@conference {Chinacom2010_MIMOBC, title = {Capacity region of the multiantenna Gaussian broadcast channel with analog TX-RX beamforming}, booktitle = {5th International ICST Conference on Communications and Networking in China (CHINACOM)}, year = {2010}, month = {August}, address = {Beijing, China}, author = {Santamar{\'\i}a, Ignacio and V{\'\i}a, Javier and Naz{\'a}bal, Alfredo and Lameiro, Christian} }