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NEC Develops 5G Massive-element Active Antenna System that Supports 28GHz Band.

- Achieved long distance communications on high radio frequency bands with low power consumption -

TOKYO, Nov 16, 2016 - (JCN Newswire) - NEC Corporation (TSE: 6701) today announced that it has developed a prototype of a massive-element (approximately 500 elements) Active Antenna System (AAS) for base stations that supports 28GHz band, with a view toward the application of 5G, the next generation wireless communication standard.

NEC's simulation trials of the newly developed AAS, which adopts beamforming, a technology for transmitting radio waves in multiple directions (to objects) while intensively and simultaneously using many antenna elements, achieved up to one kilometer in long-distance communications in 16 respective directions on 28GHz high radio frequency bands, at a communications speed of 30Gbps or faster per cell, and spectral efficiency 20 times greater than LTE on a per-communication area basis. In addition, original NEC technologies helped save several dozen watts of power(1) and reduced the size by approximately 50%(2).

"The need for high-speed and high-capacity communication services is growing in pace with the distribution of 4K/8K video and the spread of new technologies such as augmented reality and virtual reality," said Katsumi Tanoue, Deputy General Manager, Mobile Radio Access Network Division, NEC Corporation. "It is important to build a mobile network that supports services based on these technologies, utilizing high frequency bands and beamforming. NEC has achieved the creation of a power-saving and compact-size AAS by leveraging circuit design technologies such as component mounting and heat radiation, which it has accumulated over the years through the development of microwave communication systems on high frequency bands."

(1) As of November 16, 2016. Comparison when original power saving technologies are not available.

(2) As of November 16, 2016. Comparison when original component mounting and heat radiation technologies are not available.

About NEC Corporation

NEC Corporation is a leader in the integration of IT and network technologies that benefit businesses and people around the world. By providing a combination of products and solutions that cross utilize the company's experience and global resources, NEC's advanced technologies meet the complex and ever-changing needs of its customers. NEC brings more than 100 years of expertise in technological innovation to empower people, businesses and society. For more information, visit NEC at

Based on its Mid-term Management Plan 2015, the NEC Group globally provides "Solutions for Society" that promote the safety, security, efficiency and equality of society. Under the company's corporate message of "Orchestrating a brighter world," NEC aims to help solve a wide range of challenging issues and to create new social value for the changing world of tomorrow. For more information, please visit

Source: NEC Corporation


Seiichiro Toda

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Publication:JCN Newswires
Date:Nov 16, 2016
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