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 Mobilstation

Info

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
Application number
DE60135798T
Other languages
English (en)
Inventor
Sung-Jin Kim
Yong-Suk Lee
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Samsung Electronics Co Ltd
Original Assignee
Samsung Electronics Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Application granted granted Critical
Publication of DE60135798D1 publication Critical patent/DE60135798D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; 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; CARE OF BIRDS, FISHES, INSECTS; 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
DE60135798T 2000-04-10 2001-04-05 Verfahren und Gerät zur Schätzung des optimalen Gewichtes einer Sende-Diversität mit geschlossenem Regelkreis in einer Mobilstation Expired - Lifetime DE60135798D1 (de)

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)

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KR100464014B1 (ko) * 2002-03-21 2004-12-30 엘지전자 주식회사 다중 입출력 이동 통신 시스템에서의 폐루프 신호 처리 방법
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DE10217853A1 (de) * 2002-04-22 2003-11-13 Infineon Technologies Ag Vorrichtung zur Berechnung von FSM-Bits im UMTS-Standard
ATE338388T1 (de) * 2002-04-30 2006-09-15 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
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
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
KR100900970B1 (ko) * 2002-10-19 2009-06-08 삼성전자주식회사 기지국/이동국 다중안테나를 포함하는 이동통신장치 및 방법
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DE10251479A1 (de) * 2002-11-05 2004-05-19 Siemens Ag Verfahren zur Schätzung einer Kanalqualität
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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
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
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
CN101764633B (zh) * 2004-02-11 2016-08-17 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

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Also Published As

Publication number Publication date
US6766144B2 (en) 2004-07-20
JP3740030B2 (ja) 2006-01-25
KR100493150B1 (ko) 2005-06-02
US20020013130A1 (en) 2002-01-31
EP1146660A2 (de) 2001-10-17
KR20010095535A (ko) 2001-11-07
CN1170385C (zh) 2004-10-06
JP2001352280A (ja) 2001-12-21
EP1146660A3 (de) 2001-11-21
CN1317891A (zh) 2001-10-17
EP1146660B1 (de) 2008-09-17

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