DE19680327T1 - GMSK-Kommunikationsgerät-Testsystem - Google Patents

GMSK-Kommunikationsgerät-Testsystem

Info

Publication number
DE19680327T1
DE19680327T1 DE19680327T DE19680327T DE19680327T1 DE 19680327 T1 DE19680327 T1 DE 19680327T1 DE 19680327 T DE19680327 T DE 19680327T DE 19680327 T DE19680327 T DE 19680327T DE 19680327 T1 DE19680327 T1 DE 19680327T1
Authority
DE
Germany
Prior art keywords
communication device
test system
device test
gmsk communication
gmsk
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.)
Granted
Application number
DE19680327T
Other languages
English (en)
Other versions
DE19680327C2 (de
Inventor
Koji Asami
Juichi Nakada
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.)
Advantest Corp
Original Assignee
Advantest Corp
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 Advantest Corp filed Critical Advantest Corp
Publication of DE19680327T1 publication Critical patent/DE19680327T1/de
Application granted granted Critical
Publication of DE19680327C2 publication Critical patent/DE19680327C2/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
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/24—Testing correct operation
    • 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
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/22—Demodulator circuits; Receiver circuits
    • H04L27/233—Demodulator circuits; Receiver circuits using non-coherent demodulation
    • H04L27/2332—Demodulator circuits; Receiver circuits using non-coherent demodulation using a non-coherent carrier

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)
  • Tests Of Electronic Circuits (AREA)
  • Measuring Frequencies, Analyzing Spectra (AREA)
DE19680327T 1995-03-30 1996-03-26 GMSK-Kommunikationsgerät-Testsystem Expired - Fee Related DE19680327C2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP09790795A JP3497008B2 (ja) 1995-03-30 1995-03-30 Ｇｍｓｋ通信デバイスの試験装置
PCT/JP1996/000786 WO1996031039A1 (fr) 1995-03-30 1996-03-26 Dispositif d'essai pour appareil de communications gmsk

Publications (2)

Publication Number Publication Date
DE19680327T1 true DE19680327T1 (de) 1997-06-19
DE19680327C2 DE19680327C2 (de) 1999-07-15

Family

ID=14204797

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19680327T Expired - Fee Related DE19680327C2 (de) 1995-03-30 1996-03-26 GMSK-Kommunikationsgerät-Testsystem

Country Status (6)

Country Link
US (1) US5875213A (de)
JP (1) JP3497008B2 (de)
CN (1) CN1123183C (de)
DE (1) DE19680327C2 (de)
TW (1) TW299538B (de)
WO (1) WO1996031039A1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7173443B1 (en) * 1998-11-24 2007-02-06 Advantest Corp. Semiconductor test system
EP1063826A1 (de) 1999-06-25 2000-12-27 Sony International (Europe) GmbH Trägerrückgewinnungvorrichtung für ein digitales Quadratur-Signal
WO2001035592A1 (de) * 1999-11-09 2001-05-17 Siemens Aktiengesellschaft Verfahren und testgerät zur ermittlung und korrektur eines gleichspannungsversatzes an einem modulator
TW555994B (en) * 2002-06-12 2003-10-01 Mediatek Inc Group delay test method and device
US7526701B2 (en) * 2002-10-02 2009-04-28 Mediatek Inc. Method and apparatus for measuring group delay of a device under test
EP1351067B1 (de) * 2003-02-25 2004-11-10 Agilent Technologies Inc Aufspüren eines Signalübergangs
US8184746B2 (en) * 2005-07-04 2012-05-22 Nxp B.V. Simplified de-rotation in digital FM demodulator architectures
JP2007189630A (ja) * 2006-01-16 2007-07-26 Agilent Technol Inc 周波数誤差測定装置およびプログラム
JP5175924B2 (ja) 2008-03-21 2013-04-03 株式会社アドバンテスト 試験装置、復調装置、試験方法、復調方法および電子デバイス
KR102509179B1 (ko) * 2014-10-02 2023-03-13 자코티 브바 저-대기시간 멀티미디어 스트리밍 환경의 문제 패턴 취급 방법
KR102379182B1 (ko) * 2015-11-20 2022-03-24 삼성전자주식회사 연속 데이터 압축 장치 및 방법
US11146439B2 (en) * 2019-12-04 2021-10-12 National Instruments Corporation Robust carrier phase and frequency tracking for M-QAM demodulation

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5187719A (en) * 1989-01-13 1993-02-16 Hewlett-Packard Company Method and apparatus for measuring modulation accuracy
FR2661792A1 (fr) * 1990-05-04 1991-11-08 Alcatel Radiotelephone Dispositif d'evaluation d'ecart de frequence.
KR950003666B1 (ko) * 1990-12-31 1995-04-17 삼성전자 주식회사 지엠에스케이신호복조방법 및 그 장치
US5283811A (en) * 1991-09-03 1994-02-01 General Electric Company Decision feedback equalization for digital cellular radio
JPH0837544A (ja) * 1994-07-22 1996-02-06 Advantest Corp デジタル変調信号のオフセット検出装置

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
KAMMEYER, Karl Dirk: Nachrichtenübertragung. Stuttgart: Teubner, 1992, S.387-393 *
MOULY, Michel, PAUTET, Marie-Bernadette: The GSM System for Mobile Communications. Palaiseau (Frankreich): Selbstverlag, 1992, S.248-259 *

Also Published As

Publication number Publication date
WO1996031039A1 (fr) 1996-10-03
CN1123183C (zh) 2003-10-01
JP3497008B2 (ja) 2004-02-16
DE19680327C2 (de) 1999-07-15
US5875213A (en) 1999-02-23
TW299538B (de) 1997-03-01
JPH08274823A (ja) 1996-10-18
CN1147887A (zh) 1997-04-16

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee