IN2014DN06837A - - Google Patents

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Publication number
IN2014DN06837A
IN2014DN06837A IN6837DEN2014A IN2014DN06837A IN 2014DN06837 A IN2014DN06837 A IN 2014DN06837A IN 6837DEN2014 A IN6837DEN2014 A IN 6837DEN2014A IN 2014DN06837 A IN2014DN06837 A IN 2014DN06837A
Authority
IN
India
Prior art keywords
base station
data signal
radio base
user equipment
active
Prior art date
Application number
Other languages
English (en)
Inventor
Niklas Wernersson
Svante Bergman
George Jöngren
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 IN2014DN06837A publication Critical patent/IN2014DN06837A/en

Links

Classifications

    • 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
    • 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
    • H04B7/0617—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 for beam forming
    • 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
    • H04B7/0686—Hybrid systems, i.e. switching and simultaneous transmission
    • H04B7/0695—Hybrid systems, i.e. switching and simultaneous transmission using beam selection
    • H04B7/06952—Selecting one or more beams from a plurality of beams, e.g. beam training, management or sweeping
    • 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
    • H04B7/0632—Channel quality parameters, e.g. channel quality indicator [CQI]
    • 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
    • H04B7/0636—Feedback format
    • H04B7/0639—Using selective indices, e.g. of a codebook, e.g. pre-distortion matrix index [PMI] or for beam selection

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
IN6837DEN2014 2012-03-02 2012-03-02 IN2014DN06837A (cs)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/SE2012/050239 WO2013129984A1 (en) 2012-03-02 2012-03-02 Radio base station and method therein for transmitting a data signal to a user equipment in a radio communications network

Publications (1)

Publication Number Publication Date
IN2014DN06837A true IN2014DN06837A (cs) 2015-05-22

Family

ID=49042798

Family Applications (1)

Application Number Title Priority Date Filing Date
IN6837DEN2014 IN2014DN06837A (cs) 2012-03-02 2012-03-02

Country Status (4)

Country Link
US (1) US9031148B2 (cs)
EP (1) EP2820772B1 (cs)
IN (1) IN2014DN06837A (cs)
WO (1) WO2013129984A1 (cs)

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US9368871B2 (en) * 2012-03-14 2016-06-14 John Howard Fractional beam forming network antenna
US9161241B2 (en) * 2012-03-30 2015-10-13 Nokia Solutions And Networks Oy Reference signal design and signaling for per-user elevation MIMO
JP2015513280A (ja) * 2012-03-30 2015-04-30 ノキア ソリューションズ アンド ネットワークス オサケユキチュア ユーザごとの仰角ｍｉｍｏのためのフィードバック方法
US9059878B2 (en) 2012-03-30 2015-06-16 Nokia Solutions And Networks Oy Codebook feedback method for per-user elevation beamforming
US9119209B2 (en) * 2012-03-30 2015-08-25 Samsung Electronics Co., Ltd. Apparatus and method for channel-state-information pilot design for an advanced wireless network
WO2014168319A1 (en) * 2013-04-08 2014-10-16 Lg Electronics Inc. Method and apparatus for providing control information for fractional beamforming in a wireless communication system
US9154206B2 (en) * 2013-06-28 2015-10-06 Nokia Solutions And Networks Oy Vertical beam design for UE-specific beamforming by matching to a CB
WO2015169368A1 (en) * 2014-05-08 2015-11-12 Telefonaktiebolaget L M Ericsson (Publ) Beam forming using a dual polarized antenna arrangement
KR101993967B1 (ko) * 2014-05-08 2019-06-27 텔레호낙티에볼라게트 엘엠 에릭슨(피유비엘) 안테나 배열체를 사용하는 빔 포밍
US20160072562A1 (en) * 2014-09-10 2016-03-10 Samsung Electronics Co., Ltd. Channel state information reporting with basis expansion for advanced wireless communications systems
MY180778A (en) * 2015-01-14 2020-12-09 Ericsson Telefon Ab L M Codebook subset restriction signaling
CN106160801B (zh) * 2015-03-25 2020-01-31 联想(北京)有限公司 一种信号处理方法及基站
CN107925455B (zh) * 2015-06-18 2021-09-07 瑞典爱立信有限公司 用于适配码本以供多个天线配置使用的系统和方法
US10020857B2 (en) 2015-09-04 2018-07-10 Telefonaktiebolaget L M Ericsson (Publ) Precoding a transmission from an antenna array that includes co-polarized antenna elements aligned in a given spatial dimension
CN108352870B (zh) 2015-11-04 2021-07-27 瑞典爱立信有限公司 对从天线阵列的传输进行预编码的方法和发送无线电节点
CN107370530B (zh) * 2016-05-12 2021-02-12 华为技术有限公司 信道状态信息反馈方法、预编码方法、终端设备和基站
CN108667550B (zh) * 2017-03-28 2020-02-14 华为技术有限公司 一种干扰协调方法及装置
US10389426B2 (en) * 2017-04-25 2019-08-20 Samsung Electronics Co., Ltd. Method and apparatus for higher rank CSI reporting in advanced wireless communication systems
EP3602816B1 (en) 2017-08-11 2022-03-02 Telefonaktiebolaget LM Ericsson (publ) Enhanced beam-based codebook subset restriction signaling
US11349550B2 (en) 2020-08-21 2022-05-31 Huawei Technologies Co., Ltd. Systems and methods for angular direction indication in wireless communication
EP4324236A4 (en) * 2021-04-16 2025-01-15 Lenovo (Beijing) Limited Angle of departure based channel state information

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US20040162115A1 (en) * 2003-02-14 2004-08-19 Martin Smith Wireless antennas, networks, methods, software, and services
DE602006021344D1 (de) * 2006-01-04 2011-05-26 Ericsson Telefon Ab L M Gruppenantennenanordnung
GB0602530D0 (en) 2006-02-09 2006-03-22 Quintel Technology Ltd Phased array antenna system with multiple beams
US8737507B2 (en) 2008-11-03 2014-05-27 Telefonaktiebolaget L M Ericsson (Publ) Method for transmitting of reference signals and determination of precoding matrices for multi-antenna transmission
KR101607988B1 (ko) * 2009-04-23 2016-04-12 삼성전자주식회사 무선통신시스템에서 간섭 완화를 위한 장치 및 방법
US8891647B2 (en) * 2009-10-30 2014-11-18 Futurewei Technologies, Inc. System and method for user specific antenna down tilt in wireless cellular networks
US8472547B2 (en) * 2010-04-07 2013-06-25 Telefonaktiebolaget Lm Ericsson (Publ) Parameterized codebook with subset restrictions for use with precoding MIMO transmissions
US8494033B2 (en) * 2010-06-15 2013-07-23 Telefonaktiebolaget L M Ericsson (Publ) Methods providing precoder feedback using multiple precoder indices and related communications devices and systems
WO2011162422A1 (en) * 2010-06-21 2011-12-29 Pantech Co., Ltd. Transmitter and receiver, method thereof in wireless communication system
EP2633633B1 (en) * 2010-10-25 2019-06-26 LG Electronics Inc. Method of reducing intercell interference in wireless communication system and apparatus thereof
EP2482582B1 (en) * 2011-01-26 2013-01-16 Alcatel Lucent Base station, method of operating a base station, terminal and method of operating a terminal
US8675762B2 (en) * 2011-05-02 2014-03-18 Alcatel Lucent Method of transforming pre-coded signals for multiple-in-multiple-out wireless communication
EP2555445A1 (en) * 2011-08-03 2013-02-06 Alcatel Lucent Method of operating a transmitter and transmitter

Also Published As

Publication number Publication date
EP2820772B1 (en) 2019-11-20
EP2820772A1 (en) 2015-01-07
US20130229980A1 (en) 2013-09-05
US9031148B2 (en) 2015-05-12
WO2013129984A1 (en) 2013-09-06

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