Scope of TG3
The ATSC 3.0 Technology Standards Group (called TG3) will develop voluntary technical Standards and Recommended Practices for the next-generation digital terrestrial television broadcast system. ATSC 3.0 is likely to be incompatible with current broadcast systems and therefore must provide improvements in performance, functionality and efficiency significant enough to warrant implementation of a non-backwards-compatible system. Interoperability with production systems and non-broadcast distribution systems should be considered.
TG3: Chair - James Kutzner, PBS
Senior Director of Advanced Technology for the Public Broadcasting Service (PBS)
Kutzner previously chaired the ATSC 3.0 Planning Team. At PBS, Kutzner manages engineering and technology projects. An ATSC board member, SMPTE fellow and IEEE member, he is also past vice chairman of the Open Mobile Video Coalition’s Technical Advisory Group.
TG3 Specialist Groups
TG3-S31: System Requirements and Program Management
Chair:Skip Pizzi NAB
Vice-Chair: Ms. Madeleine Noland, Zenith Electronics LLC
The Specialist Group on ATSC 3.0 System Requirements and Program Management (called TG3/S31) will solicit use cases and develop scenarios, and examine them within various industry contexts for the next-generation digital television broadcast system (ATSC 3.0). These scenarios will be used to derive a set of System Requirements and the associated Glossary for ATSC 3.0, which will in turn enable the development of Technical Standards and Recommended Practices for such future service by TG3 and its other subgroups. The group will manage the ongoing development and documentation of these System Requirements and Glossary as appropriate over time.
The group will assist in the review, coordination and consolidation of work within TG3’s other subgroups, including reviewing subgroup output for adherence to the System Requirements, coordinating interdependent deliverables and timelines, assisting in identifying and resolving work overlaps or gaps between groups, drafting outlines and shared sections of documents requiring multiple subgroup input, and other similar tasks as assigned by TG3.
The Specialist Group on System Requirements and Program Management, TG3/S31, is charged with developing Requirements for the ATSC 3.0 system, and coordinating the process of deriving a full ATSC 3.0 standard from components developed by other Specialist Groups in TG3.
After soliciting and collecting use cases for a next-generation television system from around the world, the group extracted a set of 13 “Usage Scenarios” describing the desired attributes of the ATSC 3.0 system. From these Scenarios, the group then developed an initial set of System Requirements.
The group has subsequently moved into a maintenance mode on this front, within which additional Requirements will no longer be actively solicited, although the group will continue to review submissions of new Requirements if any are received. Reevaluation of existing Requirements may be considered during this period, if adequate cause to do so is presented.
Meanwhile, the group is actively coordinating the Requirements’ assignment to and fulfillment by other TG3 Specialist Groups that will develop components of ATSC 3.0 standards under those Requirements’ guidance.
TG3-S32: Specialist Group on Physical Layer for ATSC 3.0
Chair: Luke Fay, Sony
Vice-Chair: Mr. William Hayes, IEEE -- Broadcast Technology Society
The Specialist Group on Physical Layer for ATSC 3.0 (called TG3-S32) will examine, assess, and possibly recommend technical proposal(s) for the physical layer(s) of the next generation digital terrestrial television broadcast system (ATSC 3.0). Interoperability with non-broadcast distribution systems (both traditional and non-traditional) will be considered. The term “television” should not in any way constrain the Specialist Group from considering physical layer technologies, systems and services that may currently fall outside of the traditionally defined boundaries of television broadcasting.
The Specialist Group on Physical Layer for ATSC 3.0, TG3/S32, has completed a Call for Proposals document asking for submissions of technology and/or physical layer systems for a next generation broadcast television (ATSC 3.0) physical layer. Confirmation of requested technology was done with system requirements, developed by S31, pertaining to the physical layer. This document was distributed to the public in March 2013 and detailed proposals are due back by September 27th, 2013.
In the summer of 2013, an ad-hoc group on Common System Elements was formed and chaired by Merrill Weiss. This group is looking at system elements which will be common for fixed and mobile devices and provide some guidance into what a physical layer system can be expected to handle. It will also develop detailed link budgets after the physical layer system is defined by S32.
Current plans are to collect all responses to the Call for Proposals in late September and form a baseline skeleton system (functional blocks) by the end of the year. Also, future ad-hoc groups will be formed to fill in detailed technology of this baseline system based on submitted proposals and participants expertise.
TG3-S33: Specialist Group on Management and Protocols
Chair: Dr. Youngkwon Lim, Samsung Electronics America, Inc.
Vice-Chair: Mr. Charles Lo, Qualcomm, Inc.
Vice-Chair:Ralf Schaefer, Technicolor
The Specialist Group on Management and Protocols (called TG3/S33) will solicit, examine and assess technical proposals and develop Standards and Recommended Practices related to technologies for the management and delivery of ATSC 3.0 services and associated metadata, over terrestrial broadcast channels and, if appropriate, broadband/bi-directional networks, to fulfill the relevant ATSC 3.0 System Requirements.
After successfully finishing initial planning phase by defining its scope and overall development timeline, S33 has spent last several months laying foundations for upcoming technical developments by identifying the list of functional blocks needed to be covered by its work. S33 has identified about a dozen functional blocks related to delivery and management of ATSC 3.0 Services.
To accelerate the developments of technical standards and recommendations, S33 has created three AHGs and allocated several functional blocks to each AHGs. The first AHG will work on functional blocks related to service delivery and synchronization and the second AHG will work on functional blocks related to service announcement and personalization. The third AHG will work on functional blocks related to interactive services and companion screen services.
AHGs have started to associate requirements with each functional block. In the coming months AHGs will start to develop specifications or recommendations either by soliciting contributions from members or by issuing a public CfP.
TG3-S34: Specialist Group on Applications and Presentation for ATSC 3.0
Chair: Mr. Rajan Mehta, NBC
Vice-Chair: Brett Jenkins, LIN Media
Vice-Chair: Ms. Madeleine Noland, Zenith Electronics LLC
The Specialist Group on Applications and Presentation for ATSC 3.0 (called TG3/S34) will solicit, examine and assess technical proposals and develop Standards and Recommended Practices for applications executed on, and for presentation of, the next generation digital terrestrial television broadcast system to fulfill the relevant ATSC 3.0 System Requirements. The Specialist Group will primarily focus on the portion of the ATSC 3.0 platform that defines the user experience. The work may include, but is not limited to, support for codecs, linear TV services, file delivery services, interactive applications, service measurement, service announcement, service and content protection, and other features as defined by system requirements across a multi-device ecosystem.
The Specialist Group on Applications & Presentation, TG3/S34, was formed in March of 2013 and will primarily focus on the portion of the ATSC 3.0 platform that defines the user experience.
Upon the establishment of this Specialist Group, the committee has moved in an expedited fashion in its initial planning process and to establish it’s overall framework. S34 has completed and signed off on the following: it’s scope document, a high-level timeline, the creation of 4 ad hoc committees including the assignment of chair’s to those group’s, drafted a scope document’s for each of the ad-hoc committees, defined a system of functional block’s for the ATSC 3.0 requirements assigned to S34, and the assignment of those requirements to the 4 ad-hoc committees.
The ad hoc committees have begun the process to establish their work plan including a thorough review of the requirements, drafting a detailed project plan, and identifying key dependencies. In the coming months, they will start to develop draft specifications and recommendations by soliciting contributions from members and/or by issuing a call for proposal.