ATE473576T1 - Adaptive symbolabbildung in einem mobilsystem - Google Patents

Adaptive symbolabbildung in einem mobilsystem

Info

Publication number
ATE473576T1
ATE473576T1 AT02722315T AT02722315T ATE473576T1 AT E473576 T1 ATE473576 T1 AT E473576T1 AT 02722315 T AT02722315 T AT 02722315T AT 02722315 T AT02722315 T AT 02722315T AT E473576 T1 ATE473576 T1 AT E473576T1
Authority
AT
Austria
Prior art keywords
mobile system
transmitter
information
symbol representation
channel
Prior art date
Application number
AT02722315T
Other languages
English (en)
Inventor
Teemu Sipilae
Original Assignee
Nokia Siemens Networks Oy
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 Siemens Networks Oy filed Critical Nokia Siemens Networks Oy
Application granted granted Critical
Publication of ATE473576T1 publication Critical patent/ATE473576T1/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
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
  • Closed-Circuit Television Systems (AREA)
  • Stereoscopic And Panoramic Photography (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
AT02722315T 2001-05-08 2002-05-07 Adaptive symbolabbildung in einem mobilsystem ATE473576T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20010963A FI20010963A0 (fi) 2001-05-08 2001-05-08 Adaptiivinen symbolikuvaus matkaviestinjärjestelmässä
PCT/FI2002/000388 WO2002091695A1 (en) 2001-05-08 2002-05-07 Adaptive symbol mapping in mobile system

Publications (1)

Publication Number Publication Date
ATE473576T1 true ATE473576T1 (de) 2010-07-15

Family

ID=8561151

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02722315T ATE473576T1 (de) 2001-05-08 2002-05-07 Adaptive symbolabbildung in einem mobilsystem

Country Status (7)

Country Link
US (1) US7308036B2 (de)
EP (1) EP1396128B1 (de)
CN (1) CN1520668A (de)
AT (1) ATE473576T1 (de)
DE (1) DE60236932D1 (de)
FI (1) FI20010963A0 (de)
WO (1) WO2002091695A1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100976475B1 (ko) * 2003-08-19 2010-08-18 엘지전자 주식회사 서비스 품질 (QoS) 측정보고 전송 방법 및 수신 방법
JP4269858B2 (ja) * 2003-09-10 2009-05-27 株式会社日立製作所 適応変復調方式及び無線通信システム
KR100744336B1 (ko) * 2004-06-18 2007-07-30 삼성전자주식회사 Ｏｆｄｍ기반의 무선 통신 시스템에서의 핸드오버 방법
GB2415860B (en) * 2004-06-30 2007-04-18 Nokia Corp A method of providing a radio service at a remote terminal
CN1933390B (zh) * 2005-09-15 2014-08-13 三星电子株式会社 在正交频分多址通信系统中生成帧的方法
KR100809604B1 (ko) * 2006-12-06 2008-03-04 한국전자통신연구원 상호 협력 전송에서 신호점 회전을 이용한 신호 송/수신장치 및 방법
US8498243B2 (en) * 2008-06-11 2013-07-30 Qualcomm Incorporated Apparatus and method for channel error control of non-exclusive multiplexing for control channels

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5289501A (en) * 1991-11-26 1994-02-22 At&T Bell Laboratories Coded modulation with unequal error protection for fading channels
US5479448A (en) * 1992-03-31 1995-12-26 At&T Corp. Method and apparatus for providing antenna diversity
US5696794A (en) 1996-04-04 1997-12-09 Motorola, Inc. Method and apparatus for conditioning digitally modulated signals using channel symbol adjustment
EP0998045A1 (de) * 1998-10-30 2000-05-03 Lucent Technologies Inc. Verfahren und System zur digitalen Übertragung
US6594473B1 (en) * 1999-05-28 2003-07-15 Texas Instruments Incorporated Wireless system with transmitter having multiple transmit antennas and combining open loop and closed loop transmit diversities
US6782037B1 (en) 1999-07-27 2004-08-24 Lucent Technologies Inc. Demodulation method for receiver
US6490270B1 (en) * 1999-07-27 2002-12-03 Lucent Technologies Inc. Modulation method for transmitter
US6771706B2 (en) * 2001-03-23 2004-08-03 Qualcomm Incorporated Method and apparatus for utilizing channel state information in a wireless communication system
US8290098B2 (en) * 2001-03-30 2012-10-16 Texas Instruments Incorporated Closed loop multiple transmit, multiple receive antenna wireless communication system

Also Published As

Publication number Publication date
WO2002091695A1 (en) 2002-11-14
US7308036B2 (en) 2007-12-11
US20040101063A1 (en) 2004-05-27
EP1396128B1 (de) 2010-07-07
CN1520668A (zh) 2004-08-11
DE60236932D1 (de) 2010-08-19
EP1396128A1 (de) 2004-03-10
FI20010963A0 (fi) 2001-05-08

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Legal Events

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