Skip to main content
SpringerLink
Log in

Impact of pointing errors and turbulence effects on POLSK and coherent OWC-based FSO system over generalized turbulence channel model

  • Original Paper
  • Published:
Photonic Network Communications Aims and scope Submit manuscript

Abstract

The emerging technology in wireless communication, free space optics (FSO) offers a myriad of merits over current radio frequency links due to its wide license-free bandwidth, ease of installation, high security features and viable cost for short-distance communication. Its unparallel high-speed data rate and immunity against electromagnetic interference makes FSO the emerging technology of today. Atmospheric conditions like absorption, scattering, turbulence and pointing error prevail during wireless transmission. Through this paper we aim at elucidating the effect of the error introduced by misalignment between the transmitter and receiver that are ideally required to be in the line of sight rendering pointing error. Pointing error and turbulence effects are the main limitation parameters for our analysis. For this purpose, we have taken into consideration three different modulation techniques polarization shift keying, coherent OWC and on–off keying FSO communication system. We derived the novel expressions for the average spectral efficiency (ASE) over the generalized turbulence model for these modulation techniques. The ASE is analyzed against average transmitted optical power with the maximum ASE of 50 bits/s/Hz at the transmitted power of 10 dBm for coherent OWC technique.

This is a preview of subscription content, log in via an institution to check access.

Access this article

Log in via an institution

Price excludes VAT (USA)
Tax calculation will be finalised during checkout.

Instant access to the full article PDF.

Institutional subscriptions

Fig. 1
Fig. 2
Fig. 3
Fig. 4
Fig. 5
Fig. 6

Similar content being viewed by others

References

  1. Paudel, R., Ghassemlooy, Z., Le-Minh, H., Rajbhandari, S.: Modelling of free space optical link for ground-to-train communications using a Gaussian source. IET Optoelectron. 7(1), 1 (2013)

    Article  Google Scholar 

  2. Liu, X.: Free-space optics optimization models for building sway and atmospheric interference using variable wavelength. IEEE Trans. Commun. 57(2), 492 (2009)

    Article  Google Scholar 

  3. Letzepis, N., Holland, I., Cowely, W.: The Gaussian free space optical MIMO channel with Q-ary pulse position modulation. IEEE Trans. Commun. 7(5), 1744 (2008)

    Google Scholar 

  4. Djordjevic, B.: Adaptive modulation and coding for communication over the atmospheric turbulence channels. In: IEEE Photonics Society Summer Topicals, Newport Beach, California, 20–22 July 2009

  5. Arnon, S.: Effects of atmospheric turbulence and building sway on optical wireless-communication systems. Opt. Lett. 28, 129 (2003)

    Article  Google Scholar 

  6. Kedar, D., Arnon, S.: Optical wireless communication through fog in the presence of pointing errors. Appl. Opt. 42, 4946 (2003)

    Article  Google Scholar 

  7. Farid, A.A., Hranilovic, S.: Outage capacity optimization for free-space optical links with pointing errors. J. Lightw. Techol. 25(7), 1702 (2007)

    Article  Google Scholar 

  8. Rodrigues, G.K., Carneiro, V.G.A., da Cruz, A.R., Giraldi, M.T.M.R.: Evaluation of the strong turbulence impact over free-space optical links. Opt. Commun. 305, 42 (2013)

    Article  Google Scholar 

  9. Chi, N., Yu, S., Xu, L., Jeppesen, P.: Generation and transmission performance of 40 Gbit/s polarisation shift keying signal. Electron. Lett. 41(9), 547 (2005)

    Article  Google Scholar 

  10. Balaji, K.A., Prabu, K.: Performance evaluation of FSO system using wavelength and time diversity over malaga turbulence channel with pointing errors. Opt. Commun. 410, 643–651 (2018)

    Article  Google Scholar 

  11. Zhao, X., Yao, Y., Sun, Y., Liu, C.: Circle polarization shift keying with direct detection for free-space optical communication. J. Opt. Commun. Netw. 1, 307 (2009)

    Article  Google Scholar 

  12. Jurado-Navas, A., Garrido-Balsells, J.M., Paris, J.F., Castillo-Vázquez, M., Puerta-Notario, A.: Impact of pointing errors on the performance of generalized atmospheric optical channels. Opt. Express 20(11), 12552 (2012)

    Article  MATH  Google Scholar 

  13. Wang, Ping, Wang, Ranran, Guo, Lixin, Cao, Tian, Yang, Yintang: On the performances of relay-aided FSO system over M distribution with pointing errors in presence of various weather conditions. Opt. Commun. 367, 59–67 (2016)

    Article  Google Scholar 

  14. Aarthi, G., Prabu, K., Ramachandra Reddy, G.: Aperture averaging effects on the average spectral efficiency of FSO links over turbulence channel with pointing errors. Opt. Commun. 385, 136–142 (2017)

    Article  Google Scholar 

  15. Kaur, Prabhmandeep, Jain, Virander Kumar, Kar, Subrat: Effect of atmospheric conditions and aperture averaging on capacity of free space optical links. Opt. Quantum Electron. 46(9), 1139–1148 (2014)

    Article  Google Scholar 

  16. Prabu, K., Shashidhar Cheepalli, D., Kumar, Sriram: Analysis of PolSK based FSO system using wavelength and time diversity over strong atmospheric turbulence with pointing errors. Opt. Commun. 324, 318–323 (2014)

    Article  Google Scholar 

  17. Hassan, Md Zoheb, Hossain, Md Jahangir, Cheng, Julian: Ergodic capacity comparison of optical wireless communications using adaptive transmissions. Opt. Exp. 21(17), 20346–20362 (2013)

    Article  Google Scholar 

  18. Jurado-Navas, A., Garrido-Balsells, J.M., Paris, J.F., Puerta-Notario, A.: A unifying statistical model for atmospheric optical scintillation. In: Numerical Simulations of Physical and Engineering Processes (Intech 2011), pp. 181–206

  19. Lee, I.E., Ghassemlooy, Z., Ng, W.P., Uysal, M.: Performance Analysis of Free Space Optical Links over Turbulence and Misalignment Induced Fading Channels, in: Proceedings of the 8th IEEE/IET International Symposium on Communication Systems, Networks and Digital Signal Processing (CSNDSP), pp. 1–6 (2012)

  20. Adamchik, V.S., Marichev, O.: The algorithm for calculating integrals of hypergeometric type function and its realization in reduce system. In: Proceedings ISSAC,Tokyo, Japan, Aug, pp. 212–224 (1990)

Download references

Author information

Authors and Affiliations

  1. Department of Communication Engineering, VIT University, Vellore, 632014, India

    K. Prabu, Saumya Gupta & Satwiki Jaiswal

Authors
  1. K. Prabu
    View author publications

    You can also search for this author in PubMed Google Scholar

  2. Saumya Gupta
    View author publications

    You can also search for this author in PubMed Google Scholar

  3. Satwiki Jaiswal
    View author publications

    You can also search for this author in PubMed Google Scholar

Corresponding author

Correspondence to K. Prabu.

Rights and permissions

Reprints and permissions

About this article

Check for updates. Verify currency and authenticity via CrossMark

Cite this article

Prabu, K., Gupta, S. & Jaiswal, S. Impact of pointing errors and turbulence effects on POLSK and coherent OWC-based FSO system over generalized turbulence channel model. Photon Netw Commun 36, 96–105 (2018). https://doi.org/10.1007/s11107-018-0759-7

Download citation

  • Received:

  • Accepted:

  • Published:

  • Issue Date:

  • DOI: https://doi.org/10.1007/s11107-018-0759-7

Keywords

Search

Navigation