TWI768085B - 用於低密度同位檢查基圖決定和指示的技術和裝置 - Google Patents

用於低密度同位檢查基圖決定和指示的技術和裝置 Download PDF

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Publication number
TWI768085B
TWI768085B TW107125310A TW107125310A TWI768085B TW I768085 B TWI768085 B TW I768085B TW 107125310 A TW107125310 A TW 107125310A TW 107125310 A TW107125310 A TW 107125310A TW I768085 B TWI768085 B TW I768085B
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TW
Taiwan
Prior art keywords
basemap
communication
tbs
nominal
transmission
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TW107125310A
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English (en)
Chinese (zh)
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TW201919417A (zh
Inventor
晉 孫
濤 駱
彼得 加爾
陳旺旭
約瑟夫畢那米拉 索瑞亞嘉
石門 派特
亞力山德羅斯 瑪諾拉寇斯
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美商高通公司
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Publication of TW201919417A publication Critical patent/TW201919417A/zh
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/04—Error control
    • 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
    • H03M13/1148—Structural properties of the code parity-check or generator matrix
    • H03M13/116—Quasi-cyclic LDPC [QC-LDPC] codes, i.e. the parity-check matrix being composed of permutation or circulant sub-matrices
    • 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
    • H03M13/35—Unequal or adaptive error protection, e.g. by providing a different level of protection according to significance of source information or by adapting the coding according to the change of transmission channel characteristics
    • H03M13/353—Adaptation to the channel
    • 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
    • H03M13/35—Unequal or adaptive error protection, e.g. by providing a different level of protection according to significance of source information or by adapting the coding according to the change of transmission channel characteristics
    • H03M13/356—Unequal error protection [UEP]
    • 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
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
    • H04L1/0003—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate by switching between different modulation schemes
    • 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
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0009—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the channel coding
    • H04L1/0013—Rate matching, e.g. puncturing or repetition of code symbols
    • 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
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0025—Transmission of mode-switching indication
    • 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
    • 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
    • H04L1/0075—Transmission of coding parameters to receiver
    • 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
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1829—Arrangements specially adapted for the receiver end
    • H04L1/1835—Buffer management
    • H04L1/1845—Combining techniques, e.g. code combining

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Quality & Reliability (AREA)
  • Probability & Statistics with Applications (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Error Detection And Correction (AREA)
  • Detection And Correction Of Errors (AREA)
TW107125310A 2017-07-28 2018-07-23 用於低密度同位檢查基圖決定和指示的技術和裝置 TWI768085B (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
GR20170100356 2017-07-28
GR20170100356 2017-07-28
??20170100356 2017-07-28
US16/041,100 US10887791B2 (en) 2017-07-28 2018-07-20 Techniques and apparatuses for low density parity check base graph determination and indication
US16/041,100 2018-07-20

Publications (2)

Publication Number Publication Date
TW201919417A TW201919417A (zh) 2019-05-16
TWI768085B true TWI768085B (zh) 2022-06-21

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Country Link
US (1) US10887791B2 (enExample)
EP (1) EP3659281B1 (enExample)
JP (1) JP7196152B2 (enExample)
KR (1) KR102780813B1 (enExample)
CN (1) CN110959264B (enExample)
BR (1) BR112020001434A2 (enExample)
SG (1) SG11201912073SA (enExample)
TW (1) TWI768085B (enExample)
WO (1) WO2019023137A1 (enExample)

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KR102297264B1 (ko) 2017-08-24 2021-09-03 텔레호낙티에볼라게트 엘엠 에릭슨(피유비엘) 3gpp nr을 위한 베이스 그래프 선택
EP3563503B1 (en) * 2017-10-03 2021-03-17 Telefonaktiebolaget LM Ericsson (PUBL) Tbs determination with multiple base graphs
US11139912B2 (en) 2019-03-29 2021-10-05 Samsung Electronics Co., Ltd. Method and apparatus for repetition-based data transmission for network cooperative communication
KR102659488B1 (ko) * 2019-03-29 2024-04-23 삼성전자주식회사 네트워크 협력통신을 위한 데이터 반복 전송 방법 및 장치
WO2021049888A1 (en) * 2019-09-10 2021-03-18 Samsung Electronics Co., Ltd. Method and apparatus for data decoding in communication or broadcasting system
MX2023000721A (es) * 2020-07-15 2023-02-14 Zte Corp Determinacion de tama?o de bloque de transporte.
KR20230109998A (ko) * 2022-01-14 2023-07-21 삼성전자주식회사 통신 시스템에서 제어 정보 및 데이터를 송수신하기 위한 장치 및 방법
US12068811B2 (en) * 2022-08-12 2024-08-20 Qualcomm Incorporated LDPC base graph selection systems and methods
US20240097819A1 (en) * 2022-09-21 2024-03-21 Qualcomm Incorporated Signaling and reports for low density parity check graph adaptation
US12289163B2 (en) * 2022-12-27 2025-04-29 Qualcomm Incorporated Low density parity check graph adaptation
CN121079902A (zh) * 2023-05-10 2025-12-05 诺基亚技术有限公司 无线通信网络中低密度奇偶校验编码方案的动态更新或定义
WO2025034777A1 (en) * 2023-08-07 2025-02-13 Interdigital Patent Holdings, Inc. Adaptive base graph selection for ldpc coding

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Also Published As

Publication number Publication date
KR102780813B1 (ko) 2025-03-12
CN110959264A (zh) 2020-04-03
CN110959264B (zh) 2022-09-30
US10887791B2 (en) 2021-01-05
EP3659281C0 (en) 2024-08-21
SG11201912073SA (en) 2020-02-27
EP3659281B1 (en) 2024-08-21
JP7196152B2 (ja) 2022-12-26
WO2019023137A1 (en) 2019-01-31
BR112020001434A2 (pt) 2020-07-28
US20190037437A1 (en) 2019-01-31
EP3659281A1 (en) 2020-06-03
JP2020529152A (ja) 2020-10-01
KR20200033262A (ko) 2020-03-27
TW201919417A (zh) 2019-05-16

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