CN101778437B - Method and device for inter-location area voice prioritization - Google Patents
Method and device for inter-location area voice prioritization Download PDFInfo
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Abstract
The embodiment of the invention discloses a method and a device for inter-local area voice prioritization. The method is implemented by the following steps of: receiving cell information, sent by a base station controller after terminal cell switching, of the switched terminal; and if the terminal is switched from a data service to a voice service, making a call according to the recently received cell information of switched terminal. In the technical scheme, the terminal is always in a service state, the base station controller, if users are switched, sends the cell information of the terminal to a mobile service switching centre (MSC) at the end of the switching, and when a voice call is made in MSC, a call is made according to the cell information of the terminal so as to find the terminal; and thus, the voice prioritization service is realized.
Description
Technical field
The present invention relates to communication technical field, particularly the method and apparatus of inter-location area voice prioritization.
Background technology
Code division multiple access inserts (Code Division Multiple Access; CDMA) the voice-and-data business can be accomplished in the 1X terminal, and the user receives voice paging when carrying out data service, data are moved to dormant state; Insert audio call; Again activating data service after audio call finishes, promptly the voice priority business is claimed accurate voice and packet data concurrent service again.1X refers to that CDMA 2000 eats dishes without rice or wine phase I of development process, be called the 1X Radio Transmission Technology (1X Radio Transmission Technology, 1XRTT).
In cdma system, data service is being carried out at the 1X terminal, during to have with this terminal be called audio call; If voice and packet data concurrent service is not supported at system and terminal, system is discharged into dormant state with the terminal, to voice paging under the terminal; Set up audio call and connect voice call; After voice call finished, system is activating data service again, and data service is proceeded at the terminal, and the speech business at terminal has precedence over data service in this process, is called the voice priority business.The voice priority business also can (General Micro Systems GMS) realizes in the network in the for example general microwave system of other mobile communications network.
The inventor finds in realizing process of the present invention: during following voice paging, (Location Area LA) carries out paging by the lane place of terminal registration before the release data business; Because the terminal is always in business state before; Can initiatively not initiate registration, when mobile cross-location district, the lane place that register at network side at the terminal has not been up-to-date actual position district; This moment, core net was forbidden the voice priority business, and network side will call failure as the called of speech business with the terminal.
Summary of the invention
The technical problem that the embodiment of the invention will solve provides the method and apparatus of inter-location area voice prioritization, and when being implemented in cross-location district, terminal and switching, it is preferential to carry out voice.
For solving the problems of the technologies described above, the method embodiment of inter-location area voice prioritization provided by the present invention can realize through following technical scheme:
Receive base station controller and switch the information that sub-district, place, back is switched at the terminal of sending the back in sub-district, place, terminal;
If said terminal switches to speech business from data service, the information of sub-district, place was carried out paging after switched at the terminal that then receives according to the last time.
A kind of mobile services switching centre comprises:
Receiving element is used to receive base station controller and switches the information that sub-district, place, back is switched at the terminal of sending the back in sub-district, place, terminal;
Paging unit is used for if said terminal is when data service switches to speech business, and the information of the sub-district, place, terminal that then receives according to the last time is carried out paging.
Technique scheme has following beneficial effect: the terminal is always when business state, if switching has taken place the user, during finishing switching; Base station controller can be issued mobile services switching centre (Mobile Services switching Center with the information that the terminal belongs to the sub-district; MSC), under the MSC during voice paging, can carry out paging according to the information that the terminal belongs to the sub-district; Find this terminal, thereby can realize the voice priority business.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work property, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the embodiment of the invention one a method flow sketch map;
Fig. 2 is the embodiment of the invention one a method flow sketch map;
Fig. 3 is the embodiment of the invention one a method flow sketch map;
Fig. 4 is the embodiment of the invention one a method flow sketch map;
Fig. 5 is the embodiment of the invention one a method flow sketch map;
Fig. 6 is the embodiment of the invention six MSC structural representations;
Fig. 7 is the embodiment of the invention six another MSC structural representations.
Embodiment
To combine the accompanying drawing in the embodiment of the invention below, the technical scheme in the embodiment of the invention is carried out clear, intactly description, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.
In mobile communications network, a lane place can comprise a plurality of sub-districts; In the preferential business of voice; Switch the minizone of terminal in a lane place; It is can access success that cell information before MSC use to switch is called out; But switching causes the cross-location district if the sub-district is carried out at the terminal, and the cell information before the MSC use is switched is so called out and can be called out and will fail.The embodiment of the invention will be directed to the terminal and carry out the situation that the sub-district incisal guide causes the cross-location district, propose the scheme that solves.
Embodiment one, and is as shown in Figure 1, and the embodiment of the invention provides a kind of method of inter-location area voice prioritization, comprising:
101: receive base station controller and switch the information that sub-district, place, back is switched at the terminal of sending the back in the sub-district at place, terminal;
The information of the sub-district, place, terminal that above-mentioned reception base station controller sends comprises: the cell list that receives the above-mentioned terminal Active Set of base station controller transmission; Above-mentioned cell list comprises the information of sub-district, place, above-mentioned terminal.Certainly the information of sub-district adopts other mode to carry the realization that does not also influence the embodiment of the invention, and the embodiment of the invention will not limit.
The scene that switch the sub-district can have: in soft handover, the base station controller between direct-cut operation, base station controller between soft handover, base station controller during at least one in the direct-cut operation, send the cell list of terminal Active Set in the base station controller.The subsequent implementation example is put up with these several scenes and is elaborated.
Particularly, the information of sub-district, place, above-mentioned terminal can switched execution (HandoffPerformed) message or switch and must carry in (Handoff Required) message; Certainly adopt other message to come the cell list of carried terminal Active Set also to be fine, do not influence the realization of the embodiment of the invention.
102: when data service switches to speech business, carry out paging according to the information of sub-district, place, above-mentioned terminal at above-mentioned terminal.
Above-mentioned information according to sub-district, terminal place is carried out paging and comprised: the information of the sub-district, place, above-mentioned terminal that reports for the last time according to base station controller is carried out paging.
Above-mentioned information according to sub-district, terminal place carries out also comprising before the paging: resolve above-mentioned switching and carry out message or switch the cell list that must message obtains above-mentioned terminal Active Set.
The up-to-date information of the sub-district at the place, terminal that comprises in the above-mentioned cell list particularly, is a sub-district or more than one sub-district; Then above-mentioned information according to sub-district, place, above-mentioned terminal is carried out paging and comprised: paging is carried out in all sub-districts that the up-to-date information of the sub-district at the place, terminal that in above-mentioned cell list, comprises comprises.
The executive agent of above execution mode can be MSC, and the terminal is always when business state, if switching has taken place the user; During finishing switching; Base station controller can be issued MSC with the information that the terminal belongs to the sub-district, under the MSC during voice paging, can carry out paging according to the information that the terminal belongs to the sub-district; Find this terminal, thereby can realize the voice priority business.
Below scene that the sub-district is switched carry out detailed explanation:
Base station controller (Base Station Center, BSC) BSC sends the cell information at terminal to MCS in the interior soft switching process, and is as shown in Figure 2, comprising:
201: mobile subscriber (Mobile Subscriber; MS) to base station sub-system (Base Stationsub-System; BSS) send Pilot Strength Measurement Message (Pilot Strength MeasurementMessage), the pilot frequency intensity of reporting objectives sub-district has surpassed the network specified threshold value.BSS comprise BSC and base station transceiver (Base Transceiver System, BTS).
202: if Target cell in this BSC, and BSC judgement initiates soft handover in BSC, BSC will distribute corresponding radio resource and connect call targets, send the forward traffic channel frame of sky to MS at Target cell.
203:BSS switches message (ExtendedHandoffDirection Message) to the expansion of MS sending direction on the air interface of cell-of-origin, new sub-district is increased in the Active Set.
204:MS sends MS acknowledgement command (MS Ack Order) in the cell-of-origin to BSS, as the response to Extended Handoff Direction Message.
205:MS sends reverse traffic channel frame (Reverse Traffic Channel Frames) or traffic channel preamble (Traffic Channel Preamble) to BSS.
206:MS sends handoff completion message (Handoff Completion Message) to BSS, and the successful result of extended handoff direction messages is handled in indication.
207:BSS sends BS acknowledgement command (BS Ack Order) to MS.
208:BSS sends to switch to MSC and carries out (Handoff Performed) message, and notice MSC has completed successfully soft handover one time.Cell list that can the carried terminal Active Set in the above-mentioned Handoff Performed message; Certain newly-built a piece of news comes the cell list of carried terminal Active Set also to be fine, and the mode of the cell list of above carried terminal Active Set should not be construed as the qualification to the embodiment of the invention.
Between BSC in the soft switching process BSC send the cell information at terminal to MCS, as shown in Figure 3, comprising:
301:MS sends Pilot Strength Measurement Message (Pilot Strength MeasurementMessage) to BSS, and the pilot frequency intensity of reporting objectives sub-district has surpassed the network specified threshold value.
302: if Target cell not in this BSC, source BSS judgement needs one or more sub-districts of target BS S that calling is supported, source BSS sends handoff request (A7-Handoff Request) message to target BS S.
303: target BS S connects (A3-Connect) message initialization A3 connection through sending to particular address.
304: source BSS responds connection response (A3-Connect Ack) message and connects to accomplish A3, and confirms to have the sub-district that requires in the A3-Connect message.
305: source BSS begins to send primary channel forward business frame (A3-CE DataForward) forward frame to target BS S.
306: in case target BS S just begins to MS transmission forward frame (Forward Frames) synchronously.
307: after first forward frame of receiving from source BSS, target BS S begins to send the reverse idle frame of primary channel reverse traffic frame (A3-CE Data Reverse), and this reverse frames comprises the synchronous necessary timing alignment information that obtains.
308: target BS S sends handoff request to source BSS and replys (A7-Handoff Request Ack) message, and indication increases the operation success of sub-district.
309: target BS S and source BSS are when the A3 traffic sub channel is synchronous; If source BSS requires target BS S to inform its transmission and receives the zero hour of data, then target BS S responds A3-Connect Ack message through traffic aisle state (A3-TrafficChannel Status) message.
310: source BSS switches message (Extended Handoff DirectionMessage) to the expansion of MS sending direction, and new sub-district is increased in the Active Set.
311:MS responds MS acknowledgement command (MS Ack Order).
312:MS sends handoff completion message (Handoff Completion Message) to source BSC, and the success of Extended Handoff Direction Message message is handled in indication.
313: source BSS confirms the reception of HandoffCompletion Message through sending BS acknowledgement command (BS Ack Order).
314: source BSS sends to switch and carries out (Handoff Performed) message to MSC, and HandoffPerformed message can be sent in any time after source BS receives handoff completion message.Cell list that can the carried terminal Active Set in the above-mentioned HandoffPerformed message; Certain newly-built a piece of news comes the cell list of carried terminal Active Set also to be fine, and the mode of the cell list of above carried terminal Active Set should not be construed as the qualification to the embodiment of the invention.
BSC sends the cell information at terminal to MCS in the interior direct-cut operation of BSC, and is as shown in Figure 4, comprising:
401:MS sends Pilot Strength Measurement Message (Pilot Strength MeasurementMessage) to BSS, and the pilot frequency intensity of reporting objectives sub-district has surpassed the network specified threshold value.
402: if Target cell in this BSC, and BSC judgement initiates direct-cut operation in BSC, BSC will distribute corresponding radio resource and connect call targets, send the forward traffic channel frame of sky to MS at Target cell.
403:BSS sends switch indicating information (HandoffDirection Message) to MS on the air interface of cell-of-origin.
404:MS sends MS acknowledgement command (MS Ack Order) as response in the cell-of-origin to BSS.
405:MS sends reverse traffic channel frame (Reverse Traffic Channel Frames) or traffic channel preamble (Traffic Channel Preamble) to BSS.
406:MS sends handoff completion message (Handoff CompletionMessage) at Target cell to BSS.
407:BSS sends BS acknowledgement command (BS Ack Order) at Target cell to MS, and MS switches to new sub-district.
408:BSS sends to switch to MSC and carries out (Handoff Performed) message, and notice MSC has completed successfully direct-cut operation one time.Cell list that can the carried terminal Active Set in the above-mentioned HandoffPerformed message; Certain newly-built a piece of news comes the cell list of carried terminal Active Set also to be fine, and the mode of the cell list of above carried terminal Active Set should not be construed as the qualification to the embodiment of the invention.
Between BSC in the direct-cut operation BSC send the cell information at terminal to MCS, as shown in Figure 5, comprising:
501:MS sends Pilot Strength Measurement Message (Pilot Strength MeasurementMessage) to source BSS, and the pilot frequency intensity of reporting objectives sub-district has surpassed the network specified threshold value.
502: source BSS sends necessary (Handoff Required) message of the switching of carrying cell list to MSC, and request proceeds to the direct-cut operation of Target cell.Cell list that can the carried terminal Active Set in the above-mentioned Handoff Required message; Certain newly-built a piece of news comes the cell list of carried terminal Active Set also to be fine, and the mode of the cell list of above carried terminal Active Set should not be construed as the qualification to the embodiment of the invention.
503: switch to direct-cut operation owing to indicated in the Handoff Required message, so MSC sends handoff request (Handoff Request) message to target BS S.
504: after receiving the Handoff Request message of MSC, target BS S distributes corresponding radio resource and connects call targets according to the indication in the message, sends empty forward traffic channel frame to MS.
505: target BS S sends handoff request to MSC and replys (Handoff Request Ack) message, and waits for that MS arrives the wireless channel that is distributed.
BSS sends switching command (Handoff Command) to the switching of target BS S and to source BSS from the source in the 506:MSC preparation.
507: source BSS sends switch indicating information (Handoff DirectionMessage) to MS on the interface aloft.
508:MS sends MS acknowledgement command (MS Ack Order) as response to source BSS.
509: source BSS sends to MSC and switches beginning (Handoff Commenced) message, notice MSC, and MS is switched to target BS S channel by order.
510:MS sends reverse traffic channel frame (Reverse Traffic Channel Frames) or traffic channel preamble (Traffic Channel Preamble) to target BS S.
511:MS sends handoff completion message (Handoff Completion Message) to target BS S.
512: target BS S sends BS acknowledgement command (BS Ack Order) to MS.
513: target BS S sends to switch to MSC and accomplishes (HandoffComplete) message, notice MSC, and MS has completed successfully direct-cut operation.
514:MSC sends clear command (Clear Command) to source BSS, and the release of all resources is all passed through clear command message and accomplished.
515: source BSS sends to remove to MSC and accomplishes (Clear Complete) message, and notice MSC resource discharges to be accomplished.
Embodiment six, and is as shown in Figure 6, and the embodiment of the invention also provides a kind of mobile services switching centre, comprising:
Receiving element 601 is used to receive base station controller and switches the information that sub-district, place, back is switched at the terminal of sending the back in sub-district, place, terminal;
Corresponding, base station controller switches in the sub-district that send at the terminal that gets access under it, then sends the information that sub-district, place, back is switched at the terminal to MSC.MSC just can get access to the correct information of sub-district, current place, terminal like this.
Particularly, above-mentioned sub-district switching comprises: at least one in the direct-cut operation between soft handover, base station controller between the interior soft handover of base station controller, the interior direct-cut operation of base station controller, base station controller.
Paging unit 602 is used for if above-mentioned terminal is when data service switches to speech business, and the information of the sub-district, place, terminal that then receives according to the last time is carried out paging.
In the foregoing description, the terminal is always when business state, if switching has taken place the user; During finishing switching; Base station controller can be issued MSC with the information that the terminal belongs to the sub-district, under the MSC during voice paging, can carry out paging according to the information that the terminal belongs to the sub-district; Find this terminal, thereby can realize the voice priority business.
Alternatively, the embodiment of the invention also provides the mode of specifically carrying of the information of sub-district, place, terminal:
The information of sub-district, place, above-mentioned terminal is being switched execution message or is being switched and must carry in the message; As shown in Figure 7, also comprise:
Information acquisition unit 701 is used to resolve above-mentioned switching and carries out message or switch and must message obtain the information that sub-district, place, back is switched at above-mentioned terminal.
Particularly, the embodiment of the invention also provides another kind of mode to come the information of sub-district, carried terminal place: above-mentioned receiving element 601 specifically is used to receive the cell list of the above-mentioned terminal Active Set that base station controller sends; Above-mentioned cell list comprises the up-to-date information of sub-district, place, above-mentioned terminal.
More than for the mode of carrying of cell information, adopting the mode of cell list to carry not is the exhaustive of the mode of carrying, and should not be construed as the qualification to the embodiment of the invention.
One of ordinary skill in the art will appreciate that all or part of step that realizes in the foregoing description method is to instruct relevant hardware to accomplish through program; Said procedure can be stored in a kind of computer-readable recording medium; The above-mentioned storage medium of mentioning can be a read-only memory, disk or CD etc.
More than the method and apparatus of the inter-location area voice prioritization that the embodiment of the invention provided has been carried out detailed introduction; Used concrete example among this paper principle of the present invention and execution mode are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, the part that on embodiment and range of application, all can change, to sum up, this description should not be construed as limitation of the present invention.
Claims (6)
1. the method for an inter-location area voice prioritization is characterized in that, comprising:
Receive base station controller and switch the information that sub-district, place, back is switched at the terminal of sending the back in sub-district, place, terminal; The information of sub-district, place, said terminal is being switched execution message or is being switched and must carry in the message;
Resolving said switching carries out message or switches and must message obtain the information that sub-district, place, back is switched at said terminal;
If said terminal switches to speech business from data service, the information of sub-district, place was carried out paging after switched at the terminal that then receives according to the last time.
2. according to the said method of claim 1, it is characterized in that the switching of said sub-district comprises: at least one in the direct-cut operation between soft handover, base station controller between the interior soft handover of base station controller, the interior direct-cut operation of base station controller, base station controller.
3. according to claim 1 or 2 said methods, it is characterized in that the information that receives the sub-district, place, terminal of base station controller transmission comprises:
Receive the cell list of the said terminal Active Set of base station controller transmission; Said cell list comprises the information of sub-district, place, said terminal.
4. a mobile services switching centre is characterized in that, comprising:
Receiving element is used to receive base station controller and switches the information that sub-district, place, back is switched at the terminal of sending the back in sub-district, place, terminal; The information of sub-district, place, said terminal is being switched execution message or is being switched and must carry in the message;
Information acquisition unit is used to resolve said switching and carries out message or switch and must message obtain the information that sub-district, place, back is switched at said terminal;
Paging unit is used for if said terminal is when data service switches to speech business, and the information of the sub-district, place, terminal that then receives according to the last time is carried out paging.
5. according to claim 4 mobile services switching centre, it is characterized in that the switching of said sub-district comprises: at least one in the direct-cut operation between soft handover, base station controller between the interior soft handover of base station controller, the interior direct-cut operation of base station controller, base station controller.
6. according to claim 4 or 5 said mobile services switching centres, it is characterized in that,
Said receiving element specifically is used to receive the cell list of the said terminal Active Set that base station controller sends; Said cell list comprises the information of sub-district, place, said terminal.
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| CN201010001043A CN101778437B (en) | 2010-01-19 | 2010-01-19 | Method and device for inter-location area voice prioritization |
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| CN1568053A (en) * | 2003-07-03 | 2005-01-19 | 华为技术有限公司 | A method for implementing location update registration |
| CN101064928A (en) * | 2006-04-25 | 2007-10-31 | 华为技术有限公司 | Method for realizing position register update |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1568053A (en) * | 2003-07-03 | 2005-01-19 | 华为技术有限公司 | A method for implementing location update registration |
| CN101064928A (en) * | 2006-04-25 | 2007-10-31 | 华为技术有限公司 | Method for realizing position register update |
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