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http://dx.doi.org/10.5515/KJKIEES.2009.20.5.421

1-2-1 Coded Cooperative Communication Using STBC and ARQ  

Hong, Seong-Wook (Department of Electronic Engineering, University of Ulsan)
Kong, Hyung-Yun (Department of Electronic Engineering, University of Ulsan)
Publication Information
The Journal of Korean Institute of Electromagnetic Engineering and Science / v.20, no.5, 2009 , pp. 421-427 More about this Journal
Abstract
This paper has proposed 1-2-1 coded cooperative communication that is a combination of STBC and ARQ. Coded cooperative communication is a protocol that integrates channel coding with cooperative communication. In this paper consider convolution encoder. ARQ method can increase the spectral efficiency than conventional cooperative communication because if the received signal from source node is satisfied by the destination preferentially, the destination transmits ACK message to both relay node and source node and then recovers the received signal. Where each relay 1, 2 forwards a punctured portion of receive data. When relay transmit to destination apply STBC the reliability to increase. Moreover this protocol can get better BER performance of receiver using simple comparator. We verified BER performance for the proposed protocol through Monte-Carlo simulation over Rayleigh fading plus AWGN.
Keywords
WSN; Coded Cooperation; STBC; ARQ; Comparator;
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