GB2582715B - Dynamic scaling of channel state information - Google Patents

Dynamic scaling of channel state information Download PDF

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Publication number
GB2582715B
GB2582715B GB2006541.3A GB202006541A GB2582715B GB 2582715 B GB2582715 B GB 2582715B GB 202006541 A GB202006541 A GB 202006541A GB 2582715 B GB2582715 B GB 2582715B
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United Kingdom
Prior art keywords
state information
channel state
dynamic scaling
scaling
dynamic
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.)
Active
Application number
GB2006541.3A
Other versions
GB2582715A (en
GB202006541D0 (en
Inventor
Carvalho Filipe
Murrin Paul
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 GB2006541.3A priority Critical patent/GB2582715B/en
Priority claimed from GB1810782.1A external-priority patent/GB2575118B/en
Publication of GB202006541D0 publication Critical patent/GB202006541D0/en
Publication of GB2582715A publication Critical patent/GB2582715A/en
Application granted granted Critical
Publication of GB2582715B publication Critical patent/GB2582715B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0057—Block codes
    • 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
    • H03M13/03—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words
    • H03M13/05—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words using block codes, i.e. a predetermined number of check bits joined to a predetermined number of information bits
    • H03M13/11—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words using block codes, i.e. a predetermined number of check bits joined to a predetermined number of information bits using multiple parity bits
    • H03M13/1102—Codes on graphs and decoding on graphs, e.g. low-density parity check [LDPC] codes
    • H03M13/1105—Decoding
    • H03M13/1111—Soft-decision decoding, e.g. by means of message passing or belief propagation algorithms
    • 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
    • H03M13/3707—Adaptive decoding and hybrid decoding, e.g. decoding methods or techniques providing more than one decoding algorithm for one code
    • H03M13/3715—Adaptation to the number of estimated errors or to the channel state
    • 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
    • H03M13/3738—Decoding methods or techniques, not specific to the particular type of coding provided for in groups H03M13/03 - H03M13/35 with judging correct decoding
    • 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
    • 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
    • H03M13/6337—Error control coding in combination with channel estimation
    • 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
    • H03M13/65—Purpose and implementation aspects
    • H03M13/6577—Representation or format of variables, register sizes or word-lengths and quantization
    • H03M13/658—Scaling by multiplication or division
    • 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
    • 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
    • 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
    • H04L1/005—Iterative decoding, including iteration between signal detection and decoding operation
GB2006541.3A 2018-06-29 2018-06-29 Dynamic scaling of channel state information Active GB2582715B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2006541.3A GB2582715B (en) 2018-06-29 2018-06-29 Dynamic scaling of channel state information

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1810782.1A GB2575118B (en) 2018-06-29 2018-06-29 Dynamic scaling of channel state information
GB2006541.3A GB2582715B (en) 2018-06-29 2018-06-29 Dynamic scaling of channel state information

Publications (3)

Publication Number Publication Date
GB202006541D0 GB202006541D0 (en) 2020-06-17
GB2582715A GB2582715A (en) 2020-09-30
GB2582715B true GB2582715B (en) 2021-09-01

Family

ID=71080651

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2006541.3A Active GB2582715B (en) 2018-06-29 2018-06-29 Dynamic scaling of channel state information

Country Status (1)

Country Link
GB (1) GB2582715B (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2204984A1 (en) * 2008-12-30 2010-07-07 Intel Corporation Broadcast receiver and method for optimizing a scale factor for a log-likelihood mapper
EP2852079A1 (en) * 2012-05-14 2015-03-25 Mitsubishi Electric Corporation Receiving device and receiving method

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2204984A1 (en) * 2008-12-30 2010-07-07 Intel Corporation Broadcast receiver and method for optimizing a scale factor for a log-likelihood mapper
EP2852079A1 (en) * 2012-05-14 2015-03-25 Mitsubishi Electric Corporation Receiving device and receiving method

Also Published As

Publication number Publication date
GB2582715A (en) 2020-09-30
GB202006541D0 (en) 2020-06-17

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