Abstract:
Communications may be established based on geographic location when a communication resource controller (101) transmits a communication message (119), which includes a message ID (120) a communication payload (121), and a set of geographic coordinates to a plurality of communication units (102, 103). Each communication units (102, 103) upon receiving the communication message (119), compares its identification code (122) with the message ID (120). If a match occurs, the communication unit (102, 103) then determines its geographic location. Having obtained the geographic location, the unit determines whether its present location is within the area defined by the set of geographic coordinates and, if so, adjust its receiver to receive the communication payload (121).
Abstract:
A first communication unit (101) transmits, to a central controller (105), a request for a group call. The central controller allocates a first inbound (I1), a second inbound (I2), and a outbound (O1) wireless communication resource for use in the group call. At the central controller, primary voice signals from the first communication unit, received via the first inbound wireless communication resource, are summed (109) with interrupt voice signals from a second communication unit (102), received via the second inbound wireless communication resource, to produce summed voice signals. The summed voice signals and a busy signal (108) are transmitted via the outbound wireless communication resource, thereby allowing the second communication unit to interrupt the group call. Additionally, the central controller can allocate a thrid inbound communication resource (I3) for use with priority interrupt voice signals which can also be summed with the primary and interrupt voice signals.
Abstract:
Alternate communication services may be provided in a communication system (100) based on the geographic location of a target communication unit. When a service request, which identifies the target communication unit and a particular service, is received by a communication resource controller (101), the communication resource controller (101) ascertains the location of a target communication unit and determines whether the target unit is located within a predefined area. If the target unit (102, 103) is located with the predefined area, the communication resource controller (101) determines whether the particular service requested is prohibited in the predefined area. If the service is prohibited, an alternate service is made available to the initiating communication unit.
Abstract:
Alternate communication services may be provided in a communication system (100) based on the geographic location of a target communication unit. When a service request, which identifies the target communication unit and a particular service, is received by a communication resource controller (101), the communication resource controller (101) ascertains the location of a target communication unit and determines whether the target unit is located within a predefined area. If the target unit (102, 103) is located with the predefined area, the communication resource controller (101) determines whether the particular service requested is prohibited in the predefined area. If the service is prohibited, an alternate service is made available to the initiating communication unit.
Abstract:
While participating in a group call on a first wireless communication resource (114), senior members (104-107) of a communication group (108) can initiate a semi-private call. A central controller (110) allocates a second wireless communication resource (115) for the semi-private call. Furthermore, executive members (106-107) can initiate an executive call to be established on a third wireless communication resource (116). Executive members can participate in the executive call, the semi-private call, and the group call, whereas senior members can participate in the semi-private call and the group call. Junior members (101-103), normally allowed to participate only in the group call, can be selected by senior members to temporarily participate in the group call and the semi-private call.
Abstract:
In a TDM wireless communication system (100), a central controller (104) monitors the transfer of a message (108) in order to determine a system grade of service. Based on the system grade of service, the central controller dynamically allocates a lesser or greater number of wireless communication resources (105). Alternatively, a communication unit (101) can directly request additional wireless communication resources.
Abstract:
Alternate communication services may be provided in a communication system (100) based on the geographic location of a target communication unit. When a service request, which identifies the target communication unit and a particular service, is received by a communication resource controller (101), the communication resource controller (101) ascertains the location of a target communication unit and determines whether the target unit is located within a predefined area. If the target unit (102, 103) is located with the predefined area, the communication resource controller (101) determines whether the particular service requested is prohibited in the predefined area. If the service is prohibited, an alternate service is made available to the initiating communication unit.