CN100415015C - Method for processing emergent-calling precedence of packet system after re-configuration - Google Patents
Method for processing emergent-calling precedence of packet system after re-configuration Download PDFInfo
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- CN100415015C CN100415015C CNB2005100831330A CN200510083133A CN100415015C CN 100415015 C CN100415015 C CN 100415015C CN B2005100831330 A CNB2005100831330 A CN B2005100831330A CN 200510083133 A CN200510083133 A CN 200510083133A CN 100415015 C CN100415015 C CN 100415015C
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Abstract
The method comprises: a) saving the priority information of group members in the network side device; after the network side receives the emergency call reset message, it access said network side device to get the priority information about the user initiating the emergency call from the network side device; b) the network side sends the obtained priority information to the user in current group. The network side can also determine the priority used after emergency reset and allocated to the user according to the interaction between the users in the emergency calling state.
Description
Technical field
The present invention relates to the cluster wireless communication technical field, be meant the priority processing method after a kind of group system urgent call is reset especially.
Background technology
Wireless trunking communication system, hereinafter to be referred as group system, be a kind of less expensive of growing up in recent years, command dispatching and communication system more flexibly, be widely used in units such as government bodies, energy traffic, airport harbour, industrial and mining enterprises, fire-fighting police, water conservancy and military affairs, to satisfy the needs of constituent parts intercommunication.
Show the structure chart of group system core net as Fig. 1, wherein, have user profile in the attaching position register (HLR), comprise this user IMSI, affiliated group ID tabulation (user can belong to 50 groups at most).Visited Location Registor (VLR) has the ID tabulation of user IMSI, the affiliated group of this user, and when the user roamed, these information copied from HLR and come.Gateway mobile switch (GMSC) links to each other with the external network of group system core net, and GMSC also links to each other with the anchor mobile switch (Anchor MSC) of group system core net.Anchor MSC is used to be in charge of and safeguard a specific voice group call service (VGCS).Relaying mobile switch (Relay MSC) is meant when group call region jumps a plurality of MSC, and all MSC except that anchor MSC are the tree-shaped relation of one-to-many between anchor MSC and the relay MSC.Comprised group ID and group call region in the Group Call Register (GCR), group call region lumps together with group ID and is called group call reference.Wherein with among the continuous GCR of anchor MSC the dispatcher tabulation relevant, relay MSC tabulation, the directly actuated cell list of anchor MSC have been comprised with this group call reference.The GCR that links to each other with relay MSC has then comprised the anchor MSC address relevant with this group call reference, the cell list that this relay MSC is controlled.
When setting up certain cluster group conversation, anchor MSC and relay MSC interactive information, and this cluster group attribute of preserving of the GCR that links to each other separately of inquiry respectively, obtain the cell list under each MSC control, group-calling channel is set up in the sub-district that is respectively under respective control, there is group calling to initiate by user in notification channel (NCH) group of notifications of each sub-district, and indicates its group-calling channel parameter so that the user monitors in the group.For group system, can only there be a talker the same time, and after the talker had said, other user can both be by sending the up call request to become the talker.
And, in a cluster group, different priority levels is set can for different users, realize the service feature of following different stage:
1, the parameter difference of other user's random access procedure of different priorities in the cluster group, as: retransmit number of times and retransmission interval or the like, and then cause inserting the success rate difference;
When 2, other user of different priorities initiated the access of uplink group cal channel simultaneously in the cluster group, group system was judged according to its priority level, is preferably other user of high priority and distributes the uplink group cal channel;
When 3, the other user of low priority talked by the uplink group cal channel in the cluster group, the other user of high priority can interrupt the other user's of low priority speech, obtained the uplink group cal channel and talked.
The priority of user in the cluster group is divided into lowest priority, normal priority and limit priority usually.Lowest priority can be defined as Normal, and all users need not explanation all lowest priority; Normal priority refers to be higher than Normal but the priority level that is lower than limit priority, can further be divided into a plurality of sub-priority, generally has only the user of mandate just can send the up call request of normal priority; Limit priority is normally set for urgent call (Emergency Call), it can interrupt other other any callings of level, usually the user should have the right that sends this priority level call request, but the group system that has also may have only the user of mandate just can send out the call request of limit priority.
The initial priority of user is kept among the HLR, when the user roams, can copy to the VLR of sub-district, user place from HLR.And user terminal (in SIM card) also can be preserved this initial priority, can be to write direct when opening an account in the SIM card, or when setting up trunking communication, this priority of network side informing user terminal place group is to preserve.Wherein, the user can revise initial priority by air interface or by the Operation and Maintenance platform of operator.
When adopting priority, when the user sends call request at every turn, attach and notify this to call out the priority level of using, whom the method decision of network based " First Come First Served is simultaneously to getting high priority " allows obtain speaking right.After a certain user uplink call request success of a certain priority level, network group calling descending repeat to send carry other message of speaker priority, all hearer users can receive this message.When certain hearer user wants to interrupt current speaker and becomes new speaker, this user terminal at first detects the priority level whether precedence information that this calling carries is higher than current talker, then send the up call request if be higher than, otherwise the present used priority of prompting user haves no right to interrupt active user's speech.
And what send as the user is the urgent call of limit priority, and current speaker priority is not when being not limit priority, and network can authorize emergency call user to begin speech, notifies former talker's speech to be interrupted and discharge former talker's channel resource simultaneously.When the network authorization emergency call user began to talk, network repeated to send the urgent call indication at NCH channel, fast access control channel (FACCH), and the User Priority that repeats simultaneously to send is " Emergency Call ".The purpose of doing like this is exactly to allow all this group membership users learn that this group carrying out urgent call as far as possible.
At present, it is that urgent call is reset (Emergency CallReset) that group system also provides a function, and network authorization certain customers have the right to cancel the transmission that repeats of urgent call indication.When this group was carried out urgent call, the user who is authorized to cancel the urgent call indication can carry the request of cancellation urgent call indication in up call, and network is after examining this user's right, with urgent call indication cancellation.Cancellation urgent call indication does not interrupt the conversation of current emergency call user, but this priority that is in the user of urgent call is reduced to lowest priority Normal at once, and this causes the calling of any Normal of being higher than priority can interrupt the conversation of current this emergency call user.Have only at present after user's terminated call of this urgent call and (decontrol assignment key or interrupted the conversation back), just can revert to former priority.Here need to prove, after urgent call is reset, though this user's conversation is not disconnected, but this user's calling has not belonged to urgent call in fact this moment, but for convenience, as long as when the conversation that this user initiates urgent call did not finish, the present invention all claimed this user to be in urgent call.
As mentioned above, after urgent call was reset, the priority that is in the user of this urgent call was fixed to lowest priority Normal at once, and this user who is in the emergency calling process just can be interrupted by any any calling that is higher than lowest priority.
Summary of the invention
In view of this, main purpose of the present invention has been to provide the priority processing method after a kind of group system urgent call is reset, after avoiding urgent call to be reset, the user who is in urgent call fixedly is reduced to lowest priority, and the situation that this user's who causes current urgent call can be interrupted by any any calling that is higher than lowest priority.
Priority processing method after group system urgent call provided by the invention is reset, the priority of cluster user is kept in the network equipment, and is further comprising the steps of:
After A, network were received urgent call replacement message, described network equipment was visited in cancellation urgent call indication, obtains the user's who is in urgent call of its storage priority;
B, described this user's that will obtain priority is handed down to the user of this group as the current priority that is in the user of urgent call.
Optionally, further comprise after the steps A: the user's who is in urgent call that network will obtain priority sends to the described user who is in urgent call; The described user who is in urgent call then replys acknowledge message to network as if agreeing described priority; Network is received when described acknowledge message or certain hour are not received any response message, execution in step B.
Optionally, further comprise after the steps A: the described user who is in urgent call sends its desired priority to network; After network is received described desired priority, judge when this user has the right to use described desired priority, the priority of described desired priority as described this user who obtains, execution in step B.
Wherein, described desired priority is stored in the user terminal in advance.
Wherein, judge that the user has the right to use the step of described desired priority to comprise: judge that its desired priority that this user sends is not higher than the limit priority except that urgent call that network allows the user to use.
Wherein, the priority of described network side storing is priority that the user registered, or is the priority of user's distribution when setting up group.
Wherein, the priority of described network side storing is that urgent call is the described set replacement default priority of user that is in urgent call when being reset.
Optionally, the service-user type that different replacement default prioritys is corresponding different; The described priority of obtaining the user who is in urgent call of steps A is to determine according to the current service-user type of this user.
Optionally, described replacement default priority is a time limit priority.
By said method as can be seen, the present invention has increased the flexibility that the back priority of resetting is selected, guarantee that urgent call is reset after, be in the lowest priority that is reduced to that User Priority in the emergency calling process can not fix.
Specifically, after the user who is in urgent call is reset by urgent call, the precedence information that obtains by the present invention can be handed down to each user of place group, like this, each user is when making a call, judge whether to interrupt the speech of current emergency call user according to this priority, only when being higher than the described priority that issues by the present invention, just can make a call.Thereby being in emergency call user after having avoided the described urgent call of prior art to reset can be interrupted by any calling that is higher than other user of lowest priority.
Description of drawings
Fig. 1 is the structure chart of group system core net.
Fig. 2 is the processed flow chart of group system urgent call after resetting.
Embodiment
Referring to accompanying drawing, technical solution of the present invention is described in detail.
Suppose the user MS2 that urgent call is carried out in the current existence one of group system, this moment, another user MS1 initiated the replacement message (Emergency Call Reset) to this urgent call, flow chart referring to the replacement of the urgent call shown in Fig. 2 back User Priority is handled may further comprise the steps:
Step 201: after anchor MSC receives the replacement message of urgent call, according to information such as the current user ID that is in the MS2 of urgent call, place group identifications, to the initial priority information of VLR/HLR request MS2.This initial priority refers to the user when registration, when perhaps setting up this group, is the priority that the user distributed.
Step 202:VLR/HLR arrives the user's of record initial priority according to information inquiries such as the user ID of MS2, described group identifications, and this initial priority information is returned to anchor MSC.
Step 203～205: anchor MSC does not send to initial priority the user MS2 that is in urgent call, user MS2 confirms this priority level, if user MS2 agrees this priority level and can or not respond to anchor MSC answer acknowledge message, anchor MSC is if receive user's affirmation message or certain hour does not receive that response message thinks that the user agrees this priority level, execution in step 206;
If user MS2 disagrees with the priority level that anchor MSC issues, then can upload own desired priority, after anchor MSC receives the priority that the user uploads, check whether user MS2 has the right to use this priority, if have, then use this priority as the priority that is in the MS2 of urgent call, execution in step 206 according to customer requirements; If do not have, then select the initial priority of still using anchor MSC to be provided.Wherein, during the limit priority except that urgent call (generally being initial priority) that the permission user that the priority of uploading as the user is not higher than anchor MSC to be provided uses, think the have the right priority of using it to upload of this user.
Preferable, can respond network fast in order to realize the user, the priority of its requirement can be set in MS2 in advance, like this, when receiving the initial priority that anchor MSC issues, upload the priority of its requirement automatically at once.Certainly, can judge also whether whether different decision again uploads for the priority of this initial priority and its setting.
Wherein, if network side adopts mandatory priority to issue, when promptly the user must use the priority that anchor MSC issues, can omit step 203～205.
Step 206: the priority that anchor MSC confirms step 205 issues, and notifies the priority of the current emergency call user MS2 of all users in this group.
Wherein, the employed priority of user when being reset for urgent call specially can also be set, claim that here this priority is the replacement default priority, it doesn't matter with above-mentioned initial priority.The replacement default priority will be stored among the VLR, also can be retained among the HLR, or be arranged on the anchor MSC.After urgent call is reset, can not read user's initial priority information, and read the replacement default priority, and the replacement default priority that will read does not send to all users in the group as being in the current priority of emergency call user.The replacement default priority can be configured by operator, can be configured to lowest priority, or is limit priority, or is a certain priority commonly used.This situation goes for the interior user of network and is assigned different COS (for example using different COS between public security part and the domestic consumer), can determine that the replacement default priority is other according to this user's who writes down COS when specifying the replacement default priority for the user.
Wherein, this replacement default priority is when being in the current priority of emergency call user, and can also be set to is that to be lower than the limit priority of urgent call other, i.e. time limit priority.Can not consider whether have the right to use this priority level when the user registers this moment, certainly, the same with prior art, this priority level only limits to during this calls out this user's the term of validity, (relieving assignment key) cancels this user's interim priority behind the end of calling, recovers its former priority.Can guarantee like this that in this calling procedure urgent call guarantees that the user is not reduced to lowest priority, thereby can not interrupted by any ordinary call in this calling procedure in the interim priority that is reset back use time highest level.
For the transmission of above-mentioned message, MSC can use the FACCH of dedicated downlink channel or group calling down channel to send message to the user, and the FACCH of user uplink message available dedicated up channel or group call uplink channel transmits.Concrete which transmission channel that uses, the channel that is distributed when setting up according to group system decides.
The present invention has increased the flexibility of user's urgent call replacement back priority level initializing.After the user who is in urgent call is reset by urgent call, the precedence information that obtains by the present invention can be handed down to each user of place group, like this, each user is when making a call, judge whether to interrupt the speech of current emergency call user according to this priority, only when being higher than described priority, just can make a call.As mentioned above, because emergency call user is after urgent call is reset, be in that emergency call user can not be fixed to be reduced to lowest priority other, avoided prior art to be reset after, being in emergency call user can be interrupted by any calling that is higher than other user of lowest priority.
The above only is preferred embodiment of the present invention, and is in order to restriction the present invention, within the spirit and principles in the present invention not all, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. the priority processing method after a group system urgent call is reset, the priority of cluster user is kept in the network equipment, it is characterized in that, may further comprise the steps:
After A, network were received urgent call replacement message, described network equipment was visited in cancellation urgent call indication, obtains the user's who is in urgent call of its storage priority;
B, the described priority that is in the user of urgent call that will obtain are handed down to the user of this group as the current priority that is in the user of urgent call.
2. method according to claim 1 is characterized in that, further comprises after the steps A:
The user's who is in urgent call that network will obtain priority sends to the described user who is in urgent call;
The described user who is in urgent call then replys acknowledge message to network as if agreeing described priority;
Network is received when described acknowledge message or certain hour are not received any response message, execution in step B.
3. method according to claim 1 is characterized in that, further comprises after the steps A:
The described user who is in urgent call sends its desired priority to network;
After network is received described desired priority, judge when this user has the right to use described desired priority, the priority of described desired priority as described this user who obtains, execution in step B.
4. method according to claim 3 is characterized in that, described desired priority is stored in the user terminal in advance.
5. method according to claim 3 is characterized in that, judges that the user has the right to use the step of described desired priority to comprise:
Judge that its desired priority that this user sends is not higher than the limit priority except that urgent call that network allows the user to use.
6. method according to claim 1 is characterized in that, described priority is priority that the user registered, or is the priority of user's distribution when setting up group.
7. method according to claim 1 is characterized in that, described priority is that urgent call is the described set replacement default priority of user that is in urgent call when being reset.
8. method according to claim 7 is characterized in that, the service-user type that different replacement default prioritys is corresponding different;
The described priority of obtaining the user who is in urgent call of steps A is to determine according to the current service-user type of this user.
9. method according to claim 7 is characterized in that, described replacement default priority is a time limit priority.
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2005100831330A CN100415015C (en) | 2005-07-13 | 2005-07-13 | Method for processing emergent-calling precedence of packet system after re-configuration |
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| CNB2005100831330A CN100415015C (en) | 2005-07-13 | 2005-07-13 | Method for processing emergent-calling precedence of packet system after re-configuration |
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| CN1897721A CN1897721A (en) | 2007-01-17 |
| CN100415015C true CN100415015C (en) | 2008-08-27 |
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| CN103188618B (en) * | 2011-12-28 | 2016-03-02 | 鼎桥通信技术有限公司 | Call processing method, subscriber equipment and network equipment |
| CN106604250B (en) * | 2015-10-16 | 2020-07-10 | 普天信息技术有限公司 | Method for implementing TD-L TE cluster system pre-occupation priority call |
| CN115250437B (en) * | 2021-04-28 | 2024-01-12 | 海能达通信股份有限公司 | Method and device for call recovery in cluster system and readable storage medium |
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2005
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