Patent ID: 7349375

Claim:
An access radio port of a terrestrial wireless network that is coupled to a packet network, comprising: means for receiving one or more packets having a destination address that corresponds to a particular mobile subscriber terminal out of a plurality of mobile subscriber terminals; means for assigning an orthogonal code, g i , to the particular mobile terminal that corresponds to said destination address; means for creating an outgoing message comprising payload information of said one or more packets, and terminated with an end-of-message flag; means for spreading the outgoing message with said g i orthogonal code and an orthogonal code, ω i , that is assigned to said access radio port to form a twice spread message; means for transmitting the twice spread message over the wireless terrestrial network; and means for releasing the g i orthogonal code following transmission of the spread end-of-message flag when a negative acknowledgement fails to arrive within a preselected time interval.