Patent ID: 7869404

Claim:
A mobile station, comprising: a spread-spectrum transmitter; a spread-spectrum receiver; and a controller coupled to the spread-spectrum transmitter and the spread-spectrum receiver, for controlling operations of the mobile station for accessing a wireless communication network to transmit a data packet, including operations comprising: (a) transmitting a request message over-the-air to a node of the wireless communication network, the request message requesting access to a resource of the network, wherein the operation of transmitting the request message comprises transmitting a sequence of preamble segments at sequentially increasing power levels; (b) receiving a first acknowledgement message over-the-air from the node, the first acknowledgement message comprising a deferral instruction, and ceasing transmission of the preamble segments in response to the receipt of the first acknowledgement message; (c) in response to the deferral instruction, deferring transmission of the data packet, wherein there are no further transmissions of preamble segments during the deferring of the transmission of the data packet; (d) receiving a second acknowledgement message over-the-air from the node, the second acknowledgement message comprising an instruction allowing access to the requested network resource; and (e) in response to the instruction allowing access, transmitting the data packet over-the-air using the requested network resource.