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 ... considering interactions This page intentionally left blank Resource Management in Satellite Networks Optimization and Cross-Layer Design

Ngày tải lên: 05/07/2014, 19:20

... 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 Inmarsat-3, 2 Inmarsat-4 Simultaneous voice & data, Internet & Intranet content and ... for both uplink and downlink Uplink: 16 16 -16 26.5 MHz (L Band) Downlink: 16 10 -16 26.5 MHz (L Band) ICO (new ICO) 12 MEO (10 active), 10 355 (changed to 10 390 km, late 19...

Ngày tải lên: 05/07/2014, 19:20

... EN 3 01 790, V1.3 .1 (2002 -11 ). [15 ] ETSI, “Digital Video Broadcasting (DVB); Interaction Channel for Satellite Distribution Systems; Guidelines for the use of EN 3 01 790”, TR 10 1 790, V1.2 .1, (2003). [16 ] ... (DVB); Framing Structure, Channel Coding and Modulation for 11 /12 GHz Satellite Services”, EN 300 4 21, V1 .1. 2, (19 97). [14 ] ETSI, “Digital Video Broadcasting (...

Ngày tải lên: 05/07/2014, 19:20

... 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 high resolution ... 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, maint...

Ngày tải lên: 05/07/2014, 19:20

... size) 1 1 13 7 2 QPSK 1/ 3 1 173 3 (on each code 1 233 4 960 bits are 1 317 5 sent in a TTI) 1 377 6 1 4 61 7 2 650 8 2 792 9 2 9 31 10 3 12 62 11 3 14 83 12 3 17 42 13 4 2279 14 4 2583 15 5 3 319 16 5 ... 3565 17 16 QAM 1/ 3 5 418 9 18 (on each code 5 4664 19 19 20 bits are 5 5287 20 sent in a TTI) 5 5887 21 5 6554 22 5 716 8 23 7 9 719 24 8 11 418 25...

Ngày tải lên: 05/07/2014, 19:20

... 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...

Ngày tải lên: 05/07/2014, 19:20

... and maintenance of per-flow state information in the core network [14 ], [15 ]. Both IntServ [15 ], [16 ] and DiffServ [17 ] have been studied for satellite networks; they are considered later in conjunction with ... schemes for MF-TDMA networks The study in [22] focuses on resource allocation and CAC in broadband GEO satellite systems. In particular, a GEO satellite with o...

Ngày tải lên: 05/07/2014, 19:20

... 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. The “instantaneous” ... in this area investigate only bandwidth allocation and the intra- satellite handover management. In reference [18 ], an advanced bandwidth management strategy is proposed and evalua...

Ngày tải lên: 05/07/2014, 19:20

... Report, TR 10 1 984 V1 .1. 1, November 2002. [16 ] ETSI, Satellite Earth Stations and Systems (SES). Broadband Satellite Multimedia, IP over Satellite , ETSI Technical Report, TR 10 1 985 V1 .1. 2, November ... 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 wit...

Ngày tải lên: 05/07/2014, 19:20

... 18 3, 244 L LEO satellite systems, 4, 10 , 54, 68, 71, 13 2, 14 1, 18 9, 19 2, 19 5 M MAC, 18 , 97, 98, 10 5, 11 0, 11 9, 13 9, 248, 256, 298 MEO satellite systems, 4, 10 , 48, 71, 14 1 Modeling and simulation, ... handover, 53, 18 9, 19 5, 214 , 233 Inter -satellite handover, 54, 19 0, 19 4, 214 Intra -satellite handover, 54, 19 0, 19 1, 214 CDMA, 14 Channel q...

Ngày tải lên: 05/07/2014, 19:20