AU2001268939A1 - Method and communications system for estimating an error covariance matrix for the downlink in cellular mobile radio telephone networks with adaptive antennae - Google Patents
Method and communications system for estimating an error covariance matrix for the downlink in cellular mobile radio telephone networks with adaptive antennaeInfo
- Publication number
- AU2001268939A1 AU2001268939A1 AU2001268939A AU6893901A AU2001268939A1 AU 2001268939 A1 AU2001268939 A1 AU 2001268939A1 AU 2001268939 A AU2001268939 A AU 2001268939A AU 6893901 A AU6893901 A AU 6893901A AU 2001268939 A1 AU2001268939 A1 AU 2001268939A1
- Authority
- AU
- Australia
- Prior art keywords
- downlink
- estimating
- communications system
- mobile radio
- covariance matrix
- 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
- H04B7/06—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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10025287A DE10025287B4 (en) | 2000-05-22 | 2000-05-22 | A method and communication system for estimating a downlink interference covariance matrix in cellular mobile radio networks using adaptive antennas |
DE10025287 | 2000-05-22 | ||
PCT/DE2001/001969 WO2001091324A1 (en) | 2000-05-22 | 2001-05-22 | Method and communications system for estimating an error covariance matrix for the downlink in cellular mobile radio telephone networks with adaptive antennae |
Publications (1)
Publication Number | Publication Date |
---|---|
AU2001268939A1 true AU2001268939A1 (en) | 2001-12-03 |
Family
ID=7643108
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU2001268939A Abandoned AU2001268939A1 (en) | 2000-05-22 | 2001-05-22 | Method and communications system for estimating an error covariance matrix for the downlink in cellular mobile radio telephone networks with adaptive antennae |
Country Status (6)
Country | Link |
---|---|
US (1) | US7555266B2 (en) |
EP (1) | EP1284054B1 (en) |
JP (1) | JP4705306B2 (en) |
AU (1) | AU2001268939A1 (en) |
DE (2) | DE10025287B4 (en) |
WO (1) | WO2001091324A1 (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20030016635A1 (en) * | 2001-07-10 | 2003-01-23 | Andrews Michael R. | Method and apparatus for reducing co-channel interference in a wireless downlink |
CN101005302B (en) * | 2006-01-18 | 2013-02-13 | 上海原动力通信科技有限公司 | Down beam shaping method for limiting interference in time slot CDMA system |
DE102006038826A1 (en) * | 2006-08-18 | 2008-05-15 | Nokia Siemens Networks Gmbh & Co.Kg | Direction-dependent transmission of organizational information in a cross-system channel |
KR20140091616A (en) * | 2006-12-26 | 2014-07-21 | 달리 시스템즈 씨오. 엘티디. | Method and system for baseband predistortion linearization in multi-channel wideband communication systems |
US8259599B2 (en) * | 2008-02-13 | 2012-09-04 | Qualcomm Incorporated | Systems and methods for distributed beamforming based on carrier-to-caused interference |
US8682338B2 (en) | 2010-09-14 | 2014-03-25 | Dali Systems Co., Ltd. | Remotely reconfigurable distributed antenna system and methods |
WO2019158524A1 (en) * | 2018-02-15 | 2019-08-22 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Communicating data of a first user equipment and data of a second user equipment on shared resources of a wireless communication system |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05206933A (en) * | 1992-01-27 | 1993-08-13 | Fujitsu Ltd | Radio channel allocation system |
US5594720A (en) * | 1993-11-24 | 1997-01-14 | Lucent Technologies Inc. | Multiple access cellular communication with dynamic slot allocation and reduced co-channel interferences |
AT408933B (en) | 1996-05-20 | 2002-04-25 | Josef Dipl Ing Fuhl | METHOD AND DEVICE FOR INCREASING THE SUBSCRIBER CAPACITY OF CELLULAR MOBILE RADIO NETWORKS |
JPH1023520A (en) * | 1996-07-02 | 1998-01-23 | Matsushita Electric Ind Co Ltd | Zone constituting method and transmission device utilizing the method |
JPH1065604A (en) * | 1996-08-23 | 1998-03-06 | Sony Corp | Communication method, base station and terminal equipment |
JP3293752B2 (en) * | 1997-01-22 | 2002-06-17 | 株式会社エヌ・ティ・ティ・ドコモ | Packet mobile communication method and base station receiver thereof |
DE59711749D1 (en) * | 1997-03-20 | 2004-08-05 | Siemens Ag | Method and receiving device for detecting data |
KR100312836B1 (en) * | 1997-06-03 | 2001-12-28 | 다치카와 게이지 | Adaptive array transceiver |
EP0899896A1 (en) | 1997-08-27 | 1999-03-03 | Siemens Aktiengesellschaft | Method and system to estimate spatial parameters of transmission channels |
US6009124A (en) * | 1997-09-22 | 1999-12-28 | Intel Corporation | High data rate communications network employing an adaptive sectored antenna |
FI108178B (en) * | 1997-12-16 | 2001-11-30 | Nokia Networks Oy | Increasing the capacity of a data communications network |
DE19803188B4 (en) * | 1998-01-28 | 2006-04-20 | Siemens Ag | Method and base station for data transmission in a radio communication system |
EP0979017A1 (en) * | 1998-08-07 | 2000-02-09 | Siemens Aktiengesellschaft | Method for channel allocation and radio communication system |
JP3167682B2 (en) * | 1998-09-28 | 2001-05-21 | 三洋電機株式会社 | Radio apparatus having transmission directivity and control method therefor |
US6522888B1 (en) * | 1999-08-31 | 2003-02-18 | Lucent Technologies Inc. | System for determining wireless coverage using location information for a wireless unit |
DE19951524C1 (en) | 1999-10-26 | 2001-08-23 | Siemens Ag | Beam shaping method in a radio communication system |
-
2000
- 2000-05-22 DE DE10025287A patent/DE10025287B4/en not_active Expired - Fee Related
-
2001
- 2001-05-22 JP JP2001586804A patent/JP4705306B2/en not_active Expired - Fee Related
- 2001-05-22 EP EP01947169A patent/EP1284054B1/en not_active Expired - Lifetime
- 2001-05-22 AU AU2001268939A patent/AU2001268939A1/en not_active Abandoned
- 2001-05-22 WO PCT/DE2001/001969 patent/WO2001091324A1/en active IP Right Grant
- 2001-05-22 US US10/276,922 patent/US7555266B2/en not_active Expired - Fee Related
- 2001-05-22 DE DE50109081T patent/DE50109081D1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US7555266B2 (en) | 2009-06-30 |
DE50109081D1 (en) | 2006-04-27 |
US20030162501A1 (en) | 2003-08-28 |
JP2003534708A (en) | 2003-11-18 |
JP4705306B2 (en) | 2011-06-22 |
EP1284054B1 (en) | 2006-03-01 |
EP1284054A1 (en) | 2003-02-19 |
DE10025287A1 (en) | 2001-12-06 |
DE10025287B4 (en) | 2006-06-08 |
WO2001091324A1 (en) | 2001-11-29 |
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