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In order to be aligned with new emission standards for heavy duty transportation systems, there is a strong demand for alternative fuel buses. Pure electric buses are a possible solution; however, due to the average daily range requirement of 120–140 miles per day, the battery systems required for such vehicles significantly reduce its performance and increase its costs. One method to address this...
Neighbor discovery is an important part of many protocols for wireless adhoc networks, including localization and routing. When neighbor discovery fails, communications and protocols performance deteriorate. In networks affected by relay attacks, also known as wormholes, the failure may be more subtle. The wormhole may selectively deny or degrade communications. IIn this paper we present Mobile Secure...
Low power and small volume are always the most important issues in the internal module of a wireless implantable neural recording system. In this paper, a BPSK demodulator base on digital-analog hybrid COSTAS Loop is presented. A digital multiplier replacing the analog multiplier is presented specially to achieve lower power consumption in the proposed circuit. The proposed BPSK demodulator features...
Wireless interconnection within a hybrid engine controller board has been demonstrated by demodulating an AM signal transmitted with an on-chip antenna using a receiver located in the board. The receiver centered between 14 and 16 GHz uses a Schottky diode detector and should be able to support 400-Mbps data rate and ~15 cm range. The receiver does not require a crystal frequency reference. The measured...
An RF transceiver for operation near 24 GHz with an onchip antenna, fractional-N synthesizer and other RF and analog baseband circuits is demonstrated in 130-nm CMOS. A 5-m wireless link was demonstrated using a transceiver pair. A technique for wireless calibration of an on-chip frequency reference is also demonstrated.
We consider a team of unmanned aerial vehicles (UAV's) equipped with sensors and motes for wireless communication for the task of navigating to a desired location in a formation. First a neural network (NN)-based control scheme is presented that allows the UAVs to track a desired position and orientation with reference to the neighboring UAVs or obstacles in the environment. Second, we discuss a graph...
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