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TW200609819A - System for generating pseudorandom sequences - Google Patents

System for generating pseudorandom sequences

Info

Publication number
TW200609819A
TW200609819A TW094115312A TW94115312A TW200609819A TW 200609819 A TW200609819 A TW 200609819A TW 094115312 A TW094115312 A TW 094115312A TW 94115312 A TW94115312 A TW 94115312A TW 200609819 A TW200609819 A TW 200609819A
Authority
TW
Taiwan
Prior art keywords
output
bit
counter
generating pseudorandom
register
Prior art date
Application number
TW094115312A
Other languages
English (en)
Other versions
TWI281626B (en
Inventor
Edward L Hepler
Original Assignee
Interdigital Tech Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Interdigital Tech Corp filed Critical Interdigital Tech Corp
Publication of TW200609819A publication Critical patent/TW200609819A/zh
Application granted granted Critical
Publication of TWI281626B publication Critical patent/TWI281626B/zh

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/02—Digital function generators
    • G06F1/025—Digital function generators for functions having two-valued amplitude, e.g. Walsh functions
    • G06F1/0255—Walsh or analogous functions
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F7/58—Random or pseudo-random number generators
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/0007—Code type
    • H04J13/004—Orthogonal
    • H04J13/0044—OVSF [orthogonal variable spreading factor]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/10—Code generation
    • H04J13/12—Generation of orthogonal codes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/30—Systems using multi-frequency codes wherein each code element is represented by a combination of frequencies
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Computational Mathematics (AREA)
  • Computer Security & Cryptography (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Communication Control (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
TW094115312A 2001-04-06 2002-04-04 Method for generating a pseudorandom code and pseudorandom code generator TWI281626B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US28234901P 2001-04-06 2001-04-06
US10/046,601 US7248698B2 (en) 2001-04-06 2001-10-23 System for generating pseudorandom sequences

Publications (2)

Publication Number Publication Date
TW200609819A true TW200609819A (en) 2006-03-16
TWI281626B TWI281626B (en) 2007-05-21

Family

ID=26724114

Family Applications (5)

Application Number Title Priority Date Filing Date
TW094115312A TWI281626B (en) 2001-04-06 2002-04-04 Method for generating a pseudorandom code and pseudorandom code generator
TW095149063A TW200745943A (en) 2001-04-06 2002-04-04 Method for generating a pseudorandom code and pseudorandom code genertor
TW098102128A TW200949675A (en) 2001-04-06 2002-04-04 Method for generating a pseudorandom code and pseudorandom code generator
TW092127545A TWI271937B (en) 2001-04-06 2002-04-04 System for generating pseudorandom sequences
TW091106840A TW566009B (en) 2001-04-06 2002-04-04 System for generating pseudorandom sequences

Family Applications After (4)

Application Number Title Priority Date Filing Date
TW095149063A TW200745943A (en) 2001-04-06 2002-04-04 Method for generating a pseudorandom code and pseudorandom code genertor
TW098102128A TW200949675A (en) 2001-04-06 2002-04-04 Method for generating a pseudorandom code and pseudorandom code generator
TW092127545A TWI271937B (en) 2001-04-06 2002-04-04 System for generating pseudorandom sequences
TW091106840A TW566009B (en) 2001-04-06 2002-04-04 System for generating pseudorandom sequences

Country Status (13)

Country Link
US (2) US7248698B2 (zh)
EP (2) EP2053486A1 (zh)
KR (5) KR20070045365A (zh)
CN (2) CN1921471B (zh)
AT (1) ATE422072T1 (zh)
AU (1) AU2002258723B2 (zh)
CA (1) CA2443653C (zh)
DE (1) DE60231034D1 (zh)
IL (2) IL158259A0 (zh)
MX (1) MXPA03009107A (zh)
NO (1) NO20034455L (zh)
TW (5) TWI281626B (zh)
WO (1) WO2002082759A1 (zh)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7248698B2 (en) * 2001-04-06 2007-07-24 Interdigital Technology Corporation System for generating pseudorandom sequences
KR20030007996A (ko) * 2001-07-11 2003-01-24 삼성전자 주식회사 부호분할다중접속 통신시스템의 직교부호 발생 장치 및 방법
KR100511294B1 (ko) * 2002-10-26 2005-08-31 엘지전자 주식회사 비동기 코드분할 다중접속 통신 시스템의 심벌 매핑 및채널화 장치
KR100493074B1 (ko) * 2003-02-19 2005-06-02 삼성전자주식회사 비동기방식의 부호분할다중접속 이동통신시스템에서 코드생성장치 및 방법
KR100565313B1 (ko) * 2003-11-26 2006-03-30 엘지전자 주식회사 시분할다중접속 방식과 코드분할다중접속 방식이 혼합된이동통신 시스템의 도메인 전력 측정방법
TWI232041B (en) * 2004-01-15 2005-05-01 Accton Technology Corp Multicarrier and multirate CDMA system
US7729235B2 (en) * 2005-09-27 2010-06-01 Mediatek Inc. Method and apparatus for OVSF code generation
US7849121B2 (en) * 2006-04-20 2010-12-07 Hewlett-Packard Development Company, L.P. Optical-based, self-authenticating quantum random number generators
CN100446483C (zh) * 2006-05-12 2008-12-24 华为技术有限公司 一种相关性序列码的产生方法及装置
RU2476002C2 (ru) 2007-03-19 2013-02-20 Панасоник Корпорэйшн Способ уведомления о последовательностях и устройство для уведомления о последовательностях
KR101459044B1 (ko) 2008-01-10 2014-11-07 서강대학교산학협력단 무선 통신 시스템에서 이단 방식을 이용하여 효율적으로ｏｖｓｆ 코드를 생성하는 장치 및 방법
CN201150648Y (zh) * 2008-01-22 2008-11-19 施建刚 针灸针及其封装有该针灸针的针灸管针板
US8667046B2 (en) * 2008-02-21 2014-03-04 Ecole Polytechnique Federale De Lausanne/Service Des Relations Industrielles Generalized programmable counter arrays
KR101008359B1 (ko) * 2008-06-30 2011-01-13 서보산업 주식회사 거푸집 승강장치
DE102008040248A1 (de) * 2008-07-08 2010-01-14 Robert Bosch Gmbh Verfahren und Vorrichtung zum Bestimmen einer Geschwindigkeit eines Objekts
KR100999260B1 (ko) 2008-08-22 2010-12-07 한국전자통신연구원 Ｐｎ 코드 발생 장치 및 방법
KR101007339B1 (ko) * 2008-11-06 2011-01-14 주식회사 텔레칩스 의사난수 배열 생성 방식의 스크램블러 장치
US8266498B2 (en) * 2009-03-31 2012-09-11 Freescale Semiconductor, Inc. Implementation of multiple error detection schemes for a cache
CN103713880B (zh) * 2014-01-03 2017-02-22 浪潮(北京)电子信息产业有限公司 一种序列生成器及其设计方法
EP3032416A1 (en) * 2014-12-10 2016-06-15 Gemalto SA Method to execute a sensitive computation using multiple different and independent branches
US9632753B2 (en) 2015-03-31 2017-04-25 Infineon Technologies Ag Spectral shaping of pseudorandom binary sequence
KR102161898B1 (ko) * 2018-11-29 2020-10-05 이화여자대학교 산학협력단 도로명 자석 코드 시스템, 도로명코드를 생성하기 위한 도로명주소 인코딩 방법 및 이를 수행하기 위한 기록매체
GB2580150B (en) * 2018-12-21 2022-05-25 Graphcore Ltd Pseudo-random number generator
KR102156568B1 (ko) * 2018-12-21 2020-09-16 국민대학교산학협력단 구명용 비상신호 발신장치 및 방법
CN116610289B (zh) * 2023-07-17 2023-10-27 牛芯半导体(深圳)有限公司 伪随机二进制序列生成装置、方法、检测装置和存储介质

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5311176A (en) 1992-03-31 1994-05-10 Motorola, Inc. Method and apparatus for generating Walsh codes
MY112371A (en) * 1993-07-20 2001-05-31 Qualcomm Inc System and method for orthogonal spread spectrum sequence generation in variable data rate systems
US5602833A (en) 1994-12-19 1997-02-11 Qualcomm Incorporated Method and apparatus for using Walsh shift keying in a spread spectrum communication system
JP3371310B2 (ja) * 1995-06-30 2003-01-27 ソニー株式会社 Ｗａｌｓｈ符号発生装置、信号送信装置及び信号受信装置
US5657017A (en) * 1995-12-01 1997-08-12 The United States Of America As Represented By The Secretary Of The Navy Telemetry bi-phase-level to non-return-to-zero-level signal converter
JP3651154B2 (ja) 1996-12-27 2005-05-25 ソニー株式会社 Ｐｎ符号発生回路及び無線システムの端末装置
US6262751B1 (en) * 1998-10-26 2001-07-17 Seiko Epson Corporation Hardware rotation of an image on a computer display
US6091757A (en) 1998-12-03 2000-07-18 Motorola, Inc. Data transmission within a spread-spectrum communication system
KR100319643B1 (ko) 1999-05-10 2002-01-09 정규석 직교가변확산계수 코드 발생회로
US6885691B1 (en) * 1999-08-02 2005-04-26 Lg Information & Communications, Ltd. Scrambling codes and channelization codes for multiple chip rate signals in CDMA cellular mobile radio communication system
US6798737B1 (en) * 1999-10-06 2004-09-28 Texas Instruments Incorporated Use of Walsh-Hadamard transform for forward link multiuser detection in CDMA systems
JP4810041B2 (ja) * 1999-12-30 2011-11-09 インフィネオン テヒノロジース アクチェンゲゼルシャフト スペクトル拡散用途のための設定可能コード発生器システム
DE10004873A1 (de) * 2000-02-04 2001-08-23 Infineon Technologies Ag Verfahren und Vorrichtung zur Erzeugung von OVSF-Codeworten
US6879576B1 (en) * 2000-09-06 2005-04-12 Qualcomm Incorporated Method and apparatus for processing a physical channel with partial transport format information
IT1320651B1 (it) * 2000-09-15 2003-12-10 St Microelectronics Srl Procedimento e dispositivo per la generazione di codici, ad esempiocodici per applicazioni cdma.
CN1146171C (zh) * 2000-11-24 2004-04-14 华为技术有限公司 大容量同步码分多址扩频通信系统的实现方法
US6829289B1 (en) * 2000-12-05 2004-12-07 Gossett And Gunter, Inc. Application of a pseudo-randomly shuffled hadamard function in a wireless CDMA system
US7248698B2 (en) * 2001-04-06 2007-07-24 Interdigital Technology Corporation System for generating pseudorandom sequences
US6850238B2 (en) 2001-07-31 2005-02-01 Tektronix, Inc. Display of code power levels and relationships of multiple spreading factor orthogonal codes in a CDMA signal
GB2378362A (en) * 2001-08-02 2003-02-05 Ubinetics Ltd Code generation
US6552996B2 (en) * 2001-09-18 2003-04-22 Interdigital Communications Corporation OVSF code system and methods
US6667708B2 (en) * 2001-12-28 2003-12-23 Motorola, Inc. Method and system for a programmable code generator
US20050237919A1 (en) * 2002-06-21 2005-10-27 Hartmut Pettendorf Generation of orthogonal codes

Also Published As

Publication number Publication date
EP1386462B9 (en) 2009-08-26
KR100872101B1 (ko) 2008-12-05
KR100627086B1 (ko) 2006-09-25
NO20034455L (no) 2003-12-08
AU2002258723B2 (en) 2005-05-12
EP1386462B1 (en) 2009-01-28
IL158259A (en) 2008-06-05
TWI271937B (en) 2007-01-21
DE60231034D1 (zh) 2009-03-19
TW200949675A (en) 2009-12-01
EP1386462A4 (en) 2006-04-26
CN1500335A (zh) 2004-05-26
US20070258593A1 (en) 2007-11-08
CN1921471A (zh) 2007-02-28
EP1386462A1 (en) 2004-02-04
TWI281626B (en) 2007-05-21
WO2002082759A1 (en) 2002-10-17
TW200423666A (en) 2004-11-01
AU2002258723C1 (en) 2002-10-21
KR20030092054A (ko) 2003-12-03
KR20040053302A (ko) 2004-06-23
EP2053486A1 (en) 2009-04-29
TW200745943A (en) 2007-12-16
CA2443653A1 (en) 2002-10-17
KR100877169B1 (ko) 2009-01-07
CA2443653C (en) 2008-06-03
TW566009B (en) 2003-12-11
US20020196936A1 (en) 2002-12-26
US7643638B2 (en) 2010-01-05
CN1277394C (zh) 2006-09-27
NO20034455D0 (no) 2003-10-03
IL158259A0 (en) 2004-05-12
HK1066128A1 (zh) 2005-03-11
CN1921471B (zh) 2011-08-17
KR20080063500A (ko) 2008-07-04
US7248698B2 (en) 2007-07-24
KR20070045365A (ko) 2007-05-02
KR20070099057A (ko) 2007-10-08
ATE422072T1 (de) 2009-02-15
MXPA03009107A (es) 2004-02-12

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