Enhancing Transmission Capacity of a Cognitive Radio Network by Joint Spatial-Temporal Sensing with Cooperative Communication Strategy

Enhancing Transmission Capacity of a Cognitive Radio Network by Joint Spatial-Temporal Sensing with Cooperative Communication Strategy

Muntasir Ahmed

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Md. Anwar Hossain

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A F M Zainul Abadin

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Purno Mohon Ghosh

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α Pabna University of Science and Technology

Enhancing Transmission Capacity of a Cognitive Radio Network by Joint Spatial-Temporal Sensing with Cooperative Communication Strategy

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Abstract

In static cognitive radio network a secondary transmitter communicates directly with a secondary receiver only when the spectrum is not occupied by any primary user. The secondary user has to stop its transmission when no spectrum holes exist. To improve the transmission capacity, in this paper we approach to combine cognitive radio network with cooperative communication strategy employing spatial sensing as well as temporal sensing. In our proposed scheme when primary user is active, a secondary user transmits to another secondary user via a relay channel. By enabling the use of both the direct and relay channels, the transmission performance of the secondary system can be improved significantly. Our information-theoretic analysis as well as numerical results show that the proposed scheme significantly reduces the average symbol error probability compared to schemes based on pure temporal or spatial sensing.

References

12 Cites in Article

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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.

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Not applicable for this article.

How to Cite This Article

Muntasir Ahmed. 2013. \u201cEnhancing Transmission Capacity of a Cognitive Radio Network by Joint Spatial-Temporal Sensing with Cooperative Communication Strategy\u201d. Global Journal of Computer Science and Technology - E: Network, Web & Security GJCST-E Volume 13 (GJCST Volume 13 Issue E2): .

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GJCST Volume 13 Issue E2
Pg. 19- 24

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Journal Specifications

Crossref Journal DOI 10.17406/gjcst

Print ISSN 0975-4350

e-ISSN 0975-4172

Keywords

cognitive radio network cooperative communication joint spatial-temporal sensing spectrum sensing spectrum sharing

Submission ReceivedDecember 14, 2012
Peer Review Double Blind
Handling Editor
Accepted January 1, 2013
Published January 15, 2013

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v1.2

Issue date

March 9, 2013

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Article Matrices

Total Score: 104

Country: Bangladesh

Subject: Global Journal of Computer Science and Technology - E: Network, Web & Security

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 03, Sat

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Total Views: 9853

Total Downloads: 2440

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