RDS/RDS2 Data Broadcasting via V2V Relay in FM Null Points

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Solution Overview

Problem

Existing radio data systems (RDS/RDS2) face limitations in data transmission capacity and fail to receive additional data in areas where FM broadcasts are not receivable, leading to restrictions in displaying related information on GUI screens.

Innovation Solution

A vehicle-based system that transmits and receives RDS/RDS2 data in null points by storing and encoding the data for transmission to other vehicles, using a transceiver, display, memory, and controller to manage communication status and data transmission.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Loss of information

If RDS/RDS2 data is transmitted using FM analog broadcasting, then data broadcasting capability is improved, but reception fails in areas where FM broadcasting is not receivable

Engineering Contradiction:

ImproveRDS/RDS2 data receptionVSAvoidreception reliability in null points

Core Design Contradiction:

Loss of informationVSReliability

Solution Approach 1:

The patent introduces a mediator vehicle equipped with a transceiver that receives RDS/RDS2 data in areas with FM coverage and retransmits it via V2V communication to vehicles in null points. This intermediary system bridges the gap between FM broadcast coverage and null point areas, enabling data reception where traditional FM broadcasting fails.

Inventive Principle:

Principle #24Intermediary (Mediator)

Solution Approach 2:

Vehicles in coverage areas perform preliminary data reception and storage before entering null points. The system pre-loads RDS/RDS2 data while FM signal is available, then utilizes this stored data through V2V communication when the vehicle enters an area where direct FM reception is unavailable, ensuring continuous data availability.

Inventive Principle:

Principle #10Preliminary action

2Loss of information

If V2V communication is used to transmit RDS/RDS2 data in null points, then data availability in poor reception areas is improved, but system complexity increases

Engineering Contradiction:

Improvedata availability in null pointsVSAvoidsystem complexity

Core Design Contradiction:

Loss of informationVSDevice complexity

Solution Approach 1:

The transceiver device is designed with multi-functionality, serving both as an RDS/RDS2 data receiver from FM broadcasts and as a V2V communication transmitter. This universal device consolidates multiple functions into a single component, reducing overall system complexity while enabling data transmission in null points.

Inventive Principle:

Principle #6Universality (Multi-functionality)

Solution Approach 2:

Vehicles automatically detect when they enter null points and autonomously initiate V2V data reception without requiring manual intervention or complex control systems. The system self-manages the transition from FM reception to V2V communication based on signal quality detection, simplifying the operational complexity.

Inventive Principle:

Principle #25Self-service

Data Source

PatentEP4637056A1Apparatus and method for providing data broadcasting

Publication Date: 2025.10.22 HYUNDAI MOBIS CO LTD

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AI summary

According to an embodiment of the present disclosure, a method of controlling an apparatus for providing data broadcasting includes receiving additional data of a radio data system, displaying the received additional data of the radio data system, storing the received additional data of the radio data system, monitoring a communication status, and transmitting the stored additional data of the radio data system according to the monitored communication status.