Tokyo Tech: 28 GHz band · radio for 5 G – Two polarized MIMO communication possible
Contributing to lower cost of 5G radio
wrap up
Development of “28 GHz band 5G oriented phased array radio” compatible with dual polarized MIMO
Realized by low cost and mass-producible silicon CMOS integrated circuit chip
Bidirectional transceiver technology can be applied not only to 5G but also to various wireless communications
Overview
Tokyo Institute of Technology developed a 28 GHz band phased array radio for 5 G.
It was manufactured with inexpensive mass-production silicon CMOS chip for 5 G
By using a bidirectional transceiver, the radio realizes space saving of the CMOS chip,
In the radio made of CMOS chip, we succeeded in communication of two polarized MIMO using the 5 G signal for the first time in the world.
the next deployment
In the radio,
It is compatible with dual polarized MIMO,
CMOS chip realized area saving,
Driving the size and cost reduction of 5G radio
In the future, we aim for practical use around 2020 with targeting for use in smartphones and base stations.
The bi-directional transceiver technology, which is the key to saving space,
It is applicable not only to 5G but also to various wireless communications,
Technology effective for downsizing and cost reduction of wireless terminals
International conference
ISSCC 2019（IEEE International Solid-State Circuits Conference 2019）
A 28GHz CMOS Phased-Array Beamformer Utilizing Neutralized Bi-Directional Technique Supporting Dual-Polarized MIMO for 5G NR