Preetam Kumar Saswat Chakrabarti Performance evaluation of a new overloading scheme for cellular DS-CDMA with iterative multistage interference cancellation receiver. 25-30 2008 COMSWARE http://dx.doi.org/10.1109/COMSWA.2008.4554373 conf/comsware/2008 db/conf/comsware/comsware2008.html#KumarC08