JP6674475B2 - 衛星システム内でのスペクトル効率の良いデータ送信のための方法および装置 - Google Patents

衛星システム内でのスペクトル効率の良いデータ送信のための方法および装置 Download PDF

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JP6674475B2
JP6674475B2 JP2017548407A JP2017548407A JP6674475B2 JP 6674475 B2 JP6674475 B2 JP 6674475B2 JP 2017548407 A JP2017548407 A JP 2017548407A JP 2017548407 A JP2017548407 A JP 2017548407A JP 6674475 B2 JP6674475 B2 JP 6674475B2
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JP2018515955A5 (enExample
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チャン・ウー
ピーター・ジョン・ブラック
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クアルコム,インコーポレイテッド
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/14Relay systems
    • H04B7/15Active relay systems
    • H04B7/185Space-based or airborne stations; Stations for satellite systems
    • H04B7/1851Systems using a satellite or space-based relay
    • H04B7/18517Transmission equipment in earth stations
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00Coding, 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
    • H03M13/03Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words
    • H03M13/05Error 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
    • H03M13/09Error detection only, e.g. using cyclic redundancy check [CRC] codes or single parity bit
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00Coding, 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
    • H03M13/25Error detection or forward error correction by signal space coding, i.e. adding redundancy in the signal constellation, e.g. Trellis Coded Modulation [TCM]
    • H03M13/258Error detection or forward error correction by signal space coding, i.e. adding redundancy in the signal constellation, e.g. Trellis Coded Modulation [TCM] with turbo codes, e.g. Turbo Trellis Coded Modulation [TTCM]
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00Coding, 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
    • H03M13/29Coding, 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 combining two or more codes or code structures, e.g. product codes, generalised product codes, concatenated codes, inner and outer codes
    • H03M13/2906Coding, 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 combining two or more codes or code structures, e.g. product codes, generalised product codes, concatenated codes, inner and outer codes using block codes
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/14Relay systems
    • H04B7/15Active relay systems
    • H04B7/185Space-based or airborne stations; Stations for satellite systems
    • H04B7/1851Systems using a satellite or space-based relay
    • H04B7/18519Operations control, administration or maintenance
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/14Relay systems
    • H04B7/15Active relay systems
    • H04B7/185Space-based or airborne stations; Stations for satellite systems
    • H04B7/1853Satellite systems for providing telephony service to a mobile station, i.e. mobile satellite service
    • H04B7/18539Arrangements for managing radio, resources, i.e. for establishing or releasing a connection
    • H04B7/18543Arrangements for managing radio, resources, i.e. for establishing or releasing a connection for adaptation of transmission parameters, e.g. power control
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/14Relay systems
    • H04B7/15Active relay systems
    • H04B7/185Space-based or airborne stations; Stations for satellite systems
    • H04B7/18578Satellite systems for providing broadband data service to individual earth stations
    • H04B7/1858Arrangements for data transmission on the physical system, i.e. for data bit transmission between network components
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/14Relay systems
    • H04B7/15Active relay systems
    • H04B7/185Space-based or airborne stations; Stations for satellite systems
    • H04B7/18578Satellite systems for providing broadband data service to individual earth stations
    • H04B7/18582Arrangements for data linking, i.e. for data framing, for error recovery, for multiple access
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/0001Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0002Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
    • H04L1/0003Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate by switching between different modulation schemes
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/0001Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0009Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the channel coding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/004Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0041Arrangements at the transmitter end
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/004Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056Systems characterized by the type of code used
    • H04L1/0057Block codes
    • H04L1/0058Block-coded modulation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/004Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056Systems characterized by the type of code used
    • H04L1/0064Concatenated codes
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/004Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056Systems characterized by the type of code used
    • H04L1/0064Concatenated codes
    • H04L1/0065Serial concatenated codes
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053Allocation of signalling, i.e. of overhead other than pilot signals
    • H04L5/0055Physical resource allocation for ACK/NACK
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/04Wireless resource allocation
    • H04W72/044Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446Resources in time domain, e.g. slots or frames
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/12Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16Arrangements 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
    • H04L1/18Automatic repetition systems, e.g. Van Duuren systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/12Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16Arrangements 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
    • H04L1/18Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1867Arrangements specially adapted for the transmitter end

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • Quality & Reliability (AREA)
  • Probability & Statistics with Applications (AREA)
  • Theoretical Computer Science (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Radio Relay Systems (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Error Detection And Correction (AREA)
JP2017548407A 2015-03-20 2016-03-11 衛星システム内でのスペクトル効率の良いデータ送信のための方法および装置 Expired - Fee Related JP6674475B2 (ja)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US201562136224P 2015-03-20 2015-03-20
US62/136,224 2015-03-20
US201562196277P 2015-07-23 2015-07-23
US62/196,277 2015-07-23
US14/865,590 2015-09-25
US14/865,590 US9893800B2 (en) 2015-03-20 2015-09-25 Method and apparatus for spectral efficient data transmission in satellite systems
PCT/US2016/022176 WO2016153822A1 (en) 2015-03-20 2016-03-11 Method and apparatus for spectral efficient data transmission in satellite systems

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JP2019222101A Division JP2020092425A (ja) 2015-03-20 2019-12-09 衛星システム内でのスペクトル効率の良いデータ送信のための方法および装置

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JP2018515955A JP2018515955A (ja) 2018-06-14
JP2018515955A5 JP2018515955A5 (enExample) 2018-09-20
JP6674475B2 true JP6674475B2 (ja) 2020-04-01

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JP2019222101A Pending JP2020092425A (ja) 2015-03-20 2019-12-09 衛星システム内でのスペクトル効率の良いデータ送信のための方法および装置

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US (2) US9893800B2 (enExample)
EP (1) EP3272033B1 (enExample)
JP (2) JP6674475B2 (enExample)
KR (1) KR101910311B1 (enExample)
CN (1) CN107431532A (enExample)
BR (1) BR112017020083B1 (enExample)
SG (1) SG11201706052YA (enExample)
WO (1) WO2016153822A1 (enExample)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9893800B2 (en) 2015-03-20 2018-02-13 Qualcomm Incorporated Method and apparatus for spectral efficient data transmission in satellite systems
US10944471B2 (en) 2015-06-17 2021-03-09 Hughes Network Systems, Llc System and method for providing high throughput data services using MEO and LEO satellite systems
US11483877B2 (en) * 2015-06-17 2022-10-25 Hughes Network Systems, Llc Approaches for high speed global packet data services for LEO/MEO satellite systems
CN108337923B (zh) * 2015-07-31 2021-02-09 维尔塞特公司 用于在卫星星座中提供灵活容量的卫星、系统及方法
US9991949B2 (en) * 2016-04-21 2018-06-05 University Of Louisiana At Lafayette Experimental smartphone ground station grid system and method
US10312996B2 (en) * 2016-09-30 2019-06-04 Hughes Network Systems, Llc Systems and methods for using adaptive coding and modulation in a regenerative satellite communication system
GB2557628B (en) 2016-12-13 2020-01-01 Inmarsat Global Ltd Forward link power control
CN108712200B (zh) * 2018-03-29 2021-08-10 航天东方红卫星有限公司 一种小卫星智能无线星务系统及控制方法
KR20250033332A (ko) * 2018-04-03 2025-03-07 인터디지탈 패튼 홀딩스, 인크 비-지상 네트워크용 하이브리드 자동 반복 요청(harq) 기술
WO2020086696A1 (en) * 2018-10-24 2020-04-30 Skaotlom Llc Lpwan communication protocol design with turbo codes
US10756860B2 (en) 2018-11-05 2020-08-25 XCOM Labs, Inc. Distributed multiple-input multiple-output downlink configuration
US10432272B1 (en) 2018-11-05 2019-10-01 XCOM Labs, Inc. Variable multiple-input multiple-output downlink user equipment
US10812216B2 (en) 2018-11-05 2020-10-20 XCOM Labs, Inc. Cooperative multiple-input multiple-output downlink scheduling
US10659112B1 (en) 2018-11-05 2020-05-19 XCOM Labs, Inc. User equipment assisted multiple-input multiple-output downlink configuration
EP3888256A4 (en) 2018-11-27 2022-08-31 Xcom Labs, Inc. NON-COHERENT COOPERATIVE MIMO COMMUNICATIONS
US11063645B2 (en) 2018-12-18 2021-07-13 XCOM Labs, Inc. Methods of wirelessly communicating with a group of devices
US10756795B2 (en) 2018-12-18 2020-08-25 XCOM Labs, Inc. User equipment with cellular link and peer-to-peer link
CN113242086B (zh) * 2019-01-23 2022-12-09 长沙天仪空间科技研究院有限公司 一种通信卫星
US11330649B2 (en) 2019-01-25 2022-05-10 XCOM Labs, Inc. Methods and systems of multi-link peer-to-peer communications
US10756767B1 (en) 2019-02-05 2020-08-25 XCOM Labs, Inc. User equipment for wirelessly communicating cellular signal with another user equipment
CN111726744B (zh) * 2019-03-21 2023-02-17 大唐移动通信设备有限公司 一种随机接入方法、装置及终端
US10686502B1 (en) 2019-04-29 2020-06-16 XCOM Labs, Inc. Downlink user equipment selection
US10735057B1 (en) 2019-04-29 2020-08-04 XCOM Labs, Inc. Uplink user equipment selection
US11411778B2 (en) 2019-07-12 2022-08-09 XCOM Labs, Inc. Time-division duplex multiple input multiple output calibration
US10924203B1 (en) 2019-07-26 2021-02-16 Hughes Network Systems, Llc On-the-fly inroute adaptive modulation
US11700424B2 (en) * 2019-12-31 2023-07-11 Hughes Network Systems, Llc DVB-S2 downlink ACM algorithm enhancement to improve data throughput
US11411779B2 (en) 2020-03-31 2022-08-09 XCOM Labs, Inc. Reference signal channel estimation
KR20230008750A (ko) 2020-04-15 2023-01-16 엑스콤 랩스 인코퍼레이티드 무선 네트워크 멀티포인트 연관 및 다양성
CN111641445B (zh) * 2020-04-17 2021-12-07 中国人民解放军军事科学院国防科技创新研究院 卫星通信与导航一体化处理系统及方法
WO2022241436A1 (en) 2021-05-14 2022-11-17 XCOM Labs, Inc. Scrambling identifiers for wireless communication systems
CN115473582A (zh) * 2021-06-11 2022-12-13 华为技术有限公司 编码方法、译码方法及光模块
CN118318397A (zh) * 2021-11-30 2024-07-09 三星电子株式会社 用于在通信和广播系统中解码数据的方法和设备
CN114867082B (zh) * 2022-03-31 2024-04-05 国网江苏省电力有限公司电力科学研究院 一种大规模电力物联网设备免授权接入系统及方法
US20240022318A1 (en) * 2022-07-13 2024-01-18 Ast & Science, Llc Satellite communication system with gateway diversity

Family Cites Families (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4344171A (en) 1980-12-11 1982-08-10 International Business Machines Corporation Effective error control scheme for satellite communications
GB2384394A (en) 2002-01-18 2003-07-23 Inmarsat Ltd Adapting transmission parameters to link conditions
US7287206B2 (en) * 2002-02-13 2007-10-23 Interdigital Technology Corporation Transport block set transmission using hybrid automatic repeat request
US6744766B2 (en) 2002-06-05 2004-06-01 Meshnetworks, Inc. Hybrid ARQ for a wireless Ad-Hoc network and a method for using the same
US7203490B2 (en) 2003-03-24 2007-04-10 Atc Technologies, Llc Satellite assisted push-to-send radioterminal systems and methods
JP2004304268A (ja) 2003-03-28 2004-10-28 Matsushita Electric Ind Co Ltd 無線送信装置、無線受信装置及び方法
ES2726017T3 (es) 2005-10-28 2019-10-01 Viasat Inc Codificación y modulación adaptativa para la transmisión de datos de banda ancha
US7630682B2 (en) 2006-01-04 2009-12-08 Globalstar, Inc. Satellite communication system employing a combination of time slots and orthogonal codes
FR2905045B1 (fr) * 2006-08-17 2011-09-02 Cit Alcatel Dispositif de traitement pour la transmission de mesures effectuees par des terminaux radio
CN101584130B (zh) * 2006-10-03 2013-06-12 维尔塞特公司 具有子信道的前向卫星链路
CN101573922A (zh) * 2006-10-06 2009-11-04 维尔塞特公司 用于多速率下行数据流中出站链路速率调整的动态反馈
EP1944896A1 (en) * 2007-01-09 2008-07-16 Matsushita Electric Industrial Co., Ltd. Configuration of control channels in a mobile communication system
US8660481B2 (en) * 2007-03-21 2014-02-25 Viasat, Inc. Techniques for providing broadcast services on spot beam satellites
US7853857B2 (en) * 2007-09-14 2010-12-14 Motorola Mobility, Inc. Multi-layer cyclic redundancy check code in wireless communication system
US9083474B2 (en) * 2008-04-25 2015-07-14 Qualcomm Incorporated Multimedia broadcast forwarding systems and methods
CN101282204B (zh) * 2008-05-13 2011-04-27 山东大学 基于自适应编码调制的自适应协作重传方法
EP2293453B1 (en) 2008-07-02 2015-09-23 Panasonic Intellectual Property Corporation of America Packet communication using interleaved low-density parity-check convolutional codes (LDPC-CC)
WO2011100646A1 (en) 2010-02-12 2011-08-18 Interdigital Patent Holdings, Inc. Sending feedback for multiple downlink carriers
JP5590139B2 (ja) * 2010-11-04 2014-09-17 富士通株式会社 無線通信方法、中継局、移動局および移動通信システム
KR20120065130A (ko) 2010-12-10 2012-06-20 한국전자통신연구원 위성 시스템의 리턴 링크에서의 신호 복조방법 및 그 복조장치, 리턴 링크에서의 신호 변조방법 및 그 변조 장치
JP2013021544A (ja) 2011-07-12 2013-01-31 Fujitsu Ltd 無線通信システム、無線通信装置及び無線通信方法
US8797966B2 (en) 2011-09-23 2014-08-05 Ofinno Technologies, Llc Channel state information transmission
KR20130050718A (ko) 2011-11-08 2013-05-16 한국전자통신연구원 기상 데이터를 토대로 하는 채널 예측 방법 및 그 장치
KR101687047B1 (ko) 2012-08-22 2016-12-15 한국전자통신연구원 위성통신용 포워드링크의 적응형 코딩 변조장치 및 방법
JP6101544B2 (ja) * 2013-04-05 2017-03-22 京セラ株式会社 基地局、通信制御方法、及びプロセッサ
FR3006133B1 (fr) * 2013-05-24 2016-09-02 Thales Sa Procede de decodage d'un code correcteur, par exemple un turbo-code, par analyse du spectre etendu des mots du code
US9491269B2 (en) * 2014-04-11 2016-11-08 Apple Inc. Uplink transmission rate in a wireless communication device
US9893800B2 (en) 2015-03-20 2018-02-13 Qualcomm Incorporated Method and apparatus for spectral efficient data transmission in satellite systems

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BR112017020083B1 (pt) 2024-01-02
SG11201706052YA (en) 2017-10-30
US9893800B2 (en) 2018-02-13
US20180198518A1 (en) 2018-07-12
US10454569B2 (en) 2019-10-22
CN107431532A (zh) 2017-12-01
JP2018515955A (ja) 2018-06-14
JP2020092425A (ja) 2020-06-11
WO2016153822A1 (en) 2016-09-29
BR112017020083A2 (pt) 2018-06-05
EP3272033A1 (en) 2018-01-24
KR20170128341A (ko) 2017-11-22
KR101910311B1 (ko) 2018-10-19
US20160277096A1 (en) 2016-09-22
EP3272033B1 (en) 2021-10-20

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