Video Over LTE: Exploring Efficiency in Distribution

Metadata

Publisher: SMPTE — White Plains, NY, USA
Doc Type: Journal Article
Content Type: Original Research
Abbreviated Title: SMPTE Mot. Imag. J
Volume: 125, No. 2, pp. 45–49
Abstract: Interest in Long-Term Evolution (LTE) broadcast technology is increasing rapidly. With consumer desire for “Television (TV) Anywhere” at an all-time high, more and more leading mobile operators globally are trialling the LTE Broadcast technology within their networks to start identifying different use cases and scenarios to explore its business potential. Broadcasting is usually efficient if more than one user is receiving from one transmitter. Rooftop reception enables a wide reach from high-power high-tower transmitters, so that broadcasting is efficient for popular TV programs, particularly if transmitters operate in single-frequency network mode. LTE, including LTE Broadcast, is currently designed to operate on low-power low-tower networks. This paper discusses the spectral efficiency and flexibility of LTE Broadcast, which is only efficient when several devices receive the same content stream. Unicast is much more efficient for less popular, so called “long-tail” content. For times when there is only low interest in a certain part of the network, the infrastructure can stop the broadcast and use the resources for unicast content delivery and the spare resources for mobile broadband. Furthermore, the implications of differences in replacement cycles of fixed TV receivers and mobile devices are discussed. A signal adapted to the high radio signal quality of rooftop antennas should be used for the legacy technologies supporting fixed receivers, whereas a signal adapted to the low radio signal quality typical for mobile reception is required. Thus, it is essential to use the most efficient technologies soon after ratification of the standards. Finally, we outline a potential use of existing rooftop antenna installations for LTE modems that can be used for TV distribution and beyond.
Publication Date: 2016-03-01
DOI: 10.5594/j18688
ISSN: Print: 1545-0279 | Electronic: 2160-2492
Link: https://doi.org/10.5594/j18688
Author(s): Jorg Huschke
bio
Jörg Huschke is a master researcher in the radio protocol research group at Ericsson GmbH, Germany. He is with Ericsson Research at the Ericsson Eurolab since 1997. He has been task leader in European research projects DRiVE and WINNER, where he led the work on estimating the spectrum requirements for the ITU IMT-2000 and IMT.advanced family of systems towards WRC-07. Since 2008, he has been working towards 3GPP standardization of MBMS for LTE and on its performance evaluation. Furthermore, he is active in the EBU Strategic Program Cooperating Terrestrial Networks (mobile subgroup). Since 2016 he is also leading the radio interface team in the German research project KoI on evolved LTE and 5G based wireless communication in factory automation. He received the diploma degree in electrical engineering from the Georg-Simon-Ohm University of Applied Sciences in Nuremberg, Germany in 1993.
Keyword(s): LTE, Hybrid broadcast/broadband, EMBMS, Mobile Broadband
Copyright: © 2016 Society of Motion Picture and Television Engineers, Inc.

Bibliographic Reference(s)

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ITU-T REC H.264 [Active]
ITU-T REC H.265 [Active]

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Jorg Huschke; <cite id="bib-10-5594-j18688">Video Over LTE: Exploring Efficiency in Distribution</cite>, SMPTE Motion Imaging Journal ( Volume: 125, Issue: 2, March 2016); SMPTE, 2016
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