CN101351036A - Method for implicitly releasing wireless load-bearing when switching transmission mode and system thereof - Google Patents
Method for implicitly releasing wireless load-bearing when switching transmission mode and system thereof Download PDFInfo
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Abstract
The invention provides a method for implicitly releasing radio bearing when switching send mode and a system thereof; wherein, in the method, a radio network controller (RNC) judges the necessity of switching the send mode from PTM to PTP or None and sets the activity of a UE corresponding to the business to be request PTP RB or None in the next period; the UE releases the self-PTM RB without receiving the PTM RB message explicitly released by the RNC. The method and the system can simplify the process of releasing radio bearing and ensuring timely release of the resource without interrupting the business. When the send mode switch is judged, the business information needs to be changed only once; later, the business can be transferred to MBMS non-modified messages to be sent without being read by the UE, thus achieving the purpose of saving power for the UE.
Description
Technical field
The present invention relates to the communications field, particularly, relate in Wideband Code Division Multiple Access (WCDMA) (WCDMA) mobile communication system, implicit expression discharged multimedia broadcast-multicast service (Multimedia Broadcast Multicast Service, the MBMS) method of radio bearer when send mode switched.
Background technology
Multimedia broadcast/group broadcast service (MBMS) is a kind of shared network resource transmits data to a plurality of targets from a data source a technology.In traditional mobile network, cell broadcaste service (Cell Broadcast Service, CBS) allowing low bit rate data to share broadcast channel by the sub-district sends to all users, belong to information series business, (Short Message Service, SMS) cell broadcaste service uses CBS to have only short message service in R99.
In order to effectively utilize mobile network resource, 3GPP has proposed MBMS in R6, MBMS provides a data source to send the point-to-multipoint service of data to a plurality of users in the mobile network, it has realized that Internet resources are shared, has improved the especially utilance of valuable air interface resource of Internet resources.MBMS can not only realize the classes of messages multicast and the broadcasting of plain text low rate, and can also realize the multicast and the broadcasting of high-speed multimedia business, multiple rich video, audio frequency and multimedia service are provided, this has complied with the trend of following mobile data development undoubtedly, for the development of 3G provides more wide professional prospect.
Broadcast multicast service center (Broadcast/Multicast Service Centre, BM-SC) be newly-increased mobile network functional entity, it is content provider's a inlet, be used for authorizing and initiating the MBMS bearer service at mobile network, and plan transmits the MBMS content to schedule.
To existing WCDMA Packet Based Network functional entity: gateway GPRS supporting node (GGSN) (General Packet Radio Service Gateway Support Node, GGSN), service universal grouping wireless business supporting node (Serving General PacketRadio Service Support Node, SGSN), wireless access network (Radio Access Net, RAN) and subscriber equipment (User Equipment, UE), also need to increase correlation function and the process of MBMS.
The MBMS business has two kinds of service bearing modes, that is, and and broadcast mode and multicast pattern.Multicast pattern needs user's corresponding multicast group of contracting, and carries out activation of service, and produces corresponding charge information.Because it is different that multicast pattern and broadcast mode exist, cause also difference of its operation flow on business demand.
In MBMS multicast service flow process, it is two independently processes that the user adds that multicast group and session begin, and promptly the user can be in the adding multicast group whenever in the middle of session begin to carry out with session.
The MBMS business has two kinds of send modes: point-to-point (point to point, PTP) and put multiple spot (point to multipoint, PTM).Pass through dedicated logical channel (Dedicated Traffic Channel under the PTP transmission means, DTCH) transmission data, be mapped to forward access channel (Forward Access Channel, FACH), dedicated channel (DedicatedChannel, DCH) or high speed descending sharing channel (High-Speed Downlink SharedChannel, HS-DSCH) on, have only a UE to receive; Transmit data by MBMS PTM (Multimedia Broadcast/Multicast Service point tomultipoint) Traffic Channel MTCH under the PTM mode, be mapped on the FACH, can receive by a plurality of UE.
Determine that at present send mode generally adopts the method for counting, when session begins, network side enabling counting process, the UE number of this MBMS business of reception adopts the PTP mode more after a little while in the sub-district, otherwise adopts the PTM mode.If do not have UE receiving, can not send.
Carry out in the process in session, if adopted the PTM mode to send, can also adopt the method for restatement number, the UE number of this MBMS business of reception is transformed into the PTP mode by the PTM mode more after a little while in the sub-district, can effectively utilize resource like this.Detailed process can be with reference to Fig. 1.When the UE number that receives this MBMS business in the sub-district is 0, can switch to None by the PTM mode, promptly do not send.
After the send mode successful conversion, UE no longer needs to receive the MBMS business by the PTM mode, therefore needs to discharge PTM radio bearer (Radio Bearer is called for short RB).
UE discharges the mode agreement of PTM RB and has stipulated two kinds, and a kind of is explicit release, and a kind of is that implicit expression discharges.
Explicit release needs radio network controller (RNC, Radio NetworkController) to discharge by MBMS service message indication UE; And implicit expression release does not need RNC to indicate, if UE detects and do not have corresponding business information in the MBMS service message, then discharges MBMS RB.
When switching to PTP by PTM, still need comprise this business information in the MBMS business information, so according to the description of agreement, UE discharges PTM RB can only pass through explicit way.Like this, when conversion, the switching that RNC control UE carries out send mode has two kinds of methods.The one, discharge PTM RB earlier and set up PTP RB again, another is to set up PTPRB earlier to discharge PTM RB again.
Suppose to carry out the switching of PTM to the PTP send mode n modification cycle RNC judgement, according to method one, RNC need be set to Release PTM RB in the professional corresponding UE behavior of n+1 modification cycle, after UE receives explicit release PTM RB message, discharge PTM RB, professional corresponding UE behavior is set to Request PTP RB n+2 modification cycle, and PTP RB is set up in the UE request, RB successfully sets up, and UE receives the MBMS that sends in the PTP mode.
According to method two, RNC need be set to Request PTP RB in the professional corresponding UE behavior of n+1 modification cycle, PTP RB is set up in the UE request, RB successfully sets up at least need be set to ReleasePTM RB in the professional corresponding UE behavior of n+2 modification cycle, after UE receives explicit release PTM RB message, discharge PTM RB, professional corresponding UE behavior is set to Request PTP RB n+3 modification cycle,, the send mode that shows this MBMS of this sub-district is PTP.
Method one is for RNC, the message cell change into twice, but owing to discharge PTM RB earlier and set up PTP RB business again and have interruption unavoidably; Method two is for RNC, changing into three times of message cell, the UE side is set up successfully from PTP RB, and back PTM RB keeps a modification cycle at least, be that a modification cycle could discharge resource at least excessively, because this professional information is changing always, need revise service message by MBMS and send, UE will read this business information at every turn.
When switching to None by PTM, still need comprise business information in the MBMS business information, so according to the description of agreement, UE discharges PTM RB can only pass through explicit way.
Suppose that need carry out PTM n modification cycle RNC judgement switches to None, RNC need be set to ReleasePTM RB in the professional corresponding UE behavior of n+1 modification cycle, after UE receives explicit release PTM RB message, discharge PTM RB, professional corresponding UE behavior is set to None n+2 modification cycle.
Therefore, there are the following problems for the method for explicit release PTM RB when above-mentioned send mode switched: the change number of times of message cell is more, and flow process is comparatively complicated, can not guarantee in time to discharge under the unbroken situation of business resource in addition.
Summary of the invention
According to the present invention, provide a kind of method of implicitly releasing wireless load-bearing when switching transmission mode.
This method comprises following processing: radio network controller judges and need put the multiple spot send mode to the point-to-point send mode or not during the switching of send mode, correspondingly is set to ask point-to-point wireless to carry or None the behavior of the subscriber equipment of professional correspondence in the next one cycle of revising; Under predetermined condition, subscriber equipment discharges the P-T-M wireless loading of self.
Put the multiple spot send mode under the situation of the switching of point-to-point send mode at needs, predetermined condition is: user equipment requests is set up the point-to-point wireless carrying, and has successfully set up the point-to-point wireless carrying.
Put the multiple spot send mode under the situation that send mode not switches at needs, predetermined condition is: it is that corresponding business information is arranged in the MBMS service message that subscriber equipment detects multimedia broadcast-multicast service, and send mode is send mode not.
Wherein, subscriber equipment under situation without the explicit releasing P-T-M wireless loading message that receives radio network controller, direct releasing P-T-M wireless loading.
In addition, revise the cycle at the above-mentioned next one, radio network controller is that MBMS modification service message sends business information by multimedia broadcast-multicast service, and the behavior of subscriber equipment is set by the cell that professional correspondence in the MBMS modification service message is set.And radio network controller need not to change the behavior of subscriber equipment again after the behavior of subscriber equipment is set to ask point-to-point wireless carrying or None.Afterwards, in the cycle of next modification again that the above-mentioned next one is revised all after dates, radio network controller sends business information by the non-modification service message of MBMS.
According to the present invention, also provide a kind of system of implicitly releasing wireless load-bearing when switching transmission mode.
This system comprises: module is set, be positioned at the radio network controller side, be used to be provided with the behavior of subscriber equipment, wherein, judge when radio network controller and need put the multiple spot send mode, the behavior that module revises the subscriber equipment of professional correspondence of cycle at the next one is set is set to ask point-to-point wireless to carry or None to the point-to-point send mode or not during the switching of send mode; The radio bearer release module is positioned at user equipment side, is used for releasing P-T-M wireless loading.This system further comprises: radio bearer is set up module, is positioned at user equipment side, is used for request and sets up the point-to-point wireless carrying;
Put the multiple spot send mode under the situation of the switching of point-to-point send mode at needs, when user equipment requests is set up point-to-point wireless carrying, and when successfully having set up the point-to-point wireless carrying, radio bearer release module releasing P-T-M wireless loading; Put the multiple spot send mode under the situation that send mode does not switch at needs, when subscriber equipment detects multimedia broadcast-multicast service is that corresponding business information is arranged in the MBMS service message, and send mode is during for send mode not, radio bearer release module releasing P-T-M wireless loading.
Wherein, the radio bearer release module under the situation of the explicit releasing P-T-M wireless loading message that receives radio network controller without subscriber equipment, direct releasing P-T-M wireless loading.
By the present invention, can simplify the flow process of releasing wireless loading, and can guarantee under the unbroken situation of business, in time to discharge resource.When the judgement send mode switched, business information only changed once, just business can be changed in the non-modification message of MBMS later to send, and UE not necessarily reads this business information, makes the UE purpose of power saving thereby reach.
Other features and advantages of the present invention will be set forth in the following description, and, partly from specification, become apparent, perhaps understand by implementing the present invention.Purpose of the present invention and other advantages can realize and obtain by specifically noted structure in the specification of being write, claims and accompanying drawing.
Description of drawings
Accompanying drawing is used to provide further understanding of the present invention, and constitutes the part of specification, is used from explanation the present invention with embodiments of the invention one, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the flow chart of handling according to the professional restatement number of the MBMS of prior art;
Fig. 2 is the flow chart of radio bearer method for releasing when switching according to the send mode of the inventive method embodiment;
Fig. 3 is the detailed process flow chart of method example one shown in Figure 2;
Fig. 4 is the detailed process flow chart of method example two shown in Figure 2; And
Fig. 5 is the block diagram of the send mode of system according to the invention embodiment radio bearer delivery system when switching.
Embodiment
Below in conjunction with accompanying drawing the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein only is used for description and interpretation the present invention, and be not used in qualification the present invention.
Method embodiment
According to the embodiment of the invention, the method of a kind of implicitly releasing wireless load-bearing when switching transmission mode (RB) is provided, and more specifically, provide a kind of from put multiple spot (PTM) send mode to point-to-point (PTP) send mode or when send mode (None) switches UE implicit expression discharge the method for RB.
As shown in Figure 2, this method comprises following processing:
Step S202, radio network controller (RNC) judge and need carry out PTM to the PTP send mode or not during the switching of send mode (None), in the next one cycle of revising the behavior of professional corresponding UE correspondingly is set to ask PTP RB or None;
Step S204, under predetermined condition, UE discharges the PTM RB of self, and does not need to receive the explicit release PTM RB message of RNC.
Particularly, in step S204, from PTM when the PTP send mode switches, predetermined condition is: PTP RB is set up in UE request, and after successfully having set up PTP RB; And from the PTM send mode under the situation that send mode not switches, predetermined condition is: it is that corresponding business information is arranged in the MBMS service message that UE detects multimedia broadcast-multicast service, and send mode is None.
In addition, in step S202, revise the cycle at the above-mentioned next one, RNC is that MBMS modification service message sends business information by multimedia broadcast-multicast service, and the behavior of UE is set by the cell that professional correspondence in the MBMS modification service message is set.And RNC need not to change the behavior of UE again after the behavior of UE is set to ask PTP RB.
Afterwards, in the cycle of next modification again that the above-mentioned next one is revised all after dates, RNC sends business information by the non-modification service message of MBMS, and UE not necessarily reads this business information, makes the UE purpose of power saving thereby reach.
Below with reference to example different disposal under the different send mode handoff scenario is described.
Example 1: from of the switching of PTM send mode to the PTP send mode
Fig. 3 shows the detailed process flow process under this scene, as shown in Figure 3:
Step S302, RNC judgement the carrying out switching of PTM to the PTP send mode.
Step S304, revise the cycle at the next one, revise service message (MBMS Modified Services Information) by MBMS and send business information, and corresponding professional cell " MBMS required UE action " is set to " Request PTP RB ".
Step S306, PTP RB is set up in the UE request.
After step S308, RB successfully set up, UE discharged PTM RB, received the MBMS that sends in the PTP mode.
Step S310, revise the cycle at the next one, send business information by the non-modification message of MBMS (MBMSUnModified Services Information), corresponding professional cell " MBMS required UE action " is set to " Request PTP RB " (that is, RNC need not to change the behavior setting of UE).
Example 2: from the PTM send mode to the not switching of send mode (None)
Fig. 4 shows the detailed process flow process under this scene, as shown in Figure 4:
Step S402, RNC judgement the carrying out switching of PTM send mode to None.
Step S404 revises the cycle at the next one, revises service message (MBMS Modified Services Information) by MBMS and sends business information, and corresponding professional cell " MBMS required UE action " is set to " None ".
Step S406, UE detect in the MBMS modification service message corresponding business information, and send mode is None;
Step S408, UE discharges PTM RB.
Step S410, revise the cycle at the next one, send business information by the non-modification message of MBMS (MBMSUnModified Services Information), corresponding professional cell " MBMS required UE action " is set to " None " (that is, RNC need not to change the behavior setting of UE).
System embodiment
According to the embodiment of the invention, provide a kind of system of implicitly releasing wireless load-bearing when switching transmission mode.
As shown in Figure 5, according to this system of the embodiment of the invention comprise be positioned at the RNC side module 502 is set, and be positioned at UE side radio bearer release module 506.Preferably, comprise that further being positioned at UE side radio bearer sets up module 504.Preferably, this system can be used for implementing the method for the implicitly releasing wireless load-bearing when switching transmission mode that above method embodiment describes.
Below will describe each above-mentioned module in detail.
At first, module 502 is set, is positioned at the RNC side, be used to be provided with the behavior of UE, wherein, need carry out PTM to the PTP send mode or not during the switching of send mode, module to be set the behavior of professional corresponding UE correspondingly to be set to ask PTP RB or None in the next one cycle of revising when RNC judges.
Wherein, revise the cycle at the above-mentioned next one, RNC is that MBMS modification service message (MBMS Modified Services Information) sends business information by multimedia broadcast-multicast service, and module 502 is provided with UE by the cell that professional correspondence in the MBMS modification service message is set behavior is set, for example, corresponding professional cell " MBMS required UE action " is set to " Request PTP RB " or " None ".Module 502 is set after the behavior of UE is set to ask PTP RB, need not to change again the behavior of UE.
Radio bearer is set up module 504, is positioned at the UE side, is used for request and sets up PTP RB.
Radio bearer release module 506 is positioned at the UE side, is used to discharge PTM RB.Wherein, radio bearer release module 506 directly discharges PTM RB under the situation of the explicit release PTM RB message that receives RNC without UE.
Wherein, carry out the PTM send mode under the situation of the switching of PTP send mode at needs, when PTP RB is set up in UE request, and when successfully having set up PTP RB, the radio bearer release module discharges PTM RB; Carries out the PTM send mode under the situation that None switches at needs, corresponding business information is arranged in the MBMS service message, and send mode is when being None that the radio bearer release module discharges PTM RB when UE detects.
The cycle of next modification again after the above-mentioned next one is revised the cycle, (UE not necessarily reads this business information to RNC to send business information by the non-modification service message of MBMS (MBMS UnModified Services Information), make the UE purpose of power saving thereby reach), and this moment be provided with module 502 still the behavior of UE be set to ask PTP RB or None.
By means of such scheme, can simplify the flow process of releasing wireless loading, and can guarantee under the unbroken situation of business, in time to discharge resource according to the embodiment of the invention.When the judgement send mode switched, business information only changed once, just business can be changed in the non-modification message of MBMS later to send, and UE not necessarily reads this business information, makes the UE purpose of power saving thereby reach.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. the method for an implicitly releasing wireless load-bearing when switching transmission mode is characterized in that:
Radio network controller judges and need put the multiple spot send mode to the point-to-point send mode or not during the switching of send mode, correspondingly is set to ask point-to-point wireless to carry or None the behavior of the subscriber equipment of professional correspondence in the next one cycle of revising; And
Under predetermined condition, described subscriber equipment discharges the P-T-M wireless loading of self.
2. the method for implicitly releasing wireless load-bearing when switching transmission mode according to claim 1, it is characterized in that, put the multiple spot send mode under the situation of the switching of point-to-point send mode at needs, described predetermined condition is: described user equipment requests is set up the point-to-point wireless carrying, and has successfully set up the point-to-point wireless carrying.
3. the method for implicitly releasing wireless load-bearing when switching transmission mode according to claim 1, it is characterized in that, put the multiple spot send mode under the situation that send mode does not switch at needs, described predetermined condition is: it is that corresponding business information is arranged in the MBMS service message that described subscriber equipment detects multimedia broadcast-multicast service, and send mode is send mode not.
4. according to the method for claim 2 or 3 described implicitly releasing wireless load-bearing when switching transmission modes, it is characterized in that, described subscriber equipment directly discharges described P-T-M wireless loading under the situation without the explicit releasing P-T-M wireless loading message that receives described radio network controller.
5. according to the method for claim 2 or 3 described implicitly releasing wireless load-bearing when switching transmission modes, it is characterized in that, in the described next modification cycle, described radio network controller is that MBMS modification service message sends business information by multimedia broadcast-multicast service, and the behavior of described subscriber equipment is set by the cell that professional correspondence in the described MBMS modification service message is set.
6. according to the method for claim 2 or 3 described implicitly releasing wireless load-bearing when switching transmission modes, it is characterized in that, described radio network controller need not to change the behavior of described subscriber equipment again after the behavior of described subscriber equipment is set to ask point-to-point wireless carrying or None.
7. the method for implicitly releasing wireless load-bearing when switching transmission mode according to claim 6 is characterized in that:
In the described next cycle of next modification again of revising all after dates, described radio network controller sends business information by the non-modification service message of MBMS.
8. the system of an implicitly releasing wireless load-bearing when switching transmission mode is characterized in that, comprising:
Module is set, be positioned at the radio network controller side, be used to be provided with the behavior of subscriber equipment, wherein, judge when radio network controller and need put the multiple spot send mode that the described module that is provided with correspondingly is set to ask point-to-point wireless to carry or None the behavior of the subscriber equipment of professional correspondence in the next one cycle of revising to the point-to-point send mode or not during the switching of send mode;
Radio bearer is set up module, is positioned at user equipment side, is used for request and sets up the point-to-point wireless carrying; And
The radio bearer release module is positioned at user equipment side, is used for releasing P-T-M wireless loading.
9. the system of implicitly releasing wireless load-bearing when switching transmission mode according to claim 8 is characterized in that,
Put the multiple spot send mode under the situation of the switching of point-to-point send mode at needs, when described user equipment requests is set up the point-to-point wireless carrying, and successfully set up point-to-point wireless when carrying, described radio bearer release module discharges described P-T-M wireless loading;
Put the multiple spot send mode under the situation that send mode does not switch at needs, when described subscriber equipment detects multimedia broadcast-multicast service is that corresponding business information is arranged in the MBMS service message, and send mode is during for send mode not, and described radio bearer release module discharges described P-T-M wireless loading.
10. the system of implicitly releasing wireless load-bearing when switching transmission mode according to claim 8, it is characterized in that, described radio bearer release module directly discharges described P-T-M wireless loading under the situation of the explicit releasing P-T-M wireless loading message that receives described radio network controller without described subscriber equipment.
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| CN200710135837A CN101351036B (en) | 2007-07-16 | 2007-07-16 | Method for implicitly releasing wireless load-bearing when switching transmission mode, and system thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015096736A1 (en) * | 2013-12-25 | 2015-07-02 | 电信科学技术研究院 | Method for processing group communication service, user equipment, network side device and system |
| CN111757408A (en) * | 2017-07-24 | 2020-10-09 | 展讯通信（上海）有限公司 | Call switching method and device, storage medium, base station and terminal |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4127052B2 (en) * | 2003-01-10 | 2008-07-30 | 日本電気株式会社 | Content distribution system, network, and channel switching control method |
| CN1571532A (en) * | 2003-07-15 | 2005-01-26 | 北京三星通信技术研究有限公司 | Method of point-to-point and point-to-multipoint conversion in multimedia broadcasting and multicast service |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015096736A1 (en) * | 2013-12-25 | 2015-07-02 | 电信科学技术研究院 | Method for processing group communication service, user equipment, network side device and system |
| CN111757408A (en) * | 2017-07-24 | 2020-10-09 | 展讯通信（上海）有限公司 | Call switching method and device, storage medium, base station and terminal |
| CN111757408B (en) * | 2017-07-24 | 2022-02-22 | 展讯通信（上海）有限公司 | Call switching method and device, storage medium, base station and terminal |
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| CN101351036B (en) | 2012-09-05 |
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