@article{navrlasystemlevelframeworkforimprovingsi,
  title = {NavRL++: A System-Level Framework for Improving Sim-to-Real Transfer in Reinforcement Learning-Based Robot Navigation},
  author = {Zhefan Xu and Hanyu Jin and Kenji Shimada},
  year = {2026},
  eprint = {2605.15559},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2605.15559},
}