CN104539346B - A kind of data transmission method and device - Google Patents
A kind of data transmission method and device Download PDFInfo
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- CN104539346B CN104539346B CN201410850719.4A CN201410850719A CN104539346B CN 104539346 B CN104539346 B CN 104539346B CN 201410850719 A CN201410850719 A CN 201410850719A CN 104539346 B CN104539346 B CN 104539346B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/185—Space-based or airborne stations; Stations for satellite systems
- H04B7/1851—Systems using a satellite or space-based relay
- H04B7/18517—Transmission equipment in earth stations
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Abstract
The invention discloses a kind of data transmission method and devices, method is, after proxy gateway determines that completing the voice link of calling mobile terminal and called mobile terminal respectively between MSC establishes, voice link identification information of the voice data in gateway proxy side of the first base stations Femto transmission is searched in identification information mapping table, when judging that the first base stations Femto are acted on behalf of with the 2nd equal access gateway in the base stations Femto, by the voice data transmission of the first base stations Femto transmission to the 2nd base stations Femto.Using technical solution of the present invention, increase gateway proxy in a wireless communication system, when same gateway proxy is accessed in the first base stations Femto and the 2nd base stations Femto, using the gateway proxy between the first base stations Femto and the 2nd base stations Femto transmitting audio data, and return data process need not can be realized by satellite equipment, to save satellite communication bandwidth, system performance is effectively increased.
Description
Technical field
The present invention relates to field of communication technology more particularly to a kind of data transmission methods and device.
Background technology
With the fast development of mobile communication technology, the network structure of wireless communication system is also from GSM (Global
System Of Mobile Communication, global system for mobile communications) complicated Open network architecture is to whole network
Between IP (Internet Protoal, interconnection agreement) change the gradual evolution of the flattening network architecture.
As shown in fig.1, for wireless communication system architecture schematic diagram in the embodiment of the present invention, in the wireless communication system
In, include the base station A of mobile device A and mobile device A accesses, the base station B of mobile device B and mobile device B accesses, gateway,
And MSC (Mobile Service Switch Center；Mobile switching centre).When mobile device A is set as caller movement
Standby, when mobile device B is as mobile device is called, base station A and base station B will realize that mobile device A is called by gateway and MSC
The process of mobile device B.
Currently, satellite communication forwards radio wave to carry out two using artificial earth satellite as a kind of as relay station
Or the equipment communicated between multiple earth stations, having and is not limited by many factors such as time, place, environment, service time is short,
Long transmission distance, message capacity be larger, network deployment is fast, networking mode flexibly, be easy to implement multiple access, communications cost with it is logical
The real time bidirectional transmission of image, voice may be implemented in many advantages, such as communication distance is unrelated.Therefore, when natural calamity occurs, ground
Face Base communication facility is destroyed, in order to ensure the communication between mobile mobile device, generally use satellite communication with wirelessly connect
Enter the mode that network is combined to carry out wireless communication.
But the bandwidth that satellite communication can carry is limited, therefore, in extreme circumstances, using data when satellite communication
Passback process will occupy larger satellite bandwidth, influences the transmission of other data, thus greatly reduces system performance.
Invention content
A kind of data transmission method of offer of the embodiment of the present invention and device, to solve to use satellite communication in the prior art
When there are return data process occupied bandwidth is big, the low problem of system performance.
Specific technical solution provided in an embodiment of the present invention is as follows：
A kind of data transmission method is applied in wireless communication system, and the wireless communication system includes the first Femto bases
It stands, the 2nd base stations Femto, gateway proxy, the method includes：
The gateway proxy receives the voice data that the first base stations Femto are sent；
The gateway proxy obtains the corresponding gateway proxy side language in the first base stations Femto according to the voice data
Sound link identification information, and according to the gateway proxy side voice link identification information, from the identification information mapping locally preserved
The corresponding voice link destination end identification information of the voice data is obtained in table；
When the identification letter that the gateway proxy is according to the gateway proxy side voice link identification information, and inquiry locally preserves
Mapping table is ceased, whether judges the first base stations Femto the 2nd base stations Femto corresponding with voice link destination end identification information
Access the gateway proxy；
If it is determined that the gateway proxy is accessed in the first base stations Femto and the 2nd base stations Femto, then the net
Agency is closed according to the voice link destination end identification information, by the voice data transmission to the 2nd base stations Femto.
A kind of data transmission device is applied in wireless communication system, and the wireless communication system includes the first Femto bases
It stands, the 2nd base stations Femto, described device includes：
Receiving unit, the voice data sent for receiving the first base stations Femto；
Acquiring unit, for obtaining the corresponding gateway proxy side voice link identification information in the first base stations Femto, and
According to the gateway proxy side voice link identification information, the voice number is obtained from the identification information mapping table locally preserved
According to corresponding voice link destination end identification information；
Judging unit, for when the identification locally preserved according to the gateway proxy side voice link identification information, inquiry
Information MAP table judges that the first base stations Femto the 2nd base stations Femto corresponding with voice link destination end identification information are
It is no to access the gateway proxy；
Data transmission unit, for if it is determined that this is accessed in the first base stations Femto with the 2nd base stations Femto
Ground, then according to the voice link destination end identification information, by the voice data transmission to the 2nd base stations Femto.
In the embodiment of the present invention, when gateway proxy receives the voice data of the first base stations Femto transmission, according to local
The identification information mapping table of carrying, when above-mentioned gateway proxy is accessed in the first base stations Femto of judgement with the 2nd base stations Femto, net
Agency is closed by voice data transmission to the 2nd base stations Femto.Using technical solution of the present invention, increase net in a wireless communication system
Agency is closed, when the first base stations Femto and the 2nd equal access gateway in the base stations Femto are acted on behalf of, using the gateway proxy by first
Return data mistake can be realized without by satellite equipment to the 2nd base stations Femto in the voice data transmission that the base stations Femto are sent
Journey effectively increases system performance to save satellite communication bandwidth.
Description of the drawings
Fig. 1 is wireless communication system architecture schematic diagram in the prior art；
Fig. 2 is wireless communication system architecture schematic diagram in the embodiment of the present invention；
Fig. 3 is data transmission flow schematic diagram in the embodiment of the present invention；
Fig. 4 is data transmission flow schematic diagram under concrete application scene in the embodiment of the present invention；
Fig. 5 is wireless communication system voice data transmission schematic diagram in the embodiment of the present invention；
Fig. 6 is data transmission device structural schematic diagram in the embodiment of the present invention.
Specific implementation mode
There are return data process occupied bandwidth is big when in order to solve to use satellite communication in the prior art, system performance is low
The problem of.In the embodiment of the present invention, when gateway proxy receives the voice data of the first base stations Femto transmission, according to local
The identification information mapping table of carrying, when above-mentioned gateway proxy is accessed in the first base stations Femto of judgement with the 2nd base stations Femto, net
Agency is closed by voice data transmission to the 2nd base stations Femto.Using technical solution of the present invention, increase net in a wireless communication system
Agency is closed, when the first base stations Femto and the 2nd equal access gateway in the base stations Femto are acted on behalf of, using the gateway proxy by first
Return data mistake can be realized without by satellite equipment to the 2nd base stations Femto in the voice data transmission that the base stations Femto are sent
Journey effectively increases system performance to save satellite communication bandwidth.
As shown in fig.2, in the embodiment of the present invention, wireless communication system architecture schematic diagram, the wireless communication system packet
Include first movement equipment, the first base stations Femto of first movement equipment access, the second mobile device, the access of the second mobile device
The 2nd base stations Femto, gateway proxy, gateway and MSC.Wherein, above-mentioned first movement equipment can be that caller movement is set
It is standby, and the second mobile device is called mobile device, alternatively, first movement equipment is called mobile device, and the second movement is set
Standby is caller mobile device；First base stations Femto and the 2nd base stations Femto one are caller base station, and one is called base station, tool
Body determines that when that is, caller mobile device accesses any one base stations Femto, which is according to the mobile device of access
The base stations caller Femto, when being called the mobile device any one base stations Femto of access, which is the called base stations Femto；
Wireless communication system can be applied to 2G (2nd Generation；The second generation) network, 3G (3rd Generation；The third generation)
Network is now introduced so that above-mentioned wireless communication system is WCDMA system as an example；Above-mentioned gateway can correspond at least one gateway
Agency, each gateway proxy can manage at least one base stations Femto, now correspond to a gateway proxy, the gateway with gateway
Two base stations Femto of proxy management, first movement equipment are caller mobile device, and the second mobile device is that called mobile device is
Data transmission procedure is discussed in detail in example.
The preferred embodiment of the present invention is described in detail below in conjunction with the accompanying drawings.
As shown in fig.3, in the embodiment of the present invention, data transmission procedure is：
Step 300：Gateway proxy receives the voice data that the first base stations Femto are sent.
In the embodiment of the present invention, caller mobile device and called mobile device are registered successively, establish caller respectively
The signaling link between signaling link and called mobile device and MSC between mobile device and MSC establishes caller shifting respectively
After the second voice link between dynamic the first voice link and called mobile device and MSC between equipment and MSC, realize
Caller mobile device carries out voice data transmission with called mobile device.
Step 310：Gateway proxy obtains the corresponding gateway proxy side language in the first base stations Femto according to above-mentioned voice data
Sound link identification information, and according to the gateway proxy side voice link identification information, from the identification information mapping table locally preserved
It is middle to obtain the corresponding voice link destination end identification information of above-mentioned voice data.
In the embodiment of the present invention, the process of the voice link between caller mobile device and MSC is established, specially：First
The base stations Femto send Setup message to MSC, which sets by the first base stations Femto, gateway proxy, satellite successively
Standby, gateway is sent to MSC, and notice MSC establishes caller mobile device to the voice link between MSC, and MSC receives the Setup and disappears
After breath, judge whether the calling initiated by the first base stations Femto can continue, is sent out to caller mobile device if it can continue
Call Proceeding message is sent to notify above-mentioned calling continuing with.MSC is established according to above-mentioned Setup message, triggering
The process of the first voice link between MSC and the first base stations Femto, i.e. MSC generate the first assignment request message, pass through successively
First assignment request message is sent to the first base stations Femto, wherein gateway proxy exists by gateway, satellite equipment, gateway proxy
Voice link identification information is set in above-mentioned first assignment request message, includes the first Femto in the voice link identification information
The IP address and IP port numbers of the corresponding gateway proxy in base station；First base stations Femto are based on above-mentioned first assignment request message,
Caller mobile device is established to the first voice link between the first base stations Femto, and generates the first appointment and completes message sending
To MSC, the IP address and IP port numbers of the first base stations Femto, while gateway generation are carried in message is completed in above-mentioned first appointment
Reason generates the corresponding identification information mapping relations of the first voice link, and above-mentioned identification information mapping relations are added to identification letter
Cease mapping table.Wherein, the corresponding identification information mapping relations of first voice link include the corresponding gateway in the first base stations Femto
Mapping between agent side voice link identification information base station side voice link identification information corresponding with the first base stations Femto is closed
System is added in local preset primary identification information mapping table.
Optionally, the process of called voice link between mobile device and MSC is established, specially：When MSC receives
After the Paging Response message that two base stations Femto are sent, that is, the second assignment request message is generated, triggers the second voice chain
Process is established on road；Second assignment request message passes through gateway, satellite equipment, gateway proxy successively, is sent to called movement
2nd base stations Femto of equipment access, wherein voice link identification is arranged in gateway proxy in above-mentioned second assignment request message
Information includes the IP address and IP port numbers of the corresponding gateway proxy in the 2nd base stations Femto in the voice link identification information；
2nd base stations Femto are based on above-mentioned second assignment request message, establish and are called mobile device to the between the 2nd base stations Femto
Two voice links, and generate the second appointment and complete message sending to MSC, it is assigned above-mentioned second and completes to carry second in message
The IP address and IP port numbers of the base stations Femto, while gateway proxy generates the corresponding identification information mapping of the second voice link and closes
System, and above-mentioned identification information mapping relations are added to primary identification information mapping table.
Shown in table 1, the main contents for including in signaling are identified for voice link in the embodiment of the present invention：
1 voice link of table identifies signaling main contents
Specifically, gateway proxy identifies signaling, the first voice link and the life of the second voice link according to above-mentioned voice link
At the process of identification information mapping table, including：Gateway proxy obtains in the voice link identification signaling that the 2nd base stations Femto are sent
The corresponding gateway proxy side voice link identification information of voice link and the 2nd Femto of the 2nd base stations the Femto access carried
Base station side voice link identification information；Gateway proxy obtains the first Femto according to first voice link and the second voice link
The corresponding gateway proxy side voice link identification information of voice link of base station and the first Femto base station side voice links identification letter
Breath；Wherein, voice link identification information includes IP address and port numbers；The language that gateway proxy is accessed according to the 2nd base stations Femto
The corresponding gateway proxy side voice link identification information of sound link searches the primary identification information mapping table locally preserved, if gateway
Agency finds the corresponding gateway proxy side language of voice link of the 2nd base stations Femto access in primary identification information mapping table
Sound link identification information, then by the corresponding same gateway proxy mark of access in the 2nd base stations Femto in primary identification information mapping table
Will position is set as TRUE, and the corresponding Femto bases in the 2nd base stations Femto are arranged in primary identification information mapping item
Voice link destination end identification information of standing is the first Femto base station side voice link identification informations；And gateway proxy is by
The corresponding same gateway proxy state flag bit of access in one base stations Femto is set as TRUE, and the first base stations pair Femto of setting
The Femto base-station voice link targets end identification information answered is the 2nd Femto base station side voice link identification informations；If gateway generation
Reason does not find the voice link identification information of the 2nd base stations Femto access in identification information list, then is not reflected to identification information
Firing table is modified；Using it is above-mentioned with the primary identification information mapping table postponed as identification information mapping table.
Optionally, above-mentioned primary identification information mapping table can be expressed as：
Gateway proxy voice link identification information：The language of the corresponding gateway proxy side of voice link of the base stations Femto access
Sound link identification information；
Femto base-station voice link source identification informations：The corresponding base station side voice chain of voice link of the base stations Femto access
Road identification information；
Femto base-station voice link target identification informations：This is set as being arranged to for default value, including IP address
0.0.0.0, port numbers are arranged to 0；
Access same gateway proxy state flag bit：It is set as FALSE.
The above-mentioned base stations Femto can be the first base stations Femto or the 2nd base stations Femto.
It is identification information mapping table in the embodiment of the present invention shown in table 2.
2 identification information mapping table of table
Step 320：When the identification letter that gateway proxy is according to gateway proxy side voice link identification information, and inquiry locally preserves
Mapping table is ceased, judges whether the first base stations Femto the 2nd base stations Femto corresponding with voice link destination end identification information connect
Function Access Gateway is acted on behalf of.
In the embodiment of the present invention, if the first base stations Femto need the voice data sent to the 2nd base stations Femto, net
After closing the voice data that agency receives the transmission of the first base stations Femto, the voice link that acquisition carries the voice data is corresponding
Gateway proxy side voice link identification information is searched according to the corresponding gateway proxy side voice link identification information of voice link and is known
Whether twoth Femto base station corresponding voice link identification information is preserved in other information MAP table, if so, then showing first
The same gateway proxy is accessed in the base stations Femto with the 2nd base stations Femto；Otherwise, show the first base stations Femto and the 2nd Femto
Base station does not access the same gateway proxy.
Optionally, when caller mobile device and called mobile device access the same gateway proxy, in the gateway proxy
In the identification information mapping table locally preserved, the mapping relations label for corresponding to the first base stations Femto and the 2nd base stations Femto is pre-
If flag bit (such as TRUE).Based on above-mentioned table 2, when gateway proxy detects reflecting for the first base stations Femto and the 2nd base stations Femto
It is TRUE to penetrate relation identifier position, that is, indicates the unified gateway proxy in the first base stations Femto and the access of the 2nd base stations Femto.
Step 330：If it is determined that the equal access gateway in the first base stations Femto and the 2nd base stations Femto is acted on behalf of, then gateway proxy root
According to voice link destination end identification information, by voice data transmission to the 2nd base stations Femto.
In the embodiment of the present invention, if the same gateway proxy, gateway are accessed in the first base stations Femto with the 2nd base stations Femto
Voice data is directly forwarded to the 2nd base stations Femto by agency, without carrying out above-mentioned voice number via satellite, gateway, MSC
According to transmission.
Optionally, if the 2nd base stations Femto need the voice data sent to the first base stations Femto, gateway proxy to connect
After the voice data for receiving the transmission of the 2nd base stations Femto, the corresponding gateway proxy of voice link for carrying the voice data is obtained
Whether side voice link identification information is searched in identification information mapping table according to gateway proxy side voice link identification information and is preserved
There is the corresponding voice link identification information in the first base stations Femto, if so, then showing the first base stations Femto and the 2nd base stations Femto
The same gateway proxy is accessed, voice data is directly forwarded to the first base stations Femto by gateway proxy, without via satellite
Equipment, gateway device, MSC transmitting audio datas to the 2nd base stations Femto.
Further, when gateway proxy judges that the 2nd base stations Femto do not have access gateway agency, i.e. the first base stations Femto
When not accessing the same gateway proxy with the 2nd base stations Femto, by above-mentioned voice data transmission to satellite equipment, satellite equipment is enabled
The voice data is sent to MSC by gateway, notifies the MSC by above-mentioned voice data transmission to the 2nd base stations Femto.
Using above-mentioned technical proposal, only by locally preserving identification information mapping table in gateway proxy, when judgement caller moves
Above-mentioned gateway proxy is accessed in first base stations Femto of dynamic equipment access and the 2nd base stations Femto of called mobile device access
When, i.e., the voice data between the first base stations Femto and the 2nd base stations Femto is directly forwarded by gateway proxy, to reduce
To the occupancy of satellite communication bandwidth during voice data transmission, interface-free resources have been saved.
Based on the above-mentioned technical proposal, it as shown in fig.4, with reference to concrete application scene, is accessed with the first base stations Femto
For gateway proxy A, it is by voice data transmission process in gateway proxy A control wireless communication systems：
Step 400：Caller mobile device sends call request message to called mobile device.
Step 410：After MSC receives above-mentioned call request message, to caller mobile device and called mobile device into
Row registration, the foundation of signaling link and voice link.
Step 420：Gateway proxy receives the voice link that the 2nd base stations Femto are sent and identifies signaling, according to the voice chain
Road identification signaling establishes the corresponding voice link identification information in the first base stations Femto voice chain corresponding with the 2nd base stations Femto
Mapping relations between the identification information of road.
Step 430：Gateway proxy preserves the mapping relations into local identification information mapping table.
Step 440：Gateway proxy receives the voice data that the first base stations Femto are sent, and obtains and is carried in the voice data
Ascending voice link identification information and the 2nd Femto base station identification informations.
Step 450：Gateway proxy judges to whether there is and above-mentioned first Femto in the identification information mapping table locally preserved
Corresponding 2nd base stations pair Femto of the base station corresponding 2nd Femto base station identification informations of corresponding voice link identification information
The voice link identification information answered, if so, executing step 460；Otherwise, step 470 is executed.
Step 460：Above-mentioned voice data is forwarded to the 2nd base stations Femto by gateway proxy.
Step 470：Above-mentioned voice data is sent to MSC by gateway proxy by satellite equipment, by MSC by above-mentioned voice number
According to being sent to the 2nd base stations Femto.
As shown in fig.5, for wireless communication system voice data transmission schematic diagram in the embodiment of the present invention.Wherein, Femto
Base station A is the base station of caller mobile device access, and the base stations Femto B is the base station of called mobile device access.
In the embodiment of the present invention, the wireless communication system scheme of the invention provided can also be applied to 4G (4th
Generation；Forth generation) network and 5G (5th Generation；5th generation) network.When above-mentioned wireless communication system application
When in 4G networks and 5G networks, if caller base station is acted on behalf of with the equal access gateway in called base station, it will be led using the gateway proxy
The voice data transmission that base station is sent is made data exchange process to can be realized without by satellite equipment, equally to called base station
It can realize raising system performance, reduce the purpose of upstream bandwidth resource occupation；Due to 4G networks and 5G networks, with 2G networks and
3G network is distinct on element name and NE quantity, therefore, when above-mentioned wireless communication system scheme of the invention is applied to 4G
When in network and 5G networks, the network equipment for including in wireless communication system will increased or reduce, corresponding each net
Also there will be respective changes for Signalling exchange between network equipment, and details are not described herein.
Based on the above-mentioned technical proposal, as shown in fig.6, the embodiment of the present invention also provides a kind of data transmission device, application
In wireless communication system, the wireless communication system includes the first base stations Femto, the 2nd base stations Femto, including receiving unit
60, acquiring unit 61, judging unit 62, data transmission unit 63, wherein：
Receiving unit 60, the voice data sent for receiving the first base stations Femto；
Acquiring unit 61, for obtaining the corresponding gateway proxy side voice link identification information in the first base stations Femto,
And according to the gateway proxy side voice link identification information, the voice is obtained from the identification information mapping table locally preserved
The corresponding voice link destination end identification information of data；
Judging unit 62, for when the knowledge locally preserved according to the gateway proxy side voice link identification information, inquiry
Other information MAP table judges the first base stations Femto the 2nd base stations Femto corresponding with voice link destination end identification information
Whether the gateway proxy is accessed；
Data transmission unit 63, for if it is determined that this is accessed in the first base stations Femto with the 2nd base stations Femto
Ground, then according to the voice link destination end identification information, by the voice data transmission to the 2nd base stations Femto.
The wireless communication system further includes mobile switching centre, first movement equipment and the second mobile device；The dress
It further includes processing unit 64 to set, and is used for：Before receiving the voice data that the first base stations Femto are sent, determine described in access
The first voice link between the first movement equipment and the mobile switching centre of first base stations Femto, which has built up, to be finished；
And the second voice chain between determining the second mobile device and the mobile switching centre for accessing the 2nd base stations Femto
Road, which has built up, to be finished；The voice link identification signaling that the 2nd base stations Femto are sent is received, is known according to the voice link
Other signaling, first voice link and second voice link generate the identification information mapping table.
Above-mentioned apparatus further includes mapping table generation unit 65, is used for：Obtain the voice chain that the 2nd base stations Femto are sent
The corresponding gateway proxy side voice link identification of voice link of the 2nd base stations the Femto access carried in road identification signaling
Information and the 2nd Femto base station side voice link identification informations；According to first voice link and second voice link,
Obtain the corresponding gateway proxy side voice link identification information of voice link and the first Femto bases of the first base stations Femto
It stands side voice link identification information；Wherein, the voice link identification information includes IP address and port numbers；According to described second
The corresponding gateway proxy side voice link identification information of voice link of the base stations Femto access searches the initial identification locally preserved
Information MAP table, if finding the voice link of the 2nd base stations the Femto access in the primary identification information mapping table
Corresponding gateway proxy side voice link identification information, then by the 2nd Femto bases described in the primary identification information mapping table
The same gateway proxy flag bit of corresponding access of standing is set as TRUE, and is arranged in the identification information mapping table described the
The corresponding Femto base-station voices link target end identification information in two base stations Femto is the first Femto base station side voice links
Identification information；And setting the corresponding same gateway proxy state flag bit of access in the first base stations Femto to TRUE, with
And the corresponding Femto base-station voices link target end identification information in setting the first base stations Femto is the 2nd Femto bases
It stands side voice link identification information；If not finding the 2nd base stations the Femto access in the primary identification information mapping table
Voice link identification information, then do not modify to the identification information mapping table；And by the initial knowledge after setting
Other information MAP table is as the identification information mapping table.
The wireless communication system further includes gateway, satellite equipment；The data transmission unit 63, is additionally operable to：When described
When the gateway proxy is not accessed in 2nd base stations Femto, by the voice data transmission to satellite equipment, the satellite is enabled to set
It is standby by the gateway by the voice data transmission to the mobile switching centre, the mobile switching centre is by the voice
Data transmission is to the 2nd base stations Femto.
The receiving unit 60, is additionally operable to：Receive the voice data that the 2nd base stations Femto are sent；
The acquiring unit 61, is additionally operable to：According to the voice data that the 2nd base stations Femto are sent, second is obtained
The corresponding gateway proxy side voice link identification information in the base stations Femto；And according to the 2nd base stations Femto corresponding gateway generation
Side voice link identification information is managed, the corresponding voice chain of the voice data is obtained from the identification information mapping table locally preserved
Road destination end identification information；
The judging unit 62, is additionally operable to：Known according to the corresponding gateway proxy side voice link in the 2nd base stations Femto
Other information and the identification information mapping table, judge whether the first base stations Femto connect with the 2nd base stations Femto
Enter the gateway proxy；
The data transmission unit 63, is additionally operable to：If it is determined that the first base stations Femto and the 2nd base stations Femto
Access is local, then passes the voice data that corresponding 2nd base stations Femto of the voice link destination end identification information are sent
Transport to the first base stations Femto.
In conclusion in the embodiment of the present invention, proxy gateway, which determines, completes calling mobile terminal and called mobile terminal point
After voice link not between MSC is established, sends voice link to the base stations caller Femto and identify signaling；Gateway proxy root
The identification between caller voice link identification information and called voice link identification information is established according to voice link identification signaling
Information MAP table；Gateway proxy searches voice link of the voice data in gateway proxy side in identification information mapping table and identifies letter
Breath, when the first base stations Femto of judgement are acted on behalf of with the 2nd equal access gateway in the base stations Femto, by the voice of the first base stations Femto transmission
Data transmission is to the 2nd base stations Femto.Using technical solution of the present invention, increase gateway proxy in a wireless communication system, when
When same gateway proxy is accessed in one base stations Femto with the 2nd base stations Femto, using the gateway proxy in the first base stations Femto
And the 2nd transmitting audio data between the base stations Femto, and return data process need not can be realized by satellite equipment, to save
Satellite communication bandwidth, effectively increases system performance.
Although preferred embodiments of the present invention have been described, it is created once a person skilled in the art knows basic
Property concept, then additional changes and modifications may be made to these embodiments.So it includes excellent that the following claims are intended to be interpreted as
It selects embodiment and falls into all change and modification of the scope of the invention.
Obviously, those skilled in the art can carry out the embodiment of the present invention various modification and variations without departing from this hair
The spirit and scope of bright embodiment.In this way, if these modifications and variations of the embodiment of the present invention belong to the claims in the present invention
And its within the scope of equivalent technologies, then the present invention is also intended to include these modifications and variations.
Claims (10)
1. a kind of data transmission method, it is applied in wireless communication system, which is characterized in that the wireless communication system includes the
One base stations Femto, the 2nd base stations Femto, gateway proxy, the method includes：
The gateway proxy receives the voice data that the first base stations Femto are sent；
The gateway proxy obtains the corresponding gateway proxy side voice chain in the first base stations Femto according to the voice data
Road identification information, and according to the gateway proxy side voice link identification information, from the identification information mapping table locally preserved
Obtain the corresponding voice link destination end identification information of the voice data；
When the gateway proxy is according to the gateway proxy side voice link identification information, the identification information that inquiry locally preserves is reflected
Firing table, judges whether the first base stations Femto the 2nd base stations Femto corresponding with voice link destination end identification information connect
Enter the gateway proxy；
If it is determined that the gateway proxy is accessed in the first base stations Femto and the 2nd base stations Femto, then gateway generation
Reason is according to the voice link destination end identification information, by the voice data transmission to the 2nd base stations Femto.
2. the method as described in claim 1, which is characterized in that the wireless communication system further includes mobile switching centre, the
One mobile device and the second mobile device；
Before the gateway proxy receives the voice data that the first base stations Femto are sent, further comprise：
Determine the first voice chain between the first movement equipment and the mobile switching centre that access the first base stations Femto
Road, which has built up, to be finished；And
Determine the second voice chain between the second mobile device and the mobile switching centre that access the 2nd base stations Femto
Road, which has built up, to be finished；
The voice link identification signaling that the 2nd base stations Femto are sent is received, signaling is identified according to the voice link, it is described
First voice link and second voice link generate the identification information mapping table.
3. method as claimed in claim 2, which is characterized in that the gateway proxy identifies signaling according to the voice link,
First voice link and second voice link generate the identification information mapping table, specifically include：
The gateway proxy obtains described second carried in the voice link identification signaling that the 2nd base stations Femto are sent
The corresponding gateway proxy side voice link identification information of voice link and the 2nd Femto base station side voices of the base stations Femto access
Link identification information；
The gateway proxy obtains the first base stations Femto according to first voice link and second voice link
The corresponding gateway proxy side voice link identification information of voice link and the first Femto base station side voice link identification informations；
Wherein, the voice link identification information includes IP address and port numbers；
Gateway proxy is according to the corresponding gateway proxy side voice link identification letter of voice link that the 2nd base stations Femto are accessed
Breath searches the primary identification information mapping table locally preserved, if gateway proxy is found in the primary identification information mapping table
The corresponding gateway proxy side voice link identification information of voice link of 2nd base stations the Femto access, then will be described initial
The corresponding same gateway proxy flag bit of access in 2nd base stations Femto described in identification information mapping table is set as TRUE, and
The corresponding Femto base-station voices link target end identification in 2nd base stations Femto is set in the identification information mapping table
Information is the first Femto base station side voice link identification informations；And
The gateway proxy sets the corresponding same gateway proxy state flag bit of access in the first base stations Femto to
TRUE, and the corresponding Femto base-station voices link target end identification information in setting the first base stations Femto are described second
Femto base station side voice link identification informations；
If gateway proxy does not find the voice link of the 2nd base stations the Femto access in the primary identification information mapping table
Identification information does not modify to the primary identification information mapping table then；And
Using the primary identification information mapping table after setting as the identification information mapping table.
4. such as claim 2-3 any one of them methods, which is characterized in that the wireless communication system further includes gateway, is defended
Star equipment；
When the gateway proxy is not accessed in the 2nd base stations Femto, further comprise：
The voice data transmission to the satellite equipment is enabled the satellite equipment will by the gateway by the gateway proxy
The voice data transmission notifies the mobile switching centre that the voice data is forwarded to institute to the mobile switching centre
State the 2nd base stations Femto.
5. method as claimed in claim 4, which is characterized in that further comprise：
The gateway proxy receives the voice data that the 2nd base stations Femto are sent, and is sent out according to the 2nd base stations Femto
The voice data sent obtains the corresponding gateway proxy side voice link identification information in the 2nd base stations Femto；And
According to the corresponding gateway proxy side voice link identification information in the 2nd base stations Femto, from the identification letter locally preserved
The corresponding voice link destination end identification information of the voice data is obtained in breath mapping table；
The gateway proxy is according to the corresponding gateway proxy side voice link identification information in the 2nd base stations Femto and described
Identification information mapping table determines that the gateway proxy is accessed in the first base stations Femto with the 2nd base stations Femto, will
The voice data transmission that corresponding 2nd base stations Femto of the voice link destination end identification information are sent is to described first
The base stations Femto.
6. a kind of data transmission device, it is applied in wireless communication system, which is characterized in that the wireless communication system includes the
One base stations Femto, the 2nd base stations Femto, described device include：
Receiving unit, the voice data sent for receiving the first base stations Femto；
Acquiring unit, for obtaining the corresponding gateway proxy side voice link identification information in the first base stations Femto, and according to
The gateway proxy side voice link identification information, the voice data pair is obtained from the identification information mapping table locally preserved
The voice link destination end identification information answered；
Judging unit, for when the identification information locally preserved according to the gateway proxy side voice link identification information, inquiry
Mapping table judges whether the first base stations Femto the 2nd base stations Femto corresponding with voice link destination end identification information are equal
Access the gateway proxy；
Data transmission unit, for if it is determined that local is accessed in the first base stations Femto with the 2nd base stations Femto, then
According to the voice link destination end identification information, by the voice data transmission to the 2nd base stations Femto.
7. device as claimed in claim 6, which is characterized in that the wireless communication system further includes mobile switching centre, the
One mobile device and the second mobile device；
Described device further includes processing unit, is used for：Before receiving the voice data that the first base stations Femto are sent, determine
The first voice link accessed between the first movement equipment and the mobile switching centre of the first base stations Femto has been built
It is vertical to finish；And determine between the second mobile device and the mobile switching centre that access the 2nd base stations Femto the
Two voice links, which have built up, to be finished；The voice link identification signaling that the 2nd base stations Femto are sent is received, according to institute's predicate
Sound link identification signaling, first voice link and second voice link generate the identification information mapping table.
8. device as claimed in claim 7, which is characterized in that further include mapping table generation unit, be used for：
Obtain the 2nd base stations the Femto access carried in the voice link identification signaling that the 2nd base stations Femto are sent
The corresponding gateway proxy side voice link identification information of voice link and the 2nd Femto base station side voice link identification informations；
According to first voice link and second voice link, the voice link for obtaining the first base stations Femto is corresponding
Gateway proxy side voice link identification information and the first Femto base station side voice link identification informations；Wherein, the voice link
Identification information includes IP address and port numbers；The corresponding gateway proxy of voice link accessed according to the 2nd base stations Femto
Side voice link identification information searches the primary identification information mapping table locally preserved, if in the primary identification information mapping table
In find the corresponding gateway proxy side voice link identification information of voice link of the 2nd base stations Femto access, then will
The corresponding same gateway proxy flag bit of access in 2nd base stations Femto described in the primary identification information mapping table is set as
TRUE, and the corresponding Femto base-station voices link mesh in the 2nd base stations Femto is set in the identification information mapping table
Mark end identification information is the first Femto base station side voice link identification informations；And it is corresponded to by the first base stations Femto
The same gateway proxy state flag bit of access be set as TRUE, and corresponding Femto bases in setting the first base stations Femto
Voice link destination end identification information of standing is the 2nd Femto base station side voice link identification informations；If in the initial knowledge
The voice link identification information for not finding the 2nd base stations the Femto access in other information MAP table, then do not believe the identification
Breath mapping table is modified；And using the primary identification information mapping table after setting as the identification information mapping table.
9. such as claim 7-8 any one of them devices, which is characterized in that the wireless communication system further includes gateway, is defended
Star equipment；
The data transmission unit, is additionally operable to：It, will be described when the gateway proxy is not accessed in the 2nd base stations Femto
Voice data transmission enables the satellite equipment by the gateway by the voice data transmission to the movement to satellite equipment
Switching centre, the mobile switching centre is by the voice data transmission to the 2nd base stations Femto.
10. device as claimed in claim 9, which is characterized in that the receiving unit is additionally operable to：Receive the 2nd Femto
The voice data that base station is sent；
The acquiring unit, is additionally operable to：According to the voice data that the 2nd base stations Femto are sent, the 2nd base stations Femto are obtained
Corresponding gateway proxy side voice link identification information；And according to the corresponding gateway proxy side voice in the 2nd base stations Femto
Link identification information obtains the corresponding voice link destination end of the voice data from the identification information mapping table locally preserved
Identification information；
The judging unit, is additionally operable to：According to the corresponding gateway proxy side voice link identification information in the 2nd base stations Femto
And the identification information mapping table, judge the first base stations Femto and the 2nd base stations Femto whether described in access
Gateway proxy；
The data transmission unit, is additionally operable to：If it is determined that the first base stations Femto are accessed with the 2nd base stations Femto
It is local, then the voice data transmission sent corresponding 2nd base stations Femto of the voice link destination end identification information to institute
State the first base stations Femto.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101730268A (en) * | 2009-11-27 | 2010-06-09 | 中国电信股份有限公司 | Femto gateway and method and system for mobile terminal to access network resources |
| CN102137446A (en) * | 2011-04-11 | 2011-07-27 | 京信通信系统（中国）有限公司 | Method and device for realizing various services diversion in home base station |
| CN102355751A (en) * | 2011-09-30 | 2012-02-15 | 电信科学技术研究院 | Self-organization network information transfer method, system and equipment |
| CN103220815A (en) * | 2012-01-18 | 2013-07-24 | 中兴通讯股份有限公司 | Establishing method and device of interface connection between base stations |
| CN104023093A (en) * | 2014-05-09 | 2014-09-03 | 京信通信系统（中国）有限公司 | Method and system for Femtocell to have access to gateway and access guide server |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI484853B (en) * | 2012-03-14 | 2015-05-11 | Inst Information Industry | Communication system and communication method thereof |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101730268A (en) * | 2009-11-27 | 2010-06-09 | 中国电信股份有限公司 | Femto gateway and method and system for mobile terminal to access network resources |
| CN102137446A (en) * | 2011-04-11 | 2011-07-27 | 京信通信系统（中国）有限公司 | Method and device for realizing various services diversion in home base station |
| CN102355751A (en) * | 2011-09-30 | 2012-02-15 | 电信科学技术研究院 | Self-organization network information transfer method, system and equipment |
| CN103220815A (en) * | 2012-01-18 | 2013-07-24 | 中兴通讯股份有限公司 | Establishing method and device of interface connection between base stations |
| CN104023093A (en) * | 2014-05-09 | 2014-09-03 | 京信通信系统（中国）有限公司 | Method and system for Femtocell to have access to gateway and access guide server |
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Address after: 510663 No. 10 Shenzhou Road, Science City, Luogang District, Guangzhou City, Guangdong Province Patentee after: Jingxin Network System Co.,Ltd. Address before: 510663 No. 10 Shenzhou Road, Science City, Luogang District, Guangzhou City, Guangdong Province Patentee before: Comba Telecom System (China) Ltd. |