The differences between traditional Bluetooth and BLE (Bluetooth Low Energy) in Bluetooth BQB certification mainly lie in the following aspects:
Application Scenarios and Functional Requirements
Traditional Bluetooth: Primarily used in scenarios requiring high-speed data transmission for audio, video, and other large data, such as speakers, headphones, and automotive electronics in traditional data transmission industries, focusing on meeting the high-speed and stable data transmission needs between devices, such as the transmission of high-quality audio streams.
BLE: Focuses more on low power consumption, fast connection, and long-range characteristics, suitable for scenarios with stringent power consumption requirements, such as real-time monitoring in healthcare devices and remote control in smart homes, mainly used for transmitting small amounts of sensor data or simple control commands.
Testing and Evaluation Standards
Radio Frequency Consistency Testing
Traditional Bluetooth: The testing focus is on ensuring that the device’s transmission power, receiving sensitivity, frequency offset, modulation characteristics, and other RF indicators meet standards in classic Bluetooth mode, to ensure stable and efficient data transmission within the specified frequency band and transmission rate of traditional Bluetooth.
BLE: Due to the use of different modulation methods and operating frequency bands, the indicators and requirements for its RF consistency testing are also different.BLE focuses more on RF performance in low power mode, such as the accuracy of transmission power, optimization of receiving sensitivity, and anti-interference capability across different frequency bands.
Protocol and Profile Consistency Testing
Traditional Bluetooth: Mainly checks whether the implementation of protocols such as baseband, link management, and L2CAP in the classic Bluetooth protocol stack meets standards, as well as compatibility and interoperability across various Bluetooth profiles.
BLE: Focuses on verifying the implementation of key protocols such as GAP (Generic Access Profile) and GATT (Generic Attribute Profile) in the BLE protocol stack, as well as functionality and performance in specific BLE profiles.
Certification Process and Requirements
Testing Mode: Traditional Bluetooth must enter BQB certification in UTM signaling mode; while BLE must enter DTM mode.
Focus of Testing Items
Traditional Bluetooth: Due to its relatively complex functions and application scenarios, the certification process may require testing more features and characteristics, such as audio quality testing and file transfer testing, to ensure compatibility and interoperability in various traditional Bluetooth application scenarios.
BLE: The certification process is relatively straightforward, focusing on testing aspects such as low power performance, connection stability, and security.
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