无线测量网络时延抖动快速收敛的测量  

Measuring algorithm of wireless measuring networks based on fast constringency of delay jitter

作　　者：王雪飞[1] 

机构地区：[1]黄山学院现代教育技术中心,安徽黄山245011

出　　处：《传感器世界》2013年第7期19-26,共8页Sensor World

基　　金：安徽省教育厅自然基金项目(项目编号:kj2011b163)

摘　　要：WSN组成的测量网络,利用本地短时延降低采样数据与误差精度形成过程的时间,使测量与网络性能变化无关。文中采用具有地理信息特征的GEAR路由改良算法,在优化测量目标区域QoS基础上,依靠平滑误差与测量误差形成测量值生成算法;引入LQI对GEAR的路径选择优化,稳定时延、降低时延抖动提高测量网络数据传输质量,使测量相对误差只与数据采集设备相关。算法在民居测量网络与草堆发酵参数测量网络中得到了证实,仿真也验证了测量网络具有低抖动时延与低的丢包率。The measuring networks constructed by wirelesssensor networks always use local short delay to reduce the time of data sampling and error precision form, which makes the measurement irrelevant to network performance With improved LQI_GEAR routing algorithm which has characteristics of spatial information, the algorithm is formed depending on the smoothing en＇or and measuring error based on optimization of QoS of measuring areas LQI is imported to optimize the path of GEAR,stabilize delay and reduce the delay jitter, to improve the transmission quality of measuring networks ,so that the relative error only has concern with data acquisition devices. The algorithm is proved in a residence and a haystack ferlnentation measuring networks, The simulation also confirms that the measuring network has low delay jitter and low packet- loss rate

关 键 词：测量算法 GEAR 链路质量 时延抖动 平滑误差 

分 类 号：TP212.9[自动化与计算机技术—检测技术与自动化装置] TN929.5[自动化与计算机技术—控制科学与工程]