@article{sedaghat2017least,

title={Least square error precoders for massive MIMO with signal constraints: Fundamental limits},

author={Sedaghat, Mohammad Ali and Bereyhi, Ali and M{\"u}ller, Ralf R},

journal={IEEE Transactions on Wireless Communications},

volume={17},

number={1},

pages={667--679},

year={2017},

publisher={IEEE}

}