an e dch frame an f dpch timing offset is defined with respect to one of the rach access slot and an aich access slot carrying the acquisition indicator a relative f dpch timing offset may be signaled to the wtru and the wtru may determine a start of an e dch frame based on the relative f dpch timing offset and timing of an aich access slot including the acquisition indicator the wtru may transmit a dedicated physical control channel power control preamble before starting an e dch transmission application_number US 201615076099 A description when referred to hereafter the terminology u201c wtru u201d includes but is not limited to a user equipment ue a mobile station a fixed or mobile subscriber unit a pager a cellular telephone a personal digital assistant pda a computer or any other type of user device capable of operating in a wireless environment when referred to hereafter the terminology u201c node b u201d includes but is not limited to a base station a site controller an access point ap or any other type of interfacing device capable of operating in a wireless environment the embodiments are applicable to r8 and beyond of the 3gpp wideband code division multiple access wcmda standards where e rach is used to provide access to shared e dch resources during cell_fach state or idle mode without a need for full scale switch over to cell_dch as in previous releases it should be noted that the embodiments.