Demonstration of Distance Measurement based on NXP NCJ29D5D UWB Combined with a Cell Phone

#Consumer Electronics# Published : Sep 26, 2023

By combining the smartphone UWB technology with Smart Car Access application, the smartphone can be transformed into a digital key application with better security and convenience.

 

The solution operation description, the cell phone and BCM-BLE first start to pair and connect, after successful connection BCM-UWB and cell phone UWB for distance measurement, BCM will collect the distance measurement information through the BLE to send the distance data to the cell phone, and then through the cell phone Demo App for the positioning range algorithms, and display the location range of the car body on the cell phone.

 

The smartphone UWB function is demonstrated in the following picture.

smartphone UWB function

►Scene application diagram

Scene application diagram

►Display Board

Display Board

►Solution Block Diagram

Solution Block Diagram

►Core Technology Advantages

ATU provides support for : 

  • - Provide sample software for UWB 3-point positioning algorithm.
  • - Provide software technical consultation

 

►Specifications

Function Description

  • - Handset pairs with BCM successfully and activates Anchors to perform distance measurement.
  • - BCM obtains Anchors range data via CAN Bus.
  • - Anchors range and positioning algorithms are displayed on BCM and cell phone.
  • - Provide technical consultation on UWB range data optimization, distance correction compensation method and three-point positioning algorithm.

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