@article{chen_yuen_2013, 
  title={Efficient Resource Allocation in a Rateless-Coded MU-MIMO Cognitive Radio Network With QoS Provisioning and Limited Feedback}, 
  volume={62}, 
  DOI={10.1109/tvt.2012.2219568}, 
  publisher={Institute of Electrical and Electronics Engineers (IEEE)}, 
  author={Chen and Yuen}, 
  year={2013}
  }