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. 01, 2015

Filed:

Jun. 07, 2011
Applicants:

Hiroyuki Hosono, Tokyo, JP;

Takeshi Terayama, Tokyo, JP;

Takeshi Okamoto, Tokyo, JP;

Inventors:

Hiroyuki Hosono, Tokyo, JP;

Takeshi Terayama, Tokyo, JP;

Takeshi Okamoto, Tokyo, JP;

Assignee:

NTT DOCOMO, INC., Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04W 72/08 (2009.01); H04W 24/02 (2009.01); H04W 36/00 (2009.01); H04W 48/18 (2009.01);
U.S. Cl.
CPC ...
H04W 72/085 (2013.01); H04W 24/02 (2013.01); H04W 36/0083 (2013.01); H04W 48/18 (2013.01);
Abstract

A radio network controller includes an acquisition unit configured to acquire a radio communication state of a neighboring cell located around a cell formed by a base station which the mobile station camps on among base stations, and a level determination unit configured to determine the in-out reception level based on an acquisition result of the radio communication state by the acquisition unit. The level determination unit calculates an estimated reception level of the radio channel in a reception level tie point P in which the reception level of the radio channel transmitted by a base stationand the reception of the radio channel transmitted by a target base stationbecome substantially equal to each other, and determines the in-out reception level based on the calculated estimated reception level α.


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