{"title":"不规则地形上超高频基对移动统计覆盖等高线的简化计算方法","authors":"W. Kessler, M. J. Wiggins","doi":"10.1109/VTC.1977.1622448","DOIUrl":null,"url":null,"abstract":"The paper describes a simplified procedure based on the use of the FCC F(50,50) signal strength charts to provide an approximate determination of the statistical coverage contours for a UHF base-to-mobile radio system operating over irregular terrain. Appropriate adjustments are included in the procedure to account for mobile antenna height-gain variations, signal strength reduction due to shrubbery, trees, etc. in the immediate vicinity of the mobile units, signal strength reduction due to terrain variations differing from a Δ h of 50 meters, and signal probability requirements differing from 50 percent. Procedures are also discussed for estimating the net signal-strength probability characteristics due to two or more contours of known probability.","PeriodicalId":105804,"journal":{"name":"27th IEEE Vehicular Technology Conference","volume":"1 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1977-03-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":"{\"title\":\"A simplified method for calculating UHF base-to-mobile statistical coverage contours over irregular terrain\",\"authors\":\"W. Kessler, M. J. Wiggins\",\"doi\":\"10.1109/VTC.1977.1622448\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"The paper describes a simplified procedure based on the use of the FCC F(50,50) signal strength charts to provide an approximate determination of the statistical coverage contours for a UHF base-to-mobile radio system operating over irregular terrain. Appropriate adjustments are included in the procedure to account for mobile antenna height-gain variations, signal strength reduction due to shrubbery, trees, etc. in the immediate vicinity of the mobile units, signal strength reduction due to terrain variations differing from a Δ h of 50 meters, and signal probability requirements differing from 50 percent. Procedures are also discussed for estimating the net signal-strength probability characteristics due to two or more contours of known probability.\",\"PeriodicalId\":105804,\"journal\":{\"name\":\"27th IEEE Vehicular Technology Conference\",\"volume\":\"1 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1977-03-16\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"1\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"27th IEEE Vehicular Technology Conference\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/VTC.1977.1622448\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"27th IEEE Vehicular Technology Conference","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/VTC.1977.1622448","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
A simplified method for calculating UHF base-to-mobile statistical coverage contours over irregular terrain
The paper describes a simplified procedure based on the use of the FCC F(50,50) signal strength charts to provide an approximate determination of the statistical coverage contours for a UHF base-to-mobile radio system operating over irregular terrain. Appropriate adjustments are included in the procedure to account for mobile antenna height-gain variations, signal strength reduction due to shrubbery, trees, etc. in the immediate vicinity of the mobile units, signal strength reduction due to terrain variations differing from a Δ h of 50 meters, and signal probability requirements differing from 50 percent. Procedures are also discussed for estimating the net signal-strength probability characteristics due to two or more contours of known probability.
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