The traditional centralized random access (RA) and data transmission (DT) protocol used to transmit small-sized packets suffers from high signaling overhead and low channel utilization. To cope with that, this paper proposes a novel distributed queuing random access and data transmission protocol based on multiple-input multiple-output (MIMO) technology for intelligent aircraft scenarios. In the RA phase, the collided, successful, and idle states are redefined according to the degree of freedom (DOF) in MIMO to utilize the RA channel effectively. In the DT phase, the optimal number of simultaneously transmitted M2M devices in the data queue is derived by the number of base station’s antennas to enhance throughput and reduce signaling. Results reveal that the proposed protocol can not only improve the efficiency of RA but also increase the throughput and reduce the delay of DT with the aid of DoF in MIMO while reducing the signaling overhead.


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    Title :

    DQRA-MIMO Protocol Design for Massive M2M Communications in Intelligent Aircraft


    Additional title:

    Sae Technical Papers


    Contributors:
    Fang, Chunyan (author) / Zuo, Dingyi (author) / Zhang, Dongfang (author) / Ye, Fayong (author) / Feng, Xiangxi (author) / Huang, Yi (author)

    Conference:

    SAE 2023 Intelligent Urban Air Mobility Symposium ; 2023



    Publication date :

    2023-12-31




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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