Resource Management in Satellite Networks part 12 pdf
Resource Management in Satellite Networks part 12 pdf
... be obtained by using the optimal Maximum Transfer Unit (MTU) for a particular BER. In [8], it is shown that an 18-25% throughput gain may be obtained by increasing the frame length, depending on ... heterogeneity adapting themselves, for instance in “layered” video, sending only detailed layers when the available bandwidth is high, for instance in downlink satellite links. As aforemen...
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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 8 pdf
... bandwidth. As in terrestrial wireless networks [8], in satellite networks there are several reasons for using CAC schemes, including: Chapter 2: ACTIVITY IN SATELLITE RESOURCE MANAGEMENT 53 exist in requirements ... appropriate terminal and network Inter-Working Units (IWUs), aiming at integrating the GPRS and the UMTS segments; • Implementation, integration and testing of...
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Resource Management in Satellite Networks part 10 pdf
... resources in one particular domain of operation. It also monitors the edges for incoming and outgoing resource reservations/utilization. The information thereby acquired is used in conjunction ... UMTS and, by extension, in satellite networks, four basic service classes (layer 7) are defined [4]: conversational, streaming, interactive and background. It is interesting to note that t...
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Resource Management in Satellite Networks part 26 pdf
... certain traffic types. Integrated Services and Differentiated Services have already been introduced in Section 3.3, but are discussed below in more detail with satellite networks in mind, including Multiprotocol ... Multiple Rain-Faded Satellite Channels”, in Proc.ofthe3 rd Internat. Workshop on QoS in Multiservice IP Networks, Catania, Italy, Feb. 2005; in Lecture Notes in...
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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 ... technologies. In its role as global spectrum coordinator, ITU-R develops and adopts the Radio Regulations, a voluminous set of rules that serve as a binding international treaty governi...
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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 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...
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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 mode...
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