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NOTATION xxi TIF intermediate frequency amplifier effective input noise temperature (K) TLNA low noise amplifier effective input noise temperature (K) Tm average medium temperature (K) TMX mixer effective input noise temperature (K) Tp propagation time (s) TR receiver effective input noise temperature (K) TSKY clear sky noise temperature (K) TU uplink system noise temperature (K) THRU throughput (b/s) W window size X order of an intermodulation product XPD cross polar discrimination XPIRX receive antenna cross polarisation isolation XPITX transmit antenna cross polarisation isolation α angular separation between two satellites (degrees) Γ spectral efficiency (b/s Hz) ∆ ratio of co-polar wanted carrier power to cross-polar interfering carrier power η efficiency WWW.DANVIENTHONG.COM ηa antenna efficiency (typically 0.6) ηc channel efficiency ηcGBN channel efficiency with go-back-N protocol ηcSR channel efficiency with selective-repeat protocol ηcSW channel efficiency with stop-and-wait protocol θ angle from boresigth of antenna (degrees) θ3dB half power beamwidth of an antenna (degrees) θR antenna off-axis of angle for reception (degrees) θRmax maximum value of antenna off-axis angle for reception (degrees) θT antenna off-axis angle for transmission (degrees) θTmax maximum value of antenna off-axis angle for transmission (degrees) λ wavelength (m) = c/f ,also traffic generation rate (s−1 ) µ product of gravitational constant G and mass of the Earth Me : µ = 3.986 × 1014m3 /s2 ρ code rate τ packet duration (s) Φ power flux density (W/m 2 ) Φsat power flux density at saturation (W/m 2 ) total flux density (W/m 2 ) Φt
WWW.DANVIENTHONG.COM
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Page 7 and 8: Copyright © 1995 & 2003 John Wiley
Page 9 and 10: WWW.DANVIENTHONG.COM vi CONTENTS 2.
Page 11 and 12: WWW.DANVIENTHONG.COM viii CONTENTS
Page 13 and 14: WWW.DANVIENTHONG.COM x PREFACE From
Page 17 and 18: WWW.DANVIENTHONG.COM xiv ACRONYMS A
Page 19 and 20: WWW.DANVIENTHONG.COM xvi ACRONYMS A
Page 21 and 22: xviii NOTATION (C/N0)T C/N0i (C/N0i
Page 23: xx NOTATION Lpol LR LRmax LU LUi LU
Page 27 and 28: WWW.DANVIENTHONG.COM 2 INTRODUCTION
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Page 31 and 32: 6 INTRODUCTION Figure 1.5 Geostatio
Page 33 and 34: 8 INTRODUCTION VSAT A VSAT B WWW.DA
Page 35 and 36: 10 INTRODUCTION The two-way connect
Page 37 and 38: 12 INTRODUCTION Table 1.1 Examples
Page 39 and 40: 14 INTRODUCTION Table 1.2 Types of
Page 41 and 42: 16 INTRODUCTION of VSAT technology,
Page 43 and 44: WWW.DANVIENTHONG.COM 18 INTRODUCTIO
Page 45 and 46: 20 INTRODUCTION (EIRP) HUB (EIRP) V
Page 47 and 48: 22 INTRODUCTION may prefer to conne
Page 49 and 50: 24 INTRODUCTION Those requests are
Page 53 and 54: 28 INTRODUCTION transmitting earth
Page 55 and 56: 30 INTRODUCTION the network operato
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Page 61 and 62: 36 INTRODUCTION Figure 1.25 Photogr
Page 67 and 68: 42 INTRODUCTION Table 1.10 Budget f
Page 69 and 70: 44 INTRODUCTION to dig for cable du
Page 73 and 74: 48 USE OF SATELLITES FOR VSAT NETWO
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WWW.DANVIENTHONG.COM 50 USE OF SATE
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52 USE OF SATELLITES FOR VSAT NETWO
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WWW.DANVIENTHONG.COM 80 OPERATIONAL
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86 OPERATIONAL ASPECTS 3.2.1 Interf
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90 OPERATIONAL ASPECTS VSAT HUB MOD
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94 OPERATIONAL ASPECTS on another t
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96 OPERATIONAL ASPECTS Table 3.2 Ty
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100 NETWORKING ASPECTS It has been
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102 NETWORKING ASPECTS signal sourc
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104 NETWORKING ASPECTS - for a data
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WWW.DANVIENTHONG.COM 106 NETWORKING
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108 NETWORKING ASPECTS Formula (4.5
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110 NETWORKING ASPECTS Table 4.1 Ty
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114 NETWORKING ASPECTS device retra
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116 NETWORKING ASPECTS 4.4.4.3 Flow
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120 NETWORKING ASPECTS frame N−1
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122 NETWORKING ASPECTS Channel effi
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126 NETWORKING ASPECTS HOST COMPUTE
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128 NETWORKING ASPECTS be routed si
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132 NETWORKING ASPECTS N−1 carrie
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134 NETWORKING ASPECTS for small VS
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136 NETWORKING ASPECTS 1 VSATs 2 WW
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138 NETWORKING ASPECTS TDMA bit rat
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140 NETWORKING ASPECTS groups then
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142 NETWORKING ASPECTS 1 active 2 t
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144 NETWORKING ASPECTS 7 MHz. There
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146 NETWORKING ASPECTS so as to ach
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148 NETWORKING ASPECTS long message
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150 NETWORKING ASPECTS time frequen
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152 NETWORKING ASPECTS Number of VS
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154 NETWORKING ASPECTS slots. The r
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156 NETWORKING ASPECTS 2. Satellite
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158 NETWORKING ASPECTS where TS−A
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160 NETWORKING ASPECTS Packet delay
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162 NETWORKING ASPECTS SLOTS 90 80
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166 NETWORKING ASPECTS traffic conf
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168 NETWORKING ASPECTS The above di
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172 RADIO FREQUENCY LINK ANALYSIS B
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WWW.DANVIENTHONG.COM 174 RADIO FREQ
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176 RADIO FREQUENCY LINK ANALYSIS 1
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178 RADIO FREQUENCY LINK ANALYSIS w
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182 RADIO FREQUENCY LINK ANALYSIS T
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190 RADIO FREQUENCY LINK ANALYSIS (
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194 RADIO FREQUENCY LINK ANALYSIS P
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196 RADIO FREQUENCY LINK ANALYSIS c
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202 RADIO FREQUENCY LINK ANALYSIS A
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206 RADIO FREQUENCY LINK ANALYSIS p
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210 RADIO FREQUENCY LINK ANALYSIS H
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214 RADIO FREQUENCY LINK ANALYSIS X
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216 RADIO FREQUENCY LINK ANALYSIS r
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220 RADIO FREQUENCY LINK ANALYSIS G
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222 RADIO FREQUENCY LINK ANALYSIS i
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224 RADIO FREQUENCY LINK ANALYSIS W
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232 RADIO FREQUENCY LINK ANALYSIS r
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240 APPENDICES Message generation B
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242 APPENDICES where p is the proba
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244 APPENDICES Number of transmitte
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WWW.DANVIENTHONG.COM 246 APPENDICES
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248 APPENDICES SNA/SDLC See SDLC TC
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250 APPENDICES X28 Defines the inte
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252 APPENDICES It can be noted that
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WWW.DANVIENTHONG.COM 254 APPENDICES
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256 APPENDICES P T WWW.DANVIENTHONG
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258 APPENDICES OUTPUT POWER RELATIV
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260 APPENDICES OBO tot(dB) WWW.DANV
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262 APPENDICES Skystar advantage Vi
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WWW.DANVIENTHONG.COM 266 REFERENCES
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268 INDEX conjunction (sun transit)
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270 INDEX orbit (continued) perturb
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