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:
Jun. 19, 2012
Filed:
Mar. 03, 2005
Kozue Hamamoto, Yokohama, JP;
Satoru Fukumoto, Yokosuka, JP;
Hitoshi Yoshino, Yokosuka, JP;
NTT DoCoMo, Inc., Tokyo, JP;
Abstract
This invention relates to a frequency channel assignment system which enables adaptive overlapping use of the same frequency band in a plurality of radio communications systems. The frequency channel assignment system includes radio communications systemsandwhich use a common frequency band, and controllersand. The controllersandinclude a system characteristics information management functionconfigured to manage system characteristics information showing characteristics of frequency channels in the radio communications systemsand, and a frequency channel assignment functionconfigured to assign frequency channels to each of the radio communications systemsand, based on the system characteristics information and channel status information showing status of frequency channels, so as to avoid inter-system interference.