一种区域短波通信频率集计算方法研究
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摘要
在短波天波通信中,合理的频率选择策略是保障通信成功的因素之一。为了在面向某一固定区域,多用户同时通信的场景时,为用户选取合理的频率集,提出了一种频率集的计算方法:该算法通过栅格化的方法对区域进行划分,通过短波传播预测模型软件对各区域间通信的最高可用频率进行计算,再基于计算结果进行统计分析,最终通过采样的方式生成频率集。通过仿真验证了该频率计算方法的有效性。
In HF communications, the reasonable frequency selection strategy is one of the key factors to ensure the success of communications. In order to select the reasonable frequency set in the scenario where multiple users communicate simultaneously in a fixed area, a calculation method of the frequency set was proposed in this paper. Firstly, the area is divided by gridding and the highest available communication frequency in different sub-areas is calculated using HF propagation prediction model software. Then, the statistics is conducted based on the calculated results. Further, the frequency set is generated in a sampling way. Finally, the effectiveness of the proposed method is verified by simulations.
In HF communications, the reasonable frequency selection strategy is one of the key factors to ensure the success of communications. In order to select the reasonable frequency set in the scenario where multiple users communicate simultaneously in a fixed area, a calculation method of the frequency set was proposed in this paper. Firstly, the area is divided by gridding and the highest available communication frequency in different sub-areas is calculated using HF propagation prediction model software. Then, the statistics is conducted based on the calculated results. Further, the frequency set is generated in a sampling way. Finally, the effectiveness of the proposed method is verified by simulations.
引文
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[2]胡中豫.现代短波通信[M].北京:国防工业出版社,2005.
[3]王坦.短波通信系统[M].北京:电子工业出版社,2012.
[4]赫金.通信系统[M].北京:电子工业出版社,2010.
[5]张太福,韩宇.浅谈短波的电波传播特点和工作频率[J].科技信息,2013(1):95.
[6]程智辉.车载NVIS天线的研究[D].西安:西安电子科技大学,2008.
[7]刘秋英.新型短波选频与建链系统通信数据分析与管理技术研究[D].西安:西安电子科技大学,2013.
[8]施祥同,王磊,胡博.短波通信电台频率选择研究分析[J].舰船电子工程,2013,33(10):39-41.
[9]蔡丽.计算机网络入侵检测对免疫机制的有效应用[J].电子制作,2015(11):184-185.
[10]常勇.短波近距离无盲区通信的解决方案[J].广播与电视技术,2010,37(11):100-102.
[11]郝才勇,彭忠宝.短波监测覆盖范围分析[J].中国无线电,2015(12):56-58.