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- Title
Performance Analysis of Hard-Switching Based Hybrid FSO/RF System over Turbulence Channels.
- Authors
Khalid, Hira; Muhammad, Sajid Sheikh; Nistazakis, Hector E.; Tombras, George S.
- Abstract
The hybrid system of free space optic (FSO) and radio frequency (RF) has come forth as alternative good solution for increasing demand for high data rates in wireless communication networks. In this paper, wireless networks with hard-switching between FSO and RF link are analyzed, assuming that at a certain time point either one of the two links are active, with FSO link having higher priority. As the signal-to-noise ratio (SNR) of FSO link falls below a certain selected threshold, the RF link is activated. In this work, it is assumed that the FSO link follows Gamma-Gamma fading due to the atmospheric turbulence effect whereas RF link experiences Rayleigh fading. To analyze the proposed hybrid model, analytical expressions are derived for the outage probability, bit error rate and ergodic capacity. A numerical comparison is also done between the performances of the proposed hybrid FSO/RF model and the single FSO model.
- Subjects
RADIO frequency; ATMOSPHERIC turbulence; TURBULENCE; HYBRID systems; FREE-space optical technology; WIRELESS communications
- Publication
Computation, 2019, Vol 7, Issue 2, p28
- ISSN
2079-3197
- Publication type
Academic Journal
- DOI
10.3390/computation7020028