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 (enrdf_load_stackoverflow)

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 (enrdf_load_stackoverflow) 2015-10-23

Family

ID=43970151

Family Applications (1)

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

Country Status (4)

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

Families Citing this family (16)

* 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
US9723496B2 (en) 2011-11-04 2017-08-01 Qualcomm Incorporated Method and apparatus for interference cancellation by a user equipment using blind detection
US20130114437A1 (en) * 2011-11-04 2013-05-09 Qualcomm Incorporated Method and apparatus for interference cancellation by a user equipment using blind detection
CN103531919B (zh) * 2012-07-05 2016-08-10 中国电信股份有限公司 四极化天线和四极化多天线阵
US8306479B1 (en) * 2012-07-06 2012-11-06 Metropcs Wireless, Inc. Polarization control for cell telecommunication system
WO2015113603A1 (en) * 2014-01-30 2015-08-06 Fundacio Centre Tecnologic 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
US10855384B2 (en) 2017-02-23 2020-12-01 Telefonaktiebolaget Lm Ericsson (Publ) Mechanisms for reporting a faulty antenna port
US12348282B2 (en) 2020-08-28 2025-07-01 Isco International, Llc Method and system for addressing interference by configuring or adapting antenna structures
US11658697B2 (en) * 2020-11-06 2023-05-23 At&T Intellectual Property I, L.P. Port reconfiguration for passive intermodulation interference mitigation
US12301315B1 (en) 2023-12-29 2025-05-13 Isco International, Llc Methods and systems for detecting, measuring, and/or locating passive intermodulation sources via downlink (DL) signal injection
US12301298B1 (en) 2023-12-29 2025-05-13 Isco International, Llc Methods and systems for locating interference sources via angle of arrival (AoA)
US12348285B1 (en) 2023-12-29 2025-07-01 Isco International, Llc Methods and systems for detecting, measuring, and/or locating passive intermodulation (PIM) sources via beamforming
US12219522B1 (en) 2023-12-29 2025-02-04 Isco International, Llc Methods and systems for estimating the shape of an object generating passive intermodulation (PIM) interference

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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
DE60113094T2 (de) 2000-05-05 2006-06-29 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
DE60222942T2 (de) * 2002-08-05 2008-07-24 Nokia Corp. Sende-diversität mit zwei kreuzpolarisationsgruppenantennen
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 (en) 2007-09-05 2009-03-11 Nokia Siemens Networks Oy Adaptive adjustment of an antenna arrangement for exploiting polarization and/or beamforming separation
ES2572884T3 (es) * 2008-03-20 2016-06-02 Ses Astra S.A. Transceptor de satélite
EP2384558B1 (en) 2009-01-30 2017-12-13 Telefonaktiebolaget LM Ericsson (publ) Phase calibration and erroneous cabling detection for a multi-antenna radio base station
US8457026B1 (en) * 2009-02-03 2013-06-04 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
EP3197066A1 (en) * 2009-08-14 2017-07-26 Telefonaktiebolaget LM Ericsson (publ) Antenna device

Also Published As

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

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