FI106669B - Lähetysmenetelmä ja radiojärjestelmä - Google Patents
Lähetysmenetelmä ja radiojärjestelmä Download PDFInfo
- Publication number
- FI106669B FI106669B FI973422A FI973422A FI106669B FI 106669 B FI106669 B FI 106669B FI 973422 A FI973422 A FI 973422A FI 973422 A FI973422 A FI 973422A FI 106669 B FI106669 B FI 106669B
- Authority
- FI
- Finland
- Prior art keywords
- signal
- phase
- signals
- receiver
- radio system
- Prior art date
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
- 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
- H04B7/0632—Channel quality parameters, e.g. channel quality indicator [CQI]
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Transmitters (AREA)
- Radar Systems Or Details Thereof (AREA)
- Circuits Of Receivers In General (AREA)
- Radio Transmission System (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
Priority Applications (10)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI973422A FI106669B (fi) | 1997-08-20 | 1997-08-20 | Lähetysmenetelmä ja radiojärjestelmä |
EP98939672A EP0951759B1 (en) | 1997-08-20 | 1998-08-19 | Transmission method and radio system |
JP51285499A JP3930059B2 (ja) | 1997-08-20 | 1998-08-19 | 伝送方法及び無線システム |
DE69838972T DE69838972T2 (de) | 1997-08-20 | 1998-08-19 | Übertragungsverfahren und funksystem |
AU88099/98A AU746749B2 (en) | 1997-08-20 | 1998-08-19 | Transmission method and radio system |
PCT/FI1998/000639 WO1999009677A2 (en) | 1997-08-20 | 1998-08-19 | Transmission method and radio system |
AT98939672T ATE383681T1 (de) | 1997-08-20 | 1998-08-19 | Übertragungsverfahren und funksystem |
US09/269,688 US6430399B1 (en) | 1997-08-20 | 1998-08-19 | Multipath transmission for optimizing receiver reception |
CNB988011891A CN1135736C (zh) | 1997-08-20 | 1998-08-19 | 发射方法及无线系统 |
NO991858A NO991858L (no) | 1997-08-20 | 1999-04-19 | FremgangsmÕte for sending, samt radiosystem |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI973422A FI106669B (fi) | 1997-08-20 | 1997-08-20 | Lähetysmenetelmä ja radiojärjestelmä |
FI973422 | 1997-08-20 |
Publications (3)
Publication Number | Publication Date |
---|---|
FI973422A0 FI973422A0 (fi) | 1997-08-20 |
FI973422A FI973422A (fi) | 1999-02-21 |
FI106669B true FI106669B (fi) | 2001-03-15 |
Family
ID=8549393
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI973422A FI106669B (fi) | 1997-08-20 | 1997-08-20 | Lähetysmenetelmä ja radiojärjestelmä |
Country Status (10)
Country | Link |
---|---|
US (1) | US6430399B1 (zh) |
EP (1) | EP0951759B1 (zh) |
JP (1) | JP3930059B2 (zh) |
CN (1) | CN1135736C (zh) |
AT (1) | ATE383681T1 (zh) |
AU (1) | AU746749B2 (zh) |
DE (1) | DE69838972T2 (zh) |
FI (1) | FI106669B (zh) |
NO (1) | NO991858L (zh) |
WO (1) | WO1999009677A2 (zh) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3519276B2 (ja) * | 1998-06-18 | 2004-04-12 | 松下電器産業株式会社 | キャリブレーション装置 |
ATE211334T1 (de) * | 1999-05-26 | 2002-01-15 | Motorola Inc | Sende-diversity verfahren und system mit phasenregelung für funkübertragungssysteme |
US6327299B1 (en) * | 1999-08-31 | 2001-12-04 | Motorola, Inc. | Method and system for measuring and adjusting the quality of an orthogonal transmit diversity signal in a wireless communications system |
JP4187377B2 (ja) | 2000-02-23 | 2008-11-26 | 富士通株式会社 | 無線送受信機及び電波放射方向制御方法 |
DE10025987C2 (de) * | 2000-05-25 | 2002-04-04 | Siemens Ag | Verfahren zum Steuern der Downlink-Strahlformung |
EP1428328A1 (en) * | 2001-09-19 | 2004-06-16 | Nokia Corporation | Adaptive transceiver system |
US7142830B2 (en) | 2001-09-19 | 2006-11-28 | Nokia Corporation | Adaptive transceiver system |
JP4634672B2 (ja) * | 2001-09-25 | 2011-02-16 | 三菱電機株式会社 | サイトダイバーシチ送受信装置 |
US7263385B2 (en) * | 2002-08-23 | 2007-08-28 | Qualcomm Incorporated | System and method for beamforming with data rate control feedback |
US8451934B1 (en) * | 2002-08-28 | 2013-05-28 | Clifford Kraft | Method and system for increasing throughput of a wireless channel using multipath transmission |
CN103139830B (zh) * | 2011-12-05 | 2018-05-11 | 中兴通讯股份有限公司 | 一种进行在线dpct相位寻优的装置和方法 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1259031B (it) * | 1992-05-25 | 1996-03-11 | Alcatel Italia | Metodo e dispositivo per ottimizzare il collegamento radio per un sistema di trasmissione radio digitale in diversita' di spazio e/o angolo variando il livello di attenuazione relativo tra i due canali |
SE513454C2 (sv) * | 1992-07-09 | 2000-09-18 | Telia Ab | Förfarande och anordning för radiokommunikation med frekvensdiversitet |
DE4233340A1 (de) * | 1992-10-05 | 1994-04-07 | Basf Ag | Acetaldehydacetaleinheiten enthaltende Polyacetale, Verfahren zu ihrer Herstellung und ihre Verwendung in Wasch- und Reinigungsmitteln |
US5471647A (en) * | 1993-04-14 | 1995-11-28 | The Leland Stanford Junior University | Method for minimizing cross-talk in adaptive transmission antennas |
TW351886B (en) * | 1993-09-27 | 1999-02-01 | Ericsson Telefon Ab L M | Using two classes of channels with different capacity |
JP2626514B2 (ja) * | 1993-11-08 | 1997-07-02 | 日本電気株式会社 | 基地局送受信装置 |
US6101399A (en) * | 1995-02-22 | 2000-08-08 | The Board Of Trustees Of The Leland Stanford Jr. University | Adaptive beam forming for transmitter operation in a wireless communication system |
WO1997023064A1 (en) * | 1995-12-18 | 1997-06-26 | The Board Of Trustees Of The Leland Stanford Junior University | Diversity combining circuits |
IL120574A (en) * | 1996-05-17 | 2002-09-12 | Motorala Ltd | Methods and devices for transmitter track weights |
US6115464A (en) * | 1997-10-29 | 2000-09-05 | Siemens Information And Communication Networks, Inc. | Method and system for distinguishing valid DTMF signals from spurious DTMF noise |
US6154661A (en) * | 1997-12-10 | 2000-11-28 | Arraycomm, Inc. | Transmitting on the downlink using one or more weight vectors determined to achieve a desired radiation pattern |
-
1997
- 1997-08-20 FI FI973422A patent/FI106669B/fi active
-
1998
- 1998-08-19 WO PCT/FI1998/000639 patent/WO1999009677A2/en active IP Right Grant
- 1998-08-19 DE DE69838972T patent/DE69838972T2/de not_active Expired - Lifetime
- 1998-08-19 CN CNB988011891A patent/CN1135736C/zh not_active Expired - Lifetime
- 1998-08-19 JP JP51285499A patent/JP3930059B2/ja not_active Expired - Lifetime
- 1998-08-19 AU AU88099/98A patent/AU746749B2/en not_active Ceased
- 1998-08-19 AT AT98939672T patent/ATE383681T1/de not_active IP Right Cessation
- 1998-08-19 EP EP98939672A patent/EP0951759B1/en not_active Expired - Lifetime
- 1998-08-19 US US09/269,688 patent/US6430399B1/en not_active Expired - Lifetime
-
1999
- 1999-04-19 NO NO991858A patent/NO991858L/no not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
JP3930059B2 (ja) | 2007-06-13 |
WO1999009677A3 (en) | 1999-04-15 |
FI973422A (fi) | 1999-02-21 |
NO991858D0 (no) | 1999-04-19 |
AU746749B2 (en) | 2002-05-02 |
DE69838972T2 (de) | 2009-01-15 |
US6430399B1 (en) | 2002-08-06 |
EP0951759B1 (en) | 2008-01-09 |
JP2001505029A (ja) | 2001-04-10 |
FI973422A0 (fi) | 1997-08-20 |
ATE383681T1 (de) | 2008-01-15 |
CN1237292A (zh) | 1999-12-01 |
CN1135736C (zh) | 2004-01-21 |
EP0951759A2 (en) | 1999-10-27 |
NO991858L (no) | 1999-04-19 |
DE69838972D1 (de) | 2008-02-21 |
AU8809998A (en) | 1999-03-08 |
WO1999009677A2 (en) | 1999-02-25 |
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