Skip Navigation LinksAbout > IP and Licensing > Patents > Location

Location Patents

Comtech TCS' growing patent portfolio allows meaningful partnerships with other industry-leading companies to be built through direct licensing, cross licensing and joint venture agreements. For more information on Comtech TCS’ intellectual property program and Location Patents, contact Bob Held, senior director of intellectual asset management, at 410-280-1273.

Patent Number Title Issue Date
USP 6,650,288 Culled Satellite Ephemeris Information For Quick Assisted GPS Location Determination 11/18/03
USP 6,865,538 Meeting Location Determination Using Spatio-Semantic Modeling 3/8/05
USP 6,963,748 Mobile Device Locator Adapter System for Location Based Services 11/8/05
USP 6,978,258 Fuzzy Logic Reasoning for Inferring User Location Preferences 12/20/05
USP 6,985,105 Culled Satellite Ephemeris Information Based On Limiting A Span Of An Inverted Cone For Locating Satellite In-Range Determinations 1/10/06
USP 6,985,747 Use of Triggers and a Location Hypercube to Enable Push-Based Location Applications 1/10/06
USP 6,988,103 Location Based Services Bridge to External Data Sources 1/17/06
USP 7,019,690 Culled Ephemeris Information For Quick, Accurate Assisted Locating Satellite Location Determination For Cell Site Antennas 3/28/06
USP 7,091,905 Culled Satellite Ephemeris Information Based On Limiting A Span Of An Inverted Cone For Locating Satellite In-Range Determinations 8/15/06
USP 7,110,773 Mobile Activity Status Tracker  9/19/06
USP 7,113,128 Culled Ephemeris Information For Quick, Accurate Assisted Locating Satellite Location Determination For Cell Site Antennas 9/26/06
USP 7,120,450 Consequential Location Derived Information 10/10/06
USP 7,154,438 Prioritized List Of Potential Culled Satellite Ephemeris Information For Quick, Accurate Assisted Locating Satellite Location Determination 12/26/06
USP 7,183,973 Culled Satellite Ephemeris Information Based On Accurate Distance In Range Calculations, For Quick, Accurate Assisted Locating Satellite Location Determination 2/27/07
USP 7,200,380 Wireless Telecommunications Location Based Services Scheme Selection 4/3/07
USP 7,321,773 Area Watcher For Wireless Network 1/22/08
USP 7,411,546 Other Cell Sites Used as Reference Point to Cull Satellite Ephemeris Information for Quick, Accurate Assisted Locating Satellite Location Determination 8/12/08
USP 7,424,293 User Plane Location Based Service Using Message Tunneling To Support Roaming 9/9/08
USP 7,426,380 Location Derived Presence Information 9/16/08
USP 7,458,184 Location Based Messaging 12/2/08
USP 7,471,236 Cellular Augmented Radar/Laser Detector 12/30/08
USP 7,489,273 Culled Ephemeris Information For Quick, Accurate Assisted Locating Satellite Location Determination for Cell Site Antennas 2/10/09
USP 7,626,951 Voice Over Internet Protocol (VoIP) Location Based Conferencing 12/1/09
USP 7,629,926 Culled Satellite Ephemeris Information For Quick, Accurate, Assisted Locating Satellite Location Determination For Cell Site Antennas 12/9/09
USP 7,764,961 Mobile Based Area Event Handling When Currently Visited Network Does Not Cover Area 7/27/10
USP 7,764,219 Cellular Augmented Radar/Laser Detector 7/27/10
USP 7,782,254 Culled Satellite Ephemeris Information Based On Limiting A Span Of An Inverted Cone For Locating Satellite In-Range Determinations 8/24/10
USP 7,805,483 Apparatus and Method for Associating a Geospacial Location to Content on a Network 9/28/10
USP 7,809,359 Wireless Chat Automatic Status Tracking 10/5/10
USP 7,825,780 Cellular Augmented Vehicle Alarm Notification Together With Location Services For Position Of An Alarming Vehicle 11/2/10
USP 7,853,272 Wireless Network Tour Guide 12/14/10
USP 7,856,315 Method and System for Enabling an Off Board Navigation Solution 12/21/10
 USP 7,856,236  Area Watcher for Wireless Network  1/22/08
USP 7,890,102 User Plane Location Based Service Using Message Tunneling to Support Roaming 2/15/11
USP 7,894,797 Wireless Chat Status Automatic Tracking  2/22/11
USP 7,894,825 Mobile Activity Status Tracker  2/22/11
USP 7,899,468 Location Sensitive Messaging 3/1/11
USP 7,899,473 Wireless Network Location-Based Reference Information 3/1/11
USP 7,899,450 Cellular Augmented Radar/Laser Detection Using Local Mobile Network Within Cellular Network 3/1/11
USP 7,904,100 Wireless Network Location-Based Reference Information 3/8/11
USP 7,929,530 Ancillary Data Support in Session Initiation Protocol (SIP) Messaging  4/19/11
USP 7,957,751 Personal Location Code 6/7/11
USP 7,965,222 Cellular Augmented Radar/Laser Detector 6/21/11
USP 7,966,013 Roaming Gateway Enabling Location Based Services (LBS) Roaming for User Plane in CDMA Networks Without Requiring Use of a Mobile Positioning Center (MPC) 6/21/11
USP 7,974,235 Secure Location Session Manager 7/7/11
USP 8,019,581 System and Method for Providing Routing, Mapping, and Relative Position Information to Users of a Communication Network 9/13/11
USP 8,019,532 Method and System for Identifying and Defining Geofences 9/13/11
USP 8,032,166 Wireless Network Location-Based Reference Information 10/4/11
USP 8,032,112 Location Derived Presence Information  10/4/11
USP 8,090,796 Position Identification Method and System 1/3/12
USP 8,099,105 Device Based Trigger For Location Push Event 1/17/12
USP 8,126,889 Location Fidelity Adjustment Based on Mobile Subscriber Privacy Profile 2/28/12
USP 8,126,458 User Plane Location Based Service Using Message Tunneling to Support Roaming 2/28/12
USP 8,156,068 Predictive Ephemeral Points-of-Interest (PEPOI) 4/10/12
USP 8,185,567 Location Aware Content Using Presence Information Data Formation With Location Object (PIDF-LO)
5/22/12
USP 8,190,151 Roaming Gateway Enabling Location Based Services (LBS) Roaming For User Plane In CDMA Networks Without Requiring Use of a Mobile Positioning Center (MPC) 5/29/12 
USP 8,089,401 Culled Satellite Ephemeris Information For Quick Accurate Assited Locating Satellite Location Determination For Cell Site Antennas 1/3/12 
USP 8,165,603 Personal Location Code 4/24/12 
USP 8,244,802 Geospacial Location Associated With Content On A Network 8/14/12 
USP 8,249,589 Mobile Based Area Event Handling When Currently Visited Network Does Not Cover Area 8/21/12 
USP 8,290,505 Consequential Location Derived Information  10/16/12 
USP 8,315,599 Location Privacy Selector 11/20/12 
USP 8,336,664 Telematics BASIC Mobile Device Safety Interlock 12/25/12 
USP 6,091,957 System and Method for Providing a Geographic
Location of a Mobile Telecommunications Unit
7/18/00 
USP 6,236,359 Cellular Terminal Location Using GPS Signals in the Cellular Band 5/22/01 
USP 6,903,683 Method for Delivering Assistance Data in an Unsynchronized Wireless Network 6/7/05 
USP 7,209,077 Global Positioning System Signal Acquisition Assistance 4/24/07 
USP 7,436,355 Method and Apparatus for Geolocation Determination 10/14/08 
USP 7,692,577 Method and Apparatus for Geolocation Determination 4/6/10 
USP 7,696,922 Method and Apparatus for Geolocation Determination 4/13/10
USP 7,733,268 Method and Apparatus for Determining the Geographic Location of a Device 6/8/10 
USP 7,800,530 Method and System for Providing Assistance Data for A-GPS Location of Handsets in Wireless Networks 9/21/10
USP 7,800,533 System and Method for Determining Falsified Geographic Location of A Mobile Device 9/21/10
USP 7,825,855 Assisted Global Positioning System Location Determination 11/2/10 
USP 7,847,728 System and Method for A-GPS Positioning of a Mobile Device  12/7/10 
USP 7,916,071 System and Method for Determining a Reference Location of a Mobile Device 3/29/11 
USP 7,920,091 System and Method for A-GPS Positioning of a Mobile Device 4/5/11 
USP 7,928,903 Method and System for Selecting Optimal Satellites for A-GPS Location of Handsets in Wireless Networks 4/19/11
USP 7,940,213 System and Method for Determining Falsified Satellite Measurements 5/10/11 
USP 7,948,435 Method and Apparatus for Determining the Geographic Location of a Device 5/24/11 
USP 7,956,803 System and Method for Protecting Against Spoofed A-GNSS Measurement Data 6/7/11 
USP 7,986,266 Method and System for Selecting Optimal Satellites in View 7/26/11 
USP 7,999,730 System and Method for Providing GNSS Assistant Data Without Dedicated Receivers 8/16/11 
USP 8,000,701 A Correlation Mechanism to Communicate in a Dual-Plane Architecture 8/16/11 
USP 8,000,702 Optimizing Location Services Performance by Combining User Plane and Control Plane Architectures 8/16/11 
USP 8,019,339 Using Serving Area Identification in a Mixed
Access Network Environment
9/13/11 
USP 8,035,557 System and Method for Server Side Detection of
Falsified Satellite Measurements
10/11/11 
USP 8,081,109 Method and Apparatus for Determining the Geographic Location of a Device 12/20/11 
USP 8,085,193 System and Method of Preventing A-GPS
Devices from Searching for Specific Satellites
12/27/11 
USP 8,125,377 System and Method for Determining the Location of a Mobile Device 2/28/12 
USP 8,160,610 System and Method for Locating Mobile Device in Wireless Communication Network 4/17/12 
USP 8,213,955 Network Measurement Report Caching for Location of Mobile Devices 7/3/12 
USP 8,217,832 Enhancing Location Accuracy Using Multiple Satellite Measurements Based on Environment 7/10/12 
USP 8,290,510 System and Method for SUPL Held Interworking 10/16/12 
USP 8,299,961 Method and System for Selecting Optimal Satellites in View 10/30/12 
USP 8,301,160 System and Method for SUPL Roaming Using a Held Client 10/30/12 
USP 8,325,087 SYSTEM AND METHOD FOR SERVER SIDE DETECTION OF FALSIFIED SATELLITE MEASUREMENTS  12/4/12 
USP 8,350,756 Detecting and Compensating for Erroneous Time Measurement for Mobile Device Position Calculation 1/8/13 
USP 8,378,888 System and Method for Determining the Location of a Mobile Device 2/19/13 
USP 8,380,223 SYSTEM AND METHOD FOR PROVIDING CENTRALIZED POSITIONING DETERMINATION FOR MULTIPLE RADIO ACCESS NETWORKS  2/19/13 
USP 8,463,284 Short Messaging System (SMS) Proxy Communications To Enable Location Based Services In Wireless Devices 6/11/13 
USP 8,467,320 Voice Over Internet Protocol (VoIP) Multi-User Conferencing 6/18/13 
USP 8,516,043 Virtual Location Aware Content Using Presence Information Data Formation with Location Object (PIDF-LO) 8/20/13 
USP 8,515,414 Cellular Augmented Radar/Laser Detection Using Local Mobile Network Within Cellular Network  8/20/13 
USP 8,509,412 System and Method for Providing Routing, Mapping, and Relative Position Information to Users of a Communication Network 8/13/13 
USP 8,525,681 Location Based Proximity Alert  9/3/13 
USP 8,532,277 Location Derived Presence Information 9/10/13 
USP 8,467,805 System and Method for Determining A
Reference Location Using Cell Table Data
Mining
6/18/13 
USP 8,548,736 Historical Data based Navigational Routing  10/1/2013 
USP 8,576,991   End-to-End Logic Tracing of Complex Call Flows in a Distributed Cell System  11/5/2013 
USP 8,621,374   Method and Apparatus for Sending, Retrieving, and Planning Location Relevant Information  12/31/2013 
USP 8,626,160 User Plane Location Based Service Using Message Tunneling to Support Roaming  1/7/2014 
USP 8,638,259   Method and System for Providing Assistance
Data for A-GPS Location of Handsets in Wireless Networks 
1/28/2014 
USP 8,660,573  Location Service Requests Throttling  2/25/2014 
USP 8,666,397  Area Event Handling When Current Network Does Not Cover Target Area  3/4/2014 
USP 8,681,044 Culled Satellite Ephemeris Information for Quick, Accurate Assisted Locating Satellite Location Determination For Cell Site Antennas  3/25/2014 
USP 8,682,321  Mobile Internet Protocol (IP) Location  3/25/2014 
USP 8,687,511  Secure Location Session Manager  4/1/2014 
USP 8,718,673 System and Method for Location Assurance of a Mobile Device  5/6/2014 
USP 8,805,410  Enhancing A-GPS Location Accuracy and
Yield with Location Measurement Units and
Network Timing Measurements 
8/12/2014 
USP 8,874,145 Personal Location Code Broker  10/28/2014 
USP 8,878,681 Location Based Proximity Alert   11/4/2014 

Contact Comtech

1 631.962.7000

Contact Comtech Telecommunications

1 800.557.5869

Sales inquires outside the US:

  • EMEA: +34 677 595 420
  • Carib. & Latin Am. +1 703.727.1995
Contact Information