IN2014KN01301A - - Google Patents

Info

Publication number
IN2014KN01301A
IN2014KN01301A IN1301KON2014A IN2014KN01301A IN 2014KN01301 A IN2014KN01301 A IN 2014KN01301A IN 1301KON2014 A IN1301KON2014 A IN 1301KON2014A IN 2014KN01301 A IN2014KN01301 A IN 2014KN01301A
Authority
IN
India
Prior art keywords
base station
beams
antenna arrays
receive
processing
Prior art date
Application number
Other languages
English (en)
Inventor
Kaushik Josiam
Surra Shadi Abu
Ying Li
Sridhar Rajagopal
Zhouyue Pi
Original Assignee
Samsung Electronics Co Ltd
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 Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of IN2014KN01301A publication Critical patent/IN2014KN01301A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • 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
    • H04B7/0697—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 spatial multiplexing
    • 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
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0204—Channel estimation of multiple channels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0224—Channel estimation using sounding signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0014—Three-dimensional division
    • H04L5/0023—Time-frequency-space
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
IN1301KON2014 2011-12-19 2012-12-18 IN2014KN01301A (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201161577533P 2011-12-19 2011-12-19
US201261649838P 2012-05-21 2012-05-21
US13/678,795 US9077415B2 (en) 2011-12-19 2012-11-16 Apparatus and method for reference symbol transmission in an OFDM system
PCT/KR2012/011103 WO2013094980A1 (en) 2011-12-19 2012-12-18 Apparatus and method for reference symbol transmission in an ofdm system

Publications (1)

Publication Number Publication Date
IN2014KN01301A true IN2014KN01301A (de) 2015-10-16

Family

ID=48610122

Family Applications (1)

Application Number Title Priority Date Filing Date
IN1301KON2014 IN2014KN01301A (de) 2011-12-19 2012-12-18

Country Status (7)

Country Link
US (1) US9077415B2 (de)
EP (1) EP2795808A4 (de)
JP (1) JP6250549B2 (de)
KR (1) KR102332474B1 (de)
CN (1) CN104040908B (de)
IN (1) IN2014KN01301A (de)
WO (1) WO2013094980A1 (de)

Families Citing this family (119)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8811522B2 (en) 2012-05-29 2014-08-19 Magnolia Broadband Inc. Mitigating interferences for a multi-layer MIMO system augmented by radio distribution network
US8619927B2 (en) 2012-05-29 2013-12-31 Magnolia Broadband Inc. System and method for discrete gain control in hybrid MIMO/RF beamforming
US8649458B2 (en) 2012-05-29 2014-02-11 Magnolia Broadband Inc. Using antenna pooling to enhance a MIMO receiver augmented by RF beamforming
US8971452B2 (en) 2012-05-29 2015-03-03 Magnolia Broadband Inc. Using 3G/4G baseband signals for tuning beamformers in hybrid MIMO RDN systems
US8842765B2 (en) 2012-05-29 2014-09-23 Magnolia Broadband Inc. Beamformer configurable for connecting a variable number of antennas and radio circuits
US8644413B2 (en) 2012-05-29 2014-02-04 Magnolia Broadband Inc. Implementing blind tuning in hybrid MIMO RF beamforming systems
US8837650B2 (en) 2012-05-29 2014-09-16 Magnolia Broadband Inc. System and method for discrete gain control in hybrid MIMO RF beamforming for multi layer MIMO base station
US8767862B2 (en) 2012-05-29 2014-07-01 Magnolia Broadband Inc. Beamformer phase optimization for a multi-layer MIMO system augmented by radio distribution network
US8861635B2 (en) 2012-05-29 2014-10-14 Magnolia Broadband Inc. Setting radio frequency (RF) beamformer antenna weights per data-stream in a multiple-input-multiple-output (MIMO) system
US8885757B2 (en) 2012-05-29 2014-11-11 Magnolia Broadband Inc. Calibration of MIMO systems with radio distribution networks
US9154204B2 (en) 2012-06-11 2015-10-06 Magnolia Broadband Inc. Implementing transmit RDN architectures in uplink MIMO systems
US20140052884A1 (en) * 2012-08-14 2014-02-20 Zyxel Communications, Inc. Mobile device case with wireless high definition transmitter
US20140210666A1 (en) * 2013-01-25 2014-07-31 Alexander Maltsev Apparatus, system and method of wireless communication via an antenna array
WO2014115941A1 (en) * 2013-01-27 2014-07-31 Lg Electronics Inc. Method for transmitting and receiving planar antenna based reference signal in wireless communication system and apparatus therefor
US8797969B1 (en) 2013-02-08 2014-08-05 Magnolia Broadband Inc. Implementing multi user multiple input multiple output (MU MIMO) base station using single-user (SU) MIMO co-located base stations
US9343808B2 (en) 2013-02-08 2016-05-17 Magnotod Llc Multi-beam MIMO time division duplex base station using subset of radios
US8989103B2 (en) 2013-02-13 2015-03-24 Magnolia Broadband Inc. Method and system for selective attenuation of preamble reception in co-located WI FI access points
US9155110B2 (en) 2013-03-27 2015-10-06 Magnolia Broadband Inc. System and method for co-located and co-channel Wi-Fi access points
US8774150B1 (en) 2013-02-13 2014-07-08 Magnolia Broadband Inc. System and method for reducing side-lobe contamination effects in Wi-Fi access points
US20140226740A1 (en) 2013-02-13 2014-08-14 Magnolia Broadband Inc. Multi-beam co-channel wi-fi access point
US9225396B2 (en) * 2013-02-15 2015-12-29 Intel Corporation Apparatus, system and method of transmit power control for wireless communication
US9100968B2 (en) 2013-05-09 2015-08-04 Magnolia Broadband Inc. Method and system for digital cancellation scheme with multi-beam
US9425882B2 (en) 2013-06-28 2016-08-23 Magnolia Broadband Inc. Wi-Fi radio distribution network stations and method of operating Wi-Fi RDN stations
US8995416B2 (en) 2013-07-10 2015-03-31 Magnolia Broadband Inc. System and method for simultaneous co-channel access of neighboring access points
US8824596B1 (en) 2013-07-31 2014-09-02 Magnolia Broadband Inc. System and method for uplink transmissions in time division MIMO RDN architecture
US9497781B2 (en) 2013-08-13 2016-11-15 Magnolia Broadband Inc. System and method for co-located and co-channel Wi-Fi access points
CN110602721B (zh) 2013-08-20 2021-08-13 华为技术有限公司 通信方法及装置
US9060362B2 (en) 2013-09-12 2015-06-16 Magnolia Broadband Inc. Method and system for accessing an occupied Wi-Fi channel by a client using a nulling scheme
US9088898B2 (en) 2013-09-12 2015-07-21 Magnolia Broadband Inc. System and method for cooperative scheduling for co-located access points
EP3046269B1 (de) 2013-09-27 2018-09-19 Huawei Technologies Co., Ltd. Kommunikationsverfahren, basisstation und benutzervorrichtung
US9762995B2 (en) 2013-10-16 2017-09-12 Samsung Electronics Co., Ltd. Stochastic transmission/reception method and apparatus for MU-MIMO scheme in MIMO radio communication system
EP2863695B1 (de) * 2013-10-16 2016-07-27 Telefonica S.A. Verfahren und System zur Strahlkoordination zwischen Basisstationen in drahtlosen zellularen Systemen und Computerprogramm dafür
CN104579456B (zh) * 2013-10-18 2018-09-04 中国移动通信集团公司 异构网络通信方法及相应设备
US9172454B2 (en) 2013-11-01 2015-10-27 Magnolia Broadband Inc. Method and system for calibrating a transceiver array
KR102088529B1 (ko) * 2013-11-06 2020-03-12 삼성전자주식회사 통신 시스템에서 빔 훈련 방법 및 장치
US8891598B1 (en) 2013-11-19 2014-11-18 Magnolia Broadband Inc. Transmitter and receiver calibration for obtaining the channel reciprocity for time division duplex MIMO systems
US8942134B1 (en) 2013-11-20 2015-01-27 Magnolia Broadband Inc. System and method for selective registration in a multi-beam system
US8929322B1 (en) 2013-11-20 2015-01-06 Magnolia Broadband Inc. System and method for side lobe suppression using controlled signal cancellation
US20160302156A1 (en) * 2013-11-25 2016-10-13 Lg Electronics Inc. Method and device for transmitting uplink frame in wireless lan
US9014066B1 (en) 2013-11-26 2015-04-21 Magnolia Broadband Inc. System and method for transmit and receive antenna patterns calibration for time division duplex (TDD) systems
US9294177B2 (en) 2013-11-26 2016-03-22 Magnolia Broadband Inc. System and method for transmit and receive antenna patterns calibration for time division duplex (TDD) systems
KR102323130B1 (ko) * 2013-11-27 2021-11-10 삼성전자 주식회사 하이브리드 빔포밍 기반 오픈-루프 mimo 전송 방법 및 장치
US9042276B1 (en) 2013-12-05 2015-05-26 Magnolia Broadband Inc. Multiple co-located multi-user-MIMO access points
EP3080925B1 (de) * 2013-12-12 2020-07-22 Telefonaktiebolaget LM Ericsson (publ) Verfahren und netzwerkknoten für rundfunk
US9172446B2 (en) 2014-03-19 2015-10-27 Magnolia Broadband Inc. Method and system for supporting sparse explicit sounding by implicit data
US9100154B1 (en) 2014-03-19 2015-08-04 Magnolia Broadband Inc. Method and system for explicit AP-to-AP sounding in an 802.11 network
US9271176B2 (en) 2014-03-28 2016-02-23 Magnolia Broadband Inc. System and method for backhaul based sounding feedback
US20150341105A1 (en) * 2014-05-23 2015-11-26 Mediatek Inc. Methods for efficient beam training and communications apparatus and network control device utilizing the same
US9451536B2 (en) 2014-06-18 2016-09-20 Qualcomm Incorporated UE initiated discovery in assisted millimeter wavelength wireless access networks
US9705581B2 (en) * 2014-09-24 2017-07-11 Mediatek Inc. Synchronization in a beamforming system
US9698884B2 (en) 2014-09-24 2017-07-04 Mediatek Inc. Control signaling in a beamforming system
US9948374B2 (en) 2014-10-01 2018-04-17 Qualcomm Incorporated Beamforming configuration scheme
CN111371539B (zh) * 2014-10-10 2022-11-29 瑞典爱立信有限公司 控制基于csi-rs的信道估计的方法、基站和介质
KR102398646B1 (ko) * 2014-12-02 2022-05-17 삼성전자주식회사 하이브리드 다중-입력 다중-출력 방식을 지원하는 통신 시스템에서 빔 운용 장치 및 방법
KR101772739B1 (ko) * 2014-12-23 2017-08-29 한국과학기술원 Rf 빔포밍 방법, 및 이를 수행하는 장치들
CN106575984B (zh) * 2014-12-31 2021-03-30 华为技术有限公司 一种天线对准方法和系统
CN107210791B (zh) * 2015-01-29 2020-10-23 索尼公司 设备和方法
CN105991175B (zh) * 2015-01-29 2019-02-05 电信科学技术研究院 一种导频信号的发送、接收处理方法及装置
US10122424B2 (en) 2015-04-10 2018-11-06 Kyocera Corporation Mobile communication system, base station, and user terminal
WO2017014683A1 (en) * 2015-07-22 2017-01-26 Telefonaktiebolaget Lm Ericsson (Publ) Reference signaling for beamforming networks
ES2744183T3 (es) 2015-07-31 2020-02-24 Intel Ip Corp Descubrimiento de red y adquisición de haz para operación de célula de haz
CN107852209B (zh) * 2015-07-31 2021-01-12 华为技术有限公司 训练波束传输方法、装置及系统
US10038530B2 (en) 2015-08-14 2018-07-31 Industrial Technology Research Institute Method of transmitting and receiving CSI-RS and related apparatuses using the same
CN107852212B (zh) * 2015-08-27 2022-03-25 苹果公司 Mimo通信系统中的波束间移动性控制
US9549406B1 (en) 2015-09-14 2017-01-17 Elwha Llc Automatically adjustable radiofrequency link
US20180294859A1 (en) 2015-10-07 2018-10-11 Intel IP Corporation Dynamically beamformed control channel for beamformed cells
CN106612132B (zh) * 2015-10-16 2021-05-18 电信科学技术研究院 一种信道状态信息的传输方法和装置
JP6829206B2 (ja) * 2015-10-30 2021-02-10 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカPanasonic Intellectual Property Corporation of America 送信方法、送信装置、受信方法及び受信装置
WO2017078503A1 (ko) * 2015-11-05 2017-05-11 주식회사 윌러스표준기술연구소 비인가 대역에서 신호 전송 방법, 장치 및 시스템
WO2017082952A1 (en) * 2015-11-11 2017-05-18 Intel IP Corporation Mechanisms for beam switching and refinement in cellular systems
EP3381214B1 (de) * 2015-11-24 2020-08-05 Telefonaktiebolaget LM Ericsson (publ) Drahtlose vorrichtung, funknetzknoten und darin durchgeführte verfahren zur signalisierungsverwaltung in einem drahtloskommunikationsnetzwerk
CN105553531B (zh) * 2015-12-14 2020-03-31 北京邮电大学 毫米波系统快速信道估计方法
CN112615706B (zh) * 2016-01-15 2022-08-19 中兴通讯股份有限公司 一种信号的发送方法、信号的接收方法和装置
US10393850B2 (en) 2016-01-21 2019-08-27 Intel IP Corporation Apparatus, system and method of angle of departure (AOD) estimation
US10362447B2 (en) * 2016-01-21 2019-07-23 Intel IP Corporation Apparatus, system and method of angle of departure (AoD) estimation
EP3958478B1 (de) * 2016-01-29 2023-11-08 Telefonaktiebolaget LM Ericsson (publ) Strahlformung unter verwendung einer gruppenantenne
US11088749B2 (en) * 2016-02-25 2021-08-10 Apple Inc. Device and method of using BRRS configuration
JP2019509689A (ja) * 2016-03-10 2019-04-04 インターデイジタル パテント ホールディングス インコーポレイテッド mmW WLANシステムにおける同時MIMOビームフォーミングトレーニング
JP7297400B2 (ja) * 2016-03-18 2023-06-26 キヤノン株式会社 通信装置、情報処理装置、制御方法、および、プログラム
US10277338B2 (en) * 2016-03-23 2019-04-30 Telefonaktiebolaget Lm Ericsson (Publ) Efficient scheduling of beam quality measurement signals to multiple wireless devices
CN107294584B (zh) * 2016-03-31 2021-05-11 上海诺基亚贝尔股份有限公司 共享信道状态信息参考信号资源的方法和装置
JP2019519952A (ja) * 2016-04-15 2019-07-11 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) 無線ネットワークノード、無線デバイス及びそれらにおいて実行される方法
US11190327B2 (en) * 2016-04-15 2021-11-30 Apple Inc. Frequency tracking for beamformed systems
US11522743B2 (en) 2016-04-27 2022-12-06 Futurewei Technologies, Inc. Sounding reference signal (SRS) design for cellular time division duplex (TDD) mmWave systems
WO2017206100A1 (en) * 2016-06-01 2017-12-07 Intel IP Corporation Cqi reporting for flexible transmission mode switching
CN111525944B (zh) * 2016-06-03 2022-01-18 Oppo广东移动通信有限公司 传输数据的方法和装置
JP2018011249A (ja) * 2016-07-15 2018-01-18 三菱電機株式会社 通信システム、基地局装置、通信端末装置および通信方法
US10333672B2 (en) 2016-07-28 2019-06-25 Qualcomm Incorporated Semi-persistent measurement reference signal (MRS) configuration
CN107835042B (zh) 2016-09-14 2020-12-01 华为技术有限公司 同步波束发送接收方法、网络设备、终端及系统
CN109716669B (zh) * 2016-09-19 2020-11-03 Oppo广东移动通信有限公司 传输信号的方法和设备
WO2018062939A1 (ko) * 2016-09-29 2018-04-05 엘지전자 주식회사 무선 통신 시스템에서 무선 신호 송수신 방법 및 장치
EP3479516B1 (de) * 2016-09-30 2026-03-25 Motorola Mobility LLC Flexible funkressourcenzuweisung
US10425144B2 (en) * 2016-09-30 2019-09-24 Qualcomm Incorporated Methods for assisting in beam sweeping, tracking and recovery
CN108023629A (zh) * 2016-11-03 2018-05-11 株式会社Ntt都科摩 波束确定方法、下行传输解调方法、用户设备和基站
KR102675969B1 (ko) * 2016-11-04 2024-06-17 삼성전자주식회사 멀티-빔 시스템 빔 매니지먼트
US10582397B2 (en) * 2016-11-09 2020-03-03 Qualcomm Incorporated Beam refinement reference signal transmissions during control symbol
CN108075811B (zh) * 2016-11-11 2021-03-30 上海诺基亚贝尔股份有限公司 用于混合预编码的方法以及通信设备
WO2018130002A1 (en) * 2017-01-10 2018-07-19 Telefonaktiebolaget Lm Ericsson (Publ) Adaptive numerology for beamforming training
US10404433B2 (en) * 2017-01-31 2019-09-03 Qualcomm Incorporated Matrix-based techniques for mapping resource elements to ports for reference signals
KR101980429B1 (ko) * 2017-02-09 2019-05-20 한국과학기술원 수신 신호의 크기에 기초하여 빔을 선택하는 방법 및 장치
EP3596839A1 (de) * 2017-04-10 2020-01-22 Telefonaktiebolaget LM Ericsson (publ) Gerätespezifische strahlverwaltung einer drahtlosen vorrichtung
WO2018204273A1 (en) 2017-05-05 2018-11-08 Intel Corporation Management of mimo communication systems
US11888771B2 (en) 2017-05-05 2024-01-30 Qualcomm Incorporated Beam procedure information for channel state information reference signals (CSI-RS)
US10116367B1 (en) * 2017-06-09 2018-10-30 Sony Corporation Method and system for multiple-hop relayed directional wireless communication
KR102506475B1 (ko) 2017-08-31 2023-03-06 삼성전자 주식회사 이동 통신 시스템에서의 csi-rs 자원 반복 전송 지원 방법 및 장치
CN109495153B (zh) * 2017-09-13 2022-02-18 深圳富泰宏精密工业有限公司 用于波束训练与跟踪的异构网络、移动装置及方法
EP3688919A1 (de) * 2017-09-29 2020-08-05 Ntt Docomo, Inc. Verfahren zur übertragung eines kanalzustandsinformationsreferenzsignals (csi-rs), basisstation und benutzergerät
US10103823B1 (en) 2017-09-30 2018-10-16 Keysight Technologies, Inc. Radio channel emulator having a dynamically-variable channel model for use in testing base stations and user equipment (UE) that perform analog beam forming
US10110326B1 (en) 2017-09-30 2018-10-23 Keysight Technologies, Inc. Multi-probe anechoic chamber (MPAC) over-the-air (OTA) test system having a radio channel (RC) emulator that has a dynamically-variable channel model, and methods
WO2019127155A1 (zh) 2017-12-27 2019-07-04 Oppo广东移动通信有限公司 一种信息反馈方法及装置、计算机存储介质
WO2019194669A1 (en) 2018-04-06 2019-10-10 Lg Electronics Inc. Method for determining slot format of user equipment in wireless communication system and user equipment using the same
US10735110B2 (en) 2018-12-07 2020-08-04 Keysight Technologies, Inc. Methods, systems, and computer readable media for testing and modeling beamforming capabilities of a device under test
WO2021041309A2 (en) * 2019-08-23 2021-03-04 Iposi, Inc. Improved ofdm ranging using position reference symbol phase
EP3809604B1 (de) * 2019-10-15 2023-11-29 Nokia Technologies Oy Verfahren zum betrieb einer vorrichtung zum senden und/oder empfangen von hochfrequenzsignalen
US11088744B1 (en) 2020-02-07 2021-08-10 Keysight Technologies, Inc. Methods, systems, and computer readable media for 5G digital beamforming testing
CN111988825B (zh) * 2020-08-31 2021-06-29 西安电子科技大学 双频集成系统中的模式选择和切换方法
JP7093826B2 (ja) * 2020-12-03 2022-06-30 オッポ広東移動通信有限公司 データ伝送方法及び装置
WO2023048421A1 (ko) 2021-09-27 2023-03-30 주식회사 케이엠더블유 사중 편파 다이버시티 안테나 시스템
WO2023048420A1 (ko) * 2021-09-27 2023-03-30 주식회사 케이엠더블유 사중 편파 다이버시티 안테나 시스템

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9402942D0 (en) * 1994-02-16 1994-04-06 Northern Telecom Ltd Base station antenna arrangement
JPH09326630A (ja) * 1996-06-05 1997-12-16 N T T Ido Tsushinmo Kk アダプティブアレイアンテナ装置
US6438389B1 (en) * 1998-07-24 2002-08-20 The Board Of Trustees Of The Leland Stanford Junior University Wireless communication system with adaptive beam selection
KR20040008692A (ko) 2002-07-19 2004-01-31 주식회사 웨이브컴테크놀로지 디지털 빔 포밍 시스템
US8306574B2 (en) * 2003-10-29 2012-11-06 Robert Warner Method and system for an adaptive wireless communication system optimized for economic benefit
EP1833186A4 (de) * 2004-12-28 2010-07-07 Fujitsu Ltd Drahtloses kommunikationssystem
US8483200B2 (en) 2005-04-07 2013-07-09 Interdigital Technology Corporation Method and apparatus for antenna mapping selection in MIMO-OFDM wireless networks
US7539458B2 (en) * 2005-10-24 2009-05-26 The Regents Of The University Of California Apparatus and method for a system architecture for multiple antenna wireless communication systems using round robin channel estimation and transmit beam forming algorithms
WO2007114804A1 (en) * 2006-03-30 2007-10-11 Mitsubishi Electric Research Laboratories Antenna/beam selection training in mimo wireless lans with different sounding frames
US7848438B2 (en) * 2006-02-14 2010-12-07 Motorola Mobility, Inc. Method and apparatus for pilot signal transmission
CA2542445A1 (en) 2006-04-07 2007-10-07 Tenxc Wireless Inc. Adaptive multi-beam system
KR100903926B1 (ko) * 2007-07-09 2009-06-19 후지쯔 가부시끼가이샤 무선 통신 시스템
ATE517526T1 (de) * 2008-05-30 2011-08-15 Alcatel Lucent Verfahren und basisstation zur steuerung einer strahlbildung in einem mobilen zellularen netzwerk
WO2010002734A2 (en) * 2008-06-30 2010-01-07 Interdigital Patent Holdings, Inc. Method and apparatus to support single user (su) and multiuser (mu) beamforming with antenna array groups
JP2010068482A (ja) * 2008-09-12 2010-03-25 Toshiba Corp アレイアンテナ装置
US8982750B2 (en) * 2009-01-16 2015-03-17 Qualcomm Incorporated Method and apparatus for transmitting overload indicator over the air
JP5278035B2 (ja) * 2009-02-25 2013-09-04 ソニー株式会社 通信装置及び通信方法、コンピューター・プログラム、並びに通信システム
US20100310002A1 (en) 2009-06-05 2010-12-09 Broadcom Corporation Adaptive and selective frame formats within multiple user, multiple access, and/or mimo wireless communications
US8285221B2 (en) 2009-08-31 2012-10-09 Motorola Mobility Llc Scalable self-calibrating and configuring radio frequency head for a wireless communication system
US9806789B2 (en) * 2010-04-06 2017-10-31 Samsung Electronics Co., Ltd. Apparatus and method for spatial division duplex (SDD) for millimeter wave communication system
EP2544378A3 (de) * 2010-12-08 2014-05-28 Broadcom Corporation Verfahren und System für Hochfrequenz-Steuerungsschnittstelle für einen 60-GHz-Chipsatz (HF-Modulsteuerungsschnittstelle)
JP5795723B2 (ja) * 2011-05-27 2015-10-14 京セラ株式会社 無線送信装置及び送信制御方法
US8385305B1 (en) * 2012-04-16 2013-02-26 CBF Networks, Inc Hybrid band intelligent backhaul radio

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KR102332474B1 (ko) 2021-11-30
KR20130070560A (ko) 2013-06-27
JP2015509305A (ja) 2015-03-26
JP6250549B2 (ja) 2017-12-20
CN104040908B (zh) 2017-06-13
US9077415B2 (en) 2015-07-07
WO2013094980A1 (en) 2013-06-27
EP2795808A1 (de) 2014-10-29
CN104040908A (zh) 2014-09-10
US20130156120A1 (en) 2013-06-20

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