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In recent years, considerable attention has been devoted to the merging of Radio over Fiber (RoF) technologies with millimeter-wave-band signal distribution. This type of system has great potential to support secure, cost-effective coverage and high-capacity vehicular/mobile/wireless access for the future provisioning of broadband, interactive, and multimedia services. In this chapter, the authors present an overview of an RoF access networks in the context of in-vehicle networks, with special attention to the figures of merit of the system and the basic enabling technologies for downlink/uplink transmission in the RoF land network, which is divided in three main subsystems: Central Station (CS), Optical Distribution Network (ODN) and Base Station (BS). The chapter first reviews the up-conversion techniques from baseband to mm-waves at the CS, and then the different BS configurations. The work finally applies these concepts to the development of an access network proposal for in-vehicle wireless application.

Radio over Fiber (RoF) systems have emerged as a cost effective solution for future multigigabit wireless networks operating at millimeter wave (mm-wave) bands. Such networks are composed of three subsystems: a central station, an optical distribution network, and several remote base stations. The design of an RoF land access network is a very knowledge-rich domain, due to the particularities and complexity of each network subsystem and their interrelation, as well as the fast evolution of the art. This paper presents a design framework to support engineers in the conceptual and preliminary design of a mm-wave frequency RoF broadband access network. The design methodology is validated in a case study of an in-vehicle RoF system for specific capacity and cost requirements.

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