Hella GmbH &
Co. KGaA
59552 Lippstadt
Subject:
RS 5.5 – Advanced driver assistance system – User’s Guide
Date: 2021-07-30
No.:
Page 4 of 8
Signed by:
Checked by:
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Copyright Protection: Confidential - ISO 16016
2
System Architecture
The system consists of two or more radar sensor units which are mounted in the front or rear corners of
a vehicle or on the left and right sides of a vehicle so that the respective peripheral sectors of the vehicle
can be observed.
The units interchange data between each other and the vehicle via the sensor CAN-bus.
All units incorporate an RF part and a microcontroller to perform the radar signal processing.
Block diagram of example system architecture.
Technical Data
Supply voltage
+9 V … +18 V
Power consumption
typ. 3.7 W
Operating frequency range
76000 MHz ... 77000 MHz
Modulation bandwidth
< 1000 MHz
Modulation
FMCW (fast chirps)
Rated Antenna feed power
10 dBm (peak)
Conducted antenna power
6.6 dBm
Rated Maximum Output Power
(EIRP average)
25 dBm
Rated Maximum Output Power
(EIRP peak)
30 dBm
Antenna type
Microstrip patch array
Transmit antenna gains
Mode a = approx. 15 dBi
Mode b = approx. 20 dBi
Operating temperature range
-40°C ... +85°C
