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:
May. 21, 2013
Filed:
Feb. 23, 2010
Kenzaburo Fujishima, Kokubunji, JP;
May Takada, Koganei, JP;
Katsuhiko Tsunehara, Hachioji, JP;
Satoshi Tamaki, Kokubunji, JP;
Shinya Sasaki, Koganei, JP;
Go Ono, Musashino, JP;
Koki Uwano, Fujisawa, JP;
Kenzaburo Fujishima, Kokubunji, JP;
May Takada, Koganei, JP;
Katsuhiko Tsunehara, Hachioji, JP;
Satoshi Tamaki, Kokubunji, JP;
Shinya Sasaki, Koganei, JP;
Go Ono, Musashino, JP;
Koki Uwano, Fujisawa, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
A radio communications system includes at least one terminal communication unit having one antenna that conducts a radio communication with a plurality of terminals; and at least one baseband modem that generates and decrypts a data signal, a cell being configured by at least one of the antenna, wherein the baseband modem divides a radio frequency band used for the radio communication into two or more subbands, generates and decrypts the data signal specific to each of the divided subbands, and allocates the data signal specific to the subband to the terminal communication unit, and wherein the terminal communication unit receives the data signal specific to the subband generated by the baseband modem, and forms the cell of each the subband by the data signal specific to the received subband.