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The influence of the interface type between the epidermis and dermis layers within the human skin tissue is investigated in this paper by introducing two models with different interfaces (i.e., 3-D sine and 3-D sinc function). By comparing the power loss of both models, it is evident that the common flat model is sufficient in case of electromagnetic communication links studies within the human tissue...
Accurate localisation has always been a hot topic for indoor environment. Recently, compressive sensing has been applied to fingerprinting based localisation and achieved good performance. This paper provides an overview of the state-of-the-art compressive sensing based indoor localisation techniques and an introduction to potential solutions to challenges faced by current systems. The main focus...
In the recent years, there has been a significant amount of interest in body-centric applications. The in/on/off-body radio communications have been extensively studied and characterized at microwave frequencies for a wide range of applications, which include healthcare, military and lifestyle. The next generation of wearable technology will be operating at higher frequencies (millimeter wave and...
In this paper, a patch resonator is presented that operates in the Industrial, Scientific, Medical (ISM) band at 2.45–2.48 GHz, when placed on a four-layered (skin, fast, blood, and muscle) tissue. The patch resonator was simulated on a square digital phantom and, for a more realistic scenario, on the digital human phantom ‘Hugo’. To ensure that the resonator is in contact with the voxelized model,...
Recent activities at Queen Mary, University of London, relating to wearable wireless sensors research for healthcare applications are reviewed in this paper. The monitoring of blood glucose levels using non-invasive radio-based sensors is discussed. The analysis of on-body radio propagation channels is then presented, with an emphasis on variations related to activity.
This paper presents a review of some current work conducted at Queen Mary University of London, related to antennas and propagation for body-centric wireless communications. Aspects related to measurement setup, numerical modelling, channel characteristics are briefly discussed. Applications and future trend of this research will be also presented.
Recent trends indicate that there is a growing desire to monitor the position of a person and track that location over time, for a number of legitimate applications including assisted living and health-care. Greater accuracy in position will usually also require the target to carry, or wear, an active RF device; hence, there is a need for an understanding of the role of the body. This paper discusses...
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