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DVBSCENE Issue Issue No. 37 DVBSCENE March 2011 The Technology Update from DVB www.dvb.org ”DRAMATICALLY BETTER THAN ANY OTHER DIGITAL TERRESTRIAL TRANSMISSION SYSTEM” ”DATA RATES THAT ARE ”PUSHING THE BOUNDARIES OF ”REMARKABLE 50% GREATER” TECHNOLOGY” SUCCESS STORY” GLOBAL SMASH HIT STARRING: ROTATED CONSTELLATIONS • MULTIPLE PHYSICAL LAYER PIPES • ALAMOUTI CODING EXTENDED INTERLEAVING • FUTURE EXTENSION FRAMES Semiconductor solutions for 2nd The Road to DVB-T2 DVB-T2 04 2nd Generation DVB Interactive generation DVB receivers in Southern Africa in Finland Satellite System 06 DVB-T2 Hybrid Solution 12 DVB-3DTV Specification Approval 13 Analysis 14 Market Watch 05 08 11 Analog & Digital RF-Solutions Celebrating 25 Years Optimize your Satellite Communications ... WORK Microwave‘s portfolio of Modems, Modulators and Demodulators off er technologically leading solutions based on our 25 year history in sophisticated RF design and signal processing capability. Complete implementation of DVB-S2 standards including the most effi cient features such as multistream, adaptive coding and modulation for highest bandwidth effi ciency, generic stream encapsulation and the higher modulation schemes 16APSK and 32APSK make our products ideal for optimizing satellite communications for ground stations or portable applications. ... Modems, Modulators and Demodulators Reliability Innovation Selection 3 year warranty & Industry leading Numerous options and ongoing technical bandwidth effi ciency confi gurations for both support video and IP transmis- sions www.work-microwave.de [email protected] A Look Ahead A Word From DVB At the beginning of a new year we tend north, down to the Republic of South to look forward to new things ahead and Africa, recommended DVB-T2 to its back to the things we have achieved. member states. Already, following this 2010 was another busy year for DVB. recommendation the governments in Altogether 33 DVB documents were South Africa as well as in Mozambique processed and published by ETSI which have adopted DVB-T2 as their digital is the highest number ever. Of these terrestrial system. In addition to Africa, 33 documents about 30% are new Australia as well as countries in Asia specifications including, for example, the including India, Sri Lanka and Singapore 2nd generation cable specification and have registered a big interest in this new Peter Siebert corresponding guidelines document. The technology. Executive Director remaining 70% are revised versions of After having been so successful in already existing DVB documents where 2010 what is in store for the future? revolutionize the way video, as well data, the reasons for the updates are typically 2011 will see a new standard for mobile is delivered via cable systems. We will market requests for new features. In broadcast which will build on the also see additional deployments and addition to face to face meetings, a performance and flexibility of DVB-T2. growth for T2. significant amount of this work has been The DVB group working on the 2nd So, right now, it looks as though done in telephone conferences, thus generation return channel via satellite 2011 will be an equally as busy and saving travel costs and reducing carbon specification will deliver a complete set successful year for DVB as 2010. But, emissions. The DVB Project Office is of standards from the physical up to the will we be able to continue this trend supporting this initiative by providing systems layer. As I write, the Technical forever? The answer is of course open. the necessary infrastructure for telephone Module has adopted the specification But even when the standardization conferences and web meetings. for frame compatible 3DTV, including activities of DVB may one day slow 2010 has also been a successful year the necessary extensions for 3D subtitles. down we should not forget that DVB is for the adoption of our specifications, Work on the commercial requirements about more than standardization. We are especially DVB-T2. By all accounts for a second phase of 3DTV has just also a forum bringing together all major the market introduction of Freeview started and we anticipate that there will players in the broadcast industry such HD, which is based on T2, has been be a lot of activity around the further as broadcasters, manufacturers, network a success. In addition to the UK, development of 3DTV. Furthermore, operators and regulators. Furthermore, Finland and Sweden have started to 2011 will bring us a new version of the we facilitate the introduction of new roll out T2 services. Following this DVB Measurement Guidelines covering services and technology. Finally, we momentum the consumer electronics the necessary measurements for the also serve as an interface between the industry is providing the necessary 2nd generation broadcast standards. In broadcast community and research receiver equipment at attractive prices. addition, I’m sure there will be other institutions as well as the European DVB-T2 has also been successful outside developments in the pipeline. Commission. As such DVB will of Europe. After an intensive phase of Looking at the deployment of our continue to play an important role for its analysis, the South African Development technology, we will most likely see the members as well as for everybody relying Community representing 15 member first DVB-C2 consumer receiver in on our technology. states in Southern Africa, from the 2011. I am positive that DVB-C2, like Democratic Republic of Congo in the its two older siblings S2 and T2, will Published by the DVB Project Office, The views expressed in this newsletter are those c/o European Broadcasting Union, of the individual DVB members or guests and 17a Ancienne Route, are not necessarily the views of the DVB Project New Standards CH-1218 Grand Saconnex, Switzerland. Office or Steering Board. Editors: William Daly, Harold Bergin DVB, the DVB logo marks, MHP and the MHP logo TS 101 162 Ver. 1.3.1: Allocation of identifiers and codes for Digital Video Broadcasting (DVB) Editorial & Advertising enquiries to: WHD PR are registered trademarks of the DVB Project. systems (09/12/10) Email: [email protected] Certain other product names, brand names Telephone: +44 (0)20 7799 3100 and company names may be trademarks or TS 101 211 Ver. 1.10.1: Guidelines on designations of their respective owners. implementation and usage of Service Information All rights reserved. No part of this publication (SI) (09/12/10) may be reproduced without prior consent of the To obtain extra copies of DVB SCENE please TS 102 773 Ver. 1.2.1: Modulator Interface (T2-MI) publisher. All content correct at time of printing. contact [email protected]. for a second generation digital terrestrial © DVB SCENE 2011. Printed by New Goff n.v. television broadcasting system (DVB-T2)(09/12/10) www.dvb.org www.mhp.org TS 102 584 Ver. 1.2.1: DVB-SH Implementation www.dvbworld.org www.dvbservices.com Guidelines (21/01/11) To subscribe to DVB SCENE free of charge visit: www.dvb.org /subscribe DVB SCENE | March 2011 3 • Continuous Carrier return link option in adaptive or variable mode (ACM/VCM) A New Powerful Platform will be lifted from RCS+M to DVB-ISS. It is adapted to low rates with a coding scheme based on shorter 4k blocks. 2nd Generation DVB Interactive Satellite System • Random Access option for traffic, based on slotted aloha burst replicas using a specific transmission scheme will, since Dr. Harald Skinnemoen, Chairman TM-RCS not required to request capacity in advance, be more responsive with less delay for Abstract and Background intermittent data transfer. With state-of-the art technology giving Main 2nd Generation Enhancements • Configurable waveform characteristics substantial enhancements over 1st Include: for adaptation to different applications. generation DVB-RCS, the 2nd generation • Adaptive Coding & Modulation Normative reference waveforms for DVB interactive satellite system (DVB- (ACM), optimizes performance to the interoperability. Balanced use of preamble, ISS1) was completed in January 2011. available capacity rather than worst case postamble and pilots allows balanced DVB-ISS is natively developed for IP scenario. It provides significant increase decoder synchronization and payload services, and is specified for interactive in capacity/availability. Forward link is decoding sensitivity. satellite services in several market DVB-S2, and return link modulation • GSE with strengthened integrity control. segments. The formal ETSI specifications schemes are CPM, QPSK, 8PSK and Return link packet encapsulation (RLE) are “Second Generation DVB Interactive 16QAM. Per timeslot, ACM configuration is an adaptation of GSE. IP packets are Satellite Services” - allows more granular and flexible just-in- fragmented just in time so fragments fit Part 1 - “Overview and System Level time timeslot adaptation. exactly onto remaining varying size free Specification”, TS 101 545-1 (DVB-ISS-OSL) • Continuous Phase Modulation space transmission payloads, without Part 2 - “Lower Layers for Satellite (CPM) may result in lower-cost terminals, intermediate fixed ATM or MPEG TS Standard”, EN 101 545-2 (DVB-ISS-LLS) since CPM tolerates non-linear signals frame layer. Part 3 - “Higher Layers for Satellite and cheaper amplifiers. Savings depend on • Power headroom reporting supports an Specification”, TS 101 545-3 (DVB-ISS-HLS) production volume, specific designs and optional control mode aiming for constant Part 4 will come later and includes the references. DVB-ISS terminals support power spectrum density over carriers of guidelines for implementation and use both modulation types. TM-RCS Study different BW as an alternative to control the (DVB-ISS-GIU). Group found comparable QAM/CPM EIRP. Following substantial efforts from key performance up to about 1.5 b/s/Hz with • Improved security, not handled as one players, DVB-ISS forms a flexible basis for optimum working point and stable specific technology, but as a careful review modern interactive satellite services in amplifier. Instabilities make CPM of all technologies and overall architecture. these times when the industry increasingly relatively better.
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