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Making blockchain fast enough for IoT networks

Researchers develop Dual Perigee, a lightweight algorithm that streamlines network connections to enable secure and low-latency data sharing in IoT networks. The study reduces block-related delays by 48.54% compared to standard approaches.

SourceChiba University·JournalIEEE Transactions on Network and Service Management·TypeExperimental study·DateJan 22, 2026

IEEE study investigates the effects of pointing error on quantum key distribution systems

A new framework models pointing error in QKD optical wireless systems, clarifying its role in degrading secure key generation. The study found that increased beam waist and asymmetrical beam misalignment degrade performance, while increasing receiver aperture size and average photon numbers can improve it.

SourceInstitute of Electrical and Electronics Engineers·JournalIEEE Journal of Quantum Electronics·TypeComputational simulation/modeling·DateJan 19, 2026

The sky is full of secrets: Glaring vulnerabilities discovered in satellite communications

Researchers found that nearly half of geostationary satellite communications are not encrypted, putting sensitive data such as cellular texts, voice calls, and military information at risk. The study led to immediate action from companies like T-Mobile, Walmart, and KPU Telecom, which enabled encryption in response to the findings.

SourceUniversity of California - San Diego·TypeObservational study·DateJan 19, 2026

World's first successful 2 Tbit/s free-space optical communication using small optical terminals mountable on satellites and HAPS

NICT successfully demonstrated 2 Tbit/s free-space optical communication between two types of small portable optical terminals separated by 7.4 km in an urban environment with atmospheric turbulence, marking a major step forward in the practical application of Non-Terrestrial Networks for Beyond 5G/6G.

Novel transmission technique enables world record 430 Tb/s in a commercially available, international-standard-compliant optical fiber

Researchers have demonstrated a record-breaking 430 terabits per second (Tb/s) optical transmission using a novel approach that triples the capacity of standard-compliant cutoff-shifted optical fibers. The technology offers high throughput with reduced complexity, while utilizing existing optical fiber infrastructure.

World’s first demonstration of entanglement swapping using sum-frequency generation between single photons

Researchers successfully demonstrated entanglement swapping using sum-frequency generation between single photons with a high signal-to-noise ratio. This achievement is expected to contribute to the miniaturization and efficiency improvement of photonic quantum information processing circuit, as well as the extension of transmission di...

SourceNational Institute of Information and Communications Technology (NICT)·JournalNature Communications·TypeExperimental study·DateNov 6, 2025

Successful ground-to-satellite laser communications applying next-generation error correction codes, mitigating atmospheric turbulence

Researchers have successfully demonstrated next-generation error correction codes to mitigate the impact of atmospheric turbulence on ground-to-satellite laser communications. The new codes significantly improved communication quality compared to conventional schemes, enabling practical implementation of ground-to-satellite laser links.

Distance to care and telehealth abortion demand after Dobbs

A recent study found that telehealth medication abortion requests doubled in 18 states following the Dobbs decision, with the majority of requests occurring before 6 weeks of pregnancy. This increase builds upon previous findings indicating a rise in telehealth requests among individuals living far from in-person abortion services.

SourceJAMA Network·JournalJAMA Network Open·DateOct 20, 2025

Researchers develop new indicators to detect loneliness risk in remote work

Researchers developed two new indices to analyze workplace chat data and identify employees at risk of loneliness. The study found a potential link between active online communication and stronger in-person social connections, but also noted that private messages may not accurately reflect feelings of loneliness.

SourceKyushu University·JournalJournal of Information Processing·TypeData/statistical analysis·DateOct 15, 2025

Prenatal and postnatal support apps might not work

A systematic review found little to no benefit from prenatal and postnatal support apps in reducing postnatal depression, anxiety, or improving infant bonding, breastfeeding, or parenting satisfaction. The study also investigated the effects of perinatal mobile apps on psychosocial and parenting outcomes for couples.

SourcePLOS·JournalPLOS Mental Health·DateOct 8, 2025

New polymer designs for beyond-5G telecommunications

Researchers at Waseda University have developed a new class of polymers with ultralow dielectric loss, enabling high-speed telecommunications. The polymers, specifically poly(2,6-dimethyl-1,4-phenylene sulfide) (PMPS), achieved a low dielectric constant and dissipation factor, making them suitable for future 5G and beyond networks.

SourceWaseda University·JournalCommunications Materials·TypeExperimental study·DateOct 2, 2025

UN agency for digital technologies teams with will.i.am and Google to train young AI and robotics pioneers in Africa

The International Telecommunication Union (ITU) has launched an initiative to bring artificial intelligence and robotics training to students across Africa. The programme combines hands-on AI and robotics training for young people in underserved communities, with a focus on reaching girls and other underrepresented groups.

A survey of covert UAV Communications

A survey of covert UAV communications explores emerging methods and technologies for secure transmission in UAV-assisted networks. Uncertainties can enhance covertness, and techniques like multiple antennas and artificial intelligence improve communication performance.

SourceTsinghua University Press·JournalChinese Journal of Aeronautics·DateSep 19, 2025

Room-temperature terahertz device opens door to 6G networks

Researchers at Nagoya University have successfully developed a resonant tunnel diode that operates at room temperature using Group IV semiconductor materials. This breakthrough paves the way for terahertz wireless components that can deliver unprecedented speed and data handling capacity with superior energy efficiency.

SourceNagoya University·JournalACS Applied Electronic Materials·TypeExperimental study·DateSep 16, 2025

For video-on-demand platforms, release strategy matters: streaming episodes gradually boosts consumers’ searches, subscription rates

A study by Carnegie Mellon University found that gradually releasing TV shows increases consumer engagement and subscription rates. Participants in the gradual-release group were 48% more likely to continue using the platform than those in the all-at-once release group, leading to increased subscription retention.

SourceCarnegie Mellon University·JournalMarketing Science·DateSep 8, 2025

SeoulTech scientists develop ultra-lightweight memory manager that transforms embedded system performance

Researchers at Seoul National University of Science & Technology developed LWMalloc, a lightweight and high-performance dynamic memory allocator for resource-constrained environments. The new allocator outperforms ptmalloc by achieving up to 53% faster execution time and 23% lower memory usage.

SourceSeoul National University of Science & Technology·JournalIEEE Internet of Things Journal·TypeComputational simulation/modeling·DateSep 2, 2025

SEOULTECH researchers develop game-changing wireless technology that could transform mobile communications

ConcreteSC technology achieves significant speed boosts and improved efficiency in next-generation wireless networks. The innovation integrates user tasks into communication processes, reducing computational complexity and increasing semantic meaning.

SourceSeoul National University of Science & Technology·JournalIEEE Wireless Communications Letters·TypeComputational simulation/modeling·DateAug 27, 2025

Researchers send a wireless curveball to deliver massive amounts of data

Researchers at Princeton University have developed a machine-learning system that can shape ultrahigh frequency transmissions to avoid obstacles, allowing for real-time adaptation in dynamic environments. This breakthrough could enable the widespread adoption of sub-terahertz frequencies for high-speed data transmission in applications...

SourcePrinceton University, Engineering School·JournalNature Communications·TypeExperimental study·DateAug 18, 2025

Towards better communication schemes for IoT-driven societies

A research team developed an analytical model to evaluate the performance of grant-free communications schemes in densely populated IoT environments. They found that interference cancellation improved base station throughput but did not resolve the near-far problem, while power control addressed it but led to decreased overall network ...

SourceChiba University·JournalComputer Communications·TypeExperimental study·DateJun 30, 2025

KAIST's li-fi - achieves 100 times faster speed and enhanced security of wi-fi​

Researchers at KAIST have created a new Li-Fi platform that offers speeds up to 224 Gbps and enhances security through on-device encryption. The device uses eco-friendly quantum dots and demonstrates improved brightness and efficiency, opening up new possibilities for ultra-high-speed data communication.

SourceThe Korea Advanced Institute of Science and Technology (KAIST)·JournalAdvanced Materials·TypeExperimental study·DateJun 25, 2025