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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
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 (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9136932B2 (en) * 2009-11-09 2015-09-15 Telefonaktiebolaget L M Ecrisson (publ) Method and arrangement for tuning polarizations for orthogonally polarized antennas
EP2619922B1 (fr) * 2010-09-23 2016-08-10 Optis Cellular Technology, LLC Dispositif et procédé d'antenne dans un dispositif à entrées multiples et à sorties multiples
ES2663612T3 (es) * 2010-10-04 2018-04-16 Vodafone España, S.A.U. Método y sistema para transmisión mejorada en redes de comunicación móvil
US9270359B2 (en) * 2010-10-05 2016-02-23 Telefonaktiebolaget L M Ericsson (Publ) Method and arrangement for polarization control in a communication system
US9219534B2 (en) * 2010-10-12 2015-12-22 Lg Electronics Inc. Method and device for signal transmission in a multi-node system
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
US8842774B2 (en) 2011-06-01 2014-09-23 Telefonaktiebolaget L M Ericsson (Publ) Signal combiner, method, computer program and computer program product
US8929473B2 (en) * 2011-07-28 2015-01-06 Samsung Electronics Co., Ltd. Combining baseband processing and radio frequency beam steering in wireless communication systems
WO2012083750A1 (fr) * 2011-10-17 2012-06-28 华为技术有限公司 Procédé, dispositif et système pour la mise en œuvre de système d'entrée multiple sortie multiple hyperfréquences
CN104335505A (zh) * 2012-03-30 2015-02-04 诺基亚通信公司 用于每用户高程mimo的反馈方法
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
CA3178540A1 (fr) * 2020-05-13 2021-11-18 Russel James RAUTENBACH Dispositif et procede d'echantillonnage sous-marin

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
EP1966908A4 (fr) * 2005-12-08 2011-10-05 Ericsson Telefon Ab L M 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
EP2062375A4 (fr) * 2006-09-14 2014-08-13 Ericsson Telefon Ab L M 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
ES2443726T3 (es) * 2007-10-08 2014-02-20 Telefonaktiebolaget Lm Ericsson (Publ) Método y disposiciones para señalizar información de control en un sistema de comunicación
US8340235B2 (en) * 2008-09-25 2012-12-25 Research In Motion Limited X-MIMO systems with multi-transmitters and multi-receivers
EP2356789A1 (fr) * 2008-11-12 2011-08-17 Telefonaktiebolaget L M Ericsson (publ) Procédé et émetteur dans un réseau de communication sans fil
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
ES2750869T3 (es) * 2010-04-07 2020-03-27 Ericsson Telefon Ab L M Una estructura de precodificador para precodificación MIMO
EP3059878A1 (fr) * 2010-04-09 2016-08-24 InterDigital Patent Holdings, Inc. Procédé et appareil de commande de puissance pour une diversité d'émission en boucle fermée et mimo en liaison montante
DK2630736T3 (en) * 2010-10-19 2017-07-03 ERICSSON TELEFON AB L M (publ) Antenna device and method for coding data in a multi input multi output system
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
ES2632398T3 (es) 2017-09-12
US8665994B2 (en) 2014-03-04
DK2465208T3 (en) 2017-07-17
EP3197066A1 (fr) 2017-07-26
PT2465208T (pt) 2017-07-24
PL2465208T3 (pl) 2017-10-31
US20120140801A1 (en) 2012-06-07
WO2011019310A1 (fr) 2011-02-17
HUE035293T2 (en) 2018-05-02
EP2465208A4 (fr) 2015-05-13
EP2465208B1 (fr) 2017-04-19
EP2465208A1 (fr) 2012-06-20

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