NL156876B - Elektrische schakeling voor het opwekken van een groot aantal verschillende periodieke, binaire quasi toevallige codes. - Google Patents
Elektrische schakeling voor het opwekken van een groot aantal verschillende periodieke, binaire quasi toevallige codes.Info
- Publication number
- NL156876B NL156876B NL7206629.A NL7206629A NL156876B NL 156876 B NL156876 B NL 156876B NL 7206629 A NL7206629 A NL 7206629A NL 156876 B NL156876 B NL 156876B
- Authority
- NL
- Netherlands
- Prior art keywords
- accidental
- codes
- generating
- large number
- electrical circuit
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
- H04J13/10—Code generation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/204—Multiple access
- H04B7/216—Code division or spread-spectrum multiple access [CDMA, SSMA]
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Radio Relay Systems (AREA)
- Dc Digital Transmission (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2124320A DE2124320C1 (de) | 1971-05-17 | 1971-05-17 | Elektrische Schaltung zur Erzeugung einer Vielzahl verschiedener Codes |
Publications (2)
Publication Number | Publication Date |
---|---|
NL7206629A NL7206629A (nl) | 1978-01-31 |
NL156876B true NL156876B (nl) | 1978-05-16 |
Family
ID=5808068
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL7206629.A NL156876B (nl) | 1971-05-17 | 1972-05-17 | Elektrische schakeling voor het opwekken van een groot aantal verschillende periodieke, binaire quasi toevallige codes. |
Country Status (7)
Country | Link |
---|---|
US (1) | US4320513A (nl) |
CA (1) | CA1029443A (nl) |
DE (1) | DE2124320C1 (nl) |
FR (1) | FR2368832A1 (nl) |
GB (1) | GB1502761A (nl) |
IT (1) | IT1019534B (nl) |
NL (1) | NL156876B (nl) |
Families Citing this family (35)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL8202547A (nl) * | 1982-06-23 | 1984-01-16 | Philips Nv | Werkwijze voor het opwekken van een pseudo-random reeks van tekens met grote reekslengte. |
US4507746A (en) * | 1982-07-28 | 1985-03-26 | The United States Of America As Represented By The Secretary Of The Army | Programmable matched filter for binary phase-coded signals |
FR2549663A1 (fr) * | 1983-07-21 | 1985-01-25 | Snecma | Procede et dispositif pour le codage et le decodage d'une emission a large bande |
US4707839A (en) * | 1983-09-26 | 1987-11-17 | Harris Corporation | Spread spectrum correlator for recovering CCSK data from a PN spread MSK waveform |
US5257282A (en) * | 1984-06-28 | 1993-10-26 | Unisys Corporation | High speed code sequence generator |
DE3614638A1 (de) * | 1986-04-30 | 1987-11-05 | Messerschmitt Boelkow Blohm | Verfahren und vorrichtung zur synchronisation von datenstroemen |
JP2620069B2 (ja) * | 1986-10-09 | 1997-06-11 | クラリオン株式会社 | スペクトラム拡散通信方式 |
US4961159A (en) * | 1987-10-26 | 1990-10-02 | University Of Manitoba | Cellular automaton for generating random data |
US4860236A (en) * | 1987-10-26 | 1989-08-22 | University Of Manitoba | Cellular automaton for generating random data |
JPH0250512A (ja) * | 1988-08-10 | 1990-02-20 | Clarion Co Ltd | 疑似ランダム雑音符号発生装置 |
US4959832A (en) * | 1988-12-09 | 1990-09-25 | International Business Machines | Parallel pseudorandom pattern generator with varying phase shift |
US5022049A (en) * | 1989-11-21 | 1991-06-04 | Unisys Corp. | Multiple access code acquisition system |
US5031192A (en) * | 1990-02-05 | 1991-07-09 | United States Of America As Represented By The Secretary Of The Air Force | Synthetic demodulation of spread spectrum signals |
US5210770A (en) * | 1991-09-27 | 1993-05-11 | Lockheed Missiles & Space Company, Inc. | Multiple-signal spread-spectrum transceiver |
US7020111B2 (en) * | 1996-06-27 | 2006-03-28 | Interdigital Technology Corporation | System for using rapid acquisition spreading codes for spread-spectrum communications |
US6831905B1 (en) | 1995-06-30 | 2004-12-14 | Interdigital Technology Corporation | Spread spectrum system assigning information signals to message-code signals |
ZA965340B (en) * | 1995-06-30 | 1997-01-27 | Interdigital Tech Corp | Code division multiple access (cdma) communication system |
US7072380B2 (en) * | 1995-06-30 | 2006-07-04 | Interdigital Technology Corporation | Apparatus for initial power control for spread-spectrum communications |
US6885652B1 (en) | 1995-06-30 | 2005-04-26 | Interdigital Technology Corporation | Code division multiple access (CDMA) communication system |
US6940840B2 (en) | 1995-06-30 | 2005-09-06 | Interdigital Technology Corporation | Apparatus for adaptive reverse power control for spread-spectrum communications |
US7123600B2 (en) * | 1995-06-30 | 2006-10-17 | Interdigital Technology Corporation | Initial power control for spread-spectrum communications |
US7929498B2 (en) * | 1995-06-30 | 2011-04-19 | Interdigital Technology Corporation | Adaptive forward power control and adaptive reverse power control for spread-spectrum communications |
US6816473B2 (en) | 1995-06-30 | 2004-11-09 | Interdigital Technology Corporation | Method for adaptive forward power control for spread-spectrum communications |
US6697350B2 (en) | 1995-06-30 | 2004-02-24 | Interdigital Technology Corporation | Adaptive vector correlator for spread-spectrum communications |
JP3483991B2 (ja) * | 1995-07-27 | 2004-01-06 | 沖電気工業株式会社 | 符号分割多重アクセス通信用拡散符号発生器、符号分割多重アクセス通信システム及び符号分割多重アクセス通信用拡散符号発生方法 |
US6741638B2 (en) | 1997-06-23 | 2004-05-25 | Schlumbergersema Inc. | Bandpass processing of 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 |
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 |
JP3825179B2 (ja) * | 1998-07-17 | 2006-09-20 | 富士通株式会社 | 相関器 |
CN1496039A (zh) * | 1999-07-07 | 2004-05-12 | ���ǵ�����ʽ���� | 移动通信系统中的扰频码发生器 |
KR100594042B1 (ko) * | 1999-09-22 | 2006-06-28 | 삼성전자주식회사 | 비동기 이동통신시스템의 멀티 스크램블링 코드 생성 장치 및 방법 |
US7129753B2 (en) * | 2004-05-26 | 2006-10-31 | Infineon Technologies Ag | Chip to chip interface |
US20080240168A1 (en) * | 2007-03-31 | 2008-10-02 | Hoffman Jeffrey D | Processing wireless and broadband signals using resource sharing |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH435363A (de) * | 1965-11-26 | 1967-05-15 | Patelhold Patentverwertung | Einrichtung zur Synchronisierung von Impulsgeneratoren |
US3515805A (en) * | 1967-02-06 | 1970-06-02 | Bell Telephone Labor Inc | Data scrambler |
US3519746A (en) * | 1967-06-13 | 1970-07-07 | Itt | Means and method to obtain an impulse autocorrelation function |
GB1172617A (en) * | 1967-09-18 | 1969-12-03 | Solartron Electronic Group | The Generation of Binomially-Distributed Pseudo-Random Electrical Signals |
US3700806A (en) * | 1967-09-18 | 1972-10-24 | Csf | Key generators for cryptographic devices |
LU58605A1 (nl) * | 1969-05-08 | 1969-08-22 | ||
US3617723A (en) * | 1970-02-25 | 1971-11-02 | Collins Radio Co | Digitalized multiplier |
US3665171A (en) * | 1970-12-14 | 1972-05-23 | Bell Telephone Labor Inc | Nonrecursive digital filter apparatus employing delayedadd configuration |
US3728528A (en) * | 1971-03-24 | 1973-04-17 | Allen Bradley Co | Circular interpolation by finite differences |
DE2121117C1 (de) * | 1971-04-29 | 1978-02-09 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Elektrische Schaltung mit einem Codegenerator |
US3751648A (en) * | 1971-12-01 | 1973-08-07 | Communications Satellite Corp | Generalized shift register pulse sequence generator |
US3761696A (en) * | 1972-02-16 | 1973-09-25 | Signetics Corp | Random integer generator and method |
-
1971
- 1971-05-17 DE DE2124320A patent/DE2124320C1/de not_active Expired
-
1972
- 1972-02-23 GB GB8409/72A patent/GB1502761A/en not_active Expired
- 1972-05-11 CA CA141,941A patent/CA1029443A/en not_active Expired
- 1972-05-11 US US05/252,933 patent/US4320513A/en not_active Expired - Lifetime
- 1972-05-12 IT IT24285/72A patent/IT1019534B/it active
- 1972-05-16 FR FR7217431A patent/FR2368832A1/fr not_active Withdrawn
- 1972-05-17 NL NL7206629.A patent/NL156876B/nl unknown
Also Published As
Publication number | Publication date |
---|---|
IT1019534B (it) | 1977-11-30 |
US4320513A (en) | 1982-03-16 |
CA1029443A (en) | 1978-04-11 |
DE2124320C1 (de) | 1978-04-27 |
FR2368832A1 (fr) | 1978-05-19 |
NL7206629A (nl) | 1978-01-31 |
GB1502761A (en) | 1978-03-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
VJC | Lapsed due to non-payment of the due maintenance fee for the patent or patent application | ||
NL80 | Abbreviated name of patent owner mentioned of already nullified patent |
Owner name: SIEMENS |