The invention relates to a data transmission method, a transmitter and a receiver in a system which utilizes the CDMA method, in which several users communicate simultaneously on the same frequency band, and in which each user has its own spreading code, and in which the information channel capacity...http://www.google.de/patents/US6449266?utm_source=gb-gplus-sharePatent US6449266 - Data transmission method, transmitter, and receiver
