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DE60044517D1 - Vorrichtung und Verfahren für drahtlose digitale Kommunikationen - Google Patents

Vorrichtung und Verfahren für drahtlose digitale Kommunikationen

Info

Publication number
DE60044517D1
DE60044517D1 DE60044517T DE60044517T DE60044517D1 DE 60044517 D1 DE60044517 D1 DE 60044517D1 DE 60044517 T DE60044517 T DE 60044517T DE 60044517 T DE60044517 T DE 60044517T DE 60044517 D1 DE60044517 D1 DE 60044517D1
Authority
DE
Germany
Prior art keywords
digital communications
wireless digital
wireless
communications
digital
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.)
Expired - Lifetime
Application number
DE60044517T
Other languages
English (en)
Inventor
Yutaka Murakami
Shinichiro Takabayashi
Masayuki Orihashi
Akihiko Matsuoka
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.)
Panasonic Corp
Original Assignee
Panasonic 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 Panasonic Corp filed Critical Panasonic Corp
Application granted granted Critical
Publication of DE60044517D1 publication Critical patent/DE60044517D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/04—Speed or phase control by synchronisation signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0008—Modulated-carrier systems arrangements for allowing a transmitter or receiver to use more than one type of 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
    • H04L27/20—Modulator circuits; Transmitter circuits
    • H04L27/2032—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner
    • H04L27/2053—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using more than one carrier, e.g. carriers with different phases
    • H04L27/206—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using more than one carrier, e.g. carriers with different phases using a pair of orthogonal carriers, e.g. quadrature carriers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/3405—Modifications of the signal space to increase the efficiency of transmission, e.g. reduction of the bit error rate, bandwidth, or average power
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/345—Modifications of the signal space to allow the transmission of additional information
    • H04L27/3455—Modifications of the signal space to allow the transmission of additional information in order to facilitate carrier recovery at the receiver end, e.g. by transmitting a pilot or by using additional signal points to allow the detection of rotations
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/04—Speed or phase control by synchronisation signals
    • H04L7/06—Speed or phase control by synchronisation signals the synchronisation signals differing from the information signals in amplitude, polarity or frequency or length
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0024—Carrier regulation at the receiver end
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0083—Signalling arrangements
    • H04L2027/0087—Out-of-band signals, (e.g. pilots)
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0083—Signalling arrangements
    • H04L2027/0089—In-band signals
    • H04L2027/0093—Intermittant signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
DE60044517T 1999-01-19 2000-01-17 Vorrichtung und Verfahren für drahtlose digitale Kommunikationen Expired - Lifetime DE60044517D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1014699 1999-01-19
JP21326499 1999-07-28

Publications (1)

Publication Number Publication Date
DE60044517D1 true DE60044517D1 (de) 2010-07-15

Family

ID=26345354

Family Applications (2)

Application Number Title Priority Date Filing Date
DE60044517T Expired - Lifetime DE60044517D1 (de) 1999-01-19 2000-01-17 Vorrichtung und Verfahren für drahtlose digitale Kommunikationen
DE60036742T Expired - Lifetime DE60036742T2 (de) 1999-01-19 2000-01-17 Vorrichtung und Verfahren zur schnurrlosen digitalen Übertragung

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE60036742T Expired - Lifetime DE60036742T2 (de) 1999-01-19 2000-01-17 Vorrichtung und Verfahren zur schnurrlosen digitalen Übertragung

Country Status (4)

Country Link
US (11) US6608868B1 (de)
EP (7) EP1022874B1 (de)
CN (3) CN100544340C (de)
DE (2) DE60044517D1 (de)

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US7599627B2 (en) 2001-05-31 2009-10-06 Teradvance Communications, Llc Method and system for a polarization mode dispersion tolerant optical homodyne detection system with optimized transmission modulation
JP3997890B2 (ja) 2001-11-13 2007-10-24 松下電器産業株式会社 送信方法及び送信装置
JP3840435B2 (ja) * 2002-07-05 2006-11-01 松下電器産業株式会社 無線通信基地局装置、無線通信移動局装置および無線通信方法
JP2004153466A (ja) * 2002-10-29 2004-05-27 Matsushita Electric Ind Co Ltd 受信方法、受信装置及び無線伝送システム
US7289551B2 (en) * 2003-06-27 2007-10-30 Nokia Siemens Corporation System, method and computer program product for demodulating quadrature amplitude modulated signals
US7359445B2 (en) * 2003-06-27 2008-04-15 Nokia Corporation System, method and computer program product for demodulating quadrature amplitude modulated signals based upon a speed of a receiver
US7680278B2 (en) * 2004-02-04 2010-03-16 Microsoft Corporation Domino scheme for wireless cryptographic communication and communication method incorporating same
US7627054B2 (en) * 2004-04-26 2009-12-01 Vicente Diaz Fuente Device and method for improving the signal to noise ratio by means of complementary sequences
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EP2136507A1 (de) * 2007-03-15 2009-12-23 Panasonic Corporation Drahtloses kommunikationsgerät und zugangspunktverbindungsverfahren
US7652980B2 (en) * 2007-11-02 2010-01-26 Nokia Corporation Orthogonal frequency division multiplexing synchronization
CN101646232B (zh) * 2008-07-18 2014-07-02 美满电子科技(上海)有限公司 频偏估计方法、装置以及通信设备
CN101808067B (zh) * 2010-03-04 2012-11-14 清华大学 利用差分数据作为导频的ofdm信号收发方法及其装置
CN102946368B (zh) * 2012-12-11 2016-03-23 西安电子科技大学 多径衰落信道下含有频偏和相偏的数字调制信号识别方法
EP2985966B1 (de) * 2013-04-12 2017-06-07 Sun Patent Trust Übertragungsvorrichtung
EP3223446A1 (de) * 2016-03-22 2017-09-27 Xieon Networks S.à r.l. Verfahren zum schutz einer verbindung in einem optischen netzwerk
CN110224807A (zh) * 2019-05-28 2019-09-10 湖北三江航天险峰电子信息有限公司 一种基于agc频偏预估的载波同步方法及系统
CN110324269B (zh) * 2019-06-24 2022-01-04 西安空间无线电技术研究所 一种高速解调器的符号同步系统及实现方法
WO2021021007A1 (en) * 2019-07-29 2021-02-04 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for phase-aided adaptive modulation

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Also Published As

Publication number Publication date
EP1022874A2 (de) 2000-07-26
EP2262162A3 (de) 2012-01-11
US20130251008A1 (en) 2013-09-26
EP2262162B1 (de) 2014-12-31
CN1543155A (zh) 2004-11-03
US7359454B2 (en) 2008-04-15
US8687677B2 (en) 2014-04-01
CN1913516B (zh) 2013-03-27
US8442158B2 (en) 2013-05-14
US6748023B2 (en) 2004-06-08
EP2101440A2 (de) 2009-09-16
EP1022874A3 (de) 2005-03-09
US20070268987A1 (en) 2007-11-22
US6738430B2 (en) 2004-05-18
EP2262162A2 (de) 2010-12-15
EP2101440A3 (de) 2011-12-21
US20110085590A1 (en) 2011-04-14
US7630455B2 (en) 2009-12-08
DE60036742T2 (de) 2008-02-07
EP2262161A2 (de) 2010-12-15
EP1843506A3 (de) 2007-10-31
US20030194020A1 (en) 2003-10-16
EP2262159B1 (de) 2014-11-12
EP2262160A2 (de) 2010-12-15
US7873124B2 (en) 2011-01-18
US6608868B1 (en) 2003-08-19
CN1913516A (zh) 2007-02-14
EP2262160A3 (de) 2012-01-11
US20040161054A1 (en) 2004-08-19
EP2262159A3 (de) 2012-01-11
CN1262567A (zh) 2000-08-09
EP2262160B1 (de) 2014-03-12
US7711064B2 (en) 2010-05-04
EP2101440B1 (de) 2013-03-20
EP1843506A2 (de) 2007-10-10
US20100172444A1 (en) 2010-07-08
EP2262161A3 (de) 2012-01-11
US20090103650A1 (en) 2009-04-23
US20120082268A1 (en) 2012-04-05
US7492833B2 (en) 2009-02-17
DE60036742D1 (de) 2007-11-29
US20030194021A1 (en) 2003-10-16
EP1843506B1 (de) 2010-06-02
US8098772B2 (en) 2012-01-17
EP2262159A2 (de) 2010-12-15
EP2262161B1 (de) 2014-03-12
EP1022874B1 (de) 2007-10-17
US20080260069A1 (en) 2008-10-23
CN100544340C (zh) 2009-09-23
CN1171424C (zh) 2004-10-13

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