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PAPR reduction using tone reservation for NC-OFDM transmissions

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2 Author(s)
Mochan Yang ; School of Electronic Engineering, Soongsil University, Seoul 156-743, Korea ; Yoan Shin

This study examines PAPR (Peak-to-Average Power Ratio) reduction using TR (Tone Reservation) for NC-OFDM (Non-Contiguous Orthogonal Frequency Division Multiplexing) transmissions, which are used in DSA (Dynamic Spectrum Access) networks such as CR (Cognitive Radio). In the TR method, scaling of time-domain peak reduction kernel signal affects only reserved tones in a given frequency domain according to Fourier transform principles. Since it does not interfere with PUs (Primary Users), it can be an optimal approach in CR network environment. In this paper, a method was considered to reduce PAPR for OFDM signals by reserving some tones among tones available to SU (Secondary User) for NC-OFDM systems.

Published in:

2012 Fourth International Conference on Ubiquitous and Future Networks (ICUFN)

Date of Conference:

4-6 July 2012