Summary Report on CEATEC2025 "5G/6G Special Day II

2025.12.03

CEATEC2025 "5G/6G Special Day II" was held from October 15 (Wed.) to 16 (Thu.) at Convention Hall A of Makuhari Messe International Convention Center, jointly hosted by the Ministry of Internal Affairs and Communications, the XG Mobile Promotion Forum (XGMF), and the Association of Radio Industries and Businesses (ARIB), in conjunction with the Online The event was held in conjunction with an online conference.
The first day (Day 1) consisted of six sessions entitled "Evolution and Prospects of 5G/Local 5G," including Session 1 "5G Status and Prospects at Home and Abroad," Session 2 "Promotion of Industrial DX by 5G/Local 5G," and Session 3 "Further Development of 5G by Millimeter Wave," while the second day (Day 2) consisted of three sessions entitled Session 4 "Beyond 5G(6G) Global trend", Session 5 "6G and AI", and Session 6 "6G Strategy" were held under the title of "5G advancement, 6G latest status and outlook".
More than 1,100 people attended the two-day event on-site, and more than 1,000 people viewed the online event.

[Reference]
CEATEC 2025 "5G/6G Special Day II" video and presentation materials are now available.

[1. Contents].

● Day 1 (Day 1) Wednesday, October 15, 2025 "5G/Local 5G Evolution and Outlook"

(1) 10:00-12:45 Session 1: Lecture "Domestic and International Status and Outlook of 5G"

Speakers:
Hironobu Yumoto (Ministry of Internal Affairs and Communications), Akihiro Hikuma (NTT DoCoMo, Inc.), Kazuyuki Yoshimura (KDDI Corporation), Hideyuki Tsukuda (Softbank Corporation), Ryoji Osaka (Rakuten Mobile, Inc.), Michio Kiuchi (NEC Corporation), Shingo Mizuno (1FINITY Corporation), Yuji Uemai (Sharing Design Co.)

(2) 13:30-15:15 Session 2 Lecture "Driving Industry DX with 5G/Local 5G

Speakers:
Hiroshi Masuyama (NTT East Corporation), Hiroshi Sakamoto (KDDI Engineering Corporation), Shoichi Nishi (Obayashi Corporation), Masayuki Iida (Nittetsu Solutions Corporation), Makoto Watanabe (Kyushu Electric Power Company), Eiji Kono (Hiroshima Gas Corporation), Yuki Kinnou (NTT Docomo Business Corporation) Toshiyasu Koyama (Metropolitan Expressway Company), Kazushiro Nakamura (Railway Technical Research Institute), Mitsunori Nakamura (Regional BWA Promotion Council), Eiko Ikutame (Nokia Solutions & Networks, LLC), Toru Tsurumochi (Kyocera Mirai Envision Corporation), Hiroshi Takezawa (University of Tokyo, School of Engineering) Nakao Laboratory), Takehiro Nakamura (XGMF ODAIBA IX Core Project Leader)

(3) 15:30-17:00 Session 3: Lecture "Further Development of 5G with Millimeter Waves"

Speakers:
Masakazu Shirota (Qualcomm Japan G.K.), Daijiro Yoshii (Murata Manufacturing Co., Ltd.), Osamu Kagaya (AGC Corporation), Hiroshi Miyata (Sumitomo Electric Industries, Ltd.), Yoshitaka Inoue (KDDI Corporation), Eiji Hanawa (Kyocera Corporation), Mariko Kihara (NTT DoCoMo Inc.)

Day 2 (Thursday, October 16, 2025) "5G Advancement, 6G Latest Status and Outlook"

(4) 10:00-12:35 Session 4: Lecture + Panel Discussion "Beyond 5G(6G) Global trend

Speakers:
Hideo Fuseda (Ministry of Internal Affairs and Communications), Rajesh Kumar Pathak (Bharat 6G Alliance), LEE, Hyeon Woo (DanKook University, Korea), Jaydee Griffith (ATIS) (online presentation), Colin Willcock (6G-IA), Tony Quek (SUTD), Akihiro Nakao (XGMF co-chair, University of Tokyo), Takehiro Nakamura (NTT Docomo Inc.)

ATIS: the Alliance for Telecommunications Industry Solutions
6G-IA: The 6G Smart Networks and Services Industry Association (6G-IA)
SUTD: Singapore University of Technology and Design

(5) 13:30-15:15 Session 5: Lecture + Panel Discussion "6G and AI

Speakers:
Ryuji Yugawa (Softbank Corp.), Shinichi Isobe (NTT Docomo Inc.), Mitsuhiro Kutsu (Rakuten Mobile, Inc.), Toshiaki Yamamoto (KDDI R&D Laboratories, Inc.), Makoto Noda (NVIDIA, LLC), Akihiro Nakao (XGMF co-chair, University of Tokyo)

(6) 15:30-17:00 Session 6: Lecture + Panel Discussion "6G Strategy

Speakers:
Takehiro Nakamura (NTT DOCOMO, INC.), Mio Honda (Ericsson Japan K.K.), Takeshi Kashima (Ericsson Japan K.K.), Toshiaki Yamamoto (KDDI R&D Laboratories, Inc.), Tomoaki Otsuki (Keio University), Yuya Tsuda (Softbank Corporation), Shinichi Isobe (NTT DOCOMO, INC.) (NTT DOCOMO, Inc.), Iwao Hosako (National Institute of Information and Communications Technology), Tetsuya Ido (National Institute of Information and Communications Technology), Kazuo Hagimoto (National Institute of Information and Communications Technology), Eri Otsuka (National Institute of Information and Communications Technology), Akihiro Nakao (XGMF co-chair, University of Tokyo), Hideyuki Tokuda (National Institute of National Institute of Information and Communications Technology), Masayuki Matsui (Ministry of Internal Affairs and Communications)

2. Outline of the event

●Day 1 (Day 1) Wednesday, October 15, 2025 "5G/Local 5G Evolution and Outlook"

(1) 10:00-12:45 Session 1: Lecture "Domestic and International Status and Prospects of 5G"
Mr. Hironobu Yumoto, Director General of the Telecommunications Infrastructure Bureau, Ministry of Internal Affairs and Communications (MIC), gave an opening address on behalf of the co-organizers, followed by a lecture on the MIC's initiatives.

Director-General Yumoto, Ministry of Internal Affairs and CommunicationsDirector-General Yumoto, Ministry of Internal Affairs and Communications

Next, four domestic carriers gave presentations on the status of 5G deployment and future prospects.

Mr. Hikima, NTT DoCoMo, Inc.Mr. Hikima, NTT DoCoMo, Inc.
Mr. Yoshimura, KDDIMr. Yoshimura, KDDI
Mr. Tsukuda, SoftbankMr. Tsukuda, Softbank
Rakuten Mobile Mr. OsakaRakuten Mobile Mr. Osaka

Next, two speakers spoke on the policies of domestic vendors, including those overseas.

NEC KiuchiNEC Kiuchi
1FINITY Mr. Mizuno1FINITY Mr. Mizuno

Next, Mr. Yuji Kamimai of Sharing Design Corporation gave a presentation titled "Where We Are Now and Where We Are Going: Domestic and International Trends and Japanese Models of Infrastructure Sharing.

Mr. Mai Uemai, Sharing DesignMr. Mai Uemai, Sharing Design

Finally, Hiroyuki Morikawa, co-chair of XGMF, gave closing remarks for Session 1.

Morikawa XGMF Co-ChairMorikawa XGMF Co-Chair

(2) 13:30-15:15 Session 2 Lecture "Driving Industry DX with 5G/Local 5G
At the beginning of the session, Mr. Takehiro Nakamura, XGMF ODAIBA IX Core Project Leader, explained that this session would introduce the real deployment cases and latest trends in the field by many 5G/local 5G users. Then, 13 speakers gave lectures on the spread and expansion of 5G/local 5G and their case studies.

Mr. Nakamura, XGMF ODAIBA IX Core Project LeaderMr. Nakamura, XGMF ODAIBA IX Core Project Leader
Mr. Masuyama, NTT EastMr. Masuyama, NTT East
Mr. Sakamoto, KDDI EngineeringMr. Sakamoto, KDDI Engineering
Obayashi Corporation Mr. NishiObayashi Corporation Mr. Nishi
Mr. Iida, Nittetsu SolutionsMr. Iida, Nittetsu Solutions
Mr. Watanabe, Kyushu Electric Power Co.Mr. Watanabe, Kyushu Electric Power Co.
Mr. Kono, Hiroshima GasMr. Kono, Hiroshima Gas
Mr. Kinnoh, NTT DOCOMO BusinessMr. Kinnoh, NTT DOCOMO Business
Metropolitan Expressway Mr. KoyamaMetropolitan Expressway Mr. Koyama
Mr. Nakamura, Railway Technical Research InstituteMr. Nakamura, Railway Technical Research Institute
Mr. Nakamura, Regional BWA Promotion CouncilMr. Nakamura, Regional BWA Promotion Council
Nokia Solutions & Networks Mr. IkutameNokia Solutions & Networks Mr. Ikutame
Kyocera Mirai Envision TsurumochiKyocera Mirai Envision Tsurumochi
Mr. Takezawa, Nakao Laboratory, School of Engineering, The University of TokyoMr. Takezawa, Nakao Laboratory, School of Engineering, The University of Tokyo

Session 2 "Driving Industry DX with 5G/Local 5G" SpeakersSession 2 "Driving Industry DX with 5G/Local 5G" Speakers

(3) 15:30-17:00 Session 3: Lecture "Further Development of 5G with Millimeter Waves"
At the beginning of the session, Mr. Masakazu Shirota of Qualcomm Japan G.K. explained that this session would show how 5G can be further developed by taking advantage of the high performance of millimeter waves and explore the path to expanding its use.
Next, he gave a presentation on XGMF's millimeter-wave efforts in the form of two project activities.

Mr. Shirota, Sub Leader, XGMF ODAIBA IX Core ProjectMr. Shirota, Sub Leader, XGMF ODAIBA IX Core Project
Mr. Yoshii, XGMF Push for Life x 5G Project LeaderMr. Yoshii, XGMF Push for Life x 5G Project Leader

This was followed by five speakers on the latest status of millimeter wave.

Mr. Kagaya, AGCMr. Kagaya, AGC
Mr. Miyata, Sumitomo Electric Industries, Ltd.Mr. Miyata, Sumitomo Electric Industries, Ltd.
Mr. Inoue, KDDIMr. Inoue, KDDI
Kyocera Corporation Mr. HanawaKyocera Corporation Mr. Hanawa
Mr. Kihara, NTT DocomoMr. Kihara, NTT Docomo

Day 2 (Day 2) Thursday, October 16, 2025 "5G Advancement, 6G Latest Status and Outlook"

(4) 10:00-12:35 Session 4: Lecture + Panel discussion "Beyond 5G(6G) Global trend
Mr. Hideo Fuseida, Director General of the International Strategy Bureau of the Ministry of Internal Affairs and Communications, opened the session with a lecture on the latest developments in Beyond 5G.

Director-General Fuseida, Ministry of Internal Affairs and CommunicationsDirector-General Fuseida, Ministry of Internal Affairs and Communications

Next, five speakers gave presentations on the status of 6G initiatives by overseas MoU signatory organizations.

Mr. Rajesh Kumar Pathak, Bharat 6G AllianceMr. Rajesh Kumar Pathak, Bharat 6G Alliance
Mr. Hyeon Woo, DanKook University, Korea LEEMr. Hyeon Woo, DanKook University, Korea LEE
Mr. Jaydee Griffith, ATISMr. Jaydee Griffith, ATIS
Mr. Colin Willcock, 6G-IAMr. Colin Willcock, 6G-IA
Mr. Tony Quek, SUTDMr. Tony Quek, SUTD

Following this, a panel discussion was held with Takehiro Nakamura as moderator and Akihiro Nakao as panelist, along with speakers from MoU-concluded organizations, on the trends and forecasts in each country and region, and the role and expectations of Japan as international R&D and standardization of Beyond 5G (6G) moves toward full-scale implementation.

Panel DiscussionPanel Discussion

Finally, Mr. Akihiro Nakao, co-chairman of XGMF, gave closing remarks for Session 4.

Nakao XGMF Co-ChairNakao XGMF Co-Chair

(5) 13:30-15:15 Session 5: Lecture + Panel Discussion "6G and AI
In this session, six speakers discussed the latest trends in the use of AI in the design and optimization of 6G, autonomous control of networks, and the advancement of services.

Mr. Wakikawa, SoftbankMr. Wakikawa, Softbank
Mr. Isobe, NTT DoCoMo, Inc.Mr. Isobe, NTT DoCoMo, Inc.
Mr. Kutsu, Rakuten Mobile, Inc.Mr. Kutsu, Rakuten Mobile, Inc.
Mr. Yamamoto, KDDI Research InstituteMr. Yamamoto, KDDI Research Institute
NVIDIA Mr. NodaNVIDIA Mr. Noda
Dr. Nakao, University of TokyoDr. Nakao, University of Tokyo

After his speech, Akihiro Nakao moderated a panel discussion among the five speakers on "Business Potential of [Telecommunications x AI]," covering technology, business, practical application technology, strategy and collaboration between domestic carriers and AI semiconductor vendors.

Panel Discussion

Panel Discussion
Panel Discussion

Panel Discussion

(6) 15:30-17:00 Session 6: Lecture + Panel Discussion "6G Strategy
At the beginning of the session, Mr. Nakamura of NTT DOCOMO, the moderator, introduced that this session would include presentations and discussions on various trends, initiatives, and strategies related to 6G standardization and development.

Mr. Nakamura, NTT DocomoMr. Nakamura, NTT Docomo

Next, eight people gave an overview of 6G-related initiatives at XGMF.

Mr. Honda, Ericsson JapanMr. Honda, Ericsson Japan
Mr. Kashima, Ericsson JapanMr. Kashima, Ericsson Japan
Mr. Yamamoto, KDDI Research InstituteMr. Yamamoto, KDDI Research Institute
Mr. Otsuki, Keio UniversityMr. Otsuki, Keio University
Mr. Tsuda, SoftbankMr. Tsuda, Softbank
Mr. Isobe, NTT DoCoMo, Inc.Mr. Isobe, NTT DoCoMo, Inc.
Mr. Toshihiro Hosako, NICTMr. Toshihiro Hosako, NICT
Mr. Ido, NICTMr. Ido, NICT

Next, Mr. Kazuo Hagimoto and Ms. Eri Otsuka of the National Institute of Information and Communications Technology (NICT) gave a presentation on the progress of the Beyond5G Fund of the Ministry of Internal Affairs and Communications.

Mr. Hagimoto, NICTMr. Hagimoto, NICT
Mr. Otsuka, NICTMr. Otsuka, NICT

After the speeches, moderator Takehiro Nakamura led a panel discussion on the 6G strategy with six speakers from industry, academia, and government, including Mr. Tokuda from the National Institute of Information and Communications Technology (NICT) and Mr. Matsui from the Ministry of Internal Affairs and Communications.

Panel Discussion

Panel Discussion
Panel Discussion

Panel Discussion

In closing, Mr. Seiji Nishioka, Secretary General of XGMF, expressed his gratitude to all parties involved and his hope that this event would provide the XGMF with many insights for the future development of 5G and 6G technologies, and his request for continued support and cooperation for future international collaboration. The closing remarks were made by Mr. Kurokawa, who expressed his hope for continued support and cooperation for international collaboration.

Mr. Nishioka, XGMFMr. Nishioka, XGMF

EN