SE521005C2 - En metod och ett system för att använda diversitetsinformation extraherande i upplänken vid nedlänkstransmission - Google Patents

En metod och ett system för att använda diversitetsinformation extraherande i upplänken vid nedlänkstransmission

Info

Publication number
SE521005C2
SE521005C2 SE9800272A SE9800272A SE521005C2 SE 521005 C2 SE521005 C2 SE 521005C2 SE 9800272 A SE9800272 A SE 9800272A SE 9800272 A SE9800272 A SE 9800272A SE 521005 C2 SE521005 C2 SE 521005C2
Authority
SE
Sweden
Prior art keywords
diversity
signals
antennas
arrangement
receiving
Prior art date
Application number
SE9800272A
Other languages
English (en)
Swedish (sv)
Other versions
SE9800272D0 (sv
SE9800272L (sv
Inventor
Stig Ekstroem
Leonard Rexberg
Christer Nilsson
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Priority to SE9800272A priority Critical patent/SE521005C2/sv
Publication of SE9800272D0 publication Critical patent/SE9800272D0/xx
Priority to DE19982795T priority patent/DE19982795T1/de
Priority to JP2000529803A priority patent/JP2002502181A/ja
Priority to AU26467/99A priority patent/AU2646799A/en
Priority to CN99802542A priority patent/CN1289486A/zh
Priority to PCT/SE1999/000078 priority patent/WO1999039454A1/en
Priority to US09/236,394 priority patent/US6526291B1/en
Publication of SE9800272L publication Critical patent/SE9800272L/
Publication of SE521005C2 publication Critical patent/SE521005C2/sv

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
SE9800272A 1998-01-30 1998-01-30 En metod och ett system för att använda diversitetsinformation extraherande i upplänken vid nedlänkstransmission SE521005C2 (sv)

Priority Applications (7)

Application Number Priority Date Filing Date Title
SE9800272A SE521005C2 (sv) 1998-01-30 1998-01-30 En metod och ett system för att använda diversitetsinformation extraherande i upplänken vid nedlänkstransmission
DE19982795T DE19982795T1 (de) 1998-01-30 1999-01-20 Verfahren und System für eine Down-Link Diversity bei der Funkübertragung
JP2000529803A JP2002502181A (ja) 1998-01-30 1999-01-20 無線送信におけるダウン・リンク・ダイバーシチのための方法及びシステム
AU26467/99A AU2646799A (en) 1998-01-30 1999-01-20 A method and a system for down-link diversity in radio transmission
CN99802542A CN1289486A (zh) 1998-01-30 1999-01-20 在无线传输中用于下行链路分集的方法和系统
PCT/SE1999/000078 WO1999039454A1 (en) 1998-01-30 1999-01-20 A method and a system for down-link diversity in radio transmission
US09/236,394 US6526291B1 (en) 1998-01-30 1999-01-25 Method and a system for radio transmission

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9800272A SE521005C2 (sv) 1998-01-30 1998-01-30 En metod och ett system för att använda diversitetsinformation extraherande i upplänken vid nedlänkstransmission

Publications (3)

Publication Number Publication Date
SE9800272D0 SE9800272D0 (sv) 1998-01-30
SE9800272L SE9800272L (sv) 1999-07-31
SE521005C2 true SE521005C2 (sv) 2003-09-23

Family

ID=20410038

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9800272A SE521005C2 (sv) 1998-01-30 1998-01-30 En metod och ett system för att använda diversitetsinformation extraherande i upplänken vid nedlänkstransmission

Country Status (7)

Country Link
US (1) US6526291B1 (zh)
JP (1) JP2002502181A (zh)
CN (1) CN1289486A (zh)
AU (1) AU2646799A (zh)
DE (1) DE19982795T1 (zh)
SE (1) SE521005C2 (zh)
WO (1) WO1999039454A1 (zh)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6289004B1 (en) * 1998-03-12 2001-09-11 Interdigital Technology Corporation Adaptive cancellation of fixed interferers
US6862275B1 (en) * 1999-02-26 2005-03-01 Texas Instruments Incorporated Cell selection with STTD and SSDT
FI19991940A (fi) 1999-09-10 2001-03-10 Nokia Networks Oy Lähetysdiversiteetti
DE60037465T2 (de) * 2000-08-10 2008-12-04 Fujitsu Ltd., Kawasaki Vorrichtung zur Kommunikation mit Diversität
US6898441B1 (en) * 2000-09-12 2005-05-24 Lucent Technologies Inc. Communication system having a flexible transmit configuration
US20020080719A1 (en) * 2000-12-22 2002-06-27 Stefan Parkvall Scheduling transmission of data over a transmission channel based on signal quality of a receive channel
JP3932906B2 (ja) * 2002-01-23 2007-06-20 日本電気株式会社 基地局装置及びそれを用いた移動通信システム
SE0200413L (sv) * 2002-02-13 2003-08-14 Telia Ab Metod vid multipla antenner
US7519329B2 (en) * 2005-07-01 2009-04-14 Research In Motion Limited Determination of antenna noise temperature for handheld wireless devices
US20070279495A1 (en) * 2006-04-20 2007-12-06 General Instrument Corporation Robust Wireless High-Speed Data Services Across An HFC Infrastructure Using Wired Diversity Techniques
US20080227414A1 (en) * 2007-03-01 2008-09-18 Yair Karmi System, method and apparatus for transmit diversity control based on variations in propagation path
JP5342294B2 (ja) * 2009-03-26 2013-11-13 京セラ株式会社 無線中継局及び無線中継方法
WO2010110800A1 (en) * 2009-03-27 2010-09-30 Hewlett-Packard Development Company, L.P. Multi-antenna reception scheme
US8843167B2 (en) * 2010-10-11 2014-09-23 Lg Electronics Inc. Method and user equipment for transmitting uplink signal, and method and base station for receiving uplink signal

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI106668B (fi) * 1995-05-24 2001-03-15 Nokia Networks Oy Tukiasemalaitteisto sekä menetelmä antennikeilan suuntaamiseksi
FI105430B (fi) * 1995-05-24 2000-08-15 Nokia Networks Oy Tukiasemalaitteisto sekä menetelmä antennikeilan suuntaamiseksi
US5809020A (en) * 1996-03-18 1998-09-15 Motorola, Inc. Method for adaptively adjusting weighting coefficients in a cDMA radio receiver

Also Published As

Publication number Publication date
JP2002502181A (ja) 2002-01-22
CN1289486A (zh) 2001-03-28
US6526291B1 (en) 2003-02-25
SE9800272D0 (sv) 1998-01-30
WO1999039454A1 (en) 1999-08-05
AU2646799A (en) 1999-08-16
SE9800272L (sv) 1999-07-31
DE19982795T1 (de) 2001-03-22

Similar Documents

Publication Publication Date Title
EP2165484B1 (en) Methods and apparatus for selecting and/or using a communications band for peer to peer signaling
US7236478B2 (en) Method and apparatus for down-link feedback multiple antenna transmission in wireless communication system
KR100958501B1 (ko) 무선 통신 시스템
EP2037705B1 (en) Method and apparatus for monitoring for signals and selecting and/or using a communications band based on the monitoring results
CN101159464B (zh) 无线电通信方法,发送机以及接收机
US8145248B2 (en) Apparatus and method for uplink beamforming and Space-Division Multiple Access (SDMA) in Multiple Input Multiple Output (MIMO) wireless communication systems
US20090016363A1 (en) Methods and apparatus for selecting and/or using a communications band for peer to peer signaling
SE521005C2 (sv) En metod och ett system för att använda diversitetsinformation extraherande i upplänken vid nedlänkstransmission
US9083496B2 (en) Adaptive antenna system signal detection
CN102577157B (zh) 基站布置
CN101729102A (zh) 一种通信设备、通信系统以及上行发送功率控制方法
JP4574563B2 (ja) 無線通信システム、無線通信方法、基地局装置及び端末装置
JP2006287669A (ja) 無線通信装置
EP2859723B1 (en) Mimo signal transmission and reception device and system comprising at least one such device
EP1302042B1 (en) Multicarrier transmission using polarized antennae
CN101951660B (zh) 无线通信系统、中继选择方法、无线中继设备和基站
CN101605383B (zh) 天线模式切换的方法、设备及系统
CN104618292A (zh) 一种基于mimo-ofdm系统的检测方法和装置
KR100903926B1 (ko) 무선 통신 시스템
KR20080084093A (ko) 다중 안테나 무선통신 시스템에서 하향링크 스케줄링 장치및 방법
CN101969373A (zh) 接收装置和接收方法
KR20090022920A (ko) 환경 변화에 적응적인 ｍｉｍｏ 안테나 시스템

Legal Events

Date Code Title Description
NUG Patent has lapsed