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Photonics-assisted compressive sampling system for wideband spectrum sensing (Invited Paper)

Qiang Guo Qiang Guo, Minghua Chen Minghua Chen, Yunhua Liang Yunhua Liang, Hongwei Chen Hongwei Chen, Sigang Yang Sigang Yang, and Shihong Xie and Shihong Xie
2017 Chinese Optics Letters (COL)  
In this Letter, we review our recent work on photonic CS systems for wideband spectrum sensing.  ...  To further reduce the acquisition bandwidth, multi-channel photonics-assisted CS systems are proposed for the first time, enabling the acquisition of multi-tone signals with frequencies up to 5 GHz by  ...  In modern electronic reconnaissance or electronic warfare, the electromagnetic environment is quite complex, and wideband spectrum sensing without prior knowledge is becoming more and more important.  ... 
doi:10.3788/col201715.010012 fatcat:dq3yfssplrdwfbufbi3wqbwfrq

A relevant support recovery algorithm in modulated wideband converter

Jiawei Zhu, Jie Li, Jian Li, Zhi Li
2019 IET Communications  
Then, obtaining the effective support which is based on compressed sensing is the most important part for the signal recovery from samples.  ...  Modulated wideband converter (MWC) is a compressed spectrum sensing system that randomly moves the sparse wideband signal spectrum to the baseband to realise low-speed sampling.  ...  Acknowledgments This work was supported by the Science and Technology Plan Project of Sichuan Province in China, named Security Collaborative Spectrum Sensing Network Based on The MWC System (No.2016GZ0091  ... 
doi:10.1049/iet-com.2018.5474 fatcat:ylaiglql7rhbbopivh4zo3kaum

DOAs estimation of broadband signals based on a novel multi-channel compressed system

Zhang Qi, Zhu Jun, Tang Bin
2016 IEICE Electronics Express  
This paper proposes a novel multi-channel compressed structure to estimate directions of arrival (DOAs) of broadband signals based on the Nyquist folding structure.  ...  This paper firstly proposes a novel multi-channel receiving structure on a long-short baseline interferometer array and analyzes the feasibility of this structure applied in the DOAs estimation of broadband  ...  A feasible structure for broadband signals receiving is based on compressed sensing technology [4, 5, 6] . Fudge et al.  ... 
doi:10.1587/elex.13.20161079 fatcat:fdfmsdqns5hx3lkmwnzkyead7m

Intra-pulse modulation recognition for fractional bandlimited signals based on a modified MWC-based digital receiver

Xiaomin Li, Huali Wang, Haichao Luo
2020 IEEE Access  
In this paper, we present a modified modulated wideband converter (MWC)-based digital receiver for fractional bandlimited signals, and further propose an intra-pulse modulation recognition method in discrete  ...  a better separation can be achieved by the proposed digital receiver than by original MWC-based receiver.  ...  Reference [16] design a hardware system of wideband digital reconnaissance receiver based on the MWC theory, and the receiver system has the ability of completing multi-signals acquisition, reconstruction  ... 
doi:10.1109/access.2020.2991990 fatcat:rzoq27e2jjfrvbxyqdwn666d4i

Frequency Hopping Signals Tracking and Sorting Based on Dynamic Programming Modulated Wideband Converters

Ziwei Lei, Peng Yang, Linhua Zheng, Hui Xiong, Hong Ding
2019 Applied Sciences  
It is important to improve the compressed sensing (CS) methods for tracking and sorting wideband FH signals.  ...  Second, to sort multiple signals more effectively, a feedback control algorithm based on dynamic programming is proposed.  ...  Acknowledgments: Our work has received important English editing from MDPI. Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/app9142906 fatcat:3iiwezjiang7poe7ojnt7bcox4

Measurement Matrix Calibration Method for Modulated Wideband Converter under Imperfect Periodic Pseudorandom Waveform

Tianyi Xiong, Zan Li, Peihan Qi
2016 Journal of Communications  
Abstract-Modulated Wideband Converter (MWC) is a type of theory to real-time sub-Nyquist sampling and recovery of sparse wideband analog signal with low computational overhead and efficient hardware implementation  ...  the orthodox digital signal processing mechanism based on conventional sampling theorem.  ...  PERFORMANCE SIMULATION AND ANALYSIS Numerical simulation of FWC algorithm based on practical MWC compressed sampling system is conducted in this section.  ... 
doi:10.12720/jcm.11.5.498-506 fatcat:dfdevvdqwfhhxo4ruajl5ueelm

Detection and Frequency Estimation of Frequency Hopping Spread Spectrum Signals Based on Channelized Modulated Wideband Converters

Ziwei Lei, Peng Yang, Linhua Zheng
2018 Electronics  
In the implementation, there has been a trend of conducting compressive sensing for blind signal processing of FHSS signals.  ...  This indicates that our method is also effective in the broadband non-cooperative spectrum sensing.  ...  Acknowledgments: Our work had received important English editing from MDPI. Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/electronics7090170 fatcat:jakl3c43ezci5a4ff4jxpkf4t4

Automatic LPI Radar Signal Sensing Method Using Visibility Graphs

Tao Wan, Kaili Jiang, Yanli Tang, Ying Xiong, Bin Tang
2020 IEEE Access  
countermeasure technology; broadband/ultra-wideband radar digital reconnaissance receiving and interference technology.  ...  code 2: Wavelet denoising for the signal to be tested through the AWGN channel 3: Perform Autocorrelation on the obtained signal to be tested 4: Set the threshold based on Neyman-Pearson Criterion and  ...  Her research interests include wideband spectrum sensing; sparse/compressive sensing and radar signal processing. VOLUME 4, 2016  ... 
doi:10.1109/access.2020.3020336 fatcat:3sbt3amlmzeqbjzawc3afwqqdu

Design of large polyphase filters in the Quadratic Residue Number System

Gian Carlo Cardarilli, Alberto Nannarelli, Yann Oster, Massimo Petricca, Marco Re
2010 2010 Conference Record of the Forty Fourth Asilomar Conference on Signals, Systems and Computers  
A sensor network based cooperative wideband spectrum sensing scheme is proposed for the implementation of the task.  ...  In each slot, a secondary transmitter chooses one channel to sense and subsequently transmit if the channel is sensed as idle.  ... 
doi:10.1109/acssc.2010.5757589 fatcat:ccxnu5owr5fyrcjcqukumerueq

Toward virtual biopsy through an all fiber optic ultrasonic miniaturized transducer: a proposal

A. Acquafresca, E. Biagi, L. Masotti, D. Menichelli
2003 IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control  
...Audio compression ............Huffman coding ............Source coding ............Test data compression ............Transform coding ........Data conversion ............Analog-digital conversion ..  ...  ........Channel allocation ........Channel capacity ........Channel estimation ........Channel models ........Channel spacing ........Channel state information ........Gaussian channels ............AWGN  ... 
doi:10.1109/tuffc.2003.1244749 fatcat:l3jre4etsvcqzfyz2jqggji3gy

Front Matter: Volume 8285

Proceedings of SPIE
2011 International Conference on Graphic and Image Processing (ICGIP 2011)  
The last two digits indicate publication order within the volume using a Base 36 numbering system employing both numerals and letters.  ...  The CID number appears on each page of the manuscript. The complete citation is used on the first page, and an abbreviated version on subsequent pages.  ...  Zahedi, Shahrood Univ. of Technology (Iran, Islamic Republic of) 8285 33 A real-time receive method of wideband radar based on subband pulse compression [8285-273] M. Li, W. Fu, P. Zhang, Y.  ... 
doi:10.1117/12.915884 fatcat:i3zzb77cqndcpo7i2wjvl2nfta

An Investigation of LPI Radar Waveforms Classification in RoF Channels

Turki Alrubeaan, Khalid Albagami, Amr Ragheb, Saeed Aldosari, Majid Altamimi, Saleh Alshebeili
2019 IEEE Access  
when the intercepted radar signals are transmitted over fiber optic channels.  ...  Distortions and noise introduced by such channels are likely to affect the performance of LPI classification algorithms.  ...  In [12] , a new wideband receiver based on modulated wideband converter and compressed sampling is developed for the purpose of intercepting and classifying LPI radar signals.  ... 
doi:10.1109/access.2019.2938317 fatcat:3zx4bnyzfjef5kbfgnlr7ohxsi

Development and evaluation of a multistatic ultrawideband random noise radar network

Matthew E. Nelms, Peter J. Collins
2011 2011 IEEE RadarCon (RADAR)  
Finally, a joint coverage area within the AFIT RCS range allows single and multi-target scenarios for assessing the 16-channel multistatic solution.  ...  Design and integration of a distributed and central signal and data processing architecture enables the Matlab Ⓡ -driven signal data acquisition, digital processing and multi-sensor image fusion.  ...  ratio (SNR) based on the implemented receiver processing architecture.  ... 
doi:10.1109/radar.2011.5960699 fatcat:y2g5eaqjm5hxvpo4wwqkzq2wwe

A Survey on Millimeter-Wave Beamforming Enabled UAV Communications and Networking [article]

Zhenyu Xiao, Lipeng Zhu, Yanming Liu, Pengfei Yi, Rui Zhang, Xiang-Gen Xia, Robert Schober
2021 arXiv   pre-print
Then, we provide an overview on relevant mmWave antenna structures and channel modeling.  ...  In this paper, we provide a comprehensive survey on mmWave beamforming enabled UAV communications and networking.  ...  The sampled information is utilized to estimate the link qualities in candidate space by leveraging compressive sensing theory.  ... 
arXiv:2104.09204v2 fatcat:rbywt5p7uzhhzg3hbc7tnln45q

NOISE RADAR OF MILLIMETER RANGE
ШУМОВОЙ РАДИОЛОКАТОР МИЛЛИМЕТРОВОГО ДИАПАЗОНА

Vladimir V. Kolesov, Kotelnikov Institute of Radioengineering and Electronics of Russian Academy of Sciences, Evgeny A. Myasin
2018 Radioelectronics Nanosystems Information Technologies  
The noise immunity of a radio engineering channel model based on a spread-spectrum signal was experimentally investigated.  ...  Thus, ultra-wideband radar technologies based on noise signals are characterized by good electromagnetic compatibility, can be effectively used in the compilation of a radar portrait of an object, as well  ...  The noise immunity of a radio engineering channel model based on a noise-like carrier was experimentally investigated.  ... 
doi:10.17725/rensit.2018.10.235 fatcat:gjqnum6lqfdhffvfcuqr67w5d4
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