SE9602001L - Digital moduleringsmetod med kontrollerad enveloppvariation - Google Patents

Digital moduleringsmetod med kontrollerad enveloppvariation

Info

Publication number
SE9602001L
SE9602001L SE9602001A SE9602001A SE9602001L SE 9602001 L SE9602001 L SE 9602001L SE 9602001 A SE9602001 A SE 9602001A SE 9602001 A SE9602001 A SE 9602001A SE 9602001 L SE9602001 L SE 9602001L
Authority
SE
Sweden
Prior art keywords
amplitude modulation
signals
intersymbol interference
filter
filtering
Prior art date
Application number
SE9602001A
Other languages
English (en)
Other versions
SE9602001D0 (sv
Inventor
Ross W Lampe
Jyun-Chen Chen
Original Assignee
Ericsson Ge Mobile Inc
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 Ericsson Ge Mobile Inc filed Critical Ericsson Ge Mobile Inc
Publication of SE9602001D0 publication Critical patent/SE9602001D0/sv
Publication of SE9602001L publication Critical patent/SE9602001L/sv

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Amplifiers (AREA)
  • Transmitters (AREA)
  • Amplitude Modulation (AREA)
SE9602001A 1994-09-29 1996-05-24 Digital moduleringsmetod med kontrollerad enveloppvariation SE9602001L (sv)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/313,599 US5633893A (en) 1994-09-29 1994-09-29 Digital modulation method with controlled envelope variation
PCT/US1995/012237 WO1996010310A1 (en) 1994-09-29 1995-09-26 Digital modulation method with controlled envelope variation

Publications (2)

Publication Number Publication Date
SE9602001D0 SE9602001D0 (sv) 1996-05-24
SE9602001L true SE9602001L (sv) 1996-07-15

Family

ID=23216366

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9602001A SE9602001L (sv) 1994-09-29 1996-05-24 Digital moduleringsmetod med kontrollerad enveloppvariation

Country Status (8)

Country Link
US (1) US5633893A (sv)
JP (1) JPH09505975A (sv)
CN (1) CN1138397A (sv)
AU (1) AU696917B2 (sv)
CA (1) CA2177583A1 (sv)
MX (1) MX9601905A (sv)
SE (1) SE9602001L (sv)
WO (1) WO1996010310A1 (sv)

Families Citing this family (49)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5784402A (en) * 1995-01-09 1998-07-21 Kamilo Feher FMOD transceivers including continuous and burst operated TDMA, FDMA, spread spectrum CDMA, WCDMA and CSMA
US5920596A (en) * 1995-01-31 1999-07-06 Motorola, Inc. Apparatus for amplifying a signal using a digital processor
CN1090861C (zh) * 1995-06-08 2002-09-11 皇家菲利浦电子有限公司 使用具有调相器和倍频器的发射机的发送系统
US6385257B1 (en) * 1997-01-21 2002-05-07 Sony Corporation Frequency demodulating circuit, optical disk apparatus thereof and preformating device
JP3373385B2 (ja) * 1997-03-06 2003-02-04 富士通株式会社 周波数変調方法及びモデム装置
US6459742B1 (en) * 1997-08-04 2002-10-01 Eads Defence And Security Networks Digital modulation process and modulator implementing the process
US6031431A (en) * 1997-11-07 2000-02-29 Hitachi America, Ltd. Methods and apparatus for implementing modulators and programmable filters
FI106675B (sv) 1998-01-30 2001-03-15 Nokia Networks Oy Förfarande för datakommunikation och radiosystem
US5945885A (en) * 1998-03-05 1999-08-31 Hewlett-Packard Company Digital baseband modulator adaptable to different modulation types
US6078628A (en) * 1998-03-13 2000-06-20 Conexant Systems, Inc. Non-linear constant envelope modulator and transmit architecture
IL124187A (en) * 1998-04-23 2001-10-31 Dspc Israel Ltd π/4 QPSK MODULATOR
WO1999062207A1 (en) * 1998-05-26 1999-12-02 Jean Armstrong Data transmission and reception in multicarrier modulation systems
US6366619B1 (en) * 1998-08-28 2002-04-02 Sicom, Inc. Constrained-envelope transmitter and method therefor
US6087860A (en) * 1998-10-14 2000-07-11 Advanced Micro Devices, Inc. Apparatus and method for generating an envelope for data signals using CMOS
US6731627B1 (en) 1998-11-17 2004-05-04 Cisco Technology, Inc. Virtual loop carrier system
US6301310B1 (en) * 1998-12-14 2001-10-09 Hughes Electronics Corporation Efficient implementation for systems using CEOQPSK
US6504878B1 (en) * 1999-04-15 2003-01-07 Harris Corporation Digitally modulated RF amplifier system having improved adjacent sideband distortion reduction
US6700928B1 (en) 2000-05-11 2004-03-02 The Boeing Company Tetrahedron modem
DE10030390C2 (de) * 2000-06-21 2003-08-07 Infineon Technologies Ag Demodulationsverfahren und Demodulator für CPFSK-modulierte Signale
FR2811842B1 (fr) * 2000-07-12 2002-10-31 Thomson Csf Dispositif pour l'analyse de signaux electromagnetiques
US6621876B2 (en) 2001-03-01 2003-09-16 Ericsson Inc. System and method to reduce phase modulation bandwidth
US6892057B2 (en) * 2002-08-08 2005-05-10 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for reducing dynamic range of a power amplifier
US7551685B2 (en) * 2003-08-25 2009-06-23 M/A-Com, Inc. Apparatus, methods and articles of manufacture for signal correction using adaptive phase re-alignment
DE10300267B4 (de) * 2003-01-08 2006-01-05 Infineon Technologies Ag Demodulation eines frequenzmodulierten Empfangssignals durch Abbilden der Nulldurchgänge auf eine Folge von Parameterwerten
TWI253820B (en) * 2003-09-02 2006-04-21 Novatek Microelectronics Corp Non-coherent frequency shift keying (FSK) transmitter using a digital interpolation synthesizer
US7386581B2 (en) * 2003-12-31 2008-06-10 Stmicroelectronics, Inc. Performance FIR filter
US20060291592A1 (en) * 2004-10-15 2006-12-28 Perrins Erik S Multi-symbol noncoherent CPM detector
US8238478B2 (en) * 2004-10-15 2012-08-07 Quasonix, Llc Multi-symbol noncoherent CPM detector having a trellis structure and a lock detector therefore
US20060140307A1 (en) * 2004-10-15 2006-06-29 Perrins Erik S Multi-symbol noncoherent CPM detector
US7355470B2 (en) 2006-04-24 2008-04-08 Parkervision, Inc. Systems and methods of RF power transmission, modulation, and amplification, including embodiments for amplifier class transitioning
US7327803B2 (en) 2004-10-22 2008-02-05 Parkervision, Inc. Systems and methods for vector power amplification
US20130078934A1 (en) 2011-04-08 2013-03-28 Gregory Rawlins Systems and Methods of RF Power Transmission, Modulation, and Amplification
US8013675B2 (en) 2007-06-19 2011-09-06 Parkervision, Inc. Combiner-less multiple input single output (MISO) amplification with blended control
US7911272B2 (en) 2007-06-19 2011-03-22 Parkervision, Inc. Systems and methods of RF power transmission, modulation, and amplification, including blended control embodiments
US9106316B2 (en) 2005-10-24 2015-08-11 Parkervision, Inc. Systems and methods of RF power transmission, modulation, and amplification
US8334722B2 (en) 2007-06-28 2012-12-18 Parkervision, Inc. Systems and methods of RF power transmission, modulation and amplification
EP1798922A1 (en) * 2005-12-13 2007-06-20 Koninklijke Philips Electronics N.V. Transmitter device and method of transmission with attenuation of unwanted spectra
US8031804B2 (en) 2006-04-24 2011-10-04 Parkervision, Inc. Systems and methods of RF tower transmission, modulation, and amplification, including embodiments for compensating for waveform distortion
US8315336B2 (en) 2007-05-18 2012-11-20 Parkervision, Inc. Systems and methods of RF power transmission, modulation, and amplification, including a switching stage embodiment
US7620129B2 (en) 2007-01-16 2009-11-17 Parkervision, Inc. RF power transmission, modulation, and amplification, including embodiments for generating vector modulation control signals
US8040958B2 (en) * 2007-03-02 2011-10-18 Honda Motor Co., Ltd Method for measuring correlation between frequency response functions
US8879461B2 (en) * 2008-12-01 2014-11-04 Qualcomm Incorporated Blank subframe uplink design
US9313061B2 (en) * 2008-12-17 2016-04-12 Harris Corporation Wireless communication system using selective mapping for memory-less demodulation and related methods
US8290086B2 (en) * 2009-12-09 2012-10-16 Tamal Bose Efficient outphasing transmitter
US8731032B2 (en) 2010-10-12 2014-05-20 Electronics And Telecommunications Research Institute Communication apparatus for continuous phase modulation signal
WO2012167111A2 (en) 2011-06-02 2012-12-06 Parkervision, Inc. Antenna control
CN106415435B (zh) 2013-09-17 2020-08-11 帕克维辛股份有限公司 用于呈现信息承载时间函数的方法、装置和系统
WO2016181875A1 (ja) * 2015-05-14 2016-11-17 ソニー株式会社 送信装置および方法、並びにプログラム
CN112600781B (zh) * 2020-11-08 2023-07-11 南京中感微电子有限公司 一种变包络频移键控调制、解调方法及设备

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2110845A5 (sv) * 1970-10-29 1972-06-02 Ibm France
US3993868A (en) * 1974-08-19 1976-11-23 Rca Corporation Minimum shift keying communication system
US4567602A (en) * 1983-06-13 1986-01-28 Canadian Patents And Development Limited Correlated signal processor
JPS6153839A (ja) * 1984-08-23 1986-03-17 Sony Corp 波形整形装置
GB8505527D0 (en) * 1985-03-04 1985-04-03 Digital Equipment Corp Digitally implemented modulators
US4644561A (en) * 1985-03-20 1987-02-17 International Mobile Machines Corp. Modem for RF subscriber telephone system
US4893316A (en) * 1985-04-04 1990-01-09 Motorola, Inc. Digital radio frequency receiver
US4686490A (en) * 1986-04-07 1987-08-11 Hayes Microcomputer Products, Inc. Digital data modulator and digital-to-analog converter
CH670178A5 (sv) * 1986-06-24 1989-05-12 Bbc Brown Boveri & Cie
US4825448A (en) * 1986-08-07 1989-04-25 International Mobile Machines Corporation Subscriber unit for wireless digital telephone system
US4757519A (en) * 1987-10-02 1988-07-12 Hewlett-Packard Digital premodulation filter
NL8703084A (nl) * 1987-12-21 1989-07-17 Philips Nv Digitaal premodulatiefilter.
US4873500A (en) * 1988-04-29 1989-10-10 Motorola, Inc. Phase accumulation continuous phase modulator
US5121412A (en) * 1989-01-03 1992-06-09 Motorola, Inc. All-digital quadrature modulator
FR2642243B1 (fr) * 1989-01-24 1991-04-19 Labo Electronique Physique Circuit de predistorsion adaptative
US5068874A (en) * 1989-08-07 1991-11-26 Motorola, Inc. Spectrally efficient digital fm modulation system
US5090026A (en) * 1989-09-11 1992-02-18 Electrocom Automation, Inc. Gmsk narrowband modem
US5140613A (en) * 1990-05-25 1992-08-18 Hewlett-Packard Company Baseband modulation system with improved ROM-based digital filter
US5377229A (en) * 1990-12-19 1994-12-27 Motorola, Inc. Multi-modulation scheme compatible radio
US5446760A (en) * 1992-08-31 1995-08-29 Motorola, Inc. Programmable digital pulse shaping phase modulator
US5509033A (en) * 1993-07-29 1996-04-16 Chen; Xiao H. Quadrature overlapping modulation system

Also Published As

Publication number Publication date
CA2177583A1 (en) 1996-04-04
MX9601905A (es) 1997-05-31
AU696917B2 (en) 1998-09-24
CN1138397A (zh) 1996-12-18
SE9602001D0 (sv) 1996-05-24
WO1996010310A1 (en) 1996-04-04
JPH09505975A (ja) 1997-06-10
AU3684095A (en) 1996-04-19
US5633893A (en) 1997-05-27

Similar Documents

Publication Publication Date Title
SE9602001L (sv) Digital moduleringsmetod med kontrollerad enveloppvariation
US5377225A (en) Multiple-access noise rejection filter for a DS-CDMA system
Simon et al. Differential detection of Gaussian MSK in a mobile radio environment
US6973141B1 (en) Flexible multimode QAM modulator
EP0037827B1 (en) Receiver for complex data signals
US9237007B2 (en) Secure modulation and demodulation
JPH02234520A (ja) 適合先行歪ませ回路
KR100492206B1 (ko) 주파수영역무반송파ａｍ－ｐｍ복조기
EP1081907A1 (en) Windowing and frequency-domain equalisation in multicarrier receivers
JPS6347307B2 (sv)
SE9904171L (sv) Transmissionssystem av flerbärvågstyp
Smirnova et al. Influence of the Amplitude Limitation of Signals with the sin (x)/x Envelope on the Spectral and Energy Characteristics
JPS60206248A (ja) 伝送システム
KR100452829B1 (ko) 디지털전송시스템용비대칭필터조합장치
WO2004008705A1 (en) Noise whitening
CA1313267C (en) Conversion filtering for digital signalling systems
SU769748A1 (ru) Адаптивный корректор
US7286621B1 (en) Reception method and receiver array for a duplex transmission system
Vandamme et al. Performance of adaptive data predistortion applied to 2/sup 2N/-QAM radio systems
何茂平 et al. Nonlinear compensation research and simulation of bandlimited QPSK digital satellite channels
JP3522347B2 (ja) 伝送システム及び受信機
FI108323B (sv) Förfarande och anordning för förverkligande av ett självkompenserande bandspärrfilter vid en digital telekommunikationsförbindelse
RU2265277C2 (ru) Способ передачи дискретных сообщений
Hashem et al. New GMSK transmitter structure for mobile radio systems
Cavalcanti et al. A predictive blind equalizer based in Godard's criterion for 256-QAM digital radio systems