ATSC Broadcast Software Update Targeting
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Solution Overview
Problem
Connected vehicles face high data costs and inefficiencies when receiving software updates via direct cellular connections, and existing broadcast technologies like ATSC 3.0 often transmit data indiscriminately to all vehicles within range, making it difficult to ensure only applicable updates are received by the intended vehicles.
Innovation Solution
A system that uses a processor to determine the applicability of software updates based on vehicle characteristics and instructs an ATSC transmitter to broadcast the updates only to vehicles within a specific range, with feedback mechanisms to adjust broadcast parameters for improved receipt among relevant vehicles.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If direct one-to-one cellular connections are used for software updates, then reliable data transmission is achieved, but data costs increase significantly when distributing to large numbers of vehicles
Solution Approach 1:
The patent combines multiple one-to-one cellular connections into a single one-to-many broadcast connection using ATSC 3.0 technology. The processor receives a software update file image and determines applicability to a predefined plurality of vehicles, then instructs the ATSC transmitter to broadcast the update to all applicable vehicles simultaneously, merging multiple individual transmission channels into one efficient broadcast channel.
2Loss of energy
If ATSC broadcast is used to transmit software updates to multiple vehicles, then data transmission cost is reduced, but irrelevant updates are transmitted to vehicles that do not need them
Solution Approach 1:
The patent applies local quality by including vehicle-specific parameters in the broadcast that allow each vehicle to identify whether the update applies to it. The processor determines applicability based on vehicle characteristics and includes at least one parameter defining the characteristics of vehicles in the broadcast, enabling each receiving vehicle to selectively process only relevant updates.
Solution Approach 2:
The patent performs preliminary action by having the processor determine applicability of the software update to each vehicle before including it in the broadcast. The system pre-filters the update information based on vehicle characteristics, ensuring that only relevant updates are transmitted to specific vehicle groups, thereby avoiding waste of bandwidth on irrelevant data.
3Quantity of substance
If broadcast parameters are adjusted to increase coverage area, then more vehicles can receive the update, but transmission quality and reliability decrease
Solution Approach 1:
The patent applies dynamics by implementing a feedback mechanism that allows the system to dynamically adjust broadcast parameters based on actual reception conditions. The processor receives feedback from one or more vehicles regarding their reception status and, responsive to the feedback, instructs adjustment of broadcast characteristics to increase receipt of the broadcast file image among the plurality of vehicles, optimizing both coverage and quality in real-time.
Data Source
AI summary
A server may receive a software update file image and determine that the software update is applicable to a predefined plurality of vehicles within an ATSC broadcast range, based characteristic of those vehicles compared to applicability requirements associated with the software update. Further, the server may instruct an ATSC transmitter to broadcast a file image of the software update, the broadcast including at least one parameter defining the characteristics of vehicles. The processor is also configured to receive feedback from one or more of the plurality of vehicles receiving the file image and responsive to the feedback, instruct adjustment of a broadcast characteristic to increase receipt of the broadcast file image among the plurality of vehicles.