TWI345392B - Switched antenna transmit diversity - Google Patents

Switched antenna transmit diversity Download PDF

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Publication number
TWI345392B
TWI345392B TW092135030A TW92135030A TWI345392B TW I345392 B TWI345392 B TW I345392B TW 092135030 A TW092135030 A TW 092135030A TW 92135030 A TW92135030 A TW 92135030A TW I345392 B TWI345392 B TW I345392B
Authority
TW
Taiwan
Prior art keywords
antenna
signal
transmitter
feedback
signal transmission
Prior art date
Application number
TW092135030A
Other languages
English (en)
Chinese (zh)
Other versions
TW200419996A (en
Inventor
Philip D Coan
Harris S Simon
Michael J Wengler
Original Assignee
Qualcomm Inc
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 Qualcomm Inc filed Critical Qualcomm Inc
Publication of TW200419996A publication Critical patent/TW200419996A/zh
Application granted granted Critical
Publication of TWI345392B publication Critical patent/TWI345392B/zh

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
    • 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
    • H04B7/0623—Auxiliary parameters, e.g. power control [PCB] or not acknowledged commands [NACK], used as feedback information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • 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
    • H04B7/0404—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas the mobile station comprising multiple antennas, e.g. to provide uplink diversity
    • 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
    • H04B7/0602—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 antenna switching
    • H04B7/0608—Antenna selection according to transmission parameters
    • H04B7/061—Antenna selection according to transmission parameters using feedback from receiving side

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
  • Transmitters (AREA)
TW092135030A 2002-12-11 2003-12-11 Switched antenna transmit diversity TWI345392B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/317,295 US7062232B2 (en) 2002-12-11 2002-12-11 Switched antenna transmit diversity

Publications (2)

Publication Number Publication Date
TW200419996A TW200419996A (en) 2004-10-01
TWI345392B true TWI345392B (en) 2011-07-11

Family

ID=32506082

Family Applications (1)

Application Number Title Priority Date Filing Date
TW092135030A TWI345392B (en) 2002-12-11 2003-12-11 Switched antenna transmit diversity

Country Status (13)

Country Link
US (1) US7062232B2 (enExample)
EP (1) EP1576743B1 (enExample)
JP (1) JP2006510262A (enExample)
KR (2) KR101009143B1 (enExample)
CN (2) CN1742446A (enExample)
AU (1) AU2003297902A1 (enExample)
BR (1) BR0317160A (enExample)
CA (1) CA2509093C (enExample)
ES (1) ES2644031T3 (enExample)
HU (1) HUE034728T2 (enExample)
MX (1) MXPA05006238A (enExample)
TW (1) TWI345392B (enExample)
WO (1) WO2004054131A1 (enExample)

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US7421276B2 (en) * 2003-04-09 2008-09-02 Nortel Networks Limited Method, apparatus and system of configuring a wireless device based on location
JP3970807B2 (ja) * 2003-06-18 2007-09-05 三菱電機株式会社 無線通信装置
FR2859314A1 (fr) * 2003-08-29 2005-03-04 Thomson Licensing Sa Emetteur-recepteur a diversite d'antennes
US7515877B2 (en) * 2004-11-04 2009-04-07 Magnolia Broadband Inc. Communicating signals according to a quality indicator and a time boundary indicator
US7660598B2 (en) * 2004-12-21 2010-02-09 Qualcomm, Incorporated Transmit power reduction for a wireless device with multiple transmit signal paths
KR100809551B1 (ko) 2005-03-08 2008-03-04 재단법인서울대학교산학협력재단 이동 통신 시스템에서 귀환 비트를 이용하여 메시지를 시공간 터보 부호화하여 송신하는 장치 및 방법
JP4682684B2 (ja) * 2005-04-28 2011-05-11 パナソニック株式会社 デジタル信号受信装置
US7847740B2 (en) 2006-02-13 2010-12-07 Kyocera Corporation Antenna system having receiver antenna diversity and configurable transmission antenna and method of management thereof
KR101424527B1 (ko) 2007-04-16 2014-08-04 삼성전자주식회사 데이터를 송수신하는 장치 및 방법
US8654715B2 (en) * 2008-10-24 2014-02-18 Qualcomm Incorporated Systems and methods providing mobile transmit diversity
US8654705B2 (en) * 2008-10-24 2014-02-18 Qualcomm Incorporated System and method for supporting multiple reverse link data streams
US20100329370A1 (en) * 2009-04-28 2010-12-30 Beceem Communications Inc. Selection of a Subset of Antennas for Transmission
KR101231782B1 (ko) * 2010-12-13 2013-02-08 동국대학교 산학협력단 다수의 송신 안테나들을 구비한 서브 프레임 전송 시스템의 송신 안테나 선택 방법 및 전송 전력 제어 방법
US8737506B1 (en) 2010-12-29 2014-05-27 Sprint Communications Company L.P. Determination of transmit diversity transmission delays
US8437713B1 (en) 2011-02-16 2013-05-07 Sprint Communications Company L.P. Wireless transmit diversity control by location of a wireless communication device
US8565686B2 (en) 2011-06-30 2013-10-22 Sprint Communications Company L.P. Power status multipath search window sizing for wireless communications
US9379788B2 (en) * 2013-02-21 2016-06-28 Intel Mobile Communications GmbH Communications terminal, and a method for selecting a transmit antenna for a transmission to a radio communications network
JP6277529B2 (ja) * 2013-03-21 2018-02-14 パナソニックＩｐマネジメント株式会社 無線通信装置および送信電力制御方法
US9100100B2 (en) * 2013-12-31 2015-08-04 Futurewei Technologies, Inc. Wireless electronic device with switchable antenna system
CN104506221B (zh) * 2014-12-12 2018-11-09 福建星网锐捷网络有限公司 天线控制方法及天线
KR102372072B1 (ko) * 2016-02-19 2022-03-17 삼성전자주식회사 송신 안테나 선택 방법 및 이를 지원하는 전자 장치
CN107333340B (zh) * 2017-07-06 2018-12-04 上海交通大学 多波束天线组网方法及装置
KR101971682B1 (ko) 2018-10-25 2019-08-13 엘아이지넥스원 주식회사 무선 단말기의 수신 안테나 선택 방법
US10840995B1 (en) * 2019-11-04 2020-11-17 Qualcomm Incorporated Diversity techniques in true wireless stereo (TWS) shadowing

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US5812935A (en) * 1993-04-17 1998-09-22 Hughes Electronics Cellular system employing base station transmit diversity according to transmission quality level
US5437055A (en) * 1993-06-03 1995-07-25 Qualcomm Incorporated Antenna system for multipath diversity in an indoor microcellular communication system
US5574747A (en) * 1995-01-04 1996-11-12 Interdigital Technology Corporation Spread spectrum adaptive power control system and method
JP3111906B2 (ja) * 1996-07-17 2000-11-27 日本電気株式会社 無線基地局装置
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US6108526A (en) * 1997-05-07 2000-08-22 Lucent Technologies, Inc. Antenna system and method thereof
JP2002026796A (ja) * 1998-04-07 2002-01-25 Matsushita Electric Ind Co Ltd 無線通信装置及び無線通信システム
KR100348191B1 (ko) * 1998-06-13 2002-08-09 삼성전자 주식회사 부호분할다중접속 통신시스템의 비직교 잡음 측정장치 및 방법
US6690652B1 (en) * 1998-10-26 2004-02-10 International Business Machines Corporation Adaptive power control in wideband CDMA cellular systems (WCDMA) and methods of operation
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FI19991940A7 (fi) * 1999-09-10 2001-03-11 Nokia Corp Lähetysdiversiteetti
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KR100353641B1 (ko) * 2000-12-21 2002-09-28 삼성전자 주식회사 부호분할다중접속 이동통신시스템의 기지국 전송 안테나다이버시티 장치 및 방법
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JP3818078B2 (ja) * 2001-03-30 2006-09-06 株式会社デンソー ダイバーシティ無線機
US6785341B2 (en) * 2001-05-11 2004-08-31 Qualcomm Incorporated Method and apparatus for processing data in a multiple-input multiple-output (MIMO) communication system utilizing channel state information
US6662024B2 (en) 2001-05-16 2003-12-09 Qualcomm Incorporated Method and apparatus for allocating downlink resources in a multiple-input multiple-output (MIMO) communication system
US7010316B2 (en) * 2001-09-28 2006-03-07 Qualcomm Incorporated Method and apparatus for multi-channel reverse link outer-loop power control
US7212788B2 (en) * 2002-08-13 2007-05-01 Atheros Communications, Inc. Method and apparatus for signal power loss reduction in RF communication systems
US20040087332A1 (en) * 2002-10-31 2004-05-06 Samsung Electronics Co., Ltd. Apparatus and method for simultaneous operation of a base transceiver subsystem in a wireless network

Also Published As

Publication number Publication date
EP1576743A1 (en) 2005-09-21
ES2644031T3 (es) 2017-11-27
BR0317160A (pt) 2005-11-01
KR101009143B1 (ko) 2011-01-18
CA2509093A1 (en) 2004-06-24
MXPA05006238A (es) 2005-09-08
KR20050085433A (ko) 2005-08-29
KR101009215B1 (ko) 2011-01-19
EP1576743B1 (en) 2017-08-02
CN1742446A (zh) 2006-03-01
AU2003297902A1 (en) 2004-06-30
WO2004054131A1 (en) 2004-06-24
US7062232B2 (en) 2006-06-13
CN103051364A (zh) 2013-04-17
TW200419996A (en) 2004-10-01
US20040203541A1 (en) 2004-10-14
CA2509093C (en) 2012-10-16
HUE034728T2 (en) 2018-02-28
JP2006510262A (ja) 2006-03-23
KR20100117683A (ko) 2010-11-03

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MM4A Annulment or lapse of patent due to non-payment of fees