Resource Management in Satellite Networks part 4 doc
Resource Management in Satellite Networks part 4 doc
... Circuit/Trunking, Video Conferencing Uplink: MF-TDMA Downlink: TDM/ OFDM Uplink: 13.775-13.975, 14- 14. 5 GHz Downlink: 10.95-11.2, 11.5-11.7, 12.2-12.75 GHz Inmarsat 11 GEO (10 active sats.): 4 Inmarsat-2, 5 ... GEO (Anik F2) High-speed broadband Internet access, satellite television, distance learning and telemedicine Uplink: TDMA Downlink: MF-TDMA Uplink: 5.9-6 .4 GHz (C band), 14- 1...
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Resource Management in Satellite Networks part 1 doc
... methods (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 ... 20 04 2006) that has made possible a tight cooperation of many European partners. Since the beginning (January 20 04) , SatNEx devoted the sub-work-package 243 0, namely joint activity 2...
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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...
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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...
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Resource Management in Satellite Networks part 17 doc
... 233 4 960 bits are 1 317 5 sent in a TTI) 1 377 6 1 46 1 7 2 650 8 2 792 9 2 931 10 3 1262 11 3 148 3 12 3 1 742 13 4 2279 14 4 2583 15 5 3319 16 5 3565 17 16QAM 1/3 5 41 89 18 (on each code 5 46 64 19 ... 5287 20 sent in a TTI) 5 5887 21 5 65 54 22 5 7168 23 7 9719 24 8 1 141 8 25 10 144 11 26 12 17237 27 15 217 54 28 15 23370 29 15 242 22 30 15 25558 Table 5.3: Example of...
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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...
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Resource Management in Satellite Networks part 21 doc
... communication infrastructure, IP QoS provisioning is a strategic issue in any kind of network. A view that has been gaining considerable interest in the scientific community considers that the IP Integrated ... ε 2 <ε 1 since real-time traffic is characterized by stringent QoS constraints. A similar CAC technique is combined in [23] with an in- band signaling scheme in order to comba...
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Resource Management in Satellite Networks part 24 doc
... in detail in [25], are not only in terms of goodput, but also in terms of fairness. 7.3 .4 Joint timeslot optimization and fair dynamic bandwidth allocation in a system employing adaptive coding In ... various bottleneck links, determined by 10 different fading classes (stemming from different source- destination pairs), under the Hotbird 6 link budget [28] and real fading traces....
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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...
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Resource Management in Satellite Networks part 35 potx
... 179, 1 84, 189, 199, 257 Complete partitioning, 52, 179 Complete sharing, 52, 179 Call handover, 53, 189, 195, 2 14, 233 Inter -satellite handover, 54, 190, 1 94, 2 14 Intra -satellite handover, 54, 190, ... 107, 183, 244 L LEO satellite systems, 4, 10, 54, 68, 71, 132, 141 , 189, 192, 195 M MAC, 18, 97, 98, 105, 110, 119, 139, 248 , 256, 298 MEO satellite systems, 4, 10, 48 , 7...
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