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Title |
Research on IEEE 802.11 Wireless LANs Traffic Characteristics Analysis for Supporting Picture Archiving and Communication System (PACS) |
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Author |
Puttinun Patpituck, Komwut Wipusitwarakun, Sanon Chimmanee |
| Citation |
Vol. 11 No. 8 pp. 23-30 |
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Abstract |
Nowadays, a health system uses medical imaging or Picture Archiving and Communication System (PACS) and clinical information services such as medical record system (MRS), which are becoming popular to deliver over wireless networks. There is a needed to study in PACS traffic over WLAN in order to a support QoS for network design. Recently, characteristic of HTTP, FTP, SMTP, VoIP and other Internet applications are widely studied. At this time, characteristic of PACS traffic in the IEEE 802.11 WLAN is rarely studied. Therefore, this paper presents the results of PACS traffic analysis in the WLAN. The traditional traffic analyst often represents its results in terms of bandwidth such as bandwidth utilization. In contrast, the PACS traffic analysis in this paper focuses on a term of delay since a constraint of PACS communication is based on time delay. The experimental results show relationships among the PACS’s KPI, data rate (Mbps), duration time (Second) of PACS flow, packet size and the packet arrival rate (pps). Additionally, this paper presents an effect of variable PACS flows (traffic load) on duration time, packet size, and packet arriving rate (pps) based on actual measurement on the hospital network. An effect of variable bandwidth also is investigated. |
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Keywords |
Picture Archiving and Communication System (PACS), Traffic Measurement, Traffic Characteristics, Wireless local area network (WLAN) |
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