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The National Office for Integrated and Sustained Ocean Observing and Prediction htttp://www.ocean.us.net. Update on the U.S. Department of Defense/U.S. Navy/ Office of Naval Research Program to Implement Advanced Telemetry From Oceanographic Platforms. Stephen R. Piotrowicz, Ph.D. - PowerPoint PPT Presentation
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The National Office for Integrated and Sustained Ocean Observing and Predictionhtttp://www.ocean.us.net
Update on the U.S. Department of Defense/U.S. Navy/Office of Naval Research Program to Implement Advanced Telemetry
From Oceanographic Platforms
Stephen R. Piotrowicz, Ph.D.14 October 2002
Program Status
Phase II Contracts Awarded March 2002 NAL Research – Data Unit System Development Omnet – Data Delivery Serivices
Distributing 100 L-Band Transceivers Web Solicitation for Potential Applications Objective is a Spectrum of Platforms, Environments, and Data Delivery Requirements Participants Selected in June Distribution of Conventional Data Units Began in June Distribution of GPS Capable Units Beginning in October
Distributing 104 Iridium SIM Cards Utilizing the Department of Defense/Defense Information Systems Agency Gateway in Hawaii
Overview of Iridium Satellite LLC
Purchased Iridium LLC for $25 Million Annual Operating Costs ~$85 Million (Original System ~$1 Billion) 3 Gateways Equipment Pricing - $500-$1,500 (Original System - $1,500 - $3,500) Service Pricing/Minute - $1.00 - $1.50 (1 Rate Globally)
[Original System $2.00 - $7.00 in a 15x15 Matrix] Commercial Service Launch
Voice: 31 March 2001 Data: June 2001
$3 Million per Month from DoD Contract (2 Year; 5 One-Year Options) Up to 20,000 Subscribers, Unlimited Airtime Government Handles Tail Charges, Connectivity to Internet, Subscriber Equipment Ordering, Billing, Etc.
Satellite Network and Control Facility Operated by Boeing
Current Status of Iridium
66 Operational Satellites – 11 in 6 Orbital Planes 12 In-orbit Spares – At Least One in Each Plane 2 Ground Spares Full Constellation Life Minimum, mid-2010 – Aerospace Corp. Independent Study
Gateways Tempe, Arizona – Primary Gateway Fucino, Italy DoD Gateway in Hawaii – Circuit Data and Internet Upgrades in Progress Gateways to be Added to Support Commercial Demand
Satellite Network Operations Center in Leesburg, Virginia Back-Up Facility in Chandler, Arizona
Current Status of Iridium
Current Status of Iridium
Current Status of Iridium
Dial-Up Data
PSTN
Iridium Gateway
D900
CorporateNetwork
ISP
Direct-Dial Connection Between Mobile Application and PSTN (Corporate/ISP)
AT Commands and RS232 Provide the Application Interface to the Subscriber Device
User Throughputs Up To 2,800 bps (nominally 2,400 bps)
Internet
Iridium Gateway
D900InternetServer
Direct-Internet
Direct Internet Provides a Complete Digital Connection to the Internet - Iridium is the ISP Reduced Session Set-Up Time and Improved Grade-of-Service Over Dial-Up
Employs SmartConnectTM Features to Support Connection Management Compression Spoofing
User Effective Throughput is Nominally 10,000 bps
Iridium Gateway
D900SBM Network
Equipment
Internet
UserApplication
Short Burst Data is an Efficient Packet-Based Service. Service is Planned to Support ~1900 bytes in both MO & MT Directions Pricing plans to be based on per byte usage Combination of Circuit & Short Burst Data Results in Cost Effective
Usage Growth.
Short Burst Data Service
Data Unit Phase I
9500 Phone Converted to Data Module Vendor Selected and NRE Funded by Iridium Design Complete Serial, Power and Antenna Connector Dial-Up and Internet Data Services Billing in 6 Second Increments Cost of Production Units - $1,000 w/o GPS; $1,200 w GPS Available Now Quantity Subject to Available Inventory
Service Cost - <$0.12/kbit Power - 20 J/kbyte Two-Way Communication Guaranteed Packet Delivery
Data Unit Phase I
Data Unit Phase I
Weight: ~580 g (~500 w/o GPS)Dimensions: 9.5” L x 2.8” W x 1.5” DSIM Card Reader: InternalOperating Frequency: 1616 - 1626.5 MHzPower: 0.75W Average (0.6W w/o GPS)Operating Temperature: -30°C/+60°CDuplexing Method: Time Division DuplexMultiplexing Method: TDMA/FDMALink Margin (w/external antenna): 12.5 dB averageData Rate: 2400 bits per secondInterface: Standard RS-232 (AT commands)
9505 Based Product Leverage Current Handset Production Work with Celestica and Third Party Vendor to Obtain Board Level
product. 30% Reduction in Physical Size as compared with 9500 15% Less Power Consumption during data calls Dial-up and PPP Internet Access Data Services Short Burst Data Capable
Next Generation
Data Unit Phase II – Next Generation
U. of Washington Glider
Dual Purpose Antenna – Iridium and GPS