Invention Grant
- Patent Title: Partially synchronized multilateration or trilateration method and system for positional finding using RF
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Application No.: US14923299Application Date: 2015-10-26
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Publication No.: US09913244B2Publication Date: 2018-03-06
- Inventor: Felix Markhovsky , Truman Prevatt , Russ Markhovsky
- Applicant: InvisiTrack, Inc.
- Applicant Address: US TX Dallas
- Assignee: POLTE CORPORATION
- Current Assignee: POLTE CORPORATION
- Current Assignee Address: US TX Dallas
- Agency: Baker & Hostetler LLP
- Main IPC: G08B13/14
- IPC: G08B13/14 ; H04W64/00 ; H04W4/02 ; G01S3/74 ; G01S5/02 ; G01S5/14 ; G01S13/87 ; G01S13/74

Abstract:
Systems and methods for determining a location of user equipment (UE) in a wireless system can comprise receiving reference signals via a location management unit (LMU) having two or more co-located channels, wherein the two or more co-located channels are tightly synchronized with each other and utilizing the received reference signals to calculate a location of the UE. Some systems may include multichannel synchronization with a standard deviation of less than or equal 10 ns. Some systems may include two LMUs, with each LMU having internal synchronization, or one LMU with tightly synchronized signals.
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