Patent ID: 6130887
Filing Date: 2000-10-10
Classification: H04B

Abstract:
In a communication system for communicating on at least one channel group, the at least one channel group having at least one forward channel and at least one return channel, wherein a central station transmits data over said at least one forward channel of the at least one channel group to a plurality of terminals at a forward data rate, and transmissions by any of the plurality of terminals to the central station are performed on any one of the at least one return channel of the at least one channel group at a return data rate, a demodulator comprising:a burst demodulator demodulating received, discrete signaling packets of information; anda message demodulator responsively connectable to said burst demodulator, wherein when said message demodulator is activated, said burst demodulator becomes deactivated when the at least one return channel operates in a messaging mode.