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General Information
    • ISSN: 1793-8244
    • Frequency: Semiyearly
    • DOI: 10.18178/JACN
    • Editor-in-Chief: Dr. Ka Wai Gary Wong
    • Executive Editor: Ms. Nina Lee
    • Abstracting/ Indexing: EI (INSPEC, IET), Engineering & Technology Digital Library, DOAJ, Electronic Journals Library, Ulrich's Periodicals Directory, International Computer Science Digital Library (ICSDL), ProQuest, and Google Scholar.
    • E-mail: jacn@ejournal.net
Editor-in-chief
Dr. Ka Wai Gary Wong
Division of Information and Technology Studies, Faculty of Education, The University of Hong Kong.
It's a honor to serve as the editor-in-chief of JACN. I'll work together with the editors and reviewers to help the journal progress
JACN 2015 Vol.3(2): 87-92 ISSN: 1793-8244
DOI: 10.7763/JACN.2015.V3.147

On a Characteristic of Data Transmission with Priority Processing in Bus Network

M. Ooki
Abstract—Recently, in bus network each station is connected to a bus through a switching-hub which establishes a link from a sending station to a receiving station, so that the number of data collisions extremely decreased. However, in the case that the receiving buffer of a receiving station is full or the receiving station is sending or receiving data, a sending station has to wait to send data. This waiting time (stand-by time) influences an efficiency of data transmission. In this paper, a characteristic of data transmission with priority processing in bus network with the stand-by time is clarified. Taking note of one station with two sending buffers for high priority data and low priority data, the link probability that the link from the station to a receiving station can be established is defined as a constant. The station is modeled as a priority queue with stand-by time, and then in steady state, a balance equation of the probabilities of the number of waiting data at the ready time of sending is expressed. From the equations, for each priority, probabilities of the number of waiting data mean of the number of waiting data in the sending buffer and mean waiting time which is the time from the data arrival time at the sending buffer to the beginning time of sending are derived. The calculated values are illustrated in several cases, and then the influences of the stand-by time and the link probability on data transmission with priority processing are shown.

Index Terms—Bus network, priority, link probability, mean of the number of waiting data, mean waiting time.

M. Ooki is with the Dept. of Integrated System Engineering, Computer System Course, Nishinippon Institute of Technology, 1-11 Aratsu, Kanda-machi, Miyako-gun, Fukuoka, 800-0394 Japan (e-mail: ooki@nishitech.ac.jp).

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Cite:M. Ooki, "On a Characteristic of Data Transmission with Priority Processing in Bus Network," Journal of Advances in Computer Networks vol. 3, no. 2, pp. 87-92, 2015.

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