CN109004998B - 一种基于Gram-Charlier级数的OFDM信号频谱感知方法 - Google Patents
一种基于Gram-Charlier级数的OFDM信号频谱感知方法 Download PDFInfo
- Publication number
- CN109004998B CN109004998B CN201810958124.9A CN201810958124A CN109004998B CN 109004998 B CN109004998 B CN 109004998B CN 201810958124 A CN201810958124 A CN 201810958124A CN 109004998 B CN109004998 B CN 109004998B
- Authority
- CN
- China
- Prior art keywords
- signal
- gram
- autocorrelation function
- spectrum sensing
- ofdm
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000001228 spectrum Methods 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 title claims description 31
- 238000005311 autocorrelation function Methods 0.000 claims abstract description 29
- 238000001514 detection method Methods 0.000 claims abstract description 27
- 125000004122 cyclic group Chemical group 0.000 claims abstract description 25
- 230000001149 cognitive effect Effects 0.000 claims abstract description 15
- 239000000126 substance Substances 0.000 claims description 13
- 238000009826 distribution Methods 0.000 claims description 9
- 238000005070 sampling Methods 0.000 claims description 6
- 230000006870 function Effects 0.000 description 11
- 238000012360 testing method Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000004364 calculation method Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 210000002569 neuron Anatomy 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 241001463014 Chazara briseis Species 0.000 description 1
- 241000135164 Timea Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005562 fading Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010606 normalization Methods 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000013468 resource allocation Methods 0.000 description 1
- 238000012549 training Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/382—Monitoring; Testing of propagation channels for resource allocation, admission control or handover
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
Abstract
Description
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810958124.9A CN109004998B (zh) | 2018-08-21 | 2018-08-21 | 一种基于Gram-Charlier级数的OFDM信号频谱感知方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810958124.9A CN109004998B (zh) | 2018-08-21 | 2018-08-21 | 一种基于Gram-Charlier级数的OFDM信号频谱感知方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN109004998A CN109004998A (zh) | 2018-12-14 |
CN109004998B true CN109004998B (zh) | 2021-02-09 |
Family
ID=64594018
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201810958124.9A Active CN109004998B (zh) | 2018-08-21 | 2018-08-21 | 一种基于Gram-Charlier级数的OFDM信号频谱感知方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN109004998B (zh) |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8170152B2 (en) * | 2007-07-12 | 2012-05-01 | Bae Systems Information And Electronic Systems Integration Inc. | Method and apparatus for multiple signal identification and finding the basis functions of the received signal |
CN104901755A (zh) * | 2015-06-24 | 2015-09-09 | 国家电网公司 | 一种基于ofdm的认知无线电协作频谱感知方法 |
CN105099587B (zh) * | 2015-09-23 | 2017-06-23 | 哈尔滨工业大学 | 移动场景下认知无线电频谱感知系统检测性能参量获得方法 |
CN106786606B (zh) * | 2017-03-17 | 2019-01-29 | 西南交通大学 | 一种基于多种随机变量的电力系统概率潮流的计算方法 |
-
2018
- 2018-08-21 CN CN201810958124.9A patent/CN109004998B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
CN109004998A (zh) | 2018-12-14 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
Yang et al. | Cyclostationary feature detection based spectrum sensing algorithm under complicated electromagnetic environment in cognitive radio networks | |
US7586884B2 (en) | Joint packet detection in wireless communication system with one or more receiver | |
Like et al. | Signal classification in fading channels using cyclic spectral analysis | |
CN113225102A (zh) | 一种基于随机连续相位调制信号的低信噪比码捕获方法 | |
CN106357574A (zh) | 基于顺序统计量的bpsk/qpsk信号调制盲识别方法 | |
CN101588191B (zh) | 无线电信号认知方法及设备 | |
Baradkar et al. | Implementation of energy detection method for spectrum sensing in cognitive radio based embedded wireless sensor network node | |
CN104253659B (zh) | 一种频谱检测方法及其装置 | |
CN110289926B (zh) | 基于调制信号循环自相关函数对称峰值的频谱感知方法 | |
CN105554739B (zh) | 基于信道多径时延差的主用户仿真攻击检测方法 | |
CN108400826B (zh) | 一种基于循环矩阵特征值的频谱感知方法 | |
Qian et al. | Modulation classification based on cyclic spectral features and neural network | |
KR101082903B1 (ko) | 직교 주파수 분할 다중화 시스템에서의 주파수 옵셋 추정 장치 | |
CN109004998B (zh) | 一种基于Gram-Charlier级数的OFDM信号频谱感知方法 | |
EP3596852A1 (en) | Signal detection based on stochastic resonance | |
CN114650108B (zh) | 一种变换域通信系统信号的检测方法及系统 | |
CN110190917B (zh) | 一种LTE230MHz电力无线专网的频谱空洞感知方法、装置及设备 | |
US8923376B2 (en) | Apparatus and method for estimating noise and interference power in communication system | |
WO2009025621A1 (en) | Method and system for determining whether a transmitted data signal comprising a cyclic prefix is present in a received signal | |
CN111490956A (zh) | 一种基于一阶循环平稳性的mfsk调制识别方法 | |
Molchanov et al. | A novel bispectrum-based frequency encoding technique developed for noisy and multipath fading radio links | |
Liu et al. | Modulation recognition with frequency offset and phase offset over multipath channels | |
CN112165364A (zh) | 窄带频谱感知系统的增强频谱感知方法 | |
Szczepaniak et al. | Radio transmission masking on the example of FSK modulation | |
KR102005616B1 (ko) | Ofdm 기반의 dab 시스템 및 그것을 이용한 모드 및 프레임 동기 방법 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20181214 Assignee: Yizhong (Nantong) Network Technology Co.,Ltd. Assignor: NANTONG University Contract record no.: X2023320000050 Denomination of invention: An OFDM signal spectrum sensing method based on Gram-Charier series Granted publication date: 20210209 License type: Common License Record date: 20230112 |
|
EE01 | Entry into force of recordation of patent licensing contract | ||
TR01 | Transfer of patent right |
Effective date of registration: 20230824 Address after: 226000 Jiangsu city of Nantong province sik Road No. 9 Patentee after: Nantong University Technology Transfer Center Co.,Ltd. Address before: 226000 Jiangsu city of Nantong province sik Road No. 9 Patentee before: NANTONG University |
|
TR01 | Transfer of patent right | ||
EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20181214 Assignee: Bunuo (Nantong) Automation Technology Co.,Ltd. Assignor: Nantong University Technology Transfer Center Co.,Ltd. Contract record no.: X2023980053313 Denomination of invention: A Spectrum Sensing Method for OFDM Signals Based on Gram Charlie Series Granted publication date: 20210209 License type: Common License Record date: 20231221 |
|
EE01 | Entry into force of recordation of patent licensing contract |