DK3266119T3 - Stråleformning under anvendelse af en antenneindretning - Google Patents
Stråleformning under anvendelse af en antenneindretning Download PDFInfo
- Publication number
- DK3266119T3 DK3266119T3 DK15708005.2T DK15708005T DK3266119T3 DK 3266119 T3 DK3266119 T3 DK 3266119T3 DK 15708005 T DK15708005 T DK 15708005T DK 3266119 T3 DK3266119 T3 DK 3266119T3
- Authority
- DK
- Denmark
- Prior art keywords
- ports
- expansion
- subarray
- antenna
- weights
- Prior art date
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- 238000000034 method Methods 0.000 claims abstract description 40
- 230000005540 biological transmission Effects 0.000 claims abstract description 22
- 230000010287 polarization Effects 0.000 claims description 45
- 239000011159 matrix material Substances 0.000 claims description 31
- 238000004590 computer program Methods 0.000 claims description 28
- 238000012545 processing Methods 0.000 claims description 20
- 238000004891 communication Methods 0.000 claims description 17
- 238000013507 mapping Methods 0.000 claims description 15
- 238000003491 array Methods 0.000 claims description 14
- 230000007246 mechanism Effects 0.000 abstract description 2
- 230000000977 initiatory effect Effects 0.000 abstract 1
- 239000013598 vector Substances 0.000 description 16
- 238000013459 approach Methods 0.000 description 7
- 230000009977 dual effect Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000004088 simulation Methods 0.000 description 5
- 230000000875 corresponding effect Effects 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000002596 correlated effect Effects 0.000 description 2
- 230000006399 behavior Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002085 persistent effect Effects 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 230000000135 prohibitive effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
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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
- H01Q3/40—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 with phasing matrix
-
- 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
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
- H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
- H04B7/0617—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal for beam forming
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
- H01Q1/246—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for base stations
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/0006—Particular feeding systems
- H01Q21/0025—Modular arrays
-
- 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
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0686—Hybrid systems, i.e. switching and simultaneous transmission
- H04B7/0691—Hybrid systems, i.e. switching and simultaneous transmission using subgroups of transmit antennas
-
- 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
- H04B7/10—Polarisation diversity; Directional diversity
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Claims (18)
1. Fremgangsmåde til stråleformning under anvendelse af et antennearray (1), som omfatter dobbeltpolariserede elementer, omfattende: generering (S102) af en eller to stråleporte, hvor den ene eller de to stråleporte defineres ved at kombinere mindst to ikke-overlappende underarrays, hvor hvert subarray har to underarrayporte, hvor de to underarrayporte har identiske energimønstre og indbyrdes vinkelret polarisering, hvor de mindst to ikke-overlappende underarrays kombineres via ekspansionsvægte, hvor ekspansionsvægtene kortlægger det ene eller de to stråleporte til underarrayporte, således at det ene eller de to stråleporte har det samme energimønster som underarraysene, og hvor mindst nogle af ekspansionsvægtene har identisk ikke-nul størrelse og er i faseforbindelse for at danne en transmissionslobe; hvor ekspansionsvægtene samles i en ekspansionsmatrix og bestemmes, således at ekspansionsmatriksen er rumlig hvid; og transmission (S104) af signaler under anvendelse af den ene eller de to stråleporte.
2. Fremgangsmåde ifølge krav 1, hvor ekspansionsvægtene kortlægger det ene eller de to stråleporte til underarrayporte, således at det ene eller de to stråleporte har det samme energimønster som underarraysene, og i det tilfælde, hvor det er to stråleporte, har de to stråleporte indbyrdes vinkelret polarisering i hvilken som helst retning.
3. Fremgangsmåde ifølge krav 1, i det tilfælde hvor der er to stråleporte, og hvor ekspansionsvægtene defineres til at holde polariseringen af de to stråleporte indbyrdes vinkelret.
4. Fremgangsmåde ifølge krav 1, i det tilfælde hvor der er to stråleporte, og hvor ekspansionsvægtene kortlægger de to stråleporte til produkter af effekter af 2, 6 eller 10 underarrays per dimension.
5. Fremgangsmåde ifølge krav 1, i det tilfælde hvor der er én stråleport, og hvor ekspansionsvægtene kortlægger de to stråleporte til produkter af effekter af 2, 6 og/eller 10 gange 1,3 eller 5 underarrays.
6. Fremgangsmåde ifølge krav 1, hvor underarraysene ekspanderes yderligere gennem yderligere ekspansionsvægte inden definering af den ene eller de to stråleporte.
7. Fremgangsmåde ifølge krav 1, hvor ekspansionsvægtene bestemmes således, at alle elementer i en matrix, som defineres af summen af den kvadratiske størrelse af den todimensionelle diskrete Fourier-transformation afen første ekspansionsvægtsmatrix anvendt på en første af underarrayportene og den kvadratiske størrelse af den todimensionelle diskrete Fourier-transformation af en anden ekspansionsvægtsmatrix anvendt på en anden af underarrayportene har den samme værdi.
8. Fremgangsmåde ifølge krav 1, hvor ekspansionsvægtene bestemmes således, at: I DFT(ea)l2 + I DFT(e/>)l2 = k Jrc, hvor DFT(ea) og DFT(eb) betegner den diskrete Fourier-transformationer af henholdsvis ea og eb,, hvor ea og eb er de samlede ekspansionsmatrikser anvendt på underarrayportene henholdsvis a og b, hvor a er den første af ar-rayportene, hvor b er en anden af underarrayportene, hvor k er en konstant, og hvor Jrc er en eneste matrix med r rækker og c kolonner.
9. Fremgangsmåde ifølge krav 1, hvor de mindst to ikke-overlappende underarrays dækker alle elementer af antennearrayet.
10. Fremgangsmåde ifølge krav 1, hvor ekspansionsvægtene af de mindst to underarrays tilsættes for at generere én af den ene eller de to stråleporte.
11. Fremgangsmåde ifølge krav 1, hvor ekspansionsvægtene til en port a med en første polarisering bestemmes som:
hvor eam betegner ekspansionsvægtene til kortlægning af den ene stråleport af den ene eller de to stråleporte til multipler af m underarrays, og hvor Zrc er en nulmatrix med r rækker og c kolonner.
12. Fremgangsmåde ifølge krav 11, hvor ekspansionsvægtene til en port b med en anden polarisering, vinkelret på den første polarisering, bestemmes som:
hvor eam(-.,c) betegner kolonne c af eam, hvor * betegner kompleks konjugat, og hvor flipud(x) vender rækkefølgen af x. om
13. Fremgangsmåde ifølge krav 1, hvor signalerne omfatter mindst én af bro-adcast-informationer og systeminformationer.
14. Antenneindretning (100), omfattende et antennearray (1), hvor antenneindretningen omfatter dobbeltpolariserede elementer til stråleformning, hvor antenneindretningen yderligere omfatter en behandlingsenhed (31), som er konfigureret til at få antenneindretningen (1) til: at generere en eller to stråleporte, hvor stråleportene defineres ved at kombinere mindst to ikke-overlappende underarrays, hvor hvert subarray har to underarrayporte, hvor de to underarrayporte har identiske energimønstre og indbyrdes vinkelret polarisering, hvor de mindst to ikke-overlappende underarrays kombineres via ekspansionsvægte, hvor ekspansionsvægtene kortlægger det ene eller de to stråleporte til underarrayporte, således at det ene eller de to stråleporte har det samme energimønster som underarraysene, og hvor mindst nogle af ekspansionsvægtene har identisk ikke-nul størrelse og er i faseforbindelse for at danne en transmissionslobe; hvor ekspansionsvægtene samles i en ekspansionsmatrix og bestemmes, således at ekspansionsmatriksen er rumlig hvid; og transmittere signaler under anvendelse af den ene eller de to stråleporte.
15. Netværksknudepunkt (110), som omfatter en antenneindretning (100) ifølge krav 14.
16. Trådløs indretning (120), som omfatter en antenneindretning (100) ifølge krav 14.
17. Computerprogram (131) til stråleformning under anvendelse af et anten-nearray (1), som omfatter dobbeltpolariserede elementer, hvor computerprogrammet omfatter computerprogramkode, som, når det køres på en behandlingsenhed (31), får antenneindretningen (1) til: at generere (S102) en eller to stråleporte, hvor stråleportene defineres ved at kombinere mindst to ikke-overlappende underarrays, hvor hvert subarray har to underarrayporte, hvor de to underarrayporte har identiske energimønstre og indbyrdes vinkelret polarisering, hvor de mindst to ikke-overlappende underarrays kombineres via ekspansionsvægte, hvor ekspansionsvægtene kortlægger det ene eller de to stråleporte til under-arrayporte, således at det ene eller de to stråleporte har det samme energimønster som underarraysene, og hvor mindst nogle af ekspansionsvægtene har identisk ikke-nul størrelse og er i faseforbindelse for at danne en transmissionslobe; hvor ekspansionsvægtene samles i en ekspansionsmatrix og bestemmes, således at ekspansionsmatriksen er rumlig hvid; og transmittere (S104) signaler under anvendelse af den ene eller de to stråleporte.
18. Computerprogramprodukt (130) omfattende et computerprogram (131) ifølge krav 17, og et computerlæsbare medium (132), hvorpå computerprogrammet er lagret.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/EP2015/054783 WO2016141961A1 (en) | 2015-03-06 | 2015-03-06 | Beam forming using an antenna arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DK3266119T3 true DK3266119T3 (da) | 2018-08-13 |
Family
ID=52627245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK15708005.2T DK3266119T3 (da) | 2015-03-06 | 2015-03-06 | Stråleformning under anvendelse af en antenneindretning |
Country Status (20)
| Country | Link |
|---|---|
| US (4) | US10622715B2 (da) |
| EP (2) | EP3266119B1 (da) |
| JP (1) | JP6457108B2 (da) |
| KR (1) | KR102162725B1 (da) |
| CN (3) | CN107408970B (da) |
| AR (1) | AR103863A1 (da) |
| AU (1) | AU2015385427B2 (da) |
| CA (1) | CA2978489C (da) |
| DK (1) | DK3266119T3 (da) |
| ES (1) | ES2687814T3 (da) |
| HU (1) | HUE039682T2 (da) |
| IL (1) | IL253641A0 (da) |
| MX (1) | MX365762B (da) |
| MY (1) | MY182089A (da) |
| PL (1) | PL3266119T3 (da) |
| PT (1) | PT3266119T (da) |
| RU (2) | RU2656235C1 (da) |
| TR (1) | TR201810572T4 (da) |
| WO (2) | WO2016141961A1 (da) |
| ZA (1) | ZA201705232B (da) |
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| EP3695522B1 (en) | 2017-10-12 | 2023-12-06 | Telefonaktiebolaget LM Ericsson (PUBL) | Beam forming for synchronization signals |
| WO2019105521A1 (en) | 2017-11-28 | 2019-06-06 | Telefonaktiebolaget Lm Ericsson (Publ) | Beam training of a radio transceiver device |
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