Wireless communication network dynamically assigning communicators to allocated channels by considering the interference and noise environment to maximize the number of communicators and effective bandwidth of the channel. The present invention provides a digital wireless modem capable of measuring interference and noise in a channel, signaling the information on a control channel, accepting dynamic channel assignments from a controlling element and demodulating signals in the presence of interference and noise. The modem uses a demodulator capable of recovering information from data signals in the presence of noise and interference stronger than the primary signal, and there is a controlling element for transmitting noise and interference measurements to a central network controller and a controlling element for determining channel assignments with the central network controller and setting the modem to the correct transmission and reception channel.