smartmicro UMRR-0A Bedienerhandbuch
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UMRR-0Axxxx Type31 Operational Description.docx Version 1 IPage 1 of 19 IAugust 22, 2013
Project Documentation | UMRR-0A Radar Sensor Documentation
Project Number:
...
SMS Project Number:
Project Title:
General Purpose Radar Sensor
Keyword(s):
UMRR-0A radar sensor, type 31 antenna
Date:
August 22, 2013
Document:
UMRR-0Axxxx Type31 Operational Description.docx
Version:
1
CONFIDENTIAL AND PROPRIETARY
The Information contained in this document shall remain the sole exclusive property of s.m.s smart microwave sensors GmbH and shall not
be disclosed by the recipient to third parties without prior consent of s.m.s smart microwave sensors GmbH in writing.
UMRR-0Axxxx Type31 Operational Description.docx Version 1 IPage 2 of 19 IAugust 22, 2013
1Contents
1Contents.................................................................................................................... 2
2Abbreviations............................................................................................................. 3
3Introduction............................................................................................................... 4
4General description .................................................................................................... 5
4.1 Sensor description................................................................................................ 5
4.2 Transmit Signal.................................................................................................... 6
4.3 General Performance Data.................................................................................... 6
5Hardware .................................................................................................................. 7
5.1 UMRR sensor ....................................................................................................... 7
5.2 Sensor Dimensions............................................................................................... 9
6Cables and connectors.............................................................................................. 11
6.1 Sensor connector ............................................................................................... 11
7Data interfaces ........................................................................................................ 12
7.1 CAN data interface ............................................................................................. 12
7.2 CAN-Settings ..................................................................................................... 12
7.3 RS485 data interface.......................................................................................... 13
7.4 Transceiver schematics....................................................................................... 16
8Designated use ........................................................................................................ 17
9Frequency Approval.................................................................................................. 18
9.1 Declaration of Conformity for USA....................................................................... 18
9.1.1 FCC Label.................................................................................................... 18
9.2 Declaration of Conformity for CANADA ................................................................ 19
9.2.1 Declaration of Conformity in English.............................................................. 19
9.2.2 Déclaration de conformité en francais ........................................................... 19
9.2.3 Industry Canada (IC) Label........................................................................... 19
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UMRR-0Axxxx Type31 Operational Description.docx Version 1 IPage 3 of 19 IAugust 22, 2013
2Abbreviations
ADC Analog-to-digital converter
CAN Controller area network
DAC Digital-to-analog converter
DSP Digital signal processing; digital signal processor
EEPROM Electrically erasable programmable read-only memory
FMCW Frequency modulated continuous wave
MMIC Monolithic microwave integrated circuit
RAM Random access memory
RS485 Physical communication layer standard EIA RS-485
SPI Serial peripheral interface
UMRR Universal medium-range radar
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The Information contained in this document shall remain the sole exclusive property of s.m.s smart microwave sensors GmbH and shall not
be disclosed by the recipient to third parties without prior consent of s.m.s smart microwave sensors GmbH in writing.
UMRR-0Axxxx Type31 Operational Description.docx Version 1 IPage 4 of 19 IAugust 22, 2013
3Introduction
This document is a short documentation of the general purpose universal medium range
radar (UMRR) UMRR-0Axxxx radar sensor with type 31 antenna in the housing version
0306xx.
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The Information contained in this document shall remain the sole exclusive property of s.m.s smart microwave sensors GmbH and shall not
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UMRR-0Axxxx Type31 Operational Description.docx Version 1 IPage 5 of 19 IAugust 22, 2013
4General description
4.1 Sensor description
The main task of the UMRR is the detection of any reflectors in the field of view, to measure
the distance, the relative speed and the angle to the shortest reflector (and to other
reflectors), to detect motion and to track (filter) the results over time.
For this general purpose measurement application, range and relative radial speed and
the angle value of each reflector inside the antenna beam are measured and the results are
reported via the communication links cycle by cycle.
The UMRR sensor consists of two printed circuit boards: The DSP board and the RF
transceiver board.
The major component of the DSP board is the DSP TMS320F28335 which integrates flash
memory (for program code) and RAM. The DSP provides interfaces to external RAM,
EEPROM, CAN bus and RS485 (both for data communication). The DSP controls the RF
transceiver board via an SPI interface.
The RF transceiver board consists of transmit and receive antennae and the RF circuitry that
includes the radar MMIC SC3001.2. The radar MMIC generates the transmit signal and down
converts the receive signals into baseband. The analog baseband signals are then routed to
the DSP board and digitized by the DSP’s built-in ADC. The digital data are further processed
on the DSP.
The MMIC also features a PLL circuitry to calibrate and linearize the transmit frequency
ramps, a DAC for setting the VCO voltage (corresponding to the transmit frequency) and an
SPI interface for receiving the control signals from the DSP.
For the time of emission the device is one fixed point to point application.
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UMRR-0Axxxx Type31 Operational Description.docx Version 1 IPage 6 of 19 IAugust 22, 2013
4.2 Transmit Signal
The UMRR transmit frequency is located in the 24 GHz ISM band (24050 MHz to 24250 MHz),
the used bandwidth is smaller than 200 MHz. The maximum transmit power is 12.7dBm.
Antenna type 31 is used, consisting of one transmit and two receive antennas, both linear
polarized. The 2 way 3 dB cut-off angle in azimuth ±28deg. and in elevation ±5deg.
The device uses different FMCW transmit signal waveforms for distance and speed
measurement.
4.3 General Performance Data
As soon as the device is powered up, the unit (TX and RX) starts operation.
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UMRR-0Axxxx Type31 Operational Description.docx Version 1 IPage 7 of 19 IAugust 22, 2013
5Hardware
5.1 UMRR sensor
An example picture of a UMRR (universal medium-range radar) sensor (housing type 0306xx)
is shown in the figures below.
Figure 1: UMRR sensor, housing type 0306xx, front.
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UMRR-0Axxxx Type31 Operational Description.docx Version 1 IPage 8 of 19 IAugust 22, 2013
Figure 2: UMRR sensor housing 0306xx rear
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UMRR-0Axxxx Type31 Operational Description.docx Version 1 IPage 9 of 19 IAugust 22, 2013
5.2 Sensor Dimensions
All values given in mm.
Figure 3: Sensor Front side.
Figure 4: Sensor Top, Left and Right Side.
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UMRR-0Axxxx Type31 Operational Description.docx Version 1 IPage 10 of 19 IAugust 22, 2013
Figure 5: Sensor Rear Side.
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