Errorless codes for over-loaded CDMA with active user detection

FREE-DOWNLOAD P Pad, M Soltanolkotabi… – … , 2009. ICC’09. research …, 2009
Abstract—In this paper we introduce a new class of codes for over-loaded synchronous wireless
CDMA systems which increases the number of users for a fixed number of chips without introducing
any errors. In addition these codes support active user detection. We derive an upper