CN110267211B - Simulcast system, communication method and device - Google Patents
Simulcast system, communication method and device Download PDFInfo
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- CN110267211B CN110267211B CN201810201687.3A CN201810201687A CN110267211B CN 110267211 B CN110267211 B CN 110267211B CN 201810201687 A CN201810201687 A CN 201810201687A CN 110267211 B CN110267211 B CN 110267211B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/1066—Session management
- H04L65/1096—Supplementary features, e.g. call forwarding or call holding
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- H—ELECTRICITY
- 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
- H04W4/08—User group management
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/16—Communication-related supplementary services, e.g. call-transfer or call-hold
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/04—Large scale networks; Deep hierarchical networks
- H04W84/08—Trunked mobile radio systems
Abstract
The application discloses simulcast system, communication method and device, the simulcast system includes: a switching center, a channel machine and a terminal; the terminal is used for sending a networking request instruction to the switching center, wherein the networking request instruction comprises a service type prompt and a marker of a target channel machine, and the service type prompt represents a networking request; the switching center is used for analyzing the networking request instruction and establishing association with the target channel machine pointed by the identifier of the target channel machine so as to enable the communication between target terminals within the coverage range of the target channel machine. By the communication method, networking can be established at any time and any place according to requirements, and the function of quick and convenient networking is realized.
Description
Technical Field
The present application relates to the field of simulcast systems, and in particular, to a simulcast system, a communication method, and an apparatus.
Background
A simulcast system, also called a co-frequency simulcast system, refers to a system in which a plurality of simulcast base stations are connected through a simulcast control center, and each simulcast base station communicates using a same pair of frequencies. Since the simulcast system only uses a pair of frequencies, the intercom mobile terminal does not need to switch channels when in use, and therefore, the simulcast system is widely applied at home and abroad.
In some scenarios, different simulcast base stations need to be assigned to a group so that users in the same assignment group can talk with each other. In the prior art, different simulcast base stations can be assigned into a group by configuring a dispatching station. However, since the dispatcher station is usually fixed at a certain place, it is inconvenient to move, and the user cannot configure the dispatcher station at any time and any place.
Disclosure of Invention
The technical problem mainly solved by the application is to provide a simulcast system, a communication method and a device, which can establish networking at any time and any place according to requirements and realize the function of quick and convenient networking.
To solve the above technical problem, a first aspect of the present application provides a simulcast system, including: a switching center, a channel machine and a terminal; the terminal is used for sending a networking request instruction to the switching center, wherein the networking request instruction comprises a service type prompt and a marker of a target channel machine, and the service type prompt represents the networking request; the switching center is used for analyzing the networking request instruction and establishing association between the target channel machines pointed by the identifier of the target channel machine so as to enable the target terminals within the coverage range of the target channel machines to communicate.
With reference to the first aspect, in a first possible implementation manner of the first aspect, the switching center is further configured to disassociate the target channel machines after the target terminal completes communication or after a time for the target channel machines to establish association exceeds a preset time threshold.
In order to solve the above technical problem, a second aspect of the present application provides a communication method, including: a terminal generates a networking request instruction, wherein the networking request instruction comprises a service type prompt and a marker of a target channel machine, and the service type prompt represents the networking request; and the terminal sends the networking request instruction to a switching center so that the switching center establishes association with the target channel machine pointed by the identifier of the target channel machine, and further communication can be carried out between target terminals within the coverage range of the target channel machine.
With reference to the second aspect, in a first possible implementation manner of the second aspect, the terminal generates the networking request instruction according to a preset dialing mode and a dialing rule matched with the dialing mode.
With reference to the first possible implementation manner of the second aspect, in a second possible implementation manner of the second aspect, the dialing manner is a dual tone multi-frequency dialing manner; and the terminal generates the service type prompt and the identifier of the target channel machine by adopting a dual-tone multi-frequency dialing mode so as to generate the networking request instruction.
With reference to the second aspect, the first possible implementation manner of the second aspect, and the second possible implementation manner of the second aspect, in a third possible implementation manner of the second aspect, the target channel machine is a target simulcast group including at least one channel machine.
With reference to the third possible implementation manner of the second aspect, in a fourth possible implementation manner of the second aspect, when the number of target simulcast groups is two or more, the two or more target simulcast groups are located in different target simulcast systems; and the terminal sequentially generates the service type prompt symbol, the system number of the target simulcast system and the identifier of the target simulcast group by adopting a dual-tone multi-frequency dialing mode so as to generate the networking request instruction.
With reference to the second aspect, the first possible implementation manner of the second aspect, and the second possible implementation manner of the second aspect, in a fifth possible implementation manner of the second aspect, the terminal sends the networking request instruction to the switching center through the channel machine.
With reference to the second aspect, the first possible implementation manner of the second aspect, and the second possible implementation manner of the second aspect, in a sixth possible implementation manner of the second aspect, the traffic indicator is an "x".
In order to solve the above technical problem, a third aspect of the present application provides a communication method, including: the method comprises the steps that a switching center receives a networking request instruction sent by a terminal, and analyzes the networking request instruction to obtain a service type prompt in the networking request instruction and a marker of a target channel machine, wherein the service type prompt represents a networking request; the switching center establishes association with the target channel machine pointed by the identifier of the target channel machine so as to enable communication between target terminals within the coverage range of the target channel machine.
With reference to the third aspect, in a first possible implementation manner of the third aspect, when a target channel machine in the networking request instruction is located in the same simulcast system, the switching center associates the target channel machine pointed to by an identifier of the target channel machine; after the target terminal in the coverage range of any one of the target channel machines after the association is established initiates a call service, the switching center forwards the call service to other target channel machines associated with the target channel machine initiating the call service, so that the target terminals in the coverage range of the target channel machines can communicate with each other.
With reference to the third aspect, in a second possible implementation manner of the third aspect, when a target channel machine in the networking request instruction is located in a different simulcast system, the switching center of the local terminal of the simulcast system sends the networking request instruction to an opposite-terminal switching center in the corresponding simulcast system, and the switching center of the local terminal combines the opposite-terminal switching center to establish association between the target channel machines of the different simulcast systems, so that communication can be performed between target terminals within a coverage range of the target channel machine.
With reference to the second possible implementation manner of the third aspect, in a third possible implementation manner of the third aspect, when a target channel machine in the networking request instruction is located in a different simulcast system, the switching center of the local terminal of the simulcast system sends the networking request instruction to an opposite terminal switching center in the corresponding simulcast system, and the switching center of the local terminal combines the opposite terminal switching center to establish association with the target channel machine of the different simulcast system; after the target terminal in the coverage range of any associated target channel machine initiates a call service, the switching center of the local terminal forwards the call service to the switching center of the opposite terminal, so that the target terminals in the coverage range of the target channel machine can communicate with each other.
With reference to the third possible implementation manner of the third aspect, in a fourth possible implementation manner of the third aspect, after the switching center of the local end receives a feedback instruction that the association establishment is successful, which is sent by the switching center of the opposite end, the switching center of the local end sends a prompt message that the networking is successful to the terminal.
With reference to the fourth possible implementation manner of the third aspect, in a fifth possible implementation manner of the third aspect, after the target terminal completes communication or after the time for the target channel machine to establish association exceeds a preset time threshold, the switching center disassociates the target channel machine.
With reference to the fifth possible implementation manner of the third aspect, in a sixth possible implementation manner of the third aspect, after the switching center releases the association between the target channel machines, the switching center sends, to the terminal, a prompt that the association between the target channel machines is released.
In order to solve the above technical problem, a fourth aspect of the present application provides a terminal, including a processor, a memory, and a communication circuit; the communication circuit is used for establishing connection with a switching center or other terminals; the memory is used for storing program instructions executed by the processor and intermediate data generated when the program instructions are executed; the processor, when executing the program instructions, implements the communication method according to any one of the second aspect and the first possible implementation manner to the sixth possible implementation manner of the second aspect.
With reference to the fourth aspect, in a first possible implementation manner of the fourth aspect, the terminal is a mobile station.
In order to solve the above technical problem, a fifth aspect of the present application provides a switching center, which includes a processor, a memory, and a communication circuit; the communication circuit is used for establishing connection with other switching centers or terminals; the memory is used for storing program instructions executed by the processor and intermediate data generated when the program instructions are executed; the processor, when executing the program instructions, implements the communication method according to any one of the third aspect and the first possible implementation manner of the third aspect to the sixth possible implementation manner of the third aspect.
In order to solve the above technical problem, a sixth aspect of the present application provides an apparatus having a storage function, wherein the apparatus has stored thereon program instructions that are executable to implement the communication method described in any one of the second aspect, the first possible implementation manner of the second aspect to the sixth possible implementation manner of the second aspect, or the communication method described in any one of the third aspect, the first possible implementation manner of the third aspect to the sixth possible implementation manner of the third aspect.
The beneficial effect of this application is: compared with the prior art, the terminal is convenient to move and carry about by a user, and convenience in establishing networking among different channel machines is improved; meanwhile, the networking rule is simple, the terminal sends a networking request instruction to the switching center, the switching center analyzes the networking request instruction to obtain the identifier of the target channel machine, the target channel machine pointed by the identifier of the target channel machine is associated, the function of rapid networking among the channel machines is achieved, and therefore communication can be carried out among the target terminals within the coverage range of the target channel machine. According to the method, the user can establish networking anytime and anywhere according to the requirements, and the function of rapid and convenient networking is realized.
Drawings
FIG. 1 is a schematic diagram of an embodiment of a simulcast system of the present application;
FIG. 2 is a schematic flow chart diagram illustrating an embodiment of a communication method of the present application;
FIG. 3a is a schematic structural diagram of a first embodiment of the networking object of step 201 in FIG. 2;
FIG. 3b is a schematic structural diagram of a second embodiment of the networking object of step 201 in FIG. 2;
FIG. 3c is a schematic structural diagram of a third embodiment of the networking object of step 201 in FIG. 2;
FIG. 3d is a schematic structural diagram of a fourth embodiment of the networking object of step 201 in FIG. 2;
FIG. 4 is a schematic flow chart diagram of another embodiment of a communication method of the present application;
FIG. 5a is a schematic business process diagram of an embodiment of the communication method of the present application;
FIG. 5b is a schematic business process diagram of another embodiment of the communication method of the present application;
FIG. 6 is a schematic block diagram of an embodiment of a terminal of the present application;
FIG. 7 is a schematic diagram of a switching center according to an embodiment of the present application;
fig. 8 is a schematic structural diagram of an embodiment of the device with a storage function according to the present application.
Detailed Description
In order to make the purpose, technical solution and technical effects of the present application clearer and clearer, the following further describes the present application in detail, and it should be understood that the specific implementation examples described herein are only for explaining the present application and are not used to limit the present application.
Referring to fig. 1, fig. 1 is a schematic structural diagram of an embodiment of the simulcast system of the present application. The simulcast system 10 of the present embodiment includes: the terminal 11, the channel machine 12 and the switching center 13, the terminal 11 and the channel machine 12 transmit signals through a wireless air interface protocol, and the channel machine 12 and the switching center 13 transmit data through an IP network.
The terminal 11 may be a mobile phone or other types of interphones. The switching center 13 is a core network server.
Wherein, the channel machine 12 comprises a transmitter and a receiver, the transmitter is used for converting the group baseband signal into a radio frequency signal; the receiver is used for restoring the received radio frequency signal into a group baseband signal. The channelizer 12 supports the PDT protocol and the DMR protocol. Both the PDT protocol and the DMR protocol communicate using TDMA (double time slot) multiple access.
In the present embodiment, the number of the channel machines 12 in the simulcast system 10 is plural, for example, 20, 100 or 125, and can be designed according to practical situations, and is not limited in detail herein. The specific number of the channelizers 12 in the simulcast system 10 is related to the coverage area of the simulcast system 10, and specifically, the wider the coverage area of the simulcast system 10 is, the greater the number of the channelizers 12 is; however, due to the limited capacity of the simulcast system 10, the specific number of channelizers 12 in each simulcast system 10 needs to be designed according to the actual situation.
Here, it should be noted that the operating frequencies of the channelizer 12 in the simulcast system 10 are the same, and each includes a pair of transmitting frequency and receiving frequency. The channelizer 12 is correspondingly distributed in different areas, and the coverage ranges are different. Due to the limited coverage area of each channelizer 12, the terminals 11 under the coverage area of each channelizer 12 can communicate with each other, but cannot communicate with each other between the terminals 11 under the coverage area of the corresponding channelizer 12. At the same time, the terminal 11 can communicate with the switching centre 13 via the channeliser 12 covering the area in which it is located.
In this embodiment, the channelizers 12 in the simulcast system 10 each have a unique identifier. By associating the channelizers 12 distributed in different areas, the call range of the target terminal 11 can be expanded.
Specifically, the terminal 11 is configured to send a networking request instruction to the switching center 13, where the networking request instruction includes a service type indicator and an identifier of the target channel unit 12, and the service type indicator represents a networking request. The switching center 13 is used for analyzing the networking request instruction and establishing association between the target channel machines 12 pointed by the identifier of the target channel machine 12 so as to enable communication between the target terminals 11 within the coverage range of the target channel machines 12.
Further, the switching center 13 is also used for disassociating the target channel machine 12 after the target terminal 11 completes communication or after the time for the target channel machine 12 to establish association exceeds a preset time threshold.
For clearly explaining the structure and the operation principle of the simulcast system of the above embodiment, please further refer to fig. 2, and fig. 2 is a schematic flow chart of an embodiment of the communication method of the present application. Referring to fig. 1, the communication method according to the present embodiment is from the perspective of the terminal 11.
The communication method of the present embodiment includes:
step 201: the terminal generates a networking request instruction, wherein the networking request instruction comprises a service type prompt and a marker of a target channel machine, and the service type prompt represents a networking request.
In this embodiment, the terminal generates a networking request instruction according to a preset dialing mode and a dialing rule matched with the dialing mode, wherein the networking request instruction includes a service type indicator and an identifier of a target channel machine, and the service type indicator represents a networking request.
In one embodiment, the dialing mode is a DTMF (Dual Tone Multi Frequency) dialing mode; the dialing rule is as follows: service type indicator + system number of target simulcast system + identifier of target channel machine. The service type prompt is 'x', and the system number of the target simulcast system and the identifier of the target channel machine are specific numbers.
The DTMF dialing supports 16 characters at most, in one embodiment, the system number of a simulcast system is a digit, and the value range is 0-9; the identifier of the target channel machine is a two-digit number, and the value range is 00-99. Then, the service type indicator occupies one character, the system number of the simulcast system occupies one character, the identifier of the target channel machine occupies two characters, and the networking request instruction can only establish association with at most four target channel machines at one time.
Of course, other dialing rules can be adopted, and only the networking request can be represented, and the target channel machine pointed by the identifier of the target channel machine has uniqueness.
In this embodiment, the system number of the simulcast system and the identifier of the channel machine are configured by the network manager connected to the switching center during the design process, and both the system number of the simulcast system and the identifier of the channel machine are uniquely determined. In one embodiment, the network manager forms configuration files in the form of indexes or tables with the system number of the simulcast system, identifiers of the simulcast system and the channel machines pointed by the system number of the simulcast system and the identifiers of the channel machines, and stores the configuration files in the storage paths of the switching center respectively. Meanwhile, when the terminal leaves the factory, the terminal also stores a corresponding configuration file.
In a first specific application scenario, the target channel machine is located in the same simulcast system, and the target channel machine is a single channel machine. The terminal generates a service type prompt symbol and a marker of a target channel machine by adopting a dual-tone multi-frequency dialing mode so as to generate a networking request instruction. For clearly explaining the networking process of the application scenario, please refer to fig. 3a, where fig. 3a is a schematic structural diagram of a first embodiment of the networking object in step 201 in fig. 2.
Here, it is explained that one simulcast system includes n channel machines as an example. Wherein n is a natural number.
As shown in fig. 3a, the simulcast system includes a channel machine 1 to a channel machine n, the area where the terminal is located is covered by the channel machine 1, and the terminal sends a networking request instruction to the switching center through the channel machine 1. In one embodiment, if the channel machine 1, the channel machine 2 and the channel machine 3 need to be associated, the terminal generates a service type indicator and an identifier of a target channel machine in a dual tone multi-frequency manner to generate a networking request instruction. The networking request instruction specifically comprises the following characters: ". the identifier of the system number target channel machine 1 of the target simulcast system,. the identifier of the system number target channel machine 2 of the target simulcast system,. the identifier of the system number target channel machine 3 of the target simulcast system". Wherein, "' is a service type prompt used for characterizing networking requests.
In a second specific application scenario, the target channel machine is a simulcast group including at least one channel machine. The terminal generates a service type prompt symbol and a marker of a target channel machine by adopting a dual-tone multi-frequency dialing mode so as to generate a networking request instruction. For clearly explaining the networking process of the application scenario, please refer to fig. 3b, where fig. 3b is a schematic structural diagram of a second embodiment of the networking object in step 201 in fig. 2.
As shown in fig. 3b, the simulcast system includes a simulcast group 22-1 to a simulcast group 22-m, where m is a natural number. In this embodiment, each simulcast group includes n channelizers.
The area where the terminal is located is covered by the channel machine 1 in the simulcast group 22-1, and the terminal sends a networking request instruction to the switching center through the channel machine 1. In one embodiment, the simulcast group 22-1, the simulcast group 22-2, the simulcast group 22-3, and the simulcast group 22-m need to be associated, and the terminal generates the service type indicator and the identifier of the target simulcast group according to a dual-tone multi-frequency manner to generate the networking request instruction. The networking request instruction specifically comprises the following characters: ". the identifier of the system number target simulcast group 22-1 of the target simulcast system,. the identifier of the system number target simulcast group 22-2 of the target simulcast system,. the identifier of the system number target simulcast group 22-3 of the target simulcast system,. the identifier of the target simulcast group 22-m".
In a third specific application scenario, when the number of the target simulcast groups is two or more, the two or more target simulcast groups are located in different target simulcast systems. The terminal adopts a dual-tone multi-frequency dialing mode to sequentially generate a service type prompt symbol, a system number of a target simulcast system and an identifier of a target simulcast group so as to generate a networking request instruction. For clearly explaining the networking process of the application scenario, please refer to fig. 3c, where fig. 3c is a schematic structural diagram of a third embodiment of the networking object in step 201 in fig. 2.
As shown in FIG. 3c, simulcast system A includes simulcast group 22A-1-simulcast group 22A-m, where m is a natural number. In this embodiment, each simulcast group includes n channelizers. The simulcast system B comprises a simulcast group 22B-1 to a simulcast group 22B-m, wherein m is a natural number. In this embodiment, each simulcast group includes n channelizers.
The area where the terminal is located is covered by the channel machine 1 in the simulcast group 22A-1, and the terminal sends a networking request instruction to the switching center a through the channel machine 1. For example, the simulcast group 22A-1 and the simulcast group 22A-2 in the simulcast system a need to be associated with the simulcast group 22B-1 and the simulcast group 22B-2 in the simulcast system B, and the terminal sequentially generates the service type indicator, the system number of the target simulcast system and the identifier of the target simulcast group thereof according to the dual-tone multi-frequency manner to generate the networking request instruction. The networking request instruction specifically comprises the following characters: ". the identifier of the target simulcast system a system number target simulcast group 22A-1,". the identifier of the target simulcast system a system number target simulcast group 22A-2,. the identifier of the target simulcast system B system number target simulcast group 22B-1,. the identifier of the target simulcast system B system number target simulcast group 22B-2 ".
In a fourth specific application scenario, the dispatching station dispatches some channel machines in the simulcast system into a simulcast group, and the terminal may send a networking request instruction to the switching center to associate the simulcast group dispatched by the dispatching station with other target channel machines, so as to generate a networking request instruction. For clearly explaining the networking process of the application scenario, please refer to fig. 3d, where fig. 3d is a schematic structural diagram of a fourth embodiment of the networking object in step 201 in fig. 2.
As shown in fig. 3d, the dispatcher station assigns the channel machine 1, the channel machine 2 and the channel machine 3 in the simulcast system to a simulcast group 22-123, for example, now it needs to establish an association between the channel machine 4 and the simulcast group 22-123, and the terminal generates the service type indicator and the identifier of the target simulcast group in a dual tone multi-frequency manner to generate the networking request instruction. The networking request instruction specifically comprises the following characters: ". the system number of the target simulcast system, the identifier of the target simulcast group 22-123,". the identifier of the system number of the target simulcast system, the identifier of the target channel machine 4 ".
Here, in the embodiments shown in fig. 3a to 3d, objects of the networking may be combined with each other, that is, there are also networking methods such as independent channel machine cross-system networking, simulcast group and independent channel co-system or cross-system networking.
Step 202: the terminal sends a networking request instruction to the switching center, so that the switching center establishes association with the target channel machine pointed by the identifier of the target channel machine, and further communication can be carried out between the target terminals within the coverage range of the target channel machine.
In this embodiment, the terminal sends a networking request instruction to the switching center, so that the switching center obtains an identifier of the target channel machine, and establishes association with the target channel machine pointed by the identifier of the target channel machine, thereby enabling communication between target terminals within the coverage of the target channel machine.
When the target channel machine is in the same simulcast system, after the target channel machine establishes the association, and after the target terminal in the coverage area of any target channel machine initiates the call service, the switching center forwards the call service to other target channel machines associated with the target channel machine initiating the call service, so that the target terminals in the coverage area of the target channel machine can communicate with each other.
When the target channel machine is in different simulcasting systems, the local terminal switching center of the simulcasting system sends the networking request instruction to the opposite terminal switching center in the corresponding simulcasting system, the local terminal switching center combines the opposite terminal switching center to establish association with the target channel machines of the different simulcasting systems so as to enable communication between the target terminals in the coverage range of the target channel machines, and after the target terminal in the coverage range of any one of the target channel machines which establishes the association initiates a call service, the local terminal switching center forwards the call service to the opposite terminal switching center so as to enable communication between the target terminals in the coverage range of the target channel machines.
Compared with the prior art, the terminal is convenient to move and can be carried by a user, and the convenience of establishing networking among different channel machines is improved; meanwhile, the networking rule is simple, the terminal sends a networking request instruction to the switching center, the switching center analyzes the networking request instruction to obtain the identifier of the target channel machine, the target channel machine pointed by the identifier of the target channel machine is associated, the function of rapid networking among the channel machines is achieved, and therefore communication can be carried out among the target terminals within the coverage range of the target channel machine. According to the method, the user can establish networking anytime and anywhere according to the requirements, and the function of rapid and convenient networking is realized.
Further, referring to fig. 4, fig. 4 is a schematic flow chart of another embodiment of the communication method of the present application. Referring to fig. 1, the communication method according to the present embodiment is from the perspective of the switching center 13.
The communication method of the present embodiment includes:
step 401: the switching center receives a networking request instruction sent by the terminal, and analyzes the networking request instruction to obtain a service type prompt in the networking request instruction and a marker of a target channel machine, wherein the service type prompt represents the networking request.
In this embodiment, after receiving a networking request instruction sent by a terminal, the switching center parses the networking request instruction, and sends the networking request instruction to the media translation unit according to the PSTN call service flow, so as to obtain a service type indicator and a target channel machine identifier in the networking request instruction, and determine that the request is a networking request according to the service type indicator.
Step 402: the switching center establishes association with the target channel machine pointed by the identifier of the target channel machine so as to enable communication between target terminals within the coverage range of the target channel machine.
In this embodiment, the switching center associates the target channel machines pointed by the identifiers of the target channel machines to form a new subnet, so as to enable communication between target terminals within the coverage area of the target channel machines.
When the target channel machine in the networking request instruction is positioned in the same simulcast system, the switching center establishes association with the target channel machine pointed by the identifier of the target channel machine; after the target terminal in the coverage range of any target channel machine after the association is established initiates the call service, the switching center forwards the call service to other target channel machines associated with the target channel machine initiating the call service, so that the target terminals in the coverage range of the target channel machines can communicate with each other.
When the target channel machine in the networking request instruction is positioned in different simulcasting systems, the local terminal switching center of the simulcasting system sends the networking request instruction to the opposite terminal switching center in the corresponding simulcasting system, and the local terminal switching center combines the opposite terminal switching center to establish association with the target channel machine of the different simulcasting systems; after a target terminal in the coverage range of any associated target channel machine initiates a call service, the home terminal switching center forwards the call service to the opposite terminal switching center so as to enable the target terminals in the coverage range of the target channel machine to communicate. After receiving the feedback instruction of successful association establishment sent by the opposite-end switching center, the home-end switching center sends prompt information of successful networking to the terminal.
After the target terminal completes communication or the time for establishing association of the target channel machine exceeds a preset time threshold, the switching center releases the association between the target channel machines.
After the switching center releases the association between the target channel machines, the switching center sends prompt information that the association between the target channel machines is released to the terminal.
For clarity of explanation of the communication method of the present embodiment, reference is continued to fig. 3a to 3 d.
With reference to fig. 3a, in the first embodiment, the networking request instruction includes an identifier of the target channel machine 1, an identifier of the target channel machine 2, and an identifier of the target channel machine 3, the switching center associates the target channel machine 1, the target channel machine 2, and the target channel machine 3, and forms the target channel machine 1, the target channel machine 2, and the target channel machine 3 into a subnet, so that the target channel machine 1, the target channel machine 2, and the target terminal under the coverage of the target channel machine 3 can communicate with each other.
The networking implementation shown in fig. 3b is basically the same as that shown in fig. 3a, and is all networking in the same simulcast system, and the specific networking process may refer to the above description, which is not described herein again.
Continuing with fig. 3c, a third embodiment differs from the embodiments shown in fig. 3a and 3b in that networking is performed under different simulcast systems.
In the third embodiment, the networking request instruction includes the system number of the target simulcast system a, the identifier of the target simulcast group 22A-1, the identifier of the target simulcast group 22A-2, the system number of the target simulcast system B, the identifier of the target simulcast group 22B-1, and the identifier of the target simulcast group 22B-2. And the switching center A in the simulcast system A receives the networking request instruction and sends the networking request instruction to the switching center B in the simulcast system B.
The switching center A establishes the association between the target simulcast group 22A-1 and the target simulcast group 22A-2, the switching center B establishes the association between the target simulcast group 22B-1 and the target simulcast group 22B-2, and then the switching center A and the switching center B establish the association between the target simulcast group 22A-1, the target simulcast group 22A-2, the target simulcast group 22B-1 and the target simulcast group 22B-2 to form a new subnet. After receiving the feedback instruction of successful association establishment sent by the opposite-end switching center B, the home-end switching center A sends prompt information of successful networking to the terminal.
In one embodiment, after a target terminal within the coverage of the target channel machine 22A-1 initiates a call service, the local switching center a forwards the call service to the opposite switching center B, so that the target terminals within the coverage of the target simulcast group 22A-1, the target simulcast group 22A-2, the target simulcast group 22B-1, and the target simulcast group 22B-2 can communicate with each other.
Specifically, after a target terminal within the coverage of the target simulcast group 22A-1 initiates a call service, the local terminal switching center a forwards the call service to the target simulcast group 22A-2 under the simulcast system a, and forwards the call service to the opposite terminal switching center B, and the opposite terminal switching center B forwards the call service to the target simulcast group 22B-1 and the target simulcast group 22B-2, thereby realizing communication among the target terminals within the coverage of the target simulcast group 22A-1, the target simulcast group 22A-2, the target simulcast group 22B-1 and the target simulcast group 22B-2.
In the first to third embodiments, the switching center disassociates the target terminal from the target terminal after the communication is completed or after the time for the target terminal to establish association exceeds a preset time threshold. The preset time threshold is pre-stored in the switching center, and can be 5 minutes or half an hour, and can be designed according to actual conditions.
Further, referring to fig. 3d, the networking request command includes an identifier of the target simulcast group 22-123 and an identifier of the target channel machine 4. The switching center establishes the association between the target simulcast groups 22-123 and the target channelizer 4, that is, the association between the target channelizer 1, the target channelizer 2, the target channelizer 3 and the target channelizer 4, and forms a new subnet.
Unlike the first to second embodiments, in the present embodiment, when the switching center disassociates, only the target channelizer 4 can disassociate from the target simulcast group 22-123, but not the target channelizers 1 to 3 in the target simulcast group 22-123, that is, the target simulcast group 22-123 can only be disassociated by the dispatcher.
For a more intuitive explanation of the communication method of the foregoing embodiment, please continue to refer to fig. 5a, and fig. 5a is a schematic business flow diagram of an embodiment of the communication method of the present application.
As shown in fig. 5a, the terminal sends a networking request instruction to the switching center through the channel machine, where the networking request instruction includes a service type indicator and an identifier of the target channel machine, and the service type indicator represents the networking request.
The switching center receives the networking request instruction sent by the terminal and analyzes the networking request instruction to obtain the service type prompt in the networking request instruction and the identifier of the target channel machine. The switching center establishes association with the target channel machine pointed by the identifier of the target channel machine so as to enable communication between target terminals within the coverage range of the target channel machine. Meanwhile, the switching center sends prompt information of successful networking to the terminal through the channel machine.
After networking is completed, after a target terminal under the coverage range of any associated target channel machine initiates a service call, the switching center receives the call service and forwards the call service to the corresponding target channel machine, so that the target terminal under the coverage range of the target channel machine can communicate.
After the call service is completed, the switching center releases the association between the target channel machines, and after the association is released, the prompt message that the association between the target channel machines is released is sent to the terminal.
In addition, when the time for establishing the association between the target channel machines exceeds the preset time threshold, the switching center can also release the association between the target channel machines.
Further, referring to fig. 5b, fig. 5b is a schematic service flow diagram of another embodiment of the communication method of the present application. Unlike the business process of the communication method shown in fig. 5a, fig. 5b is a business process diagram of the communication method of different simulcast systems.
The terminal sends a networking request instruction to a home terminal switching center A through a channel machine, wherein the networking request instruction comprises a service type prompt and a marker of a target channel machine, and the service type prompt represents a networking request.
The local terminal switching center A receives the networking request instruction sent by the terminal and analyzes the networking request instruction so as to obtain the service type prompt symbol and the identifier of the target channel machine in the networking request instruction. The local terminal exchange center A establishes association with a target channel machine pointed by the identifier of the target channel machine under the local terminal simulcast system; the local terminal switching center A also sends a networking request instruction to the opposite terminal switching center B, the opposite terminal switching center B establishes association with a target channel machine pointed by the identifier of the target channel machine under the opposite terminal simulcasting system where the opposite terminal switching center B is located, and the local terminal switching center A establishes association with the opposite terminal switching center B on the target channel machine, so that communication can be carried out between target terminals within the coverage range of the target channel machine. Meanwhile, the opposite end switching center B also sends prompt information of successful networking to the local end switching center A. The local exchange center A sends the prompt information of successful networking to the terminal.
After networking is completed, after a target terminal under the coverage range of any associated target channel machine initiates a service call, a home terminal switching center A receives the call service and forwards the call service to a corresponding target channel machine under a home terminal simulcasting system; the local terminal switching center A also forwards the call service to the opposite terminal switching center B, and the opposite terminal switching center B forwards the call service to a corresponding target channel machine under an opposite terminal simulcasting system so as to realize that the target terminal under the coverage range of the target channel machine can communicate.
After the call service is completed, the local terminal switching center A and the opposite terminal switching center B release the association between the target channel machines in the corresponding simulcast system, the opposite terminal switching center B sends corresponding feedback information to the local terminal switching center A after the association is released, and the local terminal switching center A sends prompt information that the association between the target channel machines is released to the terminal.
In addition, when the time for establishing the association between the target channel machines exceeds the preset time threshold, the switching center can also release the association between the target channel machines.
Different from the prior art, the terminal is convenient to move, and a user can carry the terminal, so that the convenience of establishing networking among different channel machines is improved; meanwhile, the networking rule is simple, the terminal sends a networking request instruction to the switching center, the switching center analyzes the networking request instruction to obtain the identifier of the target channel machine, the target channel machine pointed by the identifier of the target channel machine is associated, the function of rapid networking among the channel machines is achieved, and therefore communication can be carried out among the target terminals within the coverage range of the target channel machine. According to the method, the user can establish networking anytime and anywhere according to the requirements, and the function of rapid and convenient networking is realized.
Referring to fig. 6, fig. 6 is a schematic structural diagram of an embodiment of the terminal of the present application. In the present embodiment, the terminal 60 includes a processor 62, a memory 63, and a communication circuit 61. The processor 62 is coupled to the memory 63 and the communication circuit 61, respectively.
The communication circuit 61 is configured to establish a connection with a switching center or other terminals, the memory 63 is configured to store program instructions executed by the processor 62 and intermediate data generated when the program instructions are executed, and the processor 62 implements the communication method shown in fig. 2 when the program instructions are executed.
In the present embodiment, the terminal 60 may be a mobile phone or another type of intercom.
The communication method has been described in detail, and reference may be made to fig. 2, fig. 3a to fig. 3d, fig. 5a, fig. 5b and related text descriptions, which are not repeated herein.
Compared with the prior art, the terminal is convenient to move and can be carried by a user, and the convenience of establishing networking among different channel machines is improved; meanwhile, the networking rule is simple, the terminal sends a networking request instruction to the switching center, the switching center analyzes the networking request instruction to obtain the identifier of the target channel machine, the target channel machine pointed by the identifier of the target channel machine is associated, the function of rapid networking among the channel machines is achieved, and therefore communication can be carried out among the target terminals within the coverage range of the target channel machine. According to the method, the user can establish networking anytime and anywhere according to the requirements, and the function of rapid and convenient networking is realized.
Referring to fig. 7, fig. 7 is a schematic structural diagram of an embodiment of the switching center of the present application. In the present embodiment, the switching center 70 includes a processor 72, a memory 73, and a communication circuit 71. The processor 72 is coupled to the memory 73 and the communication circuit 71, respectively.
The communication circuit 71 is configured to establish a connection with another switching center or a terminal, the memory 73 is configured to store program instructions executed by the processor 72 and intermediate data generated when the program instructions are executed, and the processor 72 implements the communication method shown in fig. 4 when the program instructions are executed.
The communication method has already been described in detail, and reference may be made to fig. 4, fig. 3a to fig. 3d, fig. 5a, fig. 5b and related text descriptions.
Compared with the prior art, the terminal is convenient to move and can be carried by a user, and the convenience of establishing networking among different channel machines is improved; meanwhile, the networking rule is simple, the terminal sends a networking request instruction to the switching center, the switching center analyzes the networking request instruction to obtain the identifier of the target channel machine, the target channel machine pointed by the identifier of the target channel machine is associated, the function of rapid networking among the channel machines is achieved, and therefore communication can be carried out among the target terminals within the coverage range of the target channel machine. According to the method, the user can establish networking anytime and anywhere according to the requirements, and the function of rapid and convenient networking is realized.
Referring to fig. 8, fig. 8 is a schematic structural diagram of an embodiment of a device with a storage function according to the present application. In the present embodiment, the device 80 having a storage function stores thereon program instructions 81, and the program instructions 81 can be executed to implement the communication method shown in fig. 2 or the communication method shown in fig. 4.
The communication method has been described in detail, and reference may be made to fig. 2, fig. 4, fig. 3a to fig. 3d, fig. 5a, fig. 5b, and related text descriptions, which are not repeated herein.
Compared with the prior art, the terminal is convenient to move and can be carried by a user, and the convenience of establishing networking among different channel machines is improved; meanwhile, the networking rule is simple, the terminal sends a networking request instruction to the switching center, the switching center analyzes the networking request instruction to obtain the identifier of the target channel machine, the target channel machine pointed by the identifier of the target channel machine is associated, the function of rapid networking among the channel machines is achieved, and therefore communication can be carried out among the target terminals within the coverage range of the target channel machine. According to the method, the user can establish networking anytime and anywhere according to the requirements, and the function of rapid and convenient networking is realized.
In the several embodiments provided in the present application, it should be understood that the disclosed method and apparatus may be implemented in other ways. The above-described apparatus embodiments are merely illustrative, and for example, a module or a unit may be divided into only one logical function, and may be implemented in other ways, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
Units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the embodiment.
In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit. The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium.
Based on such understanding, the technical solution of the present application may be substantially implemented or contributed to by the prior art, or all or part of the technical solution may be embodied in a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, a network device, or the like) or a processor (processor) to execute all or part of the steps of the method according to the embodiments of the present application. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
The above description is only an embodiment of the present application, and not intended to limit the scope of the present application, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the specification and the drawings, or directly or indirectly applied to other related technical fields, are also included in the scope of the present application.
Claims (20)
1. A simulcast system, comprising: a switching center, a channel machine and a terminal;
the terminal is used for sending a networking request instruction to the switching center, wherein the networking request instruction comprises a service type prompt and a marker of a target channel machine, and the service type prompt represents the networking request;
the switching center is used for analyzing the networking request instruction and establishing association between the target channel machines pointed by the identifier of the target channel machine so as to enable the target terminals within the coverage range of the target channel machines to communicate;
wherein the number of the target channel machines in the simulcast system is multiple.
2. The simulcast system of claim 1, wherein the switching center is further configured to disassociate the target channel machines after the target terminal completes communication or after the time for the target channel machines to establish association exceeds a preset time threshold.
3. A communication method is applied to a simulcast system, and is characterized by comprising the following steps:
a terminal generates a networking request instruction, wherein the networking request instruction comprises a service type prompt and a marker of a target channel machine, and the service type prompt represents the networking request;
the terminal sends the networking request instruction to a switching center so that the switching center establishes association with the target channel machine pointed by the identifier of the target channel machine, and further communication can be carried out between target terminals within the coverage range of the target channel machine;
wherein the number of the target channel machines in the simulcast system is multiple.
4. The communication method according to claim 3, wherein the step of the terminal generating the networking request instruction comprises:
and the terminal generates the networking request instruction according to a preset dialing mode and a dialing rule matched with the dialing mode.
5. The communication method according to claim 4, wherein the dialing mode is dual tone multi-frequency dialing mode;
the step that the terminal generates the networking request instruction according to a preset dialing mode and a dialing rule matched with the dialing mode comprises the following steps:
and the terminal generates the service type prompt and the identifier of the target channel machine by adopting a dual-tone multi-frequency dialing mode so as to generate the networking request instruction.
6. The communication method according to any one of claims 3 to 5, wherein the target channel machine is a target simulcast group comprising at least one channel machine.
7. The communication method according to claim 6, wherein when the number of the target simulcast groups is two or more, the two or more target simulcast groups are located in different target simulcast systems;
the step that the terminal generates the networking request instruction according to a preset dialing mode and a dialing rule matched with the dialing mode comprises the following steps:
and the terminal sequentially generates the service type prompt symbol, the system number of the target simulcast system and the identifier of the target simulcast group by adopting a dual-tone multi-frequency dialing mode so as to generate the networking request instruction.
8. The communication method according to any one of claims 3 to 5, wherein the step of the terminal sending the networking request command to a switching center comprises:
and the terminal sends the networking request instruction to the switching center through the channel machine.
9. A method according to any of claims 3 to 5, wherein the service type indicator is "".
10. A communication method is applied to a simulcast system, and is characterized by comprising the following steps:
the method comprises the steps that a switching center receives a networking request instruction sent by a terminal, and analyzes the networking request instruction to obtain a service type prompt in the networking request instruction and a marker of a target channel machine, wherein the service type prompt represents a networking request;
the switching center establishes association with the target channel machine pointed by the identifier of the target channel machine so as to enable communication between target terminals within the coverage range of the target channel machine;
wherein the number of the target channel machines in the simulcast system is multiple.
11. The communication method according to claim 10, wherein the step of the switching center associating the target channel machine pointed to by the identifier of the target channel machine to enable communication between target terminals within the coverage of the target channel machine comprises:
when the target channel machine in the networking request instruction is positioned in the same simulcast system, the switching center establishes association with the target channel machine pointed by the identifier of the target channel machine;
after the target terminal in the coverage range of any one of the target channel machines after the association is established initiates a call service, the switching center forwards the call service to other target channel machines associated with the target channel machine initiating the call service, so that the target terminals in the coverage range of the target channel machines can communicate with each other.
12. The communication method according to claim 10, wherein the step of the switching center associating the target channel machine pointed to by the identifier of the target channel machine to enable communication between target terminals within the coverage of the target channel machine comprises:
when the target channel machine in the networking request instruction is located in different simulcasting systems, the local end of the simulcasting system sends the networking request instruction to an opposite end switching center in the corresponding simulcasting system, and the local end and the opposite end are combined with the switching center to establish association with the target channel machine of the different simulcasting systems, so that communication can be carried out between target terminals within the coverage range of the target channel machine.
13. The communication method according to claim 12, wherein the step of the switching center associating the target channel machine pointed to by the identifier of the target channel machine to enable communication between target terminals within the coverage area of the target channel machine specifically comprises:
when the target channel machine in the networking request instruction is positioned in different simulcasting systems, the switching center of the local terminal of the simulcasting system sends the networking request instruction to the opposite terminal switching center in the corresponding simulcasting system, and the switching center of the local terminal combines the opposite terminal switching center to establish association with the target channel machine of the different simulcasting systems;
after the target terminal in the coverage range of any associated target channel machine initiates a call service, the switching center of the local terminal forwards the call service to the switching center of the opposite terminal, so that the target terminals in the coverage range of the target channel machine can communicate with each other.
14. The communication method according to claim 13, further comprising:
after the switching center of the local terminal receives a feedback instruction which is sent by the switching center of the opposite terminal and used for successfully establishing the association, the switching center of the local terminal sends prompt information of successful networking to the terminal.
15. The communication method according to claim 13, further comprising:
after the target terminal completes communication or the time for establishing association by the target channel machine exceeds a preset time threshold, the switching center releases the association between the target channel machines.
16. The communication method according to claim 15, further comprising:
after the switching center releases the association between the target channel machines, the switching center sends prompt information that the association between the target channel machines is released to the terminal.
17. A terminal, characterized in that the terminal comprises a processor, a memory and a communication circuit;
the communication circuit is used for establishing connection with a switching center or other terminals;
the memory is used for storing program instructions executed by the processor and intermediate data generated when the program instructions are executed;
the processor, when executing the program instructions, implements the communication method of any one of claims 3-9.
18. The terminal of claim 17, wherein the terminal is a mobile station.
19. A switching center, comprising a processor, a memory, and communication circuitry;
the communication circuit is used for establishing connection with other switching centers or terminals;
the memory is used for storing program instructions executed by the processor and intermediate data generated when the program instructions are executed;
the processor, when executing the program instructions, implements the communication method of any one of claims 10-16.
20. An apparatus having a memory function, characterized in that program instructions are stored thereon, which are executable to implement a communication method according to any one of claims 3 to 9 or to implement a communication method according to any one of claims 10 to 16.
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