Communications

Free-space optical communications (FSOC), which use lasers for data transmission, are a promising approach for achieving high-speed links between aircraft, spacecraft, and ground stations. However, achieving 360-degree coverage requires multiple articulated terminals installed on the fuselage of aircraft, exceeding size, weight, and power limits.... Read more

A team of researchers from Universidad Carlos III de Madrid (UC3M) and Universidad Politécnica de Madrid (UPM) has developed an innovative algorithm for Wi‑Fi networks called "Ponte" that can provide communication in industrial environments with a level of reliability comparable to that of wired solutions. This advance will enable wireless... Read more

A research team at the University of Ottawa has developed an advanced artificial intelligence system designed to autonomously defend wireless networks from jamming attacks, operating much like a digital immune system. This technology can automatically detect and respond to jamming in real time, which could play a critical role in... Read more

Between 2016 and 2024 there were 193 internet shutdowns imposed in 41 African countries. This form of social control is a growing trend in the continent, according to a new open-access source book. It has provided the first-ever comparative analysis of how and why African states use blackouts—written by African... Read more

The National Institute of Information and Communications Technology (NICT) has successfully demonstrated 2 Tbit/s Free-Space Optical (FSO) communication using small optical communication terminals that can be mounted on satellites and HAPS, marking a world first for this technology.... Read more

When a natural disaster strikes, time is of the essence if people are trapped under rubble. Conventional search-and-rescue methods use radar-based detection or employ acoustics that rely on sounds made by victims.... Read more

As disruptions to GPS services increase globally, radio signals from low-Earth orbit (LEO) satellites could become reliable navigation alternatives, a new study suggests.... Read more

If you use a mobile phone with location services turned on, it is likely that data about where you live and work, where you shop for groceries, where you go to church and see your doctor, and where you traveled to over the holidays is up for sale. And U.S.... Read more

In the Cape York community of Wujal Wujal, local service providers used to hold their breath every time a big storm rolled in. Cloud cover could knock out their satellite internet just when they needed it most.... Read more

In a disaster, there are often massive network outages. When the Ahr, a small river in Rhineland-Palatinate, burst its banks in July 2021, the entire telephone and mobile network quickly collapsed as the floodwaters and mud destroyed many exchanges. For emergencies like this, researchers at Fraunhofer FIT have developed smart... Read more

High-voltage, higher-order PAM-8 signals are essential to achieve data rates beyond 100 Gb/s, requiring highly linear receivers to maintain excellent signal-to-noise ratios.... Read more

The world's online population grew by more than 240 million people in 2025, according to Facts and Figures 2025 released today by the International Telecommunication Union (ITU). The new estimates confirm continuing progress in expanding digital connectivity, while pointing to differences in quality that impact how users benefit from Internet... Read more

Korean researchers have successfully verified the world's first real-world maritime Internet of Things (MIoT) communication network, which collects marine data by installing sensors and communication devices on ships, ports, and marine facilities and can be used for safety management and environmental monitoring.... Read more

The next generation of wireless communication will move into signal frequencies even higher than those of today's 5G systems, allowing signals to carry vastly more data at much higher speeds. These high-frequency bands, expected to underpin future 6G networks, could support data-hungry technologies such as untethered virtual reality headsets and... Read more

Reconfigurable intelligent surfaces (RIS) are engineered structures comprised of several elements known as 'meta-atoms,' which can reshape and control electromagnetic waves in real-time. These surfaces could contribute to the further advancement of wireless communications and localization systems, as they could be used to reliably redirect, strengthen and suppress signals.... Read more

As Europe prepares for the leap to 6G, researchers, policymakers and citizens are working together to make sure that the next digital revolution is not just faster, but also ethical, sustainable and inclusive.... Read more

In an era when recent cyberattacks on major telecommunications providers have highlighted the fragility of mobile security, researchers at the Korea Advanced Institute of Science and Technology have identified a class of previously unknown vulnerabilities that could allow remote attackers to compromise cellular networks serving billions of users worldwide.... Read more

A team from the University of California San Diego and Rensselaer Polytechnic Institute has invented a scalable technology that enables faster and more reliable 5G and 6G wireless communication.... Read more

Researchers at SUNY Polytechnic Institute are helping shape the future of next-generation wireless communication through groundbreaking work in the terahertz (THz) frequency spectrum—a range expected to power 6G and beyond. The team consists of faculty and researchers from the Wireless and Intelligent Next Generation Systems (WINGS) Center, including Dr. Arjun... Read more

The National Institute of Information and Communications Technology (NICT) and the Nagoya Institute of Technology (NITech), collaborating with the Japan Aerospace Exploration Agency (JAXA), have achieved the world's first successful demonstration of next-generation error correction codes, mitigating the impact of atmospheric turbulence on ground-to-satellite laser communications.... Read more

A research team, led by Professor Heein Yoon in the Department of Electrical Engineering at UNIST has unveiled an ultra-small hybrid low-dropout regulator (LDO) that promises to advance power management in advanced semiconductor devices. This innovative chip not only stabilizes voltage more effectively, but also filters out noise—all while taking... Read more

Washington State University-led researchers have developed a chip-sized processor and 3D printed antenna arrays that could someday lead to flexible and wearable wireless systems and improved electronic communications in a wide variety of auto, aviation, and space industry applications.... Read more

SpaceX plowed ahead with a record 31st launch of one of its Falcon 9 boosters with another Starlink mission from the Space Coast on Sunday.... Read more

Australians rely on their phones and the internet for education, business, socializing and in emergencies. And as Optus' recent Triple Zero outage highlights, the consequences of a network outage can be fatal.... Read more

University of Otago researchers have developed algorithms that improve the precision of location tracking in smartwatches, a world-first development.... Read more

SUTD researchers test a privacy-preserving approach that blends federated learning with cloud coordination for smart grids in future 6G environments.... Read more

To further advance wireless communication systems, electronics engineers have been trying to develop new electronic circuits that operate in the microwave frequency range (1–300 GHz), while also losing little energy while transmitting signals. Ideally, these circuits should also be more compact than existing solutions, as this would help to reduce... Read more

A team led by academician Huang Ru and Professor Wu Yanqing from the School of Integrated Circuits at Peking University has developed a super-thin, high-performance semiconductor with enhanced heat conductivity, enabled by a silicon carbide (SiC) substrate. The research, published in Nature Electronics under the title "Amorphous indium tin oxide... Read more

If you pass by a café that operates a Wi-Fi network, you can be identified—even if you do not carry a smartphone with you. Researchers at Karlsruhe Institute of Technology (KIT) have found out that it is possible to identify people solely through Wi-Fi signals. They point out that this... Read more

Verizon has signed a deal to provide cellular service from space through AST SpaceMobile beginning next year.... Read more

A framework for building tighter security into 5G wireless communications has been created by a Ph.D. student working with the University of Portsmouth's Artificial Intelligence and Data Center.... Read more

Self-driving cars need to know exactly where on the road they are located at all times. A new invention could revolutionize the development of driverless vehicles—and give us more accurate GPS on our mobile phones and fitness watches too.... Read more

When we post to a group chat or talk to an AI chatbot, we don't think about how these technologies came to be. We take it for granted we can instantly communicate. We only notice the importance and reach of these systems when they're not accessible.... Read more

With the rollout of fifth-generation (5G) telecommunications networks and 6G looming on the horizon, the demand for advanced materials that can handle high-frequency signals is rising rapidly. These systems use electromagnetic waves ranging from tens to hundreds of gigahertz (GHz), where signals are highly sensitive to transmission loss, interference, and... Read more

It's official: AOL's dial-up internet has taken its last bow.... Read more

The Federal Communications Commission voted to end discounts for library Wi-Fi hotspot lending and school bus connectivity programs on Tuesday, drawing criticism from lawmakers and librarians who say the moves will make it more difficult for people who are low-income or live in rural areas to access the internet.... Read more

5G has been part of our lives and the market for several years, while the industry is already looking ahead to its successor, 6G. But can we say it is fully implemented?... Read more

In a world first, researchers at Nagoya University in Japan have successfully developed a resonant tunnel diode (RTD) that operates at room temperature made entirely from Group IV semiconductor materials.... Read more

Optical signal transmission can be significantly improved by limiting the wavelength of transmitted signals. Fiber Bragg grating (FBG) is a technique widely used in optical communication, sensing, and laser technologies for selectively blocking certain wavelengths of light. In optical fibers, FBG functions as a band-rejection filter that reflects specific light... Read more

Apple's unveiling of the latest batch of iPhones yesterday may have grabbed much of the attention, but the satellite messaging added to the Apple Watch Ultra 3 is an engineering marvel, says a Northeastern University expert.... Read more

Potholes could be a thing of the past, after a team of Monash engineers found a way to use smartphones to monitor roads—a cheaper, quicker alternative to Australia's current road survey methods.... Read more

A ship likely cut cables in the Red Sea that disrupted internet access in Africa, Asia and the Middle East, experts said Tuesday, showing the lines' vulnerability over a year after another incident severed them.... Read more

Elon Musk's SpaceX has reached a deal worth about $17 billion with EchoStar for spectrum licenses that it will use to beef up its Starlink satellite network.... Read more

Undersea cable cuts in the Red Sea disrupted internet access in parts of Asia and the Middle East, experts said Sunday, though it wasn't immediately clear what caused the incident.... Read more

Researchers at Skoltech have presented new generalized LDPC codes (Generalized Low-Density Parity-Check Codes, GLDPC)—a practical solution that operates faster than modern solutions from the 5G standard while maintaining the original reliability of data transmission. Such codes are particularly important for designing next-generation wireless systems, where minimizing latency and ensuring reliable... Read more

On Sunday, a plane carrying European Union chief Ursula von der Leyen was reportedly forced to land in Bulgaria using paper maps after its GPS navigation systems were jammed. Bulgarian authorities claim the jamming was deliberate Russian interference, though a Kremlin spokesperson told the Financial Times this was "incorrect."... Read more

For the first time, Korean researchers have successfully demonstrated a 6G hyper-space communication technology that integrates terrestrial and satellite networks. As a core infrastructure for the future 6G era, it is being evaluated as a green light for securing the lead in 6G international standardization.... Read more

The U.S. Naval Research Laboratory in conjunction with the Marine Corps Expeditionary Energy Office (E2O); the Operational Energy Capability Improvement Fund with the Office of the Assistant Secretary of Defense for Energy, Installations, and Environment; Aerostar; and Lockheed Martin conducted a technical demonstration held at Outlying Landing Field Seagle in... Read more

Cell-free (CF) MIMO networks are emerging as a key B5G/6G technology for improved connectivity, spectral efficiency, and service quality. A recent study proposes a novel CF-MIMO signal detector that can reduce energy consumption by up to 58%.... Read more

In recent decades, communication technology has advanced at unprecedented speed. A key breakthrough is semantic communications—a shift from transmitting raw data to conveying semantic meaning. For example, in image transmission, meaning takes priority over pixel-level accuracy. By integrating user tasks into the communication process, semantic communications improve both efficiency and... Read more