Hardware architecture for ultra-wideband channel impulse response measurements using compressed sensing. - In: 28th European Signal Processing Conference (EUSIPCO 2020) : proceedings : 24-28 August 2020, Amsterdam, The Nederlands.. - [Piscataway, NJ] : IEEE, (2020), S. 1663-1667
We propose a compact hardware architecture for measuring sparse channel impulse responses (IR) by extending the M-Sequence ultra-wideband (UWB) measurement principle with the concept of compressed sensing. A channel is excited with a periodic M-sequence and its response signal is observed using a Random Demodulator (RD), which observes pseudo-random linear combinations of the response signal at a rate significantly lower than the measurement bandwidth. The excitation signal and the RD mixing signal are generated from compactly implementable Linear Feedback Shift registers (LFSR) and operated from a common clock. A linear model is derived that allows retrieving an IR from a set of observations using Sparse-Signal-Recovery (SSR). A Matrix-free model implementation is possible due to the choice of synchronous LFSRs as signal generators, resulting in low computational complexity. For validation, real measurement data of a time-variant channel containing multipath components is processed by simulation models of our proposed architecture and the classic M-Sequence method. We show successful IR recovery using our architecture and SSR, outperforming the classic method significantly in terms of IR measurement rate. Compared to the classic method, the proposed architecture allows faster measurements of sparse time-varying channels, resulting in higher Doppler tolerance without increasing hardware or data stream complexity.
https://doi.org/10.23919/Eusipco47968.2020.9287454
Characterization of GPS disciplined oscillators using a laboratory GNSS simulation testbed. - In: IEEE IFCS-ISAF 2020 : Joint Conference of the IEEE International Frequency Control Symposium & IEEE International Symposium on Applications of Ferroelectrics : virtual conference, July 19-23, 2020 : 2020 symposium proceedings.. - Piscataway, NJ : IEEE, (2020), insges. 4 S.
This paper introduces a testbed to characterize the performance of GPS disciplined oscillators using a GNSS signal simulator and a measurement system based on software-defined radios and digital signal processing that allows to examine the stability of up to four devices with sub-nanosecond precision, time-coherently for 1 PPS and 10 MHz signals, in a controllable laboratory environment with reproducible and adjustable GNSS signal settings over a long-term observation period. To demonstrate the effectiveness of this method, four devices of one specific low-cost GPSDO type available to the authors are characterized and compared in terms of their positional accuracy and their time and frequency stability in steady state and during stabilization.
https://doi.org/10.1109/IFCS-ISAF41089.2020.9234932
Stochastic modeling of short and long term clock skew. - In: IEEE IFCS-ISAF 2020 : Joint Conference of the IEEE International Frequency Control Symposium & IEEE International Symposium on Applications of Ferroelectrics : virtual conference, July 19-23, 2020 : 2020 symposium proceedings.. - Piscataway, NJ : IEEE, (2020), insges. 4 S.
Traditional black box clock skew models are either the power-law noise model or a more recent approach based on auto-regressive (AR) filters. Unfortunately, neither algorithm can accurately model short and long term skew due to limited degrees of freedom or stability constraints. We propose a novel model that employs the current AR algorithm recursively with appropriate pre- and post-processing to achieve numeric stability and accurate reproduction of short and long term effects. The model coefficients are derived from a measured skew signal, with the model output matching an exemplary original signal closely in terms of Allan variance and time-domain behavior.
https://doi.org/10.1109/IFCS-ISAF41089.2020.9234818
Characterizing GPS disciplined oscillators for distributed vehicle-to-X measurement applications. - In: IEEE IFCS-ISAF 2020 : Joint Conference of the IEEE International Frequency Control Symposium & IEEE International Symposium on Applications of Ferroelectrics : virtual conference, July 19-23, 2020 : 2020 symposium proceedings.. - Piscataway, NJ : IEEE, (2020), insges. 4 S.
In this paper, we analyze the reference signal stability of 1 PPS and 10 MHz signals provided by a low-cost GPS disciplined oscillator under application specific conditions using a comparable light-weight measurement system based on software defined radio and digital signal processing. In mobile measurement scenarios, GPS signal impairments are inevitable, due to obstacles such as buildings, street canyons, bridges, and tunnels. Therefore, we preliminarily characterize four GPSDOs under test in a stationary setup using controlled GPS reception loss to drive them into alternating operation modes, namely free-run, disciplined and holdover mode. Further, we conducted a more than 100 km real-world diversified test drive to characterize the performance of the particular GPSDO as realistically as possible for the intended use in mobile V2X measurements.
https://doi.org/10.1109/IFCS-ISAF41089.2020.9234915
Acoustic process monitoring in laser beam welding. - In: Procedia CIRP. - Amsterdam [u.a.] : Elsevier, ISSN 2212-8271, Bd. 94 (2020), S. 763-768
Structure-borne acoustic emission (AE) measurement shows major advantages regarding quality assurance and process control in industrial applications. In this paper, laser beam welding of steel and aluminum was carried out under varying process parameters (welding speed, focal position) in order to provide data by means of structure-borne AE and simultaneously high-speed video recordings. The analysis is based on conventionally (e.g. filtering, autocorrelation, spectrograms) as well as machine learning methods (convolutional neural nets) and showed promising results with respect to the use of structure-borne AE for process monitoring using the example of spatter formation.
https://doi.org/10.1016/j.procir.2020.09.139
OFDM waveform for distributed radar sensing in automotive scenarios. - In: International journal of microwave and wireless technologies. - Cambridge : Cambridge Univ. Press, ISSN 1759-0795, Bd. 12 (2020), 8, S. 716-722
https://doi.org/10.1017/S1759078720000859
eadf: representation of far-field antenna responses in Python. - In: SoftwareX. - Amsterdam [u.a.] : Elsevier, ISSN 2352-7110, Bd. 12 (2020), 100583, S. 1-6
https://doi.org/10.1016/j.softx.2020.100583
Measurement campaign with synchronized distributed receivers and mobile emitter at 3.75 GHz in urban scenarios. - In: 2020 IEEE 91st Vehicular Technology Conference (VTC Spring) : proceedings : Antwerp, Belgium, 25-28 May 2020.. - [Piscataway, NJ] : IEEE, (2020), insges. 5 S.
https://doi.org/10.1109/VTC2020-Spring48590.2020.9128562
Performance of OFDMA resource scheduling in joint mobile radio and radar networks. - In: 14th European Conference on Antennas and Propagation : 15-20 March 2020, Copenhagen, Denmark.. - [Piscataway, NJ] : IEEE, (2020), insges. 5 S.
https://doi.org/10.23919/EuCAP48036.2020.9135864
Multi-band characterization of propagation in industry scenarios. - In: 14th European Conference on Antennas and Propagation : 15-20 March 2020, Copenhagen, Denmark.. - [Piscataway, NJ] : IEEE, (2020), insges. 5 S.
https://doi.org/10.23919/EuCAP48036.2020.9135630
Characterization of the propagation channel in conference room scenario at 190 GHz. - In: 14th European Conference on Antennas and Propagation : 15-20 March 2020, Copenhagen, Denmark.. - [Piscataway, NJ] : IEEE, (2020), insges. 5 S.
https://doi.org/10.23919/EuCAP48036.2020.9135404
3D calibration of an over-the-air testbed for GNSS CRPA antenna testing. - In: 14th European Conference on Antennas and Propagation : 15-20 March 2020, Copenhagen, Denmark.. - [Piscataway, NJ] : IEEE, (2020), insges. 5 S.
https://doi.org/10.23919/EuCAP48036.2020.9135937
Redesigned waveforms in the maritime medium frequency bands. - In: 2020 IEEE/ION Position, Location and Navigation Symposium (PLANS). - [Piscataway, NJ] : IEEE, (2020), S. 827-831
https://doi.org/10.1109/PLANS46316.2020.9110174
Clutter removal of near-field UWB SAR imaging for pipeline penetrating radar. - In: IEEE journal of selected topics in applied earth observations and remote sensing. - New York, NY : IEEE, Bd. 13 (2020), S. 1527-1539
https://doi.org/10.1109/JSTARS.2020.2983891
Data security and trading framework for smart grids in neighborhood area networks. - In: Sensors. - Basel : MDPI, ISSN 1424-8220, Volume 20 (2020), issue 5, 1337, Seite 1-25
https://doi.org/10.3390/s20051337
UHF RFID tag response measurements using a do-it-yourself platform and components off-the-shelf. - In: IEEE journal of radio frequency identification. - New York, NY : IEEE, ISSN 2469-7281, Bd. 4 (2020), 1, S. 65-72
https://doi.org/10.1109/JRFID.2020.2965006
A Chinese remainder theorem based perfect secret sharing scheme with enhanced secret range values using tensor based operations. - In: 2019 13th International Conference on Signal Processing and Communication Systems (ICSPCS) : Surfers Paradise, Australia, December 16-18, 2019 : proceedings.. - [Piscataway, NJ] : IEEE, (2019), insges. 6 S.
https://doi.org/10.1109/ICSPCS47537.2019.9008712
Utilization of the V2X radio channels temporal stationarity for communication and radar sensing. - In: 2019 International Symposium on Antennas and Propagation : (ISAP2019) : proceedings : October 27-30, 2019, Xi'an Paradise Resort, Xian, China.. - [Piscataway, NJ] : IEEE, (2019), insges. 4 S.
https://ieeexplore.ieee.org/document/8963511
Hybrid ray tracing method for millimeter wave propagation simulation in large indoor scenarios. - In: WSA 2019 : 23rd International ITG Workshop on Smart Antennas.. - [Frankfurt am Main] : VDE, (2019), S. 99-104
https://ieeexplore.ieee.org/document/8727201
3D reconstruction of handheld data by SAFT and the influence of measurement inaccuracies. - In: 2019 IEEE International Ultrasonics Symposium (IUS). - [Piscataway, NJ] : IEEE, (2019), S. 2095-2098
https://doi.org/10.1109/ULTSYM.2019.8926018
SAFT processing for manually acquired ultrasonic measurement data with 3D smartInspect. - In: Insight : non-destructive testing and condition monitoring ; the journal of the British Institute of Non-Destructive Testing.. - Northampton, ISSN 0007-1137, Bd. 61 (2019), 11, S. 663-669
https://doi.org/10.1784/insi.2019.61.11.663
Defect detection from compressed 3-D ultrasonic frequency measurements. - In: 27th EUSIPCO 2019 - European Signal Processing Conference : A Coruña, Spain, September 2-6, 2019.. - [Piscataway, NJ] : IEEE, (2019), insges. 5 S.
https://doi.org/10.23919/EUSIPCO.2019.8903133
Joint high-resolution delay-doppler estimation for bi-static radar measurements. - In: 2019 16th European Radar Conference : 2-4 October 2019, Paris, France.. - [Piscataway, NJ] : IEEE, (2019), S. 145-148
https://ieeexplore.ieee.org/document/8904605
OFDM waveform for distributed radar sensing in automotive scenarios. - In: 2019 16th European Radar Conference : 2-4 October 2019, Paris, France.. - [Piscataway, NJ] : IEEE, (2019), S. 225-228
https://ieeexplore.ieee.org/document/8904754
Multi-band vehicle to vehicle channel measurements from 6 GHz to 60 GHz at "T" intersection. - In: 2019 IEEE 2nd Connected and Automated Vehicles Symposium (CAVS) : proceedings : 22-23 September 2019, Honolulu, Hawaii, USA.. - Piscataway, NJ : IEEE, (2019), insges. 5 S.
https://doi.org/10.1109/CAVS.2019.8887794
Multi-band propagation and radio channel characterization in street canyon scenarios for 5G and beyond. - In: IEEE access : practical research, open solutions.. - New York, NY : IEEE, ISSN 2169-3536, Bd. 7 (2019), S. 160385-160396
https://doi.org/10.1109/ACCESS.2019.2948869
Influence of spatial-wideband effects in evaluation of mm-wave communications. - In: IET microwaves, antennas and propagation. - London : IET, ISSN 1751-8733, Bd. 13 (2019), 13, S. 2200-2206
https://doi.org/10.1049/iet-map.2018.6160
Multi-band double-directional 5G street canyon measurements in Germany. - In: 2019 European Conference on Networks and Communications (EuCNC). - Piscataway, NJ : IEEE, (2019), S. 123-127
https://doi.org/10.1109/EuCNC.2019.8801951
Wideband air-ground channel model for a regional airport environment. - In: IEEE transactions on vehicular technology : a publication of the IEEE Vehicular Technology Society.. - New York, NY : IEEE, ISSN 1939-9359, Bd. 68 (2019), 7, S. 6243-6256
https://doi.org/10.1109/TVT.2019.2914337
Experimental and analytical characterization of time-variant V2V channels in a highway scenario. - In: 2019 13th European Conference on Antennas and Propagation (EuCAP). - [Piscataway, NJ] : IEEE, (2019), insges. 5 S.
https://ieeexplore.ieee.org/document/8739792
Statistical analysis and modeling of vehicular radar cross section. - In: 2019 13th European Conference on Antennas and Propagation (EuCAP). - [Piscataway, NJ] : IEEE, (2019), insges. 5 S.
https://ieeexplore.ieee.org/document/8740243
Investigation on stationarity of V2V channels in a highway scenario. - In: 2019 13th European Conference on Antennas and Propagation (EuCAP). - [Piscataway, NJ] : IEEE, (2019), insges. 5 S.
https://ieeexplore.ieee.org/document/8739916
Multi-band indoor propagation characterization by measurements from 6 to 60 GHz. - In: 2019 13th European Conference on Antennas and Propagation (EuCAP). - [Piscataway, NJ] : IEEE, (2019), insges. 5 S.
https://ieeexplore.ieee.org/document/8739860
Polarization in spatial channel models at mm-waves: a correlation based approach. - In: 2019 13th European Conference on Antennas and Propagation (EuCAP). - [Piscataway, NJ] : IEEE, (2019), insges. 5 S.
https://ieeexplore.ieee.org/document/8739948
Bi-static delay-Doppler emulation of cooperative passive vehicle-to-X radar. - In: 2019 13th European Conference on Antennas and Propagation (EuCAP). - [Piscataway, NJ] : IEEE, (2019), insges. 5 S.
https://ieeexplore.ieee.org/document/8739479
A versatile, automated, cost-effective testing platform for hands-on UHF RFID measurements. - In: 2019 IEEE International Conference on RFID (RFID). - Piscataway, NJ : IEEE, (2019), insges. 7 S.
https://doi.org/10.1109/RFID.2019.8719272
Tensor-based time-delay estimation for second and third generation global positioning system. - In: Digital signal processing : a review journal.. - Orlando, Fla. : Academic Press, ISSN 1051-2004, Bd. 92 (2019), S. 1-19
https://doi.org/10.1016/j.dsp.2019.04.003
Standardized testing conditions for satellite communications on-the-move (SOTM) terminals. - In: International journal of satellite communications and networking. - New York, NY [u.a.] : Wiley, ISSN 1542-0981, Bd. 37 (2019), 3, S. 163-182
https://doi.org/10.1002/sat.1272
M-estimator based Chinese Remainder Theorem with few remainders using a Kroenecker product based mapping vector. - In: Digital signal processing : a review journal.. - Orlando, Fla. : Academic Press, ISSN 1051-2004, Bd. 87 (2019), S. 60-74
https://doi.org/10.1016/j.dsp.2019.01.009
Sub-band versus space-delay precoding for wideband mmWave channels. - In: IEEE wireless communications letters. - [New York, NY] : IEEE, ISSN 2162-2345, Bd. 8 (2019), 1, S. 193-196
https://doi.org/10.1109/LWC.2018.2866250
Automotive antenna roof for cooperative connected driving. - In: IEEE access : practical research, open solutions.. - New York, NY : IEEE, ISSN 2169-3536, Bd. 7 (2019), S. 20083-20090
https://doi.org/10.1109/ACCESS.2019.2897219
Low-complexity and high-accuracy semi-blind joint channel and symbol estimation for massive MIMO-OFDM. - In: Circuits, systems and signal processing : CSSP.. - Boston, Mass. : Birkhäuser, ISSN 1531-5878, Bd. 38 (2019), 3, S. 1114-1136
https://doi.org/10.1007/s00034-018-0898-1
Cooperative passive coherent location: a promising 5G service to support road safety. - In: IEEE communications magazine. - New York, NY : IEEE, ISSN 1558-1896, Bd. 57 (2019), 9, S. 86-92
https://doi.org/10.1109/MCOM.001.1800242
Tracking based multipath clustering in vehicle-to-infrastructure channels. - In: 2018 IEEE 29th Annual International Symposium on Personal, Indoor, and Mobile Radio Communications (PIMRC) : 9-12 Sept. 2018.. - [Piscataway, NJ] : IEEE, ISBN 978-1-5386-6009-6, (2018), insges. 5 S.
https://doi.org/10.1109/PIMRC.2018.8580979
Multi-band characterization of path-loss, delay, and angular spread in V2V links. - In: 2018 IEEE 29th Annual International Symposium on Personal, Indoor, and Mobile Radio Communications (PIMRC) : 9-12 Sept. 2018.. - [Piscataway, NJ] : IEEE, ISBN 978-1-5386-6009-6, (2018), S. 85-90
https://doi.org/10.1109/PIMRC.2018.8580797
Progressive online 3-D SAFT processing by matrix structure exploitation. - In: 2018 IEEE International Ultrasonics Symposium (IUS) : 22-25 Oct. 2018.. - [Piscataway, NJ] : IEEE, (2018), insges. 4 S.
https://doi.org/10.1109/ULTSYM.2018.8579696
A fast and stable time locked loop for network time synchronization with parallel FLL and PLL. - In: ISPCS 2018 : International IEEE Symposium on Precision Clock Synchronization for Measurement, Control, and Communication : European Organization for Nuclear Research (CERN) : September 30-October 5, 2018, Switzerland : 2018 symposium proceedings.. - Piscataway, NJ, USA : IEEE, (2018), insges. 6 S.
https://doi.org/10.1109/ISPCS.2018.8543066
Comparison of software-defined radios for performance evaluation of high precision clocks. - In: ISPCS 2018 : International IEEE Symposium on Precision Clock Synchronization for Measurement, Control, and Communication : European Organization for Nuclear Research (CERN) : September 30-October 5, 2018, Switzerland : 2018 symposium proceedings.. - Piscataway, NJ, USA : IEEE, (2018), insges. 6 S.
https://doi.org/10.1109/ISPCS.2018.8543073
Sensing matrix sensitivity to random Gaussian perturbations in compressed sensing. - In: EUSIPCO 2018 : 2018 26th European Signal Processing Conference, Rome, Italy, September 3-7, 2018.. - [Piscataway, NJ] : IEEE, ISBN 978-90-827970-1-5, (2018), S. 583-587
https://doi.org/10.23919/EUSIPCO.2018.8553575
Defect detection from 3D ultrasonic measurements using matrix-free sparse recovery algorithms. - In: EUSIPCO 2018 : 2018 26th European Signal Processing Conference, Rome, Italy, September 3-7, 2018.. - [Piscataway, NJ] : IEEE, ISBN 978-90-827970-1-5, (2018), S. 1700-1704
https://doi.org/10.23919/EUSIPCO.2018.8553074
Conformal automotive roof-top antenna cavity with increased coverage to vulnerable road users. - In: IEEE antennas and wireless propagation letters. - New York, NY : IEEE, ISSN 1548-5757, Bd. 17 (2018), 12, S. 2399-2403
https://doi.org/10.1109/LAWP.2018.2876628
Modeling of intra-cluster multipaths for 60 GHz fading channels. - In: 12th European Conference on Antennas and Propagation (EuCAP 2018) : 9-13 April 2018.. - [Stevenage, UK] : IET, ISBN 978-1-78561-816-1, (2018), insges. 5 S.
https://doi.org/10.1049/cp.2018.0873
On modeling OTA channel emulation systems. - In: 12th European Conference on Antennas and Propagation (EuCAP 2018) : 9-13 April 2018.. - [Stevenage, UK] : IET, ISBN 978-1-78561-816-1, (2018), insges. 5 S.
https://doi.org/10.1049/cp.2018.0862
Influence of system aspects in propagation based evaluation of beam-forming at mm-waves. - In: 12th European Conference on Antennas and Propagation (EuCAP 2018) : 9-13 April 2018.. - [Stevenage, UK] : IET, ISBN 978-1-78561-816-1, (2018), insges. 5 S.
https://doi.org/10.1049/cp.2018.0763
Multi-band spatio-temporal characterization of a V2V environment under blockage. - In: 12th European Conference on Antennas and Propagation (EuCAP 2018) : 9-13 April 2018.. - [Stevenage, UK] : IET, ISBN 978-1-78561-816-1, (2018), insges. 5 S.
https://doi.org/10.1049/cp.2018.0725
Investigation of V2I channel transitions in urban environment. - In: 12th European Conference on Antennas and Propagation (EuCAP 2018) : 9-13 April 2018.. - [Stevenage, UK] : IET, ISBN 978-1-78561-816-1, (2018), insges. 5 S.
https://doi.org/10.1049/cp.2018.0723
Estimation and characterization of multipath clusters in urban scenarios. - In: 12th European Conference on Antennas and Propagation (EuCAP 2018) : 9-13 April 2018.. - [Stevenage, UK] : IET, ISBN 978-1-78561-816-1, (2018), insges. 5 S.
https://doi.org/10.1049/cp.2018.0390
Contribution to drone detection by exploiting parameter estimation for a prototype mm-wave radar system. - In: WSA 2018 : 22nd International ITG Workshop on Smart Antennas : 14-16 March 2018.. - [Frankfurt am Main] : VDE, (2018), insges. 8 S.
https://ieeexplore.ieee.org/document/8385469
Compressive spatial channel sounding. - In: 12th European Conference on Antennas and Propagation (EuCAP 2018) : 9-13 April 2018.. - [Stevenage, UK] : IET, ISBN 978-1-78561-816-1, (2018), insges. 5 S.
http://dx.doi.org/10.1049/cp.2018.0472
Combining matrix design for 2D DoA estimation with compressive antenna arrays. - In: WSA 2018 : 22nd International ITG Workshop on Smart Antennas : 14-16 March 2018.. - [Frankfurt am Main] : VDE, (2018), insges. 8 S.
https://ieeexplore.ieee.org/document/8385488
Analysis and design of broadband simultaneous wireless information and power transfer (SWIPT) system considering rectifier effect. - In: Energies : open-access journal of related scientific research, technology development and studies in policy and management.. - Basel : MDPI, ISSN 1996-1073, Bd. 11 (2018), 9, 2387, insges. 18 S.
https://doi.org/10.3390/en11092387
Grid-free Direction-of-Arrival estimation with compressed sensing and arbitrary antenna arrays. - In: 2018 IEEE International Conference on Acoustics, Speech, and Signal Processing : proceedings : April 15-20, 2018, Calgary Telus Convention Center, Calgary, Alberta, Canada.. - Piscataway, NJ : IEEE, ISBN 978-1-5386-4658-8, (2018), S. 3251-3255
https://doi.org/10.1109/ICASSP.2018.8462501
Reflector localization for geometrical modeling the air-ground channel. - In: IEEE transactions on vehicular technology : a publication of the IEEE Vehicular Technology Society.. - New York, NY : IEEE, ISSN 1939-9359, Bd. 67 (2018), 9, S. 7994-8008
https://doi.org/10.1109/TVT.2018.2849686
Measuring ETSI ITS-G5 communications latencies with commercial off-the-shelf Wi-Fi hardware. - In: 2018 IEEE MTT-S International Conference on Microwaves for Intelligent Mobility (ICMIM) : 2018 IEEE MTT-S International Conference on Microwaves for Intelligent Mobility (ICMIM) took place 16-18 April 2018 in Munich, Germany.. - Piscataway, NJ : IEEE, ISBN 978-1-5386-1725-0, (2018), insges. 4 S.
https://doi.org/10.1109/ICMIM.2018.8443355
Sparsity order estimation from a single compressed observation vector. - In: IEEE transactions on signal processing : SP ; a publication of the IEEE Signal Processing Society.. - New York, NY : IEEE, Bd. 66 (2018), 15, S. 3958-3971
https://doi.org/10.1109/TSP.2018.2841867
High-resolution parameter estimation for chirp-sequence radar considering hardware impairments. - In: Riding the green waves : GeMiC 2018 : German Microwave Conference : March 12-14, Freiburg, Germany.. - [Piscataway, NJ] : IEEE, (2018), S. 355-358
https://doi.org/10.23919/GEMIC.2018.8335103
High-precision measurement of sine and pulse reference signals using software-defined radio. - In: IEEE transactions on instrumentation and measurement : IM ; a publication of the Instrumentation and Measurement Society.. - New York, NY : IEEE, Bd. 67 (2018), 5, S. 1132-1141
https://doi.org/10.1109/TIM.2018.2794940
Evaluation of array antenna systems for global navigation satellite system applications using wave-field synthesis in an over-the-air laboratory. - In: IET microwaves, antennas and propagation. - London : IET, ISSN 1751-8733, Bd. 12 (2018), 4, S. 554-560
https://doi.org/10.1049/iet-map.2017.0580
Influence of system aspects on fading at mm-waves. - In: IET microwaves, antennas and propagation. - London : IET, ISSN 1751-8733, Bd. 12 (2018), 4, S. 516-524
https://doi.org/10.1049/iet-map.2017.0601
Multiband TDOA estimation from sub-Nyquist samples with distributed wideband sensing nodes. - In: 2017 IEEE Global Conference on Signal and Information Processing : GlobalSIP 2017 : proceedings : November 14-16, 2017, Montreal, Quebec, Canada.. - Piscataway, NJ : IEEE, ISBN 978-1-5090-5990-4, (2017), S. 96-100
https://doi.org/10.1109/GlobalSIP.2017.8308611
Time-delay estimation via CPD-GEVD applied to tensor-based GNSS arrays with errors. - In: 2017 IEEE 7th International Workshop on Computational Advances in Multi-Sensor Adaptive Processing (CAMSAP) : took place 10-13 December 2017 in Cura¸cao, Netherlands Antilles.. - Piscataway, NJ : IEEE, ISBN 978-1-5386-1251-4, (2017), insges. 5 S.
https://doi.org/10.1109/CAMSAP.2017.8313098
Broadband beamforming via frequency invariance transformation and PARAFAC decomposition. - In: 2017 IEEE 7th International Workshop on Computational Advances in Multi-Sensor Adaptive Processing (CAMSAP) : took place 10-13 December 2017 in Cura¸cao, Netherlands Antilles.. - Piscataway, NJ : IEEE, ISBN 978-1-5386-1251-4, (2017), insges. 5 S.
https://doi.org/10.1109/CAMSAP.2017.8313096
Antenna array based framework with multipath mitigation for signal emitter detection and localization. - In: 2017, 11th International Conference on Signal Processing and Communication Systems (ICSPCS) : Surfers Paradise, Australia, December 13-15, 2017 : proceedings.. - [Piscataway, NJ] : IEEE, ISBN 978-1-5386-2887-4, (2017), insges. 5 S.
https://doi.org/10.1109/ICSPCS.2017.8270462
Polarization optimization of compact antenna arrays for direction of arrival estimation. - In: 2017 14th European Radar Conference : 11-13 October 2017, Nuremburg, Germany.. - [Piscataway, NJ] : IEEE, ISBN 978-2-87487-049-1, (2017), S. 485-488
https://doi.org/10.23919/EURAD.2017.8249253
Interference mitigation in mm-wave backhaul networks with limited channel-state information. - In: 2017 IEEE International Conference on Microwaves, Antennas, Communications and Electronic Systems (COMCAS) : 13-15 Nov. 2017.. - Piscataway, NJ : IEEE, ISBN 978-1-5386-3169-0, (2017), insges. 5 S.
https://doi.org/10.1109/COMCAS.2017.8244804
3D-SAFT auf vorverarbeiteten Ultraschallsignalen - schneller messen bei verbesserter Auflösung. - In: ZfP in Forschung, Entwicklung und Anwendung. - [Berlin] : DGZfP, Deutsche Gesellschaft für Zerstörungsfreie Prüfung e.V., ISBN 978-3-940283-85-6, (2017), insges. 2 S.
Polarization optimization of compact antenna arrays for direction of arrival estimation. - In: 2017 47th European Microwave Conference : 10-12 October 2017, Nuremburg, Germany.. - [Piscataway, NJ] : IEEE, ISBN 978-2-87487-047-7, (2017), S. 1333-1336
https://doi.org/10.23919/EuMC.2017.8231098
Implementation issues of 3D SAFT in time and frequency domain for the fast inspection of heavy plates. - In: 2017 IEEE International Ultrasonics Symposium (IUS) : 06-09 Sept. 2017.. - [Piscataway, NJ] : IEEE, ISBN 978-1-5386-3383-0, (2017), insges. 4 S.
https://doi.org/10.1109/ULTSYM.2017.8092833
Suitability of compact antenna arrays for direction-of-arrival estimation. - In: IEEE transactions on antennas and propagation : a publication of the IEEE Antennas and Propagation Society.. - New York, NY : IEEE, ISSN 0018-926X, Bd. 65 (2017), 12, S. 7244-7256
https://doi.org/10.1109/TAP.2017.2757968
Implementation of sparse signal recovery on FPGA for ultrasonic NDT. - In: 2017 IEEE International Ultrasonics Symposium (IUS) : 06-09 Sept. 2017.. - [Piscataway, NJ] : IEEE, ISBN 978-1-5386-3383-0, (2017), insges. 1 S.
https://doi.org/10.1109/ULTSYM.2017.8092308
Differential SART for sub-Nyquist tomographic reconstruction in presence of misalignments. - In: EUSIPCO 2017 : 25th European Signal Processing Conference : 28 August-2 September 2017, Kos Island, Greece.. - [Piscataway, NJ] : IEEE, ISBN 978-0-9928626-7-1, (2017), S. 2354-2358
https://doi.org/10.23919/EUSIPCO.2017.8081631
Tensor-based sparsity order estimation for big data applications. - In: EUSIPCO 2017 : 25th European Signal Processing Conference : 28 August-2 September 2017, Kos Island, Greece.. - [Piscataway, NJ] : IEEE, ISBN 978-0-9928626-7-1, (2017), S. 648-652
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On the polarization effects of decoupling and matching networks on compact single-polarized antenna arrays for direction finding. - In: 2017 IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications (APWC) : September 11-15, 2017, Verona, Italy.. - [Piscataway, NJ] : IEEE, ISBN 978-1-5090-4454-2, (2017), S. 256-259
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UWB M-sequence based radar technology for localization of first responders. - In: 2017 18th International Radar Symposium (IRS) : 28-30 June 2017.. - [Piscataway, NJ] : IEEE, ISBN 978-3-7369-9343-3, (2017), insges. 9 S.
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Offline mode for corporate mobile client security architecture. - In: Mobile networks and applications : the journal of special issues on mobility of systems, users, data and computing.. - New York, NY : ACM, ISSN 1572-8153, Bd. 22 (2017), 4, S. 743-759
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Using software defined radios for baseband phase measurement and frequency standard calibration. - In: I2MTC - 2017 IEEE International Instrumentation and Measurement Technology Conference : May 22-25, 2017, Politecnico di Torino, Torino, Italy : 2017 proceedings papers.. - Piscataway, NJ : IEEE, ISBN 978-1-5090-3596-0, (2017), insges. 5 S.
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Attaining low uncertainties in measurements with RF signal generators and analyzers. - In: I2MTC - 2017 IEEE International Instrumentation and Measurement Technology Conference : May 22-25, 2017, Politecnico di Torino, Torino, Italy : 2017 proceedings papers.. - Piscataway, NJ : IEEE, ISBN 978-1-5090-3596-0, (2017), insges. 6 S.
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Radiofrequency energy harvesting system based on a rectenna array in urban environments. - In: International Conference on Signals and Systems : ICSIGSys, May 16-18, 2017, Grand Inna Sanur Hotel, Bali, Indonesia.. - [Piscataway, NJ] : IEEE, ISBN 978-1-5090-6748-0, (2017), S. 151-157
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On the SNR variability in noisy compressed sensing. - In: IEEE signal processing letters : a publication of the IEEE Signal Processing Society.. - New York, NY : IEEE, ISSN 1558-2361, Bd. 24 (2017), 8, S. 1148-1152
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Sparse signal recovery for ultrasonic detection and reconstruction of shadowed flaws. - In: 2017 IEEE International Conference on Acoustics, Speech, and Signal Processing : proceedings : March 5-9, 2017, Hilton New Orleans Riverside, New Orleans, Louisiana, USA.. - Piscataway, NJ : IEEE, ISBN 978-1-5090-4117-6, (2017), S. 816-820
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New challenges in over-the-air testing. - In: 2017 11th European Conference on Antennas and Propagation (EUCAP) : 19-24 March 2017.. - [Piscataway, NJ] : IEEE, ISBN 978-88-907018-7-0, (2017), S. 3676-3678
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Evaluation of array antenna systems for GNSS applications using wave-field synthesis in an OTA laboratory. - In: 2017 11th European Conference on Antennas and Propagation (EUCAP) : 19-24 March 2017.. - [Piscataway, NJ] : IEEE, ISBN 978-88-907018-7-0, (2017), S. 3370-3374
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Modeling the air-ground multipath channel. - In: 2017 11th European Conference on Antennas and Propagation (EUCAP) : 19-24 March 2017.. - [Piscataway, NJ] : IEEE, ISBN 978-88-907018-7-0, (2017), S. 1434-1438
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Antenna array configurations for terrestrial backhaul links at Ka-band frequencies. - In: 2017 11th European Conference on Antennas and Propagation (EUCAP) : 19-24 March 2017.. - [Piscataway, NJ] : IEEE, ISBN 978-88-907018-7-0, (2017), S. 431-435
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High resolution time-delay estimation via direction of arrival estimation and Khatri-Rao factorization for multipath mitigation. - In: WSA 2017. - Berlin : VDE VERLAG, ISBN 978-3-8007-4394-0, (2017), insges. 8 S.
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Model order selection and eigen similarity based framework for detection and identification of network attacks. - In: Journal of network and computer applications. - London : Academic Press, ISSN 1084-8045, Bd. 90 (2017), S. 26-41
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Design and analysis of compressive antenna arrays for direction of arrival estimation. - In: Signal processing : a European journal devoted to the methods and applications of signal processing.. - Amsterdam [u.a.] : Elsevier, Bd. 138 (2017), S. 35-47
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Performance analysis of multi-dimensional ESPRIT-type algorithms for arbitrary and strictly non-circular sources with spatial smoothing. - In: IEEE transactions on signal processing : SP ; a publication of the IEEE Signal Processing Society.. - New York, NY : IEEE, Bd. 65 (2017), 9, S. 2262-2276
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Tensor-based methods for blind spatial signature estimation in multidimensional sensor arrays. - In: International journal of antennas and propagation : IJAP.. - New York, NY : Hindawi, ISSN 1687-5877, Bd. 2017 (2017), Article ID 1615962, insges. 11 S.
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Low complexity performance assessment of a sensor array via unscented transformation. - In: Digital signal processing : a review journal.. - Orlando, Fla. : Academic Press, ISSN 1051-2004, Bd. 63 (2017), S. 190-198
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ESPRIT-Hilbert-based audio tampering detection with SVM classifier for forensic analysis via electrical network frequency. - In: IEEE transactions on information forensics and security. - New York, NY : IEEE, ISSN 1556-6021, Bd. 12 (2017), 4, S. 853-864
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Tensor-based methods for blind spatial signature estimation under arbitrary and unknown source covariance structure. - In: Digital signal processing : a review journal.. - Orlando, Fla. : Academic Press, ISSN 1051-2004, Bd. 62 (2017), S. 197-210
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Multi-hop cooperative XIXO transmission scheme for delay tolerant wireless sensor networks. - In: WSA 2016 : 20th International ITG Workshop on Smart Antennas : 9-11 March 2016.. - [Frankfurt am Main] : VDE, (2016), S. 308-312
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On the earth mover's distance as a performance metric for sparse support recovery. - In: 2016 IEEE Global Conference on Signal and Information Processing : GlobalSIP 2016 : proceedings : December 7-9, 2016, Greater Washington, DC, USA.. - Piscataway, NJ : IEEE, ISBN 978-1-5090-4545-7, (2016), S. 1368-1372
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Procedures for integrating, testing and operating advanced microsatellites. - In: IFAC-PapersOnLine. - Frankfurt : Elsevier, ISSN 2405-8963, Bd. 49 (2016), 30, S. 75-79
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First step towards a smart grid communication architecture for the Brazilian Federal District. - In: IFAC-PapersOnLine. - Frankfurt : Elsevier, ISSN 2405-8963, Bd. 49 (2016), 30, S. 251-256
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Low complexity blind separation technique to solve the permutation ambiguity of convolutive speech mixtures. - In: 2016, 10th International Conference on Signal Processing and Communication Systems, (ICSPCS) : Surfers Paradise, Australia, December 19-21, 2016 : proceedings.. - [Piscataway, NJ] : IEEE, ISBN 978-1-5090-0941-1, (2016), insges. 10 S.
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Applying base value of fundamental frequency via the multivariate Kernel-Density in Forensic Speaker Comparison. - In: 2016, 10th International Conference on Signal Processing and Communication Systems, (ICSPCS) : Surfers Paradise, Australia, December 19-21, 2016 : proceedings.. - [Piscataway, NJ] : IEEE, ISBN 978-1-5090-0941-1, (2016), insges. 8 S.
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Audio authentication using the kurtosis of ESPRIT based ENF estimates. - In: 2016, 10th International Conference on Signal Processing and Communication Systems, (ICSPCS) : Surfers Paradise, Australia, December 19-21, 2016 : proceedings.. - [Piscataway, NJ] : IEEE, ISBN 978-1-5090-0941-1, (2016), insges. 6 S.
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Linear baseband precoding strategies for millimeter wave MIMO multi-X channels. - In: IEEE PIMRC 2016 : 2016 IEEE 27th Annual International Symposium on Personal, Indoor, and Mobile Radio Communications (PIMRC) took place 4-8 September 2016 in Valencia, Spain.. - Piscataway, NJ : IEEE, ISBN 978-1-5090-3254-9, (2016), insges. 7 S.
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Block diagonalization for interference mitigation in Ka-band backhaul networks. - In: IEEE PIMRC 2016 : 2016 IEEE 27th Annual International Symposium on Personal, Indoor, and Mobile Radio Communications (PIMRC) took place 4-8 September 2016 in Valencia, Spain.. - Piscataway, NJ : IEEE, ISBN 978-1-5090-3254-9, (2016), insges. 6 S.
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On stochastically emulating continuous scattering structures by discrete sources for OTA testing of DuT with highly directive antennas. - In: IEEE PIMRC 2016 : 2016 IEEE 27th Annual International Symposium on Personal, Indoor, and Mobile Radio Communications (PIMRC) took place 4-8 September 2016 in Valencia, Spain.. - Piscataway, NJ : IEEE, ISBN 978-1-5090-3254-9, (2016), insges. 6 S.
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Measurement matrix design for compressed sensing based time delay estimation. - In: 2016 24th European Signal Processing Conference (EUSIPCO) : Aug. 28, 2016-Sept. 2, 2016.. - Piscataway, NJ : IEEE, ISBN 978-0-9928626-5-7, (2016), S. 458-462
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On poisson compressed sensing and parameter estimation in sheet-of-light surface scanning. - In: 2016 24th European Signal Processing Conference (EUSIPCO) : Aug. 28, 2016-Sept. 2, 2016.. - Piscataway, NJ : IEEE, ISBN 978-0-9928626-5-7, (2016), S. 453-457
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An Over-The-Air wave field synthesis testbed for multi-GNSS systems - setup and verification. - In: Proceedings of the International Academic Forum AMO - SPITSE - NESEFF. - Moscow : Universum, ISBN 978-5-91412-313-7, (2016), S. 15-16
Motivating attendee's participation in distance learning via an automatic messaging plugin for the moodle platform. - In: The crossroads of engineering and business : Frontiers in Education 2016 : October 12-15, 2016, Bayfront Convention Center, Erie, PA.. - Piscataway, NJ, USA : IEEE, ISBN 978-1-5090-1790-4, (2016), insges. 5 S.
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Unscented transform based low complexity performance assessment for adaptive linearly constrained minimum variance filters. - In: Proceedings of the 19th International Conference on OFDM and Frequency Domain Techniques (ICOF 2016). - Berlin : VDE Verlag GmbH, ISBN 978-3-8007-4253-0, (2016), S. 39-44
Implementation of improved software defined radio modulation scheme and command and telemetry software interface for small satellites in 5G systems. - In: Proceedings of the 19th International Conference on OFDM and Frequency Domain Techniques (ICOF 2016). - Berlin : VDE Verlag GmbH, ISBN 978-3-8007-4253-0, (2016), S. 77-83
Speeding up 3D SAFT for ultrasonic NDT by sparse deconvolution. - In: 2016 IEEE International Ultrasonics Symposium (IUS) : 18-21 Sept. 2016.. - [Piscataway, NJ] : IEEE, ISBN 978-1-4673-9897-8, (2016), insges. 4 S.
http://dx.doi.org/10.1109/ULTSYM.2016.7728434
Array interpolation based on multivariate adaptive regression splines. - In: 2016 IEEE Sensor Array and Multichannel Signal Processing Workshop (SAM) : 10-13 July 2016.. - Piscataway, NJ : IEEE, ISBN 978-1-5090-2103-1, (2016), insges. 5 S.
http://dx.doi.org/10.1109/SAM.2016.7569704
Spatially resolved sub-Nyquist sensing of multiband signals with arbitrary antenna arrays. - In: 2016 IEEE 17th International Workshop on Signal Processing Advances in Wireless Communications (SPAWC). - Piscataway, NJ : IEEE, ISBN 978-1-5090-1749-2, (2016), insges. 5 S.
http://dx.doi.org/10.1109/SPAWC.2016.7536776
Deterministic Cramér-Rao bound for strictly non-circular sources and analytical analysis of the achievable gains. - In: IEEE transactions on signal processing : SP ; a publication of the IEEE Signal Processing Society.. - New York, NY : IEEE, Bd. 64 (2016), 17, S. 4417-4431
http://dx.doi.org/10.1109/TSP.2016.2566603
Antenna array optimization strategies for robust direction finding. - In: 2016 10th European Conference on Antennas and Propagation (EuCAP) : the 10th European Conference on Antennas and Propagation (EuCAP 2016) took place 10-15 April 2016 in Davos, Switzerland.. - [Piscataway, NJ] : IEEE, ISBN 978-88-907018-6-3, (2016), insges. 5 S.
http://dx.doi.org/10.1109/EuCAP.2016.7481144
MIMO over-the-air testing for electrically large objects in non-anechoic environments. - In: 2016 10th European Conference on Antennas and Propagation (EuCAP) : the 10th European Conference on Antennas and Propagation (EuCAP 2016) took place 10-15 April 2016 in Davos, Switzerland.. - [Piscataway, NJ] : IEEE, ISBN 978-88-907018-6-3, (2016), insges. 6 S.
http://dx.doi.org/10.1109/EuCAP.2016.7481106
Temporal wireless synchronization with compressed opportunistic signals. - In: 2016 IEEE Topical Conference on Wireless Sensors and Sensor Networks : 24-27 January 2016, Austin, Texas, USA.. - [Piscataway, NJ] : IEEE, ISBN 978-1-5090-1691-4, (2016), S. 93-96
http://dx.doi.org/10.1109/WISNET.2016.7444331
The influence of hardware imperfections onto wave-field synthesis accuracy. - In: WSA 2015 : 19th International ITG Workshop on Smart Antennas : 3-5 March 2015.. - [Piscataway, NJ] : IEEE, (2015), insges. 8 S.
http://ieeexplore.ieee.org/document/7051806/
Compressed temporal synchronization with opportunistic signals. - In: Conference record of the Forty-ninth Asilomar Conference on Signals, Systems & Computers : November 8-11, 2015, Pacific Grove, California.. - Piscataway, NJ : IEEE, ISBN 978-1-4673-8576-3, (2015), S. 204-208
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Adaptive measurement matrix design for compressed DoA estimation with sensor arrays. - In: Conference record of the Forty-ninth Asilomar Conference on Signals, Systems & Computers : November 8-11, 2015, Pacific Grove, California.. - Piscataway, NJ : IEEE, ISBN 978-1-4673-8576-3, (2015), S. 1769-1773
http://dx.doi.org/10.1109/ACSSC.2015.7421455
Generalized sidelobe cancellers for multidimensional separable arrays. - In: 2015 IEEE 6th International Workshop on Computational Advances in Multi-Sensor Adaptive Processing (CAMSAP) : date: 13-16 Dec. 2015.. - Piscataway, NJ : IEEE, ISBN 978-1-4799-1963-5, (2015), S. 193-196
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Detection of time-varying support via rank evolution approach for effective joint sparse recovery. - In: 2015 23rd European Signal Processing Conference (EUSIPCO) : Aug. 31, 2015-Sept. 4, 2015.. - [Piscataway, NJ] : IEEE, ISBN 978-0-9928626-3-3, (2015), S. 1716-1720
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An adaptively focusing measurement design for compressed sensing based DOA estimation. - In: 2015 23rd European Signal Processing Conference (EUSIPCO) : Aug. 31, 2015-Sept. 4, 2015.. - [Piscataway, NJ] : IEEE, ISBN 978-0-9928626-3-3, (2015), S. 859-863
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Wave-field synthesis from theory to practice - an analysis of implementation deficiencies. - In: 2nd International Scientific Symposium "Sense. Enable. SPITSE." 2015, 22 June - 03 July 2015. - St. Petersburg : ETU "LETI", ISBN 978-5-7629-1647-9, (2015), S. 75-78
DoA estimation with reflectarray according to single pixel camera principle. - In: 2015 3rd International Workshop on Compressed Sensing Theory and Its Applications to Radar, Sonar and Remote Sensing (CoSeRa) : date: 17-19 June 2015 .. - Piscataway, NJ : IEEE, ISBN 978-1-4799-7420-7, (2015), S. 268-272
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Land mobile satellite propagation characteristics from knife-edge diffraction modeling and hemispheric images. - In: . - Piscataway, NJ : IEEE, (2015), S. 3346-3349
Sparsity order estimation for sub-Nyquist sampling and recovery of sparse multiband signals. - In: 2015 IEEE International Conference on Communications (ICC) : 8 - 12 June 2015, London, United Kingdom.. - Piscataway, NJ : IEEE, (2015), S. 4907-4912
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On the design of the measurement matrix for Compressed Sensing based DOA estimation. - In: 2015 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP) : 19 - 24 April 2015, Brisbane, Queensland, Australia.. - Piscataway, NJ : IEEE, ISBN 978-1-4673-6998-5, (2015), S. 3631-3635
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Emulation of virtual radio environments for realistic end-to-end testing for intelligent traffic systems. - In: 2015 IEEE MTT-S International Conference on Microwaves for Intelligent Mobility (ICMIM) : April 27-29, Heidelberg, Germany.. - Piscataway, NJ : IEEE, ISBN 978-1-4799-7215-9, (2015), insges. 4 S.
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Parametric spatial sound processing : a flexible and efficient solution to sound scene acquisition, modification, and reproduction. - In: IEEE signal processing magazine : a publication of the IEEE Signal Processing Society.. - New York, NY : IEEE, Bd. 32 (2015), 2, S. 31-42
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Modeling of the Land Mobile Satellite channel considering the terminal's driving direction. - In: International journal of antennas and propagation : IJAP.. - New York, NY : Hindawi, ISSN 1687-5877, Bd. 2015 (2015), Article ID 372124, insges. 21 S.
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Link adaptation for LTE-A systems employing MMSE turbo equalization. - In: WSA 2014 : 18th International ITG Workshop on Smart Antennas$d12-13 March 2014.. - [Piscataway, NJ] : IEEE, (2014), insges. 7 S.
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Polarimetric compressive sensing based DOA estimation. - In: WSA 2014 : 18th International ITG Workshop on Smart Antennas$d12-13 March 2014.. - [Piscataway, NJ] : IEEE, (2014), insges. 8 S.
http://ieeexplore.ieee.org/document/6776890/
Sparsity order estimation for single snapshot compressed sensing. - In: 48th Asilomar Conference on Signals, Systems and Computers, 2014 : 2 - 5 Nov. 2014, Pacific Grove, California.. - Piscataway, NJ : IEEE, ISBN 978-1-4799-8298-1, (2014), S. 1220-1224
http://dx.doi.org/10.1109/ACSSC.2014.7094653
On the sensing matrix performance for support recovery of noisy sparse signals. - In: IEEE Global Conference on Signal and Information Processing (GlobalSIP), 2014 : 3 - 5 Dec. 2014, Atlanta, GA, USA ; [including workshop papers].. - Piscataway, NJ : IEEE, ISBN 978-1-4799-7089-6, (2014), S. 679-683
http://dx.doi.org/10.1109/GlobalSIP.2014.7032204
An empirical eigenvalue-threshold test for sparsity level estimation from compressed measurements. - In: Proceedings of the 22nd European Signal Processing Conference (EUSIPCO), 2014 : 1 - 5 Sept. 2014, Lisbon, Portugal.. - Piscataway, NJ : IEEE, ISBN 978-1-4799-4603-7, (2014), S. 1761-1765
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Accuracy of an OTA system emulating a realistic 3D environment for GNSS and multi-satellite receiver testing. - In: 2014 IEEE 8th Sensor Array and Multichannel Signal Processing Workshop (SAM) : 22 - 25 June 2014, A Coruña, Spain.. - Piscataway, NJ : IEEE, ISBN 978-1-4799-1481-4, (2014), S. 113-116
http://dx.doi.org/10.1109/SAM.2014.6882353
Virtual electromagnetic environment for over-the-air testing of car-to-car and car-to-infrastructure communication. - In: XXXIth URSI general assembly and scientific symposium (URSI GASS), 2014 : 16 - 23 Aug. 2014, Beijing, China.. - Piscataway, NJ : IEEE, ISBN 978-1-4673-5225-3, (2014), insges. 4 S.
http://dx.doi.org/10.1109/URSIGASS.2014.6929561
On arranging dual-polarised antennas in 3D wave field synthesis. - In: 8th European Conference on Antennas and Propagation (EuCAP), 2014 : The Hague, Netherlands, 6 - 11 April 2014.. - Piscataway, NJ : IEEE, ISBN 978-1-4799-2431-8, (2014), S. 3406-3410
http://dx.doi.org/10.1109/EuCAP.2014.6902560
3D wave-field synthesis for testing of radio devices. - In: 8th European Conference on Antennas and Propagation (EuCAP), 2014 : The Hague, Netherlands, 6 - 11 April 2014.. - Piscataway, NJ : IEEE, ISBN 978-1-4799-2431-8, (2014), S. 3394-3398
http://dx.doi.org/10.1109/EuCAP.2014.6902557
Diversity combining for cooperative satellite terminals in a moving convoy of vehicles. - In: 8th European Conference on Antennas and Propagation (EuCAP), 2014 : The Hague, Netherlands, 6 - 11 April 2014.. - Piscataway, NJ : IEEE, ISBN 978-1-4799-2431-8, (2014), S. 3035-3039
http://dx.doi.org/10.1109/EuCAP.2014.6902467
Impact of driving direction on Land Mobile Satellite channel modeling. - In: 8th European Conference on Antennas and Propagation (EuCAP), 2014 : The Hague, Netherlands, 6 - 11 April 2014.. - Piscataway, NJ : IEEE, ISBN 978-1-4799-2431-8, (2014), S. 2268-2271
http://dx.doi.org/10.1109/EuCAP.2014.6902266
R-dimensional ESPRIT-type algorithms for strictly second-order non-circular sources and their performance analysis. - In: IEEE transactions on signal processing : SP ; a publication of the IEEE Signal Processing Society.. - New York, NY : IEEE, Bd. 62 (2014), 18, S. 4824-4838
http://dx.doi.org/10.1109/TSP.2014.2342673
Tensor-based algorithms for learning multidimensional separable dictionaries. - In: IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), 2014 : 4 - 9 May 2014, Florence, Italy.. - Piscataway, NJ : IEEE, ISBN 978-1-4799-2894-1, (2014), S. 2963-2967
http://dx.doi.org/10.1109/ICASSP.2014.6854345
On the estimation of grid offsets in CS-based direction-of-arrival estimation. - In: IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), 2014 : 4 - 9 May 2014, Florence, Italy.. - Piscataway, NJ : IEEE, ISBN 978-1-4799-2894-1, (2014), S. 6776-6780
http://dx.doi.org/10.1109/ICASSP.2014.6854912
Analytical performance assessment of multi-dimensional matrix- and tensor-based ESPRIT-type algorithms. - In: IEEE transactions on signal processing : SP ; a publication of the IEEE Signal Processing Society.. - New York, NY : IEEE, Bd. 62 (2014), 10, S. 2611-2625
http://dx.doi.org/10.1109/TSP.2014.2313530
Multi-directional Over The Air testbed for robustness testing of GNSS receivers against Jammers and Spoofers. - In: 31st AIAA International Communications Satellite Systems Conference (ICSSC-2013). - Red Hook, NY : Curran, ISBN 978-1-62993-432-7, (2013), S. 114-128
Performance comparison of antenna de-pointing estimation methods for SOTM terminal testing. - In: 31st AIAA International Communications Satellite Systems Conference (ICSSC-2013). - Red Hook, NY : Curran, ISBN 978-1-62993-432-7, (2013), S. 639-649
On-earth performance evaluation of SatCom On-The-Move (SOTM) terminals. - In: 2013 IEEE Military Communications Conference : MILCOM 2013 ; 18 - 20 Nov. 2013, San Diego, California ; proceedings.. - Piscataway, NJ : IEEE, ISBN 978-1-4799-4899-4, (2013), S. 634-640
http://dx.doi.org/10.1109/MILCOM.2013.114
Parametric spatial audio reproduction with higher-order B-format microphone input. - In: 134th Audio Engineering Society convention 2013. - Red Hook, NY : Curran, ISBN 978-1-62748-571-5, (2013), S. 830-839
A robust audio watermarking system for acoustic channels. - In: Journal of the Audio Engineering Society. - New York, NY : AES, ISSN 1549-4950, Bd. 61 (2013), 11, S. 878-888
Satcom on the move (SOTM) terminals evaluation under realistic conditions. - In: IEEE 77th Vehicular Technology Conference (VTC Spring), 2013 : 2 - 5 June 2013, Dresden, Germany ; proceedings ; [including workshops].. - Piscataway, NJ : IEEE, ISBN 978-1-4673-6336-5, (2013), insges. 5 S.
http://dx.doi.org/10.1109/VTCSpring.2013.6692740
Measurement-based performance analysis of cooperative diversity for satellite terminals in a moving convoy. - In: IEEE 77th Vehicular Technology Conference (VTC Spring), 2013 : 2 - 5 June 2013, Dresden, Germany ; proceedings ; [including workshops].. - Piscataway, NJ : IEEE, ISBN 978-1-4673-6336-5, (2013), insges. 5 S.
In this paper we discuss the impact of cooperative satellite diversity on the availability of the land mobile satellite (LMS) channel. By the use of multiple terminals the overall probability to encounter conditions where all terminals are in a bad channel state is reduced. This reduction depends on the number of terminals and the terminal distance. The results presented in this paper are completely based on the analysis of measurements. These were conducted for two geostationary satellites and four different environments using a single mobile satellite terminal. Thus, in order to virtually increase the number of terminals we rely on a convoy scenario using shifted versions of the data. Analyzing up to four cooperative terminals and different terminal distances a significant bad state reduction is already achieved for rather small distances.
http://dx.doi.org/10.1109/VTCSpring.2013.6692630
Over-the-air testing of cognitive radio nodes in a virtual electromagnetic environment. - In: International journal of antennas and propagation : IJAP.. - New York, NY : Hindawi, ISSN 1687-5877, Bd. 2013 (2013), Article ID 945283, insges. 16 S.
http://dx.doi.org/10.1155/2013/945283
Over-the-air testing of Car-to-Car and Car-to-Infrastructure communication in a virtual electromagnetic environment. - In: IECON 2013 : 39th annual conference of the IEEE Industrial Electronics Societ ; 10 - 13 Nov. 2013, Vienna, Austria ; proceedings.. - Piscataway, NJ : IEEE, ISBN 978-1-4799-0224-8, (2013), S. 6897-6902
http://dx.doi.org/10.1109/IECON.2013.6700275
Performance analysis of channel model simplifications for MIMO OTA LTE UE testing. - In: 7th European Conference on Antennas and Propagation (EuCAP), 2013 : 8 - 12 April 2013, Gothenburg, Sweden.. - Piscataway, NJ : IEEE, ISBN 978-1-4673-2187-7, (2013), S. 1856-1860
http://ieeexplore.ieee.org/xpl/articleDetails.jsp?arnumber=6546610
High time-resolution spectrum occupancy model for testing of cognitive radio devices. - In: IEEE 24th International Symposium on Personal, Indoor, and Mobile Radio Communications (PIMRC), 2013 : 8 - 11 Sept. 2013, London, United Kingdom.. - Piscataway, NJ : IEEE, ISBN 978-1-4673-6233-7, (2013), S. 596-600
http://dx.doi.org/10.1109/PIMRC.2013.6666206
Influence of driving direction on land mobile satellite channels. - In: IEEE International Symposium on Broadband Multimedia Systems and Broadcasting (BMSB), 2013 : 5 - 7 June 2013, London.. - Piscataway, NJ : IEEE, ISBN 978-1-4673-6047-0, (2013), insges. 5 S.
http://dx.doi.org/10.1109/BMSB.2013.6621686
Realistic emulation of the operational environment for SatCom On-The-Move (SOTM) terminals. - In: IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications (APWC), 2013 : 9 - 13 Sept. 2013, Torino, Italy.. - Piscataway, NJ : IEEE, ISBN 978-1-4799-2658-9, (2013), S. 1115-1118
http://dx.doi.org/10.1109/APWC.2013.6624928
State modeling of the land mobile satellite channel by an image-based approach. - In: 7th European Conference on Antennas and Propagation (EuCAP), 2013 : 8 - 12 April 2013, Gothenburg, Sweden.. - Piscataway, NJ : IEEE, ISBN 978-1-4673-2187-7, (2013), S. 672-676
http://ieeexplore.ieee.org/xpl/articleDetails.jsp?tp=&arnumber=6546359
Directional analysis with microphone array mounted on rigid cylinder for directional audio coding. - In: Journal of the Audio Engineering Society. - New York, NY : AES, ISSN 1549-4950, Bd. 60 (2012), 5, S. 311-324
Impact of the receive antenna arrays on spatio-temporal availability in satellite-to-indoor broadcasting. - In: IEEE transactions on broadcasting : a publication of the IEEE Broadcast Technology Society.. - New York, NY : IEEE, ISSN 1557-9611, Bd. 56 (2010), 2, S. 171-183
http://dx.doi.org/10.1109/TBC.2010.2046432
A novel environment characterization metric for clustered MIMO channels : used to validate a SAGE parameter estimator. - In: Wireless personal communications : an international journal.. - Dordrecht [u.a.] : Springer Science + Business Media B.V, ISSN 1572-834X, Bd. 46 (2008), 1, S. 83-98
http://dx.doi.org/10.1007/s11277-007-9357-1
Higher-order SVD-based subspace estimation to improve the parameter estimation accuracy in multidimensional harmonic retrieval problems. - In: IEEE transactions on signal processing : SP ; a publication of the IEEE Signal Processing Society.. - New York, NY : IEEE, Bd. 56.2008, 7, Pt. 2, S. 3198-3213
http://dx.doi.org/10.1109/TSP.2008.917929
Channel representative interference cancellation (CRIC) for MIMO multi-hop systems in the Manhattan scenario. - In: IEEE International Conference on Acoustics, Speech and Signal Processing, 2008 : ICASSP ; Las Vegas, NV, March 31, 2008 - April 4, 2008.. - Piscataway, NJ : IEEE Service Center, ISBN 978-1-4244-1483-3, (2008), S. 1613-1616
http://dx.doi.org/10.1109/ICASSP.2008.4517934
Tensor-based framework for the prediction of frequency-selective time-variant MIMO channels. - In: International ITG Workshop on Smart Antennas, 2008 : WSA 2008 ; [Darmstadt, Germany, 23 - 27 February, 2008].. - Piscataway, NJ : IEEE, ISBN 978-1-4244-1757-5, (2008), S. 147-152
http://dx.doi.org/10.1109/WSA.2008.4475550
Quality of service oriented spatial processing in the Manhattan grid. - In: International ITG Workshop on Smart Antennas, 2008 : WSA 2008 ; [Darmstadt, Germany, 23 - 27 February, 2008].. - Piscataway, NJ : IEEE, ISBN 978-1-4244-1757-5, (2008), S. 362-369
http://dx.doi.org/10.1109/WSA.2008.4475583
Receive antenna impact on spatio-temporal availability in satellite-to-indoor broadcasting. - In: International ITG Workshop on Smart Antennas, 2008 : WSA 2008 ; [Darmstadt, Germany, 23 - 27 February, 2008].. - Piscataway, NJ : IEEE, ISBN 978-1-4244-1757-5, (2008), S. 48-54
http://dx.doi.org/10.1109/WSA.2008.4475536
Holographische Modalanalyse mit skalierbarem Kugelarray. - In: Fortschritte der Akustik. - Berlin : Dt. Ges. für Akustik, ISBN 978-3-9808659-3-7, (2007), S. 885-886
Geometry-based channel modelling for multi-user MIMO systems and applications. - Ilmenau : ISLE, 2007. - Online-Ressource (PDF-Datei: XIX, 274 S., 13,96 MB). . - (Research reports from the Communications Reseach Laboratory at Ilmenau University of Technology) Ilmenau : Techn. Univ., Diss., 2007
Im Rahmen dieser Dissertation wird die Kanalmodellierung von zeitvarianten, frequenzselektiven Mehrnutzer Multiple Input Multiple Output (MIMO) Kanälen für die Funkübertragung behandelt. Durch eine Erweiterung der Bello Funktionen mit Hilfe von Tensoren wird die multidimensionale Dispersion des Funkkanals dargestellt. Es werden einige der wichtigsten Ansätze zur Kanalmodellierung vorgestellt und klassifiziert. Für geometrische Kanalmodelle ist es entscheidend die Richtcharakteristika der Antennen im Fernfeld genau und effizient zu beschreiben. Zu diesem Zweck wird ein neues Beschreibungsverfahren entwickelt, das auf der Discrete Vector Spherical Fourier Transform (DVSFT) basiert. Dadurch ist es möglich, eine höhere Genauigkeit bei der Beschreibung von komplexen Vektorfunktionen auf der Kugel zu erreichen. Die vorgeschlagene Methode führt zu neuen Anwendungsmöglichkeiten. Der Schwerpunkt dieser Dissertation ist IlmProp: ein Geometrie-basiertes Framework zur Kanalmodellierung. Es füllt die Lücke zwischen konventionellen direktionalen Kanalmodellen und so genannten "Ray-Tracer"Kanalmodellen. IlmProp ermöglicht es gleichzeitig mehrere Nutzer in der selben Umgebung zu simulieren. Mehrwege-Komponenten werden an Hand von punktförmigen Wechselwirkungsobjekten, so genannten Interacting Objects (IOs), modelliert. Dadurch wird die zeitliche Variation der Korrelation in Zeit, Frequenz, Raum und zwischen den Nutzern realitätsnah modelliert. Die Parameter des IlmProp Kanalmodells können willkürlich gesetzt oder aus hochauflösenden Parameterschatzverfahren gewonnen werden. Im ersten Fall kann IlmProp dazu genutzt werden, verschiedene Sende, Empfangs und SchedulingAlgorithmen zu testen. Um aus hochauflosenden Parameterschatzungen die IlmPropParameter zu gewinnen, wurde ein neuartiger Algorithmus entwickelt, der die IOs aus Einfalls- und Austritts-winkel und der Ausbreitungszeit lokalisiert.Dies macht IlmProp zu einem leistungsfähigen Visualisierungswerkzeug, um Kanalmessungen zu validieren und um die Ausbreitungsbedingung des Szenarios zu untersuchen. Im weiteren Verlauf der Arbeit wird das so genannte Measurement-Based Parametric Channel Model (MBPCM), verbessert. Es ermöglicht durch eine antennenunabhängige, doppelt-direktionale Kanalbeschreibung, aus vorhandenen Kanalmessungen zusätzliche realitätsnahe, synthetische Kanalrealisierungen zu erzeugen.
http://www.db-thueringen.de/servlets/DocumentServlet?id=11002
Enhanced model order estimation using higher-order arrays. - In: Conference record of the Forty-First Asilomar Conference on Signals, Systems and Computers, 2007 : ACSSC 2007 ; November 4 - 7, 2007, Pacific Grove, California.. - Piscataway, NJ : IEEE Service Center, ISBN 978-1-4244-2109-1, (2007), S. 412-416
http://dx.doi.org/10.1109/ACSSC.2007.4487242
Spatio-temporal availability in satellite-to-indoor broadcasting. - In: European Conference on Wireless Technologies, 2007 : ECWT 2007 ; 8 - 12 Oct. 2007, Munich, Germany ; [part of] European Microwave Week 2007, EuMW 2007.. - Piscataway, NJ : IEEE Service Center, ISBN 978-2-87487-003-3, (2007), S. 162-165
http://dx.doi.org/10.1109/ECWT.2007.4403971
Low-complexity space-time-frequency scheduling for MIMO systems with SDMA. - In: IEEE transactions on vehicular technology : a publication of the IEEE Vehicular Technology Society.. - New York, NY : IEEE, ISSN 1939-9359, Bd. 56 (2007), 5, S. 2775-2784
http://dx.doi.org/10.1109/TVT.2007.898382
Holographic sound field analysis with a scalable spherical microphone-array. - In: . - New York, NY : Audio Engineering Soc., (2007), S. 630-636
MIMO capability of a miniaturised antenna array with a decoupling and matching network. - In: International ITG/IEEE Workshop on Smart Antennas. - [Wien] : [Forschungszentrum Telekommunikation Wien], (2007), insges. 6 S.
Deterministic Cramér-Rao bounds for strict sense non-circular sources. - In: International ITG/IEEE Workshop on Smart Antennas. - [Wien] : [Forschungszentrum Telekommunikation Wien], (2007), insges. 5 S.
A correlation tensor based model for time variant frequency selective MIMO channels. - In: International ITG/IEEE Workshop on Smart Antennas. - [Wien] : [Forschungszentrum Telekommunikation Wien], (2007), insges. 7 S.
Spatial localization of scattering objects from high-resolution parameter estimates. - In: NEWCOM - ACoRN Joint Workshop 2006. - Wien, (2006), insges. 5 S.
A novel environment characterisation metric for clustered MIMO channels used to validate a SAGE parameter estimator. - In: 15th IST Mobile and Wireless Summit, Myconos, Greece, 4 - 8 June 2006. - Athens, (2006), insges. 5 S.
Higher order SVD based subspace estimation to improve multi-dimensional parameter estimation algorithms. - In: Fortieth Asilomar Conference on Signals, Systems and Computers, 2006 : ACSSC '06 ; Oct. 29, 2006 - Nov. 1, 2006, Pacific Grove, California.. - Piscataway, NJ : IEEE, (2006), S. 961-965
http://dx.doi.org/10.1109/ACSSC.2006.354894
Estimation of reflection coefficients for the IlmProp channel modeling environment using path loss models. - In: Information technology and electrical engineering - devices and systems, materials and technologies for the future : 51. IWK, Internationales Wissenschaftliches Kolloquium ; proceedings ; 11 - 15 September 2006., (2006), insges. 10 S.
http://www.db-thueringen.de/servlets/DocumentServlet?id=13112
Low complexity spatial scheduling ProSched for MIMO systems with multiple base stations and a central controller. - In: WSA 2006. - [Ulm] : ITUU, (2006), insges. 8 S.
Cluster spatial localization from high-resolution parameter estimation. - In: WSA 2006. - [Ulm] : ITUU, (2006), insges. 4 S.
A novel automatic cluster tracking algorithm. - In: IEEE 17th International Symposium on Personal, Indoor and Mobile Radio Communications, 2006 : Sept., 2006, [Helsinki, Finland].. - Piscataway, NJ : IEEE Operations Center, (2006), insges. 5 S.
http://dx.doi.org/10.1109/PIMRC.2006.254347
Subspace-based framework for the prediction of MIMO OFDM channels. - In: Proceedings. - Hamburg, (2006), insges. 5 S.
Modelling and manipulation of polarimetric antenna beam patterns via spherical harmonics. - In: EUSIPCO 2006. - Florence, (2006), insges. 5 S.
Spatial availability in satellite-to-indoor broadcasting communications. - In: 7th Workshop Digital Broadcasting. - [Stuttgart] : [Fraunhofer-IRB-Verl.], ISBN 978-3-8167-7179-1, (2006), S. 113-118
Efficient multi-user MIMO downlink precoding and scheduling. - In: 1st IEEE International Workshop on Computational Advances in Multi-Sensor Adaptive Processing, 2005 : 13 - 15 Dec. 2005, [Fiestamericana Hotel, Puerto Vallarta, Mexico].. - Piscataway, NJ : IEEE Operations Center, (2005), S. 237-240
http://dx.doi.org/10.1109/CAMAP.2005.1574228
An interim channel model for beyond-3G systems : extending the 3GPP spatial channel model (SCM). - In: . - Piscataway, NJ : IEEE Operations Center, (2005), S. 3132-3136
MATLAB implementation of the 3GPP spatial channel model : (3GPP TR 25.996). - In: 12th COST 273 MC Meeting. - [Bologna], 2005, TD(05)030, insges. 18 S.
Performance evaluation of ultra-wide band compared to wireless infrared communications. - In: Conference proceedings. - London : Horizon House Publ., (2005), S. 193-196
A novel tree-based scheduling algorithm for the downlink of multi-user MIMO systems with ZF beamforming. - In: Audio and electroacoustics. Signal processing for communications. - Piscataway, NJ : IEEE Operations Center, (2005), S. 1121-1124
Efficient channel modelling for frequency selective MIMO channels. - In: ITG Workshop on Smart Antennas, 2004 : March 18 - 19, 2004, [Munich University of Technology, Germany ; proceedings].. - Piscataway, NJ : IEEE Operations Center, (2004), S. 189-193
http://dx.doi.org/10.1109/WSA.2004.1407667
Geometry-based channel modelling of MIMO channels in comparison with channel sounder measurements. - In: Advances in radio science : Kleinheubacher Berichte.. - Göttingen : Copernicus Publications, ISSN 1684-9973, Bd. 2 (2004), S. 117-126
http://dx.doi.org/10.5194/ars-2-117-2004
Increasing the throughput in multi-hop wireless networks by using spatial multiplexing. - In: . - Piscataway, NJ : IEEE Operations Center, (2004), S. 2627-2631
Comparison of zero-forcing methods for downlink spatial multiplexing in realistic multi-user MIMO channels. - In: . - Piscataway, NJ : IEEE Operations Center, (2004), S. 299-303
A subspace-based channel model for frequency selective time variant MIMO channels. - In: . - Piscataway, NJ : IEEE Operations Center, (2004), S. 1603-1607
Efficient antenna description for MIMO channel modelling and estimation. - In: Wireless technologies 2004. - London : Horizon House Publ., (2004), S. 217-220
Analysis of MIMO channel measurements. - In: IFAC Proceedings Volumes. - Amsterdam : Elsevier, ISSN 1474-6670, Bd. 36 (2003), 16, S. 85-89
https://doi.org/10.1016/S1474-6670(17)34743-2
Advanced geometry-based modeling for MIMO scenarios in comparison with real measurements. - In: Proceedings and our portrait. - Ilmenau : Technische Univ., (2003), insges. 9 S.
Realistic MIMO simulations based on multidimensional channel-sounding measurements. - In: XXVIIth general assembly. - Maastricht