Abstract: Accurate estimation of the cascaded channel from a user equipment (UE) to a base station (BS) via each reconfigurable intelligent surface (RIS) element is critical to realizing the full ...

If a business wants to offset processing fees, you could have to pay a surcharge for using a credit card. However, if you want to avoid this fee, pay with your debit card, cash or check. Paying a ...

Consider sunscreen as one part of your overall skin cancer protection plan, year-round, especially if staying in the shade and wearing protective clothing aren’t available as your first options.

What really happens after you hit enter on that AI prompt? WSJ’s Joanna Stern heads inside a data center to trace the journey and then grills up some steaks to show just how much energy it takes to ...

In order to mitigate the mutual coupling problem in antenna arrays, a new concept of broadband decoupling using multiple decoupling nulls is proposed in this article. First, the principle of ...