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학술대회 A Random Access for Low Latency Communications
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저자
김은경, 이희수
발행일
202010
출처
International Conference on Information and Communication Technology Convergence (ICTC) 2020, pp.1042-1044
DOI
https://dx.doi.org/10.1109/ICTC49870.2020.9289345
협약과제
20JH1300, (초저지연-2세부) 5G URLLC 서비스를 위한 초저지연 무선 접속 기술 개발, 이희수
초록
For low latency communications, we propose an enhanced random access scheme that avoids random access retrials from the beginning of the random access due to the expiry of a random access response window. The proposed random access scheme exploits multiple transmissions of random access preambles and random access responses. We also provide model and analysis of random access latency with expected delay and the probability of preamble collision. Our numerical results show that the proposed scheme provides lower latency.
키워드
low latency communication, multiple transmission, random access, URLLC
KSP 제안 키워드
Access Latency, Expected Delay, Low latency, Numerical results, Preamble collision, Random access scheme, Response window