CN1090861C - 使用具有调相器和倍频器的发射机的发送系统 - Google Patents

使用具有调相器和倍频器的发射机的发送系统 Download PDF

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Publication number
CN1090861C
CN1090861C CN96190825A CN96190825A CN1090861C CN 1090861 C CN1090861 C CN 1090861C CN 96190825 A CN96190825 A CN 96190825A CN 96190825 A CN96190825 A CN 96190825A CN 1090861 C CN1090861 C CN 1090861C
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China
Prior art keywords
phase
constellation
output
states
transmitter
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Expired - Fee Related
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CN96190825A
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English (en)
Chinese (zh)
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CN1159268A (zh
Inventor
L·库尔
W·H·G·德瓜勒
J·Y·蒂奇利亚
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Koninklijke Philips NV
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Koninklijke Philips Electronics NV
Philips Electronics NV
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Publication of CN1159268A publication Critical patent/CN1159268A/zh
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    • 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

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
CN96190825A 1995-06-08 1996-05-28 使用具有调相器和倍频器的发射机的发送系统 Expired - Fee Related CN1090861C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP95201506.3 1995-06-08
EP95201506 1995-06-08

Publications (2)

Publication Number Publication Date
CN1159268A CN1159268A (zh) 1997-09-10
CN1090861C true CN1090861C (zh) 2002-09-11

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CN96190825A Expired - Fee Related CN1090861C (zh) 1995-06-08 1996-05-28 使用具有调相器和倍频器的发射机的发送系统

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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)

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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
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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
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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

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US5289503A (en) * 1990-09-11 1994-02-22 Ant Nachrichtentechnik Gmbh Method and circuit arrangement for producing a QPSK signal on which a carrier signal is superposed
EP0619666A2 (en) * 1993-04-09 1994-10-12 AT&T Corp. Rotationally invariant trellis coded modulation system
US5363410A (en) * 1991-05-27 1994-11-08 Kabushiki Kaisha Toshiba Modulation circuit for a digital radio communications apparatus using a phase shifted DQPSK modulation system

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JPS56140747A (en) * 1980-04-02 1981-11-04 Nec Corp Three-phase differential psk modulating system
US5289503A (en) * 1990-09-11 1994-02-22 Ant Nachrichtentechnik Gmbh Method and circuit arrangement for producing a QPSK signal on which a carrier signal is superposed
US5363410A (en) * 1991-05-27 1994-11-08 Kabushiki Kaisha Toshiba Modulation circuit for a digital radio communications apparatus using a phase shifted DQPSK modulation system
EP0619666A2 (en) * 1993-04-09 1994-10-12 AT&T Corp. Rotationally invariant trellis coded modulation system

Also Published As

Publication number Publication date
US5903609A (en) 1999-05-11
WO1996042160A3 (en) 1997-01-30
JPH11500882A (ja) 1999-01-19
KR970705273A (ko) 1997-09-06
EP0775410A2 (en) 1997-05-28
WO1996042160A2 (en) 1996-12-27
CN1159268A (zh) 1997-09-10
KR100395584B1 (ko) 2004-02-11

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