Resource Management in Satellite Networks part 19 docx
Resource Management in Satellite Networks part 19 docx
... most critical part in satellite communications
is the communication link between the satellite and the user terminal (i.e.,
downlink). The downlink availability could be the limiting factor for ... and
multipath fading. Shadowing of the satellite signal is due to obstacles in the
propagation path (buildings, trees, bridges, etc). Whereas multipath fading
occurs because the satell...
Resource Management in Satellite Networks part 7 docx
... Fraunhofer Institute - FOKUS, Berlin, Germany
2.1 Introduction
The efficient exploitation of common resources is an important aspect in
networking, at all protocol layers. In satellite networking, in particular, ... channel-state information and the
point-to-multipoint service set the difference between the packet scheduler in
the satellite radio interface from its counterpart in p...
Resource Management in Satellite Networks part 16 docx
... quality (interpreted in this
context in terms of E
b
/I
0
) increases for GOOD and decreases for BAD channel
conditions. Likewise, if the information rate is kept constant, maintaining the
same ... scheduled UE in each TTI. In particular, the HS-DSCH
encoding scheme is based on the Release’99 rate-1/3 turbo encoding, but adds
rate matching with puncturing and repetition to obtain a hi...
Resource Management in Satellite Networks part 30 docx
... IETF in proposing two IP QoS
frameworks. These frameworks are mainly designed with terrestrial networks
in mind. However, the problems of achieving QoS in networks with wireless
medium such as satellite ... the potential of what can be achieved
in terms of QoS provision.
Being in adjacent layers in the protocol stack, resource management (layer
2) in satellite netwo...
Resource Management in Satellite Networks part 35 potx
... 184,
189, 199 , 257
Complete partitioning, 52, 179
Complete sharing, 52, 179
Call handover, 53, 189, 195 , 214, 233
Inter -satellite handover, 54, 190 , 194 ,
214
Intra -satellite handover, 54, 190 , 191 ,
214
CDMA, ... efficiency. In the forward link, the introduction of spreading
requires the design of a new DVB-S2 receiver. In the return link, each
terminal could in principle i...
Resource Management in Satellite Networks part 1 doc
... (Chapter 4), the two following
parts are conceived according to the ETSI SES/BSM protocol stack, thus
distinguishing cross-layer issues involving satellite- dependent layers (Part II,
Chapters 5, 6 ... translated or copied in whole or in part without the
bidden. The use in this publication of trade names, trademarks, service marks and similar terms,
Resource Management in Sa...
Resource Management in Satellite Networks part 2 pot
... (PRMA) protocols suitable for supporting voice and data
transmissions in low earth orbit mobile satellite systems. In 199 9 he joined
the Information Engineering Department of the University of Siena, ... entitled
“Integrated Space/Terrestrial Mobile Networks . He also contributed to the
Resource Management activity of the Working Group 3000 within the RACE
Project, called Satelli...
Resource Management in Satellite Networks part 3 pptx
... Board
IBR Information Bit Rate
ICMP Internet Control Message
Protocol
IEEE Institute of Electrical and
Electronics Engineers
IETF Internet Engineering Task
Force
IFR Increasing Failure Rate
IM Inter-Modulation
IMT ... Internet Protocol over Satellite
ISDN Integrated Services Digital
Network
ISI Integral Satcom Initiative
ISLs Inter -Satellite Links
ISN Interactive Satellite Network
ISO/O...
Resource Management in Satellite Networks part 4 doc
... (from Earth to satellite to Earth and back) since layer 2 control
functions are in the Earth station. In case of GEO regenerating satellites, RTD
varies in the range 239-280 ms. In particular, RTD ... system,
but the greater the difficulty in acquiring and maintaining synchronism.
Time access to the satellite link can be managed either in centralized or in
distributed mode. Ce...
Resource Management in Satellite Networks part 5 pdf
... time-frequency resources (according to an
MF-TDMA air interface) to the requesting terminals. The Return Channel
Satellite Terminal (RCST) transmission capacity is constrained. According to
the standardization, ... Reed-Solomon
coding, convolutional interleaver, inner convolutional encoding, puncturing),
base-band shaping of impulses, and QPSK modulation. The resulting DVB-S
transmissions v...
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