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:
Nov. 05, 2002
Filed:
Oct. 12, 2001
Ryutaro Yamanaka, Yokohama, JP;
Hidetoshi Suzuki, Yokohama, JP;
Hideyuki Kabuo, Kyoto, JP;
Minoru Okamoto, Suita, JP;
Kevin Mark Stone, Lafayette, CA (US);
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Abstract
A method of operating a digital signal processor is provided. The digital signal processor may be provided as a radio communication mobile station, a radio communication base station apparatus, or a CDMA radio communication system. Each path metric PM and PM of an old state is added to each branch metric BM and BM separately. A path metric of a new state N is formed by comparing the value of PM +BM to the value of PM +BM . A path metric of a new state N+2 is formed by comparing the value of PM +BM to PM +BM