Ultra-Wideband Transceivers for Cochlear Implants

Power and area optimization techniques for ultra- wideband millimeter-wave CMOS transceivers

Poster Abstract: Combining Positioning & Communication Using Ultra Wideband Transceivers

A new generation of ultra wide band (UWB) communication transceivers are becoming available that supports both positioning and communication tasks. Transceiver manufacturers envision that communication and positioning features are used separately and asymmetrically. We believe that this is an unnecessary restriction of the available hardware and that positioning and communication tasks can be a...

Through-Wall Person Localization Using Transceivers in Motion

We develop novel methods for device-free localization (DFL) using transceivers in motion. Such localization technologies are useful in various cross-layer applications/protocols including those that are related to security situations where it is important to: know the presence and position of an unauthorized person; monitor the daily activities of elderly or special needs individuals; or gain s...

Outage Probability Bound and Diversity Gain for Ultra-Wideband Multiple-Access Relay Channels with Correlated Noises

In this paper, Ultra-wideband (UWB) multiple access relay channel with correlated noises at the relay and receiver is investigated. We obtain outer and inner bounds for the IEEE 802.15.3a UWB multiple access relay channel, and also, a diversity gain bound. Finally, we evaluate some results numerically and show that noise correlation coefficients play important role in determining relay position.

Subthreshold Frequency Synthesis for Implantable Medical Transceivers

Implantable medical devices (IMDs) have evolved greatly since the first pacemaker was designed in the 1950s. The current generation of IMDs are capable of replacing damaged or malfunctioning organs, and are designed for long-term patient care. Cochlear implants, which differ greatly from hearing aids, convert received audio signals to electrical impulses and are capable of bypassing damaged par...