CN1921639A - Method for responding request of MBMS point to point collection building - Google Patents
Method for responding request of MBMS point to point collection building Download PDFInfo
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- CN1921639A CN1921639A CNA200510092561XA CN200510092561A CN1921639A CN 1921639 A CN1921639 A CN 1921639A CN A200510092561X A CNA200510092561X A CN A200510092561XA CN 200510092561 A CN200510092561 A CN 200510092561A CN 1921639 A CN1921639 A CN 1921639A
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Abstract
The invention relates to a multimedia broadcast/multicast service, especially a method for responding MBMS point-to-point connection request, to avid error at responding, save system resource and reduce time delay. Wherein, when the user at CELL_DCH state receives the PTP RB connection request, it checks if it is group domain connecting state, if it is, redistributing present PTP RB, or else, demanding superior to build PMM connection to build response or use the data channel connected to present CS domain to transmit PTP MBMS service.
Description
Technical field
The present invention relates to multimedia broadcast/group broadcast service, particularly point-to-point is connected the request responding method of setting up.
Background technology
Through nearly fast development decades, the crowd that mobile communication is popularized is more and more wider, but the business that it provided is still based on phone and message.Along with the fast development of internet (Internet), a large amount of multimedia services emerge in large numbers synchronously, and people obviously also require mobile communication also to support multimedia service.The a plurality of users of some multimedia service application requirements that the internet provides receive identical data simultaneously, as video request program, television broadcasting, video conference, online education, interactive game etc., on cable network, can adopt internetworking agreement (Internet Protocol at present, abbreviation " IP ") multicast and broadcast technology realize, but these business are transplanted on the mobile network, compare with general data, because it is big that these business have data volume, longer duration, characteristics such as delay sensitive, and mobile network has the particular network structure, functional entity and wave point etc., existing IP multicast and broadcast technology can not be directly applied for mobile network.
In order to effectively utilize the mobile network resource, realize the application of mobile multi-media service, third generation partner program (3rd Generation Partnership Project, abbreviation " 3GPP ") multimedia broadcast-multicast service (Multimedia Broadcast/Multicast Service has been proposed, be called for short " MBMS "), be used for providing a data source to send the point-to-multipoint service of data to a plurality of users at mobile network.
With regard to transmission mode, the MBMS business has two kinds of patterns when transmitting between UTRAN and UE: put multiple spot (PTM) pattern and point-to-point (PTP) pattern.Point passes through MBMS point-to-multipoint service channel (MBMS Point-to-Multipoint Traffic Channel to multiple spot (PTM) pattern, be called for short " MTCH ") send identical data, all add multicast service or can receive the interested UE of broadcasting service; Point-to-point (PTP) pattern sends data by DTCH (Dedicated Traffic Channel) logic channel, has only a corresponding UE to receive.For a professional beginning initial stage, have a counting process (counting procedure) and go to help network side to determine the transmission mode that this is professional.For the user who just monitors MCCH from beginning, with multi-form response count, and receive to multiple spot (PTM) or point-to-point (PTP) pattern with point according to the judgement of network side according to state separately.Network side can regularly carry out the operation of restatement number to judge whether present transmission mode is optimum.After having begun transmission for business, select to add access customer, only need go to connect just passable according to a transmission mode of having reserved.
Fig. 1 illustrates the reference configuration model of MBMS system.As shown in the figure, the reference model of MBMS system is compared with conventional system, increased the mobile network functional entity newly, be broadcast multicast service center (Broadcast-Multicast Service Centre, be called for short " BM-SC "), 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.In addition, other related functional entities also strengthens in the network, has increased the relevant function of MBMS.The MBMS of 3GPP definition can not only realize the classes of messages broadcasting and the multicast of plain text low rate, and can also realize the broadcasting and the multicast of high-speed multimedia business.
The entire flow that the user receives certain MBMS broadcasting service as shown in Figure 2, at first, in step 210, service statement (Service announcement) is notified user MBMS the relevant information of business; In step 220, session begins (Session Start), and BM-SC is ready for sending data; Then, in step 230, MBMS notifies (Notification), and promptly radio network controller (Radio NetworkController is called for short " RNC ") is notified user MBMS muticast data transmission; Step 240 is data transmission procedures; At last in step 250, conversation end (Session Stop), BM-SC has not been ready for sending data, and bearing resource can discharge.
The entire flow that the user receives certain MBMS multicast service as shown in Figure 3, at first, in step 310: the user subscribes to (Subscription), sets up the contact between user and the service supplier thus; In step 320: professional announce (Service announcement), notify user MBMS the relevant information of business; In step 330: add (joining), promptly the user notification network prepares to receive the MBMS business; After this, in step 340: session begins (Session Start), and BM-SC is ready for sending data; In step 350:MBMS notice (MBMS Notification), promptly RNC notifies user MBMS muticast data transmission.In this step, network side sends to UE and revises service message (MBMS modifiedservices information, be called for short " MSI "), wherein, network side can be according to the state of UE, correspondingly send this MSI by MCCH or DCCH, in other words, the UE under the different conditions responds this process by different way and obtains notice.
Specifically, if the UE on CELL is DCH (make a comment or criticism and using point-to-point service, and take sub-district DCCH channel) obtains notice by the MSI that receives on the DCCH; If UE was receiving the MBMS business originally, then receive MSI and obtain notice by MCCH; If UE did not receive the MBMS business originally, do not monitor MCCH yet, by the indication of physical channel MICH reception notification, receive MSI acquisition notice by monitoring MCCH again.
After this, as shown in Figure 3, in step 360: data transmission procedure; In step 370: conversation end (Session Stop): BM-SC has not been ready for sending data, and bearing resource can discharge; In step 380: leave (leaving), the user no longer has been the member of MBMS multicast group.
In order to make this specification be easier to understand, below further explain " MSI " that mentions in the above-mentioned steps 350, and the user receives the mode of MSI by DCCH or MCCH.
MSI points out the business information of all changes in the sub-district.Some information elements (Information Element is arranged among the MSI, be called for short " IE "), mainly comprise: each traffic ID, MBMS service needed UE operation (comprise and obtain count information, obtain the point to multi-point wireless beared information, require to set up point-to-point and connect or the like), the professional first choice frequency of MBMS, continue to obtain MCCH, MBMS and obtain the adjacent sub-district of MCCH, MBMS number or the like again.It is pointed out that after a period of time the business of variation tends towards stability, then this business information will forward in the non-variation service message of MBMS (Unmodified Services Information is called for short " USI ") from MSI and send.This shows that business all among MSI and the USI just offer all MBMS business of user in this sub-district.
If the user receives MSI by MCCH, then the message on the MCCH channel is that unit period sends with a modification period (MP), a MP comprises several repetitionperiod (RP), the critical message content that all RP in MP send is the same, wherein MSI sends in each RP beginning as key message.
Meanwhile, the user monitors MCCH or DCCH by discontinuous reception mechanism, receive crucial MSI, in MSI, there is user's business interested or that priority is high to change, the user will continue to read other control messages among the MCCH, as USI, obtaining the information that receives the MBMS business, and receive the MBMS business by MTCH.
At present, all comprise several IE among MSI and the USI, notify the information and the method for reseptance of user's different business, wherein all have an IE " to require the user to operate ", want to receive this professional cut-in method at each service announcements user if be used for.It comprises a plurality of options, such as " obtaining count information ", " obtaining PTM radio bearer (PTM RB) information ", " requiring the PTP radio bearer " or the like are arranged.Wherein, " requiring the PTP radio bearer " is used for notifying this business of user to transmit with point to point system, and the user under the different conditions responds this indication with diverse ways and connects.Such as the user under the idle condition will control (Radio Resource Control is called for short " RRC ") connection by Radio Resource and set up the process response; Universal mobile telecommunications system grounding wireless access network Acceditation Area paging channel (UTRANRegistration Area Paging Channel, be called for short " URA-PCH ") and cell paging channel (CELLPaging Channel, abbreviation " CELL_PCH ") user under the state will respond by cell updating course; User under the CELL_DCH state will be by setting up bag mobile management (Packet MobilityManagement is called for short " PMM ") connection procedure response.
More than related correlative detail please refer to 3GPP TS25.331 V6.6.0 " Radio ResourceControl (RRC) protocol specification " (being translated into " radio resource control detail " temporarily).
In actual applications, there is following problem in such scheme: when receiving MBMS business or Packet Service, possibly can't realize the connection of packet domain (being PMM) and cause the waste of resource simultaneously and cause radio bearer (RB) to be rebuild or the reconfiguration course failure for the user under the CELL_DCH state.
Cause the main cause of this situation to be, it is the connection in user grouping territory that PMM connects, and the user sets up by the connection that ptp mode receives MBMS service needed packet domain.For the user under the CELL_DCH state, may before this MBMS business of reception, receive other MBMS business or Packet Services, that is to say that this user has been in the connection status of PMM.At this moment, the connection of being a PMM more again is fully unnecessary, and is the error procedure that can't realize, not only wastes resource and carries out unnecessary signaling interaction but also increased time delay, simultaneously, also may cause RB to rebuild or the reconfiguration course failure.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of responding MBMS point-to-point connection to set up the method for request, avoids making a mistake conserve system resources and minimizing time delay when making response.
For achieving the above object, the invention provides the method that a kind of responding MBMS point-to-point connects the request of foundation, comprise following steps:
The user who is in " CELL_DCH " state requires to set up point-to-point radio bearer when receiving the request of MBMS business receiving, check currently whether be in the packet domain connection status, if then finish the professional initialization procedure that receives of MBMS by existing point-to-point radio bearer is reshuffled.
Wherein, described user revises service message according to the MBMS that collects from Dedicated Control Channel or does not have the information element of revising the service message and " requires the point-to-point wireless carrying " and know whether need to set up described point-to-point radio bearer.
In this external described method, the user who is in " CELL_DCH " state requires to set up point-to-point radio bearer when receiving the request of MBMS business receiving, if be not in the packet domain connection status, then notify high level to wrap the mobile management connection procedure with response.
In this external described method, the user who is in " CELL_DCH " state requires to set up point-to-point radio bearer when receiving the request of MBMS business receiving, if be not in the packet domain connection status, the data path transmission point-to-point MBMS business of then using existing circuit commutative field to connect.
By relatively finding, the main distinction of technical scheme of the present invention and prior art is, the user who is in " CELL_DCH " state is when receiving that the request of PTP RB is set up in requirement, check the current packet domain connection status that whether is in, if then existing PTP RB is reshuffled, otherwise require the high-rise PMM that sets up to connect to respond or to pass through the data path transmission PTPMBMS business that existing C S territory connects.
Difference on this technical scheme has brought comparatively significantly beneficial effect, and promptly unnecessary signaling process has been saved in the utilization by existing packet domain is connected, and economizes on resources and has reduced time delay.The user's of simultaneously clear and definite " CELL_DCH " state response method, avoided error procedure to realize or the RB reconfiguration course in mistake take place.
Description of drawings
Fig. 1 illustrates the reference configuration model of MBMS system;
Fig. 2 illustrates the entire flow that user in the prior art receives certain MBMS broadcasting service;
Fig. 3 illustrates the entire flow that user in the prior art receives certain MBMS multicast service;
Fig. 4 is the method flow diagram that connects the request of foundation according to the responding MBMS point-to-point of first embodiment of the invention;
Fig. 5 is the method flow diagram that connects the request of foundation according to the responding MBMS point-to-point of second embodiment of the invention.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, the present invention is described in further detail below in conjunction with accompanying drawing.
Generally speaking, principle of the present invention is, when the user who is in " CELL_DCH " state receives when requiring to set up the request of point-to-point wireless carrying (PTP RB), whether has been in the state that packet domain connects and judges this user is current earlier.If the current state that has been in the packet domain connection of this user is just finished the professional initialization procedure that receives of MBMS by existing PTP RB is reshuffled, make the user when response, avoid making a mistake, save system resource and reduced time delay; If the current state that is not in the packet domain connection as yet of this user, just require high level set up PMM connect " require the user to operate " with response IE in " requiring PTP RB " this indication connect, or transmit PTP MBMS business by the data path that existing circuit switching (CS) territory connects.In addition, according to principle of the present invention, also has a kind of processing mode, the user who promptly no matter is in " CELL_DCH " state requires to set up PTP RB when receiving the request of MBMS business receiving, whether be in the state that packet domain connects, all by RB rebuild upright process respond IE " require the user to operate " in " requiring PTP RB " this indication connect, avoid makeing mistakes.
Below in conjunction with accompanying drawing 4, the responding MBMS point-to-point that describes first embodiment of the invention in detail connects the method for the request of foundation.
In step 410, the user monitors DCCH or MCCH.The user is owing to the difference of its state is monitored different channels, such as the user under CELL_PCH, URA_PCH and the idle pulley receives MSI or USI by monitoring MCCH; The user who is in " CELL_DCH " state is a point-to-point service owing to what use, and what take is sub-district DCCH channel, thereby receives MSI or USI by monitoring DCCH.
Then, enter step 420, judge whether this user receives the request that PTP RB is set up in requirement.Specifically, when a business (as speech business, general data business, facsimile service or other with the MBMS business of ptp mode transmission etc.) in the time of need transmitting with ptp mode, network side will " require user behavior " with IE among MSI or the USI and be changed to " requiring PTP RB ", and this MSI or USI are issued.Therefore, the user just can judge whether this user receives the request that PTP RB is set up in requirement by monitoring DCCH or MCCH in the step 410.If this user has received the request that PTP RB is set up in requirement, just enter step 430; Otherwise, process ends.
In step 430, judge this state of user.Because the user under the different conditions responds IE among MSI or the USI with diverse ways " to require PTP RB " this indication connects, and therefore, in this step, judge this state of user.If this user is in idle condition, just enter step 460; If this user is in " CELL_DCH " state, just enter step 440; If this user is in " CELL_PCH " or " URA_PCH " state, just enter step 470.
In step 440, just to being in the user under " CELL_DCH " state, judge whether this user has been in the packet domain connection status, judge promptly whether this user has set up the PMM connection.In this step, need whether be in the packet domain connection status to this user judges, be because this user is receiving this requirement when setting up the request of PTP RB, and do not know whether this user had received other requirements before this and set up the request of PTP RB and response was carried out in this request.That is to say that the user is receiving a requirement when setting up the request of PTP RB, do not know whether to have received speech business or other business with the ptp mode transmission.If this user has received speech business or other business with the ptp mode transmission, so, this user has just set up the PMM connection, is in the packet domain connection status.The judgement of this step is exactly for the difference according to user grouping territory connection status different response methods to be taked in the request that requires to set up PTP RB, avoid the user who set up the PMM connection is connected once more, save system resource and reduced time delay, simultaneously, prevented that also RB from rebuilding or reconfiguration failure.
If judge that the user is in the packet domain connection status, just set up the PMM connection, just enter step 480, otherwise, just enter step 450.
In step 450, customer requirements is set up PMM and is connected.Because in existing protocol, stipulate, be in the user under " CELL_DCH " state, will respond IE this indication that " requires PTP RB " by setting up the PMM connection procedure.And, because setting up the PMM connection as yet, the user just can not enter into this step, so, can not cause makeing mistakes because of repeating to set up the PMM connection.
In step 480, carry out PTP RB and reshuffle.Because the user has set up the PMM connection, therefore, only need reshuffle PTP RB, can finish response to IE this indication that " requires PTP RB ", carry out Signalling exchange and needn't waste resource, reduced time delay, prevented that also RB from rebuilding or reconfiguration failure.
If in step 430, current User Status is judged as idle condition, just enters step 460, connects by RRC.Because stipulate in existing protocol, the user under the idle condition is to connect by RRC to set up the process response.
If in step 430, current User Status is judged as " CELL_PCH " or " URA_PCH " state, just enters step 470, connects by the cell updating course response.
The user of present embodiment by being in " CELL_DCH " state receiving when requiring to set up the request of PTP RB, check the current packet domain connection status that whether is in, take different response methods according to the difference of packet domain connection status again, avoided wrong generation, saved system resource and reduced time delay.
Below in conjunction with accompanying drawing 5, the second embodiment of the present invention is described.
In step 510, the user monitors DCCH or MCCH, with step 410.
Then, enter step 520, judge whether the user receives the request that PTP RB is set up in requirement, with step 420.If just enter step 530; Otherwise, process ends.
In step 530, judge this state of user.If this user is in idle condition, just enter step 560; If this user is in " CELL_DCH " state, just enter step 540; If this user is in " CELL_PCH " or " URA_PCH " state, just enter step 570.This step is identical with step 430.
In step 540,, judge whether this user has been in the packet domain connection status, with step 440 just to being in the user under " CELL_DCH " state.If the user is in the packet domain connection status, just set up the PMM connection, just enter step 580, otherwise, just enter step 550.
In step 550, transmit the MBMS business of ptp mode by the data path of CS territory connection.
In step 580, carry out PTP RB and reshuffle, with step 480.
If in step 530, current User Status is judged as idle condition, just enters step 560, connects by RRC.This step is identical with step 460.
If in step 530, current User Status is judged as " CELL_PCH " or " URA_PCH " state, just enters step 570, connects by the cell updating course response.This step is identical with step 470.
As seen, the present embodiment and first embodiment are basic identical, difference is to receive when requiring to set up the request of PTP RB and not having packet domain to connect as the user under " CELL_DCH " state, to this request responding method difference, in first embodiment, make the user be in the packet domain connection status by setting up the PMM connection, thereby receive the MBMS business.And in the present embodiment, be the MBMS business of transmitting ptp mode by the data path that the CS territory connects.Therefore, present embodiment can reach the action effect of first embodiment fully.
Though by with reference to some preferred embodiment of the present invention, the present invention is illustrated and describes, those of ordinary skill in the art should be understood that and can do various changes to it in the form and details, and without departing from the spirit and scope of the present invention.
Claims (4)
1. a responding MBMS point-to-point connects the method that foundation is asked, and it is characterized in that, comprises following steps:
The user who is in " CELL_DCH " state requires to set up point-to-point radio bearer when receiving the request of MBMS business receiving, check currently whether be in the packet domain connection status, if then finish the professional initialization procedure that receives of MBMS by existing point-to-point radio bearer is reshuffled.
2. responding MBMS point-to-point according to claim 1 connects the method for the request of foundation, it is characterized in that, described user " requires the point-to-point wireless carrying " according to information element and knows whether need to set up described point-to-point radio bearer, and this information element comes the MBMS that collects since Dedicated Control Channel to revise service message or do not have the correction service message.
3. responding MBMS point-to-point according to claim 1 and 2 connects the method for the request of foundation, it is characterized in that, the user who is in " CELL_DCH " state requires to set up point-to-point radio bearer when receiving the request of MBMS business receiving, if be not in the packet domain connection status, then notify high level to wrap the mobile management connection procedure with response.
4. responding MBMS point-to-point according to claim 1 and 2 connects the method for the request of foundation, it is characterized in that, the user who is in " CELL_DCH " state requires to set up point-to-point radio bearer when receiving the request of MBMS business receiving, if be not in the packet domain connection status, the data path transmission point-to-point MBMS business of then using existing circuit commutative field to connect.
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| Application Number | Priority Date | Filing Date | Title |
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| CNB200510092561XA CN100397921C (en) | 2005-08-23 | 2005-08-23 | Method for responding request of MBMS point to point collection building |
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| CNB200510092561XA CN100397921C (en) | 2005-08-23 | 2005-08-23 | Method for responding request of MBMS point to point collection building |
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| CN1921639A true CN1921639A (en) | 2007-02-28 |
| CN100397921C CN100397921C (en) | 2008-06-25 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100426803C (en) * | 2005-09-02 | 2008-10-15 | 华为技术有限公司 | Method for responding to request of establishing connection from MBMS point to point |
| CN101262630B (en) * | 2007-03-09 | 2011-12-21 | 华为技术有限公司 | Receiving/transmission method and device for multimedia broadcast and multicast service |
| WO2017012485A1 (en) * | 2015-07-17 | 2017-01-26 | 中兴通讯股份有限公司 | Method for implementing call access and conference television terminal |
| CN114531427A (en) * | 2020-11-02 | 2022-05-24 | 联发科技（新加坡）私人有限公司 | User agent for call addition control and method thereof |
| WO2022205270A1 (en) * | 2021-04-01 | 2022-10-06 | Zte Corporation | Techniques for managing multicast and broadcast services |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100499898C (en) * | 2003-04-04 | 2009-06-10 | 华为技术有限公司 | Monitoring method of block service in blocked domain |
| KR100964679B1 (en) * | 2003-08-19 | 2010-06-22 | 엘지전자 주식회사 | Method of counting RRC Connected Mode in MBMS Service |
| CN100426803C (en) * | 2005-09-02 | 2008-10-15 | 华为技术有限公司 | Method for responding to request of establishing connection from MBMS point to point |
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2005
- 2005-08-23 CN CNB200510092561XA patent/CN100397921C/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100426803C (en) * | 2005-09-02 | 2008-10-15 | 华为技术有限公司 | Method for responding to request of establishing connection from MBMS point to point |
| CN101262630B (en) * | 2007-03-09 | 2011-12-21 | 华为技术有限公司 | Receiving/transmission method and device for multimedia broadcast and multicast service |
| WO2017012485A1 (en) * | 2015-07-17 | 2017-01-26 | 中兴通讯股份有限公司 | Method for implementing call access and conference television terminal |
| CN114531427A (en) * | 2020-11-02 | 2022-05-24 | 联发科技（新加坡）私人有限公司 | User agent for call addition control and method thereof |
| CN114531427B (en) * | 2020-11-02 | 2024-04-23 | 联发科技（新加坡）私人有限公司 | User agent for call addition control and method thereof |
| WO2022205270A1 (en) * | 2021-04-01 | 2022-10-06 | Zte Corporation | Techniques for managing multicast and broadcast services |
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| CN100397921C (en) | 2008-06-25 |
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