DE602004012863D1 - System, methode und computerprogrammprodukt zum demodulieren von quadraturamplitudenmodulierten signalen aufgrund der empfängergeschwindigkeit - Google Patents

System, methode und computerprogrammprodukt zum demodulieren von quadraturamplitudenmodulierten signalen aufgrund der empfängergeschwindigkeit

Info

Publication number
DE602004012863D1
DE602004012863D1 DE602004012863T DE602004012863T DE602004012863D1 DE 602004012863 D1 DE602004012863 D1 DE 602004012863D1 DE 602004012863 T DE602004012863 T DE 602004012863T DE 602004012863 T DE602004012863 T DE 602004012863T DE 602004012863 D1 DE602004012863 D1 DE 602004012863D1
Authority
DE
Germany
Prior art keywords
receiver
slot
computer program
program product
quadrature amplitude
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
DE602004012863T
Other languages
English (en)
Other versions
DE602004012863T2 (de
Inventor
Thomas J Kenney
Jean-Marie Tran
Gillyoung Jung
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.)
Nokia Oyj
Original Assignee
Nokia Oyj
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 Oyj filed Critical Nokia Oyj
Publication of DE602004012863D1 publication Critical patent/DE602004012863D1/de
Application granted granted Critical
Publication of DE602004012863T2 publication Critical patent/DE602004012863T2/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
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/38—Demodulator circuits; Receiver circuits
    • H04L27/3818—Demodulator circuits; Receiver circuits using coherent demodulation, i.e. using one or more nominally phase synchronous carriers
    • H04L27/3836—Demodulator circuits; Receiver circuits using coherent demodulation, i.e. using one or more nominally phase synchronous carriers in which the carrier is recovered using the received modulated signal or the received IF signal, e.g. by detecting a pilot or by frequency multiplication

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Circuits Of Receivers In General (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
DE602004012863T 2003-06-27 2004-06-08 System, methode und computerprogrammprodukt zum demodulieren von quadraturamplitudenmodulierten signalen aufgrund der empfängergeschwindigkeit Expired - Fee Related DE602004012863T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US608345 2000-06-29
US10/608,345 US7359445B2 (en) 2003-06-27 2003-06-27 System, method and computer program product for demodulating quadrature amplitude modulated signals based upon a speed of a receiver
PCT/US2004/018079 WO2005006690A1 (en) 2003-06-27 2004-06-08 System, method and computer program product for demodulating quadrature amplitude modulated signals based upon a speed of a receiver

Publications (2)

Publication Number Publication Date
DE602004012863D1 true DE602004012863D1 (de) 2008-05-15
DE602004012863T2 DE602004012863T2 (de) 2009-04-09

Family

ID=33540562

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602004012863T Expired - Fee Related DE602004012863T2 (de) 2003-06-27 2004-06-08 System, methode und computerprogrammprodukt zum demodulieren von quadraturamplitudenmodulierten signalen aufgrund der empfängergeschwindigkeit

Country Status (6)

Country Link
US (1) US7359445B2 (de)
EP (1) EP1649650B1 (de)
CN (1) CN100579092C (de)
AT (1) ATE391379T1 (de)
DE (1) DE602004012863T2 (de)
WO (1) WO2005006690A1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7502426B2 (en) * 2003-09-09 2009-03-10 Interdigital Technology Corporation Method for estimating signal magnitude, noise power, and signal-to-noise ratio of received signals
EP1678867A1 (de) * 2003-10-23 2006-07-12 Philips Intellectual Property & Standards GmbH Decodierung und rekonstruktion von daten
US7573856B2 (en) * 2003-11-25 2009-08-11 Telefonaktiebolaget Lm Ericsson (Publ) Power-based rate adaptation of wireless communication channels
KR100635534B1 (ko) * 2004-06-28 2006-10-17 전자부품연구원 고속 이동 환경을 위한 하이브리드 채널 추정 방법 및시스템
US7609754B2 (en) * 2005-08-30 2009-10-27 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for received communication signal processing

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69432447T2 (de) * 1993-01-19 2003-12-24 Nippon Telegraph & Telephone Verfahren und vorrichtung zur reduktion von störwellen eines kommunikationssystems
US5446771A (en) * 1994-01-24 1995-08-29 Motorola, Inc. Adaptive coherent signal detection method and apparatus
US6608868B1 (en) * 1999-01-19 2003-08-19 Matsushita Electric Industrial Co., Ltd. Apparatus and method for digital wireless communications
JP3522651B2 (ja) 2000-05-19 2004-04-26 松下電器産業株式会社 通信端末装置及び復調方法
US6430214B1 (en) * 2000-05-22 2002-08-06 Motorola, Inc. Fading resistant multi-level QAM receiver
US6647055B2 (en) * 2000-08-31 2003-11-11 Wen-Yi Kuo Adaptive channel estimation using continuous pilot signal based on doppler period

Also Published As

Publication number Publication date
DE602004012863T2 (de) 2009-04-09
US20040264589A1 (en) 2004-12-30
US7359445B2 (en) 2008-04-15
CN1833417A (zh) 2006-09-13
CN100579092C (zh) 2010-01-06
EP1649650A1 (de) 2006-04-26
EP1649650B1 (de) 2008-04-02
WO2005006690A1 (en) 2005-01-20
ATE391379T1 (de) 2008-04-15

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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