WO2019056326A1 - 数据传输方法及相关设备 - Google Patents

数据传输方法及相关设备 Download PDF

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Publication number
WO2019056326A1
WO2019056326A1 PCT/CN2017/103024 CN2017103024W WO2019056326A1 WO 2019056326 A1 WO2019056326 A1 WO 2019056326A1 CN 2017103024 W CN2017103024 W CN 2017103024W WO 2019056326 A1 WO2019056326 A1 WO 2019056326A1
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WO
WIPO (PCT)
Prior art keywords
bearer
network node
control information
signaling
user equipment
Prior art date
Application number
PCT/CN2017/103024
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English (en)
French (fr)
Inventor
唐海
Original Assignee
Oppo广东移动通信有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Oppo广东移动通信有限公司 filed Critical Oppo广东移动通信有限公司
Priority to PCT/CN2017/103024 priority Critical patent/WO2019056326A1/zh
Priority to CN201780052236.1A priority patent/CN109716814B/zh
Publication of WO2019056326A1 publication Critical patent/WO2019056326A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports

Definitions

  • the present application relates to the field of communications technologies, and in particular, to a data transmission method and related devices.
  • the replication data transmission method uses a split bearer protocol architecture.
  • the Packet Data Convergence Protocol (PDCP) layer is located at a certain one.
  • a Cell Cell Group, CG
  • MCG Master Cell Group
  • SCG Secondary Cell Group
  • the PDCP layer of the sender device copies the PDCP Protocol Data Unit (PDU) into the same two copies, for example, one PDCP PDU and one Duplicated PDCP PDU.
  • the two PDCP PDUs are controlled by different CG radio link layers.
  • the Radio Link Control (RLC) layer and the Media Access Control (MAC) layer reach the corresponding MAC layer and RLC layer of the receiving end device through the air interface, and finally converge to the PDCP layer.
  • the PDCP layer detects that two PDCP PDUs are the same PDU, the PDCP layer discards one of the PDUs at this time, and delivers another PDU to the upper layer.
  • the embodiment of the present application provides a data transmission method and related equipment, which can avoid the problem that the network node incorrectly controls the bearer.
  • an embodiment of the present application provides a data transmission method, including:
  • the first network node receives signaling from the second network node, the signaling including at least one related information of the control information used by the bearer;
  • the first network node sends control information used by the at least one bearer to the user equipment, and the control information used by the at least one bearer is determined based on the related information.
  • an embodiment of the present application provides a data transmission method, including:
  • the second network node sends signaling to the first network node, where the signaling includes at least one related information of the control information used by the bearer, the related information is used by the first network node to determine the at least The control information used by a bearer.
  • an embodiment of the present application provides a data transmission method, including:
  • the user equipment receives control information used by at least one bearer from the first network node, and the control information used by the at least one bearer is determined based on related information of control information used by the at least one bearer, the related information And sending, by the second network device, the first network device by using signaling.
  • the embodiment of the present application provides a network node, where the network node is used in a communications system including a first network node, a second network node, and a user equipment, where the network node is the first network node, and the first
  • the network node includes a processing unit and a communication unit, wherein:
  • the processing unit is configured to receive, by using the communication unit, signaling from a second network node, where the signaling includes at least one related information of a control information used by the bearer; and sending, by the communication unit, the user equipment, The control information used by the at least one bearer, the control information used by the at least one bearer is determined based on the related information.
  • the embodiment of the present application provides a network node, where the network node is used in a communications system including a first network node, a second network node, and a user equipment, where the network node is the second network node, and the second
  • the network node includes a processing unit and a communication unit, wherein:
  • the processing unit is configured to send, by using the communication unit, signaling to the first network node, where the signaling includes at least one related information of the control information used by the bearer, where the related information is used by the first network node Determining control information used by the at least one bearer.
  • an embodiment of the present application provides a user equipment, including a processing unit and a communication unit, where:
  • the processing unit is configured to receive, by using the communication unit, control information used by at least one bearer of the first network node, where the control information used by the at least one bearer is based on control information used by the at least one bearer
  • the related information is determined, and the related information is sent by the second network device to the first network device by using signaling.
  • an embodiment of the present application provides a network node, including one or more processors, one or more memories, one or more transceivers, and one or more programs, where the one or more programs are Stored in the memory and configured to be executed by the one or more processors, the program comprising instructions for performing the steps in the method of the first aspect.
  • an embodiment of the present application provides a network node, including one or more processors, one or more memories, one or more transceivers, and one or more programs, where the one or more programs are Stored in the memory and configured to be executed by the one or more processors, the program comprising instructions for performing the steps in the method of the second aspect.
  • an embodiment of the present application provides a user equipment, including one or more processors, one or more memories, one or more transceivers, and one or more programs, where the one or more programs are Stored in the memory and configured to be executed by the one or more processors, the program comprising instructions for performing the steps in the method of the third aspect.
  • an embodiment of the present application provides a computer readable storage medium storing a computer program for electronic data exchange, wherein the computer program causes a computer to perform the method as described in the first aspect.
  • an embodiment of the present application provides a computer readable storage medium storing a computer program for electronic data exchange, wherein the computer program causes the computer to perform the method of the second aspect.
  • the embodiment of the present application provides a computer readable storage medium storing a computer program for electronic data exchange, wherein the computer program causes the computer to perform the method as described in the third aspect.
  • the embodiment of the present application provides a computer program product, comprising: a non-transitory computer readable storage medium storing a computer program, the computer program being operative to cause a computer to perform the first aspect Said method.
  • the embodiment of the present application provides a computer program product, comprising: a non-transitory computer readable storage medium storing a computer program, the computer program being operative to cause a computer to perform the second aspect Said method.
  • the embodiment of the present application provides a computer program product, comprising: a non-transitory computer readable storage medium storing a computer program, the computer program being operative to cause a computer to perform the third aspect Said method.
  • FIG. 1 is a schematic diagram of a network architecture provided by an embodiment of the present application.
  • FIG. 3 is a schematic diagram of an overall structure of a MAC PDU according to an embodiment of the present application.
  • FIG. 4 is a schematic structural diagram of a network node according to an embodiment of the present application.
  • FIG. 5 is a schematic structural diagram of another network node according to an embodiment of the present disclosure.
  • FIG. 6 is a schematic structural diagram of a user equipment according to an embodiment of the present application.
  • FIG. 7 is a schematic structural diagram of another network node according to an embodiment of the present disclosure.
  • FIG. 8 is a schematic structural diagram of another network node according to an embodiment of the present disclosure.
  • FIG. 9 is a schematic structural diagram of another user equipment according to an embodiment of the present disclosure.
  • FIG. 10 is a schematic structural diagram of another user equipment according to an embodiment of the present application.
  • references to "an embodiment” herein mean that a particular feature, structure, or characteristic described in connection with the embodiments can be included in at least one embodiment of the present application.
  • the appearances of the phrases in various places in the specification are not necessarily referring to the same embodiments, and are not exclusive or alternative embodiments that are mutually exclusive. Those skilled in the art will understand and implicitly understand that the embodiments described herein can be combined with other embodiments.
  • FIG. 1 is a schematic diagram of a network architecture disclosed in an embodiment of the present application.
  • the network architecture includes a master node (MN) 110 and at least one slave node (SN).
  • MN master node
  • SN slave node
  • the primary network node 110 provides a basic network coverage 130.
  • At least one secondary network node 120 provides a relatively small network coverage 140.
  • the User Equipment (UE) in the common coverage of the primary network node 110 and the secondary network node 120 will be able to establish a communication connection with the primary network node 110 and the secondary network node 120 at the same time.
  • UE User Equipment
  • the case where one user equipment 150 is simultaneously connected to one primary network node 110 and at least one secondary network node 120 is referred to as a dual connection.
  • the user equipment is a device that provides voice and/or data connectivity to the user, for example, a handheld device with a wireless connection function, an in-vehicle device, and the like.
  • Common user devices include, for example, mobile phones, tablets, notebook computers, PDAs, mobile internet devices (MIDs), wearable devices such as smart watches, smart bracelets, pedometers, and the like.
  • a network node refers to a computer or other device connected to a network that has a separate address and has the function of transmitting or receiving data.
  • Network nodes can be workstations, customers, network users, or personal computers, but can also be servers, printers, and other network-connected devices.
  • Each workstation, server, user equipment, network device refers to the node device on the network side, including but not limited to: evolved Node B (eNB), radio network controller (RNC), node B) (Node B, NB), Base Station Controller (BSC), Base Transceiver Station (BTS), and home base station (for example, Home evolved NodeB, Or Home Node B, HNB, BaseBand Unit (BBU), Mobility Management Entity (MME), etc., that is, devices with their own unique network addresses are network nodes.
  • eNB evolved Node B
  • RNC radio network controller
  • node B) Node B, NB
  • BSC Base Station Controller
  • BTS Base Transceiver Station
  • home base station for example, Home evolved NodeB, Or Home Node B, HNB, BaseBand Unit (BBU), Mobility Management Entity (MME), etc.
  • NR New Radio
  • a radio bearer configured with a duplicate data transmission function
  • CE MAC control element
  • the primary network node and the secondary network node may respectively send a MAC CE to activate or deactivate the data replication transmission function of one of the split bearers of the user equipment.
  • the current NR discussion has agreed that the MAC CE contains a bitmap and the bitmap is 1 byte. The different locations in the bitmap correspond to different bearer IDs of the user equipment. The bearer indicated by these bearer IDs is the bearer configured with the data replication transmission function.
  • the bearer ID of the user equipment is 0, 2, 3, 7, 8, 10 and the correspondence between the bitmap and the bearer ID included in the MAC CE is: the first bit in the bitmap corresponds to the bearer ID 0, and the second bit corresponds to the bearer ID 2
  • the third bit corresponds to the bearer ID 3
  • the fourth bit corresponds to the bearer ID 7
  • the fifth bit corresponds to the bearer ID 8
  • the sixth bit corresponds to the bearer ID 10
  • the seventh bit and the eighth bit are invalid bits
  • the MAC CE contains the bitmap.
  • the correspondence with the bearer ID is an ascending correspondence.
  • the correspondence between the bitmap and the bearer ID included in the MAC CE may also be a descending correspondence.
  • the bearer ID is 0, 2, 3, 7, 8, 10 is configured with the data copy transmission function, and the bearer ID is 1.
  • the bearers of 4, 5, 6, and 9 are not configured.
  • the data copy transmission function is not used. If some bearers configured with duplication are non-split bearers, for example, for MCG bearer, if carrier aggregation (CA) duplication is used, the bearer should appear in the MAC CE, for example, the above example, bearer ID 3, The third bit of the bitmap included in the MAC CE is occupied, but since the MCG bearer is managed by the master node (MN), the slave node (SN) does not know the bearer status on the primary network node.
  • MN master node
  • SN slave node
  • the secondary network node does not know that the third bit of the MAC CE is occupied by the bearer ID 3. In this case, if the secondary network node sends the MAC CE to the user equipment, the third bit of the bitmap is used to control the bearer ID. For The bearer of 7, which may cause the secondary network node to incorrectly control the bearer problem.
  • FIG. 2 is a schematic flowchart of data transmission according to an embodiment of the present disclosure.
  • the first network node may be a primary network node or a secondary network node.
  • the second network node may be a primary network node or a secondary network node.
  • the following first network node is described in detail by the secondary network node and the second network node by the primary network node.
  • the method includes the following steps:
  • Step S201 The second network node sends signaling to the first network node, where the signaling includes at least one related information of the control information used by the bearer; the first network node receives the signaling from the second network node.
  • the signaling sent by the second network node to the first network node may be, for example, X2 or Xn interface signaling.
  • the at least one bearer refers to a bearer of the user equipment configured with a data copy transmission function.
  • the control information used by the at least one bearer refers to information included in the MAC CE used to activate or deactivate the data replication transmission function of the certain bearer, that is, the control information used by the at least one bearer is included in the MAC CE. 1 byte information.
  • the overall structure of the MAC PDU is as shown in FIG. 3.
  • One MAC PDU is composed of a MAC header and a MAC payload.
  • the MAC load consists of a MAC sub-PDU (MAC sub-PDU), a MAC CE, and an optional padding.
  • MAC sub-PDU MAC sub-PDU
  • MAC CE MAC sub-PDU
  • MAC CE MAC CE for Power Headroom Report
  • MAC CE for Buffer Status Report
  • MAC CE for Timing Advance Command.
  • the MAC CE in this application is used to transmit the data replication transmission function of the control user equipment.
  • the signaling further includes first indication information, where the first indication information is used to indicate that at least one of the at least one bearer is a bearer on the first network node or The bearer on the second network node.
  • bearer ID 0 bearer ID 2
  • bearer ID3 bearers on the second network node
  • bearer ID7, bearer ID8, and bearer ID10 are bearers on the first network node. Since the first network node is a dual-connected secondary network node, the first network node does not know the situation of the second network node, and thus does not know bearer ID 0, bearer ID2, bearer ID3 bearer on the second network node.
  • the second network node notifies, by signaling, that the at least one bearer of the first network node bearer ID 0, bearer ID2, bearer ID3 is a bearer on the second network node; or, the second network The node may notify, by signaling, that the at least one bearer of the first network node bearer ID7, bearer ID8, bearer ID10 is a bearer on the first network node; or the second network node may notify the first network node bearer ID by signaling 0, bearer ID2, bearer ID3, bearer ID7, bearer ID8, bearer ID10 is at least one bearer on the second network node or a bearer on the first network node.
  • the signaling further includes second indication information, where the second indication information is used to indicate that the first network node stops or starts to use control information used to send the bearer.
  • the user equipment may misinterpret the bit on the MAC CE. Therefore, the user equipment is configured on the second network node. After that, the user has defined the MAC CE interpretation mode, and the second network device indicates that the first network device MAC CE can be sent by signaling.
  • the related information includes third indication information, where the third indication information is used to indicate a bit on the first network node that is carried in the control information used by the at least one bearer. .
  • bearer ID 0 bearer ID 2
  • bearer ID 3 bearers on the second network node
  • bearer ID7, bearer ID8, and bearer ID10 are bearers on the first network node.
  • the control information used by at least one bearer is 1 byte of information contained in the MAC CE. Since the first network node is a dual-connected secondary network node, the first network node does not know the situation of the second network node, and thus does not know bearer ID 0, bearer ID2, bearer ID3 bearer on the second network node.
  • the second network device informs the first network node bearer ID7, bearer ID8, bearer ID10, the bit in the 1 byte information included in the MAC CE, such as the bearer ID7 in the fourth bit. Bit, bearer ID8 is in the fifth bit, Bearer ID10 is in the sixth bit. This can avoid the problem of the first network node erroneously controlling the bearer.
  • the related information includes fourth indication information, where the fourth indication information is used to indicate a bit on the second network node that is carried in the control information used by the at least one bearer. .
  • bearer ID 0 bearer ID 2
  • bearer ID 3 bearers on the second network node
  • bearer ID7, bearer ID8, and bearer ID10 are bearers on the first network node.
  • the control information used by at least one bearer is 1 byte of information contained in the MAC CE. Since the first network node is a dual-connected secondary network node, the first network node does not know the situation of the second network node, and thus does not know bearer ID 0, bearer ID2, bearer ID3 bearer on the second network node.
  • the second network device notifies the first network node bearer ID 0, bearer ID2, bearer ID3 in the 1 byte information contained in the MAC CE, such as bearer ID0 in the first The bit, bearer ID2 is in the second bit, and bearer ID3 is in the third bit, so that the first network node can know that bearer ID7 is in the fourth bit, bearer ID8 is in the fifth bit, bearer ID10 is in The sixth bit. This can avoid the problem of the first network node erroneously controlling the bearer.
  • Step S202 The first network node sends control information used by the at least one bearer to the user equipment, where the control information used by the at least one bearer is determined based on the related information, and the user equipment receives the information from the first network node. At least one bearer controls information used.
  • the specific implementation manner of the first network node sending the control information used by the at least one bearer to the user equipment is: when the first network node has data sent to the user equipment, the PDCP layer of the first network node is The data to be sent is encapsulated into a PDCP PDU, and then the encapsulated PDCP PDU is sent to the RLC layer, and then the RLC layer sends the RLC PDU to the MAC layer, and the MAC layer sends the control information to be sent in the MAC CE and the data sent by the RLC layer.
  • the MAC PDU is encapsulated into a MAC PDU, and then the MAC layer of the first network node sends the encapsulated MAC PDU to the user equipment through the interface.
  • a specific implementation manner of the user equipment receiving the control information used by the at least one bearer of the first network node is: the MAC layer of the user equipment receives the MAC layer from the first network node and sends the MAC layer.
  • MAC PDU the MAC layer of the user equipment demultiplexes the received MAC PDU to obtain the MAC CE included in the MAC PDU, and the control information included in the MAC CE can be obtained.
  • the first network node does not know the second network node, the second network node notifies the first network node by signaling, and the control information used by at least one bearer of the user equipment Relevant information (such as some bits carried in the control information, etc.), so that the first network node can accurately configure the control information, thereby avoiding the problem that the first network node erroneously controls the bearer.
  • the data transmission method described in this application is used when a bearer is established, or when a bearer is reconfigured.
  • the second network node before the first network device sends the control information used by the at least one bearer to the user equipment, the second network node first configures the user equipment, so that the user equipment clarifies the manner in which the MAC CE is interpreted.
  • the manner in which the second network node configures the user equipment is: the second network device notifies the user equipment of the at least one bearer by signaling, and the related situation of the at least one bearer includes, among the at least one bearer, which bearers are in the first network node.
  • the bearers on, and/or which bearers in at least one bearer are bearers on the second network node.
  • the second network node informs the user equipment bearer ID7, bearer ID8, bearer ID10 is the bearer of the first network device, and/or the second network device informs the user equipment bearer ID 0, bearer ID2, bearer ID3 is the second network device Hosted.
  • the at least one bearer related case includes bits of the at least one bearer in the control information.
  • the second network node informs the user equipment bearer ID7, bearer ID8, bearer ID10 the bits in the control information are: bearer ID7 in the fourth bit, bearer ID8 in the fifth bit, bearer ID10 in the sixth The bit, and/or the second network node informs the user equipment that bearer ID 0, bearer ID2, and bearer ID3 have bits in the control information: bearer ID0 in the first bit, bearer ID2 in the second bit, bearer ID3 is in the third bit.
  • the network node before sending the control information used by the at least one bearer to the user equipment, the network node first informs the user equipment about the at least one bearer, and further avoids the problem that the first network node incorrectly controls the bearer.
  • FIG. 4 is a network node 400, a network node 400, provided by an embodiment of the present application.
  • a first network node comprising: one or more processors, one or more memories, one or more transceivers, and one or more programs;
  • the one or more programs are stored in the memory and configured to be executed by the one or more processors;
  • the program includes instructions for performing the following steps:
  • control information used by the at least one bearer to the user equipment, where the control information used by the at least one bearer is determined based on the related information.
  • the signaling further includes first indication information, where the first indication information is used to indicate that the bearer in the at least one bearer is a bearer on the first network node or is in the The bearer on the second network node.
  • the signaling further includes second indication information, where the second indication information is used to indicate that the first network node stops or starts to use control information used to send the bearer.
  • the related information includes third indication information, where the third indication information is used to indicate a bit on the first network node that is carried in the control information used by the at least one bearer. .
  • the related information includes fourth indication information, where the fourth indication information is used to indicate a bit on the second network node that is carried in the control information used by the at least one bearer. .
  • the data transmission method is used when the bearer is established, or when the bearer is reconfigured.
  • FIG. 5 is a network node 500 according to an embodiment of the present application.
  • the network node 500 is the foregoing second network node, where the network node includes: one or more processors, one or more memories, one or Multiple transceivers, and one or more programs;
  • the one or more programs are stored in the memory and configured to be executed by the one or more processors;
  • the program includes instructions for performing the following steps:
  • the signaling further includes first indication information, where the first indication information is used to indicate that the bearer in the at least one bearer is a bearer on the first network node or is in the The bearer on the second network node.
  • the signaling further includes second indication information, where the second indication information is used to indicate that the first network node stops or starts to use control information used to send the bearer.
  • the related information includes third indication information, where the third indication information is used to indicate a bit on the first network node that is carried in the control information used by the at least one bearer. .
  • the related information includes fourth indication information, where the fourth indication information is used to indicate a bit on the second network node that is carried in the control information used by the at least one bearer. .
  • the data transmission method is used when the bearer is established, or when the bearer is reconfigured.
  • FIG. 6 is a user equipment 600 according to an embodiment of the present application, where the user equipment includes: one or more processors, one or more memories, one or more transceivers, and one or more program;
  • the one or more programs are stored in the memory and configured to be executed by the one or more processors;
  • the program includes instructions for performing the following steps:
  • the second network device sends the first network device by signaling.
  • FIG. 7 is a schematic structural diagram of a network node 700 according to this embodiment.
  • the network node 700 includes a processing unit 701, a communication unit 702, and a storage unit 703, where:
  • the processing unit 701 is configured to receive, by using the communication unit 702, signaling from a second network node, where the signaling includes at least one related information of the control information used by the bearer, and sends the information to the user equipment by using the communication unit.
  • the control information used by the at least one bearer, the control information used by the at least one bearer is determined based on the related information.
  • the signaling further includes first indication information, where the first indication information is used to indicate that the bearer in the at least one bearer is a bearer on the first network node or is in the The bearer on the second network node.
  • the signaling further includes second indication information, where the second indication information is used to indicate that the first network node stops or starts to use control information used to send the bearer.
  • the related information includes third indication information, where the third indication information is used to indicate a bit on the first network node that is carried in the control information used by the at least one bearer. .
  • the related information includes fourth indication information, where the fourth indication information is used to indicate a bit on the second network node that is carried in the control information used by the at least one bearer. .
  • the data transmission method is used when the bearer is established, or when the bearer is reconfigured.
  • the processing unit 701 may be a processor or a controller, and may be, for example, a central processing unit (CPU), a general-purpose processor, a digital signal processor (DSP), and an application specific integrated circuit (Application- Specific Integrated Circuit (ASIC), Field Programmable Gate Array (FPGA) or other programmable logic device, transistor logic device, hardware component, or any combination thereof, which may be implemented or executed in conjunction with the present disclosure.
  • CPU central processing unit
  • DSP digital signal processor
  • ASIC Application- Specific Integrated Circuit
  • FPGA Field Programmable Gate Array
  • the processor may also be a combination of computing functions, for example, including one or more microprocessor combinations, a combination of a DSP and a microprocessor, and the like.
  • the communication unit 702 can be a transceiver, a transceiver circuit, a radio frequency chip, and a communication
  • the storage unit 703, etc., may be a memory.
  • the network node involved in the embodiment of the present application may be the network node shown in FIG. 4.
  • FIG. 8 is a schematic structural diagram of a network node 800 according to this embodiment.
  • the network node 800 includes a processing unit 801, a communication unit 802, and a storage unit 803, where:
  • the processing unit 801 is configured to send, by using the communication unit 802, signaling to the first network node, where the signaling includes at least one related information of the control information used by the bearer, where the related information is used for the first
  • the network node determines control information used by the at least one bearer.
  • the signaling further includes first indication information, where the first indication information is used to indicate that the bearer in the at least one bearer is a bearer on the first network node or is in the The bearer on the second network node.
  • the signaling further includes second indication information, where the second indication information is used to indicate that the first network node stops or starts to use control information used to send the bearer.
  • the related information includes third indication information, where the third indication information is used to indicate a bit on the first network node that is carried in the control information used by the at least one bearer. .
  • the related information includes fourth indication information, where the fourth indication information is used to indicate a bit on the second network node that is carried in the control information used by the at least one bearer. .
  • the data transmission method is used when the bearer is established, or when the bearer is reconfigured.
  • the processing unit 801 can be a processor or a controller, and can be, for example, a central processing unit (CPU), a general-purpose processor, a digital signal processor (DSP), and an application specific integrated circuit (Application- Specific Integrated Circuit (ASIC), Field Programmable Gate Array (FPGA) or other programmable logic device, transistor logic device, hardware component, or any combination thereof, which may be implemented or executed in conjunction with the present disclosure.
  • CPU central processing unit
  • DSP digital signal processor
  • ASIC Application- Specific Integrated Circuit
  • FPGA Field Programmable Gate Array
  • the processor may also be a combination of computing functions, for example, including one or more microprocessor combinations, a combination of a DSP and a microprocessor, and the like.
  • the communication unit 802 can be a transceiver, a transceiver circuit, a radio frequency chip, and a communication
  • the storage unit 803 may be a memory.
  • the network node involved in the embodiment of the present application may be the network node shown in FIG. 5.
  • FIG. 9 is a schematic structural diagram of a user equipment 900 according to this embodiment.
  • the user equipment 900 includes a processing unit 901, a communication unit 902, and a storage unit 903, where:
  • the processing unit is configured to receive, by using the communication unit 902, control information used by at least one bearer of the first network node, where the control information used by the at least one bearer is based on a control used by the at least one bearer
  • the related information of the information is determined, and the related information is sent by the second network device to the first network device by using signaling.
  • the processing unit 901 may be a processor or a controller, and may be, for example, a central processing unit (CPU), a general-purpose processor, a digital signal processor (DSP), and an application specific integrated circuit (Application- Specific Integrated Circuit (ASIC), Field Programmable Gate Array (FPGA) or other programmable logic device, transistor logic device, hardware component, or any combination thereof, which may be implemented or executed in conjunction with the present disclosure.
  • CPU central processing unit
  • DSP digital signal processor
  • ASIC Application- Specific Integrated Circuit
  • FPGA Field Programmable Gate Array
  • the processor may also be a combination of computing functions, for example, including one or more microprocessor combinations, a combination of a DSP and a microprocessor, and the like.
  • the communication unit 902 can be a transceiver, a transceiver circuit, a radio frequency chip, a communication interface, etc.
  • the storage unit 903 can be a memory.
  • the processing unit 901 is a processor
  • the communication unit 902 is a communication interface
  • the storage unit 903 is a memory
  • the user equipment involved in the embodiment of the present application may be the user equipment shown in FIG. 6.
  • the embodiment of the present application further provides a user equipment, as shown in FIG. 10, for the convenience of description, only the parts related to the embodiment of the present application are shown, and the specific technical details are not disclosed.
  • the user equipment is a mobile phone as an example:
  • FIG. 10 is a block diagram showing a partial structure of a mobile phone related to a user equipment provided by an embodiment of the present application.
  • the mobile phone includes: a radio frequency (RF) circuit 10, a memory 20, an input unit 30, a display unit 40, a sensor 50, an audio circuit 60, a wireless fidelity (WiFi) module 70, and a processor 80. And power supply 90 and other components.
  • RF radio frequency
  • the handset structure illustrated in Figure 10 does not constitute a limitation to a handset, and may include more or fewer components than those illustrated, or some components may be combined, or different components may be arranged.
  • the RF circuit 10 can be used for receiving and transmitting information.
  • RF circuit 10 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a Low Noise Amplifier (LNA), a duplexer, and the like.
  • LNA Low Noise Amplifier
  • RF circuit 10 can also communicate with the network and other devices via wireless communication.
  • the above wireless communication may use any communication standard or protocol, including but not limited to Global System of Mobile communication (GSM), General Packet Radio Service (GPRS), Code Division Multiple Access (Code Division). Multiple Access (CDMA), Wideband Code Division Multiple Access (WCDMA), Long Term Evolution (LTE), E-mail, Short Messaging Service (SMS), and the like.
  • GSM Global System of Mobile communication
  • GPRS General Packet Radio Service
  • CDMA Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • LTE Long Term Evolution
  • E-mail Short Messaging Service
  • the memory 20 can be used to store software programs and modules, and the processor 80 executes various functional applications and data processing of the mobile phone by running software programs and modules stored in the memory 20.
  • the memory 20 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application required for at least one function, and the like; the storage data area may store data created according to usage of the mobile phone, and the like.
  • the memory 20 may include a high speed random access memory, and may also include a nonvolatile memory such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device.
  • the input unit 30 can be configured to receive input numeric or character information and to generate key signal inputs related to user settings and function controls of the handset.
  • the input unit 30 may include a fingerprint recognition module and other input devices.
  • the fingerprint identification module can collect fingerprint data of the user on it.
  • Other input devices may include, but are not limited to, one or more of a touch screen, a physical keyboard, function keys (such as volume control buttons, switch buttons, etc.), trackballs, mice, joysticks, and the like.
  • the display unit 40 can be used to display information input by the user or information provided to the user as well as various menus of the mobile phone.
  • the display unit 40 can include a display screen 41.
  • the display screen 41 can be configured in the form of a liquid crystal display (LCD), an organic light-emitting diode (OLED), or the like.
  • the handset may also include at least one sensor 50, such as a light sensor, motion sensor, and others sensor.
  • the light sensor may include an ambient light sensor and a proximity sensor, wherein the ambient light sensor may adjust the brightness of the display screen 41 according to the brightness of the ambient light, and the proximity sensor may turn off the display screen 41 and/or when the mobile phone moves to the ear. Or backlight.
  • the accelerometer sensor can detect the magnitude of acceleration in all directions (usually three axes). When it is stationary, it can detect the magnitude and direction of gravity.
  • the mobile phone can be used to identify the gesture of the mobile phone (such as horizontal and vertical screen switching, related Game, magnetometer attitude calibration), vibration recognition related functions (such as pedometer, tapping), etc.; as for the mobile phone can also be configured with gyroscopes, barometers, hygrometers, thermometers, infrared sensors and other sensors, no longer Narration.
  • the gesture of the mobile phone such as horizontal and vertical screen switching, related Game, magnetometer attitude calibration
  • vibration recognition related functions such as pedometer, tapping
  • the mobile phone can also be configured with gyroscopes, barometers, hygrometers, thermometers, infrared sensors and other sensors, no longer Narration.
  • the audio circuit 60, the speaker 61, and the microphone 62 provide an audio interface between the user and the handset.
  • the audio circuit 60 can transmit the converted electrical data of the received audio data to the speaker 61 for conversion to the sound signal by the speaker 61.
  • the microphone 62 converts the collected sound signal into an electrical signal by the audio circuit 60. After receiving, it is converted into audio data, processed by the audio data playback processor 80, sent to the other mobile phone via the RF circuit 10, or played to the memory 20 for further processing.
  • WiFi is a short-range wireless transmission technology.
  • the mobile phone can help users to send and receive emails, browse web pages and access streaming media through the WiFi module 70. It provides users with wireless broadband Internet access.
  • FIG. 10 shows the WiFi module 70, it can be understood that it does not belong to the essential configuration of the mobile phone, and can be omitted as needed within the scope of not changing the essence of the invention.
  • the processor 80 is the control center of the handset, which connects various portions of the entire handset using various interfaces and lines, by executing or executing software programs and/or modules stored in the memory 20, and invoking data stored in the memory 20, The phone's various functions and processing data, so that the overall monitoring of the phone.
  • the processor 80 may include one or more processing units; preferably, the processor 80 may integrate an application processor and a modem processor, where the application processor mainly processes an operating system, a user interface, an application, and the like.
  • the modem processor primarily handles wireless communications. It will be appreciated that the above described modem processor may also not be integrated into the processor 80.
  • the handset also includes a power source 90 (such as a battery) that supplies power to the various components.
  • a power source 90 such as a battery
  • the power source can be logically coupled to the processor 80 through a power management system to manage functions such as charging, discharging, and power management through the power management system.
  • the mobile phone may further include a camera, a Bluetooth module, and the like, and details are not described herein again.
  • the flow of the user equipment in each step method may be implemented based on the structure of the mobile phone.
  • each unit function can be implemented based on the structure of the mobile phone.
  • the embodiment of the present application further provides a computer readable storage medium, wherein the computer readable storage medium stores a computer program for electronic data exchange, wherein the computer program causes the computer to execute a user in the method embodiment as described above Some or all of the steps described by the device.
  • the embodiment of the present application further provides a computer readable storage medium, wherein the computer readable storage medium stores a computer program for electronic data exchange, wherein the computer program causes the computer to execute the method in the method embodiment as described above Some or all of the steps described by a network node.
  • the embodiment of the present application further provides a computer readable storage medium, wherein the computer readable storage medium stores a computer program for electronic data exchange, wherein the computer program causes the computer to execute the method in the method embodiment as described above Part or all of the steps described by the network node.
  • the embodiment of the present application further provides a computer program product, wherein the computer program product comprises a non-transitory computer readable storage medium storing a computer program, the computer program being operative to cause a computer to execute a user as in the above method Some or all of the steps described by the device.
  • the computer program product can be a software installation package.
  • the embodiment of the present application further provides a computer program product, wherein the computer program product comprises a non-transitory computer readable storage medium storing a computer program, the computer program being operative to cause a computer to perform the method embodiment as described above Some or all of the steps described in the first network node.
  • the computer program product can be a software installation package.
  • the embodiment of the present application further provides a computer program product, wherein the computer program product comprises a non-transitory computer readable storage medium storing a computer program, the computer program being operative to cause a computer to perform the method embodiment as described above Some or all of the steps described in the second network node.
  • the computer program product can be a software installation package.
  • the steps of the method or algorithm described in the embodiments of the present application may be implemented in a hardware manner, or may be implemented by a processor executing software instructions.
  • the software instructions may be composed of corresponding software modules, which may be stored in a random access memory (RAM), a flash memory, a read only memory (ROM), an erasable programmable read only memory ( Erasable Programmable ROM, EPROM), electrically erasable programmable read-only memory Electrically EPROM (EEPROM), registers, hard disk, removable hard disk, compact disk read only (CD-ROM) or any other form of storage medium known in the art.
  • An exemplary storage medium is coupled to the processor to enable the processor to read information from, and write information to, the storage medium.
  • the storage medium can also be an integral part of the processor.
  • the processor and the storage medium can be located in an ASIC.
  • the ASIC can be located in an access network device, a target network device, or a core network device.
  • the processor and the storage medium may also exist as discrete components in the access network device, the target network device, or the core network device.
  • the functions described in the embodiments of the present application may be implemented in whole or in part by software, hardware, firmware, or any combination thereof.
  • software it may be implemented in whole or in part in the form of a computer program product.
  • the computer program product includes one or more computer instructions.
  • the processes or functions described in accordance with embodiments of the present application are generated in whole or in part.
  • the computer can be a general purpose computer, a special purpose computer, a computer network, or other programmable device.
  • the computer instructions can be stored in a computer readable storage medium or transferred from one computer readable storage medium to another computer readable storage medium, for example, the computer instructions can be from a website site, computer, server or data center Transmission to another website site, computer, server, or data center by wire (eg, coaxial cable, fiber optic, Digital Subscriber Line (DSL)) or wireless (eg, infrared, wireless, microwave, etc.).
  • the computer readable storage medium can be any available media that can be accessed by a computer or a data storage device such as a server, data center, or the like that includes one or more available media.
  • the usable medium may be a magnetic medium (for example, a floppy disk, a hard disk, a magnetic tape), an optical medium (for example, a digital video disc (DVD)), or a semiconductor medium (for example, a solid state disk (SSD)). )Wait.
  • a magnetic medium for example, a floppy disk, a hard disk, a magnetic tape
  • an optical medium for example, a digital video disc (DVD)
  • DVD digital video disc
  • SSD solid state disk

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Abstract

本申请实施例提供了一种数据传输方法及相关产品，方法包括：第一网络节点接收来自第二网络节点的信令，所述信令包括至少一个承载所使用的控制信息的相关信息；所述第一网络节点向用户设备发送所述至少一个承载所使用的控制信息，所述至少一个承载所使用的控制信息是基于所述相关信息确定的。采用本申请实施例可以避免网络节点错误控制承载的问题。

Description

数据传输方法及相关设备 技术领域
本申请涉及通信技术领域，具体涉及一种数据传输方法及相关设备。
背景技术
双连接(Dual connectivity，DC)下，复制数据传输方式采用的是分叉承载(split bearer)的协议架构，对于上下行来说，分组数据汇聚协议(Packet Data Convergence Protocol，PDCP)层位于某一个小区(Cell Group，CG)，如主小区(Master Cell Group，MCG)或者辅小区(Secondary Cell Group，SCG)，该CG即为锚点小区(anchor CG)。发送端设备的PDCP层将PDCP协议数据单元(Protocol Data Unit，PDU)复制为相同的两份，比如一个是PDCP PDU，一个是Duplicated PDCP PDU，两个PDCP PDU经过不同CG的无线链路层控制协议(Radio Link Control，RLC)层和媒体访问控制(Media Access control，MAC)层，在经过空口到达接收端设备相应的MAC层和RLC层，最后再汇聚到PDCP层。在PDCP层监测到两个PDCP PDU为相同的PDU的情况下，此时PDCP层丢弃其中一个PDU，将另外一个PDU递交到高层。
发明内容
本申请实施例提供了一种数据传输方法及相关设备，可避免网络节点错误控制承载的问题。
第一方面，本申请实施例提供一种数据传输方法，包括：
第一网络节点接收来自第二网络节点的信令，所述信令包括至少一个承载所使用的控制信息的相关信息；
所述第一网络节点向用户设备发送所述至少一个承载所使用的控制信息，所述至少一个承载所使用的控制信息是基于所述相关信息确定的。
第二方面，本申请实施例提供一种数据传输方法，包括：
第二网络节点向第一网络节点发送信令，所述信令包括至少一个承载所使用的控制信息的相关信息，所述相关信息用于所述第一网络节点确定所述至少 一个承载所使用的控制信息。
第三方面，本申请实施例提供一种数据传输方法，包括：
用户设备接收来自第一网络节点的至少一个承载所使用的控制信息，所述至少一个承载所使用的控制信息是基于所述至少一个承载所使用的控制信息的相关信息确定的，所述相关信息是所述第二网络设备通过信令给所述第一网络设备发送的。
第四方面，本申请实施例提供一种网络节点，应用于包括第一网络节点、第二网络节点和用户设备的通信系统中，所述网络节点为所述第一网络节点，所述第一网络节点包括处理单元和通信单元，其中：
所述处理单元，用于通过所述通信单元接收来自第二网络节点的信令，所述信令包括至少一个承载所使用的控制信息的相关信息；通过所述通信单元向用户设备发送所述至少一个承载所使用的控制信息，所述至少一个承载所使用的控制信息是基于所述相关信息确定的。
第五方面，本申请实施例提供一种网络节点，应用于包括第一网络节点、第二网络节点和用户设备的通信系统中，所述网络节点为所述第二网络节点，所述第二网络节点包括处理单元和通信单元，其中：
所述处理单元，用于通过所述通信单元向第一网络节点发送信令，所述信令包括至少一个承载所使用的控制信息的相关信息，所述相关信息用于所述第一网络节点确定所述至少一个承载所使用的控制信息。
第六方面，本申请实施例提供一种用户设备，包括处理单元和通信单元，其中：
所述处理单元，用于通过所述通信单元接收来自第一网络节点的至少一个承载所使用的控制信息，所述至少一个承载所使用的控制信息是基于所述至少一个承载所使用的控制信息的相关信息确定的，所述相关信息是所述第二网络设备通过信令给所述第一网络设备发送的。
第七方面，本申请实施例提供一种网络节点，包括一个或多个处理器、一个或多个存储器、一个或多个收发器，以及一个或多个程序，所述一个或多个程序被存储在所述存储器中，并且被配置由所述一个或多个处理器执行，所述程序包括用于执行如第一方面所述的方法中的步骤的指令。
第八方面，本申请实施例提供一种网络节点，包括一个或多个处理器、一个或多个存储器、一个或多个收发器，以及一个或多个程序，所述一个或多个程序被存储在所述存储器中，并且被配置由所述一个或多个处理器执行，所述程序包括用于执行如第二方面所述的方法中的步骤的指令。
第九方面，本申请实施例提供一种用户设备，包括一个或多个处理器、一个或多个存储器、一个或多个收发器，以及一个或多个程序，所述一个或多个程序被存储在所述存储器中，并且被配置由所述一个或多个处理器执行，所述程序包括用于执行如第三方面所述的方法中的步骤的指令。
第十方面，本申请实施例提供一种计算机可读存储介质，其存储用于电子数据交换的计算机程序，其中，所述计算机程序使得计算机执行如第一方面所述的方法。
第十一方面，本申请实施例提供一种计算机可读存储介质，其存储用于电子数据交换的计算机程序，其中，所述计算机程序使得计算机执行如第二方面所述的方法。
第十二方面，本申请实施例提供一种计算机可读存储介质，其存储用于电子数据交换的计算机程序，其中，所述计算机程序使得计算机执行如第三方面所述的方法。
第十三方面，本申请实施例提供一种计算机程序产品，所述计算机程序产品包括存储了计算机程序的非瞬时性计算机可读存储介质，所述计算机程序可操作来使计算机执行如第一方面所述的方法。
第十四方面，本申请实施例提供一种计算机程序产品，所述计算机程序产品包括存储了计算机程序的非瞬时性计算机可读存储介质，所述计算机程序可操作来使计算机执行如第二方面所述的方法。
第十五方面，本申请实施例提供一种计算机程序产品，所述计算机程序产品包括存储了计算机程序的非瞬时性计算机可读存储介质，所述计算机程序可操作来使计算机执行如第三方面所述的方法。
本申请的这些方面或其他方面在以下实施例的描述中会更加简明易懂。
附图说明
为了更清楚地说明本申请实施例中的技术方案，下面将对实施例描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图是本申请的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1是本申请实施例提供的一种网络构架示意图；
图2是本申请实施例提供的一种数据传输方法；
图3是本申请实施例提供的一种MAC PDU的总体结构示意图；
图4是本申请实施例提供的一种网络节点的结构示意图；
图5是本申请实施例提供的另一种网络节点的结构示意图；
图6是本申请实施例提供的一种用户设备的结构示意图；
图7是本申请实施例提供的另一种网络节点的结构示意图；
图8是本申请实施例提供的另一种网络节点的结构示意图；
图9是本申请实施例提供的另一种用户设备的结构示意图；
图10是本申请实施例提供的另一种用户设备的结构示意图。
具体实施方式
为了使本技术领域的人员更好地理解本申请方案，下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本申请一部分的实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都应当属于本申请保护的范围。
以下分别进行详细说明。
本申请的说明书和权利要求书及所述附图中的术语“第一”、“第二”、“第三”和“第四”等是用于区别不同对象，而不是用于描述特定顺序。此外，术语“包括”和“具有”以及它们任何变形，意图在于覆盖不排他的包含。例如包含了一系列步骤或单元的过程、方法、系统、产品或设备没有限定于已列出的步骤或单元，而是可选地还包括没有列出的步骤或单元，或可选地还包括对于这些过程、方法、产品或设备固有的其它步骤或单元。
在本文中提及“实施例”意味着，结合实施例描述的特定特征、结构或特性可以包含在本申请的至少一个实施例中。在说明书中的各个位置出现该短语并不一定均是指相同的实施例，也不是与其它实施例互斥的独立的或备选的实施例。本领域技术人员显式地和隐式地理解的是，本文所描述的实施例可以与其它实施例相结合。
下面结合附图对本申请的实施例进行描述。
请参阅图1，图1是本申请实施例公开的一种网络构架的示意图。如图1所示，该网络构架包括主网络节点(master node，MN)110和至少一个辅网络节点120(slave node，SN)。其中，主网络节点110提供基本的网络覆盖130。至少一个辅网络节点120提供相对较小的网络覆盖140。处于主网络节点110和辅网络节点120的共同覆盖范围内的用户设备150(User Equipment，UE)将能够同时与主网络节点110和辅网络节点120建立通信连接。此处，将一个用户设备150与一个主网络节点110和至少一个辅网络节点120之间同时具有相连的情况称之为双连接。在以下描述中，以一个用户设备150与一个主网络节点110和一个辅网络节点120之间具有双连接的情况为例对本申请的各个实例方式进行描述。然而，本领域技术人员可以理解，以下描述的方案也完全适用于一个用户设备与一个主网络节点和多个辅网络节点之间具有双连接的情况。
其中，用户设备是一种向用户提供语音和/或数据连通性的设备，例如，具有无线连接功能的手持式设备、车载设备等。常见的用户设备例如包括：手机、平板电脑、笔记本电脑、掌上电脑、移动互联网设备(mobile internet device，MID)、可穿戴设备，例如智能手表、智能手环、计步器等。
其中，网络节点是指一台电脑或其他设备与一个有独立地址和具有传送或接收数据功能的网络相连。网络节点可以是工作站、客户、网络用户或个人计算机，还可以是服务器、打印机和其他网络连接的设备。每一个工作站﹑服务器、用户设备、网络设备(指网络侧的节点设备，包括但不限于：演进型节点B(evolved Node B，eNB)、无线网络控制器(radio network controller，RNC)、节点B(Node B，NB)、基站控制器(Base Station Controller，BSC)、基站收发台(Base Transceiver Station,BTS)、家庭基站(例如，Home evolved NodeB， 或Home Node B，HNB)、基带单元(BaseBand Unit，BBU)、管理实体(Mobility Management Entity，MME)等等)，即拥有自己唯一网络地址的设备都是网络节点。
下面结合图1所示的网络构架对本申请实施例提供的数据传输方法进行详细说明。
在新空口(New radio，NR)现有的讨论中，对于配置了复制数据传输功能的无线承载，可以通过MAC控制元素(control element，CE)动态的激活(activate)或者去激活(de-activate)某一个无线承载的数据复制传输功能。
对于双连接的情况，主网络节点和辅网络节点可以分别发送MAC CE来激活或者去激活用户设备的某一个split bearer的数据复制传输功能。现在的NR讨论已经同意MAC CE包含一个bitmap，且该bitmap为1byte。bitmap中的不同位置分别对应用户设备不同bearer ID，这些bearer ID标示的bearer是配置了数据复制传输功能的bearer。比如用户设备的bearer ID为0，2，3，7，8，10，MAC CE包含的bitmap与bearer ID的对应关系有：bitmap中的第一位对应bearer ID 0，第二位对应bearer ID 2，第三位对应bearer ID 3，第四位对应bearer ID 7，第五位对应bearer ID 8，第六位对应bearer ID 10，第7位和第8为无效位，这种MAC CE包含的bitmap与bearer ID的对应关系为升序对应关系。当然MAC CE包含的bitmap与bearer ID的对应关系也可以为降序对应关系。
由于网络在分配bearer ID时并不是按照顺序分配的，如上述上例子所示，bearer ID为0，2，3，7，8，10的承载被配置了数据复制传输功能，而bearer ID为1，4，5，6，9的承载并未被配置数据复制传输功能并未使用。假如有些被配置了duplication的承载是non-split bearer，例如，对于MCG bearer，如果用了载波聚合(CA)duplication，该承载是应该出现在MAC CE中的，例如上述上例子，bearer ID 3，占用MAC CE包含的bitmap的第三位，但是由于MCG bearer是由主网络节点(master node，MN)进行管理的，辅网络节点(slave node，SN)并不知道在主网络节点上的承载情况，因此辅网络节点也不知道MAC CE的第三位会被bearer ID 3占用，该种情况下，如果辅网络节点给用户设备发送的MAC CE包含的bitmap的第三位是用来控制bearer ID为 7的承载，这样可能会导致辅网络节点错误控制承载的问题。
针对上述问题，请参见图2，图2为本申请实施例提供的一种数据传输的流程示意图，在本申请中，第一网络节点可以是主网络节点，也可以是辅网络节点。第二网络节点可以是主网络节点，也可以是辅网络节点，以下第一网络节点以辅网络节点、第二网络节点以主网络节点进行详细说明，该方法包括以下步骤：
步骤S201：第二网络节点向第一网络节点发送信令，所述信令包括至少一个承载所使用的控制信息的相关信息；第一网络节点接收来自第二网络节点的信令。
其中，第二网络节点给第一网络节点发送的信令例如可以是X2或Xn接口信令。
其中，至少一个承载指的是所述用户设备的被配置了数据复制传输功能的承载。
其中，至少一个承载所使用的控制信息指的是激活或去激活某些承载的数据复制传输功能所使用的MAC CE中包含的信息，即至少一个承载所使用的控制信息为MAC CE中包含的1byte信息。
其中，MAC PDU的总体结构如图3所示，一个MAC PDU由MAC头(MAC header)和MAC负荷(MAC payload)组成。MAC负荷由MAC子业务数据单元(MAC sub-PDU)、MAC CE和可选的填充位(padding)组成。当MAC头、MAC sub-PDU和MAC CE不能填满整个MAC PDU时，MAC PDU中的剩余比特需要有填充比特(padding bit)来进行填充。MAC CE有多种类型，用于功率空间报告(Power Headroom Report)的MAC CE，用于缓存空间报告(Buffer Status Report)的MAC CE，用于发送定时提前命令(Timing Advance Command)的MAC CE。本申请中的MAC CE用于传输控制用户设备的数据复制传输功能。
在一实施例中，所述信令还包括第一指示信息，所述第一指示信息用于指示所述至少一个承载中的至少一个承载是在所述第一网络节点上的承载或是在所述第二网络节点上的承载。
具体地，假设至少一个承载为bearer ID 0，bearer ID2，bearer ID3，bearer  ID7，bearer ID8，bearer ID10。又假设bearer ID 0，bearer ID2，bearer ID3是在第二网络节点上的承载，bearer ID7，bearer ID8，bearer ID10是在第一网络节点上的承载。由于第一网络节点是双连接的辅网络节点，第一网络节点不知道第二网络节点的情况，进而不知道bearer ID 0，bearer ID2，bearer ID3在第二网络节点上的承载。对于该情况，在本申请中，第二网络节点通过信令告知第一网络节点bearer ID 0，bearer ID2，bearer ID3中的至少一个承载是在第二网络节点上的承载；或者，第二网络节点可通过信令告知第一网络节点bearer ID7，bearer ID8，bearer ID10中的至少一个承载是在第一网络节点上的承载；或者，第二网络节点可通过信令告知第一网络节点bearer ID 0，bearer ID2，bearer ID3，bearer ID7，bearer ID8，bearer ID10中的至少一个承载是在第二网络节点上的承载还是在第一网络节点上的承载。
在一实施例中，所述信令还包括第二指示信息，所述第二指示信息用于指示所述第一网络节点停止或启动发送承载所使用的控制信息。
具体地，为了避免第一网络节点在第二网络节点配置用户设备的过程中发送了MAC CE，这样可能会导致用户设备错误解读MAC CE上的bit，因此，在第二网络节点配置好用户设备之后，用户这边明确了MAC CE的解读方式，第二网络设备才通过信令指示第一网络设备MAC CE可发送。
在一实施例中，所述相关信息包括第三指示信息，所述第三指示信息用于指示在所述第一网络节点上的承载在所述至少一个承载所使用的控制信息中的比特位。
具体地，假设至少一个承载为bearer ID 0，bearer ID2，bearer ID3，bearer ID7，bearer ID8，bearer ID10。又假设bearer ID 0，bearer ID2，bearer ID3是在第二网络节点上的承载，bearer ID7，bearer ID8，bearer ID10是在第一网络节点上的承载。又假设至少一个承载所使用的控制信息为MAC CE中包含的1byte信息。由于第一网络节点是双连接的辅网络节点，第一网络节点不知道第二网络节点的情况，进而不知道bearer ID 0，bearer ID2，bearer ID3在第二网络节点上的承载。对于该情况，在本申请中，第二网络设备通过信令告知第一网络节点bearer ID7，bearer ID8，bearer ID10在MAC CE中包含的1byte信息中的比特位，比如bearer ID7在第四个比特位、bearer ID8在第五个比特位、 bearer ID10在第六个比特位。这样既可避免第一网络节点错误控制承载的问题。
在一实施例中，所述相关信息包括第四指示信息，所述第四指示信息用于指示在所述第二网络节点上的承载在所述至少一个承载所使用的控制信息中的比特位。
具体地，假设至少一个承载为bearer ID 0，bearer ID2，bearer ID3，bearer ID7，bearer ID8，bearer ID10。又假设bearer ID 0，bearer ID2，bearer ID3是在第二网络节点上的承载，bearer ID7，bearer ID8，bearer ID10是在第一网络节点上的承载。又假设至少一个承载所使用的控制信息为MAC CE中包含的1byte信息。由于第一网络节点是双连接的辅网络节点，第一网络节点不知道第二网络节点的情况，进而不知道bearer ID 0，bearer ID2，bearer ID3在第二网络节点上的承载。对于该情况，在本申请中，第二网络设备通过信令告知第一网络节点bearer ID 0，bearer ID2，bearer ID3在MAC CE中包含的1byte信息中的比特位，比如bearer ID0在第一个比特位、bearer ID2在第二个比特位、bearer ID3在第三个比特位，这样第一网络节点既可知道bearer ID7在第四个比特位、bearer ID8在第五个比特位、bearer ID10在第六个比特位。这样既可避免第一网络节点错误控制承载的问题。
步骤S202：第一网络节点向用户设备发送所述至少一个承载所使用的控制信息，所述至少一个承载所使用的控制信息是基于所述相关信息确定的；用户设备接收来自第一网络节点的至少一个承载所使用的控制信息。
具体地，第一网络节点向用户设备发送所述至少一个承载所使用的控制信息的具体实施方式有：在第一网络节点有向用户设备下发的数据时，第一网络节点的PDCP层将需要发送的数据封装成PDCP PDU，然后将封装好的PDCP PDU发送给RLC层，然后RLC层将RLC PDU发送给MAC层，MAC层将要发送的控制信息放在MAC CE中与RLC层发送的数据封装成MAC PDU，然后第一网络节点的MAC层将封装好的MAC PDU通过接口下发给用户设备。
用户设备接收来自第一网络节点的至少一个承载所使用的控制信息的具体实施方式有：用户设备的MAC层接收到来自第一网络节点的MAC层下发 的MAC PDU，用户设备的MAC层将接收到的MAC PDU进行解复用可得到MAC PDU包括的MAC CE，即可得到MAC CE中包括的控制信息。
可见，在本申请中，在双连接，第一网络节点不知道第二网络节点的情况下，第二网络节点通过信令告知第一网络节点，用户设备的至少一个承载所使用的控制信息的相关信息(比如某些承载在控制信息中的比特位等)，以使得第一网络节点可准确的配置控制信息，进而避免了第一网络节点错误控制承载的问题。
在一实施例中，本申请所述的数据传输方法用于在承载建立时，或在承载重配置时。
在一实施例中，在第一网络设备向用户设备发送所述至少一个承载所使用的控制信息之前，第二网络节点先配置用户设备，以使得用户设备明确MAC CE的解读方式。
其中，第二网络节点配置用户设备的方式有：第二网络设备通过信令告知用户设备至少一个承载的相关情况，至少一个承载的相关情况包括至少一个承载中有哪些承载是在第一网络节点上的承载，和/或至少一个承载中有哪些承载是在第二网络节点上的承载。比如，第二网络节点告知用户设备bearer ID7，bearer ID8，bearer ID10是第一网络设备的承载，和/或第二网络设备告知用户设备bearer ID 0，bearer ID2，bearer ID3是第二网络设备的承载。
和/或，至少一个承载的相关情况包括至少一个承载中某些承载的在控制信息中的比特位。比如，第二网络节点告知用户设备bearer ID7，bearer ID8，bearer ID10在控制信息中的比特位有：bearer ID7在第四个比特位、bearer ID8在第五个比特位、bearer ID10在第六个比特位，和/或第二网络节点告知用户设备bearer ID 0，bearer ID2，bearer ID3在控制信息中的比特位有：bearer ID0在第一个比特位、bearer ID2在第二个比特位、bearer ID3在第三个比特位。
可见，网络节点在向用户设备发送所述至少一个承载所使用的控制信息之前，先告知用户设备至少一个承载的相关情况，可进一步地避免第一网络节点错误控制承载的问题。
请参见图4，图4是本申请实施例提供的一种网络节点400，网络节点400 为上述第一网络节点，该网络节点包括：一个或多个处理器、一个或多个存储器、一个或多个收发器，以及一个或多个程序；
所述一个或多个程序被存储在所述存储器中，并且被配置由所述一个或多个处理器执行；
所述程序包括用于执行以下步骤的指令：
接收来自第二网络节点的信令，所述信令包括至少一个承载所使用的控制信息的相关信息；
向用户设备发送所述至少一个承载所使用的控制信息，所述至少一个承载所使用的控制信息是基于所述相关信息确定的。
在一实施例中，所述信令还包括第一指示信息，所述第一指示信息用于指示所述至少一个承载中的承载是在所述第一网络节点上的承载或是在所述第二网络节点上的承载。
在一实施例中，所述信令还包括第二指示信息，所述第二指示信息用于指示所述第一网络节点停止或启动发送承载所使用的控制信息。
在一实施例中，所述相关信息包括第三指示信息，所述第三指示信息用于指示在所述第一网络节点上的承载在所述至少一个承载所使用的控制信息中的比特位。
在一实施例中，所述相关信息包括第四指示信息，所述第四指示信息用于指示在所述第二网络节点上的承载在所述至少一个承载所使用的控制信息中的比特位。
在一实施例中，所述数据传输方法用于在承载建立时，或在承载重配置时。
需要说明的是，本实施例所述的内容的具体实现方式可参见上述方法，在此不再叙述。
请参见图5，图5是本申请实施例提供的一种网络节点500，网络节点500为上述第二网络节点，该网络节点包括：一个或多个处理器、一个或多个存储器、一个或多个收发器，以及一个或多个程序；
所述一个或多个程序被存储在所述存储器中，并且被配置由所述一个或多个处理器执行；
所述程序包括用于执行以下步骤的指令：
向第一网络节点发送信令，所述信令包括至少一个承载所使用的控制信息的相关信息，所述相关信息用于所述第一网络节点确定所述至少一个承载所使用的控制信息。
在一实施例中，所述信令还包括第一指示信息，所述第一指示信息用于指示所述至少一个承载中的承载是在所述第一网络节点上的承载或是在所述第二网络节点上的承载。
在一实施例中，所述信令还包括第二指示信息，所述第二指示信息用于指示所述第一网络节点停止或启动发送承载所使用的控制信息。
在一实施例中，所述相关信息包括第三指示信息，所述第三指示信息用于指示在所述第一网络节点上的承载在所述至少一个承载所使用的控制信息中的比特位。
在一实施例中，所述相关信息包括第四指示信息，所述第四指示信息用于指示在所述第二网络节点上的承载在所述至少一个承载所使用的控制信息中的比特位。
在一实施例中，所述数据传输方法用于在承载建立时，或在承载重配置时。
需要说明的是，本实施例所述的内容的具体实现方式可参见上述方法，在此不再叙述。
请参见图6，图6是本申请实施例提供的一种用户设备600，该用户设备包括：一个或多个处理器、一个或多个存储器、一个或多个收发器，以及一个或多个程序；
所述一个或多个程序被存储在所述存储器中，并且被配置由所述一个或多个处理器执行；
所述程序包括用于执行以下步骤的指令：
接收来自第一网络节点的至少一个承载所使用的控制信息，所述至少一个承载所使用的控制信息是基于所述至少一个承载所使用的控制信息的相关信息确定的，所述相关信息是所述第二网络设备通过信令给所述第一网络设备发送的。
需要说明的是，本实施例所述的内容的具体实现方式可参见上述方法，在此不再叙述。
请参阅图7，图7是本实施例提供的一种网络节点700的结构示意图。该网络节点700包括处理单元701、通信单元702和存储单元703，其中：
所述处理单元701，用于通过所述通信单元702接收来自第二网络节点的信令，所述信令包括至少一个承载所使用的控制信息的相关信息；通过所述通信单元向用户设备发送所述至少一个承载所使用的控制信息，所述至少一个承载所使用的控制信息是基于所述相关信息确定的。
在一实施例中，所述信令还包括第一指示信息，所述第一指示信息用于指示所述至少一个承载中的承载是在所述第一网络节点上的承载或是在所述第二网络节点上的承载。
在一实施例中，所述信令还包括第二指示信息，所述第二指示信息用于指示所述第一网络节点停止或启动发送承载所使用的控制信息。
在一实施例中，所述相关信息包括第三指示信息，所述第三指示信息用于指示在所述第一网络节点上的承载在所述至少一个承载所使用的控制信息中的比特位。
在一实施例中，所述相关信息包括第四指示信息，所述第四指示信息用于指示在所述第二网络节点上的承载在所述至少一个承载所使用的控制信息中的比特位。
在一实施例中，所述数据传输方法用于在承载建立时，或在承载重配置时。
其中，处理单元701可以是处理器或控制器，(例如可以是中央处理器(Central Processing Unit，CPU)，通用处理器，数字信号处理器(Digital Signal Processor，DSP)，专用集成电路(Application-Specific Integrated Circuit，ASIC)，现场可编程门阵列(Field Programmable Gate Array，FPGA)或者其他可编程逻辑器件、晶体管逻辑器件、硬件部件或者其任意组合。其可以实现或执行结合本申请公开内容所描述的各种示例性的逻辑方框，模块和电路。所述处理器也可以是实现计算功能的组合，例如包含一个或多个微处理器组合，DSP和微处理器的组合等等)。通信单元702可以是收发器、收发电路、射频芯片、通 信接口等，存储单元703可以是存储器。
当处理单元701为处理器，通信单元702为通信接口，存储单元703为存储器时，本申请实施例所涉及的网络节点可以为图4所示的网络节点。
请参阅图8，图8是本实施例提供的一种网络节点800的结构示意图。该网络节点800包括处理单元801、通信单元802和存储单元803，其中：
所述处理单元801，用于通过所述通信单元802向第一网络节点发送信令，所述信令包括至少一个承载所使用的控制信息的相关信息，所述相关信息用于所述第一网络节点确定所述至少一个承载所使用的控制信息。
在一实施例中，所述信令还包括第一指示信息，所述第一指示信息用于指示所述至少一个承载中的承载是在所述第一网络节点上的承载或是在所述第二网络节点上的承载。
在一实施例中，所述信令还包括第二指示信息，所述第二指示信息用于指示所述第一网络节点停止或启动发送承载所使用的控制信息。
在一实施例中，所述相关信息包括第三指示信息，所述第三指示信息用于指示在所述第一网络节点上的承载在所述至少一个承载所使用的控制信息中的比特位。
在一实施例中，所述相关信息包括第四指示信息，所述第四指示信息用于指示在所述第二网络节点上的承载在所述至少一个承载所使用的控制信息中的比特位。
在一实施例中，所述数据传输方法用于在承载建立时，或在承载重配置时。
其中，处理单元801可以是处理器或控制器，(例如可以是中央处理器(Central Processing Unit，CPU)，通用处理器，数字信号处理器(Digital Signal Processor，DSP)，专用集成电路(Application-Specific Integrated Circuit，ASIC)，现场可编程门阵列(Field Programmable Gate Array，FPGA)或者其他可编程逻辑器件、晶体管逻辑器件、硬件部件或者其任意组合。其可以实现或执行结合本申请公开内容所描述的各种示例性的逻辑方框，模块和电路。所述处理器也可以是实现计算功能的组合，例如包含一个或多个微处理器组合，DSP和微处理器的组合等等)。通信单元802可以是收发器、收发电路、射频芯片、通 信接口等，存储单元803可以是存储器。
当处理单元801为处理器，通信单元802为通信接口，存储单元803为存储器时，本申请实施例所涉及的网络节点可以为图5所示的网络节点。
请参阅图9，图9是本实施例提供的一种用户设备900的结构示意图。该用户设备900包括处理单元901、通信单元902和存储单元903，其中：
所述处理单元，用于通过所述通信单元902接收来自第一网络节点的至少一个承载所使用的控制信息，所述至少一个承载所使用的控制信息是基于所述至少一个承载所使用的控制信息的相关信息确定的，所述相关信息是所述第二网络设备通过信令给所述第一网络设备发送的。
其中，处理单元901可以是处理器或控制器，(例如可以是中央处理器(Central Processing Unit，CPU)，通用处理器，数字信号处理器(Digital Signal Processor，DSP)，专用集成电路(Application-Specific Integrated Circuit，ASIC)，现场可编程门阵列(Field Programmable Gate Array，FPGA)或者其他可编程逻辑器件、晶体管逻辑器件、硬件部件或者其任意组合。其可以实现或执行结合本申请公开内容所描述的各种示例性的逻辑方框，模块和电路。所述处理器也可以是实现计算功能的组合，例如包含一个或多个微处理器组合，DSP和微处理器的组合等等)。通信单元902可以是收发器、收发电路、射频芯片、通信接口等，存储单元903可以是存储器。
当处理单元901为处理器，通信单元902为通信接口，存储单元903为存储器时，本申请实施例所涉及的用户设备可以为图6所示的用户设备。
本申请实施例还提供了一种用户设备，如图10所示，为了便于说明，仅示出了与本申请实施例相关的部分，具体技术细节未揭示的，请参照本申请实施例方法部分。该用户设备为手机为例：
图10示出的是与本申请实施例提供的用户设备相关的手机的部分结构的框图。参考图10，手机包括：射频(Radio Frequency，RF)电路10、存储器20、输入单元30、显示单元40、传感器50、音频电路60、无线保真(Wireless Fidelity，WiFi)模块70、处理器80、以及电源90等部件。本领域技术人员 可以理解，图10中示出的手机结构并不构成对手机的限定，可以包括比图示更多或更少的部件，或者组合某些部件，或者不同的部件布置。
下面结合图10对手机的各个构成部件进行具体的介绍：
RF电路10可用于信息的接收和发送。通常，RF电路10包括但不限于天线、至少一个放大器、收发信机、耦合器、低噪声放大器(Low Noise Amplifier，LNA)、双工器等。此外，RF电路10还可以通过无线通信与网络和其他设备通信。上述无线通信可以使用任一通信标准或协议，包括但不限于全球移动通讯系统(Global System of Mobile communication，GSM)、通用分组无线服务(General Packet Radio Service，GPRS)、码分多址(Code Division Multiple Access，CDMA)、宽带码分多址(Wideband Code Division Multiple Access,WCDMA)、长期演进(Long Term Evolution，LTE)、电子邮件、短消息服务(Short Messaging Service，SMS)等。
存储器20可用于存储软件程序以及模块，处理器80通过运行存储在存储器20的软件程序以及模块，从而执行手机的各种功能应用以及数据处理。存储器20可主要包括存储程序区和存储数据区，其中，存储程序区可存储操作系统、至少一个功能所需的应用程序等；存储数据区可存储根据手机的使用所创建的数据等。此外，存储器20可以包括高速随机存取存储器，还可以包括非易失性存储器，例如至少一个磁盘存储器件、闪存器件、或其他易失性固态存储器件。
输入单元30可用于接收输入的数字或字符信息，以及产生与手机的用户设置以及功能控制有关的键信号输入。具体地，输入单元30可包括指纹识别模组以及其他输入设备。指纹识别模组可采集用户在其上的指纹数据。其他输入设备可以包括但不限于触控屏、物理键盘、功能键(比如音量控制按键、开关按键等)、轨迹球、鼠标、操作杆等中的一种或多种。
显示单元40可用于显示由用户输入的信息或提供给用户的信息以及手机的各种菜单。显示单元40可包括显示屏41，可选的，可以采用液晶显示器(Liquid Crystal Display，LCD)、有机发光二极管(Organic Light-Emitting Diode,OLED)等形式来配置显示屏41。
手机还可包括至少一种传感器50，比如光传感器、运动传感器以及其他 传感器。具体地，光传感器可包括环境光传感器及接近传感器，其中，环境光传感器可根据环境光线的明暗来调节显示屏41的亮度，接近传感器可在手机移动到耳边时，关闭显示屏41和/或背光。作为运动传感器的一种，加速计传感器可检测各个方向上(一般为三轴)加速度的大小，静止时可检测出重力的大小及方向，可用于识别手机姿态的应用(比如横竖屏切换、相关游戏、磁力计姿态校准)、振动识别相关功能(比如计步器、敲击)等；至于手机还可配置的陀螺仪、气压计、湿度计、温度计、红外线传感器等其他传感器，在此不再赘述。
音频电路60、扬声器61，传声器62可提供用户与手机之间的音频接口。音频电路60可将接收到的音频数据转换后的电信号，传输到扬声器61，由扬声器61转换为声音信号播放；另一方面，传声器62将收集的声音信号转换为电信号，由音频电路60接收后转换为音频数据，再将音频数据播放处理器80处理后，经RF电路10以发送给比如另一手机，或者将音频数据播放至存储器20以便进一步处理。
WiFi属于短距离无线传输技术，手机通过WiFi模块70可以帮助用户收发电子邮件、浏览网页和访问流式媒体等，它为用户提供了无线的宽带互联网访问。虽然图10示出了WiFi模块70，但是可以理解的是，其并不属于手机的必须构成，完全可以根据需要在不改变发明的本质的范围内而省略。
处理器80是手机的控制中心，利用各种接口和线路连接整个手机的各个部分，通过运行或执行存储在存储器20内的软件程序和/或模块，以及调用存储在存储器20内的数据，执行手机的各种功能和处理数据，从而对手机进行整体监控。可选的，处理器80可包括一个或多个处理单元；优选的，处理器80可集成应用处理器和调制解调处理器，其中，应用处理器主要处理操作系统、用户界面和应用程序等，调制解调处理器主要处理无线通信。可以理解的是，上述调制解调处理器也可以不集成到处理器80中。
手机还包括给各个部件供电的电源90(比如电池)，优选的，电源可以通过电源管理系统与处理器80逻辑相连，从而通过电源管理系统实现管理充电、放电、以及功耗管理等功能。
尽管未示出，手机还可以包括摄像头、蓝牙模块等，在此不再赘述。
前述图2所示的实施例中，各步骤方法中用户设备的流程可以基于该手机的结构实现。
前述图9所示的实施例中，各单元功能可以基于该手机的结构实现。
本申请实施例还提供了一种计算机可读存储介质，其中，所述计算机可读存储介质存储用于电子数据交换的计算机程序，其中，所述计算机程序使得计算机执行如上述方法实施例中用户设备所描述的部分或全部步骤。
本申请实施例还提供了一种计算机可读存储介质，其中，所述计算机可读存储介质存储用于电子数据交换的计算机程序，其中，所述计算机程序使得计算机执行如上述方法实施例中第一网络节点所描述的部分或全部步骤。
本申请实施例还提供了一种计算机可读存储介质，其中，所述计算机可读存储介质存储用于电子数据交换的计算机程序，其中，所述计算机程序使得计算机执行如上述方法实施例中第二网络节点所描述的部分或全部步骤。
本申请实施例还提供了一种计算机程序产品，其中，所述计算机程序产品包括存储了计算机程序的非瞬时性计算机可读存储介质，所述计算机程序可操作来使计算机执行如上述方法中用户设备所描述的部分或全部步骤。该计算机程序产品可以为一个软件安装包。
本申请实施例还提供了一种计算机程序产品，其中，所述计算机程序产品包括存储了计算机程序的非瞬时性计算机可读存储介质，所述计算机程序可操作来使计算机执行如上述方法实施例中第一网络节点所描述的部分或全部步骤。该计算机程序产品可以为一个软件安装包。
本申请实施例还提供了一种计算机程序产品，其中，所述计算机程序产品包括存储了计算机程序的非瞬时性计算机可读存储介质，所述计算机程序可操作来使计算机执行如上述方法实施例中第二网络节点所描述的部分或全部步骤。该计算机程序产品可以为一个软件安装包。
本申请实施例所描述的方法或者算法的步骤可以以硬件的方式来实现，也可以是由处理器执行软件指令的方式来实现。软件指令可以由相应的软件模块组成，软件模块可以被存放于随机存取存储器(Random Access Memory，RAM)、闪存、只读存储器(Read Only Memory，ROM)、可擦除可编程只读存储器(Erasable Programmable ROM，EPROM)、电可擦可编程只读存储 器(Electrically EPROM，EEPROM)、寄存器、硬盘、移动硬盘、只读光盘(CD-ROM)或者本领域熟知的任何其它形式的存储介质中。一种示例性的存储介质耦合至处理器，从而使处理器能够从该存储介质读取信息，且可向该存储介质写入信息。当然，存储介质也可以是处理器的组成部分。处理器和存储介质可以位于ASIC中。另外，该ASIC可以位于接入网设备、目标网络设备或核心网设备中。当然，处理器和存储介质也可以作为分立组件存在于接入网设备、目标网络设备或核心网设备中。
本领域技术人员应该可以意识到，在上述一个或多个示例中，本申请实施例所描述的功能可以全部或部分地通过软件、硬件、固件或者其任意组合来实现。当使用软件实现时，可以全部或部分地以计算机程序产品的形式实现。所述计算机程序产品包括一个或多个计算机指令。在计算机上加载和执行所述计算机程序指令时，全部或部分地产生按照本申请实施例所述的流程或功能。所述计算机可以是通用计算机、专用计算机、计算机网络、或者其他可编程装置。所述计算机指令可以存储在计算机可读存储介质中，或者从一个计算机可读存储介质向另一个计算机可读存储介质传输，例如，所述计算机指令可以从一个网站站点、计算机、服务器或数据中心通过有线(例如同轴电缆、光纤、数字用户线(Digital Subscriber Line，DSL))或无线(例如红外、无线、微波等)方式向另一个网站站点、计算机、服务器或数据中心进行传输。所述计算机可读存储介质可以是计算机能够存取的任何可用介质或者是包含一个或多个可用介质集成的服务器、数据中心等数据存储设备。所述可用介质可以是磁性介质(例如，软盘、硬盘、磁带)、光介质(例如，数字视频光盘(Digital Video Disc，DVD))、或者半导体介质(例如，固态硬盘(Solid State Disk，SSD))等。
以上所述的具体实施方式，对本申请实施例的目的、技术方案和有益效果进行了进一步详细说明，所应理解的是，以上所述仅为本申请实施例的具体实施方式而已，并不用于限定本申请实施例的保护范围，凡在本申请实施例的技术方案的基础之上，所做的任何修改、等同替换、改进等，均应包括在本申请实施例的保护范围之内。

Claims (22)

  1. 一种数据传输方法，其特征在于，包括：
    第一网络节点接收来自第二网络节点的信令，所述信令包括至少一个承载所使用的控制信息的相关信息；
    所述第一网络节点向用户设备发送所述至少一个承载所使用的控制信息，所述至少一个承载所使用的控制信息是基于所述相关信息确定的。
  2. 根据权利要求1所述的方法，其特征在于，所述信令还包括第一指示信息，所述第一指示信息用于指示所述至少一个承载中的至少一个承载是在所述第一网络节点上的承载或是在所述第二网络节点上的承载。
  3. 根据权利要求1或2所述的方法，其特征在于，所述信令还包括第二指示信息，所述第二指示信息用于指示所述第一网络节点停止或启动发送承载所使用的控制信息。
  4. 根据权利要求1-3任一项所述的方法，其特征在于，所述相关信息包括第三指示信息，所述第三指示信息用于指示在所述第一网络节点上的承载在所述至少一个承载所使用的控制信息中的比特位。
  5. 根据权利要求1-4任一项所述的方法，其特征在于，所述相关信息包括第四指示信息，所述第四指示信息用于指示在所述第二网络节点上的承载在所述至少一个承载所使用的控制信息中的比特位。
  6. 根据权利要求1-5任一项所述的方法，其特征在于，所述数据传输方法用于在承载建立时，或在承载重配置时。
  7. 一种数据传输方法，其特征在于，包括：
    第二网络节点向第一网络节点发送信令，所述信令包括至少一个承载所使 用的控制信息的相关信息，所述相关信息用于所述第一网络节点确定所述至少一个承载所使用的控制信息。
  8. 根据权利要求7所述的方法，其特征在于，所述信令还包括第一指示信息，所述第一指示信息用于指示所述至少一个承载中的至少一个承载是在所述第一网络节点上的承载或是在所述第二网络节点上的承载。
  9. 根据权利要求7或8所述的方法，其特征在于，所述信令还包括第二指示信息，所述第二指示信息用于指示所述第一网络节点停止或启动发送承载所使用的控制信息。
  10. 根据权利要求7-9任一项所述的方法，其特征在于，所述相关信息包括第三指示信息，所述第三指示信息用于指示在所述第一网络节点上的承载在所述至少一个承载所使用的控制信息中的比特位。
  11. 根据权利要求7-10任一项所述的方法，其特征在于，所述相关信息包括第四指示信息，所述第四指示信息用于指示在所述第二网络节点上的承载在所述至少一个承载所使用的控制信息中的比特位。
  12. 根据权利要求7-11任一项所述的方法，其特征在于，所述数据传输方法用于在承载建立时，或在承载重配置时。
  13. 一种数据传输方法，其特征在于，包括：
    用户设备接收来自第一网络节点的至少一个承载所使用的控制信息，所述至少一个承载所使用的控制信息是基于所述至少一个承载所使用的控制信息的相关信息确定的，所述相关信息是所述第二网络设备通过信令给所述第一网络设备发送的。
  14. 一种网络节点，其特征在于，应用于包括第一网络节点、第二网络节 点和用户设备的通信系统中，所述网络节点为所述第一网络节点，所述第一网络节点包括处理单元和通信单元，其中：
    所述处理单元，用于通过所述通信单元接收来自第二网络节点的信令，所述信令包括至少一个承载所使用的控制信息的相关信息；通过所述通信单元向用户设备发送所述至少一个承载所使用的控制信息，所述至少一个承载所使用的控制信息是基于所述相关信息确定的。
  15. 一种网络节点，其特征在于，应用于包括第一网络节点、第二网络节点和用户设备的通信系统中，所述网络节点为所述第二网络节点，所述第二网络节点包括处理单元和通信单元，其中：
    所述处理单元，用于通过所述通信单元向第一网络节点发送信令，所述信令包括至少一个承载所使用的控制信息的相关信息，所述相关信息用于所述第一网络节点确定所述至少一个承载所使用的控制信息。
  16. 一种用户设备，其特征在于，包括处理单元和通信单元，其中：
    所述处理单元，用于通过所述通信单元接收来自第一网络节点的至少一个承载所使用的控制信息，所述至少一个承载所使用的控制信息是基于所述至少一个承载所使用的控制信息的相关信息确定的，所述相关信息是所述第二网络设备通过信令给所述第一网络设备发送的。
  17. 一种网络节点，其特征在于，包括一个或多个处理器、一个或多个存储器、一个或多个收发器，以及一个或多个程序，所述一个或多个程序被存储在所述存储器中，并且被配置由所述一个或多个处理器执行，所述程序包括用于执行如权利要求1-6任一项所述的方法中的步骤的指令。
  18. 一种网络节点，其特征在于，包括一个或多个处理器、一个或多个存储器、一个或多个收发器，以及一个或多个程序，所述一个或多个程序被存储在所述存储器中，并且被配置由所述一个或多个处理器执行，所述程序包括用于执行如权利要求7-12任一项所述的方法中的步骤的指令。
  19. 一种用户设备，其特征在于，包括一个或多个处理器、一个或多个存储器、一个或多个收发器，以及一个或多个程序，所述一个或多个程序被存储在所述存储器中，并且被配置由所述一个或多个处理器执行，所述程序包括用于执行如权利要求13所述的方法中的步骤的指令。
  20. 一种计算机可读存储介质，其特征在于，其存储用于电子数据交换的计算机程序，其中，所述计算机程序使得计算机执行如权利要求1-6任一项所述的方法。
  21. 一种计算机可读存储介质，其特征在于，其存储用于电子数据交换的计算机程序，其中，所述计算机程序使得计算机执行如权利要求7-12任一项所述的方法。
  22. 一种计算机可读存储介质，其特征在于，其存储用于电子数据交换的计算机程序，其中，所述计算机程序使得计算机执行如权利要求13所述的方法。
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