LDPC Decoder Implementation on DSP plus ARM Platform with OpenCL

被引：0
|
作者：
Kharin, Aleksei [1 ]
Vityazev, Sergey [1 ]
Likhobabin, Evgeny [1 ]
Vityazev, Vladimir [1 ]
机构：
[1] Ryazan State Radio Engn Univ, RSREU, Dept Telecommun & Radio Engn Fdn, Ryazan, Russia
来源：
2018 7TH MEDITERRANEAN CONFERENCE ON EMBEDDED COMPUTING (MECO) | 2018年
基金：
俄罗斯科学基金会;
关键词：
LDPC; DSP; Keystone; belief propagation;
D O I：
暂无
中图分类号：
TP301 [理论、方法];
学科分类号：
081202 ;
摘要：
Low-density parity-check (LDPC) codes are now widely used in telecommunication systems due to their outstanding performance. LDPC decoding is a very computational intensive procedure and its implementation in real-time and as a part of embedded system is an actual problem. FPGA, GPP or GPU platforms are usually used. In this paper an LDPC belief propagation (BP) decoder is implemented on a DSP+ARM platform. It is shown that the porting of OpenCL software from a GPU or GPP to a DSP+ARM platform requires minimal effort. Additional code modifications to improve the DSP+ARM performance are described. The effectiveness of the platform is demonstrated, with up to 2 decoding iterations executing in real time.
引用
收藏
页码：347 / 350
页数：4
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