Performance Studies of Integrated Network Scenarios in a Hospital Environment

Nurul I. Sarkar, Anita Xiao-min Kuang, Kashif Nisar and Angela Amphawan
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Nurul I. Sarkar: School of Computer and Mathematical Sciences, Auckland University of Technology, Auckland, New Zealand
Anita Xiao-min Kuang: School of Computer and Mathematical Sciences, Auckland University of Technology, Auckland, New Zealand
Kashif Nisar: InterNetWorks Research Laboratory, School of Computing, University Utara Malaysia, Sintok, Malaysia
Angela Amphawan: InterNetWorks Research Laboratory, School of Computing, University Utara Malaysia, Sintok, Malaysia

International Journal of Information Communication Technologies and Human Development (IJICTHD), 2014, vol. 6, issue 1, 35-68

Abstract: Hospital network is evolving towards a more integrated approach by interconnecting wireless technologies into backbone networks. Although various integrated network scenarios have been published in the networking literature, a generic hospital model has not yet been fully explored and it remains a challenging topic in practice. One of the problems encountered by network practitioners is the seamless integration of network components into healthcare delivery. A good understanding of the performance of integrated networks is required for efficient design and deployment of such technologies in hospital environments. This research paper discuss on the modelling and evaluation of integrated network scenarios in hospital environments. The impact of traffic types (e.g. data, voice and video), traffic load, network size and signal strength on network performance is investigated by simulation. Three piloted case studies look at client performance in radiology Accident and Emergency (A & E and Intensive Care Unit (ICU)) scenarios. Each scenario reflects the need for various traffic types that end up distinct network behaviours. In the radiology scenario, email and File Transfer Protocol (FTP) traffic is found to perform well for medium-to-large networks. In the A & E scenario, Voice over Internet Protocol (VoIP) traffic is shown to generate very limited jitter and data loss. The performance is aligned with the Quality of Service (QoS) requirements. In the ICU scenario, the performance of video conference degrades with network size, thus, a QoS-enabled device is recommended to reduce the packet delay and data loss. IEEE 802.11a suits in hospital environment because it mitigates interference on the 2.4GHz band where most wireless devices operate.

Date: 2014
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