Study on feasibility of SATCOM for railway communication

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Final Report Figure 22: Current O3b coverage O3b system has deployed as many GES around the world as required (see Figure 22) in order to every satellite always see at least one GES. It means that ISL (Inter-Satellite Links) are not required for this constellation. O3b satellite‘s payload consists of a powerful Ka-Band communications system. Each satellite has 12 fully steerable Ka-Band antennas. 2 beams are for gateway connections and 10 beams are for remotes terminals, using 4.3 GHz of spectrum (2x216 MHz per beam). Each antenna provides a data throughput of 1.6 GBit/s (800 MBit/s for up and downlink) resulting in a total capacity of 16 GBit/s per satellite. O3b main features are summarised in Table 17: Altitude Visibility Number of satellites Ground Period Coverage Latency Waveform Capacity 8062 km above the sea level Good satellite visibility, augmented by the use of satellite diversity techniques. Currently 12 satellites with a lifetime of 10 years. On December 2015 it was published that O3b ordered 8 more satellites to Thales Alenia Space (the manufacturer of current satellites in orbit) 360 min (4 contacts per day) Optimal coverage between 45º north/south latitude. It provides 10 beams per region (7 regions), totaling 70 remote beams per 12 satellite constellation. Beam coverage around 700 km diameter. O3b declares round trip time (RTT) latencies of around 150 ms. Forward: DVB-S2 (with ACM) Return: DVB-RCS and DVB-S2 ACM Continuous Carrier O3b provides throughputs and low latency backhaul compatible with all forms of lastmile solutions, including 2G, 3G, 4G, WiMAX and LTE. Each O3b satellite is able to provide up to 16 Gpbs (up to 1.6Gbps per beam (800Mbps x 2)). Doc.Nº: SRAIL-FNR-010-IND Edit./Rev.: 1/1 Date: 16/02/2017 Page 76 of 285
Final Report Routing O3b does not use ISL. Therefore, it requires several GES distributed worldwide. It can be seen at Figure 22 current 9 GES distributed in order to every satellite has always visibility to one of these GES. Table 17: O3b MEO/Ka system main features Figure 23 shows the O3b network architecture adapted for the railway domain. It can be observed how shall be always at least one satellite visible from users points of view. In addition, each satellite has also a visible GES. ······ ······ Feeder Link User Link Ka-band (Active) User Link Ka-band (Inactive) Feeder Link GES X GES Y ······ Traffic Control Centre Rest of GES WAN Train Stations RBCs Figure 23: O3b SATCOM architecture 6.2.6 Thuraya Thuraya is a regional satellite communication system that provides voice and data services in Europe, the Middle East, North, Central and East Africa, Asia and Australia (see Figure 24) by means of 2 GEO satellites. Doc.Nº: SRAIL-FNR-010-IND Edit./Rev.: 1/1 Date: 16/02/2017 Page 77 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
Page 25 and 26: Final Report CRT-NONT-2 CRT-NONT-3
Page 27 and 28: Final Report 7 8 9 10 GEO / C-band
Page 29 and 30: Final Report 1.5.1 Cost Benefit Ana
Page 31 and 32: Final Report or GEO/C-band, as well
Page 33 and 34: Final Report - Some of the other sy
Page 35 and 36: Final Report 2. INTRODUCTION 2.1 DO
Page 37 and 38: Final Report 2.4 STUDY METHODOLOGY
Page 39 and 40: Final Report 2.5 DOCUMENT STRUCTURE
Page 41 and 42: Final Report RD-23 D020 ANTARES Com
Page 43 and 44: Final Report Latency Bandwidth 25 2
Page 45 and 46: Final Report Two-way communication
Page 47 and 48: Final Report Table 8: Satellite con
Page 49 and 50: Final Report Star topology is the m
Page 51 and 52: Final Report Satcom System (Railway
Page 53 and 54: Final Report Parameter Definition Q
Page 55 and 56: Final Report Parameter Types of ter
Page 57 and 58: Final Report Services & Application
Page 59 and 60: Final Report Parameter Description
Page 61 and 62: Final Report 5. IDENTIFICATION OF C
Page 63 and 64: Final Report Non-technical and non-
Page 65 and 66: Final Report 6.2 SURVEY OF SATCOM S
Page 67 and 68: Final Report Maritime Transp
Page 69 and 70: Final Report 6.2.1.2.2 Ground segme
Page 71 and 72: Final Report Figure 20: Globalstar
Page 73 and 74: Final Report packet and circuit swi
Page 75: Final Report Handovers Given that t
Page 79 and 80: Final Report Thuraya‘s satellites
Page 81 and 82: Final Report generation of more adv
Page 83 and 84: Final Report Figure 29: IS-33e Epic
Page 85 and 86: Final Report Figure 30: LuxGovSat s
Page 87 and 88: Final Report o Enviromental monitor
Page 89 and 90: Final Report since it is able to op
Page 91 and 92: Final Report Figure 34:Inmarsat 5 s
Page 93 and 94: Final Report 6.2.13.2.4 Services GX
Page 95 and 96: Final Report G/T), which allow the
Page 97 and 98: Final Report DAMA Random Access (RA
Page 99 and 100: Final Report In fact, some of these
Page 101 and 102: Final Report Main advantages of OFD
Page 103 and 104: Final Report (E-SSA) scheme. On the
Page 105 and 106: Final Report For each group of stak
Page 107 and 108: Final Report Figure 43: SOTM & Trai
Page 109 and 110: Final Report Other responses (not s
Page 111 and 112: Final Report SATCOM provides rai
Page 113 and 114: Final Report SOTM suitability for t
Page 115 and 116: Final Report Features and functiona
Page 117 and 118: Final Report Support for handheld t
Page 119 and 120: Final Report Function/service Main
Page 121 and 122: Final Report Concerns regarding SAT
Page 123 and 124: Final Report Economic feasibility o
Page 125 and 126: 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
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Final Report Criterion ID 1 2 3 4 5
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Final Report northern part of Europ
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Final Report 11.1.2 Findings regard
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Final Report - All the solutions ar
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Final Report TECHNICAL SCORE (ETCS
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Final Report system, since they wil
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Final Report the deployment of terr
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Final Report products and services
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Final Report to this weakness thank
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Final Report A. CRITERIA DEFINITION
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Final Report EEIG 96S126 / 02S1266
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Final Report To get high quality vo
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Final Report For the future railway
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Final Report Therefore, and as a re
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Final Report CRT-TECH-18 The propos
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Final Report The NGN architecture c
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Final Report IP Network Access Netw
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Final Report Survey on operationa
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Final Report RATIONALE Costs are a
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Final Report B. SURVEY QUESTIONS Th
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Final Report 4. (SATCOM) What do yo
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Final Report The following question
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Final Report a. Yes b. No 14. (cont
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Final Report 19. (SATCOM) Can your
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Final Report f. Others/ additional
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Final Report b. High OPEX c. Scarce
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Final Report C. TECHNICAL ASSESSMEN
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Final Report Iridium NEXT Criterion
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Final Report C.1.1 C.1.1.1 Addition
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Final Report C.2 SATCOM SOLUTION 2:
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Final Report MEO / C-band Criterion
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Final Report T down is the propagat
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Final Report Inmarsat 4 (BGAN) - In
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Final Report Inmarsat 4 (BGAN) - In
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Final Report Table 55: Inmarsat 4 /
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Final Report GEO / L-band + ANTARES
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Final Report T up is the propagatio
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Final Report Thuraya Criterion ID C
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Final Report Thuraya Criterion ID C
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Final Report GEO / S-band Criterion
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Final Report GEO / S-band Criterion
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Final Report GEO / C-band Criterion
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Final Report GEO / C-band Criterion
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Final Report GEO / X-band Criterion
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Final Report GEO / X-band Criterion
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Final Report SmartLNB Criterion ID
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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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