CN110381551A - A kind of data transmission method, terminal and the system of double card bilateral terminal - Google Patents
A kind of data transmission method, terminal and the system of double card bilateral terminal Download PDFInfo
- Publication number
- CN110381551A CN110381551A CN201910668516.6A CN201910668516A CN110381551A CN 110381551 A CN110381551 A CN 110381551A CN 201910668516 A CN201910668516 A CN 201910668516A CN 110381551 A CN110381551 A CN 110381551A
- Authority
- CN
- China
- Prior art keywords
- card
- server
- terminal
- sent
- fusion device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0011—Control or signalling for completing the hand-off for data sessions of end-to-end connection
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/14—Reselecting a network or an air interface
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/16—Performing reselection for specific purposes
- H04W36/165—Performing reselection for specific purposes for reducing network power consumption
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/24—Reselection being triggered by specific parameters
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/11—Allocation or use of connection identifiers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
- H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses data transmission method, terminal and the systems of a kind of double card bilateral terminal.This method comprises: if it is determined that being not received by the downlink service data of first server transmission in preset duration, down going channel switching request is then sent to first server, first server is the server communicated with the first card installed in double card bilateral terminal, and down going channel switching request includes the mark of the first card and the mark of the second card;In response to second server forwarding, fusion device transmission paging request, attach request is sent to fusion device, second server is the server communicated with the second card installed in double card bilateral terminal, and first server, second server are communicated to connect with fusion device;Message is completed in response to the connection that fusion device is sent, receives the downlink service data that fusion device is sent.In the down going channel failure of the first card, the second card transmission downlink data is automatically selected, so that terminal is remained to access internet, improves customer experience degree.
Description
Technical field
The present invention relates to fields of communication technology, and in particular to a kind of data transmission method of double card bilateral terminal, terminal and
System.
Background technique
With the development of wireless communication technique, people are higher and higher to the dependence of wireless terminal, wherein double card bilateral is mobile
Terminal brings many conveniences to user, and the sale ratio of double card bilateral mobile terminal is also increasing in the market.Double card
Mountable two independent card slots in bilateral mobile terminal, i.e. client identification module (Subscriber Identity Module,
Referred to as are as follows: SIM) or Global Subscriber identification module (Universal Subscriber Identity Module, USIM).Double card
Bilateral mobile terminal generally comprises two sets of baseband processor, and two sets of baseband processor can support two SIM cards or usim card simultaneously
Work, each USIM/SIM card can support one or more network formats, and two USIM/SIM cards can belong to the same fortune
Quotient is sought, may belong to different operators.When two USIM/SIM cards support different network formats respectively, mobile terminal branch
It holds two USIM/SIM and is stuck on two networks and succeed in registration respectively, and is standby simultaneously;When two USIM/SIM cards supports are same
When a network formats, mobile terminal supports two USIM/SIM are stuck on the same network to succeed in registration respectively, and standby simultaneously.
The double card of double card bilateral mobile terminal is divided into main card and vice card, and user is led to using double card bilateral mobile terminal
When words or online, default choice main card carrys out bearer network business, can also manually select vice card to carry out bearer network business,
But double card bilateral mobile terminal will not automatically select which card carrys out bearer network industry according to the communication network situation of main card and vice card
Business.If mobile terminal accesses internet by the communication network of main card, and downlink occurs in the communication network where main card
When channel failure (such as: the down going channel of base station blocks), then server can not transmit downlink data to mobile terminal, make
The communication disruption between mobile terminal and server is obtained, poor user experience is caused.
Summary of the invention
For this purpose, the present invention provides data transmission method, the apparatus and system of a kind of double card bilateral terminal, to solve existing skill
Due to logical between terminal and server caused by occurring down going channel failure in the network where the first card of terminal in art
The problem of letter interrupts.The problem to be solved in the present invention is: double card bilateral terminal will not be according to the communication network feelings of main card and vice card
The problem of condition automatically selects bearer network and leads to the communication disruption between terminal and server.
To achieve the goals above, first aspect present invention provides a kind of data transmission method of double card bilateral terminal, should
Method is applied to double card bilateral terminal, this method comprises: if it is determined that being not received by first server transmission in preset duration
Downlink service data, then send down going channel switching request to first server, first server is and double card bilateral terminal
The server that first card of middle installation is communicated, down going channel switching request include the mark of the first card and the mark of the second card
Know;In response to second server forwarding, paging request that fusion device is sent, attach request is sent to fusion device, second
Server is the server communicated with the second card installed in double card bilateral terminal, and first server, second server are equal
It is communicated to connect with fusion device;Message is completed in response to the connection that fusion device is sent, receives the lower industry that fusion device is sent
Business data.
Wherein, message is completed in response to the connection that fusion device is sent, receives the downlink service data that fusion device is sent
Step, comprising: receive the connection that fusion device is sent and complete message, wherein it includes that down going channel has switched that message is completed in connection
At mark;Switched according to down going channel and complete mark, cutting is connect with the down going channel of first server;Using with second service
The new down going channel that device is established receives the downlink service data that fusion device is sent.
Wherein, send down going channel switching request to first server step before, further includes: send first message to
First server, wherein first message includes: the type of the mark of the first card, the mark of the second card and terminal;Receive the first clothes
The first association confirmation message that business device returns;First message is sent to second server;Receive second server returns second
It is associated with confirmation message.
Wherein, first message further include: the network type of the network type of the first card and the second card, and the network of the first card
Type is different from the network type of the second card.
It wherein, include unilateral downlink connection identifier in paging request;Attach request includes unilateral downlink connection identifier.
To achieve the goals above, second aspect of the present invention provides a kind of data transmission method of double card bilateral terminal, should
Method is applied to fusion device, this method comprises: leading in response to first server forwarding, the transmission of double card bilateral terminal downlink
Road switching request sends paging request to second server, wherein down going channel switching request includes the mark and the of the first card
The mark of two cards, first server are the server communicated with the first card installed in double card bilateral terminal, second service
Device is the server communicated with the second card installed in double card bilateral terminal;
In response to the attach request that double card bilateral terminal is sent, the second destination address of double card bilateral terminal distribution is given, is sent
Connection completes message and gives double card bilateral terminal, wherein message is completed in attach request and connection, by installing in double card bilateral terminal
Second card where network transmitted;
In response to the downlink service data that network server is sent, the first destination address in downlink service data is replaced
For the second destination address, sends downlink service data and give double card bilateral terminal.
Wherein, it includes: that mark is completed in down going channel switching that message is completed in connection.
Wherein, attach request includes: unilateral downlink connection identifier.
To achieve the goals above, third aspect present invention provides a kind of double card bilateral mobile terminal, comprising: first sends
Module, for after determining and being not received by preset duration the downlink service data of first server transmission, under transmission
For row of channels switching request to first server, first server is to be communicated with the first card installed in double card bilateral terminal
Server, down going channel switching request include the mark of the first card and the mark of the second card;Second sending module, in response to
Second server forwarding, paging request that fusion device is sent, send attach request to fusion device, second server be with
The second server that is communicated of card installed in double card bilateral terminal, first server, second server are and fusion device
Communication connection;Message is completed in receiving module, the connection for sending in response to fusion device, receives the downlink that fusion device is sent
Business datum.
To achieve the goals above, fourth aspect present invention provides a kind of data transmission system of double card bilateral terminal, packet
It includes: double card bilateral terminal, first server, second server and fusion device;Double card bilateral terminal respectively with first server
It is communicated to connect with second server, fusion device is communicated to connect with first server and second server respectively;Double card bilateral is whole
Hold the data transmission method for executing the double card bilateral terminal that above-mentioned first aspect provides;First server is used in response to double
The first message that card bilateral terminal is sent, the first card and the second card is associated;It is double to double card to send the first association confirmation message
Logical terminal;The down going channel switching request that the double card bilateral terminal received is sent is sent to fusion device, wherein first disappears
Breath includes: the type of the mark of the first card, the mark of the second card and terminal, and down going channel switching request includes the mark of the first card
With the mark of the second card;Second server is used for the first message sent in response to double card bilateral terminal, by the first card and second
Card is associated;It sends the second association confirmation message and gives double card bilateral terminal;The paging request that the fusion device received is sent
It is sent to terminal;Fusion device is used to execute the data transmission method for the double card bilateral terminal that above-mentioned second aspect provides.
The present invention has the advantage that giving install in double card bilateral terminal the by sending down going channel switching request
The first server that one card is communicated determines that down going channel switching is completed;And in response to install in double card bilateral terminal
The second server forwarding that second card is communicated, fusion device transmission paging request, sends attach request and sets to fusion
It is standby, it is communicated to connect so that the second card can be established with fusion device.By the forwarding of fusion device, downlink service data is passed through
The network of second card is sent to double card bilateral terminal, when ensure that the down going channel failure of the first card of double card bilateral terminal, from
Dynamic the second card of selection transmission downlink data improves client's body so that the double card bilateral terminal still is able to access internet
Degree of testing.
Wherein, by sending first message respectively to first server and second server, so that first server is by
One card is associated with the second card, and second server is also associated with the second card by the first card, so that fusion device is receiving
When to down going channel switching request, paging request to be sent can determine to second server, ensure that fusion device can be with
Second card establishes communication connection.And then keep downlink service data mobile eventually to double card bilateral by the network transmission of the second card
End ensure that user accesses the continuity of internet, improve customer experience degree.
Detailed description of the invention
The drawings are intended to provide a further understanding of the invention, and constitutes part of specification, with following tool
Body embodiment is used to explain the present invention together, but is not construed as limiting the invention.
Fig. 1 is a kind of data transmission method process blocks of the double card bilateral terminal provided in first embodiment of the invention
Figure;
Fig. 2 is a kind of data transmission method process blocks of the double card bilateral terminal provided in second embodiment of the invention
Figure;
Fig. 3 is a kind of data transmission method process blocks of the double card bilateral terminal provided in third embodiment of the invention
Figure;
Fig. 4 is a kind of block diagram of the double card bilateral terminal provided in four embodiment of the invention;
Fig. 5 is the data transmission system block diagram of the double card bilateral terminal provided in fifth embodiment of the invention;
Fig. 6 is the downlink data transmission flow chart of the double card bilateral terminal provided in fifth embodiment of the invention.
In the accompanying drawings:
401: the first sending module, 402: the second sending module
403: receiving module
501: double card bilateral terminal 502: first server
503: second server 504: fusion device
Specific embodiment
Below in conjunction with attached drawing, detailed description of the preferred embodiments.It should be understood that this place is retouched
The specific embodiment stated is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
The first embodiment of the present invention is related to a kind of data transmission methods of double card bilateral terminal.For making double card bilateral
Terminal can automatically select bearer network according to the communication network situation of main card and vice card, so that double card bilateral terminal can
Continuous access internet.
The realization details of the data transmission method of the double card bilateral terminal in present embodiment is carried out specifically below
Bright, the following contents only understands the realization details of this programme for convenience, not implements the necessary of this programme.
Fig. 1 is the flow chart of the data transmission method of the double card bilateral terminal in present embodiment, and this method can be used for double
Card bilateral terminal.This method may include following steps.
In a step 101, however, it is determined that the downlink service data of first server transmission is not received by preset duration,
Down going channel switching request is then sent to first server.
Wherein, first server is the server communicated with the first card installed in double card bilateral terminal, and downlink is logical
Road switching request includes the mark of the first card and the mark of the second card.
It should be noted that preset duration may be set according to actual conditions, such as setting 10 seconds or 20 seconds etc. different
Time span.When double card bilateral terminal is by the first card access internet, the data transmission in meeting real-time monitoring uplink and downlink channel
Situation, if in preset duration, installed in the double card bilateral terminal first card can be used data feedback channel upload data to
First server, but the downlink service data of first server transmission can not be received, then show the uplink of the first card belonging network
Channel is normal, but downlink data channel presence exception (such as: there is congestion etc. in downlink data channel), if still using at this time
First card access internet, then can not receive downlink service data.By sending down going channel switching request to first service
Device, it is desirable to be able to switch down going channel, to restore the reception of downlink data.
For example, network type belonging to the first card is forth generation communication network (4 Generation Mobile of The
Communication Technology, 4G), then first server is the network node (Mobility in 4G network
Management Entity, MME), the mark of the first card can be the international mobile subscriber identity of the first card
(International Mobile Subscriber Identification Number, IMSI), being also possible to other can
Characterize the mark of the first card attribute;And network type belonging to the second card is third generation communication network (3 Generation of The
Mobile Communication Technology, 3G), then second server is the mobile switching centre in 3G network
The mark of (Mobile Switching Center, MSC), the second card can be the IMSI of the second card, and being also possible to other can
Characterize the mark of the second card attribute.When the down going channel of 4G card is deposited when abnormal, 4G card can send down going channel switching to MME and ask
It asks, to carry out the switching of down going channel, wherein down going channel switching request includes the IMSI of the IMSI and 3G card of 4G card.
In a step 102, it in response to second server forwarding, fusion device transmission paging request, sends attachment and asks
It asks to fusion device.
Wherein, second server is the server communicated with the second card installed in double card bilateral terminal, the first clothes
Business device, second server are communicated to connect with fusion device.
At one in the specific implementation, including unilateral downlink connection identifier in paging request;Attach request includes unilateral downlink
Connection identifier.Specifically, fusion device can be gateway, be also possible to other nets that can make two different network types
The equipment that network realizes fusion.When fusion device is after receiving down going channel switching request, determine that the down going channel of the first card goes out
Show failure, also, because including the mark of the first card identified with the second card in down going channel switching request, therefore fusion device
It knows to need to send paging request to second server, enables second server that the paging request is forwarded to block to second, with
The second card is set to receive the paging request.After the second clamping receives the paging request of second server transmission, by this
The communication type carried in paging request is connect it is found that needing to establish unilateral downlink communication with second server, therefore needs to send
The attach request of unilateral downlink connection identifier is carried to fusion device, so that can establish between the second card and fusion device new
Down going channel.
In step 103, message is completed in response to the connection that fusion device is sent, receives the lower industry that fusion device is sent
Business data.
It should be noted that completing message according to the connection received, it is known that pacify in fusion device and double card bilateral terminal
Unilateral downlink communication connection has had been established in second card of dress.When fusion device receives the transmission of the network server in internet
When downlink service data, which can be transmitted to the second card installed in double card bilateral terminal, guarantee that double card is double
The duration of logical terminal access internet.
At one in the specific implementation, receiving the connection that fusion device is sent completes message, wherein connection completes message and includes
Mark is completed in down going channel switching;Switched according to down going channel and complete mark, cutting is connect with the down going channel of first server;
Using the new down going channel established with second server, the downlink service data that fusion device is sent is received.
It should be noted that pass through down going channel switching complete mark, it is known that fusion device with double card bilateral terminal
Second card of middle installation establishes new down going channel, cuts off the downlink between the double card bilateral terminal and first server at this time
Channel connection receives the downlink service data that fusion device is sent using new down going channel, so that double card bilateral terminal can
Continuous access internet.After the second clamping of double card bilateral terminal receives the downlink service data, the downlink business can be shown
In data to corresponding application software, user is allowed to read the particular content of the downlink service data.Simultaneously as the
The data feedback channel communication of one card is good, and the data feedback channel of the first card of double card bilateral terminal still can be used in user, sends uplink
Business datum is to first server, and then first server relays to fusion device, so that fusion device uploads line number on this
According to the network server to internet.
In the present embodiment, the install in double card bilateral terminal first card is given by sending down going channel switching request
The first server communicated determines that down going channel switching is completed;And in response to installed in double card bilateral terminal second
Paging request that block the second server forwarding communicated, that fusion device is sent, sends attach request to fusion device, makes
Communication connection can be established with fusion device by obtaining the second card.By the forwarding of fusion device, downlink service data is passed through second
The network of card is sent to double card bilateral terminal, ensure that in the down going channel failure of the first card of double card bilateral terminal, automatically
Selection the second card transmission downlink data improves customer experience so that the double card bilateral terminal still is able to access internet
Degree.
Second embodiment of the present invention is related to a kind of data transmission method of double card bilateral terminal.Second embodiment with
First embodiment is roughly the same, is in place of the main distinction: before sending down going channel switching request to first server,
It also needs to be associated first server by the first card and the second card, meanwhile, make second server by the first card and the second card
It is associated.
Fig. 2 is the flow chart of the data transmission method of double card bilateral terminal in present embodiment, and this method can be used for double card
Bilateral terminal.This method may include following steps.
In step 201, first message is sent to first server.
Wherein, first message includes the type of the mark of the first card, the mark of the second card and terminal.
In step 202, the first association confirmation message that first server returns is received.
It should be noted that determining first server by the first card and the second card phase by the first association confirmation message
Association, i.e. first server know that the first card and the second card are installed in the same terminal, and the type of the terminal is double
Card bilateral terminal.
In step 203, first message is sent to second server.
In step 204, the second association confirmation message that second server returns is received.
It should be noted that determining second server by the first card and the second card phase by the second association confirmation message
Association, i.e. second server know that the first card and the second card are installed in the same terminal, and the type of the terminal is double
Card bilateral terminal.
Wherein, first message further include the first card network type and second card network type, and first card network
Type is different from the network type of the second card.
Specifically, two cards: the first card and the second card are installed on two card slots of a double card bilateral mobile terminal, when
After double card bilateral mobile terminal-opening, the first card is attached on 4G network, and the second card is attached to 3G network or second generation communication network
On network (The 2 Generation Mobile Communication Technology, 2G).First blocks to MME transmission first
Message, the first message include the type (i.e. double card bilateral terminal) of the mobile terminal, the IMSI of the first card, the second card
IMSI, it is 3G or 2G that the affiliated network type of the first card, which is network type belonging to the card of 4G and second,.MME receive this
, can be associated with the second card by the first card after one message, determine that this two cards are mounted on the same mobile terminal.Likewise,
Second card can send the first message comprising above content to MSC, and MSC, also can be by the first card after receiving the first message
It is associated with the second card, determine that this two cards are all mounted in the same terminal.
It should be noted that the network type of the first card therein and the second card can determines according to actual conditions, not office
It is limited to the example above explanation, the information that other are not illustrated is also within the scope of the present invention, and details are not described herein.
In step 205, however, it is determined that the downlink service data of first server transmission is not received by preset duration,
Down going channel switching request is then sent to first server.
In step 206, it in response to second server forwarding, fusion device transmission paging request, sends attachment and asks
It asks to fusion device.
In step 207, message is completed in response to the connection that fusion device is sent, receives the lower industry that fusion device is sent
Business data.
It should be noted that step 205~207 in the present embodiment and step 101~103 in first embodiment
Content is identical, and details are not described herein.
In the present embodiment, by first server that the first card is associated with the second card, and pass through second server
First card is associated with the second card, so that first server and second server both know about the first card and the second card is mounted on together
It, can be by being all connected with first server and second server when the down going channel of the first card breaks down in one terminal
Fusion device by first card down going channel automatically switch on the second card, guarantee double card bilateral terminal can duration access
Internet improves customer experience degree.
Third embodiment of the present invention is related to a kind of data transmission method of double card bilateral terminal.The main distinction is in
In: this method is applied to fusion device.
Fig. 3 is the flow chart of the data transmission method of double card bilateral terminal in present embodiment, and this method can be used for merging
Equipment.This method may include following steps.
In step 301, it is asked in response to first server forwarding, the transmission of double card bilateral terminal down going channel switching
It asks, sends paging request to second server.
Wherein, down going channel switching request include the first card mark and second card mark, first server be with it is double
The first server that is communicated of card installed in card bilateral terminal, second server be with installed in double card bilateral terminal the
The server that two cards are communicated.
It should be noted that fusion device passes through the down going channel switching request received, it is known that the downlink of the first card is logical
There is failure in road, can not receive the downlink service data of internet transmission.It also, include first in down going channel switching request
The mark of the mark of card and the second card, first server is associated by the first card and the second card, so that fusion device may be selected
Second blocks place network to replace the down going channel of the first card, therefore sends paging request to second server, so that second service
Device can forward the paging request to all terminals in the network where the second card, seek to establish new down going channel.
In step 302, the attach request sent in response to the second card installed in double card bilateral terminal, gives double card bilateral
Second card the second destination address of distribution installed in terminal, sends connection completion message and gives double card bilateral terminal.
Wherein, the network that message passes through the second card place installed in double card bilateral terminal is completed in attach request and connection
It is transmitted.
It should be noted that when fusion device receives the attach request that the second card installed in double card bilateral terminal is sent
When, it can be to second card the second destination address of distribution installed in double card bilateral terminal, the second destination address therein is to mark
Know the second down going channel.Specifically, the IP address of IP address or local area network inner setting in internet can be used to be used as should
Second destination address, for example, second destination address is 192.168.2.55.
After being assigned with the second destination address, sends connection completion message and give double card bilateral terminal, notice double card bilateral is whole
The foundation of the new down going channel between fusion device has been completed in end, and specifically, connection is completed logical including downlink in message
Mark is completed in road switching, is switched by the down going channel and to be completed mark and can determine to install in fusion device and double card bilateral terminal
New down going channel is established between second card.
At one in the specific implementation, including unilateral downlink connection identifier in paging request;Attach request includes unilateral downlink
Connection identifier.
It should be noted that include unilateral downlink connection identifier in paging request and attach request, it can by the mark
Know installed in fusion device and double card bilateral terminal second card between establish be only down going channel connection, data feedback channel is still
It is that the first card is communicated by first server with fusion device.Specifically, double card bilateral terminal is when accessing internet, on
Row business datum is sent to first server by the first card, and then first server relays to fusion device, so that fusion
Equipment is uploaded to the network server of internet;And downlink service data then needs to receive the downlink business number in fusion device
According to when, directly by installed in newly-established, fusion device and double card bilateral terminal second card between unilateral down going channel,
It is sent to the second card of double card bilateral terminal, ensure that the double card bilateral terminal remains in the down going channel failure of the first card
The downlink service data that internet is received by the second clamping, improves customer experience degree.
In step 303, the downlink service data sent in response to network server, by first in downlink service data
Destination address replaces with the second destination address, sends downlink service data and gives double card bilateral terminal.
It should be noted that the downlink service data that Internet Server is sent, is destined to the first card, therefore should
What the purpose IP address of downlink service data was filled in is the first destination address, i.e., the IP address of the first card, fusion device need by
Purpose IP address in downlink service data replaces with the second destination address, i.e., the IP address of the second card, so that the second card can
The downlink service data is received by new down going channel.
Such as: the IP address of the first card is 192.168.0.22, and the IP address of the second card is 192.168.2.55, then interconnects
The destination address for the downlink service data that network server is sent is exactly 192.168.0.22, if wishing, the second card can be received
The downlink service data, it is necessary to this destination address be changed to the IP address of the second card, i.e. 192.168.2.55, then again
The downlink service data for changing purpose IP address is sent to the second card by new down going channel, so that double card bilateral
Terminal receives the downlink service data of internet by the second clamping.
In the present embodiment, by sending paging request to second server, and the attachment of the second card transmission is received
Request is sent downlink service data by new down going channel so that the second card establishes new down going channel with fusion device
Double card bilateral terminal is given, i.e., the first destination address is replaced with into the second destination address, ensure that double card bilateral terminal in the first card
Down going channel failure when, remain to receive the downlink service data that internet is sent, ensure that access internet continues
Property, improve customer experience degree.
The step of various methods divide above, be intended merely to describe it is clear, when realization can be merged into a step or
Certain steps are split, multiple steps are decomposed into, as long as including identical logical relation, all in the protection scope of this patent
It is interior;To adding inessential modification in algorithm or in process or introducing inessential design, but its algorithm is not changed
Core design with process is all in the protection scope of the patent.
4th embodiment of the invention is related to a kind of double card bilateral terminal, and it is real that the specific implementation of the device can be found in first
The associated description of mode is applied, overlaps will not be repeated.It is worth noting that the specific implementation of the device in present embodiment
It can be found in the associated description of second embodiment, but be not limited to both examples above, other unaccounted embodiments also exist
Within the protection scope of the present apparatus.
As shown in figure 4, the double card bilateral terminal specifically includes that the first sending module 401, for not having in preset duration
After the downlink service data for receiving first server transmission, down going channel switching request is sent to first server, first
Server is the server communicated with the first card installed in double card bilateral terminal, and down going channel switching request includes first
The mark of the mark of card and the second card;Second sending module 402 is sent out for forward in response to second server, fusion device
The paging request sent, sends attach request to fusion device, and second server is and the second card for installing in double card bilateral terminal
The server communicated, first server, second server are communicated to connect with fusion device;Receiving module 403, for ringing
Message is completed in the connection that should be sent in fusion device, receives the downlink service data that fusion device is sent.
In one example, receiving module 403 is specifically used for: receiving the connection that fusion device is sent and completes message, wherein
It includes that mark is completed in down going channel switching that message is completed in connection;Switched according to down going channel and completes mark, cutting and first service
The down going channel of device connects;Using the new down going channel established with second server, the lower industry that fusion device is sent is received
Business data.
In the present embodiment, down going channel switching request is sent to first server by the first sending module, connect
Receive second server forwarding, fusion device send paging request when, by the second sending module send attach request to
Fusion device so that double card bilateral terminal and fusion device are established and communicated to connect, and then sends down Internet Server
Row business datum can be received by the network where the second card by double card bilateral terminal, ensure that the double card bilateral terminal is visited
The continuity for asking internet, improves user experience.
It is noted that each module involved in present embodiment is logic module, and in practical applications, one
A logic unit can be a physical unit, be also possible to a part of a physical unit, can also be with multiple physics lists
The combination of member is realized.In addition, in order to protrude innovative part of the invention, it will not be with solution institute of the present invention in present embodiment
The technical issues of proposition, the less close unit of relationship introduced, but this does not indicate that there is no other single in present embodiment
Member.
4th embodiment of the invention is related to a kind of data transmission system of double card bilateral terminal, as shown in figure 5, this is
System specifically includes: double card bilateral terminal 501, first server 502, second server 503 and fusion device 504;Wherein, double card
Bilateral terminal 501 is communicated to connect with first server 502 and second server 503 respectively, and fusion device 504 takes with first respectively
Business device 502 and second server 503 communicate to connect;
The data that double card bilateral terminal 501 is used to execute the double card bilateral terminal 501 in first or second embodiment pass
Transmission method;First server 502 is used for the first message sent in response to double card bilateral terminal 501, by the first card and the second card
It is associated;The first association confirmation message is sent to double card bilateral terminal 501;The double card bilateral terminal 501 received is sent
Down going channel switching request is sent to fusion device 504, wherein first message includes: the mark of the mark of the first card, the second card
With the type of terminal, down going channel switching request includes the mark of the first card and the mark of the second card;Second server 503 is used for
It is in response to the first message that double card bilateral terminal 501 is sent, the first card and the second card is associated;The second association confirmation is sent to disappear
It ceases to double card bilateral terminal 501;The paging request that the fusion device 504 received is sent is transmitted to double card bilateral terminal;Melt
Close the data transmission method that equipment 504 is used to execute the double card bilateral terminal 501 in third embodiment.
At one in the specific implementation, being mounted with the double card bilateral terminal of the first card (4G card) and the second card (3G card) simultaneously
501, when accessing internet by the network where the first card, there is down going channel failure.Use the double card bilateral terminal
501, first server 502 (MME), second server 503 (MSC) and fusion device 504 (PDN GW or GGSN) constitute double
The downlink data transmission system of card bilateral terminal.The downlink data transmission process of the system as shown in fig. 6,
In step 601,4G card sends first message to MME.
It should be noted that first message includes: the type of the mark of 4G card, the mark of 3G/2G card and terminal.
In step 602, MME returns to the first association confirmation message and gives 4G card.
In step 603,3G/2G card sends first message to MSC.
In step 604, MSC returns to the first association confirmation message and gives 3G/2G card.
In step 605,4G card sends down going channel switching request and forwards the down going channel switching request again to MME, MME
Give PDN GW or GGSN.
In step 606, PDN GW or GGSN transmission paging request forwards the paging request to give 3G/2G card to MSC, MSC.
It should be noted that PDN GW or GGSN after receiving down going channel switching request, determines that the downlink of 4G card is logical
There is failure in road, also, because including the mark of 4G card identified with 3G/2G card in down going channel switching request, therefore PDN
It needs to send paging request to MSC known to GW or GGSN, enables MSC that the paging request is forwarded to give 3G/2G card, so that 3G/
2G card can receive the paging request.
In step 607,3G/2G card sends attach request and gives PDN GW or GGSN, wherein list is carried in attach request
Side downlink connection identifier.
It should be noted that after 3G/2G is stuck in the paging request for receiving MSC transmission, by being carried in the paging request
Data traffic types be the connection of unilateral downlink, it is known that need to send carry the attach request of unilateral downlink connection identifier to
PDN GW or GGSN, so that new down going channel can be established between 3G/2G card and PDN GW or GGSN.
In step 608, PDN GW or GGSN sends connection completion message and gives 3G/2G card, wherein message is completed in connection
In include down going channel switch successfully mark.
In step 609, the downlink service data that PDN GW or GGSN sends receive, Internet Server, hair
Give 3G/2G card.
It should be noted that the downlink service data that Internet Server is sent, is destined to 4G card, therefore under this
The purpose IP address of row business datum is the IP address of 4G card, and PDN GW or GGSN are needed the destination IP in downlink service data
Address replaces with the IP address of 3G/2G card, so that 3G/2G card can receive the downlink service data.Such as: the IP of 4G card
Location is 192.168.0.22, and the IP address of 3G/2G card is 192.168.2.55, the then lower industry that Internet Server is sent
The destination address for data of being engaged in is exactly 192.168.0.22, if wishing, 3G/2G card can receive the downlink service data, it is necessary to
This destination address is changed to the IP address of 3G/2G card, i.e. 192.168.2.55, then will change purpose IP address again
Downlink service data is sent to 3G/2G card, so that double card bilateral terminal remains to the lower industry for receiving internet by the second clamping
Business data.
After double card bilateral terminal receives the downlink service data, the business datum can be shown to corresponding application software
On, so that the available particular content to the business datum of user.Simultaneously as the data feedback channel communication of 4G card is good, use
The data feedback channel of 4G card still can be used in family, upstream data can be transmitted to MME, then MME forwards the upstream data to PDN again
GW or GGSN, so that PDN GW or GGSN upload the network server of the upstream data to internet.
In the present embodiment, in pairs by double card bilateral terminal, first server, second server and fusion device group
The downlink data transmission system of card bilateral terminal, so that going out in the communication network where the first card that double card bilateral terminal is installed
When existing downlink business channel failure, the communication network transmission downlink service data where the second card can be automatically selected, ensure that
The continuity of double card bilateral terminal access internet, improves customer experience degree.
It is understood that the principle that embodiment of above is intended to be merely illustrative of the present and the exemplary implementation that uses
Mode, however the present invention is not limited thereto.For those skilled in the art, essence of the invention is not being departed from
In the case where mind and essence, various changes and modifications can be made therein, these variations and modifications are also considered as protection scope of the present invention.
Claims (10)
1. a kind of data transmission method of double card bilateral terminal, which is characterized in that be applied to double card bilateral terminal, the method packet
It includes:
If it is determined that being not received by the downlink service data of first server transmission in preset duration, then sends down going channel and cut
Request is changed to the first server, the first server is to be led to the first card installed in the double card bilateral terminal
The server of letter, the down going channel switching request include the mark of first card and the mark of the second card;
In response to second server forwarding, paging request that fusion device is sent, attach request is sent to the fusion device,
The second server is the server communicated with the second card installed in the double card bilateral terminal, the first service
Device, the second server are communicated to connect with the fusion device;
Message is completed in response to the connection that the fusion device is sent, receives the downlink business number that the fusion device is sent
According to.
2. the data transmission method of double card bilateral terminal according to claim 1, which is characterized in that described in response to described
Message is completed in the connection that fusion device is sent, and receives the downlink service data step that the fusion device is sent, comprising:
It receives the connection that the fusion device is sent and completes message, wherein it includes down going channel switching that message is completed in the connection
Complete mark;
Switched according to the down going channel and complete mark, cutting is connect with the down going channel of the first server;
Using the new down going channel established with the second server, the downlink business that the fusion device is sent is received
Data.
3. the data transmission method of double card bilateral terminal according to claim 1, which is characterized in that in the transmission downlink
Channel switching request is given before the first server step, further includes:
First message is sent to the first server, wherein the first message includes: the mark, described of first card
The mark of second card and the type of terminal;
Receive the first association confirmation message that the first server returns;
The first message is sent to the second server;
Receive the second association confirmation message that the second server returns.
4. the data transmission method of double card bilateral terminal according to claim 3, which is characterized in that the first message is also
Include:
The network type of the network type of first card and second card, and the network type and described the of first card
The network type of two cards is different.
5. the data transmission method of double card bilateral terminal according to any one of claim 1 to 4, which is characterized in that institute
It states in paging request and includes:
Unilateral downlink connection identifier;
The attach request includes: unilateral downlink connection identifier.
6. a kind of data transmission method of double card bilateral terminal, which is characterized in that be applied to fusion device, which comprises
In response to first server forwarding, double card bilateral terminal send down going channel switching request, send paging request to
Second server, wherein the down going channel switching request includes the mark of the first card and the mark of the second card, first clothes
Business device is the server communicated with the first card installed in double card bilateral terminal, and the second server is and the double card
The server that the second card installed in bilateral terminal is communicated;
In response to the attach request that the double card bilateral terminal is sent, the second destination address of the double card bilateral terminal distribution is given,
It sends connection and completes message to the double card bilateral terminal, wherein the attach request and the connection are completed message and passed through
Network where the second card installed in the double card bilateral terminal is transmitted;
In response to the downlink service data that network server is sent, the first destination address in the downlink service data is replaced
For second destination address, the downlink service data is sent to the double card bilateral terminal.
7. the data transmission method of double card bilateral terminal according to claim 6, which is characterized in that the connection completion disappears
Breath includes:
Mark is completed in down going channel switching.
8. the data transmission method of double card bilateral terminal according to claim 6 or 7, which is characterized in that the attachment is asked
It asks and includes:
Unilateral downlink connection identifier.
9. a kind of double card bilateral mobile terminal characterized by comprising
First sending module, after being not received by the downlink service data of first server transmission in preset duration,
Down going channel switching request is sent to the first server, the first server is and installs in the double card bilateral terminal
The first server for being communicated of card, the down going channel switching request includes the mark of first card and the mark of the second card
Know;
Second sending module sends attachment and asks for the paging request that forward in response to second server, fusion device is sent
It asks to the fusion device, the second server is the clothes communicated with the second card installed in the double card bilateral terminal
Business device, the first server, the second server are communicated to connect with the fusion device;
Message is completed in receiving module, the connection for sending in response to the fusion device, receives what the fusion device was sent
The downlink service data.
10. a kind of data transmission system of double card bilateral terminal characterized by comprising double card bilateral terminal, first service
Device, second server and fusion device;
The double card bilateral terminal is communicated to connect with the first server and the second server respectively, the fusion device
It is communicated to connect respectively with the first server and the second server;
The data that the double card bilateral terminal is used to execute the double card bilateral terminal as described in any one of claims 1 to 5 pass
Transmission method;
The first server is used for the first message sent in response to the double card bilateral terminal, by the first card and the second card phase
Association;The first association confirmation message is sent to the double card bilateral terminal;The double card bilateral terminal received is sent
Down going channel switching request is sent to the fusion device, wherein the first message includes: the mark of first card, institute
The mark of the second card and the type of terminal are stated, the down going channel switching request includes the mark and described second of first card
The mark of card;
The second server is used for the first message that sends in response to the double card bilateral terminal, will described first block with
Second card is associated;The second association confirmation message is sent to the double card bilateral terminal;The fusion received is set
The paging request that preparation is sent is transmitted to the double card bilateral terminal;
The fusion device is used to execute the transmission side data of the double card bilateral terminal as described in any one of claim 6 to 8
Method.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910668516.6A CN110381551B (en) | 2019-07-23 | 2019-07-23 | Data transmission method, terminal and system for dual-card bi-pass terminal |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910668516.6A CN110381551B (en) | 2019-07-23 | 2019-07-23 | Data transmission method, terminal and system for dual-card bi-pass terminal |
Publications (2)
Publication Number | Publication Date |
---|---|
CN110381551A true CN110381551A (en) | 2019-10-25 |
CN110381551B CN110381551B (en) | 2021-10-01 |
Family
ID=68255348
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201910668516.6A Active CN110381551B (en) | 2019-07-23 | 2019-07-23 | Data transmission method, terminal and system for dual-card bi-pass terminal |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN110381551B (en) |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102413532A (en) * | 2011-12-13 | 2012-04-11 | 华为终端有限公司 | LTE (long term evolution) single-card dual-standby multimode terminal and PS (packet switching) service switching method thereof |
CN102545976A (en) * | 2010-12-29 | 2012-07-04 | 深圳国人通信有限公司 | MODEM-based double-channel vehicle-mounted deviation rectification repeater for GSM (Global System for Mobile Communications) |
CN104902528A (en) * | 2015-04-28 | 2015-09-09 | 宇龙计算机通信科技(深圳)有限公司 | Dual-card terminal, method and device for automatically switching data services of dual-card terminal |
CN105577638A (en) * | 2014-10-31 | 2016-05-11 | 英特尔公司 | Apparatus, system and method of differentiating between an IMS connection and a non-IMS connection |
US20160330653A1 (en) * | 2015-05-06 | 2016-11-10 | Qualcomm Incorporated | Reduced call interruption during tune away in multi-subscriber identity module/multi-standby device |
CN108990122A (en) * | 2018-08-30 | 2018-12-11 | 中国联合网络通信集团有限公司 | A kind of call handover method and system |
CN109309943A (en) * | 2017-07-28 | 2019-02-05 | 展讯通信(上海)有限公司 | Multi-card multi-standby terminal and its data card method for handover control, device, storage medium |
US20190110236A1 (en) * | 2017-10-11 | 2019-04-11 | Mediatek Inc. | Dual sim dual standby user equipment rat selection |
-
2019
- 2019-07-23 CN CN201910668516.6A patent/CN110381551B/en active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102545976A (en) * | 2010-12-29 | 2012-07-04 | 深圳国人通信有限公司 | MODEM-based double-channel vehicle-mounted deviation rectification repeater for GSM (Global System for Mobile Communications) |
CN102413532A (en) * | 2011-12-13 | 2012-04-11 | 华为终端有限公司 | LTE (long term evolution) single-card dual-standby multimode terminal and PS (packet switching) service switching method thereof |
CN105577638A (en) * | 2014-10-31 | 2016-05-11 | 英特尔公司 | Apparatus, system and method of differentiating between an IMS connection and a non-IMS connection |
CN104902528A (en) * | 2015-04-28 | 2015-09-09 | 宇龙计算机通信科技(深圳)有限公司 | Dual-card terminal, method and device for automatically switching data services of dual-card terminal |
US20160330653A1 (en) * | 2015-05-06 | 2016-11-10 | Qualcomm Incorporated | Reduced call interruption during tune away in multi-subscriber identity module/multi-standby device |
CN109309943A (en) * | 2017-07-28 | 2019-02-05 | 展讯通信(上海)有限公司 | Multi-card multi-standby terminal and its data card method for handover control, device, storage medium |
US20190110236A1 (en) * | 2017-10-11 | 2019-04-11 | Mediatek Inc. | Dual sim dual standby user equipment rat selection |
CN108990122A (en) * | 2018-08-30 | 2018-12-11 | 中国联合网络通信集团有限公司 | A kind of call handover method and system |
Non-Patent Citations (2)
Title |
---|
HOSSEIN-ALI: "Spectrum Sharing of Radar and Wi-Fi Networks:The Sensing/Throughput Tradeof", 《IEEE》 * |
张俊: "WCDMA双卡双待智能终端的研究", 《信息通信技术》 * |
Also Published As
Publication number | Publication date |
---|---|
CN110381551B (en) | 2021-10-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
AU2004214311B2 (en) | Routing procedure for a commnication system | |
US9271165B2 (en) | Method for establishing connection by HNB | |
US6760344B2 (en) | Method and apparatus for providing differentiated quality of service in a GPRS network | |
EP1464192B1 (en) | Network initialized packet data protocol context activation for multicast/broadcast services | |
JP4414632B2 (en) | Billing system in user configurable wireless network and billing method for service creation and / or negotiation in wireless network | |
CA2383366C (en) | Domain selecting system and method | |
US8750220B2 (en) | Method, roaming processing device and communication system for implementing international roaming | |
US8165053B2 (en) | Method for supporting MBMS service transmission in LTE system | |
US9924563B2 (en) | Method, system and media gateway for realizing mobile switch center pool | |
CN109936877B (en) | Selecting an address of a device | |
US20070171856A1 (en) | Apparatus and method for enriching data records in a telecommunications network | |
US20090303971A1 (en) | Method and Apparatus For Transmitting/Receiving Control Message Related to Packet Call Service in an IP Multimedia Subsystem | |
CN112291832A (en) | Method and device for selecting network slices | |
CN101127652B (en) | A method, device and system for identifying access anchor of user terminal to external network | |
JP2002542683A (en) | Gateway location register in UMTS system | |
EP1290907B1 (en) | Network-requested activation of packet data protocol context | |
EP2135395B1 (en) | Communication of information between devices in communication networks | |
US20150237495A1 (en) | Method and system for differentiating between subscribers | |
JP2004528783A (en) | Method, network device, and terminal device for controlling context activation | |
KR20170034314A (en) | Access Independent Converged Network System and Method thereof | |
CN110167014A (en) | The solution and system of double card bilateral mobile terminal down going channel failure | |
US7634293B2 (en) | Mobile communication system, extension transmission/reception device, base station, radio network controller and mobile station | |
CN110381551A (en) | A kind of data transmission method, terminal and the system of double card bilateral terminal | |
US8385361B2 (en) | Multicast transmission to a radio access network | |
CN109587709B (en) | Local data network discovery and configuration method, terminal, core network equipment and base station |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |