DE69503308D1 - Codesequenzgenerator - Google Patents
CodesequenzgeneratorInfo
- Publication number
- DE69503308D1 DE69503308D1 DE69503308T DE69503308T DE69503308D1 DE 69503308 D1 DE69503308 D1 DE 69503308D1 DE 69503308 T DE69503308 T DE 69503308T DE 69503308 T DE69503308 T DE 69503308T DE 69503308 D1 DE69503308 D1 DE 69503308D1
- Authority
- DE
- Germany
- Prior art keywords
- code sequence
- sequence generator
- generator
- code
- sequence
- 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
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
- H04J13/10—Code generation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/06—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols the encryption apparatus using shift registers or memories for block-wise or stream coding, e.g. DES systems or RC4; Hash functions; Pseudorandom sequence generators
- H04L9/065—Encryption by serially and continuously modifying data stream elements, e.g. stream cipher systems, RC4, SEAL or A5/3
- H04L9/0656—Pseudorandom key sequence combined element-for-element with data sequence, e.g. one-time-pad [OTP] or Vernam's cipher
- H04L9/0662—Pseudorandom key sequence combined element-for-element with data sequence, e.g. one-time-pad [OTP] or Vernam's cipher with particular pseudorandom sequence generator
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
- H04L2209/12—Details relating to cryptographic hardware or logic circuitry
- H04L2209/125—Parallelization or pipelining, e.g. for accelerating processing of cryptographic operations
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Complex Calculations (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9035394 | 1994-04-27 | ||
JP7087191A JPH0818550A (ja) | 1994-04-27 | 1995-04-12 | 符号系列発生器 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69503308D1 true DE69503308D1 (de) | 1998-08-13 |
DE69503308T2 DE69503308T2 (de) | 1999-04-15 |
Family
ID=26428488
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69503308T Expired - Fee Related DE69503308T2 (de) | 1994-04-27 | 1995-04-25 | Codesequenzgenerator |
Country Status (5)
Country | Link |
---|---|
US (1) | US5596516A (de) |
EP (1) | EP0680172B1 (de) |
JP (1) | JPH0818550A (de) |
CN (1) | CN1051661C (de) |
DE (1) | DE69503308T2 (de) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5943248A (en) * | 1997-01-17 | 1999-08-24 | Picturetel Corporation | w-bit non-linear combiner for pseudo-random number generation |
WO1998032070A1 (en) * | 1997-01-17 | 1998-07-23 | Picturetel Corporation | Pseudo-random number generator exploiting processors having instruction-level parallelism and the use thereof for encryption |
JP3329705B2 (ja) | 1997-09-02 | 2002-09-30 | 松下電器産業株式会社 | Pn符号発生装置及び移動無線通信システム |
KR100319789B1 (ko) | 1997-11-19 | 2002-01-05 | 다치카와 게이지 | 복수 부호계열 동시 생성기 및 그것을 사용한 cdma 무선수신장치 |
KR100250466B1 (ko) * | 1997-12-27 | 2000-04-01 | 정선종 | 난수기의 효율적 구현방법 |
US6141669A (en) * | 1998-05-06 | 2000-10-31 | Nortel Networks Corporation | Pseudorandom binary sequence block shifter |
EP1123586A1 (de) * | 1998-10-19 | 2001-08-16 | QUALCOMM Incorporated | Verfahren und vorrichtung zum pseudorauschspreizen in eines cdma-kommunikationssystems |
US6636553B1 (en) * | 1998-12-29 | 2003-10-21 | Texas Instruments Incorporated | Pseudorandom noise generator for WCDMA |
JP3499460B2 (ja) | 1999-02-25 | 2004-02-23 | 松下電器産業株式会社 | 拡散符号発生回路および拡散符号発生方法 |
JP2000307477A (ja) | 1999-04-21 | 2000-11-02 | Matsushita Electric Ind Co Ltd | 符号発生装置、その装置を用いた通信装置、通信システム及び符号発生方法 |
FI107094B (fi) * | 1999-05-10 | 2001-05-31 | Nokia Mobile Phones Ltd | Menetelmä päivittää koodigeneraattorin lineaarinen palautesiirtorekisteri |
US6640236B1 (en) * | 1999-08-31 | 2003-10-28 | Qualcomm Incorporated | Method and apparatus for generating multiple bits of a pseudonoise sequence with each clock pulse by computing the bits in parallel |
US6909783B2 (en) * | 1999-10-29 | 2005-06-21 | Joseph Samuel Incarnato | Alphabet soup cryptography |
JP2002084257A (ja) | 2000-07-05 | 2002-03-22 | Sanyo Electric Co Ltd | 直交符号生成装置、スクランブル符号生成装置、およびそれらを用いた携帯無線端末 |
US7461111B2 (en) | 2002-09-30 | 2008-12-02 | Fdk Corporation | Method of uniforming physical random number and physical number generation device |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1190809A (en) * | 1967-06-26 | 1970-05-06 | Ericsson Telefon Ab L M | Improvements in and relating to the Generation of a Pulse Code |
US4685132A (en) * | 1985-07-30 | 1987-08-04 | Sperry Corporation | Bent sequence code generator |
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 |
JPH0457407A (ja) * | 1990-06-27 | 1992-02-25 | Fujitsu Ltd | 直列pnパターン並列発生回路、および、該回路の構成方法 |
WO1993016432A1 (en) * | 1992-02-14 | 1993-08-19 | Advantest Corporation | Multi-channel pseudo-random pattern generator |
JP2845308B2 (ja) * | 1993-04-02 | 1999-01-13 | 株式会社アドバンテスト | 並列疑似ランダムパターン発生器 |
US5515307A (en) * | 1994-08-04 | 1996-05-07 | Bell Communications Research, Inc. | Pseudo-random generator |
-
1995
- 1995-04-12 JP JP7087191A patent/JPH0818550A/ja active Pending
- 1995-04-25 DE DE69503308T patent/DE69503308T2/de not_active Expired - Fee Related
- 1995-04-25 US US08/428,389 patent/US5596516A/en not_active Expired - Fee Related
- 1995-04-25 EP EP95302772A patent/EP0680172B1/de not_active Expired - Lifetime
- 1995-04-26 CN CN95104236.XA patent/CN1051661C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0680172B1 (de) | 1998-07-08 |
EP0680172A2 (de) | 1995-11-02 |
EP0680172A3 (de) | 1996-03-06 |
CN1117673A (zh) | 1996-02-28 |
CN1051661C (zh) | 2000-04-19 |
JPH0818550A (ja) | 1996-01-19 |
US5596516A (en) | 1997-01-21 |
DE69503308T2 (de) | 1999-04-15 |
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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: NTT DOCOMO, INC., TOKIO/TOKYO, JP |
|
8328 | Change in the person/name/address of the agent |
Representative=s name: KRAMER - BARSKE - SCHMIDTCHEN, 81245 MUENCHEN |
|
8339 | Ceased/non-payment of the annual fee |