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The convergence of EPON and WiMAX is one promising solution for Fiber Wireless access network, QoS is an important technical issue for hybrid access network. We propose a novel QoS scheme of EPON and WiMAX integrated network based on unified QoS management which has been implemented and proved its effectiveness.
There has been growing interest in transmitting synchronization information over OTN. A novel scheme is proposed in the paper for this purpose. In order to support precise time synchronization information transfer over OTN, the proposed scheme designs the new overhead, equipment function architectures and interworking mechanism of synchronization message for OTN.
It is important to support the multicast in the OTN network since multicast services are becoming more popular and multicasting will result in the improvement of resource utilization rate. To support multicast in a cost-effective way, the multicast of OTN should be realized in electronic domain based on ODU-level rather than optical domain in our point of view. In order to implement multicast routing...
This article proposes a heuristic based PON network planning solution which gives multi-hierarchy planning and fiber routing optimization to save the overall cost. It is simulated to be feasible.
In transparent WSON (wavelength switched optical networks), signals are switched optically and propagate thousands of kilometers without electrical regeneration. Over such distances, physical impairments, such as crosstalk, ASE noise and so on, can accumulate along the path and lead to signal quality degradation. If the admission of a lightpath will either cause its BER to be too high, or sufficiently...
A novel network reliability model (weighted reliability model) which is more suitable for passive optical networks (PON) is represented in this paper. Due to the point to multi-point architecture of PON, failures in different positions have different effects on the network and this should be measured in network reliability. The weighted reliability model reflects the amount of disruption caused by...
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