January 2015

The 17th APT Wireless Group Meeting
The 17th APT Wireless Group Meeting (AWG-17) was held from 23 to 26 September 2014
in Macau, China. About 210 participants from 22 countries attended the meeting.
Participants from Japan counted 44 including 4 from ARIB. Objective of the meeting was
to study and exchange information for the advancement of a wireless system and topromote it in the Asia-Pacific region.

1 Results of the Meeting
AWG consists of three working groups (WG) to study frequency, technology and service
applications under the Plenary. Dr. Kohei Satoh (Managing Director of ARIB), Vice-Chairof AWG, chaired the meeting.
Results include the follows.
・The survey report about the fixed wireless system was created and approved. Draftingof the new Report on the fixed wireless technology in APT region was also started.
・The survey report about WRC-15 agenda 1.1 (identification of additional frequency
bands for IMT) was created and approved.
・Regarding Short Range Device (SRD), based on the proposal from Japan, a study on
short-range wireless communication system using 275GHz and higher was decided tostart.
・A report on the service scenario and the use case of the wireless power transmission
technology was decided to create.
・Regarding ITS, drafting of the report on the road sensor networks was in progress.
・It was agreed to hold the 5G workshop at the next meeting by inviting organizations
that conduct the study on the fifth-generation mobile communications.
12 Election of the Chairman and Vice-Chairman of the next term
Dr. Kohei Satoh, Managing Director of ARIB was elected as AWG chairman and Ms. Zhu
Keer from China and Mr. Le Van Tuan from Vietnam were elected as AWG vice-chair.

3 Next Meeting
The 18th AWG meeting will be held in March 2015 in Kyoto, Japan.

The Fifth Generation Mobile Communications Promotion Forum (5GMF)
The foundation assembly of "The Fifth Generation Mobile Communications Promotion
Forum" (5GMF) to aim to realize the fifth generation mobile communication system after2020 was held in Tokyo on Tuesday 30 September 2014. After the assembly, thefoundation commemorative ceremony followed.
125 participants from 42 companies ( telecommunications operators and communications
equipment manufacturers ), research institutions including universities, and the Ministryof Internal Affairs and Communications were attended to the foundation assembly.
Dr. Susumu Yoshida, emeritus professor of Kyoto University was elected as chairman and
Dr. Masao Sakauchi, President of National Institute of Information and Communications
Technology (NICT) and Dr. Hiromichi Shinohara, Senior Vice President of Nippon
Telegraph and Telephone Corporation (NTT) were elected as vice-chairman.
It was approved to establish planning committee, technical committee, applicationcommittee and network committee under this forum.
The foundation commemorative ceremony with the participation of about 160 people washeld following the organization meeting.
Mr. Nishime, Senior Vice-Minister for Internal Affairs and Communications gave acongratulatory address to participants.

Dr. Susumu Yoshida

Dr. Masao Sakauchi

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Dr. Hiromichi Shinohara

Foundation assembly of 5GMF

Mr. Nishime, Senior Vice-Minister for Internal Affairs and Communications

Foundation commemorative ceremony of 5GMF
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International Workshop on 5G Mobile Communications Systems 2014

International Workshop on 5G Mobile Communications Systems 2014

On Wednesday 8 October 2014, "the International Workshop on 5G Mobile
Communications Systems 2014" organized by Ministry of Internal Affairs andCommunications and sponsored by ITU was held at CEATEC JAPAN 2014 at Makuhari
Messe with about 600 audiences.
In this workshop, speakers from Japan, Europe, China, and South Korea, have presented
concept and outlook of services, and technology of the fifth-generation mobile
communication.
The following presentations were made.
(1) "Activities of 5GPPP"
Dr. Werner Mohr (Nokia), Chair of the Board of the 5G Infrastructure Association,
5G Public-Private Partnership (5GPPP), EU(2) " IMT-2020 (5G) Promotion Association Activities"
Ms. Zhiqin Wang (CATR), Vice Chairman of IMT-2020 (5G) Promotion Association,
China(3) "Service requirements and enabling technologies for 5G"
Prof. Youngnam Han (KAIST), Chairman of Steering Committee, 5G Forum, Korea
4(4) "Activities of ARIB 2020 and Beyond Ad Hoc"
Mr. Takehiro Nakamura (NTT DOCOMO), Leader of ARIB 2020 and Beyond AdHoc,
Japan
After that, a panel discussion was held by speakers who exchanged views on thedevelopment of future trends and standardization of the fifth-generation mobile
communication.

Mr. Gaku Hasegawa

Mr. Colin Langtry

Dr. Susumu Yoshida

Parliamentary Vice-Minister
for Internal Affairs andCommunications

Chief, Study Group Department,
Radiocommunication Bureau,
International Telecommunication
Union

Chairman of 5G
Workshop-2014 Organizing
Committee(Professor Emeritus, Kyoto
University)

Dr. Hakan Ohlsen

Dr. Werner Mohr

Ms. Zhiqin Wang

Vice Chairman, ITU-R
Working Party 5D(Ericsson)

Chair of the Board of The
5G Infrastructure
Association, 5G
Public-Private Partnership(5G PPP)

Vice Chairman, IMT-2020(5G) Promotion
Association, China

Prof. Youngnam Han

Mr. Takehiro Nakamura

Mr. Waichi Sekiguchi

Chairman of Steering
Committee, 5G Forum, Korea

Leader, ARIB 2020 and
Beyond AdHoc

Moderator of Panel Discussion
Editorial Writer (Nikkei Inc.)

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Participation in the CEATEC JAPAN 2014

CEATEC JAPAN 2014 ARIB booth
From October 7 through 11, CEATEC JAPAN 2014 was held at Makuhari Messe in Japan,
where ARIB participated to exhibit promotional state-of-the-art ICT/electronics
comprehensive activities.
ARIB exhibited the following in the booth and welcomed 950 visitors.
Introduction of outline of ARIB, research and development activities, and international
cooperation activity.
Introduction of technologies and systems which won the 25th Radio Achievement
Award.
ARIB also held a seminar to give a lecture on "Standardization trend of a new technology
in the communication and the broadcasting field" by Mr. Amemiya, a director of Planningand International Affairs Department of ARIB.

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Seminar on ISDB-T international activity
Seminar on ISDB-T international activity was held on 26 October at ARIB meeting roomwith 50 participants.
Title: The current status and future prospects of digital TV in Peru and Costa Rica
Speaker: Mr. K. Hirose of NHK (Japan Broadcasting Corporation), who had worked for
Peru as JICA(Japan International Cooperation Agency) Engineering Support
AdviserMr. Y. Yoshimi of NHK, who had worked for Costa Rica as JICA Engineering
Support Adviser
Summary:The seminar covers supporting activity including implementation of ISDB-T
nationwide, engineering guidance, human resources development in Peru andCosta Rica, and development of ISDB-T International Harmonization
Document EWBS (Emergency Warning Broadcast System).

DiBEG* Seminar*Digital Broadcasting Experts Group

Participation in the InterBEE2014
From November 19 through 21 2014, 50th InterBEE (International Broadcast Equipment
and Exhibition) 2014 was held at Makuhari Messe in Japan, where ARIB participated in
the exhibition to promote ISDB-T worldwide.
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At the ARIB booth we introduced the recent standardization activities in the field of
broadcasting, together with the international promotion of the ISDB-T, by using somepanels and pamphlets.
Many visitors to the ARIB booth showed strong interests in the on-going standardization
activities on UHDTV.

Pamphlet

ARIB/DiBEG booth

APT Training Course 2014 in ARIB
"Actions for Next Generation Mobile Communication Systems in Japan"
From November 26 through December 4, APT (Asia-Pacific Telecommunity) training"Actions for Next Generation Mobile Communication Systems in Japan" (co-organized by
Ministry of Internal Affairs and Communications (MIC) and YRP R & D Promotion
Association, sponsored by ARIB ) was held with nine trainees from the government of the
Asia-Pacific region of nine countries (Bangladesh, Bhutan, China, Mongolia, Myanmar,
Palau, Sri Lanka, Thailand, Vietnam).
In this training program, lectures from ARIB and country reports presentation from eachof the trainees were conducted on November 27.

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Lectures from ARIB included the following.
(1) "ARIB and Standard"
Mr. Tadaaki Yokoo, Executive Director of ARIB
(2) "Update on 5G Research in Japan"
Mr. Akira Matsunaga, Senior Director, R&D Strategy Division, Technology Sector,
KDDI Corporation(3) "Recent Activities of IMT-Advanced Standardization"
Dr. Kohei Satoh, Managing Director of ARIB
In the afternoon, the country report presentation by nine trainees was held, theirorganizational structure, current status of frequency assignment, mobile communications
policy and mobile communication development were introduced.
MIC and 6 ARIB members joined this session to exchange views and information.
The presentation showed that the service of 3G was rapidly widespread in many
countries, and furthermore service of LTE had already been in service in some countries
which indicated remarkable development of Asia Pacific region.
On Friday 28 November and Monday 1 December, 2014, trainees visited to Hitachi
Kokusai Electric, NEC Corporation and JVC Kenwood. They were given lectures anddemonstrations related to mobile communication systems of each company.

Nine trainees from the government of the Asia-Pacific region
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Country report presentation

Monthly seminars on radio wave use

No.125

3 October 2014

Title

Guidance on the use of mobile phones in medical institutions
Prof. Takashi Kano, Faculty of Health & Medical Care, Saitama
Medical University
The seminar covered background of guideline development, purpose,
related research, and the content of the guidelines.
Prof. Kano, lecturer is the chairman of "Working Group concerning
the use of the mobile phone in the medical institution" set up by theElectromagnetic Compatibility Conference Japan to which ARIB
serves as the secretariat.

Speaker

Summary

No.126
Title
Speaker
Summary

31 October 2014
Activities report on the fifth generation mobile communication
system
Sub leader of 2020 and Beyond AdHoc： Mr. Akira Matsunaga,
KDDI, Mr. Takaharu Nakamura, Fujitsu
The seminar covered the introduction of the content of the white
paper created by the 2020 and ad-hoc group, and the outline of therelating wireless access technology.

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AIRPORT DIGITAL MOBILE TELECOMMUNICATION SYSTEMTYPE 2（STD-T114 Ver. 1.0）
This standard specifies an air interface for digital airport wireless communication of
400MHz band by employing TETRA (TErrestrial Trunked RAdio) system to the radio
network access.
English version is not available.

RECEIVER FOR ADVANCED WIDE BAND DIGITALSATELLITE BROADCASTING（STD-B63 Ver. 1.0）
This standard specifies a preferable specification of a receiver for the advanced
wideband(34.5MHz) satellite Ultra-High Definition TV broadcasting.
It defines receiver function, interface between converter and DIRD (Digital Integrated
Receiver Decoder), digital interface (AV interface, IP interface) and the download
function.
English version is not available.

MULTIMEDIA CODING SPECIFICATIONFOR DIGITAL BROADCASTING (SECOND GENERATION)（STD-B62 Ver. 1.0）
This standard specifies second generation multimedia coding scheme including HTML5
for the digital broadcasting.
English version is available.

Study for Telecommunication System
Radio utilization system for robots
Utilization of remote-controlled robots is expected to make business smooth and rapid,
especially in case of disaster. Robots includes disaster response robots, unmanned
11construction machines, unmanned aircraft and radio control equipment.
Needs for wireless communication to control robots remotely and to transmit image are
rapidly glowing.
Technical studies for secure communication systems and frequency sharing that could beapplied to robots operation in various environment have started.

R&D for Telecommunication System
Wireless LAN System
The following new subjects have been studied by simulation methods.
(1) To Analyze the interference between Aps(Access Pints) and STAs(Stations) in thedense environment.
(2) To study the utilization-rate by time and frequency concerning OFDM.
(3) To investigate the interference by adjacent channels in 5GHz band.
Regarding suppression of 2.4GHz band overlap channel utilization, it was concluded touse a separate channel.
And ARIB STD-T66 has been revised to add recommended channel setting in operation.

Study for Broadcasting System
Quality Evaluation Method for Broadcasting(1) Evaluation Sequence
Ultra-high-resolution still images charts, co-produced with the Institute of Image
Information and Television Engineers (ITE), have been published as "Ultra-highdefinition/wide-color-gamut standard test images" from ITE.
These charts includes 2 types of format with the spatial resolution of 8K and 4K definedin ITU-R BT.2020 (Rec.2020) and one type of format with spatial resolution of 2K definedin ITU-R BT.709 (Rec.709).
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(2) Sound Quality Evaluation
For the subjective quality evaluation method, contribution on the adjusted value of the
speaker playback level in Recommendation ITU-R BS.1116 has been drafted.

R&D for Broadcasting System
1 Digital Broadcasting Systems(1) Multiplexing Technology
ARIB STD-B60 specifies the method to enhance and restrict MMT to use in broadcasting.
The work to propose details in this regard to ITU-R and MPEG has been conducted.
(2) Video Coding Technology
HEVC to be used for video encoding has been discussed.
(3) Audio Coding Technology
ARIB STD-B32 (Part 2: Audio Signal and Coding System) has been revised to enhance
MPEG-4 AAC (Advanced Audio Coding) to improve sound quality and enhancements of
dialog (narration, speech) of the V-Low multimedia broadcasting.
In accordance with the latest MPEG standard, a contribution to update the information
about the standard channel placement of Recommendation ITU-R BS.1196-3 "Audio
coding for digital broadcasting" has been drafted.
(4) Data Coding Technology
ARIB STD-B24 (Data Coding and Transmission Specification for Digital Broadcasting)has been revised to add the TTML (Timed Text Markup Language) transmission schemein TS (Transport Stream).
A contribution to add ARIB-TTML, the subtitle method for digital broadcasting in Japan,
to a new draft ITU-R report "closed caption production, transmission and exchange forthe character set of the world" has been drafted.
(5) Data Broadcasting
ARIB STD-B62 (multimedia encoding method <second generation> standard in digital
broadcasting) has been under study to add the provisions of local storage area and data
resources cache control provisions.

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(6) Receiver for Digital Broadcasting
ARIB STD-B53 (Receiver for Terrestrial Mobile Multimedia Broadcasting Based onConnected Segment Transmission) has been revised to add the receiver function ofdisaster prevention and safety information, and higher sound quality for V-Low
multimedia broadcasting.
New standard ARIB STD-B63 (Receiver for Advanced Wide Band Digital Satellite
Broadcasting) has been developed to define receiver function, interface between converter
and DIRD (Digital Integrated Receiver Decoder), digital interface (AV interface, IPinterface) and the download function.
(7) Satellite Digital Broadcasting
ARIB STD-B44 (Transmission System for Advanced Wide Band Digital Satellite
Broadcasting) has been revised to add coding scheme for the transmission of UHDTV
digital satellite broadcasting.
(8) Terrestrial Digital Broadcasting Transmission Coding
ARIB STD-B46 (Transmission System for Terrestrial Mobile Multimedia Broadcasting
based on Connected Segment Transmission) has been revised to add disaster information
to AC (Auxiliary Channel).

2 Program Production Systems(1) Video Program Production Systems
The requirements for opto-electronic conversion have been summarized. Also a conversion
formula from the Recommendation BT.709 to BT.2020 has been discussed.
Video dynamic range, opto-electronic conversion and television system parameters havebeen discussed to prepare for ITU-R SG6 activity.
Requirement of color bar for UHDTV has been discussed to prepare for ITU-R SG6
activity.
(2) Sound Program Production Systems
The work on requirement of multichannel sound system has been conducted to prepare
for ITU-R SG6 activity.
Regarding the agenda of ITU-R SG6 in March/April 2014, the action policy has been
discussed based on "Sound metadata", "Subjective quality evaluation method", and"Multi-channel sound system".
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3 Transmission of Television Program Contribution(1) Terrestrial Radio Transmission of Television Program Contribution
To develop a new standard for next generation digital transmission FPU system in
120GHz band, technical specification, provisions of maker compatibility and operational
conditions have been discussed.

4 Ultra-High-Definition Television Broadcasting Systems(1) Video Program Production Systems for UHDTV
The requirements for opto-electronic conversion have been summarized. Also a conversion
formula from the Recommendation BT.709 to BT.2020 has been discussed.
Video dynamic range, opto-electronic conversion and television system parameters havebeen discussed to prepare for ITU-R SG6 activity.
Requirement of color bar for UHDTV has been discussed to prepare for ITU-R SG6
activity.
(2) Sound Program Production Systems for UHDTV
The work on requirement of multichannel sound system has been conducted to prepare
for ITU-R SG6 activity.
Regarding the agenda of ITU-R SG6 in March/April 2014, the action policy has been
discussed based on "Sound metadata", "Subjective quality evaluation method" and,"Multi-channel sound system".
(3) Interface between Program Production Equipment
Discussion has been made to revise STD-B58 regarding inter-studio and inter-stationtransmission, depending on the standardization work of the SMPTE for ST2036-4.
Multiplexing method of UHDTV-IF to multiplex 120Hz video and 96KHz voice was taken
up to study.

ARIB SEASON
Publishing

1-4-1 Kasumigaseki, Chiyoda-ku, Tokyo 100-0013 JAPANhttp://www.arib.or.jp
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