Unmanned aerial vehicle (UAV) carried base stations can provide on-demand deployment for ground users. Given a target area to be serviced, this letter proposes a three-dimensional (3D) deployment ...

In this paper, we address the problem of the joint three-dimensional (3D) localization of a hybrid RIS (HRIS) and a user. The most cost- and power-efficient hybrid version of an RIS is equipped with a ...

(Reuters) -An Instagram outage that affected thousands of users in the United States on Wednesday had eased, according to outage tracking website Downdetector.com. As of 12:10 p.m. ET, there were ...

Robinhood said on Monday it has launched tokens that will allow its customers in the European Union to trade more than 200 U.S. stocks and exchange-traded funds, including Nvidia, Apple and Microsoft.