GB2239375B - Error detection - Google Patents

Error detection

Info

Publication number
GB2239375B
GB2239375B GB9025985A GB9025985A GB2239375B GB 2239375 B GB2239375 B GB 2239375B GB 9025985 A GB9025985 A GB 9025985A GB 9025985 A GB9025985 A GB 9025985A GB 2239375 B GB2239375 B GB 2239375B
Authority
GB
United Kingdom
Prior art keywords
error detection
error
detection
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
GB9025985A
Other versions
GB2239375A (en
GB9025985D0 (en
Inventor
James C Baker
Stephen N Levine
Larry C Puhl
Scott N Carney
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.)
Motorola Solutions Inc
Original Assignee
Motorola 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 Motorola Inc filed Critical Motorola Inc
Publication of GB9025985D0 publication Critical patent/GB9025985D0/en
Publication of GB2239375A publication Critical patent/GB2239375A/en
Application granted granted Critical
Publication of GB2239375B publication Critical patent/GB2239375B/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
    • H04L1/24—Testing correct operation
    • H04L1/241—Testing correct operation using pseudo-errors
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers without distortion of the input signal
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/34—Muting amplifier when no signal is present or when only weak signals are present, or caused by the presence of noise signals, e.g. squelch systems
    • H03G3/342—Muting when some special characteristic of the signal is sensed which distinguishes it from noise, e.g. using speech detector

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
GB9025985A 1989-11-29 1990-11-29 Error detection Expired - Fee Related GB2239375B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US44288789A 1989-11-29 1989-11-29

Publications (3)

Publication Number Publication Date
GB9025985D0 GB9025985D0 (en) 1991-01-16
GB2239375A GB2239375A (en) 1991-06-26
GB2239375B true GB2239375B (en) 1994-05-04

Family

ID=23758540

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9025985A Expired - Fee Related GB2239375B (en) 1989-11-29 1990-11-29 Error detection

Country Status (3)

Country Link
JP (1) JP2627021B2 (en)
GB (1) GB2239375B (en)
MX (1) MX174068B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2255693A (en) * 1991-05-02 1992-11-11 Texas Instruments Ltd A digital data decoder
US5396653A (en) * 1992-06-05 1995-03-07 Nokia Mobile Phones Ltd. Cellular telephone signalling circuit operable with different cellular telephone systems
US5606548A (en) * 1996-04-16 1997-02-25 Nokia Mobile Phones Limited Mobile terminal having improved digital control channel (DCCH) search procedure

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2030028A (en) * 1978-08-19 1980-03-26 Tekade Felten & Guilleaume Circuit arrangements for the recognition of errors in digital signals
GB2063627A (en) * 1979-11-12 1981-06-03 Philips Electronic Associated Arrangement for determining a data slicing level for a bi-amplitude data pulse signal
GB1603041A (en) * 1977-05-06 1981-11-18 Poitevin J P R Apparatus for evaluating the error rate of a digital signal
EP0255065A2 (en) * 1986-07-26 1988-02-03 Nec Corporation Burst signal detection apparatus
EP0306757A2 (en) * 1987-09-10 1989-03-15 Nippon Motorola Ltd. Error detection and correction circuit
GB2214760A (en) * 1988-01-29 1989-09-06 Plessey Co Plc A method of removing unwanted digital sequences from a communication system
EP0400983A2 (en) * 1989-05-30 1990-12-05 Motorola, Inc. Bit error rate detection

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4649543A (en) 1985-08-30 1987-03-10 Motorola, Inc. Synchronization sequence decoder for a digital radiotelephone system
JPS6331328A (en) * 1986-07-25 1988-02-10 Matsushita Electric Ind Co Ltd Digital mobile radio equipment
JPS6369073A (en) * 1986-09-10 1988-03-29 Mitsubishi Electric Corp Muting circuit
JPH01232575A (en) * 1988-03-10 1989-09-18 Victor Co Of Japan Ltd Muting method

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1603041A (en) * 1977-05-06 1981-11-18 Poitevin J P R Apparatus for evaluating the error rate of a digital signal
GB2030028A (en) * 1978-08-19 1980-03-26 Tekade Felten & Guilleaume Circuit arrangements for the recognition of errors in digital signals
GB2063627A (en) * 1979-11-12 1981-06-03 Philips Electronic Associated Arrangement for determining a data slicing level for a bi-amplitude data pulse signal
EP0255065A2 (en) * 1986-07-26 1988-02-03 Nec Corporation Burst signal detection apparatus
EP0306757A2 (en) * 1987-09-10 1989-03-15 Nippon Motorola Ltd. Error detection and correction circuit
GB2214760A (en) * 1988-01-29 1989-09-06 Plessey Co Plc A method of removing unwanted digital sequences from a communication system
EP0400983A2 (en) * 1989-05-30 1990-12-05 Motorola, Inc. Bit error rate detection

Also Published As

Publication number Publication date
JP2627021B2 (en) 1997-07-02
GB2239375A (en) 1991-06-26
MX174068B (en) 1994-04-19
JPH03182134A (en) 1991-08-08
GB9025985D0 (en) 1991-01-16

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Legal Events

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

Effective date: 20011129