@article{optimaldiscretebeamformingof, title = {Optimal Discrete Beamforming of RIS-Aided Wireless Communications: An Inner Product Maximization Approach}, author = {Rujing Xiong and Xuihui Dong and Tiebin Mi and Kai Wan and Robert Caiming Qiu}, year = {2022}, eprint = {2211.04167}, archivePrefix = {arXiv}, url = {https://arxiv.org/abs/2211.04167v7}, }