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.
Patent No.:
Date of Patent:
Jun. 28, 2005
Filed:
Aug. 10, 2001
Satoshi Masuda, Yokohama, JP;
Shirou Mazawa, Fujisawa, JP;
Manabu Yoshimura, Fujisawa, JP;
Masato Inagaki, Fujisawa, JP;
Yoshio Takauchi, Saitama, JP;
Akira Yamaguchi, Tokyo, JP;
Satoshi Masuda, Yokohama, JP;
Shirou Mazawa, Fujisawa, JP;
Manabu Yoshimura, Fujisawa, JP;
Masato Inagaki, Fujisawa, JP;
Yoshio Takauchi, Saitama, JP;
Akira Yamaguchi, Tokyo, JP;
Hitachi, Ltd., Tokyo, JP;
KDDI Corporation, Tokyo, JP;
Abstract
A method of controlling hand over that reliably performs SHO even when there exists discrepancy between a range of a cell or sector and a range in which communication is possible. A reference value, which is compared with a received level of a perch channel signal for judging timing of starting and ending SHO, is corrected by using a correction value prepared for each combination of an SHO source cell and an SHO destination cell. The reference value is corrected such that SHO is started when the mobile stationarrives at a range in which the mobile stationcan communicate with a base stationthat covers the SHO destination candidate cell, and the hand over is ended when the mobile stationcomes out of a range in which the mobile stationcan communicate with a base station that covers the SHO source cell.