Cancellation of interference in a communication system with application to S-CDMA. A relatively straight-forward implemented and computationally efficient approach of selecting a predetermined number of unused codes is used to perform weighted linear combination selectively with each of the input spread...http://www.google.com/patents/US7457351?utm_source=gb-gplus-sharePatent US7457351 - Cancellation of interference in a communication system with application to S-CDMA