README.md

Coupled Phase-Shift STAR-RISs: A General Optimization Framework

The code for the paper Z. Wang, X. Mu, Y. Liu, and R. Schober, “Coupled phase-shift STAR-RISs: A general optimization framework,” IEEE Wireless Commun. Lett., vol. 12, no. 2, pp. 207-211, Feb. 2023, doi: 10.1109/LWC.2022.3219020. [IEEE] [Arxiv]

In this paper, we proposed a general optimization framework to solve the coupled phase-shift constraint of the passive lossless STAR-RIS. The proposed framework can be used as an add-on scheme. In other words, if you have designed an algorithm for the independent phase-shift STAR-RIS with respect to a specific problem, you can directly extend this algorithm to the case of coupled phase-shift STAR-RIS.

Running the simulations

Prerequisites

• MATLAB
• CVX

Launch

Run main.m

Expected Results

Convergence of the Proposed Algorithm

Citing

If you in any way use this code for research, please cite our original article listed above. The corresponding BiBTeX citation is given below:

@article{wang2022coupled,
  title={Coupled Phase-Shift {STAR-RIS}s: A General Optimization Framework},
  author={Wang, Zhaolin and Mu, Xidong and Liu, Yuanwei and Schober, Robert},
  journal={{IEEE} Wireless Commun. Lett.},
  volume={12},
  number={2},
  pages={207--211},
  year={2023},
  month=feb,
  publisher={IEEE}
}