ATE323996T1 - Synchronisierung sowie erfassung der modulationsart - Google Patents

Synchronisierung sowie erfassung der modulationsart

Info

Publication number
ATE323996T1
ATE323996T1 AT00943913T AT00943913T ATE323996T1 AT E323996 T1 ATE323996 T1 AT E323996T1 AT 00943913 T AT00943913 T AT 00943913T AT 00943913 T AT00943913 T AT 00943913T AT E323996 T1 ATE323996 T1 AT E323996T1
Authority
AT
Austria
Prior art keywords
modulation
type
transmitter
receiver
communication system
Prior art date
Application number
AT00943913T
Other languages
English (en)
Inventor
Anders Khullar
Niklas Stenstroem
Bengt Lindoff
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 filed Critical
Application granted granted Critical
Publication of ATE323996T1 publication Critical patent/ATE323996T1/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/20—Modulator circuits; Transmitter circuits
    • H04L27/2003—Modulator circuits; Transmitter circuits for continuous phase modulation
    • H04L27/2007—Modulator circuits; Transmitter circuits for continuous phase modulation in which the phase change within each symbol period is constrained
    • H04L27/2017—Modulator circuits; Transmitter circuits for continuous phase modulation in which the phase change within each symbol period is constrained in which the phase changes are non-linear, e.g. generalized and Gaussian minimum shift keying, tamed frequency modulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0012—Modulated-carrier systems arrangements for identifying the type of modulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/20—Modulator circuits; Transmitter circuits
    • H04L27/2032—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner
    • H04L27/2053—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using more than one carrier, e.g. carriers with different phases
    • H04L27/206—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using more than one carrier, e.g. carriers with different phases using a pair of orthogonal carriers, e.g. quadrature carriers
    • H04L27/2067—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using more than one carrier, e.g. carriers with different phases using a pair of orthogonal carriers, e.g. quadrature carriers with more than two phase states
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L2025/0335—Arrangements for removing intersymbol interference characterised by the type of transmission
    • H04L2025/03375—Passband transmission
    • H04L2025/03401—PSK
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0224—Channel estimation using sounding signals
    • H04L25/0228—Channel estimation using sounding signals with direct estimation from sounding signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Mobile Radio Communication Systems (AREA)
AT00943913T 1999-07-01 2000-06-27 Synchronisierung sowie erfassung der modulationsart ATE323996T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/340,254 US6463107B1 (en) 1999-07-01 1999-07-01 Methods and apparatuses for synchronization and modulation type detection

Publications (1)

Publication Number Publication Date
ATE323996T1 true ATE323996T1 (de) 2006-05-15

Family

ID=23332545

Family Applications (1)

Application Number Title Priority Date Filing Date
AT00943913T ATE323996T1 (de) 1999-07-01 2000-06-27 Synchronisierung sowie erfassung der modulationsart

Country Status (9)

Country Link
US (1) US6463107B1 (de)
EP (1) EP1197050B1 (de)
JP (1) JP4464022B2 (de)
CN (1) CN1166139C (de)
AT (1) ATE323996T1 (de)
AU (1) AU5820700A (de)
DE (1) DE60027432T2 (de)
MY (1) MY120849A (de)
WO (1) WO2001003397A1 (de)

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US8009667B1 (en) 2001-01-16 2011-08-30 Wi—LAN, Inc. Packing source data packets into transporting packets with fragmentation
DE10111206C2 (de) * 2001-03-08 2003-04-03 Infineon Technologies Ag Blinde Detektion für Mobilfunkempfänger
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DE10124782B8 (de) * 2001-05-21 2012-09-13 Intel Mobile Communications GmbH Übermittlung und Erkennung der Modulationsart in digitalen Kommunikationssystemen mittels eines der Trainingssequenz aufgeprägten Phasenrotationsfaktors
US7103115B2 (en) * 2001-05-21 2006-09-05 At&T Corp. Optimum training sequences for wireless systems
US7012966B2 (en) * 2001-05-21 2006-03-14 At&T Corp. Channel estimation for wireless systems with multiple transmit antennas
GB0123290D0 (en) 2001-09-27 2001-11-21 Nokia Corp DC offset correction in a mobile communication system
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US7187736B2 (en) * 2003-02-13 2007-03-06 Motorola Inc. Reducing interference in a GSM communication system
EP1465354A1 (de) * 2003-04-01 2004-10-06 STMicroelectronics N.V. Verfahren und Vorrichtung zur Synchronisierung in einem drahtlosen Ultrabreitbanddatennachrichtenübertragungssystem
JP4000088B2 (ja) * 2003-05-09 2007-10-31 松下電器産業株式会社 無線受信装置および受信フィルタリング方法
US7406139B2 (en) * 2003-06-16 2008-07-29 Broadcom Corporation System and method to identify a modulation format of a data frame within a cellular wireless network
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US20050084040A1 (en) * 2003-10-20 2005-04-21 Stewart Kenneth A. Method for modulation detection
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US7574175B2 (en) * 2004-11-01 2009-08-11 Broadcom Corporation Method and system for selective equalization enablement based on modulation type
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US7499506B2 (en) * 2005-03-22 2009-03-03 Qualcomm Incorporated Detection of signal modulation format type
US20070025468A1 (en) * 2005-07-28 2007-02-01 Weidong Li GMSK/8-PSK mix-mode support for GSM/GPRS/EDGE compliant handsets
US7697638B2 (en) * 2005-08-16 2010-04-13 Freescale Semiconductor, Inc. Modulation detection in a SAIC operational environment
US7894551B2 (en) * 2005-08-29 2011-02-22 Mediatek Inc. Modulation scheme detecting apparatus and related method
US8358723B1 (en) * 2005-11-12 2013-01-22 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Self-configurable radio receiver system and method for use with signals without prior knowledge of signal defining characteristics
US8768343B2 (en) 2006-03-31 2014-07-01 Zebra Enterprise Solutions Corp Wireless local area network receiver and associated method
US9362976B2 (en) 2006-04-26 2016-06-07 Zih Corp. Wireless local area network system and receiver adapted for use thereof and associated method
US8892065B2 (en) * 2006-04-26 2014-11-18 Zebra Enterprise Solutions Corp. Method, apparatus, and computer program product for wireless signal storage with signal recognition detection triggering
US7885357B1 (en) * 2008-01-09 2011-02-08 Mediatek Inc. Apparatus for signal detection to enhance performance of a receiver and method therefor
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Also Published As

Publication number Publication date
JP4464022B2 (ja) 2010-05-19
MY120849A (en) 2005-11-30
AU5820700A (en) 2001-01-22
WO2001003397A1 (en) 2001-01-11
CN1372744A (zh) 2002-10-02
DE60027432T2 (de) 2006-09-14
CN1166139C (zh) 2004-09-08
US6463107B1 (en) 2002-10-08
JP2003503962A (ja) 2003-01-28
EP1197050B1 (de) 2006-04-19
DE60027432D1 (de) 2006-05-24
EP1197050A1 (de) 2002-04-17

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