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:
Aug. 31, 1999
Filed:
Jun. 26, 1995
Applicant:
Inventor:
Noriyoshi Sonetaka, Tokyo, JP;
Assignee:
NEC Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
H03M / ;
U.S. Cl.
CPC ...
714786 ; 714795 ;
Abstract
In a digital communication system including a coder and a decoder, a predefined known data signal is combined by the coder with a sequence of input signals at a predefined time interval and are subjected to convolution coding to send convolution code sequence to the decoder The decoder is supplied with the convolution code sequence as a sequence of reception codes to decode the reception codes into a sequence of decoded signals with reference to the predefined known data signal by the use of a maximum likelihood decoding method.