Help Required: Digital Beamforming Basics

Dear all

I am new to the concept of digital beamforming. I want to make some basic understanding of this tilte. I searched for my self but I could not find as much I want. so pls if anybody can help me in this regard like indicating some good books or material available on internet i shall be very gratefull.

thanks in advance

kindly share the helping material

hello , I also need this:(
plz if u get,do share