@inproceedings{1231,
  author = {Jing Liu and Wenlin Wang and Zhongming Zheng and Xiaoxia Zhang and Chen Chen and Xuemin Shen},
  title = {Lifetime extended cooperative MAC protocol for wireless LANs},
  year = {2012},
  journal = {Global Communications Conference (GLOBECOM), 2012 IEEE},
  pages = {5476-5481},
  publisher = {IEEE},
}