Unveiling the Importance of NOMA for Reducing AoI

Zhiguo Ding, Robert Schober, H. Vincent Poor

    Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

    1 Scopus citations

    Abstract

    The aim of this paper is to exploit cognitive-ratio inspired non-orthogonal multiple access (CR-NOMA) transmission to reduce the age of information (AoI) in wireless networks, where the key features of different data generation models are effectively utilized. Analytical results for the AoI achieved by CR-NOMA are developed to demonstrate two benefits of using NOMA to reduce the AoI in wireless networks. One is that the use of NOMA provides users more opportunities to transmit, which means that the users can update their base station more frequently. The other is that the use of NOMA can reduce access delay, i.e., the users are scheduled to transmit earlier than in the orthogonal multiple access (OMA) case, which is useful to improve the freshness of the data available in the wireless network.

    Original languageBritish English
    Title of host publicationICC 2023 - IEEE International Conference on Communications
    Subtitle of host publicationSustainable Communications for Renaissance
    EditorsMichele Zorzi, Meixia Tao, Walid Saad
    PublisherInstitute of Electrical and Electronics Engineers Inc.
    Pages2233-2238
    Number of pages6
    ISBN (Electronic)9781538674628
    DOIs
    StatePublished - 2023
    Event2023 IEEE International Conference on Communications, ICC 2023 - Rome, Italy
    Duration: 28 May 20231 Jun 2023

    Publication series

    NameIEEE International Conference on Communications
    Volume2023-May
    ISSN (Print)1550-3607

    Conference

    Conference2023 IEEE International Conference on Communications, ICC 2023
    Country/TerritoryItaly
    CityRome
    Period28/05/231/06/23

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