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WAEA Internet Working Group On-board infrastructure ad hoc group Revised by Rolf Goedecke August 18, 2000. Background. Growing Airline/Passenger demand for information and communication services on board an A/c Allow competition based on standardized platforms
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WAEA Internet Working Group On-board infrastructure ad hoc group Revised by Rolf Goedecke August 18, 2000
Background • Growing Airline/Passenger demand for information and communication services on board an A/c • Allow competition based on standardized platforms • Services including in-flight email, Intranet/Internet Web content • Technology enablers are available or will be available soon • Preparation of a common system architecture capable of supporting multiple applications
On-board infrastructure generic block diagram: basis for discussion Required a/c infrastructure to allow new functions, such as - crew e-mail, - crew airline intranet access, - passenger access to intranet, - passenger access to e-mail... - NSU ( Network Server Unit, host for A/c intranet pages, e-mail proxy... )- Gatelink ( Wireless a/c – to - ground-network communication link in near airport on-ground terminal environment )- Cabin W-LAN ( wireless link inside the cabin between NSU and e.g. laptops, Credit card readers ... )- Interfaces to Cabin equipment and Satcom
Component Overview High Speed Data Link Satcom Cabin W-LAN Gatelink CTU CDS NSU SWITCH
NSU ARINC 763 MIU CWLU ARINC 763 TWLU ARINC 763 SDU ARINC 741 High speed SAT receiver A429, Data 3 10bT 10bT 100bT 10bT Printer, Data loader, Cabin/Cockpit port, etc. 100bT 100bT Ethernet switch 100bT E1 E1 On-board components CTU ARINC 746 PED Connectivity CDS ARINC 628 Off-board infrastructure E1 PED Connectivity
Player • Cabin Distribution System (CDS) • Matsushita Avionics System Corp. (no web site) • Rockwell Collins (www.collins.rockwell.com) • Thomson CSF Sextant Inflight Systems (www.thomson-csf.com and www.sextant-ifs.com) • KID-Systeme (www.kid-systeme.com) • Primex Aerospace (www.red.prmx.com) • Cabin Telecommunication Unit (CTU) • Matsushita Avionics System Corp. (no web site) • BAE Systems (www.baesystems.com) • AT&T (www.att.com) • Network Server Unit (NSU), Cabin/Terminal Wireless LAN • Honeywell (www.cas.honeywell.com) • Rockwell Collins (www.collins.rockwell.com) • Miltope (OEM) (www.miltope.com)
Player • Ethernet Switch Unit (ESU) • Honeywell (www.cas.honeywell.com) • Rockwell Collins ? (www.collins.rockwell.com) • Teldix ? (www.teldix.com) • Satellite Data Unit (SDU) • Honeywell (www.cas.honeywell.com) • Rockwell Collins (www.collins.rockwell.com) • Software/Applications • Honeywell (www.cas.honeywell.com) • Rockwell Collins (www.collins.rockwell.com) • Tenzing (www.tenzing.com) • General Information • Wireless Ethernet (www.wirelessethernet.org) • ARINC Specifications (www.arinc.com)
Considerations • High-speed communication und data exchange via wired and wireless LAN • Server technology as platforms for several applications • Allow for High-Speed Satellite Communication • Modular system architecture suitable for S/A and L/R aircraft • Possibility for easy extension in a modular way
Functionalities • The proposed system functionality may include as an example, • but not be limited to, the following: • E-mail services • Intranet Access • Internet Access • Airline specific access to the Airline intranet (such as Booking Systems, Airline Logistics, Mobile Credit Card Reader, Flight Connection Information etc.)
Concept • The concept for the On-Board Infrastructure • is a system consisting of the following major parts: • Network Server Unit (NSU) • Terminal Wireless LAN • Cabin Wireless LAN • Ethernet Switch Unit • High-Speed Satellite Data Transceiver • Interfaces to communication Systems • Interfaces to other systems
Network Server Unit (NSU) • Closely linked with the highly customized cabin and passenger-related functions (e.g. E-Mail and Intranet/Internet, cabin crew applications) • Provides system processing and network communication services for customized S/W applications • Form, fit and functions of NSU shall be closely linked to the architecture of the In-Flight Entertainment System • (may be according to ARINC 763) • Form factor : 4 / 6 MCU • To be installed in E-Bay or close to the IFE system
Terminal Wireless LAN • The Terminal Wireless LAN is used to bridge a wireless connection between the on-board LAN and a ground-based LAN typically at an airport • The Terminal Wireless LAN includes the Terminal Wireless LAN Unit and the Antenna • Potential applications are Software Updates (Core, News, Web Pages) and access to aircraft status data • Interfaces to the NSU • Based on ARINC 763 • Form factor according to ARINC 763, location is fuselage (external antenna)
Cabin Wireless LAN • The Cabin Wireless LAN provides a wireless network connection between devices within the aircraft structure and those systems connected to the wired Ethernet LAN • The Cabin Wireless LAN includes the Cabin Wireless LAN Unit and the Antenna(s) • Potential applications are crew access to electronic docs and maintenance data, wireless credit card reader, … • Interfaces to the NSU • Based on ARINC 763 • Form factor according to ARINC 763, location is aircraft dependant on measurement/coverage tests
Ethernet Switch Unit • The Ethernet Switch Unit provides a wired network connection between the connected systems based on IEEE 802.3 Ethernet • Form factor : 2 MCU (tbc), location may be E-Bay
High-Speed Satellite System • The High-Speed Satellite System provides the broadband communication link between the aircraft and the ground • via geo-stationary / orbiting satellites • Access to satellite-based high-speed data communications • Consists of antenna(s) and the transceiver(s) part • Items to investigate : • What antenna(s) types and what reception system may be used ? With what dimensions and weights ? • Where might the antenna(s) be installed on the a/c ? • (at top of the fuselage or within the vertical stabiliser structure)
Relevant Standards and Items • IEEE 802.3 Ethernet 10BaseT and 100BaseT • (10 Mbps and100 Mbps) • Wireless LAN based on IEEE 802.11 / 802.11b • ARINC 628 (Cabin Equipment Interfaces) • ARINC 664 (Aircraft Data Network) • ARINC 746 (Cabin Communication Systems) • ARINC 761 (Aviation Satellite Communications System) • ARINC 763 (Network Server System) • Cable, Connectors and Interface Connectors for production breaks (Ethernet) • Network Technology, Operating Systems and Partitioning • (S/W and H/W) • Firewalls and Virus Protection
Ethernet performance IEEE 802.3 • Ethernet 10BaseT : • Netto bit rate approx. 7 Mbit/sec or 900 KByte/sec • Twisted pair cable • Ethernet 100BaseT : • Netto bit rate approx. 70 Mbit/sec or 9 MByte/sec • Quad cable (tbc)
Ethernet performance IEEE 802.11 and 11b • Wireless Ethernet IEEE 802.11 : • Frequency hopping • Bit rate 2Mbit/sec • Netto bit rate approx. 1 Mbit/sec or 125 KByte/sec • Direct Sequence : • Bit rate 2Mbit/sec • Netto bit rate approx. 1 Mbit/sec or 125 Kbyte/sec • Wireless Ethernet IEEE 802.11b : • Direct Sequence : • Bit rate 11Mbit/sec • Netto bit rate approx. 5,5 Mbit/sec or 700 Kbyte/sec