ATE342619T1 - Verbindungsanpassung für zellulares funksystem - Google Patents

Verbindungsanpassung für zellulares funksystem

Info

Publication number
ATE342619T1
ATE342619T1 AT01938895T AT01938895T ATE342619T1 AT E342619 T1 ATE342619 T1 AT E342619T1 AT 01938895 T AT01938895 T AT 01938895T AT 01938895 T AT01938895 T AT 01938895T AT E342619 T1 ATE342619 T1 AT E342619T1
Authority
AT
Austria
Prior art keywords
radio system
cellular radio
connection adjustment
adjustment
connection
Prior art date
Application number
AT01938895T
Other languages
English (en)
Inventor
Erik Dahlman
Henrik Andreasson
Magnus Sundelin
Bo Goeransson
Stefan Parkvall
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Application granted granted Critical
Publication of ATE342619T1 publication Critical patent/ATE342619T1/de

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
    • H04L1/0015—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy
    • H04L1/0019—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy in which mode-switching is based on a statistical approach
    • H04L1/0021—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy in which mode-switching is based on a statistical approach in which the algorithm uses adaptive thresholds
    • 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
    • H04L1/0009—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
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Artificial Intelligence (AREA)
  • Physics & Mathematics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Mobile Radio Communication Systems (AREA)
AT01938895T 2000-06-06 2001-05-31 Verbindungsanpassung für zellulares funksystem ATE342619T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE0002168A SE517030C2 (sv) 2000-06-06 2000-06-06 Metod och anordning för val av modulerings- och kodningsregler i ett radiokommunikationssystem

Publications (1)

Publication Number Publication Date
ATE342619T1 true ATE342619T1 (de) 2006-11-15

Family

ID=20280038

Family Applications (1)

Application Number Title Priority Date Filing Date
AT01938895T ATE342619T1 (de) 2000-06-06 2001-05-31 Verbindungsanpassung für zellulares funksystem

Country Status (11)

Country Link
US (1) US20020010001A1 (de)
EP (1) EP1287631B1 (de)
AR (1) AR032884A1 (de)
AT (1) ATE342619T1 (de)
AU (1) AU2001264466A1 (de)
DE (1) DE60123785T2 (de)
ES (1) ES2271021T3 (de)
MY (1) MY124790A (de)
SE (1) SE517030C2 (de)
TW (1) TW499800B (de)
WO (1) WO2001095548A1 (de)

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CN100440762C (zh) * 2000-11-17 2008-12-03 松下电器产业株式会社 正交频分复用通信装置
JP3426218B2 (ja) * 2001-01-19 2003-07-14 松下電器産業株式会社 基地局装置及び符号化／変調方法
US7639759B2 (en) 2001-04-27 2009-12-29 The Directv Group, Inc. Carrier to noise ratio estimations from a received signal
US7471735B2 (en) 2001-04-27 2008-12-30 The Directv Group, Inc. Maximizing power and spectral efficiencies for layered and conventional modulations
US7209524B2 (en) * 2001-04-27 2007-04-24 The Directv Group, Inc. Layered modulation for digital signals
US7423987B2 (en) 2001-04-27 2008-09-09 The Directv Group, Inc. Feeder link configurations to support layered modulation for digital signals
US7778365B2 (en) 2001-04-27 2010-08-17 The Directv Group, Inc. Satellite TWTA on-line non-linearity measurement
US7822154B2 (en) 2001-04-27 2010-10-26 The Directv Group, Inc. Signal, interference and noise power measurement
US7583728B2 (en) 2002-10-25 2009-09-01 The Directv Group, Inc. Equalizers for layered modulated and other signals
US7512189B2 (en) 2001-04-27 2009-03-31 The Directv Group, Inc. Lower complexity layered modulation signal processor
US8005035B2 (en) 2001-04-27 2011-08-23 The Directv Group, Inc. Online output multiplexer filter measurement
JP4012391B2 (ja) * 2001-10-30 2007-11-21 株式会社エヌ・ティ・ティ・ドコモ 移動局、移動通信システム、ハンドオーバー制御方法、ハンドオーバー制御プログラム、及び記録媒体
GB2382746B (en) * 2001-11-20 2005-12-14 Ericsson Telefon Ab L M Establishing radio communication channels
GB0130687D0 (en) * 2001-12-21 2002-02-06 Nokia Corp Parameter estimation for adaptive antenna system
US7031742B2 (en) * 2002-02-07 2006-04-18 Qualcomm Incorporation Forward and reverse link power control of serving and non-serving base stations in a wireless communication system
EP1483849B1 (de) * 2002-02-09 2014-08-13 LG Electronics Inc. Dsch-leistungsregelverfahren für wcdma
US7245598B2 (en) * 2002-02-21 2007-07-17 Qualcomm Incorporated Feedback of channel quality information
WO2003084090A1 (en) * 2002-04-03 2003-10-09 Telefonaktiebolaget L M Ericsson (Publ) Power control in mobile communication system
MY139033A (en) * 2002-05-01 2009-08-28 Interdigital Tech Corp Point to multi-point services using shared channels in wireless communication systems
TWI390999B (zh) 2002-05-01 2013-03-21 Interdigital Tech Corp 無線通信系統中使用高速共享頻道之點對多點服務
TWI225339B (en) * 2002-06-06 2004-12-11 Via Telecom Co Ltd Power control of plural packet data control channels
JP3980029B2 (ja) * 2002-06-13 2007-09-19 ノキア コーポレイション チャネル化コード及び電力の適応確保のための方法、システム、及びネットワークエンティティ
EP1372290A1 (de) * 2002-06-14 2003-12-17 Evolium S.A.S. Verfahren und System zur Auswahl der Modulations-/Kodierungsart mittels einer Tendenzanalyse
ES2604453T3 (es) 2002-07-03 2017-03-07 The Directv Group, Inc. Método y aparato para modulación en capas
GB2391431A (en) * 2002-07-30 2004-02-04 Fujitsu Ltd Adaptive modulation and coding method
TWM240755U (en) * 2002-08-01 2004-08-11 Interdigital Tech Corp Base station using power control of a point to multipoint physical channel
JP3931125B2 (ja) * 2002-08-07 2007-06-13 松下電器産業株式会社 無線装置及び基地局装置
US7489703B2 (en) * 2002-12-20 2009-02-10 Motorola, Inc. Apparatus and method for a coding scheme selection
ATE460023T1 (de) * 2003-01-24 2010-03-15 Panasonic Corp Präzisionsmessvorrichtung und verfahren für leitungsqualitätsbericht
JP2004297231A (ja) * 2003-03-26 2004-10-21 Nec Corp 移動通信システム、無線基地局装置及びそれらに用いる電力制御方法
JP2004343524A (ja) * 2003-05-16 2004-12-02 Mitsubishi Electric Corp 基地局、移動局、通信システムおよび通信方法
CN1833370B (zh) * 2003-07-30 2010-05-12 美商内数位科技公司 使用下链传输功率检测进行限制动态范围的下链功率控制
FI20031582A0 (fi) * 2003-10-30 2003-10-30 Nokia Corp Takaisinkytkentäinen tehonsäätömenetelmä tiedonvälitysjärjestelmässä
US7239885B2 (en) * 2003-11-05 2007-07-03 Interdigital Technology Corporation Initial downlink transmit power adjustment for non-real-time services using dedicated or shared channel
US8175016B1 (en) * 2004-03-19 2012-05-08 Verizon Corporate Services Group Inc. Systems, methods and computer readable media for energy conservation in sensor networks
US20060252446A1 (en) * 2005-05-06 2006-11-09 Interdigital Technology Corporation Method and apparatus for setting a power limit for high speed downlink packet access services
JP4671771B2 (ja) * 2005-06-10 2011-04-20 株式会社エヌ・ティ・ティ・ドコモ 無線通信装置及び無線通信方法
US7782817B2 (en) * 2005-11-04 2010-08-24 Intel Corporation Systems and techniques for improved data throughput in a wireless network
US8437315B2 (en) * 2007-08-01 2013-05-07 Broadcom Corporation Firmware processing for downlink F-DPCH
US8654695B2 (en) * 2007-12-14 2014-02-18 Broadcom Corporation Link adaptation of a broadcast system
CN101978630B (zh) * 2008-03-31 2013-06-12 富士通株式会社 接收装置、发送装置、接收方法以及发送方法
US20140029582A1 (en) * 2012-07-27 2014-01-30 Qualcomm Incorporated Method and apparatus for a power control mechanism
KR20140041164A (ko) * 2012-09-27 2014-04-04 한국전자통신연구원 전파 간섭 극복을 위한 적응형 위성전력 송신 시스템 및 그 통신방법
JP5894105B2 (ja) * 2013-04-04 2016-03-23 株式会社Ｎｔｔドコモ 無線基地局、ユーザ端末及び無線通信方法
US10292199B2 (en) * 2014-12-05 2019-05-14 Telefonaktiebolaget Lm Ericsson (Publ) Method and communication device for performing link adaptation

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ATE162035T1 (de) * 1991-06-03 1998-01-15 British Telecomm Funksystem
US5511079A (en) * 1993-05-26 1996-04-23 Hughes Aircraft Company Apparatus and method for controlling forward error correction encoding in a very small aperture terminal
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US5722051A (en) * 1996-02-13 1998-02-24 Lucent Technologies Inc. Adaptive power control and coding scheme for mobile radio systems
US5771461A (en) * 1996-06-28 1998-06-23 Motorola, Inc. Method and apparatus for power control of a first channel based on a signal quality of a second channel
US5946356A (en) * 1997-07-16 1999-08-31 Motorola, Inc. Method and apparatus for data transmission within a broad-band communications system
US6693952B1 (en) * 1999-03-16 2004-02-17 Lucent Technologies Inc. Dynamic code allocation for downlink shared channels
US6996069B2 (en) * 2000-02-22 2006-02-07 Qualcomm, Incorporated Method and apparatus for controlling transmit power of multiple channels in a CDMA communication system
US6567375B2 (en) * 2000-03-13 2003-05-20 Lucent Technologies Inc. Method and apparatus for packet size dependent link adaptation for wireless packet
US6385462B1 (en) * 2000-05-26 2002-05-07 Motorola, Inc. Method and system for criterion based adaptive power allocation in a communication system with selective determination of modulation and coding

Also Published As

Publication number Publication date
DE60123785T2 (de) 2007-08-16
SE0002168D0 (sv) 2000-06-06
EP1287631A1 (de) 2003-03-05
US20020010001A1 (en) 2002-01-24
ES2271021T3 (es) 2007-04-16
TW499800B (en) 2002-08-21
MY124790A (en) 2006-07-31
EP1287631B1 (de) 2006-10-11
WO2001095548A1 (en) 2001-12-13
AU2001264466A1 (en) 2001-12-17
SE0002168L (sv) 2001-12-07
AR032884A1 (es) 2003-12-03
SE517030C2 (sv) 2002-04-02
DE60123785D1 (de) 2006-11-23

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