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Phased Array Antenna Beam Steering Scheme for Future Wireless Access Systems Using Radio-over-Fiber Technique
Masayuki OISHI Yoshihiro NISHIKAWA Kosuke NISHIMURA Keiji TANAKA Shigeyuki AKIBA Jiro HIROKAWA Makoto ANDO
IEICE TRANSACTIONS on Communications
Publication Date: 2014/07/01
Online ISSN: 1745-1345
Type of Manuscript: Special Section PAPER (Joint Special Section on Opto-electronics and Communications for Future Optical Network)
radio-over-fiber, chromatic dispersion, phased array antenna, beam steering, millimeter-wave band,
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This paper proposes a simple and practical scheme to decide the direction of a phased array antenna beam in wireless access systems using Radio-over-Fiber (RoF) technique. The feasibility of the proposed scheme is confirmed by the optical and wireless transmission experiments using 2GHz RoF signals. In addition, two-dimensional steering operation in the millimeter-wave band is demonstrated for targeting future high-speed wireless communication systems. The required system parameters for practical use are also provided by investigating the induced transmission penalties. The proposed detection scheme is applicable to two-dimensional antenna beam steering in the millimeter-wave band by properly designing the fiber length and wavelength variable range.