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

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0697Diversity 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613Diversity 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
    • H04B7/0615Diversity 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
    • H04B7/0617Diversity 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202Channel estimation
    • H04L25/0204Channel estimation of multiple channels
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202Channel estimation
    • H04L25/0224Channel estimation using sounding signals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/0001Arrangements for dividing the transmission path
    • H04L5/0014Three-dimensional division
    • H04L5/0023Time-frequency-space
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048Allocation 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 (enrdf_load_stackoverflow)

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 (enrdf_load_stackoverflow) 2015-10-16

Family

ID=48610122

Family Applications (1)

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

Country Status (7)

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

Families Citing this family (118)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
US8649458B2 (en) 2012-05-29 2014-02-11 Magnolia Broadband Inc. Using antenna pooling to enhance a MIMO receiver augmented by RF beamforming
US8811522B2 (en) 2012-05-29 2014-08-19 Magnolia Broadband Inc. Mitigating interferences for a multi-layer MIMO system augmented by radio distribution network
US8885757B2 (en) 2012-05-29 2014-11-11 Magnolia Broadband Inc. Calibration of MIMO systems with radio distribution networks
US8619927B2 (en) 2012-05-29 2013-12-31 Magnolia Broadband Inc. System and method for discrete gain control in hybrid MIMO/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
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
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
KR20150113071A (ko) * 2013-01-27 2015-10-07 엘지전자 주식회사 무선 통신 시스템에서 평판 안테나 기반 참조 신호 송수신 방법 및 이를 위한 장치
US9343808B2 (en) 2013-02-08 2016-05-17 Magnotod Llc Multi-beam MIMO time division duplex base station using subset of radios
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
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
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
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
US9088898B2 (en) 2013-09-12 2015-07-21 Magnolia Broadband Inc. System and method for cooperative scheduling for co-located access points
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
JP6306692B2 (ja) * 2013-09-27 2018-04-04 華為技術有限公司Huawei Technologies Co.,Ltd. 通信方法、基地局およびユーザ機器
ES2599071T3 (es) * 2013-10-16 2017-01-31 Telefónica S.A. Un método y un sistema para la coordinación de haces entre estaciones base en sistemas celulares inalámbricos y programa de ordenador para los mismos
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
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
US8929322B1 (en) 2013-11-20 2015-01-06 Magnolia Broadband Inc. System and method for side lobe suppression using controlled signal cancellation
US8942134B1 (en) 2013-11-20 2015-01-27 Magnolia Broadband Inc. System and method for selective registration in a multi-beam system
JP6416257B2 (ja) * 2013-11-25 2018-10-31 エルジー エレクトロニクス インコーポレイティド 無線lanにおけるアップリンクフレームを送信する方法及び装置
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 (en) * 2013-12-12 2020-07-22 Telefonaktiebolaget LM Ericsson (publ) Method and network node for broadcasting
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
US9172446B2 (en) 2014-03-19 2015-10-27 Magnolia Broadband Inc. Method and system for supporting sparse explicit sounding by implicit data
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
US9698884B2 (en) 2014-09-24 2017-07-04 Mediatek Inc. Control signaling in a beamforming system
US9705581B2 (en) * 2014-09-24 2017-07-11 Mediatek Inc. Synchronization in a beamforming system
US9948374B2 (en) 2014-10-01 2018-04-17 Qualcomm Incorporated Beamforming configuration scheme
EP3205041A1 (en) * 2014-10-10 2017-08-16 Telefonaktiebolaget LM Ericsson (publ) Method for csi feedback
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
EP3229380B1 (en) * 2014-12-31 2019-05-29 Huawei Technologies Co. Ltd. Antenna alignment method and system
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
CA2974948A1 (en) * 2015-01-29 2016-08-04 Sony Corporation Apparatus and method
WO2016163490A1 (ja) * 2015-04-10 2016-10-13 京セラ株式会社 移動通信システム、基地局、及びユーザ端末
WO2017014683A1 (en) * 2015-07-22 2017-01-26 Telefonaktiebolaget Lm Ericsson (Publ) Reference signaling for beamforming networks
WO2017023232A1 (en) * 2015-07-31 2017-02-09 Intel IP Corporation Network discovery and beam acquisition for beam cell operation
EP3316493A4 (en) * 2015-07-31 2018-07-11 Huawei Technologies Co., Ltd. Training beam transmission method, apparatus and system
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
CN111600638B (zh) * 2015-10-30 2022-08-02 松下电器(美国)知识产权公司 发送装置
CN108353061B (zh) * 2015-11-05 2021-10-15 北京小米移动软件有限公司 用于在非授权带中传输信号的方法、装置、和系统
WO2017082952A1 (en) * 2015-11-11 2017-05-18 Intel IP Corporation Mechanisms for beam switching and refinement in cellular systems
US10716078B2 (en) * 2015-11-24 2020-07-14 Telefonaktiebolaget Lm Ericsson (Publ) Wireless device, radio-network node, and methods performed therein for managing signaling in a wireless communication network
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
CN106982184B (zh) * 2016-01-15 2020-11-10 中兴通讯股份有限公司 一种实现测量参考符号传输的方法及装置
US10362447B2 (en) * 2016-01-21 2019-07-23 Intel IP Corporation Apparatus, system and method of angle of departure (AoD) estimation
US10393850B2 (en) 2016-01-21 2019-08-27 Intel IP Corporation Apparatus, system and method of angle of departure (AOD) estimation
US10164694B2 (en) * 2016-01-29 2018-12-25 Telefonaktiebolaget Lm Ericsson (Publ) Beamforming using an antenna array
WO2017146758A1 (en) * 2016-02-25 2017-08-31 Intel IP Corporation Device and method of using brrs configuration
EP3427401B1 (en) * 2016-03-10 2021-01-06 Interdigital Patent Holdings, Inc. Concurrent mimo beamforming training in mmw wlan systems
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
WO2017162283A1 (en) * 2016-03-23 2017-09-28 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
WO2017180803A2 (en) 2016-04-15 2017-10-19 Intel IP Corporation Frequency tracking for beamformed systems
KR102146177B1 (ko) * 2016-04-15 2020-08-19 텔레폰악티에볼라겟엘엠에릭슨(펍) 무선-네트워크 노드, 무선 장치 및 이들에서 수행된 방법
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
SG11201810831XA (en) * 2016-06-03 2019-01-30 Guangdong Oppo Mobile Telecommunications Corp Ltd Method and device for transmitting data
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
BR112019005244B1 (pt) * 2016-09-19 2024-01-09 Guangdong Oppo Mobile Telecommunications Corp., Ltd Método de transmissão de sinais, e dispositivo de transmissão de sinais
WO2018062939A1 (ko) * 2016-09-29 2018-04-05 엘지전자 주식회사 무선 통신 시스템에서 무선 신호 송수신 방법 및 장치
US10680865B2 (en) * 2016-09-30 2020-06-09 Motorola Mobility Llc Flexible radio resource allocation
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
US11362712B2 (en) * 2017-01-10 2022-06-14 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 (en) * 2017-04-10 2020-01-22 Telefonaktiebolaget LM Ericsson (publ) Device-specific beam management of a wireless device
EP3619820A1 (en) 2017-05-05 2020-03-11 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
US10735081B2 (en) * 2017-09-13 2020-08-04 Chiun Mai Communication Systems, Inc. Heterogeneous network, mobile device and method for beam training and tracking
CN111052664A (zh) * 2017-09-29 2020-04-21 株式会社Ntt都科摩 发送信道状态信息参考信号(csi-rs)的方法、基站和用户设备
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
CN120528572A (zh) * 2017-12-27 2025-08-22 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
JP6912592B2 (ja) 2018-04-06 2021-08-04 エルジー エレクトロニクス インコーポレイティド 無線通信システムにおける端末のスロットフォーマット決定方法、及び前記方法を利用する端末
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
GB2603062A (en) * 2019-08-23 2022-07-27 Iposi Inc Improved OFDM ranging using position reference symbol phase
EP3809604B1 (en) * 2019-10-15 2023-11-29 Nokia Technologies Oy Method of operating an apparatus for transmitting and/or receiving radio frequency signals
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
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
KR100958501B1 (ko) * 2004-12-28 2010-05-17 후지쯔 가부시끼가이샤 무선 통신 시스템
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
US7848438B2 (en) * 2006-02-14 2010-12-07 Motorola Mobility, Inc. Method and apparatus for pilot signal transmission
CN101305525A (zh) * 2006-03-30 2008-11-12 三菱电机研究实验室 利用不同的探测帧在mimo无线局域网中进行的天线/波束选择训练
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
EP2129173B1 (en) * 2008-05-30 2011-07-20 Alcatel Lucent Method and base station for controlling beam forming in a mobile cellular network
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 (en) * 2010-12-08 2014-05-28 Broadcom Corporation Method and system for 60 GHz chipset RF control interface (RF module control interface)
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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CN104040908B (zh) 2017-06-13
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US9077415B2 (en) 2015-07-07
EP2795808A1 (en) 2014-10-29
US20130156120A1 (en) 2013-06-20
KR20130070560A (ko) 2013-06-27
KR102332474B1 (ko) 2021-11-30
JP2015509305A (ja) 2015-03-26
EP2795808A4 (en) 2015-12-16
WO2013094980A1 (en) 2013-06-27

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