@article{alternativechirpspreadspectrumtechniques,
  title = {Alternative Chirp Spread Spectrum Techniques for LPWANs},
  author = {Ivo Bizon Franco de Almeida and Marwa Chafii and Ahmad Nimr and Gerhard Fettweis},
  year = {2021},
  eprint = {2102.09250},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2102.09250v2},
}