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Journal articles on the topic 'Terrestrial (DVB-T)'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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1

Pallis, E., D. Negru, and A. Bourdena. "Hybrid Terrestrial-Satellite DVB/IP Infrastructure in Overlay Constellations for Triple-Play Services Access in Rural Areas." International Journal of Digital Multimedia Broadcasting 2010 (2010): 1–11. http://dx.doi.org/10.1155/2010/913421.

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This paper discusses the convergence of digital broadcasting and Internet technologies, by elaborating on the design, implementation, and performance evaluation of a hybrid terrestrial/satellite networking infrastructure, enabling triple-play services access in rural areas. At local/district level, the paper proposes the exploitation of DVB-T platforms in regenerative configurations for creating terrestrial DVB/IP backhaul between the core backbone (in urban areas) and a number of intermediate communication nodes distributed within the DVB-T broadcasting footprint (in rural areas). In this way

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2

Ladebusch, U., and C. A. Liss. "Terrestrial DVB (DVB-T): A Broadcast Technology for Stationary Portable and Mobile Use." Proceedings of the IEEE 94, no. 1 (2006): 183–93. http://dx.doi.org/10.1109/jproc.2005.861009.

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Reimers, U. "DVB-T: the COFDM-based system for terrestrial television." Electronics & Communication Engineering Journal 9, no. 1 (1997): 28–32. http://dx.doi.org/10.1049/ecej:19970105.

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Ya’acob, Norsuzila, Noraisyah Tajudin, Mashira Meri @. Mohamad Zamiri, Azita Laily Yusof, Suzi Seroja Sarnin, and Azlina Idris. "Measurement of digital video broadcasting-second generation terestrial (DVB-T2) signal in Kuala Lumpur, Malaysia." Indonesian Journal of Electrical Engineering and Computer Science 13, no. 3 (2019): 1286. http://dx.doi.org/10.11591/ijeecs.v13.i3.pp1286-1293.

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<span style="font-size: 9pt; font-family: 'Times New Roman', serif;">DVB-T2 (Digital Video Broadcasting – Second Generation Terrestrial) is one of the latest technical standards being developed by the DVB Project for DTT (Digital Terrestrial Television). It is also known as digital broadcasting trough terrestrial system since 2006 and is an extension of the DVB-T system as a second generation program to improve efficiency of the total system. It is important to perform a research on the performance of DVB-T2 because Malaysia has launched the free-to-air digital TV project since 2016 henc

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Mihaylov, Grigor, and Elena Ivanova. "Analysis and Estimation of the Field Strength of Digital Terrestrial Television Broadcasting." Journal of CIEES 1, no. 1 (2021): 17–22. http://dx.doi.org/10.48149/jciees.2021.1.1.3.

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DVB-T is the most widely used standard for digital television broadcast. With its introduction in 1997, it is used in more than 70 countries. Almost all of these countries adopted the new standard for digital terrestrial television broadcasting – DVB-T2. DVB-T2 is the best technology for digital television broadcasting, which offers better signal robustness, flexibility and more than 50% more efficiency, compared with other digital terrestrial television broadcast systems. This paper focuses on ways to deliver MPEG TS to transmitters and estimation of the field strength.

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Andoni, Loreta. "ACHIEVING MAXIMUM SFN SIZE FOR A DVB-T2 TRANSMISSION SYSTEM." CBU International Conference Proceedings 6 (September 25, 2018): 995–1000. http://dx.doi.org/10.12955/cbup.v6.1284.

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The GE-06 Agreement “On planning the terrestrial digital broadcasting services in parts of Region 1 and 3, in the frequency bands of 174-230 MHz and 470-862 MHz” has been based in the DVB-T system of transmission. Most of the signatory countries of this agreement use or are going to use the most advanced digital terrestrial technology such as DVB-T2. One of the main advantages of DVB-T2 comparing with DVB-T is an increased size of SFN networks, which is closely related with guard interval or inter-transmitters distances. To achieve the maximum size of DVB-T2 SFNs, it is important to find optim

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Jiang, Yong, Wen Xu, and Cyprian Grassmann. "Implementing a DVB-T/H Receiver on a Software-Defined Radio Platform." International Journal of Digital Multimedia Broadcasting 2009 (2009): 1–7. http://dx.doi.org/10.1155/2009/937848.

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Digital multimedia broadcasting is available in more and more countries with various forms. One of the most successful forms is Digital Video Broadcasting for Terrestrial (DVB-T), which has been deployed in most countries of the world for years. In order to bring the digital multimedia broadcasting services to battery-powered handheld receivers in a mobile environment, Digital Video Broadcasting for Handheld (DVB-H) has been formally adopted by ETSI. More advanced and complex digital multimedia broadcasting systems are under development, for example, the next generation of DVB-T, a.k.a. DVB-T2

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Gozálvez, David, David Gómez-Barquero, Thomas Stockhammer, and Michael Luby. "AL-FEC for Improved Mobile Reception of MPEG-2 DVB-T Transport Streams." International Journal of Digital Multimedia Broadcasting 2009 (2009): 1–10. http://dx.doi.org/10.1155/2009/614178.

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We investigate the use of application layer FEC protection in DVB-T (Digital Video Broadcasting-Terrestrial) networks for the provision of mobile services. Mobile reception is characterized by variations of the received signal caused by fast fading and shadowing. DVB-T was originally designed for fixed and portable reception, and generally does not provide enough quality in mobile environments. The link layer protection mechanism MPE-FEC (Multi Protocol Encapsulation-Forward Error Correction) was standardized in DVB-H (Digital Video Broadcasting-Handheld) for the protection of mobile TV servic

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Csurgai-Horváth, László, István Rieger, and József Kertész. "A Survey of the DVB-T Spectrum: Opportunities for Cognitive Mobile Users." Mobile Information Systems 2016 (2016): 1–11. http://dx.doi.org/10.1155/2016/3234618.

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Cognitive radio (CR) systems are designed to utilize the available radio spectrum in an efficient and intelligent manner. Terrestrial Digital Video Broadcasting (DVB-T) frequency bands are one of the future candidates for cognitive radio applications especially because after digital television transition the TV white spaces (TVWS) became available for radio communication. This paper deals with the survey of the DVB-T spectrum; wideband measurements were performed on mobile platform in order to study the variation of the radio signal power in city area aboard a moving vehicle. The measurement e

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., Drakshayini M. N. "PERFORMANCE OF DIGITAL VIDEO BROADCASTING-TERRESTRIAL (DVB-T) USING OFDM AS SYSTEM." International Journal of Research in Engineering and Technology 05, no. 16 (2016): 269–71. http://dx.doi.org/10.15623/ijret.2016.0516058.

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Astaiza-Hoyos, Evelio, and Héctor Fabio Bermúdez-Orozco. "DISEÑO DIGITAL DE UNA REPETIDORA DE EMISIÓN DVB-T." Revista de Investigaciones Universidad del Quindío 23, no. 1 (2012): 114–21. http://dx.doi.org/10.33975/riuq.vol23n1.426.

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In this paper, an optimal signal processing design scheme is proposed for a digital broadcast DVB – T in Digital Terrestrial Television Broadcasting (DTTB) networks. The proposed scheme consists of two stages. In the first stage (input stage), a mixer performs a Frequency Down Conversion to translate the radio signal to IF band, then, an interpolator and decimator perform the processing to change the sample rate for the AFC block. The second stage (output stage) comprises one interpolator to change the sample rate at desired rate, and one mixer to return the signal frequency to RF band. Simula

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Petri, Dario, Amerigo Capria, Michele Conti, Fabrizio Berizzi, Marco Martorella, and Enzo Dalle Mese. "High-range resolution multichannel DVB-T passive radar: aerial target detection." International Journal of Microwave and Wireless Technologies 4, no. 2 (2012): 147–53. http://dx.doi.org/10.1017/s1759078712000098.

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A method for improving range resolution in passive radar system is to jointly use more than one transmission channel of the same illuminator of opportunity (IO). This paper specifically focuses on the exploitation of multiple adjacent digital video broadcasting-terrestrial (DVB-T) channels for achieving high-range resolution profiles with a passive radar system operating in air surveillance scenario. Firstly, we present an analysis of the ambiguity function obtained from a multichannel DVB-T source and a pre-processing technique able to improve the characteristics of the multichannel signal ar

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Astuti, Dian Widi. "Analisa Simulasi Performansi Penggunaan Orthogonal Frequency Division Multiplexing Pada Sistem Digital Video Broadcasting-Terrestrial." Jurnal Telekomunikasi dan Komputer 3, no. 1 (2017): 65. http://dx.doi.org/10.22441/incomtech.v3i1.1114.

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Orthogonal Frequency Division Multiplexing (OFDM) merupakan suatu teknik transmisi yang menggunakan beberapa buah frekuensi pembawa (multicarrier) dalam satu saluran dimana setiap frekuensi pembawa tersebut saling orthogonal (tegak lurus). OFDM banyak dipakai untuk sistem komunikasi wireless mengingat kemampuan dari OFDM mengatasi multipath fading yang menyebabkan terjadinya intersymbol interference (ISI). Dampak dari ISI tersebut adalah penerima tidak dapat membaca sandi informasi dengan benar sehingga mengurangi performasi sistem komunikasi digital. Cara OFDM mengatasi ISI adalah dengan meng

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Klincewicz, Karol, and Piotr Samczyński. "Method of Calculating Desynchronization of DVB-T Transmitters Working in SFN for PCL Applications." Sensors 20, no. 20 (2020): 5776. http://dx.doi.org/10.3390/s20205776.

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This paper presents a novel method of calculating desynchronization between transmitters working in a single frequency digital video broadcasting-terrestrial (DVB-T) network. The described method can be a useful tool for enhancing passive radar operations and improving passive coherent location (PCL) sensors to correct their measurements of target localization. The paper presents the problem of localizing DVB-T transmitters utilized by passive radars, and proposes a novel method based on Time Difference of Arrival (TDoA) techniques to solve the problem. The proposed technique has been validate

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Ancans, G., E. Stankevicius, V. Bobrovs, and G. Ivanovs. "Estimation of Electromagnetic Compatibility Between DVB-T/DVB-T2 and 4G/5G in the 700 MHz Band for Co-Channel Case." Latvian Journal of Physics and Technical Sciences 57, no. 5 (2020): 30–38. http://dx.doi.org/10.2478/lpts-2020-0025.

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AbstractThe 694–790 MHz band (700 MHz) known also as the second digital dividend was allocated to the mobile radiocommunication service on a primary basis in Region 1 and identified to International Mobile Telecommunications by the World Radiocommunication Conference 2012 (WRC-12). The designation of mobile service in Europe and other countries of Region 1 in 700 MHz band was obtained after the World Radiocommunication Conference 2015 (WRC-15). Administrations of Region 1 will be able to plan and use these frequencies for mobile networks, including IMT. The goal of this study is to estimate th

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Rezaei, Mehdi, Imed Bouazizi, and Moncef Gabbouj. "Statistical Time-Frequency Multiplexing of HD Video Traffic in DVB-T2." International Journal of Digital Multimedia Broadcasting 2009 (2009): 1–12. http://dx.doi.org/10.1155/2009/186960.

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Digital video broadcast-terrestrial 2 (DVB-T2) is the successor of DVB-T standard that allows a two-dimensional multiplexing of broadcast services in time and frequency domains. It introduces an optional time-frequency slicing (TFS) transmission scheme to increase the flexibility of service multiplexing. Utilizing statistical multiplexing (StatMux) in conjunction with TFS is expected to provide a high performance for the broadcast system in terms of resource utilization and quality of service. In this paper, a model for high-definition video (HDV) traffic is proposed. Then, utilizing the propo

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Asril, Aprinal Adila, Yustini Yustini, and Hadria Oktavia. "Perancangan Dan Realisasi Antena Mikrostrip Monopole Segiempat Pada Frekuensi 546 Mhz Untuk Aplikasi Dvb-T." Elektron : Jurnal Ilmiah 11, no. 1 (2019): 18–28. http://dx.doi.org/10.30630/eji.11.1.96.

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Antena mikrostrip adalah suatu konduktor metal yang menempel diatas groundplane yang diantarannya terdapat bahan dielektrik. Antena mikrostrip terdiri atas 3 bagian utama yaitu patch, substrate dan groundplane. Antena mikrostrip yang dapat digunakan dalam konsep aplikasi DVB-T. Sistem DVB-T (Digital Video Broadcasting Terestrial), merupakan sistem penyiaran langsung dari pemancar bumi (terrestrial). Pada penelitian ini dibuat antena mikrostrip monopole untuk DVB-T dengan menggunakan PCB double layer dan software Zeland. Antena ini dirancang pada frekuensi 546 MHz. Bahan yang digunakan adalah P

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Huang, Jie, Letizia Lo Presti, and Roberto Garello. "Digital Video Broadcast-Terrestrial (DVB-T) Single Frequency Networks Positioning in Dynamic Scenarios." Sensors 13, no. 8 (2013): 10191–218. http://dx.doi.org/10.3390/s130810191.

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Machaj, Juraj, Peter Brida, Norbert Majer, and Roman Sčehovič. "Impact of GPS Interference on Time Synchronization of DVB-T Transmitters." Mobile Information Systems 2021 (April 14, 2021): 1–11. http://dx.doi.org/10.1155/2021/8812333.

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Nowadays, the Global Positioning System (GPS) is widely used in all aspects of our lives. GPS signals are not used only in positioning and navigation applications and services in transport and military, but, thanks to quite precise information about time, also for synchronization of world trade and synchronization of wireless transmitters. However, with the recent spread of location-based services, a large number of GPS jammers had appeared. Use of these jammers is prohibited by law; however, their use is gaining popularity especially in the transport segment since jammers can be used to trick

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Zebiri, C., Mohamed Lashab, Fatiha Benabdelaziz, R. A. Abd-Alhameed, and Fauzi Elmegri. "A Grating Monopole Antenna on Metamaterial Using MSRR for DVB-T Application." Applied Mechanics and Materials 789-790 (September 2015): 989–92. http://dx.doi.org/10.4028/www.scientific.net/amm.789-790.989.

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This work presents a novel broadband monopole antenna for digital video broadcasting-terrestrial (DVB-T) application. The proposed antenna consists of a grating patch and a concave rectangular ground plane with defected ground plane, and the Multiple Split-Ring Resonator (MSRR). The added part in the ground plane and the meta-material are used to enable the antenna height reduction for fixed ranges of operating frequency. The antenna can operate from 468 MHz to 894 MHz frequency range corresponding to 62.5% of impedance bandwidth for |S11|<-7.5 dB. Details of the proposed antenna designs an

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Lopez-Sanchez, Jaime, David Gomez-Barquero, David Gozalvez, and Narc í. s. Cardona. "On the Provisioning of Mobile Digital Terrestrial TV Services to Vehicles With DVB-T." IEEE Transactions on Broadcasting 58, no. 4 (2012): 642–47. http://dx.doi.org/10.1109/tbc.2012.2202034.

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Hussein, Dina M., Abdelhalim Zekry, Said Baioumy, and Fatma El-Newagy. "Implementation of a standard inner convolutional codec for DVB-T system using VHDL." International Journal of Engineering & Technology 6, no. 4 (2017): 131. http://dx.doi.org/10.14419/ijet.v6i4.8038.

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Forward error correction (FEC) plays a vital role in digital communication systems. DVB-T system uses FEC as a channel coding technique to restore any data lost through transmission to the receiver. DVB-T system uses two levels of error protection. The first level is applied in the data transmitted by using a Reed-Solomon RS (204, 188) code followed by a convolutional interleaver. The other level of error protection is a punctured convolutional inner coding followed by an inner interleave in which the data sequence is rearranged again to minimize the influence of burst errors.This paper descri

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Akhmetova, G. "Comparison of standards and methodology of determining the coverage area of the digital terrestrial broadcasting network DVB-T and DVB-T2." Bulletin of L.N. Gumilyov Eurasian National University. PHYSICS. ASTRONOMY Series 122, no. 1 (2018): 13–18. http://dx.doi.org/10.32523/2616-6836-2018-122-1-13-18.

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Arfianto, Teguh. "Optimasi Parameter Transmisi OFDM pada DVB-T untuk Penerimaan Tetap dan Bergerak." Jurnal Telekomunikasi dan Komputer 3, no. 2 (2017): 113. http://dx.doi.org/10.22441/incomtech.v3i2.1116.

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Standar Televisi digital yang digunakan di PT. M2V merupakan standarTV digital untuk siaran terrestrial yang dikembangkan di Eropa. SistemDVB-T memiliki ketahanan tinggi terhadap berbagai gangguan akibatkondisi kanal yang buruk dengan adanya derau, lintasan jamak, danvariasi daya terima karena fading karena dipadu dengan dua lapis teknikpengodean untuk koreksi sinyal. Dengan menggunakan sistem ini, dalamsetiap frekuensi carier 8 Mhz diisi dengan 8 channel program siaran.DVB-T juga dapat diimplementasikan dalam mode SFN (SingleFrequency Network) di mana suatu operator dapat memasang beberapapem

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Kamar, Sara, Abdelmoniem Fouda, Abdelhalim Zekry, and Abdelmoniem Elmahdy. "FPGA implementation of RS codec with interleaver in DVB-T using VHDL." International Journal of Engineering & Technology 6, no. 4 (2017): 171. http://dx.doi.org/10.14419/ijet.v6i4.8205.

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Digital television (DTV) provides a huge amount of information to many users at low cost. Recently, it can be packaged and fully integrated into completely digital transmission networks. Reed-Solomon code (RS) is one type of error correcting codes that can be used to enhance the performance of DTV. Interleaving/deinterleaving process enhances the performance of channel errors by spreading out random errors, very high-speed hardware description language (VHDL) is used in electronic design automation. It can be used as a general-purpose parallel programming language.This paper presents VHDL prog

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Rahmanto, Randy, and Belinda Ayuningtyas. "ADAPTIVE POWER CONTROL ON DVB-T SYSTEM BASED ON NO-REFERENCE PERCEPTUAL PICTURE QUALITY METRIC." Jurnal Teknika dan Informatika (JTI) 1, no. 1 (2021): 13–24. http://dx.doi.org/10.52909/jti.v1i1.7.

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Digital Video Broadcasting – Terrestrial (DVB-T) adalah salah satu standar broadcast televisi digital di eropa. Ketika mentransmisikan data melalui sistem DVB-T, noise merupakan masalah yang tidak dapat dihindarkan. Masalah tersebut dapat menyebabkan penurunan kualitas video yang diterima oleh end user. Berdasarkan penjelasan diatas, penulis mendesain sebuah adaptive power control on DVB-T system based-on no-reference perceptual picture quality metric yang dapat menentukan berapa banyak transmit power yang dibutuhkan oleh receiver untuk mendapatkan hasil kualitas video yang baik. No-reference

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Scalise, F., M. Balanza, N. Chauve, et al. "A Prototype VLSI Solution for Digital Terrestrial TV Receivers Conforming to the DVB-T Standard." SMPTE Journal 106, no. 11 (1997): 768–76. http://dx.doi.org/10.5594/j17642.

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Pahlevi, Trya Agung. "PERLUASAN JANGKAUAN SIARAN STASIUN PEMANCAR DIGITAL TVRI JAWA BARAT DENGAN SISTEM SINGLE FREQUENCY NETWORK (SFN)." SINERGI 21, no. 1 (2017): 47. http://dx.doi.org/10.22441/sinergi.2017.1.007.

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Implementasi penyiaran televisi digital dengan menggunakan media teresterial telah menjadi kenyataan di Indonesia. Sistem penyiaran televisi digital (Digital Video Broadcast over Terrestrial / DVB-T) memungkinkan untuk penggunaan Single Frequency Network (SFN), sehingga dapat memperluas wilayah jangkauan siaran dengan menggunakan satu kanal frekuensi. Penelitian yang dilakukan adalah merencanakan koordinat dan parameter teknis sistem SFN DVB-T di wilayah TVRI Jawa Barat, berdasarkan rekomendasi dari akta-akta akhir International Telecommunication Union (ITU) dalam Sidang Regional Radiocommunic

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Płotka, Marek, Karol Abratkiewicz, Mateusz Malanowski, Piotr Samczyński, and Krzysztof Kulpa. "The Use of the Reassignment Technique in the Time-Frequency Analysis Applied in VHF-Based Passive Forward Scattering Radar." Sensors 20, no. 12 (2020): 3434. http://dx.doi.org/10.3390/s20123434.

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This paper presents the application of the time-frequency (TF) reassignment technique in passive forward scattering radar (FSR) using Digital Video Broadcasting – Terrestrial (DVB-T) transmitters of opportunity operating in the Very High Frequency (VHF) band. The validation of the proposed technique was done using real-life signals collected by the passive radar demonstrator during a measurement campaign. The scenario was chosen to test detection ranges and the capability of estimating the kinematic parameters of a cooperative airborne target in passive FSR geometry. Additionally, in the exper

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Cidronali, Alessandro, Niccolò Giovannelli, Stefano Maddio, et al. "A 280 W LDMOS broadband Doherty PA with 52% of fractional bandwidth based on a multi-line impedance inverter for DVB-T applications." International Journal of Microwave and Wireless Technologies 8, no. 8 (2016): 1141–53. http://dx.doi.org/10.1017/s1759078716000428.

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We introduce a new technique for the design of an output combiner for Doherty power amplifier (DPA) and its effective exploitation for the development of a wideband laterally diffused metal oxide semiconductor (LDMOS) DPA. The design is enabled by a two-line impedance inverter for the DPA back-off operation, which is capable of 52% of fractional bandwidth. The technique is validated by the development of a DPA prototype for Ultra high frequency terrestrial digital video broadcast (DVB-T) applications, with optimized peak power and efficiency over 470–806 MHz. The prototype delivers between 40

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Yiyan Wu, E. Pliszka, B. Caron, P. Bouchard, and G. Chouinard. "Comparison of terrestrial DTV transmission systems: the ATSC 8-VSB, the DVB-T COFDM, and the ISDB-T BST-OFDM." IEEE Transactions on Broadcasting 46, no. 2 (2000): 101–13. http://dx.doi.org/10.1109/11.868925.

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Almanofi, Anas M., Adnan Malki, and Ali Kazem. "Doppler Frequency Estimation for a Maneuvering Target Being Tracked by Passive Radar Using Particle Filter." Journal of communications software and systems 16, no. 4 (2020): 279–84. http://dx.doi.org/10.24138/jcomss.v16i4.1097.

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In this paper, we estimate Doppler frequency of a maneuvering target being tracked by passive radar using two types of particle filter, the first is “Maximum Likelihood Particle Filter” (MLPF) and the second is “Minimum Variance Particle filter” (MVPF). By simulating the passive radar system that has the bistatic geometry “Digital Video Broadcasting-Terrestrial (DVB-T) transmitter / receiver” with these two types, we can estimate the Doppler frequency of the maneuvering target and compare the simulation results for deciding which type gives better performance.

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Kulpa, Krzysztof, Mateusz Malanowski, Piotr Samczyński, Jacek Misiurewicz, and Bartek Dawidowicz. "Passive radar for airborne platform protection." International Journal of Microwave and Wireless Technologies 4, no. 2 (2012): 137–45. http://dx.doi.org/10.1017/s1759078712000220.

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The paper presents the idea of the application of passive radar on board of an airplane. The aim of the passive coherent location (PCL) system is to provide surveillance information to the pilot (or autopilot), to detect the targets in the surveillance space, and to protect the platform from collisions and other threats. The PCL system can use the available emitters of opportunity, mainly digital terrestrial TV (DVB-T) transmitters. Other sources of illuminations, such as analogue (FM) or digital radio (DAB) can be used as well.

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Gómez-del-Hoyo, P. J., N. del-Rey-Maestre, D. Mata-Moya, M. P. Jarabo-Amores, and M. C. Benito-Ortiz. "Coherent Detection and 3D Tracking Stages of a DVB-T Based Passive Radar for Terrestrial Traffic Monitoring." IOP Conference Series: Materials Science and Engineering 524 (May 28, 2019): 012002. http://dx.doi.org/10.1088/1757-899x/524/1/012002.

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Yiyan Wu. "Performance comparison of ATSC 8-VSB and DVB-T COFDM transmission systems for digital television terrestrial broadcasting." IEEE Transactions on Consumer Electronics 45, no. 3 (1999): 916–24. http://dx.doi.org/10.1109/30.793643.

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Turunen, Vesa, Marko Kosunen, Sami Kallioinen, Aarno Pärssinen, and Jussi Ryynänen. "The effects of non-linearity in spectrum sensing receivers." International Journal of Microwave and Wireless Technologies 8, no. 7 (2015): 995–1003. http://dx.doi.org/10.1017/s1759078715001130.

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This paper analyses the effects of receiver non-linearity on the performance of the most commonly utilized signal detectors in cognitive radio systems. The analysis covers both self-modulation products of a single orthogonal frequency-division multiplexing (OFDM) signal and intermodulation(IM)products of two OFDM signals, and also their contribution to the probability of false detections. As a result, this work presents the linearity requirements for the spectrum sensor receiver front-end as a function of the sensitivity of the signal detector. Furthermore, we show that the cyclostationary fea

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Tseng, Hsien Wei, Wei Chien, Shih Nan Lu, Wei Chen Lee, Yih Guang Jan, and Yang Han Lee. "Measurement and Simulation of System Performance of Digital Broadcasting System." Applied Mechanics and Materials 284-287 (January 2013): 2908–12. http://dx.doi.org/10.4028/www.scientific.net/amm.284-287.2908.

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In this paper, we use MATLAB software to build the physical layer transceiver of the Digital Video Broadcasting Terrestrial System (DVB-T) and Additive White Gaussian Noise (AWGN) is added into the transmitted signal during its transmission. The transmitted signal passes through modulation, demodulation, encoding and decoding processes the resulting demodulated signal is compared with the transmitted signal to calculate its Bit Error Rate (BER). Three modulation formats, QPAK, 16-QAM and 64-QAM are simulated and through various Signal to Noise (SNR) ratio to evaluate the system performance. Va

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Xiong, Yu Jie, Xiao Fei Zang, and Yi Zang. "Analysis on the Compensation for the Demodulated Phase Errors Caused by Sampling Frequency Offset in OFDM Systems." Applied Mechanics and Materials 380-384 (August 2013): 4103–7. http://dx.doi.org/10.4028/www.scientific.net/amm.380-384.4103.

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Due to the excellent spectral efficiency and inherent resistance to multipath fading effect, OFDM has been widely adopted in Digital video broadcasting-terrestrial (DVB-T). However, as a multi-carrier transmission technique, there is sampling frequency offset (SFO) in the OFDM systems, which will seriously degrade performance of demodulation by resulting in interference between adjacent sub-carriers (ICI) and demodulated phase deviation. In this paper, to achieve correction of phase errors and solve the problem that OFDM signals cannot be correctly demodulated for complex constellation when SF

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Pető, Tamás, and Rudolf Seller. "Quad channel software defined receiver for passive radar application." Archives of Electrical Engineering 66, no. 1 (2017): 5–16. http://dx.doi.org/10.1515/aee-2017-0001.

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Abstract In recent times the growing utilization of the electromagnetic environment brings the passive radar researches more and more to the fore. For the utilization of the wide range of illuminators of opportunity the application of wideband radio receivers is required. At the same time the multichannel receiver structure has also critical importance in target direction finding and interference suppression. This paper presents the development of a multichannel software defined receiver specifically for passive radar applications. One of the relevant feature of the developed receiver platform

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Kazem, Ali, Adnan Malki, and Anas Mahmoud Almanofi. "Target Coordinates Estimation by Passive Radar with a Single non-Cooperative Transmitter and a Single Receiver." Journal of communications software and systems 16, no. 2 (2020): 156–62. http://dx.doi.org/10.24138/jcomss.v16i2.984.

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Passive radar is a bistatic radar that detects and tracks targets by processing reflections from non-cooperative transmitters. Due to the bistatic geometry for this radar, a target can be localized in Cartesian coordinates by using one of the following bistatic geometries: multiple non-cooperative transmitters and a single receiver, or a single non-cooperative transmitter and multiple receivers, whereas the diversity of receivers or non-cooperative transmitters leads to extra signal processing and a ghost target phenomenon. To mitigate these two disadvantages, we present a new method to estima

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Abdelali, Hajar. "New technique combining the Tone Reservation method with Clipping technique to reduce the Peak-to-Average Power Ratio." International Journal of Electrical and Computer Engineering (IJECE) 8, no. 6 (2018): 5215. http://dx.doi.org/10.11591/ijece.v8i6.pp5215-5226.

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Nonlinear distortions and impairments appear in multicarrier signal with high fluctuations when amplified by a Radio Frequency Power Amplifier (RF PA). Clipping (CL) technique offers a simple way to reduce these fluctuations in Orthogonal Frequency Division Multiplexing (OFDM) Technique, but may degrade seriously the transmission quality. This is why the new mobile standards propose other methods, like the Tone Reservation (TR) technique in the Digital Video Broadcasting-Terrestrial (DVB-T), that reduce the Peak-to-Average Power Ratio (PAPR) without reaching optimal performances. This paper de

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Amreev, M., R. Safin, V. Yakubov, and T. Pavlova. "CHOOSING A COMPRESSION STANDARD FOR TRANSMITTING A TELEVISION IMAGE." PHYSICO-MATHEMATICAL SERIES 5, no. 333 (2020): 5–9. http://dx.doi.org/10.32014/2020.2518-1726.76.

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With the advent of the MPEG-4 Visual and H.264 compression standards, the role of the MPEG-2 compression standard has not diminished at the present time, since these standards are largely compatible, especially for information highways. Today, in a number of countries, the MPEG-2 compression standard is actually the main one for broadcasting, the functioning of which is based on the operation of DVB-T terrestrial digital television systems. Due to the fact that the majority of the currently used STBs support the MPEG-2 standard, it will remain widespread for at least the next few years. The IT

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Lokshina, Izabella. "Application of Extrinsic Information Transfer Charts to Anticipate Turbo Code Behavior." International Journal of Interdisciplinary Telecommunications and Networking 3, no. 2 (2011): 31–37. http://dx.doi.org/10.4018/jitn.2011040102.

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This paper examines turbo codes that are currently introduced in many international standards, including the UMTS standard for third generation personal communications and the ETSI DVB-T standard for Terrestrial Digital Video Broadcasting. The convergence properties of the iterative decoding process associated with a given turbo-coding scheme are estimated using the analysis technique based on so-called extrinsic information transfer (EXIT) chart. This approach provides a possibility to anticipate the bit error rate (BER) of a turbo code system using only the EXIT chart. It is shown that EXIT

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Hussein, Ehab AbdulRazzaq. "Enhancing the BER and ACLR for the HPA Using Pre-Distortion Technique." International Journal of Electrical and Computer Engineering (IJECE) 9, no. 4 (2019): 2725. http://dx.doi.org/10.11591/ijece.v9i4.pp2725-2731.

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<p>Power amplifiers are key components in wireless transceivers. Their function is to amplify signal and generate the required Radio Frequency (RF) power that allows to transmit the signal over an appropriate range. The Orthogonal Frequency Division Multiplexing (OFDM) systems are highly sensitive to nonlinear distortion<em> </em>introduced by High Power Amplifier (HPA). The HPA nonlinearity causes in-band and out-of-band distortions. The linearization techniques are used to compensate the nonlinear effects of the high power amplifier. These techniques correct the distortion

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Camarda, Pietro, Cataldo Guaragnella, and Domenico Striccoli. "Video Smoothing of Aggregates of Streams with Bandwidth Constraints." Journal of Communications Software and Systems 1, no. 1 (2017): 57. http://dx.doi.org/10.24138/jcomss.v1i1.318.

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Compressed variable bit rate (VBR) video transmission is acquiring a growing importance in the telecommunication world. High data rate variability of compressed video over multiple time scales makes an efficient bandwidth resource utilization difficult to obtain. One of the approaches developed to face this problem are smoothing techniques. Various smoothing algorithms that exploit client buffers have been proposed, thus reducing the peak rate and highrate variability by efficiently scheduling the video data to be transmitted over the network. The novel smoothing algorithm proposed in this pap

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Beckert, Bernd, and Peter Zoche. "Sechs Schritte zur Digitalisierung des deutschen Kabelfernsehnetzes." MedienWirtschaft 3, no. 4 (2006): 30–45. http://dx.doi.org/10.15358/1613-0669-2006-4-30.

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Fernsehsender, Mediendienstleister, Netzbetreiber, Gerätehersteller und die Politik sind sich einig: Das Kabelfernsehnetz sollte möglichst rasch digitalisiert werden, um das Potenzial des Netzes auszuschöpfen und um im Wettbewerb mit dem digitalen Satellitendirektempfang, der digitalen Terrestrik (DVB-T) und DSL zu bestehen. Unbestritten ist, dass von der Digitalisierung der Kabelfernsehnetze in Deutschland wichtige Impulse für die Medienindustrie und angrenzende Bereiche ausgehen können. Andere Länder haben es vorgemacht; die Umstellung von analoger auf digitale Übertragung im Kabel hat ein v

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Lange, Constantin, Bernd Kleinsteuber, and Thomas Hintze. "Kabelnetzbetreiber als Programmveranstalter?" MedienWirtschaft 3, no. 4 (2006): 51–56. http://dx.doi.org/10.15358/1613-0669-2006-4-51.

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Als Premiere bei der Vergabe der Bundesliga-Fernsehrechte für die nächsten drei Jahre durch die DFL leer ausging, wurde von dort eine ordnungs- und medienpolitisch relevante Kritik geäußert. Arena, der neue Inhaber der Pay-TV-Rechte, ist nämlich eine hundertprozentige Tochtergesellschaft des Unternehmens Unity Media, das gleichzeitig die Kabelnetze von ish, iesy und Tele Columbus betreibt. Bisher war die Trennung von TV-Programm und -Distribution nicht nur ein Prinzip der Medienpolitik, sondern auch ein struktureller Vorteil aus ordnungspolitischer Sicht, da es den funktionierenden Wettbewerb

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"Technological Progress in Terrestrial Television Transmitting – Efficiency and Rentability of Introducing DVB-T2 HEVC System inGermany and Croatia." WSEAS TRANSACTIONS ON BUSINESS AND ECONOMICS 17 (September 24, 2020). http://dx.doi.org/10.37394/23207.2020.17.92.

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Germany and Croatia are among first European countries that have adopted the strategy of switchingfrom DVB-T h.264 system to DVB-T2 h.265 (HEVC) system of broadcasting for terrestrial television. The newerh.265 system has better performance compared to previously h.264 especially in terms of efficiency oftransmitting. On a single frequency, h.265 enables much more data flow, which means more channels and/orbetter quality of transmitting. This paper investigates the efficiency and rentability of such transition andcompares Germany as s big and Croatia as a small European country. The aim of the

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Srinivasan, Sudharsan, Sener Dikmese, and Markku Renfors. "Enhanced interpolation-based interference rejection combining for black-space cognitive radio in time-varying channels." EURASIP Journal on Wireless Communications and Networking 2020, no. 1 (2020). http://dx.doi.org/10.1186/s13638-020-01840-z.

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AbstractIn this paper, we investigate multi-antenna interference rejection combing (IRC)-based black-space cognitive radio (BS-CR) operation in time-varying channels. The idea of BS-CR is to transmit secondary user (SU) signal in the same frequency band with the primary user (PU) such that SU’s power spectral density is clearly below that of the PU, and no significant interference is inflicted on the PU receivers. We explore the effects of interpolation and mobility on the novel blind IRC technique which allows such operation mode for effective reuse of the PU spectrum for relatively short-dis

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