FI20002875A0 - Förfarande för utföring av länkadaptation - Google Patents

Förfarande för utföring av länkadaptation

Info

Publication number
FI20002875A0
FI20002875A0 FI20002875A FI20002875A FI20002875A0 FI 20002875 A0 FI20002875 A0 FI 20002875A0 FI 20002875 A FI20002875 A FI 20002875A FI 20002875 A FI20002875 A FI 20002875A FI 20002875 A0 FI20002875 A0 FI 20002875A0
Authority
FI
Finland
Prior art keywords
link adaptation
performing link
adaptation
link
Prior art date
Application number
FI20002875A
Other languages
English (en)
Finnish (fi)
Other versions
FI20002875A (sv
FI115361B (sv
Inventor
Mika Kahola
Original Assignee
Nokia Mobile Phones 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 Nokia Mobile Phones Ltd filed Critical Nokia Mobile Phones Ltd
Priority to FI20002875A priority Critical patent/FI115361B/sv
Publication of FI20002875A0 publication Critical patent/FI20002875A0/sv
Priority to PCT/FI2001/001116 priority patent/WO2002054619A1/en
Priority to EP01272687A priority patent/EP1346493A1/en
Priority to US10/033,451 priority patent/US20020126694A1/en
Publication of FI20002875A publication Critical patent/FI20002875A/sv
Application granted granted Critical
Publication of FI115361B publication Critical patent/FI115361B/sv

Links

Classifications

    • 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
    • H04W52/26—TPC being performed according to specific parameters using transmission rate or quality of service QoS [Quality of Service]
    • H04W52/267—TPC being performed according to specific parameters using transmission rate or quality of service QoS [Quality of Service] taking into account the information rate
    • 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
    • H04L1/0015—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
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0044—Allocation of payload; Allocation of data channels, e.g. PDSCH or PUSCH
    • H04L5/0046—Determination of the number of bits transmitted on different sub-channels
    • 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
    • H04L5/0058—Allocation criteria
    • H04L5/006—Quality of the received signal, e.g. BER, SNR, water filling
    • 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
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A) or DMT

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Quality & Reliability (AREA)
  • Mobile Radio Communication Systems (AREA)
FI20002875A 2000-12-28 2000-12-28 Förfarande för utföring av länkadaptation FI115361B (sv)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FI20002875A FI115361B (sv) 2000-12-28 2000-12-28 Förfarande för utföring av länkadaptation
PCT/FI2001/001116 WO2002054619A1 (en) 2000-12-28 2001-12-18 Method for performing link adaption using fuzzy control
EP01272687A EP1346493A1 (en) 2000-12-28 2001-12-18 Method for performing link adaption using fuzzy control
US10/033,451 US20020126694A1 (en) 2000-12-28 2001-12-27 Method for performing link adaptation

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20002875A FI115361B (sv) 2000-12-28 2000-12-28 Förfarande för utföring av länkadaptation
FI20002875 2000-12-28

Publications (3)

Publication Number Publication Date
FI20002875A0 true FI20002875A0 (sv) 2000-12-28
FI20002875A FI20002875A (sv) 2002-06-29
FI115361B FI115361B (sv) 2005-04-15

Family

ID=8559832

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20002875A FI115361B (sv) 2000-12-28 2000-12-28 Förfarande för utföring av länkadaptation

Country Status (4)

Country Link
US (1) US20020126694A1 (sv)
EP (1) EP1346493A1 (sv)
FI (1) FI115361B (sv)
WO (1) WO2002054619A1 (sv)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6728259B1 (en) * 1999-12-14 2004-04-27 Nokia Corporation Link adaptation algorithm for packet based radio system
JP3719993B2 (ja) * 2002-02-22 2005-11-24 株式会社東芝 無線端末局および無線通信システム
EP2385665A1 (en) 2002-03-08 2011-11-09 Aware, Inc. System and method for OFDM communications using different cyclic prefix lengths
US20030193889A1 (en) * 2002-04-11 2003-10-16 Intel Corporation Wireless device and method for interference and channel adaptation in an OFDM communication system
KR100517237B1 (ko) * 2002-12-09 2005-09-27 한국전자통신연구원 직교 주파수 분할 다중화 무선 통신 시스템에서의채널품질 추정과 링크적응 방법 및 그 장치
US8824582B2 (en) 2003-08-08 2014-09-02 Intel Corporation Base station and method for channel coding and link adaptation
US7321614B2 (en) * 2003-08-08 2008-01-22 Intel Corporation Apparatus and methods for communicating using symbol-modulated subcarriers
US7394858B2 (en) * 2003-08-08 2008-07-01 Intel Corporation Systems and methods for adaptive bit loading in a multiple antenna orthogonal frequency division multiplexed communication system
US7649833B2 (en) 2003-12-29 2010-01-19 Intel Corporation Multichannel orthogonal frequency division multiplexed receivers with antenna selection and maximum-ratio combining and associated methods
US7333556B2 (en) * 2004-01-12 2008-02-19 Intel Corporation System and method for selecting data rates to provide uniform bit loading of subcarriers of a multicarrier communication channel
DE102004061904A1 (de) * 2004-12-22 2006-10-19 Siemens Ag Verfahren zum Übertragen von Datenpaketen
CN100386976C (zh) * 2005-01-11 2008-05-07 山东大学 选频单载波分块传输系统中的功率控制方法
CN100421438C (zh) * 2005-01-28 2008-09-24 山东大学 选频单载波分块传输系统中的比特加载方法
US20060198460A1 (en) * 2005-03-03 2006-09-07 Texas Instruments Incorporated Link adaptation for high throughput multiple antenna WLAN systems
US7440412B2 (en) * 2006-03-13 2008-10-21 Tzero Technologies, Inc. Link quality prediction
US8102765B2 (en) 2007-06-22 2012-01-24 Microsoft Corporation Correlation-based rate adaptation for communication networks
US8234499B2 (en) * 2007-06-26 2012-07-31 International Business Machines Corporation Adaptive authentication solution that rewards almost correct passwords and that simulates access for incorrect passwords
CN103229475B (zh) * 2010-12-03 2016-12-07 日本电气株式会社 通信设备和通信方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR9405417A (pt) * 1993-06-07 1999-09-08 Radio Local Area Networks Inc Controlador de interligação de rede, métodos de designar um nó mestre em uma rede, de mudar a frequência em uma rede, de escolher um nìvel de força de transmissão ótimo para um primeiro nó e de transmitir uma pluralidade de pacotes de dados
EP0721719A1 (en) * 1993-09-20 1996-07-17 Cabletron Systems, Inc. Communications network management system and method, using fuzzy logic
DE19528563C2 (de) * 1995-08-03 1997-11-06 Siemens Ag Verfahren zur Bewertung von mindestens zwei mehrteiligen Kommunikationsverbindungen zwischen zwei Kommunikationspartnern in einem Mehrknotennetzwerk
SE515509C2 (sv) * 1996-04-29 2001-08-20 Radio Design Innovation Tj Ab Adaptivt luftgränssnitt
US5778317A (en) * 1996-05-13 1998-07-07 Harris Corporation Method for allocating channels in a radio network using a genetic algorithm
US6072990A (en) * 1997-05-08 2000-06-06 Lucent Technologies, Inc. Transmitter-receiver pair for wireless network power-code operating point is determined based on error rate
US6862622B2 (en) * 1998-07-10 2005-03-01 Van Drebbel Mariner Llc Transmission control protocol/internet protocol (TCP/IP) packet-centric wireless point to multi-point (PTMP) transmission system architecture
US6654359B1 (en) * 1998-12-11 2003-11-25 Lucent Technologies Inc. Wireless access to packet-based networks
US6766309B1 (en) * 1999-07-14 2004-07-20 Liang Cheng Method and system for adapting a network application based on classifying types of communication links using fuzzy logic
CN1140147C (zh) * 2000-07-01 2004-02-25 信息产业部电信传输研究所 一种外环功率控制的方法和系统
US6850498B2 (en) * 2000-12-22 2005-02-01 Intel Corporation Method and system for evaluating a wireless link
US6900003B2 (en) * 2002-04-12 2005-05-31 Shipley Company, L.L.C. Photoresist processing aid and method

Also Published As

Publication number Publication date
EP1346493A1 (en) 2003-09-24
FI20002875A (sv) 2002-06-29
WO2002054619A1 (en) 2002-07-11
US20020126694A1 (en) 2002-09-12
FI115361B (sv) 2005-04-15

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