The 5G New Radio (NR) Vehicle-to-Everything (V2X) Sidelink (SL) standard defines multiple DeModulation Reference Signal (DMRS) patterns to support direct vehicular communications in high mobility scenarios. The DMRS pattern is a pre-defined sequence of signals that can be adapted for the transmission of each Transport Block (TB), and is used to estimate the channel response and mitigate the impact of the Doppler shifts experienced by the received signal in high relative speed conditions. The standard defines multiple DMRS patterns, but it does not provide any recommendations to indicate when each pattern should be used. To this end, this study presents an exhaustive analysis of the impact that the DMRS patterns have on the link level performance of NR V2X SL communications, deriving the first set of NR V2X SL recommendations on the DMRS pattern selection. The recommendations identify the maximum Modulation and Coding Scheme (MCS) that can be supported by each DMRS pattern to ensure high reliability levels, and cover different relative speeds, propagation scenarios, and number of subchannels. We also openly release the link level results generated and analysed in this study to derive the recommendations. To the authors’ knowledge, the obtained results represent the largest NR V2X SL link level dataset openly available.


    Zugriff

    Zugriff prüfen

    Verfügbarkeit in meiner Bibliothek prüfen

    Bestellung bei Subito €


    Exportieren, teilen und zitieren



    Titel :

    Impact of the DMRS Pattern on NR V2X Sidelink Communications


    Beteiligte:


    Erscheinungsdatum :

    07.10.2024


    Format / Umfang :

    794206 byte





    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



    Design of DMRS schemes for 5G vehicular communications

    Martin, Juan Riol / Perez Leal, Raquel / Armada, Ana Garcia | IEEE | 2021


    Proposal of Self-Interference Canceller Using DMRS for Full Duplex Mobile Communications

    Yasaka, Takumi / Yamada, Takayuki / Suyama, Satoshi et al. | IEEE | 2023


    PROXIMITY AWARENESS IN SIDELINK COMMUNICATIONS

    BHADAURIA SHUBHANGI / ROTH-MANDUTZ ELKE / SHAWKY HASSAN HUSSEIN KHALED et al. | Europäisches Patentamt | 2025

    Freier Zugriff

    PROXIMITY AWARENESS IN SIDELINK COMMUNICATIONS

    BHADAURIA SHUBHANGI / ROTH-MANDUTZ ELKE / SHAWKY HASSAN HUSSEIN KHALED et al. | Europäisches Patentamt | 2025

    Freier Zugriff

    Methods and apparatus of dmrs sequence generatoin

    Europäisches Patentamt | 2024

    Freier Zugriff