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Outage Probability of Multiuser Mixed RF/FSO Relay Schemes for Heterogeneous Cloud Radio Access Networks (H-CRANs)

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Abstract

The increase in deployment of various advanced wireless technologies, services, and applications have put significant pressure on the mobile network operators (MNOs) in terms of system requirements such as capacity, quality of service (QoS), and network coverage. In an effort to optimally meet the system requirements, the MNOs are confronted with high total cost of ownership (TCO), however, the associated income is relatively low. In order to address the challenges, MNOs as well as service providers (SPs) have given considerable interest to the small-cell schemes along with the associated advanced centralized and heterogeneous network architectures. This is due to their beneficial qualities regarding system performance optimization and cost-effectiveness. However, achieving the stringent requirements of the fronthaul for connecting the network elements is highly demanding. In this paper, taking into consideration the small-cell network architectures, we present multiuser mixed radio-frequency/free-space optical (RF/FSO) relay schemes as viable means of alleviating the stringent requirements. Furthermore, we study the end-to-end outage performance of the mixed RF/FSO schemes considering the effect of pointing errors in the FSO links. The simulation results portray the feasibility of deployment of the mixed RF/FSO schemes in real-life scenarios.

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Acknowledgements

This work is supported by the Fundação para a Ciência e a Tecnologia (FCT) under the Ph.D. Grant PD/BD/52590/2014. It is also supported by the FCT/MEC through the national funds and when applicable co-funded by FEDER-PT2020 partnership agreement under the project UID/EEA/50008/2013. Also, it is funded by project compress: PTDC/EEITEL/ 7163/2014 and Project P2020 FutPON.

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Authors and Affiliations

  1. Instituto de Telecomunicações, Department of Electronics, Telecommunications and Informatics, Universidade de Aveiro, 3810-193, Aveiro, Portugal

    Isiaka A. Alimi, Paulo P. Monteiro & António L. Teixeira

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  1. Isiaka A. Alimi
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  2. Paulo P. Monteiro
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  3. António L. Teixeira
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Correspondence to Isiaka A. Alimi.

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Special Issue "Future Tele Infrastructure for Multi-sensory Devices (FIND)".

Guest editors: Professor Ramjee Prasad (ramjee@btech.au.dk) Professor Marina Ruggieri (ruggieri@uniroma2.it).

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Alimi, I.A., Monteiro, P.P. & Teixeira, A.L. Outage Probability of Multiuser Mixed RF/FSO Relay Schemes for Heterogeneous Cloud Radio Access Networks (H-CRANs). Wireless Pers Commun 95, 27–41 (2017). https://doi.org/10.1007/s11277-017-4413-y

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