Joint Network-Channel Coding in Distributed Antenna System

Author

Liu, Jiafeng ; Qin, Tuanfa ; Chang, Kan

Author_Institution

Sch. of Comput. & Electron. Inf., Guangxi Univ., Nanning, China

fYear

2011

fDate

25-27 July 2011

Firstpage

1

Lastpage

4

Abstract

In order to reduce high bit error rate (BER) over wireless multi-access channel with low signal to noise ratio (SNR), a joint network-channel coding algorithm for wireless relay communications is proposed. In our scheme, low density parity check (LDPC) is applied as channel code to work together with network coding in the relay node. At the destination nodes, joint network-channel decoding is applied, in which the channel message with higher SNR is chosen as the received information. Experimental results show that the network model proposed is able to support network coding well with low System BER. Compared with the traditional Distributed Antenna System (DAS) and the system without relay antenna, the new scheme decreases system BER by 47% and 34% on average.

Keywords

antennas; channel coding; error statistics; multi-access systems; network coding; parity check codes; wireless channels; bit error rate; distributed antenna system; joint network-channel coding algorithm; low density parity check; signal to noise ratio; wireless multiaccess channel; wireless relay communication; Bit error rate; Encoding; Joints; Network coding; Parity check codes; Relays; Signal to noise ratio;

fLanguage

English

Publisher

ieee

Conference_Titel

Network Coding (NetCod), 2011 International Symposium on

Conference_Location

Beijing

Print_ISBN

978-1-61284-138-0

Type

conf

DOI

10.1109/ISNETCOD.2011.5978911

Filename

5978911