location based services
October 27, 2006 -- Rosum Corp, together with Global Locate, have announced the general availability of the Rosum TV+GPS hybrid positioning module (HPM). The HPM combines the indoor and urban reliability of Rosum's TV-positioning technology with the sensitivity and accuracy of Global Locate's Hammerhead A-GPS chip to deliver highly reliable and accurate location in all environments: indoor, outdoor, dense urban, and rural. The HPM integrates TV and A-GPS ranging information so that any combination of three or more TV towers and GPS satellites can be used for positioning. Rosum's hybrid TV+GPS solution also enhances the performance of the A-GPS engine itself by providing it with accurate time and frequency assist information which is said to improve GPS acquisition time and sensitivity. The result is better availability and accuracy for tracking and navigation applications. Further, the HPM provides altitude information to enable reliable indoor and outdoor 3D positioning.
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