@article{1870,
  author = {Jennifer Lee and Weihua Zhuang},
  title = {Channel precoding with small envelope variations for/spl pi//4-QPSK and MSK over frequency-selective slow fading channels},
  year = {2003},
  journal = {IEEE transactions on vehicular technology},
  volume = {52},
  number = {1},
  pages = {24-36},
  publisher = {IEEE},
}