Abstract: This paper proposes a hybrid beamforming framework for massive multiple-input multiple-output (MIMO) in near-space airship-borne communications. To achieve high energy efficiency (EE) in ...

Looking for good code examples for LeetCode problems? You’re in luck! Lots of people share their solutions online, especially on GitHub. It’s a great way to see how others tackle tough coding ...

Anyone who's mucked about with consumer-grade 3D printers knows that it's infinitely cool to create stuff with them, but you can't realistically expect those products to be particularly durable. If ...

According to a new trial, patients with chronic lymphocytic leukemia (CLL) show comparable outcomes whether they receive a single-agent treatment indefinitely or a combination treatment for a fixed ...

So, you want to get better at coding challenges, maybe even ace that interview, but you don’t always have internet access? That’s a pretty common situation. Luckily, there are ways to get LeetCode ...

Ōura Health, maker of the sleek ring that tracks sleep, stress, and fitness, has formally petitioned the FDA for clearance to continuously monitor blood pressure through its optical sensors. If ...

As the health and fitness editor at CNN Underscored, I’m no stranger to testing wearables like running watches and Oura rings. So when I first heard about Lingo, Abbott’s continuous glucose monitor ...

Abstract: In this paper, an efficient wavenumber-domain algorithm is developed for the millimeter-wave imaging scheme with boundary subarray (BSA)-based multi-plane MIMO arrays. Compared to the ...

This approach iterates directly over values (for num in nums) instead of using the right index. Expands the window implicitly with each new num. Shrinks by moving left only when the condition is ...