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中文摘要：
中继节点的选择将直接影响机会网络的数据转发性能．对此提出一种带有投递概率感知的低开销机会网络路由机制．利用节点问的间接相遇时间间隔估计间接相遇概率，并结合直接相遇概率预测节点问的综合相遇概率，进而合理地选择中继节点，以极低开销的方式转发数据．结果表明，在数据传输过程中，所提出机制的负载率平均降低了64．9％．
英文摘要：
The selection of relay node will directly affect the data forwarding performance of opportunity network. Therefore the cost-efficient routing mechanism with delivery probability perception （DPP- CERM） in opportunistic networks is proposed. The probability of comprehensive encounter between nodes by combining the probability of direct encounter and indirect encounter is estimated and evaluated by in- direct inter-meeting time between nodes. The relay node reasonably and forward data with very lower cost were chosen thereafter. It is shown that DPP-CERM can reduce the average overhead ratio of data for- warding at least 64.9%.
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