@article{1823,
  author = {Lin Cai and Xuemin Shen and Jon Mark and Lin Cai and Yang Xiao},
  title = {Voice capacity analysis of WLAN with unbalanced traffic},
  year = {2006},
  journal = {IEEE transactions on vehicular technology},
  volume = {55},
  number = {3},
  pages = {752-761},
  publisher = {IEEE},
}