WO2019095635A1 - 数据复制传输的控制方法、用户设备、节点 - Google Patents
数据复制传输的控制方法、用户设备、节点 Download PDFInfo
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- WO2019095635A1 WO2019095635A1 PCT/CN2018/084509 CN2018084509W WO2019095635A1 WO 2019095635 A1 WO2019095635 A1 WO 2019095635A1 CN 2018084509 W CN2018084509 W CN 2018084509W WO 2019095635 A1 WO2019095635 A1 WO 2019095635A1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/08—Arrangements for detecting or preventing errors in the information received by repeating transmission, e.g. Verdan system
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- the present invention relates to the field of communication processing technologies, and in particular, to a data copy transmission control method, a user equipment (UE), a node, and a computer storage medium.
- UE user equipment
- the data replication transmission function of one of the bearers can be activated or deactivated dynamically by the MAC CE.
- the MCG and the SCG may respectively send a MAC CE to activate or deactivate the copy data function of one of the split bearers of the UE.
- the primary node of the MCG and the secondary node of the SCG can separately send control information, which requires the UE side to identify which specific control information is used to control which DRBs to ensure the processing efficiency of the UE.
- an embodiment of the present invention provides a data copy transmission control method, a user equipment (UE), a node, and a computer storage medium.
- UE user equipment
- the method for controlling data replication transmission provided by the embodiment of the present invention is applied to user equipment, including:
- the embodiment of the invention provides a data copy transmission control method, which is applied to a network node, and includes:
- the embodiment of the invention provides a data copy transmission control method, which is applied to a master node, and includes:
- the primary node controls the target UE to enable or disable a data replication function of a first partial data radio bearer in the at least one data radio bearer
- the auxiliary node controls the target UE to be turned on or Close the data copy function of the second part of the data radio bearer in the at least one data radio bearer; wherein the first part of the data radio bearer is at least partially different from the second part of the data radio bearer;
- An embodiment of the present invention provides a data copy transmission control method, which is applied to a secondary node, and includes:
- the primary node controls the target UE to enable or disable a data replication function of a first partial data radio bearer DRB in the at least one data radio bearer, and the auxiliary node controls the target UE to be enabled. a data copy function of the second part of the at least one DRB radio bearer; wherein the first part DRB is at least partially different from the second part DRB;
- An embodiment of the present invention provides a UE, including:
- the first communication unit receives the first control information sent by the primary node, and/or receives the second control information sent by the secondary node;
- the first processing unit determines to enable or disable at least based on the indication of the first partial data radio bearer DRB corresponding to the first control information, and/or based on the indication of the second portion DRB corresponding to the second control information A data replication transmission function of a DRB.
- An embodiment of the present invention provides a network node, including:
- the fourth communication unit determines, according to the preset condition, that the primary node sends the first control information, and/or determines that the secondary node sends the second control information
- the fourth processing unit is configured to determine the terminal device based on the indication of the first partial data radio bearer DRB corresponding to the first control information, and/or based on the indication of the second portion DRB corresponding to the second control information Enable or disable the data replication transmission function of at least one DRB.
- An embodiment of the present invention provides a master node, including:
- the second communication unit in consultation with the auxiliary node, determines a data replication transmission function of turning on or off at least one data radio bearer of the target UE; and transmitting the first control information to the target UE;
- a second processing unit determining, according to the negotiation result, that the primary node controls the target UE to enable or disable data replication function of the first partial data radio bearer in the at least one data radio bearer, and the assistant node control Determining, by the target UE, a data replication function of the second part of the data radio bearer in the at least one data radio bearer; wherein the first part of the data radio bearer is at least partially different from the second part of the data radio bearer; The data copy function of the first part of the data radio bearer DRB that is turned on or off generates the first control information.
- An embodiment of the present invention provides a secondary node, including:
- the third communication unit in consultation with the master node, determines whether to enable or disable the data copy transmission function of the at least one data radio bearer of the target UE; and send the second control information to the target UE;
- a third processing unit determining, according to the negotiation result, that the primary node controls the target UE to enable or disable data replication function of the first partial data radio bearer DRB in the at least one data radio bearer, and the assistant node control Transmitting, by the target UE, a data replication function of a second partial data radio bearer in the at least one DRB; wherein the first partial DRB is at least partially different from the second partial DRB;
- the data replication function of the two-part DRB generates second control information.
- An embodiment of the present invention provides a UE, including: a processor and a memory for storing a computer program capable of running on the processor,
- processor is configured to perform the steps of the foregoing method when the computer program is run.
- An embodiment of the present invention provides a master node, including: a processor and a memory for storing a computer program capable of running on the processor,
- processor is configured to perform the steps of the foregoing method when the computer program is run.
- An embodiment of the present invention provides a secondary node, including: a processor and a memory for storing a computer program capable of running on the processor,
- processor is configured to perform the steps of the foregoing method when the computer program is run.
- a computer storage medium is provided by the embodiment of the present invention.
- the computer storage medium stores computer executable instructions, and the foregoing method steps are implemented when the computer executable instructions are executed.
- the technical solution of the embodiment of the present invention enables the UE side to determine whether to enable or disable the data transmission replication of at least one DRB of the DRB according to the first control information and/or the second control information sent by the primary node and/or the secondary node.
- the UE can determine, after receiving the control information sent by the two nodes, determine which DRB data transmission replication functions are specifically enabled, and ensure the processing efficiency of the UE.
- FIG. 1 is a schematic flowchart 1 of a method for controlling data copy transmission according to an embodiment of the present invention
- FIG. 2 is a schematic flowchart 2 of a method for controlling data copy transmission according to an embodiment of the present invention
- FIG. 3 is a schematic flowchart 3 of a method for controlling data copy transmission according to an embodiment of the present invention
- FIG. 4 is a schematic structural diagram of a user equipment according to an embodiment of the present invention.
- FIG. 5 is a schematic structural diagram of a protocol layer according to an embodiment of the present invention.
- FIG. 6 is a schematic structural diagram of a main node according to an embodiment of the present invention.
- FIG. 7 is a schematic structural diagram of a secondary node according to an embodiment of the present invention.
- FIG. 8 is a schematic flowchart 4 of a method for controlling data copy transmission according to an embodiment of the present invention.
- FIG. 9 is a schematic structural diagram of a network node according to an embodiment of the present invention.
- FIG. 10 is a schematic diagram of a hardware architecture according to an embodiment of the present invention.
- An embodiment of the present invention provides a data copy transmission control method, which is applied to a user equipment UE, as shown in FIG. 1 , and includes:
- Step 101 Receive first control information sent by the primary node, and/or receive second control information sent by the secondary node.
- Step 102 Determine to enable or disable at least one DRB based on the indication of the first partial data radio bearer DRB corresponding to the first control information, and/or based on the indication of the second partial DRB corresponding to the second control information.
- Data replication transfer function Determine to enable or disable at least one DRB based on the indication of the first partial data radio bearer DRB corresponding to the first control information, and/or based on the indication of the second partial DRB corresponding to the second control information.
- the primary node may be a node in a primary cell group (MCG)
- the secondary node may be a node in a secondary cell group (SCG).
- the receiving the first control information sent by the primary node, and/or receiving the second control information sent by the secondary node includes:
- the control information of the receiving the primary node or the secondary node may be received separately or separately.
- the sequence of receiving the first control information and the second control information is not limited herein.
- the primary node of the MCG on the network side and the secondary node of the SCG cooperate through the Xn interface to determine a network node that controls whether a certain DRB replication data function of the UE is enabled or disabled.
- the first part DRB indicated by the first control information is determined based on a correspondence between the first control information of the bitmap format and the identification information of the DRB. And/or determining a second part DRB indicated by the second control information based on a correspondence between the second control information of the bitmap format and the identification information of the DRB.
- each bit can correspond to one DRB identification information; it is assumed that bit 1-3 can correspond to DRB1, 4, and 7, respectively, and then the remaining bite 4-8 are invalid bits. Then, through the bimap, it can be determined that the first control information indicates which DRB is turned on or off. Further, the bit transfer bit in the bitmap can be set to 0 to disable the data transfer copy function of the DRB. When the bit is 1, the data transfer copy function of the DRB can be turned on. Of course, it can be reversed, but it is not exhaustive in this embodiment.
- bits 1-3 of the bitmap of the second control information may respectively correspond to the identifiers 1, 3, and 7 of the DRB, and the remaining bits may be invalid bits.
- the meanings of the bit bits are the same as those of the foregoing, and will not be described again.
- the DRB includes three types: MCG bearer, SCG bearer and Split bearer; the MAC CE sent by the MN is responsible for controlling the opening or closing of the data copy function of the MCG bearer and the split bearer; the MAC CE sent by the SN is responsible for controlling the SCG bearer and the split bearer.
- the data copy function is turned on or off.
- step 102 determining, according to the indication of the first partial data radio bearer DRB corresponding to the first control information, and/or determining, according to the indication of the second partial DRB corresponding to the second control information, that at least one is turned on or off.
- DRB data replication transmission function When operating, there are three factors that can be considered to control:
- the first DRB corresponding to the first control information includes the first DRB that is the primary cell bearer, determining to enable or disable the data replication transmission function of the first DRB based on the indication of the first control information . And/or, when the second part of the DRB corresponding to the second control information includes the second DRB that is the secondary cell bearer, determining to enable or disable the second DRB based on the indication of the second control information Data replication transfer function.
- first DRB is not included in the second part DRB.
- second DRB is not included in the first part DRB.
- the non-forked bearer (for example, the MCG bearer (first DRB) and the SCG bearer (second DRB)) is not controlled by the peer end, for example, the MCG bearer controls the MCG bearer, and the SCG MAC CE controls. SCG bearer.
- first DRB and the second DRB is not limited in this embodiment. In practice, one or more first DRBs and second DRBs may exist, and the number of the two may be different.
- the first part of the DRB corresponding to the first control information includes the third DRB as the bifurcation bearer, and/or the second part of the DRB corresponding to the second control information includes the bifurcation When carrying the third DRB,
- the data copy transmission function of the third DRB is determined to be turned on or off based on a preset condition.
- the bifurcation bearer that is, the third DRB may be a split bearer, and the third DRB may be controlled by the MCG or the SCG.
- the specific preset conditions may include at least one of the following:
- Condition 1 based on the group of PDCPs of the third DRB, determining control information sent by the node corresponding to the group to control whether to enable or disable the data replication transmission function of the third DRB.
- the method for determining the group of the PDCPs in the third DRB may be determined according to the key value of the third DRB, that is, the key value corresponding to the third DRB is obtained, based on the third DRB corresponding to the third DRB.
- the key value determines the group in which the PDCP of the third SRB is located.
- the MCG MAC CE controls the split bearer.
- the UE can distinguish whether the PDCP of the split bearer is in the MCG or the SCG by the difference of the key value (Key) of the split bearer.
- the different groups may have different key values, and the setting may be determined by the network side and the UE side in advance.
- the key value may be KeNB.
- the UE can distinguish the PDCP in the MCG or the SCG; specifically, the KeNB can be the Key of the corresponding MCG, and the S-KgNB can be the Key of the corresponding SCG.
- Condition 2 based on the default transmission path corresponding to the third DRB, determining control information corresponding to the control node other than the default transmission path to control whether to enable or disable the data replication transmission function of the third DRB.
- the default transmission path is a path adopted when the duplicate data transmission function is in a deactivated state.
- the non default leg of a split bearer refers to the path of the default transmission after duplication deactivated. It can be a node corresponding to non default leg to control duplication.
- Condition 3 Determine, according to the PDCP version of the third DRB, control information sent by a node corresponding to the PDCP version to control whether to enable or disable the data replication transmission function of the third DRB.
- the PDCP version of the third DRB is one of the following: a version of the LTE PDCP, and an NR PDCP version.
- the version of the PDCP of the split bearer is determined.
- the MAC on the LTE side can only control the split bearer of the LTE PDCP
- the MAC on the NR side can only control the split bearer whose PDCP is the NR PDCP.
- the correspondence between the DRB and the MAC CE bitmap corresponds to the ascending or descending order of the DRB ID
- the DRB IDs 1, 3, 4, and 7 of the UE respectively have a PDCP copy data transmission function; wherein the DRB ID 1 is an MCG bearer, the DRB ID 3 is an SCG bearer, and the DRB IDs 4 and 7 are split bearers;
- the network side MCG and the SCG cooperate to determine that the DRB IDs 1, 4, and 7 respectively correspond to 1, 2, and 3 bits in the MAC CE bitmap sent by the MN, and the remaining 4, 5, 6, 7, and 8 bits are invalid bits;
- DRB IDs 3, 4, and 7 respectively correspond to 1, 2, and 3 bits in the MAC CE bitmap sent by the SN, and the remaining 4, 5, 6, 7, and 8 bits are invalid bits.
- the first control information and/or the second control information sent by the MAC layer of the UE, the receiving network (which may be the primary node in the MCG or the secondary node in the SCG), enables or disables the replication data transmission of the at least one DRB.
- the MAC layer of the UE indicates the corresponding bit of the received copy data control MAC address to the PDCP layer of the corresponding DRB;
- the MAC layer of the UE finds the corresponding bit of the DRB ID in the bitmap according to the mapping between the bitmap and the DRB ID.
- the DRB ID of the UE is 1, 4, and 7 respectively correspond to 1, 2, and 3 bits in the bitmap of the MN MAC CE.
- the MAC CE After receiving the MAC CE bitmap, the MAC CE indicates the first bit value to the PDCP with the DRB ID being 1, the second bit value to the PDCP with the DRB ID being 3, and so on.
- the foregoing processing manner in this embodiment is to determine, according to the relationship between the DRB and the control information, which control information the DRB corresponds to after receiving the control information, for example, and when a DRB receives the first control information and the first When controlling information, how to decide which control information to use for subsequent processing.
- this embodiment may also provide another processing manner, that is, determine which DRB to obtain which control information according to the preset rule in advance; that is, in this processing mode, the network side may send only one control for one DRB.
- Information the specific treatment is as follows:
- each of the at least one DRB of the UE corresponds to the first control information or the second control information according to the preset rule.
- the identification information of different DRBs corresponds to which bit of the first control information or the second control information.
- the preset rule includes at least one of the following:
- the DRB is included in the first part of the DRB corresponding to the first control information
- the DRB is included in the second part DRB corresponding to the second control information.
- the identifier information of the DRB corresponds to the first bit in the first control information; and when a DRB is carried by the secondary cell, the identifier of the DRB
- the information corresponds to the second bit in the second control information.
- the first bit and the second bit do not represent the specific bit in the control information, and the first bit is located in the second bit.
- the first bit can be the first control information.
- the bit 3 and the second bit may be bit 1 in the second control information.
- the DRB when the DRB is a primary cell bearer, it does not correspond to the second control information, and is not included in the second partial DRB.
- the DRB When the DRB is the secondary cell bearer, it does not correspond to the first control information. Not included in the first part of the DRB.
- the DRB When the DRB is a primary cell bearer, it is not included in the second partial DRB; and when the DRB is a secondary cell bearer, it is not included in the first partial DRB.
- the preset rule further includes at least one of the following:
- the DRB is included in the first part DRB corresponding to the first control information
- the DRB is included in the second part DRB corresponding to the second control information.
- the first version is different from the second version, and the first version and the second version are respectively one of an LTE PDCP version and an NR PDCP version. That is to say, when the first version is LTE PDCP, the second version is NR PDCP; or, when the first version is NR PDCP, the second version is LTE PDCP.
- the DRB when the PDCP version of the DRB is the second version, the DRB is not included in the first part of the DRB; when the PDCP version of the DRB is the first version, the DRB is not included in the first Two parts of the DRB.
- the preset rule further includes at least one of the following:
- the DRB is included in the first part DRB corresponding to the first control information
- the DRB is included in the second part DRB corresponding to the second control information.
- the DRB when the PDCP of the DRB uses the primary cell group key, the DRB is not included in the second partial DRB corresponding to the second control information; when the PDCP of the DRB uses the secondary cell group key, the DRB is not It is included in the first part DRB corresponding to the first control information.
- the preset rule further includes at least one of the following:
- the DRB is a bifurcated bearer, based on the group of the PDCP in which the DRB is located, determining the DRB of the control information sent by the node corresponding to the group in which the PDCP is located is controlled; it is understood that the node here may be the master node.
- the control node may be the first control information or the second control information.
- the DRB is a forked bearer, based on the default transmission path corresponding to the DRB, determining control information sent by a node other than the default transmission path controls the DRB; it is understood that the node here may
- the primary node may be a secondary node, and the control information may be one of the first control information and the second control information;
- the node may be a secondary node, and the control information may be one of the first control information and the second control information;
- the DRB is a forked bearer, determining, according to the PDCP version of the DRB, control information sent by a node corresponding to the PDCP version to control the DRB; it is understood that the node may be a master node.
- the control information may be one of the first control information and the second control information;
- the air interface type of the node may be a node of LTE or a node that may be an NR.
- a node of a specific air interface type can be understood as a node in which a node of LTE is preset to a specific air interface type, or a node in which an NR is preset to a node of a specific air interface type.
- the setting of this rule may enable the user equipment to know, if both nodes send control information, which node's control information is subject to subsequent processing.
- the DRB is a forked bearer, based on the group of the PDCP in which the DRB is located, it is determined that the control information sent by the node corresponding to the group not in the DRB cannot control the DRB.
- the DRB is a forked bearer, based on the default transmission path corresponding to the DRB, it is determined that the control information sent by the node of the default transmission path cannot control the DRB.
- the DRB is a forked bearer
- the control information sent by the node that does not correspond to the PDCP version cannot control the DRB.
- the UE side can determine whether to enable or disable the data transmission replication function of at least one DRB of the DRB according to the first control information and/or the second control information sent by the primary node and/or the secondary node. .
- the UE can determine, after receiving the control information sent by the two nodes, determine which DRB data transmission replication functions are specifically enabled, and ensure the processing efficiency of the UE.
- the embodiment of the present invention provides a data copy transmission control method, which is applied to a master node, as shown in FIG. 2, and includes:
- Step 201 Negotiate with the auxiliary node to determine whether to enable or disable the data replication transmission function of the at least one data radio bearer of the target UE.
- Step 202 Determine, according to the negotiation result, that the primary node controls the target UE to enable or disable a data replication function of a first partial data radio bearer in the at least one data radio bearer, and the auxiliary node controls the target
- the UE enables or disables the data replication function of the second part of the data radio bearer in the at least one data radio bearer; wherein the first part of the data radio bearer is at least partially different from the second part of the data radio bearer;
- Step 203 Generate first control information, and send the first control information to the target UE, based on determining a data replication function of the first part of the data radio bearer DRB that is enabled or disabled.
- the primary node may be a node in a primary cell group (MCG)
- the secondary node may be a node in a secondary cell group (SCG).
- the primary node of the MCG on the network side and the secondary node of the SCG may negotiate through the Xn interface to determine whether one or more DRB replication data functions for controlling the UE are turned on or off.
- the generating, by the data replication function of the first part of the DRB that is determined to be turned on or off, generating the first control information includes:
- the first control information is generated by setting a data bit corresponding to the identification information of the first part DRB in the bitmap.
- each bit can correspond to one DRB identification information; it is assumed that bit 1-3 can correspond to DRB1, 4, and 7, respectively, and then the remaining bite 4-8 are invalid bits. Then, through the bimap, it can be determined that the first control information indicates which DRB is turned on or off. Further, the bit transfer bit in the bitmap can be set to 0 to disable the data transfer copy function of the DRB. When the bit is 1, the data transfer copy function of the DRB can be turned on. Of course, it can be reversed, but it is not exhaustive in this embodiment.
- bits 1-3 of the bitmap of the second control information may respectively correspond to the identifiers 1, 3, and 7 of the DRB, and the remaining bits may be invalid bits.
- the meanings of the bit bits are the same as those of the foregoing, and will not be described again.
- the DRB includes three types: MCG bearer, SCG bearer and Split bearer; the MAC CE sent by the MN is responsible for controlling the opening or closing of the data copy function of the MCG bearer and the split bearer; the MAC CE sent by the SN is responsible for controlling the SCG bearer and the split bearer.
- the data copy function is turned on or off.
- the negotiation between the primary node and the secondary node may include:
- the target DRB is the primary cell bearer, it is determined that the primary node controls it by using the first control information; the target DRB may be understood as any one of the multiple DRBs of the UE;
- the target DRB is the secondary cell bearer, it is determined that the secondary node controls it by using the second control information; the target DRB may be understood as any one of the multiple DRBs of the UE;
- the node is determined to be a master node or a secondary node, and it is determined that the master node or the secondary node generates control information to control the opening of the data replication function of the target DRB. Or close. That is to say, according to the group of the PDCP in which the DRB is located, it is determined whether the control information corresponding to the DRB is the first control information sent by the primary node or the second control information sent by the secondary node.
- the target DRB When the target DRB is used as a forked bearer, determining, based on the default transmission path corresponding to the target DRB, generating control information by the primary node or the secondary node other than the default transmission path to control whether to open or close the third DRB. Data copy transfer function. That is to say, according to the default transmission path corresponding to the DRB, it is determined whether the control information corresponding to the DRB is the first control information sent by the primary node or the second control information sent by the secondary node.
- Data replication transfer function That is to say, according to the PDCP version of the DRB, it is determined whether the control information corresponding to the DRB is the first control information sent by the primary node or the second control information sent by the secondary node.
- the correspondence between the DRB and the MAC CE bitmap corresponds to the ascending or descending order of the DRB ID
- the DRB IDs 1, 3, 4, and 7 of the UE respectively have a PDCP copy data transmission function; wherein the DRB ID 1 is an MCG bearer, the DRB ID 3 is an SCG bearer, and the DRB IDs 4 and 7 are split bearers;
- the network side MCG and the SCG cooperate to determine that the DRB IDs 1, 4, and 7 respectively correspond to 1, 2, and 3 bits in the MAC CE bitmap sent by the MN, and the remaining 4, 5, 6, 7, and 8 bits are invalid bits;
- DRB IDs 3, 4, and 7 respectively correspond to 1, 2, and 3 bits in the MAC CE bitmap sent by the SN, and the remaining 4, 5, 6, 7, and 8 bits are invalid bits.
- the UE side can determine whether to enable or disable the data transmission replication function of at least one DRB of the DRB according to the first control information and/or the second control information sent by the primary node and/or the secondary node. .
- the UE can determine, after receiving the control information sent by the two nodes, determine which DRB data transmission replication functions are specifically enabled, and ensure the processing efficiency of the UE.
- An embodiment of the present invention provides a data copy transmission control method, which is applied to a secondary node, as shown in FIG. 3, and includes:
- Step 301 Negotiate with the primary node to determine whether to enable or disable the data replication transmission function of the at least one data radio bearer of the target UE.
- Step 302 Determine, according to the negotiation result, that the primary node controls the target UE to enable or disable data replication function of the first partial data radio bearer DRB in the at least one data radio bearer, and the assistant node controls the The target UE enables or disables a data replication function of the second partial data radio bearer in the at least one DRB; wherein the first partial DRB is at least partially different from the second partial DRB;
- Step 303 Generate second control information, and send the second control information to the target UE, based on determining a data replication function of the second part of the DRB that is turned on or off.
- the primary node may be a node in a primary cell group (MCG)
- the secondary node may be a node in a secondary cell group (SCG).
- the primary node of the MCG on the network side and the secondary node of the SCG may negotiate through the Xn interface to determine whether one or more DRB replication data functions for controlling the UE are turned on or off.
- the generating the second control information includes:
- the second control information is generated by setting data bits corresponding to the identification information of the second portion DRB in the bitmap.
- each bit can correspond to one DRB identification information; it is assumed that bit 1-3 can correspond to DRB1, 4, and 7, respectively, and then the remaining bite 4-8 are invalid bits. Then, through the bimap, it can be determined that the first control information indicates which DRB is turned on or off. Further, the bit transfer bit in the bitmap can be set to 0 to disable the data transfer copy function of the DRB. When the bit is 1, the data transfer copy function of the DRB can be turned on. Of course, it can be reversed, but it is not exhaustive in this embodiment.
- bits 1-3 of the bitmap of the second control information may respectively correspond to the identifiers 1, 3, and 7 of the DRB, and the remaining bits may be invalid bits.
- the meanings of the bit bits are the same as those of the foregoing, and will not be described again.
- the DRB includes three types: MCG bearer, SCG bearer and Split bearer; the MAC CE sent by the MN is responsible for controlling the opening or closing of the data copy function of the MCG bearer and the split bearer; the MAC CE sent by the SN is responsible for controlling the SCG bearer and the split bearer.
- the data copy function is turned on or off.
- the negotiation between the primary node and the secondary node may include:
- the target DRB is the primary cell bearer, it is determined that the primary node controls it by using the first control information; the target DRB may be understood as any one of the multiple DRBs of the UE;
- the target DRB is the secondary cell bearer, it is determined that the secondary node controls it by using the second control information; the target DRB may be understood as any one of the multiple DRBs of the UE;
- the node is determined to be a master node or a secondary node, and it is determined that the master node or the secondary node generates control information to control the opening of the data replication function of the target DRB. Or close. That is to say, according to the group of the PDCP in which the DRB is located, it is determined whether the control information corresponding to the DRB is the first control information sent by the primary node or the second control information sent by the secondary node.
- the target DRB When the target DRB is used as a forked bearer, determining, based on the default transmission path corresponding to the target DRB, generating control information by the primary node or the secondary node other than the default transmission path to control whether to open or close the third DRB. Data copy transfer function. That is to say, according to the default transmission path corresponding to the DRB, it is determined whether the control information corresponding to the DRB is the first control information sent by the primary node or the second control information sent by the secondary node.
- Data replication transfer function That is to say, according to the PDCP version of the DRB, it is determined whether the control information corresponding to the DRB is the first control information sent by the primary node or the second control information sent by the secondary node.
- the correspondence between the DRB and the MAC CE bitmap corresponds to the ascending or descending order of the DRB ID
- the DRB IDs 1, 3, 4, and 7 of the UE respectively have a PDCP copy data transmission function; wherein the DRB ID 1 is an MCG bearer, the DRB ID 3 is an SCG bearer, and the DRB IDs 4 and 7 are split bearers;
- the network side MCG and the SCG cooperate to determine that the DRB IDs 1, 4, and 7 respectively correspond to 1, 2, and 3 bits in the MAC CE bitmap sent by the MN, and the remaining 4, 5, 6, 7, and 8 bits are invalid bits;
- DRB IDs 3, 4, and 7 respectively correspond to 1, 2, and 3 bits in the MAC CE bitmap sent by the SN, and the remaining 4, 5, 6, 7, and 8 bits are invalid bits.
- the UE side can determine whether to enable or disable the data transmission replication function of at least one DRB of the DRB according to the first control information and/or the second control information sent by the primary node and/or the secondary node. .
- the UE can determine the control data of the DRBs that are specifically enabled by the UE after receiving the control information sent by the two nodes, and ensure the processing efficiency of the UE.
- An embodiment of the present invention provides a UE, as shown in FIG. 4, including:
- the first communication unit 41 receives the first control information sent by the master node, and/or receives the second control information sent by the assistant node;
- the first processing unit 42 determines, according to the indication of the first partial data radio bearer DRB corresponding to the first control information, and/or based on the indication of the second part DRB corresponding to the second control information, determining to enable or disable At least one DRB data copy transmission function.
- the primary node may be a node in a primary cell group (MCG)
- the secondary node may be a node in a secondary cell group (SCG).
- the first communication unit 41 receives first control information in a bitmap format sent by the master node; and/or receives second control information in a bitmap format sent by the auxiliary node.
- the control information of the receiving the primary node or the secondary node may be received separately or separately.
- the sequence of receiving the first control information and the second control information is not limited herein.
- the primary node of the MCG on the network side and the secondary node of the SCG cooperate through the Xn interface to determine a network node that controls whether a certain DRB replication data function of the UE is enabled or disabled.
- the first part DRB indicated by the first control information is determined based on a correspondence between the first control information of the bitmap format and the identification information of the DRB. And/or determining a second part DRB indicated by the second control information based on a correspondence between the second control information of the bitmap format and the identification information of the DRB.
- each bit can correspond to one DRB identification information; it is assumed that bit 1-3 can correspond to DRB1, 4, and 7, respectively, and then the remaining bite 4-8 are invalid bits. Then, through the bimap, it can be determined that the first control information indicates which DRB is turned on or off. Further, the bit transfer bit in the bitmap can be set to 0 to disable the data transfer copy function of the DRB. When the bit is 1, the data transfer copy function of the DRB can be turned on. Of course, it can be reversed, but it is not exhaustive in this embodiment.
- bits 1-3 of the bitmap of the second control information may respectively correspond to the identifiers 1, 3, and 7 of the DRB, and the remaining bits may be invalid bits.
- the meanings of the bit bits are the same as those of the foregoing, and will not be described again.
- the DRB includes three types: MCG bearer, SCG bearer and Split bearer; the MAC CE sent by the MN is responsible for controlling the opening or closing of the data copy function of the MCG bearer and the split bearer; the MAC CE sent by the SN is responsible for controlling the SCG bearer and the split bearer.
- the data copy function is turned on or off.
- the first processing unit 42 is configured to: when the first DRB corresponding to the first control information includes the first DRB that is the primary cell bearer, determine, according to the indication of the first control information, enable or disable the first DRB data replication transmission function. And/or, when the second part of the DRB corresponding to the second control information includes the second DRB that is the secondary cell bearer, determining to enable or disable the second DRB based on the indication of the second control information Data replication transfer function. It should be noted that the first DRB is not included in the second part DRB. And the second DRB is not included in the first part DRB.
- the non-forked bearer (for example, the MCG bearer (first DRB) and the SCG bearer (second DRB)) is not controlled by the peer end, for example, the MCG bearer controls the MCG bearer, and the SCG MAC CE controls. SCG bearer.
- first DRB and the second DRB is not limited in this embodiment. In practice, one or more first DRBs and second DRBs may exist, and the number of the two may be different.
- the first processing unit 42 when the first part DRB corresponding to the first control information includes a third DRB as a bifurcation bearer, and/or, when the second control information corresponds to the second part DRB , when there is a third DRB as a forked bearer,
- the data copy transmission function of the third DRB is determined to be turned on or off based on a preset condition.
- the bifurcation bearer that is, the third DRB may be a split bearer, and the third DRB may be controlled by the MCG or the SCG.
- the specific preset conditions may include at least one of the following:
- Condition 1 based on the group of PDCPs of the third DRB, determining control information sent by the node corresponding to the group to control whether to enable or disable the data replication transmission function of the third DRB.
- the method for determining the group of the PDCPs in the third DRB may be determined according to the key value of the third DRB, that is, the first processing unit 42 acquires the key value corresponding to the third DRB, based on the The key value corresponding to the third DRB determines the group of the PDCP of the third SRB.
- the MCG MAC CE controls the split bearer.
- the UE can distinguish whether the PDCP of the split bearer is in the MCG or the SCG by the difference of the key value (Key) of the split bearer.
- Key the key value of the split bearer.
- Different groups may have different key values, and the setting manner may be that the network side and the UE side pre-negotiate and determine that in a dual connectivity (DC), for a split bearer, the key value may be KeNB or S.
- the UE can be distinguished to distinguish the PDCP in the MCG or the SCG; specifically, the KeNB can be the Key of the corresponding MCG, and the S-KgNB can be the Key of the corresponding SCG.
- Condition 2 based on the default transmission path corresponding to the third DRB, determining control information corresponding to the control node other than the default transmission path to control whether to enable or disable the data replication transmission function of the third DRB.
- the default transmission path is a path adopted when the duplicate data transmission function is in a deactivated state.
- the non default leg of a split bearer refers to the path of the default transmission after duplication deactivated. It can be a node corresponding to non default leg to control duplication.
- Condition 3 Determine, according to the PDCP version of the third DRB, control information sent by a node corresponding to the PDCP version to control whether to enable or disable the data replication transmission function of the third DRB.
- the PDCP version of the third DRB is one of the following: a version of the LTE PDCP, and an NR PDCP version.
- the version of the PDCP of the split bearer is determined.
- the MAC on the LTE side can only control the split bearer of the LTE PDCP
- the MAC on the NR side can only control the split bearer whose PDCP is the NR PDCP.
- the copy data transmission mode adopts a protocol structure of a split bearer; for uplink and downlink, the PDCP is located in a certain CG (MCG or SCG), and the CG is an anchor CG.
- the PDCP copies the PDCP PDUs into the same two copies. For example, one is a PDCP PDU, and the other is a Duplicated PDCP PDU.
- the two PDCPs pass through different RCGs and MACs of the CG, and reach the UE (downlink) or the base station (uplink) corresponding MAC through the air interface.
- the RLC layer is finally aggregated to PDCP.
- the PDCP layer detects that the two PDCPs are the same duplicate version, that is, discard one of them and submit the other to the upper layer.
- the one that connects the two RLCs and the MACs respectively under the PDCP is called a split bearer. If the PDCP is located at the MCG, it is the MCG Split Bearer. If the PDCP is located at the SCG, it is the SCG Split Bearer. Specifically, the solution provided by this embodiment:
- the correspondence between the DRB and the MAC CE bitmap corresponds to the ascending or descending order of the DRB ID
- the DRB IDs 1, 3, 4, and 7 of the UE respectively have a PDCP copy data transmission function; wherein the DRB ID 1 is an MCG bearer, the DRB ID 3 is an SCG bearer, and the DRB IDs 4 and 7 are split bearers;
- the network side MCG and the SCG cooperate to determine that the DRB IDs 1, 4, and 7 respectively correspond to 1, 2, and 3 bits in the MAC CE bitmap sent by the MN, and the remaining 4, 5, 6, 7, and 8 bits are invalid bits;
- DRB IDs 3, 4, and 7 respectively correspond to 1, 2, and 3 bits in the MAC CE bitmap sent by the SN, and the remaining 4, 5, 6, 7, and 8 bits are invalid bits.
- the first control information and/or the second control information sent by the MAC layer of the UE, the receiving network (which may be the primary node in the MCG or the secondary node in the SCG), enables or disables the replication data transmission of the at least one DRB.
- the MAC layer of the UE indicates the corresponding bit of the received copy data control MAC address to the PDCP layer of the corresponding DRB;
- the MAC layer of the UE finds the corresponding bit of the DRB ID in the bitmap according to the mapping between the bitmap and the DRB ID.
- the DRB ID of the UE is 1, 4, and 7 respectively correspond to 1, 2, and 3 bits in the bitmap of the MN MAC CE.
- the MAC CE After receiving the MAC CE bitmap, the MAC CE indicates the first bit value to the PDCP with the DRB ID being 1, the second bit value to the PDCP with the DRB ID being 3, and so on.
- the foregoing processing manner in this embodiment is to determine, according to the relationship between the DRB and the control information, which control information the DRB corresponds to after receiving the control information, for example, and when a DRB receives the first control information and the first When controlling information, how to decide which control information to use for subsequent processing.
- this embodiment may also provide another processing manner, that is, determine which DRB to obtain which control information according to the preset rule in advance; that is, in this processing mode, the network side may send only one control for one DRB.
- Information the specific treatment is as follows:
- each of the at least one DRB corresponds to the first control information or the second control information according to the preset rule.
- the foregoing preset rule may be a preset rule that is provided by the UE side and the node (the primary node and the secondary node) side, that is, the UE side determines, based on the preset rule, which DRB corresponds to which bit in the control information.
- the node may also determine which DRB control information is placed in which bit according to a preset rule.
- the identification information of different DRBs corresponds to which of the first control information or the second control information.
- the preset rule includes at least one of the following:
- the DRB is included in the first part of the DRB corresponding to the first control information
- the DRB is included in the second part DRB corresponding to the second control information.
- the identifier information of the DRB corresponds to the first bit in the first control information; and when a DRB is carried by the secondary cell, the identifier of the DRB
- the information corresponds to the second bit in the second control information.
- the first bit and the second bit do not represent the specific bit in the control information, and the first bit is located in the second bit.
- the first bit can be the first control information.
- the bit 3 and the second bit may be bit 1 in the second control information.
- the DRB when the DRB is a primary cell bearer, it does not correspond to the second control information, and is not included in the second partial DRB.
- the DRB When the DRB is the secondary cell bearer, it does not correspond to the first control information. Not included in the first part of the DRB.
- the DRB When the DRB is a primary cell bearer, it is not included in the second partial DRB; and when the DRB is a secondary cell bearer, it is not included in the first partial DRB.
- the preset rule further includes at least one of the following:
- the DRB is included in the first part DRB corresponding to the first control information
- the DRB is included in the second part DRB corresponding to the second control information.
- the first version is different from the second version, and the first version and the second version are respectively one of an LTE PDCP version and an NR PDCP version. That is to say, when the first version is LTE PDCP, the second version is NR PDCP; or, when the first version is NR PDCP, the second version is LTE PDCP.
- the DRB when the PDCP version of the DRB is the second version, the DRB is not included in the first part of the DRB; when the PDCP version of the DRB is the first version, the DRB is not included in the first Two parts of the DRB.
- the preset rule further includes at least one of the following:
- the DRB is included in the first part DRB corresponding to the first control information
- the DRB is included in the second part DRB corresponding to the second control information.
- the DRB when the PDCP of the DRB uses the primary cell group key, the DRB is not included in the second partial DRB corresponding to the second control information; when the PDCP of the DRB uses the secondary cell group key, the DRB is not It is included in the first part DRB corresponding to the first control information.
- the preset rule further includes at least one of the following:
- the DRB is a bifurcated bearer, based on the group of the PDCP in which the DRB is located, determining the DRB of the control information sent by the node corresponding to the group in which the PDCP is located is controlled; it is understood that the node here may be the master node.
- the control node may be the first control information or the second control information.
- the DRB is a forked bearer, based on the default transmission path corresponding to the DRB, determining control information sent by a node other than the default transmission path controls the DRB; it is understood that the node here may
- the primary node may be a secondary node, and the control information may be one of the first control information and the second control information;
- the node may be a secondary node, and the control information may be one of the first control information and the second control information;
- the DRB is a forked bearer, determining, according to the PDCP version of the DRB, control information sent by a node corresponding to the PDCP version to control the DRB; it is understood that the node may be a master node.
- the control information may be one of the first control information and the second control information.
- the air interface type of the node may be a node of LTE or a node that may be an NR.
- a node of a specific air interface type can be understood as a node in which a node of LTE is preset to a specific air interface type, or a node in which an NR is preset to a node of a specific air interface type.
- the setting of this rule may enable the user equipment to know, if both nodes send control information, which node's control information is subject to subsequent processing.
- the DRB is a forked bearer, based on the group of the PDCP in which the DRB is located, it is determined that the control information sent by the node corresponding to the group not in the DRB cannot control the DRB.
- the DRB is a forked bearer, based on the default transmission path corresponding to the DRB, it is determined that the control information sent by the node of the default transmission path cannot control the DRB.
- the DRB is a forked bearer
- the control information sent by the node that does not correspond to the PDCP version cannot control the DRB.
- the UE side can determine whether to enable or disable the data transmission replication function of at least one DRB of the DRB according to the first control information and/or the second control information sent by the primary node and/or the secondary node. .
- the UE can determine, after receiving the control information sent by the two nodes, determine which DRB data transmission replication functions are specifically enabled, and ensure the processing efficiency of the UE.
- An embodiment of the present invention provides a master node, as shown in FIG. 6, including:
- the second communication unit 61 in consultation with the auxiliary node, determines a data replication transmission function of turning on or off at least one data radio bearer of the target UE; and transmitting the first control information to the target UE;
- the second processing unit 62 determines, according to the negotiation result, that the primary node controls the target UE to enable or disable data replication function of the first partial data radio bearer in the at least one data radio bearer, and the assistant node controls
- the target UE enables or disables a data replication function of the second part of the data radio bearer in the at least one data radio bearer; wherein the first part of the data radio bearer is at least partially different from the second part of the data radio bearer; Determining a data copy function of the first part of the data radio bearer DRB that is turned on or off, and generating first control information.
- the primary node may be a node in a primary cell group (MCG)
- the secondary node may be a node in a secondary cell group (SCG).
- the primary node of the MCG on the network side and the secondary node of the SCG may negotiate through the Xn interface to determine whether one or more DRB replication data functions for controlling the UE are turned on or off.
- the second processing unit 62 acquires the correspondence between the identification information of the DRB and the data bits of the bitmap
- the first control information is generated by setting a data bit corresponding to the identification information of the first part DRB in the bitmap.
- each bit can correspond to one DRB identification information; it is assumed that bit 1-3 can correspond to DRB1, 4, and 7, respectively, and then the remaining bite 4-8 are invalid bits. Then, through the bimap, it can be determined that the first control information indicates which DRB is turned on or off. Further, the bit transfer bit in the bitmap can be set to 0 to disable the data transfer copy function of the DRB. When the bit is 1, the data transfer copy function of the DRB can be turned on. Of course, it can be reversed, but it is not exhaustive in this embodiment.
- bits 1-3 of the bitmap of the second control information may respectively correspond to the identifiers 1, 3, and 7 of the DRB, and the remaining bits may be invalid bits.
- the meanings of the bit bits are the same as those of the foregoing, and will not be described again.
- the DRB includes three types: MCG bearer, SCG bearer and Split bearer; the MAC CE sent by the MN is responsible for controlling the opening or closing of the data copy function of the MCG bearer and the split bearer; the MAC CE sent by the SN is responsible for controlling the SCG bearer and the split bearer.
- the data copy function is turned on or off.
- the negotiation between the primary node and the secondary node may include:
- the second processing unit 62 determines that the primary DR is controlled by the primary node by using the first control information when the target DRB is the primary cell bearer; the target DRB can be understood as any one of the multiple DRBs of the UE;
- the second processing unit 62 determines that the secondary node is controlled by the secondary node when the target DRB is the secondary cell bearer; the target DRB can be understood as any one of the multiple DRBs of the UE;
- the second processing unit 62 determines, when the target DRB is a forked bearer, based on the node corresponding to the group in which the PDCP of the DRB is located as a primary node or a secondary node, determining that the primary node or the secondary node generates control information to control the target DRB.
- the data copy function is turned on or off. That is to say, according to the group of the PDCP in which the DRB is located, it is determined whether the control information corresponding to the DRB is the first control information sent by the primary node or the second control information sent by the secondary node.
- a second processing unit 62 when the target DRB is used as a forked bearer, determining, according to the default transmission path corresponding to the target DRB, generating control information by the primary node or the secondary node other than the default transmission path to control on or off The data replication transmission function of the third DRB. That is to say, according to the default transmission path corresponding to the DRB, it is determined whether the control information corresponding to the DRB is the first control information sent by the primary node or the second control information sent by the secondary node.
- a second processing unit 62 when the target DRB is used as a forked bearer, determining, according to the PDCP version of the target DRB, a master node or a secondary node corresponding to the PDCP version to generate control information to control the opening or The data replication transmission function of the third DRB is closed. That is to say, according to the PDCP version of the DRB, it is determined whether the control information corresponding to the DRB is the first control information sent by the primary node or the second control information sent by the secondary node.
- the correspondence between the DRB and the MAC CE bitmap corresponds to the ascending or descending order of the DRB ID
- the DRB IDs 1, 3, 4, and 7 of the UE respectively have a PDCP copy data transmission function; wherein the DRB ID 1 is an MCG bearer, the DRB ID 3 is an SCG bearer, and the DRB IDs 4 and 7 are split bearers;
- the network side MCG and the SCG cooperate to determine that the DRB IDs 1, 4, and 7 respectively correspond to 1, 2, and 3 bits in the MAC CE bitmap sent by the MN, and the remaining 4, 5, 6, 7, and 8 bits are invalid bits;
- DRB IDs 3, 4, and 7 respectively correspond to 1, 2, and 3 bits in the MAC CE bitmap sent by the SN, and the remaining 4, 5, 6, 7, and 8 bits are invalid bits.
- the UE side can determine whether to enable or disable the data transmission replication function of at least one DRB of the DRB according to the first control information and/or the second control information sent by the primary node and/or the secondary node. .
- the UE can determine, after receiving the control information sent by the two nodes, determine which DRB data transmission replication functions are specifically enabled, and ensure the processing efficiency of the UE.
- An embodiment of the present invention provides a secondary node, as shown in FIG. 7, including:
- the third communication unit 71 in consultation with the master node, determines whether to enable or disable the data replication transmission function of the at least one data radio bearer of the target UE; and sends the second control information to the target UE;
- the third processing unit 72 determines, according to the negotiation result, that the primary node controls the target UE to enable or disable the data replication function of the first partial data radio bearer DRB in the at least one data radio bearer, and the auxiliary node Controlling, by the target UE, a data replication function of a second partial data radio bearer in the at least one DRB; wherein the first partial DRB is at least partially different from the second partial DRB; based on determining to enable or disable The data replication function of the second part of the DRB generates second control information.
- the primary node may be a node in a primary cell group (MCG)
- the secondary node may be a node in a secondary cell group (SCG).
- the primary node of the MCG on the network side and the secondary node of the SCG may negotiate through the Xn interface to determine whether one or more DRB replication data functions for controlling the UE are turned on or off.
- the third processing unit 72 acquires the correspondence between the identifier information of the DRB and the data bits of the bitmap;
- the second control information is generated by setting data bits corresponding to the identification information of the second portion DRB in the bitmap.
- each bit can correspond to one DRB identification information; it is assumed that bit 1-3 can correspond to DRB1, 4, and 7, respectively, and then the remaining bite 4-8 are invalid bits. Then, through the bimap, it can be determined that the first control information indicates which DRB is turned on or off. Further, the bit transfer bit in the bitmap can be set to 0 to disable the data transfer copy function of the DRB. When the bit is 1, the data transfer copy function of the DRB can be turned on. Of course, it can be reversed, but it is not exhaustive in this embodiment.
- bits 1-3 of the bitmap of the second control information may respectively correspond to the identifiers 1, 3, and 7 of the DRB, and the remaining bits may be invalid bits.
- the meanings of the bit bits are the same as those of the foregoing, and will not be described again.
- the DRB includes three types: MCG bearer, SCG bearer and Split bearer; the MAC CE sent by the MN is responsible for controlling the opening or closing of the data copy function of the MCG bearer and the split bearer; the MAC CE sent by the SN is responsible for controlling the SCG bearer and the split bearer.
- the data copy function is turned on or off.
- the negotiation between the primary node and the secondary node may include:
- the third processing unit 72 determines that the primary DR is controlled by the primary node by using the first control information when the target DRB is the primary cell bearer; the target DRB can be understood as any one of the multiple DRBs of the UE;
- the third processing unit 72 determines that the secondary node is controlled by the secondary node when the target DRB is the secondary cell bearer; the target DRB can be understood as any one of the multiple DRBs of the UE;
- the third processing unit 72 determines, when the target DRB is a forked bearer, that the node corresponding to the group of the PDCPs of the DRB is a master node or a secondary node, and determines that the master node or the assistant node generates control information to control the target DRB.
- the data copy function is turned on or off. That is to say, according to the group of the PDCP in which the DRB is located, it is determined whether the control information corresponding to the DRB is the first control information sent by the primary node or the second control information sent by the secondary node.
- the third processing unit 72 determines, when the target DRB is used as a forked bearer, based on the default transmission path corresponding to the target DRB, determining that the control information is generated by the primary node or the secondary node other than the default transmission path to control the opening or closing.
- the data replication transmission function of the third DRB That is to say, according to the default transmission path corresponding to the DRB, it is determined whether the control information corresponding to the DRB is the first control information sent by the primary node or the second control information sent by the secondary node.
- a third processing unit 72 when the target DRB is used as a forked bearer, determining, according to the PDCP version of the target DRB, that the primary node or the secondary node corresponding to the PDCP version generates control information to control the opening or The data replication transmission function of the third DRB is closed. That is to say, according to the PDCP version of the DRB, it is determined whether the control information corresponding to the DRB is the first control information sent by the primary node or the second control information sent by the secondary node.
- the correspondence between the DRB and the MAC CE bitmap corresponds to the ascending or descending order of the DRB ID
- the DRB IDs 1, 3, 4, and 7 of the UE respectively have a PDCP copy data transmission function; wherein the DRB ID 1 is an MCG bearer, the DRB ID 3 is an SCG bearer, and the DRB IDs 4 and 7 are split bearers;
- the network side MCG and the SCG cooperate to determine that the DRB IDs 1, 4, and 7 respectively correspond to 1, 2, and 3 bits in the MAC CE bitmap sent by the MN, and the remaining 4, 5, 6, 7, and 8 bits are invalid bits;
- DRB IDs 3, 4, and 7 respectively correspond to 1, 2, and 3 bits in the MAC CE bitmap sent by the SN, and the remaining 4, 5, 6, 7, and 8 bits are invalid bits.
- the UE side can determine whether to enable or disable the data transmission replication function of at least one DRB of the DRB according to the first control information and/or the second control information sent by the primary node and/or the secondary node. .
- the UE can determine, after receiving the control information sent by the two nodes, determine which DRB data transmission replication functions are specifically enabled, and ensure the processing efficiency of the UE.
- An embodiment of the present invention provides a data copy transmission control method, which is applied to a network node, as shown in FIG. 8, and includes:
- Step 801 Determine, according to a preset condition, that the primary node sends the first control information, and/or determine that the secondary node sends the second control information.
- Step 802 Determine, according to the indication of the first part of the data radio bearer DRB corresponding to the first control information, and/or the indication of the second part of the DRB corresponding to the second control information, to determine that the terminal device is turned on or Turn off the data replication transmission function of at least one DRB.
- the network node in this embodiment can be understood as a control node, which can control the primary node, the secondary node, and the terminal device.
- the primary node may be a node in a primary cell group (MCG), and the secondary node may be a node in a secondary cell group (SCG).
- MCG primary cell group
- SCG secondary cell group
- the network side controls the one or more DRB replication data functions of the UE to be turned on or off by using the network node provided in this embodiment.
- the method further includes: determining that the secondary node does not send the second control information if the at least one DRB includes the DRB with the PDCP version being the first version.
- the at least one DRB includes the DRB with the PDCP version being the first version, if the at least one DRB includes the offload bearer, it is determined that the secondary node does not send the second control information.
- the method further includes:
- the primary node does not send the first control information.
- the method further includes: the at least one DRB includes a offload bearer, or the at least one DRB includes a PDCP version as the second The version of the primary cell group is hosted.
- the determining, by the terminal device, the data replication transmission function of the at least one DRB is enabled or disabled, and the method may be: acquiring the identifier information of the DRB and the correspondence between the data bits of the bitmap; The data bits corresponding to the identification information of the DRB are set to determine whether the terminal device turns on or off the data copy transmission function of at least one DRB.
- bit 1-3 corresponds to DRB1, 4, and 7, respectively, and then the remaining bite4-8 are invalid bits. Then, through the bimap, it can be determined which DRB is turned on or off. Further, the bit transfer bit in the bitmap can be set to 0 to disable the data transfer copy function of the DRB. When the bit is 1, the data transfer copy function of the DRB can be turned on. Of course, it can be reversed, but it is not exhaustive in this embodiment.
- the DRB includes three types: MCG bearer, SCG bearer and Split bearer; the MAC CE sent by the MN is responsible for controlling the opening or closing of the data copy function of the MCG bearer and the split bearer; the MAC CE sent by the SN is responsible for controlling the SCG bearer and the split bearer.
- the data copy function is turned on or off.
- the UE side can determine whether to enable or disable the data transmission replication function of at least one DRB of the DRB according to the control information sent by the network node.
- the UE can determine, after receiving the control information sent by the two nodes, determine which DRB data transmission replication functions are specifically enabled, and ensure the processing efficiency of the UE.
- An embodiment of the present invention provides a network node, as shown in FIG. 9, including:
- the fourth communication unit 91 determines, according to the preset condition, that the primary node sends the first control information, and/or determines that the secondary node sends the second control information;
- the fourth processing unit 92 is configured to determine the terminal based on the indication of the first partial data radio bearer DRB corresponding to the first control information, and/or based on the indication of the second portion DRB corresponding to the second control information.
- the device turns on or off the data replication transmission function of at least one DRB.
- the fourth processing unit 92 determines that the secondary node does not send the second control information if the PDCP version includes the DRB of the first version in the at least one DRB.
- the fourth processing unit 92 when the at least one DRB includes the DRB with the PDCP version being the first version, the at least one DRB includes the offload bearer, and determines that the secondary node does not send the second control information.
- the fourth processing unit 92 determines that the primary node does not send the first control information if the at least one DRB includes the DRB with the PDCP version being the second version.
- the fourth processing unit 92 when the at least one DRB includes the DRB with the PDCP version being the second version, the at least one DRB includes the offload bearer, or the at least one DRB includes the PDCP version as the second version.
- the primary cell group is hosted.
- the determining, by the terminal device, the data replication transmission function of the at least one DRB is enabled or disabled, and the method may be: acquiring the identifier information of the DRB and the correspondence between the data bits of the bitmap; The data bits corresponding to the identification information of the DRB are set to determine whether the terminal device turns on or off the data copy transmission function of at least one DRB.
- bit 1-3 corresponds to DRB1, 4, and 7, respectively, and then the remaining bite4-8 are invalid bits. Then, through the bimap, it can be determined which DRB is turned on or off. Further, the bit transfer bit in the bitmap can be set to 0 to disable the data transfer copy function of the DRB. When the bit is 1, the data transfer copy function of the DRB can be turned on. Of course, it can be reversed, but it is not exhaustive in this embodiment.
- the DRB includes three types: MCG bearer, SCG bearer and Split bearer; the MAC CE sent by the MN is responsible for controlling the opening or closing of the data copy function of the MCG bearer and the split bearer; the MAC CE sent by the SN is responsible for controlling the SCG bearer and the split bearer.
- the data copy function is turned on or off.
- the UE side can determine whether to enable or disable the data transmission replication function of at least one DRB of the DRB according to the control information sent by the network node.
- the UE can determine, after receiving the control information sent by the two nodes, determine which DRB data transmission replication functions are specifically enabled, and ensure the processing efficiency of the UE.
- the embodiment of the present invention further provides a hardware composition structure of a user equipment UE or a node, as shown in FIG. 10, including: at least one processor 1001, a memory 1002, and at least one network interface 1003.
- the various components are coupled together by a bus system 1004.
- the bus system 1004 is used to implement connection communication between these components.
- the bus system 1004 includes a power bus, a control bus, and a status signal bus in addition to the data bus.
- various buses are labeled as bus system 1004 in FIG.
- the memory 1002 in the embodiments of the present invention may be a volatile memory or a non-volatile memory, or may include both volatile and non-volatile memory.
- the memory 1002 stores elements, executable modules or data structures, or a subset thereof, or their extension set:
- the processor 1001 is configured to be able to process the method steps of any one of the foregoing Embodiments 1 to 3, and details are not described herein.
- the embodiment of the present invention provides a computer storage medium, where the computer storage medium stores computer executable instructions, and when the computer executable instructions are executed, the method steps of any one of the foregoing Embodiments 1 to 3 are implemented.
- Embodiments of the Invention may be stored in a computer readable storage medium if it is implemented in the form of a software function module and sold or used as a standalone product. Based on such understanding, the technical solution of the embodiments of the present invention may be embodied in the form of a software product in essence or in the form of a software product stored in a storage medium, including a plurality of instructions.
- a computer device (which may be a personal computer, a server, or a master node, a secondary node, etc.) is caused to perform all or part of the methods described in various embodiments of the present invention.
- the foregoing storage medium includes various media that can store program codes, such as a USB flash drive, a mobile hard disk, a read only memory (ROM), a magnetic disk, or an optical disk.
- program codes such as a USB flash drive, a mobile hard disk, a read only memory (ROM), a magnetic disk, or an optical disk.
- an embodiment of the present invention further provides a computer storage medium, wherein a computer program is configured, and the computer program is configured to execute a data scheduling method according to an embodiment of the present invention.
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Abstract
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Claims (93)
- 一种数据复制传输的控制方法,应用于用户设备UE,包括:接收主节点发来的第一控制信息,和/或,接收辅助节点发来的第二控制信息;基于所述第一控制信息所对应的第一部分数据无线承载DRB的指示、和/或、基于所述第二控制信息所对应的第二部分DRB的指示,确定开启或关闭至少一个DRB的数据复制传输功能。
- 根据权利要求1所述的方法,其中,所述接收主节点发来的第一控制信息,和/或,接收辅助节点发来的第二控制信息,包括:接收所述主节点发来的比特图格式的第一控制信息;和/或,接收所述辅助节点发来的比特图格式的第二控制信息。
- 根据权利要求2所述的方法,其中,所述方法还包括:基于所述比特图格式的第一控制信息、以及DRB的标识信息之间的对应关系,确定所述第一控制信息所指示的第一部分DRB。
- 根据权利要求2所述的方法,其中,所述方法还包括:基于所述比特图格式的第二控制信息、以及DRB的标识信息之间的对应关系,确定所述第二控制信息所指示的第二部分DRB。
- 根据权利要求1-4任一项所述的方法,其中,所述基于所述第一控制信息所对应的第一部分数据无线承载DRB的指示、和/或、基于所述第二控制信息所对应的第二部分DRB的指示,确定开启或关闭至少一个DRB的数据复制传输功能,包括:当所述第一控制信息对应的第一部分DRB中,包含有作为主小区承载的第一DRB时,确定基于所述第一控制信息的指示,开启或关闭所述第一DRB的数据复制传输功能。
- 根据权利要求5所述的方法,其中,所述第一DRB不包含在第二部分DRB中。
- 根据权利要求1-4任一项所述的方法,其中,所述基于所述第一控制信息所对应的第一部分数据无线承载DRB的指示、和/或、基于所述第二控制信息所对应的第二部分DRB的指示,确定开启或关闭至少一个DRB的数据复制传输功能,包括:当所述第二控制信息对应的第二部分DRB中,包含有作为辅助小区承载的第二DRB时,确定基于所述第二控制信息的指示,开启或关闭所述第二DRB的数据复制传输功能。
- 根据权利要求7所述的方法,其中,所述第二DRB不包含在第一部分DRB中。
- 根据权利要求1-4任一项所述的方法,其中,所述基于所述第一控制信息所对应的第一部分数据无线承载DRB的指示、和/或、基于所述第二控制信息所对应的第二部分DRB的指示,确定开启或关闭至少一个DRB的数据复制传输功能,包括:当所述第一控制信息对应的第一部分DRB中,包含有作为分叉承载的第三DRB时,和/或,当所述第二控制信息对应的第二部分DRB中,包含有作为分叉承载的第三DRB时,基于预设条件,确定开启或关闭所述第三DRB的数据复制传输功能。
- 根据权利要求9所述的方法,其中,所述预设条件包含以下至少之一:基于所述第三DRB的PDCP所在群组,确定由所述群组所对应的节点发来的控制信息来控制开启或关闭所述第三DRB的数据复制传输功能;基于所述第三DRB所对应的默认传输路径,确定由所述默认传输路径之外的控制节点所对应的控制信息来控制开启或关闭所述第三DRB的数据复制传输功能;基于所述第三DRB的PDCP版本,来确定与所述PDCP版本相对应的节点发来的控制信息来控制开启或关闭所述第三DRB的数据复制传输功能。
- 根据权利要求10所述的方法,其中,所述方法还包括:获取第三DRB对应的密钥值,基于所述第三DRB对应的密钥值确定所述第三SRB的PDCP所在群组。
- 根据权利要求10所述的方法,其中,所述第三DRB的PDCP版本为以下之一:LTE PDCP的版本、NR PDCP版本。
- 根据权利要求10所述的方法,其中,所述默认传输路径为当复制数据传输功能处于去激活状态时所采用的路径。
- 根据权利要求1所述的方法,其中,所述方法还包括:根据预设规则,确定所述至少一个DRB中的每一个DRB对应于第一控制信息或第二控制信息。
- 根据权利要求14所述的方法,其中,所述预设规则包括以下至少之一:当DRB为主小区承载时,所述DRB包含在所述第一控制信息对应的第一部分DRB中;当DRB为辅助小区承载时,所述DRB包含在所述第二控制信息对应的第二部分DRB中。
- 根据权利要求15所述的方法,其中,当所述DRB为主小区承载时,不包含在第二部分DRB中。
- 根据权利要求15所述的方法,其中,当所述DRB为辅助小区承载时,不包含在第一部分DRB中。
- 根据权利要求14-15所述的方法,其中,所述预设规则还包括以下至少之一:当DRB的PDCP版本为第一版本时,所述DRB包含在所述第一控制信息对应的第一部分DRB中;当DRB的PDCP版本为第二版本时,所述DRB包含在所述第二控制信息对应的第二部分DRB中。
- 根据权利要求18所述的方法,其中,所述第一版本与第二版本不同,所述第一版本与第二版本分别为LTE PDCP版本以及NR PDCP版本中之一。
- 根据权利要求18所述的方法,其中,所述方法还包括:当DRB的PDCP版本为第二版本时,所述DRB不包含在所述第一部分DRB中;当DRB的PDCP版本为第一版本时,所述DRB不包含在所述第二部分DRB中。
- 根据权利要求14-18所述的方法,其中,所述预设规则还包括以下至少之一:当DRB的PDCP使用主小区组密钥时,所述DRB包含在所述第一控制信息对应的第一部分DRB中;当DRB的PDCP使用辅小区组密钥时,所述DRB包含在所述第二控制信息对应的第二部分DRB中。
- 根据权利要求21所述的方法,其中,所述方法还包括:当DRB的PDCP使用主小区组密钥时,所述DRB不包含在所述第二控制信息对应的第二部分DRB中;当DRB的PDCP使用辅小区组密钥时,所述DRB不包含在所述第一控制信息对应的第一部分DRB中。
- 根据权利要求14所述的方法,其中,所述预设规则还包括以下至少之一:当DRB为分叉承载时,基于所述DRB的PDCP所在群组,确定由PDCP所在群组所对应的节点发来的控制信息所述DRB进行控制;当DRB为分叉承载时,基于所述DRB所对应的默认传输路径,确定由所述默认传输路径之外的节点发来的控制信息对所述DRB进行控制;当DRB为分叉承载时,基于所述DRB所对应的默认传输路径,确定由所述默认传输路径的节点发来的控制信息对所述DRB进行控制;当DRB为分叉承载时,基于所述DRB的PDCP版本,确定与所述PDCP版本相对应的节点发来的控制信息对所述DRB进行控制;当DRB为分叉承载时,基于节点的空口类型,确定特定空口类型的节点发来的控制信息对所述DRB进行控制。
- 根据权利要求23所述的方法,其中,所述方法还包括:当DRB为分叉承载时,基于所述DRB的PDCP所在群组,确定DRB所不在群组对应的节点发出的控制信息不能够对所述DRB进行控制。
- 根据权利要求23所述的方法,其中,所述方法还包括:当DRB为分叉承载时,基于所述DRB所对应的默认传输路径,确定由所述默认传输路径的节点发来的控制信息不能够对所述DRB进行控制。
- 根据权利要求23所述的方法,其中,所述方法还包括:当DRB为分叉承载时,基于所述DRB的PDCP版本,确定与所述PDCP版本不对应的节点发来的控制信息不能够对所述DRB进行控制。
- 根据权利要求23所述的方法,其中,所述方法还包括:获取第三DRB对应的密钥值,基于所述第三DRB对应的密钥值确定所述第三SRB的PDCP所在群组。
- 根据权利要求23所述的方法,其中,所述第三DRB的PDCP版本为以下之一:LTE PDCP的版本、NR PDCP版本。
- 根据权利要求23所述的方法,其中,所述默认传输路径为当复制数据传输功能处于去激活状态时所采用的路径。
- 一种数据复制传输的控制方法,应用于网络节点,包括:根据预设条件,确定主节点发送第一控制信息,和/或,确定辅助节点发送第二控制信息;基于所述第一控制信息所对应的第一部分数据无线承载DRB的指示、和/或、基于所述第二控制信息所对应的第二部分DRB的指示,用于确定终端设备开启或关闭至少一个DRB的数据复制传输功能。
- 根据权利要求30所述的方法,其中,所述方法还包括:所述至少一个DRB中包含PDCP版本为第一版本的DRB的情况下,确定辅助节点不发送第二控制信息。
- 根据权利要求31所述的方法,其中,所述至少一个DRB中包含PDCP版本为第一版本的DRB的情况下时,所述方法还包括:所述至少一个DRB中包含分流承载,确定辅助节点不发送第二控制信息。
- 根据权利要求30所述的方法,其中,所述方法还包括:所述至少一个DRB中包含PDCP版本为第二版本的DRB的情况下,确定主节点不发送第一控制信息。
- 根据权利要求33所述的方法,其中,所述至少一个DRB中包含PDCP版本为第二版本的DRB的情况下,时,所述方法还包括:所述至少一个DRB中包含分流承载,或者所述至少一个DRB中包含PDCP版本为第二版本的的主小区组承载。
- 一种数据复制传输的控制方法,应用于主节点,包括:与辅助节点协商,确定开启或关闭目标UE的至少一个数据无线承载的数据复制传输功能;基于所述协商结果,确定所述主节点控制所述目标UE开启或关闭所述至少一个数据无线承载中的第一部分数据无线承载的数据复制功能,以及所述辅助节点控制所述目标UE开启或关闭所述至少一个数据无线承载中的第二部分数据无线承载的数据复制功能;其中,所述第一部分数据无线承载于所述第二部分数据无线承载至少部分不同;基于确定开启或关闭的所述第一部分数据无线承载DRB的数据复制功能,生成第一控制信息,发送所述第一控制信息至所述目标UE。
- 根据权利要求35所述的方法,其中,所述基于确定开启或关闭的所述第一部分DRB的数据复制功能,生成第一控制信息,包括:获取DRB的标识信息、与比特图的数据位之间的对应关系;通过对比特图中与所述第一部分DRB的标识信息所对应的数据位进行设置,生成所述第一控制信息。
- 根据权利要求35所述的方法,其中,所述方法还包括:当目标DRB作为分叉承载时,基于所述DRB的PDCP所在群组对应的节点为主节点或辅助节点,确定由主节点或辅助节点生成控制信息以控制所述目标DRB的数据复制功能的开启或关闭。
- 根据权利要求35所述的方法,其中,所述方法还包括:当目标DRB作为分叉承载时,基于所述目标DRB所对应的默认传输路径,确定由所述默认传输路径之外的主节点或辅助节点生成控制信息来控制开启或关闭所述第三DRB的数据复制传输功能。
- 根据权利要求35所述的方法,其中,所述方法还包括:当目标DRB作为分叉承载时,基于所述目标DRB的PDCP版本,确定与所述PDCP版本相对应的主节点或辅助节点生成控制信息,以通过控制信息来控制开启或关闭所述第三DRB的数据复制传输功能。
- 一种数据复制传输功能的控制方法,应用于辅助节点,包括:与主节点协商,确定是否开启或关闭目标UE的至少一个数据无线承载的数据复制传输功能;基于所述协商结果,确定所述主节点控制所述目标UE开启或关闭所述至少一个数据无线承载中的第一部分数据无线承载DRB的数据复制功能,以及所述辅助节点控制所述目标UE开启所述至少一个DRB中的第二部分数据无线承载的数据复制功能;其中,所述第一部分DRB与所述第二部分DRB至少部分不同;基于确定开启或关闭的所述第二部分DRB的数据复制功能,生成第二控制信息,发送所述第二控制信息至所述目标UE。
- 根据权利要求40所述的方法,其中,所述生成第二控制信息,包括:获取DRB的标识信息、与比特图的数据位之间的对应关系;通过对比特图中与所述第二部分DRB的标识信息所对应的数据位进行设置,生成所述第二控制信息。
- 根据权利要求40所述的方法,其中,所述方法还包括:当目标DRB作为分叉承载时,基于所述DRB的PDCP所在群组对应的节点为主节点或辅助节点,确定由主节点或辅助节点生成控制信息以控制所述目标DRB的数据复制功能的开启或关闭。
- 根据权利要求40所述的方法,其中,所述方法还包括:当目标DRB作为分叉承载时,基于所述目标DRB所对应的默认传输路径,确定由所述默认传输路径之外的主节点或辅助节点生成控制信息来控制开启或关闭所述第三DRB的数据复制传输功能。
- 根据权利要求40所述的方法,其中,所述方法还包括:当目标DRB作为分叉承载时,基于所述目标DRB的PDCP版本,确定与所述PDCP版本相对应的主节点或辅助节点生成控制信息,以通过控制信息来控制开启或关闭所述第三DRB的数据复制传输功能。
- 一种UE,包括:第一通信单元,接收主节点发来的第一控制信息,和/或,接收辅助节点发来的第二控制信息;第一处理单元,基于所述第一控制信息所对应的第一部分数据无线承载DRB的指示、和/或、基于所述第二控制信息所对应的第二部分DRB的指示,确定开启或关闭至少一个DRB的数据复制传输功能。
- 根据权利要求45所述的UE,其中,所述第一通信单元,接收所述主节点发来的比特图格式的第一控制信息;和/或,接收所述辅助节点发来的比特图格式的第二控制信息。
- 根据权利要求46所述的UE,其中,所述第一处理单元,基于所述比特图格式的第一控制信息、以及DRB的标识信息之间的对应关系,确定所述第一控制信息所指示的第一部分DRB。
- 根据权利要求46所述的UE,其中,所述第一处理单元,基于所述比特图格式的第二控制信息、以及DRB的标识信息之间的对应关系,确定所述第二控制信息所指示的第二部分DRB。
- 根据权利要求45-48任一项所述的UE,其中,所述第一处理单元,当所述第一控制信息对应的第一部分DRB中,包含有作为主小区承载的第一DRB时,确定基于所述第一控制信息的指示,开启或关闭所述第一DRB的数据复制传输功能。
- 根据权利要求49所述的UE,其中,所述第一DRB不包含在第二部分DRB中。
- 根据权利要求45-48任一项所述的UE,其中,所述第一处理单元,当所述第二控制信息对应的第二部分DRB中,包含有作为辅助小区承载的第二DRB时,确定基于所述第二控制信息的指示,开启或关闭所述第二DRB的数据复制传输功能。
- 根据权利要求51所述的UE,其中,所述第二DRB不包含在第一部分DRB中。
- 根据权利要求45-48任一项所述的UE,其中,所述第一处理单元,当所述第一控制信息对应的第一部分DRB中,包含有作为分叉承载的第三DRB时,和/或,当所述第二控制信息对应的第二部分DRB中,包含有作为分叉承载的第三DRB时,基于预设条件,确定开启或关闭所述第三DRB的数据复制传输功能。
- 根据权利要求53所述的UE,其中,所述预设条件包含以下至少之一:基于所述第三DRB的PDCP所在群组,确定由所述群组所对应的节点发来的控制信息来控制开启或关闭所述第三DRB的数据复制传输功能;基于所述第三DRB所对应的默认传输路径,确定由所述默认传输路径之外的控制节点所对应的控制信息来控制开启或关闭所述第三DRB的数据复制传输功能;基于所述第三DRB的PDCP版本,来确定与所述PDCP版本相对应的节点发来的控制信息来控制开启或关闭所述第三DRB的数据复制传输功能。
- 根据权利要求54所述的UE,其中,所述第一处理单元,获取第三DRB对应的密钥值,基于所述第三DRB对应的密钥值确定所述第三SRB的PDCP所在群组。
- 根据权利要求54所述的UE,其中,所述第三DRB的PDCP版本为以下之一:LTE PDCP的版本、NR PDCP版本。
- 根据权利要求54所述的UE,其中,所述默认传输路径为当复制数据传输功能处于去激活状态时所采用的路径。
- 根据权利要求55所述的UE,其中,所述第一处理单元,根据预设规则,确定所述至少一个DRB中的每一个DRB对应于第一控制信息或第二控制信息。
- 根据权利要求58所述的UE,其中,所述预设规则包括以下至少之一:当DRB为主小区承载时,所述DRB包含在所述第一控制信息对应的第一部分DRB中;当DRB为辅助小区承载时,所述DRB包含在所述第二控制信息对应的第二部分DRB中。
- 根据权利要求59所述的UE,其中,当所述DRB为主小区承载时,不包含在第二部分DRB中。
- 根据权利要求59所述的UE,其中,当所述DRB为辅助小区承载时,不包含在第一部分DRB中。
- 根据权利要求58或59所述的UE,其中,所述预设规则还包括以下至少之一:当DRB的PDCP版本为第一版本时,所述DRB包含在所述第一控制信息对应的第一部分DRB中;当DRB的PDCP版本为第二版本时,所述DRB包含在所述第二控制信息对应的第二部分DRB中。
- 根据权利要求62所述的UE,其中,所述第一版本与第二版本不同,所述第一版本与第二版本分别为LTE PDCP版本以及NR PDCP版本中之一。
- 根据权利要求63所述的UE,其中,当DRB的PDCP版本为第二版本时,所述DRB不包含在所述第一部分DRB中;当DRB的PDCP版本为第一版本时,所述DRB不包含在所述第二部分DRB中。
- 根据权利要求58-64所述的UE,其中,所述预设规则还包括以下至少之一:当DRB的PDCP使用主小区组密钥时,所述DRB包含在所述第一控制信息对应的第一部分DRB中;当DRB的PDCP使用辅小区组密钥时,所述DRB包含在所述第二控制信息对应的第二部分DRB中。
- 根据权利要求65所述的UE,其中,当DRB的PDCP使用主小区组密钥时,所述DRB不包含在所述第二控制信息对应的第二部分DRB中;当DRB的PDCP使用辅小区组密钥时,所述DRB不包含在所述第一控制信息对应的第一部分DRB中。
- 根据权利要求66所述的UE,其中,当所述DRB为主小区承载时,不包含在第二部分DRB中。
- 根据权利要求66所述的UE,其中,当所述DRB为辅助小区承载时,不包含在第一部分DRB中。
- 根据权利要求58所述的UE,其中,所述预设规则还包括以下至少之一:当DRB为分叉承载时,基于所述DRB的PDCP所在群组,确定由PDCP所在群组所对应的节点发来的控制信息所述DRB进行控制;当DRB为分叉承载时,基于所述DRB所对应的默认传输路径,确定由所述默认传输路径之外的节点发来的控制信息对所述DRB进行控制;当DRB为分叉承载时,基于所述DRB所对应的默认传输路径,确定由所述默认传输路径的节点发来的控制信息对所述DRB进行控制;当DRB为分叉承载时,基于所述DRB的PDCP版本,确定与所述PDCP版本相对应的节点发来的控制信息对所述DRB进行控制;当DRB为分叉承载时,基于节点的空口类型,确定特定空口类型的节点发来的控制信息对所述DRB进行控制。
- 根据权利要求69所述的UE,其中,所述第一处理单元,当DRB为分叉承载时,基于所述DRB的PDCP所在群组,确定DRB所不在群组对应的节点发出的控制信息不能够对所述DRB进行控制。
- 根据权利要求69所述的UE,其中,所述第一处理单元,当DRB为分叉承载时,基于所述DRB所对应的默认传输路径,确定由所述默认传输路径的节点发来的控制信息不能够对所述DRB进行控制。
- 根据权利要求69所述的UE,其中,所述第一处理单元,当DRB为分叉承载时,基于所述DRB的PDCP版本,确定与所述PDCP版本不对应的节点发来的控制信息不能够对所述DRB进行控制。
- 根据权利要求72所述的UE,其中,所述第一处理单元,获取第三DRB对应的密钥值,基于所述第三DRB对应的密钥值确定所述第三SRB的PDCP所在群组。
- 根据权利要求72所述的UE,其中,所述第三DRB的PDCP版本为以下之一:LTE PDCP的版本、NR PDCP版本。
- 根据权利要求72所述的UE,其中,所述默认传输路径为当复制数据传输功能处于去激活状态时所采用的路径。
- 一种网络节点,包括:第四通信单元,根据预设条件,确定主节点发送第一控制信息,和/或,确定辅助节点发送第二控制信息;第四处理单元,基于所述第一控制信息所对应的第一部分数据无线承载DRB的指示、和/或、基于所述第二控制信息所对应的第二部分DRB的指示,用于确定终端设备开启或关闭至少一个DRB的数据复制传输功能。
- 根据权利要求76所述的网络节点,其中,所述第四处理单元,在所述至少一个DRB中包含PDCP版本为第一版本的DRB的情况下,确定辅助节点不发送第二控制信息。
- 根据权利要求76所述的网络节点,其中,所述第四处理单元,所述至少一个DRB中包含PDCP版本为第一版本的DRB的情况下时,所述至少一个DRB中包含分流承载,确定辅助节点不发送第二控制信息。
- 根据权利要求76所述的网络节点,其中,所述第四处理单元,所述至少一个DRB中包含PDCP版本为第二版本的DRB的情况下,确定主节点不发送第一控制信息。
- 根据权利要求79所述的网络节点,其中,所述第四处理单元,所述至少一个DRB中包含PDCP版本为第二版本的DRB的情况下时,所述至少一个DRB中包含分流承载,或者所述至少一个DRB中包含PDCP版本为第二版本的的主小区组承载。
- 一种主节点,包括:第二通信单元,与辅助节点协商,确定开启或关闭目标UE的至少一个数据无线承载的数据复制传输功能;以及发送所述第一控制信息至所述目标UE;第二处理单元,基于所述协商结果,确定所述主节点控制所述目标UE开启或关闭所述至少一个数据无线承载中的第一部分数据无线承载的数据复制功能,以及所述辅助节点控制所述目标UE开启或关闭所述至少一个数据无线承载中的第二部分数据无线承载的数据复制功能;其中,所述第一部分数据无线承载于所述第二部分数据无线承载至少部分不同;基于确定开启或关闭的所述第一部分数据无线承载DRB的数据复制功能,生成第一控制信息。
- 根据权利要求81所述的主节点,其中,所述第二处理单元,获取DRB的标识信息、与比特图的数据位之间的对应关系;通过对比特图中与所述第一部分DRB的标识信息所对应的数据位进行设置,生成所述第一控制信息。
- 根据权利要求81所述的主节点,其中,所述第二处理单元,当目标DRB作为分叉承载时,基于所述DRB的PDCP所在群组对应的节点为主节点或辅助节点,确定由主节点或辅助节点生成控制信息以控制所述目标DRB的数据复制功能的开启或关闭。
- 根据权利要求81所述的主节点,其中,所述第二处理单元,当目标DRB作为分叉承载时,基于所述目标DRB所对应的默认传输路径,确定由所述默认传输路径之外的主节点或辅助节点生成控制信息来控制开启或关闭所述第三DRB的数据复制传输功能。
- 根据权利要求81所述的主节点,其中,所述第二处理单元,当目标DRB作为分叉承载时,基于所述目标DRB的PDCP版本,确定与所述PDCP版本相对应的主节点或辅助节点生成控制信息,以通过控制信息来控制开启或关闭所述第三DRB的数据复制传输功能。
- 一种辅助节点,包括:第三通信单元,与主节点协商,确定是否开启或关闭目标UE的至少一个数据无线承载的数据复制传输功能;以及发送第二控制信息至所述目标UE;第三处理单元,基于所述协商结果,确定所述主节点控制所述目标UE开启或关闭所述至少一个数据无线承载中的第一部分数据无线承载DRB的数据复制功能,以及所述辅助节点控制所述目标UE开启或关闭所述至少一个DRB中的第二部分数据无线承载的数据复制功能;其中,所述第一部分DRB与所述第二部分DRB至少部分不同;基于确定开启或关闭的所述第二部分DRB的数据复制功能,生成第二控制信息。
- 根据权利要求86所述的辅助节点,其中,所述第三处理单元,获取DRB的标识信息、与比特图的数据位之间的对应关系;通过对比特图中与所述第二部分DRB的标识信息所对应的数据位进行设置,生成所述第二控制信息。
- 根据权利要求86所述的辅助节点,其中,所述第三处理单元,当目标DRB作为分叉承载时,基于所述DRB的PDCP所在群组对应的节点为主节点或辅助节点,确定由主节点或辅助节点生成控制信息以控制所述目标DRB的数据复制功能的开启或关闭。
- 根据权利要求86所述的辅助节点,其中,所述第三处理单元,当目标DRB作为分叉承载时, 基于所述目标DRB所对应的默认传输路径,确定由所述默认传输路径之外的主节点或辅助节点生成控制信息来控制开启或关闭所述第三DRB的数据复制传输功能。
- 根据权利要求86所述的辅助节点,其中,所述第三处理单元,当目标DRB作为分叉承载时,基于所述目标DRB的PDCP版本,确定与所述PDCP版本相对应的主节点或辅助节点生成控制信息,以通过控制信息来控制开启或关闭所述第三DRB的数据复制传输功能。
- 一种UE,包括:处理器和用于存储能够在处理器上运行的计算机程序的存储器,其中,所述处理器用于运行所述计算机程序时,执行权利要求1-29任一项所述方法的步骤。
- 一种节点,包括:处理器和用于存储能够在处理器上运行的计算机程序的存储器,其中,所述处理器用于运行所述计算机程序时,执行权利要求30-44任一项所述方法的步骤。
- 一种计算机存储介质,所述计算机存储介质存储有计算机可执行指令,所述计算机可执行指令被执行时实现权利要求1-44任一项所述的方法步骤。
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JP2020526949A JP2021503244A (ja) | 2017-11-15 | 2018-04-25 | データ複製伝送の制御方法、ユーザーデバイス及びノード |
CN202010256281.2A CN111585714B (zh) | 2017-11-15 | 2018-04-25 | 数据复制传输的控制方法、用户设备、节点 |
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