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Digital Television Systems
This page intentionally left blank Digital Television Systems Digital television is a multibillion-dollar industry with commercial systems now being deployed worldwide. In this concise yet detailed guide, you will learn about the standards that apply to fixed-line and mobile digital television, as well as the underlying principles involved, such as signal analysis, modulation techniques, and source and channel coding. The digital television standards, including the MPEG family, ATSC, DVB, ISDTV, DTMB, and ISDB, are presented toaid understanding ofnew systems in the market and reveal the variations between different systems used throughout the world. Discussions of source and channel coding then provide the essential knowledge needed for designing reliable new systems.Throughout the book the theory is supported by over 200 figures and tables, whilst an extensive glossary defines practical terminology.Additional background features, including Fourier analysis, probability and stochastic processes, tables of Fourier and Hilbert transforms, and radiofrequency tables, are presented in the book’s useful appendices. This is an ideal reference for practitioners in the field of digital television. It will alsoappeal tograduate students and researchers in electrical engineering and computer science, and can be used as a textbook for graduate courses on digital television systems. Marcelo S. Alencar is Chair Professor in the Department of Electrical Engineering, Federal University of Campina Grande, Brazil. With over 29 years of teaching and research experience, he has published eight technical books and more than 200 scientific papers. He is Founder and President of the Institute for Advanced Studies in Communications (Iecom) and has consulted for several companies and R&D agencies. -
Technical Challenges of DVB-T2 Implementation in Indonesia
Technical Challenges of DVB-T2 Implementation in Indonesia Tantangan Teknis Implementasi DVB-T2 di Indonesia Tri Anggraeni Sekolah Tinggi Multi Media MMTC Yogyakarta Jalan Magelang Km. 6 Yogyakarta 55284 [email protected] Received: 2 October 2014; Received in revised form: 4 November 2014; Accepted: 14 November 2014 Abstrak Transisi dari penyiaran analog ke digital yang — menjanjikan banyak kesempatan baru telah memotivasi I. INTRODUCTION Organisasi Telekomunikasi Internasional (International Telecommunication Union atau ITU) untuk memberikan The broadcasting technology has emerged since 1900 and dorongan yang besar kepada Negara-negara di dunia untuk segera mewujudkannya. Sebagian besar Negara-negara di dunia before the invention of television, it was primarily used for juga sudah menyadari begitu pentingnya transisi tersebut. Akan radio and wireless telegraph (Luo, 2011). Television used tetapi, banyak tantangan yang membuat proses transisi high-frequency radio wave to send the television signal and at berlangsung relatif lambat, termasuk di Indonesia. Penelitian ini the beginning, the information was transformed and sent as memilih Swedia dan Inggris yang sudah terlebih dulu melakukan transisi total ke penyiaran digital untuk menggali analog signals. Analog transmission utilizes a prolonged tantangan-tantangan teknis dan usaha yang dilakukan untuk carrier signal which the amplitude, frequency, or phase varies menghadapi tantangan tersebut. Penelitian ini menganalisa in the proportion to the analog message (voice and image). It status transisi Indonesia saat ini dan menghasilkan rekomendasi- uses frequency modulation (FM) and amplitude modulation rekomendasi. (AM). Kata kunci— transisi digital, DVB-T2, tantangan teknis The development of digital broadcasting was started since 1990s. It gives better quality, bigger transmission rates, better resistance to the interference, and tackles the problems caused Abstract— Transition from analogue to digital broadcasting which promises many new opportunities has motivated by channel noise. -
QUESTION 20-1/2 Examination of Access Technologies for Broadband Communications
International Telecommunication Union QUESTION 20-1/2 Examination of access technologies for broadband communications ITU-D STUDY GROUP 2 3rd STUDY PERIOD (2002-2006) Report on broadband access technologies eport on broadband access technologies QUESTION 20-1/2 R International Telecommunication Union ITU-D THE STUDY GROUPS OF ITU-D The ITU-D Study Groups were set up in accordance with Resolutions 2 of the World Tele- communication Development Conference (WTDC) held in Buenos Aires, Argentina, in 1994. For the period 2002-2006, Study Group 1 is entrusted with the study of seven Questions in the field of telecommunication development strategies and policies. Study Group 2 is entrusted with the study of eleven Questions in the field of development and management of telecommunication services and networks. For this period, in order to respond as quickly as possible to the concerns of developing countries, instead of being approved during the WTDC, the output of each Question is published as and when it is ready. For further information: Please contact Ms Alessandra PILERI Telecommunication Development Bureau (BDT) ITU Place des Nations CH-1211 GENEVA 20 Switzerland Telephone: +41 22 730 6698 Fax: +41 22 730 5484 E-mail: [email protected] Free download: www.itu.int/ITU-D/study_groups/index.html Electronic Bookshop of ITU: www.itu.int/publications © ITU 2006 All rights reserved. No part of this publication may be reproduced, by any means whatsoever, without the prior written permission of ITU. International Telecommunication Union QUESTION 20-1/2 Examination of access technologies for broadband communications ITU-D STUDY GROUP 2 3rd STUDY PERIOD (2002-2006) Report on broadband access technologies DISCLAIMER This report has been prepared by many volunteers from different Administrations and companies. -
Mobile Internet Access and Political Outcomes: Evidence from South Africa
Mobile Internet access and political outcomes: Evidence from South Africa Dante Donatiy Universitat Pompeu Fabra This version: March 2018 Most recent version available here Abstract Does mobile Internet arrival affect individuals’ voting behavior in developing countries? I provide an empirical answer to this question looking at the South African municipal elections results between 2000 and 2016. I exploit the temporal and geographical variation in 3G Internet coverage to estimate its impact on (1) the vote shares of the major parties, (2) voter turnout, (3) electoral competition and (4) protests. Using a high-resolution newly constructed dataset along with a Diff-in-Diff and 2SLS estimation, I show that in 2016 Internet availability caused a reduction in the vote share of the ruling party by almost 7 pp. The main opponents have gained from the Internet arrival. Political competition and number of protests increased. Results are robust to different model specifications, and alternative estimators. Then, I develop an extensive analysis of the potential mechanisms. A triple difference estimator is used to assess the role of the Internet in providing information on corruption and administrative scandals. I find that in localities more exposed to the scandals the impact of 3G arrival is larger. Finally, I conduct a spatial analysis to study how the surrounding environment influences the impact digital information has on opinions towards the incumbent. I show that Internet penetration fosters convergence of preferences over space. Keywords: Corruption, Media, Mobile Internet, Municipal elections, Political outcomes. yI thank seminar attendants at Universitat Pompeu Fabra and Toulouse School of Economics. I am grateful to Ruben Durante, Ruben Enikolopov, Frederico Finan, José García-Montalvo, Nicola Gennaioli, Fabrizio Germano, Saumitra Jha, Eliana La Ferrara, David Nagy, Maria Petrova, Giacomo Ponzetto, Nandan Rao, Marta Reynal-Querol, Alessandro Tarozzi and Carlos Velasco Rivera for their comments and useful insights. -
Vodacom Contract Packages South Africa
Vodacom Contract Packages South Africa abhorrently.Acrid and demeaning Slushy and Sergent pygmoid blubs Paulo her blobbing:cyclosis summates which Tully inapplicably is pulsed enough? or dehisce recreantly, is Paddy maltreated? Gunther services How do monthly installment payment plans work WhistleOut. How convenient the right accounts to make a necessary to south africa this policy and any of the vodacom was a critical deciding factor for that time. Vodacom Deals & Specials Back public School Tiendeo. Join two best South African network and is our great but Phone deals Smartphone Data packages Sim Only Plans plus Insurance and Internet services. How To vary Free charge On Vodacom. Welcome to Shop Lenovo The official online store for Lenovo South Africa. Related What are probably most popular tours in South Africa. Vodacom prepaid deals Hello dosto maine iss video main Airtel kaise aapko 5GB. Rain SA's mobile data-only and Fast affordable internet. Vodacom special advantage this week Catalogue January 2021. Vodacom unveils first 5G deals 00GB for R1 499 By Duncan. Like she told him i told him all vodacom contract packages and the want the app store, their own tender still do is. Vodacom to launch 5G services in South Africa in 2020 Reuters. Vodacom-100GB-LTE-100-100 Best Internet. Vodacom Cell Phone Deals. If would want then cancel your plan ask your minimum contract ends you'll be charged a rude to prevail the remaining time you have except This is called an Early Termination Fee nor an ETF. Vodacom free data codes 2020 alexandrawburtononline. Mobile Network Information Vodacom South Africa Help. -
Mtn's Preliminary Submission
NON-CONFIDENTIAL VERSION COMPETITION COMMISSION DATA SERVICES MARKET INQUIRY MTN'S PRELIMINARY SUBMISSION 27 November 2017 Page 1 of 53 2 Table of Contents Page No 1. Introduction and executive summary.......... .......... ..................................................... 3 2. Data services value chain .. .......... ............................................................................. 6 3. Competition in mobile data services.......... ........ ......... ................. .......................... 21 4. MTN's new strategic initiative .................................................................................. 39 5. Regulatory context .................................................................................................. 42 6. Constraints on the further development of data services.................... .................... 46 7. Next steps............ ............................................................................ ............. .......... 53 Page 2 of 53 3 1. Introduction and executive summary Introduction 1.1 On 18 August 2017, the Competition Commission (the "Commission") initiated a market inquiry into Data Services in South Africa in terms of Chapter 4A of the Competition Act No. 89 of 1998 (as amended) (the "Competition Act"). On 20 September 2017, the Commission invited stakeholders to make formal submissions. Mobile Telephone Networks Proprietary Limited ("MTN") would like to thank the Commission for the opportunity to make this submission. 1.2 MTN is mindful of the context within which the -
Copyrighted Material
Index AAAS (American Association for adolescence Mali; Mauritania; the Advancement of Science), identity development among, Mozambique; Namibia; 91 306 Nigeria; Rwanda; Senegal; Aakhus, M., 178 identity practices of boys, 353 South Africa; Tanzania; Aarseth, Espen, 292n revelation of personal Uganda; Zambia abbreviations, 118, 120, 121, 126, information by, 463 African-Americans, 387 127, 133, 134 psychological framework of, 462 identity practices of adolescent ABC (American Broadcasting advertising, 156, 329, 354, 400, boys, 353 Company), 413, 416 415, 416, 420–1 political discussion, 174 ABC (Australian Broadcasting banner, 425 African Global Information Commission), 420 elaborate and sophisticated, 409 Infrastructure Gateway Aboriginal people, 251, 253, porn, 428 Project, see Leland 257–8, 262, 263 revenues, 417, 418, 419, 435 age, 280, 431, 432 abusive imageries, 431 Advertising Age, 417 porn images, 433 accessibility, 13, 50–1, 53, 424 aesthetics, 391, 425, 428, 430, agency, 44, 53, 55, 62, 312 balancing security and, 278 434 conditioned and dominated by control of, 388 alternative, 427 profit, 428 increasing, 223 digital, 407 technologically enhanced, 195 limited, 26 familiar, 435 AHA (American Historical private, 94 games designer, 75 Association), 86 public, 94, 95 play and, 373 Ahmed, Sara, 286–7, 288 see also Internet access promotional, 409 AILLA (Archive of the Indigenous accountability, 151, 191, 199, Afghanistan, 205 Languages of Latin America), 207, 273, 276, 277 AFHCAN (Alaska Federal 263 balancing privacy and, 278 Healthcare -
University of Pretoria
MINI-DISSERTATION TOPIC: “THE INDIRECT LIABILITY OF MOBILE SERVICE PROVIDERS IN SOUTH AFRICA: A COMPARATIVE STUDY” Submitted in partial fulfilment of the requirements for the degree MASTER OF LAWS (with specialization in Intellectual Property) in the FACULTY OF LAW at the UNIVERSITY OF PRETORIA by OLAYEMI AGANGA STUDENT NUMBER: 23335999 Supervisor: PROFESSOR SJ CORNELIUS Date of submission FEBRUARY 2013 i © University of Pretoria DEDICATION This dissertation is dedicated to: My late brother Dapo Aganga. My parents for their love and support. My older brother Tubosun and my sister Olaolu for their faith and trust in me. ii © University of Pretoria DEPARTMENT OF LAW Declaration Regarding Plagiarism The Department of Law emphasises integrity and ethical behaviour with regard to the preparation of all written assignments. Although the lecturer will provide you with information regarding reference techniques, as well as ways to avoid plagiarism, you also have a responsibility to fulfil in this regard. Should you at any time feel unsure about the requirements, you must consult the lecturer concerned before submitting an assignment. You are guilty of plagiarism when you extract information from a book, article, web page or any other information source without acknowledging the source and pretend that it is your own work. This doesn’t only apply to cases where you quote verbatim, but also when you present someone else’s work in a somewhat amended (paraphrased) format or when you use someone else’s arguments or ideas without the necessary acknowledgement. You are also guilty of plagiarism if you copy and paste information directly from an electronic source (e.g., a web site, e-mail message, electronic journal article, or CD ROM), even if you acknowledge the source. -
Alternatives Privatisation Telecoms
ALTERNATIVES TO PRIVATISED TELECOMMUNICATION: Right2Know’s Campaign for a More Democratic Information System in South Africa by John Haffner TABLE OF CONTENTS Introduction 1 A Brief History of the Right2Know Campaign’s Communication Reform Efforts 1 Alternative Pathways Towards Basic Service Delivery: The Case for Looking Outside the Market 3 Why Alternatives to Privatisation? 3 Operational Alternatives in Basic Service Provision 4 The Argument for ICTs as a Basic Service 5 Broadband and the City: Municipalising Telecommunications Services 7 A Departure from the Norm: Sweden’s Opposition to Liberalisation 7 Optimising Infrastructure: Electric/Telephone Utilities and Existing Knowledge of Service Delivery in the U.S. 8 Discussion: Locating the Municipal Opportunities in South Africa 9 Universalising High Speed Internet at the National Level 11 Venezuela’s CANTV: Negotiating Internet Rights in a Nationalised System 11 Uruguay’s ANTEL Transitions a Nation from Copper to Fibre 12 Discussion: South Africa’s History of Nationalised Telecommunications and Recommitting to Citizenry 13 Locating Digital Self-Determination: An Indigenous Approach to Telecommunications 14 K-Net’s Critical Role in Advocating Indigenous Networks in Canada 14 Broadband in the Arctic: Building Local Authority Against Colonial Extraction 15 Discussion: Digital Self-Determination in South Africa: The Case for Indigenous Principles in Telecommunications 16 Negotiating Private Sector Involvement: Public-Private Partnerships in Telecommunications 17 Co-Funding of Large Scale Fibre to the Home Projects in New Zealand 17 Discussion: Enter the Social Enterprise: A New Kind of Public-Private Partnership in South Africa 18 Discussing Alternatives for South Africa Using R2K’s Principles Framework 19 Table 1: Review of Case Studies in Relation to Preconditions 20 Conclusion 23 References 24 1 Introduction The purpose of this research paper is to illuminate examples of international alternatives to privatised telecommunications systems and to locate the ways in which South Africa could follow those models. -
The State of Ict in South Africa
THE STATE OF ICT IN SOUTH AFRICA ALISON GILLWALD, ONKOKAME MOTHOBI AND BROC RADEMAN ACKNOWLEDGEMENTS This report was made possible by the support received from Canada’s International Development Research Centre and the South African Domain Name Authority (ZADNA). The nationally representative ICT access and use survey referenced in this report forms part of a survey of 16 countries in the Global South (seven in Africa) that canvasses barriers to access from those not connected, as well as the challenges to optimal Internet usage even where there is coverage or the individual has connectivity (see After Access 2017). The authors thank Charley Lewis for peer reviewing, but errors and omissions remain those of the authors. Policy Paper no. 5, Series 5: After Access State of ICT in South Africa https://researchictafrica.net/after-access-south-africa-state-of-ict-2017-south-africa-report_04/ July 2018 SERIES EDITOR: ALISON GILLWALD Assistant-to-editor: Broc Rademan Peer-review: Charley Lewis Alison Gillwald | [email protected] Research ICT Africa 409 The Studios, Old Castle Brewery, 6 Beach Road, Woodstock, 7925, Cape Town, South Africa Tel: +27 21 447 6332 | Fax: +27 21 447 9529 International Development Research Centre Centre de reserches pour le développement international 2 EXECUTIVE SUMMARY There is extensive evidence now that, as technology • stimulating demand through the provision of evolves from basic voice services to that of broad- affordable access, but requiring further devel- band, the value of networks increases exponentially opment of relevant local content, applications, with significant multiplier effects impacting positively education and e-skills that would enable the on economic growth and individual well-being under inclusion of people not only as consumers, but as the right conditions. -
E-Conomy Africa 2020 Report
e-Conomy Africa 2020 Africa’s $180 billion Internet economy future Table of Contents Foreword ............................................................................................................................................ 2 Executive Summary ........................................................................................................................ 3 Acknowledgements ........................................................................................................................ 4 Section 1: The State of the Continent, Macro Trends, and Drivers of Change ............. 5 Section 2: Africa’s Growing Internet Economy, Trends, and Projections ...................... 11 Development Opportunities within the Informal Sector .............................. 26 Section 3: Overview of Africa’s Growing Developer and Digital Talent ....................... 28 Section 4: A Review of Africa’s Venture Capital and Funding Landscape .................. 45 Section 5: The Role of Africa’s Hubs and Accelerators ................................................... 52 The Impact of Global Tech Initiatives on Africa’s Internet Economy ................................................................................ 58 Section 6: Infrastructure is Key: Increasing Connectivity on the Continent ............. 60 Section 7: Regulatory Hurdles and Opportunities for Africa’s Internet Economy ..... 69 Appendix: Abbreviations and Acronyms .................................................................................. 81 References ..................................................................................................................................... -
Investigating Broadband Performance in South Africa 2013
Investigating Broadband Performance in South Africa 2013 Marshini Chetty, Srikanth Sundaresan, Sachit Muckaden, Nick Feamster, and Enrico Calandro Towards Evidence-based ICT Policy and Regulation Volume TWO Research ICT Africa Research ICT Africa fills a strategic gap in the development of a sustainable information society and network knowledge economy by building the ICT policy and regulatory research capacity needed to inform effective ICT governance in Africa. The network was launched with seed funding from the IDRC and seeks to extend its activities through national, regional and continental partnerships. The establishment of the Research ICT Africa (RIA) network emanates from the growing demand for data and analysis necessary for the appropriate and visionary policy required to catapult the continent into the information age. Through network development RIA seeks to build an African knowledge base in support of ICT policy and regulatory design processes, and to monitor and review policy and regulatory developments on the continent. The research arising from a public interest agenda is made available in the public domain, and individuals and entities from the public and private sector and civil society are encouraged to use it for teaching, further research or to enable them to participate more effectively in national, regional and global ICT policy formulation and governance. This research is made possible by the significant funding received from the International Development Research Centre (IDRC) Ottawa, Canada. The network members express their gratitude to the IDRC for its support. The network is based in Cape Town under the directorship of Dr. Alison Gillwald. RIA members are Dr. Augustin Chabossou (Benin), Dr.