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Generative Spectrum Cartography: Unified Reconstruction and Active Sensing via Diffusion Models

arXiv:2512.20108v2 Announce Type: replace Abstract: High-fidelity spectrum cartography is important for spectrum monitoring and wireless situational awareness, especially in satellite-based wide-area sensing scenarios where measurements are sparse, noisy, and often low-bit quantized. In such settings, two coupled challenges arise: accurate reconstruction from severely incomplete measurements and efficient allocation of additional sensing resources under a limited sensing budget. Existing...

arXiv CS 7d ago

SpaceX IPO hype has traders flocking to this mid-cap stock

Hype for the biggest IPO of all-time is at a fever pitch and traders can't wait – literally. Options volume is picking up in Nasdaq-listed Echostar, a $35-billion networking business based in Colorado that owns an estimated 3% of SpaceX stock, which it acquired through a deal providing wireless spectrum to Starlink in September. Trading activity on Wednesday was more than three times the daily average the past month, according to data from Cboe LiveVol, with more than 60,000 options...

CNBC 6d ago

Motorola announces the $600 Edge 2026 phone

Motorola announces the $600 Edge 2026 phone The company has also unveiled the $100 Moto Buds 2. Motorola has unveiled a new mid-range phone, the Motorola Edge 2026, which you'll be able to get for $600.

Engadget 8d ago

Spatially Distributed Task-Oriented Compression for Multi-Emitter Localization and Characterization with Spectral Overlap

arXiv:2606.01446v1 Announce Type: cross Abstract: Radio frequency spectrum awareness requires the ability to detect, localize, and characterize emitters in dense and contested wireless environments. In this work, we propose a task-oriented distributed compression framework for joint multi-emitter localization and characterization using spatially distributed receivers.

arXiv CS 8d ago

Spatially Distributed Task-Oriented Compression for Multi-Emitter Localization and Characterization with Spectral Overlap

Announce Type: replace-cross Abstract: Radio frequency spectrum awareness requires the ability to detect, localize, and characterize emitters in dense and contested wireless environments. In this work, we propose a task-oriented distributed compression framework for joint multi-emitter localization and characterization using spatially distributed receivers. Each receiver observes a short window of complex IQ samples, converts the observation to a time--frequency representation, and encodes...

arXiv CS 2d ago

Digital Twin-Assisted Adaptive Multi-Agent DRL for Intelligent Spectrum and Resource Management in Open-RAN UAV-Enabled 6G Networks

Announce Type: new Abstract: The evolution toward 6G wireless networks envisions a seamlessly intelligent, Open-RAN-enabled architecture where unmanned aerial vehicles (UAVs) play a pivotal role in extending coverage, enhancing resilience, and ensuring reliable connectivity for ground users deployment. However, efficiently managing spectrum and resources in such highly dynamic UAV-assisted environments remains a major challenge due to nonlinear system interactions, mobility-induced topology...

arXiv CS 8d ago

How to get your money's worth from YouTube Premium

How to get your money's worth from YouTube Premium Did you know you can skip those VPN ads? YouTube Premium has been a topic of fierce debate over the years, with some users baffled that anybody would pay to avoid ads on the video platform while others insist it's worth every penny. That debate was re-roiled in April, when YouTube once again raised the price of Premium.

Engadget 3d ago

VaN3Twin: the Multi-Technology V2X Digital Twin with Ray-Tracing in the Loop

arXiv:2505.14184v3 Announce Type: replace Abstract: This paper presents VaN3Twin-the first open-source, full-stack Network Digital Twin (NDT) framework for simulating the coexistence of multiple Vehicle-to-Everything (V2X) communication technologies with accurate physical-layer modeling via ray tracing. VaN3Twin extends the ms-van3t simulator by integrating Sionna Ray Tracer (RT) in the loop, enabling high-fidelity representation of wireless propagation, including diverse Line-of-Sight (LoS)...

arXiv CS 5d ago

These early Prime Day deals all have 10,000+ five-star ratings — and prices start at $4

Prime Day is a couple of weeks away, but some of the top best-sellers on Amazon are already on sale ahead of the major shopping event. We rounded up those with at least 10,000 five-star ratings — only the best of the best — including Apple AirPods 4, the Stanley Quencher tumbler and the shopper-favorite Paula's Choice 2% BHA exfoliant. Early discounts reach up to 55% off, with prices starting at just $4.READ MORE: When is Prime Day 2026?

Fox News 3h ago