Applications of medical wireless LAN systems (MedLAN)

This is a post-peer-review, pre-copyedit version of an article published in Journal of Medical Marketing. The definitive publisher-authenticated version "Konstantinos A. Banitsas, R.S.H. Istepanian, Sapal Tachakra. Applications of medical Wireless LAN systems (MedLAN). Journal of Medical Marketing, Volume 2, Number 2, 1 January 2002 , pp. 136-142(7)" is available online at: http://www.ingentaconnect.com/content/pal/jomm/2002/00000002/00000002/art00008.In this paper the Wireless LAN (WLAN) networking principals are presented along with some of the implementation scenarios dedicated for Accidents and Emergencies wards. Preliminary simulation results of the MedLAN concept are also presented together with ongoing and future work in this area

Modeling Wireless LAN (WI-FI) in Kolej Latihan Telekom Utara, Taiping

Modeling an enterprise Wireless LAN is a new challenge even for experienced network architects. No company simply flips on the lights one morning and decides, it’s time to build Wireless LAN. Like any other IT decision, move to Wireless LAN technology has to be carefully thought out and tested to ensure that it meet their business requirements. Implementing Wireless network requires addressing three important key issues : technology option, deal with security and which vendor should we work with. Therefore, the purpose of this paper is to study the requirement of modeling Wireless LAN in academic building of Kolej Latihan Telekom Utara, Taiping

GeoNotes: A Location-based Information System for Public Spaces

The basic idea behind location-based information systems is to connect information pieces to positions in outdoor or indoor space. Through position technologies such as Global Positioning System (GPS), GSM positioning, Wireless LAN positioning o

Integration of cellular network and wireless LAN

This study discusses the significant problems accommodated in the integration of cellular networks and WLANs to the service providers, end-users, etc. This study aims about the current complications, current challenges, substantial significance, future implementations, and the future challenges related to the integration of cellular networks and WLANs. We are performing the research to specifically identify the issues of the integration and how to eliminate these problems to produce a network that delivers higher productivity to users in terms of bandwidth, coverage area, etc. The integration of networks is now in high demand as a diverse range of mobile devices, applications requires the network to be integrated in order to utilize the service anywhere, anytime, and at a reasonable cost. The crucial component in integration is the handoff process that takes place when the user moves from one network to another without experiencing any interruption. Some issues must be considered in all the layers of the protocol stack in order to contribute a breath-taking performance to the end-users who are central to the networks. This study is carried out by referring to past written articles, documents, records, by other researches. This study identifies the problems and issues related to the protocol stack, provides the readers with the importance of integration, and the discussion about this integration of the network

Advanced Wireless LAN

The past two decades have witnessed starling advances in wireless LAN technologies that were stimulated by its increasing popularity in the home due to ease of installation, and in commercial complexes offering wireless access to their customers. This book presents some of the latest development status of wireless LAN, covering the topics on physical layer, MAC layer, QoS and systems. It provides an opportunity for both practitioners and researchers to explore the problems that arise in the rapidly developed technologies in wireless LAN

WLAN 802.11e evaluation performance using OPNET

The low cost and easy deployment of Wireless LAN 802.11 standard means it becomes more and more popular, but it has a vital drawback with regard to Quality of Service (QoS). QoS defines the ability of network to introduce consistent services for data transmission, and is evaluated in terms of specific parameters such as jitter, delay, and packet loss. These parameters describe data traffic quality over a network. Service differentiation should be offered to let higher priority multimedia traffic to get a preferred treatment. This deficiency of Wireless LAN 802.11 MAC mechanisms in offering QoS support is a major obstacle in the adaptation of modern multimedia applications in Wireless LAN 802.11 networks. This paper aims to build different scenarios to evaluate QoS characteristics and to examine the effect of enhancement on the QoS. The evaluation, implemented using the OPNET simulator, will contain the different parameters of Wireless LAN 802.11e to see how this enhancement in distributed channel access increases the performance over the Wireless LAN 802.11 standard. The results give a clear picture that the enhanced standard offers a very effective service mechanism to provide QoS support

Using handheld pocket computers in a wireless telemedicine system

Objectives: To see if senior emergency nurse practitioners can provide support to inexperienced ones in a Minor Injuries Unit by using a wireless LAN system of telemedicine transmitting images to a PDA when they were on duty. In addition, whether such a system could be sufficiently accurate to make clinical diagnoses with a high level of diagnostic confidence. This would permit an overall lower grade of nurse to be employed to manage most of the cases as they arrive with a proportionate lowering of costs. Methods: The wireless LAN equipment could roam in the Minor Injuries Unit and the experienced emergency Nurse practitioners could be at home, shopping or even at a considerable distance from the centre. Thirty pictorial images of patients who had been sent to the Review Clinic were transmitted to a PDA various distances of one to sixteen miles from the centre. Two senior emergency nurse practitioners viewed the images and opined on the diagnosis, their degree of confidence in the diagnosis and their opinion of the quality of the image. Results: the images of patients were sharp, clear, and of diagnostic quality. The image quality was only uncertain, as was the level of confidence of the diagnosis if the patient was very dark skinned. Conclusions: The wireless LAN system works with a remote PDA in this clinical situation. However there are question marks over the availability of enough experienced emergency nurse practitioners to staff a service that provides senior cover for longer parts of the day and at weekends