Wilfried Gappmair

Publication Activity (10 Years)

Years Active: 1999-2024
Publications (10 Years): 25

Top Topics

Channel Estimation

High Throughput

Parameter Estimation

Top Venues

Int. J. Satell. Commun. Netw.

Publications

Erich Leitgeb, Maja Matijasevic, Wilfried Gappmair, Mario Kusek
Recent Trends and Advances in Telecommunications and Sensing. Sensors 24 (15) (2024)
Wilfried Gappmair
Novel Results on SNR Estimation for Bandlimited Optical Intensity Channels. Sensors 24 (1) (2024)
Wilfried Gappmair
Non-Data-Aided SNR Estimation for Bandlimited Optical Intensity Channels. Sensors 23 (2) (2023)
Wilfried Gappmair
Data-Aided SNR Estimation for Bandlimited Optical Intensity Channels. Sensors 22 (22) (2022)
Wilfried Gappmair
Satellite and space technology. Elektrotech. Informationstechnik 139 (1) (2022)
Panagiotis J. Gripeos, Hector E. Nistazakis, George K. Varotsos, Wilfried Gappmair, Andreas D. Tsigopoulos
3Time Jitter Influence on the Performance of PPM or PAM SIMO FSO Links over M-Turbulence Channels. ConTEL (2021)
Wilfried Gappmair, Hector E. Nistazakis
Blind Symbol Timing Estimation for Bandlimited Optical Intensity Channels. CSNDSP (2020)
Barbara Suesser-Rechberger, Wilfried Gappmair
Asymptotic CRLB for Blind Symbol Rate Estimation in Digital Satellite Receivers. CSNDSP (2020)
Harald Schlemmer, Johannes Ebert, Tobias Taenzer, Wilfried Gappmair
Some Notes on Phase Noise Generation and the Impact on DVB-S2x Waveforms. ConTEL (2019)
Wilfried Gappmair
On Parameter Estimation for Bandlimited Optical Intensity Channels. Comput. 7 (1) (2019)
George K. Varotsos, Hector E. Nistazakis, Wilfried Gappmair, Harilaos G. Sandalidis, George S. Tombras
SIMO subcarrier PSK FSO links with phase noise and non-zero boresight pointing errors over turbulence channels. IET Commun. 13 (7) (2019)
Wilfried Gappmair, Karin Plimon, Alberto Ginesi
Coarse recovery of carrier frequency and symbol timing in multibeam satellite channels. Int. J. Satell. Commun. Netw. 37 (1) (2019)
Karin Plimon, Johannes Ebert, Nemanja Stamenic, Harald Schlemmer, Marius Caus, Wilfried Gappmair, Martina Angelone, Alberto Ginesi
Multi-User Detection Performance Demonstrator for Realistic High Throughput Satellite Systems. CSNDSP (2018)
Barbara Suesser-Rechberger, Wilfried Gappmair
New Results on Symbol Rate Estimation in Digital Satellite Receivers. CSNDSP (2018)
Karin Plimon, Johannes Ebert, Wilfried Gappmair, Martina Angelone, Alberto Ginesi
Interference-Dependent Performance of Multi-User Detection in High Throughput Satellite Systems. CSNDSP (2018)
Wilfried Gappmair, Karin Plimon, Johannes Ebert, Michael Bergmann
Joint recovery of carrier frequency and symbol timing for extremely bandwidth-efficient satellite links. IET Commun. 12 (1) (2018)
Wilfried Gappmair, Alberto Ginesi
Cramer-Rao lower bound and parameter estimation for multibeam satellite links. Int. J. Satell. Commun. Netw. 35 (4) (2017)
Johannes Ebert, Harald Schlemmer, Eral Türkyilmaz, Juan Rivera-Castro, Stefano Cioni, Wilfried Gappmair
An efficient receiver architecture for burst reception at very low SNR. ConTEL (2017)
George K. Varotsos, Hector E. Nistazakis, George S. Tombras, Wilfried Gappmair
Average error performance in Subcarrier PSK FSO links over weak turbulence channels with spatial jitter and phase noise. MOCAST (2017)
Wilfried Gappmair, Harald Schlemmer, Alberto Ginesi
Joint synchronization of symbol timing and carrier frequency using the extended zero-crossing property. ASMS/SPSC (2016)
Wilfried Gappmair, Stefano Cioni, Giovanni Emanuele Corazza, Otto Koudelka
Jitter floor elimination for blind feedforward/feedback symbol-timing recovery exploiting the extended zero-crossing property. Int. J. Satell. Commun. Netw. 34 (5) (2016)
Wilfried Gappmair, Otto Koudelka
Modified CRLB and low-complex estimator for symbol timing recovery in direct-conversion receivers. CSNDSP (2016)
Barbara Suesser-Rechberger, Wilfried Gappmair, Alberto Ginesi
Performance of Walsh-Hadamard codes used for timing recovery in a DVB-S2x multibeam scenario. CSNDSP (2016)
Wilfried Gappmair, Michael Bergmann
Estimation of carrier and channel parameters in time-selective fading channels. IET Commun. 9 (12) (2015)
Roberto López-Valcarce, Javier Villares, Jaume Riba, Wilfried Gappmair, Carlos Mosquera
Cramér-Rao Bounds for SNR Estimation of Oversampled Linearly Modulated Signals. IEEE Trans. Signal Process. 63 (7) (2015)
Wilfried Gappmair, Otto Koudelka
Blind symbol timing recovery in the presence of IQ mismatch and DC offset. CSNDSP (2014)
Wilfried Gappmair, Stefano Cioni, Giovanni Emanuele Corazza, Otto Koudelka
A novel approach for symbol timing estimation based on the extended zero-crossing property. ASMS/SPSC (2014)
Wilfried Gappmair, Michael Bergmann, Barbara Suesser-Rechberger
New Results on Location-Aware Channel Estimation for Multibeam Satellite Links. IEEE Commun. Lett. 18 (8) (2014)
Michael Bergmann, Wilfried Gappmair, Otto Koudelka
Parameter estimation for link adaptation on land-mobile satellite links. CSNDSP (2014)
Wilfried Gappmair
Open-Loop Analysis of a Nonlinearly Modified Gardner Synchronizer. IEEE Commun. Lett. 18 (11) (2014)
Barbara Suesser-Rechberger, Michael Bergmann, Gerald Hoerack, Wilfried Gappmair
Robustness analysis of location-aware channel estimation on multibeam satellite links. CSNDSP (2014)
Johannes Ebert, Harald Schlemmer, Wilfried Gappmair
The code-aided FEPE algorithm for joint frequency and phase estimation at Low SNR. ASMS/SPSC (2012)
Wilfried Gappmair
Novel results on pulse-position modulation performance for terrestrial free-space optical links impaired by turbulent atmosphere and pointing errors. IET Commun. 6 (10) (2012)
Wilfried Gappmair, Otto Koudelka
CRLB and low-complex algorithm for joint estimation of carrier frequency/phase and IQ imbalance in direct-conversion receivers. CSNDSP (2012)
Wilfried Gappmair, Michael Bergmann, Otto Koudelka
Estimation of carrier and channel parameters for land-mobile satellite channels. ASMS/SPSC (2012)
Markus Flohberger, Wilfried Gappmair, Otto Koudelka
Blind Demodulation Framework for Satellite Signals. PSATS (2011)
Wilfried Gappmair
Further results on the capacity of free-space optical channels in turbulent atmosphere. IET Commun. 5 (9) (2011)
Michael Bergmann, Wilfried Gappmair, Carlos Mosquera, Otto Koudelka
Channel Estimation on the Forward Link of Multi-beam Satellite Systems. PSATS (2011)
Wilfried Gappmair, Steve Hranilovic, Erich Leitgeb
OOK Performance for Terrestrial FSO Links in Turbulent Atmosphere with Pointing Errors Modeled by Hoyt Distributions. IEEE Commun. Lett. 15 (8) (2011)
J. Arnau-Yanez, Michael Bergmann, Enzo Alberto Candreva, Giovanni Emanuele Corazza, Riccardo De Gaudenzi, D. Devillers, Wilfried Gappmair, Francesco Lombardo, Carlos Mosquera, Ana I. Pérez-Neira, Ilaria Thibault, Alessandro Vanelli-Coralli
Hybrid Space-Ground Processing for High-Capacity Multi-Beam Satellite Systems. GLOBECOM (2011)
Wilfried Gappmair
Comment on "An Exact Performance Analysis of MRC/OSTBC over Generalized Fading Channels". IEEE Trans. Commun. 59 (6) (2011)
Wilfried Gappmair, Roberto López-Valcarce, Carlos Mosquera
Joint NDA Estimation of Carrier Frequency/Phase and SNR for Linearly Modulated Signals. IEEE Signal Process. Lett. 17 (5) (2010)
Wilfried Gappmair, Steve Hranilovic, Erich Leitgeb
Performance of PPM on terrestrial FSO links with turbulence and pointing errors. IEEE Commun. Lett. 14 (5) (2010)
Wilfried Gappmair
Transmission Systems Open-loop analysis and self-noise performance of an NDA synchroniser for carrier-independent symbol timing recovery at baud rate. Eur. Trans. Telecommun. 21 (1) (2010)
Wilfried Gappmair, Stefano Cioni, Alessandro Vanelli-Coralli, Otto Koudelka
Transmission Systems Exact analysis of different detector algorithms for NDA carrier phase recovery of 16/32-APSK signals. Eur. Trans. Telecommun. 21 (2) (2010)
Wilfried Gappmair, Otto Koudelka
CRLB and ML algorithm for joint recovery of carrier phase and IQ imbalance. CSNDSP (2010)
Wilfried Gappmair, Roberto López-Valcarce, Carlos Mosquera
Cramer-Rao lower bound and EM algorithm for envelope-based SNR estimation of nonconstant modulus constellations. IEEE Trans. Commun. 57 (6) (2009)
Wilfried Gappmair, Markus Flohberger
Error performance of coded FSO links in turbulent atmosphere modeled by gamma-gamma distributions. IEEE Trans. Wirel. Commun. 8 (5) (2009)
Wilfried Gappmair
Cramer-Rao Lower Bound for Non-Data-Aided SNR Estimation of Linear Modulation Schemes. IEEE Trans. Commun. 56 (5) (2008)
Wilfried Gappmair, Markus Flohberger, Otto Koudelka
Transmission Systems Acquisition performance for NDA symbol-timing recovery with simple adaptive first-order loops. Eur. Trans. Telecommun. 17 (5) (2006)
Wilfried Gappmair, Stefano Cioni, Giovanni Emanuele Corazza, Otto Koudelka
Extended Gardner Detector for Improved Symbol-Timing Recovery of M-PSK Signals. IEEE Trans. Commun. 54 (11) (2006)
Wilfried Gappmair, Stefano Cioni, Giovanni Emanuele Corazza, Otto Koudelka
Symbol-Timing Recovery with Modified Gardner Detectors. ISWCS (2005)
Wilfried Gappmair
Information Theory Extended analysis of Viterbi-Viterbi synchronizers. Eur. Trans. Telecommun. 16 (2) (2005)
Wolfgang Kogler, Wilfried Gappmair, Otto Koudelka
Software-Radio Architecture for Preambleless Acquisition of Frame, Carrier and Timing in MF-TDMA Modems. ISWCS (2005)
Wilfried Gappmair
). Eur. Trans. Telecommun. 14 (2) (2003)
Wilfried Gappmair
Claude E. Shannon: the 50th anniversary of information theory. IEEE Commun. Mag. 37 (4) (1999)