Telecom

Airborne antennas to address EMF concerns

Movable airborne antennas receiving cellphone signals could reduce EMF exposure while offering higher data transmission speed and using less power.

Telecom

Enhancing the performance of future 5G cellular networks

Society relies heavily on wireless communication. Many individuals have access to at least one mobile phone; in fact, there are more mobile phones in use than the current population of the planet. Within five years, predictions ...

Security

Encrypting images chaotically

An artificial neural network approach to image encryption offers many advantages over conventional encryption methods suggests a review published in the International Journal of Services Operations and Informatics. Shaimaa ...

Telecom

Security gap allows eavesdropping on mobile phone calls

Calls via the LTE mobile network, also known as 4G, are encrypted and should therefore be tap-proof. However, researchers from the Horst Görtz Institute for IT Security (HGI) at Ruhr-Universität Bochum have shown that this ...

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