Patent ID: 6829227
Filing Date: 2004-12-07
Classification: H04L,H04W

Abstract:
A method of providing access to a wireless network for packet data transmission, the method comprising:transmitting a first poll to an identified subscriber unit of the plurality of subscriber units, the first poll authorizing a responsive transmission of a first predetermined amount of data; receiving a response to the first poll with a first fragment of data and with an indication of remaining data for transmission, the first fragment of data less than or equal to the first predetermined amount of data; when a responsive transmission to the first poll is received with the indication of remaining data for transmission, transmitting a second poll to the identified subscriber unit, the second poll authorizing a responsive transmission of a second predetermined amount of data, the second predetermined amount of data greater than the first predetermined amount of data; receiving a response to the second poll with a second fragment of data and with the indication of remaining data for transmission, the second fragment of data less than or equal to the second predetermined amount of data, and transmitting a response to the second poll with the second fragment of data; wherein the transmission of the first poll occurs on a first subchannel and the transmission of the second poll occurs independently on a second subchannel.