高时隙利用率太赫兹无线个域网公平接入协议

发布时间：2019-05-24 06:01

【摘要】：针对现有太赫兹无线个域网接入协议时隙利用率偏低的问题,提出了一种高时隙利用率的太赫兹无线个域网接入协议—HSU-AP。HSU-AP通过自适应取消随机接入时段机制增加数据传输时间,采用基于请求量的有序公平时隙分配机制使可分配时隙不再剩余,并且在采用低时延帧聚合机制时利用子帧逆向聚合机制减少子帧重传个数,从而达到提高时隙资源利用率、提升网络吞吐量的效果。理论分析验证了HSU-AP协议的有效性;仿真结果表明,相较于高效公平的媒体存取控制(high efficiency fairness-media access control,HEF-MAC)等现有典型太赫兹无线个域网接入协议,HSU-AP协议的时隙利用率至少提高28.02%,MAC层吞吐量则增加了26.95%以上。
[Abstract]:In order to solve the problem of low slot utilization of the existing terahertz wireless personal area network access protocol, In this paper, a terahertz wireless personal area network access protocol with high slot utilization, HSU-AP.HSU-AP, is proposed to increase the data transmission time by adaptively canceling the random access period mechanism. The ordered fair time slot allocation mechanism based on request quantity is adopted to make the allocated time slot no longer surplus, and the subframe reverse aggregation mechanism is used to reduce the number of subframe retransmission when the low delay frame aggregation mechanism is adopted, so as to improve the utilization rate of time slot resources. The effect of improving network throughput. The effectiveness of HSU-AP protocol is verified by theoretical analysis. The simulation results show that the slot utilization of HSU-AP protocol is increased by at least 28.02% compared with the existing typical terahertz wireless personal area network access protocols such as efficient and fair media access control (high efficiency fairness-media access control,HEF-MAC). The throughput of MAC layer increased by more than 26.95%.
【作者单位】：重庆邮电大学移动通信技术重庆市重点实验室;
【基金】：国家自然科学基金(61379159) 重庆市基础与前沿研究计划(cstc2015jcyjBX0085) 长江学者和创新团队发展计划(IRT1299) 中国工程物理研究院-四川大学协同创新联合基金(XTCT2014010)资助课题
【分类号】：TN92

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