Search Results - "Papaharalabos, Stylianos"

Deep Learning-Based Indoor Localization Using Multi-View BLE Signal by Koutris, Aristotelis, Siozos, Theodoros, Kopsinis, Yannis, Pikrakis, Aggelos, Merk, Timon, Mahlig, Matthias, Papaharalabos, Stylianos, Karlsson, Peter

“…In this paper, we present a novel Deep Neural Network-based indoor localization method that estimates the position of a Bluetooth Low Energy (BLE) transmitter…”
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On optimal and near-optimal turbo decoding using generalized max operator by Papaharalabos, S., Mathiopoulos, P., Masera, G., Martina, M.

“…Motivated by a recently published robust geometric programming approximation, a generalized approach for approximating efficiently the max* operator is…”
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Cooperative DVB-SH Satellite Broadcasting Systems with Rotated Signal Constellations by Sagias, Nikos C., Papaharalabos, Stylianos, Mathiopoulos, P. Takis

“…In this paper, we study the advan- tages of cooperation in broadcasting systems from a geosynchronous earth orbit （GEO） satellite to mobile terminals （MTs）,…”
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Approximated Box-Plus Decoding of LDPC Codes by Papaharalabos, Stylianos, Lazarakis, Fotis

“…The problem of how to approximate effectively the box-plus operation used in sum-product algorithm (SPA) decoding of low-density parity-check (LDPC) codes has…”
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A terabit/second satellite system for European broadband access: a feasibility study by Kyrgiazos, Argyrios, Evans, Barry, Thompson, Paul, Mathiopoulos, P. Takis, Papaharalabos, Stylianos

“…SUMMARYThis paper presents a feasibility study for a fixed broadband access High Throughput Satellite terabit/second system by considering appropriate…”
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Seamless Indoor and Outdoor Positioning with Hybrid Bluetooth AoA and GNSS Signals by Gamarra, Marco Velapatino, Papaharalabos, Stylianos, Rezaei, Farshid, Bartlett, David, Karlsson, Peter

“…In this paper, a novel hybrid positioning system (HPS) is proposed by combining Bluetooth direction finding and GNSS signals for seamless indoor - outdoor…”
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Comments on "Bitwise Log-Likelihood Ratios for Quadrature Amplitude Modulations" by Papaharalabos, Stylianos, Mathiopoulos, P. Takis, Martina, Maurizio, Masera, Guido

“…With reference to a recently published letter, the purpose of our contribution is two-fold. Firstly, to point out that, what is referred to as a new…”
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Simplified Log-MAP Algorithm for Very Low-Complexity Turbo Decoder Hardware Architectures by Martina, Maurizio, Papaharalabos, Stylianos, Mathiopoulos, P. Takis, Masera, Guido

“…Motivated by the importance of hardware implementation in practical turbo decoders, a simplified, yet effective, n-input max* approximation algorithm is…”
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On Practical Implementation and Generalizations of max ast Operator for Turbo and LDPC Decoders by Martina, Maurizio, Masera, Guido, Papaharalabos, Stylianos, Mathiopoulos, PTakis, Gioulekas, Fotios

“…In this paper, we deal with practical implementation issues of the max ast operation in generalized form used for decoding of both turbo and…”
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BICMC and TD Comparative Performance Study of 16-APSK Signal Variants for DVB-S2 Systems by Dalakas, Vassilis, Papaharalabos, Stylianos, Mathiopoulos, P. Takis, Candreva, E. Alberto, Corazza, Giovanni E., Vanelli-Coralli, Alessandro

“…A comparative performance study, in terms of Bit Interleaved Coded Modulation Capacity (BICMC) and Total Degradation (TD), between Amplitude Phase Shift Keying…”
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On Practical Implementation and Generalizations of \max^ Operator for Turbo and LDPC Decoders by Martina, M., Masera, G., Papaharalabos, S., Mathiopoulos, P. T., Gioulekas, F.

“…In this paper, we deal with practical implementation issues of the max* operation in generalized form used for decoding of both turbo and…”
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On Practical Implementation and Generalizations of [Formula Omitted] Operator for Turbo and LDPC Decoders by Martina, Maurizio, Masera, Guido, Papaharalabos, Stylianos, Mathiopoulos, P. Takis, Gioulekas, Fotios

“…In this paper, we deal with practical implementation issues of the [Formula Omitted] operation in generalized form used for decoding of both turbo and…”
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Novel Generalized max Approximation Method for Simplified Decoding of Turbo and TTCM Codes by Papaharalabos, Stylianos, Sybis, Michal, Tyczka, Piotr, Mathiopoulos, P. Takis

“…A novel method for approximating the optimal max* operator used in Log- MAP decoding of turbo and turbo trellis-coded modulation (TTCM) codes is proposed being…”
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Performance Comparisons and Improvements of Channel Coding Techniques for Digital Satellite Broadcasting to Mobile Users by Papaharalabos, S, Benmayor, D, Mathiopoulos, P T, Pingzhi Fan

“…Digital satellite multimedia broadcasting services in Europe are specified in the Mobile Satellite Services (MSS) frequency band by two recently developed…”
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Design of Efficiently Encodable Rate-Compatible LDPC Codes Using Vandermonde Extension Matrices by Benmayor, David, Papaharalabos, Stylianos, Mathiopoulos, P. Takis, Tsiropoula, Georgia, Constantinou, Philip

“…A low-complexity algorithm for the design of efficiently-encodable rate-compatible (RC) low-density parity-check (LDPC) codes by deterministically extending an…”
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On SNR Estimation Techniques for Turbo Decoding Over Uncorrelated Rayleigh Fading Channels With Unknown Fading Parameters by Hongyu Zhao, Pingzhi Fan, Mathiopoulos, P.T., Papaharalabos, S.

“…Three non-data-aided signal-to-noise ratio (SNR) estimator techniques are derived and compared for turbo decoding, in conjunction with block-coded…”
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A Novel Antenna System for Direction Finding Applications Using BLE 5.1 Technology by Gouzouasis, Ioannis, Papaharalabos, Stylianos, Nasa, Mohamad Abou, Karlsson, Peter

“…In this paper, a novel antenna system is presented for direction finding applications. The system can estimate the angle of arrival (AoA) of a Bluetooth low…”
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DVB-S2 LDPC Decoding Using Robust Check Node Update Approximations by Papaharalabos, S., Papaleo, M., Mathiopoulos, P.T., Neri, M., Vanelli-Coralli, A., Corazza, G.E.

“…Broadband satellite services to fixed terminals are currently offered in the forward link by the 2nd generation (2G) digital video broadcasting satellite…”
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Efficient iterative decoding algorithms for turbo and low-density parity-check (LDPC) codes by Papaharalabos, Stylianos

“…Efficient iterative decoding algorithms are proposed that can be applied to the general case of turbo and LDPC codes. It is shown that improvements to the BER…”
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Modified Log-MAP Algorithm for Simplified Decoding of Turbo and Turbo TCM Codes by Papaharalabos, S., Sybis, M., Tyczka, P., Mathiopoulos, P.T.

“…A novel method for approximating the optimal max* operator in Log-MAP decoding of turbo and turbo trellis-coded modulation (TTCM) codes is presented. The max*…”
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