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Proceedings of the IEEE

Issue 1 • Date Jan. 2006

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Displaying Results 1 - 25 of 41
  • [Front cover]

    Page(s): c1
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    Freely Available from IEEE
  • Put your technology leadership in writing

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    Freely Available from IEEE
  • Proceedings of the IEEE publication information

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    Freely Available from IEEE
  • Blank page after societyinfo

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  • Special Issue on Global Digital Television: Technology and Emerging Services

    Page(s): 5 - 7
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    Freely Available from IEEE
  • Overview of Digital Television Development Worldwide

    Page(s): 8 - 21
    Save to Project icon | Request Permissions | Click to expandQuick Abstract | PDF file iconPDF (718 KB) |  | HTML iconHTML  

    This special issue of the proceedings of the IEEE presents a systematical and complete tutorial on digital television (DTV), produced by a team of DTV experts worldwide. This introductory paper puts the current DTV systems into perspective and explains the historical background and different evolution paths that each system took. The main focus is on terrestrial DTV systems, but satellite and cable DTV are also covered,as well as several other emerging services. View full abstract»

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  • Digital Television Station and Network Implementation

    Page(s): 22 - 36
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    The comparatively recent introduction of digital transmission provides superior video and audio quality and increased capabilities for new services. However, for many years broadcast stations and networks have been transitioning to digital systems for various aspects of production and distribution. The introduction of digital TV has required further major changes to broadcast stations and networks, with large capital investments. This paper describes some of the considerations in implementing digital systems for studios and transmission, and compares broadcast service models adopted in various parts of the world. View full abstract»

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  • The ATSC Digital Television System

    Page(s): 37 - 43
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    The ATSC digital television standard describes a system designed to transmit high-quality video and audio, and ancillary data within a single 6-MHz terrestrial television broadcast channel. This paper outlines the overall architecture of the system and serves as an introduction to the papers that follow in this special issue of the Proceedings of the IEEE. View full abstract»

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  • ATSC RF, Modulation, and Transmission

    Page(s): 44 - 59
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    The developmental aspects and technical characteristics of the ATSC RF transmission standard ("8-VSB") are presented. An exposition is given of the planning and allocation methods that were developed, which are generally applicable to the introduction of a simulcast DTV service independent of the type of modulation used. Additional modulation enhancements (E-VSB)are explained. Techniques for implementation of distributed networks of on-channel transmitters are introduced along with references to some specific applications of these techniques. View full abstract»

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  • ATSC Video and Audio Coding

    Page(s): 60 - 76
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    In recent decades, digital video and audio coding technologies have helped revolutionize the ways we create, deliver, and consume audiovisual content. This is exemplified by digital television (DTV), which is emerging as a captivating new program and data broadcasting service. This paper provides an overview of the video and audio coding subsystems of the Advanced Television Systems Committee (ATSC) DTV standard. We first review the motivation for data compression in digital broadcasting. The MPEG-2 video and AC-3 audio compression algorithms are described, with emphasis on basic concepts, system features, and coding performance. Next-generation video and audio codecs currently under consideration for advanced services are also presented. View full abstract»

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  • The ATSC Transport Layer, Including Program and System Information Protocol (PSIP)

    Page(s): 77 - 101
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    The basic concepts of the transport layer of the ATSC digital television system, including multiplexing, timing, and synchronization, are presented. Constraints on and extensions to the MPEG-2 Systems standard are discussed, including the important extension that adds Program and System Information Protocol (PSIP). Transport related aspects of private data carriage and conditional access are also described. View full abstract»

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  • Data Broadcasting and Interactive Television

    Page(s): 102 - 118
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    This paper provides an overview of the digital television (DTV) data broadcast service and interactive service technologies that have been deployed over the last ten years. We show how these trials have led to the development of data protocol and software middleware specifications, worldwide. Particular attention is given to the series of standards established by the Advanced Television System Committee. Experimental deployments to both Personal Computer(PC) and Set-Top-Box (STB)/spl I.bar/receivers are considered, with an emphasis on the services that have introduced new business models for DTV operators. View full abstract»

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  • ATSC DTV Receiver Implementation

    Page(s): 119 - 147
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    Receivers of broadcast digital television (DTV) service operate in an often difficult environment of electrical interference, multiple other TV signals in close frequency proximity, multipath, wide dynamic range input signals, and uncertain antenna choice and installation. Receivers must demodulate and decode the signal and optimize its processing for different display technologies-a process that can include format conversion between progressive and interlaced scanning and different screen pixel counts. Data that supports the new services enabled by digital transmission must be decoded and processed. Receiver designers must implement the required functions cost-effectively even as they strive to provide performance and feature differentiation from their competitors' products. This paper describes all of the DTV receiver functions and references the associated standards. Emphasis is given to the difficult areas of signal reception and demodulation and to sections of the receiver that enable attractive and recognizable consumer features. View full abstract»

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  • Carriage of Digital Video and Other Services by Cable in North America

    Page(s): 148 - 157
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    This paper presents an overview of digital television and digital audio delivery in North America. The paper begins with an overview of cable's digital video/audio architecture and technology, covering standards and specifications for video, audio, transport, and system/service information, transmission and signaling, security, and digital program (ad) insertion. The paper concludes with an overview of current and emerging digital cable service offerings. View full abstract»

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  • Satellite Direct-to-Home

    Page(s): 158 - 172
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    An overview of satellite direct-to-home (DTH) digital television in the Americas is presented, including history, service applications, and a reference architecture identifying key system building blocks. Satellite DTH's relationship to and differences from terrestrial ATSC are highlighted. The paper concludes with notes on the technology evolutions that allowed the introduction of digital DTH satellite service and contribute to its continued growth today. View full abstract»

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  • DVB-The Family of International Standards for Digital Video Broadcasting

    Page(s): 173 - 182
    Save to Project icon | Request Permissions | Click to expandQuick Abstract | PDF file iconPDF (506 KB) |  | HTML iconHTML  

    This paper presents an overview of the fields of technology addressed by technical specifications created by the DVB Project (DVB). It serves as an introduction to the section of the special issue of the Proceedings of the IEEE in which a number of very recent DVB technologies will be explained in detail. The overview starts with an explanation of the wide field of application which the members of the DVB Project decided to address over the years. It then discusses the base band processing required for DVB services and looks into the specifications provided for the broadcasting over cable, satellite, and terrestrial transmitters. The concept of broadcasting generic data is explained and the interaction channels supported by DVB will be introduced. Multimedia Home Platform (MHP) facilitates a horizontal market of receivers able to run software programs (applications in DVB terminology)in a well defined way. After a short introduction into the specifications addressing the delivery of broadcast-type content over broad-band IP networks,the concept of broadcasting to handheld devices is introduced. The paper closes with a description of the newest areas of development DVB has decided to tackle. View full abstract»

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  • Terrestrial DVB (DVB-T): A Broadcast Technology for Stationary Portable and Mobile Use

    Page(s): 183 - 193
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    Digital video broadcasting-terrestrial (DVB-T) is the name of the terrestrial transmission system which was developed by the DVB Project. DVB-T is in operation in many countries around the world. This paper analyzes the features of the system. It describes its capabilities with a special emphasis on mobile reception and looks at the introduction of DVB-T in Germany using the launch of DVB-T in this country as a case study. In order to analyze how an MPEG transport stream at the input of a DVB-T modulator is turned into a DVB-T signal, we consider the channel coding and modulation used. Then we look at various aspects of the system performance. The next section deals with mobile reception. Network planning issues, antenna diversity concepts for mobile receivers, and handover procedures will be considered. Finally, the introduction of DVB-T in Germany is presented as a case study. In contrast to various other countries Germany decided to offer DVB-T as a means of providing the "anywhere TV" experience. This implies that DVB-T signals can be received with mobile and portable receivers. In regions with DVB-T coverage analogue terrestrial TV services were discontinued just a few months after the launch of DVB-T. View full abstract»

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  • DVB-H: Digital Broadcast Services to Handheld Devices

    Page(s): 194 - 209
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    This paper gives a brief review of the new Digital Video Broadcasting-Handheld(DVB-H) standard. This is based on the earlier standard DVB-T, which is used for terrestrial digital TV broadcasting. The new extension brings features that make it possible to receive digital video broadcast type services in handheld, mobile terminals. The paper discusses the key technology elements-4K mode and in-depth interleavers, time slicing and additional forward error correction-in some detail. It also gives extensive range of performance results based on laboratory measurements and real field tests. Finally it presents viewpoints relevant for DVB-H network design and system use in general. View full abstract»

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  • DVB-S2: The Second Generation Standard for Satellite Broad-Band Services

    Page(s): 210 - 227
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    DVB-S2 is the second-generation specification for satellite broad-band applications, developed by the Digital Video Broadcasting (DVB) Project in 2003. The system is structured as a toolkit to allow the implementation of the following satellite applications: TV and sound broadcasting, interactivity (i.e., Internet access), and professional services, such as TV contribution links and digital satellite news gathering. It has been specified around three concepts: best transmission performance approaching the Shannon limit, total flexibility, and reasonable receiver complexity. Channel coding and modulation are based on more recent developments by the scientific community: low density parity check codes are adopted, combined with QPSK, 8PSK, 16APSK, and 32APSK modulations for the system to work properly on the nonlinear satellite channel. The framing structure allows for maximum flexibility in a versatile system and also synchronization in worst case configurations (low signal-to-noise ratios). Adaptive coding and modulation, when used in one-to-one links, then allows optimization of the transmission parameters for each individual user,dependant on path conditions. Backward-compatible modes are also available,allowing existing DVB-S integrated receivers-decoders to continue working during the transitional period. The paper provides a tutorial overview of the DVB-S2 system, describing its main features and performance in various scenarios and applications. View full abstract»

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  • Technologies for DVB Services on the Internet

    Page(s): 228 - 236
    Save to Project icon | Request Permissions | Click to expandQuick Abstract | PDF file iconPDF (669 KB) |  | HTML iconHTML  

    In 2004 DVB approved the first edition of the DVB IP Handbook, intended to support the first commercial deployments of Internet TV services. The specifications in the handbook standardize technologies at the receiver interface, to enable TV, radio, and general interactive multimedia services over IP-based networks. This paper gives an overview of the specifications, beginning with the reference architecture currently used by DVB. The key technologies specified are service discovery and selection, a DVB Real-Time Streaming Protocol client, MPEG-2 transport over IP, IP address allocation and network time services, receiver identification, and a network provisioning option. View full abstract»

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  • The DVB Multimedia Home Platform (MHP) and Related Specifications

    Page(s): 237 - 247
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    For some years, digital pay television services have been accompanied by software applications which are downloaded from the broadcast into the set-top boxes in the living room and executed there. The formats and protocols used for these are proprietary. In 2000, after a long and difficult development process, the DVB Project offered to the world an open standard specification to support the execution of such applications called the Multimedia Home Platform (MHP). It enables digital content providers and broadcast equipment suppliers to address MHP receivers, regardless of the manufacturer of the receiver or the developer of the MHP middleware implementation. Since the completion of version 1.0 of the MHP specification in January 2000, derivative specifications have been produced for non-DVB markets. One such derivative is the Open Cable Application Platform (OCAP) produced by CableLabs for cable TV in the United States. This removes completely those MHP features which are simply not applicable in that market. Other features are replaced with a U.S. equivalent. Extensions have been defined by CableLabs for additional requirements. View full abstract»

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  • Outline of ISDB Systems

    Page(s): 248 - 250
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    Integrated Service Digital Broadcasting (ISDB) is the name of the set of digital broadcasting standards in Japan covering terrestrial, satellite,and cable transmission with common format for multiplexing which enable transmission of high definition television as well as data broadcasting. This paper shows the outline of the standards and the updated service features in Japan. View full abstract»

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  • Transmission System for ISDB-T

    Page(s): 251 - 256
    Save to Project icon | Request Permissions | Click to expandQuick Abstract | PDF file iconPDF (350 KB) |  | HTML iconHTML  

    The Association of Radio Industries and Businesses in Japan decided the specifications for a digital terrestrial broadcasting system called ISDB-T in 1998. The ISDB-T transmission system is recommended in ITU-R Recommendation BT.1306. Planning criteria of the ISDB-T system are recommended in ITU-R Recommendation BT.1368. This paper describes the transmission scheme of the ISDB-T system. First, it explains features of the ISDB-T system. Second, it describes transmission systems such as modulation, error correction, orthogonal frequency division multiplexing framing, transmission and multiplexing configuration control, guard interval, etc. Finally, it concludes discussion of the ISDB-T transmission system and describes transmission parameters used in Japan. View full abstract»

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  • Transmission System for ISDB-T/sub SB/ (Digital Terrestrial Sound Broadcasting)

    Page(s): 257 - 260
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    In the Integrated Services Digital Broadcasting-Terrestrial Sound Broadcasting (ISDB-T/sub SB/)transmission system, a narrow-band orthogonal frequency division multiplexing with one or three segment(s) is adopted. It is robust against multipath interferences in urban radio wave transmission. In addition, it is capable of mobile reception because of time interleaving. A transmission bandwidth of 432 kHz for one segment is narrow enough in order to allocate channels flexibly, and the "connected transmission" scheme, which allows multiple segment transmission with no guard band, is a highly efficient usage of the frequency resource. The ISDB-T/sub SB/ transmission system is consistent with ISDB-T, hence it enables a common receiver for partial reception of ISDB-T, digital television broadcasting. In this paper, the ISDB-T/sub SB/ transmission system,especially the differences from the ISDB-T transmission system, is introduced,and the current status of the ISBD-TSB digital terrestrial sound broadcasting service is shown. View full abstract»

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  • Application of MPEG-2 Systems to Terrestrial ISDB (ISDB-T)

    Page(s): 261 - 268
    Save to Project icon | Request Permissions | Click to expandQuick Abstract | PDF file iconPDF (437 KB) |  | HTML iconHTML  

    NHK has developed the band segmented transmission orthogonal frequency division multiplexing (BST-OFDM) scheme for the transmission system of Integrated Services Digital Broadcasting-Terrestrial (ISDB-T). This scheme provides the great advantages of hierarchical transmission and partial reception. To provide commonality with other systems, the transport signal of ISDB-T adopts the MPEG-2 transport stream (TS). However, TS has been designed for neither hierarchical transmission nor partial reception. Thus, to fulfil the requirements of ISDB-T, the TS has been adapted to provide effective hierarchical transmissions and partial reception. This paper describes the TS generation methods used by the remultiplexer for minimizing receiver processing load. Briefly, they are: 1) a method enabling hierarchical transmission and partial reception of a single TS; 2) a method relating a TS packet to a segment of the OFDM signal; 3) a method for interfacing the remultiplexer with a modulator at a single constant clock; 4) a method for reconstructing a serial TS at receivers from hierarchical transmission signals allotted to layers in parallel by an OFDM multicarrier; and 5) a method for correctly recovering the program clock reference (PCR) at a "partial reception" receiver, even if the TS rate of the receiver is different from that of the transmission side. View full abstract»

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H. Joel Trussell
North Carolina State University