DK2311140T3 - Fasestyret antennegruppe og fremgangsmåde til anvendelse af en fasestyret antennegruppe - Google Patents
Fasestyret antennegruppe og fremgangsmåde til anvendelse af en fasestyret antennegruppe Download PDFInfo
- Publication number
- DK2311140T3 DK2311140T3 DK09785355.0T DK09785355T DK2311140T3 DK 2311140 T3 DK2311140 T3 DK 2311140T3 DK 09785355 T DK09785355 T DK 09785355T DK 2311140 T3 DK2311140 T3 DK 2311140T3
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- DK
- Denmark
- Prior art keywords
- phase
- antenna
- output
- signal
- elements
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/27—Adaptation for use in or on movable bodies
- H01Q1/32—Adaptation for use in or on road or rail vehicles
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- 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
- H01Q3/30—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 varying the relative phase between the radiating elements of an array
- H01Q3/34—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 varying the relative phase between the radiating elements of an array by electrical means
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/27—Adaptation for use in or on movable bodies
- H01Q1/32—Adaptation for use in or on road or rail vehicles
- H01Q1/3208—Adaptation for use in or on road or rail vehicles characterised by the application wherein the antenna is used
- H01Q1/3216—Adaptation for use in or on road or rail vehicles characterised by the application wherein the antenna is used where the road or rail vehicle is only used as transportation means
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/27—Adaptation for use in or on movable bodies
- H01Q1/32—Adaptation for use in or on road or rail vehicles
- H01Q1/325—Adaptation for use in or on road or rail vehicles characterised by the location of the antenna on the vehicle
- H01Q1/3275—Adaptation for use in or on road or rail vehicles characterised by the location of the antenna on the vehicle mounted on a horizontal surface of the vehicle, e.g. on roof, hood, trunk
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- 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
-
- 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
- H01Q3/2605—Array of radiating elements provided with a feedback control over the element weights, e.g. adaptive arrays
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- 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
- H01Q3/267—Phased-array testing or checking devices
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
- H04L27/22—Demodulator circuits; Receiver circuits
- H04L27/227—Demodulator circuits; Receiver circuits using coherent demodulation
- H04L27/2271—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses only the demodulated signals
- H04L27/2273—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses only the demodulated signals associated with quadrature demodulation, e.g. Costas loop
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
- H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
- H04B7/0842—Weighted combining
- H04B7/0848—Joint weighting
Claims (21)
1. Fasestyret antennegruppe omfattende et første antenneelement og en flerhed af anden antenneelementer, hvilket første antenneelement omfatter kredsløb, der er konfigureret til at sammenligne i-fase-komponenten af et udgangssignal fra det første antenneelement med en sammensætning af 5 kvadraturkomponenteme af udgangssignaler fra første og anden antenneelementer for at generere et fasestyringssignal, der er repræsentativt for en grad af korrelation mellem i-fase-komponenten og sammensætningen af kvadraturkomponenteme, for at bringe udgangssignalet fra det første antenneelement i overensstemmelse med sammensætningen af første og andet antenneelementers udgangssignaler.
2. Fasestyret antennegruppe omfattende et første antenneelement og en flerhed af anden antenneelementer, hvilket første antenneelement omfatter kredsløb, der er konfigureret til at sammenligne kvadraturkomponenten af et udgangssignal fra det første antenneelement med en sammensætning af i-fase-komponenteme af udgangssignaler fra første og anden antenneelementer for at generere et fasestyringssignal, der er repræsentativt for en grad af korrelation mellem kvadraturkomponenten og 5 sammensætningen af i-fase-komponenteme, for at bringe udgangssignalet fra det første antenneelement i overensstemmelse med sammensætningen af første og andet antenneelements udgangssignaler.
3. Fasestyret antennegruppe, hvor fasestyringssignalet er genereret som forskellen mellem fasestyringssignalet genereret af kredsløb, der er konfigureret ifølge krav 1, og fasestyringssignalet, der er genereret af kredsløb ifølge krav 2.
4. Fasestyret antennegruppe ifølge et hvilket som helst af kravene 1 til 3, hvor kredsløbet indbefatter et Costas-loop.
5. Fasestyret antennegruppe ifølge et hvilket som helst af kravene 1 til 4, hvor det første antenneelement og flerheden af anden antenneelementer er konfigureret til at modtage elektromagnetiske signaler, hvor det første antenneelement omfatter en styrbar oscillator, der er konfigureret til at 5 tilvejebringe et udgangssignal for frekvenskonvertering af et elektromagnetisk signal for at danne udgangssignalet fra det første antenneelement, og hvor fasen af udgangssignalet fra den styrbare oscillator kan justeres som reaktion på fasestyringssignalet.
6. Fasestyret antennegruppe ifølge krav 5, hvilken antennegruppe endvidere omfatter en forsinkelseskomponent, der er forbundet med ét eller flere af første eller anden antenneelementer, hvor 0 det ene eller flere forsinkelseskomponenter er konfigureret til at tidsmæssigt at trimme første og anden antenneelementers udgangssignaler.
7. Fasestyret antennegruppe ifølge krav 5 eller 6, hvor ét eller flere af flerheden af anden antenneelementer endvidere er konfigureret således, at de individuelle udgangssignaler fra anden antenneelementer gives som en vægtning som reaktion på et effektniveaustyringssignal.
8. Fasestyret antennegruppe ifølge krav 7, hvor effektniveaustyringssignalet for et andet antenneelement er repræsentativt for en sammenligning mellem udgangssignalet fra det andet antenneelement og udgangssignalerne fra andre anden antenneelementer.
9. Fasestyret antennegruppe ifølge krav 7 eller 8, hvor udgangssignalerne fra ét eller flere af anden antenneelementer er konfigureret til at blive blokeret som reaktion på, at effektniveaustyringssignalet opfylder et kriterium.
10. Fasestyret antennegruppe ifølge et hvilket som helst af kravene 5 til 9, hvilken antennegruppe endvidere omfatter en hukommelse, der er konfigureret til at lagre koordinater, der er forbundet med hvert af første og anden antenneelementer.
11. Fasestyret antennegruppe ifølge krav 10, hvor koordinaterne, der er forbundet med hvert af første og anden antenneelementer, initialt er indstillet i overensstemmelse med den fasestyrede antennes fysiske egenskaber.
12. Fasestyret antennegruppe ifølge krav 10 eller 11, hvor koordinaterne, der er forbundet med hvert af første og anden antenneelementer, justeres som reaktion på fasestyringssignalet.
13. Fasestyret antennegruppe ifølge et hvilket som helst af kravene 10 til 12, hvilken antennegruppe endvidere omfatter en processor, der er konfigureret til at beregne et optimalt tilpasningsplan for koordinaterne, og hvor fasestyringssignalet omfatter et signal, der er konfigureret til at indstille den styrbare oscillators fase for at bringe den på linje med det optimale tilpasningsplan.
14. Fasestyret antennegruppe ifølge et hvilket som helst af kravene 5 til 13, hvilken antennegruppe omfatter ét eller flere fasestyrede antennepaneler.
15. Køretøj omfattende en fasestyret antennegruppe ifølge et hvilket som helst af kravene 5 til 14.
16. Fremgangsmåde til at indstille fasen for en styrbar oscillator fra et første antenneelement af en fasestyret antennegruppe, hvor den fasestyrede antenne omfatter det første antenneelement og en flerhed af anden antenneelementer, og hvor udgangssignalet fra den styrbare oscillator anvendes til at frekvenskonvertere et modtaget elektromagnetisk signal for at danne et første antenneelements udgangssignal, hvilken fremgangsmåde omfatter: generering af et fasestyringssignal, der er repræsentativt for en grad af korrelation mellem i-fase-komponenten af et udgangssignal fra det første antenneelement og en sammensætning af kvadraturkomponenteme af udgangssignaler fra første og anden antenneelementer ved at sammenligne i-fase-komponenten med sammensætningen af kvadraturkomponenteme og/eller generering af et fasestyringssignal, der er repræsentativt for en grad af korrelation mellem kvadraturkomponenten af udgangssignalet fra det første antenneelement og en sammensætning af i-fase-komponenteme af 5 udgangssignaler fra første og anden antenneelementer ved at sammenligne kvadraturkomponenten med sammensætningen af i-fase-komponenteme; justering af fasen af udgangssignalet, der er genereret af den styrbare oscillator forbundet med det første antenneelement, som reaktion på fasestyringssignalet.
17. Fremgangsmåde ifølge krav 16, hvilken fremgangsmåde endvidere omfatter at forsinke 0 udgangssignaler fra ét eller flere af første eller anden antenneelementer for tidsmæssigt at trimme første og anden antenneelementers udgangssignaler.
18. Fremgangsmåde ifølge krav 16 eller 17, hvilken fremgangsmåde endvidere omfatter lagring af koordinater, der er forbundet med hvert af første og anden antenneelementer i en hukommelse.
19. Fremgangsmåde ifølge krav 18, hvilken fremgangsmåde endvidere omfatter initial indstilling af 5 koordinaterne, der er forbundet med hvert af første og anden antenneelementer i overensstemmelse med den fasestyrede antennes fysiske egenskaber.
20. Fremgangsmåde ifølge krav 18 eller krav 19, hvilken fremgangsmåde endvidere omfatter justering af koordinaterne, der er forbundet med hvert af første og anden antenneelementer, som reaktion på fasestyringssignalet.
21. Fremgangsmåde ifølge et hvilket som helst af kravene 18 til 20, hvilken fremgangsmåde endvidere omfatter: beregning af et optimalt tilpasningsplan for koordinaterne: og anvendelse af fasestyringssignalet til at justere den relative fase af udgangssignalet genereret af den styrbare oscillator for at bringe det på linje med det optimale tilpasningsplan; 5 hvor fasestyringssignalet omfatter et signal, der er konfigureret til at indstille fasen af den styrbare oscillator for at bringe den på linje med det optimale tilpasningsplan.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0813237A GB2461921B (en) | 2008-07-18 | 2008-07-18 | A phased array antenna and a method of operating a phased array antenna |
PCT/GB2009/050880 WO2010007442A1 (en) | 2008-07-18 | 2009-07-17 | A phased array antenna and a method of operating a phased array antenna |
Publications (1)
Publication Number | Publication Date |
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DK2311140T3 true DK2311140T3 (da) | 2016-08-01 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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DK09785355.0T DK2311140T3 (da) | 2008-07-18 | 2009-07-17 | Fasestyret antennegruppe og fremgangsmåde til anvendelse af en fasestyret antennegruppe |
Country Status (17)
Country | Link |
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US (2) | US9300040B2 (da) |
EP (2) | EP2311140B1 (da) |
JP (1) | JP5513502B2 (da) |
KR (1) | KR101507203B1 (da) |
CN (1) | CN102113172B (da) |
AU (1) | AU2009272440B2 (da) |
BR (1) | BRPI0915493B1 (da) |
CA (1) | CA2731124C (da) |
DK (1) | DK2311140T3 (da) |
EA (1) | EA026840B1 (da) |
ES (1) | ES2581660T3 (da) |
GB (2) | GB2474923B (da) |
IL (1) | IL210607A (da) |
MX (1) | MX2011000397A (da) |
MY (2) | MY168472A (da) |
WO (1) | WO2010007442A1 (da) |
ZA (1) | ZA201101279B (da) |
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