Bicycle BLE Payload Protocol for Flexible Component Communication
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Solution Overview
Problem
Conventional use of Bluetooth Low Energy (BLE) in bicycle electronic systems becomes inflexible and inadequate as the complexity and data volume increase, necessitating more flexible and efficient communication methods.
Innovation Solution
Implementing a higher-level communication protocol, referred to as the 'Upper protocol', which defines a unique data structure and payload format for data exchange among bicycle electronic system components, utilizing Bluetooth Low Energy (BLE) for wireless communication while supporting multiple networks and protocols, ensuring unambiguous data interpretation and efficient data transmission.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Use of energy by moving object
If Bluetooth Low Energy (BLE) is used for wireless communication among bicycle system components, then energy consumption is reduced and simple data transfers are enabled, but flexibility and adequacy deteriorate as system complexity and data volume increase
Solution Approach 1:
The communication system is segmented into multiple protocol layers: a lower-level transport layer handling wireless communication and a higher-level application layer handling data interpretation. This segmentation allows BLE to handle simple transmissions while the upper protocol layer manages complex data structures, resolving the contradiction between energy efficiency and flexibility.
Solution Approach 2:
The communication system implements multi-functionality by supporting both simple BLE communication for basic data transfers and a comprehensive upper protocol for complex, structured data exchange. This universal approach allows the system to adapt to varying communication needs without sacrificing energy efficiency or flexibility.
2Device complexity
If conventional BLE communication is used in bicycle electronic systems, then implementation is simple and energy efficient, but communication adequacy and flexibility worsen as data volume and system complexity grow
Solution Approach 1:
The solution adds another dimension to the communication architecture by introducing a hierarchical structure with multiple protocol layers. The lower layer maintains simple BLE implementation while the upper layer adds dimensional complexity for handling structured data, effectively resolving the contradiction between implementation simplicity and communication adequacy.
3Reliability
If data transmission accuracy and speed are increased for safety-critical commands, then communication reliability improves, but system complexity and data processing requirements increase
Solution Approach 1:
The upper protocol defines specific parameter changes in data structure organization, using standardized fields and formats that enable reliable interpretation of safety-critical commands. This structured approach improves communication accuracy while keeping processing complexity manageable through consistent data formats.
Data Source
AI summary
A bicycle-implemented transmission method is applied in a transmitter electronic component of a bicycle electronic system. The system includes at least one receiver electronic component, each system component having zero or more pieces of information attributable thereto and candidate to communication within the system. Each of the attributable pieces of information includes an identifier which is unique in the bicycle electronic system. According to the method, basic-payloads, each containing at least the unique identifier of a respective one of the attributable pieces of information, are formed and grouped together in a payload. The payload is then sent to the at least one receiver electronic component as value of a characteristic of a Bluetooth Low Energy (BLE) service.