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DE60323047D1 - Verfahren und Vorrichtung zur Verbindungsanpassung - Google Patents

Verfahren und Vorrichtung zur Verbindungsanpassung

Info

Publication number
DE60323047D1
DE60323047D1 DE60323047T DE60323047T DE60323047D1 DE 60323047 D1 DE60323047 D1 DE 60323047D1 DE 60323047 T DE60323047 T DE 60323047T DE 60323047 T DE60323047 T DE 60323047T DE 60323047 D1 DE60323047 D1 DE 60323047D1
Authority
DE
Germany
Prior art keywords
link quality
link
reporting interval
quality measure
physical layer
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
Application number
DE60323047T
Other languages
English (en)
Inventor
Peter Malm
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Application granted granted Critical
Publication of DE60323047D1 publication Critical patent/DE60323047D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0033—Systems modifying transmission characteristics according to link quality, e.g. power backoff arrangements specific to the transmitter
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/20—Monitoring; Testing of receivers
    • H04B17/21—Monitoring; Testing of receivers for calibration; for correcting measurements
    • 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
    • H04L1/20—Arrangements for detecting or preventing errors in the information received using signal quality detector
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
    • 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
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/06—TPC algorithms
    • H04W52/16—Deriving transmission power values from another channel
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/22—TPC being performed according to specific parameters taking into account previous information or commands
    • H04W52/223—TPC being performed according to specific parameters taking into account previous information or commands predicting future states of the transmission
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
    • H04W52/241—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters taking into account channel quality metrics, e.g. SIR, SNR, CIR or Eb/lo

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)
  • Small-Scale Networks (AREA)
DE60323047T 2003-03-21 2003-03-21 Verfahren und Vorrichtung zur Verbindungsanpassung Expired - Fee Related DE60323047D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP03006418A EP1460789B1 (de) 2003-03-21 2003-03-21 Verfahren und Vorrichtung zur Verbindungsanpassung

Publications (1)

Publication Number Publication Date
DE60323047D1 true DE60323047D1 (de) 2008-10-02

Family

ID=32798856

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60323047T Expired - Fee Related DE60323047D1 (de) 2003-03-21 2003-03-21 Verfahren und Vorrichtung zur Verbindungsanpassung

Country Status (4)

Country Link
US (1) US20070026803A1 (de)
EP (1) EP1460789B1 (de)
AT (1) ATE406010T1 (de)
DE (1) DE60323047D1 (de)

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US7218948B2 (en) * 2003-02-24 2007-05-15 Qualcomm Incorporated Method of transmitting pilot tones in a multi-sector cell, including null pilot tones, for generating channel quality indicators
US9661519B2 (en) 2003-02-24 2017-05-23 Qualcomm Incorporated Efficient reporting of information in a wireless communication system
US8811348B2 (en) * 2003-02-24 2014-08-19 Qualcomm Incorporated Methods and apparatus for generating, communicating, and/or using information relating to self-noise
US9544860B2 (en) * 2003-02-24 2017-01-10 Qualcomm Incorporated Pilot signals for use in multi-sector cells
US8018902B2 (en) * 2003-06-06 2011-09-13 Telefonaktiebolaget L M Ericsson (Publ) Methods and apparatus for channel quality indicator determination
MXPA05013911A (es) * 2003-06-26 2006-02-24 Interdigital Tech Corp Metodo para generar un indicador de calidad de canal mediante la polarizacion de la proporcion de senal a inaterferencia.
JP4069034B2 (ja) * 2003-07-31 2008-03-26 松下電器産業株式会社 無線送信装置、無線受信装置、無線通信システム、無線送信方法及び無線受信方法
US7564820B2 (en) * 2003-11-21 2009-07-21 Motorola, Inc. Method and apparatus for resource allocation and scheduling
KR100804651B1 (ko) 2004-02-13 2008-02-20 포스데이타 주식회사 멀티 캐리어 통신 시스템에서의 적응적 전송 및 피드백방법 및 장치
CN1965513B (zh) 2004-05-01 2014-11-26 桥扬科技有限公司 用于以时分双工进行通信的方法和装置
GB0421663D0 (en) * 2004-09-29 2004-10-27 Nokia Corp Transmitting data in a wireless network
US8503938B2 (en) 2004-10-14 2013-08-06 Qualcomm Incorporated Methods and apparatus for determining, communicating and using information including loading factors which can be used for interference control purposes
RU2007117711A (ru) 2004-10-14 2008-11-20 Квэлкомм Флэрион Текнолоджиз, Инк. (Us) Способы и устройство для определения, передачи и использования информации, которая может быть использована для целей управления помехами
US20060092881A1 (en) * 2004-10-14 2006-05-04 Rajiv Laroia Methods and apparatus for determining, communicating and using information which can be used for interference control purposes
US7492722B2 (en) * 2004-11-04 2009-02-17 Interdigital Technology Corporation Wireless communication method and apparatus for adaptively biasing channel quality indicators to maintain a desired block error rate
US8831665B2 (en) * 2005-09-15 2014-09-09 Sk Telecom Co., Ltd. Method and system for controlling power in portable internet system
US8694042B2 (en) * 2005-10-14 2014-04-08 Qualcomm Incorporated Method and apparatus for determining a base station's transmission power budget
US9191840B2 (en) * 2005-10-14 2015-11-17 Qualcomm Incorporated Methods and apparatus for determining, communicating and using information which can be used for interference control
US7586990B2 (en) * 2005-11-22 2009-09-08 Motorola, Inc. Method and system for allocating subcarriers to subscriber devices
US20070149132A1 (en) * 2005-12-22 2007-06-28 Junyl Li Methods and apparatus related to selecting control channel reporting formats
US9125093B2 (en) * 2005-12-22 2015-09-01 Qualcomm Incorporated Methods and apparatus related to custom control channel reporting formats
US20070249360A1 (en) * 2005-12-22 2007-10-25 Arnab Das Methods and aparatus related to determining, communicating, and/or using delay information in a wireless communications system
US8437251B2 (en) 2005-12-22 2013-05-07 Qualcomm Incorporated Methods and apparatus for communicating transmission backlog information
US9338767B2 (en) 2005-12-22 2016-05-10 Qualcomm Incorporated Methods and apparatus of implementing and/or using a dedicated control channel
US9572179B2 (en) 2005-12-22 2017-02-14 Qualcomm Incorporated Methods and apparatus for communicating transmission backlog information
US9137072B2 (en) 2005-12-22 2015-09-15 Qualcomm Incorporated Methods and apparatus for communicating control information
US9148795B2 (en) * 2005-12-22 2015-09-29 Qualcomm Incorporated Methods and apparatus for flexible reporting of control information
US8514771B2 (en) * 2005-12-22 2013-08-20 Qualcomm Incorporated Methods and apparatus for communicating and/or using transmission power information
US9125092B2 (en) 2005-12-22 2015-09-01 Qualcomm Incorporated Methods and apparatus for reporting and/or using control information
US9473265B2 (en) * 2005-12-22 2016-10-18 Qualcomm Incorporated Methods and apparatus for communicating information utilizing a plurality of dictionaries
US9119220B2 (en) * 2005-12-22 2015-08-25 Qualcomm Incorporated Methods and apparatus for communicating backlog related information
US9451491B2 (en) * 2005-12-22 2016-09-20 Qualcomm Incorporated Methods and apparatus relating to generating and transmitting initial and additional control information report sets in a wireless system
US20070243882A1 (en) * 2006-04-12 2007-10-18 Qualcomm Incorporated Method and apparatus for locating a wireless local area network associated with a wireless wide area network
US7903614B2 (en) * 2006-04-27 2011-03-08 Interdigital Technology Corporation Method and apparatus for selecting link adaptation parameters for CDMA-based wireless communication systems
ATE418193T1 (de) * 2006-06-23 2009-01-15 Mitsubishi Electric Inf Tech Verfahren und vorrichtung zur bestimmung von kanalzustandsinformationen welche von einer ersten zu einer zweiten telekommunikationsvorrichtung zu übertragen sind
JP5475446B2 (ja) 2006-08-21 2014-04-16 コーニンクレッカ フィリップス エヌ ヴェ マルチビームｍｉｍｏシステムにおける効率的なｃｑｉ伝達
US8295225B2 (en) * 2006-09-08 2012-10-23 Qualcomm Incorporated Reverse link feedback for interference control in a wireless communication system
WO2008041893A1 (en) * 2006-10-05 2008-04-10 Telefonaktiebolaget Lm Ericsson (Publ) Method for predicting channel quality indicator (cq i) values.
US8903407B2 (en) * 2006-11-25 2014-12-02 Qualcomm Incorporated System and method for adaptable multimedia download resulting in efficient airlink usage
JP4984880B2 (ja) * 2006-12-27 2012-07-25 日本電気株式会社 移動通信システムおよびその無線リソース割当方法ならびに基地局
US8315660B2 (en) * 2007-02-14 2012-11-20 Qualcomm Incorporated User power offset estimation using dedicated pilot tones for OFDMA
PT2835924T (pt) 2007-03-19 2017-05-22 ERICSSON TELEFON AB L M (publ) Entrega de retorno de estado de canal num sistema de telecomunicação
EP2156599A4 (de) * 2007-05-24 2014-07-02 Ericsson Telefon Ab L M Verfahren und einrichtung für verbesserte kanalqualitätsmeldung
US8559320B2 (en) * 2008-03-19 2013-10-15 Avaya Inc. Method and apparatus for measuring voice quality on a VoIP network
EP2139179A1 (de) * 2008-06-26 2009-12-30 THOMSON Licensing Verfahren und Vorrichtung für den Bericht von Statusinformationen
KR101534865B1 (ko) * 2009-06-23 2015-07-27 엘지전자 주식회사 링크 적응 절차 수행 방법
GB2489757B (en) * 2011-05-16 2013-12-18 Renesas Mobile Corp Mobile Communications Network
WO2013089191A1 (ja) * 2011-12-13 2013-06-20 京セラ株式会社 移動端末、無線通信システム、および無線通信方法
KR20240026754A (ko) * 2022-08-22 2024-02-29 현대자동차주식회사 차량 네트워크 내의 통신 채널 상태를 진단하는 방법 및 시스템

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JP3132427B2 (ja) * 1997-07-11 2001-02-05 日本電気株式会社 Ｓ／ｎ測定回路，送信電力制御装置，及びディジタル通信システム
US6292519B1 (en) * 1998-03-11 2001-09-18 Telefonaktiebolaget Lm Ericsson (Publ) Correction of signal-to-interference ratio measurements
DE10001367A1 (de) * 2000-01-14 2001-08-02 Siemens Ag Leistungssteuerung in Mobilfunksystemen bei unterbrochener Übertragung
KR100605973B1 (ko) * 2000-06-27 2006-07-28 삼성전자주식회사 이동통신 시스템의 링크적응 방법 및 장치
FR2815795B1 (fr) * 2000-10-20 2003-02-07 Cit Alcatel Procede d'adaptation de lien dans un systeme de radiocommunications mobiles
US7165102B2 (en) * 2000-12-18 2007-01-16 Raza Microelectronics, Inc. Adaptive link quality management for wireless medium
US6985453B2 (en) * 2001-02-15 2006-01-10 Qualcomm Incorporated Method and apparatus for link quality feedback in a wireless communication system
US6751187B2 (en) * 2001-05-17 2004-06-15 Qualcomm Incorporated Method and apparatus for processing data for transmission in a multi-channel communication system using selective channel transmission

Also Published As

Publication number Publication date
ATE406010T1 (de) 2008-09-15
US20070026803A1 (en) 2007-02-01
EP1460789A1 (de) 2004-09-22
EP1460789B1 (de) 2008-08-20

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee