Rawan Yousef Ayyoub's scientific contributions

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Publication (1)

Study of QPSK Modulator and Demodulator in Wireless Communication System Using MATLAB
Article
  • Apr 2013
Quadrature Phase-Shift Keying (QPSK) modulation technique is one of the most widely used modulation scheme in modern digital communication system; it provides high performance on bandwidth efficiency. In this paper, the model of QPSK modulator and demodulator has been simulated using MATLAB Simulink.
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... Therefore, a number of channels estimation techniques for MIMO-OFDM systems have been developed [6][7][8].In order to be able to select between these techniques, it is necessary to investigate their performance in different working environments. Computer simulation is well-recognized as the most feasible solution as practical investigations are complicated, costly, and time consuming [9,10]. This paper simulates and investigates the performance of four different channel estimation techniques for MIMO-OFDM systems; these are: super imposed pilot (SIP) [11], comb-type [12], space-time block coding (STBC) [13], and space-frequency block coding (SFBC) [14] techniques. ...
Reference: Investigating the Performance of Various Channel Estimation Techniques for MIMO-OFDM Systems using Matlab
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