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WO2020020315A1 - Procédé et appareil de configuration de ressources temporelles de liaison montante et de liaison descendante - Google Patents

Procédé et appareil de configuration de ressources temporelles de liaison montante et de liaison descendante Download PDF

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Publication number
WO2020020315A1
WO2020020315A1 PCT/CN2019/097798 CN2019097798W WO2020020315A1 WO 2020020315 A1 WO2020020315 A1 WO 2020020315A1 CN 2019097798 W CN2019097798 W CN 2019097798W WO 2020020315 A1 WO2020020315 A1 WO 2020020315A1
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WIPO (PCT)
Prior art keywords
time resource
configuration
offset
information
terminal device
Prior art date
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Ceased
Application number
PCT/CN2019/097798
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English (en)
Chinese (zh)
Inventor
王键
李晓翠
薛祎凡
沈丽
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Publication of WO2020020315A1 publication Critical patent/WO2020020315A1/fr
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0078—Timing of allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • 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
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management

Definitions

  • This application relates to the field of communications, and more specifically, to a method and device for uplink and downlink time resource configuration.
  • terminal equipment can be dual-linked with two systems.
  • the terminal device can make a double link (DC) (ie, EN-DC scenario) with the LTE system and the NR system.
  • DC double link
  • a terminal device can communicate with network equipment of a long term evolution (LTE) system on the one hand, and can also communicate with network equipment of a new radio (NR) system on the other hand .
  • LTE long term evolution
  • NR new radio
  • the terminal equipment cannot send uplink signals to two systems through two uplink radio frequency links at the same time.
  • the terminal device cannot send uplink signals to the network equipment of the LTE system and the network equipment of the NR system through two uplink radio frequency links at the same time.
  • time division multiplexing can be configured for the system's uplink transmission.
  • Mode which can send uplink signals to two systems on different subframes of a frame.
  • the system for example, the LTE system
  • the system can use fewer TDM mode configurations, which will affect the scheduling flexibility of the system.
  • This application provides a method for uplink and downlink time resource configuration, which can increase the time resource configuration that can be used by the system in a scenario where a terminal device is dual-linked with two systems, thereby improving the flexibility of system scheduling.
  • a method for configuring uplink and downlink time resources includes: a terminal device receiving first configuration information sent by a first network device; and the terminal device according to the offset information and a first The time resource configuration sends the first uplink information on the first time resource; the terminal device sends the second uplink information on the second time resource according to the second time resource configuration in the second system.
  • the first time resource configuration in the embodiments of the present application may be used to indicate a configuration manner in which a terminal device receives a time resource for uplink data and a time resource for sending downlink data on a same frequency channel, and may be understood as an uplink and downlink Configuration of time resources.
  • the first time resource configuration may be, for example, a TDM mode configuration or a time division duplex (TDD) mode configuration.
  • TDM time division duplex
  • the uplink and downlink time resource configuration in configuration 0 can be DSUUDDSUUD, and for configuration 0, the terminal device can be in the first When uplink data is sent on a time resource, the terminal device can send uplink data, receive downlink data, and send uplink pilot data on a second time resource. The terminal device can receive downlink data on a third time resource.
  • time resources may be understood as subframes, time slots, and other resources that express a period of time, which is not specifically limited in this application.
  • the offset information indicated in the first configuration information in the embodiment of the present application may be an offset or an offset of the first time resource configuration.
  • the embodiment of the present application does not specifically limit the offset information indicated in the first configuration information.
  • the first time resource configuration may be offset in units of subframes, or the first time resource may be offset in units of time slots.
  • the time resource configuration may be biased.
  • the first time resource configuration may also be biased in units of one symbol, or the first time resource configuration may be biased in units of multiple symbols including at least symbols.
  • the first time resource configuration is offset in units of time, and may also be several combinations of the above-mentioned offset methods.
  • the terminal device may send the first uplink information to the first system and the second uplink information to the second system on different time resources. That is, the terminal device may bias the first time resource configuration according to the offset information in the first configuration information, so that the terminal device may send the first time resource of the first uplink information to the first system and the second time resource to the second system.
  • the second time resource in which the system sends the second uplink information does not overlap in the time domain. Therefore, while the terminal device can send uplink information to the first system and the second system at different time resources, the first time resource configuration mode that the terminal device can use in the first system or the terminal device in the second system can be added.
  • the second time resource allocation mode that can be used in the system, which can improve the flexibility of system scheduling.
  • the first system is not specifically limited, and may be an LTE system, an NR system, or a third-generation mobile communication technology (3G) system.
  • 3G third-generation mobile communication technology
  • 4G fourth generation mobile communication technology
  • 4G fourth generation mobile communication technology
  • the 4th generation mobile communication technology, 4G can also be the future evolution of the PLMN network.
  • the network device that sends the offset information of the first time resource configuration of the first system to the terminal device is not specifically limited.
  • the network device may be a device that communicates with the terminal device in the first system, and may also be a device that communicates with the terminal device in other systems.
  • the first system is an LTE system
  • it may be the offset information of the first time resource configuration of the LTE system sent by the network device eNB in the LTE system to the terminal device, or it may be the network device gNB in the NR system to the terminal.
  • the device sends the offset information of the first time resource configuration of the LTE system, and may also be a network device in a future 5G network or a network device in a future evolved PLMN network.
  • the TDM mode configuration that can be used by the system is increased, thereby improving the flexibility of system scheduling.
  • the first time resource configuration is used to instruct the terminal device to send the uplink data or receive the downlink data time resources on the first system; the The second time resource configuration is used to instruct the terminal device to send the uplink data or receive the time resource of the downlink data on the second system.
  • the first configuration information includes at least one of the following: configuration information using a subframe as an offset unit, and configuration using a slot as an offset unit Information, configuration information using one symbol as an offset unit, configuration information using a plurality of symbols including at least two symbols as an offset unit, and configuration information using time as an offset unit.
  • the offset information is information that the first time resource configuration is shifted forward or backward or cyclically.
  • the first system is a long-term evolution LTE system
  • the second system is a new wireless NR system
  • the first system is the NR system
  • the second system is the LTE system
  • the first system is the LTE system and the second system is the LTE system
  • the first system is the NR system, so
  • the second system is the NR system.
  • a method for configuring uplink and downlink time resources includes: a network device sending first configuration information to a terminal device according to a second time resource configuration in a second system, where the first configuration information is used Offset information indicating the first time resource configuration of the first system; the network device receives the first uplink information sent by the terminal device on the first time resource in the first system.
  • the TDM mode configuration that can be used by the system is increased, thereby improving the flexibility of system scheduling.
  • the first time resource configuration is used to instruct the network device to receive uplink data or send downlink data time resources on the first system; the The second time resource configuration is used to instruct the terminal device to send the uplink data or receive the time resource of the downlink data on the second system.
  • the first configuration information includes at least one of the following: configuration information using a subframe as an offset unit, and configuration using a slot as an offset unit Information, configuration information using one symbol as an offset unit, configuration information using a plurality of symbols including at least two symbols as an offset unit, and configuration information using time as an offset unit.
  • the offset information is information that the first time resource configuration is shifted forward or backward or cyclically.
  • the first system is a long-term evolution LTE system, and the second system is a new wireless NR system; or the first system is the NR system
  • the second system is the LTE system; or the first system is the LTE system and the second system is the LTE system; or the first system is the NR system, so The second system is the NR system.
  • a terminal device includes a receiving module, a processing module, and a sending module.
  • the receiving module is configured to receive first configuration information sent by a first network device
  • the processing module performs the following operations through the sending module: sending the first uplink information on the first time resource according to the offset information and the first time resource configuration of the first system;
  • the processing module also performs the following operations through the sending module: the terminal device sends the second uplink information on the second time resource according to the second time resource configuration in the second system.
  • the first time resource configuration is used to instruct the terminal device to send the uplink data or receive the downlink data time resources on the first system; the The second time resource configuration is used to instruct the terminal device to send the uplink data or receive the time resource of the downlink data on the second system.
  • the first configuration information includes at least one of the following: configuration information using a subframe as an offset unit, and configuration using a slot as an offset unit Information, configuration information using one symbol as an offset unit, configuration information using a plurality of symbols including at least two symbols as an offset unit, and configuration information using time as an offset unit.
  • the offset information is information that the first time resource configuration is shifted forward or backward or cyclically.
  • the first system is a long-term evolution LTE system
  • the second system is a new wireless NR system
  • the first system is the NR system
  • the second system is the LTE system
  • the first system is the LTE system and the second system is the LTE system
  • the first system is the NR system, so The second system is the NR system.
  • a network device includes a receiving module, a processing module, and a sending module.
  • the processing module performs the following operations through the sending module: sending first configuration information to a terminal device according to a second time resource configuration in the second system, where the first configuration information is used to indicate a first Offset information of a time resource allocation;
  • the receiving module is configured to receive first uplink information sent by the terminal device on a first time resource in the first system.
  • the first time resource configuration is used to instruct the network device to receive uplink data or send time data of downlink data on the first system
  • the second time resource configuration is used to instruct the terminal device to send the uplink data or receive the time resource of the downlink data on the second system.
  • the first configuration information includes at least one of the following: configuration information using a subframe as an offset unit, and configuration using a slot as an offset unit Information, configuration information using one symbol as an offset unit, configuration information using a plurality of symbols including at least two symbols as an offset unit, and configuration information using time as an offset unit.
  • the offset information is information that the first time resource configuration is shifted forward or backward or cyclically.
  • the first system is a long-term evolution LTE system
  • the second system is a new wireless NR system
  • the first system is the NR system
  • the second system is the LTE system
  • the first system is the LTE system and the second system is the LTE system
  • the first system is the NR system, so
  • the second system is the NR system.
  • a terminal device includes: a memory, a processor, and a transceiver.
  • the memory is configured to store a program; the processor is configured to execute a program stored in the memory, and when the program is executed, the processor executes the first aspect or any one of the first aspects through the transceiver.
  • the processor may be communicatively connected with the transceiver.
  • the memory may be used to store program code and data of the terminal device. Therefore, the memory may be a storage unit inside the processor, or an external storage unit independent of the processor, or a component including a storage unit inside the processor and an external storage unit independent of the processor.
  • the processor may be a general-purpose processor, and may be implemented by hardware or software.
  • the processor may be a logic circuit, integrated circuit, etc .; when implemented by software, the processor may be a general-purpose processor, realized by reading software codes stored in a memory, and the memory may be Integrated in the processor, it can be located outside the processor and stand alone.
  • the transceiver When the program is executed, the transceiver is configured to receive first configuration information sent by a first network device, where the first configuration information is used for offset information of a first time resource configuration of the first system;
  • the processor is configured to execute a program stored in the memory, and when the program is executed, the processor performs the following operations through the transceiver: according to the offset information and a first time of a first system Resource allocation, sending first uplink information on the first time resource;
  • the processor also performs the following operations through the transceiver: sending second uplink information on a second time resource according to a second time resource configuration in a second system, where the first time resource and the first time resource are The time resources of the two time resources do not overlap.
  • the first time resource configuration is used to instruct the terminal device to send the uplink data or the time resource for receiving downlink data on the first system
  • the second time resource configuration is used to instruct the terminal device to send the uplink data or receive the time resource of the downlink data on the second system.
  • the first configuration information includes at least one of the following: configuration information using a subframe as an offset unit, and configuration using a slot as an offset unit Information, configuration information using one symbol as an offset unit, configuration information using a plurality of symbols including at least two symbols as an offset unit, and configuration information using time as an offset unit.
  • the offset information is information that the first time resource configuration is shifted forward or backward or cyclically.
  • the first system is a long-term evolution LTE system
  • the second system is a new wireless NR system
  • the first system is the NR system
  • the second system is the LTE system
  • the first system is the LTE system and the second system is the LTE system
  • the first system is the NR system, so The second system is the NR system.
  • a network device including: a memory, a processor, and a transceiver.
  • the memory is configured to store a program; the processor is configured to execute a program stored in the memory, and when the program is executed The processor executes the method described in the second aspect or any one of the possible implementation manners of the second aspect through the transceiver.
  • the processor may be communicatively connected with the transceiver.
  • the memory may be used to store program code and data of the network device. Therefore, the memory may be a storage unit inside the processor, or an external storage unit independent of the processor, or a component including a storage unit inside the processor and an external storage unit independent of the processor.
  • the processor may be a general-purpose processor, and may be implemented by hardware or software.
  • the processor may be a logic circuit, integrated circuit, etc .; when implemented by software, the processor may be a general-purpose processor, realized by reading software codes stored in a memory, and the memory may be Integrated in the processor, it can be located outside the processor and stand alone.
  • the processor When the program is executed, the processor performs the following operations through the transceiver: sending first configuration information to the terminal device according to a second time resource configuration in the second system, where the first configuration information is used to indicate the The offset information of the first time resource configuration of the first system;
  • the transceiver is configured to receive first uplink information sent by the terminal device on a first time resource in the first system.
  • the first time resource configuration is used to instruct the network device to receive uplink data or send downlink data time resources on the first system; the The second time resource configuration is used to instruct the terminal device to send the uplink data or receive the time resource of the downlink data on the second system.
  • the first configuration information includes at least one of the following: configuration information using a subframe as an offset unit, and configuration using a slot as an offset unit Information, configuration information using one symbol as an offset unit, configuration information using a plurality of symbols including at least two symbols as an offset unit, and configuration information using time as an offset unit.
  • the offset information is information that the first time resource configuration is shifted forward or backward or cyclically.
  • the first system is a long-term evolution LTE system
  • the second system is a new wireless NR system
  • the first system is the NR system
  • the second system is the LTE system
  • the first system is the LTE system and the second system is the LTE system
  • the first system is the NR system, so
  • the second system is the NR system.
  • a chip including a memory, a processor, and a transceiver.
  • the processor may be communicatively connected with the transceiver.
  • the memory may be used to store program code and data of the terminal device. Therefore, the memory may be a storage unit inside the processor, or an external storage unit independent of the processor, or a component including a storage unit inside the processor and an external storage unit independent of the processor.
  • the processor may be a general-purpose processor, and may be implemented by hardware or software.
  • the processor may be a logic circuit, integrated circuit, etc .; when implemented by software, the processor may be a general-purpose processor, realized by reading software codes stored in a memory, and the memory may be Integrated in the processor, it can be located outside the processor and stand alone.
  • the transceiver When the program is executed, the transceiver is configured to receive first configuration information sent by a first network device, where the first configuration information is used for offset information of a first time resource configuration of the first system;
  • the processor is configured to execute a program stored in the memory, and when the program is executed, the processor performs the following operations through the transceiver: according to the offset information and a first time of a first system Resource allocation, sending first uplink information on the first time resource;
  • the processor also performs the following operations through the transceiver: sending second uplink information on a second time resource according to a second time resource configuration in a second system, where the first time resource and the first time resource are The time resources of the two time resources do not overlap.
  • the first time resource configuration is used to instruct the terminal device to send the uplink data or receive time data of the downlink data on the first system
  • the second time resource configuration is used to instruct the terminal device to send a time resource of the uplink data or receive downlink data on the second system.
  • the first configuration information includes at least one of the following: configuration information using a subframe as an offset unit, and configuration using a slot as an offset unit Information, configuration information using one symbol as an offset unit, configuration information using a plurality of symbols including at least two symbols as an offset unit, and configuration information using time as an offset unit.
  • the offset information is information that the first time resource configuration is shifted forward or backward or cyclically.
  • the first system is a long-term evolution LTE system
  • the second system is a new wireless NR system
  • the first system is the NR system
  • the second system is the LTE system
  • the first system is the LTE system and the second system is the LTE system
  • the first system is the NR system, so
  • the second system is the NR system.
  • a chip including a memory and a processor.
  • the memory is configured to store a program; the processor is configured to execute a program stored in the memory; when the program is executed, the processor executes the first aspect or any one of the possible implementation manners of the first aspect The method described.
  • a chip including: a memory, a processor, and a transceiver.
  • the memory is configured to store a program; the processor is configured to execute a program stored in the memory, and when the program is executed, the processor executes the second aspect or any one of the second aspects through the transceiver.
  • the processor may be communicatively connected with the transceiver.
  • the memory may be used to store program code and data of the terminal device. Therefore, the memory may be a storage unit inside the processor, or an external storage unit independent of the processor, or a component including a storage unit inside the processor and an external storage unit independent of the processor.
  • the processor may be a general-purpose processor, and may be implemented by hardware or software.
  • the processor may be a logic circuit, integrated circuit, etc .; when implemented by software, the processor may be a general-purpose processor, realized by reading software codes stored in a memory, and the memory may be Integrated in the processor, it can be located outside the processor and stand alone.
  • the processor When the program is executed, the processor performs the following operations through the transceiver: sending first configuration information to the terminal device according to a second time resource configuration in the second system, where the first configuration information is used to indicate the The offset information of the first time resource configuration of the first system;
  • the transceiver is configured to receive first uplink information sent by the terminal device on a first time resource in the first system.
  • the first time resource configuration is used to instruct the network device to receive uplink data or send time data of downlink data on the first system; the The second time resource configuration is used to instruct the terminal device to send the uplink data or receive the time resource of the downlink data on the second system.
  • the first configuration information includes at least one of the following: configuration information using a subframe as an offset unit, and configuration using a slot as an offset unit Information, configuration information using one symbol as an offset unit, configuration information using a plurality of symbols including at least two symbols as an offset unit, and configuration information using time as an offset unit.
  • the offset information is information that the first time resource configuration is shifted forward or backward or cyclically.
  • the first system is a long-term evolution LTE system
  • the second system is a new wireless NR system
  • the first system is the NR system
  • the second system is the LTE system
  • the first system is the LTE system and the second system is the LTE system
  • the first system is the NR system, so
  • the second system is the NR system.
  • a chip including a memory and a processor.
  • the memory is configured to store a program; the processor is configured to execute a program stored in the memory; when the program is executed, the processor executes the first aspect or any one of the possible implementation manners of the first aspect The method described.
  • a computer-readable storage medium including a computer program, and when the computer program is run on a computer, the computer is caused to execute the first aspect or any implementation manner of the first aspect Methods.
  • a computer-readable storage medium including a computer program, and when the computer program is run on a computer, the computer is caused to execute the method described in the second aspect or any implementation manner of the second aspect .
  • a computer program product is provided, and when the computer program product runs on a computer, the computer is caused to execute the method described in the first aspect or any one of the implementation manners of the first aspect.
  • a computer program product that, when the computer program product runs on a computer, causes the computer to perform the method as described in the second aspect or any one of the implementation manners of the second aspect.
  • a system including the foregoing terminal device and network device.
  • FIG. 1 is a schematic diagram of a scenario of a wireless communication system 100 applied in an embodiment of the present application.
  • FIG. 2 is a schematic diagram of a UE performing communication in an EN-DC scenario.
  • FIG. 3 is a schematic diagram of a frame structure of an LTE system and a frame structure of an NR system being used together.
  • FIG. 4 is a schematic flowchart of a method for configuring uplink and downlink time resources according to an embodiment of the present application.
  • FIG. 5 is a schematic diagram illustrating a frame structure of an LTE system and a frame structure of an NR system after a bias according to an embodiment of the present application.
  • FIG. 6 is a schematic block diagram of a terminal device 600 according to an embodiment of the present application.
  • FIG. 7 is a schematic block diagram of a network device 700 according to an embodiment of the present application.
  • FIG. 8 is a schematic block diagram of a terminal device 800 according to an embodiment of the present application.
  • FIG. 9 is a schematic block diagram of a network device 900 according to an embodiment of the present application.
  • GSM global mobile communication
  • CDMA code division multiple access
  • WCDMA broadband code division multiple access
  • GPRS general packet radio service
  • LTE long term evolution
  • FDD frequency division duplex
  • TDD Time Division Duplex
  • UMTS Universal Mobile Telecommunications System
  • WiMAX Global Interoperability for Microwave Access
  • the terminal device in the embodiments of the present application may refer to user equipment, access terminal, user unit, user station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication device, user agent, or User device.
  • Terminal equipment can also be cellular phones, cordless phones, session initiation protocol (SIP) phones, wireless local loop (WLL) stations, personal digital assistants (PDAs), and wireless communications Functional handheld devices, computing devices, or other processing devices connected to wireless modems, in-vehicle devices, wearable devices, terminal devices in the future 5G network, or public land mobile network (PLMN) in future evolution Terminal equipment and the like are not limited in this embodiment of the present application.
  • SIP session initiation protocol
  • WLL wireless local loop
  • PDAs personal digital assistants
  • PLMN public land mobile network
  • the network device in the embodiment of the present application may be a device for communicating with a terminal device, and the network device may be a Global System for Mobile Communication (GSM) system or a Code Division Multiple Access (CDMA) system.
  • the network equipment (base transceiver, station) (BTS) in the network can also be a network equipment (NodeB, NB) in a wideband code division multiple access (WCDMA) system, or an evolved network in an LTE system
  • the device evolved NodeB, eNB, or eNodeB
  • the device can also be a network device (generation NodeB, gNB) in a 5G system, or a wireless controller in a cloud radio access network (CRAN) scenario, or
  • the network device may be a relay station, an access point, an in-vehicle device, a wearable device, a network device in a future 5G network, or a network device in a future evolved PLMN network.
  • the embodiments of the present application are not
  • the network device may be composed of a centralized unit (CU) and a distributed unit (DU).
  • CU centralized unit
  • DU distributed unit
  • One CU can be connected to one DU, or multiple DUs can share one CU, which can save costs and facilitate network expansion.
  • the segmentation of CU and DU can be segmented according to the protocol stack.
  • One possible way is to divide radio resource control (RRC), service data mapping protocol stack (SDAP), and packet data convergence protocol.
  • RRC radio resource control
  • SDAP service data mapping protocol stack
  • the (packet data convergence protocol) layer is deployed on the CU, and the remaining radio link control (RLC) layer, media access control (MAC) layer, and physical layer are deployed on the DU.
  • RRC radio resource control
  • SDAP service data mapping protocol stack
  • the (packet data convergence protocol) layer is deployed on the CU, and the remaining radio link control (RLC) layer, media access control (MAC) layer, and physical layer are deployed on the DU.
  • the network device provides a service to the cell, and the terminal device communicates with the network device through a transmission resource (for example, a frequency domain resource or a spectrum resource) used by the cell.
  • the cell may be a cell corresponding to a network device (for example, a network device).
  • the cell may belong to a macro network device or a network device corresponding to a small cell.
  • the small cell here may include: a metro cell, Micro cells, pico cells, femto cells, etc. These small cells have the characteristics of small coverage and low transmission power, and are suitable for providing high-rate data transmission services.
  • the method provided in the embodiment of the present application may be applied to a terminal device or a network device.
  • the terminal device or the network device includes a hardware layer, an operating system layer running on the hardware layer, and an application layer running on the operating system layer.
  • This hardware layer includes hardware such as a central processing unit (CPU), a memory management unit (MMU), and a memory (also called main memory).
  • the operating system may be any one or more computer operating systems that implement business processing through processes, such as a Linux operating system, a Unix operating system, an Android operating system, an iOS operating system, or a windows operating system.
  • This application layer contains applications such as browsers, address books, word processing software, and instant messaging software.
  • the specific structure of the execution subject of the method for transmitting a signal is not specifically limited in the embodiment of the present application, as long as a program that can record the code of the method for transmitting a signal in the embodiment of the present application can be run
  • the communication may be performed by using the signal transmission method according to the embodiment of the present application.
  • the wireless communication method according to the embodiment of the present application may be executed by a terminal device or a network device, or may be called by the terminal device or the network device. Program and execute the program's functional modules.
  • various aspects or features of the embodiments of the present application may be implemented as a method, an apparatus, or an article of manufacture using standard programming and / or engineering techniques.
  • article of manufacture encompasses a computer program accessible from any computer-readable device, carrier, or medium.
  • computer-readable media may include, but are not limited to: magnetic storage devices (eg, hard disks, floppy disks or magnetic tapes, etc.), optical disks (eg, compact discs (CDs), digital versatile discs (DVDs) Etc.), smart cards and flash memory devices (for example, erasable programmable read-only memory (EPROM), cards, sticks or key drives, etc.).
  • various storage media described herein may represent one or more devices and / or other machine-readable media used to store information.
  • machine-readable medium may include, but is not limited to, wireless channels and various other media capable of storing, containing, and / or carrying instruction (s) and / or data.
  • FIG. 1 is a schematic diagram of a communication system 100 applicable to an embodiment of the present application.
  • the communication system 100 includes a network device 102, and the network device 102 may include multiple antenna groups.
  • Each antenna group may include multiple antennas, for example, one antenna group may include antennas 104 and 106, another antenna group may include antennas 106 and 110, and additional groups may include antennas 112 and 114.
  • Each antenna group in FIG. 1 shows two antennas, and each antenna group may use more or fewer antennas, which is not specifically limited in this application.
  • the network device 102 may additionally include a transmitter chain and a receiver chain, and those of ordinary skill in the art can understand that each of them may include multiple components related to signal transmission and reception (such as a processor, a modulator, a multiplexer, a decoder, etc.). Modulator, demultiplexer or antenna, etc.).
  • the network device 102 may communicate with multiple terminal devices, such as the terminal device 116 and the terminal device 122. However, it is understood that the network device 102 may communicate with any number of terminal devices similar to the terminal devices 116 or 122.
  • the terminal devices 116 and 122 may be, for example, a cellular phone, a smart phone, a portable computer, a handheld communication device, a handheld computing device, a satellite radio, a global positioning system, a PDA, and / or any of Other suitable equipment.
  • the terminal device 116 communicates with the antennas 112 and 114, where the antennas 112 and 114 send information to the terminal device 116 through the forward link 116 and receive information from the terminal device 116 through the reverse link 120.
  • the terminal device 122 communicates with the antennas 104 and 106, where the antennas 104 and 106 send information to the terminal device 122 through the forward link 124 and receive information from the terminal device 122 through the reverse link 126.
  • forward link 118 may utilize a different frequency band than that used by reverse link 120, and forward link 124 may utilize the reverse link 126. Different frequency bands used.
  • FDD frequency division duplex
  • the forward link 116 and the reverse link 120 may use a common frequency band
  • the link 126 may use a common frequency band.
  • Each set of antennas and / or areas designed for communication is referred to as a sector of the network device 102.
  • the antenna group may be designed to communicate with terminal devices in a sector covered by the network device 102.
  • the transmitting antennas of the network device 102 can use beamforming to improve the signal-to-noise ratio of the forward links 116 and 124.
  • the Mobile devices experience less interference.
  • the network device 102, the terminal device 116, or the terminal device 122 may be a wireless communication transmitting apparatus and / or a wireless communication receiving apparatus.
  • the wireless communication transmitting device may encode the data for transmission.
  • the wireless communication transmitting device may obtain (for example, generate, receive from another communication device, or save in a memory, etc.) a certain number of data bits to be transmitted to the wireless communication receiving device through a channel.
  • Such data bits may be contained in a transport block (or transport blocks) of data, which may be segmented to generate multiple code blocks.
  • the communication system 100 may be a public land mobile network, a PLMN network, or a device-to-device (D2D) network, or a machine-to-machine (M2M) network, or other networks.
  • D2D device-to-device
  • M2M machine-to-machine
  • the network can also include other network equipment, not shown in Figure 1.
  • a terminal device as a UE as an example for detailed description.
  • the terminal equipment can be dual-linked with the two systems.
  • one of the systems is an LTE system and the other is an NR system.
  • the EN-DC scenario a scenario in which the LTE system and the NR system are double-connected (DC) is introduced (ie, the EN-DC scenario).
  • the UE can communicate with network equipment of the LTE system on the one hand, and can also communicate with network equipment of the NR system on the other hand.
  • FIG. 2 is a schematic diagram of a UE performing communication in an EN-DC scenario.
  • the UE 210 can communicate with the network device eNB220 of the LTE system and the network device gNB230 of the NR system at the same time.
  • the UE 210 may be configured with at least two uplink radio frequency (RF) chains.
  • One uplink radio link 240 may be used to send uplink signals to the eNB 220, and the other uplink radio link 250 may be used to send
  • the gNB230 sends an uplink signal.
  • the UE 210 may send uplink signals to the eNB 220 and the gNB 230 through two uplink radio frequency links (link 240 and link 250) at the same time.
  • UE210 cannot send uplink signals to eNB220 and gNB230 through two uplink radio frequency links (link 240, link 250) at the same time.
  • the following describes in detail a scenario in which the UE 210 cannot send uplink signals to the eNB 220 and the gNB 230 through two uplink radio frequency links at the same time.
  • the UE 210 when the UE 210 sends uplink signals to network devices (for example, eNB220, gNB230) through two uplink radio links at the same time, cross-modulation interference may occur.
  • the UE 210 may send an uplink signal of frequency f1 to the eNB 220 through the uplink radio frequency link 240, and at the same time, the UE 210 may send an uplink signal of frequency f2 to the gNB 230 through the uplink radio frequency link 250. Due to the poor linearity of the RF device (non-linearity of the RF device), the uplink signal with frequency f1 and the uplink signal with frequency f2 interact in the network to generate harmonic interference signals.
  • the generated harmonic interference signal will interfere with the downlink signal received by the UE 210, thereby affecting the reception of the downlink signal of the UE 210. Therefore, the UE 210 cannot send uplink signals to the eNB 220 and the gNB 230 through two uplink radio frequency links (link 240 and link 250) at the same time.
  • the UE 210 when the UE 210 sends an uplink signal to a network device (for example, eNB220, gNB230) through two uplink radio links at the same time, the two communication systems cannot dynamically and flexibly allocate transmit power.
  • the UE 210 can have both a modem in the LTE system and a modem in the NR system.
  • the modem of the LTE system and the modem of the NR system can be integrated in one chip (the modems of the two systems are coupled to each other), and the modem of the LTE system can share the uplink transmission power of the modem of the NR system.
  • Allocation information so that uplink transmission power of the LTE system can be dynamically and flexibly allocated, thereby avoiding exceeding the maximum transmission power of the UE 210.
  • the modem of the LTE system and the modem of the NR system are in a design scheme of two independent modems (the modems of the two systems are not tightly coupled), because the modems of the LTE system cannot share the modem pair of the NR system
  • the uplink transmission power allocation information makes it impossible to dynamically and flexibly allocate the uplink transmission power of the LTE system. Therefore, the UE 210 cannot send uplink signals to the eNB 220 and the gNB 230 through two uplink radio frequency links (link 240 and link 250) at the same time.
  • the UE 210 can send uplink signals to the eNB 220 and the gNB 230 through the uplink radio frequency link at different times (time slots).
  • time division multiplexing can be configured by uplink transmission of the LTE system. (time division multiplexing, TDM) mode.
  • TDM time division multiplexing
  • the TDM mode may be a mode in which different signals are transmitted in different periods of the same physical connection, and the time for transmitting information provided to the entire channel may be divided into several time slices (also referred to as time slots), and These time slots can be assigned to each source.
  • subframeAssignment-r15 SEQUENCE ⁇ sa0, sa1, sa2, sa3, sa4, sa5, sa6 ⁇
  • the signaling "tdm-PatternConfig-r15 (TDM-mode configuration-r15)" can be used to indicate that the TDM mode configuration is performed through the r15 version in the standard, and the signaling "release NULL” can be used Indicates the release of resources occupied by invalid signaling.
  • the frame length is 10s, and it can be divided into 10 subframes with a length of 1s.
  • the uplink and downlink data can be transmitted on different subframes within the same frame.
  • the TDM of the LTE system can support different uplink and downlink time ratios, and the uplink and downlink time ratios can be adjusted according to the type of different services to meet the uplink and downlink asymmetric service requirements.
  • the configuration of different uplink and downlink subframes can include the seven configurations shown in Table 1: sa0, sa1, sa2, sa3, sa4, sa5, sa6. For specific configurations of uplink and downlink subframes, see Table 1.
  • D in Table 1 can be used to represent a downlink subframe, and downlink data can be received on the downlink subframe;
  • U can be used to represent an uplink subframe, which can be on the uplink subframe Sending uplink data;
  • S can be used to indicate a special subframe, in which uplink data, downlink data, and uplink pilot data can be sent.
  • the uplink-downlink subframe ratio in the LTE system can be configured through the TDM mode, so that the UE 210 can send uplink signals to the eNB 220 and gNB 230 in different time slots.
  • the TDM mode of the LTE system is configured.
  • the TDM mode of the LTE system that can be used will be relatively small, which will affect system scheduling. flexibility.
  • sa2 in Table 1 The following describes the configuration of sa2 in Table 1 as an example. If the TDM mode is set to sa2 in the LTE system (see Table 1, the uplink and downlink subframes in the sa2 configuration are configured as DSUDDDSUDD), when the UE 210 communicates with the LTE network device eNB22, the UE 210 can only be in subframe 2 And subframe 7 sends an uplink signal to the eNB 220 in the LTE system (subframe 2 and subframe 7 are uplink subframe U under the configuration sa2).
  • the UE 210 can send uplink signals to the gNB230 in the NR system on the remaining subframes (for example, subframe 0, subframe 1, subframe 3, and subframe 4). , Subframe 5, Subframe 6, Subframe 8, Subframe 9).
  • the NR system in the actual working process of the system, the NR system also needs to prefabricate a TDM mode.
  • TDM mode the frame structure of the NR system and the frame structure (TDM mode) of the LTE system cooperate with each other, in order to enable the UE210 to send uplink signals to the eNB220 and gNB230 in different time slots
  • the TDM mode of the LTE system that can be used will be compared Less, which will affect the scheduling flexibility of the system.
  • FIG. 3 is a schematic diagram of a frame structure of an LTE system and a frame structure of an NR system being used together.
  • the TDM mode of the LTE system is sa1, sa2, sa4, sa5 as an example.
  • the TDM modes that cannot be used by the LTE system are sa1, sa4.
  • the UE 210 may send an uplink signal to the eNB 220 on subframe 8 (subframe 8 is an uplink subframe U in the frame structure of the LTE system).
  • the UE 210 may also Send an uplink signal to gNB230 on subframe 8 (subframe 8 is a special subframe S in the frame structure of the NR system). Since the UE 210 cannot send uplink signals to the eNB 220 and the gNB 230 at the same time, in an EN-DC scenario, the TDM mode that the LTE system cannot use is sa1.
  • the UE 210 can send an uplink signal to the eNB 220 in subframe 3 (subframe 3 is an uplink subframe U in the frame structure of the LTE system). At the same time, the UE 210 can also send an uplink signal in subframe 3 (Subframe 3 is a special subframe S in the frame structure of the NR system) sends an uplink signal to gNB230. Since the UE 210 cannot send uplink signals to the eNB 220 and the gNB 230 at the same time, in an EN-DC scenario, the TDM mode that the LTE system cannot use is sa4.
  • the system in order to ensure that uplink signals are sent to each system at different times, the system (for example, the LTE system) can use fewer TDM mode configurations, which will affect the scheduling flexibility of the system.
  • the embodiments of the present application provide a method for uplink and downlink time resource configuration, which can increase the time resource configuration that the system can use in the scenario where the terminal device and the two systems are dual-linked, thereby improving the flexibility of system scheduling.
  • FIG. 4 is a schematic flowchart of a method for configuring uplink and downlink time resources according to an embodiment of the present application.
  • the flowchart shown in FIG. 4 may include steps 410-430. Steps 410-430 are described in detail below.
  • Step 410 The terminal device receives first configuration information sent by the first network device, where the first configuration information indicates offset information of a first time resource configuration of the first system.
  • the first configuration information received by the terminal device in this embodiment of the present application may be used to indicate offset information of a first time resource configuration of the first system.
  • the first time resource configuration in the embodiments of the present application may be used to indicate a configuration manner in which a terminal device receives a time resource for uplink data and a time resource for sending downlink data on a same frequency channel, and may be understood as an uplink and downlink Configuration of time resources.
  • the first time resource configuration may be, for example, a TDM mode configuration or a time division duplex (TDD) mode configuration.
  • TDM time division duplex
  • the uplink and downlink time resource configuration in configuration 0 can be DSUUDDSUUD, and for configuration 0, the terminal device can be in the first When uplink data is sent on a time resource, the terminal device can send uplink data, receive downlink data, and send uplink pilot data on a second time resource. The terminal device can receive downlink data on a third time resource.
  • time resources may be understood as subframes, time slots, and other resources that express a period of time, which is not specifically limited in this application.
  • the offset information indicated in the first configuration information in the embodiment of the present application may be an offset or an offset of the first time resource configuration.
  • the embodiment of the present application does not specifically limit the offset information indicated in the first configuration information.
  • the first time resource configuration may be offset in units of subframes, or the first time resource may be offset in units of time slots.
  • the time resource configuration may be biased.
  • the first time resource configuration may also be biased in units of one symbol, or the first time resource configuration may be biased in units of multiple symbols including at least symbols.
  • the first time resource configuration is offset in units of time, and may also be several combinations of the above-mentioned offset methods. The following will be described in combination with specific embodiments, which will not be described in detail here.
  • the first system is not specifically limited, and may be an LTE system, an NR system, or a third-generation mobile communication technology (3G) system.
  • 3G third-generation mobile communication technology
  • 4G fourth generation mobile communication technology
  • 4G fourth generation mobile communication technology
  • the 4th generation mobile communication technology, 4G can also be the future evolution of the PLMN network.
  • the network device that sends the offset information of the first time resource configuration of the first system to the terminal device is not specifically limited.
  • the network device may be a device that communicates with the terminal device in the first system, and may also be a device that communicates with the terminal device in other systems.
  • the first system is an LTE system
  • it may be the offset information of the first time resource configuration of the LTE system sent by the network device eNB in the LTE system to the terminal device, or it may be the network device gNB in the NR system to the terminal.
  • the device sends the offset information of the first time resource configuration of the LTE system, and may also be a network device in a future 5G network or a network device in a future evolved PLMN network.
  • Step 420 The terminal device sends the first uplink information on the first time resource according to the offset information and the first time resource configuration.
  • the terminal device may send the first uplink information to the network device in the first system on the first time resource according to the offset information and the first time resource configuration.
  • Step 430 The terminal device sends the second uplink information on the second time resource according to the second time resource configuration of the second system.
  • the terminal device may send the second uplink information on the second time resource according to the second time resource configuration of the second system.
  • the terminal device may send the first uplink information to the first system and the second uplink information to the second system on different time resources. That is, the terminal device may bias the first time resource configuration according to the offset information in the first configuration information, so that the terminal device may send the first time resource of the first uplink information to the first system and the second time resource to the second system.
  • the second time resource in which the system sends the second uplink information does not overlap in the time domain. Therefore, while the terminal device can send uplink information to the first system and the second system at different time resources, the first time resource configuration mode that the terminal device can use in the first system or the terminal device in the second system can be added.
  • the second time resource allocation mode that can be used in the system, which can improve the flexibility of system scheduling.
  • the second system is not specifically limited, and may be an LTE system, an NR system, a 3G system, a 4G system, or a PLMN network to be evolved in the future.
  • the first system is an LTE system
  • the second system may be an NR system.
  • the first system is an NR system
  • the first system is an LTE system
  • the first system is an LTE system
  • the first system is an LTE system
  • the first system is an LTE system
  • the first system is an LTE system
  • the first system is an LTE system
  • the first system is an LTE system
  • the first system is an LTE system
  • the first system is an LTE system
  • the first system is an LTE system
  • the first system is an NR system
  • the first system is an NR system.
  • the time resource configuration available to the system can be increased, thereby improving the flexibility of system scheduling.
  • the first system is an LTE system and the second system is an NR system as an example.
  • the specific implementation of the uplink and downlink time resource allocation method mentioned in the embodiments of the present application will be described in more detail.
  • a TDM mode can be configured for uplink transmission of the LTE system.
  • the uplink transmission of the LTE system can be configured through signaling tdm-PatternConfig-r15 (TDM-mode configuration-r15, which can correspond to the first time resource configuration above).
  • an offset (offset, which can correspond to the offset information indicated in the first configuration information above) can be configured in the system, so that the TDM mode configuration of the LTE system after the offset can be compared with the TDM mode configuration of the NR system , It can be ensured that the terminal device will not send uplink information to the LTE system and the NR system at the same time in the same subframe (which may correspond to the time resource above).
  • the terminal device may receive configuration information, and the configuration information may be used to indicate offset information of uplink and downlink time resource configuration of the LTE system.
  • the offset information of the uplink and downlink time resource configuration of the LTE system may be configured by the network device eNB in the LTE system to configure the terminal device, or may be configured by the network device gNB in the NR system to configure the terminal device.
  • the terminal device may also be configured by a network device in another network, which is not specifically limited in this application.
  • the offset information of the uplink and downlink time resource configuration configured in the embodiment of the present application is described in more detail below with specific signaling.
  • the offset information of the uplink and downlink time resource configuration may be used to offset the first time resource configuration in units of subframes, or may be used to offset the first time resource configuration in units of time slots.
  • the first time resource configuration may be offset in units of one symbol, or the first time resource configuration may be offset in units of multiple symbols including at least symbols, or the unit of time may be used to offset
  • the first time resource configuration is biased, and may also be several combinations of the above-mentioned biasing methods.
  • the first time resource configuration may be offset by combining any of the foregoing offset methods.
  • the first time resource configuration may be performed with both an offset in units of a subframe and an offset in units of one symbol.
  • the first time resource configuration may also perform an offset in units of a subframe and an offset in units of a plurality of symbols including at least symbols.
  • the first time resource configuration may also perform both offset in units of subframes and offset in units of time.
  • the signaling "tdm-PatternConfig-r15 (TDM-mode configuration-r15)” can be used to indicate that the TDM mode configuration is performed through the r15 version in the standard, and the signaling "release NULL (release invalid)” can be used to Indicates the release of resources occupied by invalid signaling.
  • the signaling "setup SEQUENCE (equipment sequence)” can be used to indicate the serial number of the equipment, and the signaling "harq-offset-r15 (hybrid automatic repeat request-offset-r15)” can It is used to indicate the HARQ offset in the standard r15 version.
  • the signaling "subframe Assignment-r15” can be used to indicate the subframe allocation mode of the standard r15 version.
  • offsetting a subframe in a TDM mode configuration may be an offset in a unit of a subframe. Its offset range in units of subframes can be 0 to 9 subframes, which enables the terminal device to configure the TDM mode after the offset, and can send to the LTE system and the NR system in different time domains (time resources), respectively. Upstream information.
  • the signaling "tdm-PatternConfig-r15 (TDM-mode configuration-r15)” can be used to indicate that the TDM mode configuration is performed through the r15 version in the standard, and the signaling "release NULL (release invalid)” can be used to Indicates the release of resources occupied by invalid signaling.
  • the signaling "setup SEQUENCE (equipment sequence)” can be used to indicate the serial number of the equipment, and the signaling "harq-offset-r15 (hybrid automatic repeat request-offset-r15)” can It is used to indicate the HARQ offset in the standard r15 version.
  • the signaling "subframe Assignment-r15” can be used to indicate the subframe allocation mode in the standard r15 version.
  • offsetting a subframe in a TDM mode configuration may be an offset in units of symbols. Its offset range in symbol units can be from 0 to 139 symbols, which can enable the terminal device to configure the TDM mode after the offset, and can send uplinks to the LTE system and the NR system in different time domains (time resources), respectively. information.
  • the TDM mode configuration is biased in units of symbols.
  • the TDM mode configuration may be biased in units of one symbol, or the TDM mode may be biased in units of multiple symbols including at least symbols. Configuration is biased.
  • the signaling "tdm-PatternConfig-r15 (TDM-mode configuration-r15)” can be used to indicate that the TDM mode configuration is performed through the r15 version in the standard, and the signaling "release NULL (release invalid)” can be used to Indicates the release of resources occupied by invalid signaling.
  • the signaling "setup SEQUENCE (equipment sequence)” can be used to indicate the serial number of the equipment, and the signaling "harq-offset-r15 (hybrid automatic repeat request-offset-r15)” can It is used to indicate the HARQ offset in the standard r15 version.
  • the signaling "subframe Assignment-r15” can be used to indicate the subframe allocation mode in the standard r15 version.
  • the signal "time-offset-rxx ENUMERATED” (ms0.1, ms0.2 ... ms1, ms2 ...) (time-offset enumeration (ms0.1, ms0.2 ... ms1, ms2 ...)) '' can be used to indicate pairs
  • the TDM mode configuration (corresponding to the first time resource configuration) in the signaling "tdm-PatternConfig-r15" is biased.
  • time-offset-rxx ENUMERATED (ms0.1, ms0.2 ⁇ ms1, ms2 ⁇ )
  • ms0.1 represents 0.1ms
  • ms0.2 represents 0.2ms
  • ms1 represents 1ms
  • ms2 represents 2ms.
  • Biasing the TDM mode configuration with the absolute time as the offset unit can enable the terminal device to send uplink information to the LTE system and the NR system in different time domains (time resources) according to the TDM mode configuration after the offset.
  • the signaling "tdm-PatternConfig-r15 (TDM-mode configuration-r15)” can be used to indicate that the TDM mode configuration is performed through the r15 version in the standard, and the signaling "release NULL (release invalid)” can be used to Indicates the release of resources occupied by invalid signaling.
  • the signaling "setup SEQUENCE (equipment sequence)” can be used to indicate the serial number of the equipment, and the signaling “harq-offset-r15 (hybrid automatic repeat request-offset-r15)” can It is used to indicate the HARQ offset in the standard r15 version, and the signaling "subframe Assignment-r15” may be used to indicate the subframe allocation mode in the standard r15 version.
  • the terminal device can be configured to send uplink information to the LTE system and the NR system in different time domains (time resources) according to the TDM mode configuration after the offset.
  • the signaling "tdm-PatternConfig-r15 (TDM-mode configuration-r15)” can be used to indicate that the TDM mode configuration is performed through the r15 version in the standard, and the signaling "release NULL (release invalid)” can be used to Indicates the release of resources occupied by invalid signaling.
  • the signaling "setup SEQUENCE (equipment sequence)” can be used to indicate the serial number of the equipment, and the signaling “harq-offset-r15 (hybrid automatic repeat request-offset-r15)” can It is used to indicate the HARQ offset in the standard r15 version, and the signaling "subframe Assignment-r15” may be used to indicate the subframe allocation mode in the standard r15 version.
  • the TDM mode configuration (corresponding to the first time resource configuration) in "PatternConfig-r15" performs both offset in units of subframes and offset in units of absolute time.
  • the terminal device can be configured to send uplink information to the LTE system and the NR system in different time domains (time resources) according to the TDM mode configuration after the offset.
  • the above-mentioned offset information that biases the time resource configuration may instruct the time resource configuration to be biased forward, may also indicate the time resource configuration to be biased forward, and may also instruct the time resource configuration to be cycled. Offset, this application does not specifically limit this.
  • the time resource configuration offset forward can be used to represent the frames in the TDM mode configuration in the LTE system but ahead of the NR system.
  • the backward offset of the time resource configuration may be used to indicate a frame in a TDM mode configuration in an LTE system, but is delayed relative to the NR system.
  • the following uses the first system as an LTE system and the second system as an NR system as an example for detailed description.
  • TDM mode configuration a variety of methods for offsetting time resource configuration (TDM mode configuration) are described above.
  • TDM mode configuration a variety of methods for offsetting time resource configuration (TDM mode configuration) are described above.
  • FIG. 5 the offset of time resource configuration in the unit of a subframe is described as an example.
  • FIG. 5 is a schematic diagram illustrating a frame structure of an LTE system and a frame structure of an NR system after a bias according to an embodiment of the present application.
  • the TDM mode of the LTE system is sa1, sa2, sa4, sa5 as an example.
  • the terminal device can send uplink signals to the LTE system and the NR system on different subframes in Figure 3, if the frame structure used in the NR system is DDDSUDDDSU, then the TDM mode that the LTE system cannot use For sa1, sa4.
  • subframe 8 is an uplink subframe U in the frame structure of the LTE system, and a terminal device can send an uplink signal to the LTE system on the subframe 8.
  • the subframe 8 is a special subframe S in the frame structure of the NR system, and the terminal device can send an uplink signal to the NR system on the subframe 8. Therefore, in order to achieve temporal interleaving between the terminal device and the uplink transmission of the LTE system and the uplink transmission of the NR system, the TDM mode that the LTE system cannot use is sa1.
  • the terminal device can send uplink signals to the LTE system and the NR system at the same time. It can also be understood that if the LTE system is a special subframe S or an uplink subframe U on one subframe, the NR system cannot be S and U on the subframe.
  • a bias is added to a TDM configuration mode (time resource configuration), so that the TDM mode configuration of the LTE system after the bias can be compared with the TDM mode configuration of the NR system, which can ensure that the terminal device will not be in the same child.
  • the frame (which may correspond to the time resource described above) sends uplink information to the LTE system and the NR system at the same time.
  • the configuration of the TDM mode that can be used by the system can be increased in an offset manner, thereby enhancing the flexibility of system scheduling.
  • the TDM modes that cannot be used in the LTE system analyzed above are sa1 and sa4 as an example.
  • the LTE system can be enabled.
  • the use of TDM modes for sa1 and sa4 increases the TDM modes that can be used and enhances the flexibility of system scheduling.
  • the uplink and downlink subframe configuration of the LTE system is: DSUUDDSUUD
  • the uplink and downlink subframe configuration of the NR system (without offset) is: DDDSUDDDSU.
  • the TDM mode of the NR system may be offset in units of subframes. For example, the TDM mode of the NR system may be shifted forward by 4 subframes relative to the TDM mode of the NR system.
  • the uplink and downlink subframes of the NR system after the offset are configured as: UDDDSUDDDS.
  • the NR system After the TDM mode of the NR system is biased, when the sa1 configuration mode of the LTE system is a special subframe S or an uplink subframe U on one subframe, the NR system is not a special subframe S and uplink on the subframe. Sub-frame U.
  • the terminal device can send uplink signals to the LTE system and the NR system on different subframes according to the uplink and downlink subframe configuration of the LTE system and the TDM mode of the biased NR system. Therefore, in the process that the terminal equipment needs to perform uplink communication with the LTE system and the NR system, the LTE system can use the TDM mode to configure the uplink and downlink subframes of sa1, which increases the available TDM mode and enhances the flexibility of system scheduling.
  • the uplink and downlink subframe configuration of the LTE system is: DSUUDDDDDD
  • the uplink and downlink subframe configuration of the NR system (without offset) is: DDDSUDDDSU.
  • the TDM mode of the NR system can be offset in units of subframes.
  • the TDM mode of the NR system can be offset by 4 subframes before the TDM mode of the NR system facing the NR system.
  • the uplink and downlink subframes of the NR system after the offset are configured as: UDDDSUDDDS.
  • the NR system After offsetting the TDM mode of the NR system, when the sa4 configuration mode of the LTE system is a special subframe S or an uplink subframe U on one subframe, the NR system is not a special subframe S and uplink on the subframe. Sub-frame U.
  • the terminal device can send uplink signals to the LTE system and the NR system on different subframes according to the uplink and downlink subframe configuration of the LTE system and the TDM mode of the biased NR system. Therefore, in the process that the terminal equipment needs to perform uplink communication with the LTE system and the NR system, the LTE system can use the TDM mode for the uplink and downlink subframe configuration of sa4, which increases the available TDM mode and enhances the flexibility of system scheduling.
  • the NR system when the implementation of the LTE system is a special subframe S or an uplink subframe U on one subframe, the NR system is not a special subframe S and an uplink subframe U on the subframe.
  • the specific manner is not limited.
  • the TDM mode of the LTE system may be biased, the TDM mode of the NR system may be biased, and the cyclic shift bias may also be performed as shown in FIG. 5.
  • FIG. 6 is a schematic block diagram of a terminal device 600 according to an embodiment of the present application.
  • the terminal device 600 may include a receiving module 610, a processing module 620, and a sending module 630.
  • the receiving module 610 is configured to receive first configuration information sent by a first network device
  • the first time resource configuration in the embodiments of the present application may be used to indicate a configuration manner in which a terminal device receives a time resource for uplink data and a time resource for sending downlink data on a same frequency channel, and may be understood as an uplink and downlink Configuration of time resources.
  • the first time resource configuration may be, for example, a TDM mode configuration or a time division duplex (TDD) mode configuration.
  • TDM time division duplex
  • the uplink and downlink time resource configuration in configuration 0 can be DSUUDDSUUD, and for configuration 0, the terminal device can be in the first When uplink data is sent on a time resource, the terminal device can send uplink data, receive downlink data, and send uplink pilot data on a second time resource. The terminal device can receive downlink data on a third time resource.
  • time resources may be understood as subframes, time slots, and other resources that express a period of time, which is not specifically limited in this application.
  • the network device that sends the offset information of the first time resource configuration of the first system to the terminal device is not specifically limited.
  • the network device may be a device that communicates with the terminal device in the first system, and may also be a device that communicates with the terminal device in other systems.
  • the first system is an LTE system
  • it may be the offset information of the first time resource configuration of the LTE system sent by the network device eNB in the LTE system to the terminal device, or it may be the network device gNB in the NR system to the terminal.
  • the device sends the offset information of the first time resource configuration of the LTE system, and may also be a network device in a future 5G network or a network device in a future evolved PLMN network.
  • the processing module 620 performs the following operations through the sending module 630: sending the first uplink information on the first time resource according to the offset information and the first time resource configuration of the first system.
  • the processing module 620 further performs the following operations through the sending module 630: the terminal device sends the second uplink information on the second time resource according to the second time resource configuration in the second system.
  • the terminal device may send the first uplink information to the first system and the second uplink information to the second system on different time resources. That is, the terminal device may bias the first time resource configuration according to the offset information in the first configuration information, so that the terminal device may send the first time resource of the first uplink information to the first system and the second time resource to the second system.
  • the second time resource in which the system sends the second uplink information does not overlap in the time domain. Therefore, while the terminal device can send uplink information to the first system and the second system at different time resources, the first time resource configuration mode that the terminal device can use in the first system or the terminal device in the second system can be added.
  • the second time resource allocation mode that can be used in the system, which can improve the flexibility of system scheduling.
  • the second system is not specifically limited, and may be an LTE system, an NR system, a 3G system, a 4G system, or a PLMN network to be evolved in the future.
  • the first system is an LTE system
  • the second system may be an NR system.
  • the first system is an NR system
  • the first system is an LTE system
  • the first system is an LTE system
  • the first system is an LTE system
  • the first system is an LTE system
  • the first system is an LTE system
  • the first system is an LTE system
  • the first system is an LTE system
  • the first system is an LTE system
  • the first system is an LTE system
  • the first system is an LTE system
  • the first system is an NR system
  • the first system is an NR system.
  • the first time resource configuration is used to instruct the terminal device to send the uplink data or the time resource for receiving downlink data on the first system; the second time resource configuration is used for A time resource for instructing the terminal device to send the uplink data or receive downlink data on the second system.
  • the first configuration information includes at least one of the following: configuration information using a subframe as an offset unit, configuration information using a slot as an offset unit, and using a symbol as The configuration information of the offset unit, the configuration information of a plurality of symbols including at least two symbols as the offset unit, and the configuration information of time as the offset unit.
  • the offset information is information that the first time resource configuration is offset forward or backward, or cyclically.
  • the first system is a long-term evolution LTE system and the second system is a new wireless NR system; or the first system is the NR system and the second system Is the LTE system; or the first system is the LTE system and the second system is the LTE system; or the first system is the NR system and the second system is all The NR system is described.
  • the time resource configuration available to the system is increased, thereby improving the flexibility of system scheduling.
  • FIG. 7 is a schematic block diagram of a network device 700 according to an embodiment of the present application.
  • the terminal device 700 may include a receiving module 710, a processing module 720, and a sending module 730.
  • the processing module 720 performs the following operations through the sending module 730: sending first configuration information to the terminal device according to the second time resource configuration in the second system, where the first configuration information is used to indicate the first system Offset information of the first time resource configuration;
  • the receiving module 710 is configured to receive first uplink information sent by the terminal device on a first time resource in the first system.
  • the first time resource configuration is used to instruct the network device to receive uplink data or send time data of downlink data on the first system; the second time resource configuration is used A time resource for instructing the terminal device to send the uplink data or receive downlink data on the second system.
  • the first configuration information includes at least one of the following: configuration information using a subframe as an offset unit, configuration information using a slot as an offset unit, and using a symbol as The configuration information of the offset unit, the configuration information of a plurality of symbols including at least two symbols as the offset unit, and the configuration information of time as the offset unit.
  • the offset information is information that the first time resource configuration is offset forward or backward, or cyclically.
  • the first system is a long-term evolution LTE system and the second system is a new wireless NR system; or the first system is the NR system and the second system Is the LTE system; or the first system is the LTE system and the second system is the LTE system; or the first system is the NR system and the second system is all The NR system is described.
  • the time resource configuration available to the system is increased, thereby improving the flexibility of system scheduling.
  • FIG. 8 is a schematic block diagram of a terminal device 800 according to an embodiment of the present application.
  • the terminal device 800 may be configured to perform the foregoing steps performed by the terminal device.
  • the terminal device of FIG. 8 may include a memory 810, a processor 820, and a transceiver 830.
  • the processor 820 may be communicatively connected with the transceiver 830.
  • the memory 810 may be used to store program code and data of the terminal device. Therefore, the memory 810 may be a storage unit inside the processor 820, or an external storage unit independent of the processor 820, or may include a storage unit inside the processor 820 and an external storage unit independent of the processor 820. component.
  • the terminal device may further include a bus 840.
  • the memory 810 transceiver 830 may be connected to the processor 820 through a bus 840.
  • the bus 840 may be a peripheral component interconnect (PCI) bus or an extended industry standard architecture (EISA) bus, or the like.
  • the bus 840 may be divided into an address bus, a data bus, a control bus, and the like. For ease of representation, only one thick line is used in FIG. 8, but it does not mean that there is only one bus or one type of bus.
  • the processor 820 may be, for example, a central processing unit (CPU), a general-purpose processor, a digital signal processor (DSP), an application-specific integrated circuit (ASIC), a field programmable gate Array (field programmable array, FPGA) 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 including one or more microprocessors, a combination of a DSP and a microprocessor, and so on.
  • the transceiver 830 may be a circuit including the antenna and the transmitter chain and the receiver chain, and the two may be independent circuits or the same circuit.
  • the transceiver 830 is configured to: receive the first configuration information sent by the first network device;
  • the processor 820 performs the following operations through the transceiver 830: sending the first uplink information on the first time resource according to the offset information and the first time resource configuration of the first system;
  • the processor 820 further performs the following operations through the transceiver 830: the terminal device sends the second uplink information on the second time resource according to the second time resource configuration in the second system.
  • the first time resource configuration is used to instruct the terminal device to send the uplink data or the time resource for receiving downlink data on the first system; the second time resource configuration is used for A time resource for instructing the terminal device to send the uplink data or receive downlink data on the second system.
  • the first configuration information includes at least one of the following: configuration information using a subframe as an offset unit, configuration information using a slot as an offset unit, and using a symbol as The configuration information of the offset unit, the configuration information of a plurality of symbols including at least two symbols as the offset unit, and the configuration information of time as the offset unit.
  • the offset information is information that the first time resource configuration is offset forward or backward, or cyclically.
  • the first system is a long-term evolution LTE system and the second system is a new wireless NR system; or the first system is the NR system and the second system Is the LTE system; or the first system is the LTE system and the second system is the LTE system; or the first system is the NR system and the second system is all The NR system is described.
  • the time resource configuration that can be used by the system is increased, thereby improving the flexibility of system scheduling.
  • FIG. 9 is a schematic block diagram of a network device 900 according to an embodiment of the present application.
  • the network device 900 may be configured to perform the foregoing steps performed by the network device.
  • the network device of FIG. 9 may include a memory 910, a processor 920, and a transceiver 930.
  • the processor 920 may be communicatively connected with the transceiver 930.
  • the memory 910 may be used to store program code and data of the terminal device. Therefore, the memory 910 may be a storage unit inside the processor 920, or an external storage unit independent of the processor 920, or may include a storage unit inside the processor 920 and an external storage unit independent of the processor 920. component.
  • the terminal device may further include a bus 940.
  • the memory 910 transceiver 930 may be connected to the processor 920 through a bus 940.
  • the bus 940 may be a peripheral component interconnect (PCI) bus or an extended industry standard architecture (EISA) bus, or the like.
  • the bus 940 may be divided into an address bus, a data bus, a control bus, and the like. For ease of representation, only a thick line is used in FIG. 9, but it does not mean that there is only one bus or one type of bus.
  • the processor 920 may be, for example, a central processing unit (CPU), a general purpose processor, a digital signal processor (DSP), an application-specific integrated circuit (ASIC), a field programmable gate Array (field programmable array, FPGA) 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 including one or more microprocessors, a combination of a DSP and a microprocessor, and so on.
  • the transceiver 930 may be a circuit including the antenna and the transmitter chain and the receiver chain described above, and the two may be independent circuits or the same circuit.
  • the processor 920 performs the following operations through the transceiver 930: sending first configuration information to a terminal device according to a second time resource configuration in a second system, where the first configuration information is used to indicate the first system Offset information of the first time resource configuration;
  • the transceiver 930 is further configured to receive the first uplink information sent by the terminal device on a first time resource in the first system.
  • the first time resource configuration is used to instruct the network device to receive uplink data or send time data of downlink data on the first system; the second time resource configuration is used A time resource for instructing the terminal device to send the uplink data or receive downlink data on the second system.
  • the first configuration information includes at least one of the following: configuration information using a subframe as an offset unit, configuration information using a slot as an offset unit, and using a symbol as The configuration information of the offset unit, the configuration information of a plurality of symbols including at least two symbols as the offset unit, and the configuration information of time as the offset unit.
  • the offset information is information that the first time resource configuration is offset forward or backward, or cyclically.
  • the first system is a long-term evolution LTE system and the second system is a new wireless NR system; or the first system is the NR system and the second system Is the LTE system; or the first system is the LTE system and the second system is the LTE system; or the first system is the NR system and the second system is all The NR system is described.
  • the time resource configuration available to the system is increased, thereby improving the flexibility of system scheduling.
  • An embodiment of the present application further provides a chip including a memory, a processor, and a transceiver, and the chip is configured to execute the method described in steps 410-430 and the like.
  • the memory is used to store a program
  • the processor may be communicatively connected with the transceiver.
  • the memory may be used to store program code and data of the terminal device. Therefore, the memory may be a storage unit inside the processor, or an external storage unit that is independent of the processor, and may also be a component including a storage unit inside the processor and an external storage unit that is independent of the processor.
  • the processor may be a general-purpose processor, and may be implemented by hardware or software.
  • the processor may be a logic circuit, an integrated circuit, etc .; when implemented by software, the processor may be a general-purpose processor, realized by reading software codes stored in a memory, so The memory may be integrated in the processor, may be located outside the processor, and exist independently.
  • the processor is configured to execute a program stored in the memory, and when the program is executed,
  • the transceiver is configured to perform the operation in step 410: receiving first configuration information sent by a first network device, where the first configuration information indicates offset information of a first time resource configuration of a first system.
  • the processor performs the operation in step 420 through the transceiver: sending the first uplink information on the first time resource according to the offset information and the first time resource configuration.
  • the processor also performs the operation in step 430 through the transceiver: sending the second uplink information on the second time resource according to the second time resource configuration of the second system.
  • An embodiment of the present application further provides a computer-readable storage medium including a computer program, and when the computer program is run on a computer, the computer is caused to execute the method described in steps 410-430 and the like.
  • the embodiment of the present application further provides a computer program product, and when the computer program product runs on a computer, the computer is caused to execute the method described in steps 410-430 and the like.
  • An embodiment of the present application further provides a system, including the foregoing terminal device and / or the foregoing network device.
  • a component may be, but is not limited to, a process running on a processor, a processor, an object, an executable, a thread of execution, a program, and / or a computer.
  • an application running on a computing device and a computing device can be components.
  • One or more components can reside within a process and / or thread of execution, and a component can be localized on one computer and / or distributed between 2 or more computers.
  • these components can execute from various computer readable media having various data structures stored thereon.
  • a component may pass according to a signal having one or more data packets (e.g., data from two components that interact with another component between a local system, a distributed system, and / or a network, such as the Internet that interacts with other systems through signals).
  • Data packets e.g., data from two components that interact with another component between a local system, a distributed system, and / or a network, such as the Internet that interacts with other systems through signals.
  • system and “network” are often used interchangeably herein.
  • the term “and / or” in this document is only a kind of association relationship describing related objects, which means that there can be three kinds of relationships, for example, A and / or B can mean: A exists alone, A and B exist simultaneously, and exists alone B these three cases.
  • the character "/" in this article generally indicates that the related objects are an "or” relationship.
  • B corresponding to A means that B is associated with A, and B can be determined according to A.
  • determining B based on A does not mean determining B based on A alone, but also determining B based on A and / or other information.
  • the disclosed systems, devices, and methods may be implemented in other ways.
  • the device embodiments described above are only schematic.
  • the division of the unit is only a logical function division.
  • multiple units or components may be combined or Can be integrated into another system, or some features can be ignored or not implemented.
  • the displayed or discussed mutual coupling or direct coupling or communication connection may be indirect coupling or communication connection through some interfaces, devices or units, which may be electrical, mechanical or other forms.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, may be located in one place, or may be distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the objective of the solution of this embodiment.
  • each functional unit in each embodiment of the present application may be integrated into one processing unit, or each of the units may exist separately physically, or two or more units may be integrated into one unit.
  • the functions are implemented in the form of software functional units and sold or used as independent products, they can be stored in a computer-readable storage medium.
  • the technical solution of this application is essentially a part that contributes to the existing technology or a part of the technical solution can be embodied in the form of a software product.
  • the computer software product is stored in a storage medium, including Several instructions are used to cause a computer device (which may be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the method described in the embodiments of the present application.
  • the aforementioned storage media include: U disks, mobile hard disks, read-only memories (ROMs), random access memories (RAMs), magnetic disks or compact discs and other media that can store program codes .

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Abstract

La présente invention concerne un procédé de configuration de ressources temporelles de liaison montante et de liaison descendante. Le procédé comprend les étapes suivantes : un dispositif terminal reçoit des premières informations de configuration envoyées par un premier dispositif de réseau, les premières informations de configuration étant utilisées pour indiquer des informations de décalage d'une première configuration de ressource temporelle d'un premier système ; le dispositif terminal envoie des premières informations de liaison montante sur une première ressource temporelle en fonction des informations de décalage et de la première configuration de ressource temporelle du premier système ; le dispositif terminal envoie des secondes informations de liaison montante sur une seconde ressource temporelle en fonction d'une seconde configuration de ressource temporelle dans un second système, la première ressource temporelle et la seconde ressource temporelle ne se chevauchant pas entre elles. La solution technique fournie par la présente invention permet d'augmenter les configurations de ressources temporelles disponibles pour le système dans un scénario où un dispositif terminal est doublement connecté à deux systèmes, ce qui permet d'améliorer la flexibilité de planification du système.
PCT/CN2019/097798 2018-07-27 2019-07-26 Procédé et appareil de configuration de ressources temporelles de liaison montante et de liaison descendante Ceased WO2020020315A1 (fr)

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EP4401481A4 (fr) * 2021-10-22 2024-10-30 Huawei Technologies Co., Ltd. Procédé et appareil d'attribution de ressources dans un scénario à connexions multiples
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