CN102017499B - 用于为2×2多入多出无线***中的最大似然检测预测信道质量指数值的方法和*** - Google Patents
用于为2×2多入多出无线***中的最大似然检测预测信道质量指数值的方法和*** Download PDFInfo
- Publication number
- CN102017499B CN102017499B CN2009801157623A CN200980115762A CN102017499B CN 102017499 B CN102017499 B CN 102017499B CN 2009801157623 A CN2009801157623 A CN 2009801157623A CN 200980115762 A CN200980115762 A CN 200980115762A CN 102017499 B CN102017499 B CN 102017499B
- Authority
- CN
- China
- Prior art keywords
- value
- channel
- mimo
- values
- spatial flow
- 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.)
- Expired - Fee Related
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
- H04L25/0204—Channel estimation of multiple channels
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/20—Monitoring; Testing of receivers
- H04B17/24—Monitoring; Testing of receivers with feedback of measurements to the transmitter
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/309—Measuring or estimating channel quality parameters
- H04B17/336—Signal-to-interference ratio [SIR] or carrier-to-interference ratio [CIR]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/373—Predicting channel quality or other radio frequency [RF] parameters
-
- 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
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
- H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
- H04B7/0842—Weighted combining
- H04B7/0848—Joint weighting
- H04B7/0854—Joint weighting using error minimizing algorithms, e.g. minimum mean squared error [MMSE], "cross-correlation" or matrix inversion
-
- 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
- H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
- H04L1/0025—Transmission of mode-switching indication
-
- 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
- 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
- H04L25/0248—Eigen-space methods
-
- 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
- H04L25/06—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection
- H04L25/067—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection providing soft decisions, i.e. decisions together with an estimate of reliability
-
- 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
- H04L1/0009—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the channel coding
-
- 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
- H04L1/0015—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy
- H04L1/0016—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy involving special memory structures, e.g. look-up tables
-
- 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
- H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
- H04L1/0026—Transmission of channel quality indication
-
- 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
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03006—Arrangements for removing intersymbol interference
- H04L2025/03777—Arrangements for removing intersymbol interference characterised by the signalling
- H04L2025/03802—Signalling on the reverse channel
-
- 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
- H04L25/0228—Channel estimation using sounding signals with direct estimation from sounding signals
-
- 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
- H04L25/03343—Arrangements at the transmitter end
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Quality & Reliability (AREA)
- Power Engineering (AREA)
- Electromagnetism (AREA)
- Mathematical Physics (AREA)
- Radio Transmission System (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
Claims (15)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US4801108P | 2008-04-25 | 2008-04-25 | |
US61/048,011 | 2008-04-25 | ||
PCT/US2009/041788 WO2009132336A1 (en) | 2008-04-25 | 2009-04-27 | Method and system for predicting channel quality index (cqi) values for maximum likelihood (ml) detection in a 2x2 multiple input multiple output (mimo) wireless system |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102017499A CN102017499A (zh) | 2011-04-13 |
CN102017499B true CN102017499B (zh) | 2013-10-16 |
Family
ID=41215010
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2009801157623A Expired - Fee Related CN102017499B (zh) | 2008-04-25 | 2009-04-27 | 用于为2×2多入多出无线***中的最大似然检测预测信道质量指数值的方法和*** |
Country Status (5)
Country | Link |
---|---|
US (1) | US8472543B2 (zh) |
EP (1) | EP2272194B1 (zh) |
CN (1) | CN102017499B (zh) |
HK (1) | HK1155866A1 (zh) |
WO (1) | WO2009132336A1 (zh) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5613894B2 (ja) * | 2008-08-11 | 2014-10-29 | 日本電産サンキョー株式会社 | 非接触icカードリーダ及びデータ読取方法 |
KR101571566B1 (ko) | 2008-08-11 | 2015-11-25 | 엘지전자 주식회사 | 무선 통신 시스템에서 제어신호 전송 방법 |
KR101597573B1 (ko) * | 2008-08-11 | 2016-02-25 | 엘지전자 주식회사 | 제어정보의 상향링크 전송 방법 |
KR20100019947A (ko) * | 2008-08-11 | 2010-02-19 | 엘지전자 주식회사 | 무선 통신 시스템에서 정보 전송 방법 |
KR101603338B1 (ko) * | 2008-08-11 | 2016-03-15 | 엘지전자 주식회사 | 무선 통신 시스템에서 정보 전송 방법 및 장치 |
US8341467B2 (en) * | 2008-08-13 | 2012-12-25 | Nec Laboratories America, Inc. | System and method for wireless transmission using hybrid ARQ based on average mutual information per bit |
US20100135172A1 (en) * | 2008-09-08 | 2010-06-03 | Qualcomm Incorporated | Method and apparatus for predicting channel quality indicator in a high speed downlink packet access system |
EP2332301B1 (de) * | 2008-09-26 | 2013-03-13 | Vodafone Holding GmbH | Verfahren und einrichtung zur quantisierung von likelihood-quotienten |
CN104218985B (zh) | 2008-11-14 | 2017-12-08 | Lg电子株式会社 | 用于在无线通信***中发送信号的方法和装置 |
EP2357735B1 (en) | 2008-11-14 | 2016-11-09 | LG Electronics Inc. | Method and apparatus for information transmission in wireless communication system |
KR20100091876A (ko) | 2009-02-11 | 2010-08-19 | 엘지전자 주식회사 | 다중안테나 전송을 위한 단말 동작 |
JP5296004B2 (ja) * | 2010-04-23 | 2013-09-25 | 株式会社エヌ・ティ・ティ・ドコモ | フィードバック情報送信方法、移動局装置及び基地局装置 |
CN113364556A (zh) * | 2012-03-02 | 2021-09-07 | 华为技术有限公司 | 信息传输方法和设备 |
US8879647B2 (en) * | 2012-04-26 | 2014-11-04 | Alcatel Lucent | Methods of allocating resources in a system and systems implementing the same |
US9148816B2 (en) | 2013-03-14 | 2015-09-29 | Qualcomm Incorporated | Dynamic rate control in WiFi systems |
US9503134B2 (en) * | 2014-04-11 | 2016-11-22 | Qualcomm Incorporated | Methods and apparatus for adapting transmitter configuration for efficient concurrent transmission and radar detection through adaptive self-interference cancellation |
US9379791B2 (en) * | 2014-08-01 | 2016-06-28 | Qualcomm Incorporated | Multiple input multiple output (MIMO) communication systems and methods for chip to chip and intrachip communication |
US9319113B2 (en) | 2014-09-19 | 2016-04-19 | Qualcomm Incorporated | Simplified multiple input multiple output (MIMO) communication schemes for interchip and intrachip communications |
CH710280A1 (de) * | 2014-10-24 | 2016-04-29 | Elesta Gmbh | Verfahren sowie Auswertegerät zur Auswertung von Signalen einer LED-Zustandsanzeige. |
CN109756310B (zh) * | 2017-11-02 | 2020-10-20 | 北京大学 | 一种lte-a***中cqi预测方法 |
CN111147892A (zh) * | 2018-11-02 | 2020-05-12 | 北京松果电子有限公司 | 用于视频传输的方法和装置,存储介质和电子设备 |
JP7447040B2 (ja) | 2021-03-10 | 2024-03-11 | 株式会社日立国際電気 | 無線伝送システム |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7103325B1 (en) * | 2002-04-05 | 2006-09-05 | Nortel Networks Limited | Adaptive modulation and coding |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7054376B1 (en) * | 1999-05-27 | 2006-05-30 | Infineon Technologies Ag | High data rate ethernet transport facility over digital subscriber lines |
US7773699B2 (en) * | 2001-10-17 | 2010-08-10 | Nortel Networks Limited | Method and apparatus for channel quality measurements |
US7184713B2 (en) * | 2002-06-20 | 2007-02-27 | Qualcomm, Incorporated | Rate control for multi-channel communication systems |
US8971461B2 (en) * | 2005-06-01 | 2015-03-03 | Qualcomm Incorporated | CQI and rank prediction for list sphere decoding and ML MIMO receivers |
TW200738020A (en) * | 2006-02-01 | 2007-10-01 | Lg Electronics Inc | A method of transmitting and receiving data using superpostion modulation in a wireless communication system |
KR101269201B1 (ko) * | 2006-06-30 | 2013-05-28 | 삼성전자주식회사 | 폐 루프 방식의 다중 안테나 시스템에서 데이터송/수신장치 및 방법 |
US7702029B2 (en) * | 2006-10-02 | 2010-04-20 | Freescale Semiconductor, Inc. | MIMO precoding enabling spatial multiplexing, power allocation and adaptive modulation and coding |
-
2009
- 2009-04-27 EP EP09735808.9A patent/EP2272194B1/en active Active
- 2009-04-27 CN CN2009801157623A patent/CN102017499B/zh not_active Expired - Fee Related
- 2009-04-27 US US12/430,286 patent/US8472543B2/en not_active Expired - Fee Related
- 2009-04-27 WO PCT/US2009/041788 patent/WO2009132336A1/en active Application Filing
-
2011
- 2011-09-20 HK HK11109892.7A patent/HK1155866A1/xx not_active IP Right Cessation
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7103325B1 (en) * | 2002-04-05 | 2006-09-05 | Nortel Networks Limited | Adaptive modulation and coding |
Also Published As
Publication number | Publication date |
---|---|
HK1155866A1 (en) | 2012-05-25 |
WO2009132336A1 (en) | 2009-10-29 |
EP2272194A4 (en) | 2014-07-02 |
CN102017499A (zh) | 2011-04-13 |
EP2272194A1 (en) | 2011-01-12 |
EP2272194B1 (en) | 2018-09-19 |
US20090268833A1 (en) | 2009-10-29 |
US8472543B2 (en) | 2013-06-25 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN102017499B (zh) | 用于为2×2多入多出无线***中的最大似然检测预测信道质量指数值的方法和*** | |
CN101536389B (zh) | Mimo-ofdm通信***和mimo-ofdm通信方法 | |
CN1316757C (zh) | 多输入多输出(mimo)通信***中用信道状态信息处理数据的方法和装置 | |
EP2520033B1 (en) | Method for selecting a precodlng matrix in a "multiple input multiple output" ("mimo") system | |
EP1867124B1 (en) | Systems and methods for beamforming and rate control in a multi-input multi-output communication systems | |
US7561632B1 (en) | Beamforming techniques for MIMO communication systems | |
EP2082512B1 (en) | Method for selecting transmission parameters for a data transmission and data transmission controller | |
US20090268834A1 (en) | Method and system for predicting channel quality index (cqi) values for maximum likelihood (ml) detection in a kxk multiple input multiple output (mimo) wireless system | |
CN101160749B (zh) | 在多输入多输出通信***中进行波束成形的***和方法 | |
CN101855833B (zh) | 用于空分多址和多输入/多输出无线通信***中的载波功率和干扰噪声估计的方法和装置 | |
CN102647219A (zh) | 发送装置及发送方法 | |
CN102647259B (zh) | 基于奇异值分解的多用户mimo***上行链路传输方法 | |
KR20070076642A (ko) | 폐루프 다중안테나 오에프디엠 시스템에서 직교공간멀티플렉싱을 위한 장치 및 방법 | |
KR20070092872A (ko) | 다중 입력 다중 출력 방식을 사용하는 통신 시스템에서신호 검파 장치 및 방법 | |
CN101345592B (zh) | 应用于mimo的自适应信号的检测器及检测方法 | |
CN101132208B (zh) | 通信装置及其sir估计方法 | |
CN102577163B (zh) | 空分复用***中的信号检测装置及方法 | |
CN1729634B (zh) | Tdd mimo***的信道估计和空间处理 | |
CN111917443A (zh) | 多输入多输出***信号发送和接收方法 | |
CN101848174A (zh) | 发射预处理方法和发射预处理信号的数据解调方法 | |
CN101577573B (zh) | 独立数据流控制方法及装置 | |
US20090074114A1 (en) | Method and System for Approximate Maximum Likelihood (ML) Detection in a Multiple Input Multiple Output (MIMO) Receiver | |
CN101594207A (zh) | 一种通过空时编码操作传输数据的方法和装置 | |
CN101958852B (zh) | 一种mimo***中mld接收机的cinr估计方法及装置 | |
Kongara et al. | Block-based performance measures for MIMO OFDM beamforming systems |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
REG | Reference to a national code |
Ref country code: HK Ref legal event code: DE Ref document number: 1155866 Country of ref document: HK |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
REG | Reference to a national code |
Ref country code: HK Ref legal event code: GR Ref document number: 1155866 Country of ref document: HK |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20170306 Address after: Singapore Singapore Patentee after: Avago Technologies Fiber IP Singapore Pte. Ltd. Address before: American California Patentee before: Zyray Wireless Inc. |
|
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131016 Termination date: 20180427 |