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中文摘要：
针对多种类型数据具有不同传输质量需求的信息采集应用，提出了一种自适应的数据收集机制。每个节点关联一个持续变化的“转发概率”参数，每个消息关联一个动态调整的“重要因子”参数，这2个参数自适应确定消息在网络中的复制次数，使数据收集机制既能满足数据传输性能的要求，又具有小的网络开销。模拟实验结果验证了该收集机制在传输性能和网络开销之间达到很好折衷。
英文摘要：
An adaptive data gathering scheme was proposed for the application which different transmission quality was needed for different kinds of data. In the scheme, every sensor was associated with a forwarding probability parameter; every message was associated with an importance factor parameter. The two parameters determined adaptively the count of replication of a message, while meeting the transmission quality requirement and minimizing the network overhead. Experiment results show that the proposed data gathering scheme can achieve the tradeoff between transmission performance and network overhead.
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