In an illustrative embodiment of the present invention, a channel is allocated to carry messages from each of multiple subscriber units to a base station. Selected messages generated by a subscriber unit that would otherwise be transmitted over an assigned reverse link traffic channel are instead encoded...http://www.google.fr/patents/US7502351?utm_source=gb-gplus-shareBrevet US7502351 - Alternate channel for carrying selected message types
Alternate channel for carrying selected message types
