{"title":"Link Budget Calculations for K/Ka-band Satellite Mobile Communication Systems","authors":"A. R. Dastkhosh, Zakir Khan, Mehdi Naseh, F. Lin","doi":"10.1109/IWS55252.2022.9978012","DOIUrl":null,"url":null,"abstract":"To calculate the required RF power for the transmitters for a mobile satellite link, radar equations are utilized. In this work, the requirements of K/Ka receiver/transmitter antenna arrays for modern communication system which consists of two separate antennas are achieved to create scanning radiation patterns for transmitter and receiver for a 5G/6G system for VSAT applications. Having analyzed the link budget, it is shown that the antenna systems have to include 64×64 arrays which prepare at least 35dB array gain and the total transmitted RF power must be more than about 603W (60.3W in clear sky). For a typical TX/RX 5G/6G system, specifications can be: TX frequency: 19GHz up to 21GHz; RX frequency: 27GHz up to 31GHz; SWR: <3; three dimensional scanning angles: -60° ≤ θ ≤ 60°, φ=360°. In this work, the frequencies are selected based on wider bandwidths and the lowest atmospheric gasses' attenuations for a 5G/6G communication system.","PeriodicalId":126964,"journal":{"name":"2022 IEEE MTT-S International Wireless Symposium (IWS)","volume":"306 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2022-08-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2022 IEEE MTT-S International Wireless Symposium (IWS)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/IWS55252.2022.9978012","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
To calculate the required RF power for the transmitters for a mobile satellite link, radar equations are utilized. In this work, the requirements of K/Ka receiver/transmitter antenna arrays for modern communication system which consists of two separate antennas are achieved to create scanning radiation patterns for transmitter and receiver for a 5G/6G system for VSAT applications. Having analyzed the link budget, it is shown that the antenna systems have to include 64×64 arrays which prepare at least 35dB array gain and the total transmitted RF power must be more than about 603W (60.3W in clear sky). For a typical TX/RX 5G/6G system, specifications can be: TX frequency: 19GHz up to 21GHz; RX frequency: 27GHz up to 31GHz; SWR: <3; three dimensional scanning angles: -60° ≤ θ ≤ 60°, φ=360°. In this work, the frequencies are selected based on wider bandwidths and the lowest atmospheric gasses' attenuations for a 5G/6G communication system.
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