NTT / NEC, Huawei Hae Rights breaki...
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NTT / NEC, Huawei Hae Rights breaking in the "Japanese -English Alliance"
Post 5g fetal movements Counterattack (4)
Nikkei Sangyo Shimbun [有料会員限定]"It is now possible to communicate with many vendors of vendors. The significance of actually showing this is great."
Yokosuka Research Park (YRP) is a gathering of communication -related research and development bases.The event "O-RAN PLUGFEST/POC", which connects the base station of various telecommunications equipment manufacturers (vendors), was held at the end of September 2020, and NTT DOCOMO's Managing Executive Officer nodded greatly.。
O-RAN PLUGFEST is sponsored by O-RAN Alliance, an industry organization of "OPEN RAN", which allows you to freely use various base stations.It was held simultaneously in five places around the world.At the Japanese venue, three major companies, DOCOMO, KDDI, and SoftBank, will be hosted, and at the Japanese and China venues, more than 10 vendors and parts manufacturers, including NEC, Fujitsu, South Korea Samsung Electronics, Mavenir, USA Mavenir, and JMA Wireless, the United States.Participated.
The mobile phone base station is composed of an antenna and wireless device (RU: Radio Unit), and a wireless control device (Du: Distributed Unit, Cu: Central Unit).DU and CU are RU and processes from the signal called the base band processing by removing the signal from the radio waves sent and receiving and receiving in the antenna.
3GPP, a standardization organization of mobile phones, formulates standard specifications that connect these devices.However, the specifications were inadequate, and equipment that made up base stations had to be set up to one company.It is said that 70 % of the capital investment of mobile phone operators accounts for base stations.This was one of the factors that led to Chinese Technology (Huawei), Sweden Ericsson, and Finland Nokia.
The world situation changed at 5G, and "not at multiple companies, not to rely on one company"
Major vendor surroundings...
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