This smartphone for older users sports a huge 5.5-inch screen. Its unique software offers simple menus with large text, plus GreatCall's extensive suite of services for older users. It also offers ...
One of the most unexpected and interesting announcements at the show was Jitterbug, a new MVNO from a little-known company called GreatCall. The target market for Jitterbug is older users, especially ...
Abstract: Intelligent reflecting surface (IRS) is an enabling technology to engineer the radio signal propagation in wireless networks. By smartly tuning the signal reflection via a large number of ...
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