Introduction - If you have any usage issues, please Google them yourself
Asymmetric punctured to 1/2 turbo coded modulation
Reference: A. Stefanov and T.M Duman, “Turbo-Coded Modulation for Systems with Transmit and Receive Antenna Diversity over Block Fading Channels: System Model, Decoding Approaches, and Practical Considerations”, IEEE Journal on Selected Areas in Communications, Vol. 19, No.5, May 2001, pp. 958-968