SE0303583D0 - Method and arrangement for reciprocity calibration in wireless communication - Google Patents

Method and arrangement for reciprocity calibration in wireless communication

Info

Publication number
SE0303583D0
SE0303583D0 SE0303583A SE0303583A SE0303583D0 SE 0303583 D0 SE0303583 D0 SE 0303583D0 SE 0303583 A SE0303583 A SE 0303583A SE 0303583 A SE0303583 A SE 0303583A SE 0303583 D0 SE0303583 D0 SE 0303583D0
Authority
SE
Sweden
Prior art keywords
wireless communication
arrangement
radio node
radio
reciprocity calibration
Prior art date
Application number
SE0303583A
Other languages
English (en)
Swedish (sv)
Inventor
Peter Larsson
Jiann-Ching Guey
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 SE0303583A priority Critical patent/SE0303583D0/xx
Publication of SE0303583D0 publication Critical patent/SE0303583D0/xx
Priority to EP04015304A priority patent/EP1551143A1/en
Priority to AT04804263T priority patent/ATE359648T1/de
Priority to DE602004005896T priority patent/DE602004005896T2/de
Priority to CNA2004800394741A priority patent/CN1910879A/zh
Priority to ES04804263T priority patent/ES2285553T3/es
Priority to JP2006546075A priority patent/JP4361938B2/ja
Priority to PCT/EP2004/014669 priority patent/WO2005064871A1/en
Priority to US10/584,917 priority patent/US7747250B2/en
Priority to EP04804263A priority patent/EP1700438B1/en
Priority to PL04804263T priority patent/PL1700438T3/pl
Priority to TW93141167A priority patent/TWI382689B/zh

Links

SE0303583A 2003-12-30 2003-12-30 Method and arrangement for reciprocity calibration in wireless communication SE0303583D0 (sv)

Priority Applications (12)

Application Number Priority Date Filing Date Title
SE0303583A SE0303583D0 (sv) 2003-12-30 2003-12-30 Method and arrangement for reciprocity calibration in wireless communication
EP04015304A EP1551143A1 (en) 2003-12-30 2004-06-30 Calibration method to achieve reciprocity of bidirectional communication channels
PL04804263T PL1700438T3 (pl) 2003-12-30 2004-12-23 Sposób kalibrowania celem uzyskania wzajemności dwukierunkowych kanałów komunikacyjnych
CNA2004800394741A CN1910879A (zh) 2003-12-30 2004-12-23 实现双向通信信道互易性的校准方法
DE602004005896T DE602004005896T2 (de) 2003-12-30 2004-12-23 Kalibrierverfahren zur erzielung von reziprozität bidirektionaler kommunikationskanäle
AT04804263T ATE359648T1 (de) 2003-12-30 2004-12-23 Kalibrierverfahren zur erzielung von reziprozität bidirektionaler kommunikationskanäle
ES04804263T ES2285553T3 (es) 2003-12-30 2004-12-23 Metodo de calibracion para conseguir la reciprocidad de canales de comunicacion bidireccionales.
JP2006546075A JP4361938B2 (ja) 2003-12-30 2004-12-23 双方向通信チャネルの相反性を実現する校正方法
PCT/EP2004/014669 WO2005064871A1 (en) 2003-12-30 2004-12-23 Calibration method to achieve reciprocity of bidirectional communication channels
US10/584,917 US7747250B2 (en) 2003-12-30 2004-12-23 Calibration method to achieve reciprocity of bidirectional communication channels
EP04804263A EP1700438B1 (en) 2003-12-30 2004-12-23 Calibration method to achieve reciprocity of bidirectional communication channels
TW93141167A TWI382689B (zh) 2003-12-30 2004-12-29 無線通信中用於交互校準之方法及裝置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE0303583A SE0303583D0 (sv) 2003-12-30 2003-12-30 Method and arrangement for reciprocity calibration in wireless communication

Publications (1)

Publication Number Publication Date
SE0303583D0 true SE0303583D0 (sv) 2003-12-30

Family

ID=30768891

Family Applications (1)

Application Number Title Priority Date Filing Date
SE0303583A SE0303583D0 (sv) 2003-12-30 2003-12-30 Method and arrangement for reciprocity calibration in wireless communication

Country Status (4)

Country Link
EP (1) EP1551143A1 (xx)
CN (1) CN1910879A (xx)
SE (1) SE0303583D0 (xx)
TW (1) TWI382689B (xx)

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US8099132B2 (en) * 2007-08-15 2012-01-17 Qualcomm Incorporated Antenna switching and uplink sounding channel measurement
CN101604991B (zh) * 2008-06-13 2013-01-02 展讯通信（上海）有限公司 一种mimo系统中射频通道参数估计方法与装置
JP2010109631A (ja) * 2008-10-29 2010-05-13 Kyocera Corp 無線通信システム、送信装置、および通信信号送信方法
CN102388589B (zh) * 2009-06-23 2014-06-18 上海贝尔股份有限公司 Tdd系统中校准上下行互逆误差的方法及其装置
US20120099469A1 (en) * 2009-06-23 2012-04-26 Qinglin Luo Methods of transmitting a signal in a time division duplexing mimo system and associated apparatuses
CN101662446B (zh) * 2009-09-28 2013-01-16 中兴通讯股份有限公司 信道估计方法及装置
CN102474477B (zh) * 2009-11-04 2014-04-02 上海贝尔股份有限公司 基于CoMP的TDD无线通信系统中天线校准的方法和装置
WO2011097784A1 (zh) * 2010-02-12 2011-08-18 上海贝尔股份有限公司 互易误差校准设备和互易误差校准方法
WO2011123008A1 (en) * 2010-04-01 2011-10-06 Telefonaktiebolaget L M Ericsson (Publ) Precoder codebooks for effective channels with structured frequency-selectivity
CN101834814B (zh) * 2010-05-21 2013-09-25 西安电子科技大学 基于信道预测的时变tdd-mimo通信信道互易性补偿方法
CN102340784B (zh) 2010-07-16 2014-11-05 上海贝尔股份有限公司 选择用户终端以增强上下行互逆误差校准的方法和装置
CN102045123B (zh) * 2010-12-14 2014-04-30 北京邮电大学 实现时分双工无线通信系统信道互易的射频校准方法和装置
CN102215186B (zh) * 2011-05-04 2014-07-23 西安电子科技大学 基于ls-svm的时变tdd-mimo信道互易性补偿方法
CN103259581B (zh) * 2012-02-16 2016-08-03 电信科学技术研究院 一种进行天线校准的方法、系统和设备
US8965428B2 (en) * 2012-07-24 2015-02-24 Telefonaktiebolaget L M Ericsson (Publ) Systems, methods and devices for reducing impact of fading dips on radio channels
WO2015139192A1 (zh) * 2014-03-18 2015-09-24 华为技术有限公司 一种ue间互易性校正的方法、装置及通信系统
US20170093506A1 (en) * 2014-06-12 2017-03-30 Nokia Solutions and Technologies Oy Method, apparatus and computer program
CN110800224B (zh) * 2017-01-09 2023-03-07 高通股份有限公司 针对基于互易性的ul mimo传输的空中校准
US10644812B2 (en) * 2017-03-22 2020-05-05 Qualcomm Incorporated User equipment antenna calibration with assistance from other devices
WO2023006231A1 (en) * 2021-07-29 2023-02-02 Telefonaktiebolaget Lm Ericsson (Publ) Reciprocity based estimation of optical channel gain

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6615024B1 (en) * 1998-05-01 2003-09-02 Arraycomm, Inc. Method and apparatus for determining signatures for calibrating a communication station having an antenna array
EP1453223A1 (en) * 2001-11-30 2004-09-01 Fujitsu Limited Transmission diversity communication device
US7197084B2 (en) * 2002-03-27 2007-03-27 Qualcomm Incorporated Precoding for a multipath channel in a MIMO system
US6862440B2 (en) * 2002-05-29 2005-03-01 Intel Corporation Method and system for multiple channel wireless transmitter and receiver phase and amplitude calibration

Also Published As

Publication number Publication date
CN1910879A (zh) 2007-02-07
TWI382689B (zh) 2013-01-11
EP1551143A1 (en) 2005-07-06
TW200536295A (en) 2005-11-01

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