Timeslot Allocation Scheme for Cognitive Satellite Networks

摘要：

　　In this paper,we investigated timeslot allocation scheme in medium access control protocol for cognitive satellite networks.The timeslots for satellite primary users were allocated according to the reserve channel with priority fit algorithm and the timeslots for cognitive users were allocated according to the prediction algorithm.Compared to random allocation scheme,the correction ratio of timeslot allocation using the prediction algorithm was improved.The proposed timeslot allocation scheme adopted the combined backoffalgorithm to avoid collisions.And then the improved throughput and the reduced delay could be obtained.Simulation results verify the effectiveness of the proposed timeslot allocation scheme.

关键词： cognitive radio satellite communications multi-frequency time division multiple access timeslot allocation

作者: Lina Wang

作者单位: Department of Communication Engineering, University of Science and Technology Beijing, Beijing,P.R.China

会议类型: 国际会议

会议名称: the 2011 International Conference on Frontiers of Manufacturing Science and Measuring Technology (第一届制造科学与检测技术国际会议(ICFMM2011))

会议地点: 重庆

会议语种:英文

页码: 40-43

在线出版日期: 2011-06-23（万方平台首次上网日期，不代表论文的发表时间）