Joint MMSE Transceiver Designs and Performance Benchmark for CoMP Transmission and Reception

Figure 2

Convergence of the GIA for setup 3a (JP-SU) under the per-antenna power constraint. The MSEs and differences, 𝑑𝐺 and 𝑑𝑃 defined in (52), as functions of the iteration number. Solid, dotted, and dashed lines are results with 10log₁₀𝑃=5, 15, and 25 dB, respectively.