Power Allocation for Eigen- Beamforming Used in Multi-Antenna System

Author

Liu, Linnan ; Kuang, Jingming ; Fei, Zesong

Author_Institution

Beijing Inst. of Technol., Beijing

fYear

2007

fDate

3-7 Sept. 2007

Firstpage

1

Lastpage

4

Abstract

Eigen-beamforming technique is introduced in two typical multi-antenna systems: space-time block coding and VBALST. When the channel covariance information is known by the transmitter, optimal power allocation algorithm for eigen-beamforming is proposed based on minimizing the transmission errors. Also, it is indicated in this paper that this algorithm can be simplified when the channel is independent - identically distributed (I.I.D.) channel. By simulation and analysis, eigen-beamforming can greatly improve the performance of multi-antenna system when this power allocation algorithm is adopted.

Keywords

block codes; channel allocation; channel coding; covariance matrices; eigenvalues and eigenfunctions; minimisation; multibeam antennas; space-time codes; VBALST; channel covariance information; channel covariance matrix; eigen-beamforming technique; independent identically distributed channel; multi-antenna system; optimal power allocation algorithm; space-time block coding; transmission error minimization; Array signal processing; Bit error rate; Block codes; Land mobile radio; MIMO; Mobile communication; Power system modeling; Radio transmitters; Space technology; Transmitting antennas; STBC; VBLAST; eigen-beamforming; multi-antenna system; power allocation;

fLanguage

English

Publisher

ieee

Conference_Titel

Personal, Indoor and Mobile Radio Communications, 2007. PIMRC 2007. IEEE 18th International Symposium on

Conference_Location

Athens

Print_ISBN

978-1-4244-1144-3

Electronic_ISBN

978-1-4244-1144-3

Type

conf

DOI

10.1109/PIMRC.2007.4394457

Filename

4394457