BR0214146A - Criptografar de uma sequência de pseudo-ruìdo (pn) antes de espalhamento de um sinal de comunicação - Google Patents

Criptografar de uma sequência de pseudo-ruìdo (pn) antes de espalhamento de um sinal de comunicação

Info

Publication number
BR0214146A
BR0214146A BR0214146-9A BR0214146A BR0214146A BR 0214146 A BR0214146 A BR 0214146A BR 0214146 A BR0214146 A BR 0214146A BR 0214146 A BR0214146 A BR 0214146A
Authority
BR
Brazil
Prior art keywords
communication signal
encrypt
noise sequence
pseudo noise
before spreading
Prior art date
Application number
BR0214146-9A
Other languages
English (en)
Inventor
Tad Jarosinski
Daniel H Agre
Stephen S Carter
Mehraban Iraninejad
Joseph P Odenwalder
Roy Franklin Quick
Charles E Wheatley
Original Assignee
Qualcomm Inc
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 Qualcomm Inc filed Critical Qualcomm Inc
Publication of BR0214146A publication Critical patent/BR0214146A/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/0007—Code type
    • H04J13/0022—PN, e.g. Kronecker
    • 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
    • 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
    • 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
    • H04L2209/34—Encoding or coding, e.g. Huffman coding or error correction
    • 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
    • H04L2209/80—Wireless

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Communication Control (AREA)

Abstract

"CRIPTOGRAFIA DE UMA SEQuêNCIA DE PSEUDO RUìDO (PN) ANTES DO ESPALHAMENTO DE UM SINAL DE COMUNICAçãO". Um sistema e método para criptografar todos os canais de uma comunicação de espalhamento espectral sem fio em nível de chip. A seq³ência PN é criptografada com uma ou mais seq³ências de criptografia e a seguir usadas para espalhar o sinal.
BR0214146-9A 2001-11-16 2002-11-15 Criptografar de uma sequência de pseudo-ruìdo (pn) antes de espalhamento de um sinal de comunicação BR0214146A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/991,506 US7333614B2 (en) 2001-11-16 2001-11-16 System and method for encypting spread spectrum carrier
PCT/US2002/036782 WO2003045106A1 (en) 2001-11-16 2002-11-15 Encrypting a pseudo-noise (pn) sequence before spreading a communication signal

Publications (1)

Publication Number Publication Date
BR0214146A true BR0214146A (pt) 2004-10-19

Family

ID=25537284

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0214146-9A BR0214146A (pt) 2001-11-16 2002-11-15 Criptografar de uma sequência de pseudo-ruìdo (pn) antes de espalhamento de um sinal de comunicação

Country Status (12)

Country Link
US (1) US7333614B2 (pt)
EP (1) EP1444857B1 (pt)
JP (1) JP4727922B2 (pt)
CN (1) CN1611093B (pt)
AT (1) ATE360342T1 (pt)
AU (2) AU2002348284A1 (pt)
BR (1) BR0214146A (pt)
CA (1) CA2467428C (pt)
DE (1) DE60219664T2 (pt)
ES (1) ES2283610T3 (pt)
MX (1) MXPA04004633A (pt)
WO (1) WO2003045106A1 (pt)

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EP1656744A1 (en) * 2003-08-13 2006-05-17 Philips Intellectual Property & Standards GmbH Method and device for encrypting a digital data stream in a transmission system
DE60317195T2 (de) * 2003-09-08 2008-08-07 Abb Research Ltd. Datenverschlüsselung in der physikalischen Schicht eines Datenübertragungssystems
US7308250B2 (en) * 2004-03-16 2007-12-11 Broadcom Corporation Integration of secure identification logic into cell phone
US20060204009A1 (en) * 2005-03-14 2006-09-14 Michigan State University Physical layer built-in security enhancement of spread spectrum wireless communication systems
US20070047726A1 (en) * 2005-08-25 2007-03-01 Cisco Technology, Inc. System and method for providing contextual information to a called party
US8243895B2 (en) * 2005-12-13 2012-08-14 Cisco Technology, Inc. Communication system with configurable shared line privacy feature
US8503621B2 (en) * 2006-03-02 2013-08-06 Cisco Technology, Inc. Secure voice communication channel for confidential messaging
KR100766313B1 (ko) * 2006-05-30 2007-10-11 삼성전자주식회사 이동통신단말기에서 보안 키의 암호화 장치 및 방법
US7761110B2 (en) * 2006-05-31 2010-07-20 Cisco Technology, Inc. Floor control templates for use in push-to-talk applications
US7649951B2 (en) * 2006-08-16 2010-01-19 Harris Corporation System and method for communicating data using symbol-based randomized orthogonal frequency division multiplexing (OFDM) with applied frequency domain spreading
US7903749B2 (en) * 2006-08-16 2011-03-08 Harris Corporation System and method for applying frequency domain spreading to multi-carrier communications signals
US7751488B2 (en) * 2006-08-16 2010-07-06 Harris Corporation System and method for communicating data using symbol-based randomized orthogonal frequency division multiplexing (OFDM)
US8687785B2 (en) 2006-11-16 2014-04-01 Cisco Technology, Inc. Authorization to place calls by remote users
US8817061B2 (en) * 2007-07-02 2014-08-26 Cisco Technology, Inc. Recognition of human gestures by a mobile phone
US8477937B2 (en) * 2011-04-07 2013-07-02 Comtech Ef Data Corp. Methods and systems for providing interference based physical-layer encryption
US8958550B2 (en) * 2011-09-13 2015-02-17 Combined Conditional Access Development & Support. LLC (CCAD) Encryption operation with real data rounds, dummy data rounds, and delay periods
US9088805B2 (en) * 2012-02-08 2015-07-21 Vixs Systems, Inc. Encrypted memory device and methods for use therewith
WO2015105248A1 (ko) * 2014-01-13 2015-07-16 엘지전자 주식회사 무선랜 시스템에서 짧은 mac 헤더를 지원하는 프레임 송수신 방법 및 장치
CN105429706B (zh) * 2015-12-15 2018-01-02 广东顺德中山大学卡内基梅隆大学国际联合研究院 基于aes加密交织的混沌码分多址可见光通信系统
CN110785960B (zh) * 2017-06-27 2023-06-20 三菱电机株式会社 码生成装置、码生成方法和计算机能读取的存储介质

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JP2950485B2 (ja) * 1992-02-17 1999-09-20 富士通エフ・アイ・ピー株式会社 ストリーム暗号処理装置
US5550809A (en) * 1992-04-10 1996-08-27 Ericsson Ge Mobile Communications, Inc. Multiple access coding using bent sequences for mobile radio communications
US20010026578A1 (en) * 1994-12-19 2001-10-04 Takeshi Ando Code division multiple access transmitter and receiver
US5727064A (en) * 1995-07-03 1998-03-10 Lucent Technologies Inc. Cryptographic system for wireless communications
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US6044388A (en) * 1997-05-15 2000-03-28 International Business Machine Corporation Pseudorandom number generator
AU8261298A (en) * 1997-06-23 1999-01-04 Regents Of The University Of California, The Chaotic digital code-division multiple access (cdma) communication systems
US6426960B2 (en) * 1997-06-24 2002-07-30 Qualcomm Incorporated Increased capacity data transmission in a CDMA wireless communication system
KR19990016606A (ko) * 1997-08-18 1999-03-15 윤종용 씨디엠에이 이동통신시스템의 의사직교부호를 이용한 대역확산신호 발생장치 및 방법
AU1213200A (en) 1998-10-21 2000-05-08 Qualcomm Incorporated Encryption support in a hybrid gsm/cdma network
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US6895090B1 (en) 1999-04-30 2005-05-17 Texas Instruments Incorporated Pseudo-noise sequence with insertion having variant length and position
US6452959B1 (en) * 1999-05-28 2002-09-17 Dot Wireless, Inc. Method of and apparatus for generating data sequences for use in communications

Also Published As

Publication number Publication date
EP1444857A1 (en) 2004-08-11
EP1444857B1 (en) 2007-04-18
US20030095662A1 (en) 2003-05-22
CN1611093A (zh) 2005-04-27
CA2467428A1 (en) 2003-05-30
JP4727922B2 (ja) 2011-07-20
AU2008243160A1 (en) 2008-12-04
WO2003045106A1 (en) 2003-05-30
MXPA04004633A (es) 2004-08-12
JP2005510747A (ja) 2005-04-21
CN1611093B (zh) 2010-12-08
ATE360342T1 (de) 2007-05-15
CA2467428C (en) 2012-04-24
US7333614B2 (en) 2008-02-19
ES2283610T3 (es) 2007-11-01
DE60219664T2 (de) 2007-12-20
AU2002348284A1 (en) 2003-06-10
DE60219664D1 (de) 2007-05-31

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Legal Events

Date Code Title Description
B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B15K Others concerning applications: alteration of classification

Free format text: AS CLASSIFICACOES ANTERIORES ERAM: H04Q 7/38 , H04L 9/22

Ipc: H04L 9/22 (2006.01), H04J 13/00 (2011.01)

B09B Patent application refused [chapter 9.2 patent gazette]
B09B Patent application refused [chapter 9.2 patent gazette]

Free format text: MANTIDO O INDEFERIMENTO UMA VEZ QUE NAO FOI APRESENTADO RECURSO DENTRO DO PRAZO LEGAL.