CN101686503A - Mode switch notifying method and mode switch processing device - Google Patents
Mode switch notifying method and mode switch processing device Download PDFInfo
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- CN101686503A CN101686503A CN200810166206A CN200810166206A CN101686503A CN 101686503 A CN101686503 A CN 101686503A CN 200810166206 A CN200810166206 A CN 200810166206A CN 200810166206 A CN200810166206 A CN 200810166206A CN 101686503 A CN101686503 A CN 101686503A
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Abstract
The invention discloses a mode switch notifying method and a mode switch processing device. The method comprises the following steps: a first network element transmits mode switch information to a second network element when the MBMS service transmission mode in the cell is to be switched, wherein the mode switch information comprises switched MBMS service transmission mode information and switching time information, and both the first network element and the second network element are used for transmitting MBMS service data. Relative network elements can be processed correspondingly by informing the relative network in the MBMS service of the change condition of the MBMS service transmission mode in case that the MBMS service transmission mode of a network element is changed, thereby avoiding influencing the reception quality of a user terminal in the mode switch process and improving the user experience.
Description
Technical field
The present invention relates to the communications field, relate in particular to a kind of mode switch Notification Method and mode switch processing unit.
Background technology
At present, people no longer are satisfied with phone and messaging service to the demand of mobile communication, and along with the fast development of Internet net, a large amount of multimedia services emerge.Wherein, some applied business can allow a plurality of users can receive identical data simultaneously, for example, and business such as video request program, television broadcasting, video conference, online education, interactive game.
Multimedia broadcasting and multicast (Multimedia Broadcast Multicast Service, abbreviating MBMS as) business is meant that a data source sends the point-to-multipoint service of data to a plurality of users, it can realize sharing of Internet resources, for example, mobile core network and access network resources are shared, and especially interface-free resources shares.The MBMS of third generation partner program (3rdGeneration Partnership Project abbreviates 3GPP as) definition not only can realize the classes of messages multicast and the broadcasting of plain text low rate, can also realize the multimedia service multicast and the broadcasting of two-forty.
At present, the MBMS business has two kinds of sending modes at wave point, and a kind of is point to point system (point to point abbreviates PTP as), and another kind of is that point is to multipoint system (point tomulti point abbreviates PTM as).In the PTP mode, Wireless Communication Equipment is that a subscriber equipment (User Equipment abbreviates UE as) is set up independently wireless channel, and this UE can use special-purpose wireless channel; In the PTM mode, Wireless Communication Equipment adopts common radio channel, with MBMS service signal broadcast transmission in the sub-district.
In a kind of wireless network architecture, determine the sending mode of certain MBMS business between network element by the mode of mutual negotiation.At first, each network element carries out the MBMS counting independently, with the UE quantity that needs the MBMS business that obtains to exist in its affiliated subdistrict.Then, network element is notified to other network element with the MBMS count results of its affiliated subdistrict and the decision-making of sending mode by interface, and in addition, network element can also receive the affiliated subdistrict MBMS count results of other network elements and the result of decision of sending mode.At last, network element is according to the MBMS count results and the sending mode result of decision of home cell, and the MBMS count results of the sub-district of adjacent network element and the sending mode result of decision, determines the mode of final sending mode.
In above-mentioned method, as can be seen, network element sends the pattern of certain MBMS business in its sub-district decision-making is subjected to the influence of the sending mode of adjacent network element.And many sub-districts of considering the professional PTM pattern of MBMS merge the influence to the UE quality of reception, if can not change the professional sending mode of MBMS in coordinate synchronization ground between adjacent network element, then can cause the decline of the UE quality of reception.But, in present wireless network architecture, each network element determines the professional sending mode of the MBMS in its affiliated subdistrict separately, if change has taken place in the sending mode of the affiliated subdistrict MBMS business of a network element, the affiliated subdistrict of other network elements can't know that the sending mode of this network element switches, just can not correspondingly handle, the sending mode that will cause sending a plurality of network elements of MBMS business may not can synchronously changes, like this, in the time can't synchronously coordinating the sending mode of MBMS business between adjacent network element, will cause the business datum quality of reception of UE to descend, influence user experience.
Summary of the invention
Consider under the situation that the sending mode of the affiliated subdistrict MBMS business of a network element that exists in the correlation technique changes, the affiliated subdistrict of other network elements can't know that the sending mode of this network element switches, can not carry out the problem of respective handling and propose the present invention, for this reason, main purpose of the present invention is to provide a kind of mode switch Notification Method and mode switch processing unit, to address the above problem.
According to an aspect of the present invention, provide a kind of mode switch Notification Method.
Mode switch Notification Method according to the present invention comprises: when first network element is about to switch at the professional sending mode of the MBMS of its sub-district, to the second network element sending mode handover information, mode switch information comprises the professional sending mode information of MBMS after the switching and the temporal information of switching, wherein, first network element and second network element all are used to send the MBMS business datum.
In addition, this method can also comprise: second network element from the temporal information moment corresponding of switching, uses the professional sending mode of MBMS of the professional sending mode information of the MBMS correspondence after switching to send the MBMS business datum in its subordinate sub-district.
Preferably, the professional sending mode of MBMS comprises one of following: point-to-point, put multiple spot.
Further, first network element is specially to the process of the second network element sending mode handover information: first network element is to the second network element sending mode handoff notification message, and carries mode switch information in the mode switch notification message.
Preferably, the temporal information of switching comprises one of following: time value, from current time delay value, the System Frame Number of wave point, Connection Frame Number backward.
According to another aspect of the present invention, provide a kind of mode switch processing unit.
The mode switch processing unit comprises according to the present invention: handover module is used to carry out the switching of the professional sending mode of MBMS; Notification module is used for to other network element notification mode handover informations, and wherein, mode switch information comprises: the temporal information of professional sending mode information of the MBMS after the switching and switching; Trigger module is used for when handover module is about to carry out the switching of the professional sending mode of MBMS the operation of trigger notice module.
Preferably, the professional sending mode of MBMS comprises one of following: point-to-point, put multiple spot.
Preferably, the temporal information of switching comprises one of following: time value, from current time delay value, the System Frame Number of wave point, Connection Frame Number backward.
By above-mentioned at least one technical scheme of the present invention, when changing by sending mode in the MBMS of certain network element business, the situation of change of the professional sending mode of this MBMS is notified to the related network elements that this carries out this MBMS business, make related network elements to handle accordingly, avoid influencing in the mode switch process quality of reception of user terminal, improved user experience.
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 process chart of mode switch Notification Method according to the preferred embodiment of the invention;
Fig. 2 is the signaling process flow chart that method shown in Figure 2 is applied to the network architecture one;
Fig. 3 is the signaling process flow chart that method shown in Figure 2 is applied to the network architecture two;
Fig. 4 is the signaling process flow chart that method shown in Figure 2 is applied to the network architecture three;
Fig. 5 is the structured flowchart according to the mode switch processing unit of apparatus of the present invention embodiment.
Embodiment
Functional overview
In embodiments of the present invention, a kind of mode switch Notification Method and mode switch processing unit are provided, wherein, when the sending mode of the MBMS business of certain network element changes, it gives the network element relevant with this network element with the message informing that this sending mode changes, and makes related network elements to handle accordingly.
Describe the present invention in detail below in conjunction with accompanying drawing.
Method embodiment
According to embodiments of the invention, a kind of mode switch Notification Method is provided, be used between first network element and second network element, carrying out the switching notice of the professional sending mode of MBMS, wherein, first network element and second network element all are used to send the MBMS business datum.
For make different network elements can roughly the same time synchronized switch to the professional sending mode of identical MBMS, just need before switching, relevant information be notified to the network element of participation switching, with first network element and second network element is example, when first network element is about to switch at the professional sending mode of the MBMS of its sub-district, to the second network element sending mode handover information, mode switch information comprises the professional sending mode information of MBMS after the switching and the temporal information of switching.The sending mode here includes but not limited to point-to-point (PTP), puts multiple spot (PTM); Switching time, information included but not limited to one of following: time value, from current time delay value backward, the System Frame Number of wave point (SFN), Connection Frame Number (CFN).
By above implementation step, when the sending mode of the MBMS of certain network element business changes, the situation of change of the professional sending mode of this MBMS is notified to the related network elements that this carries out this MBMS business, make related network elements to handle accordingly, avoid influencing in the mode switch process quality of reception of user terminal, improved user experience.
In the concrete process of implementing, first network element can be by interface to the second network element sending mode handoff notification message, and carry mode switch information in this message.
Further, the network element that participates in switching is after having obtained above-mentioned relevant information, just can carry out sending mode according to this information switches, for example, with second network element is example, second network element in its subordinate sub-district from the temporal information moment corresponding of switching, use the professional sending mode of MBMS of the professional sending mode information of the MBMS correspondence after switching to send the MBMS business, correspondingly, first network element also can bring into use the professional sending mode of MBMS to send the MBMS business in the temporal information moment corresponding of switching.Like this, different network elements can roughly the same time synchronized switch to the professional sending mode of identical MBMS.
The technical scheme that provides by present embodiment, when the sending mode of subordinate's cell MBMS business of certain network element changes, give the network element relevant by the message informing that this sending mode is changed with this network element, avoid influencing in the mode switch process quality of reception of user terminal, improved user experience.
Below the preferred embodiments of the present invention are described.
In the present embodiment, network element one and network element two are the relation of last/lower network element, and network element one is the upper strata network element, and network element two is a lower network element.Be the relation of one-to-many between network element one and the network element two, promptly network element one can corresponding one or more network elements two as lower network element as the upper strata network element.
Particularly, upper strata network element and lower network element can be the compound modes of following network element, but are not limited to following combination:
Combination one, in the MBMS service synchronization networking of universal land radio access web (UTRAN) system, the upper strata network element is upper strata RNC, lower network element is the RNC of lower floor, wherein, interface between upper strata network element and lower network element is the Iur interface, and in this combination, the upper strata network element is the identical network element of physical function with lower network element;
Combination two, in the MBMS service synchronization networking of the high-speed packet access system (HSPA+) that strengthens, the upper strata network element is that master control radio network controller (RNC) or host node add (master NodeB+, be master NB+), lower network element is that slave node adds (slave NodeB+, i.e. slave NB+), wherein, interface between upper strata network element and lower network element is the Iur interface, and in this combination, upper strata network element and lower network element be the different network element of logic function for physical function is identical;
Combination three, in the MBMS service synchronization networking of long evolving system (LTE), the upper strata network element is multimedia gateway (MGW) or MCE, and lower network element is enode b (E-UTRAN NodeB), and wherein, the interface between upper strata network element and lower network element is the M2 interface.
Fig. 1 shows the handling process of mode switch Notification Method according to the preferred embodiment of the invention, and as shown in Figure 1, this handling process comprises that step 1 is to step 2b.
Step 1, network element one are by interface, and for example Iur interface or M2 interface with the pattern information of certain MBMS business and the temporal information that begins to change the professional sending mode of MBMS, send to one or more network elements two;
Step 2a, network element two receives above-mentioned information, in the moment of temporal information indication, begins to adopt sending mode to send the MBMS business;
Step 2b, network element one begin to adopt sending mode to send the MBMS business in the moment of temporal information indication.
Wherein, above-mentioned sending mode information can be point to point system, puts multipoint system, can be that point arrives multiple spot list sub-district mode, puts many sub-districts send mode of multiple spot; Above-mentioned temporal information can be the synchronous time value of a network element one and network element two, can be radio interface system frame number SFN or Connection Frame Number CFN, can be the value of backward delaying time from the current time.
Fig. 2 shows the signaling process flow process that method shown in Figure 1 is applied to the network architecture one, the network architecture one is the MBMS service synchronization networking of the UTRAN system shown in the combinations thereof one, wherein, the upper strata network element is upper strata RNC, lower network element is the RNC of lower floor (comprising RNC of lower floor or RNC 1 to RNC n), as shown in Figure 2, this processing procedure comprises that step 1 as shown in Figure 1 is to step 2b.
Fig. 3 shows the signaling process flow process that method shown in Figure 1 is applied to the network architecture two, the network architecture two is the MBMS service synchronization networking of the HSPA+ shown in the combinations thereof two, wherein, the upper strata network element is center NodeB+ (centric NB+, or master NB+), lower network element is NodeB+ (comprising NodeB+ or NodeB+1 to NodeB+n), and as shown in Figure 3, this processing procedure comprises that step 1 as shown in Figure 1 is to step 2b.
Fig. 4 shows the signaling process flow process that method shown in Figure 1 is applied to the network architecture three, the network architecture three is the MBMS service synchronization networking of the LTE system shown in the combinations thereof three, wherein, the upper strata network element is media gateway (MGW) or media center (MCE), lower network element is ENB (E-UTRAN NodeB) (comprising ENB or ENB 1 to ENB n), as shown in Figure 4, this processing procedure comprises that step 1 as shown in Figure 1 is to step 2b.
The technical scheme that provides by present embodiment, when the sending mode of subordinate's cell MBMS business of certain network element changes, give the network element relevant by the message informing that this sending mode is changed with this network element, avoid influencing in the mode switch process quality of reception of user terminal, improved user experience.
Device embodiment
According to the embodiment of the invention, a kind of mode switch processing unit is provided, wherein, the method shown in the said method embodiment can realize by this device.
Fig. 5 shows the structural framing figure according to the mode switch processing unit of the embodiment of the invention, and this device can be positioned at the first network element side, and as shown in Figure 5, this device comprises:
Handover module 50 is used to carry out the switching of the professional sending mode of MBMS;
Notification module 52 is used for to other network element notification mode handover informations, and wherein, mode switch information comprises: the temporal information of professional sending mode information of the MBMS after the switching and switching;
Trigger module 54 is used for when handover module 50 is about to carry out the switching of the professional sending mode of MBMS, the operation of trigger notice module 52, and this module can be connected to handover module 50 and notification module 52.
Wherein, it is one of following that sending mode comprises: point-to-point, put multiple spot, switching time, information comprised one of following: time value, from current time delay value, the system frame number SFN of wave point, Connection Frame Number CFN backward.
In sum, by means of mode switch Notification Method provided by the invention and/or mode switch processing unit, when the sending mode of the MBMS business of certain network element changes, give the related network elements of this network element by the message informing that this sending mode is changed, related network elements can be handled accordingly, avoid influencing in the mode switch process quality of reception of user terminal, improved user experience.
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 (8)
1. a mode switch Notification Method is characterized in that, comprising:
When first network element is about to switch at the professional sending mode of the MBMS of its sub-district, to the second network element sending mode handover information, described mode switch information comprises the professional sending mode information of MBMS after the switching and the temporal information of described switching, wherein, described first network element and described second network element all are used to send the MBMS business datum.
2. method according to claim 1 is characterized in that, described method also comprises:
Described second network element is the temporal information moment corresponding from described switching in its subordinate sub-district, uses the professional sending mode of MBMS of the professional sending mode information of the MBMS correspondence after the described switching to send described MBMS business datum.
3. method according to claim 1 is characterized in that, it is one of following that the professional sending mode of described MBMS comprises: point-to-point, put multiple spot.
4. according to each described method in the claim 1 to 3, it is characterized in that described first network element to the process of the described second network element sending mode handover information is:
Described first network element is to the described second network element sending mode handoff notification message, and carries described mode switch information in described mode switch notification message.
5. according to each described method in the claim 1 to 3, it is characterized in that it is one of following that the temporal information of described switching comprises: time value, from current time delay value, the System Frame Number of wave point, Connection Frame Number backward.
6. a mode switch processing unit is characterized in that, comprising:
Handover module is used to carry out the switching of the professional sending mode of MBMS;
Notification module is used for to other network element notification mode handover informations, and wherein, described mode switch information comprises: the temporal information of professional sending mode information of the MBMS after the switching and described switching;
Trigger module is used for triggering the operation of described notification module when described handover module is about to carry out the switching of the professional sending mode of MBMS.
7. device according to claim 6 is characterized in that, it is one of following that the professional sending mode of described MBMS comprises: point-to-point, put multiple spot.
8. according to claim 6 or 7 described devices, it is characterized in that it is one of following that the temporal information of described switching comprises: time value, from current time delay value, the System Frame Number of wave point, Connection Frame Number backward.
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| Application Number | Priority Date | Filing Date | Title |
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| CN200810166206A CN101686503A (en) | 2008-09-22 | 2008-09-22 | Mode switch notifying method and mode switch processing device |
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| CN200810166206A CN101686503A (en) | 2008-09-22 | 2008-09-22 | Mode switch notifying method and mode switch processing device |
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Application publication date: 20100331 |