The case for free space

Katsutoshi Tsukamoto, Akira Hashimoto, Yuji Aburakawa, Mitsuji Matsumoto

Research output: Contribution to journalArticle

30 Citations (Scopus)

Abstract

Free space optical links (FSOL) applications have been considered as a potential medium to provide short range links using simple and compact equipment. The development of radio on free-space optical links (RoFSOLs) has also proved effective as a short link. In RoFSOLs, some radio on fiber signals are directly transmitted from an optical fiber into air. This can provide a free-space link for various types of wireless services in an optical wireless beam similar to RoF. RoFSOLs can provide another method to extend mobile network infrastructure, where radio signals from a base station analog-modulate an optical signal at a radio-to-optical signal converter (R/O) using a laser diode or a optical external modulator. RoFSOLs without fiber or a combination of RoF and RoFSOLs are suitable for universal backhaul link and a universal access point for heterogeneous wireless services. RoFSOLs, in combination with WDM technology, can provide shared backhaul for flexible deployment of various wireless services operating in different radio frequency bands.

Original languageEnglish
Article number5185528
Pages (from-to)84-92
Number of pages9
JournalIEEE Microwave Magazine
Volume10
Issue number5
DOIs
Publication statusPublished - 2009 Aug

Fingerprint

Optical links
Telecommunication links
optical communication
radio signals
fibers
Fibers
converters
Light modulators
modulators
radio frequencies
Wavelength division multiplexing
stations
optical fibers
semiconductor lasers
Base stations
Frequency bands
analogs
Semiconductor lasers
Optical fibers
Wireless networks

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Radiation
  • Condensed Matter Physics

Cite this

Tsukamoto, K., Hashimoto, A., Aburakawa, Y., & Matsumoto, M. (2009). The case for free space. IEEE Microwave Magazine, 10(5), 84-92. [5185528]. https://doi.org/10.1109/MMM.2009.933086

The case for free space. / Tsukamoto, Katsutoshi; Hashimoto, Akira; Aburakawa, Yuji; Matsumoto, Mitsuji.

In: IEEE Microwave Magazine, Vol. 10, No. 5, 5185528, 08.2009, p. 84-92.

Research output: Contribution to journalArticle

Tsukamoto, K, Hashimoto, A, Aburakawa, Y & Matsumoto, M 2009, 'The case for free space', IEEE Microwave Magazine, vol. 10, no. 5, 5185528, pp. 84-92. https://doi.org/10.1109/MMM.2009.933086
Tsukamoto K, Hashimoto A, Aburakawa Y, Matsumoto M. The case for free space. IEEE Microwave Magazine. 2009 Aug;10(5):84-92. 5185528. https://doi.org/10.1109/MMM.2009.933086
Tsukamoto, Katsutoshi ; Hashimoto, Akira ; Aburakawa, Yuji ; Matsumoto, Mitsuji. / The case for free space. In: IEEE Microwave Magazine. 2009 ; Vol. 10, No. 5. pp. 84-92.
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