DE60036742D1 - Vorrichtung und Verfahren zur schnurrlosen digitalen Übertragung - Google Patents
Vorrichtung und Verfahren zur schnurrlosen digitalen ÜbertragungInfo
- Publication number
- DE60036742D1 DE60036742D1 DE60036742T DE60036742T DE60036742D1 DE 60036742 D1 DE60036742 D1 DE 60036742D1 DE 60036742 T DE60036742 T DE 60036742T DE 60036742 T DE60036742 T DE 60036742T DE 60036742 D1 DE60036742 D1 DE 60036742D1
- Authority
- DE
- Germany
- Prior art keywords
- digital transmission
- truncated digital
- truncated
- transmission
- 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
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)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1014699 | 1999-01-19 | ||
JP1014699 | 1999-01-19 | ||
JP21326499 | 1999-07-28 | ||
JP21326499 | 1999-07-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE60036742D1 true DE60036742D1 (de) | 2007-11-29 |
DE60036742T2 DE60036742T2 (de) | 2008-02-07 |
Family
ID=26345354
Family Applications (2)
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 |
DE60044517T Expired - Lifetime DE60044517D1 (de) | 1999-01-19 | 2000-01-17 | Vorrichtung und Verfahren für drahtlose digitale Kommunikationen |
Family Applications After (1)
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 |
Country Status (4)
Country | Link |
---|---|
US (11) | US6608868B1 (de) |
EP (7) | EP2262161B1 (de) |
CN (3) | CN1171424C (de) |
DE (2) | DE60036742T2 (de) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6608868B1 (en) | 1999-01-19 | 2003-08-19 | Matsushita Electric Industrial Co., Ltd. | Apparatus and method for digital wireless communications |
AU2002214922A1 (en) * | 2000-08-31 | 2002-04-08 | Huawei Technologies Co., Ltd. | Method and apparatuses of 8psk modulation |
US7023933B2 (en) * | 2000-10-20 | 2006-04-04 | Matsushita Electric Industrial Co., Ltd. | Radio communication apparatus |
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 |
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 |
US7289551B2 (en) * | 2003-06-27 | 2007-10-30 | Nokia Siemens Corporation | System, method and computer program product for demodulating quadrature amplitude modulated signals |
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 |
CN101248608B (zh) | 2005-08-24 | 2012-03-14 | 松下电器产业株式会社 | 多入多出-正交频分复用发送装置和多入多出-正交频分复用发送方法 |
GB2443239A (en) * | 2006-10-24 | 2008-04-30 | Stream Technology Ltd M | Telecommunication system with simplified receiver |
JP5031023B2 (ja) * | 2007-03-15 | 2012-09-19 | パナソニック株式会社 | 無線通信装置およびアクセスポイント接続方法 |
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 |
Family Cites Families (32)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5381449A (en) * | 1990-06-12 | 1995-01-10 | Motorola, Inc. | Peak to average power ratio reduction methodology for QAM communications systems |
US5519730A (en) * | 1990-06-12 | 1996-05-21 | Jasper; Steven C. | Communication signal having a time domain pilot component |
US5241544A (en) * | 1991-11-01 | 1993-08-31 | Motorola, Inc. | Multi-channel tdm communication system slot phase correction |
US5425027A (en) * | 1993-01-04 | 1995-06-13 | Com21, Inc. | Wide area fiber and TV cable fast packet cell network |
US5414734A (en) * | 1993-01-06 | 1995-05-09 | Glenayre Electronics, Inc. | Compensation for multi-path interference using pilot symbols |
JPH06268574A (ja) * | 1993-03-11 | 1994-09-22 | Hitachi Ltd | セルラ移動通信システム |
US5870393A (en) * | 1995-01-20 | 1999-02-09 | Hitachi, Ltd. | Spread spectrum communication system and transmission power control method therefor |
US5533048A (en) * | 1993-07-28 | 1996-07-02 | Celeritas Technologies, Ltd. | Apparatus and method for compensating for limiter induced non-linear distortion in a wireless data communication system |
CN1124716C (zh) * | 1993-09-10 | 2003-10-15 | 德国汤姆逊-布朗特公司 | 在ofdm系统中传输参考信号的方法 |
KR0145047B1 (ko) * | 1993-09-28 | 1998-07-15 | 김광호 | 디지탈신호 기록/재생장치의 변조 및 복조회로 |
JP3463828B2 (ja) * | 1994-11-21 | 2003-11-05 | ソニー株式会社 | 送信機 |
US5659578A (en) * | 1994-11-23 | 1997-08-19 | At&T Wireless Services, Inc. | High rate Reed-Solomon concatenated trellis coded 16 star QAM system for transmission of data over cellular mobile radio |
US5659728A (en) * | 1994-12-30 | 1997-08-19 | International Business Machines Corporation | System and method for generating uniqueness information for optimizing an SQL query |
JP3145003B2 (ja) * | 1995-03-23 | 2001-03-12 | 株式会社東芝 | 直交周波数分割多重伝送方式とその送信装置および受信装置 |
JP2863993B2 (ja) * | 1995-06-22 | 1999-03-03 | 松下電器産業株式会社 | Cdma無線多重送信装置およびcdma無線多重伝送装置およびcdma無線受信装置およびcdma無線多重送信方法 |
JP3125644B2 (ja) * | 1995-09-13 | 2001-01-22 | 松下電器産業株式会社 | 復調装置 |
JP2903104B2 (ja) | 1995-09-22 | 1999-06-07 | 郵政省通信総合研究所長 | ディジタル移動無線通信方式 |
JP3759233B2 (ja) * | 1996-04-19 | 2006-03-22 | ローム株式会社 | 光通信用デバイス |
US5914959A (en) * | 1996-10-31 | 1999-06-22 | Glenayre Electronics, Inc. | Digital communications system having an automatically selectable transmission rate |
JPH10336144A (ja) | 1997-05-29 | 1998-12-18 | Matsushita Electric Ind Co Ltd | 符号分割多元接続移動体通信装置 |
JP3655057B2 (ja) * | 1997-07-19 | 2005-06-02 | 松下電器産業株式会社 | Cdma送信装置及びcdma送信方法 |
US6157679A (en) * | 1997-10-17 | 2000-12-05 | Motorola, Inc. | Method of adding encryption/encoding element to the modulation/demodulation process |
US6301237B1 (en) | 1997-12-30 | 2001-10-09 | Matsushita Electric Industrial Co., Ltd. | CDMA radio multiplex transmitting device and a CDMA radio multiplex receiving device |
JP3166705B2 (ja) * | 1998-04-16 | 2001-05-14 | 松下電器産業株式会社 | 無線装置及び送信方法 |
AUPP748698A0 (en) * | 1998-12-03 | 1998-12-24 | Gryffin Pty Ltd | Deflection sensors |
US6608868B1 (en) * | 1999-01-19 | 2003-08-19 | Matsushita Electric Industrial Co., Ltd. | Apparatus and method for digital wireless communications |
JP3779092B2 (ja) * | 1999-05-12 | 2006-05-24 | 松下電器産業株式会社 | 送受信装置 |
US6259728B1 (en) * | 1999-06-08 | 2001-07-10 | Lucent Technologies Inc. | Data communication system and method |
JP4284773B2 (ja) * | 1999-09-07 | 2009-06-24 | ソニー株式会社 | 送信装置、受信装置、通信システム、送信方法及び通信方法 |
US6580705B1 (en) * | 1999-10-28 | 2003-06-17 | Lucent Technologies Inc. | Signal combining scheme for wireless transmission systems having multiple modulation schemes |
US7508842B2 (en) * | 2005-08-18 | 2009-03-24 | Motorola, Inc. | Method and apparatus for pilot signal transmission |
US9363126B2 (en) * | 2007-12-21 | 2016-06-07 | Google Technology Holdings LLC | Method and apparatus for IFDMA receiver architecture |
-
2000
- 2000-01-14 US US09/482,892 patent/US6608868B1/en not_active Expired - Lifetime
- 2000-01-17 EP EP10012919.6A patent/EP2262161B1/de not_active Expired - Lifetime
- 2000-01-17 EP EP09008471A patent/EP2101440B1/de not_active Expired - Lifetime
- 2000-01-17 EP EP10012918.8A patent/EP2262160B1/de not_active Expired - Lifetime
- 2000-01-17 EP EP00100828A patent/EP1022874B1/de not_active Expired - Lifetime
- 2000-01-17 DE DE60036742T patent/DE60036742T2/de not_active Expired - Lifetime
- 2000-01-17 DE DE60044517T patent/DE60044517D1/de not_active Expired - Lifetime
- 2000-01-17 EP EP10012929.5A patent/EP2262162B1/de not_active Expired - Lifetime
- 2000-01-17 EP EP07014948A patent/EP1843506B1/de not_active Expired - Lifetime
- 2000-01-17 EP EP10012917.0A patent/EP2262159B1/de not_active Expired - Lifetime
- 2000-01-19 CN CNB001011332A patent/CN1171424C/zh not_active Expired - Lifetime
- 2000-01-19 CN CN200410035135.8A patent/CN100544340C/zh not_active Expired - Lifetime
- 2000-01-19 CN CN200610095899.5A patent/CN1913516B/zh not_active Expired - Lifetime
-
2003
- 2003-05-02 US US10/427,992 patent/US6748023B2/en not_active Expired - Lifetime
- 2003-05-28 US US10/445,808 patent/US6738430B2/en not_active Expired - Lifetime
-
2004
- 2004-02-20 US US10/781,839 patent/US7359454B2/en not_active Expired - Lifetime
-
2007
- 2007-07-31 US US11/831,383 patent/US7492833B2/en not_active Expired - Fee Related
-
2008
- 2008-06-17 US US12/140,483 patent/US7630455B2/en not_active Expired - Fee Related
- 2008-12-29 US US12/345,297 patent/US7711064B2/en not_active Expired - Fee Related
-
2010
- 2010-03-15 US US12/724,098 patent/US7873124B2/en not_active Expired - Fee Related
- 2010-12-17 US US12/971,564 patent/US8098772B2/en not_active Expired - Fee Related
-
2011
- 2011-12-13 US US13/324,389 patent/US8442158B2/en not_active Expired - Fee Related
-
2013
- 2013-05-09 US US13/890,973 patent/US8687677B2/en not_active Expired - Fee Related
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: PANASONIC CORP., KADOMA, OSAKA, JP |