AF MIMO Beamforming Relay Networks under Various Power Constraints

Author

Sangku Lee ; Kwon, Hyuck M. ; Kanghee Lee ; Hyuncheol Park

Author_Institution

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

fYear

2013

fDate

18-20 Nov. 2013

Firstpage

1273

Lastpage

1277

Abstract

This paper studies amplify-and-forward (AF) multiple-input multiple-output (MIMO) beamforming relay networks based on the minimum mean square error (MMSE) criterion under various transmit power constraints. The primary contribution of this paper is the derivation of a set of optimal relay amplifying matrices and source-destination beamforming vectors under diverse conditions of transmit power constraints on the source and the relay for the AF MIMO wireless relay network. By comparing the bit error rate (BER) performance of each case, an efficient design of a half-duplex AF relay system is presented.

Keywords

MIMO communication; amplify and forward communication; array signal processing; error statistics; least mean squares methods; matrix algebra; relay networks (telecommunication); vectors; AF MIMO wireless relay network; AF multiple-input multiple-output beamforming relay networks; BER performance; MMSE criterion; amplify-and-forward MIMO beamforming relay networks; bit error rate performance; half-duplex AF relay system; minimum mean square error criterion; optimal relay amplifying matrices; source-destination beamforming vectors; transmit power constraints; Array signal processing; Bit error rate; High definition video; MIMO; Relays; Vectors; Wireless communication; Multiple-input multiple-output (MIMO); beamforming; halfduplex (HD); minimum mean square error (MMSE); relay amplifying matrix;

fLanguage

English

Publisher

ieee

Conference_Titel

Military Communications Conference, MILCOM 2013 - 2013 IEEE

Conference_Location

San Diego, CA

Type

conf

DOI

10.1109/MILCOM.2013.217

Filename

6735799