@article{1616,
  author = {Jun Cai and Attahiru Alfa and Pinyi Ren and Xuemin Shen and Jon Mark},
  title = {Packet level performance analysis in wireless user-relaying networks},
  year = {2008},
  journal = {IEEE Transactions on Wireless Communications},
  volume = {7},
  number = {12},
  pages = {5336-5345},
  publisher = {IEEE},
}