CN101909341A - Method for transferring MBMS (Multimedia Broadcast Multicast Service) capability information among RNCs (Radio Network Controllers) - Google Patents
Method for transferring MBMS (Multimedia Broadcast Multicast Service) capability information among RNCs (Radio Network Controllers) Download PDFInfo
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Abstract
The invention discloses methods for transferring MBMS (Multimedia Broadcast Multicast Service) capability information among RNCs (Radio Network Controllers). In one of the methods, the first radio network controller transmits first information to the second radio network controller, wherein the first information carries MBMS capability request information and cell ID information; and the first radio network controller acquires second information coming from the second radio network controller, wherein the second information carries MBMS capability information corresponding to the cell ID information. By using the methods, an SRNC (Serving Radio Network Controller) can obtain the MBMS capability information of cells with DRNCs (Drift Radio Network Controllers).
Description
Technical field
The present invention relates to the communications field, particularly, relate to the method for transmitting multimedia broadcast multi-broadcasting business (Multimedia Broadcast Multicast Service the abbreviates MBMS as) ability of sub-district between radio network controller (Radio Network Controller abbreviates RNC as).
Background technology
In order to guarantee professional continuous reception, need be at RNS (Radio Network Subsystem, abbreviate RNS as) the interior MBMS tenability of transmitting the sub-district, that is, whether support the MBMS business, for example, can indicate in (RESOURCE STATUSINDICATION) message at audit response (AUDITRESPONSE) message, the resource status of Iub mouth, Node B is with the MBMS tenability notice RNC of sub-district, and wherein, the Iub mouth is the logic interfacing between RNC and Node B.
But, floating radio network controller (Drift Radio Network Controller, be called for short DRNC) but there is not similar mechanism to notify service wireless network controller (Service Radio Network Controller with the MBMS tenability of sub-district, be called for short SRNC), this causes follow-up decision-making or the operation based on the cell MBMS tenability can't correct execution.
For example, if subscriber equipment (User Equipment abbreviates UE as) has activated the MBMS business, moving then along with UE, RNC needs to understand in real time the UE MBMS tenability of adjacent area on every side, otherwise the switching of UE may bring the foundation of irrational Radio Link.As shown in Figure 1, the current MBMS business that activated of UE goes up employing point-to-point (point to point abbreviates PTP as) mode in DPCH (Dedicated Physical Channel abbreviates DPCH as) and transmits.Move to the boundary of RNC along with UE, if the signal quality of the sub-district of DRNC satisfies the condition that adds Active Set, then behind the measurement report 1 of receiving the sub-district (measurement report 1), SRNC sends Radio Link to DRNC and sets up request (Radio Link Setup Request) message, requirement is set up a wireless links in the DRNC sub-district and is used for transmitting the MBMS business, DRNC returns Radio Link to SRNC and sets up response (Radio Link Setup Response) message, but in fact, MBMS is not supported in the DRNC sub-district.That is to say,, set up an irrational Radio Link because SRNC does not understand the MBMS ability of DRNC sub-district.
Summary of the invention
Consider that the SRNC that exists in the correlation technique does not understand the MBMS ability of DRNC sub-district, thereby can't reasonably set up the problem of Radio Link and propose the present invention, for this reason, the present invention aims to provide the method for transmitting the cell MBMS tenability between a kind of RNC, makes SRNC can know the MBMS ability of DRNC sub-district.
According to an aspect of the present invention, provide MBMS ability information transmission method between a kind of radio network controller.
In the method, first radio network controller sends first message to the second wireless network device, and carries MBMS capability requests information and sub-district id information in first message; First radio network controller obtains second message from second radio network controller, wherein, carries the MBMS ability information corresponding with the sub-district id information in second message.
Preferably, first message is information exchange initialization request message, and second message is information exchange initialization response message.
Preferably, in the information type item cell in information exchange initialization request message MBMS capability requests information is set, the sub-district id information is a sub-district ID or a plurality of sub-district ID, wherein, carry a sub-district ID or a plurality of sub-district ID by the information exchange object type in the configuration information exchange initialization request message.
Preferably, after obtaining second message, said method also comprises: first radio network controller obtains the measurement report from the sub-district; If comprise the MBMS business in the business of subscriber equipment, and the MBMS ability information indicating cell in second message is supported MBMS business, the then soft sub-district that adds of first radio network controller.
Preferably, before sending first message, said method also comprises: first radio network controller obtains the measurement report from the sub-district; Wherein, the sub-district id information is the sub-district ID of the sub-district of transmission measurement report.
Preferably, after obtaining second message, said method also comprises: first radio network controller obtains the information report message from second radio network controller, wherein, carries one or more sub-district ID that the MBMS ability information changes in the information report message.
Preferably, first radio network controller is a service wireless network controller, and second controller is a floating radio network controller.
According to a further aspect in the invention, provide MBMS ability information transmission method between another kind of radio network controller.
In the method, first radio network controller sends first message to second radio network controller, and carries subscriber equipment MBMS business information in first message; First radio network controller obtains second message from second radio network controller, wherein, carries the transmission mode information of MBMS business information correspondence in second message; Whether transmission mode information supports the MBMS business in order to indicate the sub-district under second radio network controller.
Preferably, the MBMS business information is the MBMS service lists that activates; The transmission mode information of MBMS business information correspondence is the transmission mode information of the MBMS business in the MBMS service lists.
Preferably, first message is that Radio Link is set up request message or wireless link increasing request message; Correspondingly, second message is that Radio Link is set up response message or Radio Link increases response message.
Preferably, transmission mode information indicates the sub-district under second radio network controller not support the MBMS business, and after obtaining second message, said method also comprises: if the Radio Link of setting up or increasing newly has carried the MBMS business, then delete Radio Link; If the Radio Link of setting up or increasing newly does not carry the MBMS business, then keep Radio Link, and refuse the Serving cell of Radio Link is migrated to the second radio network controller side.
Preferably, first radio network controller is a service wireless network controller, and second controller is a floating radio network controller.
By above-mentioned at least one embodiment of the present invention, SRNC can be known the MBMS ability information of the sub-district of DRNC, thereby can reasonably set up and/or be kept for carrying the Radio Link of MBMS business.
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 MBMS tenability of not knowing DRNC side sub-district according to the SRNC of correlation technique, has set up the flow chart of an irrational Radio Link;
Fig. 2 is according to the embodiment of the invention, and SRNC once obtained the flow chart of MBMS tenability of the sub-district of one or more DRNC by Iur message breath exchange initialization request and information exchange initialization response message before receiving measurement report 1A;
Fig. 3 is according to the embodiment of the invention, and SRNC only obtains the flow chart of the MBMS tenability for the treatment of the soft DRNC sub-district that adds by Iur message breath exchange initialization request and information exchange initialization response message after receiving measurement report 1A;
Fig. 4 after the MBMS ability of DRNC sub-district changes, sends the flow chart of information report message notice SRNC according to the embodiment of the invention;
Fig. 5 is according to the embodiment of the invention, and SRNC sets up the flow chart that response message is recognized the cell MBMS tenability of DRNC side by the Radio Link of Iur mouth;
Fig. 6 is according to the embodiment of the invention, and SRNC increases the flow chart that response message is recognized the cell MBMS tenability of DRNC side by the Radio Link of Iur mouth;
Fig. 7 is according to the embodiment of the invention, and SRNC knows that the sub-district of DRNC side do not support the MBMS business, as the follow-up processing flow figure that MBMS is professional when adopting the DCH carrying;
Fig. 8 is according to the embodiment of the invention, and SRNC knows that the sub-district of DRNC side do not support the MBMS business, as the follow-up processing flow figure that MBMS is professional when adopting the HS-DSCH carrying.
Embodiment
Below in conjunction with accompanying drawing the preferred embodiments of the present invention are described, if do not conflict, the feature among the embodiment of the invention and the embodiment can make up mutually.Need to prove that the Iur mouth that relates to hereinafter is the logic interfacing between RNC; So-called " Active Set " is meant the set of UE by its Radio Link that communicates; So-called " having set up irrational link " is meant in the sub-district of DRNC and set up the link that is used to carry the MBMS business, but the MBMS business do not supported in the sub-district of DRNC.
In the MBMS ability information transmission method according to the embodiment of the invention, the transmission of MBMS ability information realizes by information exchange initialization request message and information exchange initialization response message.Preferably, can be in the Information Type Item cell in the information exchange initialization request message (INFORMATION EXCHANGE INITIATION REQUEST), increase a kind of new type " MBMS capability Information ", in order to indicate to opposite end request MBMS ability information, promptly, whether support the MBMS business, and exchangeable object type i nformation Exchange Object Type is set to " Cell " or " MBMS Cell ", and fills in the sub-district ID of the DRNC side of request.If the exchangeable object type is " Cell ", then can only fill in a sub-district ID, if the exchangeable object type is " MBMS Cell ", then can extend this as a cell list, the inside comprises one or more sub-district ID.Be introduced below in conjunction with preferred embodiment.
Embodiment one
Before receiving the measurement report 1A of sub-district, SRNC and DRNC can obtain the MBMS ability information of one or more DRNC sub-district by the information exchange initialization request and the information exchange initialization response message of Iur mouth.
In this embodiment, include the MBMS business in the UE current business, suppose that sub-district Cell 1 does not support the MBMS ability.As shown in Figure 2, can comprise following processing:
Step S201, SRNC sends information exchange initialization request (Information Exchange Initiation Request) message to DRNC, Information Type Item cell (information type item cell) is set to " MBMS capability Information ", expression is to DRNC request MBMS ability information, Information Exchange Object Type (information exchange object type) is set to " MBMS Cell ", the MBMS ability information of a plurality of sub-districts of expression request, preferably, can fill in the sub-district ID tabulation of request, wherein comprise Cell 1.
Step S202, DRNC sends information exchange initialization response (Information Exchange Initiation Response) message to SRNC.According to the sub-district ID in the request message, DRNC fills in the MBMS Capability of respective cell in Requested Data Value cell (the data value cell of being asked).The MBMSCapability of Cell 1 is also contained in the response message the inside.
Step S203, the measurement report 1A that the sub-district Cell 1 of DRNC reports, SRNC is according to the MBMS Capability in the Requested Data Value cell, the sub-district Cell 1 that finds DRNC does not support the MBMS business, and include MBMS business, the then not soft DRNC sub-district Cell1 that adds in the UE current business.
Embodiment two
SRNC can only obtain the MBMS ability information for the treatment of the soft DRNC sub-district that adds by the information exchange initialization request and the information exchange initialization response message of Iur mouth after receiving the measurement report 1A of UE.
In this embodiment, suppose to include the MBMS business in the UE current business, sub-district Cell 1 does not support the MBMS ability.As shown in Figure 3, can comprise following processing:
Step S301, the sub-district Cell 1 reporting measurement reports 1A of DRNC.
Step S302, SRNC does not know the MBMS ability of the sub-district Cell 1 of DRNC at present, so send information exchange initialization request message to DRNC, InformationType Item cell is set to " MBMS capability Information ", Information Exchange Object Type is set to " Cell ", and the sub-district ID that fills in request is Cell 1.
Step S303, DRNC sends information exchange initialization response message to SRNC.Fill in the MBMS Capability of the sub-district Cell 1 that is asked in the Requested Data Value cell.
Next, do not support the MBMS business if SRNC finds the sub-district Cell 1 of DRNC, and include the MBMS business in the UE current business, the then not soft DRNC sub-district Cell 1 that adds.
Embodiment three
After Fig. 4 had provided the MBMS capacity variation of sub-district of DRNC, DRNC sent the flow process of information report message notice SRNC.If the Information Exchange Object Type in this information report message is " Cell ", then fill in the sub-district ID of MBMS capacity variation; If Information Exchange Object Type is " MBMS Cell ", then fill in the sub-district ID tabulation of MBMS capacity variation.MBMS Capability in the Requested Data Value cell fills in the current MBMS ability of capacity variation sub-district.Newly-increased Information Exchange Object Type " MBMS Cell " is defined as:
| Range?bound | Explanation |
| maxnoofcell | Maximum?number?of?cells?that?can?be?indicated?in?the?corresponding?IE. |
Described above is to realize the embodiment that the cell MBMS ability information under the RNC is transmitted by the information exchange initial message, SRNC is by carrying out information interaction with DRNC, can know the MBMS tenability of DRNC sub-district in advance, if the MBMS business is not supported in the DRNC sub-district, then soft adding, do not carried out in corresponding sub-district, that is, do not set up the link that is used to carry the MBMS business, thereby avoid the foundation of irrational Radio Link.
The invention is not restricted to realization scene described above, in Radio Link foundation or Radio Link increase process, also can realize the transmission of MBMS ability information, particularly, SRNC can add the MBMS business information in relevant message, and DRNC adds the transmission mode information of MBMS business information in relevant response message, represents with this transmission mode information whether the sub-district of DRNC supports the MBMS business.
Preferably, above-mentioned MBMS business information is the MBMS service lists that activates.For example, if the current MBMS business that activated of UE then preferably, is set up in the MBMS Bearer Service List cell of asking in (Radio Link Setup Request) message at primary Radio Link, fill in the MBMS business of current activation.If the MBMS business is not supported in the sub-district of DRNC, then DRNC sets up response (Radio Link Setup Response) at Radio Link, Radio Link increases in the Active MBMS Bearer Service List cell that responds in (Radio Link Addition Response) message, transmission mode (Transmission Mode) at each MBMS business all extends this as " Not Provided ", that is, do not support the MBMS business.
Perhaps, above-mentioned MBMS information can be to show that UE activates the sign of MBMS business, in this case, if the MBMS business is not supported in the sub-district of DRNC side, then DRNC should identify corresponding transmission mode and is set to " Not Provided " and gets final product, perhaps, represent that with another sign that is provided with separately the sub-district of DRNC side do not support the MBMS business to be fine yet.
After SRNC receives response message, the MBMS business is not supported in the sub-district of discovery DRNC, if carried the MBMS business in the newly-increased Radio Link, such as, the professional DCH of use of MBMS (Dedicated Channel dedicated channel) carries, and then needs to delete newly-increased link; If do not carry the MBMS business in the newly-increased Radio Link, such as, professional HS-DSCH (the High Speed Downlink Shared Channel that uses of MBMS, high speed descending sharing channel) carrying, and service link is in the SRNC side, that is, Serving cell is in the SRNC side, then this newly-increased Radio Link does not need deletion, but the follow-up service link can not migrate to the DRNC side.Below be described further combined with preferred embodiment.
Embodiment four
To be SRNC set up the flow chart of MBMS ability that response message is recognized the sub-district of DRNC side by the Radio Link of Iur mouth to Fig. 5.Wherein, include the MBMS business in the UE current business.As shown in Figure 5, comprise following processing:
Step S501, the sub-district Cell1 reporting measurement reports 1A of DRNC.
Step S502, SRNC attempts the sub-district Cell 1 of DRNC is added Active Set, but, SRNC does not understand the MBMS ability information of Cell 1, so, SRNC sends Radio Link to DRNC and sets up request message, fills in the MBMS service lists of the current activation of UE in MBMS Bearer Service List cell (MBMS bearer service tabulation cell).
Step S503, DRNC replys Radio Link to SRNC and sets up response message.Suppose that the sub-district of DRNC do not support the MBMS business, then in Active MBMS Bearer Service List cell, at each MBMS business, transmission mode all extends this as " Not Provided ",, does not support the MBMS business that is.Understand easily, if the MBMS business is supported in the sub-district of DRNC, then in Active MBMS Bearer Service List cell, at each MBMS business, transmission mode all extends this as " Provided ",, supports the MBMS business that is, and this is repeated no more.
After SRNC receives Radio Link foundation response, because the transmission mode of all MBMS business all extends this as " Not Provided ", thereby learn that Cell 1 does not support the MBMS business, therefore, SRNC does not add Active Set to Cell 1, thereby has avoided setting up inappropriate link.
Embodiment five
The Radio Link that Fig. 6 is SRNC by the Iur mouth increases the flow chart of MBMS ability that response message is recognized the sub-district of DRNC side.Include the MBMS business in the UE current business.As shown in Figure 6, comprise following processing:
Step S601, the sub-district Cell 1 reporting measurement reports 1A of DRNC.
Step S602, SRNC attempts sub-district Cell 1 is added Active Set, but SRNC does not understand the MBMS tenability of Cell 1, because this is not article one link of Iur-crossing port, increases request (Radio Link Add Request) message so SRNC sends Radio Link to DRNC.
Step S603, DRNC replys Radio Link to SRNC increases response (Radio Link Add Response) message.Because the MBMS business is not supported in the sub-district of DRNC, so in the Active MBMS Bearer Service List cell, at each MBMS business, transmission mode all extends this as " Not Provided ".
After SRNC receives Radio Link increase response message, because the transmission mode of all MBMS business all extends this as " Not Provided ", learn that thus this sub-district Cell 1 does not support MBMS, therefore, SRNC does not add Active Set to Cell 1, thereby has avoided setting up inappropriate link.
Embodiment six
Fig. 7 is after SRNC recognizes that by the Radio Link foundation/increase response message of Iur mouth the MBMS business is not supported in the sub-district of DRNC side, when the professional DCH of employing of MBMS (Dedicated Channel, dedicated channel) carries, and follow-up handling process.
Step S701, SRNC recognize that the sub-district of DRNC side do not support the MBMS business, and have carried the MBMS business on the previous Radio Link of setting up, the previous irrational Radio Link set up of decision deletion.So SRNC sends Radio Link removal request (Radio Link Delete Request) message to DRNC.
After step S702, DRNC successfully delete irrational Radio Link, return Radio Link deletion response (Radio Link Delete Response) message to SRNC.
By this embodiment, SRNC has in time deleted irrational link based on the MBMS ability information of obtaining.
Embodiment seven
Fig. 8 is after SRNC recognizes that by the Radio Link foundation/increase response message of Iur mouth MBMS is not supported in D side sub-district, adopt HS-DSCH (High Speed Downlink Shared Channel when MBMS is professional, when high speed descending sharing channel) carrying, follow-up handling process.
Step S801, the sub-district Cell 1 reporting measurement reports 1D of DRNC.Adopt the HS-DSCH carrying because MBMS is professional, and the MBMS business is not supported in the DRNC sub-district, so the SRNC decision does not migrate to DRNC sub-district Cell1 with the Serving cell of HS-DSCH.
In the implementation method that above embodiment four to embodiment seven provides, SRNC determines whether to set up link according to the MBMS ability information that response message obtains the DRNC sub-district, perhaps, SRNC at first sets up Radio Link, and obtain the MBMS ability information of DRNC sub-district according to response message, further whether decision-making deletes the Radio Link of having set up then, and the link that can guarantee follow-up maintenance all is rational link.
Be that example is described the embodiment of the invention more than with SRNC and DRNC; to those skilled in the art; expect easily the information that principle of the present invention is applied between other RNC is transmitted scene, do not repeat them here, equally within protection scope of the present invention.The technique scheme that provides by the embodiment of the invention, as can be seen, in embodiments of the present invention, SRNC has obtained the cell MBMS ability information of DRNC, make the foundation or the existence of the Radio Link be used for carrying the MBMS business, whether have the MBMS tenability with this sub-district and adapt, thereby can avoid setting up or keeping irrational link.
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 (12)
1. the MBMS ability information transmission method between a radio network controller is characterized in that, comprising:
First radio network controller sends first message to the second wireless network device, and carries MBMS capability requests information and sub-district id information in described first message;
Described first radio network controller obtains second message from described second radio network controller, wherein, carries the MBMS ability information corresponding with described sub-district id information in described second message.
2. method according to claim 1 is characterized in that, described first message is information exchange initialization request message, and described second message is information exchange initialization response message.
3. method according to claim 2, it is characterized in that, described MBMS capability requests information is set in the information type item cell in described information exchange initialization request message, described sub-district id information is a sub-district ID or a plurality of sub-district ID, wherein, carry a sub-district ID or a plurality of sub-district ID by the information exchange object type that is provided with in the described information exchange initialization request message.
4. according to each described method in the claim 1 to 3, it is characterized in that after obtaining described second message, described method also comprises:
Described first radio network controller obtains the measurement report from the sub-district;
If comprise the MBMS business in the business of subscriber equipment, and the MBMS ability information in described second message indicates described sub-district to support the MBMS business, and then described first radio network controller is soft to add described sub-district.
5. according to each described method in the claim 1 to 3, it is characterized in that,
Before sending described first message, described method also comprises: described first radio network controller obtains the measurement report from the sub-district;
Wherein, described sub-district id information is the sub-district ID of the described sub-district that sends described measurement report.
6. according to each described method in the claim 1 to 3, it is characterized in that after obtaining described second message, described method also comprises:
Described first radio network controller obtains the information report message from described second radio network controller, wherein, carries one or more sub-district ID that the MBMS ability information changes in the described information report message.
7. according to each described method in the claim 1 to 3, it is characterized in that described first radio network controller is a service wireless network controller, described second controller is a floating radio network controller.
8. the MBMS ability information transmission method between a radio network controller is characterized in that, comprising:
First radio network controller sends first message to second radio network controller, and carries subscriber equipment MBMS business information in described first message;
Described first radio network controller obtains second message from described second radio network controller, wherein, carries the transmission mode information of described MBMS business information correspondence in described second message; Whether described transmission mode information supports the MBMS business in order to indicate the sub-district under described second radio network controller.
9. method according to claim 8 is characterized in that, described MBMS business information is the MBMS service lists that activates; The transmission mode information of described MBMS business information correspondence is the transmission mode information of the MBMS business in the described MBMS service lists.
10. method according to claim 8 is characterized in that, described first message is that Radio Link is set up request message or wireless link increasing request message; Correspondingly, described second message is that Radio Link is set up response message or Radio Link increases response message.
11. method according to claim 10 is characterized in that, described transmission mode information indicates the sub-district under described second radio network controller not support the MBMS business, and after obtaining described second message, described method also comprises:
If the Radio Link of setting up or increasing newly has carried the MBMS business, then delete described Radio Link;
If the Radio Link of setting up or increasing newly does not carry the MBMS business, then keep described Radio Link, and refuse the Serving cell of described Radio Link is migrated to the described second radio network controller side.
12. each described method in 11 is characterized in that described first radio network controller is a service wireless network controller according to Claim 8, described second controller is a floating radio network controller.
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Application publication date: 20101208 |