IN2012DN03325A - - Google Patents

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Publication number
IN2012DN03325A
IN2012DN03325A IN3325DEN2012A IN2012DN03325A IN 2012DN03325 A IN2012DN03325 A IN 2012DN03325A IN 3325DEN2012 A IN3325DEN2012 A IN 3325DEN2012A IN 2012DN03325 A IN2012DN03325 A IN 2012DN03325A
Authority
IN
India
Prior art keywords
quality indicator
quality
polarization
ues
enb
Prior art date
Application number
Other languages
English (en)
Inventor
Henrik Asplund
Bo Hagerman
Arne Simonsson
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
Publication of IN2012DN03325A publication Critical patent/IN2012DN03325A/en

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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
    • H04B7/10—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
    • H04B7/0619—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
    • H04B7/0632—Channel quality parameters, e.g. channel quality indicator [CQI]

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radio Transmission System (AREA)
  • Circuits Of Receivers In General (AREA)
  • Mobile Radio Communication Systems (AREA)
IN3325DEN2012 2009-11-09 2009-11-09 IN2012DN03325A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/SE2009/051275 WO2011056111A1 (en) 2009-11-09 2009-11-09 Method and arrangement for tuning polarizations for orthogonally polarized antennas

Publications (1)

Publication Number Publication Date
IN2012DN03325A true IN2012DN03325A (de) 2015-10-23

Family

ID=43970151

Family Applications (1)

Application Number Title Priority Date Filing Date
IN3325DEN2012 IN2012DN03325A (de) 2009-11-09 2009-11-09

Country Status (4)

Country Link
US (1) US9136932B2 (de)
EP (1) EP2499751A4 (de)
IN (1) IN2012DN03325A (de)
WO (1) WO2011056111A1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9031080B2 (en) * 2009-12-23 2015-05-12 Telefonaktiebolaget L M Ericsson (Publ) Rate allocation scheme for coordinated multipoint transmission
CN102244566B (zh) * 2010-05-11 2014-03-12 中兴通讯股份有限公司 用于多输入多输出系统的下行传输方法和基站
US9270359B2 (en) 2010-10-05 2016-02-23 Telefonaktiebolaget L M Ericsson (Publ) Method and arrangement for polarization control in a communication system
US20130114437A1 (en) * 2011-11-04 2013-05-09 Qualcomm Incorporated Method and apparatus for interference cancellation by a user equipment using blind detection
US9723496B2 (en) 2011-11-04 2017-08-01 Qualcomm Incorporated Method and apparatus for interference cancellation by a user equipment using blind detection
US8306479B1 (en) * 2012-07-06 2012-11-06 Metropcs Wireless, Inc. Polarization control for cell telecommunication system
US20170070280A1 (en) * 2014-01-30 2017-03-09 Fundacio Centre Technologic de Telecomunicacions de Catalunya Method and system for providing diversity in polarization of antennas
US9769689B2 (en) * 2014-12-09 2017-09-19 Futurewei Technologies, Inc. Method and apparatus for optimizing cell specific antenna configuration parameters
WO2018156061A1 (en) 2017-02-23 2018-08-30 Telefonaktiebolaget Lm Ericsson (Publ) Mechanisms for reporting a faulty antenna port
US11658697B2 (en) * 2020-11-06 2023-05-23 At&T Intellectual Property I, L.P. Port reconfiguration for passive intermodulation interference mitigation

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4737793A (en) * 1983-10-28 1988-04-12 Ball Corporation Radio frequency antenna with controllably variable dual orthogonal polarization
US5666653A (en) * 1990-08-07 1997-09-09 Inventahl Ab Wide area radio communication system and method for communicating in a wide area through a wide area radio communication system
FR2699008B1 (fr) * 1992-12-04 1994-12-30 Alcatel Espace Antenne active à synthèse de polarisation variable.
US7062245B2 (en) * 1999-12-21 2006-06-13 Matsushita Electric Industrial Co., Ltd. Radio transmission apparatus and radio reception apparatus
WO2001078254A1 (en) * 2000-04-07 2001-10-18 Nokia Corporation Multi-antenna transmission method and system
EP1279234B1 (de) 2000-05-05 2005-08-31 Celletra Ltd. System und verfahren zur polarisationsanpassung einer vorwärtsverbindung bei zellularer kommunikation
US20020198026A1 (en) 2001-06-20 2002-12-26 Nokia Corporation Method, communications system, and base station for transmitting signals with transmit diversity
US7197282B2 (en) * 2001-07-26 2007-03-27 Ericsson Inc. Mobile station loop-back signal processing
FI20012474A0 (fi) 2001-12-14 2001-12-14 Nokia Corp Lähetysvastaanottomenetelmä radiojärjestelmässä ja radiojärjestelmä
AU2002368163A1 (en) * 2002-08-05 2004-02-25 Nokia Corporation Transmission diversity with two cross-polarised antennas arrays
US7720441B2 (en) * 2005-09-27 2010-05-18 Samsung Electornics Co., Ltd. Apparatus and method for minimizing inter-signal interference in a wireless communication system
KR20080040543A (ko) * 2006-11-02 2008-05-08 엘지전자 주식회사 위상천이 기반 프리코딩을 이용한 데이터 전송 방법 및이를 지원하는 송수신기
WO2008082344A1 (en) * 2007-01-04 2008-07-10 Telefonaktiebolaget L M Ericsson (Publ) Method and apparatus for improving transmission efficiency in a mobile radio communications system
US20080305745A1 (en) 2007-06-05 2008-12-11 Interdigital Technology Corporation Method and apparatus for supporting uplink transmission of channel quality and coding information in a wireless communication system
EP2034623A1 (de) * 2007-09-05 2009-03-11 Nokia Siemens Networks Oy Adaptive Einstellung einer Antennenanordnung zur Ausnutzung der Polarisation und/oder zur Strahlformungstrennung
ES2572884T3 (es) * 2008-03-20 2016-06-02 Ses Astra S.A. Transceptor de satélite
EP2384558B1 (de) 2009-01-30 2017-12-13 Telefonaktiebolaget LM Ericsson (publ) Phasenkalibration und detektion fehlerhafter verkabelung für eine mehrantennen-funkbasisstation
US8588193B1 (en) * 2009-02-03 2013-11-19 Sibeam, Inc. Enhanced wireless data rates using multiple beams
US20100238984A1 (en) * 2009-03-19 2010-09-23 Motorola, Inc. Spatial Information Feedback in Wireless Communication Systems
US8649747B1 (en) * 2009-08-11 2014-02-11 Netgear, Inc. Dynamically adjusting antenna polarization in a wireless communication system
EP2465208B1 (de) * 2009-08-14 2017-04-19 Telefonaktiebolaget LM Ericsson (publ) Antennenvorrichtung

Also Published As

Publication number Publication date
EP2499751A4 (de) 2014-08-27
US9136932B2 (en) 2015-09-15
EP2499751A1 (de) 2012-09-19
WO2011056111A1 (en) 2011-05-12
US20120225625A1 (en) 2012-09-06

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