Zobrazeno 1 - 10
of 192
pro vyhledávání: '"Asrar U. H. Sheikh"'
Publikováno v:
International Journal of Antennas and Propagation, Vol 2012 (2012)
This paper presents the statistical properties of the vehicle-to-vehicle Nakagami-Hoyt (Nakagami-q) channel model under non-isotropic condition. The spatial time correlation function (STCF), the power spectral density (PSD), squared time autocorrelat
Externí odkaz:
https://doaj.org/article/565daa6024104098a5718de4d1eb42bf
Publikováno v:
IET Communications. 10:2372-2379
In a dual-hop relaying system without a direct link between the source and the destination, the source broadcasts information signal to the relay and relay broadcasts it to the destination, thus it uses two phases to transmit one symbol. This study p
Publikováno v:
2017 International Symposium on Wireless Systems and Networks (ISWSN).
Energy efficiency (EE) metric compares performances of wireless communication systems. Per-energy capacity ratio is an energy efficiency (EE) metric. In this paper, it is used to compare the performances of wireless systems in macro-femto environment
Publikováno v:
2017 International Symposium on Wireless Systems and Networks (ISWSN).
Per-energy capacity ratio is an energy efficiency (EE) metric that compares performances of different communication systems. In this paper, the per-energy capacity ratio is investigated in macro-femto environment operating in the presence of channel
Publikováno v:
2017 International Symposium on Wireless Systems and Networks (ISWSN).
Efficient spectrum utilization lies at the heart of next generation (xG) wireless communication networks. In this context, a thorough investigation into new and innovative spectrum management techniques as well as additional regulatory procedures are
Publikováno v:
IEEE Communications Surveys & Tutorials. 16:713-728
Cognitive radio is a promising solution to current problem of spectrum scarcity. It relies on efficient spectrum sensing. Energy detection is the most dominantly used spectrum sensing approach owing to its low computational complexity and ability to
Autor:
Asrar U. H. Sheikh, Raza Umar
Publikováno v:
Physical Communication. 9:148-170
Spectrum scarcity is impeding practical implementations of emerging wireless multimedia applications requiring significantly more frequency spectrum. Cognitive radio (CR) has emerged as a promising solution to the current spectral congestion problem
Publikováno v:
AEU - International Journal of Electronics and Communications. 67:549-556
This paper presents second order statistical properties of the mobile to mobile Nakagami Hoyt channel model under non-isotropic condition. The spatial-time correlation function, the power spectral density (PSD), level crossing rate (LCR) and the aver
Publikováno v:
IET Communications. 7:818-827
This study presents statistical properties of the vehicle-to-vehicle Nakagami–Hoyt channel model with diffused line of sight (LOS) under isotropic condition. The envelope and phase probability density functions, spatial-time autocorrelation functio
Publikováno v:
Arabian Journal for Science and Engineering. 38:2159-2171
In this paper, the idea of multi-split adaptive filter is applied to a Decision Feedback Equalizer (DFE). The feed-forward and feedback sections in the DFE are divided into parallel sub-filters by imposing separately the symmetry and antisymmetry con