NEC: Develop of millimeter wave phased array radio for 5G-RFIC (IEEE Radio Freq IntegraCircuits)
June 3, 2019
Tokyo Institute of Technology:
NEC:
Development overview:
Success in development of millimeter wave band phased array radio for 5G
Realized by inexpensive and mass-produceable silicon CMOS integrated circuit chip
Control the directivity of radio waves with high accuracy by phase, amplitude variation and compensation mechanism of high frequency signal
Tokyo Institute of Technology and NEC jointly developed a millimeter wave band phased array radio for the 5th generation mobile communication system.
In 5G communication, millimeter wave band and frequency are used according to the conventional microwave band and frequency.
We have developed millimeter wave phased array radios for millimeter wave band and 5G wireless 5G.
Millimeter wave band 5G radio:
Control the phase of the high frequency signal input to and output from the arrayed antennas, and control the antenna directivity pattern.
Heretofore, a large-scale device has been required for highly accurate directivity control.
In this case, it corrects the variation of the phase and amplitude that is a factor that degrades the directivity pattern.
We proposed a new compact circuit and succeeded in integrating it with a radio.
This circuit enables control of antenna element signals with extremely high accuracy (phase 0.08 degrees).
A wireless device was manufactured using an inexpensive silicon CMOS (complementary metal oxide semiconductor) process.
This technology can be installed in various wireless communication devices for 5G.
It can be said that it is a result of accelerating 5G spread of millimeter wave band.
reaserch result:
It will be presented at the International Conference RFIC (IEEE Radio Frequency Integrated Circuits Symposium <The 20th Symposium of the Institute of Electrical and Electronics Engineers of Japan, Radio Frequency Integrated Circuits Symposium> 2019) held in Boston, USA from June 2.
This paper was awarded the Best Paper Award.
Press Release | NEC