Zobrazeno 1 - 10
of 92
pro vyhledávání: '"K. B. Baltzis"'
Autor:
K. B. Baltzis, E. S. Meles
Publikováno v:
Journal of Engineering Science and Technology Review, Vol 7, Iss 3, Pp 24-31 (2014)
Generalized RAKE (G-RAKE) reception reduces the total amount of interference and provides enhanced diversity by comprising extra fingers to collect information about interference and further using channel and impairment correlation estimates for fi
Externí odkaz:
https://doaj.org/article/6704d207bce0436d9be233f3b6261623
Spatial Characterization of the Uplink Inter-Cell Interference in Polygonal-Shaped Wireless Networks
Autor:
K. B. Baltzis
Publikováno v:
Radioengineering, Vol 22, Iss 1, Pp 363-370 (2013)
The uplink inter-cell interference is a major impairment in wireless systems. In this paper, we provide a geometrical-based framework for its analysis in networks with convex polygonal coverage area. Algebraic expressions for the Angle-of-Arrival (Ao
Externí odkaz:
https://doaj.org/article/25213f4e582b4dc388af87a2edce7ad3
Autor:
K. B. Baltzis
Publikováno v:
Radioengineering, Vol 20, Iss 4, Pp 961-967 (2011)
In Mobile-to-Mobile (M2M) communications, the communicating nodes are surrounded by scatterers and equipped with low elevation antennas. This paper proposes a simple 2-D geometric scattering model for M2M channels. The model is also applicable in cel
Externí odkaz:
https://doaj.org/article/1f3a28153f2e4c4faf503e6cb49b9a00
Autor:
K. B. Baltzis
Publikováno v:
Radioengineering, Vol 19, Iss 4, Pp 689-694 (2010)
The primary means of studying the performance of vehicular ad hoc networks (VANETs) are computer simulations. Nowadays, the development of analytical models and the use of hybrid simulations that combine analytical modeling with discrete-event simula
Externí odkaz:
https://doaj.org/article/d8545f759fd64d74886546ad76884546
Autor:
K. B. Baltzis
Publikováno v:
Radioengineering, Vol 19, Iss 1, Pp 11-16 (2010)
The reliable and accurate description of signal attenuation characteristics is important in the simulation and performance analysis of wireless communications systems. Recent works have provided analytical expres- sions for the path loss statistics i
Externí odkaz:
https://doaj.org/article/67b0289d623845c1a27e17c615277770
Autor:
K. B. Baltzis
Publikováno v:
Radioengineering, Vol 18, Iss 4, Pp 469-476 (2009)
3G mobile devices and base stations employ rake receivers. An important issue in the design of such receivers is finger allocation. This paper explores the relationship between finger placement and the correlation properties of rake combined signals.
Externí odkaz:
https://doaj.org/article/db6d9ffc09c8447fa168e9a109b12d4a
Autor:
K. B. Baltzis
Publikováno v:
Radioengineering, Vol 17, Iss 4, Pp 45-50 (2008)
In wideband wireless communication systems the RAKE receiver is commonly used to collect the resolvable multipath energy and counter the effects of fading through diversity. However, in channels with large delay and energy spread, its high complexity
Externí odkaz:
https://doaj.org/article/75df0797048744a6bc333e66ba76dc6d
Autor:
K. B. Baltzis
Publikováno v:
Journal of Engineering Science and Technology Review, Vol 1, Iss 1, Pp 83-89 (2008)
The finite element method (FEM) is one of the most successful computational techniques for obtaining approximate solutions to the partial differential equations that arise in many scientific and engineering applications. Finite Element Method Magneti
Externí odkaz:
https://doaj.org/article/428a7d5d46334bc1a40f03282dcaae6b
Autor:
K. B. Baltzis
Publikováno v:
Journal of Engineering Science and Technology Review, Vol 1, Iss 1, Pp 75-82 (2008)
To meet the challenges of present and future wireless communications realistic propagation models that consider both spatial and temporal channel characteristics are used. However, the complexity of the complete characterization of the wireless mediu
Externí odkaz:
https://doaj.org/article/09ccd1cd37074245b825dba7e9199799
Extension of usable frequency spectrum from microwave to millimeter-wave (mmWave) range is one of the key research direction in addressing the capacity demands of 5thgeneration (5G) land mobile radio communication networks. This paper presents a thor
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2e8669ac0046727e7fbc2ee1ccfe8a93
