Issues and improvements of 5G RLC/AM retransmissions under specific cases

Yang Lin; Jiaxing Fang; Ruiqi Qiu; Qingguo Shen

doi:10.1117/12.2636416

6 May 2022 Issues and improvements of 5G RLC/AM retransmissions under specific cases

Yang Lin, Jiaxing Fang, Ruiqi Qiu, Qingguo Shen

Proceedings Volume 12176, International Conference on Algorithms, Microchips and Network Applications; 1217619 (2022) https://doi.org/10.1117/12.2636416
Event: International Conference on Algorithms, Microchips, and Network Applications 2022, 2022, Zhuhai, China

Abstract

The RLC AM mode is an important protocol in the 5G/NR air interface. Two problems found in the RLC/AM implementation are described in detail, which are the processing mechanism when exceeding the maximum retransmission times, and the choice of re-transmission PDU when the t-PollRetransmit expires under double-no condition. For these problems, the corresponding optimization scheme is given and implemented. The actual end-to-end test results between base station/terminals show the effectiveness of the proposed optimization scheme.

Citation Download Citation

Yang Lin, Jiaxing Fang, Ruiqi Qiu, and Qingguo Shen "Issues and improvements of 5G RLC/AM retransmissions under specific cases", Proc. SPIE 12176, International Conference on Algorithms, Microchips and Network Applications, 1217619 (6 May 2022); https://doi.org/10.1117/12.2636416

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