Journals

119 entries « 2 of 3 »

2010

Datsikas, Christos K; Peppas, Kostas; Sagias, Nikos C; Tombras, George S

Serial free-space optical relaying communications over gamma-gamma atmospheric turbulence channels Journal Article

In: IEEE/OSA Journal of Optical Communications and Networking, 2 (8), pp. 576-586, 2010.

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Alexandropoulos, George C; Mathiopoulos, Takis P; Sagias, Nikos C

Switch-and-examine diversity over arbitrary correlated Nakagami-$m$ fading channels Journal Article

In: IEEE Transactions on Vehicular Technology, 58 (4), pp. 2080-2087, 2010.

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2009

Papadimitriou, Zafiro G; Mathiopoulos, Takis P; Sagias, Nikos C

The trivariate and quadrivariate Weibull fading distributions with arbitrary correlation and their applications to diversity reception Journal Article

In: IEEE Transactions on Communications, 57 (11), pp. 3230-3234, 2009.

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Bithas, Petros S; Sagias, Nikos C; Mathiopoulos, Takis P

The bivariate generalized-$K$ distribution and its application to diversity receivers Journal Article

In: IEEE Transactions on Communications, 57 (9), pp. 2655-2662, 2009.

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Triantafyllopoulou, Dionysia; Passas, Nikos; Merakos, Lazaros; Sagias, Nikos C; Mathiopoulos, Takis P

E-CLEMA: A cross-layer design for improved quality of service in mobile WiMAX networks Journal Article

In: Wireless Communications and Mobile Computing, 9 (9), pp. 1274-1286, 2009.

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Gkonis, Panagiotis K; Tsoulos, George V; Kaklamani, Dimitra I

Dual code Tx diversity with antenna selection for spatial multiplexing in MIMO-WCDMA networks Journal Article

In: Communications Letters, IEEE, 13 (8), pp. 570–572, 2009.

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Peppas, Kostas; Sagias, Nikos C

A trivariate Nakagami-$m$ distribution with arbitrary covariance matrix and applications to generalized selection diversity receivers Journal Article

In: IEEE Transactions on Communications, 57 (7), pp. 1896-1902, 2009.

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Zarbouti, Dimitra A; Stiakogiannakis, Ioannis; Tsoulos, George V; Athanasiadou, Georgia E; Kaklamani, Dimitra I

OFDMA techniques in multicellular networks with total frequency reuse Journal Article

In: Computer Communications, 32 (3), pp. 522–530, 2009.

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Kateros, D A; Zarbouti, Dimitra A; Tsilimantos, D C; Katsigiannis, C I; Gkonis, P K; Foukarakis, I E; Kaklamani, D I; Venieris, I S

DVB-T Network Planning: A Case Study for Greece Journal Article

In: IEEE Antennas and Propagation Magazine, 51 (1), pp. 91-101, 2009, ISSN: 1045-9243.

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Alexandropoulos, George C; Sagias, Nikos C; Lazarakis, Fotis I; Berberidis, Kostas

New results for the multivariate Nakagami-$m$ fading model with arbitrary correlation matrix and applications Journal Article

In: IEEE Transactions on Wireless Communications, 8 (1), pp. 245-255, 2009.

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2008

Bithas, Petros S; Sagias, Nikos C; Mathiopoulos, Takis P; Kotsopoulos, Stavros A; Maras, Andreas M

On the correlated K-distribution with arbitrary fading parameters Journal Article

In: IEEE Signal Processing Letters, 15 (2008), pp. 541-544, 2008.

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Gkonis, Panagiotis K; Tsoulos, George V; Athanasiadou, Georgia E; Kaklamani, Dimitra I

An adaptive beam-shaping strategy for WCDMA multicellular networks with non-uniform traffic requirements Journal Article

In: Journal of Communications, 3 (4), pp. 16–25, 2008, ISSN: 1796-2021.

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Athanaileas, Theodoros; Gkonis, Panagiotis K; Athanasiadou, Georgia E; Tsoulos, George V; Kaklamani, Dimitra I

Implementation and evaluation of a web-based grid-enabled environment for WCDMA multibeam system simulations [wireless corner] Journal Article

In: Antennas and Propagation Magazine, IEEE, 50 (3), pp. 195–204, 2008.

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Bithas, Petros S; Sagias, Nikos C; Tsiftsis, Theodoros A

Performance analysis of dual-diversity receivers over correlated generalised gamma fading channels Journal Article

In: IET Communications, 2 (1), pp. 174-178, 2008.

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Datsikas, Christos K; Sagias, Nikos C; Lazarakis, Fotis I; Tombras, George S

Outage analysis of decode-and-forward relaying over Nakagami-$m$ fading channels Journal Article

In: IEEE Signal Processing Letters, 15 (1), pp. 41-44, 2008.

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2007

Bithas, Petros S; Sagias, Nikos C; Mathiopoulos, Takis P

GSC diversity receivers over generalized-gamma fading channels Journal Article

In: IEEE Communications Letters, 11 (12), pp. 964-966, 2007.

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Sagias, Nikos C; Peppas, Kostas

Error rate analysis of threshold-based hybrid selection/maximal-ratio diversity over correlated Nakagami-$m$ fading channels Journal Article

In: IEEE Communications Letters, 11 (12), pp. 922-924, 2007.

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Alexandropoulos, George C; Sagias, Nikos C; Berberidis, Kostas

On the multivariate Weibull fading model with arbitrary correlation matrix Journal Article

In: IEEE Antennas and Wireless Propagation Letters, 6 , pp. 93-95, 2007.

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Sagias, Nikos C; Karagiannidis, George K

Comments on "Average LCR and AFD for SC diversity over correlated Weibull fading channels" Journal Article

In: Wireless Personal Communications, 43 (2), pp. 699-701, 2007.

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Karagiannidis, George K; Sagias, Nikos C; Mathiopoulos, Takis P

$N$*Nakagami: A novel stochastic model for cascaded fading channels Journal Article

In: IEEE Transactions on Communications, 55 (8), pp. 1453-1458, 2007.

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Bithas, Petros S; Sagias, Nikos C; Mathiopoulos, Takis P

Dual diversity over correlated Ricean fading channels Journal Article

In: Journal of Communications and Networks, 9 (1), pp. 67-74, 2007.

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Sagias, Nikos C

Closed-form analysis of equal-gain diversity in wireless radio networks Journal Article

In: IEEE Transactions on Vehicular Technology, 56 (1), pp. 173-182, 2007.

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Sagias, Nikos C; Tombras, George S

On the cascaded Weibull fading channel model Journal Article

In: Journal of the Franklin Institute, 344 (1), pp. 1-11, 2007.

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2006

Sagias, Nikos C; Karagiannidis, George K; Mathiopoulos, Takis P; Tsiftsis, Theodoros A

On the performance analysis of equal-gain diversity receivers over generalized Gamma fading channels Journal Article

In: IEEE Transactions on Wireless Communications, 5 (10), pp. 2967-2975, 2006.

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Karagiannidis, George K; Sagias, Nikos C; Tsiftsis, Theodoros A

Closed-form statistics for the sum of squared Nakagami-$m$ variates and its applications Journal Article

In: IEEE Transactions on Communications, 54 (8), pp. 1353-1359, 2006.

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Bithas, Petros S; Sagias, Nikos C; Mathiopoulos, Takis P; Karagiannidis, George K; Rontogiannis, Athanasios A

On the performance analysis of digital communications over generalized-$K$ fading channels Journal Article

In: IEEE Communications Letters, 10 (5), pp. 353-355, 2006.

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Sagias, Nikos C

Capacity of dual-branch selection diversity receivers in correlative Weibull fading Journal Article

In: European Transactions on Telecommunications, 16 (1), pp. 37-43, 2006.

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2005

Sagias, Nikos C; Zogas, Dimitris A; Karagiannidis, George K

Selection diversity receivers over nonidentical Weibull fading channels Journal Article

In: IEEE Transactions on Vehicular Technology, 54 (6), pp. 2146-2151, 2005.

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Bithas, Petros S; Karagiannidis, George K; Sagias, Nikos C; Mathiopoulos, Takis P; Kotsopoulos, Stavros A; Corazza, Giovanni E

Performance analysis of a class of GSC receivers over non-identical Weibull fading channels Journal Article

In: IEEE Transactions on Vehicular Technology, 54 (6), pp. 1963-1970, 2005.

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Zogas, Dimitris A; Sagias, Nikos C; Tombras, George S; Karagiannidis, George K

Average output SNR of equal-gain diversity receivers over correlative Weibull fading channels Journal Article

In: European Transactions on Telecommunications, 16 (6), pp. 521-525, 2005.

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Sagias, Nikos C; Mathiopoulos, Takis P

Switched diversity receivers over generalized Gamma fading channels Journal Article

In: IEEE Communications Letters, 9 (10), pp. 871-873, 2005.

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Sagias, Nikos C; Karagiannidis, George K

Gaussian class multivariate Weibull distributions: Theory and applications in fading channels Journal Article

In: IEEE Transactions on Information Theory, 51 (10), pp. 3608-3619, 2005.

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Sagias, Nikos C; Karagiannidis, George K; Zogas, Dimitris A; Tombras, George S; Kotsopoulos, Stavros A

Average output SINR of equal gain diversity in Nakagami fading with cochannel interference Journal Article

In: IEEE Transactions on Wireless Communications, 4 (4), pp. 1407-1411, 2005.

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Karagiannidis, George K; Tsiftsis, Theodoros A; Sagias, Nikos C

A closed-form upper-bound for the distribution of the weighted sum of Rayleigh variates Journal Article

In: IEEE Communications Letters, 9 (7), pp. 589-591, 2005.

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Sagias, Nikos C; Karagiannidis, George K

Effects of carrier phase error on EGC receivers in correlated Nakagami-$m$ fading Journal Article

In: IEEE Communications Letters, 9 (7), pp. 580-582, 2005.

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Karagiannidis, George K; Zogas, Dimitris A; Sagias, Nikos C; Kotsopoulos, Stavros A; Tombras, George S

Equal-gain and maximal-ratio combining over Weibull fading channels Journal Article

In: IEEE Transactions on Wireless Communications, 4 (3), pp. 841-846, 2005.

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Karagiannidis, George K; Sagias, Nikos C; Zogas, Dimitris A

Error analysis of M-QAM with equal-gain diversity over generalized fading channels Journal Article

In: IET Proceedings on Communications, 152 (1), pp. 69-74, 2005.

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Sagias, Nikos C; Tombras, George S; Karagiannidis, George K

New results for the Shannon channel capacity in generalized fading channels Journal Article

In: IEEE Communications Letters, 9 (2), pp. 97-99, 2005.

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Sagias, Nikos C; Varzakas, Panagiotis; Tombras, George S; Karagiannidis, George K

Spectral efficiency for selection combining RAKE receivers over Weibull fading channels Journal Article

In: Journal of the Franklin Institute, 342 (1), pp. 7-13, 2005.

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Athanasiadou, Georgia E; Wassell, IJ

Comparisons of ray tracing predictions and field trial results for broadband fixed wireless access scenarios Journal Article

In: WSEAS Transactions on Circuits and Systems, 4 (8), pp. 717–721, 2005.

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Zarbouti, Dimitra A; Tsoulos, George V; Kaklamani, DI

Impact of Fading Correlation and Calibration Distortion on MIMO Capacity Performance Journal Article

In: WSEAS Transactions on Communications, 4 (10), pp. 1040, 2005.

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2004

Sagias, Nikos C; Varzakas, Panagiotis; Tombras, George S; Karagiannidis, George K

Average channel capacity for generalized selection combining RAKE receivers Journal Article

In: European Transactions on Telecommunications, 15 (5), pp. 497-500, 2004.

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Sagias, Nikos C; Karagiannidis, George K; Zogas, Dimitris A; Mathiopoulos, Takis P; Tombras, George S

Performance analysis of dual selection diversity over correlated Weibull fading channels Journal Article

In: IEEE Transactions on Communications, 52 (7), pp. 1063-1067, 2004.

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Sagias, Nikos C; Zogas, Dimitris A; Karagiannidis, George K; Tombras, George S

Channel capacity and second order statistics in Weibull fading Journal Article

In: IEEE Communications Letters, 8 (6), pp. 377-379, 2004.

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Sagias, Nikos C; Karagiannidis, George K; Tombras, George S

Error-rate analysis of switched diversity receivers in Weibull fading Journal Article

In: Electronics Letters, 40 (11), pp. 681-682, 2004.

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Sellars, MP ; Athanasiadou, Georgia E; Ziolko, B; Greaves, SD

Opposite-sector uplink interference in broadband FWA networks in high-rise cities Journal Article

In: Electronics Letters, 40 (17), pp. 1070–1071, 2004.

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2003

Sagias, Nikos C; Mathiopoulos, Takis P; Tombras, George S

Selection diversity receivers in Weibull fading: Outage probability and average signal-to-noise ratio Journal Article

In: Electronics Letters, 39 (25), pp. 1859-1860, 2003.

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Sagias, Nikos C; Zogas, Dimitris A; Karagiannidis, George K; Tombras, George S

Performance analysis of switched diversity in Weibull fading Journal Article

In: Electronics Letters, 39 (20), pp. 1472-1474, 2003.

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2002

Loyka, Sergey ; Tsoulos, George V

Estimating MIMO system performance using the correlation matrix approach Journal Article

In: Communications Letters, IEEE, 6 (1), pp. 19–21, 2002.

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Tsoulos, George V; Athanasiadou, Georgia E

On the application of adaptive antennas to microcellular environments: radio channel characteristics and system performance Journal Article

In: Vehicular Technology, IEEE Transactions on, 51 (1), pp. 1–16, 2002.

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119 entries « 2 of 3 »