FI110730B - Hajaspektrivastaanottimen datademodulaattori - Google Patents
Hajaspektrivastaanottimen datademodulaattoriInfo
- Publication number
- FI110730B FI110730B FI932995A FI932995A FI110730B FI 110730 B FI110730 B FI 110730B FI 932995 A FI932995 A FI 932995A FI 932995 A FI932995 A FI 932995A FI 110730 B FI110730 B FI 110730B
- Authority
- FI
- Finland
- Prior art keywords
- spread spectrum
- data modulator
- receiver data
- spectrum receiver
- modulator
- Prior art date
Links
- 238000001228 spectrum Methods 0.000 title 1
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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
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 (3)
| Publication Number | Publication Date |
|---|---|
| FI932995A0 FI932995A0 (fi) | 1993-06-29 |
| FI932995A7 FI932995A7 (fi) | 1993-12-30 |
| FI110730B true FI110730B (fi) | 2003-03-14 |
Family
ID=26479278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI932995A FI110730B (fi) | 1992-06-29 | 1993-06-29 | Hajaspektrivastaanottimen datademodulaattori |
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 |
| US5694388A (en) * | 1994-06-23 | 1997-12-02 | Ntt Mobile Communications Network Inc. | CDMA demodulator and demodulation method |
| 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 |
| US6047016A (en) * | 1997-06-23 | 2000-04-04 | Cellnet Data Systems, Inc. | Processing a spread spectrum signal in a frequency adjustable system |
| 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 |
| US6263009B1 (en) * | 1997-06-23 | 2001-07-17 | Cellnet Data Systems, Inc. | Acquiring a spread spectrum signal |
| US6456644B1 (en) * | 1997-06-23 | 2002-09-24 | Cellnet Data Systems, Inc. | Bandpass correlation of a spread spectrum signal |
| EP0899893A1 (de) * | 1997-09-01 | 1999-03-03 | Kabushiki Kaisha Toshiba | Spreizspektrumnachrichtenübertragungsempfänger |
| US6175587B1 (en) | 1997-12-30 | 2001-01-16 | Motorola, Inc. | Communication device and method for interference suppression in a DS-CDMA system |
| 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 |
| 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 |
| 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 |
| US5103459B1 (en) * | 1990-06-25 | 1999-07-06 | Qualcomm Inc | System and method for generating signal waveforms in a cdma cellular telephone system |
| 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 DE DE69327988T patent/DE69327988T2/de not_active Expired - Fee Related
- 1993-06-28 CA CA002099322A patent/CA2099322C/en not_active Expired - Fee Related
- 1993-06-28 EP EP19930110282 patent/EP0577044B9/de not_active Expired - Lifetime
- 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 |
|---|---|
| DE69327988T2 (de) | 2000-10-19 |
| FI932995A7 (fi) | 1993-12-30 |
| EP0577044B1 (de) | 2000-03-08 |
| CA2099322A1 (en) | 1993-12-30 |
| JP2771757B2 (ja) | 1998-07-02 |
| US5383220A (en) | 1995-01-17 |
| EP0577044B9 (de) | 2003-08-20 |
| EP0577044A1 (de) | 1994-01-05 |
| DE69327988D1 (de) | 2000-04-13 |
| CA2099322C (en) | 1998-08-11 |
| FI932995A0 (fi) | 1993-06-29 |
| JPH0690219A (ja) | 1994-03-29 |
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