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:
Dec. 06, 2011
Filed:
Dec. 18, 2007
Keiji Nibe, Kawasaki, JP;
Keiji Nibe, Kawasaki, JP;
Fujitsu Limited, Kawasaki, JP;
Abstract
In a communication apparatus which transmits parameters corresponding to a reception environment to a transmitting apparatus which switches the transmission rate based on the reception environment, reception quality calculated in the past is saved as a first reception quality, and past CPICH symbols used in calculating this first reception quality are saved. Channel compensation of the saved past CPICH symbols is performed using a current channel estimation value, and the channel-compensated CPICH symbols are used to calculate a second reception quality; the difference between this second reception quality and the first reception quality is used as a reception quality correction value to correct reception quality.