초록 ▼

A CDMA wireless digital communication system which supports all types of voice and data communications while utilizing the minimum amount of bandwidth for the particular application. The system efficiently allocates ISDN bandwidth on demand by a subscriber. Upon initialization of the subscriber unit

A CDMA wireless digital communication system which supports all types of voice and data communications while utilizing the minimum amount of bandwidth for the particular application. The system efficiently allocates ISDN bandwidth on demand by a subscriber. Upon initialization of the subscriber unit, the system establishes a channel and generates the necessary spreading codes to support the highest capacity channel desired by the subscriber unit. Portions of the communication spectrum bandwidth are not reserved until actually required by the subscriber unit. Since the call setup is performed at the beginning of a call from that subscriber unit, including the assignment of spreading codes, a subscriber unit can quickly gain access to the portion of the spectrum that is required to support the particular application.

대표청구항 ▼

1. A wireless digital CDMA communication system, including a base station and at least one subscriber unit, for supporting a plurality of communication rates by using a plurality of communication channels between a base station and a subscriber unit, the system comprising:at least one base station c

1. A wireless digital CDMA communication system, including a base station and at least one subscriber unit, for supporting a plurality of communication rates by using a plurality of communication channels 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 a first data rate required to support said first communication; means for allocating a sufficient number of communication channels for transmission to said at least one subscriber unit at said first data rate, said allocating means being responsive to said first determining means; and means for monitoring said first determining means and dynamically adding or tearing down communication channels to change the number of allocated communication channels; and at least one subscriber unit comprising: means for receiving said first communication having said first data rate; second means for processing a second communication for transmitting to said base station including second means for determining a second data rate required to support said second communication; means for allocating a sufficient number of communication channels for transmission to said at least one base station at said second data rate, said second allocating means being responsive to said second determining means; and means for monitoring said second determining means and dynamically adding or tearing down communication channels to change the number of allocated communication channels; wherein said second data communication rate is higher than said first data communication rate, and whereby said base station has means for receiving said second communication having said second data rate.