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This communication presents a 3-D loop antenna to overcome the impact of small lateral misalignment of the order of 2 mm between the inductively coupled antennas. This communication is a continuation of our previously reported work. In our previous work, we have successfully activated the pressure monitoring sensor and performed the pressure readout for an intracranial pressure monitoring application...
This paper highlights the considerations and challenges when designing antennas suitable for on-body communication in Wireless Body Area Networks. Designing antennas that are required to operate in near body scenario make it more challenging for antenna designers as several important factors need to be taken into consideration along with the human body effects. These factors include antenna detuning,...
The need for novel substrate materials and optimized additive manufacturing methods is growing fast as new applications are developed constantly, especially along the emerging paradigm of the Internet of Things. This paper presents a comparison of thermal and inkjet printing for the fabrication of passive UHF RFID tag antennas on commonly used polyimide (Kapton) and on novel polyester-based substrate...
This paper presents a circularly polarized antenna on thin and flexible Denim substrate for Industrial, Scientific and Medical (ISM) band and Wireless Body Area Network (WBAN) applications at 2.45 GHz. Copper tape is used as the conductive material on 1 mm thick Denim substrate. Circular polarization is achieved by introducing rectangular slot along diagonal axes at the center of the circular patch...
In this paper, we propose a lexical routing metric to enable path-wise link quality-aware routing in wireless networks. The metric is motivated from the fact that IEEE 802.15.4 networks are formed on links with highly variable quality, and selection of poor quality links degrades the data delivery considerably. Although IEEE 802.15.4 supports link-level awareness through LQI, a) it remains unbeknownst...
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