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008 050799s1998 th uzm rtt 00| a1eng d
035 _a.b11754357
099 9 _aAIT Thesis no.TC-98-09
100 1 _aYu, Yin
245 1 0 _aAnalysis of traffic characteristics in LEO satellite communication systems
260 _aBangkok :
_bAsian Institute of Technology,
_c1998
300 _a62 p.
490 1 _aThesis ;
_vno. TC-98-09
500 _aA thesis submitted in partial fulfillment of the requirement for the degree of Master of Engineering, School of Advanced Technologies
502 _aThesis (M.Eng.) - Asian Institute of Technology, 1998
520 _aIn some recent studies, the use of low earth orbit satellite systems in various applications is considered. However, uniform distribution of traffic load is assumed in most of these studies. In this thesis, an analytical framework to study the nonuniformity in geographical distribution of the traffic load in low earth orbit satellite communication systems is presented. The teletraffic performances of the systems are estimated in terms of blocking, handover failure and noncompleted call probabilities. The system handover models are used with three different schemes for handover traffic. According to the numerical results, it is shown that the traffic nonuniformity gives significant effects to the characteristics of the system by decreasing the service quality. The performance study mainly focused on the IRIDIUM system, and examined all major critical aspects related to the nonuniform distributions. Moreover, the effects of prioritization handover schemes are also shown in this study.
650 0 _aArtificial satellites in telecommunication
650 0 _aTelecommunication
_xTraffic
700 1 _aAhmed, Kazi Mohiuddin,
_eChairperson
700 1 _aErke, Tapio J.,
_eExamination Committee
700 1 _aYulu, Qi,
_eExamination committee
710 2 _aTelocom Finland,
_eScholarship donor
810 2 _aAsian Institute of Technology.
_tThesis ;
_vno. TC-98-09
856 _3Full-Text
_uhttp://203.159.5.9/ait-thesis/detail.php?q=B13588
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