Internet - To - Go Dr. Bob Dixon Chief Research Engineer OARnet Ohio State University A Small Mobile Satellite System for Internet Access Anywhere ©2004.

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Presentation transcript:

Internet - To - Go Dr. Bob Dixon Chief Research Engineer OARnet Ohio State University A Small Mobile Satellite System for Internet Access Anywhere ©2004 Robert S. Dixon All Rights Reserved.

Internet 1 and Internet 2 Earth Satellite Tachyon Central Ground Station San Diego All Internet Locations Mobile Ground Station ©2004 Robert S. Dixon. All Rights Reserved.

Tachyon Satellite Network Internet access is Tachyon’s only business. Professional service level, not like home services. Optimized for Internet traffic; stable speeds. Used by US military in Iraq, banks, oil companies. Network Operations Center monitors all stations continuously. FCC license provided to all stations. ©2004 Robert S. Dixon All Rights Reserved.

©2004 Robert S. Dixon. All Rights Reserved. Provides high-speed Internet access for ALL purposes, including computers, telephones and PDAs. Inexpensive to own and operate Off-the-shelf parts for easy maintenance Easy to operate by one person with one day training, with NO hand tools. Small and light Reliable and adaptable to diverse field conditions Easily customized as desired by user Transportable System Design

©2004 Robert S. Dixon. All Rights Reserved. Some of the Applications Emergency communications. High speed Internet connectivity where there is none, or where the existing service is too slow or unreliable. Connect wired and wireless PCs in the field to central headquarters. Telephone service where there is no land line or cell phone service. Link field instruction and demonstrations to central classrooms. Special events, conferences, fairs, etc.

Example Application - Lewis and Clark Expedition

Reliability of the Satellite Trailer The Lewis and Clark Expedition has used it: Every day for 6 months At over 100 different rural locations Over 3500 miles traveled, including rough roads With NO FAILURES PS - They now set it up in 7 minutes, using 2 people.

Satellite Trailer Subsystems Dish and Radio Transceiver Power Leveling and Aiming Heating and Cooling On-Board Computer Local Wired and Wireless Connections Specialized Remote Units Telephone High-Quqlity Video Conferencing Video Broadcasting ©2004 Robert S. Dixon All Rights Reserved.

Ground Station Power Alternatives (ALL are provided) Local Power Outlet unlimited (long extension cord) Batteries via UPS 4 to 8 hours before (computer controlled) recharging Gasoline generator 5 days before (pushbutton start) refueling Type of power Running Time Automatic intelligent switching among power sources. Also provides power to user-supplied equipment. ©2004 Robert S. Dixon All Rights Reserved.

Aiming System Satellites are 2 degrees apart in the sky; aiming accuracy must be better than 1/2 degree. GPS Receiver provides accurate local position to PC. (or just use Zip code) PC calculates azimuth, elevation and polarization settings. (or just use provided aiming maps) Dish is aimed with precision compass and inclinometer, using simple adjustments. Azimuth - motor drive Elevation - hand operated turnbuckle Auditory aiming meter NO hand tools required. ©2004 Robert S. Dixon All Rights Reserved.

Weatherproof Equipment Rack Cabinet ©2004 Robert S. Dixon All Rights Reserved. Mounted on shock absorbers. Automatic thermostatically controlled heater. Automatic thermostatically controlled ventilation fan. No actual air cooling. Use provided parasol if needed. Contents: Radio transmitter and receiver UPS and batteries (more batteries elsewhere) Auditory dish aiming instrument Ethernet switch, DHCP/NAT server Laptop PC Local wireless access point Power line frequency meter

Computing System Laptop PC Runs 4 special programs: Satellite aiming Dish Transceiver control and monitoring UPS control and battery monitoring Detection of existing wireless networks Also supports all Internet access tools such as: Web browsing H.323 Video Conferencing Distance Learning tools ©2004 Robert S. Dixon All Rights Reserved.

Local Site Transportable Ground Station Long-Range wireless (up to 20 miles) Wall-Penetrating wireless (several non-metal walls) Local Wireless (1000 ft) Local Ethernet Cable (200 ft) Ground Station to Local Site Connection Alternatives (ALL are provided) ©2004 Robert S. Dixon All Rights Reserved. 4

Superimposed Video Information and Event Documentation Option Time and Date Exact Location Elevation above sea level Speed (if camera is moving) Camera Look Direction Customizable Identification Label Legally Admissible Documentation Future: Street Address, City, County, State, Zip Code ANY other available data as desired. ©2004 Robert S Dixon. All Rights Reserved.

Telephone Option Satellite Trailer Telephony Adapter(s) Plain Telephone Extension Telephone Fax Machine Computer Modem Cordless Telephone Etc. Up to 16 simultaneous telephone calls; unlimited phones. You choose trailer area code(s), including “800”. ©2004 Robert S Dixon. All Rights Reserved.

The Satellite Trailer as a Telephone Cell Tower Satellite Trailer Telephony Adapter Cordless Telephone Handheld Telephone Handheld Telephone 5 miles Up to 4 telephone lines and 36 telephones, local wireless. ©2004 Robert S. Dixon. All Rights Reserved.

Portable Community Wireless Network Option (currently in testing phase) Satellite Trailer Internet Powerful Phased-Array Antenna

©2004 Robert S Dixon. All Rights Reserved. Transportable Satellite Internet System