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:
Sep. 25, 2012
Filed:
Jun. 09, 2008
Shingo Kikuchi, Tokyo, JP;
Motoya Iwasaki, Tokyo, JP;
Shingo Kikuchi, Tokyo, JP;
Motoya Iwasaki, Tokyo, JP;
NEC Corporation, Tokyo, JP;
Abstract
A wireless communication system includes a base station and a terminal station. The base station extracts paths that have a power level that exceeds a predetermined threshold value from delay profiles of the terminal station as available paths, selects a path having a maximum power or a first path from the available paths as a reference path, calculates a time difference between an arrival time of the reference path and a predetermined maximum arrival time, and transmits a result to the terminal station as a transmission timing control signal. The terminal station adjusts the transmission timing to the base station according to the time difference. The base station transmits the transmission timing control signal only when the base station detects the reference path.