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. 11, 2013
Filed:
Jan. 06, 2011
Tomonori Yamamoto, Fujisawa, JP;
Satoshi Tamaki, Yokohama, JP;
Rintaro Katayama, Fujisawa, JP;
Hirotake Ishii, Yokohama, JP;
Tomonori Yamamoto, Fujisawa, JP;
Satoshi Tamaki, Yokohama, JP;
Rintaro Katayama, Fujisawa, JP;
Hirotake Ishii, Yokohama, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
An object of the invention is to provide a wireless communication system in which the load of each cell and interference between cells are taken into account. In a handover-candidate base station and a handover-source base station, parameters for interference-reducing scheduling and handover facilitating processing are adjusted based on the mutual load information. When the handover-candidate base station, to be used for load balancing, is a large-diameter cell, transmit power control and frequency scheduling are adjusted by taking account of the load state at a cell edge. When the handover-source base station has a small-diameter cell, the number of terminals to be handed over is adjusted by taking account of the load state of the handover-candidate base station. Thus, both of interference control and load balancing are achieved.