CN106559846A - Downlink data transmission method, gateway and system - Google Patents
Downlink data transmission method, gateway and system Download PDFInfo
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- CN106559846A CN106559846A CN201510616568.0A CN201510616568A CN106559846A CN 106559846 A CN106559846 A CN 106559846A CN 201510616568 A CN201510616568 A CN 201510616568A CN 106559846 A CN106559846 A CN 106559846A
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- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/12—Reselecting a serving backbone network switching or routing node
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- 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
- H04W36/0055—Transmission or use of information for re-establishing the radio link
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- Computer Networks & Wireless Communication (AREA)
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Abstract
The invention discloses a kind of downlink data transmission method, gateway and system, wherein method include that source gateway creates the non-tunnel that direct transfers, wherein, the non-tunnel that direct transfers is the downlink data transmission tunnel between the source gateway and destination service gateway；Downlink data is sent to the destination service gateway by the non-tunnel that direct transfers by priority flag of the source gateway according to the described non-tunnel that direct transfers for pre-setting.By arranging the non-tunnel priority symbol that direct transfers, so that downlink data is by the data transmission tunnel transmission between source gateway and destination service gateway, so as to shorten path of the downlink data by the non-tunnel transmission that direct transfers, the network consumption of downlink data transmission in handoff procedure is saved, the efficiency of transmission of downlink data in handoff procedure is improve.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of downlink data transmission method, service
Gateway and system.
Background technology
RAT (Radio Access Technology, wireless access technology) inscribe based on S1 interfaces
Change, E-UTRAN (Evolved Universal Terrestrial Radio Access Network,
The Universal Terrestrial wireless access network of evolution) to UTRAN (Universal Terrestrial Radio
Access Network, Universal Terrestrial wireless access network) Iu patterns and UTRAN Iu patterns be to E-UTRAN
RAT between switch, set up the non-tunnel that direct transfers for downlink data transmission in handoff procedure if desired
Road, the transmission of downlink data after the non-tunnel building that direct transfers, prior art are required for through source eNodeB
(evolved Node B, evolved node base station)/RNC (Radio Network Controller,
Radio network controller).
Such as based on non-direct transfer tunnel building and the downlink data transmission switched in S1 interface RAT, such as scheme
Shown in 1：
Step 101：Needs reselect what is serviced for UE (User Equipment, user equipment)
MME (Mobility Management Entity, mobile management entity), source MME selection targets MME,
And to re-positioning request before sending to target MME, wherein carry to need to set up the non-data tunnel that direct transfers
Mark；
Step 102：Target MME sends handover request to target eNodeB；
Step 103：Target eNodeB sends switching request acknowledgement message to target MME, carries use
In target eNodeB address and TEID (the Tunnel End Point for setting up the non-tunnel that direct transfers
Identifier, Tunnel End Point Identifier) information；
Step 104：Target MME is sent to target S-GW (Serving Gateway, gateway)
The non-data tunnel request message that direct transfers is created, wherein carrying target eNodeB for the non-tunnel that direct transfers
Address and TEID information；
Step 105：Target S-GW sends to target MME and creates the non-tunneled requests response message that direct transfers,
Carry target S-GW address and the TEID information for the non-tunnel that direct transfers；
Step 106：Target MME sends front to relocation response to source MME, carries and direct transfers for non-
The target S-GW address in tunnel and TEID information；
Step 107：Source MME sends to source S-GW and creates the non-data tunnel request message that direct transfers, and carries
For target S-GW address and the TEID information in the non-tunnel that direct transfers；
Step 108：Source S-GW sends to source MME and creates the non-tunneled requests response message that direct transfers, and carries
For source S-GW addresses and the TEID information in the non-tunnel that direct transfers；
Step 109：Source MME sends switching command to source eNodeB, carries for the non-tunnel that direct transfers
Source S-GW addresses and TEID information；
Step 110：After the non-tunnel building that direct transfers, the downlink data from PGW is by the non-tunnel biography that direct transfers
Defeated, the transmitting step of downlink data is：
110a：PGW (PDN Gateway, packet data gateway) is transmitted by original GTP tunnel
To source S-GW；
110b：Source S-GW is passed by original GTP (GPRS Tunnelling Protocol) tunnel
It is defeated to source eNodeB；
110c：Source eNodeB is by the non-tunnel transmission that direct transfers set up to source S-GW；
110d：Source S-GW is by the non-tunnel transmission that direct transfers of foundation to target S-GW；
110e：Target S-GW is by the non-tunnel that direct transfers of foundation to target eNodeB；
110f：Target eNodeB is by newly-established Lte-Uu channel transfer to UE；
Non- tunnel building and the downlink data biography of direct transferring switched between E-UTRAN to UTRAN Iu patterns RAT
It is defeated, and UTRAN Iu patterns are to non-tunnel building and the lower line number of direct transferring switched between E-UTRAN RAT
According to transmission, protocol theory is with based on non-tunnel building and the downlink data of direct transferring switched in S1 interface RAT
Transmission.In prior art as shown in Figure 1, in handoff procedure, after the non-tunnel building that direct transfers, under
Row data reach UE sides by the non-tunnel transmission that direct transfers, accumulative to have passed through multistep transmission and multiple network elements,
What is transmitted is less efficient, consumes more Internet resources.
The content of the invention
The invention provides a kind of downlink data transmission method, gateway and system, at least to solve
Downlink data is needed through multistep transmission and multiple network elements, the efficiency of transmission by the non-tunnel transmission that direct transfers
It is relatively low, consume the problem of more Internet resources.
According to an aspect of the invention, there is provided a kind of downlink data transmission method, the method includes：
Source gateway creates the non-tunnel that direct transfers, wherein, the non-tunnel that direct transfers be the source gateway and
Downlink data transmission tunnel between destination service gateway；The source gateway is according to pre-setting
The priority flag in the non-tunnel that direct transfers, downlink data is sent to by the non-tunnel that direct transfers described
Destination service gateway.
Preferably, the source gateway creates the non-tunnel packet that direct transfers and includes：The source gateway is received
The non-TUNNEL request message that direct transfers is created, wherein the message package is included：For creating the non-tunnel that direct transfers
Destination service gateway address and Tunnel End Point Identifier TEID information；The source gateway is according to described
Request message creates the source gateway to the described non-tunnel that direct transfers of the destination service gateway.
Preferably, methods described is applied to following handoff scenario：Wireless access technology based on S1 interfaces
In RAT, switching, the Universal Terrestrial wireless access network E-UTRAN of evolution are to Universal Terrestrial wireless access network
Switch between the switching of UTRAN Iu patterns, the RAT of UTRAN Iu patterns to E-UTRAN.
According to a further aspect of the invention, there is provided a kind of gateway, including：Creation module,
For creating the non-tunnel that direct transfers, wherein, the non-tunnel that direct transfers is the gateway and destination service
Downlink data transmission tunnel between gateway；Sending module, for described non-straight according to what is pre-set
The priority flag in tunnel is passed, downlink data is sent to into the destination service by the non-tunnel that direct transfers
Gateway.
Preferably, the creation module includes：Receiving unit, please for receiving the non-tunnel that direct transfers of establishment
Message is sought, wherein the message package is included for creating the destination service gateway address in the non-tunnel that direct transfers
With TEID information；Creating unit, for creating the gateway to described according to the request message
The described non-tunnel that direct transfers of destination service gateway.
The gateway is applied to following handoff scenario：Wireless access technology RAT based on S1 interfaces
Interior switching, the Universal Terrestrial wireless access network E-UTRAN to Universal Terrestrial wireless access network UTRAN of evolution
Switch between the switching of Iu patterns, the RAT of UTRAN Iu patterns to E-UTRAN.
According to a further aspect of the invention, a kind of downlink data transmission system, the system are additionally provided
Including：Source gateway and destination service gateway, the source gateway are used to create the non-tunnel that direct transfers,
Wherein, the non-tunnel that direct transfers is the downlink data between the source gateway and destination service gateway
Transmission tunnel；According to the priority flag in the described non-tunnel that direct transfers for pre-setting, downlink data is passed through
The non-tunnel that direct transfers is sent to the destination service gateway；The destination service gateway is used to receive institute
Downlink data is stated, and sends it to base station or radio network controller.
Preferably, the source gateway creates the non-tunnel packet that direct transfers and includes：The source gateway is received
The non-TUNNEL request message that direct transfers is created, wherein the message package is included for creating the non-tunnel that direct transfers
Destination service gateway address and TEID information；The source gateway creates institute according to the request message
Source gateway is stated to the described non-tunnel that direct transfers of the destination service gateway.
Preferably, the system is applied to following handoff scenario：Wireless access technology based on S1 interfaces
In RAT, switching, the Universal Terrestrial wireless access network E-UTRAN of evolution are to Universal Terrestrial wireless access network
Switch between the switching of UTRAN Iu patterns, the RAT of UTRAN Iu patterns to E-UTRAN.
By the inventive method, using the non-tunnel priority symbol that direct transfers of setting so that downlink data passes through
The mode of the data transmission tunnel transmission between source gateway and destination service gateway, and then reach
Shorten path of the downlink data by the non-tunnel transmission that direct transfers, downlink data is passed in saving handoff procedure
Defeated network consumption, improves the efficiency of transmission of downlink data in handoff procedure.
Description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the one of the application
Part, the schematic description and description of the present invention are used to explain the present invention, do not constitute to this
Bright improper restriction.In the accompanying drawings：
The non-tunnel building and descending of direct transferring that Fig. 1 is switched based on S1 interfaces EUTRAN for correlation technique
Data transfer flow process figure；
Fig. 2 is downlink data transmission method flow chart in the embodiment of the present invention；
Fig. 3 is the downlink data transmission flow process switched based on S1 interfaces EUTRAN in the embodiment of the present invention
Figure；
Fig. 4 is the lower line number switched between E-UTRAN to UTRAN Iu patterns RAT in the embodiment of the present invention
According to transfer process figure；
Fig. 5 be in the embodiment of the present invention UTRAN Iu patterns to the lower line number switched between E-UTRAN RAT
According to transfer process figure；
Fig. 6 is a kind of structural representation of gateway in the embodiment of the present invention；
Fig. 7 is the structural representation of another kind of gateway in the embodiment of the present invention；
Fig. 8 is a kind of structural representation of downlink data transmission system in the embodiment of the present invention.
Specific embodiment
It should be noted that in the case where not conflicting, in the embodiment and embodiment in the application
Feature can be mutually combined.Below with reference to the accompanying drawings and in conjunction with the embodiments describing the present invention in detail.
The embodiment of the invention discloses a kind of downlink data transmission method, as shown in Fig. 2 including:
S200：Source gateway creates the non-tunnel that direct transfers, and arranges the non-tunnel priority flag that direct transfers；Its
In, the non-tunnel that direct transfers is that the downlink data between the source gateway and destination service gateway is passed
Defeated tunnel；
S202：Downlink data is passed through institute according to the non-tunnel priority flag that direct transfers by source gateway
State the non-tunnel that direct transfers and be sent to the destination service gateway.
Preferably, source gateway is received and creates the non-TUNNEL request message that direct transfers, wherein the non-tunnel that direct transfers
Request message is included for creating the destination service gateway address in the non-tunnel that direct transfers；Source gateway
The source gateway is created to the described non-tunnel that direct transfers of the destination service gateway.
Preferably, said method is applied to following handoff scenario：Wireless access technology based on S1 interfaces
In RAT, switching, the Universal Terrestrial wireless access network E-UTRAN of evolution are to Universal Terrestrial wireless access network
Switch between the switching of UTRAN Iu patterns, the RAT of UTRAN Iu patterns to E-UTRAN.
By arranging the non-tunnel priority symbol that direct transfers so that downlink data passes through source gateway and target
Data transmission tunnel transmission between gateway, so as to shorten downlink data by the non-tunnel that direct transfers
The path of transmission, saves the network consumption of downlink data transmission in handoff procedure, improves and switched
The efficiency of transmission of downlink data in journey.
It is described with reference to specific implement scene.
As shown in figure 3, being non-tunnel building and the lower line number of direct transferring switched based on S1 interfaces EUTRAN
According to the flow process of transmission, step is as follows：
Step 301：Reselect the MME for UE services.Source MME selection targets MME, and to target
MME sends front to re-positioning request, wherein carrying the non-data tunnel that direct transfers sets up mark；
Step 302：Target MME sends handover request to target eNodeB；
Step 303：Target eNodeB sends switching request acknowledgement message to target MME, and carrying is used for
Set up target eNodeB address and the TEID information in the non-tunnel that direct transfers；
Step 304：Target MME sends to target S-GW and creates the non-data tunnel request message that direct transfers,
Address and the TEID information of target eNodeB for the non-tunnel that direct transfers are carried wherein；
Step 305：Target S-GW sends to target MME and creates the non-tunneled requests response message that direct transfers,
Carry target S-GW address and the TEID information for the non-tunnel that direct transfers；
Step 306：Target MME sends front to relocation response to source MME, carries for the non-tunnel that direct transfers
The target S-GW address in road and TEID information；
Step 307：Source MME sends to source S-GW and creates the non-data tunnel request message that direct transfers, and carries
Target S-GW address and TEID information for the non-tunnel that direct transfers；
Step 308：Source S-GW sends to source MME and creates the non-tunneled requests response message that direct transfers, and carries
Source S-GW addresses and TEID information for the non-tunnel that direct transfers；And the non-tunnel priority flag that direct transfers is set,
I.e. for currently switching all carryings under session (comprising default bearing and dedicated bearing), arrange
The non-tunnel priority flag that direct transfers, and the non-tunnel index that direct transfers is recorded, follow-up downlink data message is reached
After the gateway of source, any carrying for currently switching session is matched, judges that priority flag comes into force
Afterwards, the non-tunnel that direct transfers recorded in carrying can be all used to carry out GTP encapsulated deliveries；
Step 309：Source MME sends switching command to source eNodeB, carries for the non-tunnel that direct transfers
Source S-GW addresses and TEID information；
Step 310：After the non-tunnel building that direct transfers, the downlink data from PGW is by the non-tunnel biography that direct transfers
Defeated, the transmitting step of downlink data is：
310a：PGW is transferred to source S-GW by original GTP tunnel；
310b：Source S-GW is indicated according to the non-tunnel priority flag that direct transfers, is directly direct transferred by the non-of foundation
Tunnel transmission to target S-GW, not according still further to path transmission before to source eNodeB；
310c：Target S-GW is by the non-tunnel that direct transfers of foundation to target eNodeB；
310d：Target eNodeB is by newly-established Lte-Uu channel transfer to UE；
As shown in figure 4, being that the non-tunnel that direct transfers switched between E-UTRAN to UTRAN Iu patterns RAT is built
Vertical and downlink data transmission flow process, step are as follows：
Step 401：Reselect the SGSN for UE services, source MME selection targets SGSN, and to mesh
Mark SGSN sends front to re-positioning request, wherein carry to need to set up the non-data tunnel mark that direct transfers；
Step 402：Target SGSN sends handover request to Target RNC；
Step 403：Target RNC sends switching request acknowledgement message to target SGSN, carries Target RNC
For setting up address and the TEID information in the non-tunnel that direct transfers；
Step 404：Target SGSN sends to target S-GW and creates the non-data tunnel request message that direct transfers,
Address and the TEID information of Target RNC for the non-tunnel that direct transfers are carried wherein；
Step 405：Target S-GW sends to target SGSN and creates the non-tunneled requests response message that direct transfers,
Carry target S-GW address and the TEID information for the non-tunnel that direct transfers；
Step 406：Target SGSN sends front to relocation response to source MME, carries and direct transfers for non-
The target S-GW address in tunnel and TEID information；
Step 407：Source MME sends to source S-GW and creates the non-data tunnel request message that direct transfers, and carries
Target S-GW address and TEID information for the non-tunnel that direct transfers；
Step 408：Source S-GW sends to source MME and creates the non-tunneled requests response message that direct transfers, and carries
Source S-GW addresses and TEID information for the non-tunnel that direct transfers；And the non-tunnel priority flag that direct transfers is set,
I.e. for currently switching all carryings under session (comprising default bearing and dedicated bearing), arrange
The non-tunnel priority flag that direct transfers, and the non-tunnel index that direct transfers is recorded, follow-up downlink data message is reached
After the gateway of source, any carrying for currently switching session is matched, judges that priority flag comes into force
Afterwards, the non-tunnel that direct transfers recorded in carrying can be all used to carry out GTP encapsulated deliveries；
Step 409：Source MME sends switching command to source eNodeB, carries for the non-tunnel that direct transfers
Source S-GW addresses and TEID information；
Step 410：After the non-tunnel building that direct transfers, the downlink data from PGW is by the non-tunnel biography that direct transfers
Defeated, the transmitting step of downlink data is：
410a：PGW is transferred to source S-GW by original GTP tunnel；
410b：Source S-GW is indicated according to the non-tunnel priority flag that direct transfers, is directly direct transferred by the non-of foundation
Tunnel transmission to target S-GW, not according still further to path transmission before to source eNodeB；
410c：Target S-GW is by the non-tunnel that direct transfers of foundation to Target RNC；
410d：Target RNC is by newly-established Uu channel transfer to UE；
As shown in figure 5, being that UTRAN Iu patterns are built to the non-tunnel that direct transfers switched between E-UTRAN RAT
Vertical and downlink data transmission flow process, step are as follows：
Step 501：Reselect the MME for UE services, source SGSN selection targets MME, and to mesh
Mark MME sends front to re-positioning request, wherein carry to need to set up the non-data tunnel mark that direct transfers；
Step 502：Target MME sends handover request to target eNodeB；
Step 503：Target eNodeB sends switching request acknowledgement message to target MME, carries target
ENodeB is used for address and the TEID information for setting up the non-tunnel that direct transfers；
Step 504：Target MME sends to target S-GW and creates the non-data tunnel request message that direct transfers,
Address and the TEID information of target eNodeB for the non-tunnel that direct transfers are carried wherein；
Step 505：Target S-GW sends to target MME and creates the non-tunneled requests response message that direct transfers,
Carry target S-GW address and the TEID information for the non-tunnel that direct transfers；
Step 506：Target MME sends front to relocation response to source SGSN, carries and direct transfers for non-
The target S-GW address in tunnel and TEID information；
Step 507：Source SGSN sends to source S-GW and creates the non-data tunnel request message that direct transfers, and carries
Target S-GW address and TEID information for the non-tunnel that direct transfers；
Step 508：Source S-GW sends to source SGSN and creates the non-tunneled requests response message that direct transfers, and carries
Source S-GW addresses and TEID information for the non-tunnel that direct transfers；And the non-tunnel priority flag that direct transfers is set,
I.e. for currently switching all carryings under session (comprising default bearing and dedicated bearing), arrange
The non-tunnel priority flag that direct transfers, and the non-tunnel index that direct transfers is recorded, follow-up downlink data message is reached
After the gateway of source, any carrying for currently switching session is matched, judges that priority flag comes into force
Afterwards, the non-tunnel that direct transfers recorded in carrying can be all used to carry out GTP encapsulated deliveries；
Step 509：Source SGSN sends switching command to source RNC, carries the source for the non-tunnel that direct transfers
S-GW addresses and TEID information；
Step 510：After the non-tunnel building that direct transfers, the downlink data from PGW is by the non-tunnel biography that direct transfers
Defeated, the transmitting step of downlink data is：
510a：PGW is transferred to source S-GW by original GTP tunnel；
510b：Source S-GW is indicated according to the non-tunnel priority flag that direct transfers, is directly direct transferred by the non-of foundation
Tunnel transmission to target S-GW, not according still further to path transmission before to source RNC；
510c：Target S-GW is by the non-tunnel that direct transfers of foundation to target eNodeB；
510d：Target eNodeB is by newly-established Lte-Uu channel transfer to UE；
The embodiment of the present invention also includes a kind of gateway, as shown in Figure 6 and Figure 7, including：Create
Module 600, for creating the non-tunnel that direct transfers, wherein, the non-tunnel that direct transfers be the gateway and
Downlink data transmission tunnel between destination service gateway；Sending module 602, for according to described default
The non-tunnel that direct transfers priority flag, downlink data is sent to into the mesh by the non-tunnel that direct transfers
Mark gateway.Preferably, the creation module 600 also includes：Receiving unit 6001, for connecing
Receive and create the non-TUNNEL request message that direct transfers, wherein the message package is included for creating the non-tunnel that direct transfers
Destination service gateway address；Creating unit 6002.
The embodiment of the present invention also includes a kind of downlink data transmission system, as shown in figure 8, the system bag
Include：Source gateway and destination service gateway, wherein the source gateway creates the non-tunnel that direct transfers,
And the non-tunnel priority flag that direct transfers is set；Wherein, the non-tunnel that direct transfers be the source gateway and
Downlink data transmission tunnel between destination service gateway；According to the non-tunnel priority flag that direct transfers,
Downlink data is sent to into the destination service gateway by the non-tunnel that direct transfers；The destination service
Gateway receives the downlink data, and sends it to base station or radio network controller.
The above gateway and system are applied to following handoff scenario：Based on wirelessly connecing for S1 interfaces
Enter switching in technology RAT, evolution Universal Terrestrial wireless access network E-UTRAN it is wireless to Universal Terrestrial
Switch between the switching of access network UTRAN Iu patterns, the RAT of UTRAN Iu patterns to E-UTRAN.
It should be noted that the gateway and system described in above-described embodiment corresponds to above-mentioned side
Method embodiment, its concrete implementation process had carried out detailed description, here in embodiment of the method
Repeat no more.
In sum, according to the abovementioned embodiments of the present invention, downlink data is shortened by the non-tunnel that direct transfers
The path of road transmission, saves the network consumption of downlink data transmission in handoff procedure, improves switching
During downlink data efficiency of transmission.
Obviously, those skilled in the art should be understood that each module or each step of the above-mentioned present invention
Can be realized with general computing device, they can be concentrated on single computing device, or
It is distributed on the network constituted by multiple computing devices, alternatively, they be able to can be held with computing device
Capable program code is realizing, it is thus possible to be come by computing device in being stored in storage device
Perform, or they are fabricated to each integrated circuit modules respectively, or by the multiple moulds in them
Block or step are fabricated to single integrated circuit module to realize.So, the present invention is not restricted to any spy
Fixed hardware and software is combined.
The preferred embodiments of the present invention are the foregoing is only, the present invention is not limited to, for
For those skilled in the art, the present invention can have various modifications and variations.All essences in the present invention
Within god and principle, any modification, equivalent substitution and improvements made etc. should be included in the present invention
Protection domain within.
Claims (9)
1. a kind of downlink data transmission method, it is characterised in that the method includes：
Source gateway creates the non-tunnel that direct transfers, wherein, the non-tunnel that direct transfers is the source service network
Close and the downlink data transmission tunnel between destination service gateway；
Priority flag of the source gateway according to the described non-tunnel that direct transfers for pre-setting, will be descending
Data are sent to the destination service gateway by the non-tunnel that direct transfers.
2. method according to claim 1, it is characterised in that the source gateway creates non-
The tunnel that direct transfers includes：
The source gateway is received and creates the non-TUNNEL request message that direct transfers, wherein the message package is included：
For creating the destination service gateway address and Tunnel End Point Identifier TEID information in the non-tunnel that direct transfers；
The source gateway creates the source gateway according to the request message and takes to the target
The described non-tunnel that direct transfers of business gateway.
3. method according to claim 1 and 2, it is characterised in that methods described suitable for
Lower handoff scenario：
Switching, the Universal Terrestrial wireless access network of evolution in wireless access technology RAT based on S1 interfaces
E-UTRAN is arrived to the switching of Universal Terrestrial wireless access network UTRAN Iu patterns, UTRAN Iu patterns
Switch between the RAT of E-UTRAN.
4. a kind of gateway, it is characterised in that include：
Creation module, for creating the non-tunnel that direct transfers, wherein, the non-tunnel that direct transfers is the service
Downlink data transmission tunnel between gateway and destination service gateway；
Sending module, for the priority flag according to the described non-tunnel that direct transfers for pre-setting, will be descending
Data are sent to the destination service gateway by the non-tunnel that direct transfers.
5. gateway according to claim 4, it is characterised in that the creation module includes：
Receiving unit, creates the non-TUNNEL request message that direct transfers for receiving, wherein the message package includes use
In the destination service gateway address and TEID information that create the non-tunnel that direct transfers；
Creating unit, for creating the gateway to the destination service according to the request message
The described non-tunnel that direct transfers of gateway.
6. the gateway according to claim 4 or 5, it is characterised in that the gateway
Suitable for following handoff scenario：
Switching, the Universal Terrestrial wireless access network of evolution in wireless access technology RAT based on S1 interfaces
E-UTRAN is arrived to the switching of Universal Terrestrial wireless access network UTRAN Iu patterns, UTRAN Iu patterns
Switch between the RAT of E-UTRAN.
7. a kind of downlink data transmission system, it is characterised in that the system includes：Source gateway and
Destination service gateway,
The source gateway is used to create the non-tunnel that direct transfers, wherein, the non-tunnel that direct transfers is described
Downlink data transmission tunnel between source gateway and destination service gateway；According to the institute for pre-setting
The priority flag in the non-tunnel that direct transfers is stated, downlink data is sent to into the mesh by the non-tunnel that direct transfers
Mark gateway；
The destination service gateway is used to receive the downlink data, and sends it to base station or wireless
Network controller.
8. system according to claim 7, it is characterised in that the source gateway creates non-
The tunnel that direct transfers includes：
The source gateway is received and creates the non-TUNNEL request message that direct transfers, wherein the message package includes use
In the destination service gateway address and TEID information that create the non-tunnel that direct transfers；
The source gateway creates the source gateway according to the request message and takes to the target
The described non-tunnel that direct transfers of business gateway.
9. the system according to claim 7 or 8, it is characterised in that the system suitable for
Lower handoff scenario：
Switching, the Universal Terrestrial wireless access network of evolution in wireless access technology RAT based on S1 interfaces
E-UTRAN is arrived to the switching of Universal Terrestrial wireless access network UTRAN Iu patterns, UTRAN Iu patterns
Switch between the RAT of E-UTRAN.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510616568.0A CN106559846A (en) | 2015-09-24 | 2015-09-24 | Downlink data transmission method, gateway and system |
| PCT/CN2016/086263 WO2017049970A1 (en) | 2015-09-24 | 2016-06-17 | Downlink data transmission method, serving gateways and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510616568.0A CN106559846A (en) | 2015-09-24 | 2015-09-24 | Downlink data transmission method, gateway and system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106559846A true CN106559846A (en) | 2017-04-05 |
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| CN201510616568.0A Pending CN106559846A (en) | 2015-09-24 | 2015-09-24 | Downlink data transmission method, gateway and system |
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| WO (1) | WO2017049970A1 (en) |
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| CN101938787B (en) * | 2009-07-01 | 2014-01-01 | 华为技术有限公司 | Method and device for switch controlling |
| CN102300272B (en) * | 2010-06-22 | 2015-09-16 | 中兴通讯股份有限公司 | The data forwarding method that S1 switches and mobile communication system |
| CN102045802A (en) * | 2010-12-22 | 2011-05-04 | 华为技术有限公司 | Data transmitting method in serving gateway (SGW) changing switching process, packet data network (PDN) gateway (PGW) and base station |
| US8804716B2 (en) * | 2012-04-27 | 2014-08-12 | Ixia | Methods, systems, and computer readable media for evolved general packet radio service (GPRS) tunneling protocol (eGTP) indirect tunneling in a voice over LTE (VoLTE) simulation |
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