Patent ID: 6075792
Filing Date: 2000-06-13
Classification: H04B,H04J,H04L,H04Q,H04W

Abstract:
A wireless digital CDMA communication system, including a base station and at least one subscriber unit, for transmitting a plurality of communications having independent data rates between a base station and a subscriber unit, the system comprising:at least one base station comprising:first means for processing a first communication for transmitting to said at least one subscriber unit including first means for determining the data rate required to support said first communication; andfirst transmission means for transmitting communications at one of said plurality of data rates having data rate selection means responsive to said first determining means;and at least one subscriber unit comprising:means for establishing a communication channel having a capacity of a first data communication rate;means for communicating at a second data communication rate, wherein said first data communication rate is higher than said second data communication rate;second means for processing a second communication for transmitting to said base station including second means for determining the data rate required to support said communication;second transmission means for transmitting communications at one of a plurality of data rates including data rate selection means responsive to said second determining means; andmeans for establishing a ISDN channel including two B channels and a D channel; wherein said system selectively utilizes said B and said D channels depending upon the later rate required to support said desired communication.