Distributed AF beamforming relay networks under transmit power constraint

Author

Kanghee Lee ; Kwon, Hyuck M. ; Sawan, Edwin M. ; Hyuncheol Park

Author_Institution

Dept. of Electr. Eng. & Comput. Sci., Wichita State Univ., Wichita, KS, USA

fYear

2013

fDate

3-6 Nov. 2013

Firstpage

1550

Lastpage

1554

Abstract

This paper investigates minimum mean square error (MMSE)-based amplify-and-forward (AF) relay amplifying matrices and source/destination beamforming vectors under perfectly known channel state information by imposing constraints on the transmit power of source and relays, separately and individually. The main contribution of this paper is the derivation of a set of relay amplifying matrices and source/destination beam-forming vectors under transmit power constraints on the source and relay. Additionally, the SNR and the MMSE cost function behaviors will be investigated numerically and analytically.

Keywords

amplify and forward communication; array signal processing; mean square error methods; relay networks (telecommunication); telecommunication power management; MMSE cost function; SNR; channel state information; distributed AF beamforming relay networks; mean square error-based amplify-and-forward relay amplifying matrices; source-destination beamforming vectors; transmit power constraint; Antennas; Array signal processing; Bit error rate; Cost function; Relays; Signal to noise ratio; Vectors; Amplify-and-forward (AF); beamforming; minimum mean square error (MMSE); power constraint;

fLanguage

English

Publisher

ieee

Conference_Titel

Signals, Systems and Computers, 2013 Asilomar Conference on

Conference_Location

Pacific Grove, CA

Print_ISBN

978-1-4799-2388-5

Type

conf

DOI

10.1109/ACSSC.2013.6810557

Filename

6810557