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:
Mar. 31, 2015
Filed:
Aug. 05, 2011
Yoshizo Sato, Daito, JP;
Masaaki Nakata, Yamato, JP;
Nobuaki Takamatsu, Koto-ku, JP;
Masahiro Yagi, Kawasaki, JP;
Hiroki Fujita, Yokohama, JP;
Yoshizo Sato, Daito, JP;
Masaaki Nakata, Yamato, JP;
Nobuaki Takamatsu, Koto-ku, JP;
Masahiro Yagi, Kawasaki, JP;
Hiroki Fujita, Yokohama, JP;
KYOCERA Corporation, Kyoto, JP;
Abstract
A resource determination unit determines at least a part of an uplink part in a switch subframe as a second resource for a wireless terminal to transmit an SRS and determines at least a part within any uplink subframe as a third resource for the wireless terminal to transmit uplink user data including a DRS for a prescribed period. A transmission path state estimation unit estimates a state of a transmission path to the wireless terminal based on the DRS included in the uplink user data after the third resource is determined. A resource notification unit forms antenna directivity based on the estimated state of the transmission path and transmits a control message for notifying the wireless terminal of the determined second resource.