Contract Design for Traffic Offloading and Resource Allocation in Heterogeneous Ultra-Dense Networks

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Title: Contract Design for Traffic Offloading and Resource Allocation in Heterogeneous Ultra-Dense Networks
Authors: Du, J
Gelenbe, E
Jiang, C
Zhang, H
Ren, Y
Item Type: Journal Article
Abstract: In heterogeneous ultra-dense networks (HetUDNs), the software-defined wireless network (SDWN) separates resource management from geo-distributed resources belonging to different service providers. A centralized SDWN controller can manage the entire network globally. In this work, we focus on mobile traffic offloading and resource allocation in SDWN-based HetUDNs, constituted of different macro base stations (MBSs) and small-cell base stations (SBSs). We explore a scenario where SBSs’ capacities are available, but their offloading performance is unknown to the SDWN controller: this is the information asymmetric case. To address this asymmetry, incentivized traffic offloading contracts are designed to encourage each SBS to select the contract that achieves its own maximum utility. The characteristics of large numbers of SBSs in HetUDNs are aggregated in an analytical model, allowing us to select the SBS types that provide the off-loading, based on different contracts which offer rationality and incentive compatibility to different SBS types. This leads to a closed-form expression for selecting the SBS types involved, and we prove the monotonicity and incentive compatibility of the resulting contracts. The effectiveness and efficiency of the proposed contract-based traffic offloading mechanism, and its overall system performance, are validated using simulations.
Issue Date: 6-Oct-2017
Date of Acceptance: 15-Sep-2017
DOI: 10.1109/JSAC.2017.2760459
ISSN: 0733-8716
Publisher: Institute of Electrical and Electronics Engineers
Journal / Book Title: IEEE Journal on Selected Areas in Communications
Sponsor/Funder: General Dynamics United Kingdom Limited
Engineering & Physical Science Research Council (E
Commission of the European Communities
QinetiQ Limited
Commission of the European Communities
Commission of the European Communities
European Commission
Funder's Grant Number: DTC110_004_190204
317888 - NEMESYS
ICT-2013.1.2 - Software Engineering, Services and Cloud Computing
Keywords: 0906 Electrical And Electronic Engineering
1005 Communications Technologies
0805 Distributed Computing
Networking & Telecommunications
Publication Status: Published online
Embargo Date: publication subject to indefinite embargo
Appears in Collections:Faculty of Engineering
Electrical and Electronic Engineering

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