Study on feasibility of SATCOM for railway communication

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Final Report 30. (ALL) Do you see an opportunity for the provision of business applications through the new railway communication system (e.g. passenger services, goods tracking, etc.)? a. Yes b. No c. Other response (please specify): 31. (ALL) Do you consider that these business applications are feasible in terms of cost efficiency and return on investment? a. Yes b. No c. Other response (please specify): Doc.Nº: SRAIL-FNR-010-IND Edit./Rev.: 1/1 Date: 16/02/2017 Page 218 of 285
Final Report C. TECHNICAL ASSESSMENT OF SATCOM SOLUTIONS C.1 SATCOM SOLUTION 1: IRIDIUM NEXT Iridium NEXT Criterion ID Criterion Evaluation Justification CRT-TECH-1 The “link availability” of the proposed satcom system shall be High. NC According to Iridium documentation, former Iridium system has an availability of 99.9%. For Iridium NEXT there is not information available, but it is expected to keep this availability value. Therefore, and assuming the 99.9% value also for Iridium NEXT, it cannot be considered "High". CRT-TECH-2 The “reliability” of the proposed satcom system shall be High. C (Low) Satellite constellations weakest element regarding reliability are satellites, since they cannot be repaired, only replaced. That's why they tend to be designed for very high reliability. Iridium NEXT, in addition to their 66 satellites, plans 6 in-orbit spare satellites plus 9 ground spare satellites ready to be launched when required. For ground system elements, redundancy is used in order to increase reliability. CRT-TECH-3 The end-to-end error ratio of the proposed satcom system shall be Low. Note: Since this criterion only considers the satellite system, the error ratio shall be measured after the last satellite communication C The end-to-end error ratio depends mainly on the FEC used. Current satcom systems have implemented powerful FECs based mainly on turbo codes (e.g. TCC, TPC, LDPC, etc) that enable the use of low Eb/No to assure the minimum required BER and/or PER. Former Iridium, for example, uses a BCH(31,20) FEC code (capable of correcting up to 2 bit errors) for its SBD (Short Burst Data) service. This coded data is also protected by a 16-bit CRC error detection code, which is used jointly with a selective ARQ process. Doc.Nº: SRAIL-FNR-010-IND Edit./Rev.: 1/1 Date: 16/02/2017 Page 219 of 285
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Study on feasibili
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Final Report RECORD OF EDITIONS AND
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Final Report TABLE OF CONTENTS Chap
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Final Report TABLE OF CONTENTS Chap
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Final Report FIGURES INDEX Descript
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Final Report Figure 64: Certificati
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Final Report TABLES INDEX Descripti
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Final Report ACRONYMS ACM ATM BGAN
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Final Report VLR Visitor Location R
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Final Report In order to successful
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Final Report Business Communication
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Final Report Figure 2: Railway comm
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Final Report CRT-NONT-2 CRT-NONT-3
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Final Report 7 8 9 10 GEO / C-band
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Final Report 1.5.1 Cost Benefit Ana
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Final Report or GEO/C-band, as well
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Final Report - Some of the other sy
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Final Report 2. INTRODUCTION 2.1 DO
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Final Report 2.4 STUDY METHODOLOGY
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Final Report 2.5 DOCUMENT STRUCTURE
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Final Report RD-23 D020 ANTARES Com
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Final Report Latency Bandwidth 25 2
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Final Report Two-way communication
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Final Report Table 8: Satellite con
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Final Report Star topology is the m
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Final Report Satcom System (Railway
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Final Report Parameter Definition Q
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Final Report Parameter Types of ter
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Final Report Services & Application
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Final Report Parameter Description
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Final Report 5. IDENTIFICATION OF C
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Final Report Non-technical and non-
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Final Report 6.2 SURVEY OF SATCOM S
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Final Report Maritime Transp
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Final Report 6.2.1.2.2 Ground segme
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Final Report Figure 20: Globalstar
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Final Report packet and circuit swi
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Final Report Handovers Given that t
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Final Report Routing O3b does not u
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Final Report Thuraya‘s satellites
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Final Report generation of more adv
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Final Report Figure 29: IS-33e Epic
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Final Report Figure 30: LuxGovSat s
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Final Report o Enviromental monitor
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Final Report since it is able to op
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Final Report Figure 34:Inmarsat 5 s
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Final Report 6.2.13.2.4 Services GX
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Final Report G/T), which allow the
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Final Report DAMA Random Access (RA
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Final Report In fact, some of these
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Final Report Main advantages of OFD
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Final Report (E-SSA) scheme. On the
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Final Report For each group of stak
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Final Report Figure 43: SOTM & Trai
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Final Report Other responses (not s
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Final Report SATCOM provides rai
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Final Report SOTM suitability for t
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Final Report Features and functiona
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Final Report Support for handheld t
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Final Report Function/service Main
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Final Report Concerns regarding SAT
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Final Report Economic feasibility o
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Final Report 8. PRE-SELECTION OF SA
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Final Report 8 9 10 GEO / X-band (D
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Final Report Criterion ID CRT-TECH-
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Final Report Criterion ID CRT-TECH-
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Final Report 7 - GEO / C-band 8 - G
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Final Report a justification regard
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Final Report Criterion ID Criterion
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Final Report Stakeholders Finance
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Final Report other one-time invest
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Final Report 9.3.2.4 Cost Model The
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Final Report SATCOM CAPEX Model Cos
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Cell Range (km) #Base Stations Fina
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Trips in Millions 2020 2021 2022 20
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M€ M€ Final Report 5.000 4.000
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Final Report Inmarsat 4/6 1.997 2.8
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M€ Final Report Regarding break-e
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Final Report Broadband is used as
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Final Report Sensitivity Ranking LT
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Final Report Main Cost Sensitivitie
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Final Report CRT-NONT-3 CRT-NONT-4
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Final Report 9.3.5.2 Vertical asses
Page 167 and 168: Final Report Criterion ID 1 2 3 4 5
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Page 171 and 172: Final Report 11.1.2 Findings regard
Page 173 and 174: Final Report - All the solutions ar
Page 175 and 176: Final Report TECHNICAL SCORE (ETCS
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Page 179 and 180: Final Report the deployment of terr
Page 181 and 182: Final Report products and services
Page 183 and 184: Final Report to this weakness thank
Page 185 and 186: Final Report A. CRITERIA DEFINITION
Page 187 and 188: Final Report EEIG 96S126 / 02S1266
Page 189 and 190: Final Report To get high quality vo
Page 191 and 192: Final Report For the future railway
Page 193 and 194: Final Report Therefore, and as a re
Page 195 and 196: Final Report CRT-TECH-18 The propos
Page 197 and 198: Final Report The NGN architecture c
Page 199 and 200: Final Report IP Network Access Netw
Page 201 and 202: Final Report Survey on operationa
Page 203 and 204: Final Report RATIONALE Costs are a
Page 205 and 206: Final Report B. SURVEY QUESTIONS Th
Page 207 and 208: Final Report 4. (SATCOM) What do yo
Page 209 and 210: Final Report The following question
Page 211 and 212: Final Report a. Yes b. No 14. (cont
Page 213 and 214: Final Report 19. (SATCOM) Can your
Page 215 and 216: Final Report f. Others/ additional
Page 217: Final Report b. High OPEX c. Scarce
Page 221 and 222: Final Report Iridium NEXT Criterion
Page 223 and 224: Final Report C.1.1 C.1.1.1 Addition
Page 225 and 226: Final Report C.2 SATCOM SOLUTION 2:
Page 227 and 228: Final Report MEO / C-band Criterion
Page 229 and 230: Final Report C.2.1 C.2.1.1 Addition
Page 231 and 232: Final Report T down is the propagat
Page 233 and 234: Final Report Inmarsat 4 (BGAN) - In
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Page 237 and 238: Final Report Table 55: Inmarsat 4 /
Page 241 and 242: Final Report GEO / L-band + ANTARES
Page 243 and 244: Final Report T up is the propagatio
Page 245 and 246: Final Report Thuraya Criterion ID C
Page 247 and 248: Final Report Thuraya Criterion ID C
Page 251 and 252: Final Report GEO / S-band Criterion
Page 253 and 254: Final Report GEO / S-band Criterion
Page 257 and 258: Final Report GEO / C-band Criterion
Page 259 and 260: Final Report GEO / C-band Criterion
Page 261 and 262: Final Report GEO / X-band Criterion
Page 263 and 264: Final Report GEO / X-band Criterion
Page 267 and 268: Final Report SmartLNB Criterion ID
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Final Report C.9.1 C.9.1.1 Addition
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Final Report C.10 SATCOM SOLUTION 1
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Final Report GEO / Ku-band Criterio
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Final Report GEO / Ku-band Criterio
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Final Report C.11 SATCOM SOLUTION 1
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Final Report Inmarsat 5 (Global Xpr
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Final Report Inmarsat 5 (Global Xpr
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Final Report C.11.1.2 Inmarsat 5 -
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INDRA SISTEMAS Project Manager Xavi
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Study on feasibility of SATCOM for railway communication

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