GB2239768B - Frequency hopping system for congested environments - Google Patents

Frequency hopping system for congested environments

Info

Publication number
GB2239768B
GB2239768B GB9010457A GB9010457A GB2239768B GB 2239768 B GB2239768 B GB 2239768B GB 9010457 A GB9010457 A GB 9010457A GB 9010457 A GB9010457 A GB 9010457A GB 2239768 B GB2239768 B GB 2239768B
Authority
GB
United Kingdom
Prior art keywords
frequency hopping
hopping system
congested environments
congested
environments
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
GB9010457A
Other versions
GB9010457D0 (en
GB2239768A (en
Inventor
Anthony Peter Hulbert
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.)
PLESSEY RESEARCH ROKE MANOR LI
Roke Manor Research Ltd
Original Assignee
PLESSEY RESEARCH ROKE MANOR LI
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 PLESSEY RESEARCH ROKE MANOR LI, Roke Manor Research Ltd filed Critical PLESSEY RESEARCH ROKE MANOR LI
Publication of GB9010457D0 publication Critical patent/GB9010457D0/en
Publication of GB2239768A publication Critical patent/GB2239768A/en
Application granted granted Critical
Publication of GB2239768B publication Critical patent/GB2239768B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • H04B1/713—Spread spectrum techniques using frequency hopping
    • H04B1/7156—Arrangements for sequence synchronisation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radio Transmission System (AREA)
  • Mobile Radio Communication Systems (AREA)
GB9010457A 1990-01-06 1990-05-10 Frequency hopping system for congested environments Expired - Fee Related GB2239768B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB909000319A GB9000319D0 (en) 1990-01-06 1990-01-06 Frequency hopping system for congested environments

Publications (3)

Publication Number Publication Date
GB9010457D0 GB9010457D0 (en) 1990-07-04
GB2239768A GB2239768A (en) 1991-07-10
GB2239768B true GB2239768B (en) 1994-02-02

Family

ID=10668940

Family Applications (2)

Application Number Title Priority Date Filing Date
GB909000319A Pending GB9000319D0 (en) 1990-01-06 1990-01-06 Frequency hopping system for congested environments
GB9010457A Expired - Fee Related GB2239768B (en) 1990-01-06 1990-05-10 Frequency hopping system for congested environments

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB909000319A Pending GB9000319D0 (en) 1990-01-06 1990-01-06 Frequency hopping system for congested environments

Country Status (1)

Country Link
GB (2) GB9000319D0 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5640415A (en) * 1994-06-10 1997-06-17 Vlsi Technology, Inc. Bit error performance of a frequency hopping, radio communication system
GB2296407B (en) 1994-12-22 1999-10-06 Roke Manor Research Frequency hopped cellular mobile radio systems
US7027424B1 (en) 2000-05-24 2006-04-11 Vtech Communications, Ltd. Method for avoiding interference in a digital communication system
GB2374771B (en) * 2000-12-29 2004-07-07 Vtech Communications Ltd Frame structure with diversity
US7693488B2 (en) 2004-09-30 2010-04-06 Vtech Telecommunications Limited System and method for asymmetric enhanced mode operation in a digital communication system

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1987002206A1 (en) * 1985-10-04 1987-04-09 Hughes Aircraft Company Rapid frequency-hopping time synchronization

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1987002206A1 (en) * 1985-10-04 1987-04-09 Hughes Aircraft Company Rapid frequency-hopping time synchronization

Also Published As

Publication number Publication date
GB9010457D0 (en) 1990-07-04
GB9000319D0 (en) 1990-06-13
GB2239768A (en) 1991-07-10

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Legal Events

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

Effective date: 19960510