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 sinalInfo
- 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
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.
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)
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 |
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 |
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 |
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 |
US8379742B2 (en) * | 2008-02-01 | 2013-02-19 | 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 |
-
2012
- 2012-05-04 EP EP12876055.0A patent/EP2843985A4/en not_active Withdrawn
- 2012-05-04 BR BR112014027520A patent/BR112014027520A2/pt not_active IP Right Cessation
- 2012-05-04 WO PCT/CN2012/075101 patent/WO2013163817A1/zh active Application Filing
- 2012-05-04 CN CN201280000839.4A patent/CN103548372B/zh not_active Expired - Fee Related
-
2014
- 2014-11-04 US US14/532,701 patent/US9172452B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
EP2843985A1 (en) | 2015-03-04 |
EP2843985A4 (en) | 2015-06-03 |
WO2013163817A1 (zh) | 2013-11-07 |
US9172452B2 (en) | 2015-10-27 |
CN103548372B (zh) | 2018-02-06 |
US20150055693A1 (en) | 2015-02-26 |
CN103548372A (zh) | 2014-01-29 |
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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. |
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B08K | Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette] |