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:
Jul. 31, 2018

Filed:

Dec. 09, 2015
Applicant:

Industrial Technology Research Institute, Hsinchu, TW;

Inventors:

Chung-Lai Lee, New Taipei, TW;

Chia-Lung Liu, Hsinchu County, TW;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04W 56/00 (2009.01); H04W 24/02 (2009.01); H04W 24/10 (2009.01); H04W 72/04 (2009.01); H04W 88/02 (2009.01); H04W 88/08 (2009.01); H04L 12/26 (2006.01);
U.S. Cl.
CPC ...
H04W 56/001 (2013.01); H04L 43/0864 (2013.01); H04W 24/02 (2013.01); H04W 24/10 (2013.01); H04W 56/004 (2013.01); H04W 72/0406 (2013.01); H04W 88/02 (2013.01); H04W 88/08 (2013.01);
Abstract

A communication system, a base station, a user equipment (UE), and a timing synchronization method for the base station thereof are provided. The communication system includes a first base station, a second base station and the user equipment. The UE is located within coverage of the first base station and the second base station. The first base station and the second base station respectively measure signal stability of the user equipment so that the second base station selects the user equipment based on the measurements for the stability of the signals. The first base station computes a first timing error for transmitting or receiving message between the first base station and the user equipment then transmits the first timing error to the second base station. The second base station adjusts a timing difference between the first base station and the second base station through the first timing error.


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