WO2014086197A1

WO2014086197A1 - Control method for group call and equipment thereof

Info

Publication number: WO2014086197A1
Application number: PCT/CN2013/084112
Authority: WO
Inventors: 柏丽梅; 潘成林; 许廷超; 唐鹏程
Original assignee: 中兴通讯股份有限公司
Priority date: 2012-12-04
Filing date: 2013-09-24
Publication date: 2014-06-12
Also published as: CN103856904A; CN103856904B

Abstract

A control method for group call and equipment thereof are provided by the present invention, the method including: a network side device acquiring the distribution condition of group members in the group call; according to the distribution condition, the network side device choosing a call mode corresponding to the distribution condition to perform paging. The application of the technical solution provided by the present invention solves the technical problems of wireless resources waste and so on in the paging solution of group call procedure in related prior art, and therefore provides different paging modes for different distribution conditions of group members, utilizes wireless resources rationally and avoids wireless resources waste.

Description

Cluster call control method and device

TECHNICAL FIELD The present invention relates to the field of communications, and in particular to a method and apparatus for controlling a trunk call. BACKGROUND OF THE INVENTION A trunking communication system is a mobile communication system used for cluster scheduling command communication, and is mainly applied in the field of professional mobile communication. With the continuous development of digital trunking networks, the ever-changing number of users, and the changing user distribution, digital cluster network optimization is an important part of the entire wireless network construction process, and it also ensures that network performance meets user needs. The further goal of digital trunking network optimization is to save as much radio resources as possible. Figure 1 is a network framework diagram of a digital trunking system, including the following logical function modules and subsystems: Cluster terminal The cluster terminal is connected to the cluster system through an air interface to provide users with cluster services, ordinary telephone services, short message services, and data services. Base station subsystem (BSS) is a Base Transceiver System (BTS) and a base station controller (Base Station).

Controller, referred to as BSC). The BSS is connected to the scheduling subsystem and the switching subsystem through standard interfaces. The switching subsystem of the switching subsystem belongs to the core network in the mobile communication system, including the Mobile Switching Center (MSC) and the Home Location Register (HLR), which mainly completes the ordinary telephone call service, and Provide mobile users with services for account opening, cancellation, authentication, and billing. The Dispatching Subsystem (DSS) scheduling subsystem mainly completes the cluster scheduling service, including: PTT Dispatch Server (PDS), Short Message Service (SMS), and Scheduling Dispatch Agent Server (abbreviated as DAS), dispatcher, and PTT Home Register (PHR). The cluster scheduling server PDS implements call control and call rights management for trunk calls. The home register PHR is scheduled to store the registration information and location information of the cluster users and groups, and the functions of authentication, authorization and charging for the cluster users, as well as location update and group management functions are realized. The dispatch proxy server DAS processes the service request sent by the dispatch proxy client. Dispatch Agent Client (DAC), including the dispatching station and management station. The dispatching station is a terminal with special authority, and is used for command and scheduling of groups and users within the jurisdiction. The digital trunking system can use the common scheduling area function, but the general configuration area of the common scheduling area is relatively large, and cannot reflect the actual activity of the group. The paging of the common scheduling area wastes the radio resources of the base station. In the existing digital trunking system, for example, in the digital trunking system shown in FIG. 1, the paging mode on the network side is determined according to the fixed number of group members, or the system provides a fixed scheduling area and a scheduling area. Different paging modes are adopted inside and outside. When the number of group members reaches a fixed threshold of the number of group members, when the group members are scattered or the users keep moving and the range of activities is large, or most users move outside the scheduling area, the fixed paging mode is It will cause a great waste of resources on the wireless side. In view of the above problems in the related art, an effective solution has not yet been proposed. SUMMARY OF THE INVENTION In the related art, a paging problem in a trunking call process has technical problems such as waste of radio resources. The embodiment of the present invention provides a method and a device for controlling a trunk call to solve at least the above problems. According to an embodiment of the present invention, a method for controlling a trunk call is provided, including: the network side device acquires a distribution of group members in a trunk call; and the network side device selects a call mode corresponding to the distribution according to a distribution situation to perform a search. call. Preferably, the network side device acquires the distribution of the group members in the cluster call, and the method includes: the network side device acquires the active area information of each group user; the network side device re-divides the call area according to the active area information, where The network side device pages the group members under the call area; determines the distribution according to the call area. Preferably, the foregoing distribution situation includes: the number of group members under the active area indicated by the active area information; the network side device re-dividing the call area according to the active area information, including: according to the group members under the call area The number selects the call mode. Preferably, the network side device selects a call mode corresponding to the distribution situation to perform paging according to the distribution, and includes: when the number of group members under the call area is greater than the first threshold, paging according to the call area; When the number of group members below is less than the second threshold, paging is performed according to the active area indicated by the active area information. Preferably, after the network side device acquires the activity area information of each group user, the method further includes: storing the acquired activity area information of each group user; and the network side device re-dividing the call area according to the activity area information, including: The network side device re-divides the call area into the group members according to the stored active area information. Preferably, when the network side device acquires the activity area information of the group user, the method further includes: acquiring time information when acquiring the active area. According to another embodiment of the present invention, a cluster call control device is provided, which is located in a network side device, and includes: an obtaining module, configured to acquire a distribution of each group member in a trunk call; and a paging module, configured to According to the distribution situation, the paging mode corresponding to the distribution situation is selected for paging. Preferably, the obtaining module comprises: an obtaining unit, configured to acquire active area information of each group user; and a dividing unit, configured to re-divide the calling area according to the active area information, wherein the network side device is in the calling area The group member performs paging; the determining unit is set to determine the distribution according to the calling area. Preferably, the dividing unit is configured to select a calling mode according to the number of group members under the calling area when the distribution case includes the number of group members under the active area indicated by the active area information. Preferably, the paging module is configured to perform paging according to the calling area when the number of group members under the calling area is greater than a first threshold; and when the number of group members under the calling area is less than a second threshold, Paging is performed according to the active area indicated by the active area information. Preferably, the obtaining module further includes: a storage unit, configured to store the acquired active area information of each group user; the dividing unit is further configured to re-divide the group member according to the stored active area information Call area. According to the embodiment of the present invention, the technical means for selecting a corresponding call mode according to the obtained distribution of the group members is used to solve the paging problem in the cluster call process in the related art, and there are technical problems such as waste of wireless resources, thereby Different group users use different paging modes to reasonably utilize wireless resources and avoid waste of wireless resources. BRIEF DESCRIPTION OF THE DRAWINGS The accompanying drawings, which are set to illustrate,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,, 1 is a schematic diagram of a network architecture of a digital trunking system according to the related art; FIG. 2 is a flowchart of a method for controlling a trunked call according to Embodiment 1 of the present invention; FIG. 3 is a cluster according to Embodiment 1 of the present invention; FIG. 4 is a block diagram showing another structure of a cluster call control apparatus according to Embodiment 1 of the present invention; FIG. 5 is a flowchart of acquiring a group active area according to Embodiment 2 of the present invention; FIG. 7 is a flowchart of a scenario 1 of a paging mode according to Embodiment 2 of the present invention; FIG. 8 is a schematic diagram of a scenario according to Embodiment 2 of the present invention; Schematic diagram of scene 2 of the call mode. BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, the present invention will be described in detail with reference to the accompanying drawings. It should be noted that the embodiments in the present application and the features in the embodiments may be combined with each other without conflict. Considering the related art, the paging scheme in the trunking call process has technical problems such as waste of radio resources, especially for the problem of waste of radio resources caused by the fixed call mode in the existing cluster system, and the following embodiments are provided. The relevant solutions are described in detail. Embodiment 1 FIG. 2 is a flowchart of a method of controlling a trunk call according to Embodiment 1 of the present invention. As shown in FIG. 2, the method includes: Step S202: The network side device acquires a distribution of group members in the trunk call. In step S204, the network side device selects a call mode corresponding to the distribution situation to perform paging according to the foregoing distribution. Through the above processing steps, since the corresponding call mode can be selected for paging according to the distribution of the group members, different paging modes can be adopted for different group user distributions, and the wireless resources can be reasonably utilized. There are several ways to obtain the above-mentioned distribution. For example, the network side device can obtain the active area information of each group user. The network side device re-divides the call area according to the active area information, where the network side The device pages the group members under the call area; determines the distribution according to the call area. In a specific implementation, the foregoing processing may be implemented in the following implementation manners: Step a, collection of user-active areas of the network side: a cell is configured as a location area (Regzone) in the base station, and the user supports location registration across the Regzone, at the base station. In this configuration, the location registration of the terminal across the cell is supported. The base station converts the Regzone of the terminal into an active area and reports it to the network side. By collecting the active area of the user on the network side, it is stored in the system, and is used to intelligently determine the group call mode when the group call occurs. In one embodiment, the wireless network is a Code Division Multiple Access (CDMA) network, and the network side collects network parameters related to the location information, including the location area and the active area of the group member. By location registration (type includes: power on, power off, timed registration, registration based on Rezone), or when the terminal changes its Rezone during the call, the call termination terminal immediately registers with the location, the message carries the user's active area, and saves In the authentication system. The records of the multiple active areas are supported in the authentication system, and the latest N active areas are updated according to the timestamp. Step b, when the call occurs, according to the user activity area information collected by the network side saved in the system, the distribution of the group members is known. In this embodiment, the foregoing distribution situation may include, but is not limited to, the number of group members under the active area indicated by the active area information. Based on this, in step S204, the network side device re-divides the call area according to the active area information, which can be implemented by: selecting a call mode according to the number of group members under the call area. In step S204, when the number of group members under the call area is greater than the first threshold, paging is performed according to the call area; when the number of group members under the call area is less than the second threshold, indicating according to the active area information The active area is paged. The first threshold and the second threshold may be equal or not equal, and may be set according to actual conditions. In this embodiment, in order to avoid the problem that the active area information of all group users is obtained in real time for each paging, resulting in a long paging time and low paging efficiency, the activities of each group user are obtained. After the area information, the active area information may be stored first, and then when the call area is re-divided, the call area is divided according to the stored active area information. In a specific implementation, the foregoing comparison process may be performed as two states of member dispersal and concentration, and specifically, may be expressed in the following form: Instructing the base station to accurately establish a radio resource according to the distribution of the group members. When there are a large number of group members and the group members are more concentrated, the paging mode of the paging is sent according to the entire location area; if the group members are distributed more dispersed, the paging mode of the paging is sent according to the user active area. Further, the following situations are considered: The network side restricts the group active area, or the number of group members is too large (beyond the set threshold), or the call initiated by the group is an emergency call, and the network side intelligently judges the above situation, adopting A group call mode with a faster connection speed, and reasonable use of limited wireless resources. When there is a user roaming situation in the group, the distribution of users in each active area may also be determined according to the active area reported by the group member. Different network sides may adopt different paging modes in the same call. In order to ensure that the acquired activity area information is real-time, and perform related actions according to the time information (for example, determining the time validity of the active area, deleting when the active area information expires, etc.), the network side device acquires the activity of the group user. For regional information, you also need to get the time information when you get the active area. In this embodiment, a cluster call control device is also provided, and the device is located in the network side device, and is used to implement the foregoing embodiments and preferred embodiments. The modules involved are explained. As used hereinafter, the term "module" may implement a combination of software and/or hardware of a predetermined function. Although the apparatus described in the following embodiments is preferably implemented in software, hardware, or a combination of software and hardware, is also possible and conceivable. 3 is a block diagram showing the structure of a control device for a trunk call according to Embodiment 1 of the present invention. As shown in FIG. 3, the apparatus includes an acquisition module 30 connected to the paging module 32, configured to acquire a distribution of each group member in the trunk call, and a paging module 32 configured to correspond to the distribution according to the distribution. The call mode is paged. Through the functions completed by the above modules, different paging modes can also be adopted for different group user distributions, and the wireless resources can be reasonably utilized, thereby avoiding waste of wireless resources. In this embodiment, as shown in FIG. 4, the obtaining module 30 includes: an obtaining unit 302, connected to the dividing unit 304, configured to acquire active area information of each group user; and a dividing unit 304 connected to the determining unit 306. And being configured to re-divide the call area according to the active area information, where the network side device pages the group members under the call area; and the determining unit 306 is configured to determine the distribution according to the call area. In this embodiment, the dividing unit 304 is configured to select a calling mode according to the number of group members under the calling area when the distribution case includes: the number of group members under the active area indicated by the active area information. In this embodiment, the paging module 32 is configured to perform paging according to the calling area when the number of group members under the calling area is greater than the first threshold; and the number of group members under the calling area is smaller than At the second threshold, paging is performed according to the active area indicated by the above active area information. In this embodiment, the acquiring unit 302 is configured to acquire time information when acquiring the active area when acquiring active area information of each group user. In order to further improve the efficiency of the cluster call, as shown in FIG. 4, the obtaining module 30 may further include the following processing unit: the storage unit 308 is connected between the obtaining unit 302 and the dividing unit 304, and is configured to store the acquired groups. The activity area information of the user; at this time, the dividing unit 304 is further configured to re-divide the call area into the group members according to the activity area information stored by the storage unit 308. In order to better understand the above embodiments, the following detailed description will be made in conjunction with the related drawings and embodiment 2. Embodiment 2 This embodiment provides a scheme for collecting a group member by intelligently collecting a group member according to a distribution to save a base station resource according to a distribution situation, in particular, a common active area is not set and a group member is widely distributed or Among the group call pages with a large range of activities, it belongs to the field of digital trunking communication. The solution in this embodiment overcomes the fact that the existing digital trunking system only determines the paging mode according to the fixed number of group members. When the group members exceed a certain threshold and the group members are dispersed or the group activity range is too large, the solution is still A paging message is sent across the entire area. This paging mode occupies radio resources and causes technical defects in wireless resources. In this embodiment, it is considered that when the user roams, the call mode of the digital trunking system can also be determined according to the distribution of the members participating in the call. Each cluster system can use different paging modes in the same call. FIG. 5 is a flowchart of acquiring a group activity area according to Embodiment 2 of the present invention. As shown in FIG. 5, the process includes: Step S502: Acquire an active area information of a user for coverage of a certain base station in a private network or a common network, and the base station configures one cell as a Regzone terminal to support cross-Regzone location registration, so Cross-cell location registration is also supported. The base station converts the Regzone of the terminal into the active area and reports it to the network side; the active area reported by the network side is reported in the form of a list and stored in the authentication system; Step S504, the authentication system searches for the active area of the user according to the user information. Step S506, determining whether there is the same active area record, if yes, go to step S508; otherwise, go to step S510; step S508, if there is already the same active area record, update the timestamp of the record, go to step S512; step S510 If there is no record of the same active area, insert a new record and attach a time stamp to step S512; Step S512, delete the expired data, and keep only the latest N records to ensure that the user is the latest active area; Step S514, determine Is the list of processed active areas completed? If yes, go to step S516, go to step 504. Step S516, ending. FIG. 6 is a flowchart of a paging mode determining method according to Embodiment 2 of the present invention. As shown in FIG. 6, the process includes: Step S602: Acquire user active area information. The process includes the following processing steps: the mobile terminal reports the location registration information to the network side; the network side obtains the active area according to the mapping relationship between the cell and the active area; the authentication system authenticates the location registration information; and records the active area. Step S604, the user initiates a group call; Step S606, the network side performs call authentication on the group call, and sends an authentication message to the authentication system; Step S608, collecting the distribution time of the members in each active area, and determining the paging mode; Step S610: The callback mode is returned in the authentication response message by the number of group members and the distribution of each active area of the group member in the authentication system. Step S612: The network side sends a paging message according to the authentication result. FIG. 7 is a schematic diagram of a scenario 1 of a scenario 1 for selecting a paging mode according to Embodiment 2 of the present invention. In this scenario, groups with group members that are scattered but have a large number of group members are authenticated by the authentication system when a call occurs. The authentication system calculates the total number of group members and the number of group members in each active area according to the previously collected user activity area, and identifies whether it is an emergency call or a group with a large number of group members, and whether the group configures a scheduling area. If none of the above conditions are met, the network side sends a paging call mode according to the authentication result according to the user active area. FIG. 8 is a schematic diagram of a scenario of a scenario 2 of selecting a paging mode according to Embodiment 2 of the present invention. In this scenario, a group with more group members and a larger number of group members is authenticated by the authentication system when a call occurs. The authentication system calculates the total number of group members and the number of group members in each active area according to the previously collected user activity area, and identifies whether it is an emergency call or a group with a large number of group members, and whether the group configures a scheduling area. If none of the above conditions are met, the network side sends a paging call mode according to the entire location area of the group member according to the authentication result. It can be seen from the foregoing embodiment that the foregoing embodiments achieve the following beneficial effects: In the foregoing embodiment, the network side acquires a user activity area, and when the group call occurs, the number of members of each group in each activity area according to the collected group may be Flexible selection of paging mode. In this way, the group's call mode is determined not only by the number of group members, but also by the distribution of the active area of the group members. When the group members are dispersed, the call mode that sends the paging according to the user active area is used to save more wireless resources; when the group members are concentrated, the paging mode for sending the paging according to the entire location area of the group members is used, and the limited use is limited. Wireless resources. In another embodiment, software is also provided for performing the technical solutions described in the above embodiments and preferred embodiments. In another embodiment, a storage medium is provided, the software being stored, including but not limited to: an optical disk, a floppy disk, a hard disk, a rewritable memory, and the like. Obviously, those skilled in the art should understand that the above modules or steps of the present invention can be implemented by a general-purpose computing device, which can be concentrated on a single computing device or distributed over a network composed of multiple computing devices. Alternatively, they may be implemented by program code executable by the computing device, such that they may be stored in the storage device by the computing device and, in some cases, may be different from The steps shown or described are performed sequentially, or they are separately fabricated into individual integrated circuit modules, or a plurality of modules or steps thereof are fabricated into a single integrated circuit module. Thus, the invention is not limited to any specific combination of hardware and software. The above are only the preferred embodiments of the present invention, and are not intended to limit the present invention, and various modifications and changes can be made to the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and scope of the present invention are intended to be included within the scope of the present invention. INDUSTRIAL APPLICABILITY The above technical solution provided by the present invention can be applied to a cluster call control process, and adopts a technical means for selecting a corresponding call mode according to the obtained distribution of group members, and solves the related technology in the cluster call process. The paging scheme has technical problems such as waste of radio resources, so that different paging modes are adopted for different group user distributions, and radio resources are reasonably utilized, thereby avoiding waste of radio resources.

Claims

Claim

1. A method for controlling a trunk call, comprising:

The network side device acquires the distribution of group members in the cluster call;

The network side device selects a call mode corresponding to the distribution situation to perform paging according to the distribution situation.

2. The method according to claim 1, wherein the network side device acquires a distribution of group members in a trunk call, and includes:

The network side device acquires activity area information of each of the group users;

And the network side device re-divides the call area according to the active area information, where the network side device pages the group members under the call area;

The distribution is determined based on the call area.

3. The method according to claim 2, wherein the distribution situation comprises: the number of group members under the active area indicated by the active area information;

Re-dividing the call area by the network side device according to the active area information includes: selecting the call mode according to the number of group members under the call area.

The method according to claim 2, wherein the network side device selects a call mode corresponding to the distribution situation to perform paging according to the distribution, and includes:

When the number of group members under the call area is greater than a first threshold, paging is performed according to the call area;

When the number of group members under the call area is less than the second threshold, paging is performed according to the active area indicated by the active area information.

5. The method according to claim 2, wherein

After the network side device acquires the activity area information of each of the group users, the method further includes: storing the acquired activity area information of each of the group users;

And the network side device re-divides the call area according to the active area information, and the network side device re-divides the call area according to the stored active area information.

The method according to any one of claims 2 to 5, wherein, when the network side device acquires the active area information of the group user, the method further includes:

Obtain time information when acquiring the active area.

A control device for a cluster call, located in a network side device, includes:

The obtaining module is configured to obtain a distribution of each group member in the trunk call; and the paging module is configured to select a call mode corresponding to the distribution according to the distribution to perform paging.

The device according to claim 7, wherein the acquiring module comprises:

An obtaining unit, configured to acquire active area information of each group user, and a dividing unit, configured to re-divide the calling area according to the active area information, where the network side device pairs the call Group members under the area to page;

a determining unit configured to determine the distribution based on the call area.

9. The apparatus according to claim 8, wherein the dividing unit is configured to, when the distribution case includes the number of group members under the active area indicated by the active area information, according to the calling area The number of group members selects the call mode.

10. The apparatus according to claim 8, wherein the paging module is configured to perform paging according to the call area when the number of group members under the call area is greater than a first threshold; When the number of group members under the call area is less than the second threshold, paging is performed according to the active area indicated by the active area information.

11. The device according to claim 8, wherein

The obtaining module further includes: a storage unit, configured to store the acquired active area information of each group user;

The dividing unit is further configured to re-divide the call area into the group members according to the stored active area information.