Patent ID: 6332006
Filing Date: 2001-12-18
Classification: H04L

Abstract:
In a wireless communications system including at least one base station operative to serve a plurality of subscriber units, a method of communicating comprising the steps of:transmitting a message on at least one of a first communications channel having a first redundancy level or a second communications channel having a second redundancy level greater than the first redundancy level; andreceiving a radio communications signal on one of the first communications channel and the second communications channel; anddemodulating the received radio communications signal to recover the message using a first demodulation scheme if the radio communications signal is received on the first communications channel and using a second demodulation scheme if the radio communications signal is received on the second communications channel, wherein said step of demodulating comprises the step of coherently demodulating the received radio communications signal if the radio communications signal is received over the first communications channel and non-coherently demodulating the received radio communications signal if the radio communications signal is received over the second communications channel.