IN2012DN01129A - - Google Patents

Info

Publication number
IN2012DN01129A
IN2012DN01129A IN1129DEN2012A IN2012DN01129A IN 2012DN01129 A IN2012DN01129 A IN 2012DN01129A IN 1129DEN2012 A IN1129DEN2012 A IN 1129DEN2012A IN 2012DN01129 A IN2012DN01129 A IN 2012DN01129A
Authority
IN
India
Prior art keywords
inputs
outputs
precoder
output
input
Prior art date
Application number
Other languages
English (en)
Inventor
Markus Ringstrom
Bo Goransson
Fredrik Ovesjo
Henrik Asplund
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 IN2012DN01129A publication Critical patent/IN2012DN01129A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
    • H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space 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
    • H04B7/0413—MIMO systems
    • H04B7/0417—Feedback systems
    • 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
    • H04B7/0413—MIMO systems
    • H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
    • H04B7/046—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking physical layer constraints into account
    • H04B7/0469—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking physical layer constraints into account taking special antenna structures, e.g. cross polarized antennas into account
    • 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
IN1129DEN2012 2009-08-14 2009-12-15 IN2012DN01129A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US23397209P 2009-08-14 2009-08-14
PCT/SE2009/051426 WO2011019310A1 (fr) 2009-08-14 2009-12-15 Dispositif formant antenne

Publications (1)

Publication Number Publication Date
IN2012DN01129A true IN2012DN01129A (fr) 2015-04-10

Family

ID=43586311

Family Applications (1)

Application Number Title Priority Date Filing Date
IN1129DEN2012 IN2012DN01129A (fr) 2009-08-14 2009-12-15

Country Status (9)

Country Link
US (1) US8665994B2 (fr)
EP (2) EP3197066A1 (fr)
DK (1) DK2465208T3 (fr)
ES (1) ES2632398T3 (fr)
HU (1) HUE035293T2 (fr)
IN (1) IN2012DN01129A (fr)
PL (1) PL2465208T3 (fr)
PT (1) PT2465208T (fr)
WO (1) WO2011019310A1 (fr)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011056111A1 (fr) * 2009-11-09 2011-05-12 Telefonaktiebolaget L M Ericsson (Publ) Procédé et dispositif de réglage de polarisations pour des antennes à polarisation croisée
WO2012039659A1 (fr) * 2010-09-23 2012-03-29 Telefonaktiebolaget L M Ericsson (Publ) Dispositif et procédé d'antenne dans un dispositif à entrées multiples et à sorties multiples
EP2469731B1 (fr) * 2010-10-04 2017-12-27 Vodafone España, S.A.U. Procédé et système pour améliorer la transmission dans des réseaux de communication mobiles
US9270359B2 (en) 2010-10-05 2016-02-23 Telefonaktiebolaget L M Ericsson (Publ) Method and arrangement for polarization control in a communication system
WO2012050364A2 (fr) * 2010-10-12 2012-04-19 엘지전자 주식회사 Procédé et dispositif de transmission de signaux dans un système multi-noeuds
US8873678B2 (en) * 2010-11-04 2014-10-28 Intel Mobile Communications GmbH Method for processing data
WO2012115583A1 (fr) * 2011-02-25 2012-08-30 Telefonaktiebolaget L M Ericsson (Publ) Adaptation de récepteur basée sur une connaissance de précodeur acquise
US8675762B2 (en) * 2011-05-02 2014-03-18 Alcatel Lucent Method of transforming pre-coded signals for multiple-in-multiple-out wireless communication
WO2012166030A1 (fr) 2011-06-01 2012-12-06 Telefonaktiebolaget L M Ericsson (Publ) Combineur de signaux, procédé, programme d'ordinateur et produit programme d'ordinateur
US8929473B2 (en) * 2011-07-28 2015-01-06 Samsung Electronics Co., Ltd. Combining baseband processing and radio frequency beam steering in wireless communication systems
ES2642768T3 (es) * 2011-10-17 2017-11-20 Huawei Technologies Co., Ltd. Procedimiento, dispositivo y sistema para implementar múltiples entradas y múltiples salidas de microondas
EP2832011A1 (fr) * 2012-03-30 2015-02-04 Nokia Solutions and Networks Oy Méthodologie de rétroaction pour mimo par élévation d'utilisateur
US8619894B1 (en) * 2012-08-15 2013-12-31 Nokia Siemens Networks Oy Methods and apparatus for beamforming
WO2014035412A1 (fr) 2012-08-31 2014-03-06 Nokia Siemens Networks Oy Procédés et appareil de formation de faisceau
US9628219B2 (en) * 2015-07-31 2017-04-18 Huawei Technologies Co., Ltd. Apparatus and method for transmitting and receiving polarized signals
US9813269B1 (en) * 2016-10-13 2017-11-07 Movandi Corporation Wireless transceiver having a phased array antenna panel for transmitting circularly-polarized signals with modulated angular speed

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070041457A1 (en) * 2005-08-22 2007-02-22 Tamer Kadous Method and apparatus for providing antenna diversity in a wireless communication system
WO2007067107A1 (fr) * 2005-12-08 2007-06-14 Telefonaktiebolaget Lm Ericsson (Publ) Système mimo de communication sans fil avec répéteurs
US7697626B2 (en) 2006-01-13 2010-04-13 Interdigital Technology Corporation Method and apparatus for selecting a beam combination in a MIMO wireless communication system
WO2008033089A2 (fr) * 2006-09-14 2008-03-20 Telefonaktiebolaget Lm Ericsson (Publ) Procédé et dispositifs d'équilibrage des phases d'amplificateurs de puissance
US8107544B2 (en) * 2007-05-16 2012-01-31 Motorola Mobility, Inc. Method and apparatus for feedback in closed loop transmitting
PT2198533E (pt) * 2007-10-08 2014-03-10 Ericsson Telefon Ab L M Processo e dispositivo para a sinalização de informações de controlo num sistema de comunicações
US8340235B2 (en) * 2008-09-25 2012-12-25 Research In Motion Limited X-MIMO systems with multi-transmitters and multi-receivers
JP5487216B2 (ja) * 2008-11-12 2014-05-07 テレフオンアクチーボラゲット エル エム エリクソン（パブル） 無線通信ネットワークにおける方法および送信機
US8750205B2 (en) * 2009-08-07 2014-06-10 Texas Instruments Incorporated Multiple rank CQI feedback for cellular networks
US9319252B2 (en) * 2009-10-06 2016-04-19 Pantech Co., Ltd. Precoding and feedback channel information in wireless communication system
US8112049B2 (en) * 2009-12-17 2012-02-07 Telefonaktiebolaget Lm Ericsson (Publ) Channel quality handling for precoder override
CN102823155B (zh) * 2010-04-07 2016-07-13 瑞典爱立信有限公司 用于在无线通信中控制预编码器选择反馈的方法和设备
MY171275A (en) * 2010-04-09 2019-10-07 Interdigital Patent Holdings Inc Method and apparatus for power control for closed loop transmit diversity and mimo in uplink
ES2637070T3 (es) * 2010-10-19 2017-10-10 Telefonaktiebolaget Lm Ericsson (Publ) Dispositivo de antena y método para precodificar datos en un sistema de múltiple entrada múltiple salida
US9007888B2 (en) * 2010-11-08 2015-04-14 Qualcomm Incorporated System and method for uplink multiple input multiple output transmission

Also Published As

Publication number Publication date
DK2465208T3 (en) 2017-07-17
EP3197066A1 (fr) 2017-07-26
ES2632398T3 (es) 2017-09-12
US20120140801A1 (en) 2012-06-07
HUE035293T2 (en) 2018-05-02
EP2465208A1 (fr) 2012-06-20
PT2465208T (pt) 2017-07-24
PL2465208T3 (pl) 2017-10-31
EP2465208B1 (fr) 2017-04-19
EP2465208A4 (fr) 2015-05-13
WO2011019310A1 (fr) 2011-02-17
US8665994B2 (en) 2014-03-04

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