Optical time slot interchanger apparatus and method of...

Details Optical time slot interchanger apparatus and method of... Optical time slot interchanger apparatus and method of...

H - Electricity

04

B

H04B 10/12 (2006.01) G02B 6/28 (2006.01) H04Q 3/52 (2006.01) H04Q 11/00 (2006.01) G02B 6/34 (2006.01)

Patent

CA 2138827

An Optical Time Slot Interchange (OTSI) Apparatus that has relatively low optical fiber requirements and good attenuation and signal-to-noise characteristics. This OTSI uses parallel feedback (PFB) to provide the delays. This PFB OTSI can be implemented with an nxn optical crossbar switch. The PFB OTSI is conditionally, i.e., rearrangeably, non-blocking for 16x16 crossbar switch implementations if a controller using the control method of the invention is also included.

Dispositif de permutation de créneau temporel optique (OTSI) ayant des exigences relativement faibles du point de vue des fibres optiques, et présentant de bonnes caractéristiques d'affaiblissement et de rapport signal-bruit. L'OTSI utilise la rétroaction parallèle (PFB) pour produire les retards. L'OTSI à PFB peut être réalisée au moyen d'un commutateur crossbar optique nxn. Elle peut être remaniée de façon à être non bloquante pour des réalisations à commutateur crossbar 16x16 si un contrôleur utilisant la méthode de commande de l'invention est également inclus.

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