<div style="text-align:center"> <h1>Call for Papers: Radio-over-Optical-Fiber Networks</h1> <h2>Feature Editors</h2> <h3>Jianjun Yu, <i>Associate Editor</i><br/> Gee-Kung Chang, Ton Koonen, Georgios Ellinas, <i>Guest Editor</i> </h3> <p style="color:darkred">Submission Deadline: 1 September 2008</p> </div> <br/> <p>Over the past few years, traffic patterns in access networks have been propelled to the broadband evolution from voice- and text-based services to video-based interactive and multimedia services due to the continuing remarkable growth of the Internet. By the estimations, 50% of the revenues of large telephone companies will be based on video services in 2010. In addition to the high-speed, symmetric, and guaranteed bandwidth demands for future video services, the next-generation access networks are driving the needs for the convergence of wired and wireless services to offer end users greater choice, convenience, and variety in an efficient way. This scenario will require the delivery of voice, data, and video services with mobility features to serve both fixed and mobile users in a unified networking platform. To offer integrated broadband services, these systems will need to offer higher data transmission capacities well beyond the present-day standards of wireless systems. Wireless LAN (IEEE802.11a/b/g), offering up to 54 Mbits/s and operating at 2.4 and 5 GHz, and 3G mobile networks (IMT2000/UMTS), offering up to 2 Mbits/s and operating around 2 GHz, are some of today's main wireless standards. IEEE802.16 or WiMAX is another recent standard aiming to bridge the last mile through mobile and fixed wireless access to the end user at frequencies between 2 and 66 GHz. The need for increased capacity per unit area leads to higher operating frequencies (greater than 6 GHz) and smaller radio cells, especially in indoor applications where the high operating frequencies encounter tremendously high losses through the building walls. To reduce the system installation and maintenance costs of such systems, it is imperative to make the radio antenna units as simple as possible. This may be achieved by consolidating signal processing functions at a centralized head end through radio-over-fiber technology.</p> <p>To make full use of the huge bandwidth and connectivity offered by fiber and the mobile features presented via wireless links, the integration of wireless and optical networks is a potential solution for increasing the capacity and mobility, as well as decreasing the costs, in an access network. Thus, future broadband access networks based on radio-over-fiber technologies come into play and have emerged as an affordable alternative solution in environments such as conference centers, airports, hotels, shopping malls, and ultimately homes and small offices. It has been expected that the millimeter-wave (mm-wave) bands would be utilized to meet the requirement for higher signal bandwidth and to overcome the frequency congestion in the future optical–wireless access networks. In this situation, it is necessary to minimize the cost of the base station (BS) and to shift the system complexity and expensive devices to the central office (CO) because the BS picocell has small coverage due to high atmospheric attenuation in the mm-wave band. At the CO, the optical mm-wave signals are generated and mixed by use of cost-efficient all-optical approaches. Optical networking technologies are leveraged to reach the longer transmission distance over a single-mode fiber (SMF) and to integrate with the WDM passive optical network (PON) between the BS and CO.</p> <p>The Journal of Optical Networking (JON) is soliciting papers for a Feature Issue addressing all aspects of enabling technologies, architectures, and system design for radio-over-fiber networks. The topics of this feature issue include, but are not limited to, the following: </p> <ul> <li>Enabling techniques for radio-over-fiber networks</li> <li>Novel architecture for radio-over-fiber networks</li> <li>Quality of service in radio-over-fiber networks</li> <li>Ultrawideband home networking via radio-over-fiber networks</li> <li>Enabling techniques for microwave photonics</li> <li>Optical wireless system integration techniques</li> <li>Wireless services delivery through broadband optical access networks including WDM PON and time-division multiplexing (TDM) PON techniques</li> <li>Orthogonal frequency-division multiplexing (OFDM) techniques for radio-over-fiber networks</li> <li>Radio-over-free-space-optics architectures</li> <li>Hand-off and mobility issues for wireless over fiber services</li> <li>Emerging applications and solutions for IPTV and HDTV over optical wireless networks</li> <li>Wired–wireless system interface, system integration, and operational requirements</li> <li>Network protocol and admission control algorithms for radio-over-fiber networks</li> <li>Network control and management for radio-over-fiber networks</li> <li>Protection and restoration in radio-over-fiber networks</li> <li>WiFi, WiMAX, and WiMedia for optical wireless access networks</li> <li>High-performance and low-cost optical and rf components for radio-over-fiber networks</li> </ul> <p> To submit to this special issue, follow the normal procedure for submission to JON, indicating "Feature Issue: ROF" in the "Comments" field of the online submission form. For all other questions relating to this feature issue, please send an e-mail to jon@osa.org, subject line "Feature Issue: ROF."</p> <p>Additional information can be found on the JON website: <a href="http://www.osa-jon.org/journal/jon/author.cfm">http://www.osa-jon.org/journal/jon/author.cfm</a>. </p> <p> <i>Submission Deadline: 1 September 2008</i></p>

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