CN104320757A - A paging method based on geographic position in cluster wireless communication system - Google Patents
A paging method based on geographic position in cluster wireless communication system Download PDFInfo
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- CN104320757A CN104320757A CN201410368478.XA CN201410368478A CN104320757A CN 104320757 A CN104320757 A CN 104320757A CN 201410368478 A CN201410368478 A CN 201410368478A CN 104320757 A CN104320757 A CN 104320757A
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- 238000004891 communication Methods 0.000 title claims abstract description 21
- 230000011664 signaling Effects 0.000 claims description 48
- 230000008521 reorganization Effects 0.000 description 10
- 238000010295 mobile communication Methods 0.000 description 3
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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
- H04W4/02—Services making use of location information
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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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Abstract
The present invention discloses a paging method based on a geographic position in a cluster wireless communication system. The method includes the following steps: a dispatching terminal designates a calling region and determines a group number of a mobile terminal which needs to be called in the calling region, then sends a region calling instruction to an interchanger; the interchanger searches for a base station in the calling region through a geographic position server, and sends the region calling instruction to the base station; the base station sends a region calling channel distributing signal to the mobile terminal; the mobile terminal determines whether it is in the group and the region, and responds the channel distributing signal and transfers to a channel assigned by the channel distributing signal to establish a call with the dispatching terminal if the condition is met. The present invention shortens paging establishing time, and the paging establishing time is not affected by the number of the mobile terminals which need to be called.
Description
Technical field
The present invention relates to mobile communication technology field, particularly relate to a kind of method based on geographical position paging in wireless trunking communication system.
Background technology
Wireless trunking communication system is the professional mobile communication system that a kind of wireless channel is shared, and its addressing object is the number preset based on terminal.Such as can write personal number and several sets of numbers, personal number is that sets of numbers is for 1 many-to-many communication for 1 to 1 communication.Specialty mobile communication system is mainly used in command scheduling, and adopted is group calling more, and namely 1 to many modes.General sets of numbers can be arranged by administrative organization, and such command scheduling is also undertaken by administrative organization.
In some cases, such as original incoherent tissue joint action, need carry out unified command scheduling to the individual of 2 or more or group, and these people or group are not programmed the common sets of numbers of setting in advance.Temporarily conventional method is numbered these people or group, and carry out command scheduling by a sets of numbers to these mobile terminals to facilitate, this is called " dynamic reorganization ".Dynamic reorganization is undertaken by aerial signaling, carries out without the need to reclaiming mobile terminal, but need individually send restructuring signaling to multiple restructuring object, when object of recombinating is many, time-consuming more.
Wireless trunking communication system defines " generally calling number ", in case of emergency, and can by all mobile terminal callings out to the calling of this number.In fact this can be understood as is a kind of calling based on geographical position, and just geographical position range is wireless trunking communication system full coverage areas.Wireless trunking communication system also defines " base station is generally called " in addition, in fact also can be understood as is a kind of calling based on geographical position interior, geographical position range is the overlay area of single base station, and this can take all mobile terminals in a base station.
Calling based on more accurate geographical position has strong user's request, and such as dispatcher wishes to call out any groups of mobile subscribers within the scope of specific region.Realize the demand, current implementation is, the mobile terminal timing of configuration positioner (Big Dipper/GPS) reports the geographical location information of mobile terminal, by dispatching desk, these mobile terminals in a certain region are carried out dynamic reorganization again, by completing the calling based on geographic location area to dynamic reorganization number call, whole process is comparatively time-consuming.
China Patent Publication No. CN103139714, publication date on June 5th, 2013, the name of invention is called the method for dynamic reorganization in group system, system and switch, this application case discloses the method for dynamic reorganization in a kind of group system, the method comprises: switch will start when receiving group's CAMEL-Subscription-Information and the unclosed dashpot timer of timing resets, and described group CAMEL-Subscription-Information comprises group identification and belongs to the terminal iidentification of group; After dashpot timer timing terminates, switch, according to terminal iidentification, obtains all groups CAMEL-Subscription-Information corresponding with each terminal iidentification; The all groups CAMEL-Subscription-Information corresponding with each terminal iidentification that switch will obtain, sends to the terminal corresponding with each terminal iidentification, respectively to realize dynamic reorganization.Its weak point is, dynamic reorganization need individually send restructuring signaling to multiple restructuring object, when object of recombinating is many, time-consuming more.
Summary of the invention
The object of the invention is to overcome in existing wireless trunking communication system and first dynamic reorganization is carried out to the mobile terminal in calling area based on the method for geographical position paging, by completing the calling based on geographic location area to dynamic reorganization number call, when object of recombinating is many, time-consuming more technical problem, provide a kind of method based on geographical position paging in wireless trunking communication system, which shorten paging settling time, and paging does not affect settling time by the quantity of the mobile terminal that need call out.
In order to solve the problem, the present invention is achieved by the following technical solutions:
Based on the method for geographical position paging in a kind of wireless trunking communication system of the present invention, described wireless trunking communication system comprises dispatch terminal, switch, location server, base station and mobile terminal, comprises the following steps:
S1: dispatch terminal delimited calling area and determined to need in this calling area the group number of the mobile terminal called out, and then the geographical position range information of calling area, area call gateway identifier, mobile terminal group number and area call instruction be sent to switch;
S2: switch is positioned at all base stations of this geographical position range to location server inquiry, and the geographical position range information of calling area, area call gateway identifier, mobile terminal group number and area call instruction are sent to all base stations being positioned at calling area;
S3: base station reading area call instruction, transmitting channel assignment signalling gives all mobile terminals in this base station coverage area, the geographical position range information containing calling area in channel allocation signaling, area call gateway identifier and mobile terminal group number;
S4: mobile terminal receive channel assignment signalling, judge that whether the area call gateway identifier comprised in channel allocation signaling is consistent with the area call gateway identifier that self stores, if it is perform step S5, otherwise mobile terminal does not respond this channel allocation signaling;
S5: mobile terminal judge channel allocation signaling with mobile terminal group number in whether have self group number, if it is perform step S6, otherwise mobile terminal does not respond this channel allocation signaling;
S6: mobile terminal obtains the geographical location information of self by satellite positioning module, and judge that the geographical position of self is whether in the calling area that dispatch terminal delimited, if it is mobile terminal responds this channel allocation signaling, and forward channel that channel allocation signaling specifies and dispatch terminal to and set up and converse, otherwise mobile terminal does not respond this channel allocation signaling.
In the technical program, dispatch terminal use map tool operation, delimit calling area, to a certain group of mobile terminal in this calling area or all mobile terminals carry out circle selective call.Switch after receiving the information that dispatch terminal sends, all base stations in location server query call region, and information is forwarded to these base stations.All base stations in calling area send corresponding channel allocation signaling, ensure that the mobile terminal in calling area can receive this channel allocation signaling.
After mobile terminal receives channel allocation signaling, first judge that whether area call gateway identifier in channel allocation signaling is correct, if correctly, then judge that whether group number in channel allocation signaling is self group number.If the group number of self, then mobile terminal judges that the geographical position of self is whether in the calling area that dispatch terminal delimited, if it is mobile terminal determines it self is the user that dispatch terminal is called out, and mobile terminal forwards the channel that channel allocation signaling is specified to, sets up converse with dispatch terminal.
Whether each mobile terminal automatic decision after receiving channel allocation signaling is the user of dispatch terminal calling, sets up converse if just forward corresponding channel and dispatch terminal to.In a paging, each mobile terminal and dispatch terminal are set up to converse and are carried out simultaneously, therefore, no matter in calling area, called mobile terminal quantity is how many, and dispatch terminal and all called mobile terminals all set up the time of call and to set up the time of conversing with a mobile terminal be the same.When dispatch terminal carries out paging to the multiple mobile terminals in calling area, this method shortens paging settling time.
As preferably, described location server stores the geographical location information of all base stations.Be convenient to switch and search all base station informations being positioned at calling area.
As preferably, the geographical position range information of described calling area comprises central point information and the radius information of calling area, and the central point information of calling area comprises longitude and the latitude value of central point.
As preferably, in described step S6, mobile terminal judges that the method for geographical position whether in the calling area that dispatch terminal delimited of self comprises the following steps: mobile terminal is according to the longitude of self, the longitude of latitude value and calling area central point, latitude value calculates the distance D between mobile terminal and calling area central point, if distance D is less than or equal to calling area radius, then mobile terminal judges that the geographical position of self is in the calling area that dispatch terminal delimited, if distance D is greater than calling area radius, then mobile terminal judges that the geographical position of self is not in the calling area that dispatch terminal delimited.
Substantial effect of the present invention is: dispatch terminal need not send independent signaling respectively to multiple mobile terminal that need call out, and shortens paging settling time, and paging does not affect by the quantity of the mobile terminal that need call out settling time.
Accompanying drawing explanation
Fig. 1 is a kind of flow chart of the present invention.
Embodiment
Below by embodiment, and by reference to the accompanying drawings, technical scheme of the present invention is described in further detail.
Embodiment: based on the method for geographical position paging in a kind of wireless trunking communication system of the present embodiment, wireless trunking communication system comprises dispatch terminal, switch, location server, base station and mobile terminal, as shown in Figure 1, comprises the following steps:
S1: dispatch terminal delimited calling area and determined to need in this calling area the group number of the mobile terminal called out, and then the geographical position range information of calling area, area call gateway identifier, mobile terminal group number and area call instruction be sent to switch;
S2: switch is positioned at all base stations of this geographical position range to location server inquiry, and the geographical position range information of calling area, area call gateway identifier, mobile terminal group number and area call instruction are sent to all base stations being positioned at calling area;
S3: base station reading area call instruction, transmitting channel assignment signalling gives all mobile terminals in this base station coverage area, the geographical position range information containing calling area in channel allocation signaling, area call gateway identifier and mobile terminal group number;
S4: mobile terminal receive channel assignment signalling, judge that whether the area call gateway identifier comprised in channel allocation signaling is consistent with the area call gateway identifier that self stores, if it is perform step S5, otherwise mobile terminal does not respond this channel allocation signaling;
S5: mobile terminal judge channel allocation signaling with mobile terminal group number in whether have self group number, if it is perform step S6, otherwise mobile terminal does not respond this channel allocation signaling;
S6: mobile terminal obtains the geographical location information of self by satellite positioning module, and judge that the geographical position of self is whether in the calling area that dispatch terminal delimited, if it is mobile terminal responds this channel allocation signaling, and forward channel that channel allocation signaling specifies and dispatch terminal to and set up and converse, otherwise mobile terminal does not respond this channel allocation signaling.
Satellite positioning module is Big Dipper module or GPS module.Location server stores the geographical location information of all base stations, is convenient to switch query.
When the calling area that dispatch terminal delimited is circular, the geographical position range information of the calling area that dispatch terminal sends comprises central point information and the radius information of calling area, and the central point information of calling area comprises longitude and the latitude value of central point.In step S6, mobile terminal judges that the method for geographical position whether in the calling area that dispatch terminal delimited of self comprises the following steps: mobile terminal is according to the longitude of self, the longitude of latitude value and calling area central point, latitude value calculates the distance D between mobile terminal and calling area central point, if distance D is less than or equal to calling area radius, then mobile terminal judges that the geographical position of self is in the calling area that dispatch terminal delimited, if distance D is greater than calling area radius, then mobile terminal judges that the geographical position of self is not in the calling area that dispatch terminal delimited.
The calling area of delimiting when dispatch terminal is that square (square two limits are up and down parallel with parallel, limit, two, square left and right with through line parallel) time, the geographical position range information of the calling area that dispatch terminal sends comprises the central point information of calling area and half of long message, and the central point information of calling area comprises longitude and the latitude value of central point.In step S6, mobile terminal judges that the method for geographical position whether in the calling area that dispatch terminal delimited of self comprises the following steps: mobile terminal calculates the scope of calling area according to the longitude of calling area central point, latitude value and half of long message, and mobile terminal judges whether self longitude, latitude value are positioned at the scope of calling area.
Dispatch terminal use map tool operation, delimit calling area, to a certain group of mobile terminal in this calling area or all mobile terminals carry out circle selective call.Switch after receiving the information that dispatch terminal sends, all base stations in location server query call region, and information is forwarded to these base stations.All base stations in calling area send corresponding channel allocation signaling to all mobile terminals in own coverage area, ensure that the mobile terminal in calling area can receive this channel allocation signaling.
After mobile terminal receives channel allocation signaling, first judge that whether area call gateway identifier in channel allocation signaling is correct, if correctly, then judge that whether group number in channel allocation signaling is self group number.If the group number of self, then mobile terminal judges that the geographical position of self is whether in the calling area that dispatch terminal delimited, if it is mobile terminal determines it self is the user that dispatch terminal is called out, and mobile terminal forwards the channel that channel allocation signaling is specified to, sets up converse with dispatch terminal.
Whether each mobile terminal automatic decision after receiving channel allocation signaling is the user of dispatch terminal calling, sets up converse if just forward corresponding channel and dispatch terminal to.In a paging, each mobile terminal and dispatch terminal are set up to converse and are carried out simultaneously, therefore, no matter in calling area, called mobile terminal quantity is how many, and dispatch terminal and all called mobile terminals all set up the time of call and to set up the time of conversing with a mobile terminal be the same.When dispatch terminal carries out paging to the multiple mobile terminals in calling area, this method shortens paging settling time.
Claims (4)
1. in wireless trunking communication system based on a method for geographical position paging, described wireless trunking communication system comprises dispatch terminal, switch, location server, base station and mobile terminal, it is characterized in that, comprises the following steps:
S1: dispatch terminal delimited calling area and determined to need in this calling area the group number of the mobile terminal called out, and then the geographical position range information of calling area, area call gateway identifier, mobile terminal group number and area call instruction be sent to switch;
S2: switch is positioned at all base stations of this geographical position range to location server inquiry, and the geographical position range information of calling area, area call gateway identifier, mobile terminal group number and area call instruction are sent to all base stations being positioned at calling area;
S3: base station reading area call instruction, transmitting channel assignment signalling gives all mobile terminals in this base station coverage area, the geographical position range information containing calling area in channel allocation signaling, area call gateway identifier and mobile terminal group number;
S4: mobile terminal receive channel assignment signalling, judge that whether the area call gateway identifier comprised in channel allocation signaling is consistent with the area call gateway identifier that self stores, if it is perform step S5, otherwise mobile terminal does not respond this channel allocation signaling;
S5: mobile terminal judge channel allocation signaling with mobile terminal group number in whether have self group number, if it is perform step S6, otherwise mobile terminal does not respond this channel allocation signaling;
S6: mobile terminal obtains the geographical location information of self by satellite positioning module, and judge that the geographical position of self is whether in the calling area that dispatch terminal delimited, if it is mobile terminal responds this channel allocation signaling, and forward channel that channel allocation signaling specifies and dispatch terminal to and set up and converse, otherwise mobile terminal does not respond this channel allocation signaling.
2. in a kind of wireless trunking communication system according to claim 1 based on the method for geographical position paging, it is characterized in that: described location server stores the geographical location information of all base stations.
3. in a kind of wireless trunking communication system according to claim 1 and 2 based on the method for geographical position paging, it is characterized in that: the geographical position range information of described calling area comprises central point information and the radius information of calling area, and the central point information of calling area comprises longitude and the latitude value of central point.
4. in a kind of wireless trunking communication system according to claim 3 based on the method for geographical position paging, it is characterized in that, in described step S6, mobile terminal judges that the method for geographical position whether in the calling area that dispatch terminal delimited of self comprises the following steps: mobile terminal is according to the longitude of self, the longitude of latitude value and calling area central point, latitude value calculates the distance D between mobile terminal and calling area central point, if distance D is less than or equal to calling area radius, then mobile terminal judges that the geographical position of self is in the calling area that dispatch terminal delimited, if distance D is greater than calling area radius, then mobile terminal judges that the geographical position of self is not in the calling area that dispatch terminal delimited.
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| CN107040900A (en) * | 2017-05-17 | 2017-08-11 | 哈尔滨海能达科技有限公司 | Trunked communication system and its user terminal, the method for dynamic group calling |
| CN110913343A (en) * | 2019-12-18 | 2020-03-24 | 哈尔滨海能达科技有限公司 | Method, cluster system, communication equipment and storage medium based on position group calling |
| WO2021077600A1 (en) * | 2019-10-23 | 2021-04-29 | 广州爱浦路网络技术有限公司 | Terminal paging optimization method based on satellite network |
| WO2021120162A1 (en) * | 2019-12-20 | 2021-06-24 | 哈尔滨海能达科技有限公司 | Location-based automatic reorganization method and apparatus, and terminal and storage medium |
| CN113891237A (en) * | 2020-07-02 | 2022-01-04 | 哈尔滨海能达科技有限公司 | Dynamic group calling method for central mobile, cluster system, communication equipment and storage medium |
| WO2022247315A1 (en) * | 2021-05-27 | 2022-12-01 | 之江实验室 | Geographic identifier forwarding method and apparatus for region addressing |
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| CN113891237A (en) * | 2020-07-02 | 2022-01-04 | 哈尔滨海能达科技有限公司 | Dynamic group calling method for central mobile, cluster system, communication equipment and storage medium |
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| US11870560B2 (en) | 2021-05-27 | 2024-01-09 | Zhejiang Lab | Geographical identification forwarding method and device for area-oriented addressing |
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Effective date of registration: 20231226 Address after: 621000 No.8 Mintai Road, Youxian District, Mianyang City, Sichuan Province Patentee after: SICHUAN HAIGE HENGTONG PRIVATE NETWORK TECHNOLOGY CO.,LTD. Address before: 310053 5th floor, building 8, high tech software park, No. 1 Weiye Road, Binjiang District, Hangzhou, Zhejiang Province Patentee before: HANGZHOU ACTEC COMMUNICATION TECHNOLOGY CO.,LTD. |