[go: up one dir, main page]

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
EP2499751A4 (fr) * 2009-11-09 2014-08-27 Ericsson Telefon Ab L M Procédé et dispositif de réglage de polarisations pour des antennes à polarisation croisée
US8891676B2 (en) 2010-09-23 2014-11-18 Optis Cellular Technology, Llc Antenna device and method in a MIMO system
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
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
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
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
US20230192254A1 (en) * 2020-05-13 2023-06-22 Russel 10984 (Pty) Ltd Device and method for underwater sampling

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
US8032080B2 (en) * 2005-12-08 2011-10-04 Telefonaktiebolaget L M Ericsson (Publ) Wireless communication MIMO system with repeaters
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
DE202008018547U1 (de) * 2007-10-08 2015-08-05 Telefonaktiebolaget L M Ericsson (Publ) Anordnungen zum Signalisieren von Steuerinformation in einem Kommunikationssystem
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
DK2556599T3 (en) * 2010-04-07 2017-02-06 ERICSSON TELEFON AB L M (publ) PARAMETERIZED CODE BOOK WITH SUBSET RESTRICTIONS FOR USE WITH Coding MIMO TRANSMISSIONS
CN103004103B (zh) * 2010-04-09 2016-04-27 交互数字专利控股公司 用于上行链路中的闭环发射分集和mimo的功率控制方法和设备
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
EP2465208A1 (fr) 2012-06-20
WO2011019310A1 (fr) 2011-02-17
EP2465208A4 (fr) 2015-05-13
ES2632398T3 (es) 2017-09-12
EP2465208B1 (fr) 2017-04-19
HUE035293T2 (en) 2018-05-02
DK2465208T3 (en) 2017-07-17
US20120140801A1 (en) 2012-06-07
EP3197066A1 (fr) 2017-07-26
US8665994B2 (en) 2014-03-04
PL2465208T3 (pl) 2017-10-31
PT2465208T (pt) 2017-07-24

Similar Documents

Publication Publication Date Title
IN2012DN01129A (fr)
WO2012027060A3 (fr) Station et procédé de communication adaptés pour fournir une rétroaction de canal efficace pour des communications mimo
WO2013169666A3 (fr) Rétroaction spécifique à un rang pour un support mimo amélioré
WO2011099794A3 (fr) Appareil de rétroaction d'informations d'état de canal et procédé associé, station de base et procédé de transmission de ladite station
WO2010087666A3 (fr) Procédé d'attribution de ressources pour transmettre un signal de liaison montante dans un système de communication sans fil à entrées multiples sortie multiples et dispositif associé
EP4557631A3 (fr) Transmission dynamique à faisceaux multiples pour communications à entrées multiples et sorties multiples de technologie new radio
WO2011046317A3 (fr) Procédé et appareil de commutation de mode entre un mode de communication coordonnée multicellule et un mode de communication mimo monocellule
WO2011126243A3 (fr) Dispositif de renvoi d'informations d'état de canal, procédé associé et station de base
JP2012157001A5 (ja) 通信装置及び通信方法
WO2014126992A3 (fr) Amélioration de livre de codes 4tx dans une technologie d'évolution à long terme (lte)
WO2010106443A3 (fr) Livre de codes de précodage et représentation en rétroaction
WO2013068915A3 (fr) Retour d'informations de précodage pour antennes à polarisation croisée avec informations d'amplitude
WO2009047739A3 (fr) Procédé et système pour gérer un précodage dans un système de communications sans fil multi-utilisateur
IN2012DN02349A (fr)
MX2009001250A (es) Metodo, aparato y sistema para implementar tecnicas de entradas multiples y salidas multiples (mimo) virtuales para usuarios multiples.
WO2012149178A3 (fr) Traitement spatial en boucle ouverte
ATE535063T1 (de) Verfahren und einrichtung zum vorcodieren von sendedatensignalen in einem drahtlosen mimo- kommunikationssystem
WO2010093179A3 (fr) Procédé de précodage de liaison montante dans un système 4-tx
WO2010120106A3 (fr) Transmissions mimo à plusieurs utilisateurs dans des systèmes de communication sans fil
WO2010101374A3 (fr) Procédé de précodage de liaison montante dans un système 4-tx
WO2010126317A3 (fr) Procédé de réglage de précodeur dans un système entrées multiples / sorties multiples (mimo) en boucle ouverte
WO2011028646A3 (fr) Précodeur à égaliseur à retour de décision généralisée avec formation de faisceau de récepteur pour calculs de matrice dans des systèmes de transmission sans fil entrée multiple sortie multiple multiutilisateurs
WO2011005048A3 (fr) Station mobile, station de base et procédé de fonctionnement de la station mobile
MY154092A (en) Feedback method for performing a feedback by using a codebook in mimo system
WO2011011192A3 (fr) Techniques de formation de faisceaux mimo pour des canaux sélectifs en fréquence dans des systèmes de communication sans fil