{"title":"不规则地形上甚高频及更高频率的陆地移动无线电系统性能模型","authors":"E. Haakinson, R. D. Jennings","doi":"10.1109/VTC.1978.1622592","DOIUrl":null,"url":null,"abstract":"A model is described which may be used to predict land mobile radio system performance over irregular terrain. The model uses a semi-empirical formulation to calculate propagation losses from a selected base-station location to surrounding mobile locations within a variable-size \"box\" not exceeding two degrees latitude by two degrees longitude. Terrain data is obtained from a computer-accessible data base. The output is a plot showing contours of constant propagation loss, power density, or available received power.","PeriodicalId":264799,"journal":{"name":"28th IEEE Vehicular Technology Conference","volume":"253 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1978-03-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"2","resultStr":"{\"title\":\"Land mobile radio system performance model for VHF and higher frequencies over irregular terrain\",\"authors\":\"E. Haakinson, R. D. Jennings\",\"doi\":\"10.1109/VTC.1978.1622592\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"A model is described which may be used to predict land mobile radio system performance over irregular terrain. The model uses a semi-empirical formulation to calculate propagation losses from a selected base-station location to surrounding mobile locations within a variable-size \\\"box\\\" not exceeding two degrees latitude by two degrees longitude. Terrain data is obtained from a computer-accessible data base. The output is a plot showing contours of constant propagation loss, power density, or available received power.\",\"PeriodicalId\":264799,\"journal\":{\"name\":\"28th IEEE Vehicular Technology Conference\",\"volume\":\"253 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1978-03-22\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"2\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"28th IEEE Vehicular Technology Conference\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/VTC.1978.1622592\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"28th IEEE Vehicular Technology Conference","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/VTC.1978.1622592","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Land mobile radio system performance model for VHF and higher frequencies over irregular terrain
A model is described which may be used to predict land mobile radio system performance over irregular terrain. The model uses a semi-empirical formulation to calculate propagation losses from a selected base-station location to surrounding mobile locations within a variable-size "box" not exceeding two degrees latitude by two degrees longitude. Terrain data is obtained from a computer-accessible data base. The output is a plot showing contours of constant propagation loss, power density, or available received power.
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