EP3619552A1 - Funkempfänger für positionsbestimmungssysteme - Google Patents
Funkempfänger für positionsbestimmungssystemeInfo
- Publication number
- EP3619552A1 EP3619552A1 EP18721305.3A EP18721305A EP3619552A1 EP 3619552 A1 EP3619552 A1 EP 3619552A1 EP 18721305 A EP18721305 A EP 18721305A EP 3619552 A1 EP3619552 A1 EP 3619552A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- radio
- signal
- antenna
- signals
- receiver
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 230000035945 sensitivity Effects 0.000 claims abstract description 25
- 230000001419 dependent effect Effects 0.000 claims abstract description 17
- 230000010287 polarization Effects 0.000 claims description 43
- 238000000034 method Methods 0.000 claims description 13
- 230000008569 process Effects 0.000 claims description 13
- 230000001360 synchronised effect Effects 0.000 claims description 10
- 230000003321 amplification Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 5
- 238000003199 nucleic acid amplification method Methods 0.000 description 5
- 239000004020 conductor Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000011144 upstream manufacturing Methods 0.000 description 3
- 230000005684 electric field Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
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
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/13—Receivers
- G01S19/22—Multipath-related issues
-
- 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
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/13—Receivers
- G01S19/35—Constructional details or hardware or software details of the signal processing chain
-
- 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
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/13—Receivers
- G01S19/35—Constructional details or hardware or software details of the signal processing chain
- G01S19/36—Constructional details or hardware or software details of the signal processing chain relating to the receiver frond end
-
- 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
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/38—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
- G01S19/39—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/42—Determining position
- G01S19/428—Determining position using multipath or indirect path propagation signals in position determination
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C21/00—Systems for transmitting the position of an object with respect to a predetermined reference system, e.g. tele-autographic system
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/24—Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/24—Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
- H01Q21/245—Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction provided with means for varying the polarisation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
- H01Q25/001—Crossed polarisation dual antennas
Definitions
- the present disclosure relates to a radio receiver for receiving radio signals from at least one positioning system, in particular a global navigation system, for local position determination.
- Radio receivers for positioning systems are designed to receive radio signals from transmitting stations, for example satellites. Using triangulation, the radio receiver can determine its position in three-dimensional space with a sufficiently large number of received radio signals. In particular, in the vicinity of buildings or other obstacles, however, it is possible that the signal path of the radio signals is not a direct path between transmitting station and radio receiver, but that the radio signals are scattered and / or reflected at obstacles. If this is not recognized by the radio receiver, there is the disadvantage of an inaccurate and / or erroneous position determination of the radio receiver.
- the disclosure relates to a radio receiver for receiving radio signals from at least one positioning system having a receiving device having an antenna arrangement, the antenna arrangement comprising at least one radio signal antenna for receiving radio signals and a first feed element and a second feed element, wherein the first a ⁇ feeding element and the second feed element under ⁇ zziliche polarization dependent sensitivities aufwei- sen, wherein the antenna assembly includes a first radio signal line and a second radio signal line, wherein the first radio signal line is formed, a signal received by the antenna array radio signal as a first radio received signal be ⁇ riding see and wherein the second radio signal line is configured to provide a further radio signal received by the antenna arrangement as a second radio reception signal and a signal ver A working device configured to determine a position of the radio receiver based on the first radio reception signal and the second radio reception signal.
- the first radio signal line may be connected downstream of the first feed element and the second radio signal line may be the be connected downstream of the second feed element.
- the respective radio signal line can be electrically connected to the respective feed element via a plug connection.
- the electrical connection between the respective radio signal line and the feed element may be a solder joint.
- the respective Funksig ⁇ naltechnisch may be integrated into the respective feed element.
- the position determination system may be a global navigation system, which may have a plurality of transmitting stations.
- the positioning system can both satellite-based and in particular a global Navigationssatel ⁇ lite system (GNSS), for example, be the Global Positioning System (GPS) or the Galileo system.
- GNSS global Navigationssatel ⁇ lite system
- GPS Global Positioning System
- Galileo Galileo
- the accuracy of the position determination by the radio receiver by means of the positioning system can be advantageously increased by a distinction of the received radio signals in directly received and indirectly received radio signals.
- Directly received radio signals can thereby be excellent, that there are no obstructions between a transmitting station of the position determination ⁇ system and the radio receiver, which may significantly affect a signal transmitted from the transmitting station radio signal.
- Indirectly received radio signals may be distinguished in that there is at least one obstacle between a transmitting station of the positioning system and the radio receiver which can significantly influence the radio signal transmitted by the transmitting station.
- a significant influencing of the radio signal can be due in particular to scattering and / or reflection at one or more surfaces of the obstacle, so that the radio signal can be changed, for example, in its polarization.
- the radio signal can be a high-frequency signal which can be reflected and / or scattered on surfaces of buildings. Scattered and / or reflected radio signals can be superimposed on the radio receiver with direct radio signals.
- the radio receiver according to the invention can be designed to separate the superimposed radio signals.
- the radio receiver can be configured to distinguish the reception of exclusively directly received radio signals, the reception of exclusively indirectly received radio signals and / or the reception of both directly and indirectly received radio signals.
- the antenna arrangement of the radio receiver may have in particular for differently polarized radio signals of different receiving sensitivities, so that an antenna information with the polarization dependent reception sensitivity of the at least one radio signal antenna of the transformants ⁇ antenna array may be provided.
- the radio receiver can determine the polarization and / or polarization components of the originally received radio signal and determine whether the received radio signal was transmitted directly or indirectly.
- the antenna arrangement may comprise a plurality of physically separate radio signal antennas and / or at least one multiply fed antenna, wherein the radio signal lines, which may be coupled to the radio signal antennas, may be formed as waveguides, in particular as coaxial waveguides or as planar waveguides.
- the first radio signal line and the second radio signal line are coupled to the at least one Funksig ⁇ nalantenne.
- the antenna may have a plurality of different, polarization-dependent reception sensitivities, which may each be provided via a separate feed element.
- the antenna may have different reception sensitivities for differently circularly, elliptically and / or linearly polarized radio signals.
- Radio signals may induce in an electrical conductor of the antenna an electrical current which may be provided as a radio reception signal of the signal processing device.
- the antenna arrangement comprises a further radio signal antenna, wherein the first radio signal line is coupled to the first radio signal antenna, and wherein the second radio signal line is coupled to the second radio signal antenna.
- the receiving sensitivity of a radio signal antenna may be determined by the geometric shape and / or the interconnection of electrical conductors within the radio signal antenna.
- different reception sensitivities can be realized, wherein the respective radio signals can be provided via a separate radio reception line as a radio reception signal of the signal processing device.
- the separate radio signal antennas may have different directional reception sensitivities.
- the signal processing device ⁇ are provided information on the reception characteristic of the radio signal antennas. In particular signal amplification, polarization dependence, directional dependence and Frequency range of the radio signal antenna may be relevant Para ⁇ meter for further processing of the received radio signals by the signal processing apparatus.
- the signal processing device of the receiving device is connected downstream and the signal processing device is supplied via the first radio signal line, the first radio reception signal and supplied via the second radio ⁇ signal line, the second radio reception signal.
- each radio reception signal that a particular Funksig ⁇ nalantenne may be associated with a specific polarization dependent reception sensitivity.
- the signal processing device on an antenna information about the polarization dependent reception sensitivity of the first feed element and the second feed element, in order to determine with the first radio received signal and the second radio received signal, the polarization or polarization components of a first of the feed element and the second feed element emp ⁇ captured radio signal.
- the first and second radio signal line may be electrical, in particular coxial or planar conductors.
- the Funksig ⁇ nalantenne the antenna arrangement can convert the radio signal into a radio signal reception. It may be necessary for the signal processing device to be provided with antenna information which has at least the polarization-dependent reception sensitivities of the radio signal antenna. With a radio signal antenna having at least two different ⁇ Liche polarization dependent reception sensitivities for radio signals and at least two radio signal lines which are assigned to the different reception sensitivities, the original polarization and / or corresponding polarization components of a received radio signal can be determined by the signal processing device.
- the signal processing device is configured to use the antenna information to process the first radio reception signal and the second radio reception signal to discriminate whether the received radio signals were reflected and / or scattered prior to reception by the reception device.
- the radio receiver With the antenna information of Signal kausvor- direction may be known the respective polarization dependent Empfangsemp ⁇ sensitivity of the antenna elements. If the radio receiver knows which polarization a radio signal has when transmitting through the transmitting station, the radio receiver can process the radio reception signals based on this information to distinguish whether the received radio signals were reflected and / or scattered before being received by the receiving device. This is possible because the polarization of a radio signal may change due to scattering and / or reflection.
- the signal processing device is configured to split the first radio reception signal and the second radio reception signal into a plurality of digital signals and to perform a time-of-flight calculation of the plurality of digital signals to obtain position information of the radio receiver.
- the first and second radio received signal may be high-frequency ⁇ signals which can be transmitted with a carrier signal having a frequency ranging from 0.1 GHz to 10 GHz, in particular with a frequency of 1:57 GHz.
- the carrier signal of the radio reception signals is replaced with a low ⁇ frequenteres carrier signal so that the Fre ⁇ frequency range, which occupy the radio receiving signals can be moved as a frequency block in frequency.
- the low-frequency carrier signal may have a frequency in the range of 0 MHz to 15 MHz.
- Each of the first and second radio reception signals may be composed of a plurality of radio signals which may be transmitted from a plurality of transmission stations.
- the intermediate signal processor may be configured to discretize and separate this plurality of radio signals.
- the radio signals can be separated, in particular with regard to the different transmitting stations.
- This discretization and disconnection of the radio reception signals can be carried out in particular by From ⁇ shift keying and / or correlation with the code division multiple access spreading codes of the broadcasting stations, in particular the positioning system satellites.
- the signal processing apparatus may perform a pseudo-orange calculation, thereby calculating a provisional position of the radio receiver.
- the pseudorange calculation can be realized in particular by a baseband processor.
- the signal processing device is formed by a temporal shift of individual di ⁇ digital signals of the plurality of digital signals from the Position information to generate a final position information.
- the signal processing device is configured to process the first radio reception signal and the second radio reception signal synchronously.
- the antenna arrangement may comprise a plurality of radio signal antennas and / or the respective radio signal antenna may comprise a plurality of antenna elements which may provide the signal processing device with a plurality of radio reception signals.
- the signal processing device may be configured to process the plurality of radio reception signals in synchronism.
- the synchronization of the processing of the radio reception signals in the signal processing device has the advantage that the presence of indirectly received radio signals and the influence of the indirectly received radio signals on the position determination can be detected efficiently.
- the signal ⁇ term of the received radio signals may be different, which may be obtained by the synchronous processing of the received radio signals, this signal propagation time difference to process the time difference at a later time.
- the radio receiver further comprises a signal processor, in particular a Hochfrequenzsignalpro ⁇ processor, which is connected upstream of the antenna array and the signal processing device, wherein the signal processor is adapted to process the first radio reception signal and the second radio reception signal synchronously to the first radio reception signal and the second radio reception signal filtered and amplified supply the signal processing device.
- a signal processor in particular a Hochfrequenzsignalpro ⁇ processor, which is connected upstream of the antenna array and the signal processing device, wherein the signal processor is adapted to process the first radio reception signal and the second radio reception signal synchronously to the first radio reception signal and the second radio reception signal filtered and amplified supply the signal processing device.
- an intermediate frequency signal processor is connected downstream of the signal processor and connected upstream of the signal processing device configured to process the first radio reception signal and the second radio reception signal to frequency shift the particular radio reception signal and the second radio reception signal, in particular downsample and into a plurality of digital signals before the majority of the digital signals are fed to the signal processing device.
- the signal processor and the intermediate frequency signal processor are integrated into the signal processing device.
- the signal processing device may comprise a software defined radio, which may be connected downstream of the signal processor and may realize the correlation of the radio reception signals and the pseudo orange calculation in a software program.
- the software defined radio can replace the intermediate frequency signal processor.
- each of a separate Sig ⁇ nalvonor and each represents a separate insectsfrequenzsig ⁇ nalvonor is provided for the first radio received signal and for the second radio received signal, wherein the processing of the first radio received signal and the second radio received signal by the separate signal processors and the processing of the first radio received signal and the second radio receive signal is synchronized by the separate intermediate signal processors.
- the signal processing device is configured to measure the signal strength of the first radio reception signal and the second radio reception signal.
- the measured signal strength of the radio received signals can be processed based on the antenna information through the Signalverarbei ⁇ processing device to determine the original polarization and / or polarization components of the received radio signals.
- the antenna arrangement has a multiply fed antenna, which is designed to receive a plurality of radio signals with divergent polarizations and to provide the signal processing device with a plurality of radio reception signals.
- the multiple-fed antenna can have a plurality of feed elements for receiving circularly, linearly and / or elliptically polarized radio signals.
- a respective radio reception signal of the respective radio signal antenna can be processed. Processing of the signal strength and / or the arrival times of the individual radio reception signals in the signal processing device can, on the one hand, provide an indication of the presence of an indirectly received radio signal and, on the other hand, information about the time shift between directly and indirectly received radio signals. From the time-shift information, it is possible to infer a deviation of the performed pseudorange calculation of a radio reception signal received from a right-handed circularly polarized radio signal antenna.
- multiply-fed antenna for example, dual-circular polarized antennas and / or dual-linear polarized antennas may be used.
- You- al-linear-polarized antennas can use catalysts of polarity turn right-handed and left-handed circularly pola generate ⁇ rillone radio signals.
- the polarizers can in this case be composed of high-frequency power dividers and delay elements.
- the use of multiply fed antennas can be particularly advantageous if the available space is limited.
- a multiply fed antenna can have an advantageously reduced installation space compared to a plurality of separate antennas.
- the antenna array is formed, right-handed polarized and left-handed polarized radio ⁇ signals to be received.
- the radio signals transmitted by the transmitting stations of the positioning system can be circularly polarized right-handed, ie the trajectory of the electric field of the radio signals describes a circle.
- the Kreis-Traj ektorie can therefore be assigned two orthogonal radio signal components with approximately the same signal amplitude and 90 ° phase shift.
- the directly received radio signal is primarily circularly polarized according to the transmitted radio signal right-handed.
- the indirectly received radio signal may have a polarization deviating from the right-hand circular polarization of the directly received radio signal.
- the indirectly received radio signal may, for example, be reflected by a dielectric or metallic object and may have unequal amplitudes of the orthogonal radio signal components. It This leads to a deformation of the Kreis-Traj ektorie to an elliptical shaped trajectory of the electric field of the radio signal.
- the direction of rotation of the polarization can change from right-handed to left-handed.
- the antenna arrangement comprises an array antenna, which is designed to measure the angle of incidence of received radio signals.
- the angle of incidence of received radio signals can be processed by the Sig ⁇ nal kausvorraum to perform a plausibility check with position information of the transmitting stations of the positioning system: If the radio receiver receives a plurality of radio signals from different transmitting stations and the radio receiver in addition the position of the transmitting stations known, the radio receiver a comparison of the angle of incidence of the received radio signals, the position of the radio receiver he ⁇ average.
- An indirectly received radio signal may have a reception angle which deviates from the expected reception angle upon direct reception of the radio signal. Thus, the radio receiver can determine from the angle of incidence whether a radio signal has been received directly or indirectly.
- a infor ⁇ mation about the incident angle of a radio signal can be combined with the antenna information about the polarization of a radio signal to distinguish between direct and indirect received radio signals and thus to improve the position determination by the radio receiver, and in particular to determine a more accurate position.
- the radio receiver comprises a clock, which is adapted to the processing of the first radio reception signal and the second radio reception signal to synchronize the signal processor and the intermediate frequency signal processor.
- the clock may be integrated into one of the signal processors and / or intermediate frequency signal processors, wherein the clock synchro ⁇ nembl the processing of the radio reception signals and advantageously a signal delay time difference of the radio reception signals may be obtained.
- the clock generator may be electrically connected to all the signal processors and / or intermediate frequency signal processors for signal processing in all signal processors and / or intermediate frequency signal processors to synchronize.
- the signal processors and / or intermediate frequency signal processors can be designed to synchronize the signal processing with one another.
- a single signal processor may be configured to synchronize all other signal processors and / or intermediate frequency signal processors.
- a single intermediate frequency signal processor can be configured to synchronize all other signal processors and / or intermediate frequency signal processors.
- the radio receiver in position determination systems, which by means of sensor data combination, in particular with inertial sensors, a position determination even with shading of the radio signals of the positioning system, for example through tunnels, realize.
- the radio receiver can detect counterfeit radio signals of Po ⁇ sitionsbeéesssystems (spoofing) by processing the radio signals. Further embodiments will be explained with reference to the accompanying figures. 1, 2, 3 show a radio receiver in some embodiments;
- FIGS. 4a, 4b show an antenna arrangement in some embodiments
- Fig. 6, 7 reception of radio signals by the radio receiver in some embodiments.
- the radio receiver 100 comprises a receiving device 105, which has an antenna arrangement 107, wherein the antenna arrangement 107 comprises at least one radio signal antenna 109 for receiving radio signals 101 and first feed element 111 and a second feed element 113 has.
- the first feed element 111 and the second feed element 113 have different pola ⁇ risationstube sensitivities.
- the antenna arrangement 107 has a first radio signal line 117 and a second radio signal line 119, wherein the first radio signal line 117 is configured to provide a radio signal received from the antenna arrangement 107 as a first radio reception signal and the second radio signal line 119 is formed, a further received from the antenna arrangement 107 To provide radio signal as a second radio reception signal.
- the radio receiver 100 includes a signal processing device 115 configured to determine a position of the radio receiver 100 based on the first radio reception signal and the second radio reception signal.
- the radio receiver 100 may be in any position relative to the transmitting stations of the positioning system 103.
- the distance between transmitting station and radio receiver 100 may be limited by the signal strength of the radio signal 101 transmitted by the transmitting station and the antenna gain of the antenna arrangement 107.
- radio signals 101 from three transmitting stations can be used. Since the time between the position determining system 103 and the radio receiver 100 may be asynchronous, a fourth transmitting station may be used to provide accurate positioning of the radio receiver
- the radio receiver 100 may in particular be arranged in a smartphone, vehicle on the earth's surface or aircraft in the atmosphere. To determine the position of the radio receiver 100, it may be advantageous that the 100, the position of the transmitting stations is known radio ⁇ receiver, or the position of the transmitting stations is included as information in the radio signals the one hundred and first
- the radio signals 101 of the transmitting stations of the position determining system 103 are circularly polarized right-handed.
- the antenna arrangement 107 may advantageously have at least one radio signal antenna 109, which has be ⁇ réelle circular and / or elliptically polarized radio signals
- radio signal antenna 109 with an increased Empfangsempfind ⁇ sensitivity for right-handed circularly polarized radio signals 101 to radio signals 101 with other polarizations and a radio signal antenna 109 with a receiving sensitivity for left-handed circularly polarized radio signals to radio signals 101 with other polarizations.
- Fig. 2 shows a schematic representation of a radio receiver 100, which further comprises a signal processor 203, in particular a high-frequency signal processor, which downstream of the antenna assembly 107 and the signal processing device 115 is connected, wherein the signal processor 203 is formed, the first radio reception signal and the second radio reception signal synchronously to process the first radio reception signal and the second radio reception signal filtered and amplified to the signal processing device 115 to supply.
- a separate signal processor 203 may be formed in each case, wherein the processing of the first radio received signal and the second radio signal reception by the separate signal processors 203 is synchronized.
- the signal processors 203 may be connected to one another via an electrical line, in particular a synchronization line 209, wherein the processing of the radio reception signals may be synchronized by the signal processors 203 via the synchronization line 209.
- the antenna arrangement 107 may comprise a plurality of radio signal antennas 109, 201, 205, in particular three radio signal antennas 109, 201, 205, which in each case can be connected to the signal processor 203 via a separate radio signal line 117, 119, 211, in particular can be electrically connected.
- the processed through the separate signal processors 203 beiteten radio reception signals may be provided 115 separate Signallei ⁇ obligations of the signal processing device.
- the signal processing device 115 generates position information which may be provided for further processing. In addition to the position information, the signal processing device 115 may provide further information regarding the received radio signals 101. This information may in particular be the polarizations, the signal levels, the angles of incidence, the frequency and / or the number of received radio signals 101. In addition, information about the number and / or position of the transmitting stations from which the radio receiver 100 has received a radio signal 101 may be provided.
- the power of the radio receiver 100 in particular with respect to a more accurate and / or faster position determination, advantageously increased.
- FIG. 3 shows a schematic representation of a radio receiver 100, which has an intermediate frequency signal processor 301, which is connected downstream of the signal processor 203 and upstream of the signal processing device 115.
- the intermediate frequency signal processor 301 is configured to operate the first radio reception signal and the second radio reception signal in order to shift in frequency the first radio reception signal and the second radio reception signal, in particular down and split into a plurality of digital signals 501 before the plurality of digital signals 501 of the signal processing device 115 is supplied.
- the signal processor 203 and the intermediate frequency signal processor 301 may be integrated into the signal processing device 115.
- a separate signal processor 203 and a separate intermediate frequency signal processor 301 may be formed, the processing of the first radio reception signal and the second radio reception signal by the separate signal processors 203 and the processing of the first radio reception signal and the second radio reception signal Radio receive signal is synchronized by the separate intermediate signal processors 301.
- the intermediate frequency signal processors 301 may be connected to each other via an electrical line, in particular a synchronization line 303, wherein the processing of the radio reception signals by the insectsrequenzsignalprozes ⁇ soren 301 via the synchronization line 209 may be synchronized.
- Fig. 4a shows a schematic view of the antenna Nano ⁇ rd Vietnamese 107 having a radio signal antenna 109 for receiving radio signals the one hundred and first
- the first feed element 111 and the second feed element 113 exhibit different polarization dependent sensitivities and the first radio signal line 117 is configured to provide a first radio received signal and the second radio signal line 113 is formed, respectivelyzu ⁇ provide a second radio received signal.
- FIG. 4b shows a schematic view of the antenna Nano ⁇ rd Vietnamese 107 having a radio signal antenna 109 for receiving radio signals the one hundred and first
- the first feeder element 111 and the second feeder element 113 have different polarization-dependent sensitivities, and the first radio signal line 117 is configured to provide a first radio reception signal and the second radio signal line 119 is configured to provide a second radio reception signal.
- the antenna radio signal 109 can two having line ⁇ ar-polarization dependent reception sensitivities under ⁇ Kunststoffliche, enclosing an angle and perform the different linearly polarized radio signals 101 as radio reception signals via separate lines to a polarizer four hundred and first
- the polarizer 401 may be part of the antenna arrangement 107.
- the polarizer 401 can be configured to convert the linear polarization-dependent received radio signals 101 into circularly polarized signals.
- the radio signal antenna 109 may be a dual linearly polarized radio signal antenna 109.
- the Pola ⁇ risator 401 can be composed of RF power dividers and / or delay elements. Furthermore, multiply fed antennas can be used so that the installation space of the antenna arrangement 107 can advantageously be reduced.
- 5 shows a schematic representation of the processing of a radio reception signal with the signal processor 203 and the intermediate frequency signal processor 301.
- the signal processor 203 has a filter device 503 to which the radio reception signal is provided via the radio signal line 117.
- the filter device 503 is configured to filter the radio reception signal.
- the signal processor 203 has an amplification device 505, which is designed to amplify the radio reception signal.
- the processing of the radio reception signal by the signal processor 203 may be connected to further signal processors by the synchronization line 209, so that the signal processing by the signal processor and the further signal processors may be synchronized.
- the intermediate frequency signal processor 301 may have a further enhancement device 507 which the processed by the signal processor 203, radio reception signal is provided ⁇ .
- the further amplifying device 507 may be configured to amplify the radio reception signal and provide it to an analog-to-digital converter 509.
- the analog-to-digital converter 509 can be configured to shift the radio reception signal from a first carrier signal to a second carrier signal, to sample and / or correlate the radio reception signal and / or to split the radio reception signal into a plurality of digital signals 501.
- the signal processing apparatus 115 can realize a further splitting of the signals into baseband signals of the transmitting stations and fed ⁇ hearing Korrelatorsignale, which together form the digital signals 501, which may be provided at a signal output of the intermediate frequency signal processor three hundred and first
- the further amplification device 507 and / or the analog-to-digital converter 509 can be synchronized via common or separate synchronization lines 303, so that the processing of the radio reception signals can be synchronized with amplification devices and analog-to-digital converters in further intermediate frequency signal processors 301 ,
- FIG. 6 shows a schematic representation of a radio receiver 100 which receives a direct radio signal 101 and / or an indirect radio signal 601 from the position determination system 103.
- the direct and indirect radio signals 101, 601 may be sent from the same transmitting station of the position determining system 103.
- the radio receiver 100 may be arranged in a vehicle and / or the indirect radio signal 601 may be reflected by an obstacle, in particular a building. By the reflection of the indirect radio signal 601 on the obstacle, the polarization of the indirect radio signal 601 may change. In particular, the polarization direction can be changed from right-handed circular to left-handed circular.
- the receiving angle and / or the signal strength of the indirect radio signal 601 can differ from the receive respectively the angle Sig ⁇ nalhub of the direct radio signal one hundred and first
- Fig. 7 shows a schematic representation of a radio receiver 100 having two indirect radio signals 601, 701 received from the Po ⁇ sitionsbeticianssystem 103rd
- the two indirect radio signals 601, 701 may be transmitted by the same transmitting station of the position determining system 103.
- the indirect wireless signal 601 may be reflected by an obstacle to ⁇ special one building.
- the indirect Radio signal 701 may be scattered by an obstacle, in particular a building.
- the Pola ⁇ risation, the reception angle and / or the signal strength of the respective radio signal 601 can change 701.
- FIG. In particular, the interaction with an obstacle may change the polarization of the indirect radio signals 601, 701 from circularly polarized to elliptically polarized.
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- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102017207575.9A DE102017207575A1 (de) | 2017-05-05 | 2017-05-05 | Funkempfänger für Positionsbestimmungssysteme |
| PCT/EP2018/060266 WO2018202448A1 (de) | 2017-05-05 | 2018-04-23 | Funkempfänger für positionsbestimmungssysteme |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP3619552A1 true EP3619552A1 (de) | 2020-03-11 |
Family
ID=62091843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP18721305.3A Withdrawn EP3619552A1 (de) | 2017-05-05 | 2018-04-23 | Funkempfänger für positionsbestimmungssysteme |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US20200132854A1 (de) |
| EP (1) | EP3619552A1 (de) |
| JP (1) | JP2020517947A (de) |
| CN (1) | CN110582707A (de) |
| CA (1) | CA3059658A1 (de) |
| DE (1) | DE102017207575A1 (de) |
| WO (1) | WO2018202448A1 (de) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11163317B2 (en) | 2018-07-31 | 2021-11-02 | Honda Motor Co., Ltd. | System and method for shared autonomy through cooperative sensing |
| US11181929B2 (en) | 2018-07-31 | 2021-11-23 | Honda Motor Co., Ltd. | System and method for shared autonomy through cooperative sensing |
| US11831679B2 (en) | 2020-07-14 | 2023-11-28 | T-Mobile Usa, Inc. | Global navigation satellite system interference attack detection |
| FR3119463B1 (fr) * | 2021-01-29 | 2023-12-22 | Thales Sa | Dispositif de detection de multitrajets de signaux gnss, et systeme de geolocalisation d'un porteur et procede de detection de multitrajets associes |
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| JP2001318135A (ja) * | 2000-05-11 | 2001-11-16 | Japan Aviation Electronics Industry Ltd | 測距機能を具備した測位装置 |
| US20040212533A1 (en) * | 2003-04-23 | 2004-10-28 | Whitehead Michael L. | Method and system for satellite based phase measurements for relative positioning of fixed or slow moving points in close proximity |
| JP2005017197A (ja) * | 2003-06-27 | 2005-01-20 | Seiko Epson Corp | 無線受信機およびgps受信機 |
| US20100109944A1 (en) * | 2003-03-20 | 2010-05-06 | Whitehead Michael L | Gnss-based tracking of fixed or slow-moving structures |
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| JPS6238377A (ja) * | 1985-08-14 | 1987-02-19 | Toshiba Corp | 衛星航法システム |
| US5068668A (en) * | 1989-09-06 | 1991-11-26 | Hughes Aircraft Company | Adaptive polarization combining system |
| US5995044A (en) * | 1998-05-01 | 1999-11-30 | Novatel, Inc. | Method and apparatus for characterizing multipath interference in circularly polarized signals |
| US6154173A (en) * | 1999-03-24 | 2000-11-28 | Trimble Navigation Limited | Method and apparatus for processing multipath reflection effects in timing systems |
| US6526278B1 (en) * | 2000-03-03 | 2003-02-25 | Motorola, Inc. | Mobile satellite communication system utilizing polarization diversity combining |
| GB2367199B (en) * | 2000-09-20 | 2005-01-26 | Parthus | Apparatus for receiving ranging signals |
| FI113819B (fi) * | 2000-10-17 | 2004-06-15 | Nokia Corp | Menetelmä radiotaajuisen signaalin vastaanottamiseksi ja vastaanotinlaite |
| JP2002296348A (ja) * | 2001-03-29 | 2002-10-09 | Clarion Co Ltd | 車載レーダ装置 |
| JP2007127497A (ja) * | 2005-11-02 | 2007-05-24 | Mitsubishi Electric Corp | Gps装置 |
| US20090195449A1 (en) * | 2008-02-04 | 2009-08-06 | Honeywell International, Inc. | Real-time multipath detection and mitigation |
| JP2009186415A (ja) * | 2008-02-08 | 2009-08-20 | Denso Corp | Gnss受信装置及びそれを用いた運転支援装置 |
| US8305270B2 (en) * | 2009-04-27 | 2012-11-06 | Texas Instruments Incorporated | Antenna selection for GNSS receivers |
| US20170254901A1 (en) * | 2016-03-07 | 2017-09-07 | Mitsubishi Electric Research Laboratories, Inc. | Carrier Phase Double Differencing GNSS Receiving System with Spatial Integrity Monitoring |
| EP3276378B1 (de) * | 2016-07-25 | 2020-10-14 | ADVA Optical Networking SE | Vorrichtung und verfahren zur extraktion von zeitinformationen aus einem funksignal |
-
2017
- 2017-05-05 DE DE102017207575.9A patent/DE102017207575A1/de not_active Withdrawn
-
2018
- 2018-04-23 US US16/606,423 patent/US20200132854A1/en not_active Abandoned
- 2018-04-23 WO PCT/EP2018/060266 patent/WO2018202448A1/de not_active Ceased
- 2018-04-23 CN CN201880029509.5A patent/CN110582707A/zh not_active Withdrawn
- 2018-04-23 EP EP18721305.3A patent/EP3619552A1/de not_active Withdrawn
- 2018-04-23 CA CA3059658A patent/CA3059658A1/en active Pending
- 2018-04-23 JP JP2019557744A patent/JP2020517947A/ja active Pending
Patent Citations (4)
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| JP2001318135A (ja) * | 2000-05-11 | 2001-11-16 | Japan Aviation Electronics Industry Ltd | 測距機能を具備した測位装置 |
| US20100109944A1 (en) * | 2003-03-20 | 2010-05-06 | Whitehead Michael L | Gnss-based tracking of fixed or slow-moving structures |
| US20040212533A1 (en) * | 2003-04-23 | 2004-10-28 | Whitehead Michael L. | Method and system for satellite based phase measurements for relative positioning of fixed or slow moving points in close proximity |
| JP2005017197A (ja) * | 2003-06-27 | 2005-01-20 | Seiko Epson Corp | 無線受信機およびgps受信機 |
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Also Published As
| Publication number | Publication date |
|---|---|
| JP2020517947A (ja) | 2020-06-18 |
| DE102017207575A1 (de) | 2018-11-08 |
| CA3059658A1 (en) | 2018-11-08 |
| CN110582707A (zh) | 2019-12-17 |
| WO2018202448A1 (de) | 2018-11-08 |
| US20200132854A1 (en) | 2020-04-30 |
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