Combined Time, Frequency and Space Diversity in DVB-NGH

In this paper, we investigate the combined use of time, frequency, and space diversity in DVB-NGH, the next generation mobile broadcasting standard. Compared to current standards like DVB-H or DVB-SH, the largest improvement in next generation systems is expected to be achieved by means of better di...

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Bibliographic Details
Published in:IEEE transactions on broadcasting 2013-12, Vol.59 (4), p.674-684
Main Authors: Gozalvez, David, Gomez-Barquero, David, Vargas, David, Cardona, Narcis
Format: Article
Language:English
Subjects:
Applied sciences
Broadcasting
Broadcasting. Videocommunications. Audiovisual
Digital video broadcasting
Diversity
DVB-H
DVB-NGH
DVB-SH
Exact sciences and technology
Fading channels
Frequency diversity
Information theory
Information, signal and communications theory
MIMO
Miscellaneous
Mobile communication
multiple-input multiple-output
OFDM
Telecommunications
Telecommunications and information theory
Television
time interleaving
Time-frequency analysis
time-frequency slicing
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Summary:In this paper, we investigate the combined use of time, frequency, and space diversity in DVB-NGH, the next generation mobile broadcasting standard. Compared to current standards like DVB-H or DVB-SH, the largest improvement in next generation systems is expected to be achieved by means of better diversity in the time, frequency, and space domains. In this sense, DVB-NGH is the first broadcasting system to exploit the use of diversity in the three domains by incorporating at the physical layer long time interleaving (TI), time-frequency slicing (TFS), and multiple-input multiple-output (MIMO). This paper investigates the gains of using time, frequency, and space diversity in DVB-NGH, as well as the mutual influence between the different types of diversity. To this purpose, we employ an information-theoretic approach based on the outage capacity of the channel in addition to physical layer simulations.
ISSN:0018-9316
1557-9611
DOI:10.1109/TBC.2013.2281665