Source code (python and/or Matlab) for the paper N. T. Nguyen, Q.-D. Vu, K. Lee, and M. Juntti, "Hybrid Relay-Reflecting Intelligent Surface-Assisted Wireless Communications," IEEE Transactions on Vehicular Technology, vol. 71, no. 6, pp.6228 - 6244, Mar. 2022. available (open access) at https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=9733238 Please cite out paper if the code is used for your work.