40 AI Industry ‘Dirty Secrets’ You Might Not Know About

Public discourse has focused a lot on artificial intelligence in the past few years. And even though the technology is hyped ...
IEEE

Active Intelligent Reflecting Surface for MISO Wireless Powered Communication: NOMA or TDMA?

Abstract: To enhance the massive connectivity and spectral efficiency of Internet-of-Things applications supporting batteryless devices, we integrate active intelligent reflecting surface (IRS) into ...
Gizmodo

Our Favorite Hobby-Friendly Gifts for Science Geeks and Gamers

All products featured here are independently selected by our editors and writers. If you buy something through links on our site, Gizmodo may earn an affiliate commission. Reading time 5 minutes ...
IEEE

Joint Beamforming and Power Allocation Design for Stacked Intelligent Metasurfaces-Aided Cell-Free Massive MIMO Systems

Abstract: Stacked intelligent metasurfaces (SIM) is considered a revolutionary technology that enables powerful signal processing directly in the electromagnetic (EM) wave domain and has significant ...
IEEE

Antenna Positioning and Beamforming Design for Fluid Antenna-Assisted Multi-User Downlink Communications

Abstract: This letter investigates a multiple input single output (MISO) downlink communication system in which users are equipped with fluid antennas (FAs). First, we adopt a field-response based ...
IEEE

Joint Beamforming for Multi-Target Detection and Multi-User Communication in ISAC Systems

Abstract: Detecting weak targets is one of the main challenges for integrated sensing and communication (ISAC) systems. Sensing and communication suffer from a performance trade-off in ISAC systems.
IEEE

Energy-Efficient Link Optimization for RIS-Assisted LEO Satellite Communications in NTN

Abstract: Integrating Low Earth Orbit (LEO) satellites into 6G networks is crucial for achieving global coverage and high-speed connectivity. However, mmWave communication at LEO altitudes faces ...
IEEE

A Hybrid Framework of RIS-Assisted Robust Secure Transmission Design for Multibeam Satellite Communications

Abstract: In this paper, we investigate the hybrid secure transmission strategy for reconfigurable intelligent surface (RIS)-assisted multibeam satellite communications. In particular, two scenarios ...
IEEE

Secure Downlink Transmission of Active RIS Aided Cell-Free System

Abstract: This letter considers an active reconfigurable intelligent surfaces (RIS) aided secure cell-free system, and focuses on enhancing the secure transmission performance of legitimate users by ...
IEEE

Joint Beamforming Optimization and Mode Selection for RDARS-Aided MIMO Systems

Abstract: Reconfigurable intelligent surface (RIS) has emerged as a cost-effective solution for green communications in 6G. However, its further extensive use has been greatly limited due to its fully ...
Forbes

‘Freaks And Geeks’: The Birth Of A Cult Classic

Forbes contributors publish independent expert analyses and insights. Marc Berman is a New York-based reporter who covers media. FREAKS AND GEEKS — Season 1 Gallery — Pictured: (l-r) James Franco as ...