Automotive
A new kind of radar could make it possible for self-driving cars to navigate safely in bad weather. Electrical engineers at the University of California San Diego developed a clever way to improve the imaging capability of ...
Nov 18, 2020
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69
Engineering
Cities can be obstacle courses for communications signals. A radio signal must travel from a cell phone to a router to a cell tower, and onward to its recipient—all while bouncing between walls, buildings and other structures. ...
Jul 25, 2023
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132
Robotics
For humans, finding a lost wallet buried under a pile of items is pretty straightforward—we simply remove things from the pile until we find the wallet. But for a robot, this task involves complex reasoning about the pile ...
Jun 28, 2022
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81
Internet
A new paper on wireless connectivity from the lab of Dinesh Bharadia, an affiliate of the UC San Diego Qualcomm Institute (QI) and faculty member with the Jacobs School of Engineering's Department of Electrical and Computer ...
May 18, 2023
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68
Engineering
MIT researchers have developed a wireless, private way to monitor a person's sleep postures—whether snoozing on their back, stomach, or sides—using reflected radio signals from a small device mounted on a bedroom wall.
Sep 10, 2020
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135
Security
We read many stories about security sleuths who discover how thieves and mischief-makers break into accounts and networks to plant bad stuff and steal personal data.
Engineering
The joint research team of Electrical Engineering and Computer Science Professor JeongHo Kwak at the DGIST and Aerospace Engineering Professor Jihwan Choi at the KAIST have proposed a novel network slicing planning and handover ...
Jul 6, 2023
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26
Engineering
A Sydney Harbor Tunnel explosion showcases the work of UNSW researchers using wireless signals and artificial intelligence to more accurately identify dangerous fire situations.
Aug 23, 2022
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94
Telecom
On April 28, NASA and its partners achieved another major milestone in the future of space communications—achieving 200 gigabit per second (Gbps) throughput on a space-to-ground optical link between a satellite in orbit ...
May 12, 2023
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19
Telecom
A team of researchers led by Dartmouth College may have finally solved the problem of how to inexpensively improve wireless signal strength for indoor spaces with multiple rooms. The same technology for enhancing office and ...
Nov 8, 2017
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14
Radio is the transmission of signals by modulation of electromagnetic waves with frequencies below those of visible light. Electromagnetic radiation travels by means of oscillating electromagnetic fields that pass through the air and the vacuum of space. Information is carried by systematically changing (modulating) some property of the radiated waves, such as amplitude, frequency, or phase. When radio waves pass an electrical conductor, the oscillating fields induce an alternating current in the conductor. This can be detected and transformed into sound or other signals that carry information.
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