A channel model for wireless infrared communication. - Volker Pohl; Volker Jungnickel; Clemens Von Helmolt (PIMRC, 2000)

Performance of a MIMO system with overlay pilots. - Volker Jungnickel; Thomas Haustein; Eduard A. Jorswieck; Volker Pohl; Clemens Von Helmolt (GLOBECOM, 2001)

Bit error rates for a MIMO system in Rayleigh and Rician channels. - Thomas Haustein; Eduard A. Jorswieck; Volker Jungnickel; Udo Krueger; Volker Pohl; Clemens Von Helmolt (VTC Fall, 2001)

Zero forcing equalizing filter for MIMO channels with intersymbol interference. - Volker Pohl; Volker Jungnickel; Eduard A. Jorswieck; Clemens Von Helmolt (PIMRC, 2002)

Performance of MIMO systems with channel inversion. - Thomas Haustein; Clemens Von Helmolt; Eduard A. Jorswieck; Volker Jungnickel; Volker Pohl (VTC Spring, 2002)

On the performance of signal detection algorithms in flat-fading and frequency-selective MIMO channels. - Eduard A. Jorswieck; Volker Jungnickel; Thomas Haustein; Volker Pohl; Clemens Von Helmolt (VTC Spring, 2002)

Antenna spacing in MIMO indoor channels. - Volker Pohl; Volker Jungnickel; Thomas Haustein; Clemens Von Helmolt (VTC Spring, 2002)

A physical model of the wireless infrared communication channel. - Volker Jungnickel; Volker Pohl; Stephan Nönnig; Clemens Von Helmolt (IEEE J. Sel. Areas Commun., 2002)

How often channel estimation is needed in MIMO systems. - Volker Pohl; Phuc H. Nguyen; Volker Jungnickel; Clemens Von Helmolt (GLOBECOM, 2003)

Limits of the achievable symbol rate in flat fading MIMO systems. - Volker Pohl; Phuc H. Nguyen; Volker Jungnickel; Clemens Von Helmolt (PIMRC, 2003)

Capacity of MIMO systems with closely spaced antennas. - Volker Jungnickel; Volker Pohl; Clemens Von Helmolt (IEEE Commun. Lett., 2003)

Electronic tracking for wireless infrared communications. - Volker Jungnickel; Andreas Forck; Thomas Haustein; Udo Krüger; Volker Pohl; Clemens Von Helmolt (IEEE Trans. Wirel. Commun., 2003)

Optimal length of the training and data phase in continuous flat fading MIMO channels. - Volker Pohl; Volker Jungnickel; Clemens Von Helmolt (ICC, 2004)

Performance of MIMO Rake receivers in WCDMA systems. - Volker Jungnickel; Yun-Shen Chang; Volker Pohl (WCNC, 2004)

Continuity of the Outer Factorization and Mapping Properties with Applications. - Holger Boche; Volker Pohl (CDC/ECC, 2005)

Spectral factorization, whitening- and estimation filter - stability, smoothness properties and FIR approximation behavior. - Holger Boche; Volker Pohl (ISIT, 2005)

General Structure of the Causal and Stable Inverses of MIMO Systems with ISI. - Holger Boche; Volker Pohl (PIMRC, 2005)

The algebraic structure of frequency-selective MIMO channels. - Volker Pohl; Volker Jungnickel; Clemens Von Helmolt (IEEE Trans. Signal Process., 2005)

Characterization of the behavior of outer functions with applications to spectral factorization and system design. - Holger Boche; Volker Pohl (ACC, 2006)

Necessary and Sufficient Condition for the Continuity of all Causal Projections with Applications. - Holger Boche; Volker Pohl (CDC, 2006)

MIMO-ISI channel equalization - Which price we have to pay for causality. - Holger Boche; Volker Pohl (EUSIPCO, 2006)

There exists no always convergent algorithm for the calculation of spectral factorization, Wiener filter, and Hilbert transform. - Holger Boche; Volker Pohl (ISIT, 2006)

MIMO - ISI channels: inner-outer factorization and applications to equalization. - Holger Boche; Volker Pohl (IWCMC, 2006)

On the behavior of disk algebra bases with applications. - Holger Boche; Volker Pohl (Signal Process., 2006)

Structural Properties of the Wiener Filter - Stability, Smoothness Properties, and FIR Approximation Behavior. - Holger Boche; Volker Pohl (IEEE Trans. Inf. Theory, 2006)

On the boundedness behavior of the spectral factorization in the Wiener algebra for FIR data. - Holger Boche; Volker Pohl (EUSIPCO, 2007)

There is No Free Lunch with Causal Approximations. - Holger Boche; Volker Pohl (ICASSP (3), 2007)

Approximation and Convergence Behavior of Spectral Factorization Methods. - Holger Boche; Volker Pohl (ISIT, 2007)

Signal representation and approximation-fundamental limits. - Holger Boche; Volker Pohl (Eur. Trans. Telecommun., 2007)

Behaviour of the spectral factorization for continuous spectral densities. - Holger Boche; Volker Pohl (Signal Process., 2007)

On the behavior of causal projections with applications. - Holger Boche; Volker Pohl (Signal Process., 2007)

Spectral Factorization for Polynomial Spectral Densities - Impact of Dimension. - Holger Boche; Volker Pohl (IEEE Trans. Inf. Theory, 2007)

Optimum Zero-Forcing Precoder for Single-Carrier MIMO Systems - Sander Wahls; Holger Boche; Volker Pohl (CoRR, 2008)

On the Boundedness of the Spectral Factorization Mapping on Decomposing Banach Algebras. - Holger Boche; Volker Pohl (SIAM J. Control. Optim., 2008)

The Stability and Continuity Behavior of the Spectral Factorization in the Wiener Algebra With Applications in Wiener Filtering. - Holger Boche; Volker Pohl (IEEE Trans. Circuits Syst. I Regul. Pap., 2008)

On the Calculation of the Hilbert Transform From Interpolated Data. - Holger Boche; Volker Pohl (IEEE Trans. Inf. Theory, 2008)

Robustness of the Inner-Outer Factorization and of the Spectral Factorization for FIR Data. - Holger Boche; Volker Pohl (IEEE Trans. Signal Process., 2008)

Boundedness Behavior of the Spectral Factorization for Polynomial Data in the Wiener Algebra. - Holger Boche; Volker Pohl (IEEE Trans. Signal Process., 2008)

Zero-forcing precoding for frequency selective MIMO channels with H∞ criterion and causality constraint. - Sander Wahls; Holger Boche; Volker Pohl (Signal Process., 2009)

Rate of convergence in approximating the spectral factor of regular stochastic sequences. - Holger Boche; Volker Pohl (IEEE Trans. Inf. Theory, 2009)

Advanced Topics in System and Signal Theory - A Mathematical Approach. - Volker Pohl; Holger Boche (Springer, 2010)

Recovering signals from lowpass data. - Yonina C. Eldar; Volker Pohl (IEEE Trans. Signal Process., 2010)

Causal signal recovery from U-invariant samples. - Tomer Michaeli; Yonina C. Eldar; Volker Pohl (ICASSP, 2011)

Signal recovery in shift-invariant spaces from partial frequency data. - Volker Pohl; Yonina C. Eldar (ICASSP, 2011)

Spectrum sensing for cognitive radio architectures based on sub-Nyquist sampling schemes. - Volker Pohl; Fiky Yosep Suratman; Abdelhak M. Zoubir; Holger Boche (WSA, 2011)

On Causal Estimation From Bandlimited Stationary Sequences. - Volker Pohl (IEEE Trans. Inf. Theory, 2011)

U-Invariant Sampling: Extrapolation and Causal Interpolation From Generalized Samples. - Tomer Michaeli; Volker Pohl; Yonina C. Eldar (IEEE Trans. Signal Process., 2011)

Causal reconstruction kernels for consistent signal recovery. - Volker Pohl; Fanny Yang; Holger Boche (EUSIPCO, 2012)

U-invariant sampling and stable reconstruction in atomic spaces. - Volker Pohl; Holger Boche (ICASSP, 2012)

U-Invariant Sampling and Reconstruction in Atomic Spaces With Multiple Generators. - Volker Pohl; Holger Boche (IEEE Trans. Signal Process., 2012)

Sampling and reconstruction in sparse atomic spaces. - Volker Pohl; Ezra Tampubolon; Holger Boche (ICASSP, 2013)

Phase retrieval from low rate samples. - Volker Pohl; Fanny Yang; Holger Boche (CoRR, 2013)

Phase Retrieval via Structured Modulations in Paley-Wiener Spaces - Fanny Yang; Volker Pohl; Holger Boche (CoRR, 2013)

Phaseless Signal Recovery in Infinite Dimensional Spaces using Structured Modulations - Volker Pohl; Fanny Yang; Holger Boche (CoRR, 2013)

A phase retrieval method for signals in modulation-invariant spaces. - Volker Pohl; Çagkan Yapar; Holger Boche; Fanny Yang (ICASSP, 2014)

System Approximations and Generalized Measurements in Modern Sampling Theory. - Holger Boche; Volker Pohl (CoRR, 2014)

Fast compressive phase retrieval from Fourier measurements. - Çagkan Yapar; Volker Pohl; Holger Boche (ICASSP, 2015)

Compressive phase retrieval of sparse bandlimited signals. - Çagkan Yapar; Volker Pohl; Holger Boche (CoRR, 2015)

The divergence behavior of adaptive signal processing algorithms with finite search horizon. - Holger Boche; Volker Pohl (ICASSP, 2016)

On the strong divergence of Hilbert transform approximations and a problem of Ul'yanov. - Holger Boche; Volker Pohl (J. Approx. Theory, 2016)

Peak value blowup of approximations of the Hilbert transform of signals with finite energy. - Holger Boche; Volker Pohl (ACC, 2017)

Characterization of the stability range of the Hilbert transform with applications to spectral factorization. - Holger Boche; Volker Pohl (ISIT, 2017)

On the Computability of System Approximations Under Causality Constraints. - Holger Boche; Volker Pohl (ICASSP, 2018)

On Compressive Sensing of Sparse Covariance Matrices Using Deterministic Sensing Matrices. - Alihan Kaplan; Volker Pohl; Dae Gwan Lee (ICASSP, 2018)

Permissible Support Patterns for Identifying the Spreading Function of Time-Varying Channels. - Dae Gwan Lee; Alihan Kaplan; Volker Pohl (ICASSP, 2018)

Identification of Multiple-Input Multiple-Output Channels Under Linear Side Constraints. - Dae Gwan Lee; Götz E. Pfander; Volker Pohl; Weiqi Zhou (ICASSP, 2018)

On the Approximability of the Hilbert Transform. - Holger Boche; Volker Pohl (ISIT, 2018)

The Statistical Restricted Isometry Property For Gabor Systems. - Alihan Kaplan; Volker Pohl; Dae Gwan Lee (SSP, 2018)

The Divergence of all Sampling-based Methods for Calculating the Spectral Factorization. - Holger Boche; Volker Pohl (CDC, 2019)

Energy Blowup of Sampling-based Approximation Methods. - Holger Boche; Volker Pohl (ICASSP, 2019)

On the Algorithmic Solvability of the Spectral Factorization and the Calculation of the Wiener Filter on Turing Machines. - Holger Boche; Volker Pohl (ISIT, 2019)

A new family of low coherence finite Gabor frames and applications in compressive sampling. - Alihan Kaplan; Volker Pohl; Holger Boche (SPAWC, 2019)

Calculating the Hilbert Transform on Spaces With Energy Concentration: Convergence and Divergence Regions. - Holger Boche; Volker Pohl (IEEE Trans. Inf. Theory, 2019)

Sampling and Reconstruction of Multiple-Input Multiple-Output Channels. - Dae Gwan Lee; Götz E. Pfander; Volker Pohl (IEEE Trans. Signal Process., 2019)

Can every analog system be simulated on a digital computer? - Holger Boche; Volker Pohl (ICASSP, 2020)

Computing Hilbert Transform and Spectral Factorization for Signal Spaces of Smooth Functions. - Holger Boche; Volker Pohl (ICASSP, 2020)

Message Transmission ThroughUnderspread Time-Varying Linear Channels. - Alihan Kaplan; Dae Gwan Lee; Volker Pohl (ICASSP, 2020)

A Message Transmission Scheme for Linear Time-Varying Multipath Channels. - Alihan Kaplan; Volker Pohl; Dae Gwan Lee (SPAWC, 2020)

On approximations for functions in the space of uniformly convergent Fourier series. - Holger Boche; Volker Pohl (J. Approx. Theory, 2020)

Calculating the spectral factorization and outer functions by sampling-based approximations - Fundamental limitations. - Holger Boche; Volker Pohl (J. Approx. Theory, 2020)

Turing Meets Circuit Theory: Not Every Continuous-Time LTI System Can be Simulated on a Digital Computer. - Holger Boche; Volker Pohl (IEEE Trans. Circuits Syst., 2020)

On the Algorithmic Solvability of Spectral Factorization and Applications. - Holger Boche; Volker Pohl (IEEE Trans. Inf. Theory, 2020)

Complexity Blowup if Continuous-Time LTI Systems are Implemented on Digital Hardware. - Holger Boche; Volker Pohl (CDC, 2021)

Message Transmission Over Rapidly Time-Varying Channels. - Alihan Kaplan; Volker Pohl (ICASSP, 2021)

Complexity Blowup in Simulating Analog Linear Time-Invariant Systems on Digital Computers. - Holger Boche; Volker Pohl (IEEE Trans. Signal Process., 2021)

On Non-Detectability of Non-Computability and the Degree of Non-Computability of Solutions of Circuit and Wave Equations on Digital Computers. - Holger Boche; Volker Pohl (IEEE Trans. Inf. Theory, 2022)

Data Transmission Over Linear Time-Varying Channels. - Alihan Kaplan; Volker Pohl; Dae Gwan Lee (IEEE Trans. Signal Process., 2022)

The Wiener Theory of Causal Linear Prediction Is Not Effective. - Holger Boche; Volker Pohl; H. Vincent Poor (CDC, 2023)

On the Complexity of Computing the Minimum Mean Square Error of Causal Prediction. - Holger Boche; Volker Pohl; H. Vincent Poor (ACC, 2024)

Computing Orthogonal Projections Can Be Too Computational Expensive. - Holger Boche; Volker Pohl; H. Vincent Poor (CDC, 2024)

Characterization of the Complexity of Computing the Minimum Mean Square Error of Causal Prediction. - Holger Boche; Volker Pohl; H. Vincent Poor (IEEE Trans. Inf. Theory, 2024)

The Optimal Causal Linear Predictor is Not Turing Computable. - Holger Boche; Volker Pohl; H. Vincent Poor (Information Theory and Related Fields, 2025)

Iterative Optimization of Multidimensional Functions on Turing Machines under Performance Guarantees. - Holger Boche; Volker Pohl; H. Vincent Poor (CoRR, 2025)