Abstract: This paper investigates the codebook design for the novel parallel dynamic subarrays for millimeter-wave (mmWave) massive MIMO systems. To generate high-resolution patterns, we design a ...

Owners reported sudden deceleration, downshifting, and temporary rear wheel lockups in 2015-2017 models. The investigation by the National Highway Traffic Safety Administration could potentially lead ...

Five years ago, mathematicians Dawei Chen and Quentin Gendron were trying to untangle a difficult area of algebraic geometry involving differentials, elements of calculus used to measure distance ...

Microsoft’s MSFT-2.58%decrease; red down pointing triangle Copilot chatbot has become central to its artificial-intelligence strategy as the company’s close partnership with OpenAI diminishes. But the ...

Guterres warns against erosion of international law and cooperation Multilateralism under assault, secretary-general says, amid global conflicts, US funding cuts Guterres prioritizes AI governance to ...

Erin Collins oversees the Taxpayer Advocate Service (TAS) and serves as the “Voice of the Taxpayer” within the IRS and before Congress. (Photo by Samuel Corum-Pool/Getty Images) In her Annual Report ...

Abstract: This communication proposes a novel joint optimization method for subarray tiling and rotation angles in domino-tiled planar arrays to synthesize multi-beam circularly polarized (CP) ...

Amateur mathematicians are using artificial intelligence chatbots to solve long-standing problems, in a move that has taken professionals by surprise. While the problems in question aren’t the most ...

Over the weekend, Neel Somani, who is a software engineer, former quant researcher, and a startup founder, was testing the math skills of OpenAI’s new model when he made an unexpected discovery. After ...

JDK 27, due in September, kicks off with a post-quantum hybrid key exchange proposal to bolster the security of network communications. Java Development Kit (JDK) 27, a release of standard Java ...

Zohran Mamdani, like every modern mayor of New York, takes on the devilishly difficult job of attempting to master municipal challenges for which, in reality, there are no true solutions. Every New ...

Consumer Reports’ latest annual survey flags the most unreliable PHEVs across multiple segments, including the Mazda CX-90 and Jeep Wrangler 4xe. A plug-in hybrid vehicle (PHEV) offers several ...