Radio-over-fiber technologies for high data rate wireless applications

Authors:
Anthony Ng'oma;Michael Sauer
Affiliations:
Science and Technology Division, Corning Incorporated, NY;Science and Technology Division, Corning Incorporated, NY
Venue:
SARNOFF'09 Proceedings of the 32nd international conference on Sarnoff symposium
Year:
2009

Citing 4
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Abstract

The paper discusses two approaches for increasing data throughput needed for the delivery of bandwidth-hungry services to wireless users. Small radio cells are a stopgap solution for dealing with today's capacity-limited wireless systems. However, the ultimate path towards wireless communication at gigabit-per-second data rates is millimeter-wave frequencies such as 60 GHz. We discuss the benefits of using radio-over-fiber (RoF) technologies to feed the high-density of remote antenna units present in small-cell wireless systems operating at either low frequencies or mm-wave-frequencies. We investigate the performance of a simple 60 GHz RoF link transmitting 4 Gbps (single carrier), and show that the severe impact of ripples in the link response can be minimized by using simple linear feed-forward equalization, resulting in tremendous system performance improvement. We further demonstrate the use of a RoF system to generate a 7 Gbps QPSK-modulated 60 GHz signal.