CN107040900B - Cluster communication system, user terminal thereof and dynamic group calling method - Google Patents
Cluster communication system, user terminal thereof and dynamic group calling method Download PDFInfo
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
Abstract
The invention relates to cluster communication system and its user terminal, dynamic group calling method, which comprises real-time obtaining self position information, and according to at least stored dynamic group numbers and the area range corresponding to the dynamic group numbers, judging whether the self position is in the area range, if yes, setting the state of the corresponding dynamic group number as activated, if no, setting the state of the corresponding dynamic group number as deactivated, when receiving the call establishment request on the control channel, obtaining the dynamic group number and service channel carried by the call establishment request from the call establishment request, and judging whether the dynamic group number is activated, and when the dynamic group number is activated, switching to the service channel.
Description
Technical Field
The invention relates to the field of communication, in particular to cluster communication systems, user terminals thereof and a dynamic group calling method.
Background
The cluster communication system is radio systems for providing communication service for the production scheduling and commanding of mobile users, and can be applied to the fields of public safety, aviation, ports, traffic logistics, disaster relief and emergency rescue and the like in .
The group calling initiating mode in the cluster system comprises the following two modes: (1) a user terminal initiates a call to a pre-allocated fixed group; (2) the dispatching desk initiates dynamic recombination, after the recombination is successful, the terminal in the dynamic group can initiate call to the dynamic group.
For , it usually happens that many irrelevant users in the fixed group also participate in the group call service, for example, an emergency or disaster occurs somewhere, and it is necessary to immediately notify or organize the people in the relevant area (for example, within 5 km of the incident place) to deal with the emergency, if a fixed group has 1000 group members, but 300 group members in the fixed group are outside the relevant area at this time, and it is not necessary to participate in the group call service.
For the second mode, since dynamic reassembly refers to a service of organizing a new talk group into a ue through an air interface, in the dynamic reassembly process, the bs needs to send a paging signaling (C _ AHOY) to each reconfigured ues, and each reconfigured ues need to reply a response signaling (C _ ACKU) to the bs.
Disclosure of Invention
The technical problem to be solved by the present invention is to provide trunking communication systems, user terminals thereof, and methods for dynamic group calling, which do not need to spend a long time for dynamic reconfiguration, and make irrelevant group members not need to participate in the group calling service.
The technical scheme adopted by the invention for solving the technical problems is that the method for constructing kinds of dynamic group calling of the trunking communication system comprises the following steps:
acquiring own position information in real time, sequentially judging whether the own position is in the area range according to at least stored dynamic group numbers and the area range corresponding to the dynamic group numbers, if so, setting the state of the corresponding dynamic group number to be activated, and if not, setting the state of the corresponding dynamic group number to be deactivated;
when a call establishment request is received on a control channel, a dynamic group number and a service channel carried by the call establishment request are obtained from the call establishment request, whether the dynamic group number is in an activated state or not is judged, and when the dynamic group number is in the activated state, the dynamic group number is switched to the service channel.
Preferably, the method further comprises the following steps:
and reporting the state information of the corresponding dynamic group number to the control device.
Preferably, before acquiring the own location information in real time, the method further includes:
receiving broadcast packets on a control channel, wherein the broadcast packet includes a dynamic group number and area range information corresponding to the dynamic group number, and determining whether the broadcast packet belongs to a dynamic group corresponding to the dynamic group number, if so, storing the dynamic group number and the area range corresponding to the dynamic group number in the broadcast packet.
Preferably, the step of setting the state of the corresponding dynamic group number to active comprises:
judging whether the state of the corresponding dynamic group number is an activated state, if not, changing the state of the corresponding dynamic group number into the activated state;
the step of setting the state of the corresponding dynamic group number to be deactivated includes:
and judging whether the state of the corresponding dynamic group number is an activated state, and if so, changing the state of the corresponding dynamic group number into a deactivated state.
The invention also constructs kinds of dynamic group calling method of cluster communication system, which includes:
when a call establishment request is received on a control channel, acquiring self position information;
acquiring the dynamic group number and the service channel carried by the call establishment request from the call establishment request, acquiring the area range corresponding to the dynamic group number according to at least dynamic group numbers stored in the call establishment request and the area range corresponding to the dynamic group number, and judging whether the position of the call establishment request is in the area range;
and when the position of the mobile terminal is judged to be in the area range, setting the state of the dynamic group number as activated, and switching to the service channel.
Preferably, before the step of receiving the call establishment request, the method further comprises:
receiving broadcast packets on a control channel, wherein the broadcast packet includes a dynamic group number and area range information corresponding to the dynamic group number, and determining whether the broadcast packet belongs to a dynamic group corresponding to the dynamic group number, if so, storing the dynamic group number and the area range corresponding to the dynamic group number in the broadcast packet.
The present invention also constructs user terminals of a group communication system, including a processor, a memory and a communication module, wherein,
the communication module, for receiving a call setup request on a control channel;
the th memory for storing program instructions and at least dynamic group numbers and the area ranges corresponding to the dynamic group numbers;
the th processor for performing the following steps in accordance with the program instructions:
acquiring own position information in real time, sequentially judging whether the own position is in the area range according to at least stored dynamic group numbers and the area range corresponding to the dynamic group numbers, if so, setting the state of the corresponding dynamic group number to be activated, and if not, setting the state of the corresponding dynamic group number to be deactivated;
when a call establishment request is received on a control channel, a dynamic group number and a service channel carried by the call establishment request are obtained from the call establishment request, whether the dynamic group number is in an activated state or not is judged, and when the dynamic group number is in the activated state, the dynamic group number is switched to the service channel.
Preferably, the th processor is further configured to perform the following steps according to the program instructions:
and reporting the state information of the corresponding dynamic group number to the control device through the th communication module.
Preferably, the first and second electrodes are formed of a metal,
the communication module is further configured to receive a packet over a control channel, the packet including a dynamic group number and zone range information corresponding to the dynamic group number,
the processor further configured to perform the following steps in accordance with the program instructions:
when broadcast packets are received on a control channel, whether the dynamic group number belongs to the dynamic group corresponding to the dynamic group number in the broadcast packet is judged, and if the dynamic group number belongs to the dynamic group corresponding to the dynamic group number in the broadcast packet, the dynamic group number in the broadcast packet and the corresponding area range are stored.
The invention also constructs a user terminal of a trunking communication system comprising a second processor, a second memory, and a second communication module, wherein,
the second communication module is used for receiving a call establishment request on a control channel;
the second memory is used for storing program instructions and at least dynamic group numbers and area ranges corresponding to the dynamic group numbers;
the second processor is configured to perform the following steps according to the program instructions:
when a call establishment request is received on a control channel, acquiring self position information, acquiring a dynamic group number and a service channel carried by the call establishment request from the call establishment request, acquiring an area range corresponding to the dynamic group number according to at least dynamic group numbers stored by the control channel and the area range corresponding to the dynamic group number, and judging whether the self position is in the area range;
and when the position of the mobile terminal is judged to be in the area range, setting the state of the dynamic group number as activated, and switching to the service channel.
The invention also constructs cluster communication systems, which includes the above-mentioned user terminals.
By implementing the technical scheme of the invention, no long-time dynamic recombination is needed, and irrelevant group members (user terminals outside the set area range) do not participate in the group call service, and the irrelevant group members can be used for performing other services, thereby saving system resources and channel resources.
Drawings
In order to more clearly illustrate embodiments of the present invention or solutions in the prior art, reference will now be made briefly to the attached drawings which are used in the description of the embodiments or solutions in the prior art, it being apparent that the drawings in the following description are only embodiments of the present invention, and that other drawings may be obtained by those skilled in the art without inventive effort, wherein:
fig. 1 is a flowchart of a method of a dynamic group call of the trunking communication system of the present invention;
fig. 2 is a flowchart of a second embodiment of the group call method in the trunking communication system of the present invention;
fig. 3 is a logical structure diagram of a user terminal embodiment of the trunking communication system of the invention;
FIG. 4 is a logic structure diagram of a second embodiment of a user terminal of the trunking communication system of the present invention;
FIG. 5 is a logic structure diagram of a third embodiment of a user terminal of the trunking communication system of the present invention;
fig. 6 is a logic structure diagram of a fourth embodiment of the user terminal of the trunking communication system of the present invention.
Detailed Description
Fig. 1 is a flowchart of an embodiment of the method for dynamic group call in the trunking communication system of the present invention, in which the user terminal performs the following steps:
s12, obtaining the position information of the user in real time, sequentially judging whether the position of the user is in the area range according to at least stored dynamic group numbers and the area range corresponding to the dynamic group numbers, if so, setting the state of the corresponding dynamic group number to be activated, and if not, setting the state of the corresponding dynamic group number to be deactivated.
In this step, the user terminal judges whether its own position is within the area range corresponding to each dynamic group number in real time, and sets the state of the corresponding dynamic group number according to the position judgment result. That is, for the user terminal, the dynamic group number corresponding to the dynamic group in which the user terminal is located has state identification information, and the state includes an activated state and a deactivated state. Moreover, the state identification of the dynamic group is associated with the self-position. For example, for a dynamic group with a dynamic group number of 901, there are 1000 group members in total, but only 700 group members are within the area range corresponding to the dynamic group number, and another 300 group members are outside the area range corresponding to the dynamic group number, so for 700 group members within the area range, the dynamic group number 901 in the ue is in an activated state, and for another 300 group members outside the area range, the dynamic group number 901 in the ue is in a deactivated state.
In addition, some ues can belong to multiple dynamic groups at the same time, for example, for a ue, it is in the dynamic group with the dynamic group number 901 and the dynamic group with the dynamic group number 902 at the same time, and the dynamic group number and the corresponding area range information of each dynamic group where the ue is located can be stored in the ue in advance.
S13, when a call establishment request is received on a control channel, acquiring a dynamic group number and a service channel carried by the call establishment request from the call establishment request, judging whether the dynamic group number is in an activated state, and switching to the service channel when the dynamic group number is in the activated state.
In this step, when receiving a call establishment request for the dynamic group number, the ue switches to the traffic channel corresponding to the dynamic group number only when the dynamic group number is activated, so as to participate in the group call service. In the above example, for the dynamic group with the dynamic group number of 901, only 700 user terminals participate in the group call service because the dynamic group number is active in only 700 user terminals of group members. The dynamic group number in the other 300 user terminals of the group member is inactive, so these 300 user terminals do not participate in the group call service.
By implementing the technical scheme of the embodiment, when a demand for initiating the group call to the designated area exists, the area range corresponding to a certain dynamic group number can be divided in advance and stored in the corresponding user terminal. When the user terminal enters the area range corresponding to the corresponding dynamic group number, the dynamic group number is activated; when the user terminal moves out of the area, the dynamic group number is deactivated. If the user terminal receives the call establishment request of the dynamic group, the user terminal judges whether the dynamic group number is activated or not, responds to the call only under the condition of being activated, and does not respond otherwise. Therefore, it does not need to spend long time to dynamically recombine, and makes the irrelevant group members (user terminals outside the area) not participate in the group call service, and these irrelevant group members can be used to perform other services, saving system resources and channel resources.
, after step S12, the method further comprises:
and S14, reporting the state information of the corresponding dynamic group number to the control device. Therefore, before the group calling service is established and when the group calling service is carried out, the dispatching desk can intuitively know which dynamic groups of the user terminals are activated or know which user terminals supporting the dynamic group activation function in a certain area range, so that the dispatching desk is convenient to command and dispatch.
, before step S12, the method further comprises:
s11, receiving broadcast packets on a control channel, wherein the broadcast packet comprises a dynamic group number and area range information corresponding to the dynamic group number, judging whether the broadcast packet belongs to a dynamic group corresponding to the dynamic group number, and if so, storing the dynamic group number in the broadcast packet and the area range corresponding to the dynamic group number.
In this step, it is first described that the groups are a fixed group and a dynamic group, and the dynamic group may be established by the dispatcher station or by a user terminal having a higher authority level, like the fixed group .
When the initiator has a need to initiate a group call to a specific area, for example, an emergency or disaster occurs in a certain area, and it needs to immediately notify or organize the personnel in the relevant area (for example, within 5 km of the incident location) to make an emergency response, at this time, the control device may broadcast messages on the control channel to notify the group members of the dynamic group of the area range information (for example, within 5 km of the incident location) and the channel information of a certain dynamic group.
Preferably, in step S12, before setting the status of the corresponding dynamic group number, it can be determined what the status of the dynamic group number is, and if the current status is the same as the status to be set, no processing is needed, and the setting is performed only when the current status is different from the status to be set.
The step of setting the state of the corresponding dynamic group number to active includes:
judging whether the state of the corresponding dynamic group number is an activated state, if not, changing the state of the corresponding dynamic group number into the activated state;
the step of setting the state of the corresponding dynamic group number to be deactivated includes:
and judging whether the state of the corresponding dynamic group number is an activated state, and if so, changing the state of the corresponding dynamic group number into a deactivated state.
Fig. 2 is a flowchart of a second embodiment of the method for dynamic group call in the trunking communication system of the present invention, in this embodiment, a user terminal performs the following steps:
s22, when a call establishment request is received on a control channel, acquiring self position information;
s23, acquiring the dynamic group number and the service channel carried by the call establishment request from the call establishment request, acquiring the area range corresponding to the call dynamic group number according to at least stored dynamic group numbers and the area range corresponding to the dynamic group number, and judging whether the position of the user is in the area range.
The difference between the above two steps compared with step S12 shown in fig. 1 is that the location information acquisition and location determination are performed when a call setup request for the dynamic group number is received, and step S12 is performed in real time.
And S24, when the position of the user is judged to be in the area range, setting the state of the dynamic group number as activated, and switching to the service channel.
In this step, when the user terminal judges that its own position is in the area range corresponding to the dynamic group number, it switches to the service channel corresponding to the dynamic group number, and sets the state of the dynamic group number as active. In addition, for the user terminal belonging to the dynamic group and outside the area range, the user terminal does not participate in the group call service, and the state of the dynamic group number is set to be deactivated.
By implementing the technical scheme of the embodiment, when a demand for initiating the group call to the designated area exists, the area range corresponding to a certain dynamic group number can be divided in advance and stored in the corresponding user terminal. When the user terminal receives the call establishment request of the dynamic group, whether the user terminal is in the area range corresponding to the corresponding dynamic group number is judged according to the position information of the user terminal, only the user terminal in the area range responds to the call and activates the dynamic group number, and otherwise, the user terminal does not respond. Therefore, it does not need to spend long time to dynamically recombine, and makes the irrelevant group members (user terminals outside the area) not participate in the group call service, and these irrelevant group members can be used to perform other services, saving system resources and channel resources.
, before step S22, the method further comprises:
s21, receiving a broadcast packet on a control channel, where the broadcast packet includes a dynamic group number and area range information corresponding to the dynamic group number, and determines whether the broadcast packet belongs to a dynamic group corresponding to the dynamic group number, and if so, stores the dynamic group number in the broadcast packet and an area range corresponding to the dynamic group number.
Fig. 3 is a logical structure diagram of an embodiment of a user terminal of a trunking communication system according to the present invention, where the user terminal includes a receiving module 11, a 0 storage module 12, a 1 position determining module 13, a 2 state setting module 14, and a call processing module 15, where the storage module 12 is configured to store at least dynamic group numbers and area ranges corresponding to the dynamic group numbers, the position determining module 13 is configured to obtain position information of itself in real time, and sequentially determine whether its position is within the area ranges according to at least dynamic group numbers and the area ranges corresponding to the dynamic group numbers stored, the state setting module 14 is configured to set a state of a corresponding dynamic group number to be activated when determining that its position is within the area ranges, set a state of a corresponding dynamic group number to be deactivated when determining that its position is outside the area ranges, the receiving module 11 is configured to receive a call establishment request on a control channel, the is configured to receive a call establishment request, and switch the call processing module from the dynamic group number to the service establishment request carried in the area range, and the dynamic group number is switched to the service establishment request carried by the dynamic group number.
Fig. 4 is a logical structure diagram of a second embodiment of a user terminal of a trunking communication system according to the present invention, where the user terminal of the second embodiment includes a second receiving module 21, a second storage module 22, a second location determining module 23, a second status setting module 24, and a second call processing module 25, where the second storage module 22 stores at least dynamic group numbers and area ranges corresponding to the dynamic group numbers, the second receiving module 21 is configured to receive a call establishment request on a control channel, the second location determining module 23 is configured to obtain location information of itself and obtain a dynamic group number and a service channel carried in the call establishment request when receiving the call establishment request, obtain an area range corresponding to the dynamic group number and determine whether a location of itself is within the area range according to at least dynamic group numbers stored in itself and the area ranges corresponding to the dynamic group numbers, the second status setting module 24 is configured to activate a status of the dynamic group number when determining that a location of itself is within the area range, set the second status setting module 24 to deactivate the dynamic group number when determining that a location of itself is outside the area range, and switch the location of the second status setting module to the area range of the call processing module 25 when determining that a location of itself is within the area range.
, the ue of the present invention further includes a status reporting module, where the status reporting module is configured to report the status information of the corresponding dynamic group number to the control device.
, the ue of the present invention further includes a status determining module, wherein the status determining module is configured to determine whether the status of the corresponding dynamic group number is active, and the status setting module 14 (or the second status setting module 24) is configured to change the status of the corresponding dynamic group number to active when determining that the location of the ue is within the area range and the status of the corresponding dynamic group number is inactive, and change the status of the corresponding dynamic group number to inactive when determining that the location of the ue is outside the area range and the status of the corresponding dynamic group number is active.
, the ue of the present invention further includes a group judgment module, and the receiving module 11 (or the second receiving module 21) is further configured to receive broadcast packet on the control channel, where the broadcast packet includes a dynamic group number and area range information corresponding to the dynamic group number, the group judgment module is configured to judge whether itself belongs to the dynamic group corresponding to the dynamic group number when broadcast packet is received, and the storage module 12 (or the second storage module 22) is configured to store the dynamic group number and the area range corresponding to the dynamic group number in the broadcast packet when judging that itself belongs to the dynamic group corresponding to the dynamic group number.
Fig. 5 is a logical structure diagram of a third embodiment of a user terminal of a trunking communication system according to the present invention, where the user terminal of this embodiment includes an th processor 31, a th memory 32, and a th communication module 33, where the th communication module 33 is configured to receive a call setup request on a control channel, the th memory 32 is configured to store program instructions and at least dynamic group numbers and area ranges corresponding to the dynamic group numbers, and the th processor 33 is configured to execute the following steps according to the program instructions:
acquiring own position information in real time, sequentially judging whether the own position is in the area range according to at least stored dynamic group numbers and the area range corresponding to the dynamic group numbers, if so, setting the state of the corresponding dynamic group number to be activated, and if not, setting the state of the corresponding dynamic group number to be deactivated;
when a call establishment request is received on a control channel, a dynamic group number and a service channel carried by the call establishment request are obtained from the call establishment request, whether the dynamic group number is in an activated state or not is judged, and when the dynamic group number is in the activated state, the dynamic group number is switched to the service channel.
In alternative embodiments, in step , the processor 31 is further configured to perform the following steps in accordance with the program instructions:
the status information of the corresponding dynamic group number is reported to the control device through the -th communication module 33.
In alternative embodiments, in step , the communication module 33 is further configured to receive a packet over the control channel, the packet including a dynamic group number and zone range information corresponding to the dynamic group number, and,
the th processor 31 is further configured to perform the following steps in accordance with the program instructions:
when broadcast packets are received on a control channel, whether the dynamic group number belongs to the dynamic group corresponding to the dynamic group number in the broadcast packet is judged, and if the dynamic group number belongs to the dynamic group corresponding to the dynamic group number in the broadcast packet, the dynamic group number in the broadcast packet and the corresponding area range are stored.
Fig. 6 is a logical structure diagram of a fourth embodiment of a user terminal of a trunking communication system according to the present invention, where the user terminal of the embodiment includes a second processor 41, an th storage 42, and a th communication module 43, where the second communication module 43 is configured to receive a call setup request on a control channel, the second storage 42 is configured to store program instructions and at least dynamic group numbers and area ranges corresponding to the dynamic group numbers, and the second processor 41 is configured to execute the following steps according to the program instructions:
when a call establishment request is received on a control channel, acquiring self position information, acquiring a dynamic group number and a service channel carried by the call establishment request from the call establishment request, acquiring an area range corresponding to the dynamic group number according to at least dynamic group numbers stored by the control channel and the area range corresponding to the dynamic group number, and judging whether the self position is in the area range;
and when the position of the mobile terminal is judged to be in the area range, setting the state of the dynamic group number as activated, and switching to the service channel.
The invention also constructs cluster communication systems, which include a control device and a user terminal, wherein the logic structure of the user terminal can refer to the above description, and is not repeated herein.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (8)
1, method for dynamic group calling in cluster communication system, which comprises:
after establishing a dynamic group, receiving a broadcast packet on a control channel, wherein the broadcast packet comprises a dynamic group number and area range information corresponding to the dynamic group number, and judging whether the broadcast packet belongs to the dynamic group corresponding to the dynamic group number, if so, storing the dynamic group number in the broadcast packet and the area range corresponding to the dynamic group number;
acquiring own position information in real time, sequentially judging whether the own position is in the area range according to at least stored dynamic group numbers and the area range corresponding to the dynamic group numbers, if so, setting the state of the corresponding dynamic group number to be activated, and if not, setting the state of the corresponding dynamic group number to be deactivated;
when a call establishment request is received on a control channel, a dynamic group number and a service channel carried by the call establishment request are obtained from the call establishment request, whether the dynamic group number is in an activated state or not is judged, and when the dynamic group number is in the activated state, the dynamic group number is switched to the service channel.
2. The method of dynamic group call in trunking communication system of claim 1 further comprising:
and reporting the state information of the corresponding dynamic group number to the control device.
3. The method of dynamic group call in trunking communication system of claim 1 wherein the step of setting the status of the corresponding dynamic group number to active comprises:
judging whether the state of the corresponding dynamic group number is an activated state, if not, changing the state of the corresponding dynamic group number into the activated state;
the step of setting the state of the corresponding dynamic group number to be deactivated includes:
and judging whether the state of the corresponding dynamic group number is an activated state, and if so, changing the state of the corresponding dynamic group number into a deactivated state.
4, method for dynamic group calling of cluster communication system, comprising:
after establishing a dynamic group, receiving a broadcast packet on a control channel, wherein the broadcast packet comprises a dynamic group number and area range information corresponding to the dynamic group number, and judging whether the broadcast packet belongs to the dynamic group corresponding to the dynamic group number, if so, storing the dynamic group number in the broadcast packet and the area range corresponding to the dynamic group number;
when a call establishment request is received on a control channel, acquiring self position information;
acquiring the dynamic group number and the service channel carried by the call establishment request from the call establishment request, acquiring the area range corresponding to the dynamic group number according to at least dynamic group numbers stored in the call establishment request and the area range corresponding to the dynamic group number, and judging whether the position of the call establishment request is in the area range;
and when the position of the mobile terminal is judged to be in the area range, setting the state of the dynamic group number as activated, and switching to the service channel.
5, user terminal of cluster communication system, which is characterized in that it includes processor, memory and communication module,
the th communication module is configured to receive a call setup request on a control channel, and, after a dynamic group is established, receive broadcast packets on the control channel, where the broadcast packets include a dynamic group number and area range information corresponding to the dynamic group number;
the th memory for storing program instructions and at least dynamic group numbers and the area ranges corresponding to the dynamic group numbers;
the th processor for performing the following steps in accordance with the program instructions:
when broadcast packets are received on a control channel, judging whether the dynamic group number belongs to the dynamic group corresponding to the dynamic group number in the broadcast packet, if so, storing the dynamic group number in the broadcast packet and the corresponding area range;
acquiring own position information in real time, sequentially judging whether the own position is in the area range according to at least stored dynamic group numbers and the area range corresponding to the dynamic group numbers, if so, setting the state of the corresponding dynamic group number to be activated, and if not, setting the state of the corresponding dynamic group number to be deactivated;
when a call establishment request is received on a control channel, a dynamic group number and a service channel carried by the call establishment request are obtained from the call establishment request, whether the dynamic group number is in an activated state or not is judged, and when the dynamic group number is in the activated state, the dynamic group number is switched to the service channel.
6. The user terminal of claim 5, wherein the processor is further configured to perform the following steps in accordance with the program instructions:
and reporting the state information of the corresponding dynamic group number to the control device through the th communication module.
7, user terminal of a group communication system, comprising a second processor, a second memory and a second communication module, wherein,
the second communication module is configured to receive a call establishment request on a control channel, and receive a broadcast packet on the control channel after establishing a dynamic group, where the broadcast packet includes a dynamic group number and area range information corresponding to the dynamic group number;
the second memory is used for storing program instructions and at least dynamic group numbers and area ranges corresponding to the dynamic group numbers;
the second processor is configured to perform the following steps according to the program instructions:
when broadcast packets are received on a control channel, judging whether the packet belongs to a dynamic group corresponding to the dynamic group number, if so, storing the dynamic group number in the broadcast packet and the corresponding area range;
when a call establishment request is received on a control channel, acquiring self position information, acquiring a dynamic group number and a service channel carried by the call establishment request from the call establishment request, acquiring an area range corresponding to the dynamic group number according to at least dynamic group numbers stored by the control channel and the area range corresponding to the dynamic group number, and judging whether the self position is in the area range;
and when the position of the mobile terminal is judged to be in the area range, setting the state of the dynamic group number as activated, and switching to the service channel.
A group communication system of , comprising a user terminal of any of claims 5-7 to .
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| CN113015110A (en) * | 2019-12-20 | 2021-06-22 | 哈尔滨海能达科技有限公司 | Automatic recombination method and device based on position, terminal and storage medium |
| WO2021120162A1 (en) * | 2019-12-20 | 2021-06-24 | 哈尔滨海能达科技有限公司 | Location-based automatic reorganization method and apparatus, and terminal and storage medium |
| CN111654827A (en) * | 2020-06-19 | 2020-09-11 | 哈尔滨海能达科技有限公司 | Call control method and device and electronic equipment |
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| CN1859673A (en) * | 2006-01-18 | 2006-11-08 | 华为技术有限公司 | Method for displaying group call zone state |
| EP1871139A1 (en) * | 2006-06-23 | 2007-12-26 | Huawei Technologies Co., Ltd. | Method, register and system for group call |
| CN104320757A (en) * | 2014-07-30 | 2015-01-28 | 杭州承联通信技术有限公司 | A paging method based on geographic position in cluster wireless communication system |
| CN105656968A (en) * | 2014-11-21 | 2016-06-08 | 哈尔滨海能达科技有限公司 | Cluster communication system, user equipment thereof, control device and dynamic group calling method |
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