CN102045802A - Data transmitting method in serving gateway (SGW) changing switching process, packet data network (PDN) gateway (PGW) and base station - Google Patents
Data transmitting method in serving gateway (SGW) changing switching process, packet data network (PDN) gateway (PGW) and base station Download PDFInfo
- Publication number
- CN102045802A CN102045802A CN2010106018250A CN201010601825A CN102045802A CN 102045802 A CN102045802 A CN 102045802A CN 2010106018250 A CN2010106018250 A CN 2010106018250A CN 201010601825 A CN201010601825 A CN 201010601825A CN 102045802 A CN102045802 A CN 102045802A
- Authority
- CN
- China
- Prior art keywords
- base station
- downlink data
- identification message
- pgw
- data packet
- 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.)
- Pending
Links
Images
Landscapes
- Mobile Radio Communication Systems (AREA)
Abstract
The invention provides a data transmitting method in a serving gateway (SGW) changing switching process, a packet data network (PDN) gateway (PGW) and a base station. The method comprises the following steps: the PGW learns that downlink data path switching is completed; and the PGW transmits an end-marker message to a target base station so that the target base station forwards a downlink data packet which is buffered before the target base station receives the end-marker message and comes from a non-indirect forwarding tunnel to user equipment (UE) after receiving the end-marker message. The embodiment of the invention can avoid the problem caused by adopting the scheme of a timer and ensure order of downlink data transmission.
Description
Technical field
The present invention relates to mobile communication technology, relate in particular to a kind of gateway (Serving Gateway, SGW) data transmission method for uplink in the handoff procedure of Gai Bianing, Packet Data Network (Packet Data Network, PDN) gateway (PDN Gateway, PGW) and the base station.
Background technology
Switching is that ((User Equipment when UE) moving to new sub-district, just may cause switching when subscriber equipment for Evolution Packet Core-network, EPC) mobile management critical function in the network for the packet network of evolution.(Evolved Universal Terrestrial Radio Access Network, E-UTRAN) switching in the network can be divided into based on the switching of X2 interface with based on the switching of S1 interface UE at evolved universal terrestrial radio access network.Whether change the flow process that can be divided into immovable switching flow of SGW and SGW change from SGW.
A free-revving engine that switches is exactly to guarantee that business is not interrupted in the process that the UE occurrence positions changes.For this reason, the switching flow that changes with the SGW based on X2 interface is an example, when switching, downlink data packet is transmitted to source SGW, is transmitted to source base station (eNodeB) by source SGW again by PGW, be transmitted to source SGW by source eNodeB again, be transmitted to purpose SGW, be forwarded to purpose eNodeB by purpose SGW again by source SGW again, last, eNodeB is transmitted to UE by purpose.And finish when switching when the downlink data tunnel switches to destination by source, PGW sends to purpose SGW with downlink data packet, by purpose SGW downlink data packet is sent to purpose eNodeB again.At this moment, purpose eNodeB may receive the downlink data packet from two paths: from the downlink data packet of indirect forward-path, be the downlink data packet from non-indirect forward-path in addition.At this moment, just need consider the order-preserving problem on purpose eNodeB, assurance is transmitted to the packet of UE and transmits by message sequence.
In the prior art, under the scene that SGW switches, can adopt the scheme of timer, in this scheme, when purpose eNodeB received downlink data packet from purpose SGW, purpose eNodeB started timer; Before timer expiry, will be transmitted to UE from the downlink data packet that purpose SGW transmits the tunnel indirectly, will be from the downlink data packet buffer memory in the non-indirect forwarding of purpose SGW tunnel; After timer expiry, think follow-up and can not receive the downlink data packet of transmitting the tunnel from purpose SGW indirectly, and will before the downlink data packet from the non-indirect forwarding tunnel of purpose SGW of buffer memory be transmitted to UE.But in this scheme, if the time that timer is provided with is too short, the downlink data packet that can't guarantee to transmit indirectly on the tunnel is received by purpose eNodeB fully, may cause downlink data packet out of order; If the overlong time that timer is provided with, the abundant downlink data packet that can cause purpose eNodeB buffer memory not may cause packet loss.
Summary of the invention
The embodiment of the invention provides data transmission method for uplink, PGW and the base station in the handoff procedure that a kind of SGW changes, and in order to solve the problem that the available technology adopting timer causes, realizes the order-preserving transmission of downlink data packet.
On the one hand, the embodiment of the invention provides the data transmission method for uplink in the handoff procedure that a kind of SGW changes, and comprising:
PGW is known that the downlink data path is switched and is finished;
Described PGW send to finish identification message to the purpose base station, so that described purpose base station is after receiving described end identification message, the downlink data packet from non-indirect forwarding tunnel of buffer memory is transmitted to UE before the described end identification message with receiving.
On the other hand, the embodiment of the invention provides the data transmission method for uplink in the handoff procedure that a kind of SGW changes, and comprising:
The base station buffer memory is from the downlink data packet in non-indirect forwarding tunnel;
The base station is transmitted to UE with the downlink data packet from non-indirect forwarding tunnel of described buffer memory after receiving the end identification message that PGW sends.
On the one hand, the embodiment of the invention provides a kind of PGW, comprising:
Know module, be used to know that switch in the downlink data path finishes;
Sending module is used for send finishing identification message to the purpose base station, so that described purpose base station is after receiving described end identification message, the downlink data packet from non-indirect forwarding tunnel of buffer memory is transmitted to UE before the described end identification message with receiving.
On the other hand, the embodiment of the invention provides a kind of base station, comprising:
First forwarding module is used for the downlink data packet of buffer memory from non-indirect forwarding tunnel;
Second forwarding module is used for after receiving the end identification message that PGW sends, and the downlink data packet from non-indirect forwarding tunnel of described buffer memory is transmitted to UE.
As shown from the above technical solution, data send in the handoff procedure that the SGW of the embodiment of the invention changes method, PGW and base station, knowing that by PGW transmission finished identification message to the purpose base station after the switching of downlink data path was finished, so that respective handling is carried out according to this end identification message in the purpose base station, can guarantee the order-preserving transmission of downlink data packet, and the problem of avoiding timer scheme to cause.
Description of drawings
In order to be illustrated more clearly in the technical scheme in the embodiment of the invention, the accompanying drawing of required use is done an introduction simply in will describing embodiment below, apparently, accompanying drawing in describing below is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the method flow schematic diagram of first embodiment of the invention;
Fig. 2 transmits the path schematic diagram in tunnel for embodiment of the invention indirect;
Fig. 3 is the path schematic diagram in non-indirect forwarding tunnel in the embodiment of the invention;
Fig. 4 is the method flow schematic diagram of second embodiment of the invention;
Fig. 5 is the method flow schematic diagram of third embodiment of the invention;
Fig. 6 is the PGW structural representation of fourth embodiment of the invention;
Fig. 7 is the architecture of base station schematic diagram of fifth embodiment of the invention.
Embodiment
For the purpose, technical scheme and the advantage that make the embodiment of the invention clearer, below in conjunction with the accompanying drawing in the embodiment of the invention, technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
Fig. 1 is the method flow schematic diagram of first embodiment of the invention, comprising:
Step 11:PGW is known that the downlink data path is switched and is finished;
Wherein, no matter be based on X2 interface, also be based in the switching flow of S1 interface, under the scene that SGW changes, after the path switches to destination by source, purpose SGW can send revise carrying request (Modify Bearer Request) message to PGW, revises bearing request message by this, and PGW can know that the downlink data path finishes switching.
Step 12: described PGW sends to the purpose base station and finishes identification message, so that described purpose base station is after receiving described end identification message, the downlink data packet from non-indirect forwarding tunnel of buffer memory is transmitted to UE before the described end identification message with receiving.
Wherein, in handoff procedure, do not interrupt in order to guarantee business, the downlink data from two paths may be received in the purpose base station, and this two paths is respectively indirect forwarding tunnel and non-indirect forwarding tunnel.
Fig. 2 transmits the path schematic diagram in tunnel for embodiment of the invention indirect, referring to Fig. 2, transmit the tunnel indirectly and be meant that downlink data packet is transmitted to source SGW, is transmitted to source base station by source SGW again by PGW, be transmitted to source SGW, be transmitted to purpose SGW, be forwarded to the purpose base station by purpose SGW again by source SGW again by source base station again.
Fig. 3 is the path schematic diagram in non-indirect forwarding tunnel in the embodiment of the invention, and referring to Fig. 3, non-indirect forwarding tunnel is meant that downlink data packet is transmitted to purpose SGW by PGW, is transmitted to the purpose base station by purpose SGW again.
Corresponding different Tunnel Identifiers can be distinguished with non-indirect forwarding tunnel in above-mentioned indirect forwarding tunnel, can distinguish indirect forwarding tunnel and non-indirect forwarding tunnel by different Tunnel Identifiers, therefore, the purpose base station can distinguish packet from indirect forwarding tunnel also right and wrong transmit the tunnel indirectly.
In order to realize the order-preserving of downlink data packet, can finish sign (End-Marker) message by sending by PGW, before this End-Marker message is received in the purpose base station, will be transmitted to UE and buffer memory downlink data packet from the downlink data packet in indirect forwarding tunnel from non-indirect forwarding tunnel; The downlink data packet from non-indirect forwarding tunnel with buffer memory after receiving End-Marker is transmitted to UE.
In addition, reason for fear of network quality causes losing of this end identification message, this end identification message can be received in assurance purpose base station, can send many continuously by PGW and finish identification message, the purpose base station will be transmitted to UE and the buffer memory downlink data packet from non-indirect forwarding tunnel from the downlink data packet in indirect forwarding tunnel before receiving article one end identification message; After receiving article one end identification message, will be transmitted to UE from the downlink data packet in non-indirect forwarding tunnel.
In addition, this end sign (End-marker) message can be specially GPRS (General Packet Radio Service, GPRS) user's face tunnel protocol (Tunnelling Protocol for User Plane, GTP-U) message header.Concrete form is as shown in table 1:
Table 1
Wherein: the E bit of byte (Octet) 1 is 0, and S bit is 0, and PN bit is 0, and PT bit is 1;
The value of byte 2 is 254;
The value of byte 3,4 is 0, and length is 0.
Can not carry Private Extension cell.
Receive after this end identification message, mean that downlink data packet can not be handed down to UE from indirect forwarding tunnel again.
Present embodiment is finished the back and sends and finish identification message by being switched in downlink path to the purpose base station by PGW, can switching is finished so that downlink path is in time known in the purpose base station.Owing to after the downlink path switching is finished, also just mean on the indirect forwarding tunnel and do not had downlink data packet again, therefore, can guarantee the sequential delivery of downlink data.
For base station side, carry out: the base station buffer memory is from the downlink data packet in non-indirect forwarding tunnel; The base station is transmitted to UE with the downlink data packet from non-indirect forwarding tunnel of described buffer memory after receiving the end identification message that PGW sends.
Fig. 4 is the method flow schematic diagram of second embodiment of the invention, comprising:
Step 41: the base station is before receiving the end identification message, to be transmitted to UE and the buffer memory downlink data packet from non-indirect forwarding tunnel from the downlink data packet in indirect forwarding tunnel, to be PGW send to described base station after finishing knowing that the downlink data path is switched to described end identification message;
Step 42: the base station will be transmitted to UE from the downlink data packet in non-indirect forwarding tunnel after receiving described end identification message.
Wherein, this end identification message can be the described end identification message that PGW sends via PGW, source SGW, source base station, source SGW, purpose SGW, this path, purpose base station.
Wherein, the end identification message that described PGW sends can be many, and described base station will be transmitted to UE and the buffer memory downlink data packet from non-indirect forwarding tunnel from the downlink data packet in indirect forwarding tunnel before receiving article one end identification message; And described base station will be transmitted to UE from the downlink data packet in non-indirect forwarding tunnel after receiving article one end identification message.
The end identification message that present embodiment sends by PGW realizes the order-preserving of downlink data, has simple, effective, reliable advantage.
The foregoing description is described from PGW and base station side respectively, and the flow process of downlink data transmission is described below in conjunction with both.
Fig. 5 is the method flow schematic diagram of third embodiment of the invention, comprising:
Step 51: before switching, downlink data packet sends to source SGW by PGW, sends to source base station by source SGW again, is transmitted to UE by source base station again.
Step 52: in handoff procedure, the purpose base station will be transmitted to UE and the buffer memory downlink data packet from non-indirect forwarding tunnel from the downlink data packet in indirect forwarding tunnel.
In handoff procedure,, may there be two paths in order to guarantee professional continuity:
Path one (forward-path indirectly): downlink data packet sends to source SGW via PGW, send to source base station by source SGW again, send to source SGW by source base station again, send to purpose SGW by source SGW again, send to the purpose base station by purpose SGW again, be transmitted to UE by the purpose base station again;
Path two (non-indirect forward-path): downlink data packet sends to purpose SGW via PGW, send to the purpose base station by purpose SGW again, before switching is finished, purpose base station this downlink data packet of buffer memory, and after switching is finished, be transmitted to UE by the purpose base station again.
Step 53:PGW sends the end identification message to the purpose base station after knowing that switching is finished.
For example, PGW can be known to switch and finish after the modification bearing request message that receives purpose SGW transmission.
Wherein, PGW can send to the purpose base station via following path and finish identification message: PGW → source SGW → source base station → source SGW → purpose SGW → purpose base station.
Step 54: after switching was finished, downlink data packet sent to purpose SGW by PGW, sent to the purpose base station by purpose SGW again, sent to UE by the purpose base station again.
After the purpose base station receives the end identification message, can know to switch and finish, not think can receive again from the downlink data packet on the indirect forwarding tunnel, buffer memory and the downlink data packet from non-indirect forwarding tunnel that receives can be transmitted to UE.
Because under the handoff scenario that SGW changes, PGW is the anchor point that switches, switching that can perception downlink data path, simultaneously, PGW is as the initial point that starts of downlink data message, possess the condition that finishes identification message that sends, send by PGW and finish identification message, can guarantee the order of downlink data.
Fig. 6 is the PGW structural representation of fourth embodiment of the invention, comprises knowing module 61 and sending module 62; Know that module 61 is used to know that switch in the downlink data path finishes; Sending module 62 is used for sending the end identification message to the purpose base station, so that described purpose base station is after receiving described end identification message, the downlink data packet from non-indirect forwarding tunnel of buffer memory is transmitted to UE before the described end identification message with receiving.
Wherein, described know that module 61 can specifically be used to receive the modification bearing request message that purpose SGW sends after, know that the downlink data path is switched to finish.
Described sending module 62 can specifically be used for sending many to the purpose base station and finish identification message.
In addition, described sending module 62 can specifically be used for via PGW, source SGW, source base station, source SGW, purpose SGW, this path, purpose base station, sends to the purpose base station and finishes identification message.
Present embodiment is finished the back and sends and finish identification message by being switched in downlink path to the purpose base station by PGW, can switching is finished so that downlink path is in time known in the purpose base station.Owing to after the downlink path switching is finished, also just mean on the indirect forwarding tunnel and do not had downlink data packet again, therefore, can guarantee the sequential delivery of downlink data.
Fig. 7 is the architecture of base station schematic diagram of fifth embodiment of the invention, comprises first forwarding module 71 and second forwarding module 72; First forwarding module 71 is used for the downlink data packet of buffer memory from non-indirect forwarding tunnel; Second forwarding module 72 is used for after receiving the end identification message that PGW sends, and the downlink data packet from non-indirect forwarding tunnel of described buffer memory is transmitted to UE.
First forwarding module 71 of present embodiment can also be used for before receiving described end identification message, will be transmitted to UE from the downlink data packet in indirect forwarding tunnel.Described end identification message can be many; At this moment, described first forwarding module 71 specifically is used for will being transmitted to UE and the buffer memory downlink data packet from non-indirect forwarding tunnel from the downlink data packet in indirect forwarding tunnel before receiving article one end identification message; Described second forwarding module 72 specifically is used for will being transmitted to UE from the downlink data packet in non-indirect forwarding tunnel after receiving article one end identification message.
Present embodiment is finished the back and sends and finish identification message by being switched in downlink path to the purpose base station by PGW, can switching is finished so that downlink path is in time known in the purpose base station.Owing to after the downlink path switching is finished, also just mean on the indirect forwarding tunnel and do not had downlink data packet again, therefore, can guarantee the sequential delivery of downlink data.
Be understandable that the reference mutually of the correlated characteristic in said method and the equipment.In addition, " first " in the foregoing description, " second " etc. are to be used to distinguish each embodiment, and do not represent the quality of each embodiment.
One of ordinary skill in the art will appreciate that: all or part of step that realizes said method embodiment can be finished by the relevant hardware of program command, aforesaid program can be stored in the computer read/write memory medium, this program is carried out the step that comprises said method embodiment when carrying out; And aforesaid storage medium comprises: various media that can be program code stored such as ROM, RAM, magnetic disc or CD.
It should be noted that at last: above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (15)
1. the data transmission method for uplink in the handoff procedure of a SGW change is characterized in that, comprising:
PGW is known that the downlink data path is switched and is finished;
Described PGW send to finish identification message to the purpose base station, so that described purpose base station is after receiving described end identification message, the downlink data packet from non-indirect forwarding tunnel of buffer memory is transmitted to UE before the described end identification message with receiving.
2. method according to claim 1 is characterized in that, described PGW is known that the downlink data path is switched and finished, comprising:
After described PGW receives the modification bearing request message that purpose SGW sends, know then that the downlink data path is switched to finish.
3. method according to claim 1 is characterized in that, the described transmission to the purpose base station finished identification message, comprising:
Send many to the purpose base station and finish identification message.
4. according to each described method of claim 1 to 3, it is characterized in that described the transmission to the purpose base station finished identification message, comprising:
Via PGW, source SGW, source base station, source SGW, purpose SGW, this path, purpose base station, send the end identification message to the purpose base station.
5. the data transmission method for uplink in the handoff procedure of a SGW change is characterized in that, comprising:
The base station buffer memory is from the downlink data packet in non-indirect forwarding tunnel;
The base station is transmitted to UE with the downlink data packet from non-indirect forwarding tunnel of described buffer memory after receiving the end identification message that PGW sends.
6. method according to claim 5 is characterized in that, to be described PGW send to described base station after finishing knowing that the downlink data path is switched to described end identification message.
7. method according to claim 5 is characterized in that, also comprises:
Described base station will be transmitted to UE from the downlink data packet in indirect forwarding tunnel before receiving described end identification message.
8. method according to claim 7, it is characterized in that, the end identification message that described PGW sends is many, described base station will be transmitted to UE and the buffer memory downlink data packet from non-indirect forwarding tunnel from the downlink data packet in indirect forwarding tunnel before receiving article one end identification message; And described base station will be transmitted to UE from the downlink data packet in non-indirect forwarding tunnel after receiving article one end identification message.
9. a PGW is characterized in that, comprising:
Know module, be used to know that switch in the downlink data path finishes;
Sending module is used for send finishing identification message to the purpose base station, so that described purpose base station is after receiving described end identification message, the downlink data packet from non-indirect forwarding tunnel of buffer memory is transmitted to UE before the described end identification message with receiving.
10. PGW according to claim 9 is characterized in that,
Described know that module specifically is used to receive the modification bearing request message that purpose SGW sends after, know that the downlink data path is switched to finish.
11. PGW according to claim 9 is characterized in that,
Described sending module specifically is used for sending many to the purpose base station and finishes identification message.
12. according to each described PGW of claim 9 to 11, it is characterized in that,
Described sending module specifically is used for via PGW, source SGW, source base station, source SGW, purpose SGW, this path, purpose base station, sends to the purpose base station and finishes identification message.
13. a base station is characterized in that, comprising:
First forwarding module is used for the downlink data packet of buffer memory from non-indirect forwarding tunnel;
Second forwarding module is used for after receiving the end identification message that PGW sends, and the downlink data packet from non-indirect forwarding tunnel of described buffer memory is transmitted to UE.
14. base station according to claim 13 is characterized in that, described first forwarding module also was used for before receiving described end identification message, will be transmitted to UE from the downlink data packet in indirect forwarding tunnel.
15. base station according to claim 14 is characterized in that,
Described end identification message is many;
Described first forwarding module specifically is used for will being transmitted to UE and the buffer memory downlink data packet from non-indirect forwarding tunnel from the downlink data packet in indirect forwarding tunnel before receiving article one end identification message;
Described second forwarding module specifically is used for will being transmitted to UE from the downlink data packet in non-indirect forwarding tunnel after receiving article one end identification message.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106018250A CN102045802A (en) | 2010-12-22 | 2010-12-22 | Data transmitting method in serving gateway (SGW) changing switching process, packet data network (PDN) gateway (PGW) and base station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106018250A CN102045802A (en) | 2010-12-22 | 2010-12-22 | Data transmitting method in serving gateway (SGW) changing switching process, packet data network (PDN) gateway (PGW) and base station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102045802A true CN102045802A (en) | 2011-05-04 |
Family
ID=43911441
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010106018250A Pending CN102045802A (en) | 2010-12-22 | 2010-12-22 | Data transmitting method in serving gateway (SGW) changing switching process, packet data network (PDN) gateway (PGW) and base station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102045802A (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103428792A (en) * | 2013-08-22 | 2013-12-04 | 大唐移动通信设备有限公司 | Cross-SGW (Serving Gateway) switching method and device |
| WO2015113290A1 (en) * | 2014-01-29 | 2015-08-06 | 华为技术有限公司 | Downlink data processing method, device and system |
| WO2017049970A1 (en) * | 2015-09-24 | 2017-03-30 | 中兴通讯股份有限公司 | Downlink data transmission method, serving gateways and system |
| WO2018027947A1 (en) * | 2016-08-12 | 2018-02-15 | 华为技术有限公司 | Data processing method and relevant device |
| WO2018068188A1 (en) * | 2016-10-10 | 2018-04-19 | 华为技术有限公司 | Method for sending downlink data, network device and user plane device |
| WO2018081994A1 (en) * | 2016-11-04 | 2018-05-11 | 华为技术有限公司 | Method, device and system for sending end marker |
| WO2018165982A1 (en) * | 2017-03-17 | 2018-09-20 | 华为技术有限公司 | Method for sending end marker |
| CN108882334A (en) * | 2017-08-11 | 2018-11-23 | 华为技术有限公司 | A kind of data transmission method, core network user face equipment and source base station |
| CN110419243A (en) * | 2017-04-06 | 2019-11-05 | 株式会社Ntt都科摩 | Communication system |
| US10524173B2 (en) | 2016-02-24 | 2019-12-31 | Cisco Technology, Inc. | System and method to facilitate sharing bearer information in a network environment |
| CN111786859A (en) * | 2020-07-17 | 2020-10-16 | 中国联合网络通信集团有限公司 | Packet loss detection method, device and storage medium |
| US11871449B2 (en) | 2018-08-15 | 2024-01-09 | Beijing Xiaomi Mobile Software Co., Ltd. | Backoff method and apparatus in transmission process, device, system, and storage medium |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101572929A (en) * | 2008-04-29 | 2009-11-04 | 大唐移动通信设备有限公司 | Method, device and system for transmitting messages in switching process |
| CN101572928A (en) * | 2008-04-30 | 2009-11-04 | 华为技术有限公司 | Switching method, communication system and associated equipment |
-
2010
- 2010-12-22 CN CN2010106018250A patent/CN102045802A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101572929A (en) * | 2008-04-29 | 2009-11-04 | 大唐移动通信设备有限公司 | Method, device and system for transmitting messages in switching process |
| CN101572928A (en) * | 2008-04-30 | 2009-11-04 | 华为技术有限公司 | Switching method, communication system and associated equipment |
Non-Patent Citations (1)
| Title |
|---|
| 3GPP: "LTE;General Packet Radio Service (GPRS) enhancements for Evolved Universal Terrestrial Radio Access Network (E-UTRAN) access(Release 8)", 《3GPP TS 23.401 VERSION 8.11.0 》 * |
Cited By (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103428792A (en) * | 2013-08-22 | 2013-12-04 | 大唐移动通信设备有限公司 | Cross-SGW (Serving Gateway) switching method and device |
| CN103428792B (en) * | 2013-08-22 | 2016-04-06 | 大唐移动通信设备有限公司 | A kind of across SGW changing method and equipment |
| WO2015113290A1 (en) * | 2014-01-29 | 2015-08-06 | 华为技术有限公司 | Downlink data processing method, device and system |
| WO2017049970A1 (en) * | 2015-09-24 | 2017-03-30 | 中兴通讯股份有限公司 | Downlink data transmission method, serving gateways and system |
| US10524173B2 (en) | 2016-02-24 | 2019-12-31 | Cisco Technology, Inc. | System and method to facilitate sharing bearer information in a network environment |
| WO2018027947A1 (en) * | 2016-08-12 | 2018-02-15 | 华为技术有限公司 | Data processing method and relevant device |
| CN111314973B (en) * | 2016-08-12 | 2021-12-14 | 华为技术有限公司 | Data processing method and related equipment |
| CN111314973A (en) * | 2016-08-12 | 2020-06-19 | 华为技术有限公司 | Data processing method and related equipment |
| CN109804647A (en) * | 2016-10-10 | 2019-05-24 | 华为技术有限公司 | Send method, the network equipment and the user face equipment of downlink data |
| WO2018068188A1 (en) * | 2016-10-10 | 2018-04-19 | 华为技术有限公司 | Method for sending downlink data, network device and user plane device |
| CN109804647B (en) * | 2016-10-10 | 2020-09-18 | 华为技术有限公司 | Method for sending downlink data, network equipment and user plane equipment |
| WO2018081994A1 (en) * | 2016-11-04 | 2018-05-11 | 华为技术有限公司 | Method, device and system for sending end marker |
| US11818645B2 (en) | 2016-11-04 | 2023-11-14 | Huawei Technologies Co., Ltd. | Method for sending end marker, device and system |
| CN109983803A (en) * | 2016-11-04 | 2019-07-05 | 华为技术有限公司 | Send the method, apparatus and system for terminating label |
| US10986557B2 (en) | 2016-11-04 | 2021-04-20 | Huawei Technologies Co., Ltd. | Method for sending end marker, device, and system |
| CN109983803B (en) * | 2016-11-04 | 2020-09-18 | 华为技术有限公司 | Method, device and system for sending end mark |
| CN110226344B (en) * | 2017-03-17 | 2020-11-17 | 华为技术有限公司 | Method for sending end mark and related equipment |
| CN110226344A (en) * | 2017-03-17 | 2019-09-10 | 华为技术有限公司 | A method of sending terminates label |
| US11140602B2 (en) | 2017-03-17 | 2021-10-05 | Huawei Technologies Co., Ltd. | End marker sending method |
| WO2018165982A1 (en) * | 2017-03-17 | 2018-09-20 | 华为技术有限公司 | Method for sending end marker |
| CN110419243A (en) * | 2017-04-06 | 2019-11-05 | 株式会社Ntt都科摩 | Communication system |
| US11109263B2 (en) | 2017-08-11 | 2021-08-31 | Huawei Technologies Co., Ltd. | Data transmission method and data transmission apparatus |
| CN108882334A (en) * | 2017-08-11 | 2018-11-23 | 华为技术有限公司 | A kind of data transmission method, core network user face equipment and source base station |
| US11917450B2 (en) | 2017-08-11 | 2024-02-27 | Huawei Technologies Co., Ltd. | Data transmission method and data transmission apparatus |
| US11871449B2 (en) | 2018-08-15 | 2024-01-09 | Beijing Xiaomi Mobile Software Co., Ltd. | Backoff method and apparatus in transmission process, device, system, and storage medium |
| CN111786859A (en) * | 2020-07-17 | 2020-10-16 | 中国联合网络通信集团有限公司 | Packet loss detection method, device and storage medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102045802A (en) | Data transmitting method in serving gateway (SGW) changing switching process, packet data network (PDN) gateway (PGW) and base station | |
| US10736001B2 (en) | Handover processing method and base station | |
| CN113423124B (en) | Method for supporting seamless switching and base station equipment | |
| CN103096294B (en) | Control the methods, devices and systems that Tunnel Identifier distributes | |
| WO2017124821A1 (en) | Method for realizing bearer switching, terminal, and base station | |
| CN104837127B (en) | Communication method performed by secondary base station and primary base station and corresponding base station | |
| US11963131B2 (en) | Notification method, apparatus, and communications system | |
| CN110636628A (en) | Information transmission method and device | |
| CN101370283A (en) | Method and apparatus for processing non-access layer message in switching course of evolution network | |
| CN111263416A (en) | Method and device for switching | |
| KR101911430B1 (en) | Switching of uplink user plane termination point of a serving gateway for a bearer in dual connectivity operation | |
| CN105338653A (en) | Method and equipment supporting UE bearing recovery | |
| US9961045B2 (en) | Service path changing method and apparatus | |
| CN101754373B (en) | Operating indication method, service gateway and core network system | |
| CN102098711A (en) | Method for optimizing switching and base station equipment | |
| CN102421145A (en) | Method and system for carrying out direct communication of data among base stations | |
| US20220353750A1 (en) | Method and device for supporting handover | |
| CN103139752A (en) | Transmission channel table modification method and device | |
| CN112105092A (en) | Method and device for processing data in dual-connection reestablishment | |
| CN103052173B (en) | The data processing method of transmission control protocol link and device | |
| CN102098654B (en) | Method, device and system for controlling local switch | |
| CN103079189B (en) | Method, device and system for controlling distribution of tunnel identifiers | |
| CN101583123B (en) | Handover method among packet switching domain systems, device and system | |
| JP2012143014A (en) | Mobile communication method, radio access apparatus, and gateway apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20110504 |