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RISS 인기검색어
- 검색키워드
- 저자 : Shun-Ping Chung (검색결과 3 건)
- 무료
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- 유료
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State-Dependent Call Admission Control in Hierarchical Wireless Multiservice Networks
Chung Shun-Ping,Lee Jin-Chang The Korea Institute of Information and Commucation 2006 Journal of communications and networks Vol.8 No.1
State-dependent call admission control (SDCAC) is proposed to make efficient use of scarce wireless resource in a hierarchical wireless network with heterogeneous traffic. With SDCAC, new calls are accepted according to an acceptance probability taking account of not only cell dwell time but also call holding time and system state (i.e., occupied bandwidth). An analytical method is developed to calculate performance measures of interest, e.g., new call blocking probability, forced termination probability, over. all weighted blocking probability. Numerical results with not only stationary but nonstationary traffic loads are presented to show the robustness of SDCAC. It is shown that SDCAC performs much better than the other considered schemes under nonstationary traffic load.
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Cloud computing with single server threshold and double congestion thresholds
Shun-Ping Chung,Yu-Ju Lu,Yu-Chen Lai 한국통신학회 2018 ICT Express Vol.4 No.3
In this work, we study how to minimize the average system delay in a cloud computing center with heterogeneous servers, where each server may have a different average service rate. We consider M∕Mi∕C∕K with a single server threshold and double congestion thresholds. The analytical models and performance measures are derived for the systems considered. The effect of the average arrival rate on performance measures is studied. It is shown that M∕Mi∕C∕K with a single server threshold and double congestion thresholds outperforms M∕Mi∕C∕K in terms of the average system delay. Finally, a computer simulation is written to verify the accuracy of the analytical results.
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Loh Tze Ping,Cooke Brian R,Tran Thi Chi Mai,Markus Corey,Zakaria Rosita,Ho Chung Shun,Theodorsson Elvar,Greaves Ronda F 대한진단검사의학회 2024 Annals of Laboratory Medicine Vol.44 No.2
Reporting a measurement procedure and its analytical performance following method evaluation in a peer-reviewed journal is an important means for clinical laboratory practi- tioners to share their findings. It also represents an important source of evidence base to help others make informed decisions about their practice. At present, there are significant variations in the information reported in laboratory medicine journal publications describ- ing the analytical performance of measurement procedures. These variations also chal- lenge authors, readers, reviewers, and editors in deciding the quality of a submitted manu- script. The International Federation of Clinical Chemistry and Laboratory Medicine Working Group on Method Evaluation Protocols (IFCC WG-MEP) developed a checklist and recom- mends its adoption to enable a consistent approach to reporting method evaluation and analytical performance characteristics of measurement procedures in laboratory medicine journals. It is envisioned that the Laboratory Evaluation and Analytical Performance Char- acteristics (LEAP) checklist will improve the standardisation of journal publications describ- ing method evaluation and analytical performance characteristics, improving the quality of the evidence base that is relied upon by practitioners.
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