Auction-Based Multichannel Cooperative Spectrum Sharing in Hybrid Satellite-Terrestrial IoT Networks
نویسندگان
چکیده
In this article, we investigate the multichannel cooperative spectrum sharing in hybrid satellite-terrestrial Internet of Things (IoT) networks with auction mechanism, which is designed to reduce operational expenditure satellite-based IoT (S-IoT) network while alleviating scarcity issues terrestrial-based (T-IoT) network. The cluster heads selected T-IoT assist primary satellite users transmission through relaying techniques exchange for access. We propose an auction-based optimization problem maximize sum rate all S-IoT receivers appropriate secondary selection and corresponding radio resource allocation profile by distributed implementation meeting minimum each Specifically, one-shot Vickrey-Clarke-Groves (VCG) introduced obtain maximum social welfare, where winner determination transformed into assignment solved Hungarian algorithm. To further decision complexity, sequential Vickrey implemented fashion until channels are auctioned. Due incentive compatibility those two mechanisms, yields true bids channel, both nonorthogonal multiple access (NOMA) time division (TDMA) schemes communication. Finally, simulation results validate effectiveness fairness proposed approach as well superiority NOMA scheme relays selection. Moreover, influence key factors on performance analyzed detail.
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ژورنال
عنوان ژورنال: IEEE Internet of Things Journal
سال: 2021
ISSN: ['2372-2541', '2327-4662']
DOI: https://doi.org/10.1109/jiot.2020.3037408