CN101163335A - Method and network appliance for mobility management of stacked network - Google Patents

Method and network appliance for mobility management of stacked network Download PDF

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Publication number
CN101163335A
CN101163335A CNA2007100315285A CN200710031528A CN101163335A CN 101163335 A CN101163335 A CN 101163335A CN A2007100315285 A CNA2007100315285 A CN A2007100315285A CN 200710031528 A CN200710031528 A CN 200710031528A CN 101163335 A CN101163335 A CN 101163335A
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network
target cell
overlay network
switching
mobile mark
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CN101163335B (en
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李欣
李晓骏
施锐
王鹏
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XFusion Digital Technologies Co Ltd
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Huawei Technologies Co Ltd
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Abstract

The embodiment of the invention discloses an overlay network mobility management method. The overlay network comprises a second network and a first network overlaid at the second network, wherein, the method comprises that the first network receives the switch requirement to select an object cell for switching; when the selected object cell is the cell of the second network, an user terminal is switched to the object cell according to the overlay network mobile mark. According to the overlay mobile management method and network device provided by the embodiment of the invention, frequent switch surpassing IUR interface between the first and second networks can be prevented, the IUR interface load is reduced, and the network system function is improved.

Description

The overlay network mobility management method and the network equipment
Technical field
The present invention relates to moving communicating field, relate in particular to a kind of overlay network mobility management method and the network equipment.
Background technology
In mobile communications network is built,, tend to occur the 3G network that has covered is carried out the situation of dilatation as 3G (Third Generation) Moblie (3G) networking.General dilatation way is to adopt the superimposed type network to carry out dilatation.
The superimposed type network is to carry out dilatation in the scope that legacy network covers, legacy network equipment may be to be provided by different equipment suppliers with the newly-increased network equipment, therefore, can there be some compatibling problems that exist between former network and the new network on technical scheme and the interface.
In the superimposed type network since the base station of different vendor all by oneself radio network controller (RadioNetwork Controller, RNC) control, and the sub-district of two manufacturers mostly is with covering, if do not carry out specific (special) requirements for the mobility between two network layers, the mutual of a large amount of IUR mouths will appear, produce a large amount of signaling and data traffic, a large amount of signalings and data traffic are that the IUR interface is unaffordable.Therefore, the superimposed type network requirement utilizes the old and new's network covering resource separately as far as possible, reduce the impact of different vendor's equipment interface as far as possible, the user that old service is set up in the superimposed type network requirement inserts in former network layer as far as possible, and it is mobile in legacy network by this part user by the mobility strategy is set, simultaneously, wish to use the user of new business function to insert, and maintain in the new network as far as possible so that the user continues to enjoy the new business function in new network layer.
And in the superimposed type network because newly-increased network layer not necessarily covers whole coverages of legacy network fully, when when new network layer uses professional user to move to new network coverage edge, these users need smooth and easy moving in the old network layer, so that keep the continuity of conversation.Therefore, superimposed type network requirement mobile management is wanted to distinguish the region, and user's mobile management is required to be accurate to the Target cell level.
Fig. 1 illustrates a kind of typical superimposed type topology of networks.Wherein, it is the coverage of legacy network equipment that the network layer of white covers, and its frequency is F1, and often coverage is wider, but comes with some shortcomings, and is more outmoded such as equipment, can not support new 3G function.It is new network that the network layer of Dark grey covers, may have a plurality of frequencies (F1, F2, F3), identical or different with former network, its coverage may not reach the All Ranges that legacy network covers, newly-increased network can provide the 3G function, and the business abundanter than former network is provided.
In order to satisfy the requirement of above-mentioned superimposed type network, existing mobile management is that alien frequencies, the alien frequencies system diverter switch by cell-level controlled, and forbids that for the central authorities of new network coverage alien frequencies switches, and can carry out alien frequencies and switches and cover the edge; Close with frequency soft handover, direct-cut operation to stop the generation that new business falls after rise to old service at the IUR mouth with frequently mending blind sub-district; Carry out the mobility strategy difference of different mobility measurements control for different IUR mouths with compatible heterogeneous networks layer equipment, such as forbid the migration to this IUR mouth, the common signal channel of striding the IUR mouth set up, forbid the direct signaling link of this IUR mouth discharge (Direct SignalConnection Release, DSCR).
And the inventor finds in realizing process of the present invention: prior art can be forbidden the generation that alien frequencies switches with the scope of cell-level, but can not distinguish target frequency and Target cell, if the new a plurality of frequencies of network using, also having forbidden of the switching of other frequencies so by mistake.For forbidding that with frequency the switching of striding IUR takes place, accurately differentiated service causes the obstruction to using the old service user to move.
Summary of the invention
The embodiment of the invention is to provide a kind of overlay network mobility management method and the network equipment, can limit switching to Target cell and target frequency, to avoid striding between new, the old network the frequent switching of IUR mouth.
For this reason, the embodiment of the invention has proposed a kind of overlay network mobility management method, and described overlay network comprises: first network, be superimposed upon second network on first network, described method comprises:
After first network receives handoff request, choose the Target cell of switching;
When the Target cell of choosing is the sub-district of second network, user terminal is switched to described Target cell according to default overlay network mobile mark.
Correspondingly, the embodiment of the invention also provides a kind of network equipment, and it comprises:
Memory cell is used to store the overlay network mobile mark;
Receiving element is used to receive handoff request;
Selected cell is used to choose the Target cell of switching;
Switch unit is used for according to described overlay network mobile mark user terminal being switched to described Target cell.
A kind of overlay network mobility management method that the embodiment of the invention provides and the network equipment are distinguished the Target cell that need switch by adopting the overlay network mobile mark, because corresponding frequency in sub-district, so the embodiment of the invention reaches differentiation to the target frequency by the differentiation to Target cell, the switching of having avoided a large amount of new network and old network to stride the IUR mouth, alleviate the load of IUR mouth, improved the network system performance.
Description of drawings
Fig. 1 is a kind of superimposed type topology of networks schematic diagram;
Fig. 2 is the structural representation of a kind of network equipment of providing of the embodiment of the invention;
Fig. 3 is the structural representation of switch unit in the described network equipment of Fig. 2;
Fig. 4 is a kind of overlay network mobility management method flow chart of the embodiment of the invention;
Fig. 5 is the illustration scene schematic diagram of a kind of overlay network mobility management method of the embodiment of the invention;
Fig. 6 is the flow chart of first specific embodiment of a kind of overlay network mobility management method of the embodiment of the invention;
Fig. 7 is the flow chart of second specific embodiment of a kind of overlay network mobility management method of the embodiment of the invention;
Fig. 8 is the flow chart of the 3rd specific embodiment of a kind of overlay network mobility management method of the embodiment of the invention;
Fig. 9 is the illustration scene schematic diagram of a kind of overlay network mobility management method of the embodiment of the invention;
Figure 10 is the flow chart of the 4th specific embodiment of a kind of overlay network mobility management method of the embodiment of the invention;
Figure 11 is the flow chart of the 5th specific embodiment of a kind of overlay network mobility management method of the embodiment of the invention;
Figure 12 is the flow chart of the 6th specific embodiment of a kind of overlay network mobility management method of the embodiment of the invention.
Embodiment
Elaborate a kind of overlay network mobility management method that the embodiment of the invention proposes and the technical scheme of network management device below in conjunction with accompanying drawing, described overlay network comprises: first network and be superimposed upon second network on first network.
With reference to figure 2, illustrate a kind of network equipment of the embodiment of the invention, it comprises:
Memory cell 1 is used to store the overlay network mobile mark;
Receiving element 2 is used to receive handoff request;
Selected cell 3 after being used for receiving element 2 and receiving handoff request, is chosen the Target cell of switching;
Switch unit 4 is used for according to described overlay network mobile mark user terminal being switched to described Target cell.
Dispensing unit 5 is used for the overlay network mobile mark of memory cell 2 is configured to allow or forbid.
Wherein, as shown in Figure 3, the described switch unit 4 of Fig. 2 comprises:
Measure-controlling unit 21 is used for judging whether that according to the overlay network mobile mark of described memory cell 1 the sending measuring control signal is to Target cell;
Measuring unit 22 is used for arriving Target cell according to the control signal of sending measuring as a result of described judgement;
Report receiving element 23, be used for the measurement report of receiving target sub-district;
Switch performance element 24, be used for user terminal is switched to described Target cell.
Particularly, the described network equipment of the embodiment of the invention can be RNC.
More than a kind of network equipment of the embodiment of the invention has been done concrete description, elaborate the technical scheme of a kind of overlay network mobility management method of the embodiment of the invention below in conjunction with accompanying drawing.
As shown in Figure 4, a kind of flow chart of overlay network mobility management method; Described overlay network comprises: first network on second network, stack second network, and wherein, first network is for using the new network of new equipment, and second network is for using the former network of used equipment.
Adjacent R NC (Neighboring RNC on the RNC of first network of stacking network in advance, NRNC) increase " overlay network mobile mark " in the cell information, and described overlay network mobile mark is configured to allow or forbid, user terminal (UE) is in moving process, and the overlay network mobile management of the embodiment of the invention specifically comprises:
Step S1, first network receive the handoff request that RNC triggers, and described switching comprises: blind switching, open the switching of measurement;
Wherein, described blind switching is a kind of switching that the Target cell signal quality is measured of not needing, and receives handoff request, has selected Target cell just to initiate switching flow immediately;
Described switching of opening measurement needs the measurement of RNC initiation to the Target cell signal quality, and judgement meets switching condition in case the measurement report that reports is through RNC, and RNC will initiate switching flow.
Step S2, the RNC of first network chooses the Target cell of switching;
Step S3 when the Target cell of selecting is the sub-district (being the NRNC sub-district) of second network, switches to Target cell according to default overlay network mobile mark with user terminal.
Wherein, step 3 is specially:
When the overlay network mobile mark is made as permission, described user terminal is switched to described Target cell (i.e. the sub-district of second network);
When the overlay network mobile mark is made as when forbidding process ends.
A kind of overlay network mobility management method that on the whole embodiment of the invention is provided is described above, in order to further specify technical scheme of the present invention, below in conjunction with concrete application scenarios shown in Figure 5, described method is described in detail with Fig. 6 and the described flow process of Fig. 7.
With reference to figure 5, illustrate a kind of illustration scene of overlay network mobility management method.As shown in the figure, the network layer of white is original 3G R99 network (second network), its frequency is F1, because its equipment is more outmoded, do not support new 3G function, on the basis of original 3G R99 network, increased 3G R5 (R6) network (first network) newly, that is: the network layer of the Dark grey among the figure, its frequency is F2, F3, and is more more professional than original R99 network support.
As shown in Figure 5, there are 3 kinds of application scenarioss, at first need the mobile management of these 3 kinds of scenes is disposed respectively:
For first scene, subscriber equipment (UE) is in the central authorities of superimposed type network, for fear of the switching of between first network and second network, striding vendor equipment continually, reduce the IUR interface flow, therefore, " the overlay network mobile mark " of the NRNC cell information on the RNC of first network is configured to forbid, the RNC of second network is configured to forbid switch to first network.
For second scene, UE moves to the edge of superimposed type network, i.e. first network coverage deficiency, in order to guarantee professional continuity, need switch to second network, therefore, " the overlay network mobile mark " of the NRNC cell information on the RNC of first network is configured to allow;
For the 3rd scene, UE moves to the coverage of first network from second network, because it is professional that the user has network to set up second, and the coverage of second network has comprised the coverage of first network, need not switch to first network again, therefore, the RNC of second network is configured to forbid switch to first network.
According to above-mentioned configuration, on the RNC of the middle section of first network, the overlay network mobile mark is configured to forbid to forbid that user terminal switches to second network, and directly forbid switching to first network at second network, having reduced subscriber equipment effectively frequently switches between first network and second network, reduced the IUR interface flow effectively, improved the IUR interface capability
With the blind example that switches to, set forth a kind of overlay network mobility management method of the embodiment of the invention first, second scene process flow process below at above-mentioned Fig. 5 in conjunction with Fig. 6.
Step S601 receives because load-reason causes the blind handoff request of alien frequencies of RNC triggering or the urgent blind handoff request of alien frequencies that RNC triggers;
Step S602 obtains possessing the sub-district of blind switching primary condition by the general decision process of blind switching;
Wherein, the state of UE is mainly judged in the general judgement of described blind switching, for example: whether the source is in dedicated channel for UE, whether UE place current area allows to carry out blind switching, and whether current area possesses the primary condition (as: whether current area exists the Target cell that can carry out blind switching) of blind switching.
Step S603, carrying out blind switching target small area selects, further choose Target cell from the sub-district that the general judgement of described blind switching obtains, the coverage of described Target cell will comprise the coverage of current area, and the frequency of described Target cell will be in the support scope of UE;
Step S604, when the Target cell of selecting is the sub-district (that is: the sub-district the adjacent R NC of current RNC under) of NRNC, judge whether to switch to Target cell according to the overlay network mobile mark of presetting, be judged as and be, execution in step S605 then, otherwise execution in step S606;
In the described scene of Fig. 5,,, therefore, be judged as not execution in step S606 because " the overlay network mobile mark " of the NRNC cell information of current RNC be configured to forbid for first scene;
For second scene, " the overlay network mobile mark " of the NRNC cell information of current RNC is configured to allow, and therefore, is judged as and is execution in step S605;
Step S605 initiates blind switching flow, switches to Target cell, and promptly finish adjacent R NC sub-district.
Step S606 refuses blind handoff request, finishes.
Above-mentioned overlay network mobility management method under the situation of blind switching is set forth, below in conjunction with Fig. 7, to open the example that switches to of measurement, the overlay network mobility management method of the embodiment of the invention is to first, second scene process flow process of above-mentioned Fig. 5.
As shown in Figure 7, described stacking network mobility management method comprises:
Step S701 receives the handoff request that RNC triggers;
Step S702, received handoff request after, screen general judgement by the measurement target sub-district, current RNC filters out the sub-district that needs the sending measuring control signal, comprises the sub-district under current RNC and the NRNC;
Step S703 has selected the NRNC sub-district;
Step S704 judges whether sending measuring to Target cell according to default overlay network mobile mark, if, execution in step S706 then, otherwise, execution in step S705;
In the described scene of Fig. 5,,, therefore, be judged as not execution in step S705 because " the overlay network mobile mark " of the NRNC cell information of current RNC be configured to forbid for first scene;
For second scene, " the overlay network mobile mark " of the NRNC cell information of current RNC is configured to allow, and therefore, is judged as and is execution in step S706;
Step S705, the sending measuring control signal does not forward step S709 to described NRNC sub-district;
Step S706, the sending measuring control signal is to described NRNC sub-district;
Step S707 receives the measurement report of described NRNC sub-district;
Step S708, judge whether meet switching condition by Target cell (as: signal quality of Target cell is higher than the handoff threshold of RNC regulation according to described measurement report, the integrated signal quality of current frequency is lower than the thresholding of RNC regulation etc.), if, execution in step S709 then, otherwise, execution in step S710;
Step S709 initiates switching flow, switches to Target cell (being the NRNC sub-district), finishes;
Step S710, refusal is carried out switching flow, finishes.
Need to prove, in the described embodiment of Fig. 7, (after the step S708) carried out after the step of the judgement of overlay network mobile mark (step S704) can be switched according to measurement report decision initiation by the time, particularly, as shown in Figure 8, described overlay network mobility management method comprises:
Step S801 receives the handoff request that RNC triggers;
Step S802 after request is changed in reception, screens general judgement by the measurement target sub-district, and current RNC filters out the sub-district that needs the sending measuring control signal, comprises the sub-district under current RNC and the NRNC;
Step S803 has selected the NRNC sub-district;
Step S804, the sending measuring control signal is to described NRNC sub-district;
Step S805 receives the measurement report of described NRNC sub-district;
Step S806, judge according to described measurement report whether described NRNC meets switching condition (as: signal quality of Target cell is higher than the handoff threshold of RNC regulation, and the integrated signal quality of current frequency is lower than the thresholding of RNC regulation etc.), if, execution in step S807 then, otherwise carry out S808;
Step S807 judges whether sending measuring to Target cell according to default overlay network mobile mark, if, execution in step S706 then, otherwise, execution in step S705;
In the described scene of Fig. 5,,, therefore, be judged as not execution in step S808 because " the overlay network mobile mark " of the NRNC cell information of current RNC be configured to forbid for first scene;
For second scene, " the overlay network mobile mark " of the NRNC cell information of current RNC is configured to allow, and therefore, is judged as and is execution in step S809;
Step S808, refusal switches, and finishes;
Step S809 initiates switching flow, switches to Target cell (being the NRNC sub-district), finishes.
Last mask body has been set forth UE in first network (newly-increased network) of overlay network and the mobile management between second network (former network), below in conjunction with Fig. 9 and Figure 10, be example with UE existing to move, further set forth the technical scheme of the embodiment of the invention with the superimposed type network of frequently mending blind sub-district.
As shown in Figure 9, the 4th scene is that UE moves to the blind sub-district of benefit by second network (network layer of white), is newly-increased sub-district owing to mend blind sub-district, generally belongs to the RNC management of first network, generally belong to different manufacturers with the RNC of second network, need stride the IUR mouth and switch;
What the 5th scene was that UE uses is the new business (as: HSPA business) of first network support, because former network is not supported new business, in order to guarantee professional continuity, do not wish to switch in the legacy network, therefore, " the overlay network mobile mark " at the NRNC cell information of the RNC of second network is configured to forbid;
What the 6th scene was that UE uses is the old service (be included in second network and mend the old service that blind sub-district is set up) of second network support, because these old services of second network support (as: DCH business), therefore, such user's same frequency, alien frequencies mobility are not subjected to any restriction.
Specifically set forth the concrete handling process of method in illustration scene shown in Figure 9 of the embodiment of the invention below in conjunction with Figure 10.
As shown in figure 10, described overlay network mobility management method comprises:
Step S901 receives handoff request;
Step S902, the user uses business whether to be new business under judging, if, execution in step S903 then, otherwise be old service, because this class user is not subjected to any restriction, execution in step S904;
Particularly, the 4th scene shown in Figure 9 and the 6th scene, what user terminal used is old service, promptly the business of second network support is unrestricted, can be moved to by second network and mend blind sub-district, also can move to second network, therefore forward step S904 to by mending blind sub-district;
For the 5th scene, when user terminal use be the new business of first network support time because second network is not supported new business, move to second network so need limit it, therefore forward step S903 to.
Step S903 judges whether to switch to Target cell according to the overlay network mobile mark, if, execution in step S904 then, otherwise, execution in step S905;
Because in the 5th scene, second network is not supported new business, in order to guarantee professional continuity, not wishing to switch to second has in the network, therefore, is configured to forbid in " the overlay network mobile mark " of the NRNC cell information of the RNC of first network, that is: be judged as not execution in step S905;
Step S904 initiates switching flow, switches to Target cell;
Step S905, refusal switches, and uses the UE of new business to continue in continuous this business of using of first network trunk.
Need to prove, in mending the switching of blind sub-district, when business changes, as being altered to old service (business of second network support) from new business (business of first network support), or be altered to new business from old service, all can trigger with frequently or the modification of different-frequency measure control, for this situation, the handling process of the management method of the embodiment of the invention as shown in figure 11, it comprises:
Step S11, the business of user terminal (UE) is changed, as: new business is altered to old service, or is altered to new business from old service;
Step S12 need to judge whether sending measuring control to revise, and when detecting business change, signal is revised in the control of RNC decision sending measuring;
Step S13, for new business, RNC does not issue common frequency measurement control and revises signal is gone up configuration to this RNC " overlay network mobile mark " NRNC sub-district for forbidding, for not limiting in other sub-district and old service;
Step S14, for new business, the handoff threshold that uses in the different-frequency measure control is revised as the handoff threshold at new business, and the handoff threshold of old service is still used in control for the old service different-frequency measure.
Need to prove, for switching with frequency, because all supporting homogeneous-frequency adjacent-domain to leak, present most of vendor equipment joins function, that is: do not receive the adjacent area (comprising the NRNC sub-district that the overlay network mobile mark is forbidden) of common frequency measurement control, also may report same-frequency measure reporting, this will cause user terminal being switched to the NRNC sub-district that the overlay network mobile mark is forbidden, for fear of switching to the NRNC sub-district that the overlay network mobile mark is forbidden, the method of the embodiment of the invention adds the step of the judgement of overlay network mobile mark to the processing of same-frequency measure reporting the time, particularly, as shown in figure 12, after issuing common frequency measurement control, described overlay network mobility management method also comprises:
Step S21 is the 1A/1C report when receiving the same-frequency measure reporting that Target cell uploads, and forwards step S23 to, and described 1A/1C report is in the common frequency measurement process, the report of uploading at 1A, 1C incident.
Described 1A, 1C incident refer to respectively when the difference of the signal quality of the public guide frequency of the co-frequency cell of non-active set and active set integrated signal quality satisfies 1A, 1C threshold requirement, Target cell need be added active set to the 1A incident, will replace the poorest sub-district of current active collection signal quality with Target cell the 1C incident.
Step S22 is the 1D report when receiving the same-frequency measure reporting that Target cell uploads, and directly rotates step S26; Described 1D report is in the common frequency measurement process, the report of uploading at the 1D incident.
Described 1D incident is meant that Target cell common pilot signal quality is higher than the signal quality of current best cell, and when satisfying regulation sluggish, Target cell is added active set, and with Target cell as the current best sub-district of user terminal.
Step S23, whether judge current is new business (as: HSPA business), if, forward step S24 to, otherwise be old service (as: DCH business), forward step S26 to.
Step S24 judges according to default overlay network mobile mark whether Target cell is the NRNC sub-district that described overlay network mobile mark is forbidden, if then forward step S25 to, otherwise forward step S26 to;
Step S25, the 1A/1C report that the NRNC that forbids for described overlay network mobile mark uploads does not process, and finishes.
Step S26 does not carry out the judgement of overlay network mobile mark for the 1A/1C incident that 1D report, the current DCH of being business and Target cell are uploaded for other sub-district except that the NRNC sub-district, directly enters step S27;
Step S27 carries out normal decision process to measurement report (comprising: 1A/1C report, 1D report), as: according to as described in report judge whether user terminal is switched to Target cell.
By the foregoing description as can be known, a kind of overlay network mobility management method provided by the invention and the network equipment, distinguish Target cell (NRNC sub-district) according to the overlay network mobile mark of RNC side setting and whether need to stride the switching of IUR interface, because corresponding frequency in sub-district, so the embodiment of the invention has reached differentiation to the target frequency by the differentiation to Target cell, a large amount of meaningless striding the switching of the IUR of manufacturer interface and cause the IUR interface load overweight have been avoided, improved the performance of network system, simultaneously, owing to reduced and striden the IUR interface and switch, also solved the problem that large coverage network performance that different vendor's equipment compatibility causes descends.
Because technical solution of the present invention is by being provided with the overlay network mobile mark at the NRNC of RNC cell information, can accomplish different mobility control strategies is taked in the different target sub-district, the granularity of mobility policy control is littler, can more accurate differentiation switching target.
The above is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also are considered as protection scope of the present invention.

Claims (10)

1. overlay network mobility management method, described overlay network comprises: second network and be superimposed upon first network on second network is characterized in that described method comprises:
First network receives handoff request;
Choose the Target cell of switching;
When the Target cell of choosing is the sub-district of second network, user terminal is switched to described Target cell according to default overlay network mobile mark.
2. the method for claim 1 is characterized in that, described switching comprises: blind switching, open the switching of measurement.
3. method as claimed in claim 2 is characterized in that,, according to default overlay network mobile mark user terminal is switched to described Target cell and is specially when switching to the switching of opening measurement when described:
Judge whether the sending measuring control signal to Target cell according to the overlay network mobile mark, if the judgment is Yes, then the sending measuring control signal is to Target cell;
After receiving the measurement report of Target cell, judge whether to satisfy switching condition, if the judgment is Yes, then user terminal is switched to Target cell according to described measurement report.
4. method as claimed in claim 2 is characterized in that, when described when switching to the switching of opening measurement, also comprises before user terminal being switched to the step of described Target cell in the default overlay network mobile mark of described basis:
The sending measuring control signal is to Target cell;
After receiving the measurement report of Target cell, judge whether to satisfy switching condition, if the judgment is Yes, then carry out the step that the default overlay network mobile mark of described basis switches to user terminal described Target cell according to described measurement report.
5. method as claimed in claim 3 is characterized in that, when the measurement report of the described Target cell that receives is same-frequency measure reporting, also comprises judge whether to satisfy the step of switching condition according to described measurement report before:
Judge whether described measurement report is handled according to default overlay network mobile mark, if the judgment is Yes, then carry out the described step that judges whether to satisfy switching condition according to described measurement report.
6. as any described method of claim 1-5, it is characterized in that described method also comprises: the overlay network mobile mark on the radio network controller of first network is configured to allow or forbid in advance.
7. method as claimed in claim 6 is characterized in that, described overlay network mobile mark on the radio network controller of first network in advance is configured to allow or the step of forbidding specifically comprises:
Central authorities in first network coverage are configured to described overlay network mobile mark to forbid;
Edge in first network coverage is configured to described overlay network mobile mark to allow;
Exist the overlay network mobile mark on the radio network controller of mending blind sub-district to be configured to forbid.
8. a network equipment is characterized in that, comprising:
Memory cell is used to store the overlay network mobile mark;
Receiving element is used to receive handoff request;
Selected cell is used to choose the Target cell of switching;
Switch unit is used for according to described overlay network mobile mark user terminal being switched to described Target cell.
9. the network equipment as claimed in claim 8 is characterized in that, described switch unit comprises:
Measure-controlling unit is used for judging whether that according to the overlay network mobile mark of described memory cell the sending measuring control signal is to Target cell;
Measuring unit is used for arriving Target cell according to the control signal of sending measuring as a result of described judgement;
Report receiving element, be used for the measurement report of receiving target sub-district;
Switch performance element, be used for user terminal is switched to described Target cell.
10. the network equipment as claimed in claim 8 or 9 is characterized in that the described network equipment also comprises:
Dispensing unit is used for the overlay network mobile mark of memory cell is configured to allow or forbid.
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CN101754323B (en) * 2008-12-15 2012-05-23 华为技术有限公司 Method and device for reporting measurement result
WO2014161451A1 (en) * 2013-04-01 2014-10-09 电信科学技术研究院 Method and apparatus for determining network switching
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