CN101977442A - Method and system for allocating circuit resources in call priority accessing - Google Patents
Method and system for allocating circuit resources in call priority accessing Download PDFInfo
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- CN101977442A CN101977442A CN2010105024593A CN201010502459A CN101977442A CN 101977442 A CN101977442 A CN 101977442A CN 2010105024593 A CN2010105024593 A CN 2010105024593A CN 201010502459 A CN201010502459 A CN 201010502459A CN 101977442 A CN101977442 A CN 101977442A
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- priority
- circuit resource
- call
- calling
- circuit
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/30—Connection release
- H04W76/34—Selective release of ongoing connections
- H04W76/36—Selective release of ongoing connections for reassigning the resources associated with the released connections
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
- H04W28/18—Negotiating wireless communication parameters
Abstract
The invention discloses a method and a system for allocating circuit resources in call priority accessing. The method comprises the following steps that: a mobile switching center (MSC) receives a call request initiated by a terminal and then determines the priority of a current call; if an idle circuit resources do not exist, the MSC compares the priority of the current call with the priority of a previous call which occupied the circuit resources, if the priority of the current call is not the minimum, the MSC marks the circuit resources of the previous call with the minimum priority to be reserved and also releases the circuit resources of the previous call with the minimum priority, and the MSC allocates the released circuit resources to the current call and also changes the reserved mark to be a used mark; and if the priority of the current call is the minimum, the circuit resources are not allocated to the current call. In the method and the system, the priority allocation of the circuit resources in the call priority accessing is realized by using a priority-based preemption mode, and the reliability for the high-priority call and the high efficiency for the circuit resource allocation are ensured.
Description
Technical field
The present invention relates to the circuit resource distribution technique, the method and system that circuit resource distributed during particularly a kind of call priority inserted.
Background technology
At present known call priority access service comprises preferential access and the emergent telecommunications service GETS of channel assignment PACA, multi-level priority preemption MLPP, wireless Priority Service WPS and U.S. government etc., and these business and agreement thereof have mainly been described the continue priority allocation situation of necessary resource of Priority Call.
For the priority allocation of resource, two kinds of implementations are arranged generally:
1, the QueueWay of queueing form, when preferential access calling takies resource, if there is not idling-resource, then the height adding queue queue of current calling according to priority, in case idle resource is arranged, call out then preferentially for of head of the queue and use, preferential at present the access in the related protocol for seizing of circuit resource all is this mode.But the method for salary distribution of this resource makes the user of high priority need experience a queuing time, do not satisfy the quick access requirement of emergency communication, if the user of low priority is call release not, the user of high priority just can't insert, can't guarantee that emergency communication necessarily can connect, reliability is bad.
2, preempt-mode ForcedWay, defined the preferential access procedure of eating dishes without rice or wine at present in the 3gpp2 agreement based on preempt-mode, but do not relate to seizing of resources of core network, also have and proposed seizing of land circuit in the patent, but in the preemption processes, need temporary transient refusal and this priority user with the domestic consumer of BSC and the access of low priority user.But this mode in the high-priority users access procedure, has been refused the access request of whole BSC in order to realize seizing of land circuit.Even there are a lot of resources to discharge in this process, domestic consumer also can't connecting system, obviously is kind of a wasting of resources.
Summary of the invention
The object of the present invention is to provide circuit resource distribution method in a kind of call priority access, be used for solving better the priority allocation problem that call priority inserts circuit resource.
Another object of the present invention is to provide circuit resource distribution system in a kind of call priority access, be used for solving better the priority allocation problem that call priority inserts circuit resource.
According to an aspect of the present invention, provide circuit resource distribution method in a kind of call priority access, may further comprise the steps:
After moving exchanging center MSC is received the call request of terminal initiation, determine the priority of current calling;
When not having the idle circuit resource, described MSC compares the priority of current calling and the priority in preceding calling that takies circuit resource, if the priority of current calling is not minimum, the minimum circuit resource of Release priority level then in preceding calling, the circuit resource after will discharging is again distributed to current calling;
If the priority of current calling is minimum, then not to current call distribution circuit resource.
Wherein, MSC Release priority level minimum before the circuit resource of preceding calling, MSC is labeled as " reservation " to the minimum circuit resource in preceding calling of priority in the circuit resource table.After the minimum circuit resource in preceding calling of MSC Release priority level, MSC changes " reservation " mark into " use " in the circuit resource table.
According to a further aspect in the invention, provide circuit resource distribution system in a kind of call priority access, having comprised:
Call out receiving element, be used for the call request that receiving terminal is initiated;
The priority identifying unit is used for determining the priority of current calling;
The priority comparing unit is used for when not having idle circuit resource, and the priority of current calling and the priority in preceding calling that takies circuit resource are compared;
Rm-cell is used for when the priority of current calling when not being minimum, the circuit resource that takies in preceding calling that the Release priority level is minimum; And
Resource allocation unit is used for circuit resource after discharging or idle circuit resource are distributed to current calling.
Wherein, before the minimum circuit resource of Release priority level in preceding calling, rm-cell is labeled as " reservation " to the minimum circuit resource in preceding calling of priority in the circuit resource table, after the minimum circuit resource of Release priority level, in the circuit resource table, " reservation " mark is changed into " use " in preceding calling.
Compared with prior art, beneficial effect of the present invention is: the present invention adopts the priority allocation that has realized circuit resource in the call priority access based on the preempt-mode of priority, has guaranteed the reliability of high-priority call and the high efficiency that circuit resource distributes.
Description of drawings
Fig. 1 is a circuit resource distribution method schematic flow sheet during call priority provided by the invention inserts;
Fig. 2 is the structural representation of circuit resource distribution system during call priority provided by the invention inserts;
Fig. 3 is that seizing of providing of the embodiment of the invention reserved the operation principle schematic diagram simultaneously;
Fig. 4 is that the intra-office subscribers that the embodiment of the invention provides works the flow chart of exhaling the priority allocation land circuit;
Fig. 5 is the whole flow chart of exhaling the priority allocation land circuit of intra-office subscribers that the embodiment of the invention provides;
Fig. 6 is the flow chart of the outbound call priority allocation interexchange circuit that provides of the embodiment of the invention.
Embodiment
, should be appreciated that following illustrated preferred embodiment only is used for description and interpretation the present invention, and be not used in qualification the present invention a preferred embodiment of the present invention will be described in detail below in conjunction with accompanying drawing.
Fig. 1 has shown circuit resource distribution method flow process signal in the call priority access provided by the invention, as shown in Figure 1:
Step S101, as new call request, MSC receive current of comprising that terminal initiatively initiates exhale insert current end that request back or terminal initiate in order to respond paging exhale the current call request of the request of access after, determine the priority of current calling;
Step S102, when the idle circuit resource, MSC gives current calling the idle circuit resource allocation.
Step S103, when not having the idle circuit resource, MSC compares the priority of current calling and the priority in preceding calling that takies circuit resource, if the priority of current calling is not minimum, then MSC is labeled as " reservation " to the minimum circuit resource in preceding calling of priority in the circuit resource table, and the minimum circuit resource of Release priority level in preceding calling, wherein, if Home Exchange Call, then MSC control base station controller BSC discharges the land circuit resource, if outbound call, then the MSC of MSC notice opposite end office or common exchanging telephone network PSTN discharge the interexchange circuit resource, at this moment, the circuit resource that is labeled as " reservation " can not be assigned to other call requests.
After BSC discharged and finishes, MSC changed " reservation " mark into " use " in the circuit resource table, and the circuit resource after will discharging is again distributed to current calling.
In addition, if the priority of current calling is minimum, then not to current call distribution circuit resource.
Wherein, priority can be according to one or more the calculating in calling telephone number, called phone number, Originating CAMEL Subscription Information, Terminating CAMEL Subscription Information, caller location information and the called positional information.
Fig. 2 has shown the structural representation of circuit resource distribution system in the call priority access provided by the invention, and as shown in the figure, this system comprises calls out receiving element, priority identifying unit, priority comparing unit, rm-cell and resource allocation unit.
Wherein, initiatively initiate current current call request of exhaling the request of access the current end of exhaling the request of access or terminal to initiate, call out receiving element and receive this current calling in order to respond paging when terminal.
The priority identifying unit is being called out the priority of determining current calling after receiving element receives current the calling.
When the circuit resource of free time, resource allocation unit is distributed to current calling to idle circuit resource.
When not having idle circuit resource, the priority comparing unit compares the priority of current calling and the priority in preceding calling that takies circuit resource.
When the priority of current calling when not being minimum, the circuit resource that takies in preceding calling that rm-cell Release priority level is minimum, and in the circuit resource table, the minimum circuit resource in preceding calling of priority is labeled as " reservation ".Wherein, if Home Exchange Call, then MSC control base station controller BSC discharges the land circuit resource, if outbound call, then the MSC of MSC notice opposite end office or common exchanging telephone network PSTN discharge the interexchange circuit resource.
After discharging circuit resource, resource allocation unit is distributed to current calling to the circuit resource after discharging, and rm-cell changes " reservation " mark into " use " in the circuit resource table.
Fig. 3 has shown that seizing that the embodiment of the invention provides reserve the operation principle signal simultaneously, as shown in Figure 3:
Step S301, the starting stage, current resource is all occupied.
Step S302, conversion and reservation stage.Priority is 7 high Priority Call A connecting system, the application circuit resource, and the resource that lowest priority is called out c1 is seized in rm-cell decision, and with resource status set " reservations ", and to write down the subscriber be " A ", rm-cell request BSC call release.
Step S303, domestic consumer attempt inserting.Priority is less than 3 ordinary call N connecting system, the application circuit resource, and rm-cell is checked resource status, unique unappropriated circuit 1 has been reserved, the circuit application of rm-cell refusal N.
Step S304, domestic consumer attempt inserting.Calling out c2 discharges, the notice rm-cell, circuit 2 states of rm-cell c2 are set to " free time ", priority is 1 ordinary call N2 connecting system, the application circuit resource, rm-cell is checked resource status, finds that circuit 2 is idle and is not reserved, be N2 distributor circuit 2, the resource bid request of response N2.
Step S305, high-priority call formally takies the stage.Low priority call c1 discharges and finishes, the notice rm-cell, and rm-cell is updated to " use " with circuit 1 state, and the occupant is updated to A, the resource bid request among the response of step S302.
Fig. 4 has shown that the intra-office subscribers that the embodiment of the invention provides works the flow process of exhaling the priority allocation land circuit, as shown in Figure 4:
Step S401, MSC receive that rising of user A called for and ask CMServiceReq.
Step S402, MSC calculates the priority P riority_A of this calling according to CAMEL-Subscription-Information, numbers of calling and called parties, position etc., and judging does not have idle land circuit.
Step S403, MSC selects the calling B that priority is low, and can be called out A after the release of the land circuit resource of this calling and use.
The land circuit resource CIC_B that step S404, MSC will call out among the B is labeled as " reservation ", and according to this sign, this circuit uses to calling A next time.
Step S405, MSC send to BSC and remove request ClrReq, with call release B.
After step S406, BSC discharge and finish, send removing to MSC and finish message ClrCmp.
After step S407, MSC receive that message is finished in the removing of calling out B, circuit CIC_B is distributed to calling A use, and remove " reservation " mark.Send assignment request AssignReq to BSC, wherein carried the priority P riority_A of this calling and the land circuit CIC_B of distribution.
After step S408, BSC receive the assignment request, be calling A priority allocation interface-free resources according to priority P riority_A.
Step S409, BSC return assignment to MSC and finish message after finishing the interface-free resources distribution.So far calling out the preferential access network of A finishes.
Fig. 5 has shown the whole flow process of exhaling the priority allocation land circuit of intra-office subscribers that the embodiment of the invention provides, as shown in Figure 5:
Step S501, MSC receive user's page response CMServiceReq, are designated as to call out A.
Step S502, the current priority that MSC obtains according to CAMEL-Subscription-Information, numbers of calling and called parties, position, from his office or local exchange etc. calculates the priority P riority_A of this calling, and judges and do not have idle land circuit.
Step S503, MSC selects the calling B that priority is low, and can be called out A after the release of the land circuit resource of this calling and use.
The land circuit resource CIC_B that step S504, MSC will call out among the B is labeled as " reservation ", and according to this sign, this circuit uses to calling A next time.
Step S505, MSC send to BSC and remove request ClrReq, with call release B.
After step S506, BSC discharge and finish, send removing to MSC and finish message ClrCmp.
After step S507, MSC receive that message is finished in the removing of calling out B, circuit CIC_B is distributed to calling A use, and remove " reservation " mark.Send assignment request AssignReq to BSC, wherein carried the priority P riority_A of this calling and the land circuit CIC_B of distribution.
After step S508, BSC receive the assignment request, be calling A priority allocation interface-free resources according to priority P riority_A.
Step S509, BSC return assignment to MSC and finish message after finishing the interface-free resources distribution.So far calling out the preferential access network of A finishes.
Fig. 6 has shown the flow process of the outbound call priority allocation interexchange circuit that the embodiment of the invention provides, as shown in Figure 6:
Step S601, the current priority that MSC obtains according to CAMEL-Subscription-Information, numbers of calling and called parties, position, from his office or local exchange etc. calculates the priority P riority_A of this calling, and judges and do not have idle interexchange circuit.
Step S602, MSC selects the calling B that priority is low, and can be called out A after the release of the interexchange circuit resource of this calling and use.
The interexchange circuit resource CIC_B that step S603, MSC will call out among the B is labeled as " reservation ", and according to this sign, this circuit uses to calling A next time.
Step S604, MSC send to opposite end office and discharge request REL, with the interexchange circuit of call release B.
Step S606, opposite end office send Release complete RLC to MSC after discharging and finishing.
After step S607, MSC receive the Release complete of calling out B, circuit CIC_B is distributed to calling A use, and remove " reservation " mark.Send the IAM message of the interexchange circuit CIC_B of the priority P riority_A carried this calling and distribution to opposite end office, so far, call out A and finished preferential striking out.
In addition, MSC receives the incoming call message that has preferential and parameter, then preserves priority parameters, and calculating priority level is used when being provided with the back calling.
In sum, the present invention has following technique effect: the present invention has realized reliability and the high efficiency that circuit resource distributes in the preferential access procedure.For seizing of circuit resource, use the mode of reserving when tolling breakdown, the wasting of resources of having avoided inaccessible whole BSC to cause, promptly seizing of resource only influences converted calling.To be applied to the priority allocation of other call resources based on seizing of priority, guarantee the reliability of high-priority call.To having defined preferential cut-in method in the priority parameters of interoffice transmission based on preempt-mode.
Although above the present invention is had been described in detail, the invention is not restricted to this, those skilled in the art can carry out various modifications according to principle of the present invention.Therefore, all modifications of doing according to the principle of the invention all should be understood to fall into protection scope of the present invention.
Claims (10)
1. circuit resource distribution method during a call priority inserts is characterized in that, may further comprise the steps:
After moving exchanging center MSC is received the call request of terminal initiation, determine the priority of current calling;
When not having the idle circuit resource, described MSC compares the priority of described current calling and the priority in preceding calling that takies circuit resource, if the priority of current calling is not minimum, then discharge the minimum circuit resource in preceding calling of described priority, the circuit resource after will discharging is again distributed to described current calling; And
If the priority of current calling is minimum, then not to current call distribution circuit resource.
2. circuit resource distribution method during a kind of call priority according to claim 1 inserts is characterized in that the circuit resource in preceding calling that the described priority of described release is minimum may further comprise the steps:
If Home Exchange Call, then described MSC control base station controller BSC discharges the land circuit resource; And
If outbound call, then described MSC notify the MSC of opposite end office or common exchanging telephone network PSTN to discharge the interexchange circuit resource.
3. circuit resource distribution method during a kind of call priority according to claim 2 inserts is characterized in that, described circuit resource is realized distributing by revising the circuit resource table.
4. circuit resource distribution method during a kind of call priority according to claim 3 inserts, it is characterized in that, before the minimum circuit resource in preceding calling of described MSC Release priority level, described MSC is labeled as reservation to the minimum circuit resource in preceding calling of described priority in described circuit resource table.
5. circuit resource distribution method during a kind of call priority according to claim 1 inserts, it is characterized in that described priority is according at least a the calculating in the following information: calling telephone number, called phone number, Originating CAMEL Subscription Information, Terminating CAMEL Subscription Information, caller location information, called positional information.
6. according to claim 1, it is characterized in that the call request that described terminal is initiated comprises at least a:
Exhale the request of access for current that terminal is initiatively initiated;
Exhale the request of access the end that terminal is initiated in order to respond paging; And
The incoming call request.
7. circuit resource distribution system during a call priority inserts is characterized in that described system comprises:
Call out receiving element, be used for the call request that receiving terminal is initiated;
The priority identifying unit is used for determining the priority of described current calling;
The priority comparing unit is used for when not having idle circuit resource, and the priority of described current calling and the priority in preceding calling that takies circuit resource are compared;
Rm-cell is used for when the priority of current calling when not being minimum, the circuit resource that takies in preceding calling that the Release priority level is minimum; And
Resource allocation unit is used for circuit resource after discharging or idle circuit resource are distributed to described current calling.
8. circuit resource distribution system during a kind of call priority according to claim 7 inserts is characterized in that, described circuit resource is realized distributing by revising the circuit resource table.
9. circuit resource distribution system during a kind of call priority according to claim 8 inserts, it is characterized in that, described rm-cell also is used in described circuit resource table the minimum circuit resource in preceding calling of described priority being labeled as reservation before the minimum circuit resource in preceding calling of described Release priority level.
10. circuit resource distribution system during a kind of call priority according to claim 9 inserts is characterized in that, the call request that described terminal is initiated comprises at least a:
Exhale the request of access for current that terminal is initiatively initiated;
Exhale the request of access the end that terminal is initiated in order to respond paging; And
The incoming call request.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105024593A CN101977442A (en) | 2010-10-11 | 2010-10-11 | Method and system for allocating circuit resources in call priority accessing |
| PCT/CN2011/076575 WO2012048591A1 (en) | 2010-10-11 | 2011-06-29 | Method and system for allocating circuit resources in call priority access |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105024593A CN101977442A (en) | 2010-10-11 | 2010-10-11 | Method and system for allocating circuit resources in call priority accessing |
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| CN101977442A true CN101977442A (en) | 2011-02-16 |
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| CN2010105024593A Pending CN101977442A (en) | 2010-10-11 | 2010-10-11 | Method and system for allocating circuit resources in call priority accessing |
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| CN (1) | CN101977442A (en) |
| WO (1) | WO2012048591A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102123454A (en) * | 2011-03-17 | 2011-07-13 | 中兴通讯股份有限公司 | Method and device for call access under switchover |
| WO2012048591A1 (en) * | 2010-10-11 | 2012-04-19 | 中兴通讯股份有限公司 | Method and system for allocating circuit resources in call priority access |
| CN103699437B (en) * | 2013-12-20 | 2017-06-06 | 华为技术有限公司 | A kind of resource regulating method and equipment |
| CN108882179A (en) * | 2017-05-12 | 2018-11-23 | 大唐移动通信设备有限公司 | A kind of uplink time/frequency source distribution method and device |
| CN110650534A (en) * | 2018-06-27 | 2020-01-03 | 中兴通讯股份有限公司 | Method, device, computer equipment and storage medium for sending paging message |
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| US20010049288A1 (en) * | 2000-06-01 | 2001-12-06 | Samsung Electronics Co., Ltd | Apparatus and a method for controlling a priority access and channel assignment call in a mobile telecommunication system |
| CN1553742A (en) * | 2003-05-28 | 2004-12-08 | 华为技术有限公司 | Preferential inserting method for preferential insert and channel assigned user |
| JP2007089001A (en) * | 2005-09-26 | 2007-04-05 | Nec Corp | Method of setting precedence call |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101977442A (en) * | 2010-10-11 | 2011-02-16 | 中兴通讯股份有限公司 | Method and system for allocating circuit resources in call priority accessing |
-
2010
- 2010-10-11 CN CN2010105024593A patent/CN101977442A/en active Pending
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2011
- 2011-06-29 WO PCT/CN2011/076575 patent/WO2012048591A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010049288A1 (en) * | 2000-06-01 | 2001-12-06 | Samsung Electronics Co., Ltd | Apparatus and a method for controlling a priority access and channel assignment call in a mobile telecommunication system |
| CN1553742A (en) * | 2003-05-28 | 2004-12-08 | 华为技术有限公司 | Preferential inserting method for preferential insert and channel assigned user |
| JP2007089001A (en) * | 2005-09-26 | 2007-04-05 | Nec Corp | Method of setting precedence call |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012048591A1 (en) * | 2010-10-11 | 2012-04-19 | 中兴通讯股份有限公司 | Method and system for allocating circuit resources in call priority access |
| CN102123454A (en) * | 2011-03-17 | 2011-07-13 | 中兴通讯股份有限公司 | Method and device for call access under switchover |
| WO2012122885A1 (en) * | 2011-03-17 | 2012-09-20 | 中兴通讯股份有限公司 | Call access method and device with handover |
| CN103699437B (en) * | 2013-12-20 | 2017-06-06 | 华为技术有限公司 | A kind of resource regulating method and equipment |
| CN108882179A (en) * | 2017-05-12 | 2018-11-23 | 大唐移动通信设备有限公司 | A kind of uplink time/frequency source distribution method and device |
| CN110650534A (en) * | 2018-06-27 | 2020-01-03 | 中兴通讯股份有限公司 | Method, device, computer equipment and storage medium for sending paging message |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2012048591A1 (en) | 2012-04-19 |
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Application publication date: 20110216 |