Application of distributed MIMO waterfilling algorithm for broadband channels and its performance in the presence of CSI errors

Author

Anandkumar, Amod J G ; Lambotharan, Sangarapillai ; Chambers, Jonathon A.

Author_Institution

Dept of Electron. & Electr. Eng., Loughborough Univ., Loughborough, UK

fYear

2009

fDate

10-12 Dec. 2009

Firstpage

1

Lastpage

5

Abstract

A method for the application of the MIMO iterative waterfilling algorithm for broadband channels is presented. The modified game-theoretic problem formulation and its Nash equilibrium are presented, along with conditions for its existence and uniqueness and for the convergence of the distributed algorithm. The method is verified using a simple design example. The performance of the MIMO iterative waterfilling algorithm in the presence of errors in the channel state information (CSI) is also presented.

Keywords

MIMO communication; broadcast channels; distributed algorithms; game theory; iterative methods; CSI errors; MIMO iterative waterfilling algorithm; Nash equilibrium; broadband channels; channel state information; distributed MIMO waterfilling algorithm; distributed algorithm; game-theoretic problem; Broadband communication; Covariance matrix; Games; Iterative algorithm; MIMO; Nash equilibrium; Game theory; Nash equilibrium; broadband MU-MIMO systems; distributed algorithms; waterfilling;

fLanguage

English

Publisher

ieee

Conference_Titel

Cognitive Wireless Systems (UKIWCWS), 2009 First UK-India International Workshop on

Conference_Location

New Delhi

Print_ISBN

978-1-4577-0182-5

Type

conf

DOI

10.1109/UKIWCWS.2009.5749390

Filename

5749390