ATE375634T1 - Sende-diversität mit zwei kreuzpolarisationsgruppenantennen - Google Patents

Sende-diversität mit zwei kreuzpolarisationsgruppenantennen

Info

Publication number
ATE375634T1
ATE375634T1 AT02751494T AT02751494T ATE375634T1 AT E375634 T1 ATE375634 T1 AT E375634T1 AT 02751494 T AT02751494 T AT 02751494T AT 02751494 T AT02751494 T AT 02751494T AT E375634 T1 ATE375634 T1 AT E375634T1
Authority
AT
Austria
Prior art keywords
diversity
performance chart
selecting
tables
mapping
Prior art date
Application number
AT02751494T
Other languages
English (en)
Inventor
Jyri Haemaelaeinen
Risto Wichman
Original Assignee
Nokia Corp
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 Nokia Corp filed Critical Nokia Corp
Application granted granted Critical
Publication of ATE375634T1 publication Critical patent/ATE375634T1/de

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
    • H04B7/0686—Hybrid systems, i.e. switching and simultaneous transmission
    • H04B7/0689—Hybrid systems, i.e. switching and simultaneous transmission using different transmission schemes, at least one of them being a diversity transmission scheme
    • 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
    • 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
    • H04B7/10—Polarisation diversity; Directional 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
    • H04B7/0613—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
    • H04B7/0617—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 for beam forming
    • 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
    • H04B7/0652—Feedback error handling
    • H04B7/0654—Feedback error handling at the receiver, e.g. antenna verification at mobile station

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Radio Transmission System (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Details Of Aerials (AREA)
AT02751494T 2002-08-05 2002-08-05 Sende-diversität mit zwei kreuzpolarisationsgruppenantennen ATE375634T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/IB2002/003029 WO2004015887A1 (en) 2002-08-05 2002-08-05 Transmission diversity with two cross-polarised antennas arrays

Publications (1)

Publication Number Publication Date
ATE375634T1 true ATE375634T1 (de) 2007-10-15

Family

ID=31503900

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02751494T ATE375634T1 (de) 2002-08-05 2002-08-05 Sende-diversität mit zwei kreuzpolarisationsgruppenantennen

Country Status (6)

Country Link
US (1) US7136627B2 (de)
EP (1) EP1527529B1 (de)
AT (1) ATE375634T1 (de)
AU (1) AU2002368163A1 (de)
DE (1) DE60222942T2 (de)
WO (1) WO2004015887A1 (de)

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WO2004073206A1 (en) 2003-02-14 2004-08-26 Nortel Networks Limited Antenna diversity
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KR100575930B1 (ko) * 2003-05-16 2006-05-02 삼성전자주식회사 송신다이버시티를 사용하는 이동통신 시스템에 있어송신다이버시티의 방식 전환 장치 및 방법
GB0311856D0 (en) * 2003-05-22 2003-06-25 Nokia Corp Transmissions from a station with multiple antennae
GB2414365B (en) * 2004-05-19 2008-12-17 Motorola Inc Method of selecting a downlink transmit diversity technique
US7660598B2 (en) 2004-12-21 2010-02-09 Qualcomm, Incorporated Transmit power reduction for a wireless device with multiple transmit signal paths
JP4824016B2 (ja) * 2005-03-15 2011-11-24 富士通株式会社 通信装置および通信方法
EP1949709B1 (de) * 2005-11-07 2013-02-27 Thomson Licensing Vorrichtungen und verfahren zur steuerung eines signals
CN100466489C (zh) * 2006-04-11 2009-03-04 中兴通讯股份有限公司 支持上行不连续发射无线系统的下行发射分集方法
US8295772B2 (en) 2006-07-06 2012-10-23 Telefonaktiebolaget Lm Ericsson (Publ) Device for improved isolation characteristics in a telecommunications system
CN105790821A (zh) * 2006-07-06 2016-07-20 艾利森电话股份有限公司 电信系统中用于改进的隔离特性的设备
EP2074708B1 (de) * 2006-10-02 2011-04-20 Koninklijke Philips Electronics N.V. Effiziente cqi-signalisierung in mimo-systemen mit veränderlichen strahlzahlen
WO2008147467A2 (en) * 2006-12-18 2008-12-04 Univeristy Of Utah Research Foundation Mobile communications systems and methods relating to polarization-agile antennas
US20100003034A1 (en) * 2007-01-30 2010-01-07 Georgia Tech Research Corporation Systems and methods for adaptive polarization transmission
CN101316130B (zh) * 2007-06-01 2014-06-11 中国移动通信集团公司 闭环模式下共用天线系统和方法
CN101689711B (zh) 2007-06-27 2013-12-25 汤姆森许可贸易公司 用于控制信号的设备和方法
KR101098096B1 (ko) * 2007-09-06 2011-12-26 후지쯔 가부시끼가이샤 적응 멀티 안테나를 이용하는 이동체 통신 시스템
US8306473B2 (en) 2008-02-15 2012-11-06 Qualcomm Incorporated Methods and apparatus for using multiple antennas having different polarization
US8085721B2 (en) * 2008-03-10 2011-12-27 Elektrobit Wireless Communications Oy Adaptive transmission method and a base station using the method
EP2107697A1 (de) * 2008-03-31 2009-10-07 British Telecommunications Public Limited Company Kanalschätzungen für ein Antennendiversitäts-Kommunikationssystem
US8279770B2 (en) 2008-09-29 2012-10-02 Qualcomm Incorporated Uplink transmit diversity enhancement
US8737190B2 (en) * 2008-11-21 2014-05-27 Samsung Electronics Co., Ltd. Method and system for communication of different modulation formats from a wireless station in a wireless system
US8797837B2 (en) 2008-12-03 2014-08-05 Samsung Electronics Co., Ltd. System and method for in-phase/quadrature multiplexing
US8737275B2 (en) 2009-06-01 2014-05-27 Telefonaktiebolaget L M Ericsson (Publ) Node in a wireless communication system with different antenna diversity methods for uplink and downlink
US8649747B1 (en) * 2009-08-11 2014-02-11 Netgear, Inc. Dynamically adjusting antenna polarization in a wireless communication system
WO2011056111A1 (en) * 2009-11-09 2011-05-12 Telefonaktiebolaget L M Ericsson (Publ) Method and arrangement for tuning polarizations for orthogonally polarized antennas
EP2514111B1 (de) * 2009-12-16 2014-06-04 Telefonaktiebolaget L M Ericsson (PUBL) Verfahren und anordnung zur polarisationskoordination in einem drahtlosen kommunikationssystem
CN102122976A (zh) 2010-01-08 2011-07-13 上海贝尔股份有限公司 一种基站选择天线的方法和装置
US8891387B2 (en) 2010-05-03 2014-11-18 Qualcomm Incorporated UE based conditional enabling of ULTD
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WO2012065282A1 (en) 2010-11-18 2012-05-24 Telefonaktiebolaget L M Ericsson (Publ) Methods and devices for configuring antenna mode for uplink communication
JP2013143575A (ja) * 2012-01-06 2013-07-22 Fujitsu Mobile Communications Ltd 無線通信端末装置及び無線通信端末装置制御方法
CN104183921B (zh) * 2013-05-21 2017-10-03 郝志强 移动卫星通信天线极化跟踪方法和跟踪系统
US10804952B2 (en) 2016-04-11 2020-10-13 University Of Notre Dame Du Lac Enhanced cosite transmitter-receiver isolation
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CN108233994B (zh) * 2016-12-21 2021-04-27 上海诺基亚贝尔股份有限公司 用于大规模mimo系统的波束形成的方法和设备
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KR102787023B1 (ko) * 2017-02-21 2025-03-31 삼성전자주식회사 무선 통신 시스템에서 송신 전력 제어 방법 및 장치
US10749566B2 (en) * 2018-11-13 2020-08-18 Qualcomm Incorporated Dynamically adjustable radio-frequency (RF) front-end

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KR100521854B1 (ko) 1997-03-03 2005-10-14 셀레트라 리미티드 셀룰라 통신 시스템
US6259730B1 (en) * 1998-11-10 2001-07-10 Lucent Technologies, Inc. Transmit diversity and reception equalization for radio links
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WO2001086823A2 (en) * 2000-05-05 2001-11-15 Celletra, Ltd. System and method for providing polarization matching on a cellular communication forward link
US6801790B2 (en) * 2001-01-17 2004-10-05 Lucent Technologies Inc. Structure for multiple antenna configurations
US6990137B2 (en) * 2001-05-17 2006-01-24 Qualcomm, Incorporated System and method for received signal prediction in wireless communications systems
US7154959B2 (en) * 2001-08-29 2006-12-26 Intel Corporation System and method for emulating a multiple input, multiple output transmission channel
FR2844119B1 (fr) * 2002-08-27 2005-02-18 Nortel Networks Ltd Procede d'emission de signaux radio en diversite de polarisation, station et terminal de radiocommunication pour la mise en oeuvre du procede
US20050042988A1 (en) * 2003-08-18 2005-02-24 Alcatel Combined open and closed loop transmission diversity system

Also Published As

Publication number Publication date
DE60222942D1 (de) 2007-11-22
AU2002368163A1 (en) 2004-02-25
EP1527529B1 (de) 2007-10-10
US20050260954A1 (en) 2005-11-24
DE60222942T2 (de) 2008-07-24
WO2004015887A1 (en) 2004-02-19
US7136627B2 (en) 2006-11-14
EP1527529A1 (de) 2005-05-04

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