterogeneous spectrum auctions. Finally, experimental results demonstrate that PATH incurs only limited computation and communication overhead, and it is feasible for large-scale applications.

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