AU5442998A - Adaptive beamforming for wireless communication - Google Patents
Adaptive beamforming for wireless communicationInfo
- Publication number
- AU5442998A AU5442998A AU54429/98A AU5442998A AU5442998A AU 5442998 A AU5442998 A AU 5442998A AU 54429/98 A AU54429/98 A AU 54429/98A AU 5442998 A AU5442998 A AU 5442998A AU 5442998 A AU5442998 A AU 5442998A
- Authority
- AU
- Australia
- Prior art keywords
- wireless communication
- adaptive beamforming
- beamforming
- adaptive
- wireless
- 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.)
- Abandoned
Links
Classifications
-
- 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
-
- 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
- H04B7/0848—Joint weighting
- H04B7/0854—Joint weighting using error minimizing algorithms, e.g. minimum mean squared error [MMSE], "cross-correlation" or matrix inversion
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/24—Cell structures
- H04W16/28—Cell structures using beam steering
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Radio Transmission System (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US3114096P | 1996-11-18 | 1996-11-18 | |
US60031140 | 1996-11-18 | ||
PCT/US1997/021025 WO1998023101A1 (en) | 1996-11-18 | 1997-11-18 | Adaptive beamforming for wireless communication |
Publications (1)
Publication Number | Publication Date |
---|---|
AU5442998A true AU5442998A (en) | 1998-06-10 |
Family
ID=21857852
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU54429/98A Abandoned AU5442998A (en) | 1996-11-18 | 1997-11-18 | Adaptive beamforming for wireless communication |
Country Status (3)
Country | Link |
---|---|
AU (1) | AU5442998A (en) |
BR (1) | BR9713093A (en) |
WO (1) | WO1998023101A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1091447A1 (en) * | 1999-10-07 | 2001-04-11 | Siemens Aktiengesellschaft | Antenna system, in particular for use in a mobile phone handset, and corresponding control method |
JP3562420B2 (en) * | 2000-02-10 | 2004-09-08 | 日本電気株式会社 | Adaptive antenna device |
GB2406755B (en) * | 2003-10-04 | 2008-07-02 | Motorola Inc | Communication system, communication unit and method of sharing a communication resource |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5634199A (en) * | 1993-04-14 | 1997-05-27 | Stanford University | Method of subspace beamforming using adaptive transmitting antennas with feedback |
GB2281007B (en) * | 1993-08-12 | 1998-04-15 | Northern Telecom Ltd | Base station antenna arrangement |
TW351886B (en) * | 1993-09-27 | 1999-02-01 | Ericsson Telefon Ab L M | Using two classes of channels with different capacity |
-
1997
- 1997-11-18 AU AU54429/98A patent/AU5442998A/en not_active Abandoned
- 1997-11-18 WO PCT/US1997/021025 patent/WO1998023101A1/en active Application Filing
- 1997-11-18 BR BR9713093-1A patent/BR9713093A/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
WO1998023101A1 (en) | 1998-05-28 |
BR9713093A (en) | 2000-03-28 |
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