Amith Khandakar

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This paper proposes an idea of developing a model of estimating timing offset error of OFDM (Orthogonal Frequency Division Multiplexing) system without the use of additional pilots relying on inherent characteristics of the OFDM signal. An analytical expression has been derived and formulated to analyze the effect of bit error rate (BER) due to timing(More)
Cognitive radio (CR) is an upcoming technology that provides viable solution for congested wireless spectrum. The basic idea behind cognitive radio is the utilization of unused frequency bands of primary or licensed users (PU) by secondary or unlicensed users (SU). The unused licensed spectrum is called white space or spectrum hole. CR utilizes these(More)
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