UWB Solution—Digital Key
UWB Distance Location system Vehicle side Project
TC22NI21_UKA and TC22NI21_BNCM are kind of Car front loading UWB digital key products developed by Tianchi Information. It realized the vehicles’ close-range precise spatial perception by using the centimeter level precise ranging capacity of UWB and placing multiple anchors in vehicles to combine with pared keyfob or mobile phone. It realized intelligent control by vehicles spatial perception to judge the key’s location. For example, Non-inductive locking or unlocking(PE)、One-button start(PS)、Active welcome and so on.
The system mainly consists of keyfob/mobile phone(tag), multiple UKA (anchor) and BNCM three parts. The first two parts are responsible for UWB ranging, BNCM realized positioning algorithm and car body CAN communication connecting.
Product Features
- High-precision UWB location
- Anti-relay attack
- Support hardware SE encryption and decryption
- Support CCC3.0 digital key standard
- Support Keyfob、Mobile phone connection
- Support maximum 8pcs UKA
- Support BLE 5.1 standard,Maximum 4-way host connection
- Support PEPS、active welcome light
- Support CAN UDS diagnostic service
- Support FOTA firmware upgrading
- Conform to IATF 16949、APQP、PPAP, etc. quality management processing standards
Product Parameter
CPU UWB:NCJ29D5 ,BLE:CC2642R2
Communication: IEEE 802.14.4z UWB PHY,BLE 5.1
Frequency UWB:6-8.5GHz,BLE:2.402-2.48GHz
Transmission rate 6.8Mbps(BPRF),7.8Mbps(HPRF)
Positional accuracy 10cm
Operating Voltage 9~16V
Operating humidity 5%~95%RH
Operating temperature -40~+105°C
Power consumption Standby current:TBD
Sleep current:TBD
Operating current:TBD
Communication interface CAN x 3:HS/FD,One-way support PNC
Application Field
PEPS
Trunk open
Gate machine access control
Car indoor navigation, location, automatic parking
Biopsy and intrusion detection in Radar mode