DE69327988D1 - Phasendifferenzkorrekturdemodulator eines Spreizspektrumkommunikationsempfängers und Demodulationsverfahren - Google Patents
Phasendifferenzkorrekturdemodulator eines Spreizspektrumkommunikationsempfängers und DemodulationsverfahrenInfo
- Publication number
- DE69327988D1 DE69327988D1 DE69327988T DE69327988T DE69327988D1 DE 69327988 D1 DE69327988 D1 DE 69327988D1 DE 69327988 T DE69327988 T DE 69327988T DE 69327988 T DE69327988 T DE 69327988T DE 69327988 D1 DE69327988 D1 DE 69327988D1
- Authority
- DE
- Germany
- Prior art keywords
- phase difference
- spread spectrum
- spectrum communication
- demodulation method
- communication receiver
- 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 - Fee Related
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17094692 | 1992-06-29 | ||
JP14936993A JP2771757B2 (ja) | 1992-06-29 | 1993-06-21 | スペクトル拡散通信用受信装置のデータ復調回路 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69327988D1 true DE69327988D1 (de) | 2000-04-13 |
DE69327988T2 DE69327988T2 (de) | 2000-10-19 |
Family
ID=26479278
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE1993627988 Expired - Fee Related DE69327988T2 (de) | 1992-06-29 | 1993-06-28 | Phasendifferenzkorrekturdemodulator eines Spreizspektrumkommunikationsempfängers und Demodulationsverfahren |
Country Status (6)
Country | Link |
---|---|
US (1) | US5383220A (de) |
EP (1) | EP0577044B9 (de) |
JP (1) | JP2771757B2 (de) |
CA (1) | CA2099322C (de) |
DE (1) | DE69327988T2 (de) |
FI (1) | FI110730B (de) |
Families Citing this family (33)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2605615B2 (ja) * | 1993-12-30 | 1997-04-30 | 日本電気株式会社 | スペクトラム拡散受信機 |
US5559789A (en) * | 1994-01-31 | 1996-09-24 | Matsushita Electric Industrial Co., Ltd. | CDMA/TDD Radio Communication System |
JP2938337B2 (ja) * | 1994-03-09 | 1999-08-23 | 三菱電機株式会社 | スペクトル拡散通信用データ復調回路 |
GB2290010B (en) * | 1994-05-28 | 1998-09-09 | Roke Manor Research | Ambiguity resolution in direct sequence spread spectrum modulation systems |
WO1996000471A1 (fr) * | 1994-06-23 | 1996-01-04 | Ntt Mobile Communications Network Inc. | Circuit de demodulation de type cdma et procede de demodulation associe |
JP3444444B2 (ja) * | 1994-09-30 | 2003-09-08 | ソニー株式会社 | 通信端末装置 |
KR970011690B1 (ko) * | 1994-11-22 | 1997-07-14 | 삼성전자 주식회사 | 파일럿트 채널을 이용한 대역확산 통신시스템의 데이타 송신기 및 수신기 |
JP2605648B2 (ja) * | 1994-12-22 | 1997-04-30 | 日本電気株式会社 | Ss受信機における逆拡散符号位相検出装置 |
US5691974A (en) * | 1995-01-04 | 1997-11-25 | Qualcomm Incorporated | Method and apparatus for using full spectrum transmitted power in a spread spectrum communication system for tracking individual recipient phase, time and energy |
US5793821A (en) * | 1995-06-07 | 1998-08-11 | 3Com Corporation | Timing Recovery using group delay compensation |
JP3200547B2 (ja) * | 1995-09-11 | 2001-08-20 | 株式会社日立製作所 | Cdma方式移動通信システム |
US5784366A (en) * | 1996-08-27 | 1998-07-21 | Transsky Corp. | Wideband code-division-multiple access system and method |
JP3796870B2 (ja) * | 1997-01-21 | 2006-07-12 | ソニー株式会社 | 受信装置及び受信方法、並びに携帯電話システムの端末装置 |
US6094450A (en) * | 1997-06-20 | 2000-07-25 | Cincinnati Electronics Corporation | Spread spectrum chip shift keying modulation/demodulation system and method |
US6741638B2 (en) | 1997-06-23 | 2004-05-25 | Schlumbergersema Inc. | Bandpass processing of a spread spectrum signal |
US6178197B1 (en) | 1997-06-23 | 2001-01-23 | Cellnet Data Systems, Inc. | Frequency discrimination in a spread spectrum signal processing system |
US6628699B2 (en) | 1997-06-23 | 2003-09-30 | Schlumberger Resource Management Systems, Inc. | Receiving a spread spectrum signal |
US6047016A (en) * | 1997-06-23 | 2000-04-04 | Cellnet Data Systems, Inc. | Processing a spread spectrum signal in a frequency adjustable system |
US6456644B1 (en) * | 1997-06-23 | 2002-09-24 | Cellnet Data Systems, Inc. | Bandpass correlation of a spread spectrum signal |
US6263009B1 (en) * | 1997-06-23 | 2001-07-17 | Cellnet Data Systems, Inc. | Acquiring a spread spectrum signal |
EP0899893A1 (de) * | 1997-09-01 | 1999-03-03 | Kabushiki Kaisha Toshiba | Spreizspektrumnachrichtenübertragungsempfänger |
US6175588B1 (en) | 1997-12-30 | 2001-01-16 | Motorola, Inc. | Communication device and method for interference suppression using adaptive equalization in a spread spectrum communication system |
US6175587B1 (en) | 1997-12-30 | 2001-01-16 | Motorola, Inc. | Communication device and method for interference suppression in a DS-CDMA system |
US6618431B1 (en) * | 1998-12-31 | 2003-09-09 | Texas Instruments Incorporated | Processor-based method for the acquisition and despreading of spread-spectrum/CDMA signals |
JP2001016135A (ja) | 1999-06-29 | 2001-01-19 | Nec Corp | 自動周波数制御方法と自動周波数制御方式とcdma受信機 |
US6765974B1 (en) * | 2000-07-19 | 2004-07-20 | Radwin Ltd. | Rach starting time vicinity estimation |
JP3695316B2 (ja) * | 2000-11-24 | 2005-09-14 | 株式会社日本自動車部品総合研究所 | スペクトラム拡散受信機の相関検出器 |
JP4429533B2 (ja) * | 2001-01-29 | 2010-03-10 | 三星電子株式会社 | 周波数変換器 |
DE10108413A1 (de) * | 2001-02-21 | 2002-09-19 | Philips Corp Intellectual Pty | Empfangsverfahren bei einem Mobiltelefon mit Mehrfachcodeempfang und Mobiltelefon |
US7088965B1 (en) * | 2002-01-08 | 2006-08-08 | Sprint Spectrum L.P. | Fractal antenna system and method for improved wireless telecommunications |
US7292624B2 (en) * | 2002-08-27 | 2007-11-06 | Itt Manufacturing, Inc. | Method and apparatus for robust acquisition of spread spectrum signals |
KR20050015119A (ko) * | 2003-08-04 | 2005-02-21 | 삼성전자주식회사 | 광대역 무선 접속 통신 시스템에서 레인징 신호 변조 장치및 방법 |
CN102521080B (zh) * | 2011-12-07 | 2013-11-20 | 国家电网公司 | 一种电力用户用电信息采集系统的计算机数据修复方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3601576A1 (de) * | 1986-01-21 | 1987-07-23 | Standard Elektrik Lorenz Ag | Empfaenger fuer bandgespreizte signale |
US4901307A (en) * | 1986-10-17 | 1990-02-13 | Qualcomm, Inc. | Spread spectrum multiple access communication system using satellite or terrestrial repeaters |
JPH0748674B2 (ja) * | 1988-09-02 | 1995-05-24 | クラリオン株式会社 | スペクトラム拡散受信機 |
GB2240240A (en) * | 1990-01-19 | 1991-07-24 | Philips Electronic Associated | Radio receiver for direct sequence spread spectrum signals |
US5103459B1 (en) * | 1990-06-25 | 1999-07-06 | Qualcomm Inc | System and method for generating signal waveforms in a cdma cellular telephone system |
DE4020191C2 (de) * | 1990-06-25 | 1998-09-10 | Siemens Ag | Verfahren zur Kompensation von Phasen- und Frequenzfehlern eines quadraturphasenmodulierten Trägersignals und Anordnung zur Durchführung des Verfahrens |
US5099494A (en) * | 1990-07-26 | 1992-03-24 | Unisys Corporation | Six channel digital demodulator |
US5267260A (en) * | 1992-11-19 | 1993-11-30 | Samsung Electronics Co., Ltd. | Spread spectrum receiver using the code division multiple access mode |
-
1993
- 1993-06-21 JP JP14936993A patent/JP2771757B2/ja not_active Expired - Fee Related
- 1993-06-28 EP EP19930110282 patent/EP0577044B9/de not_active Expired - Lifetime
- 1993-06-28 DE DE1993627988 patent/DE69327988T2/de not_active Expired - Fee Related
- 1993-06-28 CA CA002099322A patent/CA2099322C/en not_active Expired - Fee Related
- 1993-06-29 FI FI932995A patent/FI110730B/fi active
-
1994
- 1994-04-13 US US08/227,197 patent/US5383220A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0577044B9 (de) | 2003-08-20 |
FI110730B (fi) | 2003-03-14 |
CA2099322C (en) | 1998-08-11 |
CA2099322A1 (en) | 1993-12-30 |
DE69327988T2 (de) | 2000-10-19 |
JPH0690219A (ja) | 1994-03-29 |
EP0577044B1 (de) | 2000-03-08 |
EP0577044A1 (de) | 1994-01-05 |
FI932995A (fi) | 1993-12-30 |
US5383220A (en) | 1995-01-17 |
FI932995A0 (fi) | 1993-06-29 |
JP2771757B2 (ja) | 1998-07-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8320 | Willingness to grant licences declared (paragraph 23) | ||
8339 | Ceased/non-payment of the annual fee |