Free-space optical technology and distribution architecture for broadband metro and local services

J. P. Dodley; David M. Britz; D. J. Bowen; Carl W. Lundgren

doi:10.1117/12.417498

6 February 2001 Free-space optical technology and distribution architecture for broadband metro and local services

J. P. Dodley, David M. Britz, D. J. Bowen, Carl W. Lundgren

Proceedings Volume 4214, Optical Wireless Communications III; (2001) https://doi.org/10.1117/12.417498
Event: Information Technologies 2000, 2000, Boston, MA, United States

Abstract

12 This paper addresses the hardware and operational requirements for broadband metro and local services using line of sight wireless Free Space Optical Communication (FSOC) optical links. The primary considerations for successful optical wireless service provisions include link availability, type of service and integration into existing fiber optic networks. A comprehensive link analysis for broadband access services is presented. This paper addresses FSOC critical atmospheric transmission impairments and describes one possible FSOC/network fiber optic interface and routing scenario. This paper will also detail methods to restor FSOC service links that have failed due to atmospheric impairments. This paper will detail the use of secondary radio (mm wave or ISM band radio) link architectures to provide critical transmission back-up for data, emergency and voice call services. An FSOC back-up link for existing millimeter-wave radio local services is also discussed. A co-operative network of FSOC links is discussed for achieving availability requirements for metro and local distribution services. This paper also describes one possible rooftop routing scenario using optical cross- connect architectures located at each node of the local FSOC access network. Rooftop routing will utilize the technology flexibility and system redundancy described above to provide high `five nines' metro service availability. This paper will also describe a proposed FSOC test installation to study link architectures, performance of such links, and vendor product interface and evaluation.

Citation Download Citation

J. P. Dodley, David M. Britz, D. J. Bowen, and Carl W. Lundgren "Free-space optical technology and distribution architecture for broadband metro and local services", Proc. SPIE 4214, Optical Wireless Communications III, (6 February 2001); https://doi.org/10.1117/12.417498

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