CN110326239A - 信号发射方法、信号接收方法、相关设备及*** - Google Patents
信号发射方法、信号接收方法、相关设备及*** Download PDFInfo
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- CN110326239A CN110326239A CN201780086939.6A CN201780086939A CN110326239A CN 110326239 A CN110326239 A CN 110326239A CN 201780086939 A CN201780086939 A CN 201780086939A CN 110326239 A CN110326239 A CN 110326239A
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- 238000000034 method Methods 0.000 title claims abstract description 67
- 230000007480 spreading Effects 0.000 claims abstract description 327
- 238000001228 spectrum Methods 0.000 claims description 189
- 238000001914 filtration Methods 0.000 claims description 33
- 238000011084 recovery Methods 0.000 claims description 27
- 239000006185 dispersion Substances 0.000 claims description 24
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 238000012545 processing Methods 0.000 claims description 8
- 230000008054 signal transmission Effects 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 20
- 230000005540 biological transmission Effects 0.000 description 11
- 230000003111 delayed effect Effects 0.000 description 6
- 230000004048 modification Effects 0.000 description 5
- 238000012986 modification Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 230000010287 polarization Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000013307 optical fiber Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000012163 sequencing technique Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
- H04J13/0003—Code application, i.e. aspects relating to how codes are applied to form multiplexed channels
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/50—Transmitters
- H04B10/516—Details of coding or modulation
- H04B10/54—Intensity modulation
- H04B10/541—Digital intensity or amplitude modulation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/60—Receivers
- H04B10/61—Coherent receivers
- H04B10/616—Details of the electronic signal processing in coherent optical receivers
- H04B10/6161—Compensation of chromatic dispersion
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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
- H04J—MULTIPLEX COMMUNICATION
- H04J14/00—Optical multiplex systems
- H04J14/02—Wavelength-division multiplex systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/0413—MIMO systems
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Optical Communication System (AREA)
Abstract
本发明实施例提供了一种信号发射方法、信号接收方法、相关设备及***,其中,所述信号发射方法包括:生成单波长光载波;将所述单波长光载波分束为波长相同的N路子载波;对应每一路所述子载波生成扩频码,得到N路扩频码;其中,每一路所述扩频码的带宽均小于或者等于预设阈值;将待传输数据信号串并转换为N路子数据信号;根据N路子数据信号和所述N路扩频码,对所述N路子载波进行调制,得到N路调制信号;将所述N路调制信号合路为一路合路信号输出。可以看出,本方案能够降低每一路信号对ENOB的需求,从而能够有效降低DAC的量化噪声和其他电器件的电噪声带来的影响,提升高阶QAM的性能。
Description
PCT国内申请,说明书已公开。
Claims (19)
- PCT国内申请,权利要求书已公开。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/CN2017/076341 WO2018161355A1 (zh) | 2017-03-10 | 2017-03-10 | 信号发射方法、信号接收方法、相关设备及*** |
Publications (2)
Publication Number | Publication Date |
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CN110326239A true CN110326239A (zh) | 2019-10-11 |
CN110326239B CN110326239B (zh) | 2020-11-17 |
Family
ID=63448073
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CN201780086939.6A Active CN110326239B (zh) | 2017-03-10 | 2017-03-10 | 信号发射方法、信号接收方法、相关设备及*** |
Country Status (4)
Country | Link |
---|---|
US (1) | US10911093B2 (zh) |
EP (1) | EP3584969B1 (zh) |
CN (1) | CN110326239B (zh) |
WO (1) | WO2018161355A1 (zh) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110326239B (zh) * | 2017-03-10 | 2020-11-17 | 华为技术有限公司 | 信号发射方法、信号接收方法、相关设备及*** |
US20210345183A1 (en) * | 2018-10-10 | 2021-11-04 | Kyocera Corporation | Cdma based reservation channel transmission in v2v communications |
US11075694B2 (en) * | 2019-03-04 | 2021-07-27 | Infinera Corporation | Frequency division multiple access optical subcarriers |
EP3930312B8 (en) * | 2020-06-26 | 2023-10-25 | Alpsentek GmbH | Delta image sensor with digital pixel storage |
ES2947688T3 (es) | 2020-08-14 | 2023-08-16 | Alpsentek Gmbh | Sensor de imágenes con circuito de píxeles configurable y método |
CN114095056B (zh) * | 2021-11-04 | 2023-07-11 | 深圳供电局有限公司 | 数据传输方法、装置、设备及存储介质 |
Citations (6)
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US20050019040A1 (en) * | 2003-07-24 | 2005-01-27 | Trutna William R. | Optical communication system and method using spread-spectrum encoding |
CN101714907A (zh) * | 2009-12-22 | 2010-05-26 | 北京邮电大学 | 无源光网络通信方法及***、光网络单元和光线路终端 |
US20100158527A1 (en) * | 2007-06-07 | 2010-06-24 | Hitachi, Ltd. | Optical communication system using wdma and cdma |
CN102413388A (zh) * | 2011-11-18 | 2012-04-11 | 电子科技大学 | 一种基于光码分复用的光纤无线RoF无源光网络实现方法 |
CN103179076A (zh) * | 2013-03-26 | 2013-06-26 | 广州大学 | 一种多载波扩频电力线通信*** |
CN105577234A (zh) * | 2014-10-10 | 2016-05-11 | 深圳市海思半导体有限公司 | 信息收发方法及装置 |
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US5103459B1 (en) * | 1990-06-25 | 1999-07-06 | Qualcomm Inc | System and method for generating signal waveforms in a cdma cellular telephone system |
US5936998A (en) * | 1996-05-16 | 1999-08-10 | Nara; Yoshikazu | Spread spectrum modulator |
JP3385299B2 (ja) * | 1996-05-20 | 2003-03-10 | 三菱電機株式会社 | スペクトル拡散通信装置 |
JP3311951B2 (ja) * | 1996-12-20 | 2002-08-05 | 富士通株式会社 | 符号多重送信装置 |
US6539050B1 (en) * | 1997-06-26 | 2003-03-25 | Hughes Electronics Corporation | Method for transmitting wideband signals via a communication system adapted for narrow-band signal transmission |
US6289039B1 (en) * | 2000-06-14 | 2001-09-11 | Linex Technologies, Inc. | Spread-spectrum communications utilizing variable throughput reduction |
US20030072051A1 (en) * | 2000-10-16 | 2003-04-17 | Myers Michael H. | Orthogonal-code, photonic multiplexing |
US7756424B2 (en) * | 2001-01-22 | 2010-07-13 | Northrop Grumman Systems Corporation | Optical CDMA communications system using OTDL device |
US20040208644A1 (en) * | 2001-05-22 | 2004-10-21 | Opticalis Ltd. | Sub-carrier generation for optical communication |
JP4586305B2 (ja) * | 2001-06-18 | 2010-11-24 | 沖電気工業株式会社 | 多重化光伝送方法及び多重化光伝送装置 |
CN1774881A (zh) * | 2003-04-15 | 2006-05-17 | 曳达研究和发展有限公司 | 在光码分多址中使用的***和方法 |
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-
2017
- 2017-03-10 CN CN201780086939.6A patent/CN110326239B/zh active Active
- 2017-03-10 EP EP17899914.0A patent/EP3584969B1/en active Active
- 2017-03-10 WO PCT/CN2017/076341 patent/WO2018161355A1/zh unknown
-
2019
- 2019-09-09 US US16/564,022 patent/US10911093B2/en active Active
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Also Published As
Publication number | Publication date |
---|---|
EP3584969A4 (en) | 2020-03-11 |
WO2018161355A1 (zh) | 2018-09-13 |
US20200014418A1 (en) | 2020-01-09 |
EP3584969B1 (en) | 2023-10-04 |
CN110326239B (zh) | 2020-11-17 |
EP3584969A1 (en) | 2019-12-25 |
US10911093B2 (en) | 2021-02-02 |
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