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학술지 Latency-Based Transmission Point Selection Algorithms in Wireless Networks
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저자
김은경, 이유로, 이희수
발행일
202011
출처
IEEE Transactions on Vehicular Technology, v.69 no.11, pp.14072-14077
ISSN
0018-9545
출판사
IEEE
DOI
https://dx.doi.org/10.1109/TVT.2020.3031615
협약과제
20JH1300, (초저지연-2세부) 5G URLLC 서비스를 위한 초저지연 무선 접속 기술 개발, 이희수
초록
In this paper, we propose transmission point selection algorithms to provide lower service time between an application server to end users by selecting the transmission point used by a newly identified metric, i.e., service latency. In particular, the proposed ordered service latency-based transmission point selection algorithm is beneficial in a sense that it does not increase average service time but decrease the maximum service time although it brings additional computational complexity slightly. We also provide the performance bounds with proven approximation ratios and verify that the proposed algorithm achieves lower maximum service time without degrading the average service time as well as waiting time through simulations in practical environments.
키워드
approximation algorithm, Low latency communication, transmission point selection, URLLC
KSP 제안 키워드
Application server, Computational complexity, End-users, Low latency, Performance Bounds, Point selection, Service Time, Waiting Time, Wireless network, approximation algorithms, selection algorithm