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XPLR-AOA-1 and XPLR-AOA-2 explorer kits - User guide

UBX-21004616 - R10

Running system

Page 23 of 27

C1 - Public

The angle events can also be visualized in the s-center

support application using the

“

IoT->Angle

of Arrival

”

tab, as shown in

Figure 17: s-center with Angle of Arrival tab

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Содержание XPLR-AOA-1

Страница 1: ...or evaluating Bluetooth 5 1 direction finding and indoor positioning use cases using Angle of Arrival methodology It serves as a practical guide that explains how the u blox modules and software inclu...

Страница 2: ...the products names logos and designs included in this document Copying reproduction or modification of this document or any part thereof is only permitted with the express written permission of u blox...

Страница 3: ...of Departure AoD 8 3 1 3 Angles of measurement 8 4 XPLR AOA anchor nodes and tags 9 4 1 Introduction 9 4 2 Overview 9 4 3 C211 anchor nodes 10 4 3 1 Overview 10 4 3 2 Connectors 11 4 3 3 Flashing 15...

Страница 4: ...om tag software that advertise Eddystone beacons with appended with Constant Tone Extensions CTE The CTE data is used by C211 application board to calculate the position of the C209 tag XPLR AOA 2 XPL...

Страница 5: ...versions of the XPLR AOA 1 and XPLR AOA 2 hardware kits featured a LED array that indicated the direction towards the C209 tag Due to constraints in component availability later versions of these kit...

Страница 6: ...event is shown in your terminal emulator when the board is ready to accept AT commands and deliver direction finding angle calculation events See also Error Reference source not found 2 2 C209 tag set...

Страница 7: ...wo different methods Angle of Arrival AoA and of Departure AoD In each case protocol specific control information and user data transmitted as Bluetooth Protocol Data Units PDU are appended with direc...

Страница 8: ...ceiver can estimate its position An overview of a system using this method of direction finding is shown in in Figure 4 Figure 4 Angle of Departure AoD system architecture 3 1 3 Angles of measurement...

Страница 9: ...direction finding solutions are comprised of C211 anchor nodes C209 tags as shown in Figure 6 See also Kit includes u blox direction finding solution supports the Angle of Arrival AoA methodology C211...

Страница 10: ...that are used to detect the phase shift for the direction finding in both horizontal and vertical levels C211 also has an LED array in the form of a cross The LEDs indicate the direction of tracked be...

Страница 11: ...has three buttons on one edge of the board RESET Resets reboot the board SW1 Initiates factory reset of the board settings Hold down SW1 during board reset and hold for 10 seconds to trigger a factor...

Страница 12: ...the board and is always powered as long as a power source is connected 5 5V0 5 V supply 6 GND Ground 7 GND Ground 8 VIN External power supply via ODIN W2 J3 1 NC Not connected 2 NC Not connected 3 RX...

Страница 13: ...or wireless communication you need to redirect the TX channel fromthe C211 anchor to EKV ODIN W2 by modifying the jumpers on theJ5 connector as shown in Figure 10 This connects the UART TX pin on the...

Страница 14: ...speed and no flow control and then press the AT Mode button to get back into command mode For more information see the u connectXpress AT commands manual 5 Note that some commands shown above are not...

Страница 15: ...conntype serial connstring COMXX baud 115200 reset As there is no software to boot during the initial startup the NINA B411 module automatically enters the software download mode In future updates of...

Страница 16: ...8N1 Flow control enabled using RTS CTS Having configured the COM port configure the C211 using AT commands The appropriate AT commands for configuring direction finding through the C211 anchor nodes...

Страница 17: ...f Arrival The namespace included in the transmitted Eddystone UID beacon is 0x4E494E412D4234544147 and the instance id is based on the MAC address of the NINA B406 found on the module QR code label Se...

Страница 18: ...tags is different than that supplied on C211anchor nodes and the nrfutil 11 flashing tool is needed to install software via UART and the boot loader u blox C209 tag software can be installed using th...

Страница 19: ...peed is set to 115200 5 Press Update Figure 14 Updating the SW on the C209 board via s center 4 4 2 3 Installing tag software using a debugger C209 tag software can also be installed using a debugger...

Страница 20: ...t so this is optional These commands set up the anchor to track the two tags with the given MAC addresses in the Eddystone name space 6E616D65737061636578 used by the tags The sequence described above...

Страница 21: ...tag is advertising press and hold the button to stop it advertising The onboard RGB LED blinks blue when advertising is enabled 5 3 Restore Eddystone Instance ID All u blox modules are delivered with...

Страница 22: ...l where the advertisement was found The advertisement channel is one of the normal Bluetooth low energy advertisement channels 37 38 or 39 Anchor ID as set by AT UDFCFG tag 4 User defined strings as s...

Страница 23: ...r guide UBX 21004616 R10 Running system Page 23 of 27 C1 Public The angle events can also be visualized in the s center 7 support application using the IoT Angle of Arrival tab as shown in Figure 17 F...

Страница 24: ...ed B Limitations The u connectLocate software 2 0 and higher supports continuous tracking of up to 25 individual tags Tags that do not send any data for more than five seconds are considered idle and...

Страница 25: ...XPLR AOA 1 and XPLR AOA 2 explorer kits User guide UBX 21004616 R10 Appendix Page 25 of 27 C1 Public C C209 schematics...

Страница 26: ...www u blox com en webinar 9 newtmgr download https mynewt apache org latest newtmgr install install_windows html 10 Newt Manager Guide https mynewt apache org latest newtmgr index html 11 https infoce...

Страница 27: ...SI values to UUDF events Corrected information about optimal distance tag anchor Various minor improvements R06 28 Feb 2022 mape Added Quick start guide and link to u connectLocate software Updated fi...

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