Resource Management in Satellite Networks part 11 pptx
... and high costs in using these links for experiments. We however believe that the obtained results may provide good insights also for general networks (including satellite links) in particular for ... for managing inter-domain communications with neighbor QoS brokers, so that QoS-enabled transport services are implemented in a coordinated way across various domains. Since IntServ req...
Ngày tải lên: 05/07/2014, 19:20
... 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...
Ngày tải lên: 05/07/2014, 19:20
... combining, etc., are discussed in the scenario of satellite systems. What is interesting in our context is the overview of cross-layer design methods employed in satellite systems, in particular ... transmission rate being used at the link layer. Moreover, the network layer can gain by looking both up and down the stack in order to obtain route diversity and multilink routing, w...
Ngày tải lên: 05/07/2014, 19:20
Resource Management in Satellite Networks part 31 pptx
... attenuation (due to changing slant path), blocking (due to obstacles in the Line of Sight, LoS), multipath fading, and changing satellite distance. Internet has been conceived assuming that Packet Error ... start threshold (ssthresh). In particular, each sending end-system probes the network congestion by gradually increasing the window of transmitted segments (outstanding in the netw...
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Resource Management in Satellite Networks part 35 potx
... 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 implement direct spreading within the ... 51, 100, 110 , 177, 179, 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 I...
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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...
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Resource Management in Satellite Networks part 2 pot
... entitled “Integrated Space/Terrestrial Mobile Networks . He also contributed to the Resource Management activity of the Working Group 3000 within the RACE Project, called Satellite Integration in the ... (PRMA) protocols suitable for supporting voice and data transmissions in low earth orbit mobile satellite systems. In 1999 he joined the Information Engineering Department of th...
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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 ... 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...
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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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Resource Management in Satellite Networks part 6 pps
... Chapter 1: INTRODUCTION TO SATELLITE COMMUNICATIONS 29 Fig. 1.9: Examples for the use of satellite links in telecommunication networks. interworking, to define a new network architecture and to include ... Multi-spot-beam satellite antenna • Bent-pipe satellite • Terrestrial gateway containing the scheduler (MAC layer) • Direct return link via satellite for channel quality measur...
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