Abstract
In the field of homecare it is important to have a secure and comfortable data transmission. This is one part of the TEMONICS project (Telemonitoring with cardiorespiratory systems) in which the Chair of Production Systems’ (LPS) has its main focus on the area of data transfer and storage. Several approaches have been elaborated, which all have been evaluated and optimized step-by-step. For efficient maintenance of patient data, a database with an individual structure for medical applications has been developed. This structure contains predefined user profiles which not only allow user authentication, but also support complex, completely customizable user authorization using e.g. different roles. In addition, a web service has been implemented which ensures the basic principles of a serviceoriented architecture for this software solution. The web service is granted access to the database exclusively. Thus, basic principles of a service-oriented architecture are realized, which also leads to the ability to manage and analyze patient data remotely. Many mobile devices (e.g. Smart Phones) are able to connect to web services and use them in applications. Due to the communication architecture implementing commonly used protocols like HTTP or HTTPS, a huge variety of devices can be supported. In order to optimize security aspects, data is being stored in the Micro System Data Exchange Format (MSD), which has been developed specifically for applications in the Homecare area. Through encapsulation of different measurements within separate sections, the file size can be minimized, thereby the data transfer efficiency can be increased. Security is a major factor in dealing with sensitive patient data, so all transport is further protected using a Virtual Private Network (VPN) via a Site-To-End connection. In collaboration with different project partners, the web service has been realized and a web service client for an existing medical application has been developed.
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