Patent ID: 6891810
Filing Date: 2005-05-10
Classification: H01Q,H04L,H04M,H04W

Abstract:
1. For use in a fixed wireless access network comprising a plurality of base stations capable of bidirectional time division duplex (TDD) communication with wireless access devices disposed at a plurality of subscriber premises, a radio frequency (RF) modem shelf comprising: a first RF modem capable of communicating with a plurality of said wireless access devices using TDD frames, each TDD frame having an uplink for receiving data and a downlink for transmitting data; and a modulation controller associated with said RF modem shelf capable of determining an optimum modulation configuration for each of said plurality of wireless access devices communicating with said first RF modem, wherein said modulation controller causes said first RF modem to transmit first downlink data to a first wireless access device in a first data block having a first optimum modulation configuration and to transmit second downlink data to said first wireless access device in a second data block having a different second optimum modulation configuration.