The continuous growth of mobile traffic and limited spectrum resources limits the capacity and data rate. Heterogeneous Networks (HetNet) is a solution with multiple radio interfaces in smartphones to ...

In this letter, we proposed an ultrasonic sensor-based resolution tunable displacement measurement system by using an extension spring. In the proposed method, a linear extension spring is vertically ...

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Meta's new AI feature requests photo uploads from users for personalized suggestions, sparking privacy concerns.

10 Easiest Countries for Citizenship—and 7 Where It's the Hardest Miliband shuns £25bn UK-Morocco renewable energy project Xlinks Abandoned WWII Plane Discovered Deep in a Chinese Forest ...