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| 1 | 节点状态感知的延迟容忍网络拥塞控制策略显示文摘为了有效提高延迟容忍网络中的数据传输效率,节点普遍采用多副本方式转发数据,然而此种方式将造成网络中冗余数据增多,导致网络拥塞.本文提出了一种带有节点状态感知的拥塞控制策略,根据运动过程中所获知的相关历史信息,节点以直接获取及间接推荐的方式准确地感知网络中各个节点的拥塞状态,进而以分布式的方式动态地为数据选择中继节点,达到更加合理地利用有限的网络资源的目的.结果表明所提出的拥塞控制能有效地改善数据成功投递概率和网络负载率. | 吴大鹏 傅象玖 张洪沛 王汝言 | 2016 | 电子学报2016，44，1： | 6 |
| 2 | An Optimization Forwarding Range Routing Protocol for VANET in City Environments显示文摘In city environment, the vehicle communication is affected by the around obstacles due to the especial condition of wireless channels. However, most of prior works adopt the fixed radio range value of vehicles to transmit packets. In this paper, we design an optimization forwarding range routing protocol for VANET in urban area.It has an optimized and adjustable forwarding range, which changes with different environments based on the path loss and the city model. And the proposed geo-routing protocol has a novel idea in computing the connectivity of roads and the adjustable strategy in a sparse network. Simulation results indicate that the OFRR enjoys desirable performance in the urban area. | LI Xiaoqing LI Hui YANG Kai LIU Qiao | 2014 | Chinese Journal of Electronics2014，23，1： | 3 |
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