https://techxplore.com/telecom-news/ en-us The latest news on telecommunications, telecom, telecom technology and telecommunications technology. Airline passengers who have endured tens of thousands of weather-related flight delays this week got a welcome respite from the headaches Saturday, despite concerns about possible disruptions caused by new wireless 5G systems rolling out near major airports. https://techxplore.com/news/2023-07-air-isnt-hard-5g-wireless.html Telecom Sat, 01 Jul 2023 05:23:31 EDT news607407805 Optical data communications lasers can transmit several tens of terabits per second, despite a huge amount of disruptive air turbulence. ETH Zurich scientists and their European partners demonstrated this capacity with lasers between the mountain peak, Jungfraujoch, and the city of Bern in Switzerland. This will soon eliminate the necessity of expensive deep-sea cables. https://techxplore.com/news/2023-06-lasers-enable-internet-backbone-satellite.html Internet Tue, 20 Jun 2023 13:47:43 EDT news606487657 Superfast, subatomic-sized particles called muons have been used to wirelessly navigate underground for the first time. By using muon-detecting ground stations synchronized with an underground muon-detecting receiver, researchers at the University of Tokyo were able to calculate the receiver's position in the basement of a six-story building. https://techxplore.com/news/2023-06-underground-cosmic-ray-muons.html Telecom Thu, 15 Jun 2023 11:00:01 EDT news606041385 An optical fiber about the thickness of a human hair can now carry the equivalent of more than 10 million fast home internet connections running at full capacity. https://techxplore.com/news/2023-05-team-industry-standard-optical-fiber.html Internet Tue, 30 May 2023 15:32:38 EDT news604679555 5G communications' superfast download speeds rely on the high frequencies that drive the transmissions. But the highest frequencies come with a tradeoff. https://techxplore.com/news/2023-04-surface-next-gen-networks.html Engineering Thu, 20 Apr 2023 03:38:54 EDT news601180728 To further advance communication systems, increasing both their speed and efficiency, electronics engineers will need to create new and highly performing components, including electromechanical resonators. Electromechanical resonators are essential components of communications systems that can be used to generate powerful waves of specific frequencies or selectively broadcast communication signals at specific frequencies. https://techxplore.com/news/2023-04-electromechanical-resonators-sub-terahertz-frequencies.html Electronics & Semiconductors Sat, 15 Apr 2023 09:40:01 EDT news600683808 Researchers have developed a new chip-sized microwave photonic filter to separate communication signals from noise and suppress unwanted interference across the full radio frequency spectrum. The device is expected to help next-generation wireless communication technologies efficiently convey data in an environment that is becoming crowded with signals from devices such as cell phones, self-driving vehicles, internet-connected appliances and smart city infrastructure. https://techxplore.com/news/2023-04-photonic-filter-noise-future-6g.html Electronics & Semiconductors Tue, 11 Apr 2023 12:08:03 EDT news600433681 In what has the potential to significantly advance wireless communications and mechanical quantum systems, researchers at Yale have demonstrated the world's first electromechanical resonator to operate beyond 100 GHz. https://techxplore.com/news/2023-04-electromechanical-resonator-ghz.html Electronics & Semiconductors Tue, 11 Apr 2023 09:49:43 EDT news600425379 The future of wireless communications is set to take a giant leap with the advent of sixth-generation (6G) wireless technology. A research team at City University of Hong Kong (CityU) invented a groundbreaking tunable terahertz (THz) meta-device that can control the radiation direction and coverage area of THz beams. https://techxplore.com/news/2023-03-scientists-energy-saving-tunable-meta-devices-high-precision.html Engineering Thu, 16 Mar 2023 10:32:03 EDT news598181521 It's happened to anyone with a cell phone—dropped calls or dead air because suddenly there is no service available. Or worse, the location pin drops on the navigation app. https://techxplore.com/news/2023-03-smart-surfaces-wireless-communication-localization.html Internet Fri, 03 Mar 2023 13:02:51 EST news597070967 When you tap on your phone screen to check something on the internet, you make use of wireless communications technology. With the advent of 5G networks, this technology has made our lives easier than we could imagine. As we progress towards 6G communication, the use of Internet of Things (IoT) devices to monitor and perform tasks is becoming inevitable. As a result, there is a growing demand for the services provided by such devices. https://techxplore.com/news/2023-02-antenna-paradigm-waveform-selective-metasurfaces.html Engineering Tue, 28 Feb 2023 10:42:03 EST news596803321 EPFL researchers have come up with a new approach to electronics that involves engineering metastructures at the sub-wavelength scale. It could launch the next generation of ultra-fast devices for exchanging massive amounts of data, with applications in 6G communications and beyond. https://techxplore.com/news/2023-02-electronic-metadevices-barriers-ultra-fast-communications.html Electronics & Semiconductors Fri, 17 Feb 2023 10:08:05 EST news595850882 A new ultra-low-power method of communication at first glance seems to violate the laws of physics. It is possible to wirelessly transmit information simply by opening and closing a switch that connects a resistor to an antenna. No need to send power to the antenna. https://techxplore.com/news/2023-01-device-transmits-radio-powerwithout-violating.html Engineering Tue, 24 Jan 2023 14:18:03 EST news593792281 Sophisticated antenna arrays paired with high-frequency wireless chips act like superpowers for modern electronics, boosting everything from sensing to security to data processing. In his lab at Princeton, Kaushik Sengupta is working to expand those powers even further. https://techxplore.com/news/2023-01-antennas-microchips-electronics-blur-line.html Telecom Fri, 20 Jan 2023 09:48:09 EST news593430456 After the introduction of the fifth-generation technology standard for broadband cellular networks (5G), engineers worldwide are now working on systems that could further speed up communications. The next-generation wireless communication networks, from 6G onward, will require technologies that enable communications at sub-terahertz and terahertz frequency bands (i.e., from 100GHz to 10THz). https://techxplore.com/news/2023-01-enable-multi-kilometer-sub-terahertz-communications-extremely.html Electronics & Semiconductors Thu, 19 Jan 2023 10:19:51 EST news593345986 State-of-the-art methods of information security are likely to be compromised by emerging technologies such as quantum computers. One of the reasons they are vulnerable is that both encrypted messages and the keys to decrypt them must be sent from sender to receiver. https://techxplore.com/news/2023-01-cosmic-rays-generate-random-boost.html Telecom Thu, 12 Jan 2023 11:13:27 EST news592744401 EPFL researchers have collaborated with colleagues at Harvard and ETH Zurich on a new thin-film circuit that, when connected to a laser beam, produces finely tailorable terahertz-frequency waves. The device opens up a world of potential applications in optics and telecommunications. https://techxplore.com/news/2023-01-photonic-circuits-terahertz-gap.html Electronics & Semiconductors Thu, 12 Jan 2023 09:00:03 EST news592736401 For years, the idea of 6G was thought to be science fiction. Now, it's closer than ever before, but Josep Jornet, an associate professor of electrical and computer engineering at Northeastern, says there's still room for improvement. https://techxplore.com/news/2023-01-terahertz-wireless-link-bridge-digital.html Electronics & Semiconductors Wed, 04 Jan 2023 08:39:24 EST news592043960 An ultra-wide-band receiver based on a harmonic selection technique to improve the operational bandwidth of 5G networks has been developed by Tokyo Tech researchers in a new study. Fifth generation (5G) mobile networks are now being used worldwide with frequencies of over 100 Hz. To keep up with the data traffic in these networks, appropriate receivers are necessary. In this regard, the proposed technology could revolutionize the world of next-generation communications. https://techxplore.com/news/2022-12-multi-band-5g-radio-communication.html Electronics & Semiconductors Thu, 22 Dec 2022 15:08:18 EST news590944096 New signal-processing algorithms have been shown to mitigate the impact of turbulence in free-space optical experiments, potentially bringing "free space" internet a step closer to reality. https://techxplore.com/news/2022-12-algorithms-turbulence-free-space-optic.html Internet Tue, 20 Dec 2022 09:06:02 EST news590749561 In May 2022, the TeraByte InfraRed Delivery (TBIRD) payload onboard a small CubeSat satellite was launched into orbit 300 miles above Earth's surface. Since then, TBIRD has delivered terabytes of data at record-breaking rates of up to 100 gigabits per second—100 times faster than the fastest internet speeds in most cities—via an optical communication link to a ground-based receiver in California. https://techxplore.com/news/2022-12-communications-fastest-laser-link-space.html Engineering Thu, 01 Dec 2022 09:28:49 EST news589109325 Antennas that can couple guided waves emitted from different sources in free space and manipulate these waves are crucial to the development of numerous technologies, including wireless communication, optical communication and ranging systems. Metasurfaces, thin films made up of several elements, have shown promise for developing these types of antennas. https://techxplore.com/news/2022-11-space-time-coding-metasurface-antenna-efficient.html Electronics & Semiconductors Tue, 22 Nov 2022 09:30:01 EST news588249922 Researchers of Delft University of Technology, Vrije Universiteit Amsterdam and VSL have developed an alternative positioning system that is more robust and accurate than GPS, especially in urban settings. The working prototype that demonstrated this new mobile network infrastructure achieved an accuracy of 10 centimeters. https://techxplore.com/news/2022-11-centimeter-accuracy.html Telecom Wed, 16 Nov 2022 11:00:06 EST news587814882 NIST, in collaboration with CU Boulder faculty, published a paper titled: "RF Josephson Arbitrary Waveform Synthesizer with Integrated Superconducting Diplexers" demonstrating results that show a significant step toward a broadband, integrated, quantum-based microwave voltage source with useful power above -30 dBm. https://techxplore.com/news/2022-11-collaboration-radio-frequency-synthesis-quantum-based.html Telecom Fri, 11 Nov 2022 11:15:57 EST news587387750 A team of Western Australian researchers have found a way to avoid the need to use radio transmitters in critical communications, using new technology featuring super-fast optical lasers. https://techxplore.com/news/2022-11-super-fast-optical-lasers-radio-transmitters.html Telecom Wed, 09 Nov 2022 09:32:03 EST news587208721 A research team based out of the University of Waterloo has developed a drone-powered device that can use Wi-Fi networks to see through walls. https://techxplore.com/news/2022-11-loophole-wi-fi-walls.html Telecom Thu, 03 Nov 2022 04:21:37 EDT news586668090 Sunshine streaming through a window could be directly harnessed for wireless data transmission to electronic devices. KAUST researchers have designed a smart glass system that can modulate the sunlight passing through it, encoding data into the light that can be detected and decoded by devices in the room. The use of sunlight to send data would offer a greener mode of communication compared to conventional Wi-Fi or cellular data transmission. https://techxplore.com/news/2022-11-smart-windows-polarize-sunlight-energy.html Telecom Tue, 01 Nov 2022 13:11:48 EDT news586527104 Ask a smart home device for the weather forecast, and it takes several seconds for the device to respond. One reason this latency occurs is because connected devices don't have enough memory or power to store and run the enormous machine-learning models needed for the device to understand what a user is asking of it. The model is stored in a data center that may be hundreds of miles away, where the answer is computed and sent to the device. https://techxplore.com/news/2022-10-deep-components-machine-encoded.html Telecom Thu, 20 Oct 2022 14:00:09 EDT news585476684 For millions of people who participate in activities such as snorkeling and scuba diving each year, hand signals are the only option for communicating safety and directional information underwater. While recreational divers may employ around 20 signals, professional divers' vocabulary can exceed 200 signals on topics ranging from oxygen level, to the proximity of aquatic species, to the performance of cooperative tasks. https://techxplore.com/news/2022-08-underwater-messaging-app-smartphones.html Engineering Mon, 29 Aug 2022 13:07:14 EDT news580997219 A Sydney Harbor Tunnel explosion showcases the work of UNSW researchers using wireless signals and artificial intelligence to more accurately identify dangerous fire situations. https://techxplore.com/news/2022-08-inexpensive-wi-fi.html Engineering Tue, 23 Aug 2022 11:04:26 EDT news580471460