Search Results - "Mathiopoulos, P. T."

Performance improvement techniques for the DVB-RCS2 return link air interface by Mathiopoulos, P. T., Candreva, E. A., Awoseyila, A. B., Dalakas, V., Tarchi, D., Evans, B. G., Vanelli-Coralli, A., Corazza, G. E.

“…Summary This paper presents performance improvement techniques for the second‐generation digital video broadcast return channel via satellite air interface,…”
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Diversity combining for coherent and differential M-PSK in fading and class-A impulsive noise by Schober, R., Ma, Y., Lampe, L., Mathiopoulos, P.T.

“…In this paper, optimum and suboptimum diversity combining schemes for coherent and differential M-ary phase-shift keying (M-PSK) transmission impaired by…”
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On the performance of iterative noncoherent detection of coded M-PSK signals by Marsland, I.D., Mathiopoulos, P.T.

“…Differential encoding is often used in conjunction with noncoherent demodulation to overcome carrier phase synchronization problems in communication systems…”
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A comparison study of the uplink performance of W-CDMA and OFDM for mobile multimedia communications via LEO satellites by Papathanassiou, A., Salkintzis, A.K., Mathiopoulos, P.T.

“…This article presents a comparison study of the uplink performance of two well-known transmission schemes, W-CDMA and OFDM, for mobile multimedia…”
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Performance Analysis and Improvement Methods for Channel Resource Management Strategies of LEO-MSS With Multiparty Traffic by Zhipeng Wang, Mathiopoulos, P.T., Schober, R.

“…A novel analytical framework for the accurate and efficient evaluation of the performance of channel resource management strategies for low Earth orbit mobile…”
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Optimal decoding of coded PSK and QAM signals in correlated fast fading channels and AWGN: a combined envelope, multiple differential and coherent detection approach by Makrakis, D., Mathiopoulos, P.T., Bouras, D.P.

“…The maximum likelihood sequence estimator for the reception of coded digital phase modulated signals with single or multiamplitude constellations, transmitted…”
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Performance analysis of dual selection diversity in correlated Weibull fading channels by Sagias, N.C., Karagiannidis, G.K., Zogas, D.A., Mathiopoulos, P.T., Tombras, G.S.

“…Ascertaining the importance of the dual selection combining (SC) receivers and the suitability of the Weibull model to describe mobile fading channels, we…”
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Fast simulation of diversity Nakagami fading channels using finite-state Markov models by Iskander, C.D., Mathiopoulos, P.T.

“…We designed a multi-channel Nakagami fading simulator by modeling the received combined signal-to-noise ratio as a finite-state Markov chain, following a…”
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Neural-net-based receiver structures for single- and multiamplitude bandlimited signals in CCI and ACI channels by Bouras, D.P., Mathiopoulos, P.T., Makrakis, D.

“…This paper presents analysis and performance-evaluation results for several neural-network-based nondecision-feedback receiver structures, which improve the…”
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On the performance analysis of dynamic channel allocation with FIFO handover queuing in LEO-MSS by Zhipeng Wang, Mathiopoulos, P.T.

“…The exact analysis of dynamic channel allocation (DCA) with first-in/first-out (FIFO) queuing of handover (QH) requests is highly complex, due to the dynamic…”
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Performance analysis of M-ary PPM TH-UWB systems in the presence of MUI and timing jitter by Kokkalis, N.V., Mathiopoulos, P.T., Karagiannidis, G.K., Koukourlis, C.S.

“…The symbol error probability (SEP) performance of time-hopping (TH) ultra-wideband (UWB) systems in the presence of multiuser interference (MUI) and timing…”
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On the combining of multipath signals in narrowband Rayleigh fading channels by Salkintzis, A.K., Mathiopoulos, P.T.

“…This paper deals with the process of constructive and destructive addition of multipath signals in a Rayleigh fading channel. It derives closed formulas…”
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Performance analysis of a class of GSC receivers over nonidentical Weibull fading channels by Bithas, P.S., Karagiannidis, G.K., Sagias, N.C., Mathiopoulos, P.T., Kotsopoulos, S.A., Corazza, G.E.

“…The performance of a class of generalized-selection combining (GSC) receivers operating over independent but nonidentically distributed Weibull fading channels…”
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Optimal detection of coded differentially encoded QAM and PSK signals with diversity reception in correlated fast Rician fading channels by Bouras, D.P., Mathiopoulos, P.T., Makrakis, D.

“…The optimal sequence estimator for digital signals received over Lambda different channels is derived. Each of these channels corrupts the transmitted signal…”
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Differentially detected GMSK signals in CCI channels for mobile cellular telecommunication systems by Shin, S.S., Mathiopoulos, P.T.

“…The performance of conventional and decision feedback differential detection receivers for Gaussian minimum-shift keying (GMSK) signals transmitted in the…”
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Analytical envelope correlation and spectrum of maximal-ratio combined fading signals by Iskander, C.-D., Mathiopoulos, P.T.

“…Using results from the theory of multidimensional Gaussian distributions, we provide closed-form or infinite series expressions for the envelope…”
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Performance of multicode DS/CDMA with noncoherent M-ary orthogonal Modulation in multipath fading channels by Iskander, C.-D., Mathiopoulos, P.T.

“…This paper presents the performance analysis and simulation of a multicode direct-sequence code-division multiple-access system with noncoherent M-ary…”
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Nonredundant error correction DQPSK for the aeronautical-satellite channel by Wong, D.P.C., Mathiopoulos, P.T.

“…The performance of differentially encoded quadrature phase-shift keying (DQPSK) system employing nonredundant error correction (NEC) receivers with single- and…”
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Fourier-Bessel error performance analysis and evaluation of M-ary QAM schemes in an impulsive noise environment by Kosmopoulos, S.A., Mathiopoulos, P.T., Gouta, M.D.

“…Closed-form expressions are derived for the error rate performance of coherent M-ary quadrature amplitude modulated (QAM) systems in the presence of an…”
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Online smoothing of VBR H.263 video for the CDMA2000 and IS-95B uplinks by Iskander, C.-D., Mathiopoulos, P.T.

“…The variable bit rate nature of compressed video remains a major challenge to the transmission of real-time video over mobile CDMA cellular networks. Indeed,…”
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