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Providing quality of service (QoS) guarantees in packet networks gives rise to several challenging issues. One of them is how to determine a feasible path that satisfies a set of constraints. Multi-constrained QoS routing finds a feasible route in the network that satisfies multiple independent constraints. In general, multi-constrained path selection is a(More)
The free-space ultraviolet Non-Line-Of-Sight communication system has become a hot research topic in the field of wireless communication system for its safety and efficiency. To study the feature of UVNLOS communication system, according to the classic Mie scattering theory, the single-scattering atmospheric channel model and the multi-scattering(More)
For the purpose of deterring unauthorized duplication and distribution of multimedia contents in e-commerce, some Buyer-seller watermarking protocols which combine of traditional watermarking and fingerprinting techniques have been proposed. However, previous protocols have potential risk from trust third party (TTP) because all entities (including(More)
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