Need help with Room Layout/Sound Reduction

Hi all, I'm new here... I am in need of your help. I have a small area... I wouldn't call it a room because one side of it is open. I live in a rent condo and would like to setup a project studio in an area that is 8.3ft X 11ft. This area has a patio door opening about 70" and it has carpet. I have attached drawing. How can I reduce noise in this area? I planned to close off the open area using thick curtains. I want to extend the curtains around to the patio door. I have a KRK Rokit 5 setup with the 10s subwoofer. My main issue is reducing bass bounce off the walls... unfortunately I have neighbors with attitudes, and second is being able to use the area for mixing and vocal recording. Any help would be greatly appreciated. Demi

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