Multi-role Bluetooth Device Using Multiple SDPs for Versatile Connectivity
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Solution Overview
Problem
Conventional Bluetooth devices are limited in providing multiple services and functions as they can only establish connections based on a single Service Discovery Protocol (SDP), restricting their versatility and convenience in interacting with electronic devices.
Innovation Solution
A multi-role Bluetooth device that stores multiple SDPs, allowing it to select and establish connections based on different protocols, enabling various services and functions such as a headset, human interface device, or remote shutter, by using a control unit and Bluetooth module to manage these connections.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a conventional Bluetooth device uses a single Service Discovery Protocol (SDP) for connection, then the device structure remains simple, but the device can only provide limited services and functions
Solution Approach 1:
The Bluetooth device is designed to support multiple Service Discovery Protocols (SDPs) simultaneously, enabling it to perform multiple functions such as audio streaming, file transfer, and remote control. The device includes multiple protocol processing modules, each capable of handling a specific SDP, allowing it to adapt to different service requirements without needing separate devices for each function.
Solution Approach 2:
The device architecture is segmented into independent protocol processing modules, where each module is responsible for a specific SDP. This segmentation allows the device to selectively activate only the required protocol modules based on the current service demand, thereby managing complexity while maintaining versatility. The control unit coordinates these modular components to ensure proper protocol selection and switching.
2Adaptability or versatility
If a Bluetooth device supports multiple Service Discovery Protocols (SDPs) for providing various services, then the device versatility improves, but the device complexity increases
Solution Approach 1:
A control unit is introduced as an intermediary component that manages the selection and coordination of multiple SDP protocols. The control unit receives connection requests, determines which SDP is appropriate based on the service type, and routes the connection to the corresponding protocol processing module. This intermediary approach simplifies the overall system architecture by centralizing protocol management logic.
Solution Approach 2:
The device employs dynamic protocol selection capability, where the active SDP can be changed based on real-time service requirements. The control unit dynamically switches between different protocol modules during operation, allowing the device to adapt its protocol stack to match the current service demand. This dynamic approach enables versatile service support while maintaining efficient resource utilization.
Data Source
AI summary
The present invention relates to a multi-role Bluetooth device and more particularly to a multi-role Bluetooth handset. The multi-role Bluetooth device stores a plurality of SDPs (Service Discovery Protocols), and establishes Bluetooth connection with an electronic device by one of SDPs. The multi-role Bluetooth device can establish Bluetooth connection with the electronic device by a first SDP, and transmit and/or receive data to the electronic device each other via Bluetooth connection. Furthermore, the multi-role Bluetooth device also can establish Bluetooth connection with the electronic device by a second SDP, and transmit a control signal to the electronic device via Bluetooth connection to control the electronic device to execute particular function thereof.