Optimal Performance of OFDM Signal Using PAPR Reduction Techniques in LTE Systems

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Provided by: International Journal of Electronics Communication and Computer Engineering
Topic: Mobility
Format: PDF
3rd generation partnership project Long term Evolution (LTE) has been designed to provide more efficient use of radio networks. The LTE provides scalable bandwidth, latency reduction and higher data rates with improved mobility. Single Carrier Frequency Division Multiple Access (SC-FDMA) has been selected for use in the Long Term Evolution (LTE) uplink due to its Peak-to-Average Power Ratio (PAPR) relative to OFDMA. The SCFDMA scheme normally applies 16-Quadrature Amplitude Modulation (16-QAM) but Amplitude Phase Shift Keying (APSK) modulation has a lower PAPR than the 16- QAM, resulting in improved BER.
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