CN101466154B - Individual calling method, network node and mobile station of cluster system - Google Patents
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- CN101466154B CN101466154B CN2009100765924A CN200910076592A CN101466154B CN 101466154 B CN101466154 B CN 101466154B CN 2009100765924 A CN2009100765924 A CN 2009100765924A CN 200910076592 A CN200910076592 A CN 200910076592A CN 101466154 B CN101466154 B CN 101466154B
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Abstract
The invention discloses an individual calling method in the group system, which is aimed to solve the problem that the resource utilization rate is not high when a network node fault happens in prior CDMA group communication system; and the technical proposal adopted is as following: when receiving an individual calling request from mobile station, the current network node confirms a link fault between the current network node and the upper network node, allocates wireless signal channels for the mobile station, and launches the calling for the called mobile station in all the subdistricts under the current network node; after calling the called mobile station, wireless signal channels are allocated for the called mobile station and a calling authorization message is sent to the mobile station, and communication condition is connected between the mobile station and the called mobile station. The invention also discloses a network node and a mobile station used in the method. The method can still support the individual calling service when a basic station controller or the network side is in fault, and can supply the better service for the users through maximum utilization of the resource in the CDMA group dispatching system.
Description
Technical field
The present invention relates to individual calling method, network node and travelling carriage in a kind of code division multiple access (CDMA, Code Division Multiple Access) mode cluster system.
Background technology
It is numerous user's services that trunking communication is to use a plurality of wireless channels, working method with the telephone trunk line applies in the radio communications system exactly, limited dynamics of channels ground, distribute to all users of whole system automatically, promptly and best, so that utilize the frequency resource of the channel of whole system to the full extent.Its utilization switching technology and computer technology is for whole users of system provide very strong packet capability.Trunking communication has been widely used in the place that public security, fire-fighting, athletic meeting and other large-scale activity tissues etc. need colony dispatching.Along with further developing of technology, the application of CDMA trunking communicating technology is more and more, the CDMA trunked communication system is that CDMA technology and special-purpose Trunked Radio System are combined, adopt half-duplex communication mode to realize continuing fast, both support the group-calling service of one-to-many, also supported man-to-man individual calling business.For man-to-man individual calling business, mainly may further comprise the steps:
1, rises and exhale travelling carriage (MS, Mobile Station) to initiate the cluster individual calling to call out, carry mobile subscriber number (MDN, the Mobile Directory Number) information of called mobile station in the call message;
2, base station (BST, Base Station Transceiver) receives after the call message, sends network side to by base station controller (BSC, Base Station Controller) and handles;
3, network side judges that current calling is that individual calling is called out, and has been to exhale the travelling carriage Resources allocation by the call request message requests base station controller, sets up the on-air radio link;
4, base station controller has been to exhale resources such as travelling carriage assignment selector, and the informing base station contracture joins Radio Resource and set up channel, has notified by channel assignment message then and has exhaled travelling carriage to switch in the Traffic Channel;
5, meanwhile, network side inserts called mobile station by the call request message requests base station controller, and message is carried international mobile subscriber identity (IMSI, the International MobileSubscriber Identity) information of called mobile station;
6, base station controller sends beep-page message to called mobile station by the base station on paging channel, carries the IMSI of called mobile station in the message, and whether comparison IMSI mated after called mobile station was received beep-page message, returned page-response message during coupling;
7, after page-response message is received in base station controller and base station, set up Radio Resource, and switch in the Traffic Channel by channel assignment message notice called mobile station in the sub-district at called mobile station place;
8, so far the equal successful switch of calling and called travelling carriage is in Traffic Channel, and the individual calling call setup is successful.
Present CDMA Trunked Radio System, need base station, base station controller and network side to carry out simultaneously alternately, therefore the link between base station and base station controller or the transmission link of base station controller and network side break down in emergency circumstances, can not finish the support of cluster individual calling business.At some promptly or in particular cases, if when operator does not dispose transmission link, then can not provide cluster individual calling business equally.This has caused the wasting of resources undoubtedly, in the individual calling business, when base station controller or network side fault, can not carry out, when for example called subscriber and calling subscriber are positioned at a signal of base station overlay area, perhaps, main, when the called subscriber is positioned at a base station coverage area under the base station controller, be main, the called calling channel of setting up is possible, conversation zone when considering the Trunked Radio System individual calling is features of smaller relatively, and is main, the possibility that the called subscriber is positioned at same base station or same base station controller is very big, therefore, be necessary for the individual calling user another kind of access way is set, to make full use of current resource.But present CDMA Trunked Radio System is not supported user's individual calling business when base station controller or network side fault.
Summary of the invention
In view of this, main purpose of the present invention is to provide individual calling method, network node and the travelling carriage in a kind of group system, still to support the individual calling business when base station controller or the network side fault.
For achieving the above object, technical scheme of the present invention is achieved in that
Individual calling method in a kind of group system comprises:
When receiving the request of travelling carriage individual calling, current network node is determined and upper level network node link failure, be described travelling carriage configuration wireless channel, and the paging to called mobile station is initiated in all sub-districts under described current network node; And
Paging is described called mobile station configuration wireless channel after described called mobile station, and sends the right of speech authorization messages to described travelling carriage, enters talking state between described travelling carriage and the described called mobile station.
Further, initiate paging, be specially called mobile station:
According to the identification information of the described called mobile station of described individual calling acquisition request, the identification information of described called mobile station is inserted in the cluster broadcast, and broadcast all sub-districts under described current network node.
Further, described method also comprises:
After travelling carriage receives the cluster broadcast, parse the identification information of described called mobile station, compare, return page-response message to described current network node when identical, the described called mobile station success of paging with the identification information of self.
Further, described method also comprises:
When the described called mobile station of paging was failed, described current network node was returned access failure message to the travelling carriage of individual calling request, and discharged the wireless channel that has disposed.
Further, described current network node comprises base station, base station controller.
Further, described identification information comprises mobile subscriber number information, temporary mobile subscriber identity information.
A kind of network node that is used for aforementioned individual calling method comprises:
The first wireless channel dispensing unit is used for when current network node and upper level network node link failure, is described travelling carriage configuration wireless channel according to the individual calling request of travelling carriage, triggers paging unit;
Paging unit is used for all sub-districts under described current network node and initiates paging to called mobile station; And
The second wireless channel dispensing unit is used for being described called mobile station configuration wireless channel in paging after described called mobile station, and sends the right of speech authorization messages to described travelling carriage, makes between described travelling carriage and the described called mobile station and enters talking state.
Further, described paging unit is initiated the paging to called mobile station, is specially:
According to the identification information of the described called mobile station of described individual calling acquisition request, the identification information of described called mobile station is inserted in the cluster broadcast, and broadcast all sub-districts under described current network node.
A kind of travelling carriage that is used for aforementioned individual calling method comprises:
Resolution unit is used for the cluster broadcast that receives is resolved, and obtains the identification information of the called mobile station in the described cluster broadcast;
Comparing unit is used for the identification information of described called mobile station and the identification information of self are compared, and triggers the page-response message transmitting element when identical; And
The page-response message transmitting element is used for returning page-response message to network node.
Further, described identification information comprises mobile subscriber number information, temporary mobile subscriber identity information.
Among the present invention, when receiving the service request of individual calling travelling carriage, determine that link failure appears in base station to base station controller or base station controller to network side, the base station still is individual calling travelling carriage configuration wireless channel, and extracts the identification information of the called mobile station in the service request, initiates the paging to called mobile station, after the success of paging called mobile station, be called mobile station configuration wireless channel, and send the right of speech authorization messages, make between the calling and called travelling carriage and enter talking state to described travelling carriage.The present invention still supports the individual calling business when base station controller or network side fault, with the resource in the maximum using CDMA Trunked Radio System, for the user provides better business service.
Description of drawings
Fig. 1 is the schematic flow sheet of the individual calling method in the group system of the embodiment of the invention;
Fig. 2 is the composition structural representation of the network node that is used for Fig. 1 individual calling method of the embodiment of the invention;
Fig. 3 is the composition structural representation of the travelling carriage that is used for Fig. 1 individual calling method of the embodiment of the invention.
Embodiment
Basic thought of the present invention is: determine that link failure appears in base station to base station controller or base station controller to network side when receiving the service request of individual calling travelling carriage, the base station still is individual calling travelling carriage configuration wireless channel, and the identification information of the called mobile station in the extraction service request, initiation is to the paging of called mobile station, after the success of paging called mobile station, be called mobile station configuration wireless channel, and, make between the calling and called travelling carriage and enter talking state to described travelling carriage transmission right of speech authorization messages.The present invention still supports the individual calling business when base station controller or network side fault, with the resource in the maximum using CDMA Trunked Radio System, for the user provides better business service.
For making the purpose, technical solutions and advantages of the present invention clearer, by the following examples and with reference to accompanying drawing, the present invention is described in more detail.
Fig. 1 is the schematic flow sheet of the individual calling method in the group system of the embodiment of the invention, and as shown in Figure 1, the individual calling method in the group system of the embodiment of the invention comprises:
Step 101: when receiving the request of travelling carriage individual calling, current network node is determined and upper level network node link failure, be described travelling carriage configuration wireless channel, and the paging to called mobile station is initiated in all sub-districts under described current network node.
Here, current network node is meant base station or base station controller.The request of caller Mobile Origination individual calling, after the base station receives the individual calling request of caller travelling carriage, or after base station controller receives the individual calling request of transmitting the base station, the base station determine and base station controller between link failure, perhaps, base station controller determine and network side between link failure, at this moment, the base station still has been to exhale travelling carriage to set up Radio Resource, in the sub-district at caller travelling carriage place is the travelling carriage distributing radio resource, comprise Channel Elements, resources such as Walsh sign indicating number, be allocated successfully the back from the forward direction common signal channel to travelling carriage transmitting channel assignment message, carry relevant wireless resource information in the message and rise and to exhale the IMSI of travelling carriage.Perhaps the base station controller informing base station is a caller travelling carriage configuration service channel.
For the link normal condition between base station and the base station controller and between base station controller and the network side, undertaken by the individual calling mode of existing CDMA Trunked Radio System, repeat no more here.
After the master exhales travelling carriage to receive channel assignment message, at first whether the travelling carriage IMSI in the match channels assignment message is consistent with the IMSI of oneself, if unanimity then dispose and switch in the Traffic Channel rises and exhales travelling carriage to call out to insert successfully, do not process otherwise abandon this message.
Base station or base station controller determine that the mode of link failure includes but not limited to: the base station is Link State between base stations detected and the base station controller periodically, to detect and definite link fault whether; Perhaps, when the base station when base station controller sends message failure, determine link failure between base station and the base station controller.Perhaps, link failure between base station and the base station controller is determined in the base station when waiting for that base station controller message is overtime.Link failure between base station controller and the network side determines that mode is identical with mode between base station and the base station controller, and when between definite base station controller and the network side during link failure, base station controller is notified connected all base stations.Here, link failure comprises that physical fault or link do not dispose.
After base station or base station controller are caller travelling carriage configuration service channel, extract the identification information of the called mobile station in the individual calling request, described identification information is inserted in the broadcast of system, broadcasts in all sub-districts under base station or base station controller control.The identification information here is meant mobile subscriber number (MDN, Mobile Directory Number) information or temporary mobile subscriber identity (TMSI, Temporary Mobile Subscriber Identity) information, owing to can only from call message, obtain the MDN or the TMSI of called mobile station, and can't obtain the IMSI of called mobile station, therefore can't do Hash operation according to IMSI, determine the Paging Channel Slot of sub-district, carrier frequency and the monitoring of called mobile station current lock, therefore can not send beep-page message from the forward direction paging channel.The present invention does not use the general page messages (GPM of IMSI as address of paging, General Paging Message) carries out the paging of called mobile station, but carry out paging as address of paging with the MDN or the TMSI of travelling carriage, by the cluster broadcast called mobile station is carried out paging.Base station or certain all send the cluster broadcast of not carrying wireless resource information in each base station that base station controller is controlled called mobile station are carried out paging on its all sub-districts, the address of paging of broadcast is the MDN or the TMSI of called mobile station.
Step 102: paging for described called mobile station configuration wireless channel, enters talking state between described travelling carriage and the described called mobile station after described called mobile station.
Called mobile station receives the cluster broadcast on the time slot of monitoring, received cluster broadcast is decoded, and obtains the field of the called mobile station identification information of message.With oneself MDN or TMSI and message in the called mobile station MDN or the TMSI that carry compare, if unanimity then return page-response message to the base station, carry oneself MDN or TMSI, IMSI information in the message, inconsistent then this message being abandoned do not done any processing.After base station or base station controller receive the page-response message that called mobile station returns, called mobile station paging success.
The base station receives called mobile station and returns page-response message, and whether the MDN or the TMSI of the called mobile station in MDN that relatively carry in the page-response message decoding back or TMSI information and the call request before be consistent; If it is consistent then explanation is the page response that called mobile station is returned, in the sub-district at called mobile station place is the travelling carriage distributing radio resource, comprise resources such as Channel Elements, Walsh sign indicating number, be allocated successfully the back from the forward direction common signal channel to called mobile station transmitting channel assignment message, called mobile station is inserted, carry relevant wireless resource information in the message, the addressing address of channel assignment message is the IMSI of called mobile station; If inconsistent, then abandon this message and do not deal with.
Whether after called mobile station receives channel assignment message, it is consistent with the IMSI of oneself at first to mate the IMSI that carries in the message; If unanimity then dispose and switch in the Traffic Channel.Base station or base station controller send the right of speech authorization messages for the caller travelling carriage, and the caller travelling carriage obtains right of speech after receiving the right of speech authorization messages, enters talking state.So far, the calling and called travelling carriage all successfully inserts, the success of individual calling call setup, and the calling and called travelling carriage enters into talking state.Abandoning this message if IMSI information does not match does not deal with.
If called mobile station is not in the base station or the sub-district controlled of base station controller, then paging called mobile station can be failed, and base station or base station controller will return access failure message to the caller travelling carriage, and discharge the wireless channel that has disposed.
Fig. 2 is the composition structural representation of the network node that is used for Fig. 1 individual calling method of the embodiment of the invention, as shown in Figure 2, the network node that is used for aforementioned individual calling method of the embodiment of the invention comprises the first wireless channel dispensing unit 20, paging unit 21 and the second wireless channel dispensing unit 22, wherein, the first wireless channel dispensing unit 20 is used for when current network node and upper level network node link failure, individual calling request according to travelling carriage is described travelling carriage configuration wireless channel, and triggers paging unit 21.Current network node in the embodiment of the invention is meant base station or base station controller, about the definite mode of fault, referring to the associated description in the step 101 in the aforementioned individual calling method.The first wireless channel dispensing unit 20 mainly is to be used for the caller travelling carriage is carried out traffic channel configuration, and concrete configuration mode is still referring to the associated description in the step 101 in the aforementioned individual calling method.Paging unit 21 is used for all sub-districts under described current network node and initiates paging to called mobile station.The paging here is meant by the broadcast of group system to be undertaken: after base station or base station controller are caller travelling carriage configuration service channel, extract the identification information of the called mobile station in the individual calling request, described identification information is inserted in the broadcast of system, broadcasts in all sub-districts under base station or base station controller control.The identification information here is MDN information or TMSI information etc.It is described called mobile station configuration wireless channel after described called mobile station that the second wireless channel dispensing unit 22 is used in paging, makes between described travelling carriage and the described called mobile station and enters talking state.The second wireless channel dispensing unit 22 mainly is to be used for called mobile station is carried out traffic channel configuration, and concrete configuration mode is referring to the associated description in the step 102 in the aforementioned individual calling method.
Those skilled in the art are to be understood that, the network node of the embodiment of the invention designs for realizing aforementioned individual calling method, the realization function of above-mentioned each processing unit can be understood with reference to the associated description in the method shown in Figure 1, the function of above-mentioned each unit can realize by the software that runs on the processor, also can realize by concrete logical circuit.
Fig. 3 is the composition structural representation of the travelling carriage that is used for Fig. 1 individual calling method of the embodiment of the invention, as shown in Figure 3, the travelling carriage that is used for aforementioned individual calling method of the embodiment of the invention comprises resolution unit 30, comparing unit 31 and page-response message transmitting element 32, wherein, resolution unit 30 is used for the cluster broadcast that receives is resolved, and obtains the identification information of the called mobile station in the described cluster broadcast.When called mobile station receives the cluster broadcast on the time slot of monitoring, received cluster broadcast is decoded, obtain the field of the called mobile station identification information of message.The identification information here is MDN information or TMSI information etc.Comparing unit 31 is used for the identification information of described called mobile station and the identification information of self are compared, and triggers the page-response message transmitting element when identical.Comparing unit 31 compares called mobile station MDN or the TMSI that carries in the MDN of called mobile station or TMSI and the message, if unanimity then trigger page-response message transmitting element 32 and return page-response message to the base station, inconsistent then this message being abandoned do not done any processing.Page-response message transmitting element 32 is used for returning page-response message to network node.Carry MDN or TMSI, the IMSI information etc. of called mobile station in the message.
Those skilled in the art are to be understood that, the travelling carriage of the embodiment of the invention designs for realizing aforementioned individual calling method, the realization function of above-mentioned each processing unit can be understood with reference to the associated description in the method shown in Figure 1, the function of above-mentioned each unit can realize by the software that runs on the processor, also can realize by concrete logical circuit.
The present invention still supports the individual calling business when base station controller or network side fault, with the resource in the maximum using CDMA Trunked Radio System, for the user provides better business service.
The above is preferred embodiment of the present invention only, is not to be used to limit protection scope of the present invention.
Claims (6)
1. the individual calling method in the group system is characterized in that, comprising:
When receiving the request of travelling carriage individual calling, current network node is determined and upper level network node link failure, is described travelling carriage configuration wireless channel; According to the identification information of described individual calling acquisition request called mobile station, the identification information of described called mobile station is inserted in the cluster broadcast, and broadcast all sub-districts under described current network node; Described identification information comprises mobile subscriber number information, temporary mobile subscriber identity information; Wherein, current network node can't obtain the international mobile subscriber identity IMSI of described called mobile station, can't do Hash operation according to the IMSI of described called mobile station;
Paging is described called mobile station configuration wireless channel after described called mobile station, and sends the right of speech authorization messages to described travelling carriage, enters talking state between described travelling carriage and the described called mobile station.
2. method according to claim 1 is characterized in that, described method also comprises:
After travelling carriage receives the cluster broadcast, parse the identification information of described called mobile station, compare, return page-response message to described current network node when identical, the described called mobile station success of paging with the identification information of self.
3. method according to claim 1 is characterized in that, described method also comprises:
When the described called mobile station of paging was failed, described current network node was returned access failure message to the travelling carriage of individual calling request, and discharged the wireless channel that has disposed.
4. according to each described method of claim 1 to 3, it is characterized in that described current network node comprises base station, base station controller.
5. a network node that is used for claim 1 method is characterized in that, comprising:
The first wireless channel dispensing unit is used for when current network node and upper level network node link failure, is described travelling carriage configuration wireless channel according to the individual calling request of travelling carriage, triggers paging unit; Wherein, current network node can't obtain the international mobile subscriber identity IMSI of called mobile station, can't do Hash operation according to the IMSI of described called mobile station;
Paging unit is used for the identification information according to the described called mobile station of described individual calling acquisition request, the identification information of described called mobile station is inserted in the cluster broadcast, and broadcasts all sub-districts under described current network node; Wherein, described identification information comprises mobile subscriber number information, temporary mobile subscriber identity information; And
The second wireless channel dispensing unit is used for being described called mobile station configuration wireless channel in paging after described called mobile station, and sends the right of speech authorization messages to described travelling carriage, makes between described travelling carriage and the described called mobile station and enters talking state.
6. a travelling carriage that is used for claim 1 method is characterized in that, comprising:
Resolution unit is used for the cluster broadcast that receives is resolved, and obtains the identification information of the called mobile station in the described cluster broadcast; Wherein, described identification information comprises mobile subscriber number information, temporary mobile subscriber identity information;
Comparing unit is used for the identification information of described called mobile station and the identification information of self are compared, and triggers the page-response message transmitting element when identical; And
The page-response message transmitting element is used for returning page-response message to network node.
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| CN2009100765924A CN101466154B (en) | 2009-01-09 | 2009-01-09 | Individual calling method, network node and mobile station of cluster system |
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| CN102469416B (en) * | 2010-11-12 | 2016-03-23 | 北京信威通信技术股份有限公司 | Speaking right application method in a kind of trunking communication |
| CN105704746A (en) * | 2014-11-25 | 2016-06-22 | 中兴通讯股份有限公司 | Broadband cluster system fault processing method and device |
| CN107635285A (en) * | 2016-07-12 | 2018-01-26 | 北京信威通信技术股份有限公司 | A kind of method and device for establishing call |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1909689A (en) * | 2005-08-04 | 2007-02-07 | 中兴通讯股份有限公司 | Method for realizing single-calling in colony system |
| CN101137118A (en) * | 2007-01-15 | 2008-03-05 | 中兴通讯股份有限公司 | Individual calling cluster service supporting method |
| EP1926333A1 (en) * | 2005-08-18 | 2008-05-28 | ZTE Corporation | A roaming implemented method for digital trunk communication system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1909689A (en) * | 2005-08-04 | 2007-02-07 | 中兴通讯股份有限公司 | Method for realizing single-calling in colony system |
| EP1926333A1 (en) * | 2005-08-18 | 2008-05-28 | ZTE Corporation | A roaming implemented method for digital trunk communication system |
| CN101137118A (en) * | 2007-01-15 | 2008-03-05 | 中兴通讯股份有限公司 | Individual calling cluster service supporting method |
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