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Information and Decision Sciences pp 429–435Cite as

Investigation of Optimal Cyclic Prefix Length for 4G Fading Channel

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Part of the book series: Advances in Intelligent Systems and Computing ((AISC,volume 701))

Abstract

The Orthogonal Frequency Division Multiplexing (OFDM) system plays a key role in 4G communication systems due to its ability to mitigate the frequency selective fading in a multipath channel. Channel fading causes Intersymbol Interference (ISI) and Intercarrier Interference (ICI) because of delay spread effect. These problems can be reduced by correlating the cyclic prefix with the OFDM symbol. This paper analyzes the OFDM performance with and without cyclic prefix of various lengths by considering the Bit Error Rate (BER) as performance metric. Results indicate that for an optimum cyclic prefix length (FFT length = 128 and cyclic prefix size = 16), the BPSK modulation technique is providing better BER performance when compared to other modulation techniques such as QPSK, 8PSK, 8QAM, 16QAM, 32QAM, and 256QAM.

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References

  1. Sasibhushana Rao, G.: Mobile Cellular Communication. Pearson Education, New Delhi (2013)

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  4. IEEE 802.11 specification: Orthogonal Frequency Division Multiplexing (OFDM) PHY specification for the 5 GHz band–chapter 17

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Author information

Authors and Affiliations

  1. Department of Electronics and Communication Engineering, A.U.C.E(A), Andhra University, Visakhapatnam, 530003, Andhra Pradesh, India

    Ch. Vijay, G. Sasibhushana Rao & Vinodh Kumar Minchula

Authors
  1. Ch. Vijay
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  2. G. Sasibhushana Rao
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  3. Vinodh Kumar Minchula
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Corresponding author

Correspondence to Ch. Vijay .

Editor information

Editors and Affiliations

  1. Department of Computer Science and Engineering, PVP Siddhartha Institute of Technology, Vijayawada, Andhra Pradesh, India

    Suresh Chandra Satapathy

  2. Departamento de Engenharia Mecânica, Universidade do Porto, Porto, Portugal

    Joao Manuel R.S. Tavares

  3. Department of Electronics and Communication Engineering, SRMGPC, Lucknow, Uttar Pradesh, India

    Vikrant Bhateja

  4. School of Computer Application, KIIT University, Bhubaneswar, Odisha, India

    J. R. Mohanty

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© 2018 Springer Nature Singapore Pte Ltd.

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Cite this paper

Vijay, C., Sasibhushana Rao, G., Minchula, V.K. (2018). Investigation of Optimal Cyclic Prefix Length for 4G Fading Channel. In: Satapathy, S., Tavares, J., Bhateja, V., Mohanty, J. (eds) Information and Decision Sciences. Advances in Intelligent Systems and Computing, vol 701. Springer, Singapore. https://doi.org/10.1007/978-981-10-7563-6_44

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  • DOI: https://doi.org/10.1007/978-981-10-7563-6_44

  • Published:

  • Publisher Name: Springer, Singapore

  • Print ISBN: 978-981-10-7562-9

  • Online ISBN: 978-981-10-7563-6

  • eBook Packages: EngineeringEngineering (R0)

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