Abstract: Channel state information (CSI) estimation is part of the most fundamental problems in 5G wireless communication systems. In mobile scenarios, outdated CSI will have a serious negative ...

For many, it's been years since they've sat in a classroom while a teacher tested their arithmetic skills. Internet users are now racking their brains to remember how to solve elementary school ...

Abstract: Portfolio optimization involves applying the concept of diversification across asset classes, which entails investing in a diverse range of asset types to mitigate risk. It aims to maximize ...

Okay: Lyft CEO David Risher. Here we go. This interview has been lightly edited for length and clarity. David Risher, you’re the CEO of Lyft. Welcome to Decoder.