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Technology Map
Rosum TV-GPS provides a unique combination of accuracy, indoor and outdoor availability, and low-cost wide area deployment. High-power, low-frequency signals are the key to seamless indoor-outdoor coverage.
Compare Rosum TV-GPS with other wide area location technologies:
Wide Area (Rosum TV-GPS)
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| Operating Range | Indoor Accuracy | Indoor/Urban Coverage | Indoor/Outdoor Transition | Infrastructure Cost for Metropolitan Area Deployment | |
| Rosum TV-GPS | Network Reach for TV-GPS, Global for GPS-only | Very Good | Very Good | Very Good | Low |
| GPS | Global Outdoor | Poor | Poor | Poor | None |
| A-GPS | Network Reach | Perhaps | Perhaps | Poor | Low |
| Cellular TDOA | Location Measurement Unit (LMU) (approx. one per cell) | Perhaps | Good | Good | High |
Local Area (Rosum TV-GPS Plus)
Local area location technologies such as WiFi, Mesh Networking, and RFID are useful only for tracking people or assets that are strictly limited to a predefined set of locations. These technologies are not useful for wide area location and tracking applications.
Rosum TV-GPS provides coverage over the wide area all the time, and can be enhanced with Rosum TV-GPS Plus to provide highly-accurate, room-level precision in the local area.
Rosum will provide portable Pseudo-TV Transmitters (PTTs) which can be deployed in local areas to increase precision of positioning as needed to support the customer's application.
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| Operating Range | Accuracy | Wide Area/Local Area Transition | Mobile Infrastructure | |
| 3D TV-GPS | 100's of meters in support of
in-building location. 10W transmitters provide strong local
signals. |
Excellent | Seamless | Yes |
| WiFi | 10's of meters | Perhaps | None | No |
| Mesh Networking | 10's of meters | Perhaps | None | Yes |
| RFID | 10's of meters | Poor | None | No |