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:
Oct. 13, 2015
Filed:
Aug. 18, 2014
Fujitsu Limited, Kawasaki-shi, Kanagawa, JP;
Nami Nagata, Kawasaki, JP;
FUJITSU LIMITED, Kawasaki, JP;
Abstract
A wireless communication network system includes: a location estimation device includes: a processor; and a memory which stores a plurality of instructions, which when executed by the processor, cause the processor to execute: collecting information, for each wireless device in a pair of wireless devices communicating with each other in the wireless communication network, as to the number of occurrences of duplicate reception caused by the data retransmission performed when the reception acknowledgement does not reach the transmitting wireless device; and estimating the location of an interference source of radio wave in a wireless communication network based on the collected information as to the number of occurrences of duplicate reception such that the location of the interference source is closer to one of wireless devices in the pair with a less number of occurrences of duplicate reception than to the other one of the wireless devices in the pair.