Telecom

Key technologies in digital twin of railway wireless network

The railway system will continue to integrate global positioning systems (GPS), artificial intelligence (AI), and other technologies to improve safety, comfort, affordability, and eco-friendliness. This puts forward higher ...

Telecom

A K-/Ka-band planar shared-aperture beam-scanning array

With the rapid development of modern wireless systems such as radar and communications, there is an urgent need for the integrated development of multi-functional RF antennas. Since weight, size, and space placement are at ...

Telecom

Here's the real reason to turn on airplane mode when you fly

We all know the routine by heart: "Please ensure your seats are in the upright position, tray tables stowed, window shades are up, laptops are stored in the overhead bins and electronic devices are set to flight mode."

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