Grid Reconfigurable Optical-Wireless Architecture for Large Scale Municipal Mesh Access Network

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This paper presents a novel hierarchical and Grid based Reconfigurable Optical-Wireless Network (GROW-Net) architecture. GROW-Net supports scalable and flexible integration of a large scale wireless mesh network in a municipal environment. Under the GROW-Net architecture, a joint evolution strategy is proposed to allow graceful upgrades in both optical backbone and wireless mesh network. To alleviate the known throughput bottleneck in mesh networks, a capacity enhancing technique based on flexible cell-splitting is proposed. The technique allocates wavelength resources to unutilized dark fibers using the unique structure of GROWNet's reconfigurable and colorless access gateways.