Hybrid fiber-wireless (FiWi) access networks that leverage on the respective strengths of optical and wireless technologies and converge them seamlessly. FiWi networks become rapidly mature and give rise to new powerful access network solutions and paradigms.We overview on the state of the art, enabling technologies, and future developments of wireless and optical access networks, respectively, paying particular attention to wireless mesh networks and fiber to the home networks.Several recently proposed FiWi architectures like RoF and R&F based on different optical network topologies and WiFi technology are described. Finally, future researches and technological challenges towards the realization and commercial adoption of future FiWi access networks are identified.

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