Knowing how big the location based services for mobile marketing will be, I try to keep an eye on ALL of the players that could play a role in it.
From BusinessWire TCS gets patent for GPS precise location determination
TeleCommunication Systems, Inc., a global leader in mission critical wireless communications, today announced that the U.S. Patent and Trademark Office has issued patent number 6,985,105 titled, "Improved Culled Satellite Ephemeris Information Based On Limiting a Span of an Inverted Cone for Locating Satellite In-Range Determinations."
This patent is for an innovative method and algorithm for determining precise locations using Assisted Global Positioning System (A-GPS) technology within a Global System for Mobile Communications (GSM) network, and can be applied to Code Division Multiple Access (CDMA) networks as well.
This invention relates generally to wireless and long distance carriers, Internet service providers (ISPs), and information content delivery services/providers and long distance carriers. More particularly, it relates to location services for the wireless industry.