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:
Aug. 28, 2018

Filed:

Jul. 02, 2014
Applicant:

Fujitsu Limited, Kawasaki-shi, Kanagawa, JP;

Inventors:

Weiwei Wang, Beijing, CN;

Zhaojun Li, Beijing, CN;

Ningjuan Chang, Beijing, CN;

Haibo Xu, Beijing, CN;

Assignee:

FUJITSU LIMITED, Kawasaki, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04W 24/02 (2009.01); H04W 36/34 (2009.01); H04L 12/26 (2006.01);
U.S. Cl.
CPC ...
H04W 24/02 (2013.01); H04L 43/10 (2013.01); H04W 36/34 (2013.01);
Abstract

A method and apparatus for analyzing cause of link failure, includes: receiving, by a base station where the user equipment is present when a link failure is observed by the user equipment, identification information transmitted by other base stations or the user equipment, the identification information including: identification associated with the user equipment and/or identification of the user equipment in the base station; and determining, by the base station when it determines that the identification information is stored in the base station, that the link failure is resulted from a handover preparation failure.


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