Communication system providing hybrid optical/wireless...

H - Electricity – 04 – B

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H04B 10/00 (2006.01) H04B 7/26 (2006.01) H04B 10/12 (2006.01) H04L 12/28 (2006.01) H04Q 7/20 (2006.01)

Patent

CA 2500459

A communication system (10) includes at least one optical-wireless device (12) coupled to a longitudinal side of an optical fiber (11). The optical-wireless device (12) may include an optical fiber power unit (20) for converting optical power into electrical power, and a wireless communication unit (25) electrically powered by the optical fiber power unit. The optical-wireless device (12) may include a substrate (19, 43) mounting the optical fiber power unit (20) and the wireless communication unit (25) to the longitudinal side of the optical fiber (11). The wireless communication unit (25) may include a radio frequency transmitter (27), and a signal optical grating (22) coupling the transmitter to the longitudinal side of the optical fiber (11). The radio frequency transmitter (27) in some embodiments may include an ultra-wideband transmitter. A dipole antenna (34) may also be provided including first and second portions (34a, 34b) extending in opposite directions along the longitudinal side of the optical fiber (11).

L'invention concerne un système de communications (10) qui comprend au moins un dispositif optique-hertzien (12) couplé à un côté longitudinal de fibre optique (11). Le dispositif (12) peut comprendre une petite unité de puissance en fibre optique (20) pour la conversion de puissance optique en énergie électrique, et une unité de communication hertzienne (25) alimentée par cette unité. Le dispositif (12) peut comprend un substrat (19, 43) pour le montage des deux unités (20) et (25) sur le côté longitudinal de fibre optique (11). L'unité de communication hertzienne (25) peut comprendre un émetteur radioélectrique (27), et un réseau optique de signaux (22) couplant l'émetteur au côté longitudinal de fibre optique (11). Selon certaines variantes, l'émetteur (27) peut comporter un émetteur à bande ultra-large. Une antenne dipole (34) peut également être prévue, comprenant des première et seconde parties (34a, 34b) qui s'étendent dans des directions opposées le long du côté longitudinal de fibre optique (11).

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