Wireless experts create multiuser, multiantenna scheme to make most of UHF band
Rice University wireless researchers have found a way to make the most of the unused UHF TV spectrum by serving up fat streams of data over wireless hotspots that could stretch for miles.
Can video streaming over mobile broadband networks be improved?
Due to the increase in smartphone video applications, mobile video traffic is rising significantly. New research has shown how videos can be better transmitted over wireless links such as Wi-Fi and 4G.
Photonics: Enabling next-generation wireless networks
Wireless transmission at microwave frequencies is important for high-data-rate transmission applications, such as mobile phone networks, satellite links and remote imaging. Now, Xianshu Luo and colleagues ...
Researchers develop world's first microwave-controlled ultra compact power converter
Panasonic Corporation today announced it has developed an all-integrated power converter that allows the power switches to be controlled by microwave signals. The world's first microwave-controlled power ...
Researchers present a new method of wirelessly recharging medical device batteries with ultrasound
Human beings don't come with power sockets, but a growing numbers of us have medical implants that run off electricity. To keep our bionic body parts from powering down, a group of Arizona researchers is developing a safe, ...
Robot with brush, water, wiper tackles solar panel cleaning
Startup has plans for power plants in sky with drones
New micro water sensor can aid growers
(Phys.org) —Crop growers, wine grape and other fruit growers, food processors and even concrete makers all benefit from water sensors for accurate, steady and numerous moisture readings. But current sensors ...
Device that can manipulate radiofrequency signals could soon reduce size of short-distance communication systems
Millimeter waves are a type of radiofrequency electromagnetic radiation with wavelengths between 0.1 and 10 millimeters long. Because they are susceptible to absorption by water in the atmosphere, they travel ...
Disney researchers use encoded audio signals to provide 'second screen' experiences at most venues
Providing a "second screen" experience for audiences at movie theaters, stadiums and other public venues need not require a special wireless infrastructure. Instead, a system developed by Disney Research, Zürich, uses the ...
Computer system automatically generates TCP congestion-control algorithms
TCP, the transmission control protocol, is one of the core protocols governing the Internet: If counted as a computer program, it's the most widely used program in the world.
SK Telecom introduces world's fist LTE-A network
South Korea's SK Telecom announced Wednesday the launch of a new generation mobile network that offers speeds twice that of its existing long term evolution (LTE) network and 10 times that of 3G services.
40 Gbit/s at 240 GHz: New world record in wireless data transmission
Researchers of the Fraunhofer Institute for Applied Solid State Physics and the Karlsruhe Institute for Technology have achieved the wireless transmission of 40 Gbit/s at 240 GHz over a distance of one kilometer. ...
Samsung announces 5G data breakthrough
Samsung Electronics said Monday it had successfully tested super-fast fifth-generation (5G) wireless technology that would eventually allow users to download an entire movie in one second.