Bluetooth Compatibility Testing

Bluetooth testing is the process of verifying the functionality, performance, compatibility, and compliance of Bluetooth devices and systems. It ensures that a Bluetooth-enabled device operates correctly, meets industry standards, and delivers a seamless user experience. Bluetooth testing is crucial in the development of devices like smartphones, headphones, speakers, wearables, automotive systems, and IoT devices.

Bluetooth compatibility testing is a specific type of testing that ensures a Bluetooth-enabled device works seamlessly with other devices, even if they are made by different manufacturers or use different versions of Bluetooth. It evaluates how well a device can pair, connect, and communicate with a wide range of other Bluetooth devices to provide a consistent and reliable user experience.

Importance of Bluetooth Compatibility Testing:

• Enhanced User Experience: Ensures that users can easily connect and use the device with other products.
• Reduced Support Issues: Identifies and resolves compatibility issues before product launch.
• Market Compliance: Meets industry standards and expectations for interoperability.
• Brand Reputation: Builds trust with consumers by offering reliable and versatile products.

This testing is especially critical for devices marketed to a wide audience, such as audio peripherals, wearables, and IoT devices, where user expectations for seamless connectivity are high.

Bluetooth Test Case Database

The Bluetooth test case database contains many detailed compatibility cases. Test cases have been updated to reflect the new features in the Bluetooth 2.1 specification. Examples of our test case categories are:

Bluetooth Headset Profile

• Audio (Setup, Suspend and Release)
• Audio Gateway with supported Security Levels
• Headset Compatibility (Phone, PC, Laptop, MP3 Player)
• Range
• Call

Discovery

• General, Limited and Non-Discoverable

Performance

• Range Testing
• Validating Distance Requirements

Compatibility

• Handset
• Navigation Systems
• Car Kits

Hands free Profile

• Entering/leaving Handsfree Zone Call in Progress
• Initiate Call with Key Lock Engaged
• Loss of Signal Testing
• Force Message Requiring User Interaction

Traffic Statistics

Obtain a real-time view of traffic totals including characters, frames, errors, characters per second, and percentage utilization through the Statistics Window. Statistics are captured and viewed for three sets of data: the entire session, a capture buffer, user-selectable volume that can be reset at any time. The number of errors that occur when introducing the various ISM Band devices with each of the Bluetooth devices are captured and reported on during the test in order to produce a comparative table that rates devices based on errors.

Real-Time Packet Error Rate analysis
CRC and Header Errors for all 79 RF channels
Performance around other 2.4Ghz devices

Simple Sniffing of Piconet Synchronization

• Slave Inquiry
• Master Inquiry
• Slave Page

Sniffs Serial HCI

• HCI UART (H4)
• Three-Wire UART (H5)
• BCSP (CSR’s BlueCore Serial Protocol)
• Up to 921.6K bps
• Spy Mode Connects Without Cables

Audio Extraction

• Ability to Capture SCO Data and Replay it in a WAV File Format
• Audio Quality Verification

Detailed Decodes

• TCP/IP support comparable to an Ethernet analyzer. Decodes all key Dial-Up Networking and TCP/IP protocols.
• Transports: HCI USB (H2), HCI UART (H4), HCI Three-Wire UART (H5), BCSP.
• Protocols: Baseband, LMP, HCI, L2CAP, SDP, RFCOMM, TCS Binary, OBEX, AVCTP, AVDTP, BNEP, AT Commands, CMTP, HDLC, PPP, TCP/IP.
• Profiles: Audio Visual: A2DP, AVRCP, GAVDP, VCP, VDP. Car: HFP, PBAP, SAP.
• Printing: BIP, BPP, HCRP. Other: CIP, CTP, DUN, FAX, FTP, GOEP, HID, HSP, ICP, LPP, OPP, PAN, SDAP, SPP, SYNCH, UDI.