通信学报
通信學報
통신학보
JOURNAL OF CHINA INSTITUTE OF COMMUNICATIONS
2013年
7期
174-183
,共10页
付彬%李仁发%肖雄仁%黄亚薇
付彬%李仁髮%肖雄仁%黃亞薇
부빈%리인발%초웅인%황아미
移动传感器网络%容迟网络%数据传输%社团结构%多副本转发
移動傳感器網絡%容遲網絡%數據傳輸%社糰結構%多副本轉髮
이동전감기망락%용지망락%수거전수%사단결구%다부본전발
mobile sensor network%delay/disruption tolerant network%data delivery%community structure%multi-copied delivery
在社团结构网络模型下,建立社团间多副本数据转发策略的传输概率模型,提出一种基于社团结构的多副本数据传输(CMDD)策略。CMDD策略动态计算社团间移动节点的平均相遇间隔时间,并根据传输概率模型估算借助该社团分发副本可获得的成功传输概率。模拟实验表明,CMDD策略能以较低的传输延迟和较低的传输开销获得较高的数据传输成功率。
在社糰結構網絡模型下,建立社糰間多副本數據轉髮策略的傳輸概率模型,提齣一種基于社糰結構的多副本數據傳輸(CMDD)策略。CMDD策略動態計算社糰間移動節點的平均相遇間隔時間,併根據傳輸概率模型估算藉助該社糰分髮副本可穫得的成功傳輸概率。模擬實驗錶明,CMDD策略能以較低的傳輸延遲和較低的傳輸開銷穫得較高的數據傳輸成功率。
재사단결구망락모형하,건립사단간다부본수거전발책략적전수개솔모형,제출일충기우사단결구적다부본수거전수(CMDD)책략。CMDD책략동태계산사단간이동절점적평균상우간격시간,병근거전수개솔모형고산차조해사단분발부본가획득적성공전수개솔。모의실험표명,CMDD책략능이교저적전수연지화교저적전수개소획득교고적수거전수성공솔。
The characteristics of community structure have effect on the data transmission procedure of delay tolerant mobile sensor network. Under the community network model, data delivery probabilities of multi-copied delivery were deduced. A community based multi-copy data delivery (CMDD) scheme was also proposed. By dynamically computing the average inter-meeting time between the communities and using the delivery probability formulations, the scheme can estimate the delivery probability when data are delivered through such community. Simulation results show that the pro-posed CMDD scheme achieves a relatively high data delivery ratio and a lower message delivery latency and transmis-sion overhead.