NTT DOCOMO has accelerated the "6G" initiative, the next communication method of 5G (5th generation mobile communication system).On July 29 and 30, 2020, various stakeholders were invited to hold an online event about 6G, and in mid -July, the second edition of 6G white paper was announced.We asked Takehiro Nakamura, the company executive officer and director of the Network Innovation Research Institute, about docomo's 6G strategy.(The listener is Isao Horikoshi = Nikkei Clostec)
NTTドコモ執行役員ネットワークイノベーション研究所長の中村武宏氏5G推進も国内外でリードした。（撮影：日経クロステック）5G has just been commercialized, but the momentum for 6G is increasing as early as Japan and overseas.
In the world, 6G initiatives are becoming more active in China, South Korea and Europe.Japan also announced the "BEYOND 5G Promotion Strategy" by the Ministry of Internal Affairs and Communications.DoCoMo is also a situation where he has to step on the accelerator.
The 6G discussion is an impression that it has been two to three years ahead of the past generation.Looking back on the 5G example, which was aiming for the introduction of 2020, 2010, 10 years ago, was starting to create a concept.The concept was revealed around 2012, but the global momentum had not yet increased.DOCOMO wants to provide 6G from the 2020s, rather than waiting for 2030, 10 years later.I don't think Japan was late in other countries in terms of content in 5G.DOCOMO has led the world in past generations.We will proceed with R & D so that the world can lead the world even at 6G.
Looking at the published white paper, 6G shows a new direction, such as expansion of 5G, such as ultra -high -speed and large -capacity communication with 100G bit / second, as well as expansion of coverage to all places such as the sky, the sea, and the universe.I am.
To define 6G as a network technology, it cannot be called a new generation without an overwhelming leap.There is one direction to further evolve the system performance of 5g, high -speed, large capacity, high trust, low delay, and many simultaneous connection.In 5G, I wish I had one of these functions, but I believe that 6G must be able to combine these functions.
ドコモがホワイトペーパーで公表した6Gの要求条件の方向性（出所：NTTドコモ）Super coverage extensions to the sky, the sea, and the universe are focusing on the use of HAPS (HIGH ALTITUDE PLATFORM STATION, High Altitude Pseudo Satellite) and low -tracked satellites.We believe that if we can communicate in places that have not been areas so far, we can develop various needs and expand our business.
What kind of needs and services do you think 6G will expand?
One example is the theme of "human expansion", which extends human physical, perception, and cognitive abilities at 6G.For example, the sensor reflects the movement of a person in a cyber space so that it can use a machine to reproduce the movement or convey the movement to another place.The technology to detect brain waves has also been evolved, and it has become possible to reflect human perception and cognitive information in cyber space.It's no longer a dream to convey people's hearts to others, like telepathy, regardless of words and personal words.There is also an organization that is conducting such research in Japan, and we want to jointly develop a use case for 6G.
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