From the road to the cloud: Leveraging vehicle Global Navigation Satellite System raw data

Crowdsourcing RTK: a new GNSS positioning framework for building spatial high-resolution atmospheric maps based on massive vehicle GNSS data. Credit: Satellite Navigation (2024). DOI: 10.1186/s43020-024-00135-8 Innovative Global Navigation Satellite System (GNSS) positioning technologies harness massive vehicle-generated data to create high-resolution atmospheric delay correction maps, significantly enhancing Global Positioning System (GPS) accuracy across varied spatial scales. […]

A new approach to using neural networks for low-power digital pre-distortion in mmWave systems

Overview of the proposed architecture for digital pre-distortion (DPD), connected in between the baseband layer (BB) and the analog front-end (AFE). The top part operates continuously during transmission, whereas the bottom part is only involved in updating the calibration coefficients. Credit: Ludovico Minati / Tokyo Tech In a study published in the journal IEICE Electronics […]

Deep learning empowers reconfigurable intelligent surfaces in terahertz communication

A: Indoor user equipment receiving signals from the base station (BS) via a reconfigurable intelligent surface (RIS) on a building window. B: Hardware architectures at the base station, reconfigurable intelligent surface, and user equipment. Credit: Yang Wang et al. The escalating demand for wireless data traffic, driven by the proliferation of internet-of-things devices and broadband […]

Broadband internet services are disrupted in most parts of Nepal

Credit: Pixabay/CC0 Public Domain Broadband internet was disrupted in many parts of Nepal on Thursday as Indian vendors from whom most Nepali private operators source the bandwidth stopped providing the services because of payment defaults. Private internet service providers in Nepal issued notices saying their services were either disrupted or connections were slow. The state-run […]

New metasurface innovation unlocks precision control in wireless signals

a The metasurface model. b Unit cell rotation controlled for the polarization conversion function. c Space controlled by blue DC motors for beam scanning functions. Credit: Microsystems & Nanoengineering Researchers have unveiled a technology that propels the field of wireless communication forward. This cutting-edge design, termed a reconfigurable transmissive metasurface, utilizes a synergistic blend of […]

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