DE60135798D1 - Verfahren und Gerät zur Schätzung des optimalen Gewichtes einer Sende-Diversität mit geschlossenem Regelkreis in einer Mobilstation - Google Patents
Verfahren und Gerät zur Schätzung des optimalen Gewichtes einer Sende-Diversität mit geschlossenem Regelkreis in einer MobilstationInfo
- Publication number
- DE60135798D1 DE60135798D1 DE60135798T DE60135798T DE60135798D1 DE 60135798 D1 DE60135798 D1 DE 60135798D1 DE 60135798 T DE60135798 T DE 60135798T DE 60135798 T DE60135798 T DE 60135798T DE 60135798 D1 DE60135798 D1 DE 60135798D1
- Authority
- DE
- Germany
- Prior art keywords
- estimating
- mobile station
- closed loop
- transmission diversity
- loop transmission
- 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.)
- Expired - Lifetime
Links
- 230000005540 biological transmission Effects 0.000 title 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
- A01K63/04—Arrangements for treating water specially adapted to receptacles for live fish
- A01K63/042—Introducing gases into the water, e.g. aerators, air pumps
-
- 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
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
- A01K63/06—Arrangements for heating or lighting in, or attached to, receptacles for live fish
-
- 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
- H04B7/0636—Feedback format
- H04B7/0639—Using selective indices, e.g. of a codebook, e.g. pre-distortion matrix index [PMI] or for beam selection
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Environmental Sciences (AREA)
- Marine Sciences & Fisheries (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Radio Transmission System (AREA)
- Mobile Radio Communication Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2000-0018669A KR100493150B1 (ko) | 2000-04-10 | 2000-04-10 | 이동통신을 위한 폐루프 전송 다이버시티의 최적 가중치탐색장치 및 방법 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE60135798D1 true DE60135798D1 (de) | 2008-10-30 |
Family
ID=19663105
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60135798T Expired - Lifetime DE60135798D1 (de) | 2000-04-10 | 2001-04-05 | Verfahren und Gerät zur Schätzung des optimalen Gewichtes einer Sende-Diversität mit geschlossenem Regelkreis in einer Mobilstation |
Country Status (6)
Country | Link |
---|---|
US (1) | US6766144B2 (de) |
EP (1) | EP1146660B1 (de) |
JP (1) | JP3740030B2 (de) |
KR (1) | KR100493150B1 (de) |
CN (1) | CN1170385C (de) |
DE (1) | DE60135798D1 (de) |
Families Citing this family (34)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6839326B1 (en) * | 2000-09-26 | 2005-01-04 | Nokia Corporation | Antenna phase estimation algorithm for WCDMA closed loop transmitter antenna diversity system |
DE10123611A1 (de) * | 2001-05-15 | 2002-11-21 | Siemens Ag | Verfahren zum Betreiben eines zellularen Funk-Kommunikationsystems und Stationen dafür |
WO2002095982A1 (en) * | 2001-05-21 | 2002-11-28 | Nokia Corporation | Communication system and method using transmit diversity |
GB2376567B (en) * | 2001-06-12 | 2005-07-20 | Mobisphere Ltd | Improvements in or relating to smart antenna arrays |
JP4191050B2 (ja) * | 2002-01-18 | 2008-12-03 | 富士通株式会社 | 閉ループ送信ダイバーシチにおけるフィードバック制御方法及び装置 |
KR100464014B1 (ko) * | 2002-03-21 | 2004-12-30 | 엘지전자 주식회사 | 다중 입출력 이동 통신 시스템에서의 폐루프 신호 처리 방법 |
AU2002250773A1 (en) * | 2002-03-22 | 2003-10-08 | Huawei Technologies Co., Ltd. | A self-adapting weighted space time transmitting diversity method and system thereof |
DE10217853A1 (de) * | 2002-04-22 | 2003-11-13 | Infineon Technologies Ag | Vorrichtung zur Berechnung von FSM-Bits im UMTS-Standard |
EP1359683B1 (de) * | 2002-04-30 | 2006-08-30 | Motorola, Inc. | Drahtlose Kommunikation mittels Vielfachsende- und Vielfachempfangs-Antennenanordnung |
US7010055B2 (en) * | 2002-06-27 | 2006-03-07 | Motorola, Inc. | System implementing closed loop transmit diversity and method thereof |
JP3679075B2 (ja) | 2002-09-13 | 2005-08-03 | 松下電器産業株式会社 | 無線送信装置および無線送信方法 |
US7961774B2 (en) * | 2002-10-15 | 2011-06-14 | Texas Instruments Incorporated | Multipath interference-resistant receivers for closed-loop transmit diversity (CLTD) in code-division multiple access (CDMA) systems |
JP3969275B2 (ja) * | 2002-10-15 | 2007-09-05 | 株式会社日立製作所 | 無線位置測定方法および装置 |
KR100900970B1 (ko) * | 2002-10-19 | 2009-06-08 | 삼성전자주식회사 | 기지국/이동국 다중안테나를 포함하는 이동통신장치 및 방법 |
EP1568155A4 (de) * | 2002-10-29 | 2011-06-22 | Nokia Corp | Strahlformer mit niedriger komplexität für mehrere sende- und empfangsantennen |
DE10251479A1 (de) * | 2002-11-05 | 2004-05-19 | Siemens Ag | Verfahren zur Schätzung einer Kanalqualität |
JP4197482B2 (ja) | 2002-11-13 | 2008-12-17 | パナソニック株式会社 | 基地局の送信方法、基地局の送信装置及び通信端末 |
CN100426707C (zh) * | 2003-01-03 | 2008-10-15 | 华为技术有限公司 | 一种闭环发射分集系统中反馈信号的处理方法及其装置 |
CN100454795C (zh) * | 2003-01-03 | 2009-01-21 | 华为技术有限公司 | 一种自适应空时闭环发射分集方法及其系统 |
KR100571862B1 (ko) * | 2003-02-17 | 2006-04-17 | 삼성전자주식회사 | 다중 안테나를 포함하는 이동통신 시스템 및 그 방법 |
CN1910830B (zh) * | 2004-01-20 | 2011-06-08 | Lg电子株式会社 | 在多输入多输出系统中发射/接收信号的方法 |
KR100690872B1 (ko) | 2004-01-20 | 2007-03-09 | 엘지전자 주식회사 | 폐루프 mimo 시스템의 신호 전송 방법 |
KR101016459B1 (ko) * | 2004-01-27 | 2011-02-23 | 엘지전자 주식회사 | 다중입력 다중출력 시스템의 전력제어방법 |
CN1918817B (zh) * | 2004-02-11 | 2011-05-11 | Lg电子株式会社 | 发射和接收数据流的方法和系统 |
WO2006038828A1 (en) * | 2004-09-29 | 2006-04-13 | Intel Corporation | Multicarrier receiver and methods of generating spatial correlation estimates for signals received with a plurality of antennas |
JP4364820B2 (ja) * | 2005-03-09 | 2009-11-18 | 株式会社メガチップス | Ofdmダイバーシティ受信装置 |
US8385433B2 (en) * | 2005-10-27 | 2013-02-26 | Qualcomm Incorporated | Linear precoding for spatially correlated channels |
KR100867315B1 (ko) | 2006-02-03 | 2008-11-06 | 삼성전자주식회사 | 코드북 기반의 빔포밍 시스템에서 빔포밍 벡터 결정 장치및 방법 |
KR101154992B1 (ko) * | 2006-04-24 | 2012-06-14 | 엘지전자 주식회사 | 다중 사용자 시스템에 적용되는 신호 수신 방법 |
WO2008002224A1 (en) * | 2006-06-26 | 2008-01-03 | Telefonaktiebolaget L M Ericsson (Publ) | A method and apparatus to optimize the choice of communication link in a wireless network with mimo |
US7680027B2 (en) * | 2007-05-04 | 2010-03-16 | Beceem Communications Inc. | Methods and systems for channel estimation in a collaborative multi input multiple output (MIMO) communication system |
JP5542825B2 (ja) * | 2009-08-17 | 2014-07-09 | 株式会社日立製作所 | 無線基地局、ならびに無線通信システム |
CN102404034B (zh) * | 2011-11-24 | 2014-06-04 | 华为技术有限公司 | 发射分集的权值向量调整方法和终端设备 |
CN102571176B (zh) * | 2011-12-30 | 2014-07-09 | 华为技术有限公司 | 一种发射分集权重向量的调整方法、系统及终端设备 |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2657173B1 (fr) * | 1990-01-16 | 1992-04-10 | Thomson Csf | Procede et dispositif de separation de signaux en temps reel. |
US5471647A (en) | 1993-04-14 | 1995-11-28 | The Leland Stanford Junior University | Method for minimizing cross-talk in adaptive transmission antennas |
US5634199A (en) | 1993-04-14 | 1997-05-27 | Stanford University | Method of subspace beamforming using adaptive transmitting antennas with feedback |
DE69637911D1 (de) * | 1995-07-19 | 2009-06-04 | Nec Corp | Diversity-Übertragungssystem mit Kodevielfachzugriff |
DE69705356T2 (de) * | 1996-05-17 | 2002-05-02 | Motorola Ltd., Basingstoke | Verfahren und Vorrichtung zur Gewichtung eines Uebertragungsweges |
WO1998024192A1 (en) * | 1996-11-26 | 1998-06-04 | Trw Inc. | Cochannel signal processing system |
KR100282643B1 (ko) * | 1998-03-30 | 2001-02-15 | 유태로 | 적응 배열 안테나의 적응 제어 장치와 방법 |
JP2000013128A (ja) * | 1998-06-23 | 2000-01-14 | Ntt Mobil Communication Network Inc | アダプティブアレイ送受信機 |
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 |
ES2212484T3 (es) * | 1999-03-12 | 2004-07-16 | Motorola, Inc. | Aparatos y metodo de generacion de los factores de ponderacion de las antenas transmisoras. |
KR100296053B1 (ko) * | 1999-03-18 | 2001-07-12 | 정규석 | 시디엠에이 적응배열 안테나 시스템의 레이크 수신기 |
US6393257B1 (en) * | 1999-04-29 | 2002-05-21 | Qualcomm Incorporated | Wireless communications receiver and decoder for receiving encoded transmissions, such as transmissions using turbo codes, and estimating channel conditions |
BR9917298A (pt) * | 1999-05-19 | 2002-02-19 | Nokia Networks Oy | Método de diversidade de transmissão para um sistema de comunicação sem fio e transmissor e receptor para um sistema de comunicação sem fio |
US6594473B1 (en) * | 1999-05-28 | 2003-07-15 | Texas Instruments Incorporated | Wireless system with transmitter having multiple transmit antennas and combining open loop and closed loop transmit diversities |
KR100316777B1 (ko) * | 1999-08-24 | 2001-12-12 | 윤종용 | 차세대 이동 통신 시스템에서의 폐쇄 루프 전송 안테나 다이버시티 방법 및 이를 위한 기지국 장치 및 이동국 장치 |
KR100689398B1 (ko) * | 1999-10-09 | 2007-03-08 | 삼성전자주식회사 | 이동통신시스템에서 폐루프 송신 안테나 다이버시티 장치 및 방법 |
US20010033622A1 (en) * | 2000-03-14 | 2001-10-25 | Joengren George | Robust utilization of feedback information in space-time coding |
-
2000
- 2000-04-10 KR KR10-2000-0018669A patent/KR100493150B1/ko not_active IP Right Cessation
-
2001
- 2001-04-05 EP EP01303238A patent/EP1146660B1/de not_active Expired - Lifetime
- 2001-04-05 DE DE60135798T patent/DE60135798D1/de not_active Expired - Lifetime
- 2001-04-10 JP JP2001111502A patent/JP3740030B2/ja not_active Expired - Fee Related
- 2001-04-10 US US09/829,399 patent/US6766144B2/en not_active Expired - Lifetime
- 2001-04-10 CN CNB011163607A patent/CN1170385C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN1317891A (zh) | 2001-10-17 |
EP1146660A2 (de) | 2001-10-17 |
KR20010095535A (ko) | 2001-11-07 |
US20020013130A1 (en) | 2002-01-31 |
EP1146660B1 (de) | 2008-09-17 |
EP1146660A3 (de) | 2001-11-21 |
JP3740030B2 (ja) | 2006-01-25 |
JP2001352280A (ja) | 2001-12-21 |
US6766144B2 (en) | 2004-07-20 |
KR100493150B1 (ko) | 2005-06-02 |
CN1170385C (zh) | 2004-10-06 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE60135798D1 (de) | Verfahren und Gerät zur Schätzung des optimalen Gewichtes einer Sende-Diversität mit geschlossenem Regelkreis in einer Mobilstation | |
DE69939576D1 (de) | Verfahren und Gerät zur Steurerung der Übertragungszeiten eines drahtlosen Sender-Empfänger | |
DE69929788D1 (de) | Verfahren und vorrichtung zur diversitätsübertragung | |
DE10085409T1 (de) | Verfahren und Vorrichtung zur effizienten Diversity-Übertragung unter Benutzung komplexer Raum-Zeit-Blockkodes | |
DE69909250D1 (de) | Gerät und verfahren zur ortsbestimmung einer mobilen station in einer mobilen kommunikationsanordnung | |
DE69914780D1 (de) | Basis- und Mobilstation und Verfahren zur Sendeleistungsregelung | |
AU3669201A (en) | Method and apparatus for simulating and planning of wireless position location networks | |
IL152335A0 (en) | Apparatus for and method of reducing interference in a communications receiver | |
IL170579A (en) | Method and apparatus for performing position determination in a wireless communication network with repeaters | |
IL174355A0 (en) | Method and apparatus for closed loop transmission | |
EP1422853A4 (de) | Funkübertragungssystem und verfahren und in dem funkübertragungssystem verwendete sendestationsvorrichtung und empfangsstationsvorrichtung | |
EP1182801A4 (de) | Mobilstationsvorrichtung und verfahren zur sendeleistunsregelung | |
EP1363410A4 (de) | Funkübertragungsvorrichtung und funkkommunikationsverfahren | |
DE69929575D1 (de) | Verfahren zur drahtlosen Kommunikationssteuerung und Vorrichtung zur drahtlosen Übertragung | |
AU9659801A (en) | Method and apparatus for estimating downlink beamforming weights in a communications system | |
DE60004783D1 (de) | Funkkommunikationsgerät und verfahren zur steuerung der übertragungstärke | |
DE60238732D1 (de) | Vorrichtung und Verfahren zur Sendeleistungsregelung und Mobilstation | |
AU8301501A (en) | Method and apparatus for multipath parameter estimation in spread-spectrum communications systems | |
EP1422861A4 (de) | Sende-empfangs-vorrichtung und sende-empfangs-verfahren | |
DE60041238D1 (de) | Verfahren und Gerät zur Kontrolle Antennastrahlen in einer zellularen Kommunikationsanordnung | |
EP1182803A4 (de) | Gerät und verfahren für radiokommunikation | |
EP1294102A4 (de) | Kommunikationsvorrichtung und kommunikationsverfahren | |
EP1176739A4 (de) | Übertragungsgerät und übertragungsverfahren | |
GB2370452B (en) | Communication method and apparatus | |
EP1179903A4 (de) | Verfahren und vorrichtung zur nachrichtenübertragung |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |