WO1996042160A3 - Transmission system using transmitter with phase modulator and frequency multiplier - Google Patents

Transmission system using transmitter with phase modulator and frequency multiplier Download PDF

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Publication number
WO1996042160A3
WO1996042160A3 PCT/IB1996/000508 IB9600508W WO9642160A3 WO 1996042160 A3 WO1996042160 A3 WO 1996042160A3 IB 9600508 W IB9600508 W IB 9600508W WO 9642160 A3 WO9642160 A3 WO 9642160A3
Authority
WO
WIPO (PCT)
Prior art keywords
frequency multiplier
constellation
transmitter
transmission system
phase
Prior art date
Application number
PCT/IB1996/000508
Other languages
French (fr)
Other versions
WO1996042160A2 (en
Inventor
Leo Kool
Wilhelmus Hendrikus G Deguelle
Johannes Yzebrand Tichelaar
Original Assignee
Philips Electronics Nv
Philips Norden Ab
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 Philips Electronics Nv, Philips Norden Ab filed Critical Philips Electronics Nv
Priority to EP96913687A priority Critical patent/EP0775410A2/en
Priority to JP9502843A priority patent/JPH11500882A/en
Publication of WO1996042160A2 publication Critical patent/WO1996042160A2/en
Publication of WO1996042160A3 publication Critical patent/WO1996042160A3/en

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

Abstract

In a transmission system for transmitting digital symbols according to a phase constellation, a transmitter (2) is provided with a phase modulator (8) and a frequency multiplier (18) to obtain a modulated carrier signal. To prevent degradation of the modulated carrier signal, the input constellation of the frequency multiplier (18) has at least one additional phase state with respect to the output constellation of the frequency multiplier. Advantageously, the number of phase states of the constellation at the input of the frequency multiplier (18) is N times the number of phase states of the constellation at the output of the frequency multipplier (18).
PCT/IB1996/000508 1995-06-08 1996-05-28 Transmission system using transmitter with phase modulator and frequency multiplier WO1996042160A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP96913687A EP0775410A2 (en) 1995-06-08 1996-05-28 Transmission system using transmitter with phase modulator and frequency multiplier
JP9502843A JPH11500882A (en) 1995-06-08 1996-05-28 Transmission system using transmitter with phase modulator and frequency multiplier

Applications Claiming Priority (2)

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

Publications (2)

Publication Number Publication Date
WO1996042160A2 WO1996042160A2 (en) 1996-12-27
WO1996042160A3 true WO1996042160A3 (en) 1997-01-30

Family

ID=8220364

Family Applications (1)

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

Country Status (6)

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

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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
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
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US7065162B1 (en) 1999-04-16 2006-06-20 Parkervision, Inc. Method and system for down-converting an electromagnetic signal, and transforms for same
US7693230B2 (en) 1999-04-16 2010-04-06 Parkervision, Inc. Apparatus and method of differential IQ frequency up-conversion
US8295406B1 (en) 1999-08-04 2012-10-23 Parkervision, Inc. Universal platform module for a plurality of communication protocols
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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
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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
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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
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Also Published As

Publication number Publication date
JPH11500882A (en) 1999-01-19
WO1996042160A2 (en) 1996-12-27
CN1159268A (en) 1997-09-10
CN1090861C (en) 2002-09-11
EP0775410A2 (en) 1997-05-28
KR970705273A (en) 1997-09-06
KR100395584B1 (en) 2004-02-11
US5903609A (en) 1999-05-11

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