@phdthesis{
  author = {H. Schepker},
  year = {2015},
  month = {Dec},
  title = {Compressive Sensing Multi-User Detection Approaches for Sporadic Communication},
  school = {University of Bremen, Germany},
  publisher = {Schaker Verlag},
  ISBN = {978-3-8440-4111-8},
  address={Bremen, Germany}
}