An overview of the IEEE 802.15.4a standard
IEEE Communications Magazine
Managing care through the air [remote health monitoring]
IEEE Spectrum
Performance of wireless ECG monitoring in city hospital in the presence of interference
Proceedings of the 7th International Conference on Body Area Networks
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Estimating propagation path loss is required in order to predict the performance of a wireless system in its working environment. Hospital, and in particular the emergency ward, is a harsh environment for wireless communications. The information over the air in a hospital are normally very important. The increasing number of wireless medical devices, personal/body sensor networks, etc. make the ISM (Industrial, Scientific and Medical) band particularly crowded. In this paper we propose a modified path loss model based on real measurements carried out in the emergency ward of a modern city hospital. The measurements are used to derive the main parameters of the path loss in such environment, as well as to give a model of the aggregate interference. The probe signal used for the experiments accomplishes the IEEE802.15.4a standard.