ZA200803396B - Method to determine the number of data streams to be used in a mimo system - Google Patents

Method to determine the number of data streams to be used in a mimo system

Info

Publication number
ZA200803396B
ZA200803396B ZA200803396A ZA200803396A ZA200803396B ZA 200803396 B ZA200803396 B ZA 200803396B ZA 200803396 A ZA200803396 A ZA 200803396A ZA 200803396 A ZA200803396 A ZA 200803396A ZA 200803396 B ZA200803396 B ZA 200803396B
Authority
ZA
South Africa
Prior art keywords
data streams
mimo system
mimo
streams
data
Prior art date
Application number
ZA200803396A
Other languages
English (en)
Inventor
Haustein Thomas
Jungnickel Volker
Schulz Egon
Zirwas Wolfgang
Original Assignee
Nokia Siemens Networks Gmbh
Fraunhofer Ges Forschung
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 Nokia Siemens Networks Gmbh, Fraunhofer Ges Forschung filed Critical Nokia Siemens Networks Gmbh
Publication of ZA200803396B publication Critical patent/ZA200803396B/xx

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
    • H04B7/0413—MIMO systems
    • H04B7/0417—Feedback systems
    • 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
    • H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
    • H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
    • H04L1/0618—Space-time coding
    • H04L1/0631—Receiver arrangements
    • 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
    • H04B7/0634—Antenna weights or vector/matrix coefficients
    • 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
    • H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
    • H04L1/0003—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate by switching between different modulation schemes
    • 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
    • H04L1/0028—Formatting
    • 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
    • H04L1/0028—Formatting
    • H04L1/0031—Multiple signaling transmission
    • 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
    • H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
    • H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
    • H04L1/0618—Space-time coding
    • H04L1/0625—Transmitter arrangements
    • 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
    • H04L1/0025—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
    • H04L1/0001—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Radio Transmission System (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Mobile Radio Communication Systems (AREA)
ZA200803396A 2005-10-31 2008-04-16 Method to determine the number of data streams to be used in a mimo system ZA200803396B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP05023789A EP1780924A1 (en) 2005-10-31 2005-10-31 Method to determine the number of data streams to be used in a MIMO system

Publications (1)

Publication Number Publication Date
ZA200803396B true ZA200803396B (en) 2009-02-25

Family

ID=35713601

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA200803396A ZA200803396B (en) 2005-10-31 2008-04-16 Method to determine the number of data streams to be used in a mimo system

Country Status (11)

Country Link
US (1) US20090175320A1 (ko)
EP (1) EP1780924A1 (ko)
JP (1) JP2009514469A (ko)
KR (1) KR20080078813A (ko)
CN (1) CN101366221A (ko)
AU (1) AU2006310608A1 (ko)
BR (1) BRPI0618091A2 (ko)
CA (1) CA2627785A1 (ko)
RU (1) RU2008121979A (ko)
WO (1) WO2007051731A1 (ko)
ZA (1) ZA200803396B (ko)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006126655A1 (ja) * 2005-05-25 2006-11-30 Matsushita Electric Industrial Co., Ltd. 無線送信装置、無線受信装置及び無線送信方法
KR100735373B1 (ko) * 2006-02-06 2007-07-04 삼성전자주식회사 통신 시스템에서 데이터 전송 방법 및 시스템
US7957701B2 (en) * 2007-05-29 2011-06-07 Alcatel-Lucent Usa Inc. Closed-loop multiple-input-multiple-output scheme for wireless communication based on hierarchical feedback
US8068426B2 (en) * 2008-05-29 2011-11-29 Massachusetts Institute Of Technology Feedback-based online network coding
US8279781B2 (en) * 2008-08-28 2012-10-02 Massachusetts Institute Of Technology Random linear network coding for time division duplexing
US8619620B2 (en) 2008-09-16 2013-12-31 Qualcomm Incorporated Methods and systems for transmission mode selection in a multi channel communication system
CN101399641B (zh) * 2008-10-30 2011-04-27 西安电子科技大学 异步情况下的线性分散码协作方法
CN101557377B (zh) * 2009-02-27 2013-02-06 华为技术有限公司 预滤波系数计算和干扰抑制方法、装置和***
EP2548314B1 (en) * 2010-03-16 2019-06-19 Telefonaktiebolaget LM Ericsson (publ) Switching between open and closed loop multi-stream transmission
US10530574B2 (en) 2010-03-25 2020-01-07 Massachusetts Institute Of Technology Secure network coding for multi-description wireless transmission
EP2550806B1 (en) 2010-03-25 2019-05-15 Massachusetts Institute of Technology Secure network coding for multi-resolution wireless video streaming
US9294113B2 (en) 2011-07-05 2016-03-22 Massachusetts Institute Of Technology Energy-efficient time-stampless adaptive nonuniform sampling
CN102404088A (zh) * 2011-07-21 2012-04-04 京信通信***（中国）有限公司 基于线性离散码的多用户分集方法及装置
US9544126B2 (en) 2011-10-31 2017-01-10 Massachusetts Institute Of Technology Joint use of multi-packet reception and network coding for performance improvement
ES2884092T3 (es) 2011-11-05 2021-12-10 Massachusetts Inst Technology Método y aparato para una transmisión eficaz de información a múltiples nodos
US8780693B2 (en) 2011-11-08 2014-07-15 Massachusetts Institute Of Technology Coding approach for a robust and flexible communication protocol
TWI436616B (zh) 2011-12-29 2014-05-01 Ind Tech Res Inst 通道估計的裝置及其方法
US9537759B2 (en) 2012-01-31 2017-01-03 Massachusetts Institute Of Technology Multi-path data transfer using network coding
US9160687B2 (en) 2012-02-15 2015-10-13 Massachusetts Institute Of Technology Method and apparatus for performing finite memory network coding in an arbitrary network
US9369255B2 (en) 2012-10-18 2016-06-14 Massachusetts Institute Of Technology Method and apparatus for reducing feedback and enhancing message dissemination efficiency in a multicast network
US9369541B2 (en) 2013-03-14 2016-06-14 Massachusetts Institute Of Technology Method and apparatus for implementing distributed content caching in a content delivery network
EP2974096A4 (en) 2013-03-14 2016-11-09 Massachusetts Inst Technology METHOD AND APPARATUS FOR SECURE COMMUNICATION
US9607003B2 (en) 2013-03-14 2017-03-28 Massachusetts Institute Of Technology Network coded storage with multi-resolution codes
US9185529B2 (en) 2013-03-15 2015-11-10 Massachusetts Institute Of Technology Wireless reliability architecture and methods using network coding
US9019643B2 (en) 2013-03-15 2015-04-28 Massachusetts Institute Of Technology Method and apparatus to reduce access time in a data storage device using coded seeking
CN110710141B (zh) 2017-03-29 2022-05-31 麻省理工学院 针对基于滑动窗口网络编码的分组生成的***与技术
CN112385159A (zh) 2018-05-16 2021-02-19 网络编码代码有限责任公司 多路径编码装置及相关技术
CN113691353B (zh) * 2021-08-26 2022-08-02 南京大学 一种低复杂度的信号检测方法及***

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1255369A1 (en) * 2001-05-04 2002-11-06 TELEFONAKTIEBOLAGET LM ERICSSON (publ) Link adaptation for wireless MIMO transmission schemes
US7567621B2 (en) * 2004-07-21 2009-07-28 Qualcomm Incorporated Capacity based rank prediction for MIMO design
US9148256B2 (en) * 2004-07-21 2015-09-29 Qualcomm Incorporated Performance based rank prediction for MIMO design
US7283499B2 (en) * 2004-10-15 2007-10-16 Nokia Corporation Simplified practical rank and mechanism, and associated method, to adapt MIMO modulation in a multi-carrier system with feedback

Also Published As

Publication number Publication date
US20090175320A1 (en) 2009-07-09
AU2006310608A1 (en) 2007-05-10
JP2009514469A (ja) 2009-04-02
WO2007051731A1 (en) 2007-05-10
BRPI0618091A2 (pt) 2011-08-16
CN101366221A (zh) 2009-02-11
CA2627785A1 (en) 2007-05-10
RU2008121979A (ru) 2009-12-10
EP1780924A1 (en) 2007-05-02
KR20080078813A (ko) 2008-08-28
AU2006310608A8 (en) 2008-05-29

Similar Documents

Publication Publication Date Title
ZA200803396B (en) Method to determine the number of data streams to be used in a mimo system
EP1910976A4 (en) METHOD AND APPARATUS FOR PROVIDING A UNIFIED DRAFTING SYSTEM
GB2435659B (en) System for use in wells
GB0914480D0 (en) Method and system for searching for patterns in data
HK1103307A1 (en) Mesurement method using solar simulator
GB0519981D0 (en) Scheduling in a multicore architecture
GB2466784B (en) Criticality of data in a data logging system
EP2052436A4 (en) MULTIAXIAL ANTENNA AND APPLICATION METHOD IN EXTRACTION TOOLS
GB0703995D0 (en) Data centers
GB2472330B (en) Apparatus and methods relating to voting systems
EP1943740A4 (en) METHOD AND DEVICE FOR SENDING DATA
GB2435352B (en) Battery-securing structure with a jumper
GB0616870D0 (en) Improvements In Marine EM Exploration
EP1974335A4 (en) METHOD AND DEVICE OF COMPUTER TRAINING SYSTEM
GB2426721B (en) Bicycle simulation system
GB0705149D0 (en) Data compression method for use in downhole applications
EP2057757A4 (en) DATA TRANSMISSION METHOD IN A MULTI-ANTENNA SYSTEM
EP2046959A4 (en) POLYNUCLEOTIDES AND METHODS FOR IMPROVING SALINITY TOLERANCE IN PLANTS
EP2030183A4 (en) METHOD AND ARRANGEMENT IN A COMPUTER EXERCISE SYSTEM
EP2180604A4 (en) METHODS AND SYSTEMS FOR SELECTING THE NUMBER OF MIMO DATA STREAMS
GB2434727B (en) Data Conversion Method And Client-Server System
EP2024762A4 (en) ACQUISITION OF SEISMIC DATA
PT1987651T (pt) Método para otimizar o fluxo de dados entre um roteador e uma unidade multimédia
GB2442908B (en) Computer having dynamically-changeable instruction set in real time
EP1984743A4 (en) METHODS ASSOCIATED WITH GESTATION PERIODS