Multi-Hop Cooperative Computation Offloading for Industrial IoT-Edge-Cloud Computing Environments

Zicong Hong, Wuhui Chen, Huawei Huang, Song Guo, Zibin Zheng

Research output: Journal article publicationJournal articleAcademic researchpeer-review

135 Citations (Scopus)


The concept of the industrial Internet of things (IIoT) is being widely applied to service provisioning in many domains, including smart healthcare, intelligent transportation, autopilot, and the smart grid. However, because of the IIoT devices' limited onboard resources, supporting resource-intensive applications, such as 3D sensing, navigation, AI processing, and big-data analytics, remains a challenging task. In this paper, we study the multi-hop computation-offloading problem for the IIoT-edge-cloud computing model and adopt a game-theoretic approach to achieving Quality of service (QoS)-aware computation offloading in a distributed manner. First, we study the computation-offloading and communication-routing problems with the goal of minimizing each task's computation time and energy consumption, formulating the joint problem as a potential game in which the IIoT devices determine their computation-offloading strategies. Second, we apply a free-bound mechanism that can ensure a finite improvement path to a Nash equilibrium. Third, we propose a multi-hop cooperative-messaging mechanism and develop two QoS-aware distributed algorithms that can achieve the Nash equilibrium. Our simulation results show that our algorithms offer a stable performance gain for IIoT in various scenarios and scale well as the device size increases.

Original languageEnglish
Article number8756083
Pages (from-to)2759-2774
Number of pages16
JournalIEEE Transactions on Parallel and Distributed Systems
Issue number12
Publication statusPublished - 1 Dec 2019


  • cloud computing
  • Computation offloading
  • edge computing
  • game theory
  • industrial IoT

ASJC Scopus subject areas

  • Signal Processing
  • Hardware and Architecture
  • Computational Theory and Mathematics


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