ATE398861T1 - Funkstation mit sendediversität in geschlossener schleife und verfahren zur senderegelung einer solchen station - Google Patents
Funkstation mit sendediversität in geschlossener schleife und verfahren zur senderegelung einer solchen stationInfo
- Publication number
- ATE398861T1 ATE398861T1 AT02291848T AT02291848T ATE398861T1 AT E398861 T1 ATE398861 T1 AT E398861T1 AT 02291848 T AT02291848 T AT 02291848T AT 02291848 T AT02291848 T AT 02291848T AT E398861 T1 ATE398861 T1 AT E398861T1
- Authority
- AT
- Austria
- Prior art keywords
- station
- closed loop
- transmission diversity
- loop transmission
- transmitter control
- Prior art date
Links
- 230000005540 biological transmission Effects 0.000 title abstract 3
- 239000013598 vector Substances 0.000 abstract 2
- 230000008054 signal transmission Effects 0.000 abstract 1
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
- H04B7/0619—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 using feedback from receiving side
- H04B7/0621—Feedback content
- H04B7/0634—Antenna weights or vector/matrix coefficients
Landscapes
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Radio Transmission System (AREA)
- Transmitters (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0109928A FR2828034B1 (fr) | 2001-07-25 | 2001-07-25 | Station radio a diversite d'emission en boucle fermee, et procede de controle d'emission d'une telle station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE398861T1 true ATE398861T1 (de) | 2008-07-15 |
Family
ID=8865880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT02291848T ATE398861T1 (de) | 2001-07-25 | 2002-07-22 | Funkstation mit sendediversität in geschlossener schleife und verfahren zur senderegelung einer solchen station |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US7123942B2 (de) |
| EP (1) | EP1280286B1 (de) |
| AT (1) | ATE398861T1 (de) |
| DE (1) | DE60227136D1 (de) |
| FR (1) | FR2828034B1 (de) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2396275B (en) * | 2002-12-09 | 2006-03-15 | Ipwireless Inc | Support of plural chip rates in a CDMA system |
| US20050221816A1 (en) * | 2004-03-31 | 2005-10-06 | Hall Thomas M | System for and method of operating a radio station in a broadcast network |
| US8229378B2 (en) * | 2008-05-22 | 2012-07-24 | Broadcom Corporation | Receiver with hybrid reception estimation and methods for use therewith |
| US8537785B2 (en) * | 2009-03-05 | 2013-09-17 | Huawei Technologies Co., Ltd | Method and apparatus for cell/sector coverage of a public channel through multiple antennas |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5886988A (en) * | 1996-10-23 | 1999-03-23 | Arraycomm, Inc. | Channel assignment and call admission control for spatial division multiple access communication systems |
| US6067324A (en) * | 1998-06-30 | 2000-05-23 | Motorola, Inc. | Method and system for transmitting and demodulating a communications signal using an adaptive antenna array in a wireless communication system |
| US6985466B1 (en) * | 1999-11-09 | 2006-01-10 | Arraycomm, Inc. | Downlink signal processing in CDMA systems utilizing arrays of antennae |
| US6888809B1 (en) * | 2000-01-13 | 2005-05-03 | Lucent Technologies Inc. | Space-time processing for multiple-input, multiple-output, wireless systems |
| JP2001333002A (ja) * | 2000-05-24 | 2001-11-30 | Ntt Docomo Inc | 移動通信システムにおける送信アンテナウェイト推定方法および移動通信端末 |
| US6842632B2 (en) * | 2002-12-30 | 2005-01-11 | Nokia Corporation | Apparatus, and associated method, for facilitating antenna weight selection utilizing deterministic perturbation gradient approximation |
-
2001
- 2001-07-25 FR FR0109928A patent/FR2828034B1/fr not_active Expired - Fee Related
-
2002
- 2002-07-22 DE DE60227136T patent/DE60227136D1/de not_active Expired - Lifetime
- 2002-07-22 AT AT02291848T patent/ATE398861T1/de not_active IP Right Cessation
- 2002-07-22 EP EP02291848A patent/EP1280286B1/de not_active Expired - Lifetime
- 2002-07-23 US US10/200,627 patent/US7123942B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US7123942B2 (en) | 2006-10-17 |
| FR2828034B1 (fr) | 2005-06-10 |
| DE60227136D1 (de) | 2008-07-31 |
| FR2828034A1 (fr) | 2003-01-31 |
| EP1280286B1 (de) | 2008-06-18 |
| EP1280286A1 (de) | 2003-01-29 |
| US20030022695A1 (en) | 2003-01-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |