An Approach to Discrete Receive Beamforming

Konferenz: SCC 2013 - 9th International ITG Conference on Systems, Communication and Coding
21.01.2013 - 24.01.2013 in München, Deutschland

Tagungsband: SCC 2013

Seiten: 6Sprache: EnglischTyp: PDF

Persönliche VDE-Mitglieder erhalten auf diesen Artikel 10% Rabatt

Israel, Johannes; Fischer, Andreas (Institute of Numerical Mathematics, Technische Universität Dresden, 01062 Dresden, Germany)

We present an approach for discrete receive beamforming with the aim of approximately maximizing the signalto-interference-plus-noise ratio. For an antenna array the beamforming weights (amplitude and phase) of all array elements are allowed to vary in a given discrete set. This is of practical importance for amplifiers and phase shifters with a discrete resolution. Adapting the Capon method we introduce a discrete optimization problem that can be efficiently solved by a branchand- bound algorithm. Numerical experiments show the capability of this approach.