摘要
基于城市环境下车载自组织网络的特点,提出基于地理位置的VENET可靠路由协议GCRR。充分利用电子地图等提供的信息,通过道路的车流密度和车流量的关系计算道路权重,进而排序出有效的数据转发路径,并根据节点的移动方向和移动速度,并采用扩展的贪心转发策略,从而实现数据的高效可靠传输。仿真实验验证GCRR算法的性能优于经典算法GPSR和GSR。
Abstract
Based on the characteristics of the urban environment in VENETs network, proposes a new algorithm GCRR. Makes full use of the elec-tronic map of road traffic density and the relationship based on the weight of the road. Sorts out the effective data forwarding path, and ac-cording to the moving direction and speed of mobile node, uses the extension of greedy forwarding strategy, so as to realize the high effi-cient and reliable transmission of data. Simulation shows the performance of GCRR algorithm is superior to the classic algorithms of GP-SR and GSR.