Cellular networks leak the locations of cell phone users, allowing a third party to easily track the location of the cell phone user without the user's knowledge, according to new research by computer scientists in the University ...
Telecom
Feb 16, 2012
11
0
Researchers have developed a new metasurface-based antenna that represents an important step toward making it practical to harvest energy from radio waves, such as the ones used in cell phone networks or Bluetooth connections. ...
Optics & Photonics
Feb 28, 2022
15
343
The days of waiting for smartphones to upload video may be numbered. Rice University engineering researchers have made a breakthrough that could allow wireless phone companies to double throughput on their networks without ...
Telecom
Sep 6, 2011
19
0
Not all who wander are lost—but sometimes their cell phone reception is. That might change soon if a plan to project basic cell phone coverage to all parts of the globe comes to fruition. Lynk has already proven it can ...
Space Exploration
Oct 5, 2021
0
87
Computer security specialists showed off a homemade drone aircraft Friday capable of launching airborne cyber attacks, hijacking mobile phone calls, or even delivering a dirty bomb.
Telecom
Aug 6, 2011
3
0
(PhysOrg.com) -- Researchers have discovered a way to capture and harness energy transmitted by such sources as radio and television transmitters, cell phone networks and satellite communications systems. By scavenging this ...
Engineering
Jul 7, 2011
14
1
"Wireless communication is a one-way street. Over." Radio traffic can flow in only one direction at a time on a specific frequency, hence the frequent use of "over" by pilots and air traffic controllers, walkie-talkie users ...
Engineering
Feb 14, 2011
16
0
(PhysOrg.com) -- Ji-Dong Yim and Chris Shaw, scientists in Simon Fraser University's School of Interactive Arts and Technology (SIAT), are the proud parents of a robotic cell phone family that can walk, dance and express ...
Robotics
May 4, 2010
3
0
A radical new approach to the design of communications networks, called "network coding," promises to make Internet file sharing faster, streaming video more reliable, and cell-phone reception better -- among other improvements.
Computer Sciences
Feb 9, 2010
6
0
As sensors that do things like detect touch and motion in cell phones get smaller, cheaper and more reliable, computer manufacturers are beginning to take seriously the decade-old idea of "smart dust" -- networks of tiny ...
Computer Sciences
Jan 11, 2011
0
0
