CN111490957B - 一种时域生成前导序列的方法及装置 - Google Patents
一种时域生成前导序列的方法及装置 Download PDFInfo
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- CN111490957B CN111490957B CN202010161854.3A CN202010161854A CN111490957B CN 111490957 B CN111490957 B CN 111490957B CN 202010161854 A CN202010161854 A CN 202010161854A CN 111490957 B CN111490957 B CN 111490957B
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- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000001228 spectrum Methods 0.000 claims abstract description 28
- 125000004122 cyclic group Chemical group 0.000 claims abstract description 8
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical group [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000003595 spectral effect Effects 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000010931 gold Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2602—Signal structure
- H04L27/261—Details of reference signals
- H04L27/2613—Structure of the reference signals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
- H04J13/0007—Code type
- H04J13/0022—PN, e.g. Kronecker
- H04J13/0029—Gold
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
- H04J13/10—Code generation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2614—Peak power aspects
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2647—Arrangements specific to the receiver only
- H04L27/2655—Synchronisation arrangements
- H04L27/2689—Link with other circuits, i.e. special connections between synchronisation arrangements and other circuits for achieving synchronisation
- H04L27/2692—Link with other circuits, i.e. special connections between synchronisation arrangements and other circuits for achieving synchronisation with preamble design, i.e. with negotiation of the synchronisation sequence with transmitter or sequence linked to the algorithm used at the receiver
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
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CN202010161854.3A CN111490957B (zh) | 2020-03-10 | 2020-03-10 | 一种时域生成前导序列的方法及装置 |
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CN202010161854.3A CN111490957B (zh) | 2020-03-10 | 2020-03-10 | 一种时域生成前导序列的方法及装置 |
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CN111490957A CN111490957A (zh) | 2020-08-04 |
CN111490957B true CN111490957B (zh) | 2023-06-16 |
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CN113179236A (zh) * | 2021-02-05 | 2021-07-27 | 西安宇飞电子技术有限公司 | 一种用于低峰均比前导头的ofmd系统的同步装置 |
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CN105282076A (zh) * | 2014-06-12 | 2016-01-27 | 上海数字电视国家工程研究中心有限公司 | 前导符号的生成方法及频域ofdm符号的生成方法 |
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WO2016175911A1 (en) * | 2015-04-28 | 2016-11-03 | Intel IP Corporation | Apparatus, computer readable medium, and method for an interleaver for higher quadrature amplitude modulation (qam) in a high efficiency wireless local-area network |
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CN107426123A (zh) * | 2017-07-17 | 2017-12-01 | 北京睿信丰科技有限公司 | 一种利用多符号间导频进行联合整数频偏估计方法及装置 |
CN107710709A (zh) * | 2015-06-09 | 2018-02-16 | 三星电子株式会社 | 确定预留音调的方法和使用音调预留执行papr降低的发送器 |
WO2020016397A1 (en) * | 2018-07-20 | 2020-01-23 | Universitat Politècnica De Catalunya | A method and a device to generate an amplitude-based modulation wireless signal using ofdm to be received by a low-power non-coherent receiver |
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US8160166B2 (en) * | 2008-10-01 | 2012-04-17 | Harris Corporation | Orthogonal frequency division multiplexing (OFDM) communications device and method that incorporates low PAPR preamble with circuit for measuring frequency response of the communications channel |
JP4928621B2 (ja) * | 2010-05-27 | 2012-05-09 | シャープ株式会社 | 無線通信システム、基地局装置、移動局装置、無線通信方法および集積回路 |
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2020
- 2020-03-10 CN CN202010161854.3A patent/CN111490957B/zh active Active
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WO2009056044A1 (fr) * | 2007-10-26 | 2009-05-07 | Huawei Technologies Co., Ltd. | Procédé et dispositif de suppression de valeur de pic, et dispositif de production de signaux de suppression de valeur de pic de référence |
CN103179062A (zh) * | 2013-03-22 | 2013-06-26 | 电子科技大学 | Sc-fde系统低复杂度信道估计下的相位噪声抑制方法 |
CN105794215A (zh) * | 2013-12-06 | 2016-07-20 | Lg电子株式会社 | 发送和接收广播信号的装置和方法 |
CN106603456A (zh) * | 2014-03-28 | 2017-04-26 | 上海数字电视国家工程研究中心有限公司 | 前导符号的生成方法及频域ofdm符号的生成方法 |
CN105282076A (zh) * | 2014-06-12 | 2016-01-27 | 上海数字电视国家工程研究中心有限公司 | 前导符号的生成方法及频域ofdm符号的生成方法 |
WO2016175911A1 (en) * | 2015-04-28 | 2016-11-03 | Intel IP Corporation | Apparatus, computer readable medium, and method for an interleaver for higher quadrature amplitude modulation (qam) in a high efficiency wireless local-area network |
CN107710709A (zh) * | 2015-06-09 | 2018-02-16 | 三星电子株式会社 | 确定预留音调的方法和使用音调预留执行papr降低的发送器 |
CN107086974A (zh) * | 2017-03-27 | 2017-08-22 | 西安电子科技大学 | 一种高动态环境下的ofdm同步方法 |
CN107426123A (zh) * | 2017-07-17 | 2017-12-01 | 北京睿信丰科技有限公司 | 一种利用多符号间导频进行联合整数频偏估计方法及装置 |
WO2020016397A1 (en) * | 2018-07-20 | 2020-01-23 | Universitat Politècnica De Catalunya | A method and a device to generate an amplitude-based modulation wireless signal using ofdm to be received by a low-power non-coherent receiver |
Non-Patent Citations (4)
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"A Orthogonal Superimposed Pilot for Channel Estimation in MIMO-OFDM systems";Shan Lu等;《2007 IEEE 65th Vehicular Technology Conference》;20070529;全文 * |
"Low PAPR OFDM with implicit side information and reduced complexity for IOT networks";Zaid S. Al-Aubaidy等;《2018 Advances in Science and Engineering Technology International Conferences》;20180611;全文 * |
"OFDM系统的信道估计和隐藏导频算法研究";蒋宇达;《中国优秀硕士学位论文全文数据库》;20100415;全文 * |
"基于MMSE的MIMO-OFDM信道估计最优导频设计";肖丹丹;《中国优秀硕士学位论文全文数据库》;20121015;全文 * |
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Address after: Room 109-111, 1 / F, 17 / F, Zhongguancun Software Park, 8 Dongbeiwang West Road, Haidian District, Beijing 100094 Patentee after: Ruixinfeng Aerospace Technology (Beijing) Co.,Ltd. Country or region after: China Address before: Room 109-111, 1 / F, 17 / F, Zhongguancun Software Park, 8 Dongbeiwang West Road, Haidian District, Beijing 100094 Patentee before: BEIJING RINFON TECHNOLOGY Co.,Ltd. Country or region before: China |
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