GB2306085B - Digital communication system - Google Patents

Digital communication system

Info

Publication number
GB2306085B
GB2306085B GB9620130A GB9620130A GB2306085B GB 2306085 B GB2306085 B GB 2306085B GB 9620130 A GB9620130 A GB 9620130A GB 9620130 A GB9620130 A GB 9620130A GB 2306085 B GB2306085 B GB 2306085B
Authority
GB
United Kingdom
Prior art keywords
communication system
digital communication
digital
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
GB9620130A
Other versions
GB9620130D0 (en
GB2306085A (en
Inventor
Stuart Gordon Farquhar
Angela Penelope Noble
John Paul Thorlby
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.)
UK Secretary of State for Defence
Original Assignee
UK Secretary of State for Defence
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
Priority claimed from GBGB9520037.4A external-priority patent/GB9520037D0/en
Application filed by UK Secretary of State for Defence filed Critical UK Secretary of State for Defence
Priority to GB9620130A priority Critical patent/GB2306085B/en
Publication of GB9620130D0 publication Critical patent/GB9620130D0/en
Publication of GB2306085A publication Critical patent/GB2306085A/en
Application granted granted Critical
Publication of GB2306085B publication Critical patent/GB2306085B/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
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/3488—Multiresolution systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/22—Demodulator circuits; Receiver circuits
    • H04L27/233—Demodulator circuits; Receiver circuits using non-coherent demodulation
    • H04L27/2331—Demodulator circuits; Receiver circuits using non-coherent demodulation wherein the received signal is demodulated using one or more delayed versions of itself

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
GB9620130A 1995-10-02 1996-09-27 Digital communication system Expired - Fee Related GB2306085B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9620130A GB2306085B (en) 1995-10-02 1996-09-27 Digital communication system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB9520037.4A GB9520037D0 (en) 1995-10-02 1995-10-02 Digital communication system
GB9620130A GB2306085B (en) 1995-10-02 1996-09-27 Digital communication system

Publications (3)

Publication Number Publication Date
GB9620130D0 GB9620130D0 (en) 1996-11-13
GB2306085A GB2306085A (en) 1997-04-23
GB2306085B true GB2306085B (en) 1999-11-03

Family

ID=26307851

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9620130A Expired - Fee Related GB2306085B (en) 1995-10-02 1996-09-27 Digital communication system

Country Status (1)

Country Link
GB (1) GB2306085B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI105751B (en) * 1998-05-29 2000-09-29 Nokia Networks Oy demodulation
GB201314498D0 (en) * 2013-08-13 2013-09-25 Univ Huddersfield Improvements to Receivers and Method of Use Thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2210237A (en) * 1987-09-18 1989-06-01 Racal Data Communications Inc Constellation multiplexed inband secondary channel for voiceband modem
GB2216367A (en) * 1988-02-22 1989-10-04 Silicon Systems Inc Digital fast recovery timing algorithm
US5042052A (en) * 1990-02-16 1991-08-20 Harris Corporation Carrier acquisition scheme for QAM and QPSK data
GB2274759A (en) * 1993-02-02 1994-08-03 Nokia Mobile Phones Ltd Correction of D.C. offset in received and demodulated radio signals
GB2300093A (en) * 1995-04-19 1996-10-23 Motorola Inc Receiver for timing recovery and frequency estimation

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2210237A (en) * 1987-09-18 1989-06-01 Racal Data Communications Inc Constellation multiplexed inband secondary channel for voiceband modem
GB2245458A (en) * 1987-09-18 1992-01-02 Racal Data Communications Inc Data modem adjustment
GB2216367A (en) * 1988-02-22 1989-10-04 Silicon Systems Inc Digital fast recovery timing algorithm
US5042052A (en) * 1990-02-16 1991-08-20 Harris Corporation Carrier acquisition scheme for QAM and QPSK data
GB2274759A (en) * 1993-02-02 1994-08-03 Nokia Mobile Phones Ltd Correction of D.C. offset in received and demodulated radio signals
GB2300093A (en) * 1995-04-19 1996-10-23 Motorola Inc Receiver for timing recovery and frequency estimation

Also Published As

Publication number Publication date
GB9620130D0 (en) 1996-11-13
GB2306085A (en) 1997-04-23

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20100927