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Vehicle-Mounted Transportable Mobile Base Station and Backhaul ISSN 0915-3160 平成二十六年七月十日発行（年四回一、 四、 七、 十月の十日発行）通巻百三号 No. Vol. 26 July 2014 3Summer New Breeze Special Feature Vehicle-mounted Transportable Mobile Base Station and Backhaul Link for Disaster Relief Operation A Wireless Relay System Based on Small Unmanned Aircraft for Disaster Situations —Providing connections from the sky to isolated regions— Compact and lightweight Small Satellite Earth Stations with Automatic Capture and Tracking Oceangraphic Radar Tsunami Measurement System New Breeze Vol. 26 No. 3 Summer July 2014 CONTENTS New Breeze ISSN 0915-3160 Quarterly of the ITU Association of Japan 1 Toward Connectivity for All BN Gyoem Bldg., 1-17-11 Shinjuku, Shinjuku-ku, Candidate for the Post of Deputy Secretary General of Tokyo 160-0022 Japan the Asia-Pacific Telecommunity (APT) Tel: +81-3-5357-7610 Fax: +81-3-3356-8170 http://www.ituaj.jp/english/ Special Feature 2 Vehicle-mounted Transportable Mobile Base Station and Backhaul Link for Disaster Relief Operation 4 A Wireless Relay System Based on Small Unmanned Aircraft for Disaster Situations Editorial Committee —Providing connections from the sky to isolated regions— Chairman: Yoshiaki Tanaka 6 Compact and lightweight Small Satellite Earth Stations with Members: Ministry of Internal Affairs and Automatic Capture and Tracking Communications, Association of Radio Industries 8 Oceangraphic Radar Tsunami Measurement System and Businesses, Communication Line Products Association of Japan, FUJITSU LIMITED, Hitachi, Ltd., JAPAN BROADCASTING Sector Member CORPORATION, KDDI CORPORATION, MITSUBISHI ELECTRIC CORPORATION, 10 Sharp Corporation National Institute of Information and Communications Technology, NEC Corporation, NIPPON TELEGRAPH AND TELEPHONE Report CORPORATION, OKI Electric Industry Co., 11 46th Celebration for World Telecommunication and Information Ltd., Panasonic Mobile Communications Co., Ltd., Society Day SOFTBANK MOBILE Corp., Sony Corporation, The Japan Commercial Broadcasters Association, The Telecommunication Technology Committee, Technology Trends and Toshiba Corporation 12 Green Energy: The Megasolar System at NHK’s Shobu-Kuki Radio Broadcasting Station Publisher: Michiaki Ogasawara 16 Launch of a Raincloud Scanning Radar Satellite Editors: Yuzo Mori —The Global Precipitation Measurement (GPM) mission gets Atsuko Ishii under way— Yasuyuki Matsuyama Digital Opportunities Letters to New Breeze 18 FY2013 JICA Group Training Course New Breeze welcomes readers’ opinions. Please send —Using international standards to improve ICT policy comments with your name, address, and nationality planning skills— by e-mail, fax, or post to the editor. E-mail address: [email protected] Report 20 Recent Activities of NICT’s Resilient ICT Research Center Subscription forms are available on the ITU-AJ website: http://www.ituaj.jp/english/subscription_form.pdf Subscription Fee: Single issue: ¥1,500 Annual subscription (4 issues): ¥6,000 About the ITU-AJ The ITU Association of Japan (ITU-AJ) was founded on September 1, 1971, to coordinate Japanese activities in the telecommunication and broadcasting sectors with international activities. Today, the principle activities of the ITU-AJ are to Disclaimer: Opinions expressed in this cooperate in various activities of international organizations such as the ITU and to publication are those of the authors and do not disseminate information about them. The Association also aims to help developing necessarily represent those of the ITU countries by supporting technical assistance, as well as by taking part in general Association of Japan. international cooperation, mainly through the Asia-Pacific Telecommunity (APT), so as to contribute to the advance of the telecommunications and broadcasting Copyright: © 2014 The ITU Association of Japan throughout the world. Toward Connectivity for All Candidate for the Post of Deputy Secretary General of the Asia-Pacific Telecommunity (APT) Mr. Kondo, with his wide-ranging experience, in- depth knowledge, and excellent coordination capability in the international field, has the ability to steer the APT Secretariat in the most advantageous direction and achieve the developmental tasks that lie ahead. He would like to focus on 5 agenda for the future of the APT as follows: 1. Refocusing the APT as a regional ICT focal point 2. Responding to the needs of member countries especially LDCs and Small Island States 3. Strengthening the APT’s function in Collaboration with ITU and other ICT Related Organizations 4. Facilitating Private Sector involvement in APT activities 5. Reinforcing an Efficient and Effective APT Mr. Masanori KONDO Mr. Kondo serving as the Deputy Secretary INTERNATIONAL EXPERIENCE General of APT will contribute to more enhanced ICT 2013 Chairman of the working group3 of APT preparatory development of the Asia-Pacific Region. meeting for ITU PP-14 2010 Chairman of the working group of APT preparatory meeting for WTDC-10 2010 Deputy Head of Japanese delegation to the ITU Plenipotentiary Conference 2010 (PP-10) at Guadalajara, Mexico 2002 Member of Japanese delegation to the ITU Plenipotentiary Conference 2002 (PP-02) PROFESSIONAL CAREER in Marrakech, Morocco 2013 Senior Director for International Cooperation Affairs EDUCATION 2011 Director, International Economic Affairs Division Keio University (BS in Economics) 2010 Senior Advisor, International Policy Division The London School of Economics and Political Science (MSc in 2008 Director, International Affairs Office, Postal Policy Division Economics) 2005 Director of the Research Department, Institute for Information and Communications Policy ACADEMIC CAREER 2001 Deputy Director, International Organizations Office, 2013- Lecturer, Keio University, Japan International Policy Division (MIC) 2006-2007 Visiting Scholar, Rikkyo University, Japan 1996 First Secretary, Embassy of Japan in Hashemite Kingdom 2006-2007 Visiting Scholar, Ohbirin University, Japan of Jordan 2005 Lecturer, Waseda University, Japan 1990 Joined the Ministry of Posts and Telecommunications 2004-2005 Associate, Harvard University (Weatherhead Center), (currently, MIC) U.S.A New Breeze Summer 2014 1 Vehicle-mounted Transportable Mobile Base Station and Backhaul Link for Disaster Relief Operation AssistantYumi Manager Ueda Wireless Standardization Department NTT DOCOMO, INC. 1. Introduction combination with transportable fixed wireless equipment for the Natural disasters like earthquakes and tsunamis have seriously backhaul link. affected people’s lives in many parts of the world, and ITU is now 2. Disaster countermeasures for NTT involved in many activities and studies relating to disaster mitigation DOCOMO’s network and relief operations, such as the ITU workshop on “Disaster relief systems, network resilience and recovery”. In the field of To ensure the availability of telecommunication services radiocommunication, ITU-R (the ITU Radiocommunication in the event of a disaster, we aim to build a disaster resilient Sector) recently enhanced its relevant Recommendation1 taking telecommunication network by improving the reliability of our into account the scope of two Resolutions 2, 3 so as to include a new infrastructure systems (with particular regard to emergency application of disaster relief operations, which has been used in communications) so that our telecommunication services can be NTT DOCOMO’s network. recovered quickly. Japan is known to be prone to large earthquakes such as the To achieve better reliability, we have installed backup Great East Japan Earthquake of March 11, 2011, which also equipment and links, and we have reinforced our facilities, caused a huge tsunami. This devastating natural disaster destroyed buildings and towers to make them more earthquake resistant. For or damaged much of the telecommunication infrastructure in the emergency communications, we have adopted a call priority service affected area, rendering it unusable. that can be used in disaster situations to safeguard communications For the quick and efficient recovery of cellular phone services to and from regional municipal offices, and network control in disaster-hit areas, DOCOMO has developed and introduced a procedures that enable networks to cope effectively with emergency number of vehicle-mounted mobile base stations, which operate in traffic. ■ Figure 1: Conceptual diagram of the vehicle-mounted disaster relief operation system 2 New Breeze Summer 2014 ■ Photo 1: DOCOMO’s vehicle-mounted transportable system ■ Table 1: Main specifications of transportable FWS for disaster relief operation Frequency Transmission Capacity Interface Antenna type band distance * Upper 4 GHz band 7-35 Mbit/s 100BASE-TX 36 cm flat panel around 10 km (4.92-5.0 GHz) ** 18 GHz band 0.4-1.2 m (17.85-17.97 / 155.52 Mbit/s STM-1 around 3.5 km diameter dish 18.6 18.72 GHz) : The RF channel is selected within the assigned frequency band. * : Connected to the MPX (multiplexer) via Ether/ATM converter. ** ■ Table 2: Example parameters of transportable mobile base station Bandwidth Frequency band Antenna type (Carrier number) Corner reflector 800 MHz (830-845/875-890 MHz) 15 MHz (3 carriers) * (40 cm × 37 cm) Corner reflector 2 GHz (1 940-1 960/2 130-2 150 MHz) 20 MHz (4 carriers) (23 cm × 42 cm) * ** : 5 MHz bandwidth per carrier. * : Maximum aperture. ** For the quick recovery of telecommunication services, we to install on vehicles. The main specifications of these systems are have prepared both hardware and software measures for disaster shown in Table 1. recovery. The former consists of vehicle-mounted transportable
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