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中文摘要：
机会网络的拓扑结构具有较强的时变性,节点间的关系较为复杂,难以用传统的数学模型进行描述。提出了一种带有模糊控制的数据转发控制策略,利用模糊系统理论根据多维状态参数评估节点之间的关系强度,结合状态感知和专业经验进行数据转发控制,有效避免了数据转发过程中的盲目性。数值仿真结果表明,所提出的策略能够在不明显增加网络投递开销的同时,提高数据投递成功率并降低投递延时。
英文摘要：
The topology of opportunistic network has strong time-varying characteristic and the relationship between nodes is too complex to be depicted by the traditional mathematical model. Employing the principals of the fuzzy system, a packet forwarding strategy with fuzzy control is proposed to dynamically evaluate the rela- tionship strength between nodes according to multi dimensional status parameters, control the packet forward- ing according to the perceived network status and professional experience, and effectively avoid the blindness of packet forwarding. The numerical simulation results show that the proposed strategy can dramatically improve the delivery ratio and reduce the delivery delay, while slightly increase the delivery overhead.
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