{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2024,6,23]],"date-time":"2024-06-23T06:32:24Z","timestamp":1719124344826},"reference-count":18,"publisher":"Wiley","issue":"4","license":[{"start":{"date-parts":[[2015,6,17]],"date-time":"2015-06-17T00:00:00Z","timestamp":1434499200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Satell Commun Network"],"published-print":{"date-parts":[[2016,7]]},"abstract":"Summary<\/jats:title>Present high\u2010capacity geostationary satellites provide throughput in the range of 70\u2009Gb\/s (Ka\u2010Sat) up to 140\u2009Gb\/s (ViaSat\u20101, EchoStar 17). In order to keep up with the quickly increasing bit rate requirements of new services and applications, future communication satellites must increase their capacity by an order of magnitude, thus reaching the terabit\/s throughput range. The challenge of achieving a terabit\/s satellite system requires investigation of a multitude of issues, limitations and problems.<\/jats:p>This paper discusses the main interference effects occurring in the user uplinks and downlinks of a multi\u2010beam satellite: co\u2010channel interference, adjacent\u2010channel interference and cross\u2010polarisation interference. Different cluster sizes for the beam pattern and use of dual polarisations are considered, and an optimum cluster scheme with regard to throughput is discussed in more detail. Moreover, the influence of beam spacing, interference cancellation for the user uplink as well as rain fading for the uplink and downlink are discussed. For the satellite spot beam antenna, a typical tapered antenna characteristic with side lobes is considered. The investigation is based on Monte Carlo simulation of user positions within the beam pattern, resulting in CDFs of signal\u2010to\u2010noise\u2010plus\u2010interference power ratio and capacity. Besides Shannon capacity, the achievable throughput of Digital Video Broadcasting \u2010 Return Channel over Satellite, 2nd Generation (DVB\u2010RCS2), Digital Video Broadcasting over Satellite, 2nd Generation (DVB\u2010S2) and Digital Video Broadcasting over Satellite, 2nd Generation, Extension (DVB\u2010S2X) is evaluated. Considering 200 beams and 1\u2009GHz of bandwidth, it is shown that with efficient uplink and downlink schemes, a total throughput of 1\u2009Tb\/s can be approached. Copyright \u00a9 2015 John Wiley & Sons, Ltd.<\/jats:p>","DOI":"10.1002\/sat.1114","type":"journal-article","created":{"date-parts":[[2015,6,17]],"date-time":"2015-06-17T06:13:21Z","timestamp":1434521601000},"page":"461-482","source":"Crossref","is-referenced-by-count":21,"title":["Towards the Terabit\/s satellite \u2013 interference issues in the user link"],"prefix":"10.1002","volume":"34","author":[{"given":"Erich","family":"Lutz","sequence":"first","affiliation":[{"name":"Institute of Communications and Navigation German Aerospace Center (DLR) Oberpfaffenhofen Germany"}]}],"member":"311","published-online":{"date-parts":[[2015,6,17]]},"reference":[{"key":"e_1_2_10_2_1","unstructured":"BATS \u2013 Broadband Access via integrated Terrestrial & Satellite systems.Deliverable D4.1.1 ICT\u20102011.1.1 Project April2013."},{"key":"e_1_2_10_3_1","doi-asserted-by":"publisher","DOI":"10.1002\/sat.1067"},{"key":"e_1_2_10_4_1","unstructured":"LutzE. Achieving a terabit\/s GEO satellite system.19th Ka and Broadband Communications Navigation and Earth Observation Conference Florence Italy Oct.2013;509\u2013516."},{"key":"e_1_2_10_5_1","unstructured":"LutzE. Interference issues in high\u2010throughput multi\u2010beam satellite systems.20th Ka and Broadband Communications Navigation and Earth Observation Conference Salerno Italy Oct.2014;271\u2013278."},{"key":"e_1_2_10_6_1","doi-asserted-by":"publisher","DOI":"10.1002\/sat.802"},{"key":"e_1_2_10_7_1","doi-asserted-by":"publisher","DOI":"10.1002\/sat.789"},{"key":"e_1_2_10_8_1","unstructured":"AngelettiPet al.Optimization of Code Division Multiple Access (CDMA) GEO Satellite Systems 52nd International Astronautical Congress Toulouse France Oct.2001."},{"key":"e_1_2_10_9_1","unstructured":"LattanziF.Joint system antenna optimization in the forward link of multibeam unicast satellite systems utilizing ACM. 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