Ericsson and KDDI started 5G Proof of Concept (PoC) activities on 4.5GHz
The PoC is a significant milestone towards 5G commercial realization
Ericsson (NASDAQ: ERIC) and KDDI, a leading Japanese operator, started 4.5GHz PoC activities in Shinjuku, Tokyo and in Ichinomiya, a city located in Aichi prefecture. The both companies will continue 5G NR (New Radio access technology) on 4.5GHz and 28GHz at the both sites.
In Ichinomiya, interworking between Ericsson’s 5G NR test system and KDDI’s LTE system has been successfully achieved. The interworking, switching from 5G NR to LTE and from LTE to 5G NR, was demonstrated and verified by moving the coverage edge of 5G NR while transmitting data in the field environment. Ericsson’s 5G NR test system was connected to an Ericsson 5G-enabled core network running virtual User Data Consolidation and virtual Evolved Packet Core on Ericsson Cloud Execution Environment.
The achievement marks a significant milestone towards 5G commercial realization and is a part of the two companies’ continuous cooperation on 5G.
Yoshiaki Uchida, Senior Managing Executive Officer, KDDI, says: “The PoC activities will pave the way and allow us to accelerate our journey to 5G. We will continue field tests for the commercial 5G services launch in 2020.”
Chris Houghton, Head of Market Area North East Asia, Ericsson, says: “We have worked very closely with KDDI to prepare for the introduction of 5G in Japan by 2020, and we are pleased to have reached this point. Proving that Ericsson’s 5G NR system can interwork with LTE network is an important step for a smooth evolution to 5G.”
KDDI and Ericsson have collaborated on 5G since November 2015, when they signed a Memorandum of Understanding with the intention to advance the evolution of the technology. In January 2017, the two companies have carried out proof of concept activities for 5G using the 28GHz frequency band in Shinjuku, one of the busiest districts in Tokyo. The second 5G test site has also been deployed in Ichinomiya, a city located in Aichi Prefecture.
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