ATSC 3.0 Inband Backhaul for SFN Using LDM with Full Backward Compatibility In BMSBxe2x80x992018, the authors presented a paper on using LayeredDivisionMultiplexing (LDM) to deliver inband backhaul of robust mobile services for ATSC 3.0 SingleFrequencyNetowrk (SFN) transmitters and gapfillers 1. Only robust mobile services are backhauled to form an SFN in indoor or isolated environments to extend and improve reception Quality of Experience (QoE) for mobile devices. This paper proposes a complete inband backhaul approach that provides backhaul for both robust mobile and highdatarate fixed services. The proposed solution uses LDM to carry backhaul data alongside broadcast data intended for reception by the public. The system is fully backward compatible with the ATSC 3.0 Next Gen TV service, causing no degradation on consumer service reception. The scheme can greatly reduce broadcastersxe2x80x99 operating costs, while improving service quality xe2x80x93 especially for mobile, handheld and indoor reception. In comparison to OnChannelRepeater (OCR), the proposed system can provide SFN service with flexible emission timing control. The regenerated signals at each transmitter can have high SNR to meet RF spectrum mask requirement and support multihop operation. A multihop backhaul system can form a mash network for reliability (reroute in case of one transmitter failure), and scalability to follow the population and market growth. The proposed system can deliver backhaul not only for SFN broadcast services, but also for nonbroadcast data distribution, such as IoT and connected cars.

ATSC 3.0 and LTE Cooperation for LDM and SHVC Based Mobile Broadcasting This paper presents Advanced Television Systems Committee (ATSC) 3.0 and 4th Generation (4G) LongTerm Evolution (LTE) cooperation trials for highquality and reliable mobile broadcasting services. Given the ATSC 3.0 based Layered Division Multiplexing (LDM) and Scalable High Efficiency Video Codec (SHVC) configuration, which is the most spectralefficient broadcast mode when mobile and fixed services are intended in a single radio frequency (RF) channel, the convergence of broadcast and broadband in the Internet protocol (IP) level is developed and field experimented. Service scenarios in a real field environment includes Base Layer (BL) and Enhancement Layer (EL) switching in a broadcast coverage, switching between broadcast and broadband networks, and hybrid services using both broadcast and broadband networks.