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Dr. Ashraf Yahya Hassan Ali Fahmy :: Publications:

Title:
A Simple Transmit Diversity System for Fading Channels Using Shaped Sinusoidal functions
Authors: Dr. A. Y. Hassan
Year: 2017
Keywords: Not Available
Journal: AEU - International Journal of Electronics and Communications
Volume: 76
Issue: Not Available
Pages: 97-106
Publisher: Elsevier
Local/International: International
Paper Link:
Full paper Ashraf Yahya Hassan Ali Fahmy_A simple transmit diversity system for fading channels.pdf
Supplementary materials Not Available
Abstract:

This paper proposes a transmit-diversity system using a pair of orthogonal pulses. The system uses a set of orthonormal-basic functions, which contains four shaped-sinusoidal pulses with the same frequency. The first two elements in the set are shaped sine and cosine pulses. The second two elements are the same sine and cosine pulses but they are shaped with the Hilbert transform of the shaping pulse of the first two elements. The modulator in the proposed system produces two modulated symbols for each data symbol. It uses the first two elements in the proposed set in modulating the first modulated symbol and the second two elements in modulating the second modulated symbol. The modulated symbols are transmitted though two antennas. The diversity order of the proposed system is twice the number of antennas in the receiver. In the proposed system, no space-time coding is used and the channel gains change every symbol period. This is different from the Multiple-Input-Multiple-Output (MIMO) system. The receiver of the proposed system consists of two matched filters for each receiving antenna. No special detectors or interference cancelation techniques are used because there is no interference between the outputs of the matched filters. A Simple Transmit Diversity System for Fading Channels Using Shaped Sinusoidal functions. Available from: https://www.researchgate.net/publication/315975152_A_Simple_Transmit_Diversity_System_for_Fading_Channels_Using_Shaped_Sinusoidal_functions [accessed Nov 21 2017].

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