Remote access unit and radio-over-fiber network using same. Jae-Hoon Lee, Seong-taek Hwang, Byung-Jik Kim, Gyu-Woong Lee, Hoon Kim, Sang-Ho Kim, Yong-Gyoo Kim, Sung-Kee Kim, & Han-Lim Lee February 2010.
Remote access unit and radio-over-fiber network using same [link]Paper  abstract   bibtex   
A remote access unit (RAU) apparatus, coupled to a central station (CS) of an RoF network through at least one optical fiber, and which RAU apparatus includes at least one antenna, includes: first and second antenna ports coupled to the at least one antenna; first and second optical fiber ports coupled to the at least one optical fiber; a first coupler for decoupling a first downstream signal of a first duplexing method and a second downstream signal of a second duplexing method, which are input through the first optical fiber port; a circulator for outputting the first downstream signal input from the first coupler to the first antenna port and outputting a first upstream signal of the first duplexing method input from the first antenna port to the second optical fiber port; and a second coupler for outputting the second downstream signal input from the first coupler to the second antenna port and outputting a second upstream signal of the second duplexing method input from the second antenna port to the second optical fiber port.
@patent{jae-hoon_lee_remote_2010,
	title = {Remote access unit and radio-over-fiber network using same},
	url = {https://patents.google.com/patent/US7660531B2/en},
	abstract = {A remote access unit (RAU) apparatus, coupled to a central station (CS) of an RoF network through at least one optical fiber, and which RAU apparatus includes at least one antenna, includes: first and second antenna ports coupled to the at least one antenna; first and second optical fiber ports coupled to the at least one optical fiber; a first coupler for decoupling a first downstream signal of a first duplexing method and a second downstream signal of a second duplexing method, which are input through the first optical fiber port; a circulator for outputting the first downstream signal input from the first coupler to the first antenna port and outputting a first upstream signal of the first duplexing method input from the first antenna port to the second optical fiber port; and a second coupler for outputting the second downstream signal input from the first coupler to the second antenna port and outputting a second upstream signal of the second duplexing method input from the second antenna port to the second optical fiber port.},
	nationality = {US},
	language = {en},
	assignee = {Samsung Electronics Co Ltd},
	number = {US7660531B2},
	urldate = {2018-10-26},
	author = {{Jae-Hoon Lee} and {Seong-taek Hwang} and {Byung-Jik Kim} and {Gyu-Woong Lee} and {Hoon Kim} and {Sang-Ho Kim} and {Yong-Gyoo Kim} and {Sung-Kee Kim} and {Han-Lim Lee}},
	month = feb,
	year = {2010},
	keywords = {optical fiber, optical, coupled, coupler, upstream},
	annote = {Classifications
H04B10/25758: Optical arrangements for wireless networks between a central unit and a single remote unit by means of an optical fibre},
	file = {Fulltext PDF:D\:\\Zotero\\storage\\J79PMKZM\\Lee et al. - 2010 - Remote access unit and radio-over-fiber network us.pdf:application/pdf}
}
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