GB201813690D0 - Systems and methods for adjusting the sample timing of a GFSK modulated signal - Google Patents

Systems and methods for adjusting the sample timing of a GFSK modulated signal

Info

Publication number
GB201813690D0
GB201813690D0 GBGB1813690.3A GB201813690A GB201813690D0 GB 201813690 D0 GB201813690 D0 GB 201813690D0 GB 201813690 A GB201813690 A GB 201813690A GB 201813690 D0 GB201813690 D0 GB 201813690D0
Authority
GB
United Kingdom
Prior art keywords
adjusting
systems
methods
modulated signal
sample timing
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.)
Granted
Application number
GBGB1813690.3A
Other versions
GB2576532A (en
GB2576532B (en
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.)
Imagination Technologies Ltd
Original Assignee
Imagination Technologies 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 Imagination Technologies Ltd filed Critical Imagination Technologies Ltd
Priority to GB1813690.3A priority Critical patent/GB2576532B/en
Publication of GB201813690D0 publication Critical patent/GB201813690D0/en
Priority to CN201910768559.1A priority patent/CN110858826A/en
Priority to CN201910767776.9A priority patent/CN110858825B/en
Priority to EP19192762.3A priority patent/EP3614638A1/en
Priority to EP19192761.5A priority patent/EP3614637B1/en
Priority to US16/547,886 priority patent/US10756935B2/en
Priority to US16/547,791 priority patent/US10742460B2/en
Publication of GB2576532A publication Critical patent/GB2576532A/en
Priority to US16/920,849 priority patent/US11044128B2/en
Application granted granted Critical
Publication of GB2576532B publication Critical patent/GB2576532B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • H04L27/20—Modulator circuits; Transmitter circuits
    • H04L27/2003—Modulator circuits; Transmitter circuits for continuous phase modulation
    • H04L27/2007—Modulator circuits; Transmitter circuits for continuous phase modulation in which the phase change within each symbol period is constrained
    • H04L27/2017—Modulator circuits; Transmitter circuits for continuous phase modulation in which the phase change within each symbol period is constrained in which the phase changes are non-linear, e.g. generalized and Gaussian minimum shift keying, tamed frequency modulation
    • 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
    • H03M13/37—Decoding methods or techniques, not specific to the particular type of coding provided for in groups H03M13/03 - H03M13/35
    • H03M13/39—Sequence estimation, i.e. using statistical methods for the reconstruction of the original codes
    • H03M13/41—Sequence estimation, i.e. using statistical methods for the reconstruction of the original codes using the Viterbi algorithm or Viterbi processors
    • 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
    • H03M13/63—Joint error correction and other techniques
    • H03M13/6325—Error control coding in combination with demodulation
    • 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
    • H04L1/0047—Decoding adapted to other signal detection operation
    • 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
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0059—Convolutional codes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
    • H04L27/14—Demodulator circuits; Receiver circuits
    • 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
    • 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
    • H03M13/37—Decoding methods or techniques, not specific to the particular type of coding provided for in groups H03M13/03 - H03M13/35
    • H03M13/39—Sequence estimation, i.e. using statistical methods for the reconstruction of the original codes
    • H03M13/41—Sequence estimation, i.e. using statistical methods for the reconstruction of the original codes using the Viterbi algorithm or Viterbi processors
    • H03M13/4161—Sequence estimation, i.e. using statistical methods for the reconstruction of the original codes using the Viterbi algorithm or Viterbi processors implementing path management
    • H03M13/4169—Sequence estimation, i.e. using statistical methods for the reconstruction of the original codes using the Viterbi algorithm or Viterbi processors implementing path management using traceback
GB1813690.3A 2018-08-22 2018-08-22 Systems and methods for adjusting the sample timing of a GFSK modulated signal Active GB2576532B (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
GB1813690.3A GB2576532B (en) 2018-08-22 2018-08-22 Systems and methods for adjusting the sample timing of a GFSK modulated signal
CN201910768559.1A CN110858826A (en) 2018-08-22 2019-08-20 GFSK detector
CN201910767776.9A CN110858825B (en) 2018-08-22 2019-08-20 System and method for adjusting sampling timing of GFSK modulated signal
EP19192761.5A EP3614637B1 (en) 2018-08-22 2019-08-21 Systems and methods for adjusting the sample timing of a gfsk modulated signal
EP19192762.3A EP3614638A1 (en) 2018-08-22 2019-08-21 Gfsk detector
US16/547,886 US10756935B2 (en) 2018-08-22 2019-08-22 GFSK detector
US16/547,791 US10742460B2 (en) 2018-08-22 2019-08-22 Systems and methods for adjusting the sample timing of a GFSK modulated signal
US16/920,849 US11044128B2 (en) 2018-08-22 2020-07-06 Systems and methods for adjusting the sample timing of a GFSK modulated signal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1813690.3A GB2576532B (en) 2018-08-22 2018-08-22 Systems and methods for adjusting the sample timing of a GFSK modulated signal

Publications (3)

Publication Number Publication Date
GB201813690D0 true GB201813690D0 (en) 2018-10-03
GB2576532A GB2576532A (en) 2020-02-26
GB2576532B GB2576532B (en) 2020-09-30

Family

ID=63668155

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1813690.3A Active GB2576532B (en) 2018-08-22 2018-08-22 Systems and methods for adjusting the sample timing of a GFSK modulated signal

Country Status (1)

Country Link
GB (1) GB2576532B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114900410A (en) * 2022-03-25 2022-08-12 西安邮电大学 Low-operand CPFSK signal multi-symbol detection algorithm

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117061293B (en) * 2023-10-13 2024-01-09 上海富芮坤微电子有限公司 GFSK modulation predistortion compensation circuit and method

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1901509A1 (en) * 2006-09-14 2008-03-19 BRITISH TELECOMMUNICATIONS public limited company M-GFSK receiver with a Viterbi-decoder having reduced trellis states
JP2010178103A (en) * 2009-01-30 2010-08-12 Mitsubishi Electric Corp Spread spectrum receiving apparatus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114900410A (en) * 2022-03-25 2022-08-12 西安邮电大学 Low-operand CPFSK signal multi-symbol detection algorithm
CN114900410B (en) * 2022-03-25 2023-06-09 西安邮电大学 Low-operand CPFSK signal multi-symbol detection algorithm

Also Published As

Publication number Publication date
GB2576532A (en) 2020-02-26
GB2576532B (en) 2020-09-30

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