WO2004061475A1 - Winkelauflösendes antennensystem - Google Patents
Winkelauflösendes antennensystem Download PDFInfo
- Publication number
- WO2004061475A1 WO2004061475A1 PCT/DE2003/003514 DE0303514W WO2004061475A1 WO 2004061475 A1 WO2004061475 A1 WO 2004061475A1 DE 0303514 W DE0303514 W DE 0303514W WO 2004061475 A1 WO2004061475 A1 WO 2004061475A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- antenna
- radar sensors
- antenna system
- opening width
- receiving
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/87—Combinations of radar systems, e.g. primary radar and secondary radar
- G01S13/878—Combination of several spaced transmitters or receivers of known location for determining the position of a transponder or a reflector
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/24—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the orientation by switching energy from one active radiating element to another, e.g. for beam switching
- H01Q3/247—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the orientation by switching energy from one active radiating element to another, e.g. for beam switching by switching different parts of a primary active element
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
- H01Q3/2682—Time delay steered arrays
- H01Q3/2694—Time delay steered arrays using also variable phase-shifters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S13/06—Systems determining position data of a target
- G01S13/42—Simultaneous measurement of distance and other co-ordinates
- G01S13/426—Scanning radar, e.g. 3D radar
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S13/06—Systems determining position data of a target
- G01S13/42—Simultaneous measurement of distance and other co-ordinates
- G01S13/44—Monopulse radar, i.e. simultaneous lobing
- G01S13/4445—Monopulse radar, i.e. simultaneous lobing amplitude comparisons monopulse, i.e. comparing the echo signals received by an antenna arrangement with overlapping squinted beams
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/93—Radar or analogous systems specially adapted for specific applications for anti-collision purposes
- G01S13/931—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of land vehicles
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S2013/0236—Special technical features
- G01S2013/0245—Radar with phased array antenna
- G01S2013/0254—Active array antenna
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/93—Radar or analogous systems specially adapted for specific applications for anti-collision purposes
- G01S13/931—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of land vehicles
- G01S2013/9321—Velocity regulation, e.g. cruise control
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/93—Radar or analogous systems specially adapted for specific applications for anti-collision purposes
- G01S13/931—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of land vehicles
- G01S2013/9327—Sensor installation details
- G01S2013/93271—Sensor installation details in the front of the vehicles
Definitions
- FIG. 1 shows a radar sensor, each with a transmitting and a receiving antenna column
- Figure 2 shows an antenna characteristic in the azimuth direction for transmission
- Figure 4 shows a target situation with antenna characteristics of three radar sensors without
- FIG. 5 shows the target situation corresponding to FIG. 4 with two radar sensors with switching of the antenna characteristics
- FIG. 7 shows a radar sensor with alignment of the antenna characteristics with a narrower one
- Figure 8 shows the antenna characteristics of two arrays of patch antennas
- Figure 9 shows the formation of a patch antenna array and the signal evaluation.
- FIG. 1 shows a known antenna arrangement, each with a column 1 of four patch exciters for transmitting and a column 2 of four patch exciters for receiving, which is separate therefrom.
- a single patch exciter has an opening angle of approx. 90 °.
- the vertical antenna opening angle (elevation) decreases with the number of antenna elements.
- a vertical opening angle of 30 ° is achieved with the four patch exciters according to FIG. In the horizontal direction (azimuth) nothing changes compared to a single exciter, ie the opening angle is 90 °.
- Antenna characteristics are shown in Figure 2.
- the antenna characteristics for sending and receiving in azimuth are practically the same.
- beamforming can also be carried out in azimuth.
- the antenna diagram can be swiveled if the individual columns are also controlled separately with signals that can be shifted in phase.
- phase shifters 3 with different delay times can be provided per column (FIG. 9, the output signals of which are processed together in the evaluation unit 4 in order to differentiate the angular offset from the received signals of the two radar sensors
- Switching off or switching on antenna columns can also be varied in the antenna diagram or the antenna characteristic.
- FIG. 9 shows two switchable columns, each with four patch exciters.
- FIG. 4 shows the ACC stop-and-go situation with three radar sensors without antenna switching. At least three radar sensors 5, 6 and 7 are required in order to be able to react clearly to two targets with triangulation.
- Lobes ie the antenna characteristics with a narrow beam opening width, are off the sensor axis, ie the central plumb of the two radar sensors, is pivoted towards the center of the vehicle. This increases the range directly in front of the vehicle.
- the antenna columns are switched on or off depending on the application.
- the radar sensors can continue to be the same when additional columns are switched off
- FIG. 6 shows the case with the lobes turned outwards with respect to the narrow beam opening widths.
- This arrangement enables precise detection at the boundaries of the travel tube in the forward as well as in the reverse direction. It is of course also possible to align the narrow antenna lobes in the direction of the sensor axis (FIG. 7).
- the same advantage as described above is achieved by clever selection processes.
- two targets can be clearly assigned (Figure 8).
- the increased antenna gain of the antenna increases the range of the radar sensor.
- switching the antenna characteristics (lobes) enables the radar sensor to be used optimally at close range and in the distance. The antenna characteristics remain constant so that the transmission power does not have to be switched. This might be necessary for approval reasons.
- the receiving antenna consists of an array of individual patches.
- the control of the antenna columns provides information about the mode of operation. Either the signal phases are switched and there is a swiveling antenna lobe, or the columns are switched on and there is a significant change in
- the antenna system according to the invention is advantageously suitable for angular resolution in pulse radar applications in motor vehicle technology, but can also be used advantageously for other applications.
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Radar Systems Or Details Thereof (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP03773562A EP1588190A1 (de) | 2002-12-24 | 2003-10-22 | Winkelauflösendes antennensystem |
JP2004564146A JP2006512578A (ja) | 2002-12-24 | 2003-10-22 | 角度分解能を備えたアンテナシステム |
US10/527,150 US7268722B2 (en) | 2002-12-24 | 2003-10-22 | Angular resolution antenna system |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10261027A DE10261027A1 (de) | 2002-12-24 | 2002-12-24 | Winkelauflösendes Antennensystem |
DE10261027.4 | 2002-12-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004061475A1 true WO2004061475A1 (de) | 2004-07-22 |
Family
ID=32477996
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE2003/003514 WO2004061475A1 (de) | 2002-12-24 | 2003-10-22 | Winkelauflösendes antennensystem |
Country Status (5)
Country | Link |
---|---|
US (1) | US7268722B2 (de) |
EP (1) | EP1588190A1 (de) |
JP (1) | JP2006512578A (de) |
DE (1) | DE10261027A1 (de) |
WO (1) | WO2004061475A1 (de) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1522869A1 (de) * | 2003-10-10 | 2005-04-13 | Valeo Schalter und Sensoren GmbH | Radarsystem mit umschaltbarer Winkelauflösung |
EP1837679A1 (de) | 2006-03-23 | 2007-09-26 | Omron Corporation | Radargerät und Radarverfahren |
JPWO2006030832A1 (ja) * | 2004-09-15 | 2008-05-15 | 松下電器産業株式会社 | 監視装置、周囲監視システム、及び監視制御方法 |
DE102007061738A1 (de) | 2007-12-20 | 2009-06-25 | Robert Bosch Gmbh | Antenne, insbesondere für Radarsignale sowie Verfahren und Verwendung |
EP2073034A3 (de) * | 2007-12-22 | 2010-03-24 | Audi AG | Kraftfahrzeug mit einer Kombination von vorwärtsgerichteten Radaren mit überlappenden Antennenkeulen |
US9035818B2 (en) | 2011-01-25 | 2015-05-19 | Mando Corporation | Detection sensor |
CN111555040A (zh) * | 2019-02-11 | 2020-08-18 | 纬创资通股份有限公司 | 天线系统 |
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---|---|---|---|---|
DE10261027A1 (de) * | 2002-12-24 | 2004-07-08 | Robert Bosch Gmbh | Winkelauflösendes Antennensystem |
DE10352281A1 (de) * | 2003-11-08 | 2005-06-09 | Valeo Schalter Und Sensoren Gmbh | Verfahren zum Betreiben einer Antennenanordnung |
JP2005156337A (ja) * | 2003-11-26 | 2005-06-16 | Hitachi Ltd | 車載用レーダ装置 |
DE102004004492A1 (de) * | 2004-01-29 | 2005-08-18 | Robert Bosch Gmbh | Radarsystem für Kraftfahrzeuge |
US7612706B2 (en) * | 2004-07-16 | 2009-11-03 | Fujitsu Ten Limited | Monopulse radar apparatus and antenna switch |
DE102004043358A1 (de) * | 2004-09-08 | 2006-03-09 | Robert Bosch Gmbh | Vorrichtung zur Regelung der Geschwindigkeit eines Fahrzeugs |
DE102004054466A1 (de) * | 2004-11-11 | 2006-06-08 | Robert Bosch Gmbh | Radarsystem insbesondere zur Entfernungs- und/oder Geschwindigkeitsmessung |
DE102004059915A1 (de) * | 2004-12-13 | 2006-06-14 | Robert Bosch Gmbh | Radarsystem |
DE102005023432A1 (de) * | 2005-05-20 | 2006-11-30 | Valeo Schalter Und Sensoren Gmbh | Kraftfahrzeug-Radarsystem und Verfahren zum Betrieb eines Kraftfahrzeug-Radarsystems |
US7474262B2 (en) | 2005-07-01 | 2009-01-06 | Delphi Technologies, Inc. | Digital beamforming for an electronically scanned radar system |
DE102006049879B4 (de) * | 2006-10-23 | 2021-02-18 | Robert Bosch Gmbh | Radarsystem für Kraftfahrzeuge |
US7755533B2 (en) * | 2006-11-01 | 2010-07-13 | Imsar Llc | Interferometric switched beam radar apparatus and method |
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- 2003-10-22 JP JP2004564146A patent/JP2006512578A/ja active Pending
- 2003-10-22 US US10/527,150 patent/US7268722B2/en not_active Expired - Fee Related
- 2003-10-22 WO PCT/DE2003/003514 patent/WO2004061475A1/de active Application Filing
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Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1522869A1 (de) * | 2003-10-10 | 2005-04-13 | Valeo Schalter und Sensoren GmbH | Radarsystem mit umschaltbarer Winkelauflösung |
US7081847B2 (en) | 2003-10-10 | 2006-07-25 | Valeo Schalter Und Sensoren | Radar system with switchable angular resolution |
JPWO2006030832A1 (ja) * | 2004-09-15 | 2008-05-15 | 松下電器産業株式会社 | 監視装置、周囲監視システム、及び監視制御方法 |
EP1837679A1 (de) | 2006-03-23 | 2007-09-26 | Omron Corporation | Radargerät und Radarverfahren |
US7548182B2 (en) | 2006-03-23 | 2009-06-16 | Omron Corporation | Radar device and radar method |
DE102007061738A1 (de) | 2007-12-20 | 2009-06-25 | Robert Bosch Gmbh | Antenne, insbesondere für Radarsignale sowie Verfahren und Verwendung |
EP2073034A3 (de) * | 2007-12-22 | 2010-03-24 | Audi AG | Kraftfahrzeug mit einer Kombination von vorwärtsgerichteten Radaren mit überlappenden Antennenkeulen |
US9035818B2 (en) | 2011-01-25 | 2015-05-19 | Mando Corporation | Detection sensor |
CN111555040A (zh) * | 2019-02-11 | 2020-08-18 | 纬创资通股份有限公司 | 天线系统 |
Also Published As
Publication number | Publication date |
---|---|
EP1588190A1 (de) | 2005-10-26 |
US7268722B2 (en) | 2007-09-11 |
US20060164294A1 (en) | 2006-07-27 |
DE10261027A1 (de) | 2004-07-08 |
JP2006512578A (ja) | 2006-04-13 |
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