BR112014027520A2 - método para obtenção de relação de sinal de ruído, dispositivo de recepção de sinal e dispositivo de envio de sinal - Google Patents

método para obtenção de relação de sinal de ruído, dispositivo de recepção de sinal e dispositivo de envio de sinal

Info

Publication number
BR112014027520A2
BR112014027520A2 BR112014027520A BR112014027520A BR112014027520A2 BR 112014027520 A2 BR112014027520 A2 BR 112014027520A2 BR 112014027520 A BR112014027520 A BR 112014027520A BR 112014027520 A BR112014027520 A BR 112014027520A BR 112014027520 A2 BR112014027520 A2 BR 112014027520A2
Authority
BR
Brazil
Prior art keywords
signal
receiving device
obtaining
noise ratio
sending device
Prior art date
Application number
BR112014027520A
Other languages
English (en)
Inventor
Yang Jianbing
Cheng Xingqing
Zhi Xinwei
Wu Zuomin
Original Assignee
Huawei Tech 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 Huawei Tech Co Ltd filed Critical Huawei Tech Co Ltd
Publication of BR112014027520A2 publication Critical patent/BR112014027520A2/pt

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
    • H04B7/06—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
    • 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
    • H04L25/08—Modifications for reducing interference; Modifications for reducing effects due to line faults ; Receiver end arrangements for detecting or overcoming line faults
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/06—Testing, supervising or monitoring using simulated traffic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/08—Testing, supervising or monitoring using real traffic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
    • H04W52/241—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters taking into account channel quality metrics, e.g. SIR, SNR, CIR, Eb/lo
    • 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
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/16—Discovering, processing access restriction or access information

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Circuits Of Receivers In General (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Dc Digital Transmission (AREA)

Abstract

resumo método para obtenção de relação de sinal de ruído, dispositivo de recepção de sinal e dispositivo de envio de sinal modalidades da presente invenção fornecem um método de obtenção de uma relação de sinal de ruído, um dispositivo de recepção de sinal e um dispositivo de envio de sinais. através das modalidades da presente invenção, um snr de o dispositivo de recepção de sinal (isto é, uma extremidade receptora) pode satisfazer a exigência de ajuste, isto é, a condição de teste que uma snr não contém um ganho pré-codificado, de modo a que um teste subsequente é válido.
BR112014027520A 2012-05-04 2012-05-04 método para obtenção de relação de sinal de ruído, dispositivo de recepção de sinal e dispositivo de envio de sinal BR112014027520A2 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2012/075101 WO2013163817A1 (zh) 2012-05-04 2012-05-04 信噪比获取方法、信号接收设备以及信号发送设备

Publications (1)

Publication Number Publication Date
BR112014027520A2 true BR112014027520A2 (pt) 2017-06-27

Family

ID=49514195

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112014027520A BR112014027520A2 (pt) 2012-05-04 2012-05-04 método para obtenção de relação de sinal de ruído, dispositivo de recepção de sinal e dispositivo de envio de sinal

Country Status (5)

Country Link
US (1) US9172452B2 (pt)
EP (1) EP2843985A4 (pt)
CN (1) CN103548372B (pt)
BR (1) BR112014027520A2 (pt)
WO (1) WO2013163817A1 (pt)

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6456653B1 (en) * 1999-08-25 2002-09-24 Lucent Technologies Inc. Fast and accurate signal-to-noise ratio estimation technique for OFDM systems
US6611794B1 (en) * 2000-04-20 2003-08-26 Southwest Research Institute Signal amplitude restoration apparatus and method
CN101084637A (zh) * 2004-08-11 2007-12-05 美商内数位科技公司 正交频分多路复用(ofdm)无线通信系统中链结适应方法及系统
US20060034244A1 (en) * 2004-08-11 2006-02-16 Interdigital Technology Corporation Method and system for link adaptation in an orthogonal frequency division multiplexing (OFDM) wireless communication system
US20070140363A1 (en) * 2005-12-20 2007-06-21 Samsung Electronics Co., Ltd. Method of link adaptation in MIMO beamforming systems
CN101207600B (zh) * 2006-12-22 2010-08-25 华为技术有限公司 多发射天线的多输入多输出传输方法、系统及装置
WO2009096601A1 (en) * 2008-02-01 2009-08-06 Nec Corporation Estimating channel conditions in a mimo ofdm communication system
CN101388704B (zh) * 2008-10-16 2012-07-04 安徽创毅通信科技有限公司 一种单播和多播业务叠加时的传输方法及移动通信系统
US8233517B2 (en) * 2009-07-28 2012-07-31 Telefonaktiebolaget L M Ericsson (Publ) Pilot-based SINR estimation for MIMO systems
CN102098114B (zh) * 2009-12-14 2013-12-04 中兴通讯股份有限公司 一种测量系统信噪比的方法及装置
US8599708B2 (en) * 2010-01-14 2013-12-03 Qualcomm Incorporated Channel feedback based on reference signal
CN102413487B (zh) * 2011-11-24 2014-08-06 西安交通大学 一种LTE-A系统中针对Relay技术的性能评估系统

Also Published As

Publication number Publication date
CN103548372A (zh) 2014-01-29
EP2843985A4 (en) 2015-06-03
CN103548372B (zh) 2018-02-06
US20150055693A1 (en) 2015-02-26
US9172452B2 (en) 2015-10-27
WO2013163817A1 (zh) 2013-11-07
EP2843985A1 (en) 2015-03-04

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Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE A 5A ANUIDADE.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]