Communications

Obtaining 6G Edge Intelligence

The race to develop sixth-generation (6G) mobile networks is accelerating, with commercialization expected by 2030. Read on to learn how some researchers are exploring the integration of edge AI and space–ground integrated networks (SGINs) to extend AI services globally.

A Blueprint for a 6G Core Network

A research team from Huawei’s advanced wireless labs in Canada and China has published a blueprint for a 6G core network that can generate, update, and execute its own control procedures without human intervention. Read on to learn more.

The Next Step in Wireless Cellular Technology: 6G

Researchers from the University of Tokyo, as part of a multi-institution team, have created an electromagnetic wave absorber for waves between 0.1–1 terahertz (THz). This greatly expands the range of the terahertz frequency which could be commercially used in the future. Read on to learn more.

Wireless Transceiver Rivals Fiber-Optic Speed

A new transceiver invented by electrical engineers at the University of California, Irvine boosts radio frequencies into 140-gigahertz territory, unlocking data speeds that rival those of physical fiber-optic cables and laying the groundwork for a transition to 6G and FutureG data transmission protocols. Read on to learn more about it.

Privacy-Aware Building Automation

Researchers at the University of Tokyo developed a framework to enable decentralized artificial intelligence-based building automation with a focus on privacy. The system enables AI-powered devices like cameras and interfaces to cooperate directly, using a new form of device-to-device communication. In doing so, it eliminates the need for central servers and thus the need for centralized data retention, often seen as a potential security weak point and risk to private data. Read on to learn more.

Overcoming Multipath Propagation

A research team has designed a passive metasurface-based filtering system that breaks free from LTI constraints through an innovative time-varying interlocking mechanism. The design incorporates metasurface panels with internally coupled circuit elements, including metal-oxide-semiconductor field-effect transistors (MOSFETs). Read on to learn more.

FPGA-Accelerated AI for Demultiplexing Multimode Fiber Toward Next-Generation Communications

The technique promises immediate impact not only on high-capacity optical communications but also on real-time endoscopic imaging, vibration-tolerant fiber sensors, and any application that demands fast, energyefficient phase retrieval. Read on to learn more.

New MEMS Modulator Offers Significant Advancements in Optical Efficiency

A new Microelectromechanical system (MEMS) grating modulator has been developed, offering significant advancements in optical efficiency and scalability for communication systems. By integrating a tunable sinusoidal grating with broadside-constrained continuous ribbons, a large-scale aperture of 30 × 30 mm is achieved and supports high-speed modulation up to 250 kHz. Read on to learn more.

Entangled-Photon Pairs Secure Optical Communications

NASA's Glenn Research Center has developed a method of using entangled-photon pairs to produce highly secure mobile communications that require mere milliwatts of power. Read on to learn more.

A New Method to Protect Aircraft Against GPS Outages

Researchers from Sandia National Laboratories and Ohio State University are taking experimental navigation technology to the skies, pioneering a backup system to keep an airplane on course when it cannot rely on global positioning system satellites. Read on to learn more.

Researchers Give New Meaning to the Term “Microwave Brain”

Cornell researchers have developed a low-power microchip they call a “microwave brain,” the first processor to compute on both ultrafast data signals and wireless communication signals by harnessing the physics of microwaves. Read on to learn more about it.

The U.K.’s First Long-Distance, Quantum-Secured Video Call and More

Researchers have successfully demonstrated the U.K.’s first long-distance ultra-secure transfer of data over a quantum communications network, including the U.K.’s first long-distance quantum-secured video call. Read on to learn more.

Utilizing Acoustic Signals for Autonomous Swarm Formation in Micro-Robots

Animals like bats, whales, and insects have long used acoustic signals for communication and navigation. Now, an international team of scientists have taken a page from nature’s playbook to model micro-sized robots that use sound waves to coordinate into large swarms that exhibit intelligent-like behavior. Read on to learn more.

Understanding the Vulnerability in Wireless Backhaul Networks for 5G

A research team led by Rice University’s Edward Knightly has uncovered an eavesdropping security vulnerability in high-frequency and high-speed wireless backhaul links, widely employed in critical applications such as 5G wireless cell phone signals and low-latency financial trading on Wall Street. Read on to learn more.

Nanoscale Device Points the Way to Future Wireless Communication Channels

In a paper published in the journal Nature Nanotechnology, a team of Caltech engineers reports building a metasurface patterned with miniscule tunable antennas capable of reflecting an incoming beam of optical light to create many sidebands, or channels, of different optical frequencies. Read on to learn more.

New Wearable Communication System Can Transmit Data Farther than Wi-Fi

A group of University of Arizona researchers has developed a wearable monitoring device system that can send health data up to 15 miles without any significant infrastructure. Their device, they hope, will help make digital health access more equitable. Read on to learn more.

A Digital Twin Can Predict What Data Wireless Users Will Need Before They Need It

Researchers have developed a new method for predicting what data wireless computing users will need before they need it, making wireless networks faster and more reliable. The new method makes use of a technique called a “digital twin,” which effectively clones the network it is supporting. Read on to learn more.

Enabling High-Capacity Space Communication

Researchers have achieved data rates as high as 424Gbit/s across a 53-km turbulent free-space optical link using plasmonic modulators — devices that uses special light waves called surface plasmon polaritons to control and change optical signals. The new research lays the groundwork for high-speed optical communication links that transmit data over open air or space. Read on to learn more.

Photonics-Based Wireless Link Breaks Speed Records for Data Transmission

The researchers anticipate that with multiplexing techniques (where more than one channel can be used) and more sensitive receivers, the data rate can be increased to 1 terabit per second, ushering in a new era of near-instantaneous global communication. Read on to learn more.

Smart Glove Can Boost Hand Mobility of Stroke Patients

A new groundbreaking “smart glove” is capable of tracking the hand and finger movements of stroke victims during rehabilitation exercises. The glove incorporates a sophisticated network of highly sensitive sensor yarns and pressure sensors that are woven into a comfortable stretchy fabric. Read on to learn more about the smart glove.

Unlocking the Next Generation of Wireless Communications

With a goal to revolutionize cellular communications, Penn engineers have developed an adjustable filter that can successfully prevent interference, even in higher-frequency bands of the electromagnetic spectrum. Read on to learn more about the matter.

3D Processors May Revolutionize Wireless Communication

Scientists have pioneered a method for using semiconductor technology to manufacture processors that significantly enhance the efficiency of transmitting vast amounts of data across the globe. The innovation is poised to transform the landscape of wireless communication. Read on to learn more.

New Transistor Could Shrink Communications Devices on Smartphones

After announcing a ferroelectric semiconductor at the nanoscale thinness required for modern computing components, a University of Michigan team has demonstrated a reconfigurable transistor using that material. Read on to learn more.

Unique Amplifier Could Change Optical Communication

Researchers at Chalmers University of Technology have developed an optical amplifier that they expect will revolutionize both space and fiber communication.

Hyper-Distributed RFID Antenna (HYDRA) System

Innovators have developed a method and apparatus to multiplex Radio Frequency Identification (RFID) signals efficiently. The resulting Hyper-Distributed RFID Antenna (HYDRA) system enhances distribution of the RFID reader signal, providing improved coverage for large areas as well as for small, fixed regions requiring a high density of reader antennas.

Quantum Computing Architecture May Enable High-Fidelity Communication

MIT researchers have developed a quantum computing architecture that aims to enable extensible, high-fidelity communication between superconducting quantum processors.

New Phase Shifter to Reduce Antenna Signal Loss

Researchers at the University of Birmingham have developed a new type of high-performance “phase shifter” using a liquid gallium alloy — which varies the phase angle of microwave and millimeter-wave radio signals — for use in advanced phase array antenna systems.

Light-Based Tech to Navigate the Moon

RMIT University’s Arnan Mitchell and University of Adelaide’s Dr. Andy Boes led an international team to review lithium niobate’s capabilities and potential applications in the journal Science. The team is working to make navigation systems that help rovers drive on the Moon — where GPS is unable to work — later this decade.

SuperGPS Accurate Within 10 Centimeters

This new technology — developed by engineers at Delft University of Technology, Vrije Universiteit Amsterdam, and VSL, and which can achieve an accuracy of 10 centimeters — is important for the implementation of a range of location-based applications, such as automated vehicles, quantum communication, and next-generation mobile communication systems.