WO2023169489A1 - Procédé et dispositif de configuration de créneau temporel - Google Patents

Procédé et dispositif de configuration de créneau temporel Download PDF

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Publication number
WO2023169489A1
WO2023169489A1 PCT/CN2023/080382 CN2023080382W WO2023169489A1 WO 2023169489 A1 WO2023169489 A1 WO 2023169489A1 CN 2023080382 W CN2023080382 W CN 2023080382W WO 2023169489 A1 WO2023169489 A1 WO 2023169489A1
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WIPO (PCT)
Prior art keywords
subband
time slot
slot configuration
bwp
serving cell
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PCT/CN2023/080382
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English (en)
Chinese (zh)
Inventor
雷珍珠
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展讯半导体(南京)有限公司
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Publication of WO2023169489A1 publication Critical patent/WO2023169489A1/fr

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Classifications

    • 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
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/14—Two-way operation using the same type of signal, i.e. duplex
    • 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
    • H04W72/0457—Variable allocation of band or rate
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/11—Semi-persistent scheduling

Definitions

  • the embodiments of the present application relate to the field of mobile communication technology, and in particular, to a time slot configuration method and device.
  • BWP Bandwidth Part
  • subband full-duplex dynamically scheduled transmission and reception can be performed through frequency domain resources designated by the base station without uplink and downlink conflicts; however, for periodic or semi-static transmission, the base station cannot instruct transmission/reception in real time.
  • Frequency domain resources the UE may use the downlink subband frequency domain resources for periodic or semi-static uplink transmission, thereby affecting the downlink reception of other UEs; in addition, the UE may also use the uplink subband frequency domain resources for periodic or semi-static uplink transmission. downlink reception, resulting in the UE not receiving the expected signal.
  • the embodiments of this application provide a time slot configuration method and device, which can solve the technical problem in the prior art that uplink and downlink frequency domain resources are prone to conflicts.
  • the embodiments of this application provide a time slot configuration method and device, which can solve the technical problem in the prior art that uplink and downlink frequency domain resources are prone to conflicts.
  • embodiments of the present application provide a time slot configuration method, which is applied to a UE, and the UE is in subband full-duplex mode.
  • the method includes:
  • the indication information includes the time slot configuration information of each subband of the UE in the serving cell or bandwidth part BWP.
  • the UE includes N subbands in the serving cell or BWP, where N is A positive integer; the subband represents a continuous transmission resource in the frequency domain;
  • the time slot configuration of the subband used by the UE is determined.
  • the receiving indication information sent by the network device includes:
  • the second message includes dynamic time slot configuration information of each subband of the UE in the serving cell or BWP, and the dynamic time slot configuration information of each subband Contains the index of the slot format combination used by each subband.
  • the time slot format combination used by each subband belongs to a time slot format set, and the time slot format set includes multiple time slot format combinations.
  • the first message is a Radio Resource Control (Radio Resource Control, RRC) message
  • the RRC message includes N subband time slot configuration information, and each of the subband time slot configuration information includes subband identification information and semi-static time slot configuration information.
  • the RRC message also includes configuration information of each slot format combination in the slot format set;
  • the configuration information of the time slot format combination includes subband identification information and available time slot format combinations
  • the time slot format combination configuration information includes BWP identification information, subband identification information and available time slot format combinations.
  • the second message is a downlink control message (Downlink Control Information, DCI).
  • DCI Downlink Control Information
  • the DCI when the subband full-duplex mode is configured in the serving cell, the DCI is used to indicate the time slot format combination used by the UE in each subband in the serving cell. index;
  • the DCI is used to indicate the index of the slot format combination used by the UE in each subband in the BWP.
  • determining the time slot configuration of the subband used by the UE according to the indication information includes:
  • the subband full-duplex mode When the subband full-duplex mode is configured in the serving cell, determine the time slot configuration of the subband used by the UE according to the time slot configuration information of the subband where the UE is located;
  • the time slot configuration of the subband used by the UE is determined according to the time slot configuration information of each subband of the UE in the BWP.
  • embodiments of the present application provide a time slot configuration method, which is applied to network equipment.
  • the method includes:
  • the UE is in subband full-duplex mode.
  • the indication information includes the time slot configuration information of each subband of the UE in the serving cell or BWP.
  • the UE is in the serving cell or BWP. Including N sub-bands, N is a positive integer; the sub-band represents a continuous transmission resource in the frequency domain;
  • sending the indication information to the UE includes:
  • the second message includes dynamic time slot configuration information of each subband of the UE in the serving cell or BWP, and the dynamic time slot configuration information of each subband includes the Index of the slot format combination used by each subband.
  • the time slot format combination used by each subband belongs to a time slot format set, and the time slot format set includes multiple time slot format combinations.
  • the first message is an RRC message
  • the RRC message includes N subband time slot configuration information, and each of the subband time slot configuration information includes subband identification information and semi-static time slot configuration information.
  • the RRC message also includes configuration information of each slot format combination in the slot format set;
  • the configuration information of the time slot format combination includes subband identification information and available time slot format combinations
  • the time slot format combination configuration information includes BWP identification information, subband identification information and available time slot format combinations.
  • the second message is DCI.
  • the DCI when the subband full-duplex mode is configured in the serving cell, the DCI is used to indicate the time slot format combination used by the UE in each subband in the serving cell. index;
  • the DCI is used to indicate the index of the slot format combination used by the UE in each subband in the BWP.
  • embodiments of the present application provide a time slot configuration device, which is applied to a UE, and the UE is in subband full-duplex mode.
  • the device includes:
  • a receiving module configured to receive indication information sent by a network device, where the indication information includes time slot configuration information of each subband of the UE in the serving cell or BWP, and the UE includes N subbands in the serving cell or BWP.
  • N is a positive integer; the subband represents a continuous transmission resource in the frequency domain;
  • a processing module configured to determine the time slot configuration of the subband used by the UE according to the indication information.
  • inventions of the present application provide a time slot configuration device, which is used in network equipment.
  • the device includes:
  • the serving cell or BWP includes N subbands, where N is a positive integer; the subband represents a continuous transmission resource in the frequency domain;
  • a sending module configured to send the indication information to the UE.
  • embodiments of the present application provide a user equipment, including: at least one processor and a memory;
  • the memory stores computer execution instructions
  • the at least one processor executes the computer execution instructions stored in the memory, so that the at least one processor executes the time slot configuration method provided in the first aspect.
  • embodiments of the present application provide a network device, including: at least one processor and a memory;
  • the memory stores computer execution instructions
  • the at least one processor executes the computer execution instructions stored in the memory, so that the at least one processor executes the time slot configuration method provided in the second aspect.
  • embodiments of the present application provide a computer-readable storage medium.
  • Computer-executable instructions are stored in the computer-readable storage medium.
  • the processor executes the computer-executable instructions, the method provided in the first aspect is implemented. Time slot configuration method.
  • the time slot configuration method provided in the second aspect is implemented.
  • embodiments of the present application provide a computer program product, including a computer program.
  • the computer program is executed by a processor, the time slot configuration method provided in the first aspect is implemented.
  • the time slot configuration method provided in the second aspect is implemented.
  • the network device can enable the UE to obtain the subband time slots in the entire cell by sending the UE the time slot configuration information of each subband in the serving cell or BWP. Configuration or subband slot configuration on the entire BWP. Since the UE can know the subband time slot configuration on the entire cell or the subband time slot configuration on the entire BWP, the UE can perform uplink and downlink transmission on the corresponding frequency domain resources, and can maximize the use of all available frequency domain resources, and Conflicts in uplink and downlink frequency domain resources are avoided.
  • Figure 1 is a schematic architectural diagram of a wireless communication system provided in an embodiment of the present application.
  • FIGS. 2a to 2d are schematic diagrams of several transmission resource configurations provided by embodiments of the present application.
  • Figure 3 is a schematic flow chart of a time slot configuration method provided by an embodiment of the present application.
  • Figure 4 is a schematic diagram 1 comparing the existing standard time slot configuration method and the subband time slot configuration method provided by the embodiment of the present application;
  • Figure 5 is a schematic diagram 2 comparing the existing standard time slot configuration method and the subband time slot configuration method provided by the embodiment of the present application;
  • Figure 6 is a schematic flow chart of another time slot configuration method provided by an embodiment of the present application.
  • Figure 7 is a signaling diagram of a time slot configuration method provided by an embodiment of the present application.
  • Figure 8 is a schematic diagram of a program module of a time slot configuration device provided by an embodiment of the present application.
  • Figure 9 is a schematic diagram of a program module of another time slot configuration device provided by an embodiment of the present application.
  • Figure 10 is a schematic diagram of the hardware structure of an electronic device provided in an embodiment of the present application.
  • module means any known or later developed hardware, software, firmware, artificial intelligence, fuzzy logic or combination of hardware or/and software code capable of performing the function associated with that element.
  • Embodiments of the present application can be applied to various wireless communication systems, such as: Global System of Mobile communication (GSM) system, Code Division Multiple Access (Code Division Multiple Access, CDMA) system, Wideband Code Division Multiple Access (Wideband) Code Division Multiple Access (WCDMA) system, General Packet Radio Service (GPRS), Long Term Evolution (LTE) system, Advanced long term evolution (LTE-A) system, new Wireless (New Radio, NR) system, evolution system of NR system, LTE (LTE-based access to unlicensed spectrum, LTE-U) system on unlicensed spectrum, NR (NR-based access to unlicensed spectrum) on unlicensed spectrum , NR-U) system or other communication systems, etc.
  • GSM Global System of Mobile communication
  • CDMA Code Division Multiple Access
  • Wideband Code Division Multiple Access Wideband Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • GPRS General Packet Radio Service
  • LTE Long Term Evolution
  • LTE-A Advanced long term evolution
  • the wireless communication system in the embodiment of the present application can be applied to a carrier aggregation (Carrier Aggregation, CA) scenario, a dual connectivity (Dual Connectivity, DC) scenario, or an independent (Standalone, SA) netting scene.
  • Carrier Aggregation, CA Carrier Aggregation, CA
  • DC Dual Connectivity
  • SA independent
  • FIG. 1 is a schematic architectural diagram of a wireless communication system provided in an embodiment of the present application.
  • the wireless communication system provided by this embodiment includes a terminal device 101 and a network device 102.
  • the terminal device 101 can be various forms of user equipment (User Equipment, referred to as UE), access terminal, user unit, user station, mobile station, mobile station (mobile station, referred to as MS), remote station, remote Terminal, mobile device, wireless communication device, user agent or user device. It can also be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a Wireless Local Loop (WLL) station, a handheld computer (Personal Digital Assistant, or PDA), or a mobile phone with wireless communication capabilities.
  • UE User Equipment
  • MS mobile station
  • remote station remote Terminal
  • mobile device wireless communication device
  • wireless communication device user agent or user device.
  • It can also be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a Wireless Local Loop (WLL) station, a handheld computer (Personal Digital Assistant, or PDA), or a mobile phone with wireless communication capabilities.
  • the embodiment of the present application is not limited to this, as long as the terminal equipment can wirelessly communicate with the network device 102.
  • the network device 102 is a public mobile communication network device. It is an interface device for the terminal device 101 to access the Internet. It is also a form of radio station. It refers to the communication with the terminal device in a certain radio coverage area.
  • Radio transceivers for information transmission include Base Station (BS), which can also be called base station equipment. It is a device deployed in the Radio Access Network (RAN) to provide wireless communication functions.
  • BS Base Station
  • RAN Radio Access Network
  • the equipment that provides the base station function in the 2G network includes the Base Transceiver Station (BTS)
  • the equipment that provides the base station function in the 3G network includes the NodeB
  • the equipment that provides the base station function in the 4G network includes the Evolution Node B (evolved NodeB, eNB).
  • the device that provides base station functions is the access point (Access Point, AP for short).
  • Access referred to as E-UTRA
  • E-UTRA Evolved Universal Terrestrial Radio
  • both gNB and ng-eNB can be connected to the 5G core network.
  • the network device 103 in the embodiment of the present application also includes equipment that provides base station functions in new communication systems in the future.
  • the embodiment of this application defines the one-way communication link from the access network to the UE as downlink (DL), the data transmitted on the downlink is downlink data, and the transmission direction of downlink data is called the downlink direction; and
  • the one-way communication link from the UE to the access network is the uplink (UL), the data transmitted on the uplink is uplink data, and the transmission direction of the uplink data is called the uplink direction.
  • Time division duplex (TDD) system for downlink transmission provides opportunities for the enhancement of uplink services.
  • Figures 2a to 2d are schematic diagrams of several transmission resource configurations provided by the embodiment of the present application.
  • subband full-duplex divides frequency domain resources into different subbands on the base station side. Different subbands perform downlink transmission and uplink reception at the same time. For UE, half-duplex is still supported. At a certain point in time, Downlink reception can only be performed on the downlink subband, or uplink transmission can be performed on the uplink subband.
  • BWP Bandwidth Part
  • subband full-duplex dynamically scheduled transmission and reception can be performed through frequency domain resources designated by the base station without uplink and downlink conflicts; however, for periodic or semi-static transmission, the base station cannot instruct transmission/reception in real time.
  • Frequency domain resources At a certain moment, because the UE does not know the subband and intra-subband time slot information, it may use the downlink subband frequency domain resources for periodic or semi-static uplink transmission, thus affecting the downlink reception of other UEs; In addition, the UE may also perform periodic or semi-static downlink reception on the uplink subband, resulting in failure to receive the expected signal.
  • BWP is a subset of the total bandwidth of the serving cell. It flexibly adjusts the UE receiving and transmitting bandwidth through bandwidth adaptation in NR, so that the UE receiving and transmitting bandwidth does not need to be as large as the bandwidth of the cell. For example: 1) When the UE is in a low activity period, gNB can reduce the UE's bandwidth (BWP) through high-layer signaling or DCI instructions, which can save the UE's power; 2) gNB indicates that the position of the BWP can move in the frequency domain, so Increased scheduling flexibility; 3) gNB can instruct the UE to change the subcarrier spacing, thus allowing different services.
  • BWP UE's bandwidth
  • gNB broadcasts the cell's unique semi-static uplink and downlink time slot configuration in System Information Block type 1 (SIB1 for short).
  • SIB1 System Information Block type 1
  • This time slot configuration cycle can contain two time slot patterns (pattern), and each pattern can contain UL, DL and flexible time slot (slot)/symbol (symbol).
  • slot flexible time slot
  • symbol symbol
  • nrofUplinkSymbols (the number of uplink symbols before all uplink slots) + nrofUplinkSlots (the number of all uplink slots) ) uplink symbols and time slots, and the remaining unconfigured time slots are flexible slots/symbols.
  • the gNB can configure a cell-level semi-static time slot configuration similar to that broadcast by SIB1, or it can configure a UE-level semi-static uplink and downlink time slot configuration or dynamic uplink and downlink time slot configuration for each UE.
  • the UE-level time slot configuration cannot change the configuration of cell-level UL and DL slot/symbol, and only the flexible slot/symbol can be configured as UL or DL.
  • the entire slot can be configured as uplink or downlink at the slot granularity, or the specified slot can be configured at the symbol granularity, that is, the slot starts with nrofDownlinkSymbols downlink symbols and ends with nrofUplinkSymbols End of ascending symbol.
  • the slot starts with nrofDownlinkSymbols downlink symbols and ends with nrofUplinkSymbols End of ascending symbol.
  • the above time slot configuration methods are configured based on the entire BWP. That is to say, for a UE, the entire BWP is DL/UL/flexible, that is, a UE will send or receive on the entire BWP resource.
  • the subband full-duplex needs to transmit/receive on the uplink/downlink frequency domain subband.
  • For dynamically scheduled transmission and Reception can be carried out through the frequency domain resources specified by the base station, without uplink and downlink conflicts.
  • the base station cannot instruct the transmission/reception of frequency domain resources in real time, which may cause conflicts in the transceiver resources of different terminals.
  • embodiments of the present application provide a time slot configuration method and device, which performs time slot configuration for each subband, and notifies the UE of the subband time slot information through RRC and/or DCI, so that the UE can Obtain the subband time slot configuration on the entire serving cell or the subband time slot configuration on the entire BWP, and then transmit and receive on the corresponding uplink/downlink subband; because the UE can know the subband time slots on the entire serving cell Configuration or subband time slot configuration on the entire BWP, so that all available resources can be fully used and conflicts in uplink and downlink transmissions can be avoided.
  • Detailed examples are used for detailed description below.
  • Figure 3 is a schematic flow chart of a time slot configuration method provided by an embodiment of the present application.
  • the time slot configuration method can be applied to a UE, and the UE is in subband full-duplex mode.
  • the above time slot configuration method may be executed by the UE, or may be executed by a chip or a specific module in the UE, which is not limited in the embodiments of this application.
  • the method includes:
  • the indication information includes the time slot configuration information of each subband of the UE in the serving cell or BWP.
  • the above-mentioned UE includes N subbands in the serving cell or BWP, and N is a positive integer.
  • the above subband may represent a continuous transmission resource in the frequency domain.
  • the time slot structure configuration adopts semi-static configuration and dynamic configuration.
  • semi-static configuration is configured through RRC messages
  • dynamic configuration is indicated through DCI.
  • the time slot structure configuration is divided into cell level and UE level.
  • the cell level configuration is configured by IE TDD-UL-DL-ConfigurationCommon.
  • TDD-UL-DL-ConfigDedicated For UE-level dedicated time slots, it is indicated by TDD-UL-DL-ConfigDedicated.
  • Figure 4 is a schematic diagram comparing the existing standard time slot configuration method and the subband time slot configuration method provided by the embodiment of the present application.
  • time slot configuration can only be performed on the entire BWP.
  • the entire BWP is configured as uplink/downlink/flexible resources, as shown in the figure 4 shown in the upper part.
  • subband time slot configuration method In the subband time slot configuration method provided by the embodiment of this application, subband UE-level semi-static time slot configuration is introduced, and time slots are configured for the five subbands of the serving cell respectively.
  • time slots of the serving cell Through subband dynamic time slot configuration, the time slots of the serving cell are configured respectively.
  • the five subbands on the cell are configured for time slots, as shown in the lower half of Figure 4.
  • Figure 5 is a schematic diagram 2 comparing the existing time slot configuration method and the subband time slot configuration method provided by the embodiment of the present application.
  • time slot configuration can only be performed on the entire BWP.
  • the entire BWP is configured as uplink/downlink/flexible resources, as shown in the figure 5 shown in the upper part.
  • subband time slot configuration method provided by the embodiment of this application, subband UE-level semi-static time slot configuration is introduced, and the time slots are configured for the three subbands of the BWP respectively.
  • the serving cell is configured separately.
  • the time slot configuration is performed on the three sub-bands, as shown in the lower half of Figure 5.
  • the network device can send the time slot configuration information of each subband of the UE in the serving cell or BWP to the UE through the above indication information.
  • the UE receives the above indication information sent by the network device, that is, The time slot configuration information of each subband in the serving cell or BWP can be obtained.
  • the UE when the subband full-duplex information is configured on the serving cell carrier, after the UE learns its own time slot configuration information of each subband in the serving cell according to the above indication information, the UE can obtain the time slot configuration information through the BWP position. The subband you are currently in, and then select all available frequency domain resources of the subband you are currently in from all the learned subband time slot configurations, and send or receive on them, thereby ensuring that the frequency domain resources can It is effectively utilized and resource conflicts between different terminals are avoided.
  • the UE when the subband full-duplex information is configured on the BWP, the UE can learn its own time slot configuration information of all subbands in the entire BWP based on the above indication information, thereby obtaining all its available frequency domain resources. , sending or receiving on it can also ensure that frequency domain resources can be effectively utilized and avoid resource conflicts between different terminals.
  • the UE since the UE can know the subband time slot configuration on the entire cell or the subband time slot configuration on the entire BWP, the UE can perform uplink and downlink transmission on the corresponding frequency domain resources. It can make maximum use of all available frequency domain resources and avoid conflicts in uplink and downlink frequency domain resources.
  • FIG. 6 is a schematic flowchart of another time slot configuration method provided by an embodiment of the present application. This time slot configuration method can be applied to network equipment.
  • the above time slot configuration method may be executed by a network device, or may be executed by a chip or a specific module in the network device, which is not limited in the embodiments of this application.
  • the method includes:
  • the indication information includes the time slot configuration information of each subband of the UE in the serving cell or bandwidth part BWP.
  • the above-mentioned UE is in the sub-band full-duplex mode, the above-mentioned UE includes N sub-bands in the serving cell or BWP, and N is a positive integer; the above-mentioned sub-bands can represent a continuous transmission resource in the frequency domain;
  • the network device sends a first message to the UE, the first message includes Semi-static time slot configuration information of each subband in the serving cell or BWP; sending a second message to the UE, the second message including the dynamic time slot configuration information of each subband of the UE in the serving cell or BWP, where , the dynamic time slot configuration information of each subband includes the index of the time slot format combination used by each subband.
  • the above-mentioned first message is an RRC message
  • the RRC message includes N subband time slot configuration information
  • each subband time slot configuration information includes subband identification information and semi-static time slot configuration information.
  • the second message is DCI.
  • first message and/or second message may also be a Media Access Control layer Control Element (MAC CE for short), which is not limited in the embodiments of this application. .
  • MAC CE Media Access Control layer Control Element
  • the network device can enable the UE to obtain the subband time slot configuration of the entire cell by sending the time slot configuration information of each subband of the UE in the serving cell or BWP to the UE. Subband slot configuration across the entire BWP. Since the UE can know the subband time slot configuration on the entire cell or the subband time slot configuration on the entire BWP, the UE can perform uplink and downlink transmission on the corresponding frequency domain resources, and can maximize the use of all available frequency domain resources, and Conflicts in uplink and downlink frequency domain resources are avoided.
  • Figure 7 is a signaling diagram of a time slot configuration method provided by an embodiment of the present application. The method includes:
  • the network device determines the indication information of the UE.
  • the above-mentioned UE is in subband full-duplex mode, and the above-mentioned indication information includes the time slot configuration information of each subband of the UE in the serving cell or bandwidth part BWP; the above-mentioned UE includes N subbands in the serving cell or BWP, and N is Positive integer.
  • the above subband can represent a continuous transmission resource in the frequency domain.
  • the network device sends the above indication information to the UE.
  • the UE After receiving the above indication information, the UE determines the time slot configuration of the subband used by the UE according to the above indication information.
  • the UE receives a first message sent by the network device, which includes the semi-static time slot configuration information of each subband of the UE in the serving cell or BWP; the UE receives the first message sent by the network device.
  • the second message includes the dynamic time slot configuration information of each subband of the UE in the serving cell or BWP, wherein the dynamic time slot configuration information of each subband includes the time slot used by each subband. Index of format combinations.
  • the time slot format combination used by each of the above subbands belongs to a time slot format set, and the time slot format set includes multiple time slot format combinations.
  • the above-mentioned first message is an RRC message
  • the RRC message includes N subband time slot configuration information
  • each subband time slot configuration information includes subband identification information and semi-static time slot configuration information.
  • the above RRC message also includes the configuration information of each slot format combination in the slot format set; when the subband full-duplex mode is configured in the serving cell, the configuration information of the slot format combination includes the subband Identification information and available time slot format combinations; when the subband full-duplex mode is configured in BWP, the time slot format combination configuration information includes BWP identification information, subband identification information and available time slot format combinations.
  • the above-mentioned second message is DCI.
  • the above DCI is used to indicate the index of the time slot format combination used by the UE in each subband in the serving cell; when the subband full-duplex mode is configured in the BWP, The above DCI is used to indicate the index of the slot format combination used by the UE in each subband in the BWP.
  • the UE determines that the UE uses the timeslot configuration of the subband based on the timeslot configuration information of the current subband; when the subband full-duplex mode When the mode is configured in BWP, the UE determines the time slot configuration of the subband used by the UE based on the current time slot configuration information of each subband in the BWP.
  • the network device can configure UE-level subband slot information in RRC in the following manner.
  • tdd-UL-DL-ConfigurationDedicatedSubband includes 1 to maxNrofSubbands TDD-UL-DL-ConfigDedicatedSubbands, where, if the full-duplex subband information is defined on the serving cell, the above maxNrofSubbands is on the serving cell. The number of all subbands; if the full-duplex subband information is defined on the BWP, the above maxNrofSubbands is the number of all subbands on the BWP.
  • the above TDD-UL-DL-ConfigDedicatedSubband adds an IE subbandID to the IE TDD-UL-DL-ConfigDedicated to indicate which subband the configured timeslot belongs to, and its value range is 0 to maxNrofSubbands-1. If the full-duplex subband information is defined on the serving cell, the subbandID value is defined on the serving cell; if the full-duplex subband information is defined on the BWP, the subbandID value is defined on the BWP. This allows UE-level semi-static slot configuration to be defined for subbands via tdd-UL-DL-ConfigurationDedicatedSubband.
  • the network device can configure the subband slot format combination (slot format combination) in RRC in the following manner.
  • the dynamic slot configuration is through DCI 2_0, and one of the above slot format combinations is selected as the subband slot configuration. .
  • an IE slotFormatCombToAddModList-subbands can be added under the SlotFormatIndicator, which contains 1 to maxNrofSubbandsAggregatedCellsPerCellGroup SlotFormatCombinationPerCell-subbands, used to indicate the available slot format combinations for each subband, and its length is 1 to maxNrofSubbandsAggregatedCellsPerCellGroup.
  • maxNrofSubbandsAggregatedCellsPerCellGroup represents the number of all subbands on all serving cells in the primary serving cell group (PCG); if the full-duplex subband information is defined on the BWP , maxNrofSubbandsAggregatedCellsPerCellGroup represents the total number of all subbands on all BWPs on all serving cells in the PCG.
  • SlotFormatCombinationPerCell-subbands defines the possible slot format combinations of a certain subband on a certain serving cell, and SlotFormatCombinationPerCell-subbands adds an IE subbandId relative to SlotFormatCombinationPerCell.
  • SlotFormatCombinationPerCell-subbands defines the possible subbands on a certain BWP on a certain serving cell
  • SlotFormatCombinationPerCell-subbands adds two IEs compared to SlotFormatCombinationPerCell, one is BWPId and the other is subbandId, which is used to indicate which subband under which BWP of which serving cell this slot format combination is applicable to.
  • the Slot format indicator field of DCI 2_0 is used to instruct a serving cell of the UE to select which index of the slot format combination in RRC.
  • the number of Slot format indicator is the number configured in slotFormatCombToAddModList in RRC, which is The position of DCI 2_0 is indicated by the position DCI under SlotFormatCombinationsPerCell of each serving cell in RRC.
  • the subband slot configuration of the UE is indicated through DCI 2_0.
  • the Slot format indicator field in DCI 2_0 indicates which index of the slot format combination in the RRC is selected for a subband under a certain serving cell of the UE.
  • the number of Slot format indicators is the number configured by slotFormatCombToAddModList-subbands in RRC, and its position at DCI 2_0 is indicated by the position DCI under the corresponding subband SlotFormatCombinationsPerCell-subbands in the corresponding serving cell in RRC.
  • the Slot format indicator field in DCI 2_0 indicates which index of the slot format combination in the RRC is selected for a subband of a BWP under a certain serving cell of the UE.
  • the number of Slot format indicators is the number configured by slotFormatCombToAddModList-subbands in RRC, and its position at DCI 2_0 is indicated by the positionDCI under SlotFormatCombinationsPerCell-subbands of the subband corresponding to the BWP in the corresponding serving cell in RRC.
  • the embodiment of the present application also provides a time slot configuration device, which is applied to the UE.
  • Figure 8 is a diagram of a time slot configuration device provided by the embodiment of the present application. Schematic diagram of program module. As shown in Figure 8, the time slot configuration device 80 includes:
  • the receiving module 801 is configured to receive indication information sent by the network device, where the indication information includes the time slot configuration information of each subband of the UE in the serving cell or BWP.
  • the above-mentioned UE includes N subbands in the serving cell or BWP, and N is a positive integer.
  • the above subband can represent a continuous transmission resource in the frequency domain.
  • the processing module 802 is configured to determine the time slot configuration of the subband used by the UE according to the above indication information.
  • processing module 802 is specifically used to:
  • the dynamic time slot configuration information of each subband in the serving cell or BWP includes the index of the time slot format combination used by each subband.
  • the above-mentioned first message is a radio resource control RRC message.
  • the RRC message includes N subband time slot configuration information, and each subband time slot configuration information includes subband identification information and semi-static time slots. Configuration information.
  • the above RRC message also includes configuration information of each slot format combination in the slot format set; when the subband full-duplex mode is configured in the serving cell, the The configuration information of the time slot format combination includes subband identification information and available time slot format combinations; when the subband full-duplex mode is configured in the BWP, the time slot format combination configuration information includes BWP identification information, Subband identification information and available slot format combinations.
  • the second message is DCI.
  • the above-mentioned DCI is used to indicate the index of the time slot format combination used by the UE in each subband in the serving cell.
  • the DCI is used to indicate the index of the time slot format combination used by the UE in each subband in the BWP.
  • processing module 802 is specifically used to:
  • the time slot configuration of the subband used by the UE is determined according to the time slot configuration information of the subband where the UE is located; when the subband full-duplex mode When the working mode is configured in the BWP, the time slot configuration of the subband used by the UE is determined according to the time slot configuration information of each subband of the UE in the BWP.
  • the time slot configuration device can enable the UE to obtain the subband time slot configuration on the entire cell or the subband time slot configuration on the entire BWP, so that the UE can perform uplink and downlink transmission on the corresponding frequency domain resources. , can make maximum use of all available frequency domain resources, and avoid conflicts in uplink and downlink frequency domain resources.
  • the embodiment of the present application also provides a time slot configuration device for use in network equipment.
  • Figure 9 shows a time slot configuration device provided by the embodiment of the present application. Schematic diagram of the program module. As shown in Figure 9, the time slot configuration device 90 includes:
  • the configuration module 901 is used to determine the indication information of the UE.
  • the UE is in the subband full-duplex mode.
  • the indication information includes the time slot configuration information of each subband of the UE in the serving cell or BWP.
  • the UE is in the serving cell or BWP.
  • the serving cell or BWP includes N subbands, and N is a positive integer.
  • the above subband represents a continuous transmission resource in the frequency domain.
  • the sending module 902 is configured to send the above indication information to the UE.
  • the sending module 902 is specifically used to:
  • Semi-static time slot configuration information sending a second message to the UE, the second message includes the dynamic time slot configuration information of each subband of the UE in the serving cell or BWP, and the dynamic time slot configuration information of each subband includes all Index of the slot format combination used by each subband.
  • the time slot format combination used by each of the above subbands belongs to a time slot format set, and the time slot format set includes multiple time slot format combinations.
  • the above-mentioned first message is an RRC message
  • the RRC message includes N sub-band time slot configuration information
  • each of the sub-band time slot configuration information includes sub-band identification information and semi-static time slot configuration. information.
  • the above RRC message also includes configuration information of each slot format combination in the slot format set; when the subband full-duplex mode is configured in the serving cell, the The configuration information of the time slot format combination includes subband identification information and available time slot format combinations; when the subband full-duplex mode is configured in the BWP, the time slot format combination configuration information includes BWP identification information, Subband identification information and available slot format combinations.
  • the second message is DCI.
  • the DCI when the subband full-duplex mode is configured in the serving cell, the DCI is used to indicate the time slot format combination used by the UE in each subband in the serving cell. Index; when the subband full-duplex mode is configured in the BWP, the DCI is used to indicate the index of the time slot format combination used by the UE in each subband in the BWP.
  • the time slot configuration device can enable the UE to obtain the subband time slot configuration of the entire cell or the entire BWP by sending the time slot configuration information of each subband of the UE in the serving cell or BWP to the UE. subband slot configuration on. Since the UE can know the subband time slot configuration on the entire cell or the subband time slot configuration on the entire BWP, the UE can perform uplink and downlink transmission on the corresponding frequency domain resources, making maximum use of all available frequency domain resources, and Conflicts in uplink and downlink frequency domain resources are avoided.
  • each module included in the time slot configuration device described in the above embodiment may be a software module or a hardware module, or it may be partly a software module and partly a hardware module.
  • each module contained therein can be implemented in the form of hardware such as circuits, or at least some of the modules can be implemented in the form of a software program that runs inside the chip.
  • the remaining (if any) modules can be implemented using hardware such as circuits; for various devices and products applied to or integrated into the chip module, each module included in them can be implemented using hardware such as circuits.
  • different modules can be located in the same component (such as a chip, circuit module, etc.) or in different components of the chip module, or at least some of the modules can be implemented in the form of a software program that runs on the integrated processing within the chip module.
  • the remaining (if any) modules can be implemented using hardware such as circuits; for each device or product that is applied or integrated into the terminal, the modules included in it can all be implemented using hardware such as circuits, and different modules can be located in the terminal.
  • the same component for example, chip, circuit module, etc.
  • the remaining (if any) modules can be implemented in hardware such as circuits.
  • embodiments of the present application also provide a user equipment, which includes at least one processor and a memory; wherein the memory stores computer execution instructions; the at least one processor Execute computer execution instructions stored in the memory to implement various steps performed by the UE in the above time slot configuration method.
  • embodiments of the present application also provide a network device, which includes at least one processor and a memory; wherein the memory stores computer execution instructions; the at least one processor The computer execution instructions stored in the memory are executed to implement each step performed by the network device in the above time slot configuration method.
  • FIG. 10 is a schematic diagram of the hardware structure of an electronic device provided by an embodiment of the present application.
  • the electronic device 100 of this embodiment includes: a processor 1001 and a memory 602; where
  • Memory 1002 used to store computer execution instructions
  • the processor 1001 is configured to execute computer execution instructions stored in the memory to implement various steps executed by the network device in the time slot configuration method described in the above embodiment; or. To implement various steps performed by the UE in the time slot configuration method described in the above embodiments, please refer to the relevant descriptions in the foregoing method embodiments for details.
  • the memory 1002 can be independent or integrated with the processor 1001.
  • the device When the memory 1002 is provided independently, the device also includes a bus 1003 for connecting the memory 1002 and the processor 1001.
  • Embodiments of the present application provide a computer-readable storage medium.
  • Computer-executable instructions are stored in the computer-readable storage medium.
  • the processor executes the computer-executed instructions, the network in the time slot configuration method described in the above embodiments is implemented. The various steps performed by the device.
  • Embodiments of the present application provide a computer-readable storage medium.
  • Computer-executable instructions are stored in the computer-readable storage medium.
  • the processor executes the computer-executable instructions, the UE in the time slot configuration method described in the above embodiments is implemented. the various steps performed.
  • Embodiments of the present application provide a computer program product, including a computer program.
  • the computer program When the computer program is executed by a processor, the computer program implements various steps performed by a network device in the time slot configuration method described in the above embodiment.
  • An embodiment of the present application provides a computer program product, including a computer program.
  • the computer program When the computer program is executed by a processor, the computer program implements various steps performed by the UE in the time slot configuration method described in the above embodiment.
  • the disclosed devices and methods can be implemented in other ways.
  • the device embodiments described above are only illustrative.
  • the division of modules is only a logical function division. In actual implementation, there may be other division methods, for example, multiple modules may be combined or integrated. to another system, or some features can be ignored, or not implemented.
  • the coupling or direct coupling or communication connection between the shown or discussed may be through some interfaces, devices or The indirect coupling or communication connection of the module can be electrical, mechanical or other forms.
  • modules described as separate components may or may not be physically separated, and the components shown as modules may or may not be physical units, that is, they may be located in one place, or they may be distributed to multiple network units. Some or all of the modules can be selected according to actual needs to achieve the purpose of the solution of this embodiment.
  • each functional module in each embodiment of the present application can be integrated into a processing unit, or each module can exist physically alone, or two or more modules can be integrated into one unit.
  • the units formed by the above modules can be implemented in the form of hardware or in the form of hardware plus software functional units.
  • the above integrated modules implemented in the form of software function modules can be stored in a computer-readable storage medium.
  • the above-mentioned software function modules are stored in a storage medium and include a number of instructions to cause a computer device (which can be a personal computer, a server, or a network device, etc.) or a processor (English: processor) to execute the various embodiments of this application. Some steps of the method.
  • processor may be a central processing unit (English: Central Processing Unit, referred to as: CPU), or other general-purpose processor, digital signal processor (English: Digital Signal Processor, referred to as: DSP), or an application-specific integrated circuit (English: Application Specific Integrated Circuit, abbreviation: ASIC), etc.
  • CPU Central Processing Unit
  • DSP Digital Signal Processor
  • ASIC Application Specific Integrated Circuit
  • a general-purpose processor may be a microprocessor or the processor may be any conventional processor, etc.
  • the steps of the method disclosed in the application can be directly implemented by a hardware processor, or executed by a combination of hardware and software modules in the processor.
  • the memory may include high-speed RAM memory, and may also include non-volatile storage NVM, such as at least one disk memory, which may also be a USB flash drive, a mobile hard disk, a read-only memory, a magnetic disk, or an optical disk.
  • NVM non-volatile storage
  • the bus can be an Industry Standard Architecture (ISA) bus, a Peripheral Component Interconnect (PCI) bus or an Extended Industry Standard Architecture (EISA) bus, etc.
  • ISA Industry Standard Architecture
  • PCI Peripheral Component Interconnect
  • EISA Extended Industry Standard Architecture
  • the bus can be divided into address bus, data bus, control bus, etc.
  • the bus in the drawings of this application is not limited to only one bus or one type of bus.
  • the above storage medium can be implemented by any type of volatile or non-volatile storage device or their combination, such as static random access memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable Except programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic disk or optical disk.
  • SRAM static random access memory
  • EEPROM electrically erasable programmable read-only memory
  • EPROM erasable except programmable read-only memory
  • PROM programmable read-only memory
  • ROM read-only memory
  • magnetic memory flash memory
  • flash memory magnetic disk or optical disk.
  • Storage media can be any available media that can be accessed by a general purpose or special purpose computer.
  • An exemplary storage medium is coupled to the processor such that the processor can read information from the storage medium and write information to the storage medium.
  • the storage medium can also be an integral part of the processor.
  • the processor and storage medium can be located in Application Specific Integrated Circuits (ASICs for short).
  • ASICs Application Specific Integrated Circuits
  • the processor and the storage medium may also exist as discrete components in an electronic device or a host control device.
  • the aforementioned program can be stored in a computer-readable storage medium.
  • the steps including the above-mentioned method embodiments are executed; and the aforementioned storage media include: ROM, RAM, magnetic disks, optical disks and other media that can store program codes.

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

Abstract

Des modes de réalisation de la présente demande concernent un procédé et un dispositif de configuration de créneau temporel, et sont appliqués au domaine technique des communications mobiles. Le procédé comprend les étapes suivantes : un UE reçoit des informations d'indication envoyées par un dispositif de réseau, les informations d'indication comprenant des informations de configuration de créneau temporel de chaque sous-bande de l'UE dans une cellule de desserte ou une BWP ; et l'UE détermine d'utiliser une configuration de créneau temporel de la sous-bande selon les informations d'indication. L'UE est dans un mode duplex intégral de sous-bande, l'UE comprend N sous-bandes dans la cellule de desserte ou la BWP, et N est un nombre entier positif. Dans les modes de réalisation de la présente demande, le dispositif de réseau peut permettre à l'UE d'obtenir la configuration de créneau temporel de sous-bande sur l'ensemble de la cellule ou la configuration de créneau temporel de sous-bande sur l'ensemble de la BWP en envoyant les informations de configuration de créneau temporel de chaque sous-bande de l'UE dans la cellule de desserte ou la BWP à l'UE, de sorte que l'UE puisse mettre en œuvre une transmission de liaison montante et de liaison descendante sur des ressources de domaine fréquentiel correspondantes, toutes les ressources de domaine fréquentiel disponibles peuvent être utilisées au maximum, et des conflits de ressources de domaine fréquentiel de liaison montante et de liaison descendante sont évités.
PCT/CN2023/080382 2022-03-10 2023-03-09 Procédé et dispositif de configuration de créneau temporel WO2023169489A1 (fr)

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