TRANSMISSION DEVICE, TRANSMISSION METHOD, RECEPTION DEVICE, AND RECEPTION METHOD

WIPO Patent Application WO/2023/234281

A1

The present disclosure relates to a transmission device, a transmission method, a reception device, and a reception method enabling more appropriate transmission of time information. Provided is a transmission device comprising a generation unit that generates physical layer control information included in a physical layer frame and a transmission unit that transmits the physical layer frame as a broadcast signal to which a layered division multiplexing scheme is applied, a broadcast signal according to a first broadcasting scheme is transmitted in the first layer of the layered division multiplexing scheme, a broadcast signal according to a second broadcasting scheme is transmitted in the second layer of the layered division multiplexing scheme, and first physical layer control information, which is of the physical layer control information and is included in the broadcast signal according to the first broadcasting scheme, includes time information to be used for synchronization processing relating to the broadcast signal according to the second broadcasting scheme. The present disclosure is applicable to, for example, transmission systems that support broadcasting schemes for terrestrial digital television broadcasting.

TAKAHASHI KAZUYUKI (JP)

PCT/JP2023/020015

December 07, 2023

May 30, 2023

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SONY GROUP CORP (JP)

H04J99/00; H04H20/28; H04H40/18; H04L7/00; H04L27/26; H04N21/242; H04N21/43

JP2018046458A	2018-03-22
JP2020191537A	2020-11-26
JP2021141454A	2021-09-16

OKADA, HIROMASA ET AL.: "A Consideration on Improvement of Various Problems in Application of LDM to DTTB", ITE TECHNICAL REPORT, 31 August 2018 (2018-08-31), pages 13 - 16

NISHIKAWA Takashi et al. (JP)

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