There is provided an apparatus and method for using QOF (Quasi-Orthogonal Function) Walsh codes when enough orthogonal Walsh codes are not available for a packet data service in a mobile communication system supporting concurrent provision of a high rate packet data service and a circuit call service....http://www.google.fr/patents/US7039002?utm_source=gb-gplus-shareBrevet US7039002 - Apparatus and method for transmitting packet data using walsh codes in a mobile communication system
Apparatus and method for transmitting packet data using walsh codes in a ...
