计算机应用研究2012，Vol.29Issue(3)：907-909,3.DOI:10.3969/j.issn.1001-3695.2012.03.029
动态帧时隙ALOHA算法的改进
Improve of dynamic framed slotted ALOHA algorithm
摘要
Abstract
When using the dynamic framed slotted ALOHA algorithm, the defect is that the necessary time slot increases too fast with the increase of tags. But in reality, the time slot cannot increase indefinitely due to the hardware restraint. To make it better, this paper proposed three improved aspects as follows. First, it used hash function to distribute the time slot to different tags. Then, it used three-dimensional method to estimate the amount of tags in order to adjust the length of frame for next cycle. After adjustment it could be best resulted when the frame length was 1. 7 times of the amount of tags. The experiment result shows that with the same amount of tags, this algorithm interpreted in this article uses the least time slots.关键词
动态帧时隙ALOHA/时隙分配/标签估计/帧长Key words
dynamic framed slotted ALOHA/ slot assignment/ tag estimation/ frame length分类
信息技术与安全科学引用本文复制引用
郭志涛,程林林,周艳聪,顾军华..动态帧时隙ALOHA算法的改进[J].计算机应用研究,2012,29(3):907-909,3.基金项目
河北省自然科学基金资助项目(F2010000142) （F2010000142）
