BER and PAPR Analysis of DFT Precoded OFDM Multilayer IDMA (P-OFDM ML IDMA) Signals - Volume 2 Number 4 (Jul. 2013) - IJCCE
Volume 2 Number 4 (Jul. 2013)
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IJCCE 2013 Vol.2(4): 491-494 ISSN: 2010-3743
DOI: 10.7763/IJCCE.2013.V2.233

BER and PAPR Analysis of DFT Precoded OFDM Multilayer IDMA (P-OFDM ML IDMA) Signals

Mohamed A. Aboul-Dahab, Esam A. A. A. Hagras, and Ahmad A. Elhaseeb
Abstract—In this paper, Discrete Fourier Transform Precoded Orthogonal Frequency Division Multiplexing Multilayer Interleave Division Multiple Access (DFT P OFDM ML IDMA) communication system has been proposed. Chip by Chip (CBC) iterative receiver is used to recover the data in each layer. Also, different precoding techniques has been applied with and without clipping in the proposed P OFDM ML IDMA. Simulation results confirm that the DFT precoder provides better PAPR reduction compared with other precoded methods with and without clipping. BER and PAPR simulation results shows that the proposed DFT P OFDM ML IDMA brings about 7 dB PAPR reduction and 0.5 dB BER improvement compred with OFDM ML IDMA. The Simulations for the proposed DFT P OFDM ML IDMA with 2 - 6 layers shows that the variation is 3.4 to 8.2 dB for the PAPR and 7.8 to 8.7 dB for the BER. So, the adaptive modulation can be simply realized by the proposed DFT P OFDM ML IDMA.

Index Terms—PAPR, DFT, precoding, OFDM and IDMA.

The authors are with the Elec. and com. Dept., Faculty of Engineering, Arab Academy for Science and Technology and Maritime Transport, Cairo, Egypt (e-mail: mdahab@aast.edu, esamhagras_2006@yahoo.com, dgdfsdf@yahoo.com).

Cite:Mohamed A. Aboul-Dahab, Esam A. A. A. Hagras, and Ahmad A. Elhaseeb, "BER and PAPR Analysis of DFT Precoded OFDM Multilayer IDMA (P-OFDM ML IDMA) Signals," International Journal of Computer and Communication Engineering vol. 2, no. 4, pp. 491-494, 2013.

General Information

ISSN: 2010-3743
Frequency: Quarterly
Editor-in-Chief: Dr. Maode Ma
Abstracting/ Indexing: EI (INSPEC, IET), Google Scholar, Crossref, ProQuest, and Electronic Journals Library
E-mail: ijcce@iap.org
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