HK1147610A1 - Method and apparatus for estimating a channel quality - Google Patents

Method and apparatus for estimating a channel quality

Info

Publication number
HK1147610A1
HK1147610A1 HK11101352.7A HK11101352A HK1147610A1 HK 1147610 A1 HK1147610 A1 HK 1147610A1 HK 11101352 A HK11101352 A HK 11101352A HK 1147610 A1 HK1147610 A1 HK 1147610A1
Authority
HK
Hong Kong
Prior art keywords
estimating
channel quality
channel
quality
Prior art date
Application number
HK11101352.7A
Other languages
English (en)
Chinese (zh)
Inventor
Ralf Wiedmann
Bernhard Raaf
Original Assignee
Siemens Ag
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=32115239&utm_source=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=HK1147610(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Siemens Ag filed Critical Siemens Ag
Publication of HK1147610A1 publication Critical patent/HK1147610A1/xx

Links

Classifications

    • 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
    • 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
    • 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
    • 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
    • H04B7/0652—Feedback error handling
    • 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
    • H04B7/0667—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 delayed versions of same signal
    • H04B7/0669—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 delayed versions of same signal using different channel coding between antennas
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
HK11101352.7A 2002-11-05 2011-02-11 Method and apparatus for estimating a channel quality HK1147610A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2002151479 DE10251479A1 (de) 2002-11-05 2002-11-05 Verfahren zur Schätzung einer Kanalqualität

Publications (1)

Publication Number Publication Date
HK1147610A1 true HK1147610A1 (en) 2011-08-12

Family

ID=32115239

Family Applications (1)

Application Number Title Priority Date Filing Date
HK11101352.7A HK1147610A1 (en) 2002-11-05 2011-02-11 Method and apparatus for estimating a channel quality

Country Status (7)

Country Link
EP (1) EP1559218B1 (xx)
CN (2) CN101800610B (xx)
AU (1) AU2003280383A1 (xx)
DE (2) DE10251479A1 (xx)
HK (1) HK1147610A1 (xx)
TW (1) TWI246278B (xx)
WO (1) WO2004042970A1 (xx)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5288798B2 (ja) * 2004-08-17 2013-09-11 エルジー エレクトロニクス インコーポレイティド 無線通信システムで高速フィードバックチャネルを設定して情報を伝送する方法
EP1911168A4 (en) * 2005-07-26 2014-10-22 Nec Corp METHOD OF MEASURING CHANNEL QUALITY IN A COMMUNICATION SYSTEM WITH SENDEDIVERSITY WITH CLOSED LOOP
US8619884B2 (en) 2005-09-02 2013-12-31 Qualcomm Incorporated Communication channel estimation
CN101478364B (zh) * 2008-01-02 2014-03-12 ***通信集团上海有限公司 用于wcdma网络高速下行分组接入的自适应调制编码方法
DE102009043439A1 (de) * 2009-09-29 2011-03-31 Rohde & Schwarz Gmbh & Co. Kg Vorrichtung und Verfahren zur Messung der Kanalqualitäts-Rückmeldungen von Mobilstationen
TWI427982B (zh) * 2010-10-01 2014-02-21 Realtek Semiconductor Corp 通道品質判斷電路與其相關方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6067324A (en) * 1998-06-30 2000-05-23 Motorola, Inc. Method and system for transmitting and demodulating a communications signal using an adaptive antenna array in a wireless communication system
AU2000238190A1 (en) * 2000-04-07 2001-10-23 Nokia Corporation Multi-antenna transmission method and system
KR100493150B1 (ko) * 2000-04-10 2005-06-02 삼성전자주식회사 이동통신을 위한 폐루프 전송 다이버시티의 최적 가중치탐색장치 및 방법
JP2001333002A (ja) * 2000-05-24 2001-11-30 Ntt Docomo Inc 移動通信システムにおける送信アンテナウェイト推定方法および移動通信端末

Also Published As

Publication number Publication date
CN1708928B (zh) 2012-05-23
CN101800610A (zh) 2010-08-11
EP1559218A1 (de) 2005-08-03
DE10251479A1 (de) 2004-05-19
AU2003280383A1 (en) 2004-06-07
WO2004042970A1 (de) 2004-05-21
CN101800610B (zh) 2015-04-01
DE50307393D1 (de) 2007-07-12
TWI246278B (en) 2005-12-21
CN1708928A (zh) 2005-12-14
EP1559218B1 (de) 2007-05-30
TW200412757A (en) 2004-07-16

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Legal Events

Date Code Title Description
PE Patent expired

Effective date: 20231014