[go: up one dir, main page]

GB2381425B - Communication system - Google Patents

Communication system

Info

Publication number
GB2381425B
GB2381425B GB0125875A GB0125875A GB2381425B GB 2381425 B GB2381425 B GB 2381425B GB 0125875 A GB0125875 A GB 0125875A GB 0125875 A GB0125875 A GB 0125875A GB 2381425 B GB2381425 B GB 2381425B
Authority
GB
United Kingdom
Prior art keywords
communication system
communication
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
Application number
GB0125875A
Other versions
GB2381425A (en
GB0125875D0 (en
Inventor
John Joseph Spicer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Roke Manor Research Ltd
Original Assignee
Roke Manor Research Ltd
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 Roke Manor Research Ltd filed Critical Roke Manor Research Ltd
Priority to GB0125875A priority Critical patent/GB2381425B/en
Publication of GB0125875D0 publication Critical patent/GB0125875D0/en
Publication of GB2381425A publication Critical patent/GB2381425A/en
Application granted granted Critical
Publication of GB2381425B publication Critical patent/GB2381425B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0041—Arrangements at the transmitter end
    • H04L1/0043—Realisations of complexity reduction techniques, e.g. use of look-up tables
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0045—Arrangements at the receiver end
    • H04L1/0052—Realisations of complexity reduction techniques, e.g. pipelining or use of look-up tables
    • 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
    • H04L9/0618—Block ciphers, i.e. encrypting groups of characters of a plain text message using fixed encryption transformation
    • H04L9/0631—Substitution permutation network [SPN], i.e. cipher composed of a number of stages or rounds each involving linear and nonlinear transformations, e.g. AES algorithms
    • 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
    • H04L2209/30—Compression, e.g. Merkle-Damgard construction
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Physics & Mathematics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Theoretical Computer Science (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
GB0125875A 2001-10-29 2001-10-29 Communication system Expired - Fee Related GB2381425B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0125875A GB2381425B (en) 2001-10-29 2001-10-29 Communication system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0125875A GB2381425B (en) 2001-10-29 2001-10-29 Communication system

Publications (3)

Publication Number Publication Date
GB0125875D0 GB0125875D0 (en) 2001-12-19
GB2381425A GB2381425A (en) 2003-04-30
GB2381425B true GB2381425B (en) 2004-07-14

Family

ID=9924689

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0125875A Expired - Fee Related GB2381425B (en) 2001-10-29 2001-10-29 Communication system

Country Status (1)

Country Link
GB (1) GB2381425B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10831935B2 (en) * 2017-08-31 2020-11-10 Pure Storage, Inc. Encryption management with host-side data reduction

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4608456A (en) * 1983-05-27 1986-08-26 M/A-Com Linkabit, Inc. Digital audio scrambling system with error conditioning
US5150401A (en) * 1990-12-04 1992-09-22 Chips International, Inc. Retrofittable encryption/decryption apparatus using modified frequency modulation
US5757416A (en) * 1993-12-03 1998-05-26 Scientific-Atlanta, Inc. System and method for transmitting a plurality of digital services including imaging services

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4608456A (en) * 1983-05-27 1986-08-26 M/A-Com Linkabit, Inc. Digital audio scrambling system with error conditioning
US5150401A (en) * 1990-12-04 1992-09-22 Chips International, Inc. Retrofittable encryption/decryption apparatus using modified frequency modulation
US5757416A (en) * 1993-12-03 1998-05-26 Scientific-Atlanta, Inc. System and method for transmitting a plurality of digital services including imaging services

Also Published As

Publication number Publication date
GB2381425A (en) 2003-04-30
GB0125875D0 (en) 2001-12-19

Similar Documents

Publication Publication Date Title
AU9495501A (en) Communication system
GB0104282D0 (en) Communication system
GB0120172D0 (en) Distributed communication system
GB0100713D0 (en) Communications system
IL137783A0 (en) Communication system
GB0124841D0 (en) Communication system
IL156896A0 (en) Communication system
GB0116553D0 (en) Entry communication system
GB2383724B (en) Communications system
GB0114022D0 (en) Communications system
SG121728A1 (en) Road-vehicle communication system
GB0117770D0 (en) Communication system
GB2374492B (en) Communication system
IL144420A0 (en) Ground-to-satellite-to-air communication system
GB2376380B (en) Communication system
GB2381425B (en) Communication system
GB0116019D0 (en) Communications system
GB0116020D0 (en) Communications system
GB2361841B (en) Communication system
GB0009466D0 (en) Communication system
GB0129164D0 (en) Communication system
GB0130935D0 (en) Communication system
GB0125879D0 (en) Communication system
GB0125317D0 (en) Asyncchronous communication system
GB0114714D0 (en) Communication system

Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20051029