Distributed Soft-Input Soft-Output Coding for Two-Way Wireless Relay Networks

Distributed Soft-Input Soft-Output Coding for Two-Way Wireless Relay Networks

In this letter, we propose a distributed soft-input soft-output (SISO) coding scheme for a two-way relay network. Novel SISO convolutional encoders are developed and new code design for distributed SISO encoding is derived for the proposed encoder. The simulation results show that our proposed distr...

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Veröffentlicht in:IEEE wireless communications letters 2015-12, Vol.4 (6), p.657-660
Hauptverfasser: Ishii, Koji, Yonghui Li, Vucetic, Branka, Yuexing Peng
Format: Artikel
Sprache:eng
Schlagworte:
code design
Convolution
Convolutional codes
Encoding
network coding
Relays
Soft-input soft-output (SISO) convolutional code
two-way relay channel
Wireless communication
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Zusammenfassung:In this letter, we propose a distributed soft-input soft-output (SISO) coding scheme for a two-way relay network. Novel SISO convolutional encoders are developed and new code design for distributed SISO encoding is derived for the proposed encoder. The simulation results show that our proposed distributed SISO encoding can bring considerable distributed coding gains compared to the conventional soft information forwarding.
ISSN:2162-2337
2162-2345
DOI:10.1109/LWC.2015.2479227