Articles tagged with Telecommunications
Researchers at Princeton University have developed an AI-powered system to design complex wireless chips, reducing time and cost. The AI creates intricate electromagnetic structures that improve performance and efficiency, often in ways that human designers cannot understand.
Researchers at Aalto University developed a new type of infrared photodiode that is 35% more responsive at 1.55 µm than existing germanium-based components. The new device can be manufactured using current production techniques, making it highly practical for adoption in various technologies.
Between 2020 and 2023, buprenorphine dispensing to adolescents increased, while prescribing declined among young adults. These changes are attributed to improved outreach, telehealth prescriptions, and elimination of waiver requirements.
Four EU-funded 6G projects launched in January 2025 will focus on sustainable energy-efficient networks and reducing environmental impact. The SUSTAIN-6G, 6G VERSUS, AMBIENT 6G, and SNS-CO OP projects aim to create a 6G future that benefits everyone, combining technological innovation with societal and environmental priorities.
Researchers found that smart TVs send detailed profiles of consumers' habits to servers, using Automatic Content Recognition technology. This tracking raises significant privacy concerns, particularly when the TV is used solely as a monitor, and can be difficult for users to disable due to lack of transparency.
The DIME project has achieved a critical breakthrough in overcoming technical obstacles to widespread adoption of edge AI. It has developed strategies to optimize performance without compromising decision quality and an innovative online learning algorithm to verify AI model accuracy in real time.
The SUSTAIN-6G project, led by Nokia, aims to develop sustainable technologies for 6G communications, focusing on smart grids, e-health, and agriculture. UC3M will focus on developing eco-friendly computing technologies for mobile networks.
Researchers at the University of Waterloo have created a tiny, wearable generator that can charge laptops and power smartphones using body vibrations. The device uses piezoelectric materials to generate electricity efficiently and cost-effectively.
Researchers at University of Arizona discovered a spike in carbon-14 dating to 664 B.C., pinpointing the last known extreme solar storm event. The study provides crucial data for scientists studying sun's activity and offers insights into massive storms' effects on Earth's atmosphere.
The Medical University of South Carolina is using a $1.75 million grant to develop and test the effectiveness of telehealth-enabled collaborative care management for primary care patients in rural South Carolina. The goal is to improve behavioral health outcomes while reducing pressure on primary care physicians.
Daily multidisciplinary telemedicine rounds by board-certified intensivists failed to decrease ICU stays for critically ill adults. No significant impact on patient outcomes was observed.
Prescription volumes for stimulant and antidepressant medications rose, while opioid volumes decreased between 2019 and 2022. Telehealth prescriptions climbed across medications, with a notable increase in opioids.
A recent study published in JAMA found that telehealth delivery of early palliative care is equivalent to in-person care in terms of quality of life outcomes for patients with advanced non-small cell lung cancer. This finding highlights the potential benefits of expanding access to this evidence-based care model through telehealth.
A new study by Binghamton University researchers found that virtual team members who receive inspiring responses from others are more likely to be viewed as emergent leaders. To become an effective leader in a virtual setting, it's essential to pay attention to how the audience responds to your message and support others' ideas.
Scalable telehealth mindfulness-based interventions show promise in treating chronic pain by improving function and reducing symptoms. The low-resource approach could accelerate the adoption of nonpharmacological pain treatment in healthcare systems.
A new study by Lancaster University highlights that women are more likely than men to experience 'digital overload' and burnout due to their greater use of digital technologies in both work and family lives. The research emphasizes the need for gender-egalitarian work-from-home arrangements and policies to address this issue.
Researchers measured dielectric properties of 11 polyimides to establish correlation between molecular structure and dielectric behavior. The study revealed that higher fluorine content resulted in lower dielectric constant values, enabling potential applications for 6G technologies.
A new study found that urban moss in older Portland neighborhoods has up to 600 times higher lead levels than rural areas, with concentrations linked to old telecommunications cables. The findings raise concerns about lead exposure and recommend avoiding soil disturbance in affected areas.
Silicon photonics enables frequency-entangled qubits, allowing secure quantum information distribution across a five-user quantum network. The breakthrough promotes advancements in quantum computing and ultra-secure communications networks.
A novel technique called time-division MIMO beamformer enables millimeter-wave MIMO receivers without additional hardware, achieving -23.5 dB error vector magnitude and rapid Nyquist-rate beam switching times. This innovation paves the way for smaller and more efficient multi-beam MIMO systems.
A longitudinal cohort study found that telehealth availability has declined since the COVID-19 public health emergency ended, affecting mental health treatment facilities. The decline suggests a need for targeted policies to sustain telehealth access and ensure continued support for mental health care.
Researchers at Universitat Autonoma de Barcelona have developed a telecommunications switch capable of operating at high frequencies with lower power consumption than current devices. The switch uses non-volatile material hBN, allowing it to activate its ON or OFF state with an electrical voltage pulse instead of a constant signal.
A survey of hospital-at-home care acceptability found substantial agreement among respondents, regardless of sociodemographics or health status. Most participants indicated they could handle many caregiver responsibilities, suggesting a manageable burden.
A team at NICT set a new world record for data-rate transmission in a standard optical fiber, reaching 402 Tb/s and increasing the aggregate bandwidth to 37.6 THz. The demonstration used novel technologies to access new wavelength regions, enabling future optical communication infrastructure to meet growing demands.
A prospective study found that medication abortion via no-test telehealth and mailing of medications was comparable in effectiveness to in-person care with ultrasonography. The research also revealed low adverse event rates across all groups.
Researchers from Shinshu University have developed a strategy to up- and down-convert terahertz signals using dynamic conductivity modification, creating temporal boundaries. This approach could pave the way for faster data transmission and enhanced telecommunications in fields like deep learning and robotics.
Researchers at Tokyo Institute of Technology designed a novel transceiver that improves 5G network coverage even in areas with link blockage. The device features efficient wireless power transmission and high-power conversion efficiency, enabling simultaneous data and power transmission.
A new 640 Gbps D-band CMOS transceiver chipset offers speeds 10 to 100 times faster than current 5G systems. The proposed chipset enables high-speed wireless transmission, with applications in automated cars, telemedicine, and advanced virtual reality experiences.
A team of scientists from Tokyo Institute of Technology has developed a novel 5G relay that can be powered wirelessly at a lower frequency of 5.7 GHz, enabling wider coverage and range for devices. This innovative design offers improved power conversion efficiency and versatility, making it an ideal solution for smart factories.
Researchers developed a chip-scale erbium-doped waveguide laser that approaches fiber-based laser performance, featuring wide wavelength tunability and stable output. The breakthrough enables low-cost, portable systems for various applications including telecommunications, medical diagnostics, and consumer electronics.
A 12-week health education program using videoconferencing software showed improved physical activity and adherence to health advice compared to a control group. The study suggests that videoconferencing can be an effective tool for promoting sustainable behavioral changes among older adults, regardless of location or distance.
A cohort study found that decentralization through telemedicine and local care can substantially reduce cancer care's environmental impact. The study also showed small reductions in human mortality as a result of these changes.
Researchers collected an unprecedented amount of data on SMS phishing attacks, identifying 35,128 unique campaigns and 600 distinct operations. They also found that phishers use mainstream servers, URL-shortening apps, and web infrastructure to support their operations.
Researchers at Penn Engineering have developed an adjustable filter that can prevent interference and enable the use of higher-frequency bands in wireless communications. The filter, made from a unique material called yttrium iron garnet, is tiny and requires minimal power, making it suitable for future mobile devices.
The MiFuture project aims to develop ultra-massive MIMO technology for future cell-free heterogeneous networks, enabling innovative applications such as telesurgery and holographic virtual meetings. Fifteen PhD students will be funded to complete their doctoral studies and generate highly qualified researchers in this field.
Researchers have introduced iso-propagation vortices, offering a solution to increasing information processing capacity while overcoming traditional vortex beam limitations. IPVs exhibit OAM-independent propagation, allowing for consistent beam size during free-space propagation.
Researchers at Harvard University have successfully demonstrated the first metro-area quantum computer network in Boston, using existing telecommunication fiber to send hacker-proof information via photons. The breakthrough overcomes signal loss issues, enabling the creation of a secure quantum internet.
A cohort study found that high levels of telehealth use were associated with more clinician encounters, ambulatory care-sensitive hospitalizations, and higher healthcare costs. COVID-19 cases still remained high during the study period, suggesting that HSAs with higher telehealth intensity may have better capacity for health services.
A new study from UCLA and Duke University reveals that strong local journalism plays a crucial role in supporting funding for dams, sewers, and other basic infrastructure vital to climate resilience. Reading detailed news coverage with specific local details about infrastructure maintenance requirements increases support for spending b...
A new, low-cost, high-efficiency photonic integrated circuit has been developed using lithium tantalate technology. The breakthrough platform offers scalable and cost-effective manufacturing of advanced electro-optical PICs, paving the way for volume manufacturing.
Text messaging and bulk ordering can significantly increase mammogram completion rates for breast cancer screening outreach. The study found that these interventions are effective in improving adherence to recommended screening guidelines.
Researchers have developed a proposed system to control specific devices on a network, allowing for more efficient and secure control. The system uses a broadcast authentication method, which enables remote control of arbitrary target devices simultaneously.
Researchers developed a novel temperature-dependent viscosity mediated strategy to control Bi dopant deactivation during fiber drawing. A borate glass system with faster viscosity changing rate was created, resulting in the first demonstration of on-off gain in a Bi-doped borate fiber system.
For the first time, scientists have created a system that interfaces two key components of quantum networks: quantum information creation and storage. The team used regular optical fibres to transmit quantum data, enabling long-distance communication and paving the way for distributed computing and secure communication.
A telephone-based strategy improved guideline-directed medical therapy rates for outpatients with heart failure by 30 days, offering a low-cost solution for rural settings with limited access to care. This study suggests the potential for expanded remote healthcare initiatives to address health disparities.
The digital twin of a railway wireless network uses scenario modeling, radio wave propagation characterization and integrated operation platforms to improve safety and efficiency. The study introduces key technologies such as ray tracing and AI-based super-resolution to achieve accurate deterministic modeling of wireless channels.
Researchers found that adding a note to play up psychological sense of ownership was more effective at convincing people to get the booster. This approach outperformed lab findings and expert insights, highlighting the importance of reproducibility in behavioral science.
Researchers from Osaka University and IMRA AMERICA have developed a photonics-based wireless link that breaks speed records for data transmission. The system achieved a single-channel transmission rate of 240 gigabits per second using ultra-low phase noise, paving the way for near-instantaneous global communication.
The SLICES research infrastructure, launched by UC3M and IMDEA Networks, provides high-quality experimentation services with emerging technologies like 5G/6G, IoT, NFV, or Cloud Computing. This Spanish node aims to support the scientific community in experimenting with cutting-edge resources.
A new study proposes a data-sharing solution based on distributed fountain coding to improve the reliability of transmission in complex vehicle-connected environments. The proposed method allows receivers to accept encoded packets from different vehicles, reducing decoding failure caused by network anomalies.
Researchers developed a carbon-based tunable metasurface absorber with an ultrawide, tunable bandwidth in the THz range. The absorber boasts high absorption efficiency and insensitivity to polarization angles, paving the way for advanced technological applications.
A new algorithm integrates deep learning and federated learning for accurate channel estimation, outperforming state-of-the-art models in sparse and dense scenarios. The algorithm's use of a user motivation scheme and federated learning framework provides robustness, adaptability, and scalability.
Researchers use water as a nonlinear medium to create a supercontinuum white laser covering an impressive spectral range from UV to far infrared. The resulting ultrabroadband source has potential in ultrafast spectroscopy, hyperspectral imaging, and scientific research.
Multicommunicating can enhance primary tasks and minimize delays when done correctly. Effective management of communication partners' expectations is key to avoiding distractions.
Research found mobile phone users process information faster but are more likely to fall for misinformation compared to personal computers. PC users, however, are more susceptible to phishing attempts, highlighting the importance of device-specific responses.
Researchers at Osaka Metropolitan University fabricated GaN transistors using diamond substrates, achieving more than twice the heat dissipation of SiC-based transistors. This novel technology has the potential to revolutionize power and radio frequency electronics with improved thermal management capabilities.
A team of researchers at Ghent University and imec developed a silicon photonic temperature sensor that measures up to 180°C. The sensor was realized in the framework of the European SEER project, where partners focus on integrating optical sensors in manufacturing routines for composite parts.
A randomized clinical trial found that Mindfulness-Oriented Recovery Enhancement (MORE) plus usual care significantly decreased drug use, pain, and depression in individuals with opioid use disorder and chronic pain. Participants who received MORE also showed increased methadone treatment retention and adherence.
A research team at City University of Hong Kong has developed a novel performance evaluation method called Information Exchange Surrogate Approximation (IESA) to calculate blocking probabilities in queueing systems with overflow. IESA provides ways to allocate limited resources better, enhancing resource allocation and capacity plannin...
Researchers from NICT and partners demonstrated a record-breaking data-rate of 22.9 petabits per second using a single optical fiber, more than double the previous world record. The achievement showcases the potential for ultra-large capacity optical communication networks.