CN109565724B - Switching processing method, network equipment and computer storage medium - Google Patents
Switching processing method, network equipment and computer storage medium Download PDFInfo
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- 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
- H04W36/0016—Hand-off preparation specially adapted for end-to-end data sessions
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
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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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Abstract
The invention discloses a switching processing method, network equipment and a computer storage medium, wherein the method comprises the following steps: when a target terminal needs to be switched to a second network device, acquiring a first version of a PDCP (packet data convergence protocol) used by a target bearer of the target terminal; generating first information based on a first version of PDCP used by a target bearer of the target terminal, and sending the first information to the second network equipment; and receiving second information sent by the second network equipment, and performing switching processing on the target terminal based on the second information.
Description
Technical Field
The present invention relates to the field of communication processing technologies, and in particular, to a handover processing method, a network device, and a computer storage medium.
Background
Due to the introduction of the 5G system, for a radio bearer on an L TE base station, there may be two forms, respectively, a PDCP layer of L TE version, a lower layer of R L C and a MAC layer of L TE version, and a PDCP layer of NR version, a lower layer of R L C and a MAC layer of L TE version.
Disclosure of Invention
To solve the foregoing technical problem, embodiments of the present invention provide a handover processing method, a network device, and a computer storage medium.
The handover processing method provided by the embodiment of the invention is applied to first network equipment, and comprises the following steps:
when a target terminal needs to be switched to a second network device, acquiring a first version of a PDCP (packet data convergence protocol) used by a target bearer of the target terminal;
generating first information based on a first version of PDCP used by a target bearer of the target terminal, and sending the first information to the second network equipment;
and receiving second information sent by the second network equipment, and performing switching processing on the target terminal based on the second information.
In the foregoing solution, the first information at least includes indication information of a first PDCP version corresponding to a target bearer of the target terminal.
In the foregoing solution, the performing handover processing on the target terminal based on the second information includes:
and sending the second information to a target terminal.
In the foregoing solution, the second information includes: the second network device supports the indication information of the first version of the PDCP.
In the foregoing solution, the second information includes: the second network device does not support the information of the first version of PDCP and the second network device indicates that the target terminal needs to use the information of the target version of PDCP.
In the foregoing solution, the second information includes: the second network device indicates a PDCP target version used by the target terminal.
In the above solution, the first network device is different from the second network device, and the first network device and the second network device belong to different RATs respectively.
The embodiment of the invention provides a switching processing method, which is applied to second network equipment and comprises the following steps:
receiving first information sent by a first network device, wherein the first information at least includes indication information of a first version of PDCP corresponding to a target bearer of the target terminal;
generating second information aiming at the target terminal based on the first information;
and sending the second information to the first network equipment.
In the foregoing solution, the generating the second information for the target terminal includes:
generating second information indicating a PDCP target version used by the target terminal.
In the foregoing solution, the generating second information for the target terminal based on the first information includes:
acquiring a first version of PDCP used by a target bearer of the target terminal from the first information;
judging whether the first version of the PDCP is supported or not to obtain a judgment result;
when the judgment result is that the first version of the PDCP is supported, adding indication information supporting the first version of the PDCP in the second information;
and when the judgment result is that the first version of the PDCP is not supported, adding information indicating that the second terminal needs to use the target version of the PDCP into the second information.
In the above solution, the first network device is different from the second network device, and the first network device and the second network device belong to different RATs respectively.
An embodiment of the present invention provides a first network device, including:
the first processing unit is used for acquiring a first PDCP version used by a target bearer of a target terminal when the target terminal needs to be switched to second network equipment; generating first information based on a PDCP first version used by a target bearer of the target terminal; and performing handover processing on the target terminal based on the second information;
a first communication unit that transmits the first information to the second network device; and receiving second information sent by the second network equipment.
In the foregoing solution, the first information at least includes indication information of a first PDCP version corresponding to a target bearer of the target terminal.
In the above scheme, the first processing unit sends the second information to the target terminal through the first communication unit.
In the foregoing solution, the second information includes: the second network device supports the indication information of the first version of the PDCP.
In the foregoing solution, the second information includes: the second network device does not support the information of the first version of PDCP and the second network device indicates that the target terminal needs to use the information of the target version of PDCP.
In the foregoing solution, the second information includes: the second network device indicates a PDCP target version used by the target terminal.
In the above solution, the first network device is different from the second network device, and the first network device and the second network device belong to different RATs respectively.
An embodiment of the present invention provides a second network device, including:
a second communication unit, configured to receive first information sent by a first network device, where the first information at least includes indication information of a first version of PDCP corresponding to a target bearer of the target terminal; sending the second information to the first network device;
and the second processing unit generates second information aiming at the target terminal based on the first information.
In the foregoing solution, the second processing unit generates second information indicating a PDCP target version used by the target terminal.
In the above scheme, the second processing unit obtains a first version of PDCP used by a target bearer of the target terminal from the first information;
judging whether the first version of the PDCP is supported or not to obtain a judgment result;
when the judgment result is that the first version of the PDCP is supported, adding indication information supporting the first version of the PDCP in the second information;
and when the judgment result is that the first version of the PDCP is not supported, adding information indicating that the second terminal needs to use the target version of the PDCP into the second information.
In the above solution, the first network device is different from the second network device, and the first network device and the second network device belong to different RATs respectively.
An embodiment of the present invention provides a network device, including: a processor and a memory for storing a computer program capable of running on the processor,
wherein the processor is configured to perform the steps of the aforementioned method when running the computer program.
Embodiments of the present invention provide a computer storage medium, which stores computer-executable instructions, and when executed, implement the foregoing method steps.
According to the technical scheme of the embodiment of the invention, when the target terminal needs to be switched, the first network equipment corresponding to the target terminal sends the PDCP version of the target bearer of the target terminal to the second network equipment, and then the target terminal is switched according to the second information sent by the second network equipment. Therefore, the second network device can acquire the PDCP version of the target terminal during handover processing, so that the second network device is guaranteed to prefer the current PDCP version of the target terminal when determining the second information, and problems such as bearer interruption and packet loss caused by reconfiguration of the PDCP version during handover of the target terminal can be reduced.
Drawings
Fig. 1 is a schematic flow chart of a handover processing method according to an embodiment of the present invention 1;
fig. 2 is a schematic flow chart of a handover processing method according to an embodiment of the present invention 2;
fig. 3 is a schematic diagram 1 of a network device according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a network device structure according to an embodiment of the present invention, shown in FIG. 2;
fig. 5 is a schematic diagram of a hardware architecture according to an embodiment of the present invention.
Detailed Description
So that the manner in which the features and aspects of the embodiments of the present invention can be understood in detail, a more particular description of the embodiments of the invention, briefly summarized above, may be had by reference to the embodiments, some of which are illustrated in the appended drawings.
The first embodiment,
An embodiment of the present invention provides a handover processing method, which is applied to a first network device, and as shown in fig. 1, the handover processing method includes:
step 101: when a target terminal needs to be switched to a second network device, acquiring a first version of a PDCP (packet data convergence protocol) used by a target bearer of the target terminal;
step 102: generating first information based on a first version of PDCP used by a target bearer of the target terminal, and sending the first information to the second network equipment;
step 103: and receiving second information sent by the second network equipment, and performing switching processing on the target terminal based on the second information.
Here, the first network device may be a base station to which a target terminal is currently connected, that is, an original base station providing a service for the target terminal; the second network device may be a base station to which the target terminal is to be handed over, that is, a target base station selected when the target terminal is handed over.
Further, the first network device is different from a second network device, and the first network device and the second network device belong to different rats, respectively, for example, two network devices, i.e. two base stations, may belong to L TE and NR, respectively.
In the foregoing step 101, the target bearer of the target terminal may be a bearer currently used by the target terminal, and the PDCP version may include L TE PDCP version, or may include NR PDCP version, etc.
In the step 102, in generating the first information, the first information may include: and the target of the target terminal carries the indication information of the corresponding PDCP first version.
That is, the first network device first sends, to the second network device (i.e., the target base station of the target terminal), a version used by the current bearer of the target terminal, where the version may include identification information of the target terminal and identification information of the PDCP version. Of course, other information may be included, which is not described herein again.
It should be understood that, after the foregoing step 102 is completed, the second network device can perform corresponding processing according to the received first information; for example, it may include: extracting a PDCP version used by a target bearer of a target terminal from the first information as a PDCP first version;
and then judging whether the first version of the PDCP is supported or not based on the self-capability to obtain a judgment result.
Further, after the second network device determines that the determination result is obtained, there may be a plurality of processing manners:
in a first manner, when the determination result indicates that the second network device supports the first PDCP version, the information indicating that the target terminal uses the first PDCP version may be sent to the first network device as the second information. The second information includes: the second network device supports the indication information of the first version of the PDCP.
In a second manner, when the determination result indicates that the second network device does not support the first PDCP version, the information that the second network device does not support the first PDCP version and the information that the second network device indicates that the target terminal needs to use the target PDCP version may be used as the second information. That is, the second information includes information that the second network device does not support the first version of PDCP and information that the second network device indicates that the target terminal needs to use the target version of PDCP.
In a third manner, whether the determination result is supported or not, the second network device may send only the PDCP version that the target terminal is allowed to use to the target terminal, that is, the second network device may send the PDCP target version that the target terminal is indicated to use by the second network device as the second information to the first network device. At this time, the second information includes a PDCP target version used by the target terminal indicated by the second network device.
Specifically, when the second network device supports the PDCP first version, then the PDCP target version in the second information may be the PDCP first version; when the second network device part supports the first version of PDCP, then the PDCP target version in the second information may be the second version of PDCP.
In step 103, the target terminal is switched based on the second information, specifically, the second information may be sent to the target terminal, so that the target terminal can determine whether to change the PDCP version based on the second information.
In summary, in the solution provided in this embodiment, in the handover process of the target terminal, the original network node (i.e., the first network device) in the target can send information to the target node (i.e., the second network device), where the information indicates a PDCP version used for the current bearer, for example, the information may be a first PDCP version;
after the target base station receives the message, it is confirmed that the target base station can use the PDCP entity of the same version to serve the current bearer, and if the target base station cannot use the PDCP entity of the current version preferentially, the target base station sends the target version of the PDCP entity supported by the target base station through the first network device, so that the target terminal switches the PDCP entity.
By adopting the above scheme, when the target terminal needs to be switched, the first network device corresponding to the target terminal sends the PDCP version of the target bearer of the target terminal to the second network device, and then the target terminal is switched according to the second information sent by the second network device. Therefore, the second network device can acquire the PDCP version of the target terminal during handover processing, so that the second network device is guaranteed to prefer the current PDCP version of the target terminal when determining the second information, and problems such as bearer interruption and packet loss caused by reconfiguration of the PDCP version during handover of the target terminal can be reduced.
Example II,
An embodiment of the present invention provides a handover processing method, which is applied to a second network device, and as shown in fig. 2, the handover processing method includes:
step 201: receiving first information sent by a first network device, wherein the first information at least includes indication information of a first version of PDCP corresponding to a target bearer of the target terminal;
step 202: generating second information aiming at the target terminal based on the first information;
step 203: and sending the second information to the first network equipment.
Here, the first network device may be a base station to which a target terminal is currently connected, that is, an original base station providing a service for the target terminal; the second network device may be a base station to which the target terminal is to be handed over, that is, a target base station selected when the target terminal is handed over.
Further, the first network device is different from a second network device, and the first network device and the second network device belong to different rats, respectively, for example, two network devices, i.e. two base stations, may belong to L TE and NR, respectively.
The PDCP version may include L TE PDCP version, or NR PDCP version, etc. the PDCP first version may be either L TE PDCP or NR PDCP.
The first network device first sends a version used by a current bearer of a target terminal to a second network device (i.e., a target base station of the target terminal), where the first information may include identification information of the target terminal and identification information of a PDCP version. Of course, other information may be included, which is not described herein again.
It should be understood that the second network device can perform corresponding processing according to the received first information; for example, generating the second information for the target terminal based on the first information may include the following various processing manners:
and generating second information indicating a PDCP target version used by the target terminal in a first processing mode.
That is, determining whether the first version of PDCP is supported by itself according to the first version of PDCP, and if so, sending the first version of PDCP as the target version as the second information to the first network device; if not, the second version of the PDCP may be used as the target version, and then the target version of the PDCP may be added to the second information and sent to the first network device.
Judging whether the first version of the PDCP is supported or not to obtain a judgment result;
when the judgment result is that the first version of the PDCP is supported, adding indication information supporting the first version of the PDCP in the second information;
and when the judgment result is that the first version of the PDCP is not supported, adding information indicating that the second terminal needs to use the target version of the PDCP into the second information.
The first difference from the first processing mode is that when the second network device supports the first version of PDCP, only one indication information may be selected to be sent to the first network device, and the indication information may only indicate that the target terminal is allowed to keep the first version of PDCP unchanged; the PDCP target version may be the second version of PDCP, which is different from the first version, and only when the second network device does not support the first version of PDCP.
In summary, in the solution provided in this embodiment, in the handover process of the target terminal, the original network node (i.e., the first network device) in the target can send information to the target node (i.e., the second network device), where the information indicates a PDCP version used for the current bearer, for example, the information may be a first PDCP version;
after the target base station receives the message, it is confirmed that the target base station can use the PDCP entity of the same version to serve the current bearer, and if the target base station cannot use the PDCP entity of the current version preferentially, the target base station sends the target version of the PDCP entity supported by the target base station through the first network device, so that the target terminal switches the PDCP entity.
By adopting the above scheme, when the target terminal needs to be switched, the first network device corresponding to the target terminal sends the PDCP version of the target bearer of the target terminal to the second network device, and then the target terminal is switched according to the second information sent by the second network device. Therefore, the second network device can acquire the PDCP version of the target terminal during handover processing, so that the second network device is guaranteed to prefer the current PDCP version of the target terminal when determining the second information, and problems such as bearer interruption and packet loss caused by reconfiguration of the PDCP version during handover of the target terminal can be reduced.
Example III,
An embodiment of the present invention provides a first network device, as shown in fig. 3, including:
a first processing unit 31, configured to obtain a first PDCP version used by a target bearer of a target terminal when the target terminal needs to be switched to a second network device; generating first information based on a PDCP first version used by a target bearer of the target terminal; and performing handover processing on the target terminal based on the second information;
a first communication unit 32 that transmits the first information to the second network device; and receiving second information sent by the second network equipment.
Here, the first network device may be a base station to which a target terminal is currently connected, that is, an original base station providing a service for the target terminal; the second network device may be a base station to which the target terminal is to be handed over, that is, a target base station selected when the target terminal is handed over.
Further, the first network device is different from a second network device, and the first network device and the second network device belong to different rats, respectively, for example, two network devices, i.e. two base stations, may belong to L TE and NR, respectively.
The target bearer of the target terminal may be a bearer currently used by the target terminal, and the PDCP version may include L TE PDCP version, or may include NR PDCP version, etc.
The first information may include: and the target of the target terminal carries the indication information of the corresponding PDCP first version.
That is, the first network device first sends, to the second network device (i.e., the target base station of the target terminal), a version used by the current bearer of the target terminal, where the version may include identification information of the target terminal and identification information of the PDCP version. Of course, other information may be included, which is not described herein again.
It should be understood that the second network device can perform corresponding processing according to the received first information; for example, it may include: extracting a PDCP version used by a target bearer of a target terminal from the first information as a PDCP first version;
and then judging whether the first version of the PDCP is supported or not based on the self-capability to obtain a judgment result.
Further, after the second network device determines that the determination result is obtained, there may be a plurality of processing manners:
in a first manner, when the determination result indicates that the second network device supports the first PDCP version, the information indicating that the target terminal uses the first PDCP version may be sent to the first network device as the second information. The second information includes: the second network device supports the indication information of the first version of the PDCP.
In a second manner, when the determination result indicates that the second network device does not support the first PDCP version, the information that the second network device does not support the first PDCP version and the information that the second network device indicates that the target terminal needs to use the target PDCP version may be used as the second information. That is, the second information includes information that the second network device does not support the first version of PDCP and information that the second network device indicates that the target terminal needs to use the target version of PDCP.
In a third manner, whether the determination result is supported or not, the second network device may send only the PDCP version that the target terminal is allowed to use to the target terminal, that is, the second network device may send the PDCP target version that the target terminal is indicated to use by the second network device as the second information to the first network device. At this time, the second information includes a PDCP target version used by the target terminal indicated by the second network device.
Specifically, when the second network device supports the PDCP first version, then the PDCP target version in the second information may be the PDCP first version; when the second network device part supports the first version of PDCP, then the PDCP target version in the second information may be the second version of PDCP.
In step 103, the target terminal is switched based on the second information, specifically, the second information may be sent to the target terminal, so that the target terminal can determine whether to change the PDCP version based on the second information.
In summary, in the solution provided in this embodiment, in the handover process of the target terminal, the original network node (i.e., the first network device) in the target can send information to the target node (i.e., the second network device), where the information indicates a PDCP version used for the current bearer, for example, the information may be a first PDCP version;
after the target base station receives the message, it is confirmed that the target base station can use the PDCP entity of the same version to serve the current bearer, and if the target base station cannot use the PDCP entity of the current version preferentially, the target base station sends the target version of the PDCP entity supported by the target base station through the first network device, so that the target terminal switches the PDCP entity.
By adopting the above scheme, when the target terminal needs to be switched, the first network device corresponding to the target terminal sends the PDCP version of the target bearer of the target terminal to the second network device, and then the target terminal is switched according to the second information sent by the second network device. Therefore, the second network device can acquire the PDCP version of the target terminal during handover processing, so that the second network device is guaranteed to prefer the current PDCP version of the target terminal when determining the second information, and problems such as bearer interruption and packet loss caused by reconfiguration of the PDCP version during handover of the target terminal can be reduced.
Example four,
An embodiment of the present invention provides a second network device, as shown in fig. 4, including:
a second communication unit 41, configured to receive first information sent by a first network device, where the first information at least includes indication information of a first PDCP version corresponding to a target bearer of the target terminal; sending the second information to the first network device;
and a second processing unit 42 for generating second information for the target terminal based on the first information.
Here, the first network device may be a base station to which a target terminal is currently connected, that is, an original base station providing a service for the target terminal; the second network device may be a base station to which the target terminal is to be handed over, that is, a target base station selected when the target terminal is handed over.
Further, the first network device is different from a second network device, and the first network device and the second network device belong to different rats, respectively, for example, two network devices, i.e. two base stations, may belong to L TE and NR, respectively.
The PDCP version may include L TE PDCP version, or NR PDCP version, etc. the PDCP first version may be either L TE PDCP or NR PDCP.
The first network device first sends a version used by a current bearer of a target terminal to a second network device (i.e., a target base station of the target terminal), where the first information may include identification information of the target terminal and identification information of a PDCP version. Of course, other information may be included, which is not described herein again.
It should be understood that the second network device can perform corresponding processing according to the received first information; for example, generating the second information for the target terminal based on the first information may include the following various processing manners:
the first processing unit 42 generates second information indicating a PDCP target version used by the target terminal.
That is, determining whether the first version of PDCP is supported by itself according to the first version of PDCP, and if so, sending the first version of PDCP as the target version as the second information to the first network device; if not, the second version of the PDCP may be used as the target version, and then the target version of the PDCP may be added to the second information and sent to the first network device.
A second processing unit 42, configured to determine whether the first PDCP version is supported, and obtain a determination result;
when the judgment result is that the first version of the PDCP is supported, adding indication information supporting the first version of the PDCP in the second information;
and when the judgment result is that the first version of the PDCP is not supported, adding information indicating that the second terminal needs to use the target version of the PDCP into the second information.
The first difference from the first processing mode is that when the second network device supports the first version of PDCP, only one indication information may be selected to be sent to the first network device, and the indication information may only indicate that the target terminal is allowed to keep the first version of PDCP unchanged; the PDCP target version may be the second version of PDCP, which is different from the first version, and only when the second network device does not support the first version of PDCP.
In summary, in the solution provided in this embodiment, in the handover process of the target terminal, the original network node (i.e., the first network device) in the target can send information to the target node (i.e., the second network device), where the information indicates a PDCP version used for the current bearer, for example, the information may be a first PDCP version;
after the target base station receives the message, it is confirmed that the target base station can use the PDCP entity of the same version to serve the current bearer, and if the target base station cannot use the PDCP entity of the current version preferentially, the target base station sends the target version of the PDCP entity supported by the target base station through the first network device, so that the target terminal switches the PDCP entity.
By adopting the above scheme, when the target terminal needs to be switched, the first network device corresponding to the target terminal sends the PDCP version of the target bearer of the target terminal to the second network device, and then the target terminal is switched according to the second information sent by the second network device. Therefore, the second network device can acquire the PDCP version of the target terminal during handover processing, so that the second network device is guaranteed to prefer the current PDCP version of the target terminal when determining the second information, and problems such as bearer interruption and packet loss caused by reconfiguration of the PDCP version during handover of the target terminal can be reduced.
An embodiment of the present invention further provides a network device, which may be a hardware composition architecture of the first network device or the second network device in the first to fourth embodiments, as shown in fig. 5, and includes: at least one processor 51, a memory 52, at least one network interface 53. The various components are coupled together by a bus system 54. It will be appreciated that the bus system 54 is used to enable communications among the components. The bus system 54 includes a power bus, a control bus, and a status signal bus in addition to the data bus. For clarity of illustration, however, the various buses are labeled as bus system 54 in fig. 5.
It will be appreciated that the memory 52 in embodiments of the invention may be either volatile memory or nonvolatile memory, or may include both volatile and nonvolatile memory.
In some embodiments, memory 52 stores the following elements, executable modules or data structures, or a subset thereof, or an expanded set thereof:
an operating system 521 and application programs 522.
Wherein the processor 51 is configured to: the method steps of the first embodiment or the second embodiment can be processed, and are not described again here.
In an embodiment of the present invention, a computer storage medium is provided, where computer-executable instructions are stored, and when executed, the computer-executable instructions implement the method steps of the first embodiment or the second embodiment.
The device according to the embodiment of the present invention may also be stored in a computer-readable storage medium if it is implemented in the form of a software functional module and sold or used as an independent product. Based on such understanding, the technical solutions of the embodiments of the present invention may be essentially implemented or a part contributing to the prior art may be embodied in the form of a software product, which is stored in a storage medium and includes several instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the methods described in the embodiments of the present invention. And the aforementioned storage medium includes: various media capable of storing program codes, such as a usb disk, a removable hard disk, a Read Only Memory (ROM), a magnetic disk, or an optical disk. Thus, embodiments of the invention are not limited to any specific combination of hardware and software.
Correspondingly, the embodiment of the present invention further provides a computer storage medium, in which a computer program is stored, and the computer program is configured to execute the data scheduling method of the embodiment of the present invention.
Although the preferred embodiments of the present invention have been disclosed for illustrative purposes, those skilled in the art will appreciate that various modifications, additions and substitutions are possible, and the scope of the invention should not be limited to the embodiments described above.
Claims (22)
1. A switching processing method is applied to a first network device and comprises the following steps:
when a target terminal needs to be switched to a second network device, acquiring a first version of a PDCP (packet data convergence protocol) used by a target bearer of the target terminal;
generating first information based on a first version of PDCP used by a target bearer of the target terminal, and sending the first information to the second network equipment;
and receiving second information sent by the second network equipment, and sending the second information to the target terminal so that the target terminal can determine whether to convert the PDCP version or not based on the second information.
2. The method of claim 1, wherein the first information at least includes indication information of a first version of PDCP corresponding to a target bearer of the target terminal.
3. The method of claim 1, wherein the second information comprises: the second network device supports the indication information of the first version of the PDCP.
4. The method of claim 1, wherein the second information comprises: the second network device does not support the information of the first version of PDCP and the second network device indicates that the target terminal needs to use the information of the target version of PDCP.
5. The method of claim 1, wherein the second information comprises: the second network device indicates a PDCP target version used by the target terminal.
6. The method of claim 1, wherein the first network device is different from a second network device, and the first network device and the second network device each belong to a different RAT.
7. A switching processing method is applied to a second network device and comprises the following steps:
receiving first information sent by a first network device, wherein the first information at least comprises indication information of a first version of PDCP corresponding to a target bearer of a target terminal;
generating second information aiming at the target terminal based on the first information;
and sending the second information to the first network equipment so that the first network equipment sends the second information to the target terminal, wherein the second information is used for the target terminal to determine whether to convert the PDCP version.
8. The method of claim 7, wherein the generating second information for the target terminal comprises:
generating second information indicating a PDCP target version used by the target terminal.
9. The method of claim 7, wherein the generating second information for the target terminal based on the first information comprises:
acquiring a first version of PDCP used by a target bearer of the target terminal from the first information;
judging whether the first version of the PDCP is supported or not to obtain a judgment result;
when the judgment result is that the first version of the PDCP is supported, adding indication information supporting the first version of the PDCP in the second information;
and when the judgment result is that the first version of the PDCP is not supported, adding information indicating that the target terminal needs to use the target version of the PDCP into the second information.
10. The method of claim 7, wherein the first network device is different from a second network device, and the first network device and the second network device each belong to a different RAT.
11. A first network device, comprising:
the first processing unit is used for acquiring a first PDCP version used by a target bearer of a target terminal when the target terminal needs to be switched to second network equipment; generating first information based on a PDCP first version used by a target bearer of the target terminal; and performing handover processing on the target terminal based on the second information;
a first communication unit that transmits the first information to the second network device; and receiving second information sent by the second network equipment, and sending the second information to the target terminal so that the target terminal can determine whether to convert the PDCP version or not based on the second information.
12. The first network device of claim 11, wherein the first information at least includes indication information of a first version of PDCP corresponding to a target bearer of the target terminal.
13. The first network device of claim 11, wherein the second information comprises: the second network device supports the indication information of the first version of the PDCP.
14. The first network device of claim 11, wherein the second information comprises: the second network device does not support the information of the first version of PDCP and the second network device indicates that the target terminal needs to use the information of the target version of PDCP.
15. The first network device of claim 11, wherein the second information comprises: the second network device indicates a PDCP target version used by the target terminal.
16. The first network device of claim 11, wherein the first network device is different from a second network device, and the first network device and the second network device each belong to a different RAT.
17. A second network device, comprising:
a second communication unit, configured to receive first information sent by a first network device, where the first information at least includes indication information of a first version of a PDCP entity corresponding to a target bearer of a target terminal; sending second information to the first network equipment, so that the first network equipment sends the second information to the target terminal, wherein the second information is used for the target terminal to determine whether to convert a PDCP version;
and the second processing unit generates second information aiming at the target terminal based on the first information.
18. The second network device of claim 17, wherein the second processing unit generates second information indicating a PDCP target version used by the target terminal.
19. The second network device of claim 17, wherein the second processing unit obtains a first version of PDCP used by a target bearer of the target terminal from the first information;
judging whether the first version of the PDCP is supported or not to obtain a judgment result;
when the judgment result is that the first version of the PDCP is supported, adding indication information supporting the first version of the PDCP in the second information;
and when the judgment result is that the first version of the PDCP is not supported, adding information indicating that the target terminal needs to use the target version of the PDCP into the second information.
20. The second network device of claim 17, wherein the first network device is different from a second network device, and the first network device and the second network device each belong to a different RAT.
21. A network device, comprising: a processor and a memory for storing a computer program capable of running on the processor,
wherein the processor is adapted to perform the steps of the method of any one of claims 1-10 when running the computer program.
22. A computer storage medium storing computer-executable instructions that, when executed, implement the method steps of any of claims 1-10.
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| Application Number | Priority Date | Filing Date | Title |
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| PCT/CN2017/110930 WO2019095110A1 (en) | 2017-11-14 | 2017-11-14 | Switching method, network device, and computer storage medium |
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| CN109565724B true CN109565724B (en) | 2020-07-28 |
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| CN101026857A (en) * | 2006-02-17 | 2007-08-29 | 中兴通讯股份有限公司 | Method for preparing resource in advance for hard switching process |
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