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 (enrdf_load_stackoverflow)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US23397209P 2009-08-14 2009-08-14
PCT/SE2009/051426 WO2011019310A1 (en) 2009-08-14 2009-12-15 Antenna device

Publications (1)

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

Family

ID=43586311

Family Applications (1)

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

Country Status (9)

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

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IN2012DN03325A (enrdf_load_stackoverflow) * 2009-11-09 2015-10-23 Ericsson Telefon Ab L M
WO2012039659A1 (en) * 2010-09-23 2012-03-29 Telefonaktiebolaget L M Ericsson (Publ) 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 (en) * 2011-02-25 2012-08-30 Telefonaktiebolaget L M Ericsson (Publ) Receiver adaptation based on acquired precoder knowledge
US8675762B2 (en) * 2011-05-02 2014-03-18 Alcatel Lucent Method of transforming pre-coded signals for multiple-in-multiple-out wireless communication
EP2715868B1 (en) 2011-06-01 2018-12-26 Telefonaktiebolaget LM Ericsson (publ) A signal combiner, method 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
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 (en) * 2012-03-30 2013-10-03 Nokia Siemens Networks Oy Feedback methodology for per-user elevation mimo
US8619894B1 (en) * 2012-08-15 2013-12-31 Nokia Siemens Networks Oy Methods and apparatus for beamforming
WO2014035412A1 (en) 2012-08-31 2014-03-06 Nokia Siemens Networks Oy Methods and apparatus for beamforming
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
EP4149831A1 (en) * 2020-05-13 2023-03-22 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
EP1966908A4 (en) * 2005-12-08 2011-10-05 Ericsson Telefon Ab L M MIMO WIRELESS COMMUNICATION 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
WO2008033089A2 (en) 2006-09-14 2008-03-20 Telefonaktiebolaget Lm 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
ES2671241T3 (es) * 2007-10-08 2018-06-05 Telefonaktiebolaget Lm Ericsson (Publ) Procedimientos 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
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
KR101621376B1 (ko) * 2009-10-06 2016-05-31 주식회사 팬택자산관리 무선 통신 시스템에서의 프리코딩 및 피드백 채널 정보
US8112049B2 (en) * 2009-12-17 2012-02-07 Telefonaktiebolaget Lm Ericsson (Publ) Channel quality handling for precoder override
CN102823153B (zh) * 2010-04-07 2016-09-28 瑞典爱立信有限公司 用于mimo预编码的预编码器结构
EP2556600B1 (en) * 2010-04-09 2016-06-01 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
WO2011019310A1 (en) 2011-02-17
EP3197066A1 (en) 2017-07-26
US20120140801A1 (en) 2012-06-07
PT2465208T (pt) 2017-07-24
EP2465208A1 (en) 2012-06-20
ES2632398T3 (es) 2017-09-12
PL2465208T3 (pl) 2017-10-31
EP2465208B1 (en) 2017-04-19
US8665994B2 (en) 2014-03-04
DK2465208T3 (en) 2017-07-17
EP2465208A4 (en) 2015-05-13
HUE035293T2 (en) 2018-05-02

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