Dedicated Return Channel for ATSC 3.0

To support emerging interactive services, a consensus to include an optional, in-band dedicated return channel (DRC) for the next-generation terrestrial broadcast system (ATSC3.0) has been reached. This paper introduces the design of DRC as well as several implementation concerns. First, the network...

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Bibliographic Details
Published in:IEEE transactions on broadcasting 2016-03, Vol.62 (1), p.352-360
Main Authors: He, Dazhi, Ding, Lianghui, Guan, Yunfeng, Yang, Feng, Zhang, Wenjun, Wu, Yiyan
Format: Article
Language:English
Subjects:
Antennas
ATSC 3.0
Dedicated return channel
Digital video broadcasting
Next generation networking
next-generation broadcast
OFDM
Physical layer
Signal to noise ratio
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Summary:To support emerging interactive services, a consensus to include an optional, in-band dedicated return channel (DRC) for the next-generation terrestrial broadcast system (ATSC3.0) has been reached. This paper introduces the design of DRC as well as several implementation concerns. First, the network architecture, link budget, and radiation feature of DRC are described in detail. Then the requirements and detailed design of both the physical layer and the MAC layer of DRC are presented respectively. Meanwhile, the performance of DRC is evaluated and comparisons with typical techniques are carried out in terms of bit error rate, access probability, resource utilization, etc. Furthermore, the cooperation between downlink broadcast and DRC is analyzed.
ISSN:0018-9316
1557-9611
DOI:10.1109/TBC.2015.2511629