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. 08, 2011
Filed:
Mar. 06, 2008
Hong-sil Jeong, Seoul, KR;
Dong-seek Park, Yongin-si, KR;
Jae-yeol Kim, Suwon-si, KR;
Sung-eun Park, Seoul, KR;
Seung-hoon Choi, Seoul, KR;
Hong-Sil Jeong, Seoul, KR;
Dong-Seek Park, Yongin-si, KR;
Jae-Yeol Kim, Suwon-si, KR;
Sung-Eun Park, Seoul, KR;
Seung-Hoon Choi, Seoul, KR;
Samsung Electronics Co., Ltd., Suwon-si, KR;
Abstract
An apparatus and method for transmitting and receiving a signal in a communication system are provided. The signal transmission apparatus generates a parity check matrix for an LDPC code in accordance with a code rate to be used and generates a codeword vector by encoding an information vector using the parity check matrix. When the code rate is a first code rate, the signal transmission apparatus generates a first parity check matrix as the parity check matrix for the LDPC code. When the code rate is the second code rate, the signal transmission apparatus generates a second parity check matrix supporting a second code rate lower than the first code rate by adding columns of a degree of 1 and columns of a degree of 2 to the first parity check matrix and generates the second parity check matrix as the parity check matrix for the LDPC code.