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Chirp Signals and Noisy Waveforms for Solid-State Surveillance Radars

Gaspare Galati, Gabriele Pavan, Francesco De Palo
2017 Aerospace (Basel)  
In fact, since the PSLR is related to how much the waveform is equal to itself, the number of independent samples (with their phases) represents the degree of freedom available to make the correlation  ...  Historically, the design of chirp radar in the Western was made public in the 1960s [16] and, in the Eastern world, in the works (1950s) by Yakov Shirman [17] , who received the IEEE Pioneer Award in 2009  ...  Gabriele Pavan contributed to the HNLFM analysis and gave the Matlab software support together with Francesco De Palo who also contributed to the Noise Radar and signals generation.  ... 
doi:10.3390/aerospace4010015 fatcat:midl5zacpjbofpihp3ci6cccei

State of the Art in Power Line Communications: From the Applications to the Medium

Cristina Cano, Alberto Pittolo, David Malone, Lutz Lampe, Andrea M. Tonello, Anand G. Dabak
2016 IEEE Journal on Selected Areas in Communications  
We also identify areas of current and further study that will enable the continued success of power line communication technology.  ...  In recent decades, power line communication has attracted considerable attention from the research community and industry, as well as from regulatory and standardization bodies.  ...  His research interests are broadly in theory and application of wireless, optical wireless, and power line communications.  ... 
doi:10.1109/jsac.2016.2566018 fatcat:wt5vyt3nrnearc5cpqwttyqzf4

From Chirps to Random-FM Excitations in Pulse Compression Ultrasound Systems [article]

Sergio Callegari, Marco Ricci, Salvatore Caporale, Marcello Monticelli, Massimiliano Eroli, Luca Senni, Riccardo Rovatti, Gianluca Setti, Pietro Burrascano
2013 arXiv   pre-print
Following recent results, we show that random-FM excitations retain many advantages of chirps and provide the ability to frequency-shape the excitations matching the transducers features.  ...  Here, we propose a system based on random-FM excitations, capable of enabling MIMO with minimal changes with respect to a chirp-based setup.  ...  In the middle plots, the spectrum profiles that would be obtained by a linear chirp are superimposed in gray for reference, i.e., the characteristic spectrum of the two-probe system.  ... 
arXiv:1310.6593v1 fatcat:dmqw3hdkrjbp7ctzf3li3jl2iy

A Time-Domain Model of Background Noise for In-Home MIMO PLC Networks

Rehan Hashmat, Pascal Pagani, Thierry Chonavel, Ahmed Zeddam
2012 IEEE Transactions on Power Delivery  
INTRODUCTION Power Line Communications consists of delivering information over electrical cables.  ...  The band filters consisted of three 2-500 MHz high pass filters and three FM notch filters. The FM notch filters have a typical attenuation of 20-35 dB over the 88-108 MHz band.  ... 
doi:10.1109/tpwrd.2012.2207744 fatcat:dtq742fq7jerlokqlmoxu4w3oi

Feasibility study of power line communications for backhauling outdoor small cells

Jose Antonio Cortes, Francisco Javier Canete, Matias Toril, Eduardo Martos-Naya, Javier Poncela, Luis Diez, Alicia Garcia
2021 IEEE Access  
The analysis combines noise measurements performed in existing OPLN and channel responses obtained from a multiconductor transmission line (MTL) model.  ...  The attenuation, delay spread and spatial correlation of the multiple-input multiple-output (MIMO) channels are investigated and their influence in the physical layer parameters of PLC systems is discussed  ...  ACKNOWLEDGMENT The authors thank Vodafone Group Services Limited, Manuel Salazar (Head of the Servicios Operativos of the City Council of Málaga), Monelec S.L. and Marvell Hispania (now MaxLinear Hispania  ... 
doi:10.1109/access.2021.3059418 fatcat:ry5ngglcbvdahas6oh3chcht2q

Multiuser Scheduler and FDE Design for SC-FDMA MIMO Systems

Z. Lin, P. Xiao, B. Vucetic, C. Cowan
2010 2010 IEEE International Conference on Communications  
The multiuser scheduler is designed to exploit the available multiuser diversity in time, frequency and spatial domains.  ...  The results show that the proposed MU-MIMO scheduler in conjunction with the new FDE singificantly increases the maximum achievable rate and improves the bit error rate (BER) performance for the system  ...  D FN and D −1 FN are defined in the similar way as D FM and D −1 FM with the only difference in the matrix size.  ... 
doi:10.1109/icc.2010.5501880 dblp:conf/icc/LinXVC10 fatcat:foczmjly6rdghnmelguxbves4m

Shannon meets Nyquist: The interplay between capacity and sampling

Yuxin Chen, Andrea J. Goldsmith, Yonina C. Eldar
2011 2011 49th Annual Allerton Conference on Communication, Control, and Computing (Allerton)  
Connections between sampling and MIMO Gaussian channels are illuminated based on this analysis.  ...  In particular, we derive the capacity of sampled analog channels for several sampling mechanisms, including a filter followed by sampling and a filter bank followed by sampling.  ...  Unlike traditional MIMO Gaussian channels, the noise samples in each output sample set {yi[n] : 1 < i < M} result from the same process rj{t) (as shown in Fig. 7(a) ) and hence noise samples are correlated  ... 
doi:10.1109/allerton.2011.6120289 dblp:conf/allerton/ChenGE11 fatcat:xd4kctsqircujpl33ihi3lbfyy

Differential Space-Frequency Modulation and 2D-Detection for MIMO-OFDM

V. Pauli, L. Lampe, J. Huber
2007 2007 IEEE International Conference on Communications  
Furthermore, the application of a two-dimensional (2D) observation window to MSDD (2D-MSDD) in order to exploit channel correlations in both time and frequency direction, is investigated and tree-search  ...  Inspired by previous work presented in the literature, a novel DSFM scheme is devised, which makes use of spatial and/or spectral (multipath) diversity and is particularly suited for MIMO-OFDM and power-efficient  ...  The corresponding rate-loss is accounted for in E b /N 0 (E b : received energy per bit, N 0 : two-sided noise power density of complex equivalent-baseband noise).  ... 
doi:10.1109/icc.2007.896 dblp:conf/icc/PauliLH07 fatcat:f6xua35llnb6tgrpyvujkcrqbq

A multiple antenna wireless testbed for the validation of DoA estimation algorithms

Daniele Inserra, Andrea M. Tonello
2014 AEU - International Journal of Electronics and Communications  
These features make the testbed useful for rapid prototyping. In particular, the presence of the rotating antenna array enables the analysis of direction of arrival (DoA) estimation techniques.  ...  It is shown that the results are in good agreement with the simulations, also when the effect of non isotropic antenna gains and/or phase noise originated from non co-phased RF front-ends becomes considerable  ...  Inserra acknowledges that part of the work herein presented was funded by CNIT, Consorzio Nazionale Interuniversitario per le Telecomunicazioni, with a doctoral research grant.  ... 
doi:10.1016/j.aeue.2013.07.001 fatcat:vaustxmvwjhdfc5wjgtch5h35y

OFDM and Its Wireless Applications: A Survey

Taewon Hwang, Chenyang Yang, Gang Wu, Shaoqian Li, G. Ye Li
2009 IEEE Transactions on Vehicular Technology  
We also describe the applications of OFDM in current systems and standards.  ...  estimation and correction, peak-to-average power ratio reduction, and multiple-input-multiple-output (MIMO) techniques.  ...  In 1985, Cimini first applied OFDM in mobile wireless communications [2] . In [17] , Casas and Leung discussed the application of MC over mobile radio FM channels.  ... 
doi:10.1109/tvt.2008.2004555 fatcat:6ix76lfrk5emhgozbhvdricj6m

Innovative Telecommunications Training through Flexible Radio Platforms

Ali Fatih Demir, Berker Pekoz, Selcuk Kose, Huseyin Arslan
2019 IEEE Communications Magazine  
The ever-changing telecommunication industry is in severe need of a highly-skilled workforce to shape and deploy future generation communication systems.  ...  In addition, the methods that enrich the learning experience, such as gamified micro-tasks and interactive use of daily telecommunication devices, are featured.  ...  ACKNOWLEDGMENT The authors would like to thank former trainees: J. Olivo, A. Menon, M. F. Kucuk, N. Soulandros, and G. Gillespie for their outstanding projects that are presented in Fig. 5 .  ... 
doi:10.1109/mcom.001.1900245 fatcat:yuyrju56ungpfiisecifcq3sra

Simultaneous Radar-Communication Systems Using Controlled Chaos-Based Frequency Modulated Waveforms

Chandra S. Pappu, Thomas L. Carroll, Benjamin C. Flores
2020 IEEE Access  
With the increase in demand for spectral resources and bandwidth constraints, efficient solutions for the coexistence of radar and communication systems are needed.  ...  The performance of the controlled chaotic communication system is assessed in terms of the bit error ratio (BER).  ...  + N (0, σ 2 n ) (17) The SNR of the received waveform is the ratio of the average power of the signal to the average power of the noise, which is the noise variance.  ... 
doi:10.1109/access.2020.2979324 fatcat:wbxhcytouvd3rahzx34rbaqqpa

2018 Index IEEE Transactions on Circuits and Systems I: Regular Papers Vol. 65

2018 IEEE Transactions on Circuits and Systems Part 1: Regular Papers  
., and Pandey, N  ...  ., +, TCSI June 2018 1850-1861 MIMO communication A 0.7-2.5 GHz, 61% EIRP System Efficiency, Four-Element MIMO TX System Exploiting Integrated Power-Relaxed Power Amplifiers and an Analog Spatial De-Interleaver  ...  Analysis of the Effect of Source Capacitance and Inductance on N -Path Mixers and Filters.  ... 
doi:10.1109/tcsi.2019.2896877 fatcat:3lzpngw2ofdjhiculf7ehrjeam

Comb-based WDM transmission at 10 Tbit/s using a DC-driven quantum-dash mode-locked laser diode [article]

Pablo Marin-Palomo, Juned N. Kemal, Philipp Trocha, Stefan Wolf, Kamel Merghem, François Lelarge, Abderrahim Ramdane, Wolfgang Freude, Sebastian Randel, Christian Koos
2019 arXiv   pre-print
Chip-scale frequency comb generators have the potential to become key building blocks of compact wavelength-division multiplexing (WDM) transceivers in future metropolitan or campus-area networks.  ...  To the best of our knowledge, this corresponds to the highest data rate achieved through a DC-driven chip-scale comb generator without any hardware-based phase-noise reduction schemes.  ...  Our investigation is supported by an in-depth analysis of the phase-noise characteristics of the QD-MLLD, revealing a strong increase of the FM-noise spectrum at low frequencies as the main problem that  ... 
arXiv:1904.11952v2 fatcat:3r2433sl5bcpfpplfgy2u5fibi

Toward Millimeter Wave Joint Radar-Communications: A Signal Processing Perspective [article]

Kumar Vijay Mishra, Bhavani Shankar M. R., Visa Koivunen, Björn Ottersten, Sergiy A. Vorobyov
2019 arXiv   pre-print
Such a joint radar-communications (JRC) model has advantages of low-cost, compact size, less power consumption, spectrum sharing, improved performance, and safety due to enhanced information sharing.  ...  There are opportunities to exploit recent advances in cognition, compressed sensing, and machine learning to reduce required resources and dynamically allocate them with low overheads.  ...  Other solution paths consist of finding spatial filters to mitigate in-band MIMO communications interference through optimization of the sidelobe and cross-correlation levels in MIMO radar systems [41  ... 
arXiv:1905.00690v2 fatcat:4razrkbgafchdb6dz5qqjslh7e
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