WO2020048500A1 - Procédé et appareil de transmission de liaison montante - Google Patents

Procédé et appareil de transmission de liaison montante Download PDF

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Publication number
WO2020048500A1
WO2020048500A1 PCT/CN2019/104459 CN2019104459W WO2020048500A1 WO 2020048500 A1 WO2020048500 A1 WO 2020048500A1 CN 2019104459 W CN2019104459 W CN 2019104459W WO 2020048500 A1 WO2020048500 A1 WO 2020048500A1
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WO
WIPO (PCT)
Prior art keywords
time domain
base station
uplink
terminal
tdd
Prior art date
Application number
PCT/CN2019/104459
Other languages
English (en)
Chinese (zh)
Inventor
王建峰
楚志远
曹念伟
Original Assignee
华为技术有限公司
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Publication date
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Publication of WO2020048500A1 publication Critical patent/WO2020048500A1/fr

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    • 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
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • 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
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/15—Setup of multiple wireless link connections

Definitions

  • Embodiments of the present application relate to the field of communications technologies, and in particular, to an uplink transmission method and device.
  • FIG. 1 shows a dual connectivity (DC) scenario, that is, the terminal 101 performs wireless communication with two base stations (for example, the first base station 102 and the second base station 103) at the same time.
  • the terminal 101 can perform uplink transmission with two base stations simultaneously.
  • the first base station 102 and the second base station 103 may be base stations in different wireless communication systems, and the terminal 101 may support different wireless communication standards.
  • the first base station 102 may be an evolved base station (Evolved Node B, eNB) in a fourth generation communication technology (4G) system
  • 4G fourth generation communication technology
  • the second base station 103 may be a new air interface.
  • the next generation Node B (gNB) in the system.
  • the terminal 101 can support two wireless communication systems, LTE and NR.
  • the uplink transmit power of the terminal is limited.
  • the maximum uplink transmit power of the terminal in the EN-DC scenario under sub6G is 23 dBm.
  • the terminal can perform power control through uplink time division multiplexing (Time Division Multiplexing, TDM).
  • TDM Time Division Multiplexing
  • the embodiments of the present application provide an uplink transmission method and device, so as to reduce the loss of uplink resources.
  • an embodiment of the present application provides an uplink transmission method, including: a terminal is dual-connected with a first base station and a second base station, the terminal communicates with the first base station through time division duplex TDD, and the terminal communicates with frequency division duplex FDD and The second base station communicates, and the method includes: the terminal acquires time division multiplexing configuration information, the time division multiplexing configuration information is used to indicate TDD time domain resources; the terminal acquires TDD time domain resource configuration information communicating with the first base station, and TDD time domain The resource configuration information is used to indicate TDD non-uplink time domain resources.
  • the TDD non-uplink time domain resources are the time domain resources in the TDD time domain resources.
  • the terminal determines the FDD uplink time domain resources.
  • the FDD uplink time domain resources include the TDD non-uplink time domain resources. Part or all of the time domain resources in the; the terminal performs uplink transmission with the second base station on the FDD uplink time domain resources.
  • An embodiment of the present application provides an uplink transmission method.
  • a terminal can determine a TDD time domain resource that the terminal and the first base station can perform uplink transmission. Because in practice, when the terminal communicates with the first base station, not all TDD time domain resources in the TDD time domain resources are used, some TDD time domain resources may be in an idle state. Therefore, the terminal obtains the TDD time domain resource configuration information communicated with the first base station, so that the TDD time domain resource in the idle state among the TDD time domain resources can be determined, that is, the TDD non-uplink time domain resource. In order to improve the utilization of uplink time domain resources and reduce the loss of time domain resources, in this way, when the terminal communicates with the second base station, it can use TDD non-uplink time domain resources. This improves the uplink transmission performance.
  • the TDD time domain resource configuration information is also used to indicate TDD uplink time domain resources, where the TDD uplink time domain resources are uplink time domain resources in the TDD time domain resources; the terminal communicates with the TDD uplink time domain resources and The first base station performs uplink transmission.
  • the terminal communicates with the TDD uplink time domain resources and The first base station performs uplink transmission.
  • the time division multiplexing configuration information is used to indicate a total time domain resource and an FDD time domain resource, and the total time domain resource includes the TDD time domain resource and the FDD time domain resource, and the TDD time
  • the domain resources and the FDD time domain resources do not overlap in the time domain; the FDD uplink time domain resources also include the FDD time domain resources.
  • TDD non-uplink time domain resources be used for uplink transmission with the second base station, but also FDD time domain resources allocated by the network side for the terminal can be used for uplink transmission with the second base station. The loss of uplink time domain resources is further avoided.
  • the terminal performing uplink transmission with the second base station on the FDD uplink time domain resource includes: the terminal performing uplink data with the second base station on the FDD uplink time domain resource transmission.
  • the terminal performs uplink transmission with the second base station on the FDD uplink time domain resource, including: the terminal uses part or all of the time domain resources in the TDD non-uplink time domain resource Perform uplink data transmission with the second base station, and the terminal performs hybrid automatic retransmission on the FDD time domain resource to request HARQ feedback.
  • the terminal determining the FDD uplink time domain resource includes: the terminal determining a time domain resource other than the TDD uplink time domain resource in the total time domain resource as the FDD uplink time domain resource.
  • the method provided in the embodiment of the present application further includes: the terminal sends indication information to the second base station on the FDD time domain resource, and the indication information is used to indicate whether the second parser is correctly parsed Data sent by the base station.
  • the TDD non-uplink time domain resource is one or two of a downlink time domain resource in the TDD time domain resource and a flexible time domain resource in the TDD time domain resource.
  • an embodiment of the present application provides a communication method, including: a second base station sending time division multiplexing configuration information to a terminal, where the time division multiplexing configuration information is used to indicate TDD time domain resources; TDD time domain resource configuration information for base station communication, TDD time domain resource configuration information is used to indicate TDD non-uplink time domain resources, TDD non-uplink time domain resources are time domain resources in TDD time domain resources; when the second base station is in FDD uplink The uplink transmission of the terminal is received on a domain resource.
  • the FDD uplink time domain resource includes some or all of the time domain resources in the TDD non-uplink time domain resource.
  • the time division multiplexing configuration information is used to indicate total time domain resources and FDD time domain resources.
  • the total time domain resources include TDD time domain resources and FDD time domain resources.
  • TDD time domain resources and FDD time domain resources are in There is no overlap in the time domain;
  • FDD uplink time domain resources also include FDD time domain resources, the second base station receives uplink transmissions of the terminal on the FDD uplink time domain resources, and further includes: the second base station receives uplinks of the terminal on the FDD time domain resources transmission.
  • the second base station receiving the uplink transmission of the terminal on the FDD uplink time domain resource includes: the second base station receiving the uplink data sent by the terminal on the FDD uplink time domain resource.
  • the second base station receiving the uplink transmission of the terminal on the FDD uplink time domain resource includes: the second base station receiving the uplink data sent by the terminal on some or all of the time domain resources in the TDD non-uplink time domain resource. And HARQ feedback for hybrid automatic retransmissions sent on FDD time domain resources.
  • the TDD non-uplink time domain resource is one or two of a downlink time domain resource in the TDD time domain resource and a flexible time domain resource in the TDD time domain resource.
  • an embodiment of the present application provides an uplink transmission device.
  • the uplink transmission device may implement the method described in the first aspect or any possible implementation manner of the first aspect, and therefore may also implement the first aspect or the first aspect.
  • the beneficial effects in any possible implementation manner may be a terminal or a device that can support the terminal to implement the first aspect or the method in any possible implementation manner of the first aspect, such as a chip applied to the terminal.
  • the uplink transmission device may implement the foregoing method by using software, hardware, or executing corresponding software by hardware.
  • the uplink transmission device may be a terminal or a chip applied in the terminal.
  • the terminal is dual-connected with the first base station and the second base station.
  • the terminal communicates with the first base station through time division duplex TDD.
  • the terminal communicates with the second base station through frequency division duplex FDD, and the uplink transmission device includes:
  • the communication unit is configured to obtain time division multiplexing configuration information, where the time division multiplexing configuration information is used to indicate TDD time domain resources.
  • a communication unit configured to obtain TDD time domain resource configuration information for communication with the first base station, the TDD time domain resource configuration information is used to indicate TDD non-uplink time domain resources, and TDD non-uplink time domain resources are time domains in TDD time domain resources Resources.
  • the processing unit is used to determine the uplink time domain resources of FDD.
  • the FDD uplink time domain resources include some or all of the time domain resources of the non-uplink time domain resources of TDD.
  • the communication unit is configured to perform the FDD uplink time domain resources with the second base station. Upstream transmission.
  • the TDD time domain resource configuration information is also used to indicate TDD uplink time domain resources, and the TDD uplink time domain resources are uplink time domain resources in the TDD time domain resources; the communication unit is also used to uplink the TDD Perform uplink transmission with the first base station on time domain resources.
  • the time division multiplexing configuration information is used to indicate a total time domain resource and an FDD time domain resource, and the total time domain resource includes the TDD time domain resource and the FDD time domain resource, and the TDD time domain resource. It does not overlap with FDD time domain resources in time domain; FDD uplink time domain resources also include FDD time domain resources.
  • the communication unit is further configured to perform uplink transmission with the second base station on the FDD time domain resource.
  • the communication unit is specifically configured to perform uplink data transmission with the second base station on the FDD uplink time domain resource.
  • the communication unit is specifically configured to perform uplink data transmission with the second base station on part or all of the TDD non-uplink time domain resources, and perform mixing on the FDD time domain resources. Automatic retransmission requests HARQ feedback.
  • the processing unit is specifically configured to determine time domain resources other than TDD uplink time domain resources in the total time domain resources as the FDD uplink time domain resources.
  • the TDD non-uplink time domain resource is one or two of a downlink time domain resource in the TDD time domain resource and a flexible time domain resource in the TDD time domain resource.
  • an embodiment of the present application further provides an uplink transmission device.
  • the uplink transmission device may be a terminal or a chip applied to the terminal.
  • the uplink transmission device includes a processor and a transceiver.
  • the processor is configured to support the uplink transmission device to perform the steps of receiving / sending data / data on the uplink transmission device side described in any one of the possible implementation manners of the first aspect to the first aspect.
  • the processor is configured to support the uplink transmission device to perform the steps of performing message / data processing on the uplink transmission device side described in any one of the possible implementation manners of the first aspect to the first aspect.
  • the uplink transmission device may be a terminal or a chip used in the terminal.
  • the terminal is dual-connected to the first base station and the second base station.
  • the terminal communicates with the first base station through time division duplex TDD.
  • the industrial FDD communicates with the second base station, and the uplink transmission device includes a transceiver and a processor.
  • the transceiver is configured to obtain time division multiplexing configuration information, where the time division multiplexing configuration information is used to indicate TDD time domain resources.
  • a transceiver configured to obtain TDD time domain resource configuration information for communication with the first base station, the TDD time domain resource configuration information is used to indicate TDD non-uplink time domain resources, and TDD non-uplink time domain resources are time domains in TDD time domain resources Resources.
  • a processor configured to determine the FDD uplink time domain resource according to the time division multiplexing configuration information and TDD time domain resource configuration information obtained by the transceiver, and the FDD uplink time domain resource includes some or all of the time domain of the TDD non-uplink time domain resource Resources; a transceiver, configured to perform uplink transmission with the second base station on FDD uplink time domain resources.
  • the TDD time domain resource configuration information is also used to indicate TDD uplink time domain resources, and the TDD uplink time domain resources are uplink time domain resources in the TDD time domain resources; the transceiver is also used to uplink the TDD Perform uplink transmission with the first base station on time domain resources.
  • the time division multiplexing configuration information is used to indicate a total time domain resource and an FDD time domain resource, and the total time domain resource includes the TDD time domain resource and the FDD time domain resource, and the TDD time The domain resources and the FDD time domain resources do not overlap in the time domain; the FDD uplink time domain resources also include FDD time domain resources.
  • the transceiver is further configured to perform uplink transmission with the second base station on the FDD time domain resource.
  • the transceiver is specifically configured to perform uplink data transmission with the second base station on an FDD uplink time domain resource.
  • the transceiver is specifically configured to perform uplink data transmission with the second base station on part or all of time domain resources in the TDD non-uplink time domain resources, and perform hybrid automatic retransmission on the FDD time domain resources. Request HARQ feedback.
  • the processor is specifically configured to determine time domain resources other than TDD uplink time domain resources in the total time domain resources as the FDD uplink time domain resources.
  • the TDD non-uplink time domain resource is one or two of a downlink time domain resource in the TDD time domain resource and a flexible time domain resource in the TDD time domain resource.
  • the transceiver and the processor of the uplink transmission device are coupled to each other.
  • the uplink transmission device may further include a memory for storing codes and data, and the processor, the transceiver, and the memory are coupled to each other.
  • an embodiment of the present application provides a communication device, and the communication device may implement the method described in the second aspect or any one of the possible implementation manners of the second aspect, and therefore may also implement the second aspect or the second aspect Beneficial effects in any one possible implementation.
  • the communication device may be a second base station or a device that can support the second base station to implement the second aspect or the method in any possible implementation manner of the second aspect, such as a chip applied to the second base station.
  • the communication device may implement the foregoing method by using software, hardware, or executing corresponding software by hardware.
  • the communication device includes: a sending unit for sending time division multiplexing configuration information to the terminal, the time division multiplexing configuration information for indicating TDD time domain resources; and a sending unit for sending to the terminal the first base station TDD time domain resource configuration information for communication, TDD time domain resource configuration information is used to indicate TDD non-uplink time domain resources, TDD non-uplink time domain resources are time domain resources in TDD time domain resources; a receiving unit is used for FDD uplink The uplink transmission of the terminal is received on the time domain resource.
  • the FDD uplink time domain resource includes some or all of the time domain resources in the TDD non-uplink time domain resource.
  • the time division multiplexing configuration information is used to indicate a total time domain resource and an FDD time domain resource, and the total time domain resource includes the TDD time domain resource and the FDD time domain resource, and the TDD time The domain resources and the FDD time domain resources do not overlap in the time domain; the FDD uplink time domain resources also include FDD time domain resources, and the receiving unit is further configured to receive the uplink transmission of the terminal on the FDD time domain resources.
  • the communication apparatus provided in the embodiment of the present application further includes a receiving unit, which is specifically configured to receive uplink data sent by the terminal on an FDD uplink time domain resource.
  • the communication apparatus provided in the embodiment of the present application further includes a receiving unit, which is specifically configured to receive uplink data sent by the terminal on some or all of the time domain resources in the TDD non-uplink time domain resources, and in FDD The HARQ feedback is requested by a hybrid automatic repeat request sent on a time domain resource.
  • the TDD non-uplink time domain resource is one or two of a downlink time domain resource in the TDD time domain resource and a flexible time domain resource in the TDD time domain resource.
  • an embodiment of the present application further provides a communication device.
  • the communication device may be a second base station or a chip applied in the second base station.
  • the communication device includes a processor and a transceiver.
  • the transceiver is configured to support the communication device to perform the steps of receiving / sending data / data on the communication device side as described in any one of the possible implementation manners of the second aspect to the second aspect.
  • the processor is configured to support the communication device to perform the steps of performing message / data processing on the communication device side described in any one of the possible implementation manners of the second aspect to the second aspect.
  • the communication device includes: a transceiver for sending time division multiplexing configuration information to the terminal, the time division multiplexing configuration information for indicating TDD time domain resources; and a transceiver for sending to the terminal TDD time domain resources for communication with the first base station.
  • Configuration information, TDD time domain resource configuration information is used to indicate TDD non-uplink time domain resources, TDD non-uplink time domain resources are time domain resources in TDD time domain resources; transceivers are used to receive terminals on FDD uplink time domain resources For uplink transmission, FDD uplink time domain resources include some or all time domain resources among TDD non-uplink time domain resources.
  • the time division multiplexing configuration information is used to indicate a total time domain resource and an FDD time domain resource, and the total time domain resource includes the TDD time domain resource and the FDD time domain resource, and the TDD time The domain resources and the FDD time domain resources do not overlap in the time domain; the FDD uplink time domain resources also include the FDD time domain resources, and the transceiver is further configured to receive the uplink transmission of the terminal on the FDD time domain resources.
  • the TDD non-uplink time domain resource is one or two of a downlink time domain resource in the TDD time domain resource and a flexible time domain resource in the TDD time domain resource.
  • the communication apparatus provided in the embodiment of the present application further includes a transceiver, which is specifically configured to receive uplink data sent by the terminal on an FDD uplink time domain resource.
  • the communication device provided in the embodiment of the present application further includes a transceiver, which is specifically configured to receive uplink data sent by the terminal on some or all of the time domain resources in the TDD non-uplink time domain resources, and in FDD The HARQ feedback is requested by a hybrid automatic repeat request sent on a time domain resource.
  • a transceiver which is specifically configured to receive uplink data sent by the terminal on some or all of the time domain resources in the TDD non-uplink time domain resources, and in FDD
  • the HARQ feedback is requested by a hybrid automatic repeat request sent on a time domain resource.
  • the communication device may further include a processor, wherein the transceiver and the processor are coupled to each other.
  • the communication device may further include a memory for storing code and data, and the processor, the transceiver, and the memory are coupled to each other.
  • the present application provides a computer-readable storage medium.
  • the computer-readable storage medium stores instructions. When the instructions are run on a computer, the computer is caused to execute the first aspect or various possible implementations of the first aspect. An uplink transmission method described in the mode.
  • the present application provides a computer-readable storage medium.
  • the computer-readable storage medium stores instructions.
  • the instructions When the instructions are run on a computer, the computer is caused to execute the second aspect or various possible implementations of the second aspect. A method of communication described in Mode.
  • the present application provides a computer program product including instructions.
  • the instructions When the instructions are executed on a computer, the computer is caused to execute the first aspect or an uplink transmission method described in various possible implementation manners of the first aspect. .
  • the present application provides a computer program product including instructions.
  • the instructions When the instructions are run on a computer, the computer is caused to execute the second aspect or a communication method described in various possible implementation manners of the second aspect.
  • an embodiment of the present application provides a chip.
  • the chip includes a processor and an interface circuit.
  • the interface circuit is coupled to the processor.
  • the processor is configured to run a computer program or instruction to implement the first aspect or various aspects of the first aspect.
  • the interface circuit is used to communicate with other modules than the chip.
  • an embodiment of the present application provides a chip.
  • the chip includes a processor and an interface circuit.
  • the interface circuit is coupled to the processor.
  • the processor is configured to run a computer program or an instruction to implement various aspects of the second aspect or the second aspect.
  • the interface circuit is used to communicate with other modules than the chip.
  • the chip provided in the embodiment of the present application further includes a memory for storing a computer program or an instruction.
  • an embodiment of the present application provides a communication device.
  • the communication device includes one or more modules configured to implement the foregoing first, second, third, or fourth method.
  • the one Or multiple modules may correspond to the steps of the method of the first aspect, the second aspect, the third aspect, or the fourth aspect described above.
  • an embodiment of the present application provides a communication system.
  • the communication system includes: an uplink transmission device as described in various possible implementations of the third aspect, and various possible implementations of the fourth aspect.
  • a communication device is described.
  • FIG. 1 is a first schematic diagram of a communication system according to an embodiment of the present application.
  • FIG. 2 is a first schematic structural diagram of a base station according to an embodiment of the present application.
  • FIG. 3 is a second schematic structural diagram of a base station according to an embodiment of the present application.
  • FIG. 4 is a third structural schematic diagram of a base station according to an embodiment of the present application.
  • FIG. 5 is a schematic structural diagram of a terminal according to an embodiment of the present application.
  • FIG. 6a is a schematic diagram of a first seed frame configuration according to an embodiment of the present application.
  • 6b is a schematic diagram of a second seed frame configuration according to an embodiment of the present application.
  • FIG. 7 is a first schematic diagram of an uplink transmission method and a communication method interaction according to an embodiment of the present application
  • FIG. 8 is a schematic diagram of another seed frame configuration according to an embodiment of the present application.
  • FIG. 9 is a second schematic diagram of an uplink transmission method and a communication method interaction according to an embodiment of the present application.
  • FIG. 10 is a schematic diagram 3 of an uplink transmission method and communication method interaction provided by an embodiment of the present application
  • FIG. 11 is a schematic diagram of another seed frame configuration according to an embodiment of the present application.
  • FIG. 12 is another schematic diagram of subframe configuration according to an embodiment of the present application.
  • FIG. 13 is a schematic structural diagram of a communication device according to an embodiment of the present application.
  • FIG. 14 is a schematic structural diagram of an uplink transmission apparatus according to an embodiment of the present application.
  • 15 is a schematic structural diagram of another uplink transmission apparatus according to an embodiment of the present application.
  • FIG. 16 is a schematic structural diagram of another communication device according to an embodiment of the present application.
  • multiple means two or more.
  • “And / or” describes the association relationship of related objects, and indicates that there can be three kinds of relationships, for example, A and / or B can represent: the case where A exists alone, A and B exist simultaneously, and B alone exists, where A, B can be singular or plural.
  • the character “/” generally indicates that the related objects are an "or” relationship.
  • “At least one or more of the following” or similar expressions refers to any combination of these items, including any combination of single or plural items.
  • At least one (a), a, b, or c can be expressed as: a, b, c, ab, ac, bc, or abc, where a, b, and c can be single or multiple .
  • words such as “first” and “second” are used to distinguish between the same or similar items having substantially the same functions and functions. Those skilled in the art can understand that the words “first”, “second” and the like do not limit the number and execution order, and the words “first” and “second” are not necessarily different.
  • FIG. 1 shows a schematic diagram of a communication system provided by an embodiment of the present application.
  • the communication system includes: one or more terminals (one terminal is taken as an example in FIG. 1, for example, terminal 101), a first The base station 102 and the second base station 103.
  • the first base station 102 and the second base station 103 may be connected through a first interface.
  • One or more terminals wirelessly communicate with the first base station 102 and the second base station 103, for example, the terminal 101 communicates with the first base station 102 and the second base station 103, respectively.
  • the communication system shown in FIG. 1 may further include a core network, and the first base station 102 and the second base station 103 may be connected to the core network.
  • the core network may be a 4G core network (for example, Evolved Packet Core (EPC)) or a 5G core network (5G Core, 5GC).
  • EPC Evolved Packet Core
  • 5G Core 5G Core
  • the terminal 101 may be in a dual connectivity (DC) scenario.
  • One of the first base station 102 and the second base station 103 may be used as a primary base station, and the other base station may be used as a secondary base station.
  • the first base station 102 is the primary base station
  • the second base station 103 is the secondary base station.
  • the primary base station may be the first base station that the terminal 101 accesses during the random access process.
  • the primary base station is responsible for establishing a control plane connection with the control plane entity of the core network, transmitting signaling messages, and determining whether to create a secondary base station for the terminal 101.
  • the primary base station may also select a secondary base station for the terminal 101.
  • the main base station supports the signaling plane access management of the terminal 101 and the user plane offloading.
  • the secondary base station may be a second base station other than the primary base station 102, and a node for providing additional wireless resources for the terminal 101. There may be no direct control plane connection with the core network control plane entity.
  • the secondary base station supports user plane shunting of the terminal 101.
  • the first base station 102 and the second base station 103 may be base stations of the same network standard.
  • the network standards corresponding to the first base station 102 and the second base station 103 are respectively evolved NodeBs (eNBs or eNodeBs) in a 4G system.
  • the network standards corresponding to the first base station 102 and the second base station 103 may be the next generation Node B (gNB) in the NR system.
  • gNB next generation Node B
  • the first base station 102 and the second base station 103 in this embodiment of the present application may be base stations of different network standards.
  • the network standard corresponding to the first base station 102 is an eNB in a 4G system
  • the network standard corresponding to the second base station 103 is a gNB in an NR system.
  • the network standard corresponding to the first base station 102 is the gNB in the NR system
  • the network standard corresponding to the second base station 103 is the eNB in the 4G system.
  • the first base station 102 is a 3rd Generation Partnership Project (3GPP) protocol base station
  • the second base station 103 is a non-3GPP protocol base station.
  • 3GPP 3rd Generation Partnership Project
  • the first interface is an Xn interface.
  • the first interface is an X2 interface.
  • the first interface is an X2 interface.
  • the first interface is the X2 interface.
  • the network standard corresponding to the first base station 102 is the gNB in the NR system and the network standard corresponding to the second base station 103 is the eNB in the LTE system, the first interface is the X2 interface.
  • the name of the first interface is just an example, and the name of the interface between the first base station and the second base station is not limited in the embodiment of the present application.
  • a wireless Uu interface may be established between the primary base station and the terminal 101, and a wireless Uu interface may also be established between the secondary base station and the terminal 101.
  • the first base station 102 and the terminal 101 may transmit user plane data and control plane signaling through the Uu port;
  • the second base station 103 is used as the secondary base station, the second base station 103 and The terminal 101 can transmit user plane data to the terminal through a wireless Uu port.
  • the user plane of the Uu interface mainly transmits user data; the control plane transmits related signaling, and establishes, reconfigures, and releases various mobile communication radio bearer services.
  • the dual connection can be divided into dual connections in different scenarios.
  • the second base station 103 is the main base station and the first base station 102 is the secondary base station
  • dual connectivity can have the following scenarios:
  • E-UTRA-NR and Dual-Connectivity of Evolved Universal Terrestrial Radio Access (E-UTRA) and New Radio (NR).
  • the first base station 102 is a gNB in NR
  • the second base station 103 is an eNB in LTE
  • the core network is EPC.
  • the first base station 102 is an eNB in the NR
  • the second base station 103 is a gNB in the NR
  • the core network is 5GC.
  • NG Next Generation
  • RAN Radio Access Network
  • NGEN-DC NGEN-DC
  • the first base station 102 is a gNB in LTE
  • the second base station 103 is an eNB in NR
  • the core network is 5GC.
  • the duplex technology of communication between the terminal 101 and the first base station 102 and the duplex technology of communication between the terminal 102 and the second base station 103 may be different.
  • the terminal 101 communicates with the first base station 102 through a first communication duplex technology
  • the terminal 101 communicates with the second base station 103 through a second communication duplex technology.
  • the first communication duplex technology may be Frequency Division Duplexing (FDD)
  • the second communication duplex technology may be Time Division Duplexing (TDD).
  • the first communication duplex technology may be TDD
  • the second communication duplex technology may be FDD.
  • TDD may mean that uplink and downlink use the same frequency band for transmission on different time domain resources. For example, both uplink and downlink use frequency band 1 and uplink transmits on time domain resource 1. The downlink is transmitted on time domain resource 2.
  • FDD can mean that the uplink and downlink use different frequency bands to transmit on the same time domain resource. For example, both uplink and downlink use time domain resource 3, uplink uses frequency band 2 for transmission, and downlink uses frequency band 3 for transmission. transmission.
  • TDD may be TDD in long term evolution (LTE).
  • LTE long term evolution
  • TDD is configured with 7 uplink and downlink subframe configurations.
  • the base station can send one of the 7 uplink and downlink subframe configurations to the terminal 101.
  • the TDD uplink and downlink subframe ratio shown in Table 1 can indicate a downlink subframe (abbreviated as: D), an uplink subframe (abbreviated as: U), and a special subframe (abbreviated as: U).
  • the terminal 101 and the base station perform uplink transmission on the uplink subframe indicated by the TDD uplink and downlink subframe ratio, and perform downlink transmission on the downlink subframe indicated by the TDD uplink and downlink subframe ratio.
  • the special subframe is used for conversion between downlink transmission and uplink transmission.
  • TDD may be TDD in a new radio (NR) system.
  • TDD used by NR can be called dynamic TDD.
  • time-domain resources are allocated using time slots or symbols instead of subframes.
  • the base station may send time domain resource configuration information to the terminal 101.
  • the time domain resource configuration information may indicate downlink time domain resources, uplink time domain resources, and flexible time domain resources in the time domain resources.
  • the time domain resource configuration information may be It is indicated in the form of time domain resources-flexible time domain resources-uplink time domain resources.
  • NR is not limited to TDD.
  • the position and number of downlink symbols, flexible symbols, or uplink symbols in the indicated time domain resources can be determined according to the scheduling situation.
  • the spectrum of TDD in NR can be called On the spectrum.
  • FDD may be FDD in LTE.
  • LTE an uplink frequency band and a downlink frequency band can be allocated to a terminal, wherein the uplink frequency band is used for uplink transmission, and the downlink frequency band is used for downlink transmission.
  • the uplink and downlink are distinguished by different uplink and downlink frequency bands, and uplink and downlink transmissions can be performed on a time domain resource simultaneously, that is, the time domain resource is both an uplink time domain resource and a downlink time domain resource.
  • FDD may be FDD in NR.
  • uplink BWP and downlink BWP can be allocated to the terminal.
  • the time domain resources of the uplink BWP and downlink BWP can be configured according to the NR and TDD modes.
  • the time domain resources corresponding to the uplink BWP can be configured through the time domain resource configuration information.
  • the time domain resources corresponding to the uplink BWP can be configured as flexible time domain resources-uplink time domain resources through the time domain resource configuration information, and even the time domain resources corresponding to the uplink BWP can be configured as downlink time domain resources through the time domain resource configuration information- Flexible time domain resources-uplink time domain resources; time domain resources corresponding to downlink BWP can be configured through time domain resource configuration information, for example, time domain resources corresponding to downlink BWP can be configured as downlink time domain resources through flexible time domain resource configuration information Domain resources, and even time domain resource configuration information can be used to configure the time domain resources corresponding to the downlink BWP as downlink time domain resources-flexible time domain resources-uplink time domain resources.
  • the spectrum of FDD in NR can be called unpaired spectrum, and TDD and / or FDD in NR can be called flexible duplex.
  • the TDD and / or FDD in the embodiments of the present application may include TDD and / or FDD in future communication system evolution.
  • the names of TDD and / or FDD may change, and they may all include TDD and / or in the embodiments of the present application. FDD.
  • a terminal is a device that provides voice and / or data connectivity to a user, for example, a handheld device with a wireless connection function, a vehicle-mounted device, and the like.
  • the terminal can also be called user equipment (User Equipment), access terminal (Access terminal), user unit (User unit), user station (Mobile), mobile station (Mobile), mobile station (Mobile), remote Station (Remote Station), remote terminal (Remote Terminal), mobile device (Mobile Equipment), user terminal (User Terminal), wireless communication equipment (Wireless Telecom Equipment), user agent (User Agent), user equipment (User Equipment) or User device.
  • the terminal can be a station (Station) in a Wireless Local Area Networks (WLAN), a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a wireless local loop (Wireless Local Loop) , WLL) stations, Personal Digital Processing (PDA) devices, handheld devices with wireless communication capabilities, computing devices or other processing devices connected to wireless modems, in-vehicle devices, wearable devices, and next-generation communication systems (such as , A terminal in a fifth generation (Fifth-Generation (5G) communication network) or a terminal in a future evolved Public Land Mobile Network (PLMN) network.
  • 5G can also be called New Radio (NR).
  • NR New Radio
  • the terminal may also be a wearable device.
  • Wearable devices can also be referred to as wearable smart devices. They are the general name for applying wearable technology to intelligently design daily wear and develop wearable devices, such as glasses, gloves, watches, clothing and shoes.
  • a wearable device is a device that is worn directly on the body or is integrated into the user's clothing or accessories. Wearable devices are not only a hardware device, but also powerful functions through software support, data interaction, and cloud interaction.
  • Broad-spectrum wearable smart devices include full-featured, large-sized, full or partial functions that do not rely on smart phones, such as smart watches or smart glasses, and only focus on certain types of application functions, and need to cooperate with other devices such as smart phones Use, such as smart bracelets, smart jewelry, etc. for physical signs monitoring.
  • the base station is an entity that can be used in conjunction with the terminal to transmit or receive signals.
  • it can be an evolved base station (evolved NodeB, eNB or eNodeB) in a long term evolution (LTE), or a relay station or an access point, or an in-vehicle device, a wearable device, and a base station in a future 5G network or Base station preparation in future evolved PLMN networks.
  • eNB evolved NodeB
  • eNodeB evolved NodeB
  • LTE long term evolution
  • the base station provides services for the cell
  • the terminal performs wireless communication with the base station through transmission resources (for example, time domain resources, or frequency domain resources, or time-frequency resources) used by the cell.
  • the cell may be a cell corresponding to a base station, the cell may belong to a macro base station, or may belong to a base station corresponding to a small cell.
  • the small cells here may include: urban cells, micro cells, micro cells, pico cells, femto cells, etc. These small cells have a small coverage area and low transmit power.
  • C-RAN cloud radio access network
  • CU central unit
  • DU distributed unit
  • the CU parts of multiple base stations are integrated together to form a large-scale functional entity.
  • Multiple DUs can be centrally controlled by one CU.
  • CU and DU can be divided according to the protocol layer of the wireless network, such as the packet data convergence layer protocol layer (PDCP) and the above protocol layers (for example, radio resource control (RRC) )
  • PDCP packet data convergence layer protocol layer
  • RRC radio resource control
  • the function is set on the CU.
  • the functions of the protocol layers below PDCP such as radio link control (RLC), medium access control (MAC), and physical layer (PHY), are set in the DU.
  • RLC radio link control
  • MAC medium access control
  • PHY physical layer
  • the division of the protocol layer shown in FIG. 2 is only an example. It can also be divided at other protocol layers, for example, at the RLC layer.
  • the functions of the RLC layer and above protocol layers are set at the CU and below the RLC layer.
  • the function of the protocol layer is set in the DU. Or, it is divided in a certain protocol layer, for example, setting some functions of the RLC layer and functions of the protocol layer above the RLC layer in the CU, and setting the remaining functions of the RLC layer and functions of the protocol layer below the RLC layer in the DU.
  • control plane (CP) and user plane (UP) of the CU can also be separated and separated into different entities for control.
  • CU entity CU-CP entity
  • CU-UP entity CU entity
  • the data generated by the CU can be sent to the terminal through the DU.
  • the data generated by the terminal can be sent to the CU through the DU.
  • the DU can pass the protocol layer to the terminal or the CU without parsing the data.
  • the data of the RRC or PDCP layer will eventually be processed as data of the physical layer (PHY) and sent to the terminal, or the received data of the PHY layer will be transformed.
  • the RRC or PDCP layer data can also be considered to be sent by the DU.
  • the CU is divided into the base stations in the RAN.
  • the CU may be divided into the base stations in the core network CN, which is not limited herein.
  • the devices in the following embodiments of the present application may be located at a terminal or a base station according to the functions they implement.
  • the base station may be a CU node, or a DU node, or a RAN device including the functions of the CU node and the DU node.
  • FIG. 4 is a schematic structural diagram of a base station.
  • first base station and the second base station reference may be made to the structure shown in FIG. 4.
  • the base station includes at least one processor 1111, at least one memory 1112, at least one transceiver 1113, at least one network interface 1114, and one or more antennas 1115.
  • the processor 1111, the memory 1112, and the transceiver 1113 are connected to the network interface 1114, for example, through a bus.
  • the antenna 1115 is connected to the transceiver 1113.
  • the network interface 1114 is used to enable the base station to connect with other communication devices through a communication link, for example, the base station is connected to a core network element through an S1 interface / NG interface.
  • the connection may include various interfaces, transmission lines, or buses, which is not limited in this embodiment.
  • the processor in the embodiment of the present application may include at least one of the following types: a general-purpose central processing unit (Central Processing Unit), a digital signal processor (Digital Signal Processor, DSP), a microprocessor, Application-Specific Integrated Circuit (ASIC), Microcontroller Unit (MCU), Field Programmable Gate Array (FPGA), or integrated circuit for implementing logic operations .
  • the processor 1111 may be a single-core processor or a multi-core processor.
  • the at least one processor 1111 may be integrated in one chip or located on multiple different chips.
  • the memory in the embodiment of the present application may include at least one of the following types: read-only memory (ROM) or other types of static storage devices that can store static information and instructions, and random access memory (random access memory, RAM) or other types of dynamic storage devices that can store information and instructions, can also be electrically erasable programmable read-only memory (Electrically Programmabler-only memory, EEPROM).
  • ROM read-only memory
  • RAM random access memory
  • EEPROM electrically erasable programmable read-only memory
  • the memory can also be a compact disc (read-only memory, CD-ROM) or other disc storage, disc storage (including compact discs, laser discs, optical discs, digital versatile discs, Blu-ray discs, etc.) , Magnetic disk storage media or other magnetic storage devices, or any other medium that can be used to carry or store desired program code in the form of instructions or data structures and can be accessed by a computer, but is not limited to this.
  • CD-ROM compact disc
  • disc storage including compact discs, laser discs, optical discs, digital versatile discs, Blu-ray discs, etc.
  • Magnetic disk storage media or other magnetic storage devices or any other medium that can be used to carry or store desired program code in the form of instructions or data structures and can be accessed by a computer, but is not limited to this.
  • the memory 1112 may exist independently and is connected to the processor 1111.
  • the memory 1112 may also be integrated with the processor 1111, for example, integrated into a chip.
  • the memory 1112 can store program code that executes the technical solutions of the embodiments of the present application, and is controlled and executed by the processor 1111.
  • the executed computer program codes can also be regarded as the driver of the processor 1111.
  • the processor 1111 is configured to execute computer program code stored in the memory 1112, so as to implement the technical solution in the embodiment of the present application.
  • the transceiver 1113 may be used to support reception or transmission of radio frequency signals between the base station and the terminal, and the transceiver 1113 may be connected to the antenna 1115.
  • the transceiver 1113 includes a transmitter Tx and a receiver Rx.
  • one or more antennas 1115 may receive a radio frequency signal
  • a receiver Rx of the transceiver 1113 is configured to receive the radio frequency signal from the antenna, convert the radio frequency signal into a digital baseband signal or a digital intermediate frequency signal, and convert the digital
  • the baseband signal or the digital intermediate frequency signal is provided to the processor 1111, so that the processor 1111 performs further processing on the digital baseband signal or the digital intermediate frequency signal, such as demodulation processing and decoding processing.
  • the transmitter Tx in the transceiver 1113 is also used to receive the modulated digital baseband signal or digital intermediate frequency signal from the processor 1111, and convert the modulated digital baseband signal or digital intermediate frequency signal into a radio frequency signal, and pass a Or multiple antennas 1115 send the radio frequency signal.
  • the receiver Rx may selectively perform one or more levels of downmix processing and analog-to-digital conversion processing on the radio frequency signal to obtain a digital baseband signal or a digital intermediate frequency signal.
  • the sequence is adjustable.
  • the transmitter Tx can selectively perform one or more levels of upmixing processing and digital-to-analog conversion processing on the modulated digital baseband signal or digital intermediate frequency signal to obtain a radio frequency signal.
  • the upmixing processing and digital-to-analog conversion processing The sequence is adjustable.
  • Digital baseband signals and digital intermediate frequency signals can be collectively referred to as digital signals.
  • FIG. 5 it is a schematic structural diagram of a terminal according to an embodiment of the present application.
  • the structure of the terminal 101 reference may be made to the structure shown in FIG.
  • the terminal includes at least one processor 1211, at least one transceiver 1212, and at least one memory 1213.
  • the processor 1211, the memory 1213, and the transceiver 1212 are connected.
  • the terminal 121 may further include an output device 1214, an input device 1215, and one or more antennas 1216.
  • the antenna 1216 is connected to the transceiver 1212, and the output device 1214 and the input device 1215 are connected to the processor 1211.
  • transceiver 1212 For the transceiver 1212, the memory 1213, and the antenna 1216, reference may be made to the related description in FIG. 4 to implement similar functions.
  • the processor 1211 may be a baseband processor or a CPU.
  • the baseband processor and the CPU may be integrated or separated.
  • the processor 1211 may be used to implement various functions for the terminal, for example, to process a communication protocol and communication data, or to control the entire terminal device, execute a software program, and process data of the software program; or to assist completion A computing processing task, such as graphic image processing or audio processing; or the processor 1211 is configured to implement one or more of the foregoing functions.
  • the output device 1214 communicates with the processor 1211 and can display information in a variety of ways.
  • the output device 1214 may be a liquid crystal display (LCD), a light emitting diode (LED) display device, a cathode ray tube (CRT) display device, or a projector. Wait.
  • the input device 1215 is in communication with the processor 1211 and can accept user input in a variety of ways.
  • the input device 1215 may be a mouse, a keyboard, a touch screen device, or a sensing device.
  • the uplink transmission power of the terminal 101 may be limited.
  • the uplink time division multiplexing TDM mode may be used to solve the problem of the limited uplink transmission power of the terminal 101.
  • the uplink time domain resources between the terminal 101 and the first base station 102 and the uplink time domain resources between the terminal 101 and the second base station 103 are different.
  • the terminal 101 sends an uplink to the first base station 102 on the uplink time domain resource 1.
  • the terminal 101 sends an uplink on the uplink time domain resource 2 to the second base station 103, and the uplink time domain resource 1 and the uplink time domain resource 2 do not overlap in the time domain.
  • the terminal 101 can transmit the uplink transmission power to the first base station 102 and the terminal 101 can transmit the uplink transmission power to the second base station 103 to the maximum uplink transmission power.
  • the uplink transmit power of the terminal in sub6G is 23 dBm.
  • the terminal 101 sends an uplink transmission maximum transmit power of 23 dBm to the second base station 103, and the terminal 101 sends an uplink to the first base station 102.
  • the maximum transmission power is 23dBm.
  • Table 1 can also be used as a TDM-pattern configuration (PatternConfig). Taking Table 1 as an example, Table 1 shows 7 TDM-Pattern Configs.
  • the network side can indicate to the terminal one of the above 7 TDM-Pattern Configs according to actual needs. For example, if the terminal is required to perform uplink transmission to the second base station on more time domain resources, the terminal may be configured with TDM-PatternConfig corresponding to index 0.
  • the terminal and the network side may agree or the network side may instruct the terminal 101 to send uplink transmission to the first base station 102 on the time domain resource corresponding to the “D / S” subframe, and in the time domain corresponding to the “U” subframe
  • the resource sends an uplink transmission to the second base station 103.
  • the terminal and the network side may agree or the network side may instruct the terminal 101 to send the uplink transmission to the first base station 102 on the time domain resource corresponding to the “U” subframe, and the time domain corresponding to the “D / S” subframe.
  • the resource sends an uplink transmission to the second base station 103.
  • the terminal 101 can determine the uplink time domain resource corresponding to the “D / S” subframe and the uplink time domain resource corresponding to the “U” subframe.
  • the uplink time domain resource corresponding to the subframe performs uplink transmission with the first base station 102
  • the uplink time domain resource corresponding to the "U" subframe performs uplink transmission with the second base station 103, so that the terminal 101 can implement the first base station 102 and the first base station 102.
  • the time domain resources sent by the two base stations 103 for uplink transmission will not overlap, thereby achieving TDM.
  • the terminal performs uplink scheduling in full accordance with the TDM-PatternConfig configured on the network side, a part of the time domain resources cannot be used for LTE uplink or NR uplink, resulting in low uplink time domain resource utilization.
  • the following description uses the first base station 102 as the gNB, the second base station 103 as the eNB, and the terminal 101 and the first base station 102 communicate using TDD technology, and the terminal 101 and the second base station 103 communicate using FDD technology as an example.
  • the TDM-PatternConfig configured for the terminal on the network side is the configuration corresponding to index 2 in Table 1 (that is, DSUDDDSUDD).
  • the time domain resources corresponding to the “D / S” subframes agreed between the network side and the terminal can be used for uplink transmission between the terminal 101 and the first base station 102 (ie, TDD time domain resources), and the “U” subframes correspond to
  • the time domain resources can be used for the terminal 101 and the second base station 103 to perform uplink transmission (ie, FDD time domain resources) as an example.
  • the terminal 101 communicates with the second base station 103 through FDD.
  • the network side can configure the time domain resources corresponding to TDM-PatternConfig for the terminal 101 for uplink transmission with the second base station 103, that is, the time domain resources corresponding to TDM-PatternConfig are uplinked. Time domain resources.
  • the time domain resource configuration information that the network side can configure for the terminal 101 and the first base station 102 is 8: 2 slot ratio (when the subcarrier interval is 30 kHz in Figure 6a, 1 ms includes 2 time slots, and each time slot occupies 0.5ms is taken as an example).
  • the time domain resource configuration information configured by the network side for the terminal and the first base station 102 is DDDDDDDSUU.
  • the terminal 101 may combine the "D / S" subframe in the TDM-PatternConfig and the time domain resource configuration information with the first base station 102 to determine the uplink time domain resources (i.e., the terminal 101 can perform uplink transmission with the first base station 102 (i.e. TDD uplink time domain resources).
  • the uplink time domain resources corresponding to the TDM-PatternConfig "D / S" subframe include: time slot 8, time slot 9, time slot 18, and time slot 19.
  • time slot 8 and time slot 9 correspond to subframe 5
  • time slot 18 and time slot 19 correspond to subframe 9. That is, the terminal performs uplink transmission to the first base station 102 on all time domain resources or part of time domain resources in time slot 8, time slot 9, time slot 18, and time slot 19.
  • the terminal 101 may determine an uplink time domain resource (that is, an FDD uplink time domain resource) corresponding to the "U" subframe of the TDM-PatternConfig in combination with the "U" subframe in the TDM-PatternConfig.
  • the terminal 11 may perform uplink transmission with the second base station 103 in the uplink time domain resource corresponding to the "U" subframe in the TDM-PatternConfig.
  • the uplink time domain resources corresponding to the "U" subframe in TDM-PatternConfig include: subframe 2 and subframe 7. That is, the terminal may perform uplink transmission with the second base station 103 on all the time domain resources or part of the time domain resources in the subframes 2 and 7.
  • subframe 0, subframe 1, subframe 5, and subframe 6 are neither used as the time domain resource between the terminal 101 and the base station 102, nor are they used as the resources between the terminal 101 and the base station 103
  • the time domain resources in between are idle, which causes a waste of uplink time domain resources.
  • uplink time domain resource allocation is performed according to the instruction of TDM-PatternConfig, a large amount of uplink time domain resources will be wasted.
  • an embodiment of the present application provides an uplink transmission method.
  • the terminal 101 can determine TDD time domain resources that the terminal 101 and the first base station 102 can perform uplink transmission. Because the terminal does not use all the TDD time domain resources in the TDD time domain resource when communicating with the first base station 102 in practice, the terminal 101 obtains the TDD time domain resource configuration information for communication with the first base station 102, so that the TDD time can be determined.
  • TDD time domain resources that cannot be used for uplink transmission such as TDD non-uplink time domain resources, the terminal 101 may use TDD non-uplink time domain resources when communicating with the second base station 103.
  • the utilization rate of uplink time domain resources can be improved, the loss of uplink time domain resources can be reduced, and the uplink transmission performance can be greatly improved.
  • the time domain resource may be a continuous or non-continuous time domain resource.
  • the time domain resource may include continuous or non-continuous 1 or more symbols, and some or all of the 1 or more symbols.
  • a symbol can belong to one or more time slots.
  • TDD time domain resources refer to the time domain resources that can be used when the terminal uses TDD technology to communicate with the base station.
  • the TDD time domain resource can be configured for the terminal on the network side.
  • FDD time domain resource refers to the time domain resource that can be used when the terminal uses FDD technology to communicate with the base station.
  • the FDD time domain resource can be configured for the terminal on the network side.
  • TDD non-uplink time domain resources refer to time domain resources in idle state when the terminal uses TDD technology to communicate with the base station, such as non-uplink time domain resources in TDD time domain resources. It may refer to a part of the uplink time domain resources that are not used by the terminal among the time domain resources that the network side configures for the terminal and can perform uplink transmission with the base station. For example, in FIG. 6a, all or part of the time domain resources corresponding to subframe 0, subframe 1, subframe 5, and subframe 6 correspond.
  • the TDD time domain resource configuration information may include cell-level semi-static configuration information, user-level semi-static configuration information, and user-level dynamic configuration information, which may be collectively referred to as time-domain resource configuration information.
  • the time slot when a time slot is used for uplink transmission, the time slot can be referred to as an uplink time slot, and the time domain resource corresponding to the time slot becomes the uplink time domain resource. All symbols in the slot are ascending symbols.
  • the time slot When a time slot is used for downlink transmission, the time slot can be referred to as a downlink time slot. At this time, all symbols in the time slot are downlink symbols.
  • the symbol When a symbol is used for uplink transmission, the symbol can be called an uplink symbol.
  • the symbol When a symbol is used for downlink transmission, the symbol can be called a downlink symbol.
  • all or part of the time domain resources corresponding to the subframe may be uplink time domain resources.
  • all or part of the time domain resources corresponding to the subframe may be uplink time domain resources.
  • all or part of the time domain resources corresponding to the flexible subframe can be made into flexible time domain resources.
  • the second base station 103 is used as the eNB, and the terminal 101 communicates with the FDD technology.
  • the first base station 102 is a gNB, and the first base station 102 and the terminal 101 communicate using TDD technology as an example for description.
  • the second base station 103 may be a primary base station, and the first base station 102 may be a secondary base station.
  • the second base station 103 may be a primary base station, and the first base station 102 may be a secondary base station.
  • the first base station 102 may be a primary base station, and the second base station 103 may be a secondary base station.
  • the first base station 102 is a primary base station and the second base station 103 is a secondary base station.
  • the solution in the embodiment of the present application may also be applied to the second base station 103 may also be a gNB, the first base station 102 may also be a gNB, or the second base station 103 may also be an eNB, and the first base station 102 may also be For any scenario such as eNB, this embodiment of the present application does not limit this.
  • the embodiment of the present application provides a method for executing an uplink transmission method, which may be a terminal or a device applied to the terminal, such as a chip.
  • a communication method may be performed by a base station or a device applied to the base station, such as a chip.
  • only the execution subject of the uplink transmission method is a terminal, and the execution subject of the communication method is a base station.
  • FIG. 7 is a schematic flowchart of an uplink transmission method according to an embodiment of the present application.
  • the terminal 101 and the first base station 102 and the second base station 103 have dual connections.
  • a base station 102 uses TDD technology to communicate, and a terminal 101 and a second base station 103 use FDD technology to communicate.
  • one of the first base station 102 and the second base station 103 may be a primary base station and the other is a secondary base station.
  • the first base station 102 is a primary base station and the second base station 103 is a secondary base station.
  • the second base station 103 is the primary base station, and the first base station 102 is the secondary base station.
  • the network systems corresponding to the first base station 102 and the second base station 103 may adopt the descriptions in the foregoing embodiments.
  • the first base station 102 may be a gNB and the second base station 103 may be an eNB. .
  • the method includes:
  • the second base station 103 sends time division multiplexing configuration information to the terminal 101, where the time division multiplexing configuration information is used to indicate a TDD time domain resource for the terminal to communicate with the first base station.
  • the time division multiplexing configuration information may indicate one of the time division multiplexing configurations indicated in Table 1 above.
  • the time division may be indicated by indicating an index in Table 1.
  • Reuse configuration For example, the time division multiplexing configuration information is index 0, and the time division multiplexing configuration indicated by index 0 is DSUDDDSUDD.
  • the terminal 101 and the network side may agree or the network side may instruct the terminal 101 to perform with the first base station 102 and the second base station 103 on different types of subframes in the time division multiplexing configuration.
  • the terminal 101 may perform uplink transmission with the first base station 102 on the time domain resources corresponding to the “D / S” subframe, and perform uplink transmission with the second base station 103 on the time domain resources corresponding to the “U” subframe. .
  • the time-division multiplexing configuration information is used to indicate TDD time-domain resources.
  • the TDD time-domain resources can be understood as all or part of the time-domain resources corresponding to the subframe type that the terminal 101 and the first base station 102 perform uplink transmission indicated by the time-division multiplexing configuration information.
  • the time division multiplexing indicated by index 0 is configured with subframe No. 0, subframe No. 1, subframe No. 3, subframe No. 4, subframe No. 5, subframe No. 6, and subframe No. 8.
  • subframe 9 are "D / S" subframes, then subframe 0, subframe 1, subframe 3, subframe 4, subframe 5, subframe 6, subframe 8, and All or part of the time domain resources corresponding to the subframe 9 are TDD time domain resources.
  • the time division multiplexing configuration information may also be sent by the first base station 102 to the terminal 101.
  • both the first base station 102 and the second base station 103 may store the time division multiplexing configuration information.
  • the time division multiplexing configuration information is used to refer to FDD time domain resources, and the FDD time domain resources can be understood as all or part of the subframe type corresponding to the uplink transmission between the terminal 101 and the second base station 102 indicated by the time division multiplexing configuration information. Time domain resources.
  • the time division multiplexing indicated by index 0 configures subframes 2 and 7 as "U" subframes, and then all or part of the time domain resources corresponding to subframes 2 and 7 FDD time domain resource.
  • the TDD time domain resources and FDD time domain resources indicated by the time division multiplexing configuration information may be referred to as total time domain resources.
  • the terminal 101 acquires time division multiplexing configuration information.
  • the terminal 101 may obtain the time division multiplexing configuration information from the second base station 103 / the first base station 102 in S101.
  • the terminal 101 may also obtain time division multiplexing configuration information from its own configuration.
  • S101 may be omitted.
  • the first base station 102 sends the TDD time domain resource configuration information of the first base station 102 to the terminal 101.
  • the TDD time domain resource configuration information is used to indicate TDD non-uplink time domain resources, and TDD non-uplink time domain resources are among TDD time domain resources. Time domain resources.
  • the TDD time domain resource configuration information is used to indicate one or more of an uplink time domain resource, a downlink time domain resource, and a flexible time domain resource among the TDD time domain resources.
  • the TDD time domain resource configuration information is used to indicate at least one time slot and a symbol type in each time slot in the at least one time slot.
  • the symbol type may be an uplink symbol, a downlink symbol, or a flexible symbol.
  • the TDD time domain resource configuration information may be one or more of cell-level semi-static configuration information, user-level semi-static configuration information, and user-level dynamic configuration information.
  • the TDD time-domain resource configuration information may be a cell Level semi-static configuration information; or, TDD time domain resource configuration information may be cell-level semi-static configuration information and user-level semi-static configuration information; or, TDD time-domain resource configuration information may be cell-level semi-static configuration information and user-level dynamic Configuration information; or, TDD time domain resource configuration information may be cell-level semi-static configuration information, user-level semi-static configuration information, and user-level dynamic configuration information.
  • the cell-level semi-static configuration information can be understood as time domain resource configuration information that is valid for a terminal in the cell, and can be carried in a broadcast message, for example.
  • the user-level semi-static configuration information can be understood as further configuration of the flexible time domain resources configured by the cell-level semi-static configuration information for a specific terminal, for example, the flexible time domain resources configured by the cell-level semi-static configuration information.
  • the flexible symbol is further configured as an uplink symbol or a flexible symbol.
  • user-level semi-static configuration information may be carried in a Radio Resource Control (Radio Resource Control, RRC) message.
  • Radio Resource Control Radio Resource Control
  • the user-level dynamic configuration information can be understood as further configuration of the flexible time domain resources configured by the cell-level semi-static configuration information or the user-level semi-static configuration information for a specific terminal.
  • the cell-level semi-static configuration information is configured.
  • Flexible symbols in flexible time domain resources are further configured as uplink symbols or flexible symbols, or flexible symbols in flexible time domain resources configured by user-level semi-static configuration information are further configured as uplink symbols or flexible symbols, for example, user-level dynamics.
  • the configuration information may be carried in downlink control information (DCI).
  • DCI downlink control information
  • the TDD time domain resource configuration information may indicate one or more of an uplink time domain resource, a downlink time domain resource, and a flexible time domain resource among the TDD time domain resources.
  • the time division multiplexing configuration information is also used to indicate FDD time domain resources.
  • the TDD time domain resource configuration information may indicate uplink time domain resources and downlink time among the total time domain resources indicated by the time division multiplexing configuration information.
  • the TDD time domain resource configuration information may indicate that the time slot pattern in the total time domain resource indicated by the time division multiplexing configuration information is DDDDDDDSUU.
  • the S time slot is a special time slot and may include one or two of a downlink symbol, a flexible symbol, and an uplink symbol.
  • the S time slot may be used for the terminal 101 and the first time slot.
  • the uplink transmission of a base station 102 for example, the uplink symbol in the S-slot can be used for uplink transmission between the terminal 101 and the first base station 102.
  • all symbols in the S time slot are used as an example for illustration.
  • the first base station 102 cannot use the S time slot to perform uplink transmission with the first base station 102.
  • the terminal 101 may perform uplink transmission with the first base station 102 by using the uplink symbol in the S-slot.
  • time slot 0 to time slot 6 (including time slot 0, time slot 1, time slot 2 ... time slot 6 is shown for convenience of description as time slot 0 to time slot 6. (Similar elsewhere) and time slot 10-time slot 16 are downlink time slots, then each time slot in time slot 0-time slot 6 and time slot 10-time slot 16 is used by the terminal 101 to perform downlink with the first base station 102 transmission. Therefore, the terminal 101 cannot perform uplink transmission with the first base station 102 on all time domain resources corresponding to each of the time slots 0 to 6 and time slots 10 to 16.
  • Time slots 7 and 17 are flexible time slots, and time slots 8, 9 and 18 and 19 are uplink time slots.
  • the terminal 101 may perform uplink transmission with the first base station 102 on all or part of the time domain resources corresponding to time slots 7 to 9 and time slots 17 to 19. It should be noted that time slot 7 and time slot 17 are flexible time slots, and all symbols in time slot 7 and time slot 17 can be flexible symbols. For at least one flexible symbol, the base station 102 can further configure the user level semi-statically. Information or user-level dynamic configuration information, such as configuring the at least one flexible symbol as an uplink symbol or a downlink symbol.
  • the TDD time domain resource configuration information may indicate one or more of an uplink time domain resource, a downlink time domain resource, and a flexible time domain resource among the TDD time domain resources.
  • the TDD time domain resource configuration information may indicate that the time slot pattern in the TDD time domain resource is DDDDDSUUDDDDDSUU.
  • the TDD time domain resource configuration information may indicate at least one of downlink time domain resources, flexible time domain resources, and uplink time domain resources in the TDD time domain resources, for example, subframe 0, subframe 1, and 3 All or part of the time domain resources corresponding to the subframe, subframe 4, subframe 5, subframe 6, subframe 8, and subframe 9 are TDD time domain resources, and TDD time domain resource configuration information can be indicated separately Subframe 0 (slots 0 and 1), Subframe 1 (slots 2 and 3), Subframe 3 (slots 6 and 7), and 4 Subframes (slots 8 and 9), subframes 5 (slots 10 and 11), subframes 6 (slots 12 and 13), and subframes 8 (Slots 16 and 17) and at least one of uplink time domain resources, downlink time domain resources, and flexible time domain resources in subframes 9 (slots 18 and 19), such as
  • the time domain resource configuration information may indicate that the time domain resources corresponding to subframe 0, subframe 1, subframe 5 and subframe 6 are
  • Half of the time domain resources are flexible time domain resources
  • the time domain resources corresponding to subframe 4 are uplink time domain resources
  • the first half of the time domain resources (time slot 16) corresponding to subframe 8 are In the downlink time domain resource
  • the second half of the time domain resource (slot 17) corresponding to the subframe 8 is a flexible time domain resource
  • the time domain resource corresponding to the subframe 9 is an uplink time domain resource.
  • the TDD time domain resource configuration information is used to indicate TDD non-uplink time domain resources.
  • the TDD non-uplink time domain resources are at least one of downlink time domain resources and flexible time domain resources among the TDD time domain resources.
  • the TDD non-uplink time domain resource is a downlink time domain resource among the TDD time domain resources.
  • the TDD non-uplink time domain resource is a flexible time domain resource among the TDD time domain resources.
  • the TDD non-uplink time domain resources are downlink time domain resources and flexible time domain resources among the TDD time domain resources.
  • the TDD non-uplink time domain resource is number 0. Subframes (slots 0 and 1), subframes 1 (slots 2 and 3), subframes 3 (slots 6 and 7), and subframes 5 (Slots 10 and 11), subframes 6 (slots 12 and 13), and subframes 8 (slots 16 and 17).
  • the TDD time domain resource configuration information of the first base station 102 can also be sent to the terminal 101 by the second base station 103.
  • the first base station 102 is a secondary base station, which can send the terminal to the terminal through the second base station 103 (primary base station).
  • 101 sends TDD time domain resource configuration information; or
  • the first base station 102 is the master base station, which can send TDD time domain resource configuration information to the terminal 101 through the second base station 103 (secondary base station).
  • the first base station 102 in S103 may be replaced with the second base station 103.
  • the TDD time domain resource configuration information of the first base station 102 included in the second base station 103 may be sent by the first base station 102 to the second base station 103, or may be sent by the core network to the second base station 103.
  • this embodiment of the present application does not limit this.
  • the terminal 101 itself has the time division multiplexing configuration shown in Table 1 in LTE, the time division multiplexing configuration information and time domain resource configuration information sent by the first base station 102 or the second base station 103 You can configure the corresponding index for a certain configuration.
  • steps S101 and S103 may be omitted.
  • the terminal 101 acquires TDD time domain resource configuration information of the first base station 102.
  • the terminal 101 may receive TDD time domain resource configuration information from the first base station 102 or the second base station 103. It can be understood that if the terminal itself has TDD time domain resource configuration information, S104 can be omitted.
  • the terminal 101 determines FDD uplink time domain resources, and the FDD uplink time domain resources include some or all of the TDD non-uplink time domain resources.
  • the TDD non-uplink time domain resources include: subframe 0 (slots 0 and 1), subframe 1 (slots 2 and 3), and 3 Subframes (slots 6 and 7), subframes 5 (slots 10 and 11), subframes 6 (slots 12 and 13), and subframes 8 (Slots 16 and 17),
  • the FDD uplink time domain resources include: subframe 0 (slot 0 and slot 1), subframe 1 (slot 2 and slot 3) ), Subframe 3 (slots 6 and 7), subframe 5 (slots 10 and 11), subframe 6 (slots 12 and 13), and Part or all of the time domain resources in the 8th subframe (16th slot and 17th slot).
  • the power is less than or equal to 23 dBm.
  • the time domain resources corresponding to the "D / S" subframe in TDM-PatternConfig overlap with all or part of the time domain resources corresponding to the uplink time slots or flexible time slots in the TDD time domain resource configuration information, even if the Part of the time domain resources corresponding to the "D / S" subframe is idle, and the terminal does not send uplink transmission to the eNB on the part of time domain resources corresponding to the "D / S" subframe.
  • the time domain resource corresponding to time slot 7 is a part of the time domain resources of all the time domain resources corresponding to subframe 3, although the terminal 101 can forward the time domain resource corresponding to time slot 7
  • the gNB sends uplink transmission, but in order to avoid that the power of the terminal 101 exceeds 23 dBm, the terminal 101 only performs uplink transmission with the gNB in the subframe No. 3.
  • the terminal 101 performs uplink transmission with the second base station 103 on the FDD uplink time domain resource.
  • the terminal 101 may be in subframe 0 (slots 0 and 1), subframe 1 (slots 2 and 3), and subframe 3 (6 Time slot and 7 time slot), subframe 5 (time slot 10 and time slot 11), subframe 6 (time slot 12 and time slot 13), and subframe 8 (time 16 Slot and slot 17) perform uplink transmission with the second base station 103 on some or all of the time domain resources.
  • the second base station 103 receives the uplink transmission of the terminal 101 on the FDD uplink time domain resource.
  • the terminal 101 and the second base station 103 may negotiate in advance, that is, the terminal 101 may use TDD non-uplink time domain resources for uplink transmission, so that the second base station 103 is also the same.
  • the TDD non-uplink time domain resource may also be determined according to the time division multiplexing configuration information and the TDD time domain resource configuration information, so that the second base station 103 determines that the uplink transmission of the terminal 101 can be received on the TDD non-uplink time domain resource.
  • the method provided in this embodiment of the present application further includes: the second base station 103 determines FDD uplink time domain resources.
  • the second base station 103 may determine the FDD uplink time domain resource in the following manner.
  • the second base station 103 may use the TDD non-uplink time domain resource according to the obtained TDD time domain resource configuration information and time division multiplexing configuration information. Or all the time domain resources are determined as the FDD uplink time domain resources.
  • a specific determination process refer to a process in which the terminal 101 determines an FDD uplink time domain resource. I won't repeat them here.
  • the first base station 102 determines the TDD non-uplink time domain resource, it sends the determined TDD non-uplink time domain resource to the second base station 103 through an interface with the second base station 103.
  • the second base station 103 may also determine the FDD time domain resource indicated in the time division multiplexing configuration information as the FDD uplink time domain resource.
  • the first base station 102 determines the TDD non-uplink time domain resource
  • the terminal 101 after the terminal 101 determines the TDD non-uplink time domain resource, the terminal 101 sends the determined TDD non-uplink time domain resource to the second base station 103 through an air interface.
  • the TDD time domain resource configuration information is also used to indicate TDD uplink time domain resources, and the TDD uplink time domain resources are uplink time domain resources among the TDD time domain resources.
  • the method provided in this embodiment of the present application further includes:
  • the terminal 101 performs uplink transmission with the first base station 102 on the TDD uplink time domain resource.
  • the TDD time domain resource configuration information in the embodiment of the present application may be used to indicate one or more of an uplink time domain resource, a downlink time domain resource, and a flexible time domain resource in the TDD time domain resource.
  • the terminal will The time domain resource obtained by intersecting the uplink time domain resource and the TDD time domain resource is determined as the TDD uplink time domain resource.
  • the TDD uplink time domain resources include: all or part of the time domain resources corresponding to time slot 8, time slot 9, time slot 18, and time slot 19.
  • the TDD uplink time domain resources include time slot 2, time slot 3, time slot 6, time slot 7, time slot 8, time slot 9, time slot 12, time slot 13, and time slot 17. All or part of the time domain resources corresponding to, timeslot 18, and timeslot 19.
  • the intersection of the uplink time domain resource indicated by the TDD time domain resource configuration information and the TDD time domain resource indicated by the time division multiplexing configuration information may be used as the TDD uplink time domain resource. That is, even if the TDD time domain resource configuration information indicates an uplink time domain resource, but all or part of the time domain resources corresponding to the uplink time domain resource are not within the TDD time domain resource range indicated by the time division multiplexing configuration information, the terminal also You cannot use this uplink time domain resource for uplink transmission.
  • the time domain resource cannot be used for uplink transmission.
  • FIG. 8 takes the time slot pattern indicated by the TDD time domain resource configuration information as: DSUUUDSUUU, and the time division multiplexing configuration pattern of the total time domain resource indicated by the time division multiplexing configuration information is: DSUDDDSUDD as an example.
  • the TDD time domain resources include: subframe 0, subframe 1, subframe 3, subframe 4, subframe 5, subframe 6, subframe 8, and subframe 9. frame.
  • the time slot 4 indicated by the TDD time domain resource configuration information is an uplink time slot, but there is no intersection between the time slot 4 and the TDD time domain resource, and the time slot 4 does not belong to the TDD time domain resource, the terminal 101 cannot be on the time slot Perform uplink transmission to the first base station 102.
  • the uplink time domain resources indicated by the TDD time domain resource configuration information include all or part of the time domain resources corresponding to time slot 4, but all or part of the time domain resources corresponding to time slot 4 are not in the TDD time domain. Within the range of resources, all or part of the time domain resources corresponding to time slot 4 cannot be used for uplink transmission.
  • the TDD time domain resources indicated in the time division multiplexing configuration information include: all or part of time domain resources corresponding to subframes 0 and 1 but the TDD time domain resource configuration information indicates All or part of the time domain resources corresponding to time slot 0 and time slot 7 are downlink time domain resources, that is, all or part of the time domain resources corresponding to time slot 0 and time slot 7 do not belong to the uplink time indicated by the TDD time domain resource configuration information. Domain resources, therefore, the terminal may not perform uplink transmission to the first base station on all or part of the time domain resources corresponding to timeslots 0 and 7.
  • the first base station 102 receives the uplink transmission of the terminal 101 on the TDD uplink time domain resource.
  • the TDD uplink time domain resources include: all or part of the time domain resources corresponding to time slot 8, time slot 9, time slot 18, and time slot 19.
  • the terminal 101 is in these time slots 8
  • the first base station 102 may receive uplink transmissions on the corresponding time domain resources.
  • S108 may be specifically implemented in the following manner: The terminal 101 sends uplink data to the first base station 102 on the TDD uplink time domain resource.
  • S109 may be specifically implemented in the following manner: The first base station 102 receives uplink data sent by the terminal 101 on the TDD uplink time domain resource.
  • S108 may be specifically implemented in the following manner: The terminal 101 sends second indication information to the first base station 102 on the TDD uplink time domain resource, and the second indication information is used to indicate whether the first base station is correctly received. 102 sends downlink data. Then S109 may be specifically implemented in the following manner: The first base station 102 receives the second indication information sent by the terminal 101 on the TDD uplink time domain resource.
  • the second indication information may be HARQ feedback.
  • S108 may be specifically implemented in the following manner: The terminal 101 sends uplink data and second indication information on the TDD uplink time domain resource. Then S109 may be specifically implemented in the following manner: The first base station 102 receives the second indication information and uplink data sent by the terminal 101 on the TDD uplink time domain resource. That is, the terminal 101 may send uplink data by using a part of the time domain resources in the TDD uplink time domain resources, and send the second indication information by using another part of the time domain resources.
  • the time division multiplexing configuration information is used to indicate total time domain resources and FDD time domain resources.
  • the total time domain resources include TDD time domain resources and FDD time domain resources.
  • TDD time domain resources and FDD time domain resources are in There is no overlap in the time domain; in the above implementation manner, the FDD uplink time domain resources in S105 also include FDD time domain resources.
  • the terminal can not only perform uplink transmission to the second base station on TDD non-uplink time domain resources, but also can perform uplink transmission to the second terminal on FDD time domain resources. This improves the utilization of uplink time domain resources.
  • the FDD time domain resources include: all or part of the corresponding subframes 2 (slots 4 and 5) and subframes 7 (slots 14 and 15).
  • Time domain resources That is to say, the terminal 101 may also be in full or partial time domain resources corresponding to subframe 2 (slots 4 and 5) and subframe 7 (slots 14 and 15) with the second time domain resource.
  • the base station 103 performs uplink transmission.
  • S105 may be specifically implemented in the following manner: The terminal 101 determines time domain resources other than TDD uplink time domain resources in the total time domain resources as FDD uplink time domain resources.
  • the FDD time domain resource may be a time domain resource corresponding to a U subframe included in the time division multiplexing configuration information.
  • FDD Frequency Division Multiplexing
  • the time domain resource may be an uplink time domain resource corresponding to a D / S subframe included in the time division multiplexing configuration information.
  • S106 in the embodiment of the present application may be specifically implemented in the following manner: the terminal 101 sends uplink data to the second base station 103 on the FDD uplink time domain resource.
  • S106 in the embodiment of the present application may be specifically implemented in the following manner: the terminal 101 sends uplink data to the second base station 103 on the FDD uplink time domain resource.
  • S107 may be specifically implemented in the following manner: The second base station 103 receives the uplink data sent by the terminal 101 on the FDD uplink time domain resource.
  • S106 in the embodiment of the present application may be specifically implemented in the following manner: the terminal 101 sends uplink data on TDD non-uplink time domain resources and FDD time domain resources.
  • S107 may be specifically implemented in the following manner: The second base station 103 receives uplink data sent by the terminal 101 on the TDD non-uplink time domain resource and the FDD time domain resource.
  • S106 in the embodiment of the present application may be specifically implemented by: the terminal 101 sends uplink data on the TDD non-uplink time domain resource, and sends the first indication information on the FDD time domain resource.
  • the indication information is used to indicate whether the downlink data sent by the second base station is correctly parsed.
  • the first indication information may be HARQ.
  • the method provided in the embodiment of the present application further includes:
  • the terminal 101 sends first indication information to the second base station 103 on the FDD time domain resource, and the first indication information is used to indicate whether the data sent by the second base station 103 is correctly parsed.
  • the FDD time domain resource is the time domain resource configured by the network side for the terminal 101 for uplink transmission in the time division multiplexing configuration information.
  • the first indication information may be (for example, Hybrid Automatic Repeat Request (HARQ) Bunding) feedback.
  • HARQ Hybrid Automatic Repeat Request
  • HARQ bundling perform logical AND operation on acknowledgement characters (Acknowledgement (ACK) / negative response (NACK) of multiple downlink subframes of the same serving cell corresponding to the same codeword) Get 1-bit (non-space division multiplexing, using PUCCH format 1a) or 2-bit (space-division multiplexing, using PUCCH format 1b) ACK / NACK information.
  • ACK acknowledgement
  • NACK negative response
  • Table 2 shows subframes that the terminal 101 can use to perform uplink feedback to the second base station 103 when different subframe configurations are used.
  • Table 2 subframes that can be used for uplink feedback to the base station
  • the time division multiplexing configuration information is the configuration corresponding to the index 0 in Table 1, and the terminal 101 can perform the operations in the second subframe, the third subframe, the fourth subframe, the seventh subframe, and the eight subframe. And some or all of the time domain resources in the subframe 9 are uplink feedback to the second base station 103.
  • the time division multiplexing configuration information is the configuration corresponding to the index 1 in Table 1. Then, the terminal 101 may send some or all of the time domain resources in the second subframe, the third subframe, the seventh subframe, and the eighth subframe to the first time domain resource.
  • the two base stations 103 perform uplink feedback.
  • the time division multiplexing configuration information is the configuration corresponding to index 2 in Table 1. Then, the terminal 101 may perform uplink feedback to the second base station 103 on some or all of the time domain resources in the subframe 2 and the subframe 7.
  • the time division multiplexing configuration information is the configuration corresponding to index 3 in Table 1. Then, the terminal 101 may perform uplink to the second base station 103 on some or all of the time domain resources in subframes 2, 3, and 4 Feedback. For the manner in which the terminal determines the uplink feedback subframe according to the subframe configuration corresponding to the remaining indexes, reference may be made to the foregoing description, and details are not described herein again.
  • the number N corresponding to each subframe number in Table 2 is used to indicate that the HARQ feedback is directed to the downlink data received on the Nth downlink subframe before the subframe.
  • the number "6, 5" on subframe 2 indicates that the HARQ feedback on the subframe 2 can be the fifth subframe and the sixth subframe before the subframe 2. Feedback of the received downlink data.
  • the second base station 103 receives the indication information sent by the terminal 101 on the FDD time domain resource.
  • the terminal may use TDD non-uplink time domain resources to perform uplink transmission to the second base station.
  • the terminal may send the instruction information to the terminal 101 on the FDD time domain resource.
  • the terminal 101 before sending the uplink transmission to the first base station 102 and the second base station 103, the terminal 101 also needs to receive scheduling information, and the terminal 101 can send the uplink transmission to the first base station 102 / second base station 103 based on the scheduling information.
  • Figures 11 and 12 respectively take the time division multiplexing configuration information as DSUDDDSUDD, and the time slot in the TDD time domain resource indicated by the TDD time domain resource configuration information includes: DDDDDDDSUU as an example to introduce the uplink transmission method and communication in the embodiment of the present application. method.
  • the S time slot is a special time slot and may include one or two of a downlink symbol, a flexible symbol, and an uplink symbol.
  • the S time slot may be used for the terminal 101 and the first time slot.
  • the uplink transmission of a base station 102 for example, the uplink symbol in the S-slot can be used for uplink transmission between the terminal 101 and the first base station 102.
  • the S-slot includes at least one uplink symbol as an example for description.
  • the S-slot may also include a downlink symbol or a flexible symbol.
  • the time division multiplexing configuration information configured with the gNB or eNB as the terminal is the time division multiplexing subframe configuration indicated by index 2 in Table 1.
  • the TDD time domain resources that the terminal communicates with the gNB include: subframe 0, subframe 1, subframe 3, subframe 4, subframe 5, subframe 6, subframe 8, and subframe 9. Some or all time domain resources in a frame. As shown in Figure 11.
  • the time slot in the TDD time domain resource used by the gNB or eNB to configure the TDD time domain resource configuration information for the terminal includes: DDDDDDDSUU.
  • the TDD non-uplink time domain resources include: some or all of time domain resources in subframe 0, subframe 1, subframe 5, and subframe 6.
  • the terminal when the terminal receives the scheduling information sent by the eNB, the terminal can perform some or all of the subframes No. 0, No. 1, No. 2, No. 5, Sub, No. 6, and No. 7. Perform uplink transmission to the eNB on the domain resource.
  • the terminal uses some or all of the time domain resources in timeslot 7, timeslot 9, timeslot 17, timeslot 18, and timeslot 19 shown in FIG. 12 Send uplink transmission to gNB.
  • the specific time slot 7 and time slot 17 may be special time slots, and the time slot 7 and time slot 17 include at least one uplink symbol.
  • timeslots 7 and 17 further include: at least one downlink symbol and a flexible symbol. In this way, the terminal performs uplink transmission in the uplink symbols in time slots 7 and 17.
  • the terminal when the terminal receives the downlink data sent by the eNB, the terminal may send HARQ to the eNB on some or all of the time domain resources corresponding to subframes 2 and 7 shown in FIG. 12.
  • each network element such as an uplink transmission device, a communication device, includes a hardware structure and / or a software module corresponding to each function.
  • this application can be implemented in the form of hardware or a combination of hardware and computer software. Whether a certain function is performed by hardware or computer software-driven hardware depends on the specific application of the technical solution and design constraints. Professional technicians can use different methods to implement the described functions for each specific application, but such implementation should not be considered to be beyond the scope of this application.
  • each functional unit may be divided corresponding to each function, or two or more functions may be integrated into one processing unit.
  • the above integrated unit may be implemented in the form of hardware or in the form of software functional unit. It should be noted that the division of the units in the embodiments of the present application is schematic, and is only a logical function division. There may be another division manner in actual implementation.
  • the method in the embodiment of the present application has been described above with reference to FIG. 7 to FIG. 12.
  • the uplink transmission device and the communication device in the embodiment of the present application that perform the foregoing method are described below. Those skilled in the art can understand that the methods and devices can be combined and referenced each other.
  • the communication device provided in the embodiment of the present application can execute the above communication method, that is, the steps performed by the second base station and the uplink transmission device can perform the uplink in the above embodiments.
  • Transmission method that is, the steps performed by the terminal.
  • the second base station may be performed by using the structure shown in FIG. 4, and the action of sending or receiving by the second base station may be performed by FIG. 4
  • the base station processor 1111 shown is completed by the antenna 1115, and the actions of determining or processing the second base station may be performed by the base station processor 1111 shown in FIG.
  • the processor 1111 of the base station may send the time division multiplexing configuration information to the terminal through the antenna 1115.
  • the processor 1111 receives the uplink transmission of the terminal on the FDD uplink time domain resource through the receiver in the transceiver.
  • the first base station may be executed by the structure shown in FIG.
  • the base station processor 1111 shown in FIG. 4 is completed by the antenna 1115, and actions such as determining or processing by the first base station may be performed by the base station processor 1111 shown in FIG.
  • the processor 1111 of the base station may send TDD time domain configuration information to the terminal through the antenna 1115.
  • the processor 1111 receives the uplink transmission of the terminal on the TDD uplink time domain resource through the receiver in the transceiver.
  • the terminal may be executed by the structure shown in FIG. 5, and the action of sending or receiving by the terminal may be performed by the processor 1211 of the terminal through the antenna 1216 Actions such as terminal determination or processing can be performed by the terminal's processor 1211.
  • the processor 1211 of the terminal may receive the time division multiplexing configuration information sent by the second base station from the second base station through the antenna 1216, and receive the TDD time domain resource configuration information of the first base station.
  • the processor 1211 of the terminal may support the terminal to determine an FDD uplink time domain resource, and the FDD uplink time domain resource includes some or all of the time domain resources in the TDD non-uplink time domain resource.
  • the processor 1211 of the terminal may perform uplink transmission on the FDD uplink time domain resource with the second base station through the antenna 1216.
  • the processor 1211 of the terminal sends uplink data to the second base station through the antenna 1216 on the FDD uplink time domain resource.
  • the processor 1211 of the terminal sends uplink data to the second base station through the antenna 1216 on the TDD non-uplink time domain resources and the FDD time domain resources.
  • the processor 1211 of the terminal sends uplink data to the second base station on the TDD non-uplink time domain resource, and is configured to send HARQ to the second base station through the antenna 1216 on the FDD time domain resource.
  • the processor 1211 of the terminal may perform uplink transmission with the first base station on the TDD uplink time domain resource through the antenna 1216.
  • the processor 1211 of the terminal may send indication information to the second base station on the FDD time domain resource through the antenna 1216, and the indication information is used to indicate whether the data sent by the second base station is correctly parsed.
  • the base station for each step in the method performed by the base station in the embodiments of the present application, there is a unit or module in the base station that performs each step in the method; for each step in the method performed by the terminal, the terminal executes the method A unit or module for each step in the method; for each step in the method performed by the terminal, there is a unit or module in the terminal for performing each step in the method.
  • FIG. 13 shows a schematic structural diagram of a communication device 2000 provided in an embodiment of the present application.
  • the communication device 2000 may be the second base station / first base station in the embodiment of the present application, or may be applied to the first base station. Chips in two base stations / first base station.
  • a schematic diagram of the second base station / first base station may be shown in FIG. 4.
  • the communication device 2000 includes a sending unit 2001 and a receiving unit 2002.
  • the communication device 2000 may further include: a storage unit 2003.
  • the sending unit 2001, the receiving unit 2002, and the storage unit 2003 are connected through a communication bus.
  • the storage unit 2003 may include one or more memories, and the memory may be one or more devices or devices in a circuit for storing programs or data.
  • the transmitting unit 2001 and the receiving unit 2002 may be collectively referred to as a device having a transmitting and receiving function.
  • the storage unit 2003 may exist independently, and is connected to a processing unit of the communication device 2000 through a communication bus.
  • the storage unit 2003 may also be integrated with the processing unit.
  • the communication device 2000 may be used in a communication device, a circuit, a hardware component, or a chip.
  • the sending unit 2001 and the receiving unit 2002 may include an antenna and a transceiver of the second base station, for example, the antenna 1115 and the transceiver 1113 in FIG. 4.
  • the sending unit 2001 and the receiving unit 2002 may further include a network interface of the second base station, for example, the network interface 1114 in 4.
  • the communication device 2000 may be a chip in the second base station / first base station in the embodiment of the present application.
  • the sending unit 2001 and the receiving unit 2002 may be an input or output interface, a pin, or a circuit.
  • the storage unit 2003 may store a computer execution instruction of the method on the second base station / first base station side, so that the processing unit executes the method on the second base station / first base station side in the foregoing embodiment.
  • the storage unit 2003 may be a register, a cache, or a RAM.
  • the storage unit 2003 may be integrated with the processing unit.
  • the storage unit 2003 may be a ROM or other type of static storage device that can store static information and instructions.
  • the storage unit 2003 may be integrated with the processing unit.
  • the units are independent.
  • the transceiver may be integrated on the communication device 2000, for example, the sending unit 2001 and the receiving unit 2002 integrate the transceiver 1113 and the network interface 1114.
  • the communication device 2000 is a chip in the second base station / first base station in the embodiment of the present application, the method performed by the second base station / first base station in the foregoing embodiment may be implemented.
  • the sending unit 2001 may support the communication device 2000 to execute S101 in the foregoing embodiment.
  • the receiving unit 2002 is configured to support the communication device 2000 to implement S107 and S111 in the above embodiment.
  • the sending unit 2001 may support the communication device 2000 to execute S103 in the foregoing embodiment.
  • the receiving unit 2002 is configured to support the communication device 2000 to implement S109 in the above embodiment.
  • FIG. 14 provides an uplink transmission device 1000 provided in an embodiment of the present application.
  • the uplink transmission device 1000 may perform a process performed by a terminal in the foregoing embodiment.
  • the uplink transmission device 1000 includes a receiving unit 1001 and processing. Unit 1002 and sending unit 1003.
  • the uplink transmission device 1000 further includes a storage unit 1004.
  • the receiving unit 1001, the processing unit 1002, the sending unit 1003, and the storage unit 1004 are connected through a communication bus.
  • the receiving unit 1001 and the sending unit 1003 may be devices having a transmitting and receiving function, and are configured to communicate with other base stations or communication networks.
  • the storage unit 1004 may include one or more memories, and the memory may be one or more devices or devices in a circuit for storing programs or data.
  • the storage unit 1004 may exist independently, and is connected to a processing unit of the communication device through a communication bus.
  • the storage unit 1004 may also be integrated with the processing unit.
  • the uplink transmission device 1000 may be used in a communication device, a circuit, a hardware component, or a chip.
  • the uplink transmission device 1000 may be a terminal in the embodiment of the present application. A schematic diagram of the terminal can be shown in FIG. 5.
  • the receiving unit 1001 and the sending unit 1003 of the uplink transmission device 1000 may include an antenna and a transceiver of the terminal, such as the antenna 1216 and the transceiver 1212 in FIG. 5.
  • the sending unit 1003 and the receiving unit 1001 may further include an output device and an input device, such as the output device 1214 and the input device 1215 in FIG. 5.
  • the uplink transmission device 1000 may be a chip in a terminal in the embodiments of the present application, for example, a chip in a terminal.
  • the transmitting unit 1003 and the receiving unit 1001 may be input or output interfaces, pins or circuits.
  • the processing unit 1002 may be a processor.
  • the uplink transmission device 1000 may be a chip in a terminal in the embodiment of the present application, it may further include a memory, and the storage unit 1004 may correspond to the memory.
  • the memory is used for storing computer-executable instructions of the method on the terminal side, so that the processing unit 1002 executes the method of the terminal in the foregoing embodiment.
  • the storage unit 1004 may be a register, a cache, or a RAM.
  • the storage unit 1004 may be integrated with the processing unit 1002.
  • the storage unit 1004 may be a ROM or other type of static storage device that can store static information and instructions.
  • the storage unit 1004 may be connected with The processing units 1002 are independent of each other.
  • the transceiver may be integrated on the uplink transmission device 1000.
  • the transmitting unit 1003 and the receiving unit 1001 are integrated with the transceiver 1212.
  • the uplink transmission device 1000 may implement the method performed by the terminal in the foregoing embodiment.
  • the receiving unit 1001 is configured to support the uplink transmission device 1000 to execute S102 and S104 in the foregoing embodiment.
  • the processing unit 1002 is configured to support the uplink transmission device 1000 to execute S105 in the foregoing embodiment.
  • the sending unit 1003 is configured to support the uplink transmission device 1000 to execute S106, S108, and S110 in the foregoing embodiment.
  • the related contents please refer to the related contents in FIG. 7 to FIG. 12.
  • An embodiment of the present application provides a communication device and an uplink transmission device.
  • the communication device and the uplink transmission device include one or more modules, and are configured to implement the methods in S101-S111.
  • the one or more modules may be connected with the S101.
  • the steps of the method in -S111 correspond.
  • each step in the method performed by the terminal includes a unit or module in the terminal that performs each step in the method; each step in the method performed by the second base station / first base station.
  • FIG. 15 shows a schematic diagram of a possible logical structure of the uplink transmission device involved in the foregoing embodiment, and the uplink transmission device may be a terminal in the foregoing embodiment. Or a chip used in a terminal.
  • the uplink transmission device includes a processing module 412 and a communication module 413.
  • the processing module 412 is configured to control and manage the actions of the uplink transmission device
  • the communication module 413 is configured to perform steps of performing message or data processing on the uplink transmission device.
  • the communication module 413 is configured to support the uplink transmission device to execute S102, S104, S106, S108, and S110 in the foregoing embodiment.
  • the processing module 412 is configured to support the uplink transmission device to execute S105 in the foregoing embodiment. And / or other processes performed by the uplink transmission device for the techniques described herein.
  • the uplink transmission device may further include a storage module 411 for storing program code and data of the uplink transmission device.
  • the processing module 412 may be a processor or a controller.
  • the processing module 412 may be a central processing unit, a general-purpose processor, a digital signal processor, an application specific integrated circuit, a field programmable gate array, or other programmable logic devices, transistor logic devices, Hardware components or any combination thereof. It may implement or execute various exemplary logical blocks, modules, and circuits described in connection with the present disclosure.
  • the processor may also be a combination that implements computing functions, such as a combination of one or more microprocessors, a combination of a digital signal processor and a microprocessor, and so on.
  • the communication module 413 may be a communication interface, a transceiver, a transceiver circuit, or an interface circuit.
  • the storage module 411 may be a memory.
  • the processing module 412 is a processor
  • the communication module 413 is a transceiver
  • the storage module 411 is a memory
  • the uplink transmission device involved in this application may be the device shown in FIG. 5.
  • FIG. 16 shows a schematic diagram of a possible logical structure of the communication device involved in the foregoing embodiment, and the communication device may be the first base station in the foregoing embodiment or The second base station is either a chip applied to the first base station or the second base station.
  • the communication device includes a processing module 512 and a communication module 513.
  • the processing module 512 is configured to control and manage the operation of the communication device, and the communication module 513 is configured to perform steps of performing message or data processing on the communication device side.
  • the communication module 513 is configured to support the communication device to execute S103 and S109 in the foregoing embodiment. And / or other processes performed by a communication device for the techniques described herein.
  • the communication device may further include a storage module 511 for storing program code and data of the communication device.
  • the processing module 512 may be a processor or a controller, for example, it may be a central processing unit, a general-purpose processor, a digital signal processor, an application specific integrated circuit, a field programmable gate array, or other programmable logic devices, transistor logic devices, Hardware components or any combination thereof. It may implement or execute various exemplary logical blocks, modules, and circuits described in connection with the present disclosure.
  • the processor may also be a combination that implements computing functions, such as a combination of one or more microprocessors, a combination of a digital signal processor and a microprocessor, and so on.
  • the communication module 513 may be a communication interface, a transceiver, a transceiver circuit, or an interface circuit.
  • the storage module 511 may be a memory.
  • the processing module 512 is a processor
  • the communication module 513 is a transceiver
  • the storage module 511 is a memory
  • the communication device involved in this application may be the device shown in FIG. 4.
  • An embodiment of the present application further provides a computer-readable storage medium.
  • the methods described in the above embodiments may be implemented in whole or in part by software, hardware, firmware, or any combination thereof. If implemented in software, the functions may be stored on or transmitted over as one or more instructions or code on a computer-readable medium.
  • Computer-readable media can include computer storage media and communication media, and can also include any medium that can transfer computer programs from one place to another.
  • a storage medium may be any target medium that can be accessed by a computer.
  • the computer-readable medium may include RAM, ROM, EEPROM, CD-ROM or other optical disk storage, magnetic disk storage or other magnetic storage devices, or any other medium or instruction or data structure targeted for carrying
  • the required program code is stored in a form and can be accessed by a computer.
  • any connection is properly termed a computer-readable medium.
  • coaxial cable, fiber optic cable, twisted pair, digital subscriber line (DSL), or wireless technology such as infrared, radio, and microwave
  • coaxial cable, fiber optic cable , Twisted pair, DSL or wireless technologies such as infrared, radio and microwave are included in the definition of the medium.
  • Magnetic disks and optical discs as used herein include compact discs (CDs), laser discs, optical discs, digital versatile discs (DVDs), floppy discs and Blu-ray discs, where magnetic discs typically reproduce data magnetically, and optical discs reproduce data optically using lasers. Combinations of the above should also be included within the scope of computer-readable media.
  • the embodiment of the present application also provides a computer program product.
  • the methods described in the above embodiments may be implemented in whole or in part by software, hardware, firmware, or any combination thereof. If implemented in software, it can be implemented in whole or in part in the form of a computer program product.
  • a computer program product includes one or more computer instructions. When the computer program instructions are loaded and executed on a computer, all or part of the procedures or functions described in the foregoing method embodiments are generated.
  • the computer may be a general-purpose computer, a special-purpose computer, a computer network, a base station, a terminal, or other programmable devices.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

La présente invention se rapporte au domaine technique des communications et, en particulier, elle concerne un procédé et un appareil de transmission de liaison montante. La solution est appliquée à un terminal, le terminal étant en connectivité double avec une première station de base et une deuxième station de base; et le terminal communique avec la première station de base au moyen d'un duplexage par répartition dans le temps (TDD), et le terminal communique avec la deuxième station de base au moyen d'un duplexage par répartition en fréquence (FDD). La solution comprend les étapes suivantes : le terminal acquiert des informations de configuration de multiplexage par répartition dans le temps, les informations de configuration de multiplexage par répartition dans le temps étant utilisées pour indiquer une ressource de domaine temporel de TDD pour la communication entre le terminal et la première station de base; le terminal acquiert des informations de configuration de ressource de domaine temporel de TDD de la première station de base, les informations de configuration de ressource de domaine temporel de TDD étant utilisées pour indiquer une ressource de domaine temporel de TDD non de liaison montante; et le terminal détermine une ressource de domaine temporel de FDD de liaison montante, et le terminal effectue une transmission de liaison montante avec la deuxième station de base sur la ressource de domaine temporel de FDD de liaison montante.
PCT/CN2019/104459 2018-09-04 2019-09-04 Procédé et appareil de transmission de liaison montante WO2020048500A1 (fr)

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Publication number Priority date Publication date Assignee Title
CN111669833B (zh) * 2020-05-26 2023-04-07 中国联合网络通信集团有限公司 数据传输方法和通信装置
WO2022126590A1 (fr) * 2020-12-18 2022-06-23 Lenovo (Beijing) Limited Procédés et appareils pour un mécanisme d'amélioration de répétition de pusch pour un scénario tdd
CN115150951A (zh) * 2021-03-31 2022-10-04 维沃移动通信有限公司 传输方向的确定方法、装置、终端及网络侧设备

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140119246A1 (en) * 2012-10-31 2014-05-01 Sharp Laboratories Of America, Inc. Systems and methods for carrier aggregation
CN104067545A (zh) * 2011-11-17 2014-09-24 Lg电子株式会社 用于在无线通信系统中通过终端发送上行链路控制信道的方法
CN106797291A (zh) * 2014-09-01 2017-05-31 Lg 电子株式会社 在无线通信系统中发送和接收无线信号的方法和设备
WO2018076326A1 (fr) * 2016-10-31 2018-05-03 华为技术有限公司 Procédé et appareil de communication pour agrégation de porteuses de liaison montante

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104067545A (zh) * 2011-11-17 2014-09-24 Lg电子株式会社 用于在无线通信系统中通过终端发送上行链路控制信道的方法
US20140119246A1 (en) * 2012-10-31 2014-05-01 Sharp Laboratories Of America, Inc. Systems and methods for carrier aggregation
CN106797291A (zh) * 2014-09-01 2017-05-31 Lg 电子株式会社 在无线通信系统中发送和接收无线信号的方法和设备
WO2018076326A1 (fr) * 2016-10-31 2018-05-03 华为技术有限公司 Procédé et appareil de communication pour agrégation de porteuses de liaison montante

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
HUAWEI: "Discussion on LTE-NR Uplink Sharing from UE Perspective", 3GPP TSG RAN MEETING #79, RP-180399, 22 March 2018 (2018-03-22), XP051410381 *
VIVO: "Remaining Issues on RACH Procedure and Timing Advance", 3GPP TSG RAN WGI MEETING #92, R1-1801511, 2 March 2018 (2018-03-02), XP051396763 *

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