A New Look at AI-Driven NOMA-F-RANs: Features Extraction, Cooperative Caching, and Cache-Aided Computing

Zhong Yang, Yaru Fu, Yuanwei Liu, Yue Chen, Junshan Zhang

Research output: Contribution to journalArticlepeer-review

Abstract

Non-orthogonal multiple access-enabled fog radio access networks (NOMA-F-RANs) are thought of as a promising enabler to release network congestion, reduce delivery latency, and improve fog user equipment (F-UEs) quality of service. Never-theless, the effectiveness of NOMA-F-RANs highly relies on the charted feature information (e.g., preference distribution, positions, and mobilities) of F-UEs as well as the effective caching, computing, and resource allocation strategies. In this article, we explore how artificial intelligence (AI) techniques are utilized to solve foregoing challenges. Specifically, we first elaborate on the NOMA-F-RANs architecture, shedding light on the key modules, namely, cooperative caching and cache-aided mobile edge computing. Then, the potentially applicable AI-driven techniques in solving the principal issues of NOMA-F-RANs are reviewed. Through case studies, we show the efficacy of AI-enabled methods in terms of the latent feature extraction and cooperative caching of F-UEs. Finally, future trends of AI-driven NOMA-F-RANs, including open research issues and challenges, are identified.

Original languageEnglish (US)
Pages (from-to)123-130
Number of pages8
JournalIEEE Wireless Communications
Volume29
Issue number3
DOIs
StatePublished - Jun 1 2022

ASJC Scopus subject areas

  • Computer Science Applications
  • Electrical and Electronic Engineering

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