ATSC 3.0 Backward Compatible SFN In-Band Distribution Link and In-Band Inter-Tower Wireless Network for Backhaul, IoT and Datacasting

Date: May 13, 2020
Author Names:
  • Yiyan Wu | Communications Research Centre Canada | Ottawa, Canada
  • Liang Zhang | Communications Research Centre Canada | Ottawa, Canada
  • Wei Li | Communications Research Centre Canada | Ottawa, Canada
  • Sébastien Laflèche | Communications Research Centre Canada | Ottawa, Canada
  • Sung-Ik Park | Electronics and Telecommunications Research Institute | Daejeon, Korea
  • Jae-young Lee | Electronics and Telecommunications Research Institute | Daejeon, Korea
  • Heug-Mook Kim | Electronics and Telecommunications Research Institute | Daejeon, Korea
  • Namho Hur | Electronics and Telecommunications Research Institute | Daejeon, Korea
  • S. Merrill Weiss | Merrill Weiss Group LLC | Metuchen, N.J., U.S.A.
  • Eneko Iradier | University of Basque Country | Bilbao, Spain
  • Pablo Angueira | University of Basque Country | Bilbao, Spain
  • Jon Montalban | University of Basque Country | Bilbao, Spain

Abstract: Last year we proposed an approach for providing ATSC 3.0 Studio-to-Transmitter Link (STL) data delivery for SFN and Gap-Filler operation using in-band backhaul (a.k.a. in-band distribution link) over the air in the 6 MHz broadcast channel. In this paper, we will present detailed analysis of the backhaul issues and implementation considerations. We will also exhibit the field measurement results that support the viability of the in-band backhaul system implementation using full-duplex transmission. We will further present a full duplex Inter-Tower Communication System – a scalable and re-configurable wireless network for SFN broadcasting, in-band inter-tower communications, and IoT/datacasting applications, while backward compatible with the ATSC 3.0. The method uses Layered Division Multiplexing (LDM) transmission to carry STL data alongside broadcast data intended for public reception. The in-band backhaul is able to offer better performance and more robust operation than the on-channel repeater (OCR) technologies. It offers the possibility of delivering backhaul data for future applications over the DTV infrastructure, such as IoT and connected vehicles. It is one enabling technology to achieve convergence of broadcast services with broadband and other wireless services on the DTV spectrum.

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