[1] A. Al-Kinani, C. Wang, L. Zhou, W. Zhang. Optical wireless communication channel measurements and models. IEEE Commun. Surveys Tuts., 20, 1939(2018).

[2] L. Zhao, Y. Hao, L. Chen, W. Liu, M. Jin, Y. Wu, J. Tao, K. Jie, H. Liu. High-accuracy mode recognition method in orbital angular momentum optical communication system. Chin. Opt. Lett., 20, 020601(2022).

[3] J. Zhong, J. Zhou, S. Gao, W. Liu. Secure orthogonal time-frequency multiplexing with two-dimensional encryption for optical-wireless communications. Chin. Opt. Lett., 19, 050603(2021).

[4] F. Xing, H. Yin, X. Ji, V. Leung. Joint relay selection and power allocation for underwater cooperative optical wireless networks. IEEE Trans. Wireless Commun., 19, 251(2020).

[5] Z. Cao, X. Zhang, G. Osnabrugge, J. Li, I. M. Vellekoop, A. M. J. Koonen. Reconfigurable beam system for non-line-of-sight free-space optical communication. Light Sci. Appl., 8, 591(2019).

[6] A. Ghazy, H. Selmy, H. M. Shalaby. Fair resource allocation schemes for cooperative dynamic free-space optical networks. J. Opt. Commun. Netw., 8, 822(2016).

[7] J. Liu, J. Sando, S. Shimamoto, C. Fujikawa, K. Kodate. Experiment on space and time division multiple access scheme over free space optical communication. IEEE Trans. Consum. Electron., 57, 1571(2011).

[8] M. Moltafet, N. Yamchi, M. Javan, P. Azmi. Comparison study between PD-NOMA and SCMA. IEEE Trans. Veh. Technol., 67, 1830(2018).

[9] W. Yuan, N. Wu, Q. Guo, Y. Li, C. Xing, J. Kuang. Iterative receivers for downlink MIMO-SCMA: message passing and distributed cooperative detection. IEEE Trans. Wireless Commun., 17, 3444(2018).

[10] T. Kasami, S. Lin, V. Wei, S. Yamamura. Graph theoretic approaches to the code construction for the two-user multiple- access binary adder channel. IEEE Trans. Inf. Theory, 29, 114(1983).

[11] S. Lu, W. Hou, J. Cheng, H. Kamabe. Multi-user UD k-ary codes recursively constructed from short-length multiary codes for multiple-access adder channel. IEEE International Symposium on Information Theory, 425(2019).

[12] A. Singh. Set of uniquely decodable codes for overloaded synchronous CDMA. IET Commun., 10, 1236(2016).

[13] S. Lu, W. Hou, J. Cheng, H. Kamabe. A new kind of nonbinary uniquely decodable codes with arbitrary code length for multiple-access adder channel. IEEE Information Theory Workshop, 1(2018).

[14] M. Kulhandjian, C. Amours, H. Kulhandjian. Uniquely decodable ternary codes for synchronous CDMA systems(2018).

[15] Y. Li, Q. Yu, K. He, W. Xiang. Apply uniquely-decodable codes to multiuser physical-layer network coding based on amplify-and-forward criterion. IEEE Global Communications Conference, 1(2015).

[16] Q. Yu, Y. Li, W. Meng, W. Xiang. Uniquely decodable codes for physical-layer network coding in wireless cooperative communications. IEEE Syst. J., 13, 3956(2019).

[17] M. Uysal, C. Capsoni, Z. Ghassemlooy, A. Boucouvalas, E. Udvary. Optical Wireless Communications(2016).

[18] T. M. Cover, J. A. Thomas. Elements of Information Theory(2006).