JP4924106B2 - 無線通信システム、並びに無線通信装置及び無線通信方法 - Google Patents

無線通信システム、並びに無線通信装置及び無線通信方法 Download PDF

Info

Publication number
JP4924106B2
JP4924106B2 JP2007056245A JP2007056245A JP4924106B2 JP 4924106 B2 JP4924106 B2 JP 4924106B2 JP 2007056245 A JP2007056245 A JP 2007056245A JP 2007056245 A JP2007056245 A JP 2007056245A JP 4924106 B2 JP4924106 B2 JP 4924106B2
Authority
JP
Japan
Prior art keywords
transmission
max
terminal
wireless communication
matrix
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
JP2007056245A
Other languages
English (en)
Japanese (ja)
Other versions
JP2007318729A (ja
JP2007318729A5 (enExample
Inventor
智也 山浦
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sony Corp
Original Assignee
Sony Corp
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
Priority to JP2007056245A priority Critical patent/JP4924106B2/ja
Application filed by Sony Corp filed Critical Sony Corp
Priority to US11/790,593 priority patent/US8194720B2/en
Priority to CN2007100975745A priority patent/CN101064544B/zh
Priority to CN201310046342.2A priority patent/CN103138812B/zh
Publication of JP2007318729A publication Critical patent/JP2007318729A/ja
Publication of JP2007318729A5 publication Critical patent/JP2007318729A5/ja
Application granted granted Critical
Publication of JP4924106B2 publication Critical patent/JP4924106B2/ja
Priority to US13/460,894 priority patent/US8744371B2/en
Priority to US13/958,369 priority patent/US8699405B2/en
Priority to US13/958,418 priority patent/US8730904B2/en
Priority to US14/248,481 priority patent/US9344222B2/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • H04L1/0618—Space-time coding
    • H04L1/0675—Space-time coding characterised by the signaling
    • H04L1/0681—Space-time coding characterised by the signaling adapting space time parameters, i.e. modifying the space time matrix
    • 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
    • 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
    • H04B7/0417—Feedback systems
    • H04B7/0421—Feedback systems utilizing implicit feedback, e.g. steered pilot signals
    • 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
    • H04B7/0426—Power distribution
    • H04B7/043—Power distribution using best eigenmode, e.g. beam forming or beam steering
    • 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
    • H04B7/0619—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
    • H04B7/0626—Channel coefficients, e.g. channel state information [CSI]
    • 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
    • H04B7/0628—Diversity capabilities
    • 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
    • H04B7/0643—Feedback on request
    • 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
    • H04L1/0618—Space-time coding
    • H04L1/0625—Transmitter arrangements
    • 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
    • H04L25/022—Channel estimation of frequency response
    • 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
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L25/03159—Arrangements for removing intersymbol interference operating in the frequency domain
    • 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
    • H04L27/2601—Multicarrier modulation systems
    • 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
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L2025/0335—Arrangements for removing intersymbol interference characterised by the type of transmission
    • H04L2025/03375—Passband transmission
    • H04L2025/03414—Multicarrier
    • 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
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L2025/0335—Arrangements for removing intersymbol interference characterised by the type of transmission
    • H04L2025/03426—Arrangements for removing intersymbol interference characterised by the type of transmission transmission using multiple-input and multiple-output 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
    • H04L25/024—Channel estimation channel estimation algorithms
    • H04L25/0242—Channel estimation channel estimation algorithms using matrix methods

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
JP2007056245A 2006-04-27 2007-03-06 無線通信システム、並びに無線通信装置及び無線通信方法 Active JP4924106B2 (ja)

Priority Applications (8)

Application Number Priority Date Filing Date Title
JP2007056245A JP4924106B2 (ja) 2006-04-27 2007-03-06 無線通信システム、並びに無線通信装置及び無線通信方法
US11/790,593 US8194720B2 (en) 2006-04-27 2007-04-26 Wireless communication system, wireless communication apparatus and wireless communication method
CN2007100975745A CN101064544B (zh) 2006-04-27 2007-04-27 无线通信系统、无线通信装置以及无线通信方法
CN201310046342.2A CN103138812B (zh) 2006-04-27 2007-04-27 无线通信终端
US13/460,894 US8744371B2 (en) 2006-04-27 2012-05-01 Wireless communication system, wireless communication apparatus and wireless communication method
US13/958,418 US8730904B2 (en) 2006-04-27 2013-08-02 Wireless communication system, wireless communication apparatus and wireless communication method
US13/958,369 US8699405B2 (en) 2006-04-27 2013-08-02 Wireless communication system, wireless communication apparatus and wireless communication method
US14/248,481 US9344222B2 (en) 2006-04-27 2014-04-09 Wireless communication system, wireless communication apparatus and wireless communication method

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2006124538 2006-04-27
JP2006124538 2006-04-27
JP2007056245A JP4924106B2 (ja) 2006-04-27 2007-03-06 無線通信システム、並びに無線通信装置及び無線通信方法

Publications (3)

Publication Number Publication Date
JP2007318729A JP2007318729A (ja) 2007-12-06
JP2007318729A5 JP2007318729A5 (enExample) 2010-04-15
JP4924106B2 true JP4924106B2 (ja) 2012-04-25

Family

ID=38648304

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2007056245A Active JP4924106B2 (ja) 2006-04-27 2007-03-06 無線通信システム、並びに無線通信装置及び無線通信方法

Country Status (3)

Country Link
US (5) US8194720B2 (enExample)
JP (1) JP4924106B2 (enExample)
CN (2) CN101064544B (enExample)

Families Citing this family (72)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4775288B2 (ja) 2006-04-27 2011-09-21 ソニー株式会社 無線通信システム、無線通信装置及び無線通信方法
JP4924106B2 (ja) 2006-04-27 2012-04-25 ソニー株式会社 無線通信システム、並びに無線通信装置及び無線通信方法
JP4924107B2 (ja) 2006-04-27 2012-04-25 ソニー株式会社 無線通信システム、並びに無線通信装置及び無線通信方法
JP4356756B2 (ja) 2006-04-27 2009-11-04 ソニー株式会社 無線通信システム、並びに無線通信装置及び無線通信方法
US8462716B1 (en) 2007-07-11 2013-06-11 Marvell International Ltd. Method and apparatus for using multiple codebooks for wireless transmission to a plurality of users in a cell
US9048945B2 (en) * 2007-08-31 2015-06-02 Intel Corporation Antenna training and tracking protocol
US8213870B2 (en) 2007-10-15 2012-07-03 Marvell World Trade Ltd. Beamforming using predefined spatial mapping matrices
US20090185608A1 (en) * 2008-01-22 2009-07-23 Warren Blackwell Methods and systems for surveying, analyzing and presenting point to point mimo channels using information exchanged between ieee 802.11n compliant nodes at the media access control layer
US8351521B2 (en) 2008-03-17 2013-01-08 Qualcomm Incorporated Multi-resolution beamforming based on codebooks in MIMO systems
US8503928B2 (en) * 2008-06-18 2013-08-06 Mediatek Inc. Method and system for beamforming training and communications apparatuses utilizing the same
KR101027233B1 (ko) * 2008-07-23 2011-04-06 엘지전자 주식회사 다중 안테나 시스템에서 참조신호 전송 방법
US8767524B2 (en) * 2008-08-19 2014-07-01 Qualcomm Incorporated Training sequences for very high throughput wireless communication
US8155138B2 (en) * 2008-08-19 2012-04-10 Qualcomm Incorporated Training sequences for very high throughput wireless communication
US20100290449A1 (en) * 2008-08-20 2010-11-18 Qualcomm Incorporated Preamble extensions
US20100046656A1 (en) * 2008-08-20 2010-02-25 Qualcomm Incorporated Preamble extensions
US8514975B2 (en) * 2008-08-21 2013-08-20 Lg Electronics Inc. Method and apparatus for transmitting reference signal in wireless communication system
JP4670934B2 (ja) 2008-10-10 2011-04-13 ソニー株式会社 無線通信システム、無線通信装置、無線通信方法およびコンピュータプログラム
CN101729477B (zh) * 2008-10-31 2015-02-25 三星电子株式会社 多载波无线传输系统中发射信号的方法
JP5251605B2 (ja) * 2009-03-02 2013-07-31 ソニー株式会社 通信装置、および利得制御方法
KR20170001719A (ko) 2009-03-31 2017-01-04 마벨 월드 트레이드 리미티드 무선 통신을 위한 사운딩 및 스티어링 프로토콜
CN102396186B (zh) * 2009-04-13 2014-12-10 马维尔国际贸易有限公司 用于wlan的物理层帧格式
TWI455626B (zh) * 2009-06-22 2014-10-01 Htc Corp 處理定位量測的方法
TW201105057A (en) * 2009-07-16 2011-02-01 Ralink Technology Corp Method and apparatus for generating training sequences in wireless communication system
US8385443B2 (en) 2009-07-17 2013-02-26 Qualcomm Incorporated Constructing very high throughput long training field sequences
US8917784B2 (en) 2009-07-17 2014-12-23 Qualcomm Incorporated Method and apparatus for constructing very high throughput long training field sequences
US9112741B2 (en) 2009-09-18 2015-08-18 Qualcomm Incorporated Protocol to support adaptive station-dependent channel state information feedback rate in multi-user communication systems
US8644368B1 (en) * 2009-09-23 2014-02-04 Marvell International Ltd. Transparent implicit beamforming in a communication system
KR20110036374A (ko) * 2009-10-01 2011-04-07 삼성전자주식회사 명시적 피드백을 사용하는 다중 입출력 통신 시스템
US8548385B2 (en) * 2009-12-16 2013-10-01 Intel Corporation Device, system and method of wireless communication via multiple antenna assemblies
US9173191B2 (en) 2009-12-20 2015-10-27 Intel Corporation Device, system and method of simultaneously communicating with a group of wireless communication devices
US8374154B2 (en) * 2009-12-23 2013-02-12 Intel Corporation Device, system and method of simultaneously communicating with a group of wireless communication devices
EP3444964B1 (en) 2010-01-29 2020-03-04 LG Electronics Inc. Method and apparatus of transmitting a spatial stream for mu - mimo in a wireless local area network system
US8873531B2 (en) 2010-05-03 2014-10-28 Intel Corporation Device, system and method of indicating station-specific information within a wireless communication
KR101923200B1 (ko) 2010-06-16 2018-11-29 마벨 월드 트레이드 리미티드 통신 네트워크에서 하향링크 다중 사용자 ｍｉｍｏ 구성을 위한 대안적인 피드백 방법 및 시스템
US8542659B2 (en) * 2010-07-07 2013-09-24 Marvell World Trade Ltd. Cyclic shift delays in multi-user packets with resolvable very high throughput long training fields (VHTLTFs)
CN103081420B (zh) * 2010-08-10 2016-06-08 马维尔国际贸易有限公司 对于下行链路多用户mimo配置的波束成形的子带反馈
US8908600B2 (en) 2010-10-26 2014-12-09 Qualcomm Incorporated Channel state information feedback frame format and feedback rules for very high throughput wireless systems
CN102468879B (zh) * 2010-10-29 2015-08-05 日电（中国）有限公司 用于无线通信系统的波束形成训练方法、设备和系统
US9130631B2 (en) 2010-11-03 2015-09-08 Qualcomm Incorporated Beamforming feedback format
US20120140842A1 (en) * 2010-12-06 2012-06-07 Qualcomm Incorporated Signaling to protect advanced receiver performance in wireless local area networks (lans)
CN102572915B (zh) * 2010-12-20 2016-02-03 上海贝尔股份有限公司 一种基于自适应双层波束赋型传输数据流的基站及方法
US9178578B2 (en) 2011-01-10 2015-11-03 Qualcomm Incorporated Master-slave architecture in a closed loop transmit diversity scheme
US8824402B2 (en) 2011-04-13 2014-09-02 Electronics And Telecommunications Research Institute Apparatus and method for transmitting/receiving data in communication system
CN102201891B (zh) * 2011-05-03 2015-07-22 中兴通讯股份有限公司 一种无线帧的发送方法和装置
CN103001682B (zh) 2011-09-14 2015-03-11 华为技术有限公司 一种数据反馈方法以及相关装置
CN103001744B (zh) * 2011-09-14 2017-06-27 中兴通讯股份有限公司 一种信道测量信息反馈方法及sta
ES2426321B1 (es) * 2011-09-16 2014-06-05 Telefónica, S.A. Método para implementar un modo de transmisión de múltiples entradas-múltiples salidas
US8625713B2 (en) * 2011-09-19 2014-01-07 Alcatel Lucent Method for beamforming transmissions from a network element having a plurality of antennas, and the network element
JP5682536B2 (ja) * 2011-10-24 2015-03-11 株式会社Ｊｖｃケンウッド 送信装置、受信装置、送信方法、受信方法
WO2013094219A1 (ja) * 2011-12-22 2013-06-27 京セラ株式会社 受信装置および受信方法
CN103378893A (zh) * 2012-04-28 2013-10-30 中兴通讯股份有限公司 开环数据发送的方法及装置
US9743303B2 (en) * 2012-08-10 2017-08-22 Intel Corporation Methods and arrangements for beamforming reports in wireless networks
CN102932959B (zh) * 2012-10-30 2015-09-23 福建星网锐捷网络有限公司 智分双频无线接入装置和方法、网络设备
US9173221B2 (en) 2013-01-23 2015-10-27 Intel Corporation Apparatus, system and method of establishing a wireless beamformed link
CN103260168A (zh) * 2013-04-22 2013-08-21 东南大学 一种适用于集中式无线局域网的空分干扰抑制方法
WO2015035578A1 (zh) 2013-09-11 2015-03-19 华为技术有限公司 配置信道状态信息参考信号的方法和基站
US9706415B2 (en) * 2013-10-31 2017-07-11 Aruba Networks, Inc. Method for RF management, frequency reuse and increasing overall system capacity using network-device-to-network-device channel estimation and standard beamforming techniques
US10097286B2 (en) * 2014-02-19 2018-10-09 Telefonaktiebolaget Lm Ericsson (Publ) Data transmission over a reduced number of physical antennas
US9124317B1 (en) * 2014-02-19 2015-09-01 Broadcom Corporation Supporting high dimensional MU-MIMO beamforming by sounding multiple frames with different sets of antenna patterns
US9537587B2 (en) * 2014-06-12 2017-01-03 Nec Corporation Efficient large-scale multiple input multiple output communications
EP3304765B1 (en) * 2015-06-08 2021-04-28 Marvell Asia Pte, Ltd. Explicit beamforming in a high efficiency wireless local area network
CN112671688B (zh) * 2015-07-23 2024-04-05 三星电子株式会社 发送方法和接收方法
WO2017151876A1 (en) 2016-03-03 2017-09-08 Idac Holdings, Inc. Methods and apparatus for beam control in beamformed systems
WO2017214988A1 (en) * 2016-06-17 2017-12-21 Lenovo Innovations Limited (Hong Kong) Apparatuses and methods for channel coefficient estimation
US9847802B1 (en) * 2016-08-16 2017-12-19 Xilinx, Inc. Reconfiguration of single-band transmit and receive paths to multi-band transmit and receive paths in an integrated circuit
CN108633068B (zh) 2017-03-23 2021-07-09 华为技术有限公司 一种资源配置方法及其装置
US20180368009A1 (en) * 2017-06-16 2018-12-20 Futurewei Technologies, Inc. System and Method for Triggering Beam Recovery
CN111466087B (zh) * 2017-09-27 2025-03-14 日本电气株式会社 用于处理和传输波束跟踪请求的方法和设备
CN109190605B (zh) * 2018-10-30 2020-05-15 宁波大学 一种基于csi的人体连续动作计数方法
CN111162825B (zh) 2018-11-07 2023-12-29 华为技术有限公司 信道状态信息的反馈方法及装置
JP7421343B2 (ja) 2020-01-09 2024-01-24 キヤノン株式会社 通信装置、通信装置の制御方法、およびプログラム
CN114978252A (zh) * 2021-02-25 2022-08-30 华为技术有限公司 基于循环移位分集的通信方法、装置及系统

Family Cites Families (68)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04356756A (ja) 1991-03-29 1992-12-10 Yamaha Corp ディスク再生装置
US5689439A (en) * 1995-03-31 1997-11-18 Lucent Technologies, Inc. Switched antenna diversity transmission method and system
FI103539B (fi) * 1996-07-03 1999-07-15 Nokia Telecommunications Oy Menetelmä samankanavasignaalien voimakkuuden määrittämiseksi ja vastaa notin
EP0931388B1 (en) 1996-08-29 2003-11-05 Cisco Technology, Inc. Spatio-temporal processing for communication
KR100555986B1 (ko) * 1999-05-19 2006-03-03 노키아 네트워크즈 오와이 전송 다이버시티 방법 및 시스템
JP2001168777A (ja) * 1999-12-06 2001-06-22 Matsushita Electric Ind Co Ltd 通信端末装置及び無線通信方法
US7200368B1 (en) * 2000-03-15 2007-04-03 Nokia Corporation Transmit diversity method and system
US7068628B2 (en) 2000-05-22 2006-06-27 At&T Corp. MIMO OFDM system
US7433416B1 (en) 2000-08-02 2008-10-07 Via Telecom Co., Ltd. Method and apparatus for generating transmit adaptive antenna weights with nulling using binary gradient feedback
US7110378B2 (en) 2000-10-03 2006-09-19 Wisconsin Alumni Research Foundation Channel aware optimal space-time signaling for wireless communication over wideband multipath channels
JP4067755B2 (ja) 2000-10-24 2008-03-26 三菱電機株式会社 スペクトラム拡散通信システムの受信機
US6771706B2 (en) 2001-03-23 2004-08-03 Qualcomm Incorporated Method and apparatus for utilizing channel state information in a wireless communication system
US6859503B2 (en) 2001-04-07 2005-02-22 Motorola, Inc. Method and system in a transceiver for controlling a multiple-input, multiple-output communications channel
US20030125040A1 (en) 2001-11-06 2003-07-03 Walton Jay R. Multiple-access multiple-input multiple-output (MIMO) communication system
US7181167B2 (en) 2001-11-21 2007-02-20 Texas Instruments Incorporated High data rate closed loop MIMO scheme combining transmit diversity and data multiplexing
US6687492B1 (en) 2002-03-01 2004-02-03 Cognio, Inc. System and method for antenna diversity using joint maximal ratio combining
EP1359684A1 (en) 2002-04-30 2003-11-05 Motorola Energy Systems Inc. Wireless transmission using an adaptive transmit antenna array
GB0212165D0 (en) 2002-05-27 2002-07-03 Nokia Corp A wireless system
JP3751265B2 (ja) * 2002-06-20 2006-03-01 松下電器産業株式会社 無線通信システムおよびスケジューリング方法
DE60325612D1 (de) * 2002-07-30 2009-02-12 Ipr Licensing Inc System und verfahren zur funkkommunikation mit mehreren eingängen und mehreren ausgängen (mimo)
KR100900970B1 (ko) 2002-10-19 2009-06-08 삼성전자주식회사 기지국/이동국 다중안테나를 포함하는 이동통신장치 및 방법
US6927728B2 (en) 2003-03-13 2005-08-09 Motorola, Inc. Method and apparatus for multi-antenna transmission
US7515939B2 (en) * 2003-10-01 2009-04-07 Broadcom Corporation System and method for channel-adaptive antenna selection
US8185075B2 (en) 2003-03-17 2012-05-22 Broadcom Corporation System and method for channel bonding in multiple antenna communication systems
US7983355B2 (en) 2003-07-09 2011-07-19 Broadcom Corporation System and method for RF signal combining and adaptive bit loading for data rate maximization in multi-antenna communication systems
US20040192218A1 (en) 2003-03-31 2004-09-30 Oprea Alexandru M. System and method for channel data transmission in wireless communication systems
US20040199056A1 (en) 2003-04-03 2004-10-07 International Business Machines Corporation Body monitoring using local area wireless interfaces
US7099678B2 (en) 2003-04-10 2006-08-29 Ipr Licensing, Inc. System and method for transmit weight computation for vector beamforming radio communication
KR100790092B1 (ko) 2003-08-18 2007-12-31 삼성전자주식회사 다중 사용자 다중 입력 다중 출력 방식을 사용하는 무선통신 시스템에서 자원 스케쥴링 장치 및 방법
US8369790B2 (en) 2003-12-30 2013-02-05 Intel Corporation Communication overhead reduction apparatus, systems, and methods
ATE427610T1 (de) 2004-02-05 2009-04-15 Zakrytoe Aktsionernoe Obschest Verfahren und vorrichtung zur durchfuhrung von kanalschatzung fur ein kommunikationssystem
US7295542B2 (en) 2004-03-04 2007-11-13 Sharp Laboratories Of America, Inc. System and method for beacon timing control in a mixed IEEE 802.11 network
KR20050089698A (ko) 2004-03-05 2005-09-08 삼성전자주식회사 어레이 안테나를 갖는 이동통신시스템에서 데이터 송/수신장치 및 방법
EP1585232B1 (en) 2004-04-08 2006-07-19 Mitsubishi Electric Information Technology Centre Europe B.V. Method for transmitting optimally diversified information in a MIMO telecomminication system
KR20050109789A (ko) 2004-05-17 2005-11-22 삼성전자주식회사 공간분할다중화/다중입력다중출력 시스템에서의 빔포밍 방법
EP1766789B1 (en) 2004-06-22 2019-02-27 Apple Inc. Methods and systems for enabling feedback in wireless communication networks
US7570696B2 (en) 2004-06-25 2009-08-04 Intel Corporation Multiple input multiple output multicarrier communication system and methods with quantized beamforming feedback
US7706324B2 (en) 2004-07-19 2010-04-27 Qualcomm Incorporated On-demand reverse-link pilot transmission
KR101026889B1 (ko) 2004-08-17 2011-04-04 엘지전자 주식회사 폐루프 ｓｔｃ를 위한 정보전달방법
US7508880B2 (en) 2004-08-17 2009-03-24 Samsung Electronics Co., Ltd. Apparatus and method for space-time-frequency block coding for increasing performance
US8504110B2 (en) 2004-09-10 2013-08-06 Interdigital Technology Corporation Method and apparatus for transferring smart antenna capability information
US7289770B2 (en) 2004-09-28 2007-10-30 Intel Corporation Compact feedback for closed loop MIMO
JP4669356B2 (ja) 2004-09-30 2011-04-13 キヤノン株式会社 画像形成装置
US7236748B2 (en) 2004-09-30 2007-06-26 Intel Corporation Closed loop feedback in MIMO systems
US8737189B2 (en) 2005-02-16 2014-05-27 Broadcom Corporation Method and system for compromise greenfield preambles for 802.11n
US7525988B2 (en) 2005-01-17 2009-04-28 Broadcom Corporation Method and system for rate selection algorithm to maximize throughput in closed loop multiple input multiple output (MIMO) wireless local area network (WLAN) system
US7848782B2 (en) 2005-02-02 2010-12-07 Interdigital Technology Corporation Method and apparatus for improving network resource planning in a wireless communication network
KR101208520B1 (ko) 2005-03-12 2012-12-05 엘지전자 주식회사 피드백 정보 통신 방법
JP4610388B2 (ja) * 2005-03-24 2011-01-12 三洋電機株式会社 無線装置
US8830846B2 (en) 2005-04-04 2014-09-09 Interdigital Technology Corporation Method and system for improving responsiveness in exchanging frames in a wireless local area network
US8483200B2 (en) 2005-04-07 2013-07-09 Interdigital Technology Corporation Method and apparatus for antenna mapping selection in MIMO-OFDM wireless networks
US7486720B2 (en) 2005-05-11 2009-02-03 Mitsubishi Electric Research Laboratories, Inc. Training frames for MIMO stations
KR101124932B1 (ko) * 2005-05-30 2012-03-28 삼성전자주식회사 어레이 안테나를 이용하는 이동 통신 시스템에서의 데이터송/수신 장치 및 방법
US8345732B2 (en) * 2005-06-28 2013-01-01 Broadcom Corporation Feedback of channel information in a closed loop beamforming wireless communication system
EP1905251A4 (en) 2005-07-15 2010-01-20 Mitsubishi Electric Res Lab ANTENNA SELECTION FOR MULTIPLE INPUT-OUTPUT SYSTEM
US8374096B2 (en) 2005-09-30 2013-02-12 Mitsubishi Electric Research Laboratories, Inc. Method for selecting antennas and beams in MIMO wireless LANs
KR20070108304A (ko) 2005-10-31 2007-11-09 삼성전자주식회사 다중 송수신 안테나 시스템에서의 채널 품질 정보 송수신방법 및 장치
US7917176B2 (en) 2006-02-14 2011-03-29 Nec Laboratories America, Inc. Structured codebook and successive beamforming for multiple-antenna systems
US7548729B2 (en) * 2005-11-14 2009-06-16 Intel Corporation Techniques enabling fast transmit rates and antenna adaptation for wireless networks based on explicit feedback
WO2007114804A1 (en) 2006-03-30 2007-10-11 Mitsubishi Electric Research Laboratories Antenna/beam selection training in mimo wireless lans with different sounding frames
US8200164B2 (en) 2005-12-01 2012-06-12 Intel Corporation Wireless communication system, associated methods and data structures
US20070189412A1 (en) 2006-02-15 2007-08-16 Samsung Electronics Co., Ltd. Method and system for sounding packet exchange in wireless communication systems
US7664200B2 (en) 2006-02-24 2010-02-16 Broadcom Corporation Method and system for minimizing effects of transmitter impairments in multiple input multiple output (MIMO) beamforming communication systems
US7720030B2 (en) * 2006-02-28 2010-05-18 Intel Corporation Techniques for explicit feedback delay measurement
JP4356756B2 (ja) 2006-04-27 2009-11-04 ソニー株式会社 無線通信システム、並びに無線通信装置及び無線通信方法
JP4924107B2 (ja) 2006-04-27 2012-04-25 ソニー株式会社 無線通信システム、並びに無線通信装置及び無線通信方法
JP4775288B2 (ja) 2006-04-27 2011-09-21 ソニー株式会社 無線通信システム、無線通信装置及び無線通信方法
JP4924106B2 (ja) 2006-04-27 2012-04-25 ソニー株式会社 無線通信システム、並びに無線通信装置及び無線通信方法

Also Published As

Publication number Publication date
CN103138812A (zh) 2013-06-05
JP2007318729A (ja) 2007-12-06
US8699405B2 (en) 2014-04-15
US20070253501A1 (en) 2007-11-01
US8194720B2 (en) 2012-06-05
US9344222B2 (en) 2016-05-17
US20130315330A1 (en) 2013-11-28
US20140219385A1 (en) 2014-08-07
CN103138812B (zh) 2016-06-08
CN101064544A (zh) 2007-10-31
CN101064544B (zh) 2013-03-06
US8744371B2 (en) 2014-06-03
US20130315177A1 (en) 2013-11-28
US8730904B2 (en) 2014-05-20
US20120213300A1 (en) 2012-08-23

Similar Documents

Publication Publication Date Title
JP4775288B2 (ja) 無線通信システム、無線通信装置及び無線通信方法
JP4924107B2 (ja) 無線通信システム、並びに無線通信装置及び無線通信方法
US8194720B2 (en) Wireless communication system, wireless communication apparatus and wireless communication method
JP2007318727A (ja) 無線通信システム、並びに無線通信装置及び無線通信方法

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20100226

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20100226

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20111018

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20111207

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20120110

A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20120123

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20150217

Year of fee payment: 3

R151 Written notification of patent or utility model registration

Ref document number: 4924106

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R151

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20150217

Year of fee payment: 3

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250