JPH11500882A - 位相変調器及び周波数逓倍器を備えた送信器を用いる伝送システム - Google Patents

位相変調器及び周波数逓倍器を備えた送信器を用いる伝送システム

Info

Publication number
JPH11500882A
JPH11500882A JP9502843A JP50284397A JPH11500882A JP H11500882 A JPH11500882 A JP H11500882A JP 9502843 A JP9502843 A JP 9502843A JP 50284397 A JP50284397 A JP 50284397A JP H11500882 A JPH11500882 A JP H11500882A
Authority
JP
Japan
Prior art keywords
phase
constellation
signal
output
states
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.)
Ceased
Application number
JP9502843A
Other languages
English (en)
Japanese (ja)
Other versions
JPH11500882A5 (enExample
Inventor
クール，レオ
ヘンドリクス ゲラルドゥス デグエレ，ウィルヘルムス
イゼブランド ティチェラール，ヨハネス
Original Assignee
フィリップス エレクトロニクス エヌ ベー
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 フィリップス エレクトロニクス エヌ ベー filed Critical フィリップス エレクトロニクス エヌ ベー
Publication of JPH11500882A publication Critical patent/JPH11500882A/ja
Publication of JPH11500882A5 publication Critical patent/JPH11500882A5/ja
Ceased 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
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/20—Modulator circuits; Transmitter circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
JP9502843A 1995-06-08 1996-05-28 位相変調器及び周波数逓倍器を備えた送信器を用いる伝送システム Ceased JPH11500882A (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
NL95201506.3 1995-06-08
EP95201506 1995-06-08
PCT/IB1996/000508 WO1996042160A2 (en) 1995-06-08 1996-05-28 Transmission system using transmitter with phase modulator and frequency multiplier

Publications (2)

Publication Number Publication Date
JPH11500882A true JPH11500882A (ja) 1999-01-19
JPH11500882A5 JPH11500882A5 (enExample) 2004-07-29

Family

ID=8220364

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9502843A Ceased JPH11500882A (ja) 1995-06-08 1996-05-28 位相変調器及び周波数逓倍器を備えた送信器を用いる伝送システム

Country Status (6)

Country Link
US (1) US5903609A (enExample)
EP (1) EP0775410A2 (enExample)
JP (1) JPH11500882A (enExample)
KR (1) KR100395584B1 (enExample)
CN (1) CN1090861C (enExample)
WO (1) WO1996042160A2 (enExample)

Families Citing this family (66)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0813315A3 (en) * 1996-06-13 1998-06-10 Canon Kabushiki Kaisha Spread spectrum QAM transmission
US5834985A (en) * 1996-12-20 1998-11-10 Telefonaktiebolaget L M Ericsson (Publ) Digital continuous phase modulation for a DDS-driven phase locked loop
GB2328591B (en) * 1997-08-21 2003-03-05 Comm & Control Electronics Ltd Local communication system and apparatus for use therein
SE514795C2 (sv) * 1997-10-03 2001-04-23 Ericsson Telefon Ab L M Anordning och förfarande för upp- och nedkonvertering
US6002923A (en) * 1997-11-07 1999-12-14 Telefonaktiebolaget Lm Ericsson Signal generation in a communications transmitter
FR2777145B1 (fr) * 1998-04-02 2000-04-28 Alsthom Cge Alcatel Modulateur multiporteuses large bande et procede de programmation correspondant
FI104773B (fi) * 1998-04-17 2000-03-31 Nokia Networks Oy Menetelmä ja järjestely signaalin moduloimiseksi
FI980911L (fi) 1998-04-24 1999-10-25 Nokia Networks Oy Resonaattorirakenne
EP0961515B1 (en) * 1998-05-29 2002-07-03 Alcatel Data modulation method, and related modulator and demodulator devices
US7515896B1 (en) 1998-10-21 2009-04-07 Parkervision, Inc. Method and system for down-converting an electromagnetic signal, and transforms for same, and aperture relationships
US6694128B1 (en) 1998-08-18 2004-02-17 Parkervision, Inc. Frequency synthesizer using universal frequency translation technology
US6061551A (en) 1998-10-21 2000-05-09 Parkervision, Inc. Method and system for down-converting electromagnetic signals
US6091940A (en) 1998-10-21 2000-07-18 Parkervision, Inc. Method and system for frequency up-conversion
US6813485B2 (en) 1998-10-21 2004-11-02 Parkervision, Inc. Method and system for down-converting and up-converting an electromagnetic signal, and transforms for same
US7295826B1 (en) 1998-10-21 2007-11-13 Parkervision, Inc. Integrated frequency translation and selectivity with gain control functionality, and applications thereof
US7236754B2 (en) 1999-08-23 2007-06-26 Parkervision, Inc. Method and system for frequency up-conversion
US6049706A (en) 1998-10-21 2000-04-11 Parkervision, Inc. Integrated frequency translation and selectivity
US6542722B1 (en) 1998-10-21 2003-04-01 Parkervision, Inc. Method and system for frequency up-conversion with variety of transmitter configurations
US6061555A (en) 1998-10-21 2000-05-09 Parkervision, Inc. Method and system for ensuring reception of a communications signal
US7039372B1 (en) 1998-10-21 2006-05-02 Parkervision, Inc. Method and system for frequency up-conversion with modulation embodiments
US7027786B1 (en) 1998-10-21 2006-04-11 Parkervision, Inc. Carrier and clock recovery using universal frequency translation
US6370371B1 (en) 1998-10-21 2002-04-09 Parkervision, Inc. Applications of universal frequency translation
US6560301B1 (en) 1998-10-21 2003-05-06 Parkervision, Inc. Integrated frequency translation and selectivity with a variety of filter embodiments
US6704549B1 (en) 1999-03-03 2004-03-09 Parkvision, Inc. Multi-mode, multi-band communication system
US6704558B1 (en) 1999-01-22 2004-03-09 Parkervision, Inc. Image-reject down-converter and embodiments thereof, such as the family radio service
US7006805B1 (en) 1999-01-22 2006-02-28 Parker Vision, Inc. Aliasing communication system with multi-mode and multi-band functionality and embodiments thereof, such as the family radio service
US6853690B1 (en) 1999-04-16 2005-02-08 Parkervision, Inc. Method, system and apparatus for balanced frequency up-conversion of a baseband signal and 4-phase receiver and transceiver embodiments
US6873836B1 (en) 1999-03-03 2005-03-29 Parkervision, Inc. Universal platform module and methods and apparatuses relating thereto enabled by universal frequency translation technology
US6879817B1 (en) 1999-04-16 2005-04-12 Parkervision, Inc. DC offset, re-radiation, and I/Q solutions using universal frequency translation technology
US7110435B1 (en) 1999-03-15 2006-09-19 Parkervision, Inc. Spread spectrum applications of universal frequency translation
US7110444B1 (en) 1999-08-04 2006-09-19 Parkervision, Inc. Wireless local area network (WLAN) using universal frequency translation technology including multi-phase embodiments and circuit implementations
US7693230B2 (en) 1999-04-16 2010-04-06 Parkervision, Inc. Apparatus and method of differential IQ frequency up-conversion
US7065162B1 (en) 1999-04-16 2006-06-20 Parkervision, Inc. Method and system for down-converting an electromagnetic signal, and transforms for same
US8295406B1 (en) 1999-08-04 2012-10-23 Parkervision, Inc. Universal platform module for a plurality of communication protocols
US7054296B1 (en) 1999-08-04 2006-05-30 Parkervision, Inc. Wireless local area network (WLAN) technology and applications including techniques of universal frequency translation
US7072390B1 (en) 1999-08-04 2006-07-04 Parkervision, Inc. Wireless local area network (WLAN) using universal frequency translation technology including multi-phase embodiments
US7082171B1 (en) 1999-11-24 2006-07-25 Parkervision, Inc. Phase shifting applications of universal frequency translation
US6963734B2 (en) 1999-12-22 2005-11-08 Parkervision, Inc. Differential frequency down-conversion using techniques of universal frequency translation technology
US7292835B2 (en) 2000-01-28 2007-11-06 Parkervision, Inc. Wireless and wired cable modem applications of universal frequency translation technology
US7010286B2 (en) 2000-04-14 2006-03-07 Parkervision, Inc. Apparatus, system, and method for down-converting and up-converting electromagnetic signals
US7554508B2 (en) 2000-06-09 2009-06-30 Parker Vision, Inc. Phased array antenna applications on universal frequency translation
US7010559B2 (en) 2000-11-14 2006-03-07 Parkervision, Inc. Method and apparatus for a parallel correlator and applications thereof
US7454453B2 (en) 2000-11-14 2008-11-18 Parkervision, Inc. Methods, systems, and computer program products for parallel correlation and applications thereof
US6823178B2 (en) 2001-02-14 2004-11-23 Ydi Wireless, Inc. High-speed point-to-point modem-less microwave radio frequency link using direct frequency modulation
FR2824205B1 (fr) * 2001-04-27 2004-11-05 Thomson Csf Procede de multiplication de frequence dans un equipement de radiocommunication
FR2824206A1 (fr) * 2001-04-27 2002-10-31 Thomson Csf Procede de generation de modulation par division de frequence suivi de mulitplication de frequence
US6741139B2 (en) 2001-05-22 2004-05-25 Ydi Wirelesss, Inc. Optical to microwave converter using direct modulation phase shift keying
US6844786B2 (en) * 2001-08-21 2005-01-18 Associated Universities, Inc. Millimeter- and submillimeter-wave noise generator
WO2003028257A1 (en) * 2001-09-24 2003-04-03 Ydi Wireless, Inc. Optical to microwave converter using direct modulation
US7072427B2 (en) 2001-11-09 2006-07-04 Parkervision, Inc. Method and apparatus for reducing DC offsets in a communication system
US7085335B2 (en) 2001-11-09 2006-08-01 Parkervision, Inc. Method and apparatus for reducing DC offsets in a communication system
US6975848B2 (en) 2002-06-04 2005-12-13 Parkervision, Inc. Method and apparatus for DC offset removal in a radio frequency communication channel
US7321640B2 (en) 2002-06-07 2008-01-22 Parkervision, Inc. Active polyphase inverter filter for quadrature signal generation
US7379883B2 (en) 2002-07-18 2008-05-27 Parkervision, Inc. Networking methods and systems
US7460584B2 (en) 2002-07-18 2008-12-02 Parkervision, Inc. Networking methods and systems
US20050152437A1 (en) * 2004-01-12 2005-07-14 Torben Baras Modulation and transmission methods to provide a wireless link and transmitter circuit for providing a wireless link
JP2007027961A (ja) * 2005-07-13 2007-02-01 Niigata Seimitsu Kk 変調回路
US8861627B2 (en) * 2009-07-15 2014-10-14 Fujitsu Limited Direct mm-wave m-ary quadrature amplitude modulation (QAM) modulator operating in saturated power mode
US8782489B2 (en) 2010-02-18 2014-07-15 Hughes Network Systems, Llc Method and system for providing Low Density Parity Check (LDPC) encoding and decoding
US8674758B2 (en) * 2011-12-15 2014-03-18 Hughes Network Systems, Llc Method and apparatus for improved high order modulation
US8972834B2 (en) 2012-08-28 2015-03-03 Hughes Network Systems, Llc System and method for communicating with low density parity check codes
US8848831B2 (en) 2012-09-20 2014-09-30 Lsi Corporation Direct digital synthesis of quadrature modulated signals
US9246634B2 (en) 2013-02-10 2016-01-26 Hughes Network Systems, Llc Apparatus and method for improved modulation and coding schemes for broadband satellite communications systems
US8887024B2 (en) 2013-02-10 2014-11-11 Hughes Network Systems, Llc Apparatus and method for improved modulation and coding schemes for broadband satellite communications systems
US9294131B2 (en) 2013-02-10 2016-03-22 Hughes Network Systems, Llc Apparatus and method for improved modulation and coding schemes for broadband satellite communications systems
EP2974037B1 (en) 2013-03-15 2018-10-03 Hughes Network Systems, LLC Low density parity check (ldpc) encoding and decoding for small terminal applications

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3798371A (en) * 1971-10-08 1974-03-19 Collins Radio Co Data modem apparatus
US3854094A (en) * 1972-11-01 1974-12-10 Regency Electronics Crystal controlled, frequency modulated transmitter
JPS592419B2 (ja) * 1977-03-08 1984-01-18 日本電気株式会社 位相変調装置
JPS56140747A (en) * 1980-04-02 1981-11-04 Nec Corp Three-phase differential psk modulating system
FR2539261B1 (fr) * 1983-01-07 1989-07-13 Telecommunications Sa Emetteur pour faisceaux hertziens numeriques a multi-etats
DE4028791A1 (de) * 1990-09-11 1992-03-12 Ant Nachrichtentech Verfahren zum erzeugen eines mit einem traegersignal ueberlagerten qpsk-signals
JP3342877B2 (ja) * 1991-05-27 2002-11-11 株式会社東芝 ディジタル無線通信装置とその変調回路
US5233628A (en) * 1991-05-29 1993-08-03 Virginia Polytechnic Institute And State University Computer-based bit error simulation for digital wireless communications
FR2689712B1 (fr) * 1992-04-03 1994-08-19 Alcatel Telspace Dispositif de démodulation de signaux numériques modulés selon une technique à constellations de modulation alternées.
US5237292A (en) * 1992-07-01 1993-08-17 Space Systems/Loral Quadrature amplitude modulation system with compensation for transmission system characteristics
JPH06231406A (ja) * 1993-02-04 1994-08-19 Hitachi Ltd 磁気記録再生方法および磁気記録再生装置
US5418798A (en) * 1993-04-09 1995-05-23 At&T Corp. Multidimensional trellis-coded communication system
US5438592A (en) * 1994-03-31 1995-08-01 At&T Corp. PI/4-DQPSK phase state encoder/decoder
US5633893A (en) * 1994-09-29 1997-05-27 Ericsson Inc. Digital modulation method with controlled envelope variation

Also Published As

Publication number Publication date
US5903609A (en) 1999-05-11
WO1996042160A3 (en) 1997-01-30
KR970705273A (ko) 1997-09-06
EP0775410A2 (en) 1997-05-28
WO1996042160A2 (en) 1996-12-27
CN1090861C (zh) 2002-09-11
CN1159268A (zh) 1997-09-10
KR100395584B1 (ko) 2004-02-11

Similar Documents

Publication Publication Date Title
JPH11500882A (ja) 位相変調器及び周波数逓倍器を備えた送信器を用いる伝送システム
AU696917B2 (en) Digital modulation method with controlled envelope variation
US5825242A (en) Modulator/demodulator using baseband filtering
US6141387A (en) Digital QAM modulator using post filtering carrier recombination
EP0716526B1 (en) Method of producing modulating waveforms with constant envelope
EP0917325B1 (en) Single sideband transmission of QPSK, QAM and other signals
JPH0681169B2 (ja) 直角変調の方法とその装置
US20030147472A1 (en) High speed QPSK MMIC and QAM modulator
US6560296B1 (en) Method and apparatus for modulating digital data
CN100395958C (zh) 使用零if进行再调制的方法及系统
US6301310B1 (en) Efficient implementation for systems using CEOQPSK
US7138882B2 (en) Architecture for universal modulator
EP0516484B1 (en) MSK-modulator
JP3409136B2 (ja) ディジタル放送用直交変調装置
Sorace Digital-to-RF conversion for a vector modulator
JP2002152293A (ja) 変調回路
EP2381634A1 (en) RF modulation and demodulation
JP2001044859A (ja) 送信機
JPH08317010A (ja) ディジタル変調波の変調装置
JPH0846660A (ja) デジタル信号変調回路
Glas et al. Method and Apparatus for Modulating Digital Data
WO2011131961A1 (en) Rf modulation and demodulation

Legal Events

Date Code Title Description
A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20050517

A313 Final decision of rejection without a dissenting response from the applicant

Free format text: JAPANESE INTERMEDIATE CODE: A313

Effective date: 20050926

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20051101