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:
Sep. 03, 2013

Filed:

Jun. 15, 2006
Applicant:

Koichi Ebata, Tokyo, JP;

Inventor:

Koichi Ebata, Tokyo, JP;

Assignee:

NEC Corporation, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04W 4/00 (2009.01); H04W 36/00 (2009.01); H04W 24/00 (2009.01); H04W 40/00 (2009.01);
U.S. Cl.
CPC ...
Abstract

An area to be estimated is sectioned to minute sections, the received signal qualities from a plurality of installed base stations () are found, respectively in each of the minute sections, a difference between the received signal quality of each minute section and the received signal quality of a minute section adjacent to the above minute section is referred to as well as a change point at which a difference between a received signal quality used as a hand-over condition and the above received signal quality changes is detected so that an area in which a hand-over occurs can be accurately estimated. With this manner, there can be obtained a received signal quality estimation method capable of estimating an area in which a hand-over occurs very accurately in a mobile communication system.


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