CN114867071A - Method for establishing QoS flow and DRB aggregation relation, electronic equipment and storage medium - Google Patents
Method for establishing QoS flow and DRB aggregation relation, electronic equipment and storage medium Download PDFInfo
- Publication number
- CN114867071A CN114867071A CN202210301370.3A CN202210301370A CN114867071A CN 114867071 A CN114867071 A CN 114867071A CN 202210301370 A CN202210301370 A CN 202210301370A CN 114867071 A CN114867071 A CN 114867071A
- Authority
- CN
- China
- Prior art keywords
- rab
- station
- drb
- qos flow
- aggregation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 37
- 230000002776 aggregation Effects 0.000 title claims abstract description 34
- 238000004220 aggregation Methods 0.000 title claims abstract description 34
- 238000004590 computer program Methods 0.000 claims description 6
- 238000013507 mapping Methods 0.000 claims description 6
- XHSQDZXAVJRBMX-UHFFFAOYSA-N 2-(5,6-dichlorobenzimidazol-1-yl)-5-(hydroxymethyl)oxolane-3,4-diol Chemical compound OC1C(O)C(CO)OC1N1C2=CC(Cl)=C(Cl)C=C2N=C1 XHSQDZXAVJRBMX-UHFFFAOYSA-N 0.000 claims description 3
- 230000004931 aggregating effect Effects 0.000 claims description 3
- 238000012545 processing Methods 0.000 abstract description 5
- 238000006116 polymerization reaction Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0055—Transmission or use of information for re-establishing the radio link
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/08—Reselecting an access point
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention provides a method for establishing a QoS flow and DRB aggregation relation, which is characterized in that in the process of switching an LTE station to an NR station, the QoS flow and E-RAB aggregation relation of a source LTE base station are mapped into the aggregation relation of the QoS flow and the DRB of a target NR base station through QoS flow and E-RAB information carried in a switching request. The invention can effectively reduce the complexity of data plane processing and reduce the risk of UE service data interruption.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a method for establishing a QoS flow and DRB aggregation relationship, an electronic device, and a storage medium, which are suitable for a 3GPP wireless NR system
Background
The relevant flow related to LTE HANDOVER defined in protocols 38.413, 36.413, 38.300 of 3GPP wireless systems is shown in fig. 1, where a destination NR station needs to admit a QoS flow carried in a HANDOVER REQUEST. Currently, the mapping modes of the 38.413 and 38.300 protocols are not specified.
Disclosure of Invention
Aiming at the problems in the prior art, the method for establishing the aggregation relationship between the QoS flow and the DRB, the electronic device and the storage medium are provided, the aggregation relationship between the QoS flow and the DRB of the home terminal can be generated, the complexity of data plane processing is reduced, and the risk of interruption of UE service data is reduced.
The technical scheme adopted by the invention is as follows: a method for establishing a polymerization relation between QoS flow and DRB is disclosed, in the process of switching LTE to NR base station, the target NR station obtains the QoS flow information to be established according to the information carried in the received switching request, and establishes the polymerization relation from the corresponding QoS flow to DRB.
Further, the NR base station acquires the aggregation relationship from the QoS flow to the E-RAB on the source LTE base station existing in the switching request, and uses the E-RAB as the DRB ID to complete the establishment of the aggregation relationship from the QoS flow to the DRB.
Further, in the NR base station, QoS flows with the same E-RAB are aggregated to the same DRB.
Further, the method also comprises the specific mapping steps of E-RAB and DRB in the process that the target NR station is switched to the NR station by the LTE station:
step 1, a target NR station receives a switching request sent by a source LTE station and decodes the switching request;
step 2, the target NR station acquires the related information of the needed PDU and the E-RAB ID information of the source LTE station according to the decoded switching request; the related information of the PDU comprises QoS flow and corresponding E-RAB information;
step 3, searching whether the ID exists in E-RAB ID information of the source LTE station or not according to the E-RAB ID corresponding to the QoS flow, if so, taking the E-RAB ID as a DRB ID, and aggregating the QoS flows corresponding to the same E-RAB ID into the DRB; and if the corresponding E-RAB ID which does not exist in the QoS flow or the corresponding E-RAB ID does not exist in the E-RAB ID information of the source LTE station, generating a new DRB aggregation relation according to the rule of the station.
The invention also provides an electronic device, which comprises a memory and a processor, wherein the memory stores a computer program which can be loaded by the processor and executes the method for establishing the aggregation relationship between the QoS flow and the DRB.
The present invention also provides a computer readable storage medium, on which computer program instructions are stored, where the program instructions are executed by a processor to implement the process corresponding to the above QoS flow and DRB aggregation relationship establishing method.
Compared with the prior art, the beneficial effects of adopting the technical scheme are as follows: the invention can effectively reduce the complexity of data plane processing and reduce the risk of UE service data interruption.
Drawings
Fig. 1 is a detailed flowchart of LTE handover to NR in the prior art.
Fig. 2 is a flowchart of a method for establishing a QoS flow and DRB aggregation relationship according to the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar modules or modules having the same or similar functionality throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application. On the contrary, the embodiments of the application include all changes, modifications and equivalents coming within the spirit and terms of the claims appended hereto.
Example 1
As shown in fig. 2, this embodiment provides a method for mapping a QoS flow aggregation relationship of a source LTE base station E-RAB to a destination NR base station DRB in a QoS flow admission process on the destination NR base station in an Inter Rat handover scenario, so as to generate an aggregation relationship between a user QoS flow of the destination NR base station and the DRB, reduce the processing complexity of the destination base station on a UE data channel, and reduce the risk of data flow interruption in a handover process. The specific scheme is as follows:
a method for establishing a polymerization relation between QoS flow and DRB is disclosed, in the process of switching LTE to NR base station, the target NR station obtains the QoS flow information to be established according to the information carried in the received switching request, and establishes the polymerization relation from the corresponding QoS flow to DRB.
Specifically, the NR base station acquires the aggregation relationship from the QoS flow to the E-RAB on the source LTE base station existing in the switching request, takes the E-RAB as the DRB ID, completes the establishment of the aggregation relationship from the QoS flow to the DRB, and aggregates the QoS flow with the same E-RAB to the same DRB.
The method comprises the steps that a PDU Session Resource Setup List, a PDU Session Resource Setup Item and a Handover REQUEST Transfer carried by a HANDOVER REQUEST (HANDOVER REQUEST) can be used for obtaining QoS flow information to be established, and an E-RAB ID in the QoS flow Setup REQUEST Item is an optional cell and is used for mapping with an E-RAB ID in a Source to Target transport content provider to indicate which QoS flows need to be forwarded.
In this embodiment, a mapping procedure of E-RAB and DRB, that is, a process of establishing an aggregation relationship between QoS flow and DRB, in the process of switching the target NR station to the NR station by the LTE station is specifically described as follows:
step 1, a target NR station receives a switching request sent by a source LTE station and decodes the switching request through an ASN;
step 2, the target NR station acquires the related information of the needed PDU and the E-RAB ID information of the source LTE station according to the decoded switching request; the related information of the PDU is obtained through a PDU Session Resource Setup List carried by the switching request, and mainly comprises basic PDU Session ID information, QoS flow, corresponding E-RAB related information and the like; the basic information of the E-RAB of the Source LTE station is obtained through a Source to Target transfer Container carried by the switching request, and comprises an E-RAB ID and the like.
Step 3, searching whether the ID exists in E-RAB ID information of the source LTE station or not according to the E-RAB ID corresponding to the QoS flow, if so, taking the E-RAB ID as a DRB ID, and aggregating the QoS flows corresponding to the same E-RAB ID into the DRB; and if the corresponding E-RAB ID which does not exist in the QoS flow or the corresponding E-RAB ID does not exist in the E-RAB ID information of the source LTE station, generating a new DRB aggregation relation according to the rule of the station.
In the process of switching the LTE station to the NR station, the QoS flow and the E-RAB aggregation relation of the source LTE station are mapped into the aggregation relation of the QoS flow and the DRB of the target NR base station through the QoS flow and the E-RAB information carried in the switching request, so that the data plane processing complexity and the data flow interruption risk in the switching process are reduced.
Example 2
The embodiment also provides an electronic device, which includes a memory and a processor, where the memory stores a computer program that can be loaded by the processor and executes the QoS flow and DRB aggregation relationship establishing method according to embodiment 1.
Example 3
The present invention further provides a computer readable storage medium, on which computer program instructions are stored, where the program instructions are executed by a processor to implement a process corresponding to the QoS flow and DRB aggregation relationship establishing method described in embodiment 1.
It should be noted that, in the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases by those skilled in the art; the drawings in the embodiments are used for clearly and completely describing the technical scheme in the embodiments of the invention, and obviously, the described embodiments are a part of the embodiments of the invention, but not all of the embodiments. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Although embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present application, and that variations, modifications, substitutions and alterations may be made to the above embodiments by those of ordinary skill in the art within the scope of the present application.
Claims (6)
1. A method for establishing a QoS flow and DRB aggregation relation is characterized in that in the process of switching an LTE station to an NR station, a target NR station establishes an aggregation relation from a QoS flow to a DRB according to the aggregation relation in a source LTE station carried in a received switching request.
2. The method for establishing the aggregation relationship between the Qos flows and the DRBs of claim 1, wherein the NR base station obtains the aggregation relationship from the Qos flows to the E-RAB on the source LTE base station where the handover request exists, and completes the establishment of the aggregation relationship from the Qos flows to the DRBs by using the E-RAB as the DRB ID.
3. The method of claim 2, wherein the Qos flows with the same E-RAB are aggregated to the same DRB in the NR base station.
4. The method for establishing a Qos flow and DRB aggregation relationship according to any one of claims 1 to 3, further comprising the specific step of mapping E-RAB and DRB in the process of handover of an LTE station to an NR station by a target NR station:
step 1, a target NR station receives a switching request sent by a source LTE station and decodes the switching request;
step 2, the target NR station acquires the related information of the needed PDU and the E-RAB ID information of the source LTE station according to the decoded switching request; the related information of the PDU comprises QoS flow and corresponding E-RAB information;
step 3, searching whether the ID exists in E-RAB ID information of the source LTE station or not according to the E-RAB ID corresponding to the QoS flow, if so, taking the E-RAB ID as a DRB ID, and aggregating the QoS flows corresponding to the same E-RAB ID into the DRB; and if the corresponding E-RAB ID which does not exist in the QoS flow or the corresponding E-RAB ID does not exist in the E-RAB ID information of the source LTE station, generating a new DRB aggregation relation according to the rule of the station.
5. An electronic device, comprising a memory and a processor, wherein the memory stores a computer program capable of being loaded by the processor and executing the method for establishing QoS flow and DRB aggregation relation according to any one of claims 1 to 4.
6. A computer readable storage medium having stored thereon computer program instructions, wherein the program instructions, when executed by a processor, are configured to implement the procedure corresponding to the QoS flow and DRB aggregation relation establishment method according to any one of claims 1 to 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210301370.3A CN114867071B (en) | 2022-03-25 | QoS flow and DRB aggregation relation establishment method, electronic equipment and storage medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210301370.3A CN114867071B (en) | 2022-03-25 | QoS flow and DRB aggregation relation establishment method, electronic equipment and storage medium |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114867071A true CN114867071A (en) | 2022-08-05 |
| CN114867071B CN114867071B (en) | 2024-10-29 |
Family
ID=
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110243077A1 (en) * | 2010-03-31 | 2011-10-06 | Fujitsu Limited | Base station apparatus, base radio transmission method in base station apparatus, and radio communication system |
| US20140348129A1 (en) * | 2013-05-24 | 2014-11-27 | Telefonaktiebolaget L M Ericsson (Publ) | Method, apparatus, system, computer program and computer program products for providing a plmn identifier to a node of a ran |
| CN105517067A (en) * | 2015-11-26 | 2016-04-20 | 京信通信技术(广州)有限公司 | Switching method and system based on carrier aggregation |
| CN108632917A (en) * | 2017-03-21 | 2018-10-09 | 电信科学技术研究院 | A kind of bearing mapping method, access network entity and SMF |
| CN109219094A (en) * | 2017-07-04 | 2019-01-15 | 中兴通讯股份有限公司 | Base station switching and example allocation method, rlc protocol realize equipment, base station and terminal |
| CN109429288A (en) * | 2017-06-28 | 2019-03-05 | 大唐移动通信设备有限公司 | The processing method of E-RAB establishment process and the concurrent scene of across base station handoff procedure |
| US20190215735A1 (en) * | 2016-08-12 | 2019-07-11 | China Academy Of Telecommunications Technology | METHOD AND DEVICE FOR PROCESSING Quality of Service PARAMETER IN Handover SCENARIO |
| CN110868733A (en) * | 2018-08-28 | 2020-03-06 | 华为技术有限公司 | Data transmission method and device |
| CN113747524A (en) * | 2020-05-29 | 2021-12-03 | 北京三星通信技术研究有限公司 | Method and apparatus for supporting handover |
| WO2022006907A1 (en) * | 2020-07-10 | 2022-01-13 | 华为技术有限公司 | Communication method and apparatus |
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110243077A1 (en) * | 2010-03-31 | 2011-10-06 | Fujitsu Limited | Base station apparatus, base radio transmission method in base station apparatus, and radio communication system |
| US20140348129A1 (en) * | 2013-05-24 | 2014-11-27 | Telefonaktiebolaget L M Ericsson (Publ) | Method, apparatus, system, computer program and computer program products for providing a plmn identifier to a node of a ran |
| CN105517067A (en) * | 2015-11-26 | 2016-04-20 | 京信通信技术(广州)有限公司 | Switching method and system based on carrier aggregation |
| US20190215735A1 (en) * | 2016-08-12 | 2019-07-11 | China Academy Of Telecommunications Technology | METHOD AND DEVICE FOR PROCESSING Quality of Service PARAMETER IN Handover SCENARIO |
| CN108632917A (en) * | 2017-03-21 | 2018-10-09 | 电信科学技术研究院 | A kind of bearing mapping method, access network entity and SMF |
| CN109429288A (en) * | 2017-06-28 | 2019-03-05 | 大唐移动通信设备有限公司 | The processing method of E-RAB establishment process and the concurrent scene of across base station handoff procedure |
| CN109219094A (en) * | 2017-07-04 | 2019-01-15 | 中兴通讯股份有限公司 | Base station switching and example allocation method, rlc protocol realize equipment, base station and terminal |
| CN110868733A (en) * | 2018-08-28 | 2020-03-06 | 华为技术有限公司 | Data transmission method and device |
| CN113747524A (en) * | 2020-05-29 | 2021-12-03 | 北京三星通信技术研究有限公司 | Method and apparatus for supporting handover |
| WO2022006907A1 (en) * | 2020-07-10 | 2022-01-13 | 华为技术有限公司 | Communication method and apparatus |
Non-Patent Citations (4)
| Title |
|---|
| LG ELECTRONICS: "R3-202427 "Consideration on FFSs for DAPS handover"", 3GPP TSG_RAN\\WG3_IU, no. 3, 10 April 2020 (2020-04-10) * |
| NOKIA等: ""R3-174525_Intersystem4g5g38300"", 3GPP TSG_RAN\\WG3_IU, 18 November 2017 (2017-11-18) * |
| 杨春德;靳杰;: "LTE网络S1切换中E-RAB管理的策略研究", 数字通信, no. 04, 25 August 2013 (2013-08-25) * |
| 裴旭明;贾建鑫;钱骅;朱正航;唐振宇;康凯;: "5G双连接场景下的低传输时延切换机制", 通信学报, no. 04, 25 April 2019 (2019-04-25) * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110035461B (en) | Communication method, access network equipment and terminal equipment | |
| US9426689B2 (en) | Control and data plane solutions for carrier-aggregation based WLAN offload | |
| US12063560B2 (en) | Systems and methods of handing over a wireless device | |
| US8285290B2 (en) | Optimized resource allocation for wireless device in packet transfer mode | |
| CN108347748B (en) | Method, device and system for acquiring quality of service parameters | |
| US8270980B2 (en) | Controlling handover | |
| EP2832172B1 (en) | Systems and methods for registration and maintenance of wireless clients via a proxy wireless network service. | |
| JP2021530153A (en) | Communications system | |
| KR20180039639A (en) | Multiple Broadband Subscription Sharing | |
| US11910488B2 (en) | Enhancement of feature support after interworking | |
| CN102714823B (en) | For the optimized allocation of resources of the wireless device under packet transfer mode | |
| US9980123B2 (en) | Node and method for providing authentication of a wireless device in a roaming state | |
| WO2017008402A1 (en) | Method for authenticated access, base station, and terminal | |
| CN114867071B (en) | QoS flow and DRB aggregation relation establishment method, electronic equipment and storage medium | |
| CN114867071A (en) | Method for establishing QoS flow and DRB aggregation relation, electronic equipment and storage medium | |
| CN102740421B (en) | A kind of Poewr control method and system | |
| WO2024016277A1 (en) | Method, device, and system for congestion control in wireless networks | |
| US20230051641A1 (en) | Enhanced 3gpp session establishment procedure | |
| WO2022133852A1 (en) | Paging method and apparatus, and storage medium | |
| KR101451394B1 (en) | Device and method for providing vocie call continuity service | |
| AU2022470393A1 (en) | Method, device, and system for congestion control in wireless networks | |
| WO2021056317A1 (en) | Methods and apparatuses for compressing and processing ethernet packet header |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant |