重庆邮电大学学报（自然科学版）2018，Vol.30Issue(1)：127-133,7.DOI:10.3979/j.issn.1673-825X.2018.01.016
无线电环境地图的冗余感知数据删除技术研究
Redundant sensed data deletion technology of radio environment map
摘要
Abstract
Mobile crowd sensing (MCS) has good application prospects in the data collection system of radio environment map (REM) due to its obvious advantages.However,due to the temporal and spatial correlation characteristics of mobile crowd sensing,there is a lot of redundancy in the sensed data,which results in low efficiency of data storage and large consumption of transmission bandwidth.To deal with the problem,a redundancy data deletion technology for REM based on the synthesized difference degree of sensed data is proposed.The synthesized difference degree of sensed data is calculated in proposed technology for redundancy check and deletion in REM.To demonstrate the validity of the proposed technology in this paper,we conducted experiments compared with the existing data deduplication technology.The experiment results show that compared with the existing data deduplication technology,the proposed technology significantly improves the storage efficiency and reduces the bandwidth consumption while maintaining the data integrity.关键词
移动群智感知/无线电环境地图/时空相关性/冗余数据/综合差异度Key words
mobile crowd sensing/radio environment map/spatiotemporal correlation/redundant data/synthesized difference degree分类
信息技术与安全科学引用本文复制引用
刘媛妮,黎北河,苏飞,赵国锋,关鑫,段洁..无线电环境地图的冗余感知数据删除技术研究[J].重庆邮电大学学报（自然科学版）,2018,30(1):127-133,7.基金项目
国家自然科学基金(61501075) （61501075）
重庆市科学技术委员会项目(cstc2016jcyjA0560)The National Natural Science Foundation of China (61501075) （cstc2016jcyjA0560）
The Foundation for Sci & Tech Research Project of Chongqing(cstc2016jcyjA0560) （cstc2016jcyjA0560）
