Hybrid Multiple Access for Network Slicing Aware Mobile Edge Computing

Mohammad Arif Hossain, Nirwan Ansari

Research output: Contribution to journalArticlepeer-review

7 Scopus citations


Meeting huge traffic demand with resource constraints imposes a significant challenge for future generation wireless networks. In this work, we propose to utilize limited resources in a dense mobile edge computing (MEC) network to compute user equipment (UE) tasks through a novel hybrid multiple access (HYMA) scheme that employs both non-orthogonal multiple access (NOMA) and orthogonal multiple access (OMA). The main purpose of using HYMA is to reduce the co-channel interference incurred in NOMA by selectively deploying OMA while maintaining the required signal-to-interference ratio. We adopt partial offloading of computing tasks in the MEC network. We also employ network slicing to efficiently utilize the resources of the MEC network to meet different types of application requirements. We prioritize NOMA to increase spectral efficiency as well as energy efficiency. We first formulate a mixed integer nonlinear programming (MINLP) optimization problem to minimize the total energy consumption for both local computing and wireless transmission of the MEC network and propose an algorithm consisting of three parts (UE association, computing resource allocation, and wireless resource and uplink transmission power allocation) to solve the MINLP problem with less computational complexity. We demonstrate the viability of our solution via extensive simulations.

Original languageEnglish (US)
Pages (from-to)2910-2921
Number of pages12
JournalIEEE Transactions on Cloud Computing
Issue number3
StatePublished - Jul 1 2023

All Science Journal Classification (ASJC) codes

  • Software
  • Information Systems
  • Hardware and Architecture
  • Computer Networks and Communications
  • Computer Science Applications


  • Energy minimization
  • hybrid multiple access
  • mobile edge computing
  • network slicing
  • partial offloading
  • resource allocation


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