BRPI0921902A2 - método, aparelho e sistema para estimativa de canais - Google Patents

método, aparelho e sistema para estimativa de canais

Info

Publication number
BRPI0921902A2
BRPI0921902A2 BRPI0921902A BRPI0921902A BRPI0921902A2 BR PI0921902 A2 BRPI0921902 A2 BR PI0921902A2 BR PI0921902 A BRPI0921902 A BR PI0921902A BR PI0921902 A BRPI0921902 A BR PI0921902A BR PI0921902 A2 BRPI0921902 A2 BR PI0921902A2
Authority
BR
Brazil
Prior art keywords
channel estimation
estimation method
channel
estimation
Prior art date
Application number
BRPI0921902A
Other languages
English (en)
Inventor
Lei Wan
Mingyu Zhou
Xingqing Cheng
Yajun Zhao
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 BRPI0921902A2 publication Critical patent/BRPI0921902A2/pt
Publication of BRPI0921902B1 publication Critical patent/BRPI0921902B1/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • 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
    • H04L5/0032—Distributed allocation, i.e. involving a plurality of allocating devices, each making partial allocation
    • H04L5/0035—Resource allocation in a cooperative multipoint environment
    • 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
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/29—Control channels or signalling for resource management between an access point and the access point controlling device
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
    • H04J11/0023—Interference mitigation or co-ordination
    • 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
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A) or DMT

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)
BRPI0921902 2008-11-12 2009-11-12 método, aparelho e sistema para estimativa de canais BRPI0921902B1 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN2008102264687A CN101741420B (zh) 2008-11-12 2008-11-12 信道估计方法、装置及系统
PCT/CN2009/074915 WO2010054593A1 (zh) 2008-11-12 2009-11-12 信道估计方法、装置及系统

Publications (2)

Publication Number Publication Date
BRPI0921902A2 true BRPI0921902A2 (pt) 2015-12-29
BRPI0921902B1 BRPI0921902B1 (pt) 2019-12-03

Family

ID=42169643

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0921902 BRPI0921902B1 (pt) 2008-11-12 2009-11-12 método, aparelho e sistema para estimativa de canais

Country Status (6)

Country Link
US (6) US8260211B2 (pt)
EP (1) EP2341751A4 (pt)
CN (1) CN101741420B (pt)
AU (1) AU2009316087B2 (pt)
BR (1) BRPI0921902B1 (pt)
WO (1) WO2010054593A1 (pt)

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CN101741420B (zh) 2008-11-12 2013-08-07 华为技术有限公司 信道估计方法、装置及系统
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US8681651B2 (en) 2010-11-05 2014-03-25 Qualcomm Incorporated Reference signal reception and channel state information determination for multiple nodes in a wireless communication network
US8462613B2 (en) * 2010-12-09 2013-06-11 Hong Kong Applied Science and Technology Research Institute Company Limited Channel estimation for long term evolution (LTE) terminals
US8995400B2 (en) * 2011-02-11 2015-03-31 Qualcomm Incorporated Method and apparatus for enabling channel and interference estimations in macro/RRH system
US9008035B2 (en) 2011-09-29 2015-04-14 Futurewei Technologies, Inc. Wireless communication control channel systems and methods
US8971250B2 (en) 2011-10-29 2015-03-03 Ofinno Technologies, Llc Special subframe allocation
US11696300B2 (en) 2011-10-29 2023-07-04 Comcast Cable Communications, Llc Configuration of reduced transmission power time intervals based on traffic load
US8937918B2 (en) 2011-10-29 2015-01-20 Ofinno Technologies, Llc Efficient special subframe allocation
US20130142062A1 (en) * 2011-12-05 2013-06-06 Esmael Hejazi Dinan Channel State Information Feedback
US8873467B2 (en) 2011-12-05 2014-10-28 Ofinno Technologies, Llc Control channel detection
US8934436B2 (en) 2011-12-31 2015-01-13 Ofinno Technologies, L.L.C. Special subframe configuration in wireless networks
WO2015013923A1 (zh) 2013-07-31 2015-02-05 华为技术有限公司 数据帧的发送、接收方法和装置
CN104619027B (zh) 2013-11-01 2020-01-14 中兴通讯股份有限公司 一种发现信号处理方法和基站
US9787460B2 (en) 2015-07-16 2017-10-10 LGS Innovations LLC Self-interference channel estimation system and method
US10182439B2 (en) 2016-02-16 2019-01-15 Samsung Electronics Co., Ltd Method and apparatus for data-aided iterative channel estimation
US10243710B2 (en) * 2016-09-06 2019-03-26 Apple Inc. Spectral aggregation to generate a wideband channel estimation
CN109787672B (zh) * 2018-12-25 2022-10-11 西安电子科技大学 基于参数学习的大规模mimo格点偏移信道估计方法
US12634173B2 (en) * 2023-09-19 2026-05-19 Qualcomm Incorporated Channel estimation reference signals for pre-equalization

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ATE446623T1 (de) 1999-11-03 2009-11-15 Qualcomm Inc Synchronisierte pilotreferenzübertragung für ein drahtloses kommunikationssystem
EP1170897B1 (en) 2000-07-05 2020-01-15 Wi-Fi One Technologies International Limited Pilot pattern design for a STTD scheme in an OFDM system
US7643832B2 (en) * 2004-07-12 2010-01-05 Motorola, Inc. Method and apparatus for reference signal selection in a cellular system
CN101263679A (zh) 2005-08-12 2008-09-10 诺基亚公司 用于在多载波mimo系统中布置导频的方法、系统、装置和计算机程序产品
CN1960353B (zh) 2005-10-31 2011-11-09 华为技术有限公司 为复用业务数据设置参考信号的方法及其系统
US7711029B2 (en) 2005-12-02 2010-05-04 Telefonaktiebolaget Lm Ericsson (Publ) Hopping pilot pattern for telecommunications
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BRPI0717887B1 (pt) * 2006-11-01 2020-05-19 Qualcomm Inc método para construir um sinal de referência, equipamento que facilita aquisição de célula, método para realizar aquisição de célula, equipamento que facilita detecção de um sinal de referência para aquisição de célula e memória legível por computador
KR101265632B1 (ko) * 2006-12-12 2013-05-22 엘지전자 주식회사 참조 신호 전송, 참조 신호 전송 패턴 설정, 자원 블록설정 및 할당을 위한 방법 및 장치
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US8599705B2 (en) * 2008-02-01 2013-12-03 Qualcomm Incorporated Interference management based on enhanced pilot measurement reports
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US8811331B2 (en) * 2008-04-10 2014-08-19 Telefonaktiebolaget L M Ericsson (Publ) Pilot design using costas arrays
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CN101373999B (zh) * 2008-08-12 2013-01-16 中兴通讯股份有限公司 一种用于下行协作多点传输的导频传输方法
CN101741420B (zh) 2008-11-12 2013-08-07 华为技术有限公司 信道估计方法、装置及系统

Also Published As

Publication number Publication date
CN101741420A (zh) 2010-06-16
US20110312356A1 (en) 2011-12-22
EP2341751A4 (en) 2012-04-25
US20180035417A1 (en) 2018-02-01
US20110212738A1 (en) 2011-09-01
US9125199B2 (en) 2015-09-01
US20150333934A1 (en) 2015-11-19
AU2009316087B2 (en) 2013-08-15
US8260211B2 (en) 2012-09-04
US20120208577A1 (en) 2012-08-16
CN101741420B (zh) 2013-08-07
US20130279468A1 (en) 2013-10-24
US8483619B2 (en) 2013-07-09
AU2009316087A1 (en) 2010-05-20
EP2341751A1 (en) 2011-07-06
US10687328B2 (en) 2020-06-16
US8112105B2 (en) 2012-02-07
BRPI0921902B1 (pt) 2019-12-03
US9807761B2 (en) 2017-10-31
WO2010054593A1 (zh) 2010-05-20

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Legal Events

Date Code Title Description
B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 03/12/2019, OBSERVADAS AS CONDICOES LEGAIS. (CO) 10 (DEZ) ANOS CONTADOS A PARTIR DE 03/12/2019, OBSERVADAS AS CONDICOES LEGAIS