On AoI of Grant-Free Access with HARQ

For mission-critical URLLC applications, timely status updates are essential. This paper investigates the age of information (AoI) of the three HARQ schemes specified in 5G R16, targeting to provide guidelines for future grant-free access design in 5G-Advanced and beyond. Specifically, we analyze tw...

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Veröffentlicht in:	IEEE transactions on communications 2024-02, Vol.72 (2), p.1-1
Hauptverfasser:	Wang, Jiwen, Zhang, Rongrong, Ren, Ju, Wang, Fangxin, Wang, Shuai, Yu, Jihong
Format:	Artikel
Sprache:	eng
Schlagworte:	5G mobile communication Age of information Delays grant-free access HARQ Lower bounds Queueing analysis Redundancy Robustness Ultra reliable low latency communication Uplink
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