CN111431836B - Method and system for constructing baseband waveform in 512-path subcarrier OFDM wireless communication - Google Patents
Method and system for constructing baseband waveform in 512-path subcarrier OFDM wireless communication Download PDFInfo
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- CN111431836B CN111431836B CN202010236695.9A CN202010236695A CN111431836B CN 111431836 B CN111431836 B CN 111431836B CN 202010236695 A CN202010236695 A CN 202010236695A CN 111431836 B CN111431836 B CN 111431836B
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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
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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
- H04L27/2626—Arrangements specific to the transmitter only
- H04L27/2627—Modulators
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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
- H04L27/2649—Demodulators
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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
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- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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CN202010236695.9A CN111431836B (en) | 2020-03-30 | 2020-03-30 | Method and system for constructing baseband waveform in 512-path subcarrier OFDM wireless communication |
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CN202010236695.9A CN111431836B (en) | 2020-03-30 | 2020-03-30 | Method and system for constructing baseband waveform in 512-path subcarrier OFDM wireless communication |
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CN111431836B true CN111431836B (en) | 2023-02-28 |
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CN112165441A (en) * | 2020-09-22 | 2021-01-01 | 湖南长城信息金融设备有限责任公司 | Wireless communication method, terminal, system and readable storage medium based on orthogonal multi-carrier technology |
Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1913749A1 (en) * | 2005-08-08 | 2008-04-23 | Nokia Corporation | A multicarrier modulation with enhanced frequency coding |
CN101262461A (en) * | 2007-03-09 | 2008-09-10 | 日立通讯技术株式会社 | OFDM modulation device |
CN101924722A (en) * | 2009-06-15 | 2010-12-22 | 华为技术有限公司 | OOFDM signal generation and reception method, device and wavelength division multiplexing system |
CN103731390A (en) * | 2014-01-17 | 2014-04-16 | 重庆三峡学院 | Method for reducing OFDM signal peak-to-average power ratio in RoF system |
CN104506467A (en) * | 2014-12-31 | 2015-04-08 | 上海交通大学 | Channel estimation method for improving receiving sensitivity of OQAM (Offset Quadrate Amplitude Modulation)-OFDM (Orthogonal Frequency Division Multiplexing) light transmission system |
CN204613959U (en) * | 2015-04-12 | 2015-09-02 | 浙江海康科技有限公司 | A Miller code decoding device for subcarrier modulation |
CN105429911A (en) * | 2015-07-03 | 2016-03-23 | 王红星 | Time-free and frequency-free guard interval multi-carrier communication method and device |
WO2016127653A1 (en) * | 2015-02-15 | 2016-08-18 | 中兴通讯股份有限公司 | Method and apparatus for realizing visible-light wireless communication |
CN106411809A (en) * | 2016-09-23 | 2017-02-15 | 北京邮电大学 | Carrier frequency offset estimation and compensation method for dual stream quasi-constant envelope OFDM system using null subcarrier |
CN106788734A (en) * | 2016-12-09 | 2017-05-31 | 上海交通大学 | A kind of optical OFDM system of use non-data aided frequency excursion algorithm |
CN109889262A (en) * | 2019-03-13 | 2019-06-14 | 苏州大学 | An Orthogonal Frequency Division Multiplexing Free Space Optical Communication Method Based on Wavelet Transform |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9083592B2 (en) * | 2010-10-22 | 2015-07-14 | Electronics And Telecommunications Research Institute | Apparatus and method for transceiving data |
KR101867612B1 (en) * | 2010-11-19 | 2018-06-14 | 한국전자통신연구원 | Apparatus and method for transmitting and receiving data |
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2020
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Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1913749A1 (en) * | 2005-08-08 | 2008-04-23 | Nokia Corporation | A multicarrier modulation with enhanced frequency coding |
CN101262461A (en) * | 2007-03-09 | 2008-09-10 | 日立通讯技术株式会社 | OFDM modulation device |
CN101924722A (en) * | 2009-06-15 | 2010-12-22 | 华为技术有限公司 | OOFDM signal generation and reception method, device and wavelength division multiplexing system |
CN103731390A (en) * | 2014-01-17 | 2014-04-16 | 重庆三峡学院 | Method for reducing OFDM signal peak-to-average power ratio in RoF system |
CN104506467A (en) * | 2014-12-31 | 2015-04-08 | 上海交通大学 | Channel estimation method for improving receiving sensitivity of OQAM (Offset Quadrate Amplitude Modulation)-OFDM (Orthogonal Frequency Division Multiplexing) light transmission system |
WO2016127653A1 (en) * | 2015-02-15 | 2016-08-18 | 中兴通讯股份有限公司 | Method and apparatus for realizing visible-light wireless communication |
CN204613959U (en) * | 2015-04-12 | 2015-09-02 | 浙江海康科技有限公司 | A Miller code decoding device for subcarrier modulation |
CN105429911A (en) * | 2015-07-03 | 2016-03-23 | 王红星 | Time-free and frequency-free guard interval multi-carrier communication method and device |
CN106411809A (en) * | 2016-09-23 | 2017-02-15 | 北京邮电大学 | Carrier frequency offset estimation and compensation method for dual stream quasi-constant envelope OFDM system using null subcarrier |
CN106788734A (en) * | 2016-12-09 | 2017-05-31 | 上海交通大学 | A kind of optical OFDM system of use non-data aided frequency excursion algorithm |
CN109889262A (en) * | 2019-03-13 | 2019-06-14 | 苏州大学 | An Orthogonal Frequency Division Multiplexing Free Space Optical Communication Method Based on Wavelet Transform |
Non-Patent Citations (4)
Title |
---|
"Implementation of ASK-OFDM Exploiting the Property of Symmetry";Shouxing Qu;《IEEE Vehicular Technology Conference》;20060228;第1-5页 * |
"OFDM基带芯片同步技术研究与设计";蒙康;《中国优秀硕士学位论文全文数据库-信息科技辑》;20170630;全文 * |
"OFDM的IFFT";皮蛋zzz;《CSDN https://blog.csdn.net/weixin_43221993/article/details/100995240》;20190918;第1-4页 * |
"室内可见光通信系统中的OFDM与ACO-OFDM调制技术研究";彭小峰等;《光通信技术》;20160715;第60-62页 * |
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