CN103763718B - Select method, gateway, base station, mobile terminal and the system of base station - Google Patents
Select method, gateway, base station, mobile terminal and the system of base station Download PDFInfo
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- CN103763718B CN103763718B CN201310754730.6A CN201310754730A CN103763718B CN 103763718 B CN103763718 B CN 103763718B CN 201310754730 A CN201310754730 A CN 201310754730A CN 103763718 B CN103763718 B CN 103763718B
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Abstract
The invention discloses a kind of method of selection base station, gateway, base station, mobile terminal and system, belong to the communications field.The method includes：The current performance in tunnel, obtains tunnel current performance data where detection；Tunnel current performance data is uploaded to connected base station, after being sent to mobile terminal by base station, makes mobile terminal that a base station is selected from each base station according to the tunnel current performance data that each base station in overlapping region sends.The present invention is after the current performance in tunnel where detecting obtains tunnel current performance data and is uploaded to connected base station, mobile terminal is sent to by base station, mobile terminal is set to select a base station to access from multiple base stations according to the tunnel current performance data that each base station in overlapping region sends, when ensuring that mobile terminal selects base station in overlapping region, it is to be selected according to tunnel performance, so as to select preferable base station to access IP bearer networks, while improving communication quality, good operating experience is brought to user.
Description
Technical field
The present invention relates to the communications field, more particularly to a kind of method of selection base station, gateway, base station, mobile terminal and it is
System.
Background technology
, it is necessary to complete communication process by the cooperation of base station and base station controller when being communicated using mobile terminal
Signal transmission.Wherein, base station is by IP (Internet Protocol, Internet protocol) bearer networks and base station controller intercommunication.It is logical
Often, inside IP bearer networks, can be by MPLS（Multi-Protocol Label Switching, multiprotocol label switching）、
L2VPN (L2Virtual Private Network, Layer 2 virtual private network)/L3VPN (L3Virtual Private
Network, Layer3 Virtual Private Network) or IP route technologies create tunnel between base station to base station controller, for carrying
Business between base station and base station controller.Further, since wireless base station signal is covered in cellular form, in order to ensure
Communication blind district is occurred without, there is overlap between the signal of adjacent base station, i.e., the mobile terminal in overlapping region may be simultaneously
Receive the signal that several base stations send, and different base station is by different tunnels and base station controller intercommunication.In such case
Under, the mobile terminal in overlapping region needs to select certain base station to access IP bearer networks.
In correlation technique, when mobile terminal communicates in the overlapping region that multiple base stations cover, can be according to overlapping region
The power of the signal that multiple base stations provide selects which base station to access IP bearer networks with, and would generally the strong base station of selection signal
To access IP bearer networks.When mobile terminal receive multiple base station signals it is the same in the case of, mobile terminal can randomly choose one
Access IP bearer networks in individual base station.
Realize it is of the invention during, inventor find correlation technique at least there is problems with：
It is that the power of the signal provided according to each base station determines because correlation technique is when base station is selected, and believes
Number power can not sometimes reflect the performance of mobile terminal IP bearer networks to be accessed.Therefore, even if the letter of base station offer
Number intensity is relatively good, but the service quality of user may be supplied to not high, influences the communication quality of user.
The content of the invention
In order to solve the problems, such as correlation technique, a kind of method, gateway, the base of selection base station are the embodiment of the invention provides
Stand, mobile terminal and system.The technical scheme is as follows：
First aspect, there is provided a kind of method of selection base station, methods described includes：
The current performance in tunnel, obtains tunnel current performance data where detection, and the tunnel current performance data is at least
Single-ended/both-end packet loss, single-ended/both-end time delay including the tunnel, shake and error rate data；
The tunnel current performance data is uploaded to connected base station, by the base station by the tunnel current performance number
After mobile terminal is sent to, the tunnel current performance number for making the mobile terminal be sent according to each base station in overlapping region
According to one base station access network border protocol IP bearer network of selection from described each base station.
With reference in a first aspect, in the first possible implementation of first aspect, tunnel where the detection is worked as
Preceding performance, including：
According to the current performance in tunnel where predetermined period timing detection；
Or, the tunnel performance detection request that the connected base station sends is received, please according to the tunnel performance detection
Seek the current performance in tunnel where detection.
Second aspect, there is provided a kind of method of selection base station, methods described includes：
The tunnel current performance data in tunnel where the gateway that connected gateway is uploaded is received, the tunnel is currency
Can the data at least single-ended/both-end packet loss including the tunnel, single-ended/both-end time delay, shake and error rate data；
The tunnel current performance data is sent to mobile terminal, makes the mobile terminal according to each in overlapping region
The tunnel current performance data that individual base station sends selects a base station access network border protocol IP bearer network from described each base station.
It is described to receive on connected gateway in the first possible implementation of second aspect with reference to second aspect
Before the tunnel current performance data in tunnel where the gateway for passing, also include：
Tunnel performance detection is sent to the gateway to ask, make the gateway according to the tunnel performance detection request detection
The current performance in place tunnel.
The third aspect, there is provided a kind of method of selection base station, methods described includes：
The tunnel current performance data that each base station in overlapping region sends is received, wherein, the tunnel that each base station sends
Road current performance data is the current performance data in tunnel where the gateway that is connected with each base station, and the tunnel that each base station sends
Road current performance data is obtained by the gateway detection being connected with each base station, and the tunnel current performance data at least includes described
Single-ended/both-end the packet loss in tunnel, single-ended/both-end time delay, shake and error rate data；
According to the tunnel current performance data that each base station in overlapping region sends one is selected from described each base station
Individual base station access network border protocol IP bearer network.
With reference to the third aspect, in the first possible implementation of the third aspect, in the reception overlapping region
Before the tunnel current performance data that each base station sends, also include：
Tunnel performance detection is sent to each base station in overlapping region to ask, by described each base station by the tunnel
Can detect that request is transmitted to connected gateway, the gateway for making described each base station connected asks inspection according to the tunnel performance detection
The current performance in tunnel where surveying.
With reference to the first possible implementation of the third aspect or the third aspect, second in the third aspect is possible
In implementation, the tunnel current performance data that described each base station according in overlapping region sends is from described each base station
One base station access network border protocol IP bearer network of selection, including：
Pre-define the priority of different types of data in each tunnel current performance data；
Each base station of priority according to different types of data in each tunnel current performance data from overlapping region
A base station is selected to access the IP bearer networks in the tunnel current performance data of transmission.
Fourth aspect, there is provided a kind of gateway, the gateway includes：
Detection module, the current performance in tunnel, obtains tunnel current performance data where for detecting, the tunnel is current
The performance data at least single-ended/both-end packet loss including the tunnel, single-ended/both-end time delay, shake and error rate data；
Uploading module, for the tunnel current performance data to be uploaded into connected base station, will be described by the base station
After tunnel current performance data is sent to mobile terminal, make what the mobile terminal sent according to each base station in overlapping region
Tunnel current performance data selects a base station access network border protocol IP bearer network from described each base station.
With reference to fourth aspect, in the first possible implementation of fourth aspect, the detection module be used for according to
The current performance in tunnel where predetermined period timing detection；Or, receive the tunnel performance detection that the connected base station sends
Request, the current performance in tunnel according to where the tunnel performance detection request detection.
5th aspect, there is provided a kind of base station, the base station includes：
Receiver module, the tunnel current performance data for receiving tunnel where the gateway that connected gateway is uploaded,
The tunnel current performance data at least including the single-ended/both-end packet loss in the tunnel, single-ended/both-end time delay, shake and
Error rate data；
First sending module, for the tunnel current performance data to be sent into mobile terminal, makes the mobile terminal
A base station is selected to connect from described each base station according to the tunnel current performance data that each base station in overlapping region sends
Enter internet protocol IP bearer network.
With reference to the 5th aspect, in the first possible implementation of the 5th aspect, the base station also includes：
Second sending module, asks for sending tunnel performance detection to the gateway, makes the gateway according to the tunnel
The current performance in tunnel where road performance detection request detection.
6th aspect, there is provided a kind of mobile terminal, the mobile terminal includes：
Receiver module, the tunnel current performance data for receiving the transmission of each base station in overlapping region, wherein, each
The tunnel current performance data that base station sends is the current performance data in tunnel where the gateway being connected with each base station, and each
The tunnel current performance data that base station sends is obtained by the gateway detection being connected with each base station, the tunnel current performance data
At least include single-ended/both-end packet loss, single-ended/both-end time delay, shake and the error rate data in the tunnel；
Selecting module, for according in overlapping region each base station send tunnel current performance data from it is described each
A base station access network border protocol IP bearer network is selected in base station.
With reference to the 6th aspect, in the first possible implementation of the 6th aspect, the mobile terminal also includes：
Sending module, asks, by described each base for sending tunnel performance detection to each base station in overlapping region
Is stood and tunnel performance detection request is transmitted to connected gateway, make the connected gateway in described each base station according to the tunnel
The current performance in tunnel where performance detection request detection.
With reference to the 6th aspect or the first possible implementation of the 6th aspect, second at the 6th aspect is possible
In implementation, the selecting module, including：
Definition unit, the priority for pre-defining different types of data in each tunnel current performance data；
Select unit, for the priority according to different types of data in each tunnel current performance data from overlapping region
The IP bearer networks are accessed in one base station of selection in the tunnel current performance data that each interior base station sends.
7th aspect, there is provided a kind of system of selection base station, the system includes gateway, base station and mobile terminal；
Wherein, gateway of the gateway as described in above-mentioned fourth aspect；
Base station base station as described above described in the 5th aspect；
Mobile terminal mobile terminal as described above described in the 6th aspect.
The beneficial effect that technical scheme provided in an embodiment of the present invention is brought is：
After the current performance in tunnel where detecting obtains tunnel current performance data, by tunnel current performance data
Connected base station is reached, and tunnel current performance data is sent to mobile terminal by base station, make mobile terminal according to overlay region
The tunnel current performance data that each base station in domain sends selects a base station to access IP bearer networks from multiple base stations so that
When mobile terminal selects base station in overlapping region, selected according to the tunnel current performance data that each base station sends, from
And the base station of tunnel better performances can be selected to access IP bearer networks, while improving communication quality, bring good to user
Operating experience.
Brief description of the drawings
Technical scheme in order to illustrate more clearly the embodiments of the present invention, below will be to that will make needed for embodiment description
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings
Accompanying drawing.
Fig. 1 is that the embodiment of the present invention provides a kind of implementation environment structural representation of the method for selection base station；
Fig. 2 is the method flow diagram of the first selection base station that the embodiment of the present invention one is provided；
Fig. 3 is second method flow diagram of selection base station that the embodiment of the present invention one is provided；
Fig. 4 is the method flow diagram of the third selection base station that the embodiment of the present invention one is provided；
Fig. 5 is a kind of method flow diagram of selection base station that the embodiment of the present invention two is provided；
Fig. 6 is a kind of structural representation of gateway that the embodiment of the present invention three is provided；
Fig. 7 is a kind of structural representation of gateway that the embodiment of the present invention four is provided；
Fig. 8 is a kind of structural representation of base station that the embodiment of the present invention five is provided；
Fig. 9 is a kind of structural representation of base station that the embodiment of the present invention six is provided；
Figure 10 is a kind of structural representation of mobile terminal that the embodiment of the present invention seven is provided；
Figure 11 is a kind of structural representation of mobile terminal that the embodiment of the present invention eight is provided；
Figure 12 is a kind of structural representation of the system of selection base station that the embodiment of the present invention nine is provided.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to embodiment party of the present invention
Formula is described in further detail.
As shown in figure 1, it illustrates a kind of implementation environment structure of the method for selection base station provided in an embodiment of the present invention
Schematic diagram.In the implementation environment shown in Fig. 1, including mobile terminal 1 01, at least two base stations 102, base station side gateway 103, base
Station control side gateway 104 and base station controller 105, and base station 102 carried out mutually by IP bearer networks and base station controller 105
It is logical.Can generally be set up from base station 102 to the tunnel base station controller 105, for carrying base station 102 inside IP bearer networks
And the business between base station controller 105.Again because base station 102 and base station controller 105 are likely to be in different networks, and
When base station 102 and base station controller 105 are in heterogeneous networks, it is necessary to pass through gateway by different network connections.Cause
This, includes at least one base station side gateway 103, using base in every tunnel between base station 102 and base station controller 105
Side gateway 103 of standing can realize the transmission of data between different Internet protocol.
In the implementation environment shown in Fig. 1, mobile terminal 1 01 is in the overlapping region of multiple coverings of base station 102, each base
Standing can set up a plurality of tunnel between 102 and base station controller 105, at least one base station side gateway is included in every tunnel
103, the base station side gateway 103 is connected with base station 102, for being communicated with base station 102.
In addition, in embodiments of the present invention, except the biography that data between different Internet protocol are realized using base station side gateway 103
Outside defeated, the tunnel performance in the tunnel set up between base station 102 and base station controller 105 is also detected using base station side gateway 103.
The method of selection base station provided in an embodiment of the present invention is that the tunnel performance in tunnel where being detected by base station side gateway 103 is obtained
After tunnel current performance data, the tunnel current performance data is uploaded to connected base station 102, is worked as tunnel by base station 102
Preceding performance data is sent to mobile terminal 1 01, the tunnel sent according to each base station 102 of overlapping region by mobile terminal 1 01
Road current performance data selects a base station to access IP bearer networks from multiple base stations.
It should be noted that due to detecting that the equipment of tunnel performance can be any one gateway in tunnel, therefore, in order to
It is easy to explanation, in embodiments of the present invention, the equipment unified definition that will detect tunnel performance is gateway.Below in conjunction with specific reality
Apply example to be described in detail the method for selection base station provided in an embodiment of the present invention, embodiment as described below one and embodiment
Two：
Embodiment one
With reference to the implementation environment schematic diagram and the above of Fig. 1, a kind of side of selection base station is the embodiment of the invention provides
Method.Referring to Fig. 2, by taking the angle that gateway performs the method for selection base station provided in an embodiment of the present invention as an example, the embodiment of the present invention
The method flow of offer includes：
201：The current performance in tunnel, obtains tunnel current performance data where detection, and tunnel current performance data is at least
Single-ended/both-end packet loss, single-ended/both-end time delay including tunnel, shake and error rate data.
202：Tunnel current performance data is uploaded to connected base station, tunnel current performance data is sent to by base station
After mobile terminal, make the tunnel current performance data that mobile terminal is sent according to each base station in overlapping region from each base station
Access IP bearer networks in middle one base station of selection.
Wherein, the current performance in tunnel where detection, including：
According to the current performance in tunnel where predetermined period timing detection；
Or, the tunnel performance detection request that connected base station sends is received, according to tunnel performance detection request detection institute
In the current performance in tunnel.
Referring to Fig. 3, by taking the angle that base station performs the method for selection base station provided in an embodiment of the present invention as an example, the present invention is real
The method flow for applying example offer includes：
301：Receive the tunnel current performance data in tunnel where the gateway that connected gateway is uploaded, tunnel current performance number
According at least single-ended/both-end packet loss including tunnel, single-ended/both-end time delay, shake and error rate data.
302：Tunnel current performance data is sent to mobile terminal, makes mobile terminal according to each base in overlapping region
The tunnel current performance data for sending of standing selects a base station to access IP bearer networks from each base station.
Preferably, before receiving the tunnel current performance data in tunnel where the gateway that connected gateway is uploaded, also include：
Tunnel performance detection is sent to gateway to ask, make gateway working as according to tunnel performance detection request detection place tunnel
Preceding performance.
Referring to Fig. 4, by taking the angle that mobile terminal performs the method for selection base station provided in an embodiment of the present invention as an example, this hair
The method flow that bright embodiment is provided includes：
401：The tunnel current performance data that each base station in overlapping region sends is received, wherein, each base station sends
Tunnel current performance data be tunnel where the gateway that is connected with each base station current performance data, and each base station sends
Tunnel current performance data by be connected with each base station gateway detection obtain, tunnel current performance data at least include tunnel
Single-ended/both-end packet loss, single-ended/both-end time delay, shake and error rate data.
402：According to the tunnel current performance data that each base station in overlapping region sends one is selected from each base station
Access IP bearer networks in individual base station.
Preferably, before receiving the tunnel current performance data that each base station in overlapping region sends, also include：
Tunnel performance detection is sent to each base station in overlapping region to ask, please by tunnel performance detection by each base station
Ask and be transmitted to connected gateway, make the connected gateway in each base station according to the current of tunnel performance detection request detection place tunnel
Performance.
Wherein, the tunnel current performance data for being sent according to each base station in overlapping region selects one from each base station
IP bearer networks are accessed in individual base station, including：
Pre-define the priority of different types of data in each tunnel current performance data；
Each base station of priority according to different types of data in each tunnel current performance data from overlapping region
A base station is selected to access IP bearer networks in the tunnel current performance data of transmission.
Method provided in an embodiment of the present invention, the current performance in tunnel obtains tunnel current performance data where by detecting
Afterwards, tunnel current performance data is uploaded to connected base station, and is sent to tunnel current performance data by base station mobile whole
End, makes mobile terminal select one from multiple base stations according to the tunnel current performance data that each base station in overlapping region sends
IP bearer networks are accessed in individual base station so that when mobile terminal selects base station in overlapping region, according to the tunnel that each base station sends
Current performance data is selected such that it is able to is selected the base station of tunnel better performances to access IP bearer networks, is improved communication quality
While, bring good operating experience to user.
Embodiment two
With reference to the implementation environment schematic diagram and the content of above-described embodiment one of Fig. 1, a kind of choosing is the embodiment of the invention provides
The method for selecting base station.Referring to Fig. 5, method flow provided in an embodiment of the present invention includes：
501：The current performance in tunnel, obtains tunnel current performance data, the tunnel current performance number where gateway detection
According at least single-ended/both-end packet loss including tunnel, single-ended/both-end time delay, shake and error rate data.
Because method provided in an embodiment of the present invention supports what mobile terminal sent according to each base station in overlapping region
Tunnel current performance data selects a base station to access IP bearer networks.Therefore, needed to obtain tunnel before base station is selected
Can data.In embodiments of the present invention, the performance in place tunnel is detected by gateway to obtain tunnel current performance data.On
The current performance in tunnel where gateway detection, and the mode of tunnel current performance data is obtained, the embodiment of the present invention is not made specifically
Limit.During specific implementation, gateway can detect the current of place tunnel using the mode of detection tunnel of the prior art performance
Performance, obtains tunnel current performance data.
Wherein, tunnel current performance data is each the different types of number that can reflect tunnel performance in IP bearer networks
According to particular content of the embodiment of the present invention not to tunnel current performance data is defined.For example, the tunnel current performance data
Single-ended/both-end packet loss, single-ended/both-end time delay, shake and error rate data at least including tunnel etc..
Mode on the current performance in tunnel where triggering gateway detection, can there is many kinds.During specific implementation, triggering
The mode of the current performance in tunnel has included but is not limited to the following two kinds where gateway detection：
First way：Gateway detects the current performance in place tunnel according to predetermined period timing.
This kind of mode is the current performance in tunnel where the spontaneous detection trigger of gateway.During specific implementation, in order that mobile whole
End can in real time obtain the tunnel current performance data in tunnel, and gateway can set the cycle of detection tunnel performance, and according to this
The current performance in tunnel where cycle timing detection.Wherein, the time in the cycle of the detection tunnel performance for being set on gateway is big
Small, the embodiment of the present invention is not especially limited.During specific implementation, can as needed depending on.For example, the cycle can be set
It is 5min（Minute）, 10min etc..
The second way：Gateway receives the tunnel performance detection request that connected base station sends, according to tunnel performance detection
The current performance in tunnel where request detection.
This kind of mode is the current performance in gateway tunnel according to where the request detection trigger of base station.When gateway uses this kind
Asked, it is necessary to send tunnel performance detection to gateway from base station during the current performance in tunnel where mode detection trigger, gateway connects
After receiving the tunnel performance detection request, the current performance in tunnel according to where the tunnel performance detection request detection.
Wherein, base station sends the request of tunnel performance detection to gateway can also many modes.For example, can be by base station certainly
It is sent to connected gateway and sends the request of tunnel performance detection；Can also be sent from mobile terminal to each base station in overlapping region
Tunnel performance detection request, after each base station receives the tunnel performance detection request that mobile terminal sends, turns to connected gateway
Send out the tunnel performance detection request.
The request of tunnel performance detection, mobile terminal are sent on base station to gateway to be sent to each base station in overlapping region
Tunnel performance detection request and each base station receive the mode of the tunnel performance detection request that mobile terminal sends, and can have very
Various, the embodiment of the present invention is not especially limited to this.
502：Tunnel current performance data is uploaded to connected base station by gateway.
Tunnel current performance data is uploaded to the mode of connected base station on gateway, the embodiment of the present invention is not made specifically
Limit.During specific implementation, including but not limited to can be by class MPLS（Multi-Protocol Label Switching are more
Protocol label is exchanged）Message structure is realized.Wherein, the form of class MPLS message structures is as shown in Table 1：
Table one
As shown in Table 1, class MPLS message structures include LABEL, EXP, S, TLL and Payload (load).
Wherein, LABEL includes 20bit（Bit）, in embodiments of the present invention, can represent that gateway is spontaneous with LABEL
Current performance of the current performance in tunnel according further to tunnel where the request detection trigger of base station where detection trigger.For example,
Can set when the corresponding decimal number of the binary numeral that LABEL is represented is " 4 ", represent the spontaneous detection trigger place of gateway
The current performance in tunnel；When the corresponding decimal number of the binary numeral that LABEL is represented is " 5 ", represent that gateway is according to base
The current performance in tunnel where the request detection trigger stood.It is, of course, also possible to represent that triggering gateway detects institute using other numerals
Tunnel current performance, the corresponding decimal number of binary numeral only represented with LABEL in subsequent step as " 4 " and
Current performance when " 5 " to tunnel where triggering gateway detection is illustrated.
EXP includes 3bit, in embodiments of the present invention, it is possible to use the 3bit is represented in tunnel current performance data not
Same type data.For example, in embodiments of the present invention, it is possible to use 001 represents unidirectional packet loss, and 010 represents two-way packet loss,
011 represents one-way delay, and 100 represent two-way time delay, and 101 represent shake, 110 representative bit error rate etc..Certainly, it is above-mentioned only to profit
The different types of data in tunnel current performance data is represented with EXP have been carried out for example, the embodiment of the present invention is not to EXP bags
The particular content of the 3bit digitized representations for containing is defined.For example, it is also possible to represent bit error rate etc. using 010.
S includes 1bit, and TLL includes 8bit, is 0 by S default settings in embodiments of the present invention, and TLL is defaulted as into 0.
Payload includes 32bit, in embodiments of the present invention, can represent any data that EXP is represented with Payload
The concrete numerical value of type.When the concrete numerical value of any data type that EXP is represented is represented, the Payload can be included
32bit point is eight groups, and from left to right by every group be respectively set to the kilobit of concrete numerical value, hundred, ten, individual position, individual point
Position, tenths, hundredths, thousand points of positions are corresponding.If for example, Payload is 00000000000010010011000000000
000, then it is 9.3 after the concrete numerical value is converted into decimal number.Wherein, when the concrete numerical value of the bit error rate is represented, if error code
Rate a*10-bDuring expression, a can be represented with first 16 of Payload, afterwards 16 expression b.
Wherein, in embodiments of the present invention, when the concrete numerical value of data type is represented with Payload, can also define
The corresponding unit of concrete numerical value of each data type.If for example, data type is packet loss, defining the unit of packet loss
It is %, such as 50%；The unit for defining time delay and shake is ms（Millisecond）, such as 5ms；It is DB, such as 3*10 to define bit error rate unit- 12DB etc..
With reference to table one and the above, if the current performance in tunnel where gateway one-time detection, the tunnel for obtaining is worked as
Preceding performance data as shown in Table 2, then due to the LABEL in table two be 00000000000000000100, the binary numeral pair
The decimal value answered is " 4 ", then can determine that gateway is currently the current of tunnel where spontaneous detection trigger by the above
Performance；Further, since EXP be 001, by the above can the data type be unidirectional packet loss；Again because Payload is
00000000000000010001000000000000, its corresponding decimal value is 1.1, and the unit of unidirectional packet loss
It is %.Hence, it can be determined that the tunnel current performance data that obtains of detection is specially unidirectional packet loss, and unidirectional packet loss
Concrete numerical value is 1.1%.
Table two
If again for example, the current performance in tunnel where gateway one-time detection, the tunnel current performance data for obtaining is such as
Shown in table three, then because the LABEL in table two is 00000000000000000101, the corresponding decimal number of the binary numeral
It is " 5 " to be worth, then can determine that gateway is currently the current performance in the tunnel according to where base station requests detection trigger by the above；
Further, since EXP be 011, by the above can the data type be one-way delay；Again because Payload is
00000000000001010000000000000000, its corresponding decimal value is 5, and the unit of one-way delay is ms.
Hence, it can be determined that the tunnel current performance data specially one-way delay that obtains of detection, and one-way delay concrete numerical value
It is 5ms.
Table three
Above only for the current performance in the spontaneous detection trigger tunnel of gateway, and obtain the list in tunnel current performance data
To the concrete numerical value and gateway of packet loss according to the current performance in base station requests detection trigger tunnel, and it is currency to obtain tunnel
The concrete numerical value of the one-way delay in energy data is illustrated.Other data types in current performance data is represented
Concrete numerical value when, can be obtained using same principle with reference to the above, no longer repeated one by one herein.
If it should be noted that gateway detect tunnel current performance when, the tunnel current performance data bag for obtaining
Multiple categorical datas of tunnel performance, then the tunnel current performance data of the different types of data that gateway will be obtained are represented containing multiple
Seal into different packets and be uploaded to connected base station.
503：Base station receives the tunnel current performance data in tunnel where the gateway that connected gateway is uploaded, and tunnel is current
Performance data is sent to mobile terminal.
Wherein, the side of the tunnel current performance data in tunnel where the gateway that connected gateway is uploaded is received on base station
Formula, can there is many kinds.If for example, gateway tunnel current performance data is uploaded to by class MPLS message structures it is connected
Base station, then base station receive class MPLS message structures tunnel current performance data.
In addition, after base station receives the tunnel current performance data in tunnel where the gateway that connected gateway is uploaded, in order that
Mobile terminal clearly tunnel current performance data, tunnel current performance data is sent to mobile terminal by base station.Wherein, this hair
The agreement that bright embodiment is used when tunnel current performance data not being sent into mobile terminal to base station is defined.Specific implementation
When, base station can be by 3GPP（3rd Generation Partnership Project, third generation partner program）Association
Tunnel current performance data is sent to mobile terminal by view.
It should be noted that because overlapping region includes multiple base stations, and mobile terminal when base station is selected, it is necessary to obtain
The tunnel current performance data of each base station in overlapping region.Therefore, each base station of mobile terminal according to overlapping region
, it is necessary to the tunnel for obtaining each base station transmission in overlapping region is currency during the tunnel current performance data selection base station of transmission
Can data, therefore, each base station in overlapping region and the gateway being connected with each base station be required to execution above-mentioned steps 501 to
Step 503.
504：Mobile terminal receives the tunnel current performance data that each base station in overlapping region sends.
Because method provided in an embodiment of the present invention supports what mobile terminal sent according to each base station in overlapping region
Tunnel current performance data selection base station, therefore, the tunnel that mobile terminal receives each base station transmission in overlapping region is current
Performance data.The embodiment of the present invention does not receive the tunnel current performance number that each base station in overlapping region sends to mobile terminal
According to mode be defined.During specific implementation, if base station sends tunnel current performance data by class MPLS message structures
To mobile terminal, then mobile terminal is same receives the tunnel current performance data that each base station sends with class MPLS message structures.
In addition, the embodiment of the present invention does not receive the tunnel current performance number that each base station in overlapping region sends equally to mobile terminal
According to when the agreement that uses be defined, if for example, tunnel current performance data is sent to movement by base station by 3GPP agreements
Terminal, then the tunnel current performance data that mobile terminal is sent by each base station in 3GPP agreements reception overlapping region.
505：The tunnel current performance data that mobile terminal is sent according to each base station in overlapping region is from each base station
Access IP bearer networks in middle one base station of selection.
Wherein, the tunnel current performance data that mobile terminal is sent according to each base station in overlapping region is from each base station
When IP bearer networks are accessed in one base station of middle selection, different types of data in each tunnel current performance data can be pre-defined
Priority；Then each base of the priority according to different types of data in each tunnel current performance data from overlapping region
IP bearer networks are accessed in one base station of selection in the tunnel current performance data for sending of standing.
The priority of different types of data, this hair in each tunnel current performance data pre-defined on mobile terminal
Bright embodiment is not especially limited.During specific implementation, depending on the Content of Communication that can be carried out according to selecting base station of mobile terminal.Example
Such as, when mobile terminal defines priority, the priority of definition is followed successively by single-ended packet loss, the bit error rate, both-end and prolongs from high to low
When, shake, both-end packet loss, single-ended time delay, then mobile terminal receive tunnel current performance data after, first determine whether each base
The corresponding single-ended packet loss of difference of standing, if the corresponding single-ended packet loss in each base station is different, selects single-ended packet loss most
Access low base station；If the corresponding single-ended packet loss in each base station is the same, then compares bit error rate etc., the rest may be inferred.
Certainly, it is above-mentioned only to list a kind of mobile terminal and pre-define different type number in each tunnel current performance data
According to priority, mobile terminal can also define other types of priority level, and the embodiment of the present invention is not especially limited to this.
Additionally, mobile terminal can also select base according to the tunnel current performance data of each base station transmission and with reference to other factors
Stand, the mode of the tunnel current performance data selection base station that the present embodiment does not send to mobile terminal according to each base station is limited
It is fixed.
Method provided in an embodiment of the present invention, the current performance in tunnel obtains tunnel current performance data where by detecting
Afterwards, tunnel current performance data is uploaded to connected base station, and is sent to tunnel current performance data by base station mobile whole
End, makes mobile terminal select one from multiple base stations according to the tunnel current performance data that each base station in overlapping region sends
IP bearer networks are accessed in individual base station so that when mobile terminal selects base station in overlapping region, according to the tunnel that each base station sends
Current performance data is selected such that it is able to is selected the base station of tunnel better performances to access IP bearer networks, is improved communication quality
While, bring good operating experience to user.
Embodiment three
A kind of gateway is the embodiment of the invention provides, gateway is held during the pass is used to perform above-described embodiment one or embodiment two
Capable function.Referring to Fig. 6, the gateway includes：
Detection module 601, the current performance in tunnel, obtains tunnel current performance data, the tunnel where for detecting
The current performance data at least single-ended/both-end packet loss including the tunnel, single-ended/both-end time delay, shake and bit error rate number
According to；
Uploading module 602, for the tunnel current performance data to be uploaded into connected base station, by the base station by institute
State after tunnel current performance data is sent to mobile terminal, the mobile terminal is sent according to each base station in overlapping region
Tunnel current performance data a base station access network border protocol IP bearer network is selected from described each base station.
Preferably, the detection module 601, for the current performance according to tunnel where predetermined period timing detection；Or
Person, receives the tunnel performance detection request that the connected base station sends, according to where the tunnel performance detection request detection
The current performance in tunnel.
Gateway provided in an embodiment of the present invention, the current performance in tunnel obtains tunnel current performance data where by detecting
Afterwards, tunnel current performance data is uploaded to connected base station, and is sent to tunnel current performance data by base station mobile whole
End, makes mobile terminal select one from multiple base stations according to the tunnel current performance data that each base station in overlapping region sends
IP bearer networks are accessed in individual base station so that when mobile terminal selects base station in overlapping region, according to the tunnel that each base station sends
Current performance data is selected such that it is able to is selected the base station of tunnel better performances to access IP bearer networks, is improved communication quality
While, bring good operating experience to user.
Example IV
A kind of gateway is the embodiment of the invention provides, the gateway is used to perform gateway in above-described embodiment one or embodiment two
The function of execution.Referring to Fig. 7, the gateway includes at least one processor 701, emitter 702 and receiver 703.Wherein：
Processor 701, the current performance in tunnel where for detecting, obtains tunnel current performance data, and the tunnel is worked as
Preceding the performance data at least single-ended/both-end packet loss including the tunnel, single-ended/both-end time delay, shake and error rate data；
Emitter 702, for the tunnel current performance data to be uploaded into connected base station, will be described by the base station
After tunnel current performance data is sent to mobile terminal, make what the mobile terminal sent according to each base station in overlapping region
Tunnel current performance data selects a base station access network border protocol IP bearer network from described each base station.
Preferably, processor 701, for the current performance according to tunnel where predetermined period timing detection；
Or, receiver 703, for receiving the tunnel performance detection request that the connected base station sends；
Processor 701, is additionally operable to the current performance in the tunnel according to where the tunnel performance detection request detection.
Gateway provided in an embodiment of the present invention, the current performance in tunnel obtains tunnel current performance data where by detecting
Afterwards, tunnel current performance data is uploaded to connected base station, and is sent to tunnel current performance data by base station mobile whole
End, makes mobile terminal select one from multiple base stations according to the tunnel current performance data that each base station in overlapping region sends
IP bearer networks are accessed in individual base station so that when mobile terminal selects base station in overlapping region, according to the tunnel that each base station sends
Current performance data is selected such that it is able to is selected the base station of tunnel better performances to access IP bearer networks, is improved communication quality
While, bring good operating experience to user.
Embodiment five
A kind of base station is the embodiment of the invention provides, the base station is used to perform base station in above-described embodiment one or embodiment two
The function of execution.Referring to Fig. 8, the base station includes：
Receiver module 801, the tunnel current performance number for receiving tunnel where the gateway that connected gateway is uploaded
According to, the tunnel current performance data at least single-ended/both-end the packet loss including the tunnel, single-ended/both-end time delay, shake with
And error rate data；
First sending module 802, for the tunnel current performance data to be sent into mobile terminal, makes described mobile whole
Hold the tunnel current performance data sent according to each base station in overlapping region that a base station is selected from described each base station
Access internet protocol IP bearer network.
Preferably, the base station, also includes：
Second sending module, asks for sending tunnel performance detection to the gateway, makes the gateway according to the tunnel
The current performance in tunnel where road performance detection request detection.
Base station provided in an embodiment of the present invention, the currency getable of place tunnel is detected by receiving connected gateway
After tunnel current performance data, tunnel current performance data is sent to mobile terminal, makes mobile terminal according in overlapping region
The tunnel current performance data that sends of each base station select one base station to access IP bearer networks from multiple base stations so that move
When terminal selects base station in overlapping region, selected according to the tunnel current performance data that each base station sends, so as to
IP bearer networks are accessed in the base station of enough selection tunnel better performances, while improving communication quality, good operation are brought to user
Experience.
Embodiment six
A kind of base station is the embodiment of the invention provides, the base station is used to perform base station in above-described embodiment one or embodiment two
The function of execution.Referring to Fig. 9, the gateway includes at least one emitter 901 and receiver 902.Wherein：
Receiver 902, the tunnel current performance data for receiving tunnel where the gateway that connected gateway is uploaded,
The tunnel current performance data at least including the single-ended/both-end packet loss in the tunnel, single-ended/both-end time delay, shake and
Error rate data；
Emitter 901, for the tunnel current performance data to be sent into mobile terminal, make the mobile terminal according to
The tunnel current performance data that each base station in overlapping region sends selects a base station access network from described each base station
Border protocol IP bearer network.
Preferably, emitter 901, be additionally operable to the gateway send tunnel performance detection ask, make the gateway according to
The current performance in tunnel where the tunnel performance detection request detection.
Base station provided in an embodiment of the present invention, the currency getable of place tunnel is detected by receiving connected gateway
After tunnel current performance data, tunnel current performance data is sent to mobile terminal, makes mobile terminal according in overlapping region
The tunnel current performance data that sends of each base station select one base station to access IP bearer networks from multiple base stations so that move
When terminal selects base station in overlapping region, selected according to the tunnel current performance data that each base station sends, so as to
IP bearer networks are accessed in the base station of enough selection tunnel better performances, while improving communication quality, good operation are brought to user
Experience.
Embodiment seven
A kind of mobile terminal is the embodiment of the invention provides, the mobile terminal is used to perform above-described embodiment one or embodiment
The function that mobile terminal is performed in two.Referring to Figure 10, the mobile terminal includes：
Receiver module 1001, the tunnel current performance data for receiving the transmission of each base station in overlapping region, wherein,
The tunnel current performance data that each base station sends is the current performance data in tunnel where the gateway being connected with each base station, and
The tunnel current performance data that each base station sends is obtained by the gateway detection being connected with each base station, the tunnel current performance
The data at least single-ended/both-end packet loss including the tunnel, single-ended/both-end time delay, shake and error rate data；
Selecting module 1002, for the tunnel current performance data that is sent according to each base station in overlapping region from described
A base station access network border protocol IP bearer network is selected in each base station.
Preferably, the mobile terminal, also includes：
Sending module, asks, by described each base for sending tunnel performance detection to each base station in overlapping region
Is stood and tunnel performance detection request is transmitted to connected gateway, make the connected gateway in described each base station according to the tunnel
The current performance in tunnel where performance detection request detection.
Preferably, the selecting module 1002, including：
Definition unit, the priority for pre-defining different types of data in each tunnel current performance data；
Select unit, for the priority according to different types of data in each tunnel current performance data from overlapping region
The IP bearer networks are accessed in one base station of selection in the tunnel current performance data that each interior base station sends.
Mobile terminal provided in an embodiment of the present invention, place tunnel is detected by receiving the gateway being connected with corresponding base station
Currency getable tunnel current performance data after, according in overlapping region each base station send tunnel current performance
Data select a base station to access IP bearer networks from multiple base stations so that when mobile terminal selects base station in overlapping region,
Selected according to the corresponding tunnel current performance data in each base station such that it is able to select the base station of tunnel better performances to access
IP bearer networks, while improving communication quality, good operating experience are brought to user.
Embodiment eight
A kind of mobile terminal is the embodiment of the invention provides, the mobile terminal is used to perform above-described embodiment one or embodiment
The function that mobile terminal is performed in two.Referring to Figure 11, the mobile terminal includes at least one processor 1101, the and of emitter 1102
Receiver 1103.Wherein：
Receiver 1103, the tunnel current performance data for receiving the transmission of each base station in overlapping region, wherein, often
The tunnel current performance data that individual base station sends is the current performance data in tunnel where the gateway being connected with each base station, and often
The tunnel current performance data that individual base station sends is obtained by the gateway detection being connected with each base station, the tunnel current performance number
According at least single-ended/both-end packet loss including the tunnel, single-ended/both-end time delay, shake and error rate data；
Processor 1101, for the tunnel current performance data that is sent according to each base station in overlapping region from described each
A base station access network border protocol IP bearer network is selected in individual base station.
Preferably, emitter 1102, ask, by institute for sending tunnel performance detection to each base station in overlapping region
State each base station and tunnel performance detection request be transmitted to connected gateway, make the connected gateway in described each base station according to
The current performance in tunnel where the tunnel performance detection request detection.
Preferably, processor 1101, are additionally operable to pre-define different types of data in each tunnel current performance data
Priority；Each base station hair of priority according to different types of data in each tunnel current performance data from overlapping region
A base station is selected to access the IP bearer networks in the tunnel current performance data for sending.
Mobile terminal provided in an embodiment of the present invention, place tunnel is detected by receiving the gateway being connected with corresponding base station
Currency getable tunnel current performance data after, according in overlapping region each base station send tunnel current performance
Data select a base station to access IP bearer networks from multiple base stations so that when mobile terminal selects base station in overlapping region,
Selected according to the tunnel current performance data that each base station sends such that it is able to select the base station of tunnel better performances to access
IP bearer networks, while improving communication quality, good operating experience are brought to user.
Embodiment nine
A kind of system of selection base station is the embodiment of the invention provides, referring to Figure 12, the system includes：Gateway 1201, base
Stand 1202 and mobile terminal 1 203；
Wherein, the base station that such as above-mentioned embodiment three is provided of gateway 1201, referring specifically to the content of above-described embodiment three, herein
Repeat no more；
The base station that such as above-mentioned embodiment five is provided of base station 1202, referring specifically to the content of above-described embodiment five, herein no longer
Repeat；
The mobile terminal that such as above-mentioned embodiment seven is provided of mobile terminal 1 203, referring specifically to the content of above-described embodiment seven,
Will not be repeated here.
System provided in an embodiment of the present invention, the current performance in tunnel obtains tunnel current performance where being detected by gateway
After data, tunnel current performance data is uploaded to connected base station, and tunnel current performance data is sent to shifting by base station
Dynamic terminal, makes mobile terminal be selected from multiple base stations according to the tunnel current performance data that each base station in overlapping region sends
Select a base station and access IP bearer networks so that when mobile terminal selects base station in overlapping region, sent according to each base station
Tunnel current performance data is selected such that it is able to is selected the base station of tunnel better performances to access IP bearer networks, is improved communication
While quality, good operating experience is brought to user.
It should be noted that：Gateway, base station and the mobile terminal that above-described embodiment is provided when base station is selected, only with above-mentioned
The division of each functional module is carried out for example, in practical application, as needed can distribute by different above-mentioned functions
Functional module is completed, will the internal structure of equipment be divided into different functional modules, with complete it is described above whole or
Partial function.In addition, above-described embodiment gateway, base station, mobile terminal and the system that provide and the embodiment of the method for selecting base station
Belong to same design, it implements process and refers to embodiment of the method, repeats no more here.
The embodiments of the present invention are for illustration only, and the quality of embodiment is not represented.
One of ordinary skill in the art will appreciate that realizing that all or part of step of above-described embodiment can be by hardware
To complete, it is also possible to instruct the hardware of correlation to complete by program, described program can be stored in a kind of computer-readable
In storage medium, storage medium mentioned above can be read-only storage, disk or CD etc..
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all it is of the invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc. should be included within the scope of the present invention.
Claims (15)
1. a kind of method of selection base station, it is characterised in that methods described includes：
The current performance in tunnel, obtains tunnel current performance data where gateway detection, and the tunnel current performance data is at least
Single-ended/both-end packet loss, single-ended/both-end time delay including the tunnel, shake and error rate data, the tunnel are base station
The tunnel set up and base station controller between；
The tunnel current performance data is uploaded to the connected base station by the gateway, is worked as the tunnel by the base station
After preceding performance data is sent to mobile terminal, the tunnel for making the mobile terminal be sent according to each base station in overlapping region is worked as
Preceding performance data selects a base station access network border protocol IP bearer network from described each base station.
2. method according to claim 1, it is characterised in that the current performance in tunnel where the gateway detection, including：
The gateway detects the current performance in place tunnel according to predetermined period timing；
Or, the gateway receives the tunnel performance detection request that the connected base station sends, and is examined according to the tunnel performance
Survey the current performance in tunnel where request detection.
3. a kind of method of selection base station, it is characterised in that methods described includes：
Base station receives the tunnel current performance data in tunnel where the gateway that connected gateway is uploaded, and the tunnel is currency
Energy the data at least single-ended/both-end packet loss including the tunnel, single-ended/both-end time delay, shake and error rate data, it is described
Tunnel is the tunnel set up between the base station and base station controller；
The tunnel current performance data is sent to mobile terminal by the base station, makes the mobile terminal according in overlapping region
Each base station send tunnel current performance data select a base station access network border protocol IP to hold from described each base station
Contained network.
4. method according to claim 3, it is characterised in that the base station receives the gateway that connected gateway is uploaded
Before the tunnel current performance data in place tunnel, also include：
The base station sends tunnel performance detection and asks to the gateway, the gateway is asked according to the tunnel performance detection
The current performance in tunnel where detection.
5. a kind of method of selection base station, it is characterised in that methods described includes：
Mobile terminal receives the tunnel current performance data that each base station in overlapping region sends, wherein, each base station sends
Tunnel current performance data be tunnel where the gateway that is connected with each base station current performance data, and each base station sends
Tunnel current performance data by be connected with each base station gateway detection obtain, the tunnel current performance data at least includes
Single-ended/both-end the packet loss in the tunnel, single-ended/both-end time delay, shake and error rate data, the tunnel are the base station
The tunnel set up and base station controller between；
The tunnel current performance data that the mobile terminal is sent according to each base station in overlapping region is from described each base station
One base station access network border protocol IP bearer network of middle selection.
6. method according to claim 5, it is characterised in that the mobile terminal receives each base station in overlapping region
Before the tunnel current performance data of transmission, also include：
The mobile terminal sends tunnel performance detection and asks to each base station in overlapping region, by described each base station by institute
State tunnel performance detection request and be transmitted to connected gateway, the gateway for making described each base station connected is examined according to the tunnel performance
Survey the current performance in tunnel where request detection.
7. the method according to claim 5 or 6, it is characterised in that the mobile terminal is according to each in overlapping region
The tunnel current performance data that base station sends selects a base station access network border protocol IP bearer network from described each base station, wraps
Include：
The mobile terminal pre-defines the priority of different types of data in each tunnel current performance data；
The mobile terminal is according to the priority of different types of data in each tunnel current performance data from overlapping region
The IP bearer networks are accessed in one base station of selection in the tunnel current performance data that each base station sends.
8. a kind of gateway, it is characterised in that the gateway includes：
Detection module, the current performance in tunnel, obtains tunnel current performance data, the tunnel current performance where for detecting
The data at least single-ended/both-end packet loss including the tunnel, single-ended/both-end time delay, shake and error rate data, the tunnel
Road is the tunnel set up between base station and base station controller；
Uploading module, for the tunnel current performance data to be uploaded into connected base station, by the base station by the tunnel
After current performance data is sent to mobile terminal, the tunnel for making the mobile terminal be sent according to each base station in overlapping region
Current performance data selects a base station access network border protocol IP bearer network from described each base station.
9. gateway according to claim 8, it is characterised in that the detection module is used to be detected according to predetermined period timing
The current performance in place tunnel；Or, the tunnel performance detection request that the connected base station sends is received, according to the tunnel
The current performance in tunnel where performance detection request detection.
10. a kind of base station, it is characterised in that the base station includes：
Receiver module, the tunnel current performance data for receiving tunnel where the gateway that connected gateway is uploaded is described
Tunnel the current performance data at least single-ended/both-end packet loss including the tunnel, single-ended/both-end time delay, shake and error code
Rate data, the tunnel is the tunnel set up between the base station and base station controller；
First sending module, for the tunnel current performance data to be sent into mobile terminal, make the mobile terminal according to
The tunnel current performance data that each base station in overlapping region sends selects a base station access network from described each base station
Border protocol IP bearer network.
11. base stations according to claim 10, it is characterised in that the base station, also include：
Second sending module, asks for sending tunnel performance detection to the gateway, makes the gateway according to the tunnel
The current performance in tunnel where request detection can be detected.
12. a kind of mobile terminals, it is characterised in that the mobile terminal includes：
Receiver module, the tunnel current performance data for receiving the transmission of each base station in overlapping region, wherein, each base station
The tunnel current performance data of transmission is the current performance data in tunnel where the gateway that is connected with each base station, and each base station
The tunnel current performance data of transmission is obtained by the gateway detection being connected with each base station, and the tunnel current performance data is at least
Single-ended/both-end packet loss, single-ended/both-end time delay including the tunnel, shake and error rate data, the tunnel is described
The tunnel set up between base station and base station controller；
Selecting module, for the tunnel current performance data according to each base station transmission in overlapping region from described each base station
One base station access network border protocol IP bearer network of middle selection.
13. mobile terminals according to claim 12, it is characterised in that the mobile terminal, also include：
Sending module, asks for sending tunnel performance detection to each base station in overlapping region, will by described each base station
The tunnel performance detection request is transmitted to connected gateway, makes the connected gateway in described each base station according to the tunnel performance
The current performance in tunnel where detection request detection.
14. mobile terminal according to claim 12 or 13, it is characterised in that the selecting module, including：
Definition unit, the priority for pre-defining different types of data in each tunnel current performance data；
Select unit, for according to the priority of different types of data in each tunnel current performance data from overlapping region
The IP bearer networks are accessed in one base station of selection in the tunnel current performance data that each base station sends.
15. a kind of systems of selection base station, it is characterised in that the system includes gateway, base station and mobile terminal；
Wherein, gateway gateway as claimed in claim 8 or 9；
Base station of the base station as described in claim 10 or 11；
Mobile terminal of the mobile terminal as described in any one of claim 12 to 14 claim.
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| CN101931985A (en) * | 2009-06-23 | 2010-12-29 | 华为技术有限公司 | Selecting method of service cell and network side equipment |
| CN102612069A (en) * | 2011-01-24 | 2012-07-25 | 中兴通讯股份有限公司 | Mobile communication system based on Internet protocol (IP) bearing and method for switching cells in system |
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| US7486621B2 (en) * | 2003-05-30 | 2009-02-03 | Alcatel-Lucent Usa Inc. | Method and apparatus for load sharing and overload control for packet media gateways under control of a single media gateway controller |
| US8275377B2 (en) * | 2006-04-20 | 2012-09-25 | Qualcomm Incorporated | Wireless handoffs between multiple networks |
| CN101365169B (en) * | 2007-08-09 | 2011-11-02 | 华为技术有限公司 | Routing control implementing method, system, media gateway and media gateway controller |
| US8427942B2 (en) * | 2010-06-03 | 2013-04-23 | Deutsche Telekom Ag | Method, apparatus, and system for connecting a mobile client to wireless networks |
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| CN101931985A (en) * | 2009-06-23 | 2010-12-29 | 华为技术有限公司 | Selecting method of service cell and network side equipment |
| CN102612069A (en) * | 2011-01-24 | 2012-07-25 | 中兴通讯股份有限公司 | Mobile communication system based on Internet protocol (IP) bearing and method for switching cells in system |
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