@article{ouyang2022ergodic,

title={On the Ergodic Mutual Information of Keyhole MIMO Channels With Finite-Alphabet Inputs},

author={Ouyang, Chongjun and Bereyhi, Ali and Asaad, Saba and M{\"u}ller, Ralf R. and Cheng, Julian and Yang, Hongwen},

journal={IEEE Communications Letters},

volume={Early Access},

number={},

pages={1--5},

year={2022},

month = oct,

publisher={IEEE}

}