The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jan. 16, 2018

Filed:

Jun. 08, 2016
Applicant:

Raytheon Compay, Waltham, MA (US);

Inventors:

George Vachula, Harvard, MA (US);

Mu-Cheng Wang, Acton, MA (US);

Mario Damico, Watertown, MA (US);

Gurpartap Takhar, N. Attleboro, MA (US);

Assignee:

RAYTHEON COMPANY, Waltham, MA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 7/00 (2006.01); H04W 56/00 (2009.01); H04W 84/06 (2009.01);
U.S. Cl.
CPC ...
H04W 56/0065 (2013.01); H04W 84/06 (2013.01);
Abstract

A method for synchronizing a time reference of a terminal clock of a terminal transceiver including an antenna and a modem, the method including: transmitting, by the modem, a terminal sync hop to a signal relay in accordance with the time reference; searching, by the modem, for a terminal sync hop return from the signal relay near an estimated terminal sync hop receive time; receiving, by the modem, the terminal sync hop return at a terminal sync hop receive time; searching, by the modem, for a master sync hop return from the signal relay; receiving, by the modem, the master sync hop return at a master sync hop receive time; calculating, by the modem, a time difference between the master sync hop receive time and the terminal sync hop receive time; and adjusting, by the modem, the time reference based on the calculated time difference.


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