Methods for transmitting modulated digital broadcast waves

The method of generating a TMCC signal with adjustable storage formats in the transmission path coding unit addresses the challenge of transitioning to UHD digital broadcasting, ensuring compatibility with existing systems and enhancing functionality.

JP2026104904APending Publication Date: 2026-06-25MAXELL LTD
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Patent Information

Application Number
JP2026064393
Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
Filing Date
2026-04-09
Publication Date
2026-06-25

AI Technical Summary

Technical Problem

Existing digital broadcast systems do not effectively support compatibility between current and advanced digital broadcasting services, particularly in transitioning to Ultra High Definition (UHD) while maintaining the viewing environment of existing services.

Method used

A method for transmitting digital broadcast modulated waves using a transmission path coding unit that generates a TMCC signal with adjustable storage formats based on FFT size or OFDM carrier interval, configuring an OFDM frame to include this signal, and transmitting it through a predetermined carrier, ensuring compatibility with existing systems.

Benefits of technology

Enables the transmission and reception of advanced digital broadcasting services with higher functionality while maintaining compatibility with existing systems, allowing for seamless transition to UHD.

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Abstract

This invention provides technology for more effectively transmitting or receiving advanced digital broadcasting services. [Solution] The system includes a signal generation process that generates TMCC signals and AC signals to store transmission parameters, and an OFDM frame configuration process that configures an OFDM frame containing the TMCC signals and AC signals on a predetermined carrier. The signal generation process allows for the selection of a storage format for storing the transmission parameters. The signal generation process selects the storage format based on the FFT size or OFDM carrier interval. The signal generation process generates the TMCC signals and AC signals by applying the selected storage format. The OFDM frame configuration process configures an OFDM frame containing the generated TMCC signals and AC signals.
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