Low Latency Random Access Procedure for mMTC in 5G NR Networks

被引：0
|
作者：
Wang, Wei-Chieh [1 ]
Chen, Chi-Han [1 ]
Yen, Chien-Lin [1 ]
Chen, You-Lin [1 ]
You, Jiun-Chi [1 ]
Tseng, Chih-Cheng [1 ]
机构：
[1] Natl Ilan Univ, Dept Elect Engn, Yilan, Taiwan
来源：
2023 IEEE LATIN-AMERICAN CONFERENCE ON COMMUNICATIONS, LATINCOM | 2023年
关键词：
massive Machine-Type Communications ( mMTC); Random Access (RA); Signature; New Radio (NR);
D O I：
10.1109/LATINCOM59467.2023.10361891
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Applications of massive Machine-Type Communications (mMTC), e.g., smart meters, have made our daily lives more convenient. However, when a massive number of active Machine-Type Communication Devices (MTCDs) proceed with random access (RA) to the gNB at the same time, it results in additional RA latency and signal overhead. To solve this problem, by utilizing the modified 4-step RA procedure to generate the signature for each MTCD, a 2-step signature-based RA procedure is proposed. Simulation results show that, compared with the 2-step RA procedure utilized by 5G New Radio (NR), the proposed 2-step signature-based RA procedure greatly reduces the average time spent for active MTCDs to complete the required RA procedure.
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页数：6
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