Trunked talk-group assignment method
First Claim
1. In a trunked communication system having, at least, a plurality of subscriber units, a limited number of communication resources, a communication resource controller, a predetermined number of assignable talk groups, and substantially more user groups than the predetermined number of assignable talk groups, wherein the communication resource controller allocates the limited number of communication resources among at least one of the plurality of subscriber units when the at least one of the plurality of subscriber units is affiliated with one of the predetermined number of assignable talk groups, a method for affiliating a subscriber unit of the plurality of subscriber units to one of the predetermined number of assignable talk groups, the method comprises the steps of:
- a) transmitting, by a subscriber unit, a user group assignment request that includes a selected user group of the user groups;
b) determining whether the selected user group is actively assigned to one of the predetermined number of assignable talk groups;
c) when the selected user group is not actively assigned to one of the predetermined number of assignable talk groups, determining whether at least one of the predetermined number of assignable talks groups is not actively assigned to a user group to produce at least one available talk;
d) when the at least one available talk group exists, temporarily assigning the selected user group to one of the at least one available talk group to produce an assigned talk group; and
e) temporarily affiliating the subscriber unit to the assigned talk group.
1 Assignment
0 Petitions
Accused Products
Abstract
A trunked communication system having reassignable talk-groups. By having the talk-groups reassignable, the trunked communication system can accommodate a large number of user groups without adding to the control resource traffic congestion.
68 Citations
15 Claims
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1. In a trunked communication system having, at least, a plurality of subscriber units, a limited number of communication resources, a communication resource controller, a predetermined number of assignable talk groups, and substantially more user groups than the predetermined number of assignable talk groups, wherein the communication resource controller allocates the limited number of communication resources among at least one of the plurality of subscriber units when the at least one of the plurality of subscriber units is affiliated with one of the predetermined number of assignable talk groups, a method for affiliating a subscriber unit of the plurality of subscriber units to one of the predetermined number of assignable talk groups, the method comprises the steps of:
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a) transmitting, by a subscriber unit, a user group assignment request that includes a selected user group of the user groups; b) determining whether the selected user group is actively assigned to one of the predetermined number of assignable talk groups; c) when the selected user group is not actively assigned to one of the predetermined number of assignable talk groups, determining whether at least one of the predetermined number of assignable talks groups is not actively assigned to a user group to produce at least one available talk; d) when the at least one available talk group exists, temporarily assigning the selected user group to one of the at least one available talk group to produce an assigned talk group; and e) temporarily affiliating the subscriber unit to the assigned talk group. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. In a trunked communication system having, at least, a plurality of subscriber units, a limited number of communication resources, a communication resource controller, a predetermined number of assignable talk groups, and substantially more user groups than the predetermined number of assignable talk groups, wherein the communication resource controller allocates the limited number of communication resources among at least one of the plurality of subscriber units when the at least one of the plurality of subscriber units is affiliated with one of the predetermined number of assignable talk groups, a method for a subscriber unit of the plurality of subscriber units to affiliate with one of the predetermined number of assignable talk groups, the method comprises the steps of:
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a) transmitting, by a subscriber unit, a user group assignment request that includes a selected user group of the user groups; b) receiving notification that the selected user group has been assigned to a talk group; and c) transmitting an acknowledgement that indicates that the assigned user group is still needed. - View Dependent Claims (9, 10)
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11. In a trunked communication system having, at least, a plurality of subscriber units, a limited number of communication resources, a communication resource controller, a predetermined number of assignable talk groups, and substantially more user groups than the predetermined number of assignable talk groups, wherein the communication resource controller allocates the limited number of communication resources among at least one of the plurality of subscriber units only when the at least one of the plurality of subscriber units is affiliated with one of the predetermined number of assignable talk groups, a method for the communication resource controller to affiliate a subscriber unit of the plurality of subscriber units to one of the predetermined number of assignable talk groups, the method comprises the steps of:
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a) receiving a user group assignment request that includes a selected user group; b) determining whether the selected user group is actively assigned to one of the predetermined number of assignable talk groups; c) when the selected user group is not actively assigned to one of the predetermined number of assignable talk groups, determining whether at least one of the predetermined number of assignable talk groups is not available to produce at least one available talk group; d) when the at least one available talk group exists, assigning the selected user group to one of the at least one available talk group to produce an assigned talk group; and e) affiliating the subscriber unit to the assigned talk group. - View Dependent Claims (12, 13, 14, 15)
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Specification