Performance Analysis of ARQ-Based RF-FSO Links

Behrooz Makki, Tommy Svensson, Thomas Eriksson, Mohamed-Slim Alouini

Research output: Contribution to journalArticlepeer-review

6 Scopus citations


We study the performance of hybrid radio-frequency (RF) and free-space optical (FSO) links using automatic repeat request (ARQ). We derive closed-form expressions for the throughput and outage probability with different channel models. We also evaluate the effect of adaptive power allocation between the ARQ retransmissions on the system performance. The results show that joint implementation of the RF and FSO links leads to substantial performance improvement, compared to the cases with only the RF or the FSO link.
Original languageEnglish (US)
Pages (from-to)1253-1256
Number of pages4
JournalIEEE Communications Letters
Issue number6
StatePublished - Feb 22 2017


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