Performance study of hybrid decode-amplify-forward (HDAF) scheme in distributed Alamouti coded cooperative network

Author

Gurrala, Kiran Kumar ; Das, S.

Author_Institution

Dept. of Electr. Eng., Nat. Inst. of Technol., Rourkela, India

fYear

2013

Firstpage

271

Lastpage

276

Abstract

In this paper, a SNR based hybrid decode amplify forward (HDAF) scheme in a distributed Alamouti coded cooperative network is proposed. Considering a flat Rayleigh fading channel environment, the matlab simulation and analysis are carried out. In the cooperative scheme, two relays are employed, where each relay is transmitting each row Alamouti code. The selection of SNR threshold depends on the target rate information. The closed form expressions of SER and the outage probability with tight upper bounds are derived and compared with the simulation done in Matlab environment. Further the impact of relay location on the SER performance is analyzed. It is observed that the proposed hybrid relaying technique outperforms the individual AF and DF ones in the distributed Alamouti coded cooperative network.

Keywords

Rayleigh channels; codes; relays; wireless channels; HDAF scheme; Matlab analysis; Matlab simulation; SER closed form expression; SNR threshold selection; distributed Alamouti coded cooperative network; flat Rayleigh fading channel environment; hybrid decode-amplify-forward scheme; hybrid relaying technique; outage probability; relay location; relays; row Alamouti code; signal-to-noise ratio; target rate information; wireless channel transmission; Modulation; Relays; Signal to noise ratio; Upper bound; Hybrid decode amplify and forward Relays; SER; outage probability;

fLanguage

English

Publisher

ieee

Conference_Titel

Advances in Computing, Communications and Informatics (ICACCI), 2013 International Conference on

Conference_Location

Mysore

Print_ISBN

978-1-4799-2432-5

Type

conf

DOI

10.1109/ICACCI.2013.6637183

Filename

6637183