Resource Management in Satellite Networks part 25 pot
Resource Management in Satellite Networks part 25 pot
... x i ), simply assuming one extra resource (round up) to a subgroup of users, sharing the same number of resources, and round down the remaining ones (dotted line in Figure 7.9). Focusing now on the ... 225 • Allocate the resources to the users, depending only on their CRA requests (highest priority). • Assign the remaining resources on the basis of the RBDC requests. • Assign the remaini...
Ngày tải lên: 05/07/2014, 19:20
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 ... central registrar of international frequency use, recording and maintaining the Master International Frequency Register, which currently includes around 1,265,000 terrestrial frequency as...
Ngày tải lên: 05/07/2014, 19:20
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...
Ngày tải lên: 05/07/2014, 19:20
Resource Management in Satellite Networks part 9 potx
... satellite communications and satellite broadcasting in Europe till about year 2020. In doing so, it shows that satellite communications and broadcasting has Chapter 2: ACTIVITY IN SATELLITE RESOURCE ... providing some interesting technical solutions. COST Action 272 was the continuation of COST Action 253 (“Service Efficient Network Interconnection via Satellite ) [65] and the...
Ngày tải lên: 05/07/2014, 19:20
Resource Management in Satellite Networks part 15 pot
... used to construct the preamble part. The control part has a Spreading Factor (SF) of 256 and the data part can have different spreading factors in the set {32, 64, 128, 256 }. The content of the data ... in the contending state by continuously reattempting random access transmissions during RTD, without stopping for waiting the base station reply. It has been proved that while this...
Ngày tải lên: 05/07/2014, 19:20
Resource Management in Satellite Networks part 32 potx
... protection, while maintaining end-to-end delivery checks. In order to benefit from using UDP-Lite, the changes at the transport layer must be reflected in the design of satellite link and physical ... (VBDC and RBDC). As already anticipated in Section 9.4, our interest here is in reducing the access delay, keeping optimal network efficiency, by using TCP status information to predict th...
Ngày tải lên: 05/07/2014, 19:20
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...
Ngày tải lên: 05/07/2014, 19:20
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...
Ngày tải lên: 05/07/2014, 19:20
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...
Ngày tải lên: 05/07/2014, 19:20
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...
Ngày tải lên: 05/07/2014, 19:20