Table 1 Dual variables and their corresponding constraints
From: Robust beamforming designs for multiuser MISO downlink with per-antenna power constraints
Dual variable | Constraint |
|---|---|
q m | \(\sum _{k=1}^{K} \text {tr}(\boldsymbol {D}_{m}\boldsymbol {X}_{k})-\alpha P_{m}\leq 0\) |
U k | Γ k (λ)≽0 |
c k | t k ≥0 |
Z k | X k ≽0 |