Robust MMSE Transceiver Designs for Downlink MIMO Systems with Multicell Cooperation

Figure 9

MSE and BER as functions of estimated 𝜌_𝑇 or 𝜌_𝑅 under per-antenna and per-cell power constraints (10log₁₀𝑡𝑃=10log₁₀3+10 dB, averaging over 20 channel realizations). (Legends are the same as in Figure 5.)

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