Ashraf Yahia Hassan Ali Fahmy|Publications

Benha University

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Prof. Ashraf Yahia Hassan Ali Fahmy :: Publications:

Research Fields

Electrical Engineering

Number of publications is 26

Title

1-Design A New Time-Diversity System Using Orthogonal Mapping Matrix and Symbols Interleaving for Rayleigh Flat-Fading Channels

Abstract' | Full paper

2-A time diversity scheme with multi-symbol detector for data transmission through flat fading Rayleigh channels

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3-The Effect of the Eigenvalues of the Zero-Forcing Detector on Its Performance in the Space-Division Multiplexing System

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4-A new approach for designing and implementing ADF equalization for 5G frequency selective channel based on two operating phases of LS and RLS algorithms

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5-Improving bit error-rate based on adaptive Bose-Chaudhuri Hocquenghem concatenated with convolutional codes

Abstract' | Full paper

6-Design and Performance Evaluation of a Multiuser OFDM System Based on Differential Quadrature Chaos-Shift-Keying Spread Spectrum

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7-Comparative study between cognitive radio techniques in FM broadcasting band

Abstract' | Full paper

8-Performance Analysis of LDPC Decoding Techniques

Abstract' | Full paper

9-A Frequency-Diversity System With Diversity Encoder and OFDM Modulation

Abstract' | Full paper

10-A Simple Time–Space Diversity Scheme Using Extended Shaping Pulse

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11-Enhancing noise performance of decorrelator detectors in multiuser systems using pulse position modulation signature codes

Abstract' | Full paper

12-Enhancing Signal Detection in Frequency Selective Channels by Exploiting Time Diversity in Inter-symbol Interference Signal

Abstract' | Full paper

13-A Novel Structure of High Speed OFDM Receiver to Overcome ISI and ICI in Rayleigh Fading Channel

Abstract' | Full paper

14-Minimizing the Effects of Inter-Carrier Interference Signal in OFDM System Using FT-MLE Based Algorithm

Abstract' | Full paper

15-A Simple Transmit Diversity System for Fading Channels Using Shaped Sinusoidal functions

Abstract' | Full paper

16-Increasing The Symbol Rate In QAM System Using A New Set Of Orthonormal Basics Functions

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17-Digital Modulation using Complex-Exponential Basic functions and Orthogonal Pulse-Shapes

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18-Double rate OFDM system in time varying channel

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19-Code-Time Diversity for Direct Sequence Spread Spectrum Systems

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20-Enhancement of Noise Performance in Digital Receivers by Over Sampling the Received Signal

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21-A wide band QAM receiver based on DFE to reject ISI in wireless time varying fading channel

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22- Differential decorrelator: a new approach for designing CDMA linear detector

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23-Performance evaluation of two signatures' codes linear decorrelator detector for CDMA systems in Nakagami fading channel

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24-Two signatures' codes linear decorrelator detector for CDMA systems

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25-New approach for designing CDMA decorrelator detector

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26-New approach for designing CDMA linear decorrelator detector

Abstract' | Full paper

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