Performance Analysis of Different Puncturing Schemes for Rate Compatible Block-Type LDPC

Author

Zheng Meng ; Fei Zesong ; Kuang Jingming ; Chen Xiang ; Sun Wei

Author_Institution

Dept. of E.E., Beijing Inst. of Technol., Beijing, China

fYear

2009

fDate

24-26 Sept. 2009

Firstpage

1

Lastpage

5

Abstract

The LDPC can provide multiple rates without employing more parity check matrices through the using of Rate Compatible strategy, in which the idea of puncturing is used to get codes at higher rates. This paper mainly focused on Blocktype LDPC, for which three different puncturing algorithms are shown. One is the original scheme of puncturing based on the recovery step. Another one is proposed by directly using the former on Base check matrix. Besides, the idea of puncturing distribution on systematical B-LDPC also performs well. These puncturing schemes are analyzed and compared in the text, and based on the result, new puncturing schemes for B-LDPC in IEEE 802.16e standard are proposed.

Keywords

block codes; matrix algebra; parity check codes; IEEE 802.16e standard; base check matrix; parity check matrix; puncturing algorithm performance analysis; rate compatible block-type LDPC; recovery step; Analytical models; Decoding; Distributed computing; Forward error correction; Parity check codes; Performance analysis; Performance loss; Sun;

fLanguage

English

Publisher

ieee

Conference_Titel

Wireless Communications, Networking and Mobile Computing, 2009. WiCom '09. 5th International Conference on

Conference_Location

Beijing

Print_ISBN

978-1-4244-3692-7

Electronic_ISBN

978-1-4244-3693-4

Type

conf

DOI

10.1109/WICOM.2009.5302704

Filename

5302704