MMSE based power allocation for broadband cooperative communication with amplify-and-forward protocol

Fan Shuo Tseng; Jwo-Yuh Wu; Ta-Sung Lee

doi:10.1109/TENCON.2007.4428795

MMSE based power allocation for broadband cooperative communication with amplify-and-forward protocol

Fan Shuo Tseng^*, Jwo-Yuh Wu, Ta-Sung Lee

^*Corresponding author for this work

National Chiao Tung University

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

This paper proposes a subcarrier power allocation scheme for broadband OFDM cooperative communications, in the typical single-relay scenario with the amplify-and-forward protocol. The design criterion is to minimize the mean square error (MSE) of the received signal at the destination. Relying on the Lagrange multiplier techniques we derive a closed-form solution of the optimal power loading factors. Numerical simulation result shows that the proposed scheme significantly improves the bit-error-rate performance when compared with the systems without power loading.

Original language	English
Title of host publication	TENCON 2007 - 2007 IEEE Region 10 Conference
DOIs	https://doi.org/10.1109/TENCON.2007.4428795
State	Published - 1 Dec 2007
Event	IEEE Region 10 Conference, TENCON 2007 - Taipei, Taiwan Duration: 30 Oct 2007 → 2 Nov 2007

Publication series

Name	IEEE Region 10 Annual International Conference, Proceedings/TENCON

Conference

Conference	IEEE Region 10 Conference, TENCON 2007
Country	Taiwan
City	Taipei
Period	30/10/07 → 2/11/07

Access to Document

10.1109/TENCON.2007.4428795

Link to publication in Scopus

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Cite this

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title = "MMSE based power allocation for broadband cooperative communication with amplify-and-forward protocol",

abstract = "This paper proposes a subcarrier power allocation scheme for broadband OFDM cooperative communications, in the typical single-relay scenario with the amplify-and-forward protocol. The design criterion is to minimize the mean square error (MSE) of the received signal at the destination. Relying on the Lagrange multiplier techniques we derive a closed-form solution of the optimal power loading factors. Numerical simulation result shows that the proposed scheme significantly improves the bit-error-rate performance when compared with the systems without power loading.",

author = "Tseng, {Fan Shuo} and Jwo-Yuh Wu and Ta-Sung Lee",

year = "2007",

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doi = "10.1109/TENCON.2007.4428795",

language = "English",

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Tseng, FS, Wu, J-Y & Lee, T-S 2007, MMSE based power allocation for broadband cooperative communication with amplify-and-forward protocol. in TENCON 2007 - 2007 IEEE Region 10 Conference., 4428795, IEEE Region 10 Annual International Conference, Proceedings/TENCON, IEEE Region 10 Conference, TENCON 2007, Taipei, Taiwan, 30/10/07. https://doi.org/10.1109/TENCON.2007.4428795

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AU - Wu, Jwo-Yuh

AU - Lee, Ta-Sung

PY - 2007/12/1

Y1 - 2007/12/1

N2 - This paper proposes a subcarrier power allocation scheme for broadband OFDM cooperative communications, in the typical single-relay scenario with the amplify-and-forward protocol. The design criterion is to minimize the mean square error (MSE) of the received signal at the destination. Relying on the Lagrange multiplier techniques we derive a closed-form solution of the optimal power loading factors. Numerical simulation result shows that the proposed scheme significantly improves the bit-error-rate performance when compared with the systems without power loading.

AB - This paper proposes a subcarrier power allocation scheme for broadband OFDM cooperative communications, in the typical single-relay scenario with the amplify-and-forward protocol. The design criterion is to minimize the mean square error (MSE) of the received signal at the destination. Relying on the Lagrange multiplier techniques we derive a closed-form solution of the optimal power loading factors. Numerical simulation result shows that the proposed scheme significantly improves the bit-error-rate performance when compared with the systems without power loading.

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