A Novel Technique for Low PAPR in LFDMA Systems

  • Lekshmi R. NairEmail author
  • Sakuntala S. Pillai
Conference paper
Part of the Lecture Notes in Electrical Engineering book series (LNEE, volume 656)


Single carrier frequency division multiple access (SC-FDMA) is the standardized technology used in the Third Generation Partnership Project (3GPP) used for implementing LTE-based uplink connection. It is gaining increased popularity as the preferred technique because of its better spectral efficiency. It also has an outstanding feature of reduced PAPR because of its single carrier design. An extensive study of modern modulation techniques such as SC-FDMA has played a vital role in the design of future networks and systems. This paper analyzes the effects of selective mapping (SLM) technique on PAPR lowering of the localized frequency domain multiple access (LFDMA) network which is a kind of SC-FDMA system by means of subcarrier mapping techniques. A multistage selective mapping method is used here to bring down the PAPR of the LFDMA system. This method achieves a better reduction in PAPR than that of the traditional SLM system. The behavior of the proposed selective mapping-based LFDMA network can be obtained through finding complementary cumulative distribution function (CCDF) for PAPR characteristics. The BER feature of the presented LFDMA system is better compared to the ones reported so far.




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© Springer Nature Singapore Pte Ltd. 2020

Authors and Affiliations

  1. 1.Department of Electronics and CommunicationSree Narayana Institute of TechnologyAdoorIndia
  2. 2.Mar Baselios College of Engineering and TechnologyTrivandrumIndia

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