초록 ▼

In a wireless CDMA system, responsive to receiving a request for a group call for a given talk group, a controller (12) allocates an outbound group call channel to the group (202), and uniquely assigned inbound and outbound channels to each subscriber unit in the group (203). Each subscriber unit in

In a wireless CDMA system, responsive to receiving a request for a group call for a given talk group, a controller (12) allocates an outbound group call channel to the group (202), and uniquely assigned inbound and outbound channels to each subscriber unit in the group (203). Each subscriber unit in the group receives an identification of its uniquely assigned inbound and outbound channels (303). Via its uniquely assigned outbound channel, a given subscriber unit receives inbound control information (304) from the controller. By providing each subscriber unit in the group with a uniquely assigned outbound channel, in addition to the outbound group call channel, control information is readily provided to multiple subscriber units, thereby facilitating the establishment of group calls in CDMA systems.

대표청구항 ▼

1. A subscriber unit for use in a wireless CDMA communication system comprising a plurality of base stations coupled to a controller, the plurality of base stations in wireless communication with a plurality of subscriber units that includes the subscriber unit, the subscriber unit comprising:means

1. A subscriber unit for use in a wireless CDMA communication system comprising a plurality of base stations coupled to a controller, the plurality of base stations in wireless communication with a plurality of subscriber units that includes the subscriber unit, the subscriber unit comprising:means for receiving, from the controller, an identification of an outbound group call channel allocated to a group, wherein the subscriber unit is in a subset of the plurality of subscriber units logically arranged into the group targeted in a group call; and means for receiving, from the controller, an identification of a uniquely assigned outbound channel for use in the group call.