A service option overlay for a CDMA wireless communication in which multiple allocatable subchannels are defined on a reverse link by assigning different code phases of a given long pseudonoise (PN) code to each subchannel. The instantaneous bandwidth needs of each on-line subscriber unit are then met...http://www.google.co.uk/patents/US6678260?utm_source=gb-gplus-sharePatent US6678260 - System and method for maintaining wireless channels over a reverse link of a CDMA wireless communication system
