CN1315338C - Method for using land circuit in cellular communication system - Google Patents
Method for using land circuit in cellular communication system Download PDFInfo
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- CN1315338C CN1315338C CNB03156772XA CN03156772A CN1315338C CN 1315338 C CN1315338 C CN 1315338C CN B03156772X A CNB03156772X A CN B03156772XA CN 03156772 A CN03156772 A CN 03156772A CN 1315338 C CN1315338 C CN 1315338C
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Abstract
The present invention relates to a method for using a land circuit in a cellular communication system. The method is used for solving the problem of land circuit waste existing for establishing a land circuit for each wireless service channel when service is provided for cluster service in the prior art. In the voice group calling service and the voice broadcasting service of the cellular mobile communication system, heard contents are the same when various cluster group members hear, and only one cluster group member can speak within the same time. Consequently, the method of sharing the land circuit can be adopted. The method comprises: the mobile switching center of the voice group calling service or the voice broadcasting service is established; the service range of the voice group calling service or the voice broadcasting service is determined; a sharing land circuit is established between each mobile switching center and a base station controller governed by the mobile switching center within the service range. The construction and maintenance cost of the system is reduced due to resource sharing.
Description
Technical field
The present invention relates to mobile communication technology, relate to use in a kind of cluster cellular communication system the method for land circuit or rather.
Background technology
Land circuit in the cell mobile communication systems is meant the wired speech channel between communication two ends such as A, B two places, comprise between mobile switching centre (MSC) and mobile switching centre (MSC) and mobile switching centre (MSC) and its base station controller of administering (BSC) between wired speech channel, carry out the conversation of both direction in this wired speech channel, comprise conversation from A to B and the conversation from B to A, therefore this wired speech channel appearance in pairs always.
Voice group call service and Voice Broadcast Service are two main businesses in the cluster communication service, and it is group calling that the typical case of group service uses, and are characterized in conversing carrying out between a plurality of group members (group member can be called for short the group membership).
Voice group call service in the mobile communication system (VGCS:vioce Group Call Service), the trunked call of realization semiduplex mode.Usually, two class group members are arranged in the cluster group: one or more dispatchers and one or more cluster service user, the dispatcher must just can become the dispatcher through system authorization.User terminal as the dispatcher can be any telephone plant, and as the public network mobile phone of normal telephone machine or various standards, but cluster service user must be a wireless terminal (travelling carriage) of supporting group service.Interior any cluster service user and any one dispatcher through mandate of cluster group all can initiate the group calling request.When the group calling request was initiated, all dispatchers in the cluster group and the cluster service user in the group calling scope can both receive group calling and initiate request.Any dispatcher can talk at any time, but at one time, only allows a cluster service user speech, and they are by obtaining right to speak by the PTT key.
Voice Broadcast Service in the mobile communication system (VBS:Vioce Broadcast Service) is realized the trunked call of single worker's pattern.Usually, two class group members are arranged in the cluster group: one or more dispatchers and one or more cluster service user, the dispatcher must just can become the dispatcher through system authorization.User terminal as the dispatcher can be any telephone plant, and as the public network mobile phone of normal telephone machine or various standards, but cluster service user must be a wireless terminal (travelling carriage) of supporting group service.Any one all can initiate broadcast ﹠ call through cluster service user and any one dispatcher through mandate who authorizes in the cluster group, when broadcast ﹠ call were initiated, all dispatchers and the cluster service user in the broadcast area scope in the cluster group can both receive these broadcast ﹠ call.Have only the broadcast ﹠ call promoter to talk, other members (comprising dispatcher and cluster service user) in the cluster group can only listen the promoter to talk and can not participate in speech.
The common ground characteristics of the voice group call service of above-mentioned cell mobile communication systems and Voice Broadcast Service are: each cluster service user is when listening, and the content that they heard all is the same; A cluster service user speech can only be arranged at one time.
Present way is, sets up a land circuit at each radio traffic channel, and coming provides service for group service.For example, if base station controller 100 radio traffic channel that have been a cluster set of dispense, method by prior art, then just need set up 100 land circuits between this base station controller and the mobile switching centre (MSC) under it, and these 100 land circuits are in the transmission direction of MSC to BSC, institute's loaded service content is on all four on the circuit all the time that business is carried out, and in the transmission direction of BSC to MSC, also have only a land circuit bearer service in the same time at the most, all the other land circuits all are in idle condition.Therefore distribute the method for a land circuit to have great land circuit waste really at every radio traffic channel.
Summary of the invention
The objective of the invention is provides the method for using land circuit in a kind of cluster cellular communication system at the characteristics of group service, abandon the method for setting up a land circuit for each radio traffic channel, by utilizing shared land circuit to provide service, save the purpose that land circuit is saved system resource thereby reach for group service.
The technical scheme that realizes the object of the invention is such: use the method for land circuit in a kind of cluster cellular communication system, it is characterized in that:
A. set up the mobile switching centre of voice group call service or Voice Broadcast Service, determined the service range of this voice group call service or Voice Broadcast Service;
B. respectively set up a shared land circuit between other mobile switching centres in mobile switching centre and the service range, set up a shared land circuit respectively between each mobile switching centre and its base station controller of administering in the service range.
In the described steps A, determining described service range, is that the coverage when signatory is determined according to the cluster group.
Described step B also comprises: base station controller will be shared on the land circuit from all four business tine mobile switching centre, that transmit at synchronization and duplicate to each radio traffic channel; Base station controller utilizes described shared land circuit, uses for the radio traffic channel input from each wireless terminal.
Among the described step B,, use to the group calling promoter described shared land circuit fixed allocation for Voice Broadcast Service.
Among the described step B,, use to the group calling promoter of application speech described shared land circuit dynamic assignment for voice group call service.
Be that 100 radio traffic channel of cluster set of dispense are example still with an above-mentioned base station controller, by prior art, just need set up 100 land circuits between this base station controller and the mobile switching centre (MSC) under it, and these 100 land circuits are in the transmission direction of MSC to BSC, institute's loaded service content is on all four on the circuit all the time that business is carried out, on this direction, can only distribute a land circuit fully, according to demand the business tine that transmits on this land circuit be duplicated to 100 radio traffic channel by base station controller then.And in the transmission direction of BSC to MSC, also having only a land circuit bearer service in the same time at the most, all the other land circuits all are in idle condition, on this direction, also can only distribute a land circuit to use for 100 wireless channel inputs fully.Because the VBS business has only the promoter to talk,,,, the shared land circuit dynamic assignment of this direction needs the talker so giving because the talker needs application in the VGCS business so this direction fixed allocation of this shared land circuit is used to the promoter.
In sum, no matter be VGCS business or VBS business, all only need in these cases to distribute a land circuit, can satisfy the conversation requirement fully.
The present invention adopts and shares land circuit and provide service for the trunking communication user, because resource-sharing, thereby effectively reduces system's construction and operation, maintenance cost.
Method of the present invention can be applicable in the mobile application technology scheme in the CDMA mobile telecommunication network, but is not limited to this.
Description of drawings
Fig. 1 realizes the schematic flow sheet that land circuit is shared in the VGCS business.
Embodiment
The present invention adopts the condition of sharing land circuit to comprise the following aspects:
1. between hypothesis A, B two places, in a period of time that clear and definite beginning, the finish time are arranged, when the business tine that transmits in many circuit is the same, can adopt and share the land circuit transmission, be to share a land circuit between A, B two places, in A, B two places the business tine that is transmitted is copied into many parts then, is transferred to a plurality of users more correspondingly, thereby reduce transmission cost greatly.
2. between hypothesis A, B two places, in a period of time that clear and definite beginning, the finish time are arranged, the business tine that many circuit transmit in one direction is the same, and on another direction, have only wherein circuit transport service content in the same time, under the situation that has signaling to cooperate, also can adopt and share the land circuit transmission, be to share a land circuit between A, B two places, to reduce transmission cost.The user session in the VGCS business for example, this just situation that is embodied.When group calling is initiated, all dispatchers and service-user in the group calling scope can both receive group calling, dispatcher's talk at any time (many circuit transmit the same business tine in one direction), but have only a service-user can apply for the right (on another direction, having only wherein circuit transport service content in the same time) of speech at one time.
3. between hypothesis A, B two places, the business tine that has many circuit to transmit in one direction is the same, on another direction, has only a wherein circuit transport service content (promptly fixing a circuit), also can adopt and share the land circuit transmission, be the method for sharing a land circuit between A, B two places, to reduce transmission cost.For example in the VBS business, this just situation of user session when initiating broadcast ﹠ call by service-user.Service-user is initiated broadcast ﹠ call, all service-users in broadcast area can both receive broadcast ﹠ call (business tine that many circuit transmit in one direction is the same), but have only broadcast originator promptly this service-user can talk, other service-user can only be listened (on another direction, having only wherein fixing circuit transport service content).
4. between hypothesis A, B two places, the content that has many circuit to transmit in one direction is the same, on another direction, there is not a circuit transport service content in these many circuit, also can adopt and share the land circuit transmission, be the method for sharing a land circuit between A, B two places, to reduce transmission cost.For example in the VBS business, this just situation of the user session when initiating broadcast ﹠ call by the dispatcher.The dispatcher initiates broadcast ﹠ call, all service-users in broadcast area can both receive broadcast ﹠ call (business tine that many circuit transmit in one direction is the same), but have only broadcast originator promptly this dispatcher can talk, all service-users can only be listened (on another direction, not having a circuit transport service content).
Referring to Fig. 1, be the method that example explanation the present invention shares land circuit with the VGCS business.
The service range of supposing this VGCS comprises 5 sub-districts in moving exchanging center MSC _ a zone and 4 sub-districts in moving exchanging center MSC _ b zone, wherein 5 sub-districts under the MSC_a are under the jurisdiction of two BSC respectively, be BSC1 and BSC2,4 sub-districts under the MSC_b also are under the jurisdiction of two BSC, i.e. BSC3 and BSC4 respectively.
Step (1), a telephone subscriber initiates a VGCS service request by public telephone switching network (PSTN) to CDMA moving exchanging center MSC _ a, and MSC_a sets up the VGCS business according to the signatory coverage of this cluster group;
Step (2), CDMA moving exchanging center MSC _ a (being the A ground of aforementioned hypothesis) initiates the VGCS business to the base station controller (BSC) of its administration, set up respectively between two BSC-BSC1 of MSC_a and oneself administration and BSC2 and share land circuit, MSC_a＜-BSC1 and MSC_a＜-BSC2, shown in thick arrow line 11,12 among the figure.
Step (3), with step (2) simultaneously, set up between MSC_a and relevant MSC_b and share land circuit 13, MSC_a＜-MSC_b.Shown in thick arrow line 13 among the figure.
Step (14), MSC_b is according to the signatory coverage of this cluster group, set up the wireless link in the own compass of competency, MSC_b professional with own administration two BSC-BSC3 and BSC4 between the shared land circuit of foundation respectively, MSC_b＜-BSC3 and MSC_b＜-BSC4.Shown in thick arrow line 14,15 among the figure (above-mentioned BSC1, BSC2, BSC3, BSC4 and MSC_b are the B ground of aforementioned hypothesis).
If do not set up shared land circuit, the circuit number between MSC_a and the BSC1 should equal the sub-district number in the BSC1 zone so, is 3 in this example, and the circuit number between MSC_a and the BSC2 should equal the sub-district number in the BSC2 zone, is 2 in this example.Adopt and share land circuit, then the circuit number equals the BSC number that MSC_a administers, i.e. 2 shared land circuits 11,12.
If do not set up shared land circuit, the circuit number between MSC_b and the BSC3 should equal the sub-district number in the BSC3 zone so, is 2 in this example, and the circuit number between MSC_b and the BSC4 should equal the sub-district number in the BSC4 zone, is 2 in this example.Adopt and share land circuit, then the circuit number equals the BSC number that MSC_b administers, i.e. 2 shared land circuits 14,15.
If do not set up shared land circuit, the circuit number between MSC_a and the MSC_b should equal the sub-district number in the MSC_b scope so, is 4 in this example, adopts 13 of shared land circuits only to need one.Situation shown in the figure adopts the inventive method land circuit can be reduced to 5 from original 13.Save land circuit greatly, saved system resource.
BTS is a base station transceiver among the figure.
Claims (5)
1. use the method for land circuit in the cluster cellular communication system, it is characterized in that:
A. set up the mobile switching centre of voice group call service or Voice Broadcast Service, determined the service range of this voice group call service or Voice Broadcast Service;
B. respectively set up a shared land circuit between other mobile switching centres in mobile switching centre and the service range, set up a shared land circuit respectively between each mobile switching centre and its base station controller of administering in the service range.
2. use the method for land circuit in the cluster cellular communication system according to claim 1, it is characterized in that: in the described steps A, determining described service range, is that the coverage when signatory is determined according to the cluster group.
3. use the method for land circuit in the cluster cellular communication system according to claim 1, it is characterized in that also comprising among the described step B: base station controller will be shared on the land circuit from all four business tine mobile switching centre, that transmit at synchronization and duplicate to each radio traffic channel; Base station controller utilizes described shared land circuit, uses for the radio traffic channel input from each wireless terminal.
4. use the method for land circuit in the cluster cellular communication system according to claim 1, it is characterized in that: among the described step B,, use to the group calling promoter described shared land circuit fixed allocation for Voice Broadcast Service.
5. use the method for land circuit in the cluster cellular communication system according to claim 1, it is characterized in that: among the described step B,, use to the group calling promoter of application speech described shared land circuit dynamic assignment for voice group call service.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB03156772XA CN1315338C (en) | 2003-09-10 | 2003-09-10 | Method for using land circuit in cellular communication system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB03156772XA CN1315338C (en) | 2003-09-10 | 2003-09-10 | Method for using land circuit in cellular communication system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1595998A CN1595998A (en) | 2005-03-16 |
| CN1315338C true CN1315338C (en) | 2007-05-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB03156772XA Expired - Lifetime CN1315338C (en) | 2003-09-10 | 2003-09-10 | Method for using land circuit in cellular communication system |
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| Country | Link |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100426894C (en) * | 2006-09-07 | 2008-10-15 | 华为技术有限公司 | Method for initiating colony communication business |
| CN102045868B (en) * | 2009-10-19 | 2013-03-13 | 华为技术有限公司 | Processing method of GCR (Group Calling Register) content, MSCs (Mobile Switching Centers), GCR and communication system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997013383A1 (en) * | 1995-10-05 | 1997-04-10 | Robert Bosch Gmbh | Method of creating message connections for group and/or multiaddress calling |
| US6219548B1 (en) * | 1998-12-22 | 2001-04-17 | Ericsson Inc | Support for transfer of neighboring cell information between MSC areas for VGCS/VBS calls |
| CN1332939A (en) * | 1998-11-09 | 2002-01-23 | 卡纳尔股份有限公司 | Signalling of bouquet information in digital transmission system |
-
2003
- 2003-09-10 CN CNB03156772XA patent/CN1315338C/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997013383A1 (en) * | 1995-10-05 | 1997-04-10 | Robert Bosch Gmbh | Method of creating message connections for group and/or multiaddress calling |
| CN1332939A (en) * | 1998-11-09 | 2002-01-23 | 卡纳尔股份有限公司 | Signalling of bouquet information in digital transmission system |
| US6219548B1 (en) * | 1998-12-22 | 2001-04-17 | Ericsson Inc | Support for transfer of neighboring cell information between MSC areas for VGCS/VBS calls |
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| Publication number | Publication date |
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| CN1595998A (en) | 2005-03-16 |
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