Abstract: In this paper, we consider uplink channel estimation for massive multi-input multi-output (MIMO) systems with partially connected hybrid beamforming (PC-HBF) structures. Existing beam design ...

Abstract: Beyond diagonal reconfigurable intelligent surface (BD-RIS) architectures offer superior beamforming gain over conventional diagonal RISs. However, the channel estimation overhead is the ...

YouTube is testing a change where it may stop sending all notifications from a channel to inactive subscribers. The update targets users who have not recently engaged with the channel. The reported ...

Rainbow Group has tapped Chiara Mologni as head of acquisitions and channel strategy to support its international expansion. “Chiara brings to Rainbow an exceptional mix of strategic vision and ...

Threads is introducing group DMs that support up to 50 people, with features like custom chat names and upcoming invite links. The messaging system now includes media sharing, stickers, and privacy ...

An Android Authority teardown of the latest Google Messages beta has revealed a change to group chat icons in testing. We managed to activate the option to remove a group chat icon and restore the ...

One reason people prefer group chats in Apple's iMessage or RCS texting is the extra control and security these platforms provide. If everyone in your group is using iPhones, or if you're on Android ...

I'm developing a .NET Maui Program to interface with Firebase Push Notifications. I'm using version 3.2.11 of Plugin.FirebasePushNotifications I created a NotificationChannelFactory.cs that iterates ...