PAPR reduction in 4g cellular network: A SLM-based IFDMA uplink system. | [Proceedings of Pakistan Academy of Sciences • 2012]

Author(s):

1. Imran Baig: Electrical and Electronic Engineering Department, Universiti Teknologi PETRONAS, Tronoh, 31750, Perak, Malaysia

2. Varun Jeoti: Electrical and Electronic Engineering Department, Universiti Teknologi PETRONAS, Tronoh, 31750, Perak, Malaysia

Abstract:

This paper presents a selected-mapping (SLM) based peak-to-average power ratio (PAPR) reduction technique for the interleaved single carrier frequency division multiple access (IFDMA) uplink system. The SLM is a distortionless technique as it selects the transmit signal with low PAPR from a set of alternative signals representing the same information. Extensive matlab simulations have been carried out to validate the proposed idea. At the clip rate of with user’s subcarriers, system’s subcarriers and dissimilar phase sequences : the PAPR gain of the proposed SLM based IFDMA system is 6.8 dB and 2.3 dB when compared with those of conventional interleaved OFDMA uplink systems and the conventional IFDMA uplink systems respectively, for the QPSK modulation.

Page(s): 79-84

DOI: DOI not available

Published: Journal: Proceedings of Pakistan Academy of Sciences, Volume: 49, Issue: 2, Year: 2012

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