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Journal articles on the topic 'Satellite telecommunication'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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1

Đukanović, Slaviša, Vladimir Mladenović, Milan Gligorijević, Danijela Milošević, and Ivona Radojević-Aleksić. "Spatial characterization of telecommunication satellites visible above the Republic of Serbia." Bulletin of Natural Sciences Research 10, no. 2 (2020): 51–58. http://dx.doi.org/10.5937/bnsr10-27731.

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This paper deals with the general technical, spatial, and temporal characteristics of satellite telecommunications systems. Particular attention was paid to the peculiarities of the territory of the Republic of Serbia in terms of implementation and use of modern satellite telecommunication infrastructure. The overview shows how and on which way to use various satellite telecommunication systems to configure and exploit next-generation networks, especially modern communications such as 5G technology and IoT. Their work cannot be imagined without the high speeds and high frequencies that allow u

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Bushuev, F. I., N. A. Kalyuzhny, A. P. Slivinsky, and Alexander V. Shulga. "RANGING GEOSTATIONARY TELECOMMUNICATION SATELLITES WITH SATELLITE TV SIGNALS." Telecommunications and Radio Engineering 73, no. 3 (2014): 257–69. http://dx.doi.org/10.1615/telecomradeng.v73.i3.50.

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Smith, Milton L. "The Space Warc Concludes." American Journal of International Law 83, no. 3 (1989): 596–99. http://dx.doi.org/10.2307/2203325.

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The second session of the International Telecommunication Union’s World Administrative Radio Conference (WARC) on the planning of the geostationary satellite orbit (GSO) for space telecommunications was held in Geneva from August 29 to October 6, 1988. This conference, known as the “Space WARC,” completed a long process of international negotiations. It established a new regulatory regime for satellite telecommunications, the primary commercial use of outer space, that should be effective for at least 20 years.

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Ильченко, Михаил Ефимович, Теодор Николаевич Нарытник, Владимир Ильич Присяжный, Сергей Владимирович Капштык та Сергей Анатольевич Матвиенко. "ИССЛЕДОВАНИЕ ПОДХОДОВ К ПОСТРОЕНИЮ ОРБИТАЛЬНОЙ ВЫЧИСЛИТЕЛЬНОЙ СЕТИ СПУТНИКОВОЙ СИСТЕМЫ ИНТЕРНЕТА ВЕЩЕЙ". Aerospace technic and technology, № 8 (31 серпня 2019): 138–51. http://dx.doi.org/10.32620/aktt.2019.8.21.

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There are considered issues of building a Low-Earth-Orbit Satellite System designed to provide the Internet of Things services and adapted to the features of the services and systems of the Internet of Things. The considered system provides the creation of the necessary telecommunication infrastructure based on the Low-Earth-Orbit Broadband Access Satellite System and places Computational Facilities into the Low-Earth-Orbit for to ensure the processing of Internet of Things devices and systems information, and perform computations. The architecture of a “Distributed Satellite” was chosen to co

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Reiche, Enrico, and Michael Schneider. "Challenges in the EM-based design of modern telecommunication satellite antennas." COMPEL - The international journal for computation and mathematics in electrical and electronic engineering 37, no. 4 (2018): 1461–80. http://dx.doi.org/10.1108/compel-09-2017-0378.

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Purpose This paper aims to introduce design challenges of modern telecommunication satellite antennas. The antenna farms accommodated on a satellite are systems of high complexity. From the radio frequency (RF) point of view, the most important design issues, e.g. high power applications in space (vacuum) or typical antenna scenarios (single/multi beam antennas), and their solution are considered. Design/methodology/approach The paper presents the application of electro-magnetic (EM) field simulation in the design and optimisation process. The design of a telecommunications satellite antenna s

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Borza, T., and I. Fejes. "GPS Satellite Interference in Hungary." Symposium - International Astronomical Union 196 (2001): 319–23. http://dx.doi.org/10.1017/s0074180900164307.

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Civil users of the NAVSTAR Global Positioning System (GPS) in Hungary occasionally experience interference at the 1575.42-MHz GPS signal frequency. As the application of the GPS technique spreads rapidly in our country, radio frequency interference (RFI) should be considered a serious threat. The new geodetic control network (OG-PSH) in Hungary is based on GPS measurements and incorporates more than 1100 sites. The paper reports the experiences gained during the establishment of the network. Interference sources were tracked to ground-based digital data transmissions for telecommunications, wh

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Miyashita, Toyohisa, Masaomi Takizawa, Keiji Nakai, et al. "Realtime ultrasound screening by satellite telecommunication." Journal of Telemedicine and Telecare 9, no. 1_suppl (2003): 60–61. http://dx.doi.org/10.1258/135763303322196376.

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summary Realtime ultrasound screening was carried out using a medical examination vehicle equipped with a diagnostic ultrasound scanner and a satellite telecommunication system. Screening was performed on 205 residents in a rural community in Japan and consisted of 57 cardiac, 57 abdominal, 60 thyroid and 31 breast ultrasound scans. The resolution of the realtime ultrasound images sent via communications satellite at 1.5 Mbit/s was almost identical to that of the original images taken by the ultrasound scanner. A disorder was diagnosed in 11 (19%) of the cardiac examinations, 28 (49%) of the a

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8

Palca, Joseph. "Lack of telecommunication among satellite companies." Nature 331, no. 6154 (1988): 294. http://dx.doi.org/10.1038/331294b0.

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Nakajima, Isao, Toshihiko Kitano, Masaaki Katayama, and Leonid Androuchko. "Expected Communications Technology to Track Avian Influenza and Related the Statement of Appeal by ITU-D SG2 Q14." International Journal of E-Health and Medical Communications 2, no. 4 (2011): 20–36. http://dx.doi.org/10.4018/jehmc.2011100102.

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This paper points out some problems of telemetry for wild birds and future technical expectations to prevent Avian Influenza. For medium to large migratory birds, the data collection system aboard the NOAA meteorological satellites (the ARGOS system) has been able to map their migratory routes. However, recommended C/No for Doppler shift will be 54dBHz, while calculated required C/No for 400 bps data uplink is 36dBHz. The gap between navigation function and data communication will be almost 18 dB. The bird has to pay this overload. The authors provide a summary of the Statement that was adopte

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Lee, Sanghyun, Yunhe Wu, and Daniele Mortari. "Satellite constellation design for telecommunication in Antarctica." International Journal of Satellite Communications and Networking 34, no. 6 (2015): 725–37. http://dx.doi.org/10.1002/sat.1128.

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11

Beaudry, Catherine. "The measurement of commercial telecommunication satellite prices." Advances in Space Research 18, no. 11 (1996): 210. http://dx.doi.org/10.1016/0273-1177(96)89721-3.

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Nagata, Yasunori, Kazuhiko Yamada, Kojiro Suzuki, and Osamu Imamura. "Flight Demonstration of Telecommunication System for Satellite using Iridium Satellite Communication." JOURNAL OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES 67, no. 1 (2019): 1–8. http://dx.doi.org/10.2322/jjsass.67.1.

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13

Ильченко, Михаил Ефимович, Теодор Николаевич Нарытник, Борис Михайлович Рассамакин, Владимир Ильич Присяжный та Сергей Владимирович Капштык. "СОЗДАНИЕ АРХИТЕКТУРЫ «РАСПРЕДЕЛЕННОГО СПУТНИКА» ДЛЯ НИЗКООРБИТАЛЬНЫХ ИНФОРМАЦИОННО-ТЕЛЕКОММУНИКАЦИОННЫХ СИСТЕМ НА ОСНОВЕ ГРУППИРОВКИ МИКРО- И НАНОСПУТНИКОВ". Aerospace technic and technology, № 2 (26 квітня 2018): 33–43. http://dx.doi.org/10.32620/aktt.2018.2.05.

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Presented are the results of an analysis of the growing interest in the use of low Earth orbits (up to 1500 km high) for the introduction and development of the Internet of things (Internet of Things - IoT). Industrial Internet of things (Industrial Internet of Things-IIoT). Internet of things for remote areas (Remote Internet of Things - RioT, for the purposes of scientific research and economic use of natural resources, control of the development and operation of infrastructure projects, the operation of territorially distributed industrial production, transport infrastructure. Factors signi

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Vahid oğlu Nasiyev, Müslim. "Research and application of satellite communication networks as an alternative to modern communication systems." SCIENTIFIC WORK 68, no. 07 (2021): 78–83. http://dx.doi.org/10.36719/2663-4619/68/78-83.

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Research work has been devoted to show how satellite technology can meet a variety of human needs and the ultimate measure of its effectiveness. Communication satellites, whether in geostationary Earth orbit (GEO) or non GEO, provide an effective platform to relay radio signals between points on the ground. The users who employ these signals enjoy a broad spectrum of telecommunication services on the ground, at sea, and in the air. In recent years, such systems have become practical to the point where a typical household can have its own satellite dish. That dish can receive a broad range of t

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Zhamnov, V. V., and A. M. Dubrovskii. "Using satellite telecommunication for resolve regional social problems." Otkrytoe i distantsionnoe obrazovanie, no. 2(70) (June 1, 2018): 45–48. http://dx.doi.org/10.17223/16095944/70/6.

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16

Santoyo, Renata Figueiredo, and Camila Dario Correia Lima. "O processo de coordenação e o direito de exploração de satélite." Law, State and Telecommunications Review 3, no. 1 (2011): 295–310. http://dx.doi.org/10.26512/lstr.v3i1.21673.

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17

Parks, Lisa. "Signals and oil." European Journal of Cultural Studies 12, no. 2 (2009): 137–56. http://dx.doi.org/10.1177/1367549409102421.

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This article examines the strategies of two satellite operators working across post-communist territories of Central Asia: Eutelsat and Kazsat. To do so it develops a critical approach called footprint analysis, which involves investigating the variety of practices that occur within range of a given satellite's service. Satellites have been used in post-communist territories to circulate broadcast and telecommunication signals, facilitate flows of capital and reshape geographic imaginaries. In addition, satellites have become orbital platforms for the Caspian's booming oil industry. Satellites

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18

Babuscia, Alessandra. "Telecommunication Systems for Small Satellites Operating at High Frequencies: A Review." Information 11, no. 5 (2020): 258. http://dx.doi.org/10.3390/info11050258.

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Small Satellites and in particular CubeSats are becoming extremely popular platforms with which to perform space research. They allow for rapid prototyping with considerable cost savings with respect to traditional missions. However, as small satellite missions become more ambitious in terms of destinations to reach (from Low Earth Orbit to interplanetary) and in terms of the amount of data to transmit, new technologies need to be developed to provide adequate telecommunication support. This paper aims to review the telecommunication systems that have been developed at the Jet Propulsion Labor

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19

Kudo, Daisuke, Hajime Furukawa, Atsuhiro Nakagawa, et al. "Reliability of Telecommunications Systems Following a Major Disaster: Survey of Secondary and Tertiary Emergency Institutions in Miyagi Prefecture During the Acute Phase of the 2011 Great East Japan Earthquake." Prehospital and Disaster Medicine 29, no. 2 (2014): 204–8. http://dx.doi.org/10.1017/s1049023x14000119.

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AbstractIntroductionTelecommunication systems are important for sharing information among health institutions to successfully provide medical response following disasters.Hypothesis/ProblemThe aim of this study was to clarify the problems associated with telecommunication systems in the acute phase of the Great East Japan Earthquake (March 11, 2011).MethodsAll 72 of the secondary and tertiary emergency hospitals in Miyagi Prefecture were surveyed to evaluate the telecommunication systems in use during the 2011 Great Japan Earthquake, including satellite mobile phones, multi-channel access (MCA

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20

Bushuev, F., M. Kaliuzhnyi, Y. Sybiryakova, et al. "Results of the Ongoing Monitoring of the Position of a Geostationary Telecommunication Satellite by the Method of Spatially Separated Basis Receiving of Digital Satellite Television Signals." Latvian Journal of Physics and Technical Sciences 53, no. 5 (2016): 5–16. http://dx.doi.org/10.1515/lpts-2016-0031.

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Abstract The results of the ongoing monitoring of the position of geostationary telecommunication satellite Eutelsat-13B (13° East) are presented in the article. The results were obtained using a radio engineering complex (RC) of four stations receiving digital satellite television and a data processing centre. The stations are located in Kyiv, Mukachevo, Kharkiv and Mykolaiv. The equipment of each station allows synchronous recording (by the GPS) of fragments of DVB-S signal from the quadrature detector output of the satellite television receiver. Samples of the complex signal are archived an

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Abolhasan, Mehran, and Alyson Wright. "Survey of the potential of emerging wireless technologies to improve telecommunication services in remote Australian settlements." Rangeland Journal 30, no. 1 (2008): 157. http://dx.doi.org/10.1071/rj07035.

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Providing efficient yet cost effective telecommunication systems to Aboriginal people living in remote locations has proven to be a challenging task. This is primarily due to low population density and distance from major service centres. Extending high-capacity telecommunications infrastructure to these people would incur high costs of installation, maintenance and administration without significant financial returns. The cost of services such as cabled phone lines to all houses, satellite and wireless cellular networks are often unaffordable for people in remote settlements, and, as a result

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AA, Periola, and Ohize H. "Enhanced dynamic data storage for enabling low cost space astronomy observations for capital constrained astronomy organizations." Physics & Astronomy International Journal 1, no. 4 (2017): 139–44. http://dx.doi.org/10.15406/paij.2017.01.00025.

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Mechanisms that reduce the capital and operational costs are important for increased participation in astronomy. It is important that capital constrained organizations can engage in astronomy in cost effective manner. Approaches such as telescope conversion and using small satellites reduce the cost of astronomy observations. However, astronomy data observed by converted and small satellite telescopes require storage and processing by high performance computing infrastructure. High performance computing infrastructure acquisition is expensive for capital constrained astronomy organizations. Th

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Piltyay, Stepan I., O. Yu Sushko, A. V. Bulashenko, and I. V. Demchenko. "COMPACT KU-BAND IRIS POLARIZERS FOR SATELLITE TELECOMMUNICATION SYSTEMS." Telecommunications and Radio Engineering 79, no. 19 (2020): 1673–90. http://dx.doi.org/10.1615/telecomradeng.v79.i19.10.

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Schmidt, Marco, Rajesh Shankar Priya, and Klaus Schilling. "THE PICO-SATELLITE UWE-1 AND IP BASED TELECOMMUNICATION EXPERIMENTS." IFAC Proceedings Volumes 40, no. 7 (2007): 721–25. http://dx.doi.org/10.3182/20070625-5-fr-2916.00123.

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Fotos, Jane Chapman, Bonnie Houser Douglas, and Laura Lee Wilson. "Clinical Experiences for BSN Students in a Satellite Telecommunication Project." Journal of Nursing Education 33, no. 4 (1994): 181–83. http://dx.doi.org/10.3928/0148-4834-19940401-18.

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Triharjanto, Robertus Heru, Luqman Faturrohim, Ridanto Eko Poetro, and Hari Muhammad. "DESAIN AWAL SISTEM SATELIT TELEKOMUNIKASI PERTAHANAN INDONESIA (PRELIMINARY DESIGN OF INDONESIAN MILITARY TELECOMUNICATION SATELLITE)." Jurnal Teknologi Dirgantara 14, no. 2 (2017): 113. http://dx.doi.org/10.30536/j.jtd.2016.v14.a2519.

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As the biggest archipelago in the world, Indonesia really needs satellite system to support its defense and security. Based on that, this research aims to produce the preliminary design of telecommunication satellite system needed for defense and security campaign in Indonesia. Per best practice in aerospace engineering, the satellite preliminary design is preceded by a satellite concept design. In the concept design process, the users’ requirements, in this case, the Indonesian military, are studied, and comparative study is done for military telecommunication satellite solution that other co

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Linga, Promota Haule, Hashim Uledi Iddi, and Mussa Kissaka. "Rain attenuation distribution for satellite microwave links application in Tanzania." Indonesian Journal of Electrical Engineering and Computer Science 17, no. 2 (2020): 982. http://dx.doi.org/10.11591/ijeecs.v17.i2.pp982-987.

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<table width="741" border="1" cellspacing="0" cellpadding="0"><tbody><tr><td valign="top" width="484"><p>Rain rate and Rain Attenuation predictions are important in radio system operating at Ku and Ka bands as they affect telecommunication systems performance. To adequately estimate rain-induced attenuation and fading, the International Telecommunication Union (ITU) recommends use of rainfall data collected using 1-minute integration time. For Tanzania, no rainfall data with 1-minute integration time is available either through measurements or conversion from rain

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Bushuev, F., M. Kaliuzhnyi, O. Mazhaev, et al. "EXTERNAL COMPARISON SATELLITE POSITIONS OBTAINED BY THE NETWORK OF PASSIVE CORRELATION RANGING OF GESTATIONARY TELECOMMUNICATION SATELLITES." Odessa Astronomical Publications 31 (October 23, 2018): 171–73. http://dx.doi.org/10.18524/1810-4215.2018.31.145360.

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CHUNG, HYUNSOO, CUK-GYOO ROH, DO-HEUNG JE, et al. "PREFERRED SHARING METHODS BETWEEN THE RADIO ASTRONOMY AND SATELLITE TELECOMMUNICATION SERVICES." Publications of The Korean Astronomical Society 19, no. 1 (2004): 129–33. http://dx.doi.org/10.5303/pkas.2004.19.1.129.

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Fazaelifar, Mohammad, Shahrokh Jam, Raheleh Basiri, and H. Reza Azadi. "Design, Fabrication and Test of Modified Septum Antennas for Satellite Telecommunication." Frequenz 72, no. 7-8 (2018): 301–13. http://dx.doi.org/10.1515/freq-2017-0156.

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Abstract In this paper at first, the ordinary septum polarizer has been designed and used for parabolic reflector feed in Ground station antenna. Next, a novel design of modified septum polarizer with wider beam-width is proposed for satellite antenna. Compactness, low weight, large bandwidth, high TX/RX isolation, low axial ratio as well as low loss are the advantages of the septum polarizer. The designed antenna has high purity circular polarization ( $\left| {AR} \right| \le 1.6dB$ ) and low return loss. The frequency bandwidth of the antenna is about 27 % in the center frequency 11 GHz and

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Zhukov, Igor. "IMPLEMENTATION OF INTEGRAL TELECOMMUNICATION ENVIRONMENT FOR HARMONISED AIR TRAFFIC CONTROL WITH SCALABLE FLIGHT DISPLAY SYSTEMS." Aviation 14, no. 4 (2010): 117–22. http://dx.doi.org/10.3846/aviation.2010.18.

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Creation of digital a telecommunication environment requires the integration of satellite and wideband wireless communication facilities into a single telecommunication system and development of hardware and software for formation and transmission of multimedia traffic in real time for harmonised air traffic control with scalable flight display systems. Given article is devoted to integral telecommunication environment for navigation and communication with fundamentally new flight display systems. Santrauka Skaitmeninei telekomunikacinei aplinkai sukurti reikalingas ne tik palydoviniu ir plači

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von der Ohe, Martin. "Small satellite TT&C allocations below 1 GHz: outcome of ITU WRC-19." CEAS Space Journal 12, no. 4 (2020): 565–71. http://dx.doi.org/10.1007/s12567-020-00310-y.

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Abstract As hundreds of new small satellites are being launched each year, the RF spectrum for satellite communication becomes increasingly occupied. The International Telecommunication Union recognized this problem at World Radiocommunication Conference 2015 (WRC-15) and invited study groups to investigate the utilization of frequency allocations. The studies followed a three-step approach: first, the TT&C spectrum requirements of small satellites, being a new class of satellites, were assessed. Second, the utilization of existing TT&C frequency allocations and their potential to inco

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Narytnik, T. N., V. G. Saiko, V. I. Korsun, N. M. Sivkova, and S. I. Semerey. "MULTIPOSITION TELECOMMUNICATION SYSTEM OF ELECTROMAGNETIC EMISSION INFLUENCE ON SATELLITE BROADBAND LINES OF RADIO COMMUNICATION." Visnyk Universytetu “Ukraina”, no. 1 (28) 2020 (2020): 75–89. http://dx.doi.org/10.36994/2707-4110-2020-1-28-07.

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The structure of construction of a multiposition system (BS) of electromagnetic radiation influence on satellite broadband radio channels, consisting of synchronously operating spatially spaced low-power transceivers N_ts and having a fully connected topology network (similar to B) . As a result, it is possible to concentrate the radiating power in a given direction. By increasing the base of the transmission system, when its dimensions become comparable to the distance to the object under study, the wave front is no longer planar and the radiating power can be concentrated not only in the dir

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Bushuev, F. I., M. P. Kaliuzhnyi, E. S. Sibiriakova, et al. "The radio-engineering complex for determining coordinates of a geostationary telecommunication satellite." Kosmìčna nauka ì tehnologìâ 22, no. 3 (2016): 50–59. http://dx.doi.org/10.15407/knit2016.03.050.

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Schilling, Klaus, and Hendrik Heimer. "Tele-Experiments Using Satellite Telecommunication Links Based on Multimedia Home Platform Standards." IFAC Proceedings Volumes 37, no. 7 (2004): 71–76. http://dx.doi.org/10.1016/s1474-6670(17)32126-2.

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Collins, Valerie A. C., and Peter J. Murphy. "THE HUMAN‐TECHNOLOGICAL INTERFACE: AN ANALYSIS OF A SATELLITE TELECOMMUNICATION LEARNING ENVIRONMENT." Higher Education in Europe 12, no. 3 (1987): 55–61. http://dx.doi.org/10.1080/0379772870120309.

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Olive, Xavier. "FDI(R) for satellites: How to deal with high availability and robustness in the space domain?" International Journal of Applied Mathematics and Computer Science 22, no. 1 (2012): 99–107. http://dx.doi.org/10.2478/v10006-012-0007-8.

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FDI(R) for satellites: How to deal with high availability and robustness in the space domain?The European leader for satellite systems and at the forefront of orbital infrastructures, Thales Alenia Space, is a joint venture between Thales (67%) and Finmeccanica (33%) and forms with Telespazio a Space Alliance. Thales Alenia Space is a worldwide reference in telecoms, radar and optical Earth observation, defence and security, navigation and science. It has 11 industrial sites in 4 European countries (France, Italy, Spain and Belgium) with over 7200 employees worldwide. Satellite evolution and t

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Malinowski, Andrzej, and Ryszard Zieliński. "High Altitude Platform — Future of Infrastructure." International Journal of Electronics and Telecommunications 56, no. 2 (2010): 191–96. http://dx.doi.org/10.2478/v10177-010-0025-0.

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High Altitude Platform — Future of Infrastructure High Altitude Platform (HAP) concept and idea is presented in the article. Characteristics, advantages and disadvantages of HAPs are described. There is also the comparison available between HAPs and existing telecommunication infrastructure (terrestrial and satellite). Selected examples of the possible limitation and technological restrictions of HAP based systems are presented in the article.

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Friday, Mamudu, and Mustapha Ismail. "Communication and Connectivity as Veritable Tools for Information Sharing in Nigeria." International Letters of Social and Humanistic Sciences 19 (December 2013): 40–49. http://dx.doi.org/10.18052/www.scipress.com/ilshs.19.40.

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This paper discusses the contributions of communication technologies to modern civilization and globalization and the role of connectivity as facilitator to efficient global information sharing today. The background study of networks, satellites, statement of the problem and the objectives of the paper were looked into. A brief historical development of Nigeria communications and their beneficial applications today were presented. Presentation was made on why internet communications in Nigeria is dominated by wireless/satellite link. It was adduced that the absence of information technology in

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Hu, Y. F., and R. E. Sheriff. "The potential demand for the satellite component of the Universal Mobile Telecommunication System." Electronics & Communication Engineering Journal 9, no. 2 (1997): 59–67. http://dx.doi.org/10.1049/ecej:19970202.

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Barbi, I., and R. Gules. "Isolated DC-DC converters with high-output voltage for TWTA telecommunication satellite applications." IEEE Transactions on Power Electronics 18, no. 4 (2003): 975–84. http://dx.doi.org/10.1109/tpel.2003.813762.

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Sabaghzadeh, Hossein, and Mazyar Shafaee. "Investigation of modal properties and layout of elastomer diaphragm tanks in telecommunication satellite." Microsystem Technologies 26, no. 6 (2020): 1931–59. http://dx.doi.org/10.1007/s00542-020-04746-4.

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Lin, Leke, Xiangming Chen, Ranran Hu, and Zhenwei Zhao. "The Refraction Correction of Elevation Angle for the Mean Annual Global Reference Atmosphere." International Journal of Antennas and Propagation 2020 (May 7, 2020): 1–7. http://dx.doi.org/10.1155/2020/2438515.

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In some frequency-sharing studies between fixed service and space radiocommunication services, including fixed-satellite, broadcasting-satellite, and space science services, it is necessary to estimate the apparent elevation angle of a space station, taking into account the atmospheric refraction. Recommendations ITU-R (International Telecommunication Union—Radiocommunication) P.834-9 and F.1333-1 detail similar methods regarding calculating the refraction correction for the elevation angle of the mean annual global reference atmosphere. Herein, both methods are approximated using the bending

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Hamrouni, Chafaa, Bilel Neji, and Adel M. Alimi. "Both Side Linked Fuzzy Controlled Antennas Array Systemdevelopment for Small Satellite Application: ERP Sat_1." Advanced Materials Research 875-877 (February 2014): 2092–96. http://dx.doi.org/10.4028/www.scientific.net/amr.875-877.2092.

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Pico Satellite Telecommunication with Ground Station (GS) is Characterized by a Limitedline of Sight that Affects Transmission Delay and Data. in this Paper, a New Fuzzy Logic Control Systemmodel is Proposed to Ensure a Long Lasting Ground Station (G.S) Visibility to Pico Satellite Duringorbiting in Leo. Developed System is Helpful to Control Wave Propagation for Transmission. Presentedmethod Describes a Fuzzy Switching Control System for both Side Microstrip Antennas Array Systemmodel that Guarantee a Maximum Transmission Time and Achieves Small Satellite Communicationcontrol Performance with

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Setiawan, Bambang, and Ronny La Ode Aksah. "Studi Kasus Perebutan Frekuensi 3600-4200MHz Antara Fixed Satellite Service Dan International Mobile Telecommunication Dengan Pendekatan Regulatory Impact Analysis." Jurnal Telekomunikasi dan Komputer 7, no. 3 (2017): 267. http://dx.doi.org/10.22441/incomtech.v7i3.1172.

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Jaringan selular generasi baru 5G diklaim akan mempunyai kecepatan akses 20 kali lebih cepat dari jaringan selular 4G pada saat ini. Untuk mengantisipasi kebutuhan frekuensi, maka pada World Radio Communication 2015 (WRC-2015) komunitas International Mobile Telecommunication Advanced (IMT-Advanced) telah meminta kepada International Telecommunication Union (ITU) untuk menambah alokasi frekuensi 3600-4200MHz untuk IMT. frekuensi ini adalah frekuensi Extended-C-Band dan C-Band yang saat ini digunakan oleh Fixed Satellite Services (FSS) sebagai frekuensi Downlink (Space-to-earth). Sementara itu k

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Idachaba, Francis Enejo, and F. O. Edeko. "Rural Mobile Telephony: A VSAT (Satellite) Based Approach." Advanced Materials Research 367 (October 2011): 215–22. http://dx.doi.org/10.4028/www.scientific.net/amr.367.215.

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This work presents a VSAT based approach for extending mobile communication access to rural communities in developing countries using VSAT and satellite technology. The rural areas are clustered into village community cells with each cluster being served by a non regenerative bidirectional repeater system. The telecommunication technology of choice is the GSM standard. Traffic from the rural areas is collated together at the access point which serves as an interface between the village community cells and the satellite. The access points perform a frequency translation moving the signal from t

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Roman, Luis M., Ante Salcedo, and Miguel Alonso Vilchis. "Multilayer, locality aware, telecommunication network deployment algorithm." Law, State and Telecommunications Review 11, no. 1 (2019): 145–58. http://dx.doi.org/10.26512/lstr.v11i1.24854.

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Purpose – In this paper we propose an iterative approach for the deployment of rural telecommunication networks. Methodology/approach/design – This approach relies heavily on the concept of locality, prioritizing small ‘cells’ with a considerable population density, and exploits the natural nesting of the distribution of rural communities, focusing in communities which are populous enough to justify the investment required to provide them with connectivity, and whose sheer size promotes the formation of ‘satellite’ communities that could be benefited from the initial investment at a marg

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Kim, O.-Jong, Hanjoon Shim, Sunkyoung Yu, et al. "In-Orbit Results and Attitude Analysis of the SNUGLITE Cube-Satellite." Applied Sciences 10, no. 7 (2020): 2507. http://dx.doi.org/10.3390/app10072507.

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SNUGLITE (Seoul National University Global navigation satellite system Laboratory satellITE) is a two-unit cube satellite (CubeSat) with dimensions 10 × 10 × 23 cm that requires an attitude system for missions and ground station telecommunication. A linear-quadratic-Gaussian-based optimal attitude system for the CubeSat platform has been developed using low-cost sensors, with the in-orbit verification of the attitude system being is one of main study objectives. Since launch, the SNUGLITE CubeSat has continuously broadcast in-orbit status information. In this study, a methodology for the analy

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Terasawa, Ikuo. "Challenge Study: A Project-Based Learning on a Wireless Communication System at Technical High School." Higher Education Studies 6, no. 1 (2016): 110. http://dx.doi.org/10.5539/hes.v6n1p110.

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<p>The challenge study is a project based learning curriculum at Technical High School aimed at the construction ofawireless communication system. The first period was engineering issues in the construction of an artificial satellite and the second period was apositional locating system based on the general purpose wire-less device—ZigBee device. The effectiveness of the program was evaluated on the basis of participants’ satisfaction and a metamorphosis in the learning and understanding of wire-less telecommunication technology.</p>

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Jacquemod, G., F. Ben Abdeljelil, L. Carpineto, W. Tatinian, and M. Borgarino. "A 12 GHz 30 mW 130 nm CMOS Rotary Travelling Wave Voltage Controlled Oscillator." Active and Passive Electronic Components 2012 (2012): 1–10. http://dx.doi.org/10.1155/2012/464659.

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This paper reports a 12 GHz rotary travelling wave (RTW) voltage controlled oscillator designed in a 130 nm CMOS technology. The phase noise and power consumption performances were compared with the literature and with telecommunication standards for broadcast satellite applications. The RTW VCO exhibits a −106 dBc/Hz at 1 MHz and a 30 mW power consumption with a sensibility of 400 MHz/V. Finally, requirements are given for a PLL implementation of the RTW VCO and simulated results are presented.

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