BER Performance Evaluation of a Cooperative Wireless Communication System with CDMA Implementation of Fixed Relaying Protocols

Muntasir Ahmed; Md. Anwar Hossain; A F M Zainul Abadin

BER Performance Evaluation of a Cooperative Wireless Communication System with CDMA Implementation of Fixed Relaying Protocols

Muntasir Ahmed * §

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Md. Anwar Hossain

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A F M Zainul Abadin

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pcg2212

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§ Pabna Science and Technology University, Pabna-6600,...

BER Performance Evaluation of a Cooperative Wireless Communication System with CDMA Implementation of Fixed Relaying Protocols

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Abstract

In this paper, we investigate a comprehensive study on a simulated cooperative wireless communication system with implementation of code division multiple access (CDMA) technique under Decode-and-Forward (DAF) and Amplify-and-Forward (AAF) relaying protocols. The system under investigation incorporates two digital modulations (BPSK and QPSK) with five major types of signal combining schemes as Equal Ratio Combining (ERC), Fixed Ratio Combining (FRC), Signal-to-Noise Ratio Combining (SNRC), Maximum Ratio Combining (MRC) and Enhanced Signal-to-Noise Combining (ESNRC). Results of BER simulation in AWGN and Raleigh fading channels show that the system provides better performance in AAF relaying protocol as compared to DAF whatever the signal combining scheme is used. In DAF relaying protocol, the system shows most satisfactory performance in SNRC and QPSK digital modulation in comparison with worst case in ERC. In AAF relaying protocol, a much better system performance is achieved in FRC and QPSK digital modulation as finding worst performance in ERC. Information about the average quality shows performance benefits, and a rough approximation about the variation of the channel quality increases the performance even more. The best system performance is achieved when the relay is at equal distance from the sender and the destination or slightly closer to the former.

References

3 Cites in Article

Reference Format

John Proakis (2001). Spread Spectrum Signals for Digital Communications.
J Nicholas Laneman,N David,Gregory Tse,Wornell (2004). Cooperative Diversity in Wireless Networks: Efficient Protocols and Outage Behaviour.
M Yuksel,E Erkip (2003). Diversity in relaying protocols with amplify and forward.

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Funding

No external funding was declared for this work.

Conflict of Interest

The authors declare no conflict of interest.

Ethical Approval

No ethics committee approval was required for this article type.

Data Availability

Not applicable for this article.

How to Cite This Article

Muntasir Ahmed, Md. Anwar Hossain, A F M Zainul Abadin, pcg2212. 1970. "BER Performance Evaluation of a Cooperative Wireless Communication System with CDMA Implementation of Fixed Relaying Protocols". Global Journal of Computer Science and Technology - E: Network, Web & Security GJCST-E Volume 13 (GJCST Volume 13 Issue E1).

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GJCST Volume 13 Issue E1

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Journal Specifications

Crossref Journal DOI 10.17406/gjcst

Print ISSN 0975-4350

e-ISSN 0975-4172

Keywords

amplifyand- forward (AAF)code division multiple access (CDMA)cooperative wireless communication system decode-and-forward (DAF)equal ratio comb

Classification

GJCST-E Classification C.2.1

Submission ReceivedDecember 9, 2012
Peer Review Double Blind
Handling Editor
Accepted December 31, 2012
Published January 15, 2013

Version of record

v1.2

Language

English

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Article Matrices

Total Score: 144

Country: Bangladesh

Subject: Global Journal of Computer Science and Technology

Authors: Muntasir Ahmed, Md. Anwar Hossain, A F M Zainul Abadin, Purno Mohon Ghosh (PhD/Dr. count: 0)

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Publish Date: 2013 01, Tue

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