WO2018014259A1 - 数据传输的方法、接入网设备、终端设备和网络实体 - Google Patents

数据传输的方法、接入网设备、终端设备和网络实体 Download PDF

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Publication number
WO2018014259A1
WO2018014259A1 PCT/CN2016/090702 CN2016090702W WO2018014259A1 WO 2018014259 A1 WO2018014259 A1 WO 2018014259A1 CN 2016090702 W CN2016090702 W CN 2016090702W WO 2018014259 A1 WO2018014259 A1 WO 2018014259A1
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Prior art keywords
access network
network device
terminal device
information
control channel
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PCT/CN2016/090702
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English (en)
French (fr)
Inventor
唐海
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广东欧珀移动通信有限公司
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Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=60992717&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=WO2018014259(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by 广东欧珀移动通信有限公司 filed Critical 广东欧珀移动通信有限公司
Priority to PCT/CN2016/090702 priority Critical patent/WO2018014259A1/zh
Priority to CN202110577022.4A priority patent/CN113316264A/zh
Priority to EP20187156.3A priority patent/EP3749048A1/en
Priority to JP2018567122A priority patent/JP6835880B2/ja
Priority to EP16909187.3A priority patent/EP3457807B1/en
Priority to US16/306,992 priority patent/US11212824B2/en
Priority to CN201680086867.0A priority patent/CN109314915B/zh
Priority to KR1020187037020A priority patent/KR20190031448A/ko
Priority to TW106123095A priority patent/TWI763685B/zh
Publication of WO2018014259A1 publication Critical patent/WO2018014259A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/535—Allocation or scheduling criteria for wireless resources based on resource usage policies
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/20—Manipulation of established connections
    • H04W76/27—Transitions between radio resource control [RRC] states
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/382—Monitoring; Testing of propagation channels for resource allocation, admission control or handover
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0083—Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
    • H04W36/00837—Determination of triggering parameters for hand-off
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0083—Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
    • H04W36/00837—Determination of triggering parameters for hand-off
    • H04W36/008375—Determination of triggering parameters for hand-off based on historical data
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
    • H04W48/12—Access restriction or access information delivery, e.g. discovery data delivery using downlink control channel
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling
    • H04W72/1263—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
    • H04W72/1273—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows of downlink data flows
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/11—Allocation or use of connection identifiers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0091—Signaling for the administration of the divided path
    • H04L5/0094—Indication of how sub-channels of the path are allocated
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0083—Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
    • H04W36/00838—Resource reservation for handover
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446—Resources in time domain, e.g. slots or frames
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • the embodiments of the present application relate to the field of communications, and in particular, to a method for data transmission, an access network device, a terminal device, and a network entity.
  • UE user equipment
  • RRC Radio Resource Control
  • the UE When the operation mode is the idle mode, the UE needs to receive or send data, and then transfers to the connection mode for establishing a high-level signaling connection, so that the data can be transmitted, resulting in low system efficiency and large power consumption of the terminal device.
  • the embodiment of the present application provides a data transmission method, which can improve system efficiency and reduce power consumption of a terminal device.
  • the first aspect provides a data transmission method, including: a first access network device sends a physical downlink control channel to a terminal device, where the physical downlink control channel carries scheduling information of downlink data of the terminal device, where the first interface
  • the network access device is any access network device in the set of access network devices, where the set of access network devices includes at least one access network device, and the terminal device can be performed within a range covered by the at least one access network device. No handover mobile; the first access network device sends the downlink data to the terminal device.
  • Each access network device in the set of access network devices sends a physical downlink control channel carrying scheduling information of downlink data of the terminal device to the terminal device, where the access network set includes at least one access network device, and at least one
  • the terminal device can perform the non-handover movement in the range covered by the access network device, and the first access network device sends the downlink data to the terminal device, so that the terminal device avoids receiving the downlink data in the state of restoring the high-level signaling connection. , thereby improving system efficiency and reducing power consumption of the terminal device.
  • the method before the first access network device sends the downlink data to the terminal device, the method further includes: the first access network device receiving the downlink data sent by the network entity.
  • the set of access network devices includes at least one access network device, which can be managed by a logical entity (denoted as a network entity).
  • the network entity may know that the access network device set has several access network devices; and configuration, storage, and the like of the terminal context information; and a user-hosted connection between the access network device and the core network device.
  • the network entity is a core network device.
  • the network side (for example, the server) can directly send the downlink data to the core network device, and the core network device forwards each access to the access network device set. Network equipment. If the core network device does not have a direct connection with the access network device, the core network may first establish a connection with the access network device.
  • the network entity is a second access network device in the set of access network devices.
  • the second access network device may send downlink data to all access network devices of the first access network device set except the second access network device, so that the access network devices in the access network device set can simultaneously perform Downstream data transmission.
  • the second access network device sends downlink data to the network that it covers, and if the terminal device does not receive feedback (for example, the uplink data sent by the terminal device is not received), the second access network device performs downlink data again. Send to other access network devices.
  • the method further includes: receiving, by the first access network device, resource configuration information sent by a network entity, where the resource configuration information is used by the terminal device to send uplink data; The terminal device sends the resource configuration information.
  • the first access network device receives the resource configuration information of the uplink data of the terminal device sent by the network entity, and sends the resource configuration information to the terminal device.
  • the terminal device may send uplink data to the first access network device according to the resource configuration information. In this way, the terminal device can send uplink data without restoring the connection of the high-level signaling, thereby saving power consumption of the terminal device.
  • the first access network device sends the resource configuration information to the terminal device, where the first access network device sends the downlink access data or the physical downlink control channel to the terminal device. Resource configuration information.
  • the first access network device receives the resource configuration information of the uplink data of the terminal device that is sent by the network entity, and carries the resource configuration information in the downlink data that is sent to the terminal device.
  • Terminal device root The uplink data may be sent to the first access network device according to the resource configuration information. Or the resource configuration information of the uplink data of the terminal device may also be carried in the physical downlink control channel, thereby saving power consumption of the terminal device.
  • the method further includes: the first access network device receiving uplink data sent by the terminal device; and the first access network device accessing the other access in the first access network device set The network device sends the first indication information, where the first indication information is used to stop sending downlink data to the terminal device.
  • the terminal device After receiving the resource configuration information of the uplink data, the terminal device sends the uplink data to the first access network device. If the first access network device does not receive the feedback of the terminal device, it indicates that the terminal device is not within the coverage of the first access network device. If the first access network device receives the uplink data sent by the terminal device, it may be determined that the terminal device is currently within the coverage of the first access network device, and the first access network device may be in the access network device set. The other access network device sends a message indicating that the second access network device stops sending the downlink data indication information (represented as the first indication information) to the terminal device, thereby saving system power consumption.
  • the first access network device does not receive the feedback of the terminal device, it indicates that the terminal device is not within the coverage of the first access network device. If the first access network device receives the uplink data sent by the terminal device, it may be determined that the terminal device is currently within the coverage of the first access network device, and the first access network device may be in the access network device set. The other
  • the method further includes: the first access network device receives the uplink data sent by the terminal device; the first access network device sends the second indication information to the network entity, where the second indication information And indicating that the network entity sends only subsequent downlink data to the first access network device, where downlink data sent to the terminal comes from or passes through the network entity.
  • the first access network device may send the indication information (represented as the second indication information) to the network entity when the terminal device is in the range of the coverage of the network, and the network entity may only send the downlink data to the first access network device, thereby saving System power consumption.
  • the indication information represented as the second indication information
  • the resource configuration information includes dedicated resources and/or access sequences of the uplink data.
  • the first access network device may carry the dedicated resource of the uplink data in the downlink data or the physical downlink control channel; or the first access network device may carry the specific access of the random access of the uplink data in the downlink data or the physical downlink control channel. Into the sequence. In this way, the terminal device can send uplink data without restoring the connection of the high layer signaling, thereby saving power consumption of the terminal device.
  • the method before the first access network device sends the physical downlink control channel to the terminal device, the method further includes: determining, by the first access network device, feature information of the physical downlink control channel; An access network device sends the feature information to the terminal device, where the feature information is used to indicate that the terminal device receives the physical downlink control channel.
  • the feature information may be configured by the access network device and sent to the terminal device, and the feature information may be used as a context. Information is passed between network nodes.
  • the feature information is configured when the first access network device and the terminal device have a high layer signaling connection.
  • the feature information may be configured by the access network device when the connection with the terminal device is established or restored to the higher layer signaling connection and sent to the terminal device, and the feature information may be transmitted as context information between the network nodes.
  • the method before the first access network device sends the physical downlink control channel to the terminal device, the method further includes: the first access network device receiving the feature of the physical downlink control channel sent by the network entity The first access network device sends the feature information to the terminal device, where the feature information is used to indicate that the terminal device receives the physical downlink control channel.
  • the first access network device receives the feature information of the physical downlink control channel sent by the network entity, and sends the feature information to the terminal device, where the terminal device receives the physical downlink control channel according to the feature information.
  • the feature information is configured by the network entity.
  • the network entity configures the characteristic information of the physical downlink control channel for the terminal device, and sends the information to the terminal device, and the terminal device can accurately receive the physical downlink control channel according to the feature information.
  • the sending, by the first access network device, the feature information to the terminal device includes: sending, by the first access network device, the feature information carried by the terminal device to the terminal device.
  • each access network device may carry its own feature information in the system information, and send the system to the terminal device.
  • the information implements sending characteristic information of the access network device, so that the terminal device can receive the physical downlink control channel.
  • the feature information includes time domain resource information, frequency domain resource information, subcarrier spacing information, and/or subframe structure information.
  • the first access network device sends the physical downlink control channel through a preset time domain location (ie, periodic), and the terminal device needs to receive the physical downlink control channel according to the non-connection renewing manner.
  • the first access network device sends the physical downlink control channel by using other feature information, and the terminal device needs to accurately receive the physical downlink control channel according to the corresponding feature information.
  • the scheduling information is scheduling information that is scrambled by a radio network temporary identifier RNTI corresponding to the terminal device, and the physical downlink control channel of the RNTI and other access network devices in the access network device set.
  • the RNTI of the carried scrambling scheduling information is the same, and the RNTI is configured when the first access network device and the terminal device have a high-level signaling connection, or the RNTI is pre-configured by the network entity and sent to the access Before the first access network device sends the downlink data to the terminal device, the method further includes: the first access network device sending the RNTI to the terminal device The RNTI is used by the terminal device to demodulate the scheduling information.
  • the access network device sends the RNTI to the terminal device, so that the terminal device demodulates the received physical downlink control channel according to the RNTI to learn scheduling information carried by the physical downlink control channel.
  • the terminal device can receive downlink data without restoring the connection state of the high layer signaling, thereby saving power consumption of the terminal device.
  • the sending, by the first access network device, the RNTI to the terminal device includes: sending, by the first access network device, system information to the terminal device, where the system information carries the RNTI.
  • Each access network device in the set of access network devices can transmit the system information to the terminal device by carrying the RNTI in the system information, so as to implement sending the RNTI to the terminal device.
  • the terminal device learns the scheduling information carried by the physical downlink control channel according to the RNTI demodulation.
  • the terminal device can receive downlink data without restoring the connection state of the high layer signaling, thereby saving power consumption of the terminal device.
  • the downlink data is user plane data or control plane data.
  • the control plane data may be a radio resource control message, such as a paging message or the like.
  • a second aspect of the present invention provides a data transmission method, including: receiving, by a terminal device, the physical downlink control channel sent by a first access network device, where the physical downlink control channel carries scheduling information of downlink data of the terminal device, where An access network device belongs to the set of access network devices, the access network set includes at least one access network device, and the terminal device can perform non-handover movement within a range covered by the at least one access network device; The terminal device receives the downlink data sent by the first access network device according to the scheduling information.
  • the terminal device may receive a physical downlink control channel sent by the first access network device in the set of access network devices, where the access network set includes at least one access network device, and the terminal device is in the at least one access network device
  • the non-switching movement can be performed within the coverage range, and the first access network is set
  • the downlink data is sent to the terminal device, so that the terminal device avoids receiving the downlink data in the state of restoring the high-level signaling connection, thereby improving system efficiency and reducing power consumption of the terminal device.
  • the method further includes: receiving, by the terminal device, the resource configuration information sent by the first access network device, where the resource configuration information is used by the terminal device to send uplink data; the terminal device according to the resource The configuration information is sent to the first access network device.
  • the terminal device receives the resource configuration information of the uplink data sent by the first access network device, and sends the uplink data to the first access network device according to the resource configuration information. In this way, the terminal device can send uplink data without restoring the connection of the high-level signaling, thereby saving power consumption of the terminal device.
  • the receiving, by the terminal device, the resource configuration information sent by the first access network device includes: receiving, by the terminal device, the resource configuration information carried by the downlink data or the physical downlink control channel.
  • the terminal device can receive the resource configuration information by receiving the downlink data or the physical downlink control channel. That is, the resource configuration information may be carried in the downlink data or the physical downlink control channel. In this way, the terminal device does not need to separately send the resource configuration information, and can send the uplink data without restoring the connection of the high-level signaling, thereby further saving the power consumption of the terminal device.
  • the resource configuration information includes dedicated resources and/or access sequences of the uplink data.
  • the terminal device may receive the dedicated resource that the first access network device carries the uplink data in the downlink data or the physical downlink control channel; or the uplink data that the first access network device carries the uplink data in the downlink data or the physical downlink control channel.
  • the specific access sequence accessed. In this way, the terminal device can send uplink data without restoring the connection of the high-level signaling, thereby saving power consumption of the terminal device.
  • the method before receiving the downlink data sent by the first access network device, the method further includes: receiving, by the terminal device, a radio network temporary identifier RNTI sent by the first access network device; The device demodulates the scheduling information according to the RNTI.
  • the terminal device receives the RNTI sent by the access network device, and demodulates the received physical downlink control channel according to the RNTI to obtain scheduling information carried by the physical downlink control channel.
  • the terminal device can receive downlink data without restoring the connection state of the high layer signaling, thereby saving power consumption of the terminal device.
  • the terminal device receives the sending by the first access network device
  • the RNTI includes: the terminal device receives system information sent by the first access network device, and the system information carries the RNTI.
  • the terminal device may receive the RNTI in the system information, and demodulate the scheduling information carried by the physical downlink control channel according to the RNTI.
  • the terminal device can receive downlink data without restoring the connection state of the high layer signaling, thereby saving power consumption of the terminal device.
  • the method further includes: receiving, by the terminal device, feature information of the first access network device, where the receiving, by the terminal device, the physical downlink control channel sent by the first access network device includes: the terminal The device receives the physical downlink control channel sent by the first access network device according to the feature information.
  • the terminal device receives the feature information of the physical downlink control channel sent by the first access network device, and can accurately receive the physical downlink control channel according to the feature information, thereby improving system efficiency.
  • the receiving, by the terminal device, the feature information of the first access network device includes: receiving, by the terminal device, system information sent by the first access network device, where the system information carries the first access network Characteristic information of the device.
  • the terminal device receives the system information sent by the first access network device, and the system information carries the feature information of the first access network device, so that the terminal device can accurately receive the physical downlink control channel according to the feature information.
  • the feature information includes time domain resource information, frequency domain resource information, subcarrier spacing information, and/or subframe structure information.
  • the first access network device sends the physical downlink control channel through a preset time domain location (ie, periodic), and the terminal device needs to receive the physical downlink control channel according to the non-connection renewing manner.
  • the first access network device sends the physical downlink control channel by using other feature information, and the terminal device accurately receives the physical downlink control channel according to the received corresponding feature information.
  • the downlink data is user plane data or control plane data.
  • the control plane data may be a radio resource control message, such as a paging message or the like.
  • a third aspect provides a data transmission method, including: determining, by a network entity, an access network device set; the network entity transmitting downlink data to an access network device in the access network device set, where the access network device set includes At least one access network device, and the terminal device is capable of non-switching movement within a range covered by the at least one access network device.
  • the set of access network devices includes at least one access network device, which can be managed by a logical entity (denoted as a network entity). For example, the network entity can know the access
  • the network device set has several access network devices; and configuration, storage, and the like of the terminal context information; and a user-hosted connection between the access network device and the core network device.
  • the network side may send downlink data to the network entity, and the network entity forwards to each access network device in the set of access network devices.
  • Each access network device in the set of access network devices sends the downlink data to the terminal device, so that the terminal device receives the downlink data in a state of avoiding the high-level signaling connection, thereby improving system efficiency and reducing the work of the terminal device. Consumption.
  • the network entity is a core network device, where the sending, by the network entity, the downlink data to the access network device in the access network device set includes: the core network device accessing the at least one Each of the access network devices in the network device transmits the downlink data.
  • the network side (for example, the server) can directly send the downlink data to the core network device, and the core network device forwards each access to the access network device set.
  • Network equipment If the core network device does not have a direct connection with the access network device, the core network may first establish a connection with the access network device, and then send the terminal device to each terminal device in the access network device set. Therefore, the terminal device avoids receiving the downlink data in the state of restoring the high-level signaling connection, thereby improving system efficiency and reducing power consumption of the terminal device.
  • the network entity is a second access network device in the set of access network devices, where the sending, by the network entity, the downlink data to the access network device in the set of access network devices includes: The second access network device sends the downlink data to all access network devices except the second access network device in the set of access network devices.
  • the second access network device may send downlink data to all access network devices of the first access network device set except the second access network device, so that other access network devices in the access network device set can simultaneously
  • the downlink data is sent to the terminal device, so that the terminal device avoids receiving the downlink data in the state of restoring the high-level signaling connection, thereby improving system efficiency and reducing power consumption of the terminal device.
  • the method further includes: the second access network device sending the downlink data to the terminal device.
  • the second access network device can also send downlink data to the network that it covers, that is, all access network devices in the access network device set can simultaneously send downlink data to the terminal device, so that the terminal device avoids recovering high-level messages.
  • the downlink data is received in the connected state, thereby improving system efficiency and reducing power consumption of the terminal device.
  • the method further includes: receiving, by the network entity, indication information sent by the first access network device in the set of access network devices, where the indication information is used to indicate the network entity Sending subsequent downlink data only to the second access network device; the network entity only sends subsequent downlink data to the first access network device.
  • the network entity may receive the indication information sent by the first access network device when determining that the terminal device belongs to itself, and the network entity may only send downlink data to the first access network device, thereby saving system power consumption.
  • the method further includes: the network entity sending resource configuration information to the terminal device by using an access network device in the set of access network devices, where the resource configuration information is used by the terminal device to send uplink data. .
  • the network entity can send the uplink data of the uplink data to the terminal device by using the access network device in the access network device set, so that the terminal device can send the uplink data to the access network device according to the resource configuration information, so that the terminal device is in the When the high-level connection is not restored, the upper and lower data can be transmitted, thereby saving power consumption of the terminal device.
  • the resource configuration information includes dedicated resources and/or access sequences of the uplink data.
  • the method further includes: sending, by the network entity, the feature information of the physical downlink control channel to the terminal device by using the access network device in the set of access network devices, where the feature information is used to indicate the The terminal device receives the physical downlink control channel.
  • the network entity may configure the feature information for the physical downlink control channel, and send the information to the terminal device through the access network device in the access network device set, and the feature information may be transmitted as the context information between the network nodes.
  • the feature information includes time domain resource information, frequency domain resource information, subcarrier spacing information, and/or subframe structure information.
  • the downlink data is user plane data or control plane data.
  • the control plane data may be a radio resource control message, such as a paging message or the like.
  • an access network device comprising modules for performing the method of the first aspect or any of the possible implementations of the first aspect.
  • a terminal device comprising modules for performing the method of the second aspect or any possible implementation of the second aspect.
  • a network entity comprising modules for performing the method of the third aspect or any of the possible implementations of the third aspect.
  • a seventh aspect provides a system for data transmission, including: the access network of the foregoing fourth aspect The device, the terminal device of the above fifth aspect, and the network entity of the sixth aspect described above.
  • an access network device including: a processor and a memory;
  • the memory stores a program
  • the processor executes the program for performing the data transmission method of the first aspect or any of the possible implementations of the first aspect.
  • a ninth aspect provides a terminal device, including: a processor and a memory;
  • the memory stores a program, the processor executing the program for performing the data transmission method of any of the above-described second aspect or the second aspect of the second aspect.
  • a tenth aspect provides a network entity, including: a processor and a memory;
  • the memory stores a program
  • the processor executes the program for performing the data transmission method of any of the above-described third aspect or the third aspect of the third aspect.
  • a computer storage medium storing program code for indicating data transmission in performing any of the above first aspect or the first aspect of the first aspect Methods.
  • a computer storage medium storing program code for indicating data transmission in performing any of the above-mentioned second aspect or the second aspect of the possible implementation Methods.
  • a thirteenth aspect a computer storage medium storing program code for indicating data transmission in performing any of the above-mentioned third or third possible implementation manners Methods.
  • each access network device in the access network device set sends a physical downlink control channel carrying the scheduling information of the downlink data of the terminal device to the terminal device, where the connection is performed.
  • the network access set includes at least one access network device, wherein the terminal device is capable of performing handover-free mobility within a range covered by the at least one access network device, and each access network device sends the downlink data to the terminal device, such that The terminal device avoids receiving the downlink data in the state of restoring the high-level signaling connection, thereby improving system efficiency and reducing power consumption of the terminal device.
  • FIG. 1 is an application scenario diagram according to an embodiment of the present application
  • FIG. 2 is a schematic flowchart of a communication method of an application scenario in the embodiment of the present application
  • FIG. 3 is a schematic diagram of a method for data transmission according to an embodiment of the present application.
  • FIG. 4 is a schematic diagram of a method for data transmission according to still another embodiment of the present application.
  • FIG. 5 is a schematic diagram of a method for data transmission according to still another embodiment of the present application.
  • FIG. 6 is a schematic diagram of a method for data transmission according to still another embodiment of the present application.
  • FIG. 7 is a schematic diagram of a method for data transmission according to still another embodiment of the present application.
  • FIG. 8 is a schematic diagram of a method for data transmission according to still another embodiment of the present application.
  • FIG. 9 is a schematic flowchart of a method for data transmission according to still another embodiment of the present application.
  • FIG. 10 is a schematic block diagram of an access network device according to an embodiment of the present application.
  • FIG. 11 is a schematic block diagram of a terminal device according to an embodiment of the present application.
  • FIG. 12 is a schematic block diagram of a network entity of an embodiment of the present application.
  • Figure 13 is a schematic block diagram of a system in accordance with an embodiment of the present application.
  • FIG. 14 is a schematic structural diagram of an access network device according to an embodiment of the present application.
  • 15 is a schematic structural diagram of a terminal device according to an embodiment of the present application.
  • FIG. 16 is a schematic structural diagram of a network entity according to an embodiment of the present application.
  • a terminal device may also be called an access terminal, user equipment, subscriber unit, subscriber station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication device, user agent, or user device.
  • the access terminal may be a cellular phone, a cordless phone, a SIP (Session Initiation Protocol) phone, a WLL (Wireless Local Loop) station, a PDA (Personal Digital Assistant), and a wireless communication.
  • the access network device can be used to communicate with the mobile device, and the access network device can be a global mobile communication (Global System of Mobile communication, GSM) or Base Station (BTS) in Code Division Multiple Access (CDMA), or Wideband Code Division Multiple Access (WCDMA)
  • GSM Global System of Mobile communication
  • BTS Base Station
  • CDMA Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • the base station (NodeB, NB) may also be an evolved base station (Evolutional Node B, eNB or eNodeB) in Long Term Evolution (LTE), or a relay station or an access point, or an in-vehicle device or a wearable device.
  • LTE Long Term Evolution
  • LTE Long Term Evolution
  • LTE Long Term Evolution
  • LTE Long Term Evolution
  • LTE Long Term Evolution
  • LTE Long Term Evolution
  • LTE Long Term Evolution
  • LTE Long Term Evolution
  • LTE Long Term Evolution
  • LTE Long Term Evolution
  • the core network device may be a Mobility Management Entity (MME), or may be a Serving Gateway (S-GW) or a PDN Gateway (P-GW), which is not limited in this application.
  • MME Mobility Management Entity
  • S-GW Serving Gateway
  • P-GW PDN Gateway
  • Idle mode has only one idle state. In the Idle state, all UE connections are closed at the access layer. The UTRAN does not establish a context for UEs in idle mode. If a particular UE is to be addressed, paging messages can only be sent to all UEs or to multiple UEs listening to the same paging period within one cell.
  • the connection mode has four states: CELL-PCH (Cell Paging Channel Status), URA-PCH (UTRAN Registration Area Paging Channel Status), CELL-FACH (Cell Forward Access Channel Status), and CELL-DCH (Cell-DCH) Channel status).
  • the CELL-DCH is a connection mode of a high-level signaling connection, and may also be referred to as an “active state”.
  • FIG. 1 is a schematic diagram of an application scenario of the present application.
  • the terminal device when the terminal device resides in the cell 2 of the Access Network (AN) 2, when the terminal device initiates a service connection request, the AN2 establishes a connection with the core network device (CN).
  • the AN2 simultaneously transmits the configured context information to the CN, and the CN determines the access network device set according to the saved access history information of the terminal device. If the AN3 belongs to the access network device set, the CN establishes a network connection with the AN3, and connects to the AN3.
  • the context information of the terminal device is transmitted, and AN3 communicates with the network according to the context information.
  • the terminal device can seamlessly move between the cell covered by AN3 and the cell covered by AN2. That is to say, when the terminal device moves within the coverage of the access network device in the access network set, the switching of the access network device is not required, that is, the network is not notified.
  • FIG. 2 is an interaction flowchart of a communication method in an application scenario of the present application.
  • the terminal device acquires access history information or subscription information of the terminal device.
  • the terminal device sends the access history information or the subscription information to a core network device.
  • the terminal device may directly send the access history information to the core network device. For example, when the terminal device sends a non-access stratum (NAS) signaling request message to the core network device, the terminal device is in the signaling request message.
  • the access history information is carried; or the terminal device may also send the access history information to the core network device by forwarding the access network device currently accessed by the terminal device.
  • NAS non-access stratum
  • the core network device determines, according to the access history information or the subscription information, a set of access network devices.
  • the core network device receives the subscription information or the access history information, and determines at least one access network device that the terminal device often resides according to the subscription information or the access history information, and determines the at least one access network device as a virtual access. Network device collection.
  • the core network device may determine different access network device sets according to the information type (the identification ID of the access network device and the duration information and/or the service type information) included in the access history information.
  • the core network device sends a network connection request message to each of the at least one access network device.
  • the core network device determines that the terminal device accesses the network device set (ie, at least one access network device), and sends a network connection request message to each of the at least one access network device.
  • the network connection request message carries the context information of the terminal device, and the context information is generated by the currently accessed access network device for the terminal device when the terminal device initiates the service connection, and is sent to the core network.
  • Each of the access network devices in the set of access network devices can receive the context information and store it.
  • the access network device establishes a network connection of the terminal device according to the network connection request message.
  • Each of the at least one access network device receives the network connection request message, and establishes a network connection of the terminal device according to the network connection request message.
  • the core network device can directly establish a network connection with each access network device in the set of access network devices, which is not limited in this application. In this way, each access network device in the set of access network devices establishes the network connection of the terminal device in advance, so that the terminal device can seamlessly move within the coverage of the at least one access network device, thereby saving communication time. Delay.
  • the terminal device When the terminal device moves to access the first access network device (that is, any one of the access network device sets), the terminal device can use the context information stored by the first access network device.
  • the access network communicates. Thereby, enabling the terminal device to be located in the at least one access network Seamless movement within the coverage area saves communication latency.
  • the terminal device sends the access history information or the subscription information of the terminal device to the core network device, so that the core network device determines the access network device set including the at least one access network device according to the access history information or the subscription information. And sending, to each access network device in the set of access network devices, a network connection request message, where each access network device in the set of access network devices establishes a network connection of the terminal device according to the network connection request message, such that Each access network device in the set of access network devices establishes a network connection of the terminal device in advance, so that the terminal device can seamlessly move within the coverage of the at least one access network device, thereby saving communication delay .
  • a state in which the terminal device can perform handover without the access network device within a range covered by all the access network devices in the at least one access network device set is referred to as “inactive state”. That is to say, the RRC connection of the terminal device and the coverage of all the access network devices that are carried in the access network device set are reserved, and the behavior of the terminal device at the access layer does not notify the access network device.
  • inactive state is not limited in the embodiment of the present application.
  • an access network device set has only one access network device, it may also be referred to as an "idle state.”
  • the terminal device needs to be converted from an inactive state to an active state with a high-level signaling connection to transmit data, resulting in low system efficiency and large power consumption of the terminal device.
  • the executive body of the method 200 can be an access network device.
  • the method 200 includes:
  • the first access network device sends a physical downlink control channel to the terminal device, where the physical downlink control channel carries scheduling information of the downlink data of the terminal device, where the first access network device is any one of the access network device set.
  • An access network device where the access network device set includes at least one access network device, and the terminal device is capable of performing a handover-free movement within a range covered by the at least one access network device;
  • the first access network device sends the downlink data to the terminal device.
  • Each access network device in the set of access network devices sends a physical downlink control channel carrying scheduling information of downlink data of the terminal device to the terminal device, where the access network set includes at least one access network device, and at least one The terminal device can perform no cutting within the coverage of the access network device And the first access network device sends the downlink data to the terminal device, so that the terminal device avoids receiving the downlink data in the state of restoring the high-level signaling connection, thereby improving system efficiency and reducing power consumption of the terminal device.
  • Each access network device in the set of access network devices sends a physical downlink control channel to the terminal device, and only one access network device can successfully send to the terminal device. That is to say, the terminal device can only receive the physical downlink control channel sent by the first access network device to which the terminal device belongs.
  • the first access network device sends a physical downlink control channel (PDCCH) to the terminal device, where the physical downlink control channel carries scheduling information of the downlink data of the terminal device.
  • PDCCH physical downlink control channel
  • the first access network device is any one of the access network device sets, and the access network device set includes at least one access network device.
  • the terminal device is free to move within the coverage of all access network devices in the set of access network devices, and does not need to perform handover of the access network device.
  • the method further includes: the first access network device receiving the downlink data sent by the network entity.
  • the set of access network devices includes at least one access network device, which can be managed by a logical entity (denoted as a network entity).
  • the network entity may know that the access network device set has several access network devices; and configuration, storage, and the like of the terminal context information; and a user-hosted connection between the access network device and the core network device.
  • the network entity may be one of the access network device sets, or a core network device, or another network entity other than the access network device set. This is not limited.
  • the embodiment of the present application is described by taking the network entity as an independent device as an example, but the application is not limited thereto.
  • the network side may send the downlink data to the network entity, and the network entity forwards to each access network device in the set of access network devices.
  • the network entity is an independent device responsible for the management of the set of access network devices.
  • the core network device first communicates with the network entity, establishes a user plane bearer between the core network device and the access network device, and transmits the establishment information carried by the user plane and the context information of the terminal device to the Access network equipment.
  • the network entity is a core network device.
  • the network side eg, the server
  • the network side can send the downlink data directly to the core network device, and the core network device forwards to each access network device in the set of access network devices.
  • the core network device may first establish a connection with the access network device. For example, the core network device communicates with the network entity, and establishes a user plane bearer setup between the access network device and the core network device, and sends the setup information carried by the user and the context information of the terminal device to the access network device. Thereby, the core network device transmits the downlink data to the terminal device through the network entity.
  • the core network device can also directly send downlink data to each access network device in the set of access network devices.
  • the network entity only has the function of control management.
  • the first access network device may also be an access network device to which the network entity is currently connected.
  • the network entity can only send downlink data to the first access network device and send it to the terminal device. If the first access network device does not receive the feedback from the terminal device, the first access network device sends information indicating that the data transmission fails to the core network device, and sends the downlink data to other accesses in the access network set. Network equipment. If the first access network device receives the downlink data sent by the terminal device, the network entity does not need to send downlink data to other access network devices in the access network device set, thereby saving network resources.
  • the network side may send downlink data to the core network device, and the core network device forwards.
  • Any access network device represented as a second access network device of the first access network device in the first set of access network devices.
  • the second access network device may send downlink data to all access network devices of the first access network device set except the second access network device, so that the first access network device set is connected.
  • the network access device can simultaneously send data.
  • the second access network device sends downlink data to the network that it covers, and if the terminal device does not receive feedback (for example, the uplink data sent by the terminal device is not received), the second access network device performs downlink data again.
  • the second access network device may send downlink data to all remaining access network devices, and the access network device simultaneously sends downlink data; or may also only send to one access network device to search for terminal devices one by one. .
  • the context information of the terminal device may be carried in the downlink data, which is not limited in this application.
  • the second access network device may be the same access network device as the first access network device, so that downlink data may be directly sent from the core network device to the first access network device and transmitted to the terminal. End device.
  • the method before the first access network device sends the physical downlink control channel to the terminal device, the method further includes: determining, by the first access network device, the feature of the physical downlink control channel The first access network device sends the feature information to the terminal device, where the feature information is used to indicate that the terminal device receives the physical downlink control channel.
  • the physical downlink control channel may have different characteristics.
  • the feature information of the physical downlink control channel may include time domain resource information, frequency domain resource information, subcarrier spacing information, and/or subframe structure information.
  • the first access network device sends the physical downlink control channel through a preset time domain location (ie, periodic), and the terminal device needs to receive the physical downlink control channel according to a discontinuous (DRX) manner.
  • a preset time domain location ie, periodic
  • DRX discontinuous
  • the feature information is configured when the first access network device and the terminal device have a high layer signaling connection.
  • each access network device in the set of access network devices may use the same feature information (that is, the feature information of each access network device in the set of access network devices is unified) and sent to Terminal Equipment.
  • the feature information may be characteristic information of a physical downlink control channel configured for the terminal device when the access network device establishes a high-level signaling connection with the terminal device, that is, the terminal device is in an active state, or restores the high-level signaling connection, or may also This feature information is determined in other ways, which is not limited in this application.
  • the feature information can be passed between the network nodes as context information of the terminal device.
  • the method before the first access network device sends the physical downlink control channel to the terminal device, the method further includes: the first access network device receiving the physical downlink sent by the network entity The feature information of the control channel is configured by the network entity; the first access network device sends the feature information to the terminal device, where the feature information is used to indicate that the terminal device receives the physical downlink control channel.
  • each access network device in the set of access network devices may use the same feature information (that is, the feature information in the access network device set is unified) and sent to the terminal device.
  • the feature information may be allocated by the network entity and pre-configured to be transmitted to each access network device in the set of access network devices, and then sent to the terminal device.
  • the first access network device sends the feature information to the terminal device, where the first access network device sends the carried information to the terminal device by using system information. This feature information.
  • each access network device may carry its own feature information in the system information, and send the system to the terminal device.
  • the information implements sending characteristic information of the access network device, so that the terminal device can receive the physical downlink control channel.
  • the scheduling information is scheduling information that is scrambled by a Radio Network Temporary Identity (RNTI) corresponding to the terminal device, where the RNTI is in the set of access network devices.
  • the RNTI of the scrambling scheduling information carried by the physical downlink control channel of the other access network device is the same, and the RNTI is configured when the first access network device and the terminal device have a high-level signaling connection, or the RNTI is Pre-configured by the network entity and sent to each access network device in the set of access network devices; before the first access network device sends the downlink data to the terminal device, the method further includes: the first The access network device sends the RNTI to the terminal device, where the RNTI is used by the terminal device to demodulate the scheduling information.
  • RNTI Radio Network Temporary Identity
  • the terminal device receives the physical downlink control channel, where the physical downlink control channel carries the scheduling information of the downlink data of the terminal device, and the terminal device receives the downlink data according to the scheduling information.
  • the terminal device receives the RNTI sent by the access network device, and demodulates the received physical downlink control channel according to the RNTI to learn scheduling information carried by the physical downlink control channel.
  • Each access network device in the set of access network devices can use the same RNTI to scramble the scheduling information (that is, the RNTI in the set of access network devices is unified) and send the information to the terminal device.
  • the RNTI may be the RNTI that is configured when the access network device establishes a high-level signaling connection with the terminal device (that is, the terminal device is in an active state) or restores the high-level signaling connection. This application does not limit this.
  • the RNTI can be passed between the network nodes as context information of the terminal device.
  • Each access network device in the set of access network devices can use the same RNTI to scramble the scheduling information (that is, the RNTI in the set of access network devices is unified) and send the information to the terminal device.
  • the RNTI may be allocated by the network entity, and the access network device in the set of access network devices is pre-configured and then sent to the terminal device.
  • the downlink data may be user plane data or control plane data.
  • the control plane data may be an RRC message, for example, a paging message or the like.
  • the scheduling information is scheduling information that is scrambled by the RNTI.
  • the method further includes: the first access network device sends system information to the terminal device, where the system information carries the RNTI The RNTI is used by the terminal device to demodulate the scheduling information.
  • the RNTI may be network-specific, and each access network device in the set of access network devices may broadcast the system information to the terminal device by carrying the RNTI in the system information, so as to implement sending the RNTI to the terminal device.
  • the system information is Paging information.
  • the method further includes: receiving, by the first access network device, resource configuration information sent by the network entity, where the resource configuration information is used by the terminal device to send uplink data; and the first access network device sends the uplink data to the terminal device The resource configuration information.
  • the first access network device receives the resource configuration information of the uplink data of the terminal device sent by the network entity, and sends the resource configuration information to the terminal device.
  • the terminal device may send uplink data to the first access network device according to the resource configuration information. In this way, the terminal device can send uplink data without restoring the connection of the high-level signaling, thereby saving power consumption of the terminal device.
  • the first access network device sends the resource configuration information to the terminal device, where the first access network device sends the resource configuration information to the terminal device by using the downlink data or the physical downlink control channel.
  • the first access network device receives the resource configuration information of the uplink data of the terminal device that is sent by the network entity, and carries the resource configuration information in the downlink data that is sent to the terminal device.
  • the terminal device may send uplink data to the first access network device according to the resource configuration information.
  • the resource configuration information of the uplink data of the terminal device may also be carried in the physical downlink control channel, which saves power consumption of the terminal device.
  • the resource configuration information may be allocated by the network entity and sent to the first access network device; or the resource configuration information may also be the access network device allocation currently accessed by the terminal device in the access network device set. And sent to the network entity, the network entity saves the configuration, and when needed, the network entity can send the resource configuration information to other access network devices in the set of access network devices.
  • the resource configuration information includes a dedicated resource and/or an access sequence of the uplink data.
  • the first access network device may carry the dedicated data of the uplink data in the downlink data or the physical downlink control channel; or the first access network device may perform the uplink data random access of the uplink data in the downlink data or the physical downlink control channel. Specific access sequence. In this way, the terminal device can send uplink data without restoring the connection of the high layer signaling, thereby saving power consumption of the terminal device.
  • the method further includes: receiving, by the first access network device, uplink data sent by the terminal device, where the first access network device sends the other access network device in the first access network device set
  • the first indication information is used to indicate that the sending of the downlink data to the terminal device is stopped.
  • the terminal device After receiving the resource configuration information of the uplink data, the terminal device sends the uplink data to the first access network device. If the first access network device does not receive the feedback of the terminal device, it indicates that the terminal device is not within the coverage of the first access network device. If the first access network device receives the uplink data sent by the terminal device, it may be determined that the terminal device is currently within the coverage of the first access network device, and the access network device may be connected to other devices in the access network device set. The network access device sends a message indicating that the second access network device stops sending the downlink data indication information (represented as the first indication information) to the terminal device, thereby saving system power consumption.
  • the first access network device does not receive the feedback of the terminal device, it indicates that the terminal device is not within the coverage of the first access network device. If the first access network device receives the uplink data sent by the terminal device, it may be determined that the terminal device is currently within the coverage of the first access network device, and the access network device may be connected to other devices in the access network
  • the method further includes: the first access network device receives the uplink data sent by the terminal device; the first access network device sends the second indication information to the network entity, where The second indication information is used to indicate that the network entity sends only the downlink data to the first access network device, where the downlink data sent to the terminal comes from or passes through the network entity.
  • the first access network device may send the indication information (represented as the second indication information) to the network entity when the terminal device is in the range of the coverage of the network, and the network entity may only send the downlink data to the first access network device, thereby saving System power consumption.
  • the indication information represented as the second indication information
  • the first access network device in the access network device set sends a physical downlink control channel carrying the scheduling information of the downlink data of the terminal device to the terminal device, where the access network set includes At least one access network device, the terminal device is capable of performing non-handover movement within a range covered by the at least one access network device, and the first access network device sends the downlink data to the terminal device, so that the terminal device avoids recovery
  • the downlink data is received in the state of the high-level signaling connection, thereby improving system efficiency and reducing power consumption of the terminal device.
  • the size of the sequence numbers of the foregoing processes does not mean the order of execution sequence, and the order of execution of each process should be determined by its function and internal logic, and should not be applied to the embodiment of the present application.
  • the implementation process constitutes any limitation.
  • FIG. 7 is a schematic diagram of a method 300 of data transmission in accordance with an embodiment of the present application.
  • the execution body of the method 300 can be a terminal device.
  • the method 300 includes:
  • the terminal device receives a physical downlink control channel sent by the first access network device, where the physical downlink control channel carries scheduling information of the downlink data of the terminal device, where the first access network device belongs to the access network device set, where The access network set includes at least one access network device, and the terminal device is capable of performing handover-free movement within a range covered by the at least one access network device;
  • the terminal device receives the next sent by the first access network device according to the scheduling information. Row data.
  • the terminal device wants to receive downlink data, and can monitor the physical downlink control channel, where the physical downlink control channel carries scheduling information. That is, the UE first needs to demodulate the scheduling information of the PDCCH to determine which PDCCHs are required to be received by itself, and then receive downlink data belonging to itself according to the demodulated scheduling information (ie, resource configuration, etc.). Therefore, the first access network device sends a physical downlink control channel carrying the scheduling information to the terminal device, and the first access network device is any one of the access network device sets. That is to say, each access network device in the set of access network devices sends a physical downlink control channel carrying scheduling information to the terminal device. Only one access network device can successfully send to the terminal device. That is to say, the terminal device can only receive the physical downlink control channel sent by the access network device (represented as the first access network device) to which the terminal device belongs.
  • the access network device represented as the first access network device
  • the first access network device is any one of the access network device sets, and the access network device set includes at least one access network device.
  • the terminal device is free to move within the coverage of all access network devices in the set of access network devices, and does not need to perform handover of the access network device.
  • the method 300 further includes: the terminal device receiving the resource configuration information sent by the first access network device, where the resource configuration information is used by the terminal device to send uplink data; The terminal device sends the uplink data to the first access network device according to the resource configuration information.
  • the terminal device receives the resource configuration information of the uplink data sent by the first access network device, and may send the uplink data to the first access network device according to the resource configuration information. In this way, the terminal device can send uplink data without restoring the connection of the high-level signaling, thereby saving power consumption of the terminal device.
  • the receiving, by the terminal device, the resource configuration information sent by the first access network device includes: receiving, by the terminal device, the resource configuration carried by the downlink data or the physical downlink control channel information.
  • the terminal device can receive the resource configuration information by receiving the downlink data or the physical downlink control channel. That is, the resource configuration information may be carried in the downlink data or the physical downlink control channel. In this way, the terminal device does not need to separately send the resource configuration information, and can send the uplink data without restoring the connection of the high-level signaling, thereby further saving the power consumption of the terminal device.
  • the resource configuration information includes the uplink data. Use resources and/or access sequences.
  • the terminal device may receive the dedicated resource that the first access network device carries the uplink data in the downlink data or the physical downlink control channel; or the first access network device carries the uplink data in the downlink data or the physical downlink control channel.
  • a specific access sequence for random access of uplink data In this way, the terminal device can send uplink data without restoring the connection of the high-level signaling, thereby saving power consumption of the terminal device.
  • the method 300 before receiving the downlink data sent by the first access network device, the method 300 further includes: receiving, by the terminal device, the wireless network temporarily sent by the first access network device. Identifying the RNTI; the terminal device demodulates the scheduling information according to the RNTI.
  • the terminal device receives the RNTI sent by the access network device, and demodulates the received physical downlink control channel according to the RNTI to learn scheduling information carried by the physical downlink control channel.
  • the terminal device can receive downlink data without restoring the connection state of the high layer signaling, thereby saving power consumption of the terminal device.
  • the receiving, by the terminal device, the RNTI sent by the first access network device includes: receiving, by the terminal device, system information sent by the first access network device, where the system information carries the RNTI .
  • the terminal device may receive the RNTI in the system information, and demodulate the scheduling information carried by the physical downlink control channel according to the RNTI.
  • the terminal device can receive downlink data without restoring the connection state of the high layer signaling, thereby saving power consumption of the terminal device.
  • the method further includes: receiving, by the terminal device, feature information of the first access network device, where the terminal device receives a physical downlink control channel sent by the first access network device The terminal device receives the physical downlink control channel sent by the first access network device according to the feature information.
  • the terminal device receives the feature information of the physical downlink control channel sent by the first access network device, and can accurately receive the physical downlink control channel according to the feature information, thereby improving system efficiency.
  • the method 300 further includes: receiving, by the terminal device, feature information of the first access network device, where the terminal device receives system information sent by the first access network device, The system information carries feature information of the first access network device.
  • the terminal device receives the system information sent by the first access network device, so that the physical downlink control channel can be accurately received.
  • the feature information includes time domain resource information, frequency domain resource information, subcarrier spacing information, and/or subframe structure information.
  • the first access network device sends the physical downlink control channel by using a preset time domain location (ie, periodic), and the terminal device needs to receive the physical downlink control channel according to the non-connection renewing manner.
  • the first access network device sends the physical downlink control channel by using other feature information, and the terminal device accurately receives the physical downlink control channel according to the received corresponding feature information.
  • the downlink data is user plane data or control plane data.
  • the control plane data may be a radio resource control message, such as a paging message or the like.
  • the terminal device receives the physical downlink control channel sent by the first access network device in the access network device set, where the access network set includes at least one access network device, and The terminal device can perform the non-handover movement within the coverage of the at least one access network device, and the first access network device sends the downlink data to the terminal device, so that the terminal device avoids recovering the high-level signaling connection state. Received downlink data, which improves system efficiency and reduces power consumption of the terminal device.
  • FIG. 8 is a schematic diagram of a method 400 of data transmission in accordance with an embodiment of the present application.
  • the executive body of the method 400 can be a network entity.
  • the method 400 includes:
  • the network entity determines a set of access network devices, where the set of access network devices includes at least one access network device, and the terminal device is capable of performing non-handover movement within a range covered by the at least one access network device.
  • S420 The network entity sends downlink data to the access network device in the set of access network devices, so that the access network device sends the downlink data to the terminal device.
  • the set of access network devices includes at least one access network device, which can be managed by a logical entity (denoted as a network entity).
  • the network entity may know that the access network device set has several access network devices; and configuration, storage, and the like of the terminal context information; and a user-hosted connection between the access network device and the core network device.
  • the network side may send downlink data to the network entity, and the network entity forwards to each access network device in the set of access network devices.
  • Each access network device in the set of access network devices sends the downlink data to the terminal device, so that the terminal device receives the downlink data in a state of avoiding the high-level signaling connection, thereby improving system efficiency and reducing the work of the terminal device. Consumption.
  • the network entity is a core network device;
  • the sending, by the network entity, the downlink data to the access network device in the set of access network devices includes: sending, by the core network device, the downlink data to each of the at least one access network device.
  • the network side (for example, the server) can directly send the downlink data to the core network device, and the core network device forwards each access to the access network device set.
  • Network equipment If the core network device does not have a direct connection with the access network device, the core network may first establish a connection with the access network device, and then send the terminal device to each terminal device in the access network device set. Therefore, the terminal device avoids receiving the downlink data in the state of restoring the high-level signaling connection, thereby improving system efficiency and reducing power consumption of the terminal device.
  • the network entity is a second access network device in the set of access network devices; wherein the network entity sends the access network device to the access network device in the set of access network devices.
  • the downlink data includes: the second access network device sends the downlink data to all access network devices except the second access network device in the set of access network devices.
  • the second access network device may send downlink data to all access network devices of the first access network device set except the second access network device, so that other access network devices in the access network device set can simultaneously
  • the downlink data is sent to the terminal device, so that the terminal device avoids receiving the downlink data in the state of restoring the high-level signaling connection, thereby improving system efficiency and reducing power consumption of the terminal device.
  • the method further includes: the second access network device sending the downlink data to the terminal device.
  • the second access network device can also send downlink data to the network that it covers, that is, all access network devices in the access network device set can simultaneously send downlink data to the terminal device, so that the terminal device avoids recovering high-level messages.
  • the downlink data is received in the connected state, thereby improving system efficiency and reducing power consumption of the terminal device.
  • the method 400 further includes: the network entity receiving the indication information sent by the first access network device in the set of access network devices, where the indication information is used to indicate that the network entity only Sending subsequent downlink data to the second access network device; the network entity only sends subsequent downlink data to the first access network device.
  • the network entity may receive the indication information sent by the first access network device when determining that the terminal device belongs to itself, and the network entity may only send downlink data to the first access network device, thereby saving system power consumption.
  • the method 400 further includes: the network entity sending resource configuration information to the terminal device by using an access network device in the access network device set, the resource The configuration information is used by the terminal device to send uplink data.
  • the network entity can send the uplink data of the uplink data to the terminal device by using the access network device in the access network device set, so that the terminal device can send the uplink data to the access network device according to the resource configuration information, so that the terminal device is in the When the high-level connection is not restored, the upper and lower data can be transmitted, thereby saving power consumption of the terminal device.
  • the resource configuration information includes a dedicated resource and/or an access sequence of the uplink data.
  • the method 400 further includes: the network entity sending, by using an access network device in the set of access network devices, feature information of the physical downlink control channel to the terminal device, the feature The information is used to indicate that the terminal device receives the physical downlink control channel.
  • the network entity may configure the feature information for the physical downlink control channel, and send the information to the terminal device through the access network device in the access network device set, and the feature information may be transmitted as the context information between the network nodes.
  • the feature information includes time domain resource information, frequency domain resource information, subcarrier spacing information, and/or subframe structure information.
  • the downlink data is user plane data or control plane data.
  • the control plane data may be a radio resource control message, such as a paging message or the like.
  • the network entity sends the downlink data of the terminal device to the access network device in the access network device set by determining the access network device set including the at least one access network device.
  • the access network device sends the downlink data to the terminal device, and the terminal device can perform the non-handover movement within the coverage of the at least one access network device, so that the terminal device avoids receiving the state of the upper layer signaling connection.
  • Downstream data which improves system efficiency and reduces power consumption of terminal devices.
  • the access network device sends a physical downlink control channel to the terminal device, where the physical downlink control channel carries scheduling information of the downlink data of the terminal device.
  • the access network device is any one of the access network device sets, and the access network device set includes at least one access network device (for example, the access network device 1 and the access network device in FIG. 9) 2 and access network equipment 3).
  • the terminal device is capable of all access network settings in the set of access network devices The range of coverage is free to move, and there is no need to switch the access network device. That is to say, each access network device in the set of access network devices sends a physical downlink control channel to the terminal device.
  • the access network device sends the feature information of the physical downlink control channel to the terminal device, where the feature information is used to indicate that the terminal device receives the physical downlink control channel.
  • the access network device receives downlink data sent by the network entity.
  • the network entity may be an access network device in the set of access network devices, or a core network device, or an independent network entity other than the set of access network devices, which is not limited in this application.
  • step 602 may occur simultaneously with step 601, or before step 601, this application does not limit this.
  • the terminal device receives the RNTI.
  • Each access device in the set of access network devices sends a downlink control channel and downlink data to the terminal device, but only the access network device to which the terminal belongs (represented as the access network device 1) can be successfully transmitted to the terminal device.
  • the terminal device demodulates scheduling information of downlink data carried by the physical downlink control channel according to the RNTI.
  • the access network device 1 sends downlink data, where the downlink data can carry resource configuration information of the uplink data.
  • the resource configuration information of the uplink data may also be carried in the downlink control channel in step 601, which is not limited in this application.
  • the terminal device receives the downlink data sent by the access network device 1 according to the scheduling information.
  • the terminal device sends uplink data to the access network device 1 according to the resource configuration information.
  • the resource configuration information includes a dedicated resource and/or an access sequence of the uplink data.
  • the access network device 1 receives the uplink data, and the access network device 1 can determine that the terminal device is currently within the coverage of the network device, and the access network device 1 can send the indication information to the network entity or the core network device, the network entity or the core network. The device may only send downlink data to the first access network device.
  • the access network device 1 may send, to other access network devices (the access network device 2 and the access network device 3) in the set of access network devices, an indication for stopping sending the downlink data to the terminal device. information.
  • each access network device in the access network device set sends a physical downlink control that carries the scheduling information of the downlink data of the terminal device to the terminal device.
  • the access network set comprising at least one access network device, the terminal device being capable of non-handover movement within the coverage of the at least one access network device, and each access in the set of access network devices
  • the network device sends the downlink data to the terminal device, so that the terminal device receives the downlink data in a state in which the high-level signaling connection is restored, thereby improving system efficiency and reducing power consumption of the terminal device.
  • the size of the sequence numbers of the foregoing processes does not mean the order of execution sequence, and the order of execution of each process should be determined by its function and internal logic, and should not be applied to the embodiment of the present application.
  • the implementation process constitutes any limitation.
  • FIG. 10 shows a schematic block diagram of an access network device 700 in accordance with an embodiment of the present application.
  • the access network device 700 includes:
  • the sending module 710 is configured to send, to the terminal device, a physical downlink control channel, where the physical downlink control channel carries scheduling information of downlink data of the terminal device, where the access network device is any access network device in the set of access network devices.
  • the access network device set includes at least one access network device, and the terminal device is capable of performing handover-free movement within a range covered by the at least one access network device;
  • the sending module 710 is further configured to send the downlink data to the terminal device.
  • the first access network device further includes:
  • the receiving module is configured to receive the downlink data sent by the network entity.
  • the network entity is a core network device.
  • the network entity is a second access network device in the set of access network devices.
  • the receiving module is further configured to receive resource configuration information that is sent by the network entity, where the resource configuration information is used by the terminal device to send uplink data.
  • the sending module 710 is further configured to send the resource configuration information to the terminal device.
  • the sending module 710 is specifically configured to: send the resource configuration information by using the downlink data or the physical downlink control channel.
  • the first access network device further includes: the receiving module, configured to receive uplink data sent by the terminal device, and the sending module 710 is further configured to send the first interface
  • the other access network devices in the network access device set send the first indication information, where the first indication information is used to stop sending downlink data to the terminal device.
  • the receiving module is further configured to receive uplink data sent by the terminal device, where the sending module 710 is further configured to send second indication information to the network entity, where the second indication information is used by The network entity is instructed to send subsequent downlink data only to the first access network device, where downlink data sent to the terminal comes from or passes through the network entity.
  • the resource configuration information includes a dedicated resource and/or an access sequence of the uplink data.
  • the first access network device further includes: a determining module, configured to determine feature information of the physical downlink control channel, where the feature information is used by the first access network device and the The sending module 710 is further configured to send the feature information to the terminal device, where the feature information is used to indicate that the terminal device receives the physical downlink control channel.
  • the feature information is configured when the first access network device and the terminal device have a high layer signaling connection.
  • the receiving module is further configured to receive, by the network entity, feature information of the physical downlink control channel that is sent by the network entity, where the sending module 710 is further configured. And transmitting the feature information to the terminal device, where the feature information is used to indicate that the terminal device receives the physical downlink control channel.
  • the feature information is configured by the network entity.
  • the sending module 710 is specifically configured to: send the feature information that is carried to the terminal device by using system information.
  • the feature information includes time domain resource information, frequency domain resource information, subcarrier spacing information, and/or subframe structure information.
  • the scheduling information is scheduling information that is scrambled by the radio network temporary identifier RNTI corresponding to the terminal device
  • the sending module 710 is further configured to send the RNTI to the terminal device, where the RNTI is used.
  • the RNTI is used to demodulate the scheduling information, and the RNTI is the same as the RNTI of the scrambling scheduling information carried by the physical downlink control channel of the other access network devices in the access network device set, and the RNTI is the first
  • the access network device is configured when the terminal device has a high-level signaling connection, or the RNTI is pre-configured by the network entity and sent to each access network device in the set of access network devices.
  • the scheduling information is scheduling information that is scrambled by the RNTI.
  • the sending module 710 is further configured to send system information to the terminal device, where the system information carries the RNTI, where the RNTI is used.
  • the terminal device demodulates the scheduling information.
  • the downlink data is user plane data or control plane data.
  • the first access network device in the embodiment of the present application sends a physical downlink control channel carrying the scheduling information of the downlink data of the terminal device to the terminal device, where the access network set includes at least one access network device, where the at least one access network device
  • the terminal device can perform the non-handover movement in the range covered by the access network device, and the first access network device sends the downlink data to the terminal device, so that the terminal device avoids receiving the high-level signaling connection and receives the downlink data.
  • Downstream data which improves system efficiency and reduces power consumption of terminal devices.
  • FIG. 11 shows a schematic block diagram of a terminal device 800 in accordance with an embodiment of the present application.
  • the terminal device 800 includes:
  • the receiving module 810 is configured to receive the physical downlink control channel sent by the first access network device, where the physical downlink control channel carries scheduling information of the downlink data of the terminal device, where the first access network device is the access network device
  • An access network device in the set, the access network device set includes at least one access network device, and the terminal device can perform a non-handover movement within a range covered by the at least one access network device;
  • the receiving module 810 is further configured to receive the downlink data sent by the first access network device according to the scheduling information.
  • the receiving module is further configured to receive the resource configuration information that is sent by the first access network device, where the resource configuration information is used by the terminal device to send uplink data; And configured to send the uplink data to the first access network device according to the resource configuration information.
  • the receiving module 810 is specifically configured to: receive the resource configuration information carried by the downlink data or the physical downlink control channel.
  • the resource configuration information includes a dedicated resource and/or an access sequence of the uplink data.
  • the receiving module 810 is further configured to receive the radio network temporary identifier RNTI sent by the first access network device, and the processing module is configured to demodulate the scheduling information according to the RNTI.
  • the receiving module 810 is specifically configured to: receive system information sent by the first access network device, where the system information carries the RNTI.
  • the receiving module 810 is further configured to receive feature information of the first access network device, where the receiving module 810 is configured to: receive the feature according to the feature information.
  • the receiving module 810 is specifically configured to: receive system information sent by the first access network device, where the system information carries feature information of the first access network device.
  • the feature information includes time domain resource information, frequency domain resource information, subcarrier spacing information, and/or subframe structure information.
  • the downlink data is user plane data or control plane data.
  • the terminal device in the embodiment of the present application receives the physical downlink control channel sent by the first access network device in the set of access network devices, where the access network set includes at least one access network device, and the terminal device
  • the non-handover movement can be performed in the range covered by the at least one access network device, and the first access network device sends the downlink data to the terminal device, so that the terminal device avoids receiving the downlink in the state of restoring the high-level signaling connection.
  • Data which increases system efficiency and reduces power consumption of end devices.
  • FIG. 12 shows a schematic block diagram of a network entity 900 in accordance with an embodiment of the present application.
  • the network entity 900 includes:
  • the determining module 910 is configured to send, to the access network device in the set of access network devices, a physical downlink control channel, where the physical downlink control channel carries scheduling information of downlink data of the terminal device, where the set of access network devices includes at least one a network access device, and the terminal device is capable of performing a handover-free movement within a range covered by the at least one access network device;
  • the sending module 920 is configured to send the downlink data to the access network device in the set of access network devices, so that the access network device sends the downlink data to the terminal device.
  • the network entity is a core network device
  • the sending module 920 is specifically configured to: send the downlink data to each access network device of the at least one access network device.
  • the network entity is a second access network device in the set of access network devices
  • the sending module 920 is specifically configured to: All access network devices except the two access network devices send the downlink data.
  • the sending module 920 is further configured to send, to the terminal device, a physical downlink control channel, where the physical downlink control channel carries scheduling information of downlink data of the terminal device; Used to send the downlink data to the terminal device.
  • the receiving module is further configured to receive the indication information sent by the first access network device in the set of access network devices, where the indication information is used to indicate that the network entity only
  • the second access network device sends subsequent downlink data.
  • the sending module 920 is further configured to send subsequent downlink data only to the first access network device.
  • the sending module 920 is further configured to send resource configuration information to the terminal device by using an access network device in the access network device set, where the resource configuration information is used by the terminal device. Send upstream data.
  • the resource configuration information includes a dedicated resource and/or an access sequence of the uplink data.
  • the sending module 920 is further configured to send, by using an access network device in the access network device set, feature information of the physical downlink control channel, where the feature information is used by the access network device.
  • the terminal device is instructed to receive the physical downlink control channel.
  • the feature information includes time domain resource information, frequency domain resource information, subcarrier spacing information, and/or subframe structure information.
  • the downlink data is user plane data or control plane data.
  • the network entity in the embodiment of the present application determines the downlink data of the terminal device by using the access network device set including the at least one access network device, and sends the downlink data of the terminal device to the access network device in the access network device set.
  • the network device sends the downlink data to the terminal device, and the terminal device can perform the non-handover movement within the coverage of the at least one access network device, so that the terminal device avoids receiving the downlink data in the state of restoring the high-level signaling connection. Thereby improving system efficiency and reducing power consumption of the terminal device.
  • FIG. 13 shows a schematic block diagram of a system 1000 for data transmission provided by an embodiment of the present application.
  • the system 1000 includes:
  • the access network device 700 of the foregoing embodiment of the present application the terminal device 800 of the embodiment of the present application, and the network entity 900 of the embodiment of the present application.
  • FIG. 14 shows the structure of an access network device provided by an embodiment of the present application, including at least one processor 1102 (eg, a general purpose processor CPU with computing and processing capabilities, a digital signal processor (DSP), an application specific integrated circuit ( ASIC), off-the-shelf programmable gate array (FPGA), etc., the processor manages and schedules the various modules and devices within the OBU device. Also included is at least one network interface 1105 or other communication interface, memory 1106, and at least one bus system 1103. The various components of the OBU are coupled together by a bus system 1103, which may include a data bus, a power bus, a control bus, a status signal bus, etc., but for clarity of description, various buses are labeled as a bus system in the figure. 1103.
  • processor 1102 eg, a general purpose processor CPU with computing and processing capabilities, a digital signal processor (DSP), an application specific integrated circuit ( ASIC), off-the-shelf programmable gate array (FPGA), etc.
  • the processor manage
  • the method disclosed in the above embodiments of the present application may be applied to the processor 1102 or used to execute an executable module, such as a computer program, stored in the memory 1106.
  • the memory 1106 may include a high speed random access memory (RAM: Random Access Memory), and may also include a non-volatile memory.
  • RAM Random Access Memory
  • the memory may include a read only memory and a random access memory, and provide the processor with Required signaling or data, programs, etc.
  • a portion of the memory may also include non-volatile line random access memory (NVRAM).
  • NVRAM non-volatile line random access memory
  • a communication connection with at least one other network element is achieved by at least one network interface 1105 (which may be wired or wireless).
  • the memory 1106 stores a program 11061, and the processor 1102 executes the program 11061 for performing the following operations:
  • the set of access network devices includes at least one access network device, and the terminal device is capable of performing handover-free movement within a range covered by the at least one access network device;
  • the downlink data is transmitted to the terminal device through the network interface 1105.
  • the access network device may be specifically the access network device in the foregoing embodiment, and may be used to perform various steps and/or processes corresponding to the access network device in the foregoing method embodiments.
  • the first access network device sends a physical downlink control channel carrying scheduling information of downlink data of the terminal device to the terminal device, where the access network set includes at least one access.
  • the network device in the range covered by the at least one access network device, the terminal device is capable of performing handover-free mobile, and the first access network device sends the downlink data to the terminal device, so that the terminal device avoids recovering high-layer signaling Downlink data is received in the connected state, thereby improving system efficiency and reducing power consumption of the terminal device.
  • FIG. 15 shows the structure of a terminal device provided by an embodiment of the present application, including at least one processor 1202 (for example, a general-purpose processor CPU having a computing and processing capability, a digital signal processor (DSP), an application specific integrated circuit (ASIC). , off-the-shelf programmable gate array (FPGA), etc., the processor manages and schedules each module and device in the OBU device. Also included is at least one network interface 1205 or other communication interface, memory 1206, and at least one bus system 1203. The various components of the OBU are coupled together by a bus system 1203, which may include a data bus, a power bus, a control bus, a status signal bus, etc., but for clarity of description, various buses are labeled as a bus system in the figure. 1203.
  • a bus system 1203 which may include a data bus, a power bus, a control bus, a status signal bus, etc., but for clarity of description, various buses are labeled as a bus system in the figure. 1203.
  • the method disclosed in the above embodiments of the present application may be applied to the processor 1202 or used to execute an executable module, such as a computer program, stored in the memory 1206.
  • the memory 1206 may include a high speed random access memory (RAM), and may also include a non-volatile memory.
  • the memory may include a read only memory and a random access memory, and provide the processor with Required signaling or data, programs, etc.
  • a portion of the memory may also include non-volatile line random access memory (NVRAM).
  • NVRAM non-volatile line random access memory
  • a communication connection with at least one other network element is achieved by at least one network interface 1205, which may be wired or wireless.
  • the memory 1206 stores a program 12061, and the processor 1202 executes the program 12061 for performing the following operations:
  • the network interface 1205 Receiving, by the network interface 1205, a physical downlink control channel sent by the first access network device, where the physical downlink control channel carries scheduling information of downlink data of the terminal device, where the first access network device belongs to the access network device set, and the connection
  • the network access set includes at least one access network device, and the terminal device is capable of performing handover-free movement within a range covered by the at least one access network device;
  • the downlink data sent by the first access network device is received by the network interface 1205 according to the scheduling information.
  • the terminal device may be specifically the terminal device in the foregoing embodiment, and may be used to perform various steps and/or processes corresponding to the terminal device in the foregoing method embodiment.
  • the terminal device receives the physical downlink control channel sent by the first access network device in the access network device set, where the access network set includes at least one access network device. And the terminal device can perform the non-handover movement within the coverage of the at least one access network device, and the first access network device sends the downlink data to the terminal device, so that the terminal device avoids recovering the high-level signaling connection.
  • the downlink data is received in the state, thereby improving system efficiency and reducing power consumption of the terminal device.
  • FIG. 16 shows the structure of a network entity provided by an embodiment of the present application, including at least one processor 1302 (eg, a general purpose processor CPU with computing and processing capabilities, a digital signal processor (DSP), an application specific integrated circuit (ASIC). , off-the-shelf programmable gate array (FPGA), etc., the processor manages and schedules each module and device in the OBU device. Also included is at least one network interface 1305 or other communication interface, memory 1306, and at least one bus system 1303. The various components of the OBU are coupled together by a bus system 1303, which may include a data bus, a power bus, a control bus, a status signal bus, etc., but for clarity of description, various buses are labeled as a bus system in the figure. 1303.
  • processor 1302 eg, a general purpose processor CPU with computing and processing capabilities, a digital signal processor (DSP), an application specific integrated circuit (ASIC). , off-the-shelf programmable gate array (FPGA), etc.
  • the method disclosed in the above embodiments of the present application may be applied to the processor 1302 or used to execute an executable module, such as a computer program, stored in the memory 1306.
  • the memory 1306 may include a high speed random access memory (RAM: Random Access Memory), and may also include a non-volatile memory.
  • RAM Random Access Memory
  • the memory may include a read only memory and a random access memory, and provides the processor with Required signaling or data, programs, etc.
  • a portion of the memory may also include non-volatile line random access memory (NVRAM).
  • NVRAM non-volatile line random access memory
  • a communication connection with at least one other network element is achieved by at least one network interface 1305 (which may be wired or wireless).
  • the memory 1306 stores a program 13061
  • the processor 1302 executes the program 13061 for performing the following operations:
  • an access network device set where the access network device set includes at least one access network device, and the terminal device is capable of performing a handover-free movement within a range covered by the at least one access network device;
  • the downlink data is sent to the access network device in the set of access network devices through the network interface 1305, so that the access network device sends the downlink data to the terminal device.
  • the network entity may be specifically the network entity in the foregoing embodiment, and may be used to perform various steps and/or processes corresponding to the network entity in the foregoing method embodiment.
  • the network entity sends the access network device set including the at least one access network device, and sends the terminal device to the access network device in the access network device set.
  • Downlink data the access network device sends the downlink data to the terminal device, and the terminal device can perform the non-handover movement within the coverage of the at least one access network device, so that the terminal device avoids restoring the status of the high-level signaling connection.
  • Downstream data is received, which improves system efficiency and reduces power consumption of the terminal device.
  • the embodiment of the present application further provides a computer storage medium, which can store program instructions for indicating any of the above methods.
  • the storage medium may be specifically a memory 1106, 1206 or 1306.
  • the size of the sequence numbers of the above processes does not mean the order of execution, and the order of execution of each process should be determined by its function and internal logic, and should not be determined.
  • the implementation process of the embodiment of the present application constitutes any limitation.
  • the disclosed systems, devices, and methods may be implemented in other manners.
  • the device embodiments described above are merely illustrative.
  • the division of the unit is only a logical function division.
  • there may be another division manner for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored or not executed.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in an electrical, mechanical or other form.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.
  • each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the functions may be stored in a computer readable storage medium if implemented in the form of a software functional unit and sold or used as a standalone product.
  • the technical solution of the present application which is essential or contributes to the prior art, or a part of the technical solution, may be embodied in the form of a software product, which is stored in a storage medium, including
  • the instructions are used to cause a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of the methods described in various embodiments of the present application.
  • the foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk.

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Abstract

本申请实施例提供了一种数据传输的方法、接入网设备、终端设备和网络实体。该方法包括：第一接入网设备向终端设备发送物理下行控制信道，该物理下行控制信道携带该终端设备的下行数据的调度信息，该第一接入网设备为第一接入网设备集合中的任一接入网设备，该接入网集合包括至少一个接入网设备，且在该至少一个接入网设备覆盖的范围内该终端设备能够进行无切换的移动；该第一接入网设备向该终端设备发送该下行数据。本申请实施例，终端设备能够在不恢复高层信令连接的状态下接收到下行数据，从而提高了系统效率，减少了终端设备的功耗。

Description

数据传输的方法、接入网设备、终端设备和网络实体 技术领域
本申请实施例涉及通信领域，并且更具体地，涉及一种数据传输的方法、接入网设备、终端设备和网络实体。
背景技术
在通用移动通信系统(Universal Mobile Telecommunications System，UMTS)系统中，用户设备(user equipment，UE)有两种基本运行模式，一种是空闲模式，也就是通常说的待机状态；另一种是连接模式，在这种模式下，UE和演进的通用陆地无线接入网络(Terrestrial Radio Access Network，UTRAN)之间有无线资源控制(Radio Resource Control，RRC)连接。
在运行模式为空闲模式时，UE需要接收或者发送数据，则转移到建立高层信令连接的连接模式，才能传输数据，造成了系统效率较低，以及终端设备的功耗较大。
发明内容
本申请实施例提供了一种数据传输的方法，能够提高系统效率，以及减少终端设备的功耗。
第一方面，提供了一种数据传输的方法，包括：第一接入网设备向终端设备发送物理下行控制信道，该物理下行控制信道携带该终端设备的下行数据的调度信息，该第一接入网设备为接入网设备集合中的任一接入网设备，该接入网设备集合包括至少一个接入网设备，且在该至少一个接入网设备覆盖的范围内该终端设备能够进行无切换的移动；该第一接入网设备向该终端设备发送该下行数据。
接入网设备集合中的每个接入网设备向终端设备发送携带该终端设备下行数据的调度信息的物理下行控制信道，该接入网集合包括至少一个接入网设备，且在该至少一个接入网设备覆盖的范围内该终端设备能够进行无切换的移动，且第一接入网设备向该终端设备发送该下行数据，使得终端设备避免恢复高层信令连接的状态下接收到下行数据，从而提高了系统效率，减少了终端设备的功耗。
在一些可能的实现方式中，在该第一接入网设备向该终端设备发送该下行数据之前，该方法还包括：该第一接入网设备接收网络实体发送的该下行数据。
接入网设备集合包括至少一个接入网设备，该接入网设备集合可以通过一个逻辑实体(表示为网络实体)来管理。例如，网络实体可以知道该接入网设备集合有几个接入网设备；以及对终端上下文信息的配置、保存等；以及接入网设备与核心网设备之间用户承载的连接等。
在一些可能的实现方式中，该网络实体为核心网设备。
若网络实体为核心网设备当有下行数据需要发送时，网络侧(例如，服务器)可以将下行数据直接发送到核心网设备，由核心网设备转发到接入网设备集合中的每个接入网设备。若该核心网设备与该接入网设备不存在直接的连接，核心网可以先建立与该接入网设备的连接。
在一些可能的实现方式中，该网络实体为该接入网设备集合中的第二接入网设备。
第二接入网设备可以将下行数据发送给第一接入网设备集合中除该第二接入网设备的所有接入网设备，从而接入网设备集合中的接入网设备能够同时进行下行数据发送。或者，第二接入网设备向自己覆盖的网络发送下行数据，如果没有收到终端设备的反馈(例如，没有接收到终端设备发送的上行数据)，则第二接入网设备再将下行数据发送到其他的接入网设备。
在一些可能的实现方式中，该方法还包括：该第一接入网设备接收网络实体发送的资源配置信息，该资源配置信息用于该终端设备发送上行数据；该第一接入网设备向该终端设备发送该资源配置信息。
第一接入网设备接收网络实体发送的终端设备的上行数据的资源配置信息，并在将该资源配置信息发送给终端设备。终端设备根据该资源配置信息可以向第一接入网设备发送上行数据。这样终端设备不需要恢复高层信令的连接就可以发送上行数据，从而节省了终端设备的功耗。
在一些可能的实现方式中，该第一接入网设备向该终端设备发送该资源配置信息，包括：该第一接入网设备通过该下行数据或该物理下行控制信道向该终端设备发送该资源配置信息。
第一接入网设备接收网络实体发送的终端设备的上行数据的资源配置信息，并在向终端设备发送的下行数据中携带该资源配置信息。终端设备根 据该资源配置信息可以向第一接入网设备发送上行数据。或者该终端设备的上行数据的资源配置信息也可以携带在物理下行控制信道中，从而节省了终端设备的功耗。
在一些可能的实现方式中，该方法还包括：该第一接入网设备接收该终端设备发送的上行数据；该第一接入网设备向该第一接入网设备集合中的其他接入网设备发送第一指示信息，该第一指示信息用于指示停止向该终端设备发送下行数据。
终端设备接收到上行数据的资源配置信息后，向第一接入网设备发送上行数据。若第一接入网设备没有接收到终端设备的反馈，则表示终端设备不在该第一接入网设备覆盖的范围内。若第一接入网设备接收到终端设备发送的上行数据，可以判定终端设备当前在该第一接入网设备覆盖的范围内，该第一接入网设备可以向接入网设备集合中的其他接入网设备发送用于指示该第二接入网设备停止向终端设备发送该下行数据指示信息(表示为第一指示信息)，从而节省了系统功耗。
在一些可能的实现方式中，该方法还包括：该第一接入网设备接收该终端设备发送的上行数据；该第一接入网设备向网络实体发送第二指示信息，该第二指示信息用于指示网络实体只向该第一接入网设备发送后续下行数据，其中，发送至终端的下行数据来自或经过该网络实体。
第一接入网设备确定终端设备在自己覆盖的范围内时，可以向网络实体发送指示信息(表示为第二指示信息)，网络实体可以只向第一接入网设备发送下行数据，从而节省了系统功耗。
在一些可能的实现方式中，该资源配置信息包括该上行数据的专用资源和/或接入序列。
第一接入网设备可以在下行数据或物理下行控制信道中携带上行数据的专用资源；或者第一接入网设备可以在下行数据或者物理下行控制信道中携带上行数据的随机接入的特定接入序列。这样，终端设备不需要恢复高层信令的连接就可以发送上行数据，从而节省了终端设备的功耗。
在一些可能的实现方式中，在该第一接入网设备向终端设备发送物理下行控制信道之前，该方法还包括：该第一接入网设备确定该物理下行控制信道的特征信息；该第一接入网设备向该终端设备发送该特征信息，该特征信息用于指示该终端设备接收该物理下行控制信道。
在接入网设备集合中的每个接入网设备的物理下行控制信道的特性信息相同时，该特征信息可以是接入网设备在配置的，并发送给终端设备，该特征信息可以作为上下文信息在各网络节点间传递。
在一些可能的实现方式中，该特征信息是由该第一接入网设备与该终端设备存在高层信令连接时配置的。
该特征信息可以是接入网设备在与终端设备建立高层信令的连接或恢复到高层信令连接时配置的并发送给终端设备，该特征信息可以作为上下文信息在各网络节点间传递。
在一些可能的实现方式中，在该第一接入网设备向终端设备发送物理下行控制信道之前，该方法还包括：该第一接入网设备接收网络实体发送的该物理下行控制信道的特征信息；该第一接入网设备向该终端设备发送该特征信息，该特征信息用于指示该终端设备接收该物理下行控制信道。
第一接入网设备接收网络实体发送的物理下行控制信道的特征信息，并将该特征信息发送给终端设备，终端设备根据该特征信息接收该物理下行控制信道。
在一些可能的实现方式中，该特征信息是由该网络实体配置的。
网络实体为终端设备配置物理下行控制信道的特征信息，并发送给终端设备，终端设备根据该特征信息可以准确的接收该物理下行控制信道。
在一些可能的实现方式中，该第一接入网设备向该终端设备发送该特征信息包括：该第一接入网设备通过系统信息向该终端设备发送携带的该特征信息。
在接入网设备集合中的每个接入网设备的物理下行控制信道的特性信息不相同时，每个接入网设备可以在的系统信息中携带各自的特征信息，通过向终端设备发送系统信息实现发送接入网设备的特征信息，以使得终端设备能够接收到该物理下行控制信道。
在一些可能的实现方式中，该特征信息包括时域资源信息、频域资源信息、子载波间隔信息和/或子帧结构信息。
第一接入网设备通过预设的时域位置(即周期性的)发送物理下行控制信道，则终端设备需要根据非连接续收的方式接收该物理下行控制信道。第一接入网设备通过其他特征信息发送物理下行控制信道，终端设备需要根据对应的特征信息准确的接收该物理下行控制信道。
在一些可能的实现方式中，该调度信息为通过该终端设备对应的无线网络临时标识RNTI加扰的调度信息，该RNTI与该接入网设备集合中的其他接入网设备的物理下行控制信道携带的加扰调度信息的RNTI相同，且该RNTI是由该第一接入网设备与该终端设备存在高层信令连接时配置的，或者该RNTI是由网络实体预先配置并发送给该接入网设备集合中的每个接入网设备的；在该第一接入网设备向该终端设备发送该下行数据之前，该方法还包括：该第一接入网设备向该终端设备发送该RNTI，该RNTI用于该终端设备解调该调度信息。
接入网设备向终端设备发送RNTI，使得终端设备根据该RNTI对接收到的物理下行控制信道进行解调获知物理下行控制信道承载的调度信息。终端设备不需要恢复高层信令的连接状态下就可以接收下行数据，从而节省了终端设备的功耗。
在一些可能的实现方式中，该第一接入网设备向该终端设备发送该RNTI包括：该第一接入网设备向该终端设备发送系统信息，该系统信息携带该RNTI。
接入网设备集合中的每个接入网设备可以通过在系统信息中携带RNTI，向终端设备广播系统信息，实现向终端设备发送该RNTI。终端设备根据该RNTI解调获知物理下行控制信道承载的调度信息。终端设备不需要恢复高层信令的连接状态下就可以接收下行数据，从而节省了终端设备的功耗。
在一些可能的实现方式中，该下行数据为用户面数据或控制面数据。
控制面数据可以是无线资源控制消息，例如，寻呼(paging)消息等。
第二方面，提供了一种数据传输的方法，包括：终端设备接收第一接入网设备发送的该物理下行控制信道，该物理下行控制信道携带该终端设备的下行数据的调度信息，该第一接入网设备属于该接入网设备集合，该接入网集合包括至少一个接入网设备，且该终端设备在该至少一个接入网设备覆盖的范围内能够进行无切换的移动；该终端设备根据该调度信息，接收该第一接入网设备发送的该下行数据。
终端设备可以接收到接入网设备集合中的第一接入网设备发送的物理下行控制信道，该接入网集合包括至少一个接入网设备，且该终端设备在该至少一个接入网设备覆盖的范围内能够进行无切换的移动，且第一接入网设 备向该终端设备发送该下行数据，使得终端设备避免恢复高层信令连接的状态下接收到下行数据，从而提高了系统效率，减少了终端设备的功耗。
在一些可能的实现方式中，该方法还包括：该终端设备接收该第一接入网设备发送的该资源配置信息，该资源配置信息用于该终端设备发送上行数据；该终端设备根据该资源配置信息，向该第一接入网设备发送该上行数据。
终端设备接收第一接入网设备发送的上行数据的资源配置信息，并根据该资源配置信息可以向第一接入网设备发送上行数据。这样终端设备不需要恢复高层信令的连接就可以发送上行数据，从而节省了终端设备的功耗。
在一些可能的实现方式中，该终端设备接收该第一接入网设备发送的该资源配置信息包括：该终端设备接收通过该下行数据或该物理下行控制信道携带的该资源配置信息。
终端设备可以通过接收该下行数据或该物理下行控制信道，实现接收该资源配置信息。也就是说，该资源配置信息可以携带在下行数据或物理下行控制信道中。这样终端设备不需要单独发送资源配置信息，以及不需要恢复高层信令的连接就可以发送上行数据，从而更进一步节省了终端设备的功耗。
在一些可能的实现方式中，该资源配置信息包括该上行数据的专用资源和/或接入序列。
终端设备可以接收到第一接入网设备在下行数据或物理下行控制信道中携带上行数据的专用资源；或者第一接入网设备在下行数据或者物理下行控制信道中携带上行数据的上行数据随机接入的特定接入序列。这样终端设备不需要恢复高层信令的连接就可以发送上行数据，从而节省了终端设备的功耗。
在一些可能的实现方式中，在接收该第一接入网设备发送的该下行数据之前，该方法还包括：该终端设备接收该第一接入网设备发送的无线网络临时标识RNTI；该终端设备根据该RNTI，解调该调度信息。
终端设备接收接入网设备发送的RNTI，根据该RNTI对接收到的物理下行控制信道进行解调获知物理下行控制信道承载的调度信息。终端设备不需要恢复高层信令的连接状态下就可以接收下行数据，从而节省了终端设备的功耗。
在一些可能的实现方式中，该终端设备接收该第一接入网设备发送的 RNTI包括：该终端设备接收该第一接入网设备发送的系统信息，该系统信息携带该RNTI。
终端设备可以在系统信息中接收到RNTI，并根据该RNTI解调获知物理下行控制信道承载的调度信息。终端设备不需要恢复高层信令的连接状态下就可以接收下行数据，从而节省了终端设备的功耗。
在一些可能的实现方式中，该方法还包括：该终端设备接收该第一接入网设备的特征信息；其中，该终端设备接收第一接入网设备发送的物理下行控制信道包括：该终端设备根据该特征信息，接收该第一接入网设备发送的物理下行控制信道。
终端设备接收第一接入网设备发送的物理下行控制信道的特征信息，根据该特征信息能够准确的接收该物理下行控制信道，从而提高了系统效率。
在一些可能的实现方式中，该终端设备接收该第一接入网设备的特征信息包括：该终端设备接收该第一接入网设备发送的系统信息，该系统信息携带该第一接入网设备的特征信息。
终端设备接收到第一接入网设备发送的系统信息，该系统信息携带该第一接入网设备的特征信息，从而终端设备根据该特征信息能够准确的接收到该物理下行控制信道。
在一些可能的实现方式中，该特征信息包括时域资源信息、频域资源信息、子载波间隔信息和/或子帧结构信息。
第一接入网设备通过预设的时域位置(即周期性的)发送物理下行控制信道，则终端设备需要根据非连接续收的方式接收该物理下行控制信道。第一接入网设备通过其他特征信息发送物理下行控制信道，终端设备根据接收到的对应特征信息准确的接收该物理下行控制信道。
在一些可能的实现方式中，该下行数据为用户面数据或控制面数据。
控制面数据可以是无线资源控制消息，例如，寻呼(paging)消息等。
第三方面，提供了一种数据传输的方法，包括：网络实体确定接入网设备集合；该网络实体向接入网设备集合中的接入网设备发送下行数据，该接入网设备集合包括至少一个接入网设备，且在该至少一个接入网设备覆盖的范围内该终端设备能够进行无切换的移动。
接入网设备集合包括至少一个接入网设备，该接入网设备集合可以通过一个逻辑实体(表示为网络实体)来管理。例如，网络实体可以知道该接入 网设备集合有几个接入网设备；以及对终端上下文信息的配置、保存等；以及接入网设备与核心网设备之间用户承载的连接等。网络侧可以将下行数据发送到网络实体，由网络实体转发到接入网设备集合中的每个接入网设备。接入网设备集合中的每个接入网设备向终端设备发送该下行数据，使得终端设备避免恢复高层信令连接的状态下接收到下行数据，从而提高了系统效率，减少了终端设备的功耗。
在一些可能的实现方式中，该网络实体为核心网设备；其中，该网络实体向该接入网设备集合中的接入网设备发送该下行数据包括：该核心网设备向该至少一个接入网设备中的每个接入网设备发送该下行数据。
若网络实体为核心网设备当有下行数据需要发送时，网络侧(例如，服务器)可以将下行数据直接发送到核心网设备，由核心网设备转发到接入网设备集合中的每个接入网设备。若该核心网设备与该接入网设备不存在直接的连接，核心网可以先建立与该接入网设备的连接，再通过接入网设备集合中的每个接入网设备发送给终端设备，使得终端设备避免恢复高层信令连接的状态下接收到下行数据，从而提高了系统效率，减少了终端设备的功耗。
在一些可能的实现方式中，该网络实体为该接入网设备集合中的第二接入网设备；其中，该网络实体向接入网设备集合中的接入网设备发送该下行数据包括：该第二接入网设备向该接入网设备集合中除该第二接入网设备之外的所有接入网设备发送该下行数据。
第二接入网设备可以将下行数据发送给第一接入网设备集合中除该第二接入网设备的所有接入网设备，从而接入网设备集合中的其他接入网设备能够同时向终端设备发送下行数据，使得终端设备避免恢复高层信令连接的状态下接收到下行数据，从而提高了系统效率，减少了终端设备的功耗。
在一些可能的实现方式中，该方法还包括：该第二接入网设备向该终端设备发送该下行数据。
第二接入网设备也可以向自己覆盖的网络发送下行数据，也就是说，接入网设备集合中的所有接入网设备能够同时向终端设备发送下行数据，使得终终端设备避免恢复高层信令连接的状态下接收到下行数据，从而提高了系统效率，减少了终端设备的功耗。
在一些可能的实现方式中，该方法还包括：该网络实体接收该接入网设备集合中的第一接入网设备发送的指示信息，该指示信息用于指示网络实体 只向该第二接入网设备发送后续下行数据；该网络实体只向该第一接入网设备发送后续下行数据。
网络实体可以接收到第一接入网设备在确定终端设备属于自己时发送的指示信息，网络实体可以只向第一接入网设备发送下行数据，从而节省了系统功耗。
在一些可能的实现方式中，该方法还包括：该网络实体通过该接入网设备集合中的接入网设备向该终端设备发送资源配置信息，该资源配置信息用于该终端设备发送上行数据。
网络实体可以通过接入网设备集合中的接入网设备向终端设备发送的上行数据的资源配置信息，使得终端设备根据该资源配置信息可以向接入网设备发送上行数据，从而使得终端设备在不恢复高层连接的状态下，能够发送上下数据，从而节省了终端设备的功耗。
在一些可能的实现方式中，该资源配置信息包括该上行数据的专用资源和/或接入序列。
在一些可能的实现方式中，该方法还包括：该网络实体通过该接入网设备集合中的接入网设备向该终端设备发送该物理下行控制信道的特征信息，该特征信息用于指示该终端设备接收该物理下行控制信道。
网络实体可以为物理下行控制信道配置特征信息，并通过接入网设备集合中的接入网设备发送给终端设备，该特征信息可以作为上下文信息在各网络节点间传递。
在一些可能的实现方式中，该特征信息包括时域资源信息、频域资源信息、子载波间隔信息和/或子帧结构信息。
在一些可能的实现方式中，该下行数据为用户面数据或控制面数据。
控制面数据可以是无线资源控制消息，例如，寻呼(paging)消息等。
第四方面，提供了一种接入网设备，该网络设备包括执行该第一方面中的方法或第一方面的任一种可能的实现方式的各模块。
第五方面，提供了一种终端设备，该终端设备包括执行该第二方面中的方法或第二方面的任一种可能的实现方式的各模块。
第六方面，提供了一种网络实体，该网络实体包括执行该第三方面中的方法或第三方面的任一种可能的实现方式的各模块。
第七方面，提供了一种数据传输的系统，包括：上述第四方面的接入网 设备、上述第五方面的终端设备和上述第六方面的网络实体。
第八方面，提供了一种接入网设备，包括：处理器和存储器；
所述存储器存储了程序，所述处理器执行所述程序，用于执行上述第一方面或第一方面任一种可能的实现方式所述的数据传输的方法。
第九方面，提供了一种终端设备，包括：处理器和存储器；
所述存储器存储了程序，所述处理器执行所述程序，用于执行上述第二方面或第二方面任一种可能的实现方式所述的数据传输的方法。
第十方面，提供了一种网络实体，包括：处理器和存储器；
所述存储器存储了程序，所述处理器执行所述程序，用于执行上述第三方面或第三方面任一种可能的实现方式所述的数据传输的方法。
第十一方面，提供了一种计算机存储介质，该计算机存储介质中存储有程序代码，该程序代码用于指示执行上述第一方面或第一方面的任一种可能的实现方式中的数据传输的方法。
第十二方面，提供了一种计算机存储介质，该计算机存储介质中存储有程序代码，该程序代码用于指示执行上述第二方面或第二方面的任一种可能的实现方式中的数据传输的方法。
第十三方面，提供了一种计算机存储介质，该计算机存储介质中存储有程序代码，该程序代码用于指示执行上述第三方面或第三方面的任一种可能的实现方式中的数据传输的方法。
基于上述技术方案，本申请实施例的数据传输的方法，接入网设备集合中的每个接入网设备向终端设备发送携带该终端设备的下行数据的调度信息的物理下行控制信道，该接入网集合包括至少一个接入网设备，在该至少一个接入网设备覆盖的范围内该终端设备能够进行无切换的移动，且每个接入网设备向该终端设备发送该下行数据，使得终端设备避免恢复高层信令连接的状态下接收到下行数据，从而提高了系统效率，减少了终端设备的功耗。
附图说明
为了更清楚地说明本申请实施例的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅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性的前提下，还可以根据这些附图获得其他的附图。
图1是根据本申请实施例的应用场景图；
图2是本申请实施例的应用场景的通信方法的示意性流程图；
图3是本申请一个实施例的数据传输的方法的示意图；
图4是本申请又一个实施例的数据传输的方法的示意图；
图5是本申请又一个实施例的数据传输的方法的示意图；
图6是本申请又一个实施例的数据传输的方法的示意图；
图7是本申请又一个实施例的数据传输的方法的示意图；
图8本申请又一个实施例的数据传输的方法的示意图；
图9是本申请又一个实施例的数据传输的方法的示意性流程图；
图10是本申请一个实施例的接入网设备的示意性框图；
图11是本申请一个实施例的终端设备的示意性框图；
图12是本申请一个实施例的网络实体的示意性框图；
图13是本申请实施例的系统的示意性框图；
图14是本申请一个实施例的接入网设备的结构示意图；
图15是本申请一个实施例的终端设备的结构示意图；
图16是本申请一个实施例的网络实体的结构示意图。
具体实施方式
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，所描述的实施例是本申请一部分实施例，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作出创造性劳动的前提下所获得的所有其他实施例，都属于本申请保护的范围。
本申请结合终端设备和接入网设备各个实施例。终端设备也可以称为接入终端、用户设备、用户单元、用户站、移动站、移动台、远方站、远程终端、移动设备、用户终端、终端、无线通信设备、用户代理或用户装置。接入终端可以是蜂窝电话、无绳电话、SIP(Session Initiation Protocol，会话启动协议)电话、WLL(Wireless Local Loop，无线本地环路)站、PDA(Personal Digital Assistant，个人数字处理)、具有无线通信功能的手持设备、计算设备或连接到无线调制解调器的其它处理设备、车载设备、可穿戴设备以及未来5G网络中的终端设备。
接入网设备可用于与移动设备通信，接入网设备可以是全球移动通讯 (Global System of Mobile communication，GSM)或码分多址(Code Division Multiple Access，CDMA)中的基站(Base Transceiver Station，BTS)，也可以是宽带码分多址(Wideband Code Division Multiple Access，WCDMA)中的基站(NodeB，NB)，还可以是长期演进(Long Term Evolution，LTE)中的演进型基站(Evolutional Node B，eNB或eNodeB)，或者中继站或接入点，或者车载设备、可穿戴设备以及未来5G网络中的接入网设备。
核心网设备可以是移动性管理实体(Mobility Management Entity，MME)，还可以是服务网关(Serving Gateway，S-GW)或分组数据网关(PDN Gateway，P-GW)，本申请并不限定。
为了方便理解本申请实施例，首先在此介绍本申请实施例之前引入以下的几个要素。
空闲模式只有一个空闲(Idle)状态。在Idle状态下，UE的所有连接在接入层都是关闭的。UTRAN中没有为处于空闲模式下的UE建立上下文，如果要寻址一个特定的UE，只能在一个小区内向所有UE或向监听同一寻呼时段的多个UE发送寻呼消息。
连接模式共有四种状态：CELL-PCH(小区寻呼信道状态)、URA-PCH(UTRAN注册区域寻呼信道状态)、CELL-FACH(小区前向接入信道状态)和CELL-DCH(小区专用信道状态)。其中，CELL-DCH为高层信令连接的连接模式，也可以称为“激活状态”。
图1是本申请一个应用场景的示意图。在图1中，当终端设备驻留在接入网设备(Access Network，AN)2的小区2中，当终端设备发起业务连接请求时，AN2与核心网设备(CN)建立连接。AN2同时将配置的上下文信息传递给CN，CN根据保存的终端设备的接入历史信息确定接入网设备集合，若获知AN3属于接入网设备集合，则CN与AN3建立网络连接，并向AN3发送终端设备的上下文信息，AN3根据该上下文信息与网络进行通信。这样，终端设备能够在AN3覆盖的小区与AN2覆盖的小区之间进行无缝移动。也就是说，终端设备在接入网集合内的接入网设备覆盖的范围内移动时，不需要进行接入网设备的切换，即不会通知网络。
图2是本申请应用场景中通信方法的交互流程图。
110，终端设备获取该终端设备的接入历史信息或签约信息；
120，终端设备向核心网设备发送该接入历史信息或该签约信息。
终端设备可以直接向核心网设备发送该接入历史信息，例如，终端设备在向核心网设备发送非接入层(Non-Access Stratum，NAS)信令请求消息时，在该信令请求消息中携带该接入历史信息；或者终端设备也可以通过终端设备当前接入的接入网设备的转发，向核心网设备发送该接入历史信息。
130，核心网设备根据该接入历史信息或该签约信息，确定接入网设备集合。
核心网设备接收签约信息或接入历史信息，并根据签约信息或接入历史信息确定终端设备经常驻留的至少一个接入网设备，并将该至少一个接入网设备确定为虚拟的接入网设备集合。
核心网设备可以根据该接入历史信息包括的信息类型(接入网设备的标识ID以及时长信息和/或业务类型信息)的不同，确定出不同的接入网设备集合。
140，核心网设备向该至少一个接入网设备中的每个接入网设备发送网络连接请求消息。
核心网设备确定出终端设备接入网设备集合(即至少一个接入网设备)，并向该至少一个接入网设备中的每个接入网设备发送网络连接请求消息。该网络连接请求消息中携带有终端设备的上下文信息，该上下文信息是在终端设备发起业务连接时，当前接入的接入网设备为该终端设备配置生成的，并发送给核心网。接入网设备集合中的每个接入网设备都可以接收到该上下文信息，并进行存储。
150，接入网设备根据该网络连接请求消息，建立该终端设备的网络连接。
该至少一个接入网设备中的每个接入网设备接收到网络连接请求消息，并根据该网络连接请求消息，建立该终端设备的网络连接。或者，核心网设备可以直接建立与接入网设备集合中的每个接入网设备的网络连接，本申请对此不进行限定。这样，接入网设备集合中的每个接入网设备提前建立好终端设备的网络连接，使得终端设备能够在该至少一个接入网设备覆盖的范围内进行无缝移动，从而节省了通信时延。
当终端设备移动后，接入到第一接入网设备(即接入网设备集合中的任意一个接入网设备)时，终端设备都可以通过该第一接入网设备存储的上下文信息与接入网进行通信。从而，使得终端设备能够在该至少一个接入网设 备覆盖的范围内进行无缝移动，从而节省了通信时延。
因此，终端设备向核心网设备发送该终端设备的接入历史信息或签约信息，以使核心网设备根据该接入历史信息或签约信息确定包括至少一个接入网设备的接入网设备集合，并向该接入网设备集合中的每个接入网设备发送网络连接请求消息，该接入网设备集合中的每个接入网设备根据该网络连接请求消息建立终端设备的网络连接，这样，接入网设备集合中的每个接入网设备提前建立好终端设备的网络连接，使得终端设备能够在该至少一个接入网设备覆盖的范围内进行无缝移动，从而节省了通信时延。
应理解，本申请实施例中，可以将终端设备能够在该至少一个接入网设备集合中的所有接入网设备覆盖的范围内进行无接入网设备切换的状态称为“非激活态”。也就是说，终端设备的RRC连接和承载在该接入网设备集合中的所有接入网设备覆盖的范围内都是保留，终端设备在接入层的行为不会通知接入网设备。
还应理解，本申请实施例对该非激活态的名称不进行限定。例如，当接入网设备集合只有一个接入网设备时，也可以称为“空闲态”。
现有技术中，终端设备需要从非激活状态转换为有高层信令连接的激活状态，才能传输数据，造成了系统效率较低，以及终端设备的功耗较大。
以上已结合图1和图2对本申请应用场景进行详细说明，以下将对可以应用于该系统的数据传输的方法、接入网设备、终端设备和网络实体进行详细说明。
图3是本申请一个实施例的数据传输的方法200的示意图。该方法200的执行主体可以为接入网设备。该方法200包括：
S210，第一接入网设备向终端设备发送物理下行控制信道，该物理下行控制信道携带该终端设备的下行数据的调度信息，该第一接入网设备为接入网设备集合中的任一接入网设备，该接入网设备集合包括至少一个接入网设备，且在该至少一个接入网设备覆盖的范围内该终端设备能够进行无切换的移动；
S220，该第一接入网设备向该终端设备发送该下行数据。
接入网设备集合中的每个接入网设备向终端设备发送携带该终端设备下行数据的调度信息的物理下行控制信道，该接入网集合包括至少一个接入网设备，且在该至少一个接入网设备覆盖的范围内该终端设备能够进行无切 换的移动，且第一接入网设备向该终端设备发送该下行数据，使得终端设备避免恢复高层信令连接的状态下接收到下行数据，从而提高了系统效率，减少了终端设备的功耗。
接入网设备集合中的每个接入网设备都向终端设备发送物理下行控制信道，只有一个接入网设备能够成功发送到终端设备。也就是说，终端设备只能接收到终端设备所属的第一接入网设备发送的物理下行控制信道。第一接入网设备向终端设备发送物理下行控制信道(Physical Downlink Control Channel，PDCCH)，该物理下行控制信道携带该终端设备的下行数据的调度信息。
应注意，第一接入网设备为接入网设备集合中的任意一个接入网设备，该接入网设备集合包括至少一个接入网设备。终端设备能够在该接入网设备集合中的所有接入网设备覆盖的范围内自由移动，且不需要进行接入网设备的切换。
可选地，在该第一接入网设备向该终端设备发送该下行数据之前，该方法还包括：该第一接入网设备接收网络实体发送的该下行数据。
接入网设备集合包括至少一个接入网设备，该接入网设备集合可以通过一个逻辑实体(表示为网络实体)来管理。例如，网络实体可以知道该接入网设备集合有几个接入网设备；以及对终端上下文信息的配置、保存等；以及接入网设备与核心网设备之间用户承载的连接等。
需要说明的是，该网络实体可以是该接入网设备集合中的某一个接入网设备，或者是核心网设备，或者是在接入网设备集合之外的其他网络实体等，本申请对此不进行限定。为描述方便，本申请实施例以该网络实体为独立的装置为例进行说明，但本申请并不限于此。
当有下行数据需要发送时，网络侧(例如，服务器)可以将下行数据发送到网络实体，由网络实体转发到接入网设备集合中的每个接入网设备。如图4所示，网络实体为独立的装置，负责接入网设备集合的管理。当有下行数据需要发送时，核心网设备首先与网络实体进行通信，建立核心网设备与接入网设备之间的用户面承载，并将用户面承载的建立信息和终端设备的上下文信息传递给接入网设备。
可选地，该网络实体为核心网设备。
若网络实体为核心网设备，则如图5所示，当有下行数据需要发送时， 网络侧(例如，服务器)可以将下行数据直接发送到核心网设备，由核心网设备转发到接入网设备集合中的每个接入网设备。若该核心网设备与该接入网设备不存在直接的连接，核心网可以先建立与该接入网设备的连接。例如，核心网设备与网络实体进行通信，并建立接入网设备和核心网设备之间的用户面承载建立，并将用户承载的建立信息和终端设备的上下文信息发送给接入网设备。从而，核心网设备将下行数据通过网络实体发送到终端设备。
应理解，核心网设备也可以直接将下行数据发送到接入网设备集合中的每个接入网设备，这时网络实体只具有控制管理的功能。
可选地，该第一接入网设备还可以是网络实体当前连接的接入网设备。这样网络实体可以只向第一接入网设备发送下行数据，并发送给终端设备。若该第一接入网设备没有收到终端设备的反馈，则第一接入网设备向核心网设备发送指示数据传输失败的信息，并将下行数据发送给接入网集合中的其他接入网设备。若该第一接入网设备收到终端设备发送的下行数据，则网络实体不需要向接入网设备集合中的其他接入网设备发送下行数据，从而，节省了网络资源。
可选地，若网络实体为接入网设备，则如图6所示，当有下行数据需要发送时，网络侧(例如，服务器)可以将下行数据发送到核心网设备，由核心网设备转发到该第一接入网设备集合中除该第一接入网设备的任一接入网设备(表示为第二接入网设备)。
具体而言，第二接入网设备可以将下行数据发送给第一接入网设备集合中除该第二接入网设备的所有接入网设备，从而第一接入网设备集合中的接入网设备能够同时进行数据发送。或者，第二接入网设备向自己覆盖的网络发送下行数据，如果没有收到终端设备的反馈(例如，没有接收到终端设备发送的上行数据)，则第二接入网设备再将下行数据发送到其他的接入网设备。相应地，第二接入网设备可以将下行数据发送给剩下的所有接入网设备，接入网设备同时发送下行数据；或者还可以只发送到一个接入网设备中，逐一寻找终端设备。
应理解，上述在进行下行数据的传输时，可以在下行数据中携带终端设备的上下文信息，本申请对此不进行限定。
还应理解，该第二接入网设备可以与第一接入网设备为同一个接入网设备，这样下行数据可以从核心网设备直接发送到第一接入网设备并传输给终 端设备。
可选地，在本申请一个实施例中，在该第一接入网设备向终端设备发送物理下行控制信道之前，该方法还包括：该第一接入网设备确定该物理下行控制信道的特征信息；该第一接入网设备向该终端设备发送该特征信息，该特征信息用于指示该终端设备接收该物理下行控制信道。
物理下行控制信道可以有不同的特征，可选地，物理下行控制信道的特征信息可以包括时域资源信息、频域资源信息、子载波间隔信息和/或子帧结构信息等。
例如，第一接入网设备通过预设的时域位置(即周期性的)发送物理下行控制信道，则终端设备需要根据非连接续收(Discontinuous，DRX)的方式接收该物理下行控制信道。
可选地，该特征信息是由该第一接入网设备与该终端设备存在高层信令连接时配置的。
具体而言，接入网设备集合中的每个接入网设备可以采用相同的特征信息(即该接入网设备集合中的每个接入网设备的特征信息是统一的)，并发送给终端设备。该特征信息可以是接入网设备上一次与终端设备建立高层信令连接(即终端设备处于激活态)或者恢复高层信令连接时为终端设备配置的物理下行控制信道的特征信息，或者还可以是其他的方式确定该特征信息，本申请对此不进行限定。此外，特征信息可以作为终端设备的上下文信息在网络节点之间传递。
可选地，在本申请一个实施例中，在该第一接入网设备向终端设备发送物理下行控制信道之前，该方法还包括：该第一接入网设备接收网络实体发送的该物理下行控制信道的特征信息，该特征信息是由该网络实体配置的；该第一接入网设备向该终端设备发送该特征信息，该特征信息用于指示该终端设备接收该物理下行控制信道。
具体而言，接入网设备集合中的每个接入网设备可以采用相同的特征信息(即该接入网设备集合中的特征信息是统一的)，并发送给终端设备。该特征信息可以是网络实体分配的，并预先配置传递到接入网设备集合中的每个接入网设备，再发送给终端设备。
可选地，在本申请一个实施例中，该第一接入网设备向该终端设备发送该特征信息包括：该第一接入网设备通过系统信息向该终端设备发送携带的 该特征信息。
在接入网设备集合中的每个接入网设备的物理下行控制信道的特性信息不相同时，每个接入网设备可以在的系统信息中携带各自的特征信息，通过向终端设备发送系统信息实现发送接入网设备的特征信息，以使得终端设备能够接收到该物理下行控制信道。
可选地，在本申请一个实施例中，该调度信息为通过该终端设备对应的无线网络临时标识(Radio Network Temporary Identity，RNTI)加扰的调度信息，该RNTI与该接入网设备集合中的其他接入网设备的物理下行控制信道携带的加扰调度信息的RNTI相同，且该RNTI是由该第一接入网设备与该终端设备存在高层信令连接时配置的，或者该RNTI是由网络实体预先配置并发送给该接入网设备集合中的每个接入网设备的；在该第一接入网设备向该终端设备发送该下行数据之前，该方法还包括：该第一接入网设备向该终端设备发送该RNTI，该RNTI用于该终端设备解调该调度信息。
具体而言，终端设备接收物理下行控制信道，该物理下行控制信道携带终端设备的下行数据的调度信息，终端设备根据该调度信息接收下行数据。具体地，终端设备接收接入网设备发送的RNTI，根据该RNTI对接收到的物理下行控制信道进行解调获知物理下行控制信道承载的调度信息。接入网设备集合中的每个接入网设备可以采用相同的RNTI对调度信息进行加扰(即该接入网设备集合中的RNTI是统一的)，并发送给终端设备。该RNTI可以是接入网设备上一次与终端设备建立高层信令连接(即终端设备处于激活态)或者恢复高层信令连接时配置的该RNTI，本申请对此不进行限定。此外，RNTI可以作为终端设备的上下文信息在网络节点之间传递。
接入网设备集合中的每个接入网设备可以采用相同的RNTI对调度信息进行加扰(即该接入网设备集合中的RNTI是统一的)，并发送给终端设备。该RNTI可以是网络实体分配的，并预先配置接入网设备集合中的接入网设备，再发送给终端设备。
可选地，下行数据可以为用户面数据或控制面数据。具体地，控制面数据可以是RRC消息，例如，寻呼(paging)消息等。
可选地，在本申请一个实施例中，该调度信息为通过RNTI加扰的调度信息；该方法还包括：该第一接入网设备向该终端设备发送系统信息，该系统信息携带该RNTI，该RNTI用于该终端设备解调该调度信息。
具体而言，该RNTI可以是由网络特定的，接入网设备集合中的每个接入网设备可以通过在系统信息中携带RNTI，向终端设备广播系统信息，实现向终端设备发送该RNTI。例如，该系统信息为Paging信息。
可选地，该方法还包括：该第一接入网设备接收网络实体发送的资源配置信息，该资源配置信息用于该终端设备发送上行数据；该第一接入网设备向该终端设备发送该资源配置信息。
第一接入网设备接收网络实体发送的终端设备的上行数据的资源配置信息，并在将该资源配置信息发送给终端设备。终端设备根据该资源配置信息可以向第一接入网设备发送上行数据。这样终端设备不需要恢复高层信令的连接就可以发送上行数据，从而节省了终端设备的功耗。
可选地，该第一接入网设备向该终端设备发送该资源配置信息，包括：该第一接入网设备通过该下行数据或该物理下行控制信道向该终端设备发送该资源配置信息。
具体而言，第一接入网设备接收网络实体发送的终端设备的上行数据的资源配置信息，并在向终端设备发送的下行数据中携带该资源配置信息。终端设备根据该资源配置信息可以向第一接入网设备发送上行数据。或者该终端设备的上行数据的资源配置信息也可以携带在物理下行控制信道中，节省了终端设备的功耗。
应理解，该资源配置信息可以是由网络实体分配的，并发送给第一接入网设备；或者该资源配置信息也可以是接入网设备集合中终端设备当前接入的接入网设备分配的，并发送给网络实体，网络实体保存此配置，当有需要时，网络实体可以向接入网设备集合中的其他接入网设备发送该资源配置信息。
可选地，在本申请一个实施例中，该资源配置信息包括该上行数据的专用资源和/或接入序列。
第一接入网设备可以在下行数据或物理下行控制信道中携带上行数据的专用资源；或者第一接入网设备可以在下行数据或者物理下行控制信道中携带上行数据的上行数据随机接入的特定接入序列。这样，终端设备不需要恢复高层信令的连接就可以发送上行数据，从而节省了终端设备的功耗。
可选地，该方法还包括：该第一接入网设备接收该终端设备发送的上行数据；该第一接入网设备向该第一接入网设备集合中的其他接入网设备发送 第一指示信息，该第一指示信息用于指示停止向该终端设备发送下行数据。
终端设备接收到上行数据的资源配置信息后，向第一接入网设备发送上行数据。若第一接入网设备没有接收到终端设备的反馈，则表示终端设备不在该第一接入网设备覆盖的范围内。若第一接入网设备接收到终端设备发送的上行数据，可以判定终端设备当前在该第一接入网设备覆盖的范围内，该接入网设备可以向接入网设备集合中的其他接入网设备发送用于指示该第二接入网设备停止向终端设备发送该下行数据指示信息(表示为第一指示信息)，从而节省了系统功耗。
可选地，在本申请一个实施例中，该方法还包括：该第一接入网设备接收该终端设备发送的上行数据；该第一接入网设备向网络实体发送第二指示信息，该第二指示信息用于指示网络实体只向该第一接入网设备发送后续下行数据，其中，发送至终端的下行数据来自或经过该网络实体。
第一接入网设备确定终端设备在自己覆盖的范围内时，可以向网络实体发送指示信息(表示为第二指示信息)，网络实体可以只向第一接入网设备发送下行数据，从而节省了系统功耗。
因此，本申请实施例的数据传输的方法，接入网设备集合中的第一接入网设备向终端设备发送携带该终端设备下行数据的调度信息的物理下行控制信道，该接入网集合包括至少一个接入网设备，在该至少一个接入网设备覆盖的范围内该终端设备能够进行无切换的移动，且第一接入网设备向该终端设备发送该下行数据，使得终端设备避免恢复高层信令连接的状态下接收到下行数据，从而提高了系统效率，减少了终端设备的功耗。
应理解，在本申请的各种实施例中，上述各过程的序号的大小并不意味着执行顺序的先后，各过程的执行顺序应以其功能和内在逻辑确定，而不应对本申请实施例的实施过程构成任何限定。
图7是本申请一个实施例的数据传输的方法300的示意图。该方法300的执行主体可以为终端设备。该方法300包括：
S310，终端设备接收第一接入网设备发送的物理下行控制信道，该物理下行控制信道携带该终端设备的下行数据的调度信息，该第一接入网设备属于该接入网设备集合，该接入网集合包括至少一个接入网设备，且该终端设备在该至少一个接入网设备覆盖的范围内能够进行无切换的移动；
S320，该终端设备根据该调度信息，接收该第一接入网设备发送的该下 行数据。
具体而言，终端设备想要接收下行数据，可以通过监听物理下行控制信道，该物理下行控制信道携带调度信息。即UE首先需要解调PDCCH的调度信息，以确定哪些PDCCH是自己需要接收的，然后根据解调出的调度信息(即资源配置等)接收属于自己的下行数据。因此，第一接入网设备向终端设备发送携带调度信息的物理下行控制信道，而第一接入网设备为接入网设备集合中的任一个接入网设备。也就是说，接入网设备集合中的每个接入网设备都向终端设备发送携带调度信息的物理下行控制信道。只有一个接入网设备能够成功发送到终端设备。也就是说，终端设备只能接收到终端设备所属的接入网设备(表示为第一接入网设备)发送的物理下行控制信道。
应注意，第一接入网设备为接入网设备集合中的任意一个接入网设备，该接入网设备集合包括至少一个接入网设备。终端设备能够在该接入网设备集合中的所有接入网设备覆盖的范围内自由移动，且不需要进行接入网设备的切换。
可选地，在本申请一个实施例中，该方法300还包括：该终端设备接收该第一接入网设备发送的该资源配置信息，该资源配置信息用于该终端设备发送上行数据；该终端设备根据该资源配置信息，向该第一接入网设备发送该上行数据。
具体而言，终端设备接收第一接入网设备发送的上行数据的资源配置信息，并根据该资源配置信息可以向第一接入网设备发送上行数据。这样终端设备不需要恢复高层信令的连接就可以发送上行数据，从而节省了终端设备的功耗。
可选地，在本申请一个实施例中，该终端设备接收该第一接入网设备发送的该资源配置信息包括：该终端设备接收通过该下行数据或该物理下行控制信道携带的该资源配置信息。
具体而言，终端设备可以通过接收该下行数据或该物理下行控制信道，实现接收该资源配置信息。也就是说，该资源配置信息可以携带在下行数据或物理下行控制信道中。这样终端设备不需要单独发送资源配置信息，以及不需要恢复高层信令的连接就可以发送上行数据，从而更进一步节省了终端设备的功耗。
可选地，在本申请一个实施例中，该资源配置信息包括该上行数据的专 用资源和/或接入序列。
具体而言，终端设备可以接收到第一接入网设备在下行数据或物理下行控制信道中携带上行数据的专用资源；或者第一接入网设备在下行数据或者物理下行控制信道中携带上行数据的上行数据随机接入的特定接入序列。这样终端设备不需要恢复高层信令的连接就可以发送上行数据，从而节省了终端设备的功耗。
可选地，在本申请一个实施例中，在接收该第一接入网设备发送的该下行数据之前，该方法300还包括：该终端设备接收该第一接入网设备发送的无线网络临时标识RNTI；该终端设备根据该RNTI，解调该调度信息。
具体而言，终端设备接收接入网设备发送的RNTI，根据该RNTI对接收到的物理下行控制信道进行解调获知物理下行控制信道承载的调度信息。终端设备不需要恢复高层信令的连接状态下就可以接收下行数据，从而节省了终端设备的功耗。
可选地，在本申请一个实施例中，该终端设备接收该第一接入网设备发送的RNTI包括：该终端设备接收该第一接入网设备发送的系统信息，该系统信息携带该RNTI。
具体而言，终端设备可以在系统信息中接收到RNTI，并根据该RNTI解调获知物理下行控制信道承载的调度信息。终端设备不需要恢复高层信令的连接状态下就可以接收下行数据，从而节省了终端设备的功耗。
可选地，在本申请一个实施例中，该方法还包括：该终端设备接收该第一接入网设备的特征信息；其中，该终端设备接收第一接入网设备发送的物理下行控制信道包括：该终端设备根据该特征信息，接收该第一接入网设备发送的物理下行控制信道。
具体而言，终端设备接收第一接入网设备发送的物理下行控制信道的特征信息，根据该特征信息能够准确的接收该物理下行控制信道，从而提高了系统效率。
可选地，在本申请一个实施例中，该方法300还包括：该终端设备接收该第一接入网设备的特征信息包括：该终端设备接收该第一接入网设备发送的系统信息，该系统信息携带该第一接入网设备的特征信息。
具体而言，终端设备接收到第一接入网设备发送的系统信息，从而能够准确的接收到该物理下行控制信道。
可选地，在本申请一个实施例中，该特征信息包括时域资源信息、频域资源信息、子载波间隔信息和/或子帧结构信息。
具体而言，第一接入网设备通过预设的时域位置(即周期性的)发送物理下行控制信道，则终端设备需要根据非连接续收的方式接收该物理下行控制信道。第一接入网设备通过其他特征信息发送物理下行控制信道，终端设备根据接收到的对应特征信息准确的接收该物理下行控制信道。
可选地，在本申请一个实施例中，该下行数据为用户面数据或控制面数据。
控制面数据可以是无线资源控制消息，例如，寻呼(paging)消息等。
因此，本申请实施例的数据传输的方法，终端设备接收到接入网设备集合中的第一接入网设备发送的物理下行控制信道，该接入网集合包括至少一个接入网设备，且该终端设备在该至少一个接入网设备覆盖的范围内能够进行无切换的移动，且第一接入网设备向该终端设备发送该下行数据，使得终端设备避免恢复高层信令连接的状态下接收到下行数据，从而提高了系统效率，减少了终端设备的功耗。
图8是本申请一个实施例的数据传输的方法400的示意图。该方法400的执行主体可以为网络实体。该方法400包括：
S410，网络实体确定接入网设备集合，该接入网设备集合包括至少一个接入网设备，且在该至少一个接入网设备覆盖的范围内该终端设备能够进行无切换的移动；
S420，该网络实体向接入网设备集合中的接入网设备发送下行数据，以便于所述接入网设备将所述下行数据发送给所述终端设备。
接入网设备集合包括至少一个接入网设备，该接入网设备集合可以通过一个逻辑实体(表示为网络实体)来管理。例如，网络实体可以知道该接入网设备集合有几个接入网设备；以及对终端上下文信息的配置、保存等；以及接入网设备与核心网设备之间用户承载的连接等。网络侧可以将下行数据发送到网络实体，由网络实体转发到接入网设备集合中的每个接入网设备。接入网设备集合中的每个接入网设备向终端设备发送该下行数据，使得终端设备避免恢复高层信令连接的状态下接收到下行数据，从而提高了系统效率，减少了终端设备的功耗。
可选地，在本申请一个实施例中，该网络实体为核心网设备；其中，该 网络实体向该接入网设备集合中的接入网设备发送该下行数据包括：该核心网设备向该至少一个接入网设备中的每个接入网设备发送该下行数据。
若网络实体为核心网设备当有下行数据需要发送时，网络侧(例如，服务器)可以将下行数据直接发送到核心网设备，由核心网设备转发到接入网设备集合中的每个接入网设备。若该核心网设备与该接入网设备不存在直接的连接，核心网可以先建立与该接入网设备的连接，再通过接入网设备集合中的每个接入网设备发送给终端设备，使得终端设备避免恢复高层信令连接的状态下接收到下行数据，从而提高了系统效率，减少了终端设备的功耗。
可选地，在本申请一个实施例中，该网络实体为该接入网设备集合中的第二接入网设备；其中，该网络实体向接入网设备集合中的接入网设备发送该下行数据包括：该第二接入网设备向该接入网设备集合中除该第二接入网设备之外的所有接入网设备发送该下行数据。
第二接入网设备可以将下行数据发送给第一接入网设备集合中除该第二接入网设备的所有接入网设备，从而接入网设备集合中的其他接入网设备能够同时向终端设备发送下行数据，使得终终端设备避免恢复高层信令连接的状态下接收到下行数据，从而提高了系统效率，减少了终端设备的功耗。
可选地，在本申请一个实施例中，该方法还包括：该第二接入网设备向该终端设备发送该下行数据。
第二接入网设备也可以向自己覆盖的网络发送下行数据，也就是说，接入网设备集合中的所有接入网设备能够同时向终端设备发送下行数据，使得终终端设备避免恢复高层信令连接的状态下接收到下行数据，从而提高了系统效率，减少了终端设备的功耗。
可选地，在本申请一个实施例中，该方法400还包括：该网络实体接收该接入网设备集合中的第一接入网设备发送的指示信息，该指示信息用于指示网络实体只向该第二接入网设备发送后续下行数据；该网络实体只向该第一接入网设备发送后续下行数据。
网络实体可以接收到第一接入网设备在确定终端设备属于自己时发送的指示信息，网络实体可以只向第一接入网设备发送下行数据，从而节省了系统功耗。
可选地，在本申请一个实施例中，该方法400还包括：该网络实体通过该接入网设备集合中的接入网设备向该终端设备发送资源配置信息，该资源 配置信息用于该终端设备发送上行数据。
网络实体可以通过接入网设备集合中的接入网设备向终端设备发送的上行数据的资源配置信息，使得终端设备根据该资源配置信息可以向接入网设备发送上行数据，从而使得终端设备在不恢复高层连接的状态下，能够发送上下数据，从而节省了终端设备的功耗。
可选地，在本申请一个实施例中，该资源配置信息包括该上行数据的专用资源和/或接入序列。
可选地，在本申请一个实施例中，该方法400还包括：该网络实体通过该接入网设备集合中的接入网设备向该终端设备发送该物理下行控制信道的特征信息，该特征信息用于指示该终端设备接收该物理下行控制信道。
网络实体可以为物理下行控制信道配置特征信息，并通过接入网设备集合中的接入网设备发送给终端设备，该特征信息可以作为上下文信息在各网络节点间传递。
可选地，在本申请一个实施例中，该特征信息包括时域资源信息、频域资源信息、子载波间隔信息和/或子帧结构信息。
可选地，在本申请一个实施例中，该下行数据为用户面数据或控制面数据。
控制面数据可以是无线资源控制消息，例如，寻呼(paging)消息等。
因此，本申请实施例的数据传输的方法，网络实体通过确定包括至少一个接入网设备的接入网设备集合，并向接入网设备集合中的接入网设备发送该终端设备的下行数据，该接入网设备向该终端设备发送该下行数据，在该至少一个接入网设备覆盖的范围内该终端设备能够进行无切换的移动，使得终端设备避免恢复高层信令连接的状态下接收到下行数据，从而提高了系统效率，减少了终端设备的功耗。
下面结合图9详细描述本申请实施例。应注意，这只是为了帮助本领域技术人员更好地理解本申请实施例，而非限制本申请实施例的范围。
601，接入网设备向终端设备发送物理下行控制信道，该物理下行控制信道携带该终端设备的下行数据的调度信息。
该接入网设备为接入网设备集合中的任意一个接入网设备，该接入网设备集合包括至少一个接入网设备(例如，图9中的接入网设备1、接入网设备2和接入网设备3)。终端设备能够在该接入网设备集合中的所有接入网设 备覆盖的范围内自由移动，且不需要进行接入网设备的切换。也就是说，接入网设备集合中的每个接入网设备都向终端设备发送物理下行控制信道。
可选地，该接入网设备向该终端设备发送该物理下行控制信道的特征信息，该特征信息用于指示该终端设备接收该物理下行控制信道。
602、接入网设备接收网络实体发送的下行数据。
该网络实体可以是该接入网设备集合中的某一个接入网设备，或者是核心网设备，或者是在接入网设备集合之外的独立网络实体等，本申请对此不进行限定。
应理解，步骤602可以与步骤601同时发生，或者在步骤601之前，本申请对此不进行限定。
603、终端设备接收RNTI。
接入网设备集合中的每个接入设备都向终端设备发送下行控制信道和下行数据，但是只有终端所属的接入网设备(表示为接入网设备1)能够成功发送到终端设备。
604、终端设备根据该RNTI，解调物理下行控制信道携带的下行数据的调度信息。
605、接入网设备1发送下行数据，该下行数据可以携带上行数据的资源配置信息。
可选地，该上行数据的资源配置信息也可以携带在步骤601中的下行控制信道中，本申请对此不进行限定。
606、终端设备根据调度信息，接收到接入网设备1发送的下行数据。
这样终端设备根据资源配置信息，向接入网设备1发送上行数据。可选地，该资源配置信息包括该上行数据的专用资源和/或接入序列。接入网设备1接收到上行数据，接入网设备1可以判定终端设备当前在自己覆盖的范围内，该接入网设备1可以向网络实体或核心网设备发送指示信息，网络实体或核心网设备可以只向第一接入网设备发送下行数据。
可选地，该接入网设备1可以向接入网设备集合中的其他接入网设备(接入网设备2和接入网设备3)发送用于指示停止向终端设备发送该下行数据指示信息。
因此，本申请实施例的数据传输的方法，接入网设备集合中的每个接入网设备向终端设备发送携带该终端设备下行数据的调度信息的物理下行控 制信道，该接入网集合包括至少一个接入网设备，在该至少一个接入网设备覆盖的范围内该终端设备能够进行无切换的移动，且接入网设备集合中的每个接入网设备向该终端设备发送该下行数据，使得终端设备避免恢复高层信令连接的状态下接收到下行数据，从而提高了系统效率，减少了终端设备的功耗。
应理解，在本申请的各种实施例中，上述各过程的序号的大小并不意味着执行顺序的先后，各过程的执行顺序应以其功能和内在逻辑确定，而不应对本申请实施例的实施过程构成任何限定。
上文中详细描述了根据本申请实施例的数据传输的方法，下面将描述根据本申请实施例的接入网设备、终端设备和网络实体。
图10示出了根据本申请实施例的接入网设备700的示意性框图。如图10所示，该接入网设备700包括：
发送模块710，用于向终端设备发送物理下行控制信道，该物理下行控制信道携带该终端设备的下行数据的调度信息，该接入网设备为接入网设备集合中的任一接入网设备，该接入网设备集合包括至少一个接入网设备，且在该至少一个接入网设备覆盖的范围内该终端设备能够进行无切换的移动；
该发送模块710，还用于向该终端设备发送该下行数据。
可选地，在本申请实施例中，该第一接入网设备还包括：
接收模块，用于接收网络实体发送的该下行数据。
可选地，在本申请实施例中，该网络实体为核心网设备。
可选地，在本申请实施例中，该网络实体为该接入网设备集合中的第二接入网设备。
可选地，在本申请实施例中，该接收模块，还用于接收网络实体发送的资源配置信息，该资源配置信息用于该终端设备发送上行数据；
该发送模块710，还用于向该终端设备发送该资源配置信息。
可选地，在本申请实施例中，该发送模块710具体用于：通过该下行数据或该物理下行控制信道发送该资源配置信息。
可选地，在本申请实施例中，该第一接入网设备还包括：该接收模块，还用于接收该终端设备发送的上行数据；该发送模块710，还用于向该第一接入网设备集合中的其他接入网设备发送第一指示信息，该第一指示信息用于指示停止向该终端设备发送下行数据。
可选地，在本申请实施例中，该接收模块，还用于接收该终端设备发送的上行数据；该发送模块710，还用于向网络实体发送第二指示信息，该第二指示信息用于指示网络实体只向该第一接入网设备发送后续下行数据，其中，发送至终端的下行数据来自或经过该网络实体。
可选地，在本申请实施例中，该资源配置信息包括该上行数据的专用资源和/或接入序列。
可选地，在本申请实施例中，该第一接入网设备还包括：确定模块，用于确定该物理下行控制信道的特征信息，该特征信息是由该第一接入网设备与该终端设备连接时配置的；该发送模块710，还用于向该终端设备发送该特征信息，该特征信息用于指示该终端设备接收该物理下行控制信道。
可选地，在本申请实施例中，该特征信息是由该第一接入网设备与该终端设备存在高层信令连接时配置的。
可选地，在本申请实施例中，该接收模块，还用于接收网络实体发送的该物理下行控制信道的特征信息，该特征信息是由该网络实体配置的；该发送模块710，还用于向该终端设备发送该特征信息，该特征信息用于指示该终端设备接收该物理下行控制信道。
可选地，在本申请实施例中，该特征信息是由该网络实体配置的。
可选地，在本申请实施例中，该发送模块710具体用于：通过系统信息向该终端设备发送携带的该特征信息。
可选地，在本申请实施例中，该特征信息包括时域资源信息、频域资源信息、子载波间隔信息和/或子帧结构信息。
可选地，在本申请实施例中，该调度信息为通过该终端设备对应的无线网络临时标识RNTI加扰的调度信息；该发送模块710，还用于向该终端设备发送该RNTI，该RNTI用于该终端设备解调该调度信息，该RNTI与该接入网设备集合中的其他接入网设备的物理下行控制信道携带的加扰调度信息的RNTI相同，且该RNTI是由该第一接入网设备与该终端设备存在高层信令连接时配置的，或者该RNTI是由网络实体预先配置并发送给该接入网设备集合中的每个接入网设备的。
可选地，在本申请实施例中，该调度信息为通过RNTI加扰的调度信息；该发送模块710，还用于向该终端设备发送系统信息，该系统信息携带该RNTI，该RNTI用于该终端设备解调该调度信息。
可选地，在本申请实施例中，该下行数据为用户面数据或控制面数据。
因此，本申请实施例的第一接入网设备，通过向终端设备发送携带该终端设备下行数据的调度信息的物理下行控制信道，该接入网集合包括至少一个接入网设备，在该至少一个接入网设备覆盖的范围内该终端设备能够进行无切换的移动，且该第一接入网设备向该终端设备发送该下行数据，使得终端设备避免恢复高层信令连接的状态下接收到下行数据，从而提高了系统效率，减少了终端设备的功耗。
图11示出了根据本申请实施例的终端设备800的示意性框图。如图11所示，该终端设备800包括：
接收模块810，用于接收第一接入网设备发送的该物理下行控制信道，该物理下行控制信道携带该终端设备的下行数据的调度信息，该第一接入网设备为该接入网设备集合中的接入网设备，该接入网设备集合包括至少一个接入网设备，且该终端设备在该至少一个接入网设备覆盖的范围内能够进行无切换的移动；
该接收模块810，还用于根据该调度信息，接收该第一接入网设备发送的该下行数据。
可选地，在本申请实施例中，该接收模块，还用于接收该第一接入网设备发送的该资源配置信息，该资源配置信息用于该终端设备发送上行数据；该发送模块，用于根据该资源配置信息，向该第一接入网设备发送该上行数据。
可选地，在本申请实施例中，该接收模块810具体用于：接收通过该下行数据或该物理下行控制信道携带的该资源配置信息。
可选地，在本申请实施例中，该资源配置信息包括该上行数据的专用资源和/或接入序列。
可选地，在本申请实施例中，该接收模块810，还用于接收该第一接入网设备发送的无线网络临时标识RNTI；处理模块，用于根据该RNTI，解调该调度信息。
可选地，在本申请实施例中，该接收模块810，具体用于：接收该第一接入网设备发送的系统信息，该系统信息携带该RNTI。
可选地，在本申请实施例中，该接收模块810，还用于接收该第一接入网设备的特征信息；该接收模块810，具体用于：根据该特征信息，接收该 第一接入网设备发送的物理下行控制信道。
可选地，在本申请实施例中，该接收模块810，具体用于：接收该第一接入网设备发送的系统信息，该系统信息携带该第一接入网设备的特征信息。
可选地，在本申请实施例中，该特征信息包括时域资源信息、频域资源信息、子载波间隔信息和/或子帧结构信息。
可选地，在本申请实施例中，该下行数据为用户面数据或控制面数据。
因此，本申请实施例的终端设备，通过接收到接入网设备集合中的第一接入网设备发送的物理下行控制信道，该接入网集合包括至少一个接入网设备，且该终端设备在该至少一个接入网设备覆盖的范围内能够进行无切换的移动，且第一接入网设备向该终端设备发送该下行数据，使得终端设备避免恢复高层信令连接的状态下接收到下行数据，从而提高了系统效率，减少了终端设备的功耗。
图12示出了根据本申请实施例的网络实体900的示意性框图。如图12所示，该网络实体900包括：
确定模块910，用于向接入网设备集合中的接入网设备发送物理下行控制信道，该物理下行控制信道携带该终端设备的下行数据的调度信息，该接入网设备集合包括至少一个接入网设备，且在该至少一个接入网设备覆盖的范围内该终端设备能够进行无切换的移动；
发送模块920，用于向该接入网设备集合中的接入网设备发送该下行数据，以便于该接入网设备将该下行数据发送给该终端设备。
可选地，在本申请实施例中，该网络实体为核心网设备；该发送模块920，具体用于：向该至少一个接入网设备中的每个接入网设备发送该下行数据。
可选地，在本申请实施例中，该网络实体为该接入网设备集合中的第二接入网设备；该发送模块920，具体用于：向该接入网设备集合中除该第二接入网设备之外的所有接入网设备发送该下行数据。
可选地，在本申请实施例中，该发送模块920，还用于向该终端设备发送物理下行控制信道，该物理下行控制信道携带该终端设备的下行数据的调度信息；该发送模块，还用于向该终端设备发送该下行数据。
可选地，在本申请实施例中，该接收模块，还用于接收该接入网设备集合中的第一接入网设备发送的指示信息，该指示信息用于指示网络实体只向 该第二接入网设备发送后续下行数据；该发送模块920，还用于只向该第一接入网设备发送后续下行数据。
可选地，在本申请实施例中，该发送模块920，还用于通过该接入网设备集合中的接入网设备向该终端设备发送资源配置信息，该资源配置信息用于该终端设备发送上行数据。
可选地，在本申请实施例中，该资源配置信息包括该上行数据的专用资源和/或接入序列。
可选地，在本申请实施例中，该发送模块920，还用于通过该接入网设备集合中的接入网设备向该终端设备发送该物理下行控制信道的特征信息，该特征信息用于指示该终端设备接收该物理下行控制信道。
可选地，在本申请实施例中，该特征信息包括时域资源信息、频域资源信息、子载波间隔信息和/或子帧结构信息。
可选地，在本申请实施例中，该下行数据为用户面数据或控制面数据。
因此，本申请实施例的网络实体，通过确定包括至少一个接入网设备的接入网设备集合，并向接入网设备集合中的接入网设备发送该终端设备的下行数据，该接入网设备向该终端设备发送该下行数据，在该至少一个接入网设备覆盖的范围内该终端设备能够进行无切换的移动，使得终端设备避免恢复高层信令连接的状态下接收到下行数据，从而提高了系统效率，减少了终端设备的功耗。
图13示出了本申请的实施例提供的数据传输的系统1000的示意性框图。该系统1000包括：
前述本申请实施例的接入网设备700、本申请实施例的终端设备800和本申请实施例的网络实体900。
图14示出了本申请的实施例提供的接入网设备的结构，包括至少一个处理器1102(例如具有计算和处理能力的通用处理器CPU、数字信号处理器(DSP)、专用集成电路(ASIC)、现成可编程门阵列(FPGA)等)，处理器对OBU设备内各模块和器件进行管理和调度。还包括至少一个网络接口1105或者其他通信接口，存储器1106，和至少一个总线系统1103。OBU的各个组件通过总线系统1103耦合在一起，其中总线系统1103可能包括数据总线、电源总线、控制总线和状态信号总线等，但是为了清楚说明起见，在图中将各种总线都标为总线系统1103。
上述本申请实施例揭示的方法可以应用于处理器1102，或者用于执行存储器1106中存储的可执行模块，例如计算机程序。存储器1106可能包含高速随机存取存储器(RAM:Random Access Memory)，也可能还包括非不稳定的存储器(non-volatile memory)，存储器可以包括只读存储器和随机存取存储器，并向处理器提供需要的信令或数据、程序等等。存储器的一部分还可以包括非易失行随机存取存储器(NVRAM)。通过至少一个网络接口1105(可以是有线或者无线)实现与至少一个其他网元之间的通信连接。
在一些实施方式中，存储器1106存储了程序11061，处理器1102执行程序11061，用于执行以下操作：
通过网络接口1105向终端设备发送物理下行控制信道，该物理下行控制信道携带该终端设备的下行数据的调度信息，该接入网设备为接入网设备集合中的任一接入网设备，该接入网设备集合包括至少一个接入网设备，且在该至少一个接入网设备覆盖的范围内该终端设备能够进行无切换的移动；
通过网络接口1105向该终端设备发送该下行数据。
需要说明的是，该接入网设备可以具体为上述实施例中的接入网设备，并且可以用于执行上述方法实施例中与接入网设备对应的各个步骤和/或流程。
从本申请实施例提供的以上技术方案可以看出，第一接入网设备通过向终端设备发送携带该终端设备下行数据的调度信息的物理下行控制信道，该接入网集合包括至少一个接入网设备，在该至少一个接入网设备覆盖的范围内该终端设备能够进行无切换的移动，且该第一接入网设备向该终端设备发送该下行数据，使得终端设备避免恢复高层信令连接的状态下接收到下行数据，从而提高了系统效率，减少了终端设备的功耗。
图15示出了本申请的实施例提供的终端设备的结构，包括至少一个处理器1202(例如具有计算和处理能力的通用处理器CPU、数字信号处理器(DSP)、专用集成电路(ASIC)、现成可编程门阵列(FPGA)等)，处理器对OBU设备内各模块和器件进行管理和调度。还包括至少一个网络接口1205或者其他通信接口，存储器1206，和至少一个总线系统1203。OBU的各个组件通过总线系统1203耦合在一起，其中总线系统1203可能包括数据总线、电源总线、控制总线和状态信号总线等，但是为了清楚说明起见，在图中将各种总线都标为总线系统1203。
上述本申请实施例揭示的方法可以应用于处理器1202，或者用于执行存储器1206中存储的可执行模块，例如计算机程序。存储器1206可能包含高速随机存取存储器(Random Access Memory，RAM)，也可能还包括非不稳定的存储器(non-volatile memory)，存储器可以包括只读存储器和随机存取存储器，并向处理器提供需要的信令或数据、程序等等。存储器的一部分还可以包括非易失行随机存取存储器(NVRAM)。通过至少一个网络接口1205(可以是有线或者无线)实现与至少一个其他网元之间的通信连接。
在一些实施方式中，存储器1206存储了程序12061，处理器1202执行程序12061，用于执行以下操作：
通过网络接口1205接收第一接入网设备发送的物理下行控制信道，该物理下行控制信道携带终端设备的下行数据的调度信息，该第一接入网设备属于该接入网设备集合，该接入网集合包括至少一个接入网设备，且该终端设备在该至少一个接入网设备覆盖的范围内能够进行无切换的移动；
通过网络接口1205根据该调度信息，接收该第一接入网设备发送的该下行数据。
需要说明的是，该终端设备可以具体为上述实施例中的终端设备，并且可以用于执行上述方法实施例中与终端设备对应的各个步骤和/或流程。
从本申请实施例提供的以上技术方案可以看出，终端设备接收到接入网设备集合中的第一接入网设备发送的物理下行控制信道，该接入网集合包括至少一个接入网设备，且该终端设备在该至少一个接入网设备覆盖的范围内能够进行无切换的移动，且第一接入网设备向该终端设备发送该下行数据，使得终端设备避免恢复高层信令连接的状态下接收到下行数据，从而提高了系统效率，减少了终端设备的功耗。
图16示出了本申请的实施例提供的网络实体的结构，包括至少一个处理器1302(例如具有计算和处理能力的通用处理器CPU、数字信号处理器(DSP)、专用集成电路(ASIC)、现成可编程门阵列(FPGA)等)，处理器对OBU设备内各模块和器件进行管理和调度。还包括至少一个网络接口1305或者其他通信接口，存储器1306，和至少一个总线系统1303。OBU的各个组件通过总线系统1303耦合在一起，其中总线系统1303可能包括数据总线、电源总线、控制总线和状态信号总线等，但是为了清楚说明起见，在图中将各种总线都标为总线系统1303。
上述本申请实施例揭示的方法可以应用于处理器1302，或者用于执行存储器1306中存储的可执行模块，例如计算机程序。存储器1306可能包含高速随机存取存储器(RAM:Random Access Memory)，也可能还包括非不稳定的存储器(non-volatile memory)，存储器可以包括只读存储器和随机存取存储器，并向处理器提供需要的信令或数据、程序等等。存储器的一部分还可以包括非易失行随机存取存储器(NVRAM)。通过至少一个网络接口1305(可以是有线或者无线)实现与至少一个其他网元之间的通信连接。
在一些实施方式中，存储器1306存储了程序13061，处理器1302执行程序13061，用于执行以下操作：
通过网络接口1305确定接入网设备集合，该接入网设备集合包括至少一个接入网设备，且在该至少一个接入网设备覆盖的范围内该终端设备能够进行无切换的移动；
通过网络接口1305向接入网设备集合中的接入网设备发送下行数据，以便于所述接入网设备将所述下行数据发送给所述终端设备。
需要说明的是，该网络实体可以具体为上述实施例中的网络实体，并且可以用于执行上述方法实施例中与网络实体对应的各个步骤和/或流程。
从本申请实施例提供的以上技术方案可以看出，网络实体通过确定包括至少一个接入网设备的接入网设备集合，并向接入网设备集合中的接入网设备发送该终端设备的下行数据，该接入网设备向该终端设备发送该下行数据，在该至少一个接入网设备覆盖的范围内该终端设备能够进行无切换的移动，使得终端设备避免恢复高层信令连接的状态下接收到下行数据，从而提高了系统效率，减少了终端设备的功耗。
本申请实施例还提供一种计算机存储介质，该计算机存储介质可以存储用于指示上述任一种方法的程序指令。
可选地，该存储介质具体可以为存储器1106、1206或1306。
应理解，本文中术语“和/或”，仅仅是一种描述关联对象的关联关系，表示可以存在三种关系，例如，A和/或B，可以表示：单独存在A，同时存在A和B，单独存在B这三种情况。另外，本文中字符“/”，一般表示前后关联对象是一种“或”的关系。
应理解，在本申请的各种实施例中，上述各过程的序号的大小并不意味着执行顺序的先后，各过程的执行顺序应以其功能和内在逻辑确定，而不应 对本申请实施例的实施过程构成任何限定。
本领域普通技术人员可以意识到，结合本文中所公开的实施例描述的各示例的单元及算法步骤，能够以电子硬件、或者计算机软件和电子硬件的结合来实现。这些功能究竟以硬件还是软件方式来执行，取决于技术方案的特定应用和设计约束条件。专业技术人员可以对每个特定的应用来使用不同方法来实现所描述的功能，但是这种实现不应认为超出本申请的范围。
所属领域的技术人员可以清楚地了解到，为描述的方便和简洁，上述描述的系统、装置和单元的具体工作过程，可以参考前述方法实施例中的对应过程，在此不再赘述。
在本申请所提供的几个实施例中，应该理解到，所揭露的系统、装置和方法，可以通过其它的方式实现。例如，以上所描述的装置实施例仅仅是示意性的，例如，所述单元的划分，仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式，例如多个单元或组件可以结合或者可以集成到另一个系统，或一些特征可以忽略，或不执行。另一点，所显示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口，装置或单元的间接耦合或通信连接，可以是电性，机械或其它的形式。
所述作为分离部件说明的单元可以是或者也可以不是物理上分开的，作为单元显示的部件可以是或者也可以不是物理单元，即可以位于一个地方，或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部单元来实现本实施例方案的目的。
另外，在本申请各个实施例中的各功能单元可以集成在一个处理单元中，也可以是各个单元单独物理存在，也可以两个或两个以上单元集成在一个单元中。
所述功能如果以软件功能单元的形式实现并作为独立的产品销售或使用时，可以存储在一个计算机可读取存储介质中。基于这样的理解，本申请的技术方案本质上或者说对现有技术做出贡献的部分或者该技术方案的部分可以以软件产品的形式体现出来，该计算机软件产品存储在一个存储介质中，包括若干指令用以使得一台计算机设备(可以是个人计算机，服务器，或者网络设备等)执行本申请各个实施例所述方法的全部或部分步骤。而前述的存储介质包括：U盘、移动硬盘、只读存储器(Read-Only Memory，ROM)、随机存取存储器(Random Access Memory，RAM)、磁碟或者光盘等各种可 以存储程序代码的介质。
以上所述，仅为本申请的具体实施方式，但本申请的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本申请揭露的技术范围内，可轻易想到变化或替换，都应涵盖在本申请的保护范围之内。因此，本申请的保护范围应以权利要求的保护范围为准。

Claims (76)

  1. 一种数据传输的方法，其特征在于，包括：
    第一接入网设备向终端设备发送物理下行控制信道，所述物理下行控制信道携带所述终端设备的下行数据的调度信息，所述第一接入网设备为所述接入网设备集合中的任一接入网设备，所述接入网设备集合包括至少一个接入网设备，且在所述至少一个接入网设备覆盖的范围内所述终端设备能够进行无切换的移动；
    所述第一接入网设备向所述终端设备发送所述下行数据。
  2. 根据权利要求1所述的方法，其特征在于，在所述第一接入网设备向所述终端设备发送所述下行数据之前，所述方法还包括：
    所述第一接入网设备接收网络实体发送的所述下行数据。
  3. 根据权利要求2所述的方法，其特征在于，所述网络实体为核心网设备。
  4. 根据权利要求2所述的方法，其特征在于，所述网络实体为所述接入网设备集合中的第二接入网设备。
  5. 根据权利要求1至4中任一项所述的方法，其特征在于，所述方法还包括：
    所述第一接入网设备接收网络实体发送的资源配置信息，所述资源配置信息用于所述终端设备发送上行数据；
    所述第一接入网设备向所述终端设备发送所述资源配置信息。
  6. 根据权利要求5所述的方法，其特征在于，所述第一接入网设备向所述终端设备发送所述资源配置信息，包括：
    所述第一接入网设备通过所述下行数据或所述物理下行控制信道发送所述资源配置信息。
  7. 根据权利要求5或6所述的方法，其特征在于，所述方法还包括：
    所述第一接入网设备接收所述终端设备发送的上行数据；
    所述第一接入网设备向所述第一接入网设备集合中的其他接入网设备发送第一指示信息，所述第一指示信息用于指示停止向所述终端设备发送下行数据。
  8. 根据权利要求5或6所述的方法，其特征在于，所述方法还包括：
    所述第一接入网设备接收所述终端设备发送的上行数据；
    所述第一接入网设备向网络实体发送第二指示信息，所述第二指示信息用于指示网络实体只向所述第一接入网设备发送后续下行数据，其中，发送至终端的下行数据来自或经过所述网络实体。
  9. 根据权利要求5至8中任一项所述的方法，其特征在于，所述资源配置信息包括所述上行数据的专用资源和/或接入序列。
  10. 根据权利要求1至9中任一项所述的方法，其特征在于，在所述第一接入网设备向终端设备发送物理下行控制信道之前，所述方法还包括：
    所述第一接入网设备确定所述物理下行控制信道的特征信息；
    所述第一接入网设备向所述终端设备发送所述特征信息，所述特征信息用于指示所述终端设备接收所述物理下行控制信道。
  11. 根据权利要求10所述的方法，其特征在于，所述特征信息是由所述第一接入网设备与所述终端设备存在高层信令连接时配置的。
  12. 根据权利要求1至9中任一项所述的方法，其特征在于，在所述第一接入网设备向终端设备发送物理下行控制信道之前，所述方法还包括：
    所述第一接入网设备接收网络实体发送的所述物理下行控制信道的特征信息；
    所述第一接入网设备向所述终端设备发送所述特征信息，所述特征信息用于指示所述终端设备接收所述物理下行控制信道。
  13. 根据权利要求12所述的方法，其特征在于，所述特征信息是由所述网络实体配置的。
  14. 根据权利要求1至9中任一项所述的方法，其特征在于，所述方法还包括：
    所述第一接入网设备通过系统信息向所述终端设备发送携带的所述物理下行控制信道的特征信息。
  15. 根据权利要求10至14中任一项所述的方法，其特征在于，所述特征信息包括时域资源信息、频域资源信息、子载波间隔信息和/或子帧结构信息。
  16. 根据权利要求1至15中任一项所述的方法，其特征在于，所述调度信息为通过所述终端设备对应的无线网络临时标识RNTI加扰的调度信息，所述RNTI与所述接入网设备集合中的其他接入网设备的物理下行控制信道携带的加扰调度信息的RNTI相同，且所述RNTI是由所述第一接入网 设备与所述终端设备存在高层信令连接时配置的，或者所述RNTI是由网络实体预先配置并发送给所述接入网设备集合中的每个接入网设备的；
    在所述第一接入网设备向所述终端设备发送所述下行数据之前，所述方法还包括：
    所述第一接入网设备向所述终端设备发送所述RNTI，所述RNTI用于所述终端设备解调所述调度信息。
  17. 根据权利要求1至15中任一项所述的方法，其特征在于，所述调度信息为通过RNTI加扰的调度信息；
    所述方法还包括：
    所述第一接入网设备向所述终端设备发送系统信息，所述系统信息携带所述RNTI，所述RNTI用于所述终端设备解调所述调度信息。
  18. 根据权利要求1至17中任一项所述的方法，其特征在于，所述下行数据为用户面数据或控制面数据。
  19. 一种数据传输的方法，其特征在于，包括：
    终端设备接收第一接入网设备发送的物理下行控制信道，所述物理下行控制信道携带所述终端设备的下行数据的调度信息，所述第一接入网设备属于接入网设备集合，所述接入网集合包括至少一个接入网设备，且所述终端设备在所述至少一个接入网设备覆盖的范围内能够进行无切换的移动；
    所述终端设备根据所述调度信息，接收所述第一接入网设备发送的所述下行数据。
  20. 根据权利要求19所述的方法，其特征在于，所述方法还包括：
    所述终端设备接收所述第一接入网设备发送的所述资源配置信息，所述资源配置信息用于所述终端设备发送上行数据；
    所述终端设备根据所述资源配置信息，向所述第一接入网设备发送所述上行数据。
  21. 根据权利要求20所述的方法，其特征在于，所述终端设备接收所述第一接入网设备发送的所述资源配置信息包括：
    所述终端设备接收通过所述下行数据或所述物理下行控制信道携带的所述资源配置信息。
  22. 根据权利要求20或21所述的方法，其特征在于，所述资源配置信息包括所述上行数据的专用资源和/或接入序列。
  23. 根据权利要求19至22中的任一项所述的方法，其特征在于，在接收所述第一接入网设备发送的所述下行数据之前，所述方法还包括：
    所述终端设备接收所述第一接入网设备发送的无线网络临时标识RNTI；
    所述终端设备根据所述RNTI，解调所述调度信息。
  24. 根据权利要求23所述的方法，其特征在于，所述终端设备接收所述第一接入网设备发送的RNTI包括：
    所述终端设备接收所述第一接入网设备发送的系统信息，所述系统信息携带所述RNTI。
  25. 根据权利要求19至24中任一项所述的方法，其特征在于，所述方法还包括：
    所述终端设备接收所述第一接入网设备的特征信息；
    其中，所述终端设备接收第一接入网设备发送的物理下行控制信道包括：
    所述终端设备根据所述特征信息，接收所述第一接入网设备发送的所述物理下行控制信道。
  26. 根据权利要求25所述的方法，其特征在于，所述终端设备接收所述第一接入网设备的特征信息包括：
    所述终端设备接收所述第一接入网设备发送的系统信息，所述系统信息携带所述第一接入网设备的特征信息。
  27. 根据权利要求25或26所述的方法，其特征在于，所述特征信息包括时域资源信息、频域资源信息、子载波间隔信息和/或子帧结构信息。
  28. 根据权利要求19至27中任一项所述的方法，其特征在于，所述下行数据为用户面数据或控制面数据。
  29. 一种数据传输的方法，其特征在于，包括：
    网络实体确定接入网设备集合，所述接入网设备集合包括至少一个接入网设备，且在所述至少一个接入网设备覆盖的范围内终端设备能够进行无切换的移动；
    所述网络实体向接入网设备集合中的接入网设备发送下行数据，以便于所述接入网设备将所述下行数据发送给所述终端设备。
  30. 根据权利要求29所述的方法，其特征在于，所述网络实体为核心 网设备；
    其中，所述网络实体向所述接入网设备集合中的接入网设备发送所述下行数据包括：
    所述核心网设备向所述至少一个接入网设备中的每个接入网设备发送所述下行数据。
  31. 根据权利要求29所述的方法，其特征在于，所述网络实体为所述接入网设备集合中的第二接入网设备；
    其中，所述网络实体向接入网设备集合中的接入网设备发送所述下行数据包括：
    所述第二接入网设备向所述接入网设备集合中除所述第二接入网设备之外的所有接入网设备发送所述下行数据。
  32. 根据权利要求31所述的方法，其特征在于，所述方法还包括：
    所述第二接入网设备向所述终端设备发送物理下行控制信道，所述物理下行控制信道携带所述终端设备的下行数据的调度信息；
    所述第二接入网设备向所述终端设备发送所述下行数据。
  33. 根据权利要求29至32中任一项所述的方法，其特征在于，所述方法还包括：
    所述网络实体接收所述接入网设备集合中的第一接入网设备发送的指示信息，所述指示信息用于指示网络实体只向所述第二接入网设备发送后续下行数据；
    所述网络实体只向所述第一接入网设备发送后续下行数据。
  34. 根据权利要求29至33中任一项所述的方法，其特征在于，所述方法还包括：
    所述网络实体通过所述接入网设备集合中的接入网设备向所述终端设备发送资源配置信息，所述资源配置信息用于所述终端设备发送上行数据。
  35. 根据权利要求34所述的方法，其特征在于，所述资源配置信息包括所述上行数据的专用资源和/或接入序列。
  36. 根据权利要求29至35中任一项所述的方法，其特征在于，所述方法还包括：
    所述网络实体通过所述接入网设备集合中的接入网设备向所述终端设备发送所述物理下行控制信道的特征信息，所述特征信息用于指示所述终端 设备接收所述物理下行控制信道。
  37. 根据权利要求36所述的方法，其特征在于，所述特征信息包括时域资源信息、频域资源信息、子载波间隔信息和/或子帧结构信息。
  38. 根据权利要求29至37中任一项所述的方法，其特征在于，所述下行数据为用户面数据或控制面数据。
  39. 一种接入网设备，其特征在于，包括：
    发送模块，用于向终端设备发送物理下行控制信道，所述物理下行控制信道携带所述终端设备的下行数据的调度信息，所述接入网设备为接入网设备集合中的任一接入网设备，所述接入网设备集合包括至少一个接入网设备，且在所述至少一个接入网设备覆盖的范围内所述终端设备能够进行无切换的移动；
    所述发送模块，还用于向所述终端设备发送所述下行数据。
  40. 根据权利要求39所述的第一接入网设备，其特征在于，所述接入网设备还包括：
    接收模块，用于接收网络实体发送的所述下行数据。
  41. 根据权利要求40所述的接入网设备，其特征在于，所述网络实体为核心网设备。
  42. 根据权利要求40所述的接入网设备，其特征在于，所述网络实体为所述接入网设备集合中的第二接入网设备。
  43. 根据权利要求39至42中任一项所述的接入网设备，其特征在于，所述接收模块，还用于接收网络实体发送的资源配置信息，所述资源配置信息用于所述终端设备发送上行数据；
    所述发送模块，还用于向所述终端设备发送所述资源配置信息。
  44. 根据权利要求43所述的接入网设备，其特征在于，所述发送模块具体用于：
    通过所述下行数据或所述物理下行控制信道发送所述资源配置信息。
  45. 根据权利要求43或44所述的接入网设备，其特征在于，所述接收模块，还用于接收所述终端设备发送的上行数据；
    所述发送模块，还用于向所述接入网设备集合中的其他接入网设备发送第一指示信息，所述第一指示信息用于指示停止向所述终端设备发送下行数据。
  46. 根据权利要求43或44所述的接入网设备，其特征在于，所述接收模块，还用于接收所述终端设备发送的上行数据；
    所述发送模块，还用于向网络实体发送第二指示信息，所述第二指示信息用于指示网络实体只向所述接入网设备发送后续下行数据，其中，发送至终端的下行数据来自或经过所述网络实体。
  47. 根据权利要求43至46中任一项所述的接入网设备，其特征在于，所述资源配置信息包括所述上行数据的专用资源和/或接入序列。
  48. 根据权利要求39至47中任一项所述的接入网设备，其特征在于，所述接入网设备还包括：
    确定模块，用于确定所述物理下行控制信道的特征信息，所述特征信息是由所述第一接入网设备与所述终端设备连接时配置的；
    所述发送模块，还用于向所述终端设备发送所述特征信息，所述特征信息用于指示所述终端设备接收所述物理下行控制信道。
  49. 根据权利要求48所述的接入网设备，其特征在于，所述特征信息是由所述第一接入网设备与所述终端设备存在高层信令连接时配置的。
  50. 根据权利要求39至49中任一项所述的接入网设备，其特征在于，所述接收模块，还用于接收网络实体发送的所述物理下行控制信道的特征信息，所述特征信息是由所述网络实体配置的；
    所述发送模块，还用于向所述终端设备发送所述特征信息，所述特征信息用于指示所述终端设备接收所述物理下行控制信道。
  51. 根据权利要求50所述的接入网设备，其特征在于，所述特征信息是由所述网络实体配置的。
  52. 根据权利要求39至49中任一项所述的接入网设备，其特征在于，所述发送模块具体用于：
    通过系统信息向所述终端设备发送携带的所述物理下行控制信道的特征信息。
  53. 根据权利要求48至52中任一项所述的接入网设备，其特征在于，所述特征信息包括时域资源信息、频域资源信息、子载波间隔信息和/或子帧结构信息。
  54. 根据权利要求39至53中任一项所述的接入网设备，其特征在于，所述调度信息为通过所述终端设备对应的无线网络临时标识RNTI加扰的调 度信息，所述RNTI与所述接入网设备集合中的其他接入网设备的物理下行控制信道携带的加扰调度信息的RNTI相同，且所述RNTI是由所述第一接入网设备与所述终端设备存在高层信令连接时配置的，或者所述RNTI是由网络实体预先配置并发送给所述接入网设备集合中的每个接入网设备的；
    所述发送模块，还用于向所述终端设备发送所述RNTI，所述RNTI用于所述终端设备解调所述调度信息。
  55. 根据权利要求54所述的接入网设备，其特征在于，所述调度信息为通过RNTI加扰的调度信息；
    所述发送模块，还用于向所述终端设备发送系统信息，所述系统信息携带所述RNTI，所述RNTI用于所述终端设备解调所述调度信息。
  56. 根据权利要求39至55中任一项所述的接入网设备，其特征在于，所述下行数据为用户面数据或控制面数据。
  57. 一种终端设备，其特征在于，包括：
    接收模块，用于接收第一接入网设备发送的物理下行控制信道，所述物理下行控制信道携带所述终端设备的下行数据的调度信息，所述第一接入网设备属于接入网设备集合，所述接入网集合包括至少一个接入网设备，且所述终端设备在所述至少一个接入网设备覆盖的范围内能够进行无切换的移动；
    所述接收模块，还用于根据所述调度信息，接收所述第一接入网设备发送的所述下行数据。
  58. 根据权利要求57所述的终端设备，其特征在于，所述接收模块，还用于接收所述第一接入网设备发送的所述资源配置信息，所述资源配置信息用于所述终端设备发送上行数据；
    所述发送模块，用于根据所述资源配置信息，向所述第一接入网设备发送所述上行数据。
  59. 根据权利要求58所述的终端设备，其特征在于，所述接收模块具体用于：
    接收通过所述下行数据或所述物理下行控制信道携带的所述资源配置信息。
  60. 根据权利要求58或59所述的终端设备，其特征在于，所述资源配置信息包括所述上行数据的专用资源和/或接入序列。
  61. 根据权利要求57至60中的任一项所述的终端设备，其特征在于，所述接收模块，还用于接收所述第一接入网设备发送的无线网络临时标识RNTI；
    处理模块，用于根据所述RNTI，解调所述调度信息。
  62. 根据权利要求61所述的终端设备，其特征在于，所述接收模块，具体用于：
    接收所述第一接入网设备发送的系统信息，所述系统信息携带所述RNTI。
  63. 根据权利要求57至62中任一项所述的终端设备，其特征在于，所述接收模块，还用于接收所述第一接入网设备的特征信息；
    所述接收模块具体用于：
    根据所述特征信息，接收所述第一接入网设备发送的物理下行控制信道。
  64. 根据权利要求63所述的终端设备，其特征在于，所述接收模块具体用于：
    接收所述第一接入网设备发送的系统信息，所述系统信息携带所述第一接入网设备的特征信息。
  65. 根据权利要求63或64所述的终端设备，其特征在于，所述特征信息包括时域资源信息、频域资源信息、子载波间隔信息和/或子帧结构信息。
  66. 根据权利要求57至65中任一项所述的终端设备，其特征在于，所述下行数据为用户面数据或控制面数据。
  67. 一种网络实体，其特征在于，包括：
    确定模块，用于确定接入网设备集合，所述接入网设备集合包括至少一个接入网设备，且在所述至少一个接入网设备覆盖的范围内所述终端设备能够进行无切换的移动；
    发送模块，用于向接入网设备集合中的接入网设备发送下行数据，以便于所述接入网设备将所述下行数据发送给所述终端设备。
  68. 根据权利要求67所述的网络实体，其特征在于，所述网络实体为核心网设备；
    所述发送模块，具体用于：
    向所述至少一个接入网设备中的每个接入网设备发送所述下行数据。
  69. 根据权利要求67所述的网络实体，其特征在于，所述网络实体为所述接入网设备集合中的第二接入网设备；
    所述发送模块，具体用于：
    向所述接入网设备集合中除所述第二接入网设备之外的所有接入网设备发送所述下行数据。
  70. 根据权利要求69所述的网络实体，其特征在于，所述发送模块，还用于向所述终端设备发送物理下行控制信道，所述物理下行控制信道携带所述终端设备的下行数据的调度信息；
    所述发送模块，还用于向所述终端设备发送所述下行数据。
  71. 根据权利要求67至70中任一项所述的网络实体，其特征在于，所述接收模块，还用于接收所述接入网设备集合中的第一接入网设备发送的指示信息，所述指示信息用于指示网络实体只向所述第二接入网设备发送后续下行数据；
    所述发送模块，还用于只向所述第一接入网设备发送后续下行数据。
  72. 根据权利要求67至71中任一项所述的网络实体，其特征在于，所述发送模块，还用于通过所述接入网设备集合中的接入网设备向所述终端设备发送资源配置信息，所述资源配置信息用于所述终端设备发送上行数据。
  73. 根据权利要求72所述的网络实体，其特征在于，所述资源配置信息包括所述上行数据的专用资源和/或接入序列。
  74. 根据权利要求67至73中任一项所述的网络实体，其特征在于，所述发送模块，还用于通过所述接入网设备集合中的接入网设备向所述终端设备发送所述物理下行控制信道的特征信息，所述特征信息用于指示所述终端设备接收所述物理下行控制信道。
  75. 根据权利要求74所述的网络实体，其特征在于，所述特征信息包括时域资源信息、频域资源信息、子载波间隔信息和/或子帧结构信息。
  76. 根据权利要求67至75中任一项所述的网络实体，其特征在于，所述下行数据为用户面数据或控制面数据。
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