Patent ID: 9131488
Filing Date: 2015-09-08
Classification: H04W

Abstract:
1. A method to transmit uplink information, the method comprising: requesting, by a wireless transmit/receive unit (WTRU), a common enhanced dedicated channel (E-DCH) resource from a network utilizing a preamble reserved for fallback to a Release 99 Physical Random Access Channel (R99 PRACH); receiving an indication from the network to fallback to R99 PRACH, wherein the indication is received via an acquisition indicator (E-AI); determining whether a condition is met, wherein the condition is met if the WTRU has data to transmit on a channel configured for fallback to R99 PRACH, and wherein the channel configured for fallback to R99 PRACH is a common control channel (CCCH) or a dedicated control channel (DCCH); and transmitting the uplink information over the R99 PRACH if the condition is met.