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Transmission of biomedical data from BIOSIP modules in a wireless personal area network with synchronous measurements, and the future use in the internet of things

Szuster B., Szczurek Z., Kowalski P., Kubik B., Michnik A., Wiśniowski R., Świda K.

International Journal of Microelectronics and Computer Science

2016

Vol. 7, nr 1

33--40

The paper aims to present the organizational concept of the wireless personal area network (WPAN network) transmitting biomedical data, used in the BioSip system. The network transmits data from recording modules arranged on the subject's body to a collective node (data integrator). At the same time, all the necessary properties are maintained, i.e. low power consumption of the modules, increased resistance of the network to artefacts, the required transmission speed and signal delays. The options to synchronize measurements in various modules have also been presented, along with the resulting benefits. The wireless personal area network of BioSip modules may be based on various communication protocols, such as Bluetooth Smart or ANT. The BioSip network builds on its own protocol based on transmission mechanisms by Nordic. The software of BioSip modules may be adapted for operation in the Internet of Things through network protocol layers made available by Nordic.

Information and Navigation System for Person with Visual Impairment

Cechak J.

International Journal of Electronics and Telecommunications

2011

Vol. 57, No. 3

369-375

The paper deals with the area of the technical solution of the information and navigation system intended for persons with visual impairment. The first part is focused on the transfer of information concerned using the conductivity properties of the human body as a transmission channel. This principle is referred to as Personal Area Network (PAN). The principle used of data transmission through the human body can be implemented in several specific applications. The second part of the paper addresses the area of navigation for persons with visual impairment to ensure their easier orientation in an unknown terrain. This part is focused on the navigation of the visually impaired, for their easier orientation in unknown areas. The technical navigation system, whose hardware is integrated into the standard stick for the blind, is based on the principle of a digital analysis of a signal from the magnetometer. The analyzed signal occurs by moving the stick over surface-distributed neodymium magnets, which, with their distribution and orientation of magnetic poles, creates basic orientation pictograms. The conclusion of the paper describes the design of an information and navigation system that the authors have practically implemented and tested.