CN102882575A - 用于确定信道状态信息的方法和装置 - Google Patents
用于确定信道状态信息的方法和装置 Download PDFInfo
- Publication number
- CN102882575A CN102882575A CN2012102406148A CN201210240614A CN102882575A CN 102882575 A CN102882575 A CN 102882575A CN 2012102406148 A CN2012102406148 A CN 2012102406148A CN 201210240614 A CN201210240614 A CN 201210240614A CN 102882575 A CN102882575 A CN 102882575A
- Authority
- CN
- China
- Prior art keywords
- channel
- mutual information
- post
- sinr
- equalization
- 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.)
- Granted
Links
Images
Classifications
-
- 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
-
- 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
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
-
- 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
- H04L1/20—Arrangements for detecting or preventing errors in the information received using signal quality detector
-
- 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
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2647—Arrangements specific to the receiver only
-
- 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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Quality & Reliability (AREA)
- Power Engineering (AREA)
- Radio Transmission System (AREA)
Abstract
Description
Claims (13)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP11173714.4 | 2011-07-13 | ||
EP11173714A EP2547022A1 (en) | 2011-07-13 | 2011-07-13 | Method and apparatus for determining channel state information |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102882575A true CN102882575A (zh) | 2013-01-16 |
CN102882575B CN102882575B (zh) | 2015-09-02 |
Family
ID=44582206
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201210240614.8A Expired - Fee Related CN102882575B (zh) | 2011-07-13 | 2012-07-12 | 用于确定信道状态信息的方法和装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US8731038B2 (zh) |
EP (1) | EP2547022A1 (zh) |
CN (1) | CN102882575B (zh) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105337907A (zh) * | 2014-07-25 | 2016-02-17 | 华为技术有限公司 | 一种获取信道状态信息的方法和装置 |
CN105407063A (zh) * | 2014-09-10 | 2016-03-16 | 三星电子株式会社 | 用于减轻无线通信系统中的干扰的装置和方法 |
CN105659509A (zh) * | 2013-12-29 | 2016-06-08 | Lg电子株式会社 | 在无线通信系统中反馈信道质量指示符的方法及其设备 |
CN111656742A (zh) * | 2018-01-25 | 2020-09-11 | 华为技术有限公司 | 一种信道估计方法和装置 |
CN111713027A (zh) * | 2018-02-12 | 2020-09-25 | 中兴通讯股份有限公司 | 使用多个天线的信号传输与接收 |
CN111786704A (zh) * | 2020-06-03 | 2020-10-16 | Oppo广东移动通信有限公司 | 一种cri选择方法、装置、用户设备及存储介质 |
CN113709813A (zh) * | 2021-09-03 | 2021-11-26 | 上海中兴易联通讯股份有限公司 | 一种用于nr小基站基带合并的方法和系统 |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013083833A1 (en) * | 2011-12-09 | 2013-06-13 | St-Ericsson Sa | Frequency offset estimation in communication devices |
ES2687128T3 (es) * | 2012-02-29 | 2018-10-23 | Huawei Technologies Co., Ltd. | Método, dispositivo y sistema para la estimación del desplazamiento de frecuencia y la estimación del canal |
CN105052046A (zh) * | 2013-04-26 | 2015-11-11 | 英特尔Ip公司 | 无线传输预编码 |
WO2015023218A1 (en) * | 2013-08-12 | 2015-02-19 | Telefonaktiebolaget L M Ericsson (Publ) | Methods and devices for determining link adaptation parameters |
WO2015022170A1 (en) * | 2013-08-15 | 2015-02-19 | Sony Corporation | Transmitting apparatus and method for a mimo broadcast system |
DE102013110287B3 (de) * | 2013-09-18 | 2014-10-16 | Intel IP Corporation | Verfahren und Mobilvorrichtung für die Kanalqualitätsschätzung für nichtlineare MIMO-Empfänger |
CN105706381B (zh) * | 2013-10-30 | 2018-09-07 | Lg电子株式会社 | 用于发送信道质量指示符反馈的方法和用户设备 |
US10225813B2 (en) * | 2014-01-29 | 2019-03-05 | Intel IP Corporation | Information processing in mobile devices |
WO2015170857A1 (ko) * | 2014-05-06 | 2015-11-12 | 엘지전자 주식회사 | 공분산 행렬을 적응적으로 이용하여 그룹 단위의 전처리 필터를 공유하는 mimo 수신기의 복잡도를 낮추는 방법 |
DE102014111735A1 (de) * | 2014-08-18 | 2016-02-18 | Intel IP Corporation | Funkkommunikationseinrichtungen und Verfahren zum Steuern einer Funkkommunikationseinrichtung |
US9755767B2 (en) * | 2014-10-31 | 2017-09-05 | Qualcomm Incorporated | Mechanism to measure, report, and allocate a highest possible rank for each cell in a carrier aggregation (CA) mode receiver-limited user equipment (UE) |
DE102014118600A1 (de) * | 2014-12-15 | 2016-06-16 | Intel IP Corporation | Verfahren und Vorrichtung zur Bestimmung von gegenseitigen Informationen |
CN106411474B (zh) * | 2015-07-31 | 2019-03-19 | 展讯通信(上海)有限公司 | 信道ri获取方法及装置 |
CN106301741B (zh) * | 2016-08-24 | 2019-03-12 | 上海交通大学 | 一种基于信道频选特性的时频资源分配方法 |
US10397933B1 (en) | 2017-01-10 | 2019-08-27 | Marvell International Ltd. | Interference cancellation for receivers with multiple antennas |
KR102356971B1 (ko) | 2017-10-18 | 2022-01-28 | 삼성전자주식회사 | 반송파 집성을 이용한 데이터 전송을 위한 방법 및 그 전자 장치 |
US10574312B2 (en) | 2018-02-13 | 2020-02-25 | Nxp Usa, Inc. | Apparatus and methods for interference cancellation in multi-antenna receivers |
US10804945B1 (en) * | 2018-06-29 | 2020-10-13 | Nxp Usa, Inc. | Apparatus and methods of dynamic interference cancellation for wireless receivers |
US10574368B2 (en) | 2018-06-29 | 2020-02-25 | Intel Corporation | Devices and methods for determining channel quality indicator for higher resource allocation |
EP3621212A1 (en) * | 2018-09-10 | 2020-03-11 | Intel Corporation | Techniques for acquisition of channel state information |
FI20215318A1 (fi) * | 2021-03-22 | 2022-09-23 | Nokia Technologies Oy | Tiedonsiirron parantaminen langattomassa viestinnässä |
CN114204972B (zh) * | 2022-02-18 | 2022-06-07 | 上海擎昆信息科技有限公司 | 一种秩指示和预编码矩阵索引的计算方法、接收端设备 |
CN114710382B (zh) * | 2022-06-07 | 2022-08-26 | 四川创智联恒科技有限公司 | 一种时分双工多天线系统的干扰消除方法 |
CN115276908B (zh) * | 2022-07-25 | 2023-09-22 | 哲库科技(北京)有限公司 | 一种无线通信方法及设备、存储介质 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20090274074A1 (en) * | 2006-06-16 | 2009-11-05 | Telefonaktiebolaget L M Ericsson (Publ) | Method for Channel Quality Measures in a Multiple Antenna System |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20070071147A1 (en) * | 2005-06-16 | 2007-03-29 | Hemanth Sampath | Pseudo eigen-beamforming with dynamic beam selection |
KR100986938B1 (ko) * | 2007-04-26 | 2010-10-12 | 재단법인서울대학교산학협력재단 | 다중 입력 다중 출력 시스템의 부분 적응 송신 장치 및 방법 |
JPWO2008149533A1 (ja) * | 2007-05-31 | 2010-08-19 | パナソニック株式会社 | 無線通信移動局装置およびcddモード判定方法 |
US8798183B2 (en) * | 2007-08-13 | 2014-08-05 | Qualcomm Incorporated | Feedback and rate adaptation for MIMO transmission in a time division duplexed (TDD) communication system |
CN102084683B (zh) * | 2008-03-12 | 2016-09-28 | 松下电器(美国)知识产权公司 | 无线通信装置、无线通信系统以及无线通信方法 |
JP5361872B2 (ja) * | 2008-04-18 | 2013-12-04 | パナソニック株式会社 | 無線受信装置、無線送信装置及びフィードバック方法 |
US9030992B2 (en) * | 2009-03-04 | 2015-05-12 | Centre Of Excellence In Wireless Technology | Pilot aided data transmission and reception with interference mitigation in wireless systems |
KR20100138260A (ko) * | 2009-06-24 | 2010-12-31 | 주식회사 팬택 | 무선통신 시스템에서 전력 할당방법 및 그 장치, 이를 적용한 송수신장치 신호전송 |
US9083408B2 (en) * | 2010-08-31 | 2015-07-14 | Qualcomm Incorporated | Implicit and explicit channel sounding for beamforming |
JP5747497B2 (ja) * | 2010-12-20 | 2015-07-15 | 住友電気工業株式会社 | 光データリンク |
-
2011
- 2011-07-13 EP EP11173714A patent/EP2547022A1/en not_active Withdrawn
-
2012
- 2012-07-09 US US13/543,997 patent/US8731038B2/en not_active Expired - Fee Related
- 2012-07-12 CN CN201210240614.8A patent/CN102882575B/zh not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20090274074A1 (en) * | 2006-06-16 | 2009-11-05 | Telefonaktiebolaget L M Ericsson (Publ) | Method for Channel Quality Measures in a Multiple Antenna System |
Non-Patent Citations (1)
Title |
---|
ZIJIAN BAI等: ""Dynamic transmission mode selection in LTE/LTE-Advanced system"", 《2010 3RD INTERNATIONAL SYMPOSIUM ON APPLIED SCIENCE IN BIOMEDICAL AND COMMUNICATION TECHNOLOGIES(ISABEL2010)》 * |
Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105659509A (zh) * | 2013-12-29 | 2016-06-08 | Lg电子株式会社 | 在无线通信系统中反馈信道质量指示符的方法及其设备 |
US10079632B2 (en) | 2013-12-29 | 2018-09-18 | Lg Electronics Inc. | Method for feeding back channel quality indicator in wireless communication system and apparatus therefor |
CN105659509B (zh) * | 2013-12-29 | 2019-02-19 | Lg 电子株式会社 | 在无线通信系统中反馈信道质量指示符的方法及其设备 |
CN105337907B (zh) * | 2014-07-25 | 2019-02-26 | 华为技术有限公司 | 一种获取信道状态信息的方法和装置 |
CN105337907A (zh) * | 2014-07-25 | 2016-02-17 | 华为技术有限公司 | 一种获取信道状态信息的方法和装置 |
CN105407063B (zh) * | 2014-09-10 | 2020-09-08 | 三星电子株式会社 | 用于减轻无线通信系统中的干扰的装置和方法 |
CN105407063A (zh) * | 2014-09-10 | 2016-03-16 | 三星电子株式会社 | 用于减轻无线通信系统中的干扰的装置和方法 |
CN111656742A (zh) * | 2018-01-25 | 2020-09-11 | 华为技术有限公司 | 一种信道估计方法和装置 |
US11139869B2 (en) | 2018-01-25 | 2021-10-05 | Huawei Technologies Co., Ltd. | Channel estimation method and apparatus |
CN111656742B (zh) * | 2018-01-25 | 2022-02-25 | 华为技术有限公司 | 一种信道估计方法和装置 |
US11658709B2 (en) | 2018-01-25 | 2023-05-23 | Huawei Technologies Co., Ltd. | Channel estimation method and apparatus |
US11929801B2 (en) | 2018-01-25 | 2024-03-12 | Huawei Technologies Co., Ltd. | Channel estimation method and apparatus |
CN111713027A (zh) * | 2018-02-12 | 2020-09-25 | 中兴通讯股份有限公司 | 使用多个天线的信号传输与接收 |
CN111786704A (zh) * | 2020-06-03 | 2020-10-16 | Oppo广东移动通信有限公司 | 一种cri选择方法、装置、用户设备及存储介质 |
CN113709813A (zh) * | 2021-09-03 | 2021-11-26 | 上海中兴易联通讯股份有限公司 | 一种用于nr小基站基带合并的方法和系统 |
Also Published As
Publication number | Publication date |
---|---|
CN102882575B (zh) | 2015-09-02 |
US8731038B2 (en) | 2014-05-20 |
EP2547022A1 (en) | 2013-01-16 |
US20130016767A1 (en) | 2013-01-17 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN102882575B (zh) | 用于确定信道状态信息的方法和装置 | |
RU2404511C2 (ru) | Система ofdm mimo с управляемой диаграммой направленности сниженной сложности | |
CN102447656B (zh) | 用于处理被接收ofdm数据符号的方法和ofdm基带接收器 | |
Duplicy et al. | Mu-mimo in lte systems | |
CA2351140C (en) | Adaptive time diversity and spatial diversity for ofdm | |
US8144797B2 (en) | CQI table for wireless MIMO networks | |
US8462613B2 (en) | Channel estimation for long term evolution (LTE) terminals | |
EP1772975B1 (en) | Method and apparatus for detecting signal in a mimo communication system | |
JP5353890B2 (ja) | Mimo−ofdm通信システムにおけるチャネル状態の推定 | |
CN101854186B (zh) | 用于数据传输的预编/解码方法和系统 | |
US8416873B2 (en) | MMSE demodulation in a multi-user MIMO system | |
CN104135338A (zh) | 无线终端装置以及在无线通信终端装置执行的映射方法 | |
CN103095359B (zh) | 用于检测预编码的信号的接收器和方法 | |
CN106612135B (zh) | 基于多载波空间调制的信号发送方法、接收方法和装置 | |
CN104702543A (zh) | 预编码方法及装置 | |
JP2016523051A (ja) | 信号補償のための多入力多出力直交周波数分割多重通信のシステムおよび方法 | |
US9300374B2 (en) | Communications terminal, apparatus, and method for detecting rank indication | |
KR101043698B1 (ko) | 공간다중화 시스템에서 신호검출 장치 및 방법 | |
CN103780528A (zh) | 通信系统及其信号发送方法与装置、信号接收方法与装置 | |
US20120142399A1 (en) | Radio base station apparatus and modulation/coding scheme selecting method | |
Bai et al. | Receiver performance-complexity tradeoff in LTE MU-MIMO transmission | |
Maaref et al. | Optimized rate-adaptive PSAM for MIMO MRC systems with transmit and receive CSI imperfections | |
WO2015081108A1 (en) | System and method for a scale-invariant symbol demodulator | |
Islam et al. | Performance Analysis of MIMO-OFDM System Using Singular Value Decomposition and Water Filling Algorithm | |
CN103780529A (zh) | 通信系统及其信号发送方法与装置、信号接收方法与装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C41 | Transfer of patent application or patent right or utility model | ||
C56 | Change in the name or address of the patentee | ||
CP01 | Change in the name or title of a patent holder |
Address after: Neubiberg, Germany Patentee after: Intel Mobile Communications GmbH Address before: Neubiberg, Germany Patentee before: Intel Mobile Communications GmbH |
|
TR01 | Transfer of patent right |
Effective date of registration: 20161011 Address after: Neubiberg, Germany Patentee after: Intel Mobile Communications GmbH Address before: Dresden, Germany Patentee before: Intel Mobile Communications Technology Dresden GmbH |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150902 Termination date: 20170712 |
|
CF01 | Termination of patent right due to non-payment of annual fee |