ATSC 3.0 Pathways to Implementation - in association with IEEE

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18 Sep 2017

ATSC 3.0 pathways to implementation - 1 ATSC 3.0 physical layer in the layman language - 
A complete review of how ATSC 3.0 physical layer works aimed at the non-scientist clientele; this paper will review the basic concepts used in ATSC 3.0 (OFDM, advanced signaling, LDM, etc.) and apply them to a typical ATSC 3.0 transmission system. An extensive use of analogies makes this scientifically sound paper, accessible to managers and engineers of most levels.

ATSC 3.0 pathways to implementation - 2 Mitigation of strong co-channel interference in ATSC 3.0 - ATSC 3.0 can have very robust mobile and handheld reception capabilities, i.e., low system SNR threshold in a range of 0 to 5 dB. The low SNR system can reach much further than that of ATSC 1.0’s SNR = 15 dB coverage contour. Since the repacking plan in North America is based on ATSC 1.0 coverage, there will be large coverage overlapping areas among neighboring co-channel transmitters, where the receivers can receive signals from multiple transmitters, i.e., co-channel interference. The existing terrestrial DTV transmission standards’ in-band pilot structure will experience pilot pattern overlap that results in channel estimation error, which leads to reception failure or severe SNR performance degradation. This paper will discuss co-channel interference mitigation techniques that allow successful reception under strong co-channel environments. All modifications are implemented at the transmitter, there is no change required at the receiver.

ATSC 3.0 pathways to implementation - 3 ATSC 3.0 interference control - In the current spectrum management context, there is no such thing as a free channel; this paper will describe how co and adjacent channel interference can be controlled and placed in strategic locations. Furthermore, this paper will suggest methods to make un-avoidable interference less objectionable to the services users.

Guy Bouchard, Consultant - BSTG Canada
Reza Soleymani, Professor, Electrical & Computer Engineering - Concordia University
Yiyan Wu, Principal Research Scientist - Communications Research Centre
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