ATE385357T1 - Verfahren und system zum steuern einer kommunikationsverbindung - Google Patents

Verfahren und system zum steuern einer kommunikationsverbindung

Info

Publication number
ATE385357T1
ATE385357T1 AT03254879T AT03254879T ATE385357T1 AT E385357 T1 ATE385357 T1 AT E385357T1 AT 03254879 T AT03254879 T AT 03254879T AT 03254879 T AT03254879 T AT 03254879T AT E385357 T1 ATE385357 T1 AT E385357T1
Authority
AT
Austria
Prior art keywords
parameter
controlling
transmitter
receiver
group
Prior art date
Application number
AT03254879T
Other languages
English (en)
Inventor
Steven John Baines
Original Assignee
Nortel Networks Ltd
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 Nortel Networks Ltd filed Critical Nortel Networks Ltd
Application granted granted Critical
Publication of ATE385357T1 publication Critical patent/ATE385357T1/de

Links

Classifications

    • 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
    • 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
    • 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
    • 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
    • H04L1/0009—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
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0028—Formatting
    • H04L1/0029—Reduction of the amount of signalling, e.g. retention of useful signalling or differential signalling
    • 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)
  • Communication Control (AREA)
AT03254879T 2002-08-06 2003-08-05 Verfahren und system zum steuern einer kommunikationsverbindung ATE385357T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/213,729 US8179864B2 (en) 2002-08-06 2002-08-06 Method of controlling a communications link

Publications (1)

Publication Number Publication Date
ATE385357T1 true ATE385357T1 (de) 2008-02-15

Family

ID=30443709

Family Applications (1)

Application Number Title Priority Date Filing Date
AT03254879T ATE385357T1 (de) 2002-08-06 2003-08-05 Verfahren und system zum steuern einer kommunikationsverbindung

Country Status (5)

Country Link
US (5) US8179864B2 (de)
EP (1) EP1388966B1 (de)
AT (1) ATE385357T1 (de)
CA (1) CA2436646C (de)
DE (1) DE60318925T2 (de)

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WO2005062554A1 (en) * 2003-12-23 2005-07-07 Telefonaktiebolaget Lm Ericsson (Publ) Method and system for efficient routing in ad hoc networks
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KR100640514B1 (ko) * 2004-07-27 2006-10-30 삼성전자주식회사 다중 안테나를 사용하는 무선 통신 시스템에서 데이터스트림 전송 장치 및 방법
US7796705B2 (en) * 2004-10-15 2010-09-14 Aware, Inc. DMT symbol repetition in the presence of impulse noise
JP4457867B2 (ja) * 2004-11-25 2010-04-28 富士通株式会社 無線通信装置、移動局
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US7436901B2 (en) * 2005-04-19 2008-10-14 Telefonaktiebolaget Lm Ericsson (Publ) Selection of channel coding and multidimensional interleaving schemes for improved performance
CN101243625A (zh) * 2005-08-19 2008-08-13 松下电器产业株式会社 多载波通信系统、多载波通信装置和信道质量指标报告方法
US9136974B2 (en) * 2005-08-30 2015-09-15 Qualcomm Incorporated Precoding and SDMA support
US8520568B2 (en) * 2005-12-09 2013-08-27 Koninklijke Philips N.V. Multiple spatial channel transmission with rate control
US8077674B2 (en) * 2006-05-09 2011-12-13 Nec Corporation Mobile wireless communication system and method of carrying out handover in the system
US8514728B2 (en) * 2006-06-22 2013-08-20 Broadcom Corporation Methods and systems for estimating temporal correlation of a propagation channel
USD575334S1 (en) * 2006-08-30 2008-08-19 Verhouden Nicolasina Adriana C Scrapbook
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WO2008137430A1 (en) 2007-04-30 2008-11-13 Interdigital Technology Corporation Feedback signaling error detection and checking in mimo wireless communication systems
US11115957B2 (en) * 2007-12-27 2021-09-07 Hilco Patent Acquisition 55, Llc System and method for uplink resource reuse
CN110249561B (zh) * 2017-02-05 2022-05-27 Lg电子株式会社 在无线通信系统中确定调制和编码方案的方法及其装置
US12068798B2 (en) 2020-02-03 2024-08-20 Lg Electronics Inc. Transmission apparatus and method for transmitting signal in wireless AV system
KR20230053652A (ko) 2020-08-17 2023-04-21 삼성전자주식회사 Uwb 시스템을 구성하는 방법들 및 디바이스

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US8179864B2 (en) 2002-08-06 2012-05-15 Rockstar Bidco Lp Method of controlling a communications link

Also Published As

Publication number Publication date
US8971198B2 (en) 2015-03-03
US20150318953A1 (en) 2015-11-05
US20180041292A1 (en) 2018-02-08
US9800302B2 (en) 2017-10-24
EP1388966B1 (de) 2008-01-30
US20040027994A1 (en) 2004-02-12
CA2436646C (en) 2013-04-30
EP1388966A3 (de) 2006-10-04
DE60318925D1 (de) 2008-03-20
US8179864B2 (en) 2012-05-15
US9467249B2 (en) 2016-10-11
EP1388966A2 (de) 2004-02-11
US20120189039A1 (en) 2012-07-26
DE60318925T2 (de) 2009-02-19
US20170012682A1 (en) 2017-01-12
US10187166B2 (en) 2019-01-22
CA2436646A1 (en) 2004-02-06

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