The Comparative Study of Peak-to-Average Power Ratio Reduction Techniques for LTE OFDM System & Its Effect

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Provided by: Research In Motion
Topic: Networking
Format: PDF
Orthogonal Frequency Division Multiplexing (OFDM) is a multicarrier modulation technique which uses orthogonal subcarriers to convey information. Orthogonal Frequency Division Multiplexing (OFDM) has been adopted as a standard for various high data rate wireless communication systems due to the high spectral bandwidth efficiency, robustness to frequency selective fading channels, well suited for MIMO technology, Facilitate frequency-domain scheduling supports flexible bandwidth deployment etc. However, implementation of the OFDM system entails several difficulties. One of the major drawbacks is the high Peak-to-Average Power Ratio (PAPR) problem in multicarrier transmission system which leads to power inefficiency in RF section of the transmitter, inter carrier interference, high out-of-band radiation, and bit error rate performance degradation.
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