Various example embodiments are disclosed including methods, a system, a transmitter apparatus, a receiver apparatus, and computer program products which may provide advanced feedback signaling in a multi-antenna transmission system. In an example embodiment, a codebook may include an indexed set of beamforming elements, and may further include a first subset of elements for phase-only antenna control, and at least one of a second subset of elements for antenna subset selection, and a third subset of elements for single antenna selection.