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Technical Details © 2007 SkyWave Mobile Communications Inc.
SkyWave IsatM2M Building BlocksInmarsat Satellites 1) SkyWave IsatM2M Service GPS Satellites 2) SkyWave Versa Gateway 5) SkyWave DMR & SureLinx Terminals Land Earth Station (LES) Internet 4) SP Administrator 3) SP Server Application 6) SP Remote Application (“script”) © 2007 SkyWave Mobile Communications Inc.
SkyWave IsatM2M Building BlocksInmarsat Satellites 1) SkyWave IsatM2M Service Land Earth Station (LES) © 2007 SkyWave Mobile Communications Inc.
Land Earth Station (LES)State-of-the-art equipment by SED Systems No longer on shared 10-year old equipment Burum, Netherlands AORW, AORE, IOR Auckland, New Zealand POR, PACC 24x7 Monitoring and Support by Stratos © 2007 SkyWave Mobile Communications Inc.
How it Works D+ IsatM2M Shorter Forward Frame Shorter Return FrameBB BB Shorter Forward Frame TC TC TC TC TC TC TC TC TC TC TC Shorter Return Frame RC RC RC RC RC RC RC RC RC RC 10s GLOBAL 5s SPOT 5s 10s Edge of coverage 2.5s Global Beam 5s Beams = 25-bytes 2.5s SPOT BB GPS If GPS, no return to BB TC TC TC TC © 2007 SkyWave Mobile Communications Inc.
Message Options From-Terminal To-Terminal Burst: 10 bytesUse all 10 bytes: “transparent” message* Only use 9 bytes: “custom” position/status report Only use 8 bytes: “standard” position/status report Extended Burst: 25 bytes “transparent” message* To-Terminal 0-100 bytes user-defined message Optional Terminal Acknowledgement Request LES Acknowledgement * Transparent messages generated by external controller via RS232 © 2007 SkyWave Mobile Communications Inc.
Position/Status Message Size“Standard poll” messages built into DMR and SureLinx for ease of use 8 bytes contain basic position, I/O, status 1 byte Destination Address can be used for message routing Adds flexibility – e.g. emergency messages processed by different server vs normal 1 byte Message Descriptor Improves application efficiency – message labels distinguish events Increases security – indicates if message generated by DMR or external device “Custom poll” messages can be defined by customer Use up to 9 bytes (including Destination Address) Transparent messages generated by external controller Can use full 10 or 25 bytes payload Mobile applications can only use 25 bytes between +/- 50 latitude Fixed applications “point” the antenna to use 25 bytes anywhere © 2007 SkyWave Mobile Communications Inc.
Latency Latency is seen in two cases:Poll/response: Control station sends a message to-terminal and gets a reply From-terminal: Terminal or external controller generates & sends message Normal operation and wakeup operation are different IsatM2M enhancements relative to D+: 4x faster frame-rate (30s instead of 2 minutes) Terminals do not need to return to Bulletin Board in most cases (saves up to 4 minutes on wakeup) Latency D+ IsatM2M Poll/response ~ 6 min ~ 3 min From-terminal – normal operation ~ 2 min < 1 min From-Terminal – wakeup from sleep* ~ 5 min ~ 1 min * Non-GPS IsatM2M terminals will take as long as D+ © 2007 SkyWave Mobile Communications Inc.
Benchmarking D+ vs IsatM2MFrom Empirical tests AORW: Test Case D+ IsatM2M “Normal” return 2:11 0:55 “Immediate” return 0:16 0:07 To-terminal (Forward queue) 3:37 (2:30) 0:47 (0:35) Round-trip (“normal” return) 5:38 1:24 Round-trip (“immediate” rtn) 3:59 1:22 © 2007 SkyWave Mobile Communications Inc.
Billing Add IsatM2M service to an existing planNew minimum monthly fee for IsatM2M terminals No change to existing D+ pricing New simplified plans available To-Terminal messages simplified $ Base + $/Byte, bytes (no small/large) All equivalent to D+ “high” priority From-Terminal messages simplified Alarm messages billed as 3x normal © 2007 SkyWave Mobile Communications Inc.
SkyWave IsatM2M Building BlocksInmarsat Satellites GPS Satellites 2) SkyWave Versa Gateway Land Earth Station (LES) Internet © 2007 SkyWave Mobile Communications Inc.
Versa Gateway Values Highly reliable and secure Easy-to-useFully redundant, housed in secure data centre 24 x 7 monitoring with event notifications SSL encryption between Versa and SP server Easy-to-use Web-based administration Consolidates D+ and GPRS traffic Flexible message delivery © 2007 SkyWave Mobile Communications Inc.
Message Handling (MHS)Versa Gateway Administration Internet Message Handling (MHS) Billing Control Stations SP Server(s) Versa Gateway manages: Message Handling with terminals (sessions, ack., etc) Administration (activate, de-activate, label, etc) Billing records (by customer/group) SP server access (send/receive, broadcast) Replication, backup and recovery for all subsystems © 2007 SkyWave Mobile Communications Inc.
Versa Features and BenefitsMessage Status Notifications SP Application knows when to re-send messages Auxiliary control stations Enhance reliability and generate new revenue GTM/GPRS support Simplifies D+/GPRS integration Terminal group management Easy billing separation by customer or application Broadcast/multicast Send messages to groups of terminals in the field © 2007 SkyWave Mobile Communications Inc.
Versa Gateway Details Single server interface for all service optionsDAP, DAP-XML No change for D+ and IsatM2M 10-byte messages Minor update for IsatM2M 25-byte message Messages exchanged via Control Station “Mailbox” like functionality SP server acts as “client” to submit & retrieve From-terminal messages can be delivered to multiple control stations To-terminal messages can be broadcast to multiple terminals © 2007 SkyWave Mobile Communications Inc.
SkyWave IsatM2M Building BlocksInmarsat Satellites GPS Satellites Land Earth Station (LES) Internet 3) SP Server Application © 2007 SkyWave Mobile Communications Inc.
SP Server Application Testing: Message Service enables quick-startSimple database (SQL) interface for application Works easily with terminal developer tools Not intended for production use Production: Interface to Versa via DAP DAPC API, specifications included in SkyWave SDK Decode/encode “standard” position/status reports Platform support: Win32 using Visual Studio 2003 or above UNIX using gcc 2.95 or above Existing customer’s application Update required for 25-byte from-terminal message © 2007 SkyWave Mobile Communications Inc.
SkyWave IsatM2M Building BlocksInmarsat Satellites GPS Satellites Land Earth Station (LES) Internet 4) SP Administrator © 2007 SkyWave Mobile Communications Inc.
SP Administration Feature Benefit Secure Login to Support websiteSecurity Audit trail of activity Activation / De-activation Self-service on your schedule Edit terminal description Identify units with a logical name Associate with an asset Interactive satellite coverage map Pre-plan for new opportunities Traffic query Quick access for history and troubleshooting Price plan & invoices View historical records Download documents & firmware Stay up to date Terminal Returns Initiate return/repair process © 2007 SkyWave Mobile Communications Inc.
SkyWave IsatM2M Building BlocksInmarsat Satellites GPS Satellites 5) SkyWave DMR & SureLinx Terminals Land Earth Station (LES) Internet © 2007 SkyWave Mobile Communications Inc.
SkyWave Terminals At-a-glance* Planned for future + Future expansion © 2007 SkyWave Mobile Communications Inc.
New Hardware/FirmwareDMR-800D Common firmware stream with SureLinx Not compatible with DMR-200 firmware But compatible with DMR-200 scripts SureLinx 8100 Common firmware stream with DMR-800 Firmware upgrade for existing hardware Minor hardware revision No change to form, fit, function, certifications © 2007 SkyWave Mobile Communications Inc.
Power Consumption Enhancements to power consumption:IsatM2M improves sleep-mode efficiency DMR-800 hardware reduces sleep current In low-power mode, sleep current dominates ~250 μA at 12V 50% improvement over DMR-200D transmit transmit listen listen wait wait wait / listen sleep sleep sleep sleep D+: 2 minute frames IsatM2M: 30 second frames © 2007 SkyWave Mobile Communications Inc.
SkyWave IsatM2M Building BlocksInmarsat Satellites GPS Satellites Land Earth Station (LES) Internet 6) SP Remote Application (“script”) © 2007 SkyWave Mobile Communications Inc.
Developer Tools OverviewFunction Value DMR Scope (Graphical) DMR Host (Text “CLI”) View configuration Send/receive messages Simulate I/O, GPS Troubleshooting Easy to use Visual Demonstration Troubleshooting Portable (Palm version) DMR Script Designer (GUI and Wizards for scripting) Design and optimize scripts Set configuration parameters Visualize behavior Customize for different applications DMR Message Designer Design and optimize reports Customize information sent from the terminal Encode data for security DMR Messenger -like client for Versa Send/receive messages as a SP server Easy to use Speed up development by decoupling server/terminal Link to Mapquest © 2007 SkyWave Mobile Communications Inc.
SP Remote Application IsatM2M and DMR-800 use SDK v4.3 or higherTerminal used as a stand-alone device Script programming Application Notes with example scripts Terminal used as a modem Interface to an external controller using serial API specification External controller examples: Keypad Input/output controller for more than 4 I/O © 2007 SkyWave Mobile Communications Inc.
Backup © 2007 SkyWave Mobile Communications Inc.
Candidate 25-byte Coverage© 2007 SkyWave Mobile Communications Inc.
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