DOCOMO’s 5G Outdoor Trial Achieves 4.5Gbps Ultra-high-speed Transmission

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NTT DOCOMO, Inc. announced today that its joint 5G outdoor trial with Ericsson achieved a maximum data transmission speed of over 4.5Gbps using the high-frequency 15GHz spectrum band on February 17. This is the first phase of trials designed to pave the way for DOCOMO’s deployment of a commercial 5G network by the Tokyo 2020 Olympic and Paralympic Games in July 2020.

NTT Docomo_5GIn a separate indoor 5G trial with Nokia Networks on December 18, 2014 to verify beamforming, a technique for more stable high-speed data transmission using exceptionally higher frequencies in the 70GHz band, DOCOMO achieved data transmissions of over 2Gbps.

DOCOMO also announced that it has agreed with its two newest partners, Huawei and Mitsubishi Electric, to conduct technical verifications of emerging 5G mobile communications technologies using various frequency bands, including lower than 6GHz and extremely high frequencies, called millimeter waves. In total, DOCOMO’s 5G trials now encompass eight blue-chip mobile technology vendors, also including Alcatel-Lucent, Fujitsu, NEC and Samsung.

The trials with Ericsson and Nokia Networks verified technologies for super-high frequencies, which tend to travel shorter distances than lower-frequency signals, a major challenge for commercial 5G deployment.

Details of both high-frequency trials will be presented at the GSMA Mobile World Congress 2015 in Barcelona, Spain from March 2 to 5.

Going forward, DOCOMO is aiming at an eventual 5G commercial service launch that will establish a highly advanced mobile communications environment for enjoyment of super-high-definition and multi-view sports images.

Wahengbam Rorrkychand

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Website: http://www.blog.tonsetelecom.com

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