Table 1 Iterative solution of problem (9)

1

Randomly initialize F and {B _k } such that the constraints (9b) and (9c) are satisfied.

2

Repeat

(a) Obtain {W _k } as defined in (11) using known {B _k } and F.

(b) Solve the subproblem (14) to update F using fixed {W _k } and {B _k }.

(c) Update {B _k } through solving the subproblem (20) using F and {W _k } known from the previous steps.

3

Until convergence.