CN107317781B - 一种水下通信中多普勒扩展抑制方法 - Google Patents
一种水下通信中多普勒扩展抑制方法 Download PDFInfo
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- CN107317781B CN107317781B CN201710465335.4A CN201710465335A CN107317781B CN 107317781 B CN107317781 B CN 107317781B CN 201710465335 A CN201710465335 A CN 201710465335A CN 107317781 B CN107317781 B CN 107317781B
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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
- H04L27/2647—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
- H04L27/2691—Link with other circuits, i.e. special connections between synchronisation arrangements and other circuits for achieving synchronisation involving interference determination or cancellation
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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
- H04L27/2647—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
- H04L27/2695—Link with other circuits, i.e. special connections between synchronisation arrangements and other circuits for achieving synchronisation with channel estimation, e.g. determination of delay spread, derivative or peak tracking
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
- H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
- H04L27/38—Demodulator circuits; Receiver circuits
- H04L27/3845—Demodulator circuits; Receiver circuits using non - coherent demodulation, i.e. not using a phase synchronous carrier
- H04L27/3854—Demodulator circuits; Receiver circuits using non - coherent demodulation, i.e. not using a phase synchronous carrier using a non - coherent carrier, including systems with baseband correction for phase or frequency offset
- H04L27/3863—Compensation for quadrature error in the received signal
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CN107317781A CN107317781A (zh) | 2017-11-03 |
CN107317781B true CN107317781B (zh) | 2020-05-12 |
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Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108377544B (zh) * | 2018-01-23 | 2020-06-30 | 杭州电子科技大学 | 一种高速移动环境下定时同步的方法 |
CN108471333B (zh) * | 2018-02-09 | 2021-03-05 | 杭州电子科技大学 | 一种水下通信中的信道估计方法 |
CN109714112B (zh) * | 2019-02-28 | 2021-02-26 | 厦门大学 | 一种利用移动平台集群的水声通信方法及系统 |
WO2022107195A1 (ja) * | 2020-11-17 | 2022-05-27 | 日本電信電話株式会社 | ドップラー補償システム及びドップラー補償方法 |
Citations (4)
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CN102938669A (zh) * | 2012-11-20 | 2013-02-20 | 杭州电子科技大学 | 一种高速移动环境下抑制多普勒扩展的方法 |
CN103095333A (zh) * | 2013-01-18 | 2013-05-08 | 杭州电子科技大学 | 一种高速移动环境下定时同步方法 |
WO2014051509A1 (en) * | 2012-09-28 | 2014-04-03 | Telefonaktiebolaget Lm Ericsson (Publ) | Adaptive smoothing of channel estimates |
CN105227512A (zh) * | 2015-10-19 | 2016-01-06 | 宁波大学 | 一种ofdm水声通信系统中的脉冲噪声估计方法 |
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- 2017-06-19 CN CN201710465335.4A patent/CN107317781B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014051509A1 (en) * | 2012-09-28 | 2014-04-03 | Telefonaktiebolaget Lm Ericsson (Publ) | Adaptive smoothing of channel estimates |
CN102938669A (zh) * | 2012-11-20 | 2013-02-20 | 杭州电子科技大学 | 一种高速移动环境下抑制多普勒扩展的方法 |
CN103095333A (zh) * | 2013-01-18 | 2013-05-08 | 杭州电子科技大学 | 一种高速移动环境下定时同步方法 |
CN105227512A (zh) * | 2015-10-19 | 2016-01-06 | 宁波大学 | 一种ofdm水声通信系统中的脉冲噪声估计方法 |
Non-Patent Citations (4)
Title |
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《多谱勒扩展的模拟与仿真》;管宇;《信息与电脑(理论版)》;20140715;全文 * |
《高速移动环境下基于多天线角域分辨力接收算法》;曾嵘等;《电子与信息学报》;20120915;第34卷(第9期);全文 * |
《高速移动环境下基于正交角域子空间投影的时频同步算法研究》;曾嵘等;《电子学报》;20131015;第41卷(第10期);全文 * |
《高速铁路中基于组导频的OFDM系统时变信道估计算法》;蔡明等;《铁道学报》;20150515;第37卷(第5期);全文 * |
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Effective date of registration: 20201215 Address after: Room 3003-1, building 1, Gaode land center, Jianggan District, Hangzhou City, Zhejiang Province Patentee after: Zhejiang Zhiduo Network Technology Co.,Ltd. Address before: 310018 No. 2 street, Xiasha Higher Education Zone, Hangzhou, Zhejiang Patentee before: HANGZHOU DIANZI University Effective date of registration: 20201215 Address after: 314500 Tongxiang City, Jiaxing, Zhejiang, Tung Tung Road, Wu Tung Street (East) 55, Tongxiang chamber of Commerce Building 1 unit 1702, 1703 room -A-220 Patentee after: Jiaxing Beixi Electromechanical Equipment Co.,Ltd. Address before: Room 3003-1, building 1, Gaode land center, Jianggan District, Hangzhou City, Zhejiang Province Patentee before: Zhejiang Zhiduo Network Technology Co.,Ltd. |
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Effective date of registration: 20210325 Address after: 650000 room 211, No.8, Tai'an Road, taipingxincheng Street office, Anning City, Kunming City, Yunnan Province Patentee after: Yunnan poly Tiantong underwater equipment Technology Co.,Ltd. Address before: 314500 Tongxiang City, Jiaxing, Zhejiang, Tung Tung Road, Wu Tung Street (East) 55, Tongxiang chamber of Commerce Building 1 unit 1702, 1703 room -A-220 Patentee before: Jiaxing Beixi Electromechanical Equipment Co.,Ltd. |
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