Docomo, Ericsson complete 5G glass antenna trial

31 May 2019

Japanese operator NTT Docomo and glass solution provider AGC Group have collaborated with Ericsson to complete what the companies believe to be the world's first trial of 5G communications using a glass-embedded antenna.

The trial used an antenna embedded in synthetic fused silica glass to transmit and receive 28-GHz 5G radio signals.

Validation testing used a vehicle fitted with multiple antennas and traveling about 30 km/h. Using the antenna, the companies achieved downlink speeds averaging 1.3Gbps within a 100 meter range, and maxing out at 3.8Gbps at 400 MHz.

The glass antenna prototype has the potential to overcome challenges associated with high-band 5G spectrum being unable to adequately penetrate windows, the companies said.

It could potentially be attached to window surfaces in buildings, vehicles and railway cars to enable stable, high-speed 5G communications under challenging indoor and in-vehicle conditions.

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