AN1195: Antenna Array Design Guidelines for Direction Finding

PublishTime：2022-09-23

■In January 2019, the Bluetooth SIG announced support for Angle of Arrival (AoA) and Angle of Departure (AoD) in the Bluetooth 5 specification. AoA and AoD can be usedfor building RF-based real-time locationing systems and applications, based on phase-based angle estimation algorithms. Application use cases for the Internet of Things (IoT) are tracking of assets and people, as well as indoor locationing and wayfinding.
■The purpose of this application note is to provide hardware design guidelines specific to the antenna arrays required for the direction finding implementations
■KEY POINTS
●Describes general direction finding use cases
●Provides general antenna recommendations for a direction finding antenna array
●Details 4x4 antenna array properties and insight into antenna tuning and items which affect the antenna

Brand of Product：	Silicon Labs
Part#：	EFR32 Gecko Series 2 、 EFR32BG22 、 EFR32MG22 、 EFR32 、 EFR32BG24 、 EFR32MG24 More Part#
Product Category：	Antenna Array More
Application：	More
Data Type：	Application note & Design Guide More
Safety & Environment Standards：	More
Operating Temperature：	Please see the document for details
Qualification Grade：	More
Qualification Approval：	More
Package：
Language：	English Chinese Chinese and English Japanese
Date of Creation：	June 2022
Version Number：	Rev. 0.4
Data Encoding：	AN1195
Data Size：	29.4 MB

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