Title :
A Study on Unrepeatered Distributed Antenna Method with Convex Mirrors for Radio on Free Space Optics System
Author :
Fukumoto, Naoki ; Murakoshi, Akihiko ; Tsukamoto, Katsutoshi ; Komaki, Shozo
Author_Institution :
Department of Electrical, Electronic and Information Engineering, Graduate School of Engineering, Osaka University Yamada-oka 2-1, Suita-shi, Osaka, 565-0871 Japan E-mail: f-naoki@roms.comm.eng.osaka-u.ac.jp
Abstract :
RoFSO (Radio on Free Space Optics) system is a system to confine several radio signals in an optical wireless signal as RF subcarriers, and transmits them to air. This system can transmit radio signals through the air without using RF wave and construct virtual free radio frequency space. However, if the optical wireless link is interrupted with the obstacle, the shadowing will deteriorate the signal quality. Hence this paper proposes a method to establish virtual distributed antenna system using convex mirrors. Computer simulation shows that shadowing problem is solved and the received signal quality at a mobile terminal can be improved compared with the single antenna method.
Keywords :
Radio on Fiber (RoF); Radio on Free Space Optics (RoFSO); convex mirror; indoor optical wireless communication system; unrepeatered distributed antenna system; Computer simulation; Mirrors; Mobile antennas; Mobile computing; RF signals; Radio frequency; Receiving antennas; Shadow mapping; Radio on Fiber (RoF); Radio on Free Space Optics (RoFSO); convex mirror; indoor optical wireless communication system; unrepeatered distributed antenna system;
Conference_Titel :
Microwave Photonics, 2005. MWP 2005. International Topical Meeting on
Print_ISBN :
89-950043-3-9
DOI :
10.1109/MWP.2005.203570
