CN103517323B - The data transmission method of Wireless Heterogeneous Networks, shunting device, base station equipment - Google Patents
The data transmission method of Wireless Heterogeneous Networks, shunting device, base station equipment Download PDFInfo
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- CN103517323B CN103517323B CN201210204669.3A CN201210204669A CN103517323B CN 103517323 B CN103517323 B CN 103517323B CN 201210204669 A CN201210204669 A CN 201210204669A CN 103517323 B CN103517323 B CN 103517323B
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Abstract
The embodiment of the invention discloses a kind of data transmission method of line heterogeneous network, shunting device, base station equipment, described Wireless Heterogeneous Networks at least include the first link and the second link, described first link and described second link are different wireless access links, and the method includes：Receiving data bag, comprises customer equipment identification in described packet；According to described customer equipment identification, obtain the signal quality information of the first interface being connected respectively with described first link, described second link in described user equipment, second interface respectively, obtain described first link and the free buffer information of described second link respectively；Signal quality information according to described first interface and described second interface, and obtain the free buffer information of described first link and described second link, determine the transmission link of described packet, solve the problems, such as that existing data distribution method has the availability of frequency spectrum low.
Description
Technical field
The present invention relates to network communication technology field, more particularly, to a kind of data transmission method of Wireless Heterogeneous Networks, point
Flow device, base station equipment.
Background technology
With the evolution of wireless access technology, in the network design of unified wireless access network, will deposit in some time
Wireless network in multi-standard（Heterogeneous network）Run simultaneously, therefore, how sufficiently to utilize every kind of standard in heterogeneous network
Network characteristic, the network of various standards is organically merged the unified service that provides the user, and reduces and runs at double
Lift Consumer's Experience simultaneously, a key point of future technical advances will be become.
As the key technology in Wireless Heterogeneous Networks fusion by industry extensive concern, it refers to pass through not data for shunting
Wireless network with standard is distributed in user equipment.
Inventor finds during realizing the present invention, and existing data distribution method has low the asking of the availability of frequency spectrum
Topic.
Content of the invention
The embodiment of the present invention provides a kind of data transmission method of Wireless Heterogeneous Networks, shunting device, base station equipment, can
Improve the availability of frequency spectrum of the data transmission method of Wireless Heterogeneous Networks.
One side, the embodiment of the present invention provides a kind of data transmission method of Wireless Heterogeneous Networks, described wirelessly different
Network forming network at least includes the first link and the second link, and described first link and described second link are different wireless access chains
Road, methods described includes：
Receiving data bag, comprises customer equipment identification in described packet；
According to described customer equipment identification, obtain respectively in described user equipment with described first link, described second chain
First interface that road connects respectively, the signal quality information of second interface, obtain described first link and described second chain respectively
The free buffer information on road；
According to the signal quality information of described first interface and described second interface, and obtain described first link and
The free buffer information of described second link, determines the transmission link of described packet.
In the first possible implementation, according to described customer equipment identification, obtain respectively in described user equipment
The first interface that is connected respectively with described first link, described second link, the signal quality information of second interface, are implemented
Can be：
Send the first request message to the corresponding user equipment of described customer equipment identification, described first request message in order to
Indicate that described user equipment obtains the signal quality information of described first interface and described second interface；Receive described user equipment
The first response message returning, described first response message includes described first interface and the signal quality of described second interface
Information；Or,
Send the second request message to the corresponding user equipment of described customer equipment identification, described second request message in order to
Indicate that the signal quality information of the described first interface obtaining and described second interface is sent respectively to by described user equipment right
The first radio access module answered and corresponding second radio access module；Receive described first radio access module and described
The second response message that two radio access modules return respectively, includes the letter of corresponding interface respectively in each described second response message
Number quality information, described first interface corresponds to described first radio access module, and described second interface is corresponding described second wireless
AM access module.
In the possible implementation of second, obtain described first link and the free buffer of described second link respectively
Information, implements and can be：
Send the 3rd request message respectively to described first radio access module and described second radio access module, each institute
State the 3rd request message corresponding in order to indicate that described first radio access module and described second radio access module obtain respectively
The free buffer information of link；The free buffer information of described first link, institute is stored in described first radio access module
State the free buffer information storing described second link in the second radio access module；Receive described first wireless access respectively
Module and the 3rd response message of described second radio access module return, include in each described 3rd response message corresponding to respectively
The free buffer information of link.
According to the possible implementation of the first possible implementation and second, in the third possible implementation
In, according to the signal quality information of described first interface and described second interface, and described first link and described second chain
The free buffer information on road, determines the transmission link of described packet, implements and can be：
According to described regulatory factor β, determine whether the signal quality of described first interface is better than the letter of described second interface
Number quality, if it is determined that whether the free buffer of described first link is default more than or equal to described first link idle slow
Deposit threshold value, otherwise determine whether the free buffer of described second link is more than or equal to the default free buffer of described second link
Threshold value；
If it is determined that the free buffer of described first link is more than or equal to the default free buffer threshold value of described first link,
Then described first link is defined as the transmission link of described packet；
If it is determined that the free buffer of described first link is less than the default free buffer threshold value of described first link, according to
Regulatory factor α, and the free buffer of described first link of determination is better than the free buffer of described second link, then by described first
Link is defined as the transmission link of described packet；
If it is determined that the free buffer of described second link is more than or equal to the default free buffer threshold value of described second link,
Described second link is defined as the transmission link of described packet；
If it is determined that the free buffer of described second link is less than the default free buffer threshold value of described second link, according to
Regulatory factor α, and the free buffer of described second link of determination is better than the free buffer of described first link, by described second chain
Road is defined as the transmission link of described packet；
Described regulatory factor α is the free time according to described subscriber policy to the corresponding link of interface each in described user equipment
Cache the regulatory factor being adjusted；
Described regulatory factor β is according to subscriber policy, the signal quality of each interface in described user equipment to be adjusted
Regulatory factor, described subscriber policy be according to user instruction to interface each in described user equipment default distributing strategy.
Second aspect, the embodiment of the present invention provides a kind of shunting device, is arranged at Wireless Heterogeneous Networks side, described wirelessly different
Network forming network at least includes the first link and the second link, and described first link and described second link are different wireless access chains
Road, described shunting device includes：
Receiver module, for receiving data bag, comprises customer equipment identification in described packet；
Acquisition module, for the customer equipment identification comprising in the packet that received according to described receiver module, obtains respectively
Take the signal of the first interface being connected respectively in described user equipment, second interface with described first link, described second link
Quality information, obtains described first link and the free buffer information of described second link respectively；
Determining module, for the signal matter of the described first interface that obtained according to described acquisition module and described second interface
Amount information, and the free buffer information of described first link and described second link, determine the transmission link of described packet.
The third aspect, the embodiment of the present invention provides a kind of base station equipment, including：Above-mentioned shunting device.
The shunting device of the embodiment of the present invention, according to the customer equipment identification comprising in data to be transmitted bag, obtains user
The free buffer information of the signal quality information of each interface and each link in equipment, the signal quality information based on each interface and each
The free buffer information of link, according to regulatory factor α and regulatory factor β, is dynamically selected the link of transmission packet, Neng Gouti
The availability of frequency spectrum of the data transmission method of high Wireless Heterogeneous Networks.
Brief description
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
Have technology description in required use accompanying drawing be briefly described it should be apparent that, drawings in the following description are the present invention
Some embodiments, for those of ordinary skill in the art, without having to pay creative labor, can also root
Obtain other accompanying drawings according to these accompanying drawings.
Fig. 1 is the system architecture schematic diagram of the data distribution method application of existing Wireless Heterogeneous Networks；
The schematic flow sheet of the data transmission method of the Wireless Heterogeneous Networks that Fig. 2 provides for the embodiment of the present invention one；
Fig. 3 is a kind of schematic flow sheet of specific implementation of step 203 in embodiment illustrated in fig. 2；
The schematic flow sheet of the data transmission method of the Wireless Heterogeneous Networks that Fig. 4 provides for the embodiment of the present invention two；
A kind of system structure diagram that Fig. 5 applies for embodiment illustrated in fig. 4；
Fig. 6 is that application system shown in Figure 5 carries out to downlink data shunting a kind of signalling diagram processing；
Fig. 7 is that application system shown in Figure 5 carries out to upstream data shunting a kind of signalling diagram processing；
The signalling diagram of the data transmission method of the Wireless Heterogeneous Networks that Fig. 8 provides for the embodiment of the present invention three；
A kind of system structure diagram that Fig. 9 applies for embodiment illustrated in fig. 8；
The structural representation of the shunting device that Figure 10 provides for the embodiment of the present invention four；
The structural representation of the shunting device that Figure 11 provides for the embodiment of the present invention five.
Specific embodiment
Purpose, technical scheme and advantage for making the embodiment of the present invention are clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described it is clear that described embodiment is
The a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment being obtained under the premise of not making creative work, broadly falls into the scope of protection of the invention.
Fig. 1 is the system architecture schematic diagram of the data distribution method application of existing Wireless Heterogeneous Networks.As shown in figure 1,
It is specially：The bearing request message that core net sends according to user equipment, judges whether to meet default shunting rule, if so,
Then by the public data network gateway positioned at core net（Packet Data Network Gateway, abbreviation PGW）To data
Shunted.
There are the following problems for existing core network data shunt method：
In this case it is not apparent that the signal quality situation of user device interface when PGW in core net shunts to data, therefore
The window that possible selection is transmitted as data with the poor interface of signal quality, thus cause the spectrum utilization of whole separate system
Rate reduces.
In view of the problem that above-mentioned prior art exists, embodiments provide a kind of data biography of Wireless Heterogeneous Networks
Transmission method, the schematic flow sheet of the data transmission method of the Wireless Heterogeneous Networks that Fig. 2 provides for the embodiment of the present invention one, described nothing
Line heterogeneous network at least includes the first link and the second link, and described first link and the second link are different wireless access chains
Road, methods described includes：
Step 201, receiving data bag, comprise customer equipment identification in described packet.
The present embodiment adopts shunting device receiving data bag, for example, shunting device can be arranged on wireless access network
（Radio Access Network, RAN）Base station equipment（Mi-Radio）Side.
If described packet is upstream data bag, comprise in described packet to send the user equipment mark of described packet
Know；If described packet is downlink data packet, comprise in described packet to receive the customer equipment identification of described packet.Its
In, customer equipment identification can be the device number of this user equipment, the present embodiment not concrete shape to this customer equipment identification
Formula is defined, as long as it will be appreciated by persons skilled in the art that the information being capable of this user equipment of unique mark is all permissible
As this customer equipment identification.
Step 202, according to described customer equipment identification, obtain respectively in described user equipment with described first link, institute
State first interface, the signal quality information of second interface that the second link connects respectively, obtain described first link and institute respectively
State the free buffer information of the second link.
The Wireless Heterogeneous Networks of the present embodiment are the simultaneous networks of multiple wireless access technologys, for example, exist simultaneously
UMTS（Universal Mobile Telecommunication System, UMTS）Technology, Long Term Evolution
（Long Term Evolution, LTE）Technology, Wireless Fidelity（Wireless Fidelity, WIFI）Technology.
Accordingly, user equipment includes multiple interfaces, such as UMTS interface, LTE interface, WIFI interface, each interface
A kind of corresponding wireless access links, for example, user equipment passes through to realize UMTS technology between UMTS interface and wireless access network, right
The link answered is UMTS link；User equipment passes through to realize LTE technology, corresponding link between LTE interface and wireless access network
For LTE link, by realizing WiFi technology between WIFI interface and wireless access network, corresponding link is WIFI chain to user equipment
Road.
It should be noted that the first interface of the present embodiment can be UMTS interface, LTE interface or WIFI interface, second
Interface can be LTE interface, UMTS interface or WIFI interface.
For example, in the present embodiment, can be using the side setting up communication channel between user equipment and shunting device
Formula obtains the signal quality information of first interface and second interface in described user equipment, and when implementing, shunting device is permissible
Send the first request message to the corresponding user equipment of described customer equipment identification, wherein, described first request message is in order to refer to
Show that described user equipment obtains the signal quality information of itself first interface and second interface；
User equipment, according to the first request message receiving, obtains the signal matter of itself first interface and second interface respectively
Amount information, and return the first response message to shunting device, described first response message includes described first interface and described
The signal quality information of second interface.
Shunting device receives the first response message that described user equipment returns, and obtains the first interface of described user equipment
Signal quality information with second interface.
In further example, shunting device can send the second request message to the corresponding use of described customer equipment identification
Family equipment, described second request message obtains the signal matter of itself first interface and second interface in order to indicate described user equipment
Amount information, the signal quality information of the first interface of acquisition and second interface is sent respectively to corresponding by described user equipment
One radio access module and corresponding second radio access module, wherein, first interface correspondence the first radio access module, second
Interface corresponds to the second radio access module；
The signal quality information of the first interface of reception is sent to by the first radio access module by the second response message
Shunting device, the signal quality information of the first interface of reception is sent to by the second radio access module by the second response message
Shunting device；
Shunting device receives the second response message that the first radio access module and the second radio access module send respectively,
And obtain the signal quality information of the corresponding interface comprising in each second response message respectively.
It should be noted that first radio access module of the present embodiment can be UMTS module, LTE module or WIFI mould
Block, the second radio access module can be UMTS module, LTE module or WIFI module, and each module corresponds to a kind of wireless access
Link.
For example, user equipment can inquire about the corresponding signal quality information list of itself each interface, obtain correspondence and connects
The signal quality information of mouth, no longer describes in detail herein.It will be appreciated by persons skilled in the art that the present embodiment does not limit acquisition institute
That states the signal quality information of each interface in user equipment implements form.
In further example, the shunting device of the present embodiment can also obtain the first link and the free time of the second link is delayed
Deposit information, when implementing, shunting device sends the 3rd request message respectively to described first radio access module and described
Two radio access modules, each described 3rd request message is respectively in order to indicate described first radio access module and described second no
Line AM access module obtains the free buffer information of respective links；
For example, store the free buffer information of described first link in the first radio access module, second is wireless
The free buffer information of described second link is stored in AM access module；First radio access module and the second radio access module
According to the 3rd request message, inquire about each self-corresponding free buffer information list respectively, obtain corresponding free buffer information；Point
Not Gou Jian the 3rd response message, the 3rd response message includes each self-corresponding free buffer information, sends the 3rd response respectively
Disappear play to shunting device；
Shunting device receives the 3rd of described first radio access module and described second radio access module return respectively
Response message, obtains the free buffer information of the respective links comprising in each described 3rd response message.
Step 203, the signal quality information according to described first interface and described second interface, and obtain described first
Link and the free buffer information of described second link, determine the transmission link of described packet.
Fig. 3 is a kind of schematic flow sheet of specific implementation of step 203 in embodiment illustrated in fig. 2, specifically includes：
Step 301, determine whether the signal quality of described first interface is better than the signal quality of described second interface, if
It is, execution step 302, otherwise execution step 303.
For example, whether the present embodiment can be better than the using regulatory factor β come the signal quality to determine first interface
The signal quality of two interfaces, wherein, regulatory factor β is according to subscriber policy, the signal quality of each interface in this user equipment to be entered
Row adjust regulatory factor, subscriber policy be according to user instruction to interface each in described user equipment default distributing strategy.
Step 302, determine that whether the free buffer of corresponding first link of described first interface is more than described first link
Default free buffer threshold value, if so, then execution step 304, otherwise execution step 305.
For example, the first link default free buffer threshold value can be had according to the bearing capacity of the first link
The setting of body, for example, UMTS link there is resource bottleneck it is impossible to undertake the transmission of massive dataflow, therefore, it can
Suitably increase UMTS link default free buffer threshold value, cause asking of congestion to avoid mass data to be sent to UMTS link
Topic；On the contrary, LTE link has the roomy advantage of time delay small band relative to UMTS link, therefore, it can suitably to reduce LTE link pre-
If free buffer threshold value, thus increasing the data is activation amount of LTE link, also can guarantee that the time delay of data transfer is minimum simultaneously
Change.
Step 303, determine that whether the free buffer of corresponding second link of described second interface is more than described second link
Default free buffer threshold value, if so, then execution step 306, otherwise execution step 305.
For example, the second link default free buffer threshold value can also be had according to the bearing capacity of the second link
Body is arranged.
Step 304, described first link is defined as the transmission link of described packet.
Step 305, determine whether the free buffer of corresponding first link of described first interface is better than described second interface
The free buffer of corresponding second link, if so, then execution step 304, otherwise execution step 306.
Step 306, described second link is defined as the transmission link of described packet.
Wherein, in step 305, for example, corresponding first chain of described first interface can be determined using regulatory factor α
Whether the free buffer on road is better than the free buffer of corresponding second link of described second interface, and wherein, regulatory factor α is basis
The regulatory factor that subscriber policy is adjusted to the free buffer of the corresponding link of interface each in user equipment.
In the table 1 expression embodiment of the present invention between idle buffer threshold value, regulatory factor, signal quality and subscriber policy
A kind of relation, it should be noted that it will be appreciated by persons skilled in the art that the present embodiment is not limited to the tool shown in table 1
Body relation.
Table 1：
Subscriber policy in the present embodiment can be according to user instruction to interface each in user equipment default shunting plan
Slightly, for example, user equipment can by by this customer equipment identification and subscriber policy by signaling in the way of be sent to shunting and set
Standby, shunting device can be saved in subscriber policy mark corresponding lists by after described customer equipment identification and subscriber policy binding
In, upon reception of the data packet, according to the customer equipment identification carrying in packet, inquire about subscriber policy mark corresponding lists,
Obtain subscriber policy corresponding with this customer equipment identification, according to subscriber policy, adjust regulatory factor α, β, realize to idle slow
Deposit the dynamic adjustment with signal quality.
As shown in table 1, the first subscriber policy is the first link only, represents that user selects the first link to carry out data biography
Defeated, i.e. single-link transmission, in order to improve the code efficiency of first interface and the spectrum efficiency of the first link, obtain the first link more
Big network throughput, it is ensured that the transmission quality of the first link, can improve the first link pair and answer by reducing regulatory factor β
First interface signal quality, by reduce regulatory factor α, reduce the first link idle buffer threshold value.
Second subscriber policy is the second link only, represents that user selects the second link to carry out data transmission, that is, single-stranded
Road is transmitted, and in order to improve the code efficiency of second interface and the spectrum efficiency of the second link, obtains the bigger network of the second link
Handling capacity, it is ensured that the transmission quality of the second link, can improve the second link corresponding second and connect by increasing regulatory factor β
The signal quality of mouth, by increasing regulatory factor α, reduces the second link idle buffer threshold value.
The third subscriber policy is that the first link is preferential, represents that user priority selects the first link to carry out data transmission, such as
Fruit, when the first link idle caches inadequate transmission packet, can select the second link to carry out data transmission, at this point it is possible to suitable
When reducing regulatory factor β, thus improving the signal quality of the corresponding first interface of the first link, suitably reduce regulatory factor α, from
And reduce the first link idle buffer threshold value.
4th kind of subscriber policy is that the second link is preferential, represents that user priority selects the second link to carry out data transmission, such as
Fruit, when the second link idle caches inadequate transmission packet, can select the first link to carry out data transmission, at this point it is possible to suitable
When increasing regulatory factor β, thus improving the signal quality of the corresponding second interface of the second link, suitably increase regulatory factor α, from
And increase the first link idle buffer threshold value.
5th kind of subscriber policy is the first link and the second link, represents that user can select the first link to carry out data biography
Defeated it is also possible to select the second link carry out data transmission, now, the setting of regulatory factor α and β is according to the first link and the second chain
The actual bearer ability on road is configured.
In further example, in step 201, if also carrying priority tag, this reality in the packet receiving
Default preferential link can be defined as the chain of described packet according to described priority tag by the shunting device applying example
Road.For example, default preferential link can be according to the service quality of each link（Qulity of service, Qos）, by
Measured for a Service Quality therein link is preset as preferential link by shunting device, and for example, LTE link and UMTS link all have
Qos ensures, therefore, LTE link and UMTS link can be preset as preferential link by shunting device.
The shunting device of the embodiment of the present invention connects according to the signal quality information of each interface in the user equipment obtaining and respectively
The free buffer information of mouthful corresponding link, selection signal quality is good and free buffer is good link can carry out the biography of packet
Defeated, it is possible to increase the code efficiency of user equipment, thus improving the spectrum efficiency of network, obtain bigger network throughput, solution
Existing data distribution method of having determined has that the availability of frequency spectrum is low.
Meanwhile, the present embodiment shunting device is if it is determined that the free buffer of the corresponding link of the good interface of signal quality can not expire
During the transmission of sufficient packet, then the free buffer information according to other links, automatically selects the biography that other links carry out packet
Defeated, the shunting to packet can be automatically obtained according to the free buffer information of each bar link.
The present embodiment shunting device can also be moved according to the particular capacity of subscriber policy and each link, by regulatory factor
State ground adjusts free buffer threshold value and the signal quality of each link.
Whether the present embodiment shunting device can carry priority tag according in the packet receiving, and automatically will carry
The packet of priority tag is diverted in default preferential link and is transmitted, the Experience Degree of lifting user.
The schematic flow sheet of the data transmission method of the Wireless Heterogeneous Networks that Fig. 4 provides for the embodiment of the present invention two, Fig. 5 is
A kind of system structure diagram of embodiment illustrated in fig. 4 application, as shown in figure 5, the present embodiment is same with LTE technology and WiFi technology
When exist, and shunting device（Offload）It is in base station equipment（Mi-Radio）In as a example, user equipment（UE）Can pass through
LTE module in Mi-Radio（eNodeB）Access RAN it is also possible to pass through WIFI module in Mi-Radio（WLAN-AP）Access
One end of RAN, Offload connects WLAN-AP and eNodeB, and the other end passes through core net access network service provider, wherein,
Between UE and WLAN-AP, link is WIFI link (WLAN link), and the link between UE and eNodeB is LTE link, accordingly,
The interface being connected with WLAN-AP in UE is WIFI interface, and the interface being connected with eNodeB in UE is LTE interface.
As shown in figure 4, the method specifically includes：
Step 401, receiving data bag.
For example, comprise user equipment (UE) mark in this packet, or priority tag can also be comprised.
Step 402, determine whether packet carries priority tag, if so, execution step 408, otherwise execution step
403.
For example, LTE link has Qos and ensures, and the roomy advantage of time delay small band, and the present embodiment can be by LTE chain
Road is preset as preferential link, if including priority tag in packet, directly can carry out packet by LTE link
Transmission.
Step 403, according to carry in packet UE mark, obtain the letter of LTE interface and WIFI interface in this UE respectively
Number quality information, and the free buffer information of WIFI link and LTE link.For example, the letter of LTE interface and WIFI interface
Number quality information can be obtained by following two mode：
First kind of way, sets up communication channel between UE and Mi-Radio, and UE is by the signal of LTE interface and WIFI interface
Quality information reports the Offload in Mi-Radio；
Respective signal quality information is reported by the second way, the LTE interface on UE and WIFI interface respectively respectively
LTE module in Mi-Radio and WIFI module, LTE module and WIFI module can be by the signals of LTE interface and WIFI interface
Quality information is transmitted to Offload respectively, and wherein, LTE module and WIFI module are the wireless access that the embodiment of the present invention adopts
Module.
For example, store the free buffer information of LTE link in LTE module, WIFI module stores WI FI link
Free buffer information, therefore, LTE module and WIFI module can be straight with the free buffer information of LTE link by WIFI link
Offload is given in sending and receiving.
Step 404, according to regulatory factor β, whether the signal quality determining LTE interface better than the signal matter of WIFI interface
Amount, if so, then execution step 405；Otherwise execution step 406.
Step 405, determine that whether the free buffer of LTE link is more than or equal to LTE link default free buffer threshold value,
If so, then execution step 408, otherwise execution step 407.
Step 406, determine that whether the free buffer of WIFI link is more than or equal to WIFI link default free buffer thresholding
Value, if so, then execution step 409；Otherwise execution step 407.
Step 407, according to regulatory factor α, determine whether the free buffer of LTE link is delayed better than the free time of WIFI link
Deposit, if so, then execution step 408, otherwise execution step 409.
Step 408, deliver a packet to LTE module.
Step 409, deliver a packet to WIFI module.
Fig. 6 is that application system shown in Figure 5 carries out to downlink data shunting a kind of signalling diagram processing, and this shunting is processed
Process includes：
601st, set up data distribution, UE triggering shunting demand is notified by offload.
For example, offload can send the request of the signal quality information obtaining WLAN link and LTE link to UE
Message, wherein, WLAN link i.e. WIFI link.
602nd, UE measures the signal quality of descending WLAN link and LTE link respectively.
For example, WLAN link can be obtained by the signal quality of measurement and the link-attached WIFI interface of WLAN
Signal quality, obtains the signal quality of LTE link by the signal quality of measurement and the link-attached LTE interface of LTE.
603rd, WLAN_AP statistics WLAN link load conditions.
604th, eNodeB statistics LTE link load conditions.
Wherein, WLAN_AP is WIFI module, and eNodeB is LTE module, and WLAN link and LTE link load conditions are illustrated
For can be WIFI link and LTE link free buffer information.
605th, UE reports the signal quality of WLAN link in WLAN_AP.
606th, UE reports the signal quality of LTE link in eNodeB.
607th, the load state of the signal quality of WLAN link and WLAN link is sent to offload by WLAN_AP.
608th, the load state of the signal quality of LTE link and LTE link is sent to offload by eNodeB.
609th, offload determined according to the priority of packet and the link circuit condition of WLAN link and LTE link descending
Distributing strategy.
Wherein, the link circuit condition of WLAN link and LTE link include WLAN link and LTE link signal quality information and
Free buffer information.
If LTE link is default priority link, if comprising priority tag in packet, can be by LTE chain
Road is defined as the transmission link of this packet.
If not comprising priority tag in packet, can be determined according to the Link State of WLAN link and LTE link
The transmission link of packet, if the Link State of LTE link is better than the Link State of WLAN link it is determined that will be true for LTE link
It is set to the transmission link of this packet.
610th, downlink data packet is assigned to the transmission link of distributing strategy determination by offload according to descending distributing strategy
In.
Fig. 7 is that application system shown in Figure 5 carries out to upstream data shunting a kind of signalling diagram processing, and this shunting is processed
Process includes：
701st, set up data distribution, UE triggering shunting demand is notified by offload.
For example, offload can send the request of the signal quality information obtaining WLAN link and LTE link to UE
Message, wherein, WLAN link is WIFI link.
702nd, UE measures the signal quality of up WLAN link and LTE link respectively.
For example, WLAN link can be obtained by the signal quality of measurement and the link-attached WIFI interface of WLAN
Signal quality, obtains the signal quality of LTE link by the signal quality of measurement and the link-attached LTE interface of LTE.
703rd, WLAN_AP statistics WLAN link load conditions.
704th, eNodeB statistics LTE link load conditions.
Wherein, WLAN_AP is WIFI module, and eNodeB is LTE module, and WLAN link and LTE link load conditions are permissible
It is the free buffer information of WIFI link and LTE link.
705th, UE reports the signal quality of WLAN link in WLAN_AP.
706th, UE reports the signal quality of LTE link in eNodeB.
707th, the load state of the signal quality of WLAN link and WLAN link is sent to offload by WLAN_AP.
708th, the load state of the signal quality of LTE link and LTE link is sent to offload by eNodeB.
709th, offload determined according to the priority of packet and the link circuit condition of WLAN link and LTE link up
Distributing strategy.
Wherein, the link circuit condition of WLAN link and LTE link include WLAN link and LTE link signal quality information,
Free buffer information.
If LTE link is default priority link, if comprising priority tag in packet, can be by LTE chain
Road is defined as the transmission link of this packet.
If not comprising priority tag in packet, can be determined according to the Link State of WLAN link and LTE link
The transmission link of packet, if the Link State of LTE link is better than the Link State of WLAN link it is determined that will be true for LTE link
It is set to the transmission link of this packet.
710th, up distributing strategy is sent to UE by offload.
Up distributing strategy can be sent to UE by LTE link or WLAN link by offload.
711st, UE according to up distributing strategy, upstream data bag is assigned in the transmission link of distributing strategy determination.
It should be noted that the system structure diagram according to Fig. 5, when needing for packet to upload to network,
Due to the UE energy WIFI interface of direct measurement itself and the signal quality information of LTE interface, thus obtaining WLAN link and LTE chain
The signal quality information on road, therefore, upstream data distributing strategy can also be determined by UE, and this shunting processing procedure includes：
UE trigger data shunts demand, for example, can be sent to WLAN_AP and eNodeB by UE and obtain WLAN link
With the request message of the load state of LTE link, wherein, WLAN_AP is WIFI module, and eNodeB is LTE module, WLAN link
Load state with LTE link can be the free buffer information of WIFI link and LTE link, WLAN link i.e. WIFI chain
Road.
WLAN_AP counts the load state of WLAN link, and just WLAN link load conditions issue UE, and eNodeB counts
The load state of LTE link, and the load state of LTE link is issued UE.
The priority according to packet for the UE and the link circuit condition of WLAN link and LTE link, determine up distributing strategy,
And according to up distributing strategy, upstream data bag is assigned in different links.Wherein, the link of WLAN link and LTE link
Situation includes the signal quality information of WLAN link and LTE link, free buffer information；If LTE link is default preferential
LTE link if comprising priority tag in packet, can be defined as the transmission link of this packet by level link；If
Do not comprise priority tag in packet, the transmission of packet can be determined according to the Link State of WLAN link and LTE link
Link, if the Link State of LTE link is better than the Link State of WLAN link it is determined that LTE link is defined as this packet
Transmission link.
The shunting device of the embodiment of the present invention can be with the good interface transmission packet of prioritizing selection signal quality, it is possible to increase
The code efficiency of user equipment and the spectrum efficiency of Wireless Heterogeneous Networks, obtain bigger network throughput；When the signal selecting
When the transmission of the measured interface of matter corresponding link can not meet data transfer demands, can also be according to the load feelings of other links
Condition, is automatically obtained the shunting to packet, thus lifting the Experience Degree of user.Meanwhile, during data distribution, fully examine
Consider the priority of packet, automatically be allocated in default preferential link being transmitted by the packet of priority.
It is pointed out that to those skilled in the art, described in the embodiment of the present invention, Wireless Heterogeneous Networks also have
The simultaneous possibility of other technologies, for example, it is possible to UMTS technology and WiFi technology exist simultaneously, or can with LTE technology and
UMTS technology exists simultaneously, is not limited to the example above.
Wherein, Wireless Heterogeneous Networks described in the present embodiment exist when UMTS technology and WiFi technology it is contemplated that UMTS simultaneously
The resource bottleneck of link, it is impossible to undertake the transmission of massive dataflow, therefore, it can suitably to increase UMTS link default idle slow
Deposit threshold value, to avoid mass data to be sent to the problem that UMTS link causes congestion；On the contrary, WIFI link is relative to UMTS link
There is the big advantage of resource, therefore, it can suitably reduce WIFI link default free buffer threshold value, increase regulatory factor a,
β, thus increase the data is activation amount of WIFI link；For example, if there is UMTS technology and WiFi technology simultaneously, this enforcement
Example shunting device to receive packet carry out shunt transmission realize flow process and the method phase described in embodiment illustrated in fig. 3
Same, no longer it is described in detail.
Wherein, when Wireless Heterogeneous Networks described in the present embodiment have LTE technology and UMTS technology simultaneously, shunting device docks
The packet received carry out shunting transmission to realize flow process identical with the method described in embodiment illustrated in fig. 3, be no longer described in detail.Need
It is noted that because UMTS link and LTE link have transmission quality（Qulity of service, Qos）Guarantee, such as
When carrying priority tag in the packet that fruit receives, shunting device can be without the priority tag considering in packet.
Simultaneously it is contemplated that the resource bottleneck of UMTS link, it is impossible to undertake the transmission of massive dataflow, therefore, it can suitably increase UMTS
Link default free buffer threshold value, to avoid mass data to be sent to the problem that UMTS link causes congestion；On the contrary, LTE
Link has the little advantage of time delay relative to UMTS link, therefore, it can suitably reduce regulatory factor a, β, reduces LTE link and presets
Free buffer threshold value, thus increasing the data is activation amount of LTE link, simultaneously ensure data transfer minimizing delay.
When Wireless Heterogeneous Networks described in the present embodiment have UMTS technology, WiFi technology and LTE technology simultaneously, the present invention is real
Apply example three and provide a kind of data transmission method of Wireless Heterogeneous Networks, the wireless isomer that Fig. 8 provides for the embodiment of the present invention three
The signalling diagram of the data transmission method of network, a kind of system structure diagram that Fig. 9 applies for embodiment illustrated in fig. 8, such as
Shown in Fig. 9, the present embodiment is existed with UMTS technology, LTE technology and WiFi technology simultaneously, and shunting device（Offload）It is in
Base station equipment（Mi-Radio）In as a example, user equipment (UE) can be by LTE module in Mi-Radio（eNodeB）Access RAN,
Can also be by WIFI module in Mi-Radio（WLAN-AP）Access RAN or by UMTS module in Mi-Radio
（NodeB）Access RAN, one end of Offload connects NodeB, WLAN-AP and eNodeB, and the other end passes through core net access network
Network service provider, wherein, between UE and WLAN-AP, link is WIFI link（WLAN link）, chain between UE and eNodeB
Road is LTE link, and the link between UE and NodeB is UMTS link, and accordingly, the interface being connected with WLAN-AP in UE is
WIFI interface, the interface being connected with eNodeB in UE is LTE interface, and the interface that UE is connected with NodeB is UMTS interface.
As shown in figure 8, specifically including：
801st, set up data distribution, UE triggering shunting demand is notified by offload.
For example, offload can send, to UE, the signal quality obtaining WLAN link, LTE link and UMTS link
The request message of information, wherein, WLAN link i.e. WIFI link.
802nd, UE measures the signal quality of WLAN link, LTE link and UMTS link respectively.
For example, WLAN link can be obtained by the signal quality of measurement and the link-attached WIFI interface of WLAN
Signal quality, obtains the signal quality of LTE link, by surveying by the signal quality of measurement and the link-attached LTE interface of LTE
The signal quality of amount and UMTS link-attached UMTS interface obtains the signal quality of UMTS link.
803rd, WLAN_AP statistics WLAN link load conditions.
804th, eNodeB statistics WLTE link load conditions.
805th, NodeB statistics UMTS link load conditions.
Wherein, the load state of WLAN link, LTE link and UMTS link can be WIFI link, LTE link and UMTS
The free buffer information of link.
806th, UE reports the signal quality of WLAN link in WLAN_AP.
807th, UE reports the signal quality of LTE link in eNodeB.
808th, UE reports the signal quality of UMTS link in NodeB.
809th, the load state of the signal quality of WLAN link and WLAN link is sent to offload by WLAN_AP.
810th, the load state of the signal quality of LTE link and LTE link is sent to offload by eNodeB.
811st, the load state of the signal quality of UMTS link and UMTS link is sent to offload by NodeB.
812nd, the link circuit condition of the priority according to packet for the offload and WLAN link, LTE link and UMTS link
Determine distributing strategy.
Wherein, the link circuit condition of WLAN link, LTE link and UMTS link includes WLAN link, LTE link and UMTS chain
The signal quality information on road, free buffer information.
Because LTE link and UMTS link all have transmission quality（Qos）Guarantee, all can be preset as priority chain
Road, if comprising priority tag in packet, shunting device can randomly choose LTE link or UMTS link is defined as this number
Transmission link according to bag.Further, shunting device is randomly choosing LTE link or during UMTS link it may be considered that packet
Attribute, if packet is the data of video traffic, due to LTE link, to have a time delay small band roomy, therefore permissible
LTE link is defined as the transmission link of this packet；If packet is the data of downloading service, due to now not pair when
Prolong and there is higher requirement, therefore can select the corresponding data of UMTS link transmission.
If not comprising priority tag in packet, can be in WLAN link, LTE link and UMTS link, will
The transmission link of the best link determination data bag of link circuit condition, for example, the Link State of LTE link be better than WLAN link and
The Link State of UMTS link it is determined that be defined as the transmission link of this packet by LTE link.
813rd, by allocation of packets in the transmission link determining.
For example, if packet is downlink data packet, offload is according to descending distributing strategy directly by downlink data
Bag is assigned in the transmission link of distributing strategy determination；
If packet is upstream data bag, offload will be able to be divided by LTE link, WLAN link or UMTS link
Flow Policy is sent to UE, UE according to distributing strategy by upstream data bag be assigned to distributing strategy determination spread out of in link.
The shunting device of the embodiment of the present invention can be with the good interface transmission packet of prioritizing selection signal quality, it is possible to increase
The code efficiency of user equipment and the spectrum efficiency of Wireless Heterogeneous Networks, obtain bigger network throughput；When the signal selecting
When the transmission of the measured interface of matter corresponding link can not meet data transfer demands, can also be according to the load feelings of other links
Condition, is automatically obtained the shunting to packet, thus lifting the Experience Degree of user.Meanwhile, during data distribution, fully examine
Consider the priority of packet, automatically be allocated in default preferential link being transmitted by the packet of priority.
The structural representation of the shunting device that Figure 10 provides for the embodiment of the present invention four；Shunting device described in the present embodiment
Wireless Heterogeneous Networks side can be arranged at, described Wireless Heterogeneous Networks at least include the first link and the second link, described first
Link and described second link are different wireless access links, and as shown in Figure 10, described shunting device specifically includes：
Receiver module 101, for receiving data bag, comprises customer equipment identification in described packet；
Acquisition module 102, for the described customer equipment identification comprising in the packet that received according to receiver module 101,
Obtain the first interface being connected respectively with described first link, described second link in described user equipment, second interface respectively
Signal quality information, obtain described first link and the free buffer information of described second link respectively；
Determining module 103, for the signal of the described first interface that obtained according to acquisition module 102 and described second interface
Quality information, and the free buffer information obtaining described first link and described second link determines the transmission of described packet
Link.
Shunting device described in the embodiment of the present invention can specifically for execution Fig. 2 shown in embodiment of the method methods described,
It is realized, and principle is similar with technique effect, and here is omitted.
The structural representation of the shunting device that Figure 11 provides for the embodiment of the present invention five, the shunting device base shown in Figure 10
Further expanding on plinth, as shown in figure 11；
For example, acquisition module 102 is corresponding to described customer equipment identification specifically for sending the first request message
User equipment, described first request message obtains described first interface and described second interface in order to indicate described user equipment
Signal quality information；Receive the first response message that described user equipment returns, described first response message includes described the
One interface and the signal quality information of described second interface；
In further example, acquisition module 102 is specifically additionally operable to send the second request message to described user equipment mark
Know corresponding user equipment, described second request message in order to indicate described user equipment by obtain described first interface and institute
The signal quality information stating second interface is sent respectively to corresponding first radio access module and corresponding second wireless access
Module；Receive the second response message that described first radio access module and described second radio access module return respectively, respectively
The signal quality information of corresponding interface is included respectively, described first interface correspondence described first is no in described second response message
Line AM access module, described second interface corresponds to described second radio access module.
In further example, acquisition module 102, are specifically additionally operable to send the 3rd request message respectively to described first no
Line AM access module and the second radio access module, each described 3rd request message is respectively in order to indicate described first wireless access mould
Block and the free buffer information of described second radio access module acquisition respective links；Store in described first radio access module
There is the free buffer information of described first link, the free time storing described second link in described second radio access module is delayed
Deposit information；Receive the 3rd response message that described first radio access module and the second radio access module return, each institute respectively
State the free buffer information including respective links in the 3rd response message respectively.
Accordingly, determining module 103 specifically includes：
First determining unit 1031, for according to described regulatory factor β, determine described first interface signal quality whether
It is better than the signal quality of described second interface, if it is determined that whether the free buffer of described first link is more than or equal to described
Whether the first link default free buffer threshold value, otherwise determine the free buffer of described second link more than or equal to described the
Two links default free buffer threshold value；
Second determining unit 1032, if the free buffer determining described first link for the first determining unit 1031 is more than
Equal to the default free buffer threshold value of described first link, then described first link is defined as the chain of described packet
Road；
3rd determining unit 1033, if the free buffer determining described first link for the first determining unit 1031 is less than
The default free buffer threshold value of described first link, according to regulatory factor α, and determine described first link free buffer good
In the free buffer of described second link, then described first link is defined as the transmission link of described packet；
4th determining unit 1034, if the free buffer determining described second link for the first determining unit 1031 is more than
Equal to the default free buffer threshold value of described second link, described second link is defined as the chain of described packet
Road；
5th determining unit 1035, if the free buffer determining described second link for the first determining unit 1031 is less than
The default free buffer threshold value of described second link, according to regulatory factor α, and determine described second link free buffer good
In the free buffer of described first link, described second link is defined as the transmission link of described packet；
Described regulatory factor α is the free buffer according to subscriber policy to the corresponding link of interface each in described user equipment
The regulatory factor being adjusted;Described regulatory factor β is the signal matter according to subscriber policy to each interface in described user equipment
Measure the regulatory factor that is adjusted, described subscriber policy is to default point of each in described user equipment interface according to user instruction
Flow Policy.
In further example, if also comprising priority tag, determining module 103 in described packet, it is additionally operable to basis
Described priority tag, default preferential link is defined as the transmission link of described packet, described default preferential link
It is transmission quality Qos according to described first link and described second link, by wherein good chain of described transmission quality Qos
Road is preset as preferential link.
Shunting device described in the embodiment of the present invention can be specifically for executing any one of Fig. 2-Fig. 4 and Fig. 6-Fig. 8
Method described in embodiment, it is realized, and principle is similar with technique effect, and here is omitted.
The embodiment of the present invention also provides a kind of base station equipment, including：As described shunting device arbitrary in Figure 10-Figure 11.
Base station equipment described in the embodiment of the present invention can be specifically for executing any one of Fig. 2-Fig. 4 and Fig. 6-Fig. 8
Method described in embodiment, it is realized, and principle is similar with technique effect, and here is omitted.
One of ordinary skill in the art will appreciate that：The all or part of step realizing said method embodiment can be passed through
Completing, aforesaid program can be stored in a computer read/write memory medium the related hardware of programmed instruction, this program
Upon execution, execute the step including said method embodiment；And aforesaid storage medium includes：ROM, RAM, magnetic disc or light
Disk etc. is various can be with the medium of store program codes.
Finally it should be noted that：Above example only in order to technical scheme to be described, is not intended to limit；Although
With reference to the foregoing embodiments the present invention is described in detail, it will be understood by those within the art that：It still may be used
To modify to the technical scheme described in foregoing embodiments, or equivalent is carried out to wherein some technical characteristics；
And these modifications or replacement, do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (10)
1. a kind of data transmission method of Wireless Heterogeneous Networks, described Wireless Heterogeneous Networks at least include the first link and the second chain
Road, described first link and described second link are different wireless access links it is characterised in that including：
Receiving data bag, comprises customer equipment identification in described packet；
According to described customer equipment identification, obtain respectively in described user equipment and divide with described first link, described second link
The signal quality information of the not first interface of connection, second interface, obtains described first link and described second link respectively
Free buffer information；
According to the signal quality information of described first interface and described second interface, and described first link and described second chain
The free buffer information on road, determines the transmission link of described packet；
Wherein, the described signal quality information according to described first interface and described second interface, and described first link and
The free buffer information of described second link, determines the transmission link of described packet, specifically includes：
According to regulatory factor β, determine whether the signal quality of described first interface is better than the signal quality of described second interface, if
It is it is determined that whether the free buffer of described first link is more than or equal to the default free buffer threshold value of described first link,
Otherwise determine whether the free buffer of described second link is more than or equal to the default free buffer threshold value of described second link；
If it is determined that the free buffer of described first link is more than or equal to the default free buffer threshold value of described first link, then will
Described first link is defined as the transmission link of described packet；
If it is determined that the free buffer of described first link is less than the default free buffer threshold value of described first link, according to regulation
Factor-alpha, and the free buffer of described first link of determination is better than the free buffer of described second link, then by described first link
It is defined as the transmission link of described packet；
If it is determined that the free buffer of described second link is more than or equal to the default free buffer threshold value of described second link, by institute
State the transmission link that the second link is defined as described packet；
If it is determined that the free buffer of described second link is less than the default free buffer threshold value of described second link, according to regulation
Factor-alpha, and the free buffer of described second link of determination is better than the free buffer of described first link, will be true for described second link
It is set to the transmission link of described packet；
Described regulatory factor α is the free buffer according to described subscriber policy to the corresponding link of interface each in described user equipment
The regulatory factor being adjusted；
Described regulatory factor β is the regulation signal quality of each interface in described user equipment being adjusted according to subscriber policy
The factor, described subscriber policy be according to user instruction to interface each in described user equipment default distributing strategy.
If 2. method according to claim 1 is it is characterised in that described packet is upstream data bag, described data
Comprise in bag to send the customer equipment identification of described packet；If described packet is downlink data packet, in described packet
Comprise to receive the customer equipment identification of described packet.
3. method according to claim 1 it is characterised in that described according to described customer equipment identification, obtain institute respectively
State the signal quality of the first interface being connected respectively in user equipment, second interface with described first link, described second link
Information, specifically includes：
Send the first request message to the corresponding user equipment of described customer equipment identification, described first request message is in order to indicate
Described user equipment obtains the signal quality information of described first interface and described second interface；Receive described user equipment to return
The first response message, described first response message includes the signal quality letter of described first interface and described second interface
Breath；Or,
Send the second request message to the corresponding user equipment of described customer equipment identification, described second request message is in order to indicate
The signal quality information of the described first interface obtaining and described second interface is sent respectively to corresponding by described user equipment
First radio access module and corresponding second radio access module；Receive described first radio access module and described second no
The second response message that line AM access module returns respectively, includes the signal matter of corresponding interface respectively in each described second response message
Amount information, described first interface corresponds to described first radio access module, and described second interface corresponds to described second wireless access
Module.
4. method according to claim 1 is it is characterised in that described obtain described first link and described second chain respectively
The free buffer information on road, specifically includes：
Send the 3rd request message respectively to the first radio access module and the second radio access module, each described 3rd request disappears
Breath delays in order to indicate described first radio access module and the free time of described second radio access module acquisition respective links respectively
Deposit information；The free buffer information of described first link is stored, described second wirelessly connects in described first radio access module
Enter the free buffer information storing described second link in module；Receive described first radio access module and described respectively
The 3rd response message that two radio access modules return, the free time including respective links in each described 3rd response message respectively is delayed
Deposit information.
If 5. method according to claim 1 is it is characterised in that also comprising priority tag in described packet, described
Also include after receiving data bag：
According to described priority tag, default preferential link is defined as the transmission link of described packet, described default
Preferential link is the Qos according to described first link and described second link, will wherein one described service quality
The good link of Qos is preset as preferential link.
6. a kind of shunting device, is arranged at Wireless Heterogeneous Networks side, and described Wireless Heterogeneous Networks at least include the first link and
Two links, described first link and described second link are different wireless access links it is characterised in that including：
Receiver module, for receiving data bag, comprises customer equipment identification in described packet；
Acquisition module, for the customer equipment identification comprising in the packet that receives according to described receiver module, obtains institute respectively
State the signal quality of the first interface being connected respectively in user equipment, second interface with described first link, described second link
Information, obtains described first link and the free buffer information of described second link respectively；
Determining module, for the signal quality letter of the described first interface that obtained according to described acquisition module and described second interface
Breath, and the free buffer information of described first link and described second link, determine the transmission link of described packet；
Wherein, described determining module specifically includes：
First determining unit, for according to regulatory factor β, determining whether the signal quality of described first interface is better than described second
The signal quality of interface, if it is determined that whether the free buffer of described first link is preset more than or equal to described first link
Free buffer threshold value, otherwise determine that the free buffer of described second link is whether default more than or equal to described second link
Free buffer threshold value；
Second determining unit, if determine the free buffer of described first link more than or equal to described for described first determining unit
First link default free buffer threshold value, then be defined as the transmission link of described packet by described first link；
3rd determining unit, if the free buffer determining described first link for described first determining unit is less than described first
Link default free buffer threshold value, according to regulatory factor α, and determines that the free buffer of described first link is better than described the
The free buffer of two links, then be defined as the transmission link of described packet by described first link；
4th determining unit, if determine the free buffer of described second link more than or equal to described for described first determining unit
Second link default free buffer threshold value, described second link is defined as the transmission link of described packet；
5th determining unit, if the free buffer determining described second link for described first determining unit is less than described second
Link default free buffer threshold value, according to regulatory factor α, and determines that the free buffer of described second link is better than described the
The free buffer of one link, described second link is defined as the transmission link of described packet；
Described regulatory factor α is the free buffer according to described subscriber policy to the corresponding link of interface each in described user equipment
The regulatory factor being adjusted；
Described regulatory factor β is the regulation signal quality of each interface in described user equipment being adjusted according to subscriber policy
The factor, described subscriber policy be according to user instruction to interface each in described user equipment default distributing strategy.
7. shunting device according to claim 6, it is characterised in that described acquisition module, is asked specifically for sending first
Ask message to the corresponding user equipment of described customer equipment identification, described first request message obtains in order to indicate described user equipment
Take described first interface and the signal quality information of described second interface；The first response receiving described user equipment return disappears
Breath, described first response message includes described first interface and the signal quality information of described second interface；
Described acquisition module, is specifically additionally operable to send the second request message to the corresponding user equipment of described customer equipment identification,
Described second request message in order to indicate described user equipment by obtain described first interface and described second interface signal
Quality information is sent respectively to corresponding first radio access module and corresponding second radio access module；Receive described first
The second response message that radio access module and described second radio access module return respectively, in each described second response message
Include the signal quality information of corresponding interface respectively, corresponding described first radio access module of described first interface, described second
Interface corresponds to described second radio access module.
8. shunting device according to claim 6, it is characterised in that described acquisition module, is specifically additionally operable to send respectively
3rd request message gives the first radio access module and the second radio access module, and each described 3rd request message is respectively in order to refer to
Show that described first radio access module and described second radio access module obtain the free buffer information of respective links；Described
Store the free buffer information of described first link in one radio access module, store in described second radio access module
The free buffer information of described second link；Receive described first radio access module and described second radio access module respectively
The 3rd response message returning, includes the free buffer information of respective links respectively in each described 3rd response message.
If 9. shunting device according to claim 6 is it is characterised in that also comprise priority tag in described packet；
Described determining module, is additionally operable to, according to described priority tag, default preferential link is defined as described packet
Transmission link, described default preferential link is the Qos according to described first link and described second link, by it
In a good link of described Qos be preset as preferential link.
10. a kind of base station equipment is it is characterised in that include：Shunting device as any one of claim 6-9.
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| US12041646B2 (en) | 2019-02-12 | 2024-07-16 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Packet offloading method, mobile terminal, and storage medium |
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