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. 11, 2014
Filed:
Mar. 30, 2009
Wahoh OH, Osaka, JP;
Katsuyuki Machino, Osaka, JP;
Wahoh Oh, Osaka, JP;
Katsuyuki Machino, Osaka, JP;
Sharp Kabushiki Kaisha, Osaka, JP;
Abstract
Utilizing a frequency-bandwidth limited IMT frequency band of 3 GHz, requirements of IMT-Advanced; that is, 100 Mbps for high speed movement and 1 Gbps for low speed movement in the downlink are satisfied. A communication system performs radio communication between a base station apparatusand a mobile station apparatususing a plurality of frequency layers having frequency bands different from each other, wherein the base station apparatusassigns a downlink cell common control channel and a downlink cell common traffic channel to a low-frequency layer, and assigns a downlink cell dedicated control channel and a downlink cell dedicated traffic channel to a low-frequency layer and/or a high-frequency layer according to a downlink channel status and a communication requirement of the mobile station apparatus