DOA based beamformer

Hi everyone,
I am doing a project in DOA based beamformer in fixed point DSP. I have a
doubt. Can an eigen beamformer be used in DOA based beamformer. The DOA
(MUSIC algorithm) estimator calculates the direction of the incoming signal
and beamformer designs the radiation pattern such that the main lobe is
directed towards the signal of interest and nulls towards the
interfereces.
Can I use an eigen beamformer in this setup? If so can anyone guide me to
any book or online resources that talk abt that.
Bye.

On 12 Nov, 02:04, "krish_dsp" <nmkr...@gmail.com> wrote:
> Hi everyone,
> I am doing a project in DOA based beamformer in fixed point DSP. I have a
> doubt. Can an eigen beamformer be used in DOA based beamformer.

Don't know what you mean by 'DOA based beamformer.' Beamformers
are used to estimate the Direction of Arrival (Acronym DoA or DOA).

> The DOA
> (MUSIC algorithm) estimator

OK, I assume you are talking about MUSIC.

> calculates the direction of the incoming signal
> and beamformer designs the radiation pattern such that the main lobe is
> directed towards the signal of interest and nulls towards the
> interfereces.

You are talking about two different things here.
If you are lucky, MUSIC helps out with estimating
the diraction to narrow-band sources, whether or
not you are interested in them. MUSIC does *not*
cancel interferences. MUSIC may or may not work in
the presence of broad-band (in DoA domain) sources.

> Can I use an eigen beamformer in this setup?

I answered that question several months ago.

> If so can anyone guide me to
> any book or online resources that talk abt that.

The Oct 1981 Proc IEEE article by Kay and Marple
The Sept 1982 Proc IEEE article by Tufts and Kumaresan
"Adaptive Filters" by Haykin

should get you started.

Rune