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:
Aug. 01, 2017
Filed:
Jul. 20, 2012
Daisuke Nishikawa, Tokyo, JP;
Satoshi Nagata, Tokyo, JP;
Tetsushi Abe, Tokyo, JP;
NTT DOCOMO, INC., Tokyo, JP;
Abstract
The present invention is designed to provide a radio communication system which can control uplink transmission power adequately even in an HetNet environment. A radio communication system having a first radio base station apparatus and a second radio base station apparatus that is configured to able to communicate with the first radio base station apparatus is provided; and, in this radio communication system, the first radio base station apparatus has a first communication quality measurement section that measures the received quality of an uplink reference signal transmitted from a user terminal, and generates first received quality information, and a reporting section that reports the first communication quality information to the second radio base station apparatus, and the second radio base station apparatus has a second communication quality measurement section that measures the received quality of the uplink reference signal transmitted from the user terminal, and generates second communication quality information, a correction value determining section that determines a correction value for the transmission power of the user terminal on the uplink based on the first communication quality information and the second communication quality information, and a reporting section that reports the determined correction value to the user terminal.