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Theses/Dissertations

New Jersey Institute of Technology

2010

Orthogonal frequency division multiplexing

Theses

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Papr Reduction In Ofdm Communications With Generalized Discrete Fourier Transform, Sertac Sayin May 2010

Papr Reduction In Ofdm Communications With Generalized Discrete Fourier Transform, Sertac Sayin

Theses

The main advantage of Generalized Discrete Fourier Transform (GDFT) is its ability to design a wide selection of constant modulus orthogonal code sets, based on the desired performance metrics mimicking the engineering specs of interest. One of the main drawbacks of Orthogonal Frequency Division Multiplexing (OFDM) systems is the high Peak to Average Power Ratio (PAPR) value which is directly related to power consumption of the system. Discrete Fourier Transform (DFT) spread OFDM technology, also known as Single Carrier Frequency Division Multiple Access (SCFDMA), which has a lower PAPR value, is used for uplink channel.

In this thesis, the PAPR …