Improved Joint Turbo Decoding and Physical-Layer Network Coding

被引：1
|
作者：
Castro, Maria Claudia [1 ,2 ]
Uchoa-Filho, Bartolomeu F. [1 ]
Vinhoza, Tiago T. V. [3 ]
Noronha-Neto, Mario [2 ]
Barros, Joao
机构：
[1] Univ Fed Santa Catarina, Florianopolis, SC, Brazil
[2] Inst Fed Educ, Ciencia Tecnol Santa Catarina, Florianopolis, SC, Brazil
[3] Univ Porto, Inst Telecomun, Fac Engn, Porto, Portugal
来源：
2012 IEEE INFORMATION THEORY WORKSHOP (ITW) | 2012年
关键词：
D O I：
10.1109/ITW.2012.6404731
中图分类号：
TP301 [理论、方法];
学科分类号：
081202 ;
摘要：
We present an improved decoding algorithm for joint turbo decoding and physical-layer network coding. Instead of decoding the individual (binary) messages separately at the relay, the proposed algorithm, from the superimposed faded signals, yields an XOR estimate of the sent messages. Moreover, we introduce a softening of the XOR values to improve the overall performance. Simulation results show that this simple idea yields gains up to 4.5 dB in a Rayleigh fading channel model when compared to a similar scheme.
引用
收藏
页码：532 / 536
页数：5
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