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학술지 Reliability-guaranteed multipath allocation algorithm in mobile network
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저자
이재욱, 고한얼
발행일
202212
출처
ETRI Journal, v.44 no.6, pp.936-944
ISSN
1225-6463
출판사
한국전자통신연구원 (ETRI)
DOI
https://dx.doi.org/10.4218/etrij.2022-0205
협약과제
22HH8100, 고신뢰·저지연 5G+ 코어 네트워크 및 5G-TSN 스위치 기술 개발, 김창기
초록
The mobile network allows redundant transmission via disjoint paths to support high-reliability communication (e.g., ultrareliable and low-latency communications [URLLC]). Although redundant transmission can improve communication reliability, it also increases network costs (e.g., traffic and control overhead). In this study, we propose a reliability-guaranteed multipath allocation algorithm (RG-MAA) that allocates appropriate paths by considering the path setup time and dynamicity of the reliability paths. We develop an optimization problem using a constrained Markov decision process (CMDP) to minimize network costs while ensuring the required communication reliability. The evaluation results show that RG-MAA can reduce network costs by up to 30% compared with the scheme that uses all possible paths while ensuring the required communication reliability.
KSP 제안 키워드
Allocation algorithm, Communication reliability, Disjoint paths, High Reliability, Low latency, Mobile networks, Optimization problem, constrained Markov decision process, control overhead, path setup, redundant transmission
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