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FI20085161A0 - Signaalin käsittely elektronisessa laitteessa - Google Patents

Signaalin käsittely elektronisessa laitteessa

Info

Publication number
FI20085161A0
FI20085161A0 FI20085161A FI20085161A FI20085161A0 FI 20085161 A0 FI20085161 A0 FI 20085161A0 FI 20085161 A FI20085161 A FI 20085161A FI 20085161 A FI20085161 A FI 20085161A FI 20085161 A0 FI20085161 A0 FI 20085161A0
Authority
FI
Finland
Prior art keywords
electronic device
signal processing
signal
processing
electronic
Prior art date
Application number
FI20085161A
Other languages
English (en)
Swedish (sv)
Inventor
Kari Majonen
Original Assignee
Nokia Corp
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 Corp filed Critical Nokia Corp
Priority to FI20085161A priority Critical patent/FI20085161A0/fi
Publication of FI20085161A0 publication Critical patent/FI20085161A0/fi
Priority to US12/078,924 priority patent/US8014727B2/en
Priority to CN200980106181.3A priority patent/CN101953128B/zh
Priority to PCT/IB2009/000326 priority patent/WO2009104087A2/en
Priority to KR1020107021024A priority patent/KR101123222B1/ko
Priority to EP09712761.7A priority patent/EP2245811B1/en

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
    • H04B7/063—Parameters other than those covered in groups H04B7/0623 - H04B7/0634, e.g. channel matrix rank or transmit mode selection
    • 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
    • H04B7/0426—Power distribution
    • H04B7/0434—Power distribution using multiple eigenmodes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/20—Monitoring; Testing of receivers
    • H04B17/29—Performance testing
    • 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
    • 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
    • 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
    • H04L25/024—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
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signalling, i.e. of overhead other than pilot signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Quality & Reliability (AREA)
  • Electromagnetism (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
FI20085161A 2008-02-22 2008-02-22 Signaalin käsittely elektronisessa laitteessa FI20085161A0 (fi)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FI20085161A FI20085161A0 (fi) 2008-02-22 2008-02-22 Signaalin käsittely elektronisessa laitteessa
US12/078,924 US8014727B2 (en) 2008-02-22 2008-04-08 Signal processing in electronic apparatus
CN200980106181.3A CN101953128B (zh) 2008-02-22 2009-02-20 用于无线电信道秩评估的方法和装备
PCT/IB2009/000326 WO2009104087A2 (en) 2008-02-22 2009-02-20 Signal processing in electronic apparatus
KR1020107021024A KR101123222B1 (ko) 2008-02-22 2009-02-20 무선 채널 랭크 추정을 위한 방법 및 장치
EP09712761.7A EP2245811B1 (en) 2008-02-22 2009-02-20 Method and apparatus for radio channel rank estimation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI20085161A FI20085161A0 (fi) 2008-02-22 2008-02-22 Signaalin käsittely elektronisessa laitteessa

Publications (1)

Publication Number Publication Date
FI20085161A0 true FI20085161A0 (fi) 2008-02-22

Family

ID=39149031

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20085161A FI20085161A0 (fi) 2008-02-22 2008-02-22 Signaalin käsittely elektronisessa laitteessa

Country Status (6)

Country Link
US (1) US8014727B2 (fi)
EP (1) EP2245811B1 (fi)
KR (1) KR101123222B1 (fi)
CN (1) CN101953128B (fi)
FI (1) FI20085161A0 (fi)
WO (1) WO2009104087A2 (fi)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7733975B1 (en) * 2008-12-31 2010-06-08 Mediatek Inc. Method for estimating phase error in MIMO OFDM communications system
WO2010124456A1 (zh) * 2009-04-28 2010-11-04 华为技术有限公司 数据发送处理方法与装置、数据接收处理方法与装置
CN101877689B (zh) * 2009-04-28 2012-10-17 华为技术有限公司 数据发送处理方法与装置、数据接收处理方法与装置
EP2498413B1 (en) * 2009-11-04 2018-12-26 Alcatel Lucent Method and apparatus for processing downlink communication and assistant method and apparatus thereof
WO2014040611A1 (en) * 2012-09-11 2014-03-20 Rohde & Schwarz Gmbh & Co. Kg Method and device for determining the number of uncorrelated transmission channels in a mimo transmission system
US9979448B2 (en) * 2015-03-05 2018-05-22 Ntt Docomo, Inc. Radio communication control method and radio communication system
US20170033846A1 (en) * 2015-07-27 2017-02-02 Qualcomm Incorporated Estimating beamformed mimo channel properties from non-beamformed soundings
US10477412B2 (en) * 2017-10-27 2019-11-12 Hewlett Packard Enterprise Development Lp Determine channel plans
KR102612385B1 (ko) 2021-08-30 2023-12-27 광운대학교 산학협력단 다중 사용자 무선 백홀 네트워크를 위한 협력 통신 방법

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5761088A (en) * 1995-12-18 1998-06-02 Philips Electronics North America Corporation Method and apparatus for channel identification using incomplete or noisy information
US6792052B1 (en) * 2000-11-22 2004-09-14 Telefonaktiebolaget Lm Ericsson Joint least-square synchronization, channel estimation and noise estimation
JP2005184730A (ja) * 2003-12-24 2005-07-07 Sony Corp 無線通信システム、無線通信装置及び無線通信方法、並びにコンピュータ・プログラム
US7548592B2 (en) * 2004-07-02 2009-06-16 James Stuart Wight Multiple input, multiple output communications systems
US7483480B2 (en) * 2004-11-24 2009-01-27 Nokia Corporation FFT accelerated iterative MIMO equalizer receiver architecture
CN1909525A (zh) * 2005-08-05 2007-02-07 松下电器产业株式会社 多输入多输出系统的信道估计和检测方法
US8116267B2 (en) 2006-02-09 2012-02-14 Samsung Electronics Co., Ltd. Method and system for scheduling users based on user-determined ranks in a MIMO system
US8687561B2 (en) * 2007-05-04 2014-04-01 Motorola Mobility Llc Method and system for link adaptation using metric feedback
US7447276B1 (en) * 2007-08-29 2008-11-04 Harris Corporation Receiver and method for blind adaptive thresholding using noise estimator

Also Published As

Publication number Publication date
EP2245811A2 (en) 2010-11-03
US20090215399A1 (en) 2009-08-27
EP2245811B1 (en) 2017-07-19
US8014727B2 (en) 2011-09-06
CN101953128A (zh) 2011-01-19
CN101953128B (zh) 2013-05-01
WO2009104087A2 (en) 2009-08-27
KR101123222B1 (ko) 2012-03-20
KR20100119575A (ko) 2010-11-09
WO2009104087A3 (en) 2010-01-14

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