Search Results - delay/Doppler-spread function*

Identification and matching of sparse Delay-Doppler Spread Functions from high-frequency communications signals

Authors: Joao Gomes Ehsan Zamanizadeh Jose M. Bioucas-Dias

Source: OCEANS 2010 MTS/IEEE SEATTLE. :1-10

Subject Terms: 0202 electrical engineering, electronic engineering, information engineering, 02 engineering and technology, 14. Life underwater, 01 natural sciences, 0105 earth and related environmental sciences

Access URL: http://www.lx.it.pt/~bioucas/files/oce10.pdf
https://ieeexplore.ieee.org/document/5664293/
http://yadda.icm.edu.pl/yadda/element/bwmeta1.element.ieee-000005664293

Non-Stationary 3D M2M Channel Modeling and Verification With Aircraft-to-Aircraft, Drone-to-Drone, Vehicle-to-Vehicle, and Ship-to-Ship Measurements

Authors: Bellido-Manganell, Miguel Angel Walter, Michael

Source: IEEE Transactions on Vehicular Technology. 73:6045-6060

Subject Terms: ship-to-ship (S2S), aircraft-to-aircraft (A2A), vehicle-tovehicle (V2V), delay/Doppler-spread function, probability density function (PDF), channel model, drone-to-drone (D2D), car-to-car (C2C), mobile-to-mobile (M2M)

Estimation of Overspread Underwater Acoustic Channel Based on Low-Rank Matrix Recovery

Authors: Jie Li Fangjiong Chen Songzuo Liu et al.

Source: Sensors, Vol 19, Iss 22, p 4976 (2019)

Subject Terms: underwater acoustic channels, doubly spread, delay-doppler-spread function, low-rank matrix recovery, Chemical technology, TP1-1185

Relation: https://www.mdpi.com/1424-8220/19/22/4976; https://doaj.org/toc/1424-8220; https://doaj.org/article/67c7f7b4cf154641b3ab776766e21cd0

Availability: https://doi.org/10.3390/s19224976
https://doaj.org/article/67c7f7b4cf154641b3ab776766e21cd0

Identification of sparse time-varying underwater channels through basis pursuit methods

Authors: Ehsan Zamanizadeh João Gomes José M. Bioucas-dias et al.

Contributors: Ehsan Zamanizadeh João Gomes José M. Bioucas-dias et al.

Source: http://www.lx.it.pt/~bioucas/files/ecua10.pdf.

Subject Terms: Index Terms, Delay-Doppler Spread Function (DDSF, SpaRSA, TwIST, Basis Pursuit, Matching Pursuit, Sparse Estimation, Underwater Acoustic Channels, Underwater Communications

File Description: application/pdf

Relation: http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.386.3708; http://www.lx.it.pt/~bioucas/files/ecua10.pdf

Availability: http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.386.3708
http://www.lx.it.pt/~bioucas/files/ecua10.pdf

Identification and matching of sparse Delay-Doppler Spread Functions from high-frequency communications signals.

Authors: Zamanizadeh, E. Gomes, J. Bioucas-Dias, J.M.

Source: OCEANS 2010; 2010, p1-10, 10p

On Sparse Bayesian Spreading Function Estimation Based Iterative Detection in Multiple-Input Multiple-Output Underwater Acoustic Communications

Authors: Fengzhong Qu Yezhou Wu Qin Xiangzhao et al.

Source: 2018 OCEANS - MTS/IEEE Kobe Techno-Oceans (OTO). :1-7

Subject Terms: 0103 physical sciences, 01 natural sciences

Access URL: https://ieeexplore.ieee.org/document/8559165/

An Adaptive MP Algorithm for Underwater Acoustic Channel Estimation Based on Compressed Sensing

Authors: Shaopeng Mu Wengen Gao Yunfei Li et al.

Source: IEEE Access, Vol 11, Pp 109131-109141 (2023)

Subject Terms: delayed-Doppler spreading function (DDSF), adaptive algorithm, Underwater acoustic communication, iteration termination condition, Electrical engineering. Electronics. Nuclear engineering, TK1-9971

Access URL: https://doaj.org/article/53ef4d2921384b46bdbb7467aa1a8234

A Discrete-Time Channel Simulator Driven by Measured Scattering Functions

Authors: Walree, P.A. van Jenserud, T. Smedsrud, M. et al.

Contributors: Walree, P.A. van Jenserud, T. Smedsrud, M. et al.

Source: IEEE Journal on Selected Areas in Communications, 26(9), pp. 1628-1637.

Subject Terms: Signal processing, Scattering functions, Synthetic datums, Temporal coherences, Uncorrelated scatterings, Scattering, Communication channels (information theory), Multipath, Probability density function, Simulators, Coherent light, Wireless telecommunication systems, Error correction, Telecommunication equipment, Doppler corrections, Time channels, Platform motions, Tap gains, In-situ, Time-varying channels, Continuous time systems, Acoustics, Channel simulators, Doppler effect, Rayleigh fading, Operation modes, Underwater acoustic communication, Acoustic wave scattering, Discrete-time filters, Phase correlations, Feedback equalizers, Acoustic signal processing, Mean squares

Access URL: https://resolver.tno.nl/uuid:ac9355bd-63db-4161-8f44-8843ba256fa8

A Discrete-Time Channel Simulator Driven by Measured Scattering Functions.

Authors: Van Walree, Paul A. Jenserud, Trond Smedsrud, Morten

Source: IEEE Journal on Selected Areas in Communications; Dec2008, Vol. 26 Issue 9, p1628-1637, 10p, 4 Diagrams, 1 Chart, 6 Graphs

Subject Terms: DISCRETE-time systems, UNDERWATER acoustics, SIGNAL processing, UNDERWATER acoustic telemetry, SCATTERING (Physics), IMPULSE response, DOPPLER effect

Estimation of Rapidly Time-Varying Sparse Channels.

Authors: Weichang Li Preisig, James C.

Source: IEEE Journal of Oceanic Engineering; Oct2007, Vol. 32 Issue 4, p927-939, 13p, 4 Charts, 9 Graphs

Subject Terms: TELECOMMUNICATION, ESTIMATION theory, SIGNAL processing, BANDWIDTHS, SURFACE waves (Fluids), SCATTERING (Physics), LEAST squares

Fast estimation of sparse doubly spread acoustic channels.

Authors: Zeng, Wen-Jun Xu, Wen

Source: Journal of the Acoustical Society of America; Jan2012, Vol. 131 Issue 1, p303-317, 15p

Subject Terms: SPARSE matrices, SOUND, DOPPLER effect, DATA structures, ALGORITHMS

In Situ Performance Prediction of a Coherent Acoustic Modem in a Reverberant Environment.

Authors: van Walree, Paul A. Colin, Mathieu E. G. D.

Source: IEEE Journal of Oceanic Engineering; Jan2022, Vol. 47 Issue 1, p236-254, 19p

Subject Terms: MODEMS, SIGNAL-to-noise ratio, FORECASTING, STOCHASTIC resonance

A metric to quantify the time-varying characteristics of underwater acoustic communication channels.

Authors: Li, Xianpeng Tai, Yupeng Wang, Haibin et al.

Source: JASA Express Letters; Jul2024, Vol. 4 Issue 7, p1-8, 8p

Subject Terms: UNDERWATER acoustic communication, DECISION feedback equalizers, SIGNAL-to-noise ratio, INFORMATION storage & retrieval systems, TIME-varying systems

On the transfer function calculus for underspread LTV channels.

Authors: Kozek, Werner

Source: IEEE Transactions on Signal Processing; Jan97, Vol. 45 Issue 1, p219, 5p, 22 Diagrams

Subject Terms: GENERALIZED spaces, TRANSFER functions, SIGNAL processing

A multiscale sparse processing approach to tracking the delay-Doppler spread in shallow water acoustic communications

Authors: James C. Preisig Ananya Sen Gupta

Source: The Journal of the Acoustical Society of America. 129:2600-2600

Access URL: https://asa.scitation.org/doi/10.1121/1.3588620
http://ui.adsabs.harvard.edu/abs/2011ASAJ..129.2600S/abstract

Sparse Underwater Acoustic Channel Parameter Estimation Using a Wideband Receiver Array.

Authors: Byun, Sung-Hoon Seong, Woojae Kim, Sea-Moon

Source: IEEE Journal of Oceanic Engineering; Oct2013, Vol. 38 Issue 4, p718-729, 12p

Subject Terms: UNDERWATER acoustic communication, MARINE communication, UNDERWATER acoustics, TIME delay systems, ORTHOGONAL matching pursuit, STATISTICAL matching

Evidence in support of Gaussian mixture models for sparse time varying ocean acoustic response functions.

Authors: Gendron, Paul J.

Source: Journal of the Acoustical Society of America; Apr2017, Vol. 141 Issue 4, pEL413-EL419, 7p

Subject Terms: GAUSSIAN mixture models, MATHEMATICAL models of underwater acoustics, ACOUSTIC receivers, ACOUSTIC arrays, ACOUSTIC radiators

Underwater Acoustic Communication Modems: Recent Trends in Technology.

Authors: Rao, Polychetty Veenasheela Kumar, Pankaj Kumar, Prashant

Source: Indian Journal of Pure & Applied Physics; Apr2025, Vol. 63 Issue 4, p319-338, 20p

Subject Terms: UNDERWATER acoustic communication, NATURAL gas prospecting, BIOLOGICAL monitoring, PETROLEUM prospecting, SEISMIC surveys

Characterization of Randomly Time-Variant Linear Channels.

Authors: BELLO, PHILIP A.

Source: Best of the Best; 2010, p429-462, 34p

Wideband Channel Characterisation.

Source: Mobile Radio Propagation Channel; 2000 2nd Edition, p164-189, 26p

Subject Terms: BROADBAND communication systems, MOBILE communication systems, RADIO transmitters & transmission, RADIO stations