WO2000049682A3 - Verfahren zur steuerung und dynamischen anpassung der richtcharakteristik von linearen antennenarrays bei der räumlichen trennung von signalen - Google Patents
Verfahren zur steuerung und dynamischen anpassung der richtcharakteristik von linearen antennenarrays bei der räumlichen trennung von signalen Download PDFInfo
- Publication number
- WO2000049682A3 WO2000049682A3 PCT/DE2000/000474 DE0000474W WO0049682A3 WO 2000049682 A3 WO2000049682 A3 WO 2000049682A3 DE 0000474 W DE0000474 W DE 0000474W WO 0049682 A3 WO0049682 A3 WO 0049682A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- directional characteristic
- directivity
- controlling
- subscribers
- linear antenna
- Prior art date
Links
Classifications
-
- 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
-
- 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
- H04B7/086—Weighted combining using weights depending on external parameters, e.g. direction of arrival [DOA], predetermined weights or beamforming
Landscapes
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Mobile Radio Communication Systems (AREA)
- Radio Transmission System (AREA)
Abstract
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP00909041A EP1177600A2 (de) | 1999-02-16 | 2000-02-16 | Verfahren zur steuerung und dynamischen anpassung der richtcharakteristik von linearen antennenarrays bei der räumlichen trennung von signalen |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19907476.3 | 1999-02-16 | ||
DE1999107476 DE19907476C1 (de) | 1999-02-16 | 1999-02-16 | Verfahren zur Steuerung und dynamischen Anpassung der Richtcharakteristik von linearen Antennenarrays bei der räumlichen Trennung von Signalen |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2000049682A2 WO2000049682A2 (de) | 2000-08-24 |
WO2000049682A3 true WO2000049682A3 (de) | 2000-12-21 |
Family
ID=7898383
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE2000/000474 WO2000049682A2 (de) | 1999-02-16 | 2000-02-16 | Verfahren zur steuerung und dynamischen anpassung der richtcharakteristik von linearen antennenarrays bei der räumlichen trennung von signalen |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1177600A2 (de) |
DE (1) | DE19907476C1 (de) |
WO (1) | WO2000049682A2 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19958891B4 (de) * | 1999-12-07 | 2010-04-22 | Nokia Siemens Networks Gmbh & Co.Kg | Verfahren zur Ressourcenzuteilung in einem Funk-Kommunikationssystem unter Verwendung adaptiver Antennen |
DE10039209A1 (de) * | 2000-08-10 | 2002-02-21 | Siemens Ag | Verfahren zur Zuteilung von Übertragungskanälen in einem Funk-Kommunikationssystem |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2309858A (en) * | 1996-01-31 | 1997-08-06 | Motorola Ltd | Channel Allocation in a Space Division Multiple Access Radio Communication System |
DE19737136A1 (de) * | 1996-08-28 | 1998-03-12 | Matsushita Electric Ind Co Ltd | Antennenvorrichtung mit steuerbarer Richtwirkung |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5515378A (en) * | 1991-12-12 | 1996-05-07 | Arraycomm, Inc. | Spatial division multiple access wireless communication systems |
-
1999
- 1999-02-16 DE DE1999107476 patent/DE19907476C1/de not_active Expired - Fee Related
-
2000
- 2000-02-16 EP EP00909041A patent/EP1177600A2/de not_active Withdrawn
- 2000-02-16 WO PCT/DE2000/000474 patent/WO2000049682A2/de active Search and Examination
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2309858A (en) * | 1996-01-31 | 1997-08-06 | Motorola Ltd | Channel Allocation in a Space Division Multiple Access Radio Communication System |
DE19737136A1 (de) * | 1996-08-28 | 1998-03-12 | Matsushita Electric Ind Co Ltd | Antennenvorrichtung mit steuerbarer Richtwirkung |
Non-Patent Citations (1)
Title |
---|
SCHUBERT ET BOCHE: "On the Directivity as a Performance Criterion for Constrained Beamforming Algorithms", EUROPEAN WIRELESS 99, no. 157, 6 October 1999 (1999-10-06) - 8 October 1999 (1999-10-08), Munich,Germany, pages 69 - 73, XP002143858 * |
Also Published As
Publication number | Publication date |
---|---|
EP1177600A2 (de) | 2002-02-06 |
WO2000049682A2 (de) | 2000-08-24 |
DE19907476C1 (de) | 2001-02-08 |
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