CN114390372A - Intelligent balanced multi-channel talkback networking system with activation authentication - Google Patents
Intelligent balanced multi-channel talkback networking system with activation authentication Download PDFInfo
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- CN114390372A CN114390372A CN202210069829.1A CN202210069829A CN114390372A CN 114390372 A CN114390372 A CN 114390372A CN 202210069829 A CN202210069829 A CN 202210069829A CN 114390372 A CN114390372 A CN 114390372A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q5/00—Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange
- H04Q5/24—Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange for two-party-line systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/06—Authentication
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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
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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
- H04W4/10—Push-to-Talk [PTT] or Push-On-Call services
Abstract
The invention provides an intelligent balanced multi-channel talkback networking system with activation authentication, which comprises a control center and a plurality of relay devices, wherein the control center is used for controlling the activation authentication of the relay devices; a plurality of relay devices are registered in a control center through a network to form a multi-channel intelligent multiplexing intercom system, and the control center receives the registration of the relay devices in the system and monitors and manages the configuration and the working state of the relay devices; the relay channel of each relay device is provided with working group information of a corresponding mobile station for networking call scheduling and authentication key information for validity verification of each mobile station in the process of activating authentication; each mobile station monitors under the channel of the corresponding on-duty relay equipment according to the balanced distribution of the configuration information, and calls and automatically jumps channels in the network.
Description
Technical Field
The invention relates to the technical field of communication, in particular to an intelligent balanced multi-channel talkback networking system with activation authentication.
Background
In the intercom system, the intercom station has the functions of bidirectional broadcasting and receiving, and can send and receive call information in a broadcasting mode to realize one-to-many functions, so that the intercom station is widely applied to various short-distance communications. However, since the communication is performed in a broadcast manner and a point-to-point communication manner is not adopted, the identity of the mobile phone is not required to be confirmed, which reduces the security of the intercom station and may cause the illegal mobile station to occupy the channel resource of the system. And the conventional relay talkback system only supports the conventional talkback service function under the channel, and can not meet the in-network calling and multi-channel multiplexing, thereby limiting the number of paths of the voice pairs existing in the system at the same time.
In summary, how to overcome the above-mentioned drawbacks is a problem that needs to be solved urgently by those skilled in the art.
Disclosure of Invention
In order to solve the above mentioned problems and requirements, the present solution provides an intelligent balanced multi-channel intercom networking system with activation authentication, which can solve the above technical problems by adopting the following technical solutions.
In order to achieve the purpose, the invention provides the following technical scheme: an intelligent balanced multi-channel talkback networking system with activation authentication comprises: the system comprises a control center and a plurality of relay devices;
the plurality of relay devices are registered to the control center through a network to form a multi-channel intelligent multiplexing intercom system, the control center receives the registration of the relay devices in the system, monitors and manages the configuration and the working state of the relay devices, and realizes the scheduling of in-network sessions;
the relay channel of each relay device is provided with working group information of a corresponding mobile station for networking call scheduling, and authentication key information for performing validity verification on each mobile station in the process of activating authentication to prevent an illegal mobile station from using an inactivated relay channel resource;
each mobile station monitors under the channel of the corresponding on-duty relay equipment according to the balanced distribution of the configuration information, and calls and automatically jumps the channel in the network.
Further, the switching process between the on-duty relay device and the free relay device of the mobile station is as follows: the mobile station receives the system broadcast frame sent by the control center and synchronizes to the on-duty relay equipment, monitors the downlink double time slot state of the on-duty relay equipment when the mobile station is in the channel of the on-duty relay equipment, and automatically jumps to the free relay equipment channel appointed by the control center to monitor if the mobile station detects that the double time slots are in the voice conversation; and the mobile station is synchronized to the free relay equipment, and when the mobile station is in the channel of the free relay equipment and detects that the on-duty relay equipment is idle through system broadcast frame information, the mobile station automatically skips to the channel of the on-duty relay equipment to monitor.
Furthermore, the on-duty relay device is a relay device corresponding to a default working channel after the mobile station is powered on, the free relay device is an idle relay device in the system specified by the control center, and the voice call does not exist in the double time slots of the relay device at the same time.
Furthermore, the system broadcast frame information includes channel coding information, free relay device information and relay device busy/idle state information in the system.
Furthermore, each relay device is configured with a plurality of working groups, the relay devices do not contain the same working group, and the stations of each working group all use the relay device to which the corresponding working group belongs as the attended relay device.
Further, the activating authentication process specifically includes:
s1, configuring the same preset authentication key for the mobile station and the corresponding relay equipment, wherein the corresponding relay equipment is in a dormant state and only monitors the uplink channel of the corresponding relay equipment;
s2, when the mobile station initiates a new service, it sends an activation frame to the uplink channel of the corresponding relay device, after the uplink channel receives the activation frame, it activates the corresponding relay device, judges whether to start the authentication function, if it is, it executes step S3, otherwise it sends IDLE frame directly on the downlink channel;
s3, the corresponding relay equipment sends self-defined authentication request information in both downlink channel double time slots;
s4, the mobile station sends authentication response information after the relay signal receives the self-defined authentication request information, the corresponding relay equipment receives the authentication response code carried by the authentication response information, judges whether the relay activation authentication is successful, if so, sends an IDLE frame on a downlink channel, otherwise, judges whether an IDLE suspension timer of the relay equipment is overtime, if so, the relay equipment is in a dormant state, only monitors the uplink channel of the corresponding relay equipment, and if not, the step S3 is executed repeatedly;
s5, when the corresponding relay device is activated successfully, monitoring whether the uplink channel receives the service frame, when the service frame is received, the corresponding relay device transfers the frame data received by the uplink channel in the downlink channel, otherwise, judging whether the idle suspension timer of the relay device is overtime, if so, the relay device is in a dormant state, and only monitoring the uplink channel of the corresponding relay device;
s6, in order to accelerate the service sending speed, the mobile station does not need to wait for IDLE frame, and immediately sends the service information after sending the authentication response information.
Further, when the mobile station initiates an in-network call request, the corresponding relay equipment notifies the control center, the control center permits the in-network call request and sends the information to the initiator relay equipment, and meanwhile, the control center sends call grant information to the relevant relay equipment to notify other participating mobile stations in the system to actively jump to the channel of the initiator relay equipment to participate in the call; when the voice call is over, the participating stations automatically jump back to their respective channels on duty.
Furthermore, in a scenario of non-group call merging, the voice call timeslot resource is allocated as a channel timeslot where the initiator station is located by default.
According to the technical scheme, the invention has the beneficial effects that:
1. the system is expanded based on a conventional relay intercom system, not only supports all conventional intercom service functions under the channel, but also supports in-network calling, and enlarges the calling range.
2. Based on in-network calling and automatic channel skipping, multi-channel multiplexing in the system is achieved, and the number of voice paths in the system is increased.
3. The function of the control center can be simple and complicated, and the function of group calling in the network can be realized only depending on the information of the relay and the working group thereof; and the system can also be matched with the registration function of the mobile station to realize more complicated system equipment management and control and the function of calling in network.
4. Based on the optimized activation authentication function, the validity verification of the mobile station is realized with the minimum time delay, and the illegal mobile station is prevented from using the channel resources of the system.
In addition to the above objects, features and advantages, preferred embodiments of the present invention will be described in more detail below with reference to the accompanying drawings so that the features and advantages of the present invention can be easily understood.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments of the present invention or the prior art will be briefly described, wherein the drawings are only used for illustrating some embodiments of the present invention and do not limit all embodiments of the present invention thereto.
Fig. 1 is a schematic diagram of a composition structure of an intelligent balanced multi-channel intercom networking system with activation authentication.
Fig. 2 is a diagram illustrating the specific steps of the authentication activation process according to the present invention.
Fig. 3 is a schematic flow chart of the activation authentication process in this embodiment.
Fig. 4 is a flowchart illustrating an intranet call process according to this embodiment.
Fig. 5 is a schematic flow chart of a switching process between the attended relay device and the free relay device of the mobile station in this embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of specific embodiments of the present invention. Like reference symbols in the various drawings indicate like elements. It should be noted that the described embodiments are only some embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the invention without any inventive step, are within the scope of protection of the invention.
In the DMR talkback protocol, three layers of product forms are planned, namely a first layer, a direct mode and a channel, wherein one channel only supports 1-path voice conversation without personal authentication. The second layer, transit mode, one channel supports at most 2 voice sessions, and can select personal authentication. The third layer, the trunking mode, can support multi-channel calls according to the number of the traffic channels in the system, and needs personal authentication. The scheme provides an extended networking system based on a DMR talkback second-layer product, so that the function of simultaneously supporting multiple paths of sessions in the system is realized, and a feasible activation mechanism of effective authentication of the mobile station based on authentication is realized. The application discloses intelligent balanced multichannel talkback networking system with activation authentication, as shown in fig. 1 to 5, the system includes: the system comprises a control center and a plurality of relay devices;
the plurality of relay devices are registered to the control center through a network to form a multi-channel intelligent multiplexing intercom system, the control center receives the registration of the relay devices in the system, monitors and manages the configuration and the working state of the relay devices, and realizes the scheduling of in-network sessions;
the relay channel of each relay device is configured with the working group information of the corresponding mobile station for networking call scheduling, and is also configured with authentication key information for validity verification of each mobile station in the process of activating authentication to prevent illegal mobile stations from using the inactivated relay channel resources.
Specifically, each relay device is configured with a plurality of working groups, the relay devices do not include the same working group, and the stations of each working group all use the relay device to which the corresponding working group belongs as the attended relay device.
As shown in fig. 2 and fig. 3, the activating authentication process specifically includes:
s1, configuring the same preset authentication key for the mobile station and the corresponding relay equipment, wherein the corresponding relay equipment is in a dormant state and only monitors the uplink channel of the corresponding relay equipment;
s2, when the mobile station initiates a new service, it sends an activation frame to the uplink channel of the corresponding relay device, after the uplink channel receives the activation frame, it activates the corresponding relay device, judges whether to start the authentication function, if it is, it executes step S3, otherwise it sends IDLE frame directly on the downlink channel;
s3, the corresponding relay equipment sends a self-defined authentication request Ackvit frame in the downlink channel double time slots;
s4, after the mobile station synchronizes to a relay signal and receives the self-defined authentication request Ackvit frame, sending an authentication response information AckAuth frame, after the corresponding relay equipment receives an authentication response code carried by the authentication response AckAuth frame, judging whether the relay activation authentication is successful, if so, sending an IDLE frame on a downlink channel, otherwise, judging whether an IDLE suspension timer of the relay equipment is overtime, if so, the relay equipment is in a dormant state, only monitoring the uplink channel of the corresponding relay equipment, and if not, repeatedly executing the step S3;
s5, when the corresponding relay device is activated successfully, monitoring whether the uplink channel receives the service frame, when the service frame is received, the corresponding relay device transfers the frame data received by the uplink channel in the downlink channel, otherwise, judging whether the idle suspension timer of the relay device is overtime, if so, the relay device is in a dormant state, and only monitoring the uplink channel of the corresponding relay device;
s6, in order to accelerate the service sending speed, the mobile station does not need to wait for IDLE frame, and immediately sends the service information after sending the authentication response AckAuth frame.
Each station in the system monitors under the channel of the corresponding on-duty relay device according to the balanced distribution of the configuration information, and calls and automatically jumps the channel in the network.
In the system, when a mobile station initiates an in-network call request, a corresponding relay device informs a control center, the control center permits the in-network call request and sends down the in-network call request to an initiator relay device, and meanwhile, the control center sends down call grant information to related relay devices to inform other participating mobile stations in the system to actively jump to a channel of the initiator relay device to participate in the call; when the voice call is over, the participating stations automatically jump back to their respective channels on duty. In the scenario of non-group call merging, the voice call timeslot resource is allocated as the channel timeslot where the initiator station is located by default.
As shown in fig. 4, the in-network call procedure is as follows: when the mobile station initiates an in-network call request, the mobile station of an initiator presses PTT to send a Rand frame, the corresponding relay equipment informs the control center, the control center permits the in-network call request and sends down the information to the relay equipment of the initiator, and meanwhile, the control center sends down call grant information to the relevant relay equipment and informs the mobile station to actively jump to a channel of the relay equipment of the initiator to participate in the call. After receiving the Grant frame, the initiating side hand set successfully establishes the in-network call, judges whether the call channel is located in other relay equipment, if not, the call channel is switched to the appointed relay channel, otherwise, the initiating side hand set directly sends the voice call data in the appointed time slot, the initiating side hand set initiates hang-up request information after finishing the voice call data in the appointed time slot, the hand set finishes the in-network call after receiving the Clear frame, after finishing the call, judges whether the call channel is located in the on-duty relay equipment, if yes, the on-duty relay equipment is jumped to, otherwise, the on-duty relay equipment is monitored to be idle, when the on-duty relay equipment is idle, the on-duty relay equipment is jumped to the on-duty relay equipment, otherwise, the on-duty relay equipment is jumped to. After receiving the Grant frame, the participant hand set judges whether the calling channel is positioned in other relay devices, if not, the participant hand set is switched to the appointed relay channel, otherwise, the participant hand set directly receives the voice calling data in the appointed time slot, after the participant hand set receives the voice in the appointed time slot, the calling in the Clear frame network is received and is ended, after the calling is ended, the participant hand set judges whether the calling channel is positioned in the on-duty relay device, if so, the participant hand set jumps to the on-duty relay device, otherwise, the participant hand set monitors whether the on-duty relay device is idle, when the on-duty relay device is idle, the participant hand set jumps to the on-duty relay device, otherwise, the participant hand set jumps to the free relay device.
In this embodiment, the system supports local calling and in-network calling, the local calling does not need to apply to the control center, the calling participants are limited to the operating handsets under the current relay channel, the local calling is a conventional relay talkback function, and the communication in the local channel does not affect other channels. The in-network call must initiate a call request to the control center, obtain a call permission, and the control center informs the other stations under other relays in other systems to participate in the call, the in-network call initiates a networking group call request for the station, and the system automatically informs the called party under the relevant channel to jump to the originating party channel to participate in the session.
In this embodiment, the workgroup means that each handset is configured with a default workgroup group call.
The Aloha frame is a system broadcast frame and contains information such as channel coding, free relay, relay busy and idle states and the like in the system.
The Move frame is a free relay transition frame and includes information such as a new free relay channel.
The Rand frame is an in-network call request frame, and the mobile station initiates an in-network call request to the center. The Grant frame is a voice call Grant frame and contains information such as the ID of the calling party and the called party of the voice call, the allocated channel and the like.
The Protect frame is a voice call suspend protection frame indicating that channel timeslot resources have been allocated for use by in-network calls.
The Maint frame is an in-network voice call hang-up frame, and a mobile station initiates a voice hang-up request to a control center.
The Clear frame is a voice call ending frame and contains information such as called ID, free relay, relay busy and idle states and the like.
The Ackvit frame is an authentication request frame and contains authentication random code information.
The AckAuth frame is an authentication response frame and contains authentication response code information.
As shown in fig. 5, the switching process between the attended relay device and the free relay device of the mobile station is as follows: the mobile station receives the system broadcast frame sent by the control center and synchronizes to the on-duty relay equipment, monitors the downlink double time slot state of the on-duty relay equipment when the mobile station is in the channel of the on-duty relay equipment, and automatically jumps to the free relay equipment channel appointed by the control center to monitor if the mobile station detects that the double time slots are in the voice conversation; and the mobile station is synchronized to the free relay equipment, and when the mobile station is in the channel of the free relay equipment and detects that the on-duty relay equipment is idle through system broadcast frame information, the mobile station automatically skips to the channel of the on-duty relay equipment to monitor.
The on-duty relay device is a relay device corresponding to a default working channel after the mobile phone is started, the free relay device is an idle relay device in a system appointed by the control center, and the double time slots of the relay device do not have voice calling at the same time.
The system broadcast frame information comprises channel coding information, free relay equipment information and busy and idle state information of the relay equipment in the system.
It should be noted that the described embodiments of the invention are only preferred ways of implementing the invention, and that all obvious modifications, which are within the scope of the invention, are all included in the present general inventive concept.
Claims (8)
1. An intelligent balanced multi-channel talkback networking system with activation authentication is characterized by comprising a control center and a plurality of relay devices;
the plurality of relay devices are registered to the control center through a network to form a multi-channel intelligent multiplexing intercom system, the control center receives the registration of the relay devices in the system, monitors and manages the configuration and the working state of the relay devices, and realizes the scheduling of in-network sessions;
the relay channel of each relay device is provided with working group information of a corresponding mobile station for networking call scheduling, and authentication key information for performing validity verification on each mobile station in the process of activating authentication to prevent an illegal mobile station from using an inactivated relay channel resource;
each mobile station monitors under the channel of the corresponding on-duty relay equipment according to the balanced distribution of the configuration information, and calls and automatically jumps the channel in the network.
2. The intelligent balanced multi-channel intercom networking system with activation authentication as claimed in claim 1, wherein the switching process between the on-duty relay device and the free relay device of the mobile station is as follows: the mobile station receives the system broadcast frame sent by the control center and synchronizes to the on-duty relay equipment, monitors the downlink double time slot state of the on-duty relay equipment when the mobile station is in the channel of the on-duty relay equipment, and automatically jumps to the free relay equipment channel appointed by the control center to monitor if the mobile station detects that the double time slots are in the voice conversation; and the mobile station is synchronized to the free relay equipment, and when the mobile station is in the channel of the free relay equipment and detects that the on-duty relay equipment is idle through system broadcast frame information, the mobile station automatically skips to the channel of the on-duty relay equipment to monitor.
3. The system according to claim 2, wherein the on-duty relay device is a relay device corresponding to a default working channel after the mobile station is powered on, the free relay device is an idle relay device in the system specified by the control center, and there is no voice call in the dual time slots of the relay device.
4. The intelligent balanced multi-channel intercom networking system with activation authentication as recited in claim 2 wherein said system broadcast frame information comprises channel coding information, free relay device information and relay device busy and idle status information within the system.
5. The system according to claim 1, wherein each relay device is configured with a plurality of working groups, the relay devices do not have the same working group, and the stations of each working group use the relay device belonging to the corresponding working group as the attended relay device.
6. The intelligent balanced multi-channel intercom networking system with activation authentication as claimed in claim 1, wherein the activation authentication process specifically comprises:
s1, configuring the same preset authentication key for the mobile station and the corresponding relay equipment, wherein the corresponding relay equipment is in a dormant state and only monitors the uplink channel of the corresponding relay equipment;
s2, when the mobile station initiates a new service, it sends an activation frame to the uplink channel of the corresponding relay device, after the uplink channel receives the activation frame, it activates the corresponding relay device, judges whether to start the authentication function, if it is, it executes step S3, otherwise it sends IDLE frame directly on the downlink channel;
s3, the corresponding relay equipment sends self-defined authentication request information in both downlink channel double time slots;
s4, the mobile station sends authentication response information after the relay signal receives the self-defined authentication request information, the corresponding relay equipment receives the authentication response code carried by the authentication response information, judges whether the relay activation authentication is successful, if so, sends an IDLE frame on a downlink channel, otherwise, judges whether an IDLE suspension timer of the relay equipment is overtime, if so, the relay equipment is in a dormant state, only monitors the uplink channel of the corresponding relay equipment, and if not, the step S3 is executed repeatedly;
s5, when the corresponding relay device is activated successfully, monitoring whether the uplink channel receives the service frame, when the service frame is received, the corresponding relay device transfers the frame data received by the uplink channel in the downlink channel, otherwise, judging whether the idle suspension timer of the relay device is overtime, if so, the relay device is in a dormant state, and only monitoring the uplink channel of the corresponding relay device;
s6, in order to accelerate the service sending speed, the mobile station does not need to wait for IDLE frame, and immediately sends the service information after sending the authentication response information.
7. The intelligent balanced multi-channel intercom networking system with activation authentication as claimed in claim 1, wherein when a mobile station initiates an in-network call request, the control center is notified by the corresponding relay device, the control center permits the in-network call request and sends down a notification to the initiator relay device, and meanwhile, the control center issues a call grant message to the relevant relay device to notify other participating mobile stations in the system to actively jump to the channel of the initiator relay device to participate in the call; when the voice call is over, the participating stations automatically jump back to their respective channels on duty.
8. The intelligent balanced multi-channel intercom networking system with activation authentication as claimed in claim 7, wherein in a scenario where no group call is merged, voice call timeslot resources are allocated as a channel timeslot where the initiator mobile station is located by default.
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| CN110225422A (en) * | 2019-06-17 | 2019-09-10 | 深圳市慧智慧科技有限公司 | A kind of intercommunication means of communication, device, system, storage medium and intercom |
| CN111711535A (en) * | 2020-06-03 | 2020-09-25 | 广州维德科技有限公司 | Multi-standard integrated communication system |
| CN111935653A (en) * | 2020-07-28 | 2020-11-13 | 福建北峰通信科技股份有限公司 | Ad hoc network wireless intercom system and communication method |
| CN113490163A (en) * | 2021-08-13 | 2021-10-08 | 福建泉盛电子有限公司 | Wireless ad hoc network intercom system and communication method thereof |
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