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. 22, 2017
Filed:
Jan. 16, 2014
Hitachi Kokusai Electric, Inc., Tokyo, JP;
Hitachi Kokusai Electric, Inc., Tokyo, JP;
Abstract
In the wireless communication system, each of a base stationand a terminal stationobtains its location information, and upon establishment of synchronization, the terminal stationtransmits a terminal station free channel list and its location information by extremely low power wireless communication, and the base stationcompares a base station free channel list created based on information from a databasewith the terminal station free channel list from the terminal station, and determines, when there is a common free channel, the free channel as uplink/downlink channels and determines, when there is no common free channel, an uplink channel and a downlink channel as different channels, calculates a base station-terminal station distance from the location information of the base stationand the location information of the terminal station, and determines terminal station's uplink transmission power based on the distance.