【Bluetooth SIG - Damon】蓝牙®频道探测介绍.pdf

1、Bluetooth Channel Sounding IntroductionDamon BarnesDirector of Technical MarketingBluetooth SIG,Inc.New and Upcoming Bluetooth FeaturesChannel SoundingHigh Data ThroughputUltra Low LatencyHIDHigherFrequency Bands219 November 2024|2024 Bluetooth SIG,Inc.Proprietary|Bluetooth Device Positioning Featur

2、esBluetooth Channel Sounding is the most recent addition to a set of Bluetooth positioning features that enable one device to determine the presence,distance,and direction of anotherDistanceRSSI(coarse ranging)Channel Sounding(fine ranging)Presence AdvertisingDirection Direction Finding319 November

3、2024|2024 Bluetooth SIG,Inc.Proprietary|Channel SoundingRSSIDirection FindingAdvertisingFeature purposeDevice distanceDevice distanceDevice directionDevice presencePerformance metric(Line of sight)+/-20 cm of actual(Fine ranging)+/-20%of actual(Coarse ranging)+/-5 degrees+100mBluetooth connectivityC

4、onnection-orientedConnection-orientedConnectionlessConnection-orientedConnectionlessConnectionlessComparing Bluetooth Device Positioning FeaturesA new secure,fine-ranging feature that promises to enhance the convenience,safety,and security of ANY Bluetooth connected device.What is Bluetooth Channel

5、Sounding?Find MyAny device becomes part of a Find My solutionDigital KeySmartphones and watches as your secure digital keyTransformativeAny Bluetooth connected device becomes distance awareSecure,fine ranging between Bluetooth devicesBased on Phase-Based Ranging,a well-proven methodMulti-level secur

6、ity to mitigate wireless ranging attacksBrings true distance awareness to Bluetooth connected devicesBluetooth Channel SoundingEnables“centimeter-level”accuracyEarly implementations achieving+/-20 cm up to 100mX centimetersDistancePhase-based Ranging(PBR)For High-accuracy Distance MeasurementsAn Ini