CN110519707B - Narrow-band digital cluster terminal cooperation information sharing method - Google Patents
Narrow-band digital cluster terminal cooperation information sharing method Download PDFInfo
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- CN110519707B CN110519707B CN201910743561.3A CN201910743561A CN110519707B CN 110519707 B CN110519707 B CN 110519707B CN 201910743561 A CN201910743561 A CN 201910743561A CN 110519707 B CN110519707 B CN 110519707B
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
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Abstract
The invention discloses a method for sharing collaboration information of a narrow-band digital trunking terminal, and belongs to the technical field of wireless communication. The invention adopts a pull-up mode to control the order of sending the cooperative information by the target terminal, can effectively avoid the service collision generated by simultaneously sending the cooperative information by a plurality of terminals and ensure that the terminals can successfully send the cooperative information. The invention has good expansibility and stability, can effectively avoid service collision generated when a plurality of terminals send the cooperative information at the same time, and ensures that the terminals can successfully send the cooperative information. Meanwhile, the invention can greatly reduce the number of signaling to be sent, shorten the sending period to a greater extent, reduce the occupied time of the control channel, support more terminals to share the cooperative information in the same time and ensure that services such as voice call and the like can be initiated normally in the process of sharing the cooperative information. The patent is funded by a national key research and development plan, and has a project number of 2017YFC 0821900.
Description
Technical Field
The invention belongs to the technical field of wireless communication, and particularly relates to a method for sharing collaboration information of a narrow-band digital trunking terminal.
Background
Services defined in a narrow-band Digital Trunking communication standard represented by PDT (Police Digital Trunking terminal) and TETRA (Terrestrial Trunked Radio) and capable of realizing information interaction between terminals are mainly text short message services, and a terminal transmits text short messages by using a control channel.
In the practical use process, when a plurality of terminals perform cooperative work, the cooperative information needs to be shared in real time, and the cooperative information comprises the personal number, longitude, latitude, speed and direction of the terminals. The method adopts a text short message mode to share the cooperative information, one text short message can bear all contents of the cooperative information, but the text short message is transmitted in a control channel, a plurality of terminals send the cooperative information according to a specified time period, and the uplink transmission time slot of the system control channel can be seriously occupied, so that other services such as voice calling under the system and the like can not be normally initiated. In addition, the cooperative information transmission performed by a plurality of terminals lacks uniform control, which is likely to cause service collision, resulting in failure of cooperative information transmission.
Disclosure of Invention
In order to solve the problem that the conventional narrow-band digital trunking standard service cannot realize real-time sharing of the cooperative information of a plurality of terminals according to a specified time period, the invention provides a method for sharing the cooperative information of the narrow-band digital trunking terminal.
The purpose of the invention is realized as follows:
a narrow-band digital trunking terminal collaboration information sharing method comprises the following steps:
(1) the scheduling terminal selects one or more user terminals as a target terminal, and then initiates a cooperative information pull-up request to the system; each user terminal has a unique tag number, a unique personal number and a unique personal address, and a corresponding relation table of the tag number and the unique personal address is reserved in the system and the user terminals;
(2) after receiving a pull-up request initiated by a scheduling terminal, the system sequences target terminals and encapsulates individual addresses of the target terminals which are arranged in sequence into a pull-up signaling;
(3) the system sequentially sends the pull-up signaling to each user terminal according to the sequence;
(4) after receiving the pull-up signaling, a target terminal in the user terminal encodes the cooperative information, encapsulates the cooperative information reporting signaling and reports the cooperative information on a special data channel; the cooperative information comprises a tag number, longitude and latitude, a speed node and a direction angle of the target terminal;
(5) after receiving a cooperative information reporting signaling of a target terminal, the system analyzes the signaling, acquires cooperative information, encapsulates the cooperative information into a broadcast signaling and sends the broadcast signaling to all user terminals in a broadcast mode on a control channel;
(6) after receiving the broadcast signaling sent by the system, the non-target terminal in the user terminal acquires the cooperative information from the broadcast signaling.
Specifically, in the step (1), the request sent by the scheduling terminal to the system is a collaboration information pull-up instruction including a destination terminal personal number.
Specifically, the system in step (2) sorts the destination terminals in a manner that the destination terminals are sorted in a sequence of tag numbers from small to large.
Specifically, in the step (3), the pull-up signaling sent by the system is a control channel signaling containing a personal address of the destination terminal, and the system sends the pull-up signaling on the control channel in a manner of sending the pull-up signaling once every other control channel time slot.
Specifically, the specific manner of step (4) is as follows:
(401) the user terminal receives and analyzes the pull-up signaling and simultaneously acquires the personal address of the terminal;
(402) judging whether the personal address of the terminal is the same as the personal address of the target terminal in the pull-up signaling, if so, executing a step (403), otherwise, ending the process;
(403) obtaining the label number, longitude and latitude, speed node and direction angle information of the terminal, and packaging the information into a cooperative information reporting signaling;
(404) and sending a cooperative information reporting signaling in a dedicated data channel.
Specifically, the broadcast signaling in steps (5) and (6) includes a tag number of the destination terminal, and in step (6), the user terminal first acquires the tag number of the destination terminal from the broadcast signaling, then determines whether the user terminal is the destination terminal according to the tag number, and if the user terminal is not the destination terminal, acquires the cooperation information from the broadcast signaling.
Compared with the background technology, the invention has the following advantages:
(1) the invention adopts a pull-up mode to control the order of sending the cooperative information by the target terminal, can effectively avoid the service collision generated by simultaneously sending the cooperative information by a plurality of terminals and ensure that the terminals can successfully send the cooperative information.
(2) The invention adopts the private cooperative information reporting signaling and the broadcast signaling, and adopts the special data channel to report, thereby greatly reducing the number of the signaling to be sent, shortening the sending period to a greater extent, reducing the occupied time of the control channel, supporting more terminals to carry out cooperative information sharing in the same time, and simultaneously ensuring that the services such as voice calling and the like in the cooperative information sharing process can be normally initiated.
Drawings
FIG. 1 is a collaboration information sharing data flow diagram of the present invention;
fig. 2 is a flowchart of the terminal of the present invention encapsulating and reporting the cooperative information after receiving the pull-up signaling.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
A narrow-band digital trunking terminal collaboration information sharing method comprises the following steps:
(1) the scheduling terminal selects one or more user terminals as a target terminal, and then initiates a cooperative information pull-up request to the system; each user terminal has a unique tag number, a unique personal number and a unique personal address, and a corresponding relation table of the tag number and the unique personal address is reserved in the system and the user terminals;
(2) after receiving a pull-up request initiated by a scheduling terminal, the system sequences target terminals and encapsulates individual addresses of the target terminals which are arranged in sequence into a pull-up signaling;
(3) the system sequentially sends the pull-up signaling to each user terminal according to the sequence;
(4) after receiving the pull-up signaling, a target terminal in the user terminal encodes the cooperative information, encapsulates the cooperative information reporting signaling and reports the cooperative information on a special data channel; the cooperative information comprises a tag number, longitude and latitude, a speed node and a direction angle of the target terminal;
(5) after receiving a cooperative information reporting signaling of a target terminal, the system analyzes the signaling, acquires cooperative information, encapsulates the cooperative information into a broadcast signaling and sends the broadcast signaling to all user terminals in a broadcast mode on a control channel;
(6) after receiving the broadcast signaling sent by the system, the non-target terminal in the user terminal acquires the cooperative information from the broadcast signaling.
Specifically, in the step (1), the request sent by the scheduling terminal to the system is a collaboration information pull-up instruction including a destination terminal personal number.
Specifically, the system in step (2) sorts the destination terminals in a manner that the destination terminals are sorted in a sequence of tag numbers from small to large.
Specifically, in the step (3), the pull-up signaling sent by the system is a control channel signaling containing a personal address of the destination terminal, and the system sends the pull-up signaling on the control channel in a manner of sending the pull-up signaling once every other control channel time slot.
Specifically, the specific manner of step (4) is as follows:
(401) the user terminal receives and analyzes the pull-up signaling and simultaneously acquires the personal address of the terminal;
(402) judging whether the personal address of the terminal is the same as the personal address of the target terminal in the pull-up signaling, if so, executing a step (403), otherwise, ending the process;
(403) obtaining the label number, longitude and latitude, speed node and direction angle information of the terminal, and packaging the information into a cooperative information reporting signaling;
(404) and sending a cooperative information reporting signaling in a dedicated data channel.
Specifically, the broadcast signaling in steps (5) and (6) includes a tag number of the destination terminal, and in step (6), the user terminal first acquires the tag number of the destination terminal from the broadcast signaling, then determines whether the user terminal is the destination terminal according to the tag number, and if the user terminal is not the destination terminal, acquires the cooperation information from the broadcast signaling.
Fig. 1 is a collaborative information sharing data flow diagram, which is implemented in the following manner:
step 101: the method comprises the steps of selecting a collaborative information sharing function on a scheduling terminal, selecting a target user terminal, and then initiating a collaborative information pull-up request to a system, wherein the request comprises a target terminal personal number.
Step 102: after receiving the pull-up request of the scheduling terminal, the system analyzes the request to obtain the personal number of the target terminal, obtains the terminal tag number according to the corresponding relation table of the personal number and the tag number, then sorts the tag number from small to large according to the terminal tag number, and encapsulates the personal address of the target terminal into a corresponding pull-up request signaling.
Step 103: the system sends the pull-up signaling to the target terminal on the control channel in sequence according to the sequencing sequence of the terminal tag numbers, and the system adopts a mode of sending once every other control channel time slot.
Step 104: and after receiving the pull-up signaling, the terminal acquires and codes the cooperative information, encapsulates the cooperative information reporting signaling and reports the cooperative information on a special data channel.
Fig. 2 is a flow of a terminal receiving a pull-up signaling, encapsulating and reporting a collaborative information, and the specific process is as follows:
(401) the user terminal receives and analyzes the pull-up signaling to obtain the personal address of the destination terminal and the personal address of the terminal;
(402) judging whether the personal address of the terminal is the same as the personal address of the target terminal in the pull-up signaling, if so, executing a step (403), otherwise, ending the process;
(403) obtaining the label number, longitude and latitude, speed node and direction angle information of the terminal, and packaging the information into a cooperative information reporting signaling;
(404) and sending a cooperative information reporting signaling in a dedicated data channel.
Step 105: the system receives the cooperative information reporting signaling and then analyzes the cooperative information to obtain the cooperative information, packages the cooperative information into a broadcast signaling and sends the broadcast signaling to all user terminals in a control channel in a broadcast mode;
step 106: after receiving the broadcast issued by the system, the user terminal analyzes the broadcast signaling, acquires a target terminal tag number in the broadcast signaling, then judges whether the user terminal is the target terminal according to the tag number, acquires the cooperative information from the broadcast signaling if the user terminal is not the target terminal, and converts the tag number into a personal number according to the corresponding relation table.
The invention adopts a method of combining system pull-up, special data channel report and broadcast issue, and solves the problem that the prior narrow-band digital trunking standard service can not realize real-time sharing of cooperative information by a plurality of terminals according to a specified time period. In the invention, the scheduling terminal sends a pull-up request to the system through a self-defined pull-up instruction, and the system receives the request and encapsulates the cooperative information pull-up signaling. The system sends the pull-up signaling to the destination terminal through the control channel. And after receiving the pull-up signaling, the terminal acquires the cooperative information, encapsulates the cooperative information into a reporting signaling and reports the reporting signaling through a special data channel. The system receives the report signaling, analyzes the report signaling, encapsulates the cooperative information into a broadcast signaling and sends the broadcast signaling to all the user terminals. And the user terminal analyzes the received broadcast signaling to acquire the cooperative information.
The invention has good expansibility and stability, can effectively avoid service collision generated when a plurality of terminals send the cooperative information at the same time, and ensures that the terminals can successfully send the cooperative information. Meanwhile, the invention can greatly reduce the number of signaling to be sent, shorten the sending period to a greater extent, reduce the occupied time of the control channel, support more terminals to share the cooperative information in the same time and ensure that services such as voice call and the like can be initiated normally in the process of sharing the cooperative information.
The patent is funded by a national key research and development plan, and has a project number of 2017YFC 0821900.
It should be noted that the above description is only a preferred application example of the present invention, and is not intended to limit the protection scope of the present invention. All the technical solutions adopting the equivalent substitution or the equivalent transformation are within the protection scope of the present invention.
Claims (6)
1. A narrow-band digital trunking terminal cooperation information sharing method is characterized by comprising the following steps:
(1) the scheduling terminal selects one or more user terminals as a target terminal, and then initiates a cooperative information pull-up request to the system; each user terminal has a unique tag number, a unique personal number and a unique personal address, and a corresponding relation table of the tag number and the unique personal address is reserved in the system and the user terminals;
(2) after receiving a pull-up request initiated by a scheduling terminal, the system sequences target terminals and encapsulates individual addresses of the target terminals which are arranged in sequence into a pull-up signaling;
(3) the system sequentially sends the pull-up signaling to each user terminal according to the sequence;
(4) after receiving the pull-up signaling, a target terminal in the user terminal encodes the cooperative information, encapsulates the cooperative information reporting signaling and reports the cooperative information on a special data channel; the cooperative information comprises a tag number, longitude and latitude, a speed node and a direction angle of the target terminal;
(5) after receiving a cooperative information reporting signaling of a target terminal, the system analyzes the signaling, acquires cooperative information, encapsulates the cooperative information into a broadcast signaling and sends the broadcast signaling to all user terminals in a broadcast mode on a control channel;
(6) after receiving the broadcast signaling sent by the system, the non-target terminal in the user terminal acquires the cooperative information from the broadcast signaling.
2. The method for sharing collaboration information of a narrowband digital trunking terminal according to claim 1, wherein in the step (1), the request sent by the scheduling terminal to the system is a collaboration information pull-up instruction containing a destination terminal personal number.
3. The narrow-band digital trunking terminal collaboration information sharing method according to claim 1, wherein the system in step (2) sorts the destination terminals in order of tag numbers from small to large.
4. The method for sharing the cooperative information of the narrow-band digital trunking terminal according to claim 1, wherein in the step (3), the pull-up signaling issued by the system is a control channel signaling containing a personal address of the destination terminal, and the system issues the pull-up signaling on the control channel in a manner of sending the pull-up signaling once every other control channel time slot.
5. The method for sharing the collaboration information of the narrowband digital trunking terminal according to claim 4, wherein the step (4) is specifically performed by:
(401) the user terminal receives and analyzes the pull-up signaling and simultaneously acquires the personal address of the terminal;
(402) judging whether the personal address of the terminal is the same as the personal address of the target terminal in the pull-up signaling, if so, executing a step (403), otherwise, ending the process;
(403) obtaining the label number, longitude and latitude, speed node and direction angle information of the terminal, and packaging the information into a cooperative information reporting signaling;
(404) and sending a cooperative information reporting signaling in a dedicated data channel.
6. The method for sharing collaboration information of a narrow-band digital trunking terminal as claimed in claim 1, wherein the broadcast signaling in steps (5) and (6) includes a tag number of a destination terminal, and in step (6), the user terminal first obtains the tag number of the destination terminal from the broadcast signaling, then determines whether the user terminal is the destination terminal according to the tag number, and if the user terminal is not the destination terminal, obtains the collaboration information from the broadcast signaling.
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