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)
  • Radio Transmission System (AREA)
  • Mobile Radio Communication Systems (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
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
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
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
CN102439870B (zh) 2011-10-17 2014-07-09 华为技术有限公司 一种实现微波多输入多输出的方法、设备和系统
WO2013144361A1 (fr) * 2012-03-30 2013-10-03 Nokia Siemens 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
EP2891251B1 (fr) 2012-08-31 2021-08-04 Nokia Solutions and 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
WO2021229509A1 (fr) * 2020-05-13 2021-11-18 Russel 10984 (Pty) Ltd Dispositif et procédé d'échantillonnage 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
US8503402B2 (en) * 2006-09-14 2013-08-06 Telefonaktiebolaget L M Ericsson (Publ) Method and arrangements for load balancing of power amplifiers
US8107544B2 (en) * 2007-05-16 2012-01-31 Motorola Mobility, Inc. Method and apparatus for feedback in closed loop transmitting
US8626081B2 (en) * 2007-10-08 2014-01-07 Telefonaktiebolaget Lm Ericsson (Publ) Method and arrangements for signaling control information in a communication system
US8340235B2 (en) * 2008-09-25 2012-12-25 Research In Motion Limited X-MIMO systems with multi-transmitters and multi-receivers
US8873533B2 (en) * 2008-11-12 2014-10-28 Telefonaktiebolaget Lm Ericsson (Publ) Method and a transmitter in a wireless communication network
US8750205B2 (en) * 2009-08-07 2014-06-10 Texas Instruments Incorporated Multiple rank CQI feedback for cellular networks
WO2011043497A1 (fr) * 2009-10-06 2011-04-14 Pantech Co., Ltd. Précodage et informations de canal de retour dans un système de communication sans fil
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
US8571488B2 (en) * 2010-04-09 2013-10-29 Interdigital Patent Holdings, Inc. Power control for closed loop transmit diversity and MIMO in uplink
WO2012053948A1 (fr) * 2010-10-19 2012-04-26 Telefonaktiebolaget L M Ericsson (Publ) Dispositif d'antenne et procédé de codage préalable de données dans système à multiples entrées-multiples sorties
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
US20120140801A1 (en) 2012-06-07
EP3197066A1 (fr) 2017-07-26
HUE035293T2 (en) 2018-05-02
EP2465208B1 (fr) 2017-04-19
WO2011019310A1 (fr) 2011-02-17
PL2465208T3 (pl) 2017-10-31
ES2632398T3 (es) 2017-09-12
EP2465208A1 (fr) 2012-06-20
US8665994B2 (en) 2014-03-04
DK2465208T3 (en) 2017-07-17
EP2465208A4 (fr) 2015-05-13
PT2465208T (pt) 2017-07-24

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