Introduction to Satellite Communication 3rd Edition

I
H
Impairments, digital signal, 183–85
H-1 rocket, 354–55
India, 58
H-2 rocket, 355
Information requirements, 155
Hall thruster (HT), 278
Information systems/software
maintenance, 385
HDTV broadcast, 421

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Index
437
Infrared Earth sensor, 264
International Telecommunication Union
Inmarsat maritime broadband terminal,
(ITU), allocations and regions,
335
24–26
In-orbit insurance, 400, 406
Internet Protocol TV (IPTV), 94
In-orbit testing, 345–46
Internet standard, 12
Input multiplexer (IMUX), 199
Intersymbol interference (ISI), 167
defined, 141
Ionosphere, 129
filters, 141, 205
Ion propulsion, 278–79
output, 141
Iridium system
INSAT 1 and 2, 58
LEO satellites, 14, 100
Insurance
non-GEO satellite constellation, 3
launch, 362–64, 404
polar orbit constellation, 269, 270
on-orbit, 400, 406
solar panels, 269
Integrated receiver-decoder (IRD), 96
space segment, 63
INTELSAT, 5, 42, 43–48
Sun illumination
defined, 43
Isolation, antenna, 117–18
hybrid satellites, 45–46
Isotropic radiator, 113–15
Intelsat IV satellite, 45
Intelsat V satellite, 46
J
Intelsat VI satellite, 46–47
Japan Communications Satellite
Intelsat VII and VIII satellites, 47
Corporation (JCSAT), 58
satellites, 44, 45–47
system expansion, 45
Intercommunication networks, 372–75
K
alternate routing, 374–75
Ka-band, 25, 35–36
backbone communications, 373–74
spot beams, 242
network management, 375
SSPAs, 232
Interfacility link (IFL), 308
transponder, 235
Interference
Kepler’s laws of planetary motion, 21
intersymbol (ISI), 167
Klystron power amplifier (KPA), 138
radio frequency (RFI), 24, 32–33, 82,
Ku-band, 25, 33–35
118
for BSS, 34, 88
uplink/downlink RF, 189–92
defined, defined, 33
Intermediate frequency (IF) channel
direct broadcast satellite (DBS), 56
routing, 210
DTH, 97
Intermodulation distortion (IMD)
Earth station, 10
multiple-carrier RF, 186–88
elevation angles, 35
products, 187, 188
for FSS, 33–34
RF, 185
link budget, 147–48
single-carrier, 188–89
military troop carrier Earth station,
TWT performance, 186
299
Internal rate of return (IRR), 417–18
portable Earth station, 298
International Council of Systems
reflector antenna, 113
Engineering (INCOSE), 389–90
sections, 33–34
International Telecommunications
SNG vehicles, 92
Satellite Consortium.
See
INTELSAT
SSPAs, 232

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438
Index
L
Left-hand CP (LCP), 122, 123
LEO satellites, 342
Ladder diagrams
advantages, 21
defined, 75
antenna pointing, 265–66
illustrated, 76
atmospheric drag, 16
Latin America, 59–60
defined, 3
Launch
Iridium, 14
insurance, 362–64, 404
orbit, 22
risk management in, 361–65
voice communication over, 83
systems, 13–14, 349–51
See also
Satellites
technology, 349–51
Li-Ion batteries, 272–73
Launch interfaces, 359–65
Linearity, 205–6
management, 360–61
Linear polarization, 119–22
physical, 359–60
defined, 119
Launch mission, 338–49
illustrated, 120
boost phase, 339–41
properties, 119
defined, 338
See also
Polarization
deployments, 345–46
Link budget analysis, 146–48
deployments and in-orbit testing,
power balance equation, 146–47
345–46
typical budget, 147–48
drift orbit for GEO, 343–44
Links
GEO, 338
C/N, 144–46
GTO, 342–43
Earth-space, 111–33
in-orbit testing, 345–46
elements, 134
non-GEO missions, 341–42
margin, 148–49
RCS fuel allocation, 346–49
MSS, 133
Launch services agreement (LSA), 360
noise and interference and, 142–44
Launch vehicles (LVs), 337–65
propagation, 119–23
Ariane, 352–53
propagation losses, 123–33
Atlas, 353–54
quality, 142–49
Delta, 354
T&C, 197–98
H-1, 354–55
Liquid apogee motor (LAM), 343
H-2, 355
Liquid propulsion system, 274–78
interfaces, 359–61
expelling mass principle, 274
Long March, 355–56
general arrangement, 275
perigee kick, 342
propellant options, 274
preparation, 351
reaction control system (RCS), 276–78
Proton, 356–58
thruster comparison, 276
second stage ignition, 351
thruster performance, 275
system selection, 337