From: Beamforming matrix quantization with variable feedback rate
Bit assignment
Ave number of feedback bits
Scheme A
Perfect feedback
∞
Scheme B
b ψ = 1 and b ϕ = 3
12
Scheme C
b ψ = 2 and b ϕ = 2
Scheme D
b ψ = 2 and b ϕ = 3
15
Scheme E (proposed)
Tables 4 and 5
12.71
