CN1310533C - Method for priority holding up service channel by group user - Google Patents
Method for priority holding up service channel by group user Download PDFInfo
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- CN1310533C CN1310533C CNB031596339A CN03159633A CN1310533C CN 1310533 C CN1310533 C CN 1310533C CN B031596339 A CNB031596339 A CN B031596339A CN 03159633 A CN03159633 A CN 03159633A CN 1310533 C CN1310533 C CN 1310533C
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Abstract
The present invention discloses a method for preferentially occupying a service channel by a cluster user. The method comprises that A, a cluster service center sets the priority of a cluster user and stores in a cluster group in advance; B, a cluster user sends an up-going calling request to the cluster service center, and the cluster service center allocates the cluster user to occupy an up-going service channel according to the cluster user. The method sets priority for the cluster user in the cluster group, and thereby, can realize the function of the cluster user with high priority to preferentially occupy the up-going service channel.
Description
Technical field
The present invention relates to the group service field of trunked communication system, particularly a kind of cluster user preferentially takies the method for reverse link traffic channel.
Background technology
It is a technological development direction of public mobile communication system that professional scheduling feature is provided on mobile communication system, support that the mobile communication system of group service is a kind of dispatching communication system of special use, this system can make many clusters group share the wireless channel of negligible amounts automatically, and allows the cluster user in a plurality of cluster groups dynamically use these wireless channels.Trunked communication system compiles the up duration of all wireless channels effectively by the dynamic assignment of Radio Resource, thereby for each cluster user provides maximum available labour time, and the obstruction of channel reduced to minimum.
In order to make mobile communication system support group service, must adopt downlink traffic channel to share, reverse link traffic channel is multiplexing at times by seizing of cluster user in the cluster group, thereby realizes up call function.Cluster user carries out the implementation process that reverse link traffic channel seizes and is in the cluster group:
A plurality of cluster user buttons with identical authority of push-to-talk (PTT) in step 1, the cluster group send the uplink rob request message to cluster service center (TSC) or dispatching desk by base station sub-system (BSS);
Step 2, carry out the up conversation of certain cluster user of intrusion or interrupt the operations such as up conversation of certain cluster user by force, determine which cluster user can use reverse link traffic channel to converse by TSC or dispatching desk;
Step 3, TSC or dispatching desk send the affirmation message that inserts reverse link traffic channel message to this cluster user, simultaneously periodically forbid inserting message to the downlink business channel radio by BSS, seize message in order to stop other PTT cluster user in the cluster group to send repeatedly, up to the up conversation that finishes this cluster user.
This process exists following shortcoming: the priority level of the cluster user in the cluster group is identical with authority, cluster user in the cluster group does not preestablish priority, so the cluster user in the cluster group can not be seized reverse link traffic channel according to its priority level, thereby does not realize that the cluster user of high priority preferentially takies the function of reverse link traffic channel.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of cluster user preferentially to take the method for reverse link traffic channel, thereby can realize that the cluster user of high priority preferentially seizes the function of reverse link traffic channel.
According to above-mentioned purpose, specific embodiments of the present invention is as follows:
A kind of cluster user preferentially takies the method for reverse link traffic channel, and this method comprises:
A, the cluster user priority level that is provided with in the cluster group by cluster service center are in advance also preserved, and preserve after further the cluster user priority level of all or part preservation being upgraded again; The up call request that B, cluster user transmission carry this cluster user priority level is to cluster service center, and cluster service center distributes this cluster user to take reverse link traffic channel according to the priority level of cluster user.
Described cluster user priority level is kept on the Subscriber Identity Module of this cluster user and in the Group Call Register.
The process of preserving again after the described cluster user priority level of further all or part being preserved of described steps A is upgraded is: A1, cluster service center send the request of the change cluster user priority that carries the cluster user identification marking to cluster user by base station sub-system;
After A2, cluster user were received this request, whether the identification marking of judging self was identical with identification marking in the request, if identical, change the priority level of this cluster user and be kept at Subscriber Identity Module, send change priority success message, otherwise, do not process;
After A3, cluster service center were received this message by base station sub-system, change was kept at the priority level of this cluster user in the Group Call Register.
The request of described change cluster user priority transmits by reverse link traffic channel.
This method further comprises: broadcasting takies the priority level of the cluster user of reverse link traffic channel.
The described priority level that takies the cluster user of reverse link traffic channel is carried at reverse link traffic channel and takies in the message and broadcast.
The described priority level that takies this cluster user of reverse link traffic channel is broadcasted by base station sub-system.
Described step B also comprises:
Cluster user judges whether the priority of self is higher than the priority level of the cluster user that cluster service center broadcasts, if, cluster user can send carry this cluster user priority level up call request to cluster service center, otherwise cluster user forbids sending up call request.
By such scheme as can be seen, method provided by the invention to the cluster user in the cluster group priority level is set in advance and be kept in the Subscriber Identity Module (SIM) and Group Call Register in, and can upgrade the priority level of cluster user.When carrying out reverse link traffic channel when seizing, cluster user carries this cluster user priority level in up call request, cluster service center makes the reverse link traffic channel that this cluster user is seized reverse link traffic channel and broadcasting carries this priority level in this cluster group take message after receiving this request, thereby make the cluster user of being less than or equal to this priority level forbid sending up call request, seize reverse link traffic channel and the cluster user that is higher than this priority level can send up call request.Therefore, this method has realized that the cluster user of high priority preferentially seizes the function of reverse link traffic channel.
Description of drawings
Fig. 1 changes the flow chart of the cluster user priority level in the cluster group for the present invention.
The cluster user that Fig. 2 has priority for the present invention is seized the flow chart of reverse link traffic channel.
Embodiment
In order to realize that the purpose, technical solutions and advantages of the present invention are clearer, by the following examples and with reference to accompanying drawing, the present invention is described in more detail.
Method provided by the invention sets in advance different priority levels to the cluster user in the cluster group, has other cluster user of high priority and seizes reverse link traffic channel and converse thereby make.
The process that sets in advance priority to the cluster user in the cluster group is:
Be that cluster user in the cluster group is provided with different priority levels by cluster service center in advance as required, and set priority level and this cluster group number be stored in the Subscriber Identity Module (SIM) of this cluster user, the priority level of all cluster users in this cluster group is stored in the Group Call Register (GCR).
Cluster service center can be by sending the mode of message, the priority level of cluster user in the change cluster group.When the cluster user priority level in the change cluster group, as shown in Figure 1, Fig. 1 changes the flow chart of the cluster user priority level in the cluster group for the present invention, and its detailed process is:
Step 100～101, dispatch service center send change cluster user priority request, this request comprises the identification marking of this cluster user and the priority level that will change, this identification marking is international mobile subscriber identification number (IMSI) and temporary transient mobile user identification number (TMS), and this request is broadcasted at reverse link traffic channel by base station sub-system;
After step 102～103, cluster user are received this request, judge whether to change the priority level of self according to the identification marking in this request, if the identification marking in this request is identical with the identification marking of self storing, then change the priority level of self storing according to the priority level that will change in this request, and this cluster user sends the message of changing the priority success by base station sub-system to cluster service center, and cluster service center is changed the priority level that is stored in this cluster user among the GCR after receiving this message; Otherwise, do not change self priority level, change step 105 over to;
Step 104～105, cluster user send change priority failure by base station sub-system to cluster service center, and cluster service center is not changed the priority level that is stored in this cluster user among the GCR after receiving this message.
As shown in Figure 2, the cluster user that Fig. 2 has priority for the present invention is seized the flow chart of reverse link traffic channel, and its concrete steps are:
Step 200～201, cluster user send up call request (UPLINKACCESS) by base station sub-system and give cluster service center, and in order to seize reverse link traffic channel, the priority level of this cluster user is carried in this request;
After step 202～205, cluster service center are received this request, allow this cluster user take reverse link traffic channel, and send acknowledge message to this cluster user by base station sub-system, give the cluster user of this cluster group by base station sub-system in the message that downlink traffic channel broadcast upstream Traffic Channel takies (UPLINK BUSY) simultaneously, this message is carried the current priority level that takies the cluster user of reverse link traffic channel;
After other cluster users of step 206～207, this cluster group are received this message, whether the priority of judging self is higher than the priority level of carrying in this message, if, this cluster user can send UPLINK ACCESS by base station sub-system, seize reverse link traffic channel, otherwise this cluster user forbids sending UPLINK ACCESS.
Learn from the process of above narration, the priority level that when sending UPLINK ACCESS message, will carry cluster user, so, must redefine the parameter in the UPLINK ACCESS message.
In GSM and TSM system, the definition of UPLINK ACCESS message is as shown in table 1:
| Message field (bit) | Description of contents | Length (bit) |
| 0-7 | Set up reason or random reference (Establishment Cause ﹠ Random Reference) | 8 |
| 8-14 | Transmission power level indication (UE Transmitted Power Level Indication UE) | 7 |
| 15-17 | Timing advance (Timing Advance) | 3 |
| 18-20 | UE priority (UE Priority) | 3 |
| 21-26 | Reservation bit (Spare bit) | 6 |
Table 1
This message is made up of 27 bytes, comprising: 8 bytes set up reason or random reference parameter (Establishment Cause ﹠amp; Random Reference), the transmission power level indication parameter of 7 bytes (UE Transmitted Power Level Indication UE), the timing advance parameter of 3 bytes (Timing Advance), the reservation bit parameter (Spare bit) of the priority parameters of 3 bytes (UE Priority) and 3 bytes.Wherein, except UE Priority is the parameter that UPLINKACCESS message exists in the prior art, the present invention has just increased UE Priority in UPLINK ACCESS message, be used for defining the priority level of cluster user.
Equally, when sending UPLINK BUSY message, to carry the current priority level that takies the cluster user in the new road of uplink service, so, also must redefine the parameter in the UPLINK BUSY message.
In GSM and TSM system, the definition of UPLINK BUSY message is as shown in table 2:
| Message field (bit) | Description of contents | Length (bit) |
| 0-3 | Protocol label (Protocol Discriminator) | 4 |
| 4-7 | Skip indication (Skip Indicator) | 4 |
| 8-15 | Type of message (Message Type) | 8 |
| 16-18 | Access priority (Priority) | 3 |
Table 2
This message is made up of 19 bytes, comprise: the protocol label of 4 bytes (ProtocolDiscriminator), 4 bytes skip indication (Skip Indicator), the type of message of 8 bytes (Message Type), the reservation bit parameter (Spare bit) of the access priority parameter of 3 bytes (UE Priority) and 3 bytes.Wherein, except UE Priority is the parameter that UPLINK ACCESS message exists in the prior art, the present invention has just increased UE Priority in UPLINK ACCESS message, be used for defining the current cluster user priority level that takies reverse link traffic channel.
The present invention can also not carry priority parameters when cluster service center is broadcasted UPLINK ACCESS message, but after cluster service center broadcasting UPLINK ACCESS message, send the current reverse link traffic channel priority level message that takies to all cluster users in the cluster group again, after cluster user obtains this message, priority and the current priority that takies the cluster user of reverse link traffic channel with self compares again, thereby determines whether to send up call request.This message can be after cluster service center be broadcasted UPLINK ACCESS message, sends before the current cluster user end of conversation that takies reverse link traffic channel.
The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all modifications of being made within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1, a kind of cluster user preferentially takies the method for reverse link traffic channel, it is characterized in that, this method comprises:
A, the cluster user priority level that is provided with in the cluster group by cluster service center are in advance also preserved, and preserve after further the cluster user priority level of all or part preservation being upgraded again;
The up call request that B, cluster user transmission carry this cluster user priority level is to cluster service center, and cluster service center distributes this cluster user to take reverse link traffic channel according to the priority level of cluster user.
2, the method for claim 1 is characterized in that, described cluster user priority level is kept on the Subscriber Identity Module of this cluster user and in the Group Call Register.
3, method as claimed in claim 2 is characterized in that, the process of preserving again after the described cluster user priority level of further all or part being preserved of described steps A is upgraded is:
A1, cluster service center send the request of the change cluster user priority that carries the cluster user identification marking to cluster user by base station sub-system;
After A2, cluster user were received this request, whether the identification marking of judging self was identical with identification marking in the request, if identical, change the priority level of this cluster user and be kept at Subscriber Identity Module, send change priority success message, otherwise, do not process;
After A3, cluster service center were received this message by base station sub-system, change was kept at the priority level of this cluster user in the Group Call Register.
4, method as claimed in claim 3 is characterized in that, the request of described change cluster user priority transmits by reverse link traffic channel.
5, the method for claim 1 is characterized in that, this method further comprises: broadcasting takies the priority level of the cluster user of reverse link traffic channel.
6, method as claimed in claim 5 is characterized in that, the described priority level that takies the cluster user of reverse link traffic channel is carried at reverse link traffic channel and takies in the message and broadcast.
7, method as claimed in claim 5 is characterized in that, the described reverse link traffic channel that takies
8, method as claimed in claim 5 is characterized in that, described step B also comprises:
Cluster user judges whether the priority of self is higher than the priority level of the cluster user that cluster service center broadcasts, if, cluster user can send carry this cluster user priority level up call request to cluster service center, otherwise cluster user forbids sending up call request.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CNB031596339A CN1310533C (en) | 2003-09-19 | 2003-09-19 | Method for priority holding up service channel by group user |
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| Application Number | Priority Date | Filing Date | Title |
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| CNB031596339A CN1310533C (en) | 2003-09-19 | 2003-09-19 | Method for priority holding up service channel by group user |
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| CN1599472A CN1599472A (en) | 2005-03-23 |
| CN1310533C true CN1310533C (en) | 2007-04-11 |
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| CNB031596339A Expired - Lifetime CN1310533C (en) | 2003-09-19 | 2003-09-19 | Method for priority holding up service channel by group user |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100455066C (en) * | 2005-04-15 | 2009-01-21 | 华为技术有限公司 | Method for realizing user sending up cut-in request in cluster group |
| CN100442869C (en) * | 2005-04-18 | 2008-12-10 | 华为技术有限公司 | Method for uplink rob of user getting in cluster group latterly |
| CN100415015C (en) * | 2005-07-13 | 2008-08-27 | 华为技术有限公司 | Method for processing emergent-calling precedence of packet system after re-configuration |
| CN100450219C (en) * | 2005-08-11 | 2009-01-07 | 华为技术有限公司 | Transfer method of extraneous information in communication system and extraneous information transfer system |
| CN100440999C (en) * | 2005-09-29 | 2008-12-03 | 中兴通讯股份有限公司 | Method for sharing reverse channel based on DO group telecommunication system |
| CN101047903B (en) * | 2006-03-29 | 2010-07-07 | 华为技术有限公司 | Uplink group call channel preempting method and system |
| CN101123759B (en) * | 2006-08-08 | 2010-06-16 | 中兴通讯股份有限公司 | An access method for user resource allocation in cluster communication system |
| US20120008639A1 (en) * | 2010-07-12 | 2012-01-12 | Futurewei Technologies, Inc. | System and Method for Operating with Groups of Communications Devices in a Wireless Communications System |
| CN104902578B (en) * | 2015-05-15 | 2019-06-14 | 四川大学 | A kind of method and apparatus of cluster priority access |
| CN105979500B (en) * | 2016-05-12 | 2019-02-15 | 深圳优克云联科技有限公司 | A kind of Subscriber Identity Module distribution method and device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5125102A (en) * | 1987-06-03 | 1992-06-23 | Ericsson Ge Mobile Communications Inc. | Trunked radio repeater system including synchronization of a control channel and working channels |
| US5465386A (en) * | 1989-03-31 | 1995-11-07 | E.F. Johnson Company | Signaling protocol for a distributive wide area transmission trunked communication system |
| US5574788A (en) * | 1987-06-03 | 1996-11-12 | Ericsson Inc. | Trunked radio repeater system |
-
2003
- 2003-09-19 CN CNB031596339A patent/CN1310533C/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5125102A (en) * | 1987-06-03 | 1992-06-23 | Ericsson Ge Mobile Communications Inc. | Trunked radio repeater system including synchronization of a control channel and working channels |
| US5574788A (en) * | 1987-06-03 | 1996-11-12 | Ericsson Inc. | Trunked radio repeater system |
| US5465386A (en) * | 1989-03-31 | 1995-11-07 | E.F. Johnson Company | Signaling protocol for a distributive wide area transmission trunked communication system |
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