WO2022148385A1 - 模式指示方法、终端设备及网络设备 - Google Patents
模式指示方法、终端设备及网络设备 Download PDFInfo
- Publication number
- WO2022148385A1 WO2022148385A1 PCT/CN2022/070393 CN2022070393W WO2022148385A1 WO 2022148385 A1 WO2022148385 A1 WO 2022148385A1 CN 2022070393 W CN2022070393 W CN 2022070393W WO 2022148385 A1 WO2022148385 A1 WO 2022148385A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- channel access
- indication information
- mode
- signaling
- access mode
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 97
- 230000011664 signaling Effects 0.000 claims description 199
- 238000004590 computer program Methods 0.000 claims description 27
- 238000003860 storage Methods 0.000 claims description 20
- 238000011144 upstream manufacturing Methods 0.000 claims description 5
- 238000004891 communication Methods 0.000 abstract description 12
- 238000012545 processing Methods 0.000 description 21
- 238000010586 diagram Methods 0.000 description 12
- 230000005540 biological transmission Effects 0.000 description 10
- 101100533725 Mus musculus Smr3a gene Proteins 0.000 description 8
- 230000006870 function Effects 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 230000003287 optical effect Effects 0.000 description 5
- 230000007774 longterm Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000007726 management method Methods 0.000 description 3
- 238000010295 mobile communication Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 101150096310 SIB1 gene Proteins 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 238000013500 data storage Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 101100399876 Homo sapiens LRRC26 gene Proteins 0.000 description 1
- 102100022842 Structural maintenance of chromosomes protein 4 Human genes 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 230000003190 augmentative effect Effects 0.000 description 1
- 239000013256 coordination polymer Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 101150106760 smc-4 gene Proteins 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/002—Transmission of channel access control information
- H04W74/006—Transmission of channel access control information in the downlink, i.e. towards the terminal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/08—Non-scheduled access, e.g. ALOHA
- H04W74/0833—Random access procedures, e.g. with 4-step access
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
- H04W48/12—Access restriction or access information delivery, e.g. discovery data delivery using downlink control channel
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/08—Non-scheduled access, e.g. ALOHA
- H04W74/0808—Non-scheduled access, e.g. ALOHA using carrier sensing, e.g. carrier sense multiple access [CSMA]
Definitions
- the present disclosure relates to the field of communication technologies, and in particular, to a mode indication method, a terminal device, and a network device.
- LBT Listen Before Talk
- UE User Equipment
- DCI Downlink Control Information
- Embodiments of the present disclosure provide a mode indication method, a terminal device, and a network device, so as to solve the problem that subsequent operations are affected because the terminal does not know the channel access mode it is currently in.
- an embodiment of the present disclosure provides a mode indication method, which is executed by a terminal device, including:
- the channel access mode includes: a listen-before-talk LBT mode or a non-listen-before-talk No-LBT mode.
- the receiving the first indication information sent by the network device includes:
- the first signaling includes at least one of the following:
- Scheduling signaling for system messages, master information blocks, system messages and paging scheduling signaling are Scheduling signaling for system messages, master information blocks, system messages and paging scheduling signaling.
- the first signaling includes scheduling signaling of system messages
- M bits of reserved bits in the scheduling signaling are used to carry the first indication information
- M is an integer greater than or equal to 1.
- the scheduling signaling of the system message includes: downlink control information DCI scrambled by the system information wireless network temporary identifier SI-RNTI.
- the field related to the channel access type in the DCI is 0 bits.
- the first signaling includes a main information block
- 1 bit in the reserved field in the main information block is used to carry the first indication information.
- the first signaling includes a system message
- N bits in the system message are used to carry the first indication information
- N is an integer greater than or equal to 1.
- the field related to the channel access type in the DCI is 0 bits.
- the first signaling includes paging scheduling signaling
- K bits of reserved bits in the paging scheduling signaling are used to carry the first indication information
- K is an integer greater than or equal to 1.
- the paging scheduling signaling includes: downlink control information DCI scrambled by the paging wireless network temporary identifier P-RNTI.
- the field related to the channel access type in the DCI is 0 bits.
- the receiving the first indication information sent by the network device includes:
- the first indication information is carried in the bandwidth part uplink dedicated domain and/or the bandwidth part dedicated downlink domain in the RRC signaling.
- the field related to the channel access type in the DCI is 0 bits.
- the first unlicensed frequency band is a high-frequency unlicensed frequency band.
- the channel access mode is for the uplink bandwidth part and/or the downlink bandwidth part.
- the method further includes:
- the channel access mode indication for the cell and the channel access mode indication for the terminal device are acquired, perform the location where the terminal device is located according to the first indication information corresponding to the channel access mode indication for the terminal device. Determination of channel access mode.
- An embodiment of the present disclosure also provides a mode indication method, which is executed by a network device, including:
- the channel access mode includes: a listen-before-talk LBT mode or a non-listen-before-talk No-LBT mode.
- the sending the first indication information to the terminal device includes:
- the first signaling includes at least one of the following:
- Scheduling signaling for system messages, master information blocks, system messages and paging scheduling signaling are Scheduling signaling for system messages, master information blocks, system messages and paging scheduling signaling.
- the first signaling includes scheduling signaling of system messages
- M bits of reserved bits in the scheduling signaling are used to carry the first indication information
- M is an integer greater than or equal to 1.
- the scheduling signaling of the system message includes: downlink control information DCI scrambled by the system information wireless network temporary identifier SI-RNTI.
- the field related to the channel access type in the DCI is 0 bits.
- the first signaling includes a main information block
- 1 bit in the reserved field in the main information block is used to carry the first indication information.
- the first signaling includes a system message
- N bits in the system message are used to carry the first indication information
- N is an integer greater than or equal to 1.
- the field related to the channel access type in the DCI is 0 bits.
- the first signaling includes paging scheduling signaling
- K bits of reserved bits in the paging scheduling signaling are used to carry the first indication information
- K is an integer greater than or equal to 1.
- the paging scheduling signaling includes: downlink control information DCI scrambled by the paging wireless network temporary identifier P-RNTI.
- the field related to the channel access type in the DCI is 0 bits.
- the sending the first indication information to the terminal device includes:
- the first indication information is sent to the terminal device through radio resource control RRC signaling.
- the first indication information is carried in the bandwidth part uplink dedicated domain and/or the bandwidth part dedicated downlink domain in the RRC signaling.
- the level targeted by the channel access mode is determined by the domain bearing the RRC signaling
- the level targeted by the channel access mode includes at least one of the following:
- the first unlicensed frequency band is a high-frequency unlicensed frequency band.
- An embodiment of the present disclosure further provides a terminal device, including a memory, a transceiver, and a processor:
- a memory for storing a computer program
- a transceiver for sending and receiving data under the control of the processor
- a processor for reading the computer program in the memory and performing the following operations:
- the channel access mode includes: a listen-before-talk LBT mode or a non-listen-before-talk No-LBT mode.
- the processor when the channel access mode is for a cell, the processor is configured to read a computer program in the memory for receiving the first indication information sent by the network device through the transceiver, and perform the following operations:
- the first signaling includes at least one of the following:
- Scheduling signaling for system messages, master information blocks, system messages and paging scheduling signaling are Scheduling signaling for system messages, master information blocks, system messages and paging scheduling signaling.
- the processor is configured to read a computer program in the memory for receiving the first indication information sent by the network device through the transceiver, and perform the following operations:
- the first indication information sent by the network device through the radio resource control RRC signaling is received by the transceiver.
- An embodiment of the present disclosure further provides a network device, including a memory, a transceiver, and a processor:
- a memory for storing a computer program
- a transceiver for sending and receiving data under the control of the processor
- a processor for reading the computer program in the memory and performing the following operations:
- the channel access mode includes: a listen-before-talk LBT mode or a non-listen-before-talk No-LBT mode.
- the processor is configured to read a computer program in the memory that sends the first indication information to the terminal device through the transceiver, and perform the following operations:
- the first signaling includes at least one of the following:
- Scheduling signaling for system messages, master information blocks, system messages and paging scheduling signaling are Scheduling signaling for system messages, master information blocks, system messages and paging scheduling signaling.
- the processor when the channel access mode is directed to a terminal, the processor is configured to read a computer program in the memory that sends the first indication information to the terminal device through the transceiver and perform the following operations:
- the first indication information is sent to the terminal device through the transceiver and through the radio resource control RRC signaling.
- Embodiments of the present disclosure also provide a terminal device, including:
- a receiving unit configured to receive first indication information sent by the network device, where the first indication information is used to indicate a channel access mode of the terminal device in the first unlicensed frequency band;
- the channel access mode includes: a listen-before-talk LBT mode or a non-listen-before-talk No-LBT mode.
- Embodiments of the present disclosure also provide a network device, including:
- a sending unit configured to send first indication information to the terminal equipment, where the first indication information is used to indicate the channel access mode of the terminal equipment in the first unlicensed frequency band;
- the channel access mode includes: a listen-before-talk LBT mode or a non-listen-before-talk No-LBT mode.
- Embodiments of the present disclosure further provide a processor-readable storage medium, where a computer program is stored in the processor-readable storage medium, and the computer program is used to cause the processor to execute the foregoing method.
- the channel access mode of the terminal device is clarified by receiving the first indication information sent by the network device indicating the channel access mode of the terminal device in the first unlicensed frequency band, which facilitates subsequent operations of the terminal device.
- FIG. 1 shows a structural diagram of a network system suitable for an embodiment of the present disclosure
- FIG. 2 is a schematic flowchart of a mode indication method applied to a terminal device according to an embodiment of the present disclosure
- FIG. 3 is a schematic flowchart of a mode indication method applied to a network device according to an embodiment of the present disclosure
- FIG. 4 shows a schematic flowchart of communication between a terminal and a base station in scenario one;
- FIG. 6 shows a schematic flowchart of the communication between the terminal and the base station in scenario three;
- FIG. 7 is a schematic diagram of a unit of a terminal device according to an embodiment of the present disclosure.
- FIG. 8 shows a structural diagram of a terminal device according to an embodiment of the present disclosure
- FIG. 9 is a schematic diagram of a unit of a network device according to an embodiment of the present disclosure.
- FIG. 10 shows a structural diagram of a network device according to an embodiment of the present disclosure.
- the term "and/or” describes the association relationship of associated objects, and indicates that there can be three kinds of relationships. For example, A and/or B can indicate that A exists alone, A and B exist at the same time, and B exists alone these three situations.
- the character “/” generally indicates that the related objects are an "or” relationship.
- the term “plurality” refers to two or more than two, and other quantifiers are similar.
- words such as “exemplary” or “such as” are used to mean serving as an example, illustration, or illustration. Any embodiments or designs described in the embodiments of the present disclosure as “exemplary” or “such as” should not be construed as preferred or advantageous over other embodiments or designs. Rather, the use of words such as “exemplary” or “such as” is intended to present the related concepts in a specific manner.
- the mode indication method, terminal device, and network device provided by the embodiments of the present disclosure can be applied to a wireless communication system.
- the wireless communication system may be a system using the fifth generation (5th Generation, 5G) mobile communication technology (hereinafter referred to as the 5G system), and those skilled in the art can understand that the 5G NR system is only an example, not a limitation.
- 5G fifth generation
- FIG. 1 is a structural diagram of a network system to which an embodiment of the present disclosure can be applied.
- the user terminal 11 may be a user equipment (User Equipment, UE ), for example: it can be a mobile phone, a tablet computer (Tablet Personal Computer), a laptop computer (Laptop Computer), a personal digital assistant (PDA), a mobile Internet Device (MID) or a wearable
- UE User Equipment
- the specific type of the user terminal 11 is not limited in the embodiments of the present disclosure.
- the above-mentioned base station 12 may be a base station of 5G and later versions (for example: gNB, 5G NR NB), or a base station in other communication systems, or referred to as a Node B. It should be noted that in the embodiment of the present disclosure, only 5G is used.
- the base station is taken as an example, but the specific type of the base station 12 is not limited.
- the New Radio (NR) system is considering the design of physical layer channels, signals, procedures and protocols in the frequency band higher than 52.6 GHz.
- Potential application examples in high frequency bands include Enhanced Mobile Broadband (eMBB), mobile data offloading, short-range high data rate Device-to-Device (D2D) communications, broadband power distribution networks, integrated access Backhaul, Factory Automation, Industrial Internet of Things (IIoT), Wireless Display Transmission, Augmented Reality (AR)/Virtual Reality (VR) Wearable Devices, Intelligent Transportation Systems, ITS), Vehicle-to-Everything (V2X), data center rack connections, smart grid automation, private networks, and high positioning accuracy support, etc.
- the 3rd Generation Partnership Project (3GPP) has determined that two channel access modes, LBT mode and No-LBT mode, are supported in unlicensed frequency bands where local regulations allow No-LBT operation.
- the physical layer control signaling of the NR system is designed as follows.
- C-RNTI Cell Radio Network Temporary Identifier
- CS-RNTI Configured Scheduling Radio Network Temporary Identifier
- Downlink Control Information Downlink Control Information
- MCS-C-RNTI Modulcation Coding Scheme Cell Radio Network Temporary Identifier
- TC-RNTI Temporary Cell Radio Network Temporary Identifier
- DCI Downlink Control Information
- C-RNTI or CS-RNTI or MCS-C-RNTI or TC-RNTI carry 2 bits of information to indicate the user equipment (User Equipment, UE , also known as the terminal) the combination of channel access type and cyclic prefix (Cyclic Prefix, CP) extension; otherwise, this field is 0bit.
- UE User Equipment
- the ChannelAccess-CPext-CAPC (specifically, CAPC indicates channel access priority) fields in DCI format 0_1 and DCI format 1_1 carry 0, 1, 2, 3, 4, 5 or 6 bits (bit) of information used to indicate the channel access mode of the UE; otherwise, this field is 0 bit.
- the DCI format 1_0 scrambled by the SI-RNTI has 17 bits of reserved bits; otherwise, it is 15 bits. reserved bit.
- DCI format 1_0 scrambled by P-RNTI has 8 bits of reserved bits; otherwise, it is 6 bits of reserved bits.
- the reserved field (spare field) of the physical broadcast channel Physical Broadcast Channel, PBCH
- MIB Master Information Block
- Embodiments of the present disclosure provide a mode indication method, terminal device, and network device, so as to solve the problem that the terminal does not know the channel access mode it is currently in, which affects subsequent operations.
- the method and the device are conceived based on the same application. Since the principles of the method and the device for solving the problem are similar, the implementation of the device and the method can be referred to each other, and the repetition will not be repeated.
- an embodiment of the present disclosure provides a mode indication method, which is executed by a terminal device, including:
- Step S201 receiving first indication information sent by a network device
- the first indication information is used to indicate the channel access mode of the terminal device in the first unlicensed frequency band; specifically, the channel access mode includes: listen before talk (LBT) mode or non-first Listen to Talk (No-LBT) mode.
- LBT listen before talk
- No-LBT non-first Listen to Talk
- the first unlicensed frequency band is a high frequency unlicensed frequency band, that is, an unlicensed frequency band greater than 52.6 GHz, that is, the embodiment of the present disclosure is applicable to a high frequency band in the unlicensed frequency band.
- the terminal device receives the channel access mode sent by the network device and is used to indicate that the terminal device is in the high-frequency unlicensed frequency band.
- the terminal device receives Downlink Control Information (DCI)
- DCI Downlink Control Information
- the terminal device needs to decode the information in the ChannelAccess-CPext and ChannelAccess-CPext-CAPC information fields; when the terminal device is in the No-LBT mode, the terminal device When receiving DCI, there is no need to decode the information in the unlicensed band channel access related information fields, for example, the terminal equipment does not need to decode the content in the ChannelAccess-CPext and ChannelAccess-CPext-CAPC information fields.
- the channel access mode may be cell-specific (ie, Cell-specific).
- the network device configures all terminal devices in the cell to be in LBT mode or No-LBT mode; it may also be cell-specific. (ie, UE-specific), at this time, the network equipment configures that part of the terminal equipment in the cell is in the No-LBT mode, and the other part is in the LBT mode.
- step S201 in this embodiment of the present disclosure is:
- the first signaling includes at least one of the following:
- the network device carries the first indication information through M bits of reserved bits (also referred to as reserved bits) in the scheduling signaling, where M is an integer greater than or equal to 1.
- the scheduling signaling of the system message is the DCI scrambled by the System Information Radio Network Temporary Identity (SI-RNTI), that is to say, a mode indication field is added to the reserved bits of the DCI scrambled by the SI-RNTI, for example , the mode indication field occupies 1 bit, which is used to indicate whether the terminal device is in the LBT mode or the No-LBT mode in the unlicensed frequency band.
- SI-RNTI System Information Radio Network Temporary Identity
- the field related to the channel access type in the DCI is 0 bits, that is, when the channel access mode is the No-LBT mode
- the LBT-related information is not carried in the DCI, so as to reduce the complexity of decoding the DCI by the terminal device.
- the network device carries the first indication information through 1 bit in the reserved field in the main information block.
- the main information block is on the physical broadcast channel (PBCH).
- the network device sends the first indication information through 1 bit in the reserved field (Spare field) in the PBCH.
- the bit indicates the LBT mode. , when it is 1, it means No-LBT mode; or, when this bit is 1, it means LBT mode, and when it is 0, it means No-LBT mode.
- the network device carries the first indication information through N bits in the system message, where N is an integer greater than or equal to 1.
- the system message can be system information block 1 (SIB 1), and the system message can also be other SIBs except SIB 1; that is, a mode indication field is added to SIB 1 or other SIBs (which can be regarded as is the LBT mode indication field), for example, the mode indication field occupies 1 bit, which is used to indicate whether the terminal device is in the LBT mode or the No-LBT mode in the unlicensed frequency band.
- SIB 1 system information block 1
- the system message can also be other SIBs except SIB 1; that is, a mode indication field is added to SIB 1 or other SIBs (which can be regarded as is the LBT mode indication field), for example, the mode indication field occupies 1 bit, which is used to indicate whether the terminal device is in the LBT mode or the No-LBT mode in the unlicensed frequency band.
- SIB 1 system information block 1
- the mode indication field occupies 1 bit, which is used to indicate whether the terminal device is in the LBT mode or the No-LBT mode in the un
- the LBT mode indication field in the system information block is an optional configuration field.
- SIB 1 system information block 1
- SIB 2 system information block 1
- the LBT mode indication field does not exist in the system information block 1 (SIB 1)
- one of the states indicates that the terminal is in LBT mode in the unlicensed frequency band, and sends a contention exemption short control signal
- SIB 1 system information block
- one of the states indicates that the terminal is in LBT mode in the unlicensed frequency band, and sends a contention exemption short control signal
- the LBT mode indication field in the system information block is an optional configuration field.
- SIB 1 system information block
- SIB 2bit multi-bit (for example, 2bit)
- one of the states indicates that the terminal is in LBT mode in the unlicensed frequency band, and the short control signaling of contention exemption is also sent.
- LBT does not need to be performed;
- one of the states indicates that the terminal is in LBT mode in the unlicensed frequency band, and LBT needs to be performed to send contention exemption short control signaling;
- there is no LBT mode indication field in system information block one (SIB 1) which implicitly indicates that the terminal is in No-LBT mode in the unlicensed frequency band, in other words, the terminal is not in LBT mode;
- the contention exemption short control signaling includes at least SSB, discovery signal, Msg 1/Msg A.
- the discovery signal includes at least a control resource set (CORESET) associated with a synchronization signal/broadcast channel (SS/PBCH) for scheduling PDCCH of SIB1, and for scheduling PDSCH and non-zero power CSI-RS of SIB1.
- CORESET control resource set associated with a synchronization signal/broadcast channel (SS/PBCH) for scheduling PDCCH of SIB1, and for scheduling PDSCH and non-zero power CSI-RS of SIB1.
- one of the states indicates that the terminal is in LBT mode in the unlicensed frequency band, and sends SSB, discovery signal and Msg1/Msg A does not need to perform LBT; one of the states indicates that the terminal is in LBT mode in the unlicensed frequency band, and sends SSB, the discovery signal does not need to perform LBT, and sends Msg1/Msg A needs to perform LBT; one of the states indicates that the terminal In the unlicensed frequency band, it is in LBT mode, and when sending SSB, the discovery signal needs to perform LBT, and sending Msg1/Msg A does not need to perform LBT; one of the states indicates that the terminal is in LBT mode in the unlicensed frequency band, and sends SSB, discovery signal and Msg1/Msg A need to perform LBT; one of the states indicates that the terminal is in No-LBT mode in
- the LBT mode indication field in the system information block is an optional configuration field.
- SIB 1 system information block 1
- 2bit multi-bit (for example, 2bit)
- one of the states indicates that the terminal is in LBT mode in the unlicensed frequency band, and sends SSB, discovery signal and Msg1/ Msg A does not need to perform LBT
- one of the states indicates that the terminal is in LBT mode in the unlicensed frequency band, and sends SSB, the discovery signal does not need to perform LBT, and sends Msg1/Msg A needs to perform LBT
- one of the states indicates that the terminal is in non-licensed frequency band.
- the licensed frequency band is in LBT mode, and SSB is sent, LBT needs to be performed for the discovery signal, and LBT is not required to send Msg1/Msg A; one of the states indicates that the terminal is in LBT mode in the unlicensed frequency band, and sends SSB, discovery signal and Msg1 /Msg A needs to perform LBT; when there is no LBT mode indication field in System Information Block 1 (SIB 1), it implicitly indicates that the terminal is in No-LBT mode in the unlicensed frequency band, in other words, the terminal is not in LBT model.
- SIB 1 System Information Block 1
- the network device carries the first indication information through K bits of reserved bits in the paging scheduling signaling, where K is an integer greater than or equal to 1.
- the paging scheduling signaling is the DCI scrambled by the paging radio network temporary identity (P-RNTI), that is, a mode indication field is added to the reserved bits of the DCI scrambled by the P-RNTI, for example,
- P-RNTI paging radio network temporary identity
- the mode indication field occupies 1 bit and is used to indicate whether the terminal device is in the LBT mode or the No-LBT mode in the unlicensed frequency band. For example, when the mode indication field is 0, it means LBT mode, and when it is 1, it means No-LBT mode; or, when it is 1 in the mode indication field, it means LBT mode, and when it is 0, it means No-LBT mode.
- A11 and A12 can be considered as obtaining the first indication information of the network device before the RRC connection. Then, the network device instructs the mode change through A14.
- the field related to the channel access type in the DCI is 0 bits, that is, when the network device indicates that the terminal device is in the No-LBT mode , the DCI sent by the network device may not carry LBT-related information, thereby reducing the complexity of decoding the DCI by the terminal device.
- step S201 when the channel access mode is UE-specific, the specific implementation manner of step S201 in the embodiment of the present disclosure is as follows:
- the first indication information sent by the network device through radio resource control (RRC) signaling is received.
- RRC radio resource control
- the network device indicates whether it is in LBT mode or No-LBT mode for a specific terminal device through RRC signaling.
- the network device can use the bandwidth part of the RRC signaling.
- the downlink dedicated domain (BWP-DownDedicated domain) carries the first indication information, and the network device may also carry the first indication information in other domains of the RRC signaling.
- the LBT mode or No-LBT mode indicated by the network device is for the uplink bandwidth part, that is, the terminal device only operates in the uplink
- the bandwidth part is in the LBT mode or No-LBT mode indicated by the network device.
- the LBT mode or No-LBT mode indicated by the network device is for downlink. In the bandwidth part, that is, the terminal device is only in the LBT mode or No-LBT mode indicated by the network device in the downlink bandwidth part.
- the bit of the first indication information when the bit of the first indication information is 0, it indicates the LBT mode, which is 1 When , indicates No-LBT mode; or, when the bit of the first indication information is 1, indicates LBT mode, and when it is 0, indicates No-LBT mode.
- the terminal receives the signaling configuration of the UE-specific mode indication after establishing the RRC connection, if the first indication information received in the IE BWP-UplinkDedicated field or the IE BWP-DownDedicated field is 0, then the terminal is in the corresponding The BWP is in LBT mode; if the first indication information in the IE BWP-UplinkDedicated field or the IE BWP-DownDedicated field is received as 1, then the terminal is in the No-LBT mode in the corresponding BWP at this time.
- channel access mode information is implicitly indicated through UL-AccessConfigListForDCI-Format1-1-r16 in the PUCCH-Config field in the BWP-UplinkDedicated and/or UL-AccessConfigListForDCI-Format0-1-r16 in the PUSCH-Config field. If the terminal is configured with UL-AccessConfigListForDCI-Format1-1-r16 and/or UL-AccessConfigListForDCI-Format0-1-r16, the terminal is in LBT mode; otherwise, it is in No-LBT mode.
- the network device notifies the terminal device that the terminal device is in No-LBT mode, the RRC signaling ul-AccessConfigListForDCI-Format1-1 and IE ul-AccessConfigListForDCI-Format0-1 in the unlicensed frequency band are configured and the licensed frequency band are configured in the same way.
- the bit length of the ChannelAcess-CPext field in the DCI is determined by UL-AccessConfigListForDCI-Format1-1-r16 in the PUCCH-Config field in the BWP-UplinkDedicated and/or UL-AccessConfigListForDCI in the PUSCH-Config field -Format0-1-r16 determination; otherwise 0bit.
- the terminal process in the case of acquiring the channel access mode indication for the cell and the channel access mode indication for the terminal device, perform the terminal process according to the first indication information corresponding to the channel access mode indication for the terminal device. Determination of the channel access mode in which the device is located;
- the channel access mode indication of the cell that is, the channel access indication at the cell level
- the terminal device receives the scheduling signaling of the system message, the main information block, the system message and the paging scheduling signaling sent by the network device.
- the first indication information it can be implicitly determined to obtain the channel access mode indication for the cell; the channel access mode indication for the terminal, that is, the terminal-level channel access indication, when the terminal device receives the network device through wireless
- the first indication information sent by the resource control RRC signaling it may be implicitly determined that the channel access mode indication for the terminal device is acquired.
- the terminal device when the terminal device first obtains the Cell-specific channel access mode sent by the network device, and then obtains the UE-specific channel access mode sent by the network device, the terminal device accesses the UE-specific channel.
- the mode is used as the highest priority to determine the channel access mode it is in; for example, the terminal device first obtains the Cell-specific channel access mode sent by the network device as No-LBT mode.
- the terminal device Do not decode the information in the information field related to channel access in the unlicensed frequency band in the DCI, and then the terminal device receives the UE-specific channel access mode sent by the network device as LBT mode, then the terminal device determines that it is in LBT mode, and the terminal device needs to Decode the information in the information field related to channel access in the unlicensed band in the DCI.
- the field related to the channel access type in the DCI is 0 bits, that is, when the network device indicates that the terminal device is in the No-LBT mode , the DCI sent by the network device may not carry LBT-related information, thereby reducing the complexity of decoding the DCI by the terminal device.
- the embodiment of the present disclosure clarifies the channel access mode in which the terminal device is located by receiving the first indication information sent by the network device and indicating the channel access mode of the terminal device in the high-frequency unlicensed frequency band, which is convenient for the terminal device. Subsequent operations of the device; at the same time, the implementation of the embodiments of the present disclosure makes it unnecessary for the terminal device to always decode the information in the domain related to channel access in the DCI, which saves the power consumption of the terminal device.
- an embodiment of the present disclosure provides a mode indication method, which is executed by a network device, including:
- Step S301 sending first indication information to the terminal equipment, where the first indication information is used to indicate the channel access mode of the terminal equipment in the first unlicensed frequency band;
- the channel access mode includes: a listen-before-talk LBT mode or a non-listen-before-talk No-LBT mode.
- the sending the first indication information to the terminal device includes:
- the first signaling includes at least one of the following:
- Scheduling signaling for system messages, master information blocks, system messages and paging scheduling signaling are Scheduling signaling for system messages, master information blocks, system messages and paging scheduling signaling.
- the first signaling includes scheduling signaling of system messages
- M bits of reserved bits in the scheduling signaling are used to carry the first indication information
- M is an integer greater than or equal to 1.
- the scheduling signaling of the system message includes: downlink control information DCI scrambled by the system information wireless network temporary identifier SI-RNTI.
- the field related to the channel access type in the DCI is 0 bits.
- the first signaling includes a main information block
- 1 bit in the reserved field in the main information block is used to carry the first indication information.
- the first signaling includes a system message
- N bits in the system message are used to carry the first indication information
- N is an integer greater than or equal to 1.
- the field related to the channel access type in the DCI is 0 bits.
- the first signaling includes paging scheduling signaling
- K bits of reserved bits in the paging scheduling signaling are used to carry the first indication information
- K is an integer greater than or equal to 1.
- the paging scheduling signaling includes: downlink control information DCI scrambled by the paging wireless network temporary identifier P-RNTI.
- the field related to the channel access type in the DCI is 0 bits.
- the sending the first indication information to the terminal device includes:
- the first indication information is sent to the terminal device through radio resource control RRC signaling.
- the first indication information is carried in the dedicated uplink domain of the bandwidth part and/or the dedicated downlink domain of the bandwidth part in the RRC signaling.
- the level targeted by the channel access mode is determined by the domain bearing the RRC signaling
- the level targeted by the channel access mode includes at least one of the following:
- the channel access mode is for the terminal device level.
- the channel access mode is for the partial level of the uplink bandwidth and the partial level of the downlink bandwidth.
- the first unlicensed frequency band is a high-frequency unlicensed frequency band.
- the applicable system may be a global system of mobile communication (GSM) system, a code division multiple access (CDMA) system, a wideband code division multiple access (Wideband Code Division Multiple Access, WCDMA) general packet Wireless service (general packet radio service, GPRS) system, long term evolution (long term evolution, LTE) system, LTE frequency division duplex (frequency division duplex, FDD) system, LTE time division duplex (time division duplex, TDD) system, Long term evolution advanced (LTE-A) system, universal mobile telecommunication system (UMTS), worldwide interoperability for microwave access (WiMAX) system, 5G New Radio (New Radio, NR) system, etc.
- GSM global system of mobile communication
- CDMA code division multiple access
- WCDMA wideband Code Division Multiple Access
- General packet Wireless service general packet Radio service
- GPRS general packet Wireless service
- LTE long term evolution
- LTE long term evolution
- FDD frequency division duplex
- TDD time division duplex
- LTE-A Long term evolution advanced
- the terminal device involved in the embodiments of the present disclosure may be a device that provides voice and/or data connectivity to a user, a handheld device with a wireless connection function, or other processing device connected to a wireless modem.
- the name of the terminal equipment may be different.
- the terminal equipment may be called User Equipment (UE).
- Wireless terminal equipment can communicate with one or more core networks (Core Network, CN) via a radio access network (Radio Access Network, RAN).
- RAN Radio Access Network
- "telephone) and computers with mobile terminal equipment eg portable, pocket-sized, hand-held, computer-built or vehicle-mounted mobile devices, which exchange language and/or data with the radio access network.
- Wireless terminal equipment may also be referred to as system, subscriber unit, subscriber station, mobile station, mobile station, remote station, access point , a remote terminal device (remote terminal), an access terminal device (access terminal), a user terminal device (user terminal), a user agent (user agent), and a user device (user device), which are not limited in the embodiments of the present disclosure.
- the network device involved in the embodiments of the present disclosure may be a base station, and the base station may include a plurality of cells providing services for the terminal.
- the base station may also be called an access point, or may be a device in the access network that communicates with wireless terminal equipment through one or more sectors on the air interface, or other names.
- the network device can be used to exchange received air frames with Internet Protocol (IP) packets, and act as a router between the wireless terminal device and the rest of the access network, which can include the Internet. Protocol (IP) communication network.
- IP Internet Protocol
- the network devices may also coordinate attribute management for the air interface.
- the network device involved in the embodiments of the present disclosure may be a network device (Base Transceiver Station, BTS) in the Global System for Mobile Communications (GSM) or Code Division Multiple Access (Code Division Multiple Access, CDMA). ), it can also be a network device (NodeB) in Wide-band Code Division Multiple Access (WCDMA), or it can be an evolved network device in a long term evolution (LTE) system (evolutional Node B, eNB or e-NodeB), 5G base station (gNB) in 5G network architecture (next generation system), or Home evolved Node B (HeNB), relay node (relay node) , a home base station (femto), a pico base station (pico), etc., which are not limited in the embodiments of the present disclosure.
- network devices may include centralized unit (CU) nodes and distributed unit (DU) nodes, which may also be geographically separated.
- MIMO transmission can be single-user MIMO (Single User MIMO, SU-MIMO) or multi-user MIMO. (Multiple User MIMO, MU-MIMO). According to the form and number of root antenna combinations, MIMO transmission can be 2D-MIMO, 3D-MIMO, FD-MIMO, or massive-MIMO, or diversity transmission, precoding transmission, or beamforming transmission.
- the following takes the communication between the terminal and the base station as an example to illustrate specific application scenarios of the present disclosure as follows.
- Scenario 1 The terminal performs cell-specific configuration through the reserved bits of the scheduling signaling (SI-RNTI scrambled DCI format 1_0) of the system message, and obtains the LBT/No-LBT mode indicated by the first indication information.
- the base station uses one or more bits in the reserved bits in the scheduling signaling of the system message to indicate the LBT/No-LBT mode, and the involved process is shown in Figure 4, specifically:
- the terminal receives the SI-RNTI scrambled DCI format 1_0;
- the terminal After the terminal receives and decodes the first indication information in the reserved bits in the DCI format 1_0 scrambled by SI-RNTI, if the terminal is instructed to be in No-LBT mode, the terminal is decoded by C-RNTI ⁇ CS-RNTI ⁇ MCS- C-RNTI ⁇ TC-RNTI scrambled DCI format 0_0 or C-RNTI ⁇ CS-RNTI ⁇ MCS-C-RNTI ⁇ Random Access Radio Network Temporary Identifier (RA-RNTI) ⁇ MsgB - RNTI ⁇ TC-RNTI scrambled DCI format 1_0 does not need to decode the ChannelAccess-CPext field; if the terminal is instructed to be in No-LBT mode, the terminal is decoded by C-RNTI ⁇ CS-RNTI ⁇ Semi-persistent channel state information wireless network Temporary identifier (Semi-Persistent Channel State Information Radio Network Temporary Identifier, SP-CSI-RNTI) ⁇ MCS-C-
- the terminal normally decodes and detects the DCI.
- Scenario 2 The terminal performs cell-specific configuration through the reserved bits of the scheduling signaling (SI-RNTI scrambled DCI format 1_0) of the system message, and obtains the LBT/No-LBT mode indicated by the first indication information; then the base station passes the RRC The signaling sends UE-specific first indication information to indicate the LBT/No-LBT mode for a specific terminal, and the process involved is shown in Figure 5, specifically:
- the terminal After receiving the first indication information configured by the RRC signaling, the terminal performs operations according to the configuration mode of the RRC signaling:
- the terminal is decoding the DCI format 0_0 scrambled by C-RNTI ⁇ CS-RNTI ⁇ MCS-C-RNTI ⁇ TC-RNTI or by C-RNTI ⁇ CS-RNTI ⁇ MCS- C-RNTI ⁇ RA-RNTI ⁇ MsgB-RNTI ⁇ TC-RNTI scrambled DCI format 1_0 does not need to decode the ChannelAccess-CPext field;
- DCI format 0_1 scrambled by RNTI or DCI format 1_1 scrambled by C-RNTI ⁇ CS-RNTI ⁇ MCS-C-RNTI does not need to decode the ChannelAccess-CPext-CAPC field;
- the terminal normally decodes and detects the DCI.
- the terminal When the LBT/No-LBT mode in which the terminal is located is changed, the terminal only needs to decode the bits occupied by the first indication information of the reserved bits in the DCI scrambled by the P-RNTI to know the current LBT/No-LBT mode.
- No-LBT mode its indication methods include the following:
- the first alternative solution when the bits occupied by the first indication information in the DCI scrambled by the P-RNTI are 0, the terminal is in LBT mode; when the bits occupied by the first indication information are 1, the terminal in No-LBT mode; vice versa.
- the second candidate scheme when the bits occupied by the first indication information in the DCI scrambled by P-RNTII are 0, the LBT/No-LBT mode of the terminal remains unchanged; when the bits occupied by the first indication information When the bit is 1, the LBT/No-LBT mode of the terminal is inverted, that is, from LBT mode to No-LBT mode, and from No-LBT mode to LBT mode.
- an embodiment of the present disclosure provides a terminal device 700, including:
- a receiving unit 701 configured to receive first indication information sent by a network device, where the first indication information is used to indicate a channel access mode of a terminal device in a first unlicensed frequency band;
- the channel access mode includes: a listen-before-talk LBT mode or a non-listen-before-talk No-LBT mode.
- the receiving unit 701 is configured to:
- the first signaling includes at least one of the following:
- Scheduling signaling for system messages, master information blocks, system messages and paging scheduling signaling are Scheduling signaling for system messages, master information blocks, system messages and paging scheduling signaling.
- the first signaling includes scheduling signaling of system messages
- M bits of reserved bits in the scheduling signaling are used to carry the first indication information
- M is an integer greater than or equal to 1.
- the scheduling signaling of the system message includes: downlink control information DCI scrambled by the system information wireless network temporary identifier SI-RNTI.
- the field related to the channel access type in the DCI is 0 bits.
- the first signaling includes a main information block
- 1 bit in the reserved field in the main information block is used to carry the first indication information.
- the first signaling includes a system message
- N bits in the system message are used to carry the first indication information
- N is an integer greater than or equal to 1.
- the field related to the channel access type in the DCI is 0 bits.
- the first signaling includes paging scheduling signaling
- K bits of reserved bits in the paging scheduling signaling are used to carry the first indication information
- K is an integer greater than or equal to 1.
- the paging scheduling signaling includes: downlink control information DCI scrambled by the paging wireless network temporary identifier P-RNTI.
- the field related to the channel access type in the DCI is 0 bits.
- the receiving unit 701 is configured to:
- the first indication information sent by the network device through the radio resource control RRC signaling is received.
- the first indication information is carried in the bandwidth part uplink dedicated domain and/or the bandwidth part dedicated downlink domain in the RRC signaling. ;
- the field related to the channel access type in the DCI is 0 bits.
- the first unlicensed frequency band is a high-frequency unlicensed frequency band.
- the channel access mode is for the uplink bandwidth part and/or the downlink bandwidth part.
- the method further includes:
- a determining unit configured to perform the above according to the first indication information corresponding to the channel access mode indication for the terminal device in the case of acquiring the channel access mode indication for the cell and the channel access mode indication for the terminal device The determination of the channel access mode in which the terminal device is located.
- the terminal device embodiment is a terminal device corresponding to the above method embodiment one-to-one, and all the implementation manners in the above method embodiment are applicable to the terminal device embodiment, and the same technical effect can also be achieved.
- each functional unit in each embodiment of the present disclosure may be integrated into one processing unit, or each unit may exist physically alone, or two or more units may be integrated into one unit.
- the above-mentioned integrated units may be implemented in the form of hardware, or may be implemented in the form of software functional units.
- the integrated unit is implemented in the form of a software functional unit and sold or used as an independent product, it may be stored in a processor-readable storage medium.
- the technical solutions of the present disclosure can be embodied in the form of software products in essence, or the parts that contribute to related technologies, or all or part of the technical solutions, and the computer software products are stored in a storage medium.
- a computer device which may be a personal computer, a server, or a network device, etc.
- the aforementioned storage medium includes: U disk, mobile hard disk, read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disk or optical disk and other media that can store program codes .
- an embodiment of the present disclosure further provides a terminal device, including a processor 800, a transceiver 810, a memory 820, and a program stored on the memory 820 and executable on the processor 800; wherein , the transceiver 810 is connected with the processor 800 and the memory 820 through a bus interface, wherein the processor 800 is used to read the program in the memory, and perform the following processes:
- first indication information sent by the network device through the transceiver 810, where the first indication information is used to indicate the channel access mode of the terminal device in the first unlicensed frequency band;
- the channel access mode includes: a listen-before-talk LBT mode or a non-listen-before-talk No-LBT mode.
- the transceiver 810 is used for receiving and transmitting data under the control of the processor 800 .
- the bus architecture may include any number of interconnected buses and bridges, specifically one or more processors represented by processor 800 and various circuits of memory represented by memory 820 are linked together.
- the bus architecture may also link together various other circuits, such as peripherals, voltage regulators, and power management circuits, which are well known in the art and therefore will not be described further herein.
- the bus interface provides the interface.
- Transceiver 810 may be a number of elements, including transmitters and receivers, providing means for communicating with various other devices over transmission media including wireless channels, wired channels, fiber optic cables, and the like Transmission medium.
- the user interface 830 may also be an interface capable of externally connecting the required equipment, and the connected equipment includes but is not limited to a keypad, a display, a speaker, a microphone, a joystick, and the like.
- the processor 800 is responsible for managing the bus architecture and general processing, and the memory 820 may store data used by the processor 800 in performing operations.
- the processor 800 may be a CPU (Central Processing Unit), an ASIC (Application Specific Integrated Circuit, an application-specific integrated circuit), an FPGA (Field-Progra88able Gate Array, a Field Programmable Gate Array) or a CPLD (Co8plex Progra88able Logic Device, Complex Programmable Logic Device), the processor can also use a multi-core architecture.
- CPU Central Processing Unit
- ASIC Application Specific Integrated Circuit
- FPGA Field-Progra88able Gate Array, a Field Programmable Gate Array
- CPLD Co8plex Progra88able Logic Device, Complex Programmable Logic Device
- the processor is configured to execute the method provided by the embodiment of the present disclosure according to the obtained executable instruction by invoking the computer program stored in the memory.
- the processor and memory may also be physically separated.
- the processor 800 implements the following steps when executing the program for receiving the first indication information sent by the network device:
- the first signaling includes at least one of the following:
- Scheduling signaling for system messages, master information blocks, system messages and paging scheduling signaling are Scheduling signaling for system messages, master information blocks, system messages and paging scheduling signaling.
- the first signaling includes scheduling signaling of system messages
- M bits of reserved bits in the scheduling signaling are used to carry the first indication information
- M is an integer greater than or equal to 1.
- the scheduling signaling of the system message includes: downlink control information DCI scrambled by the system information wireless network temporary identifier SI-RNTI.
- the field related to the channel access type in the DCI is 0 bits.
- the first signaling includes a main information block
- 1 bit in the reserved field in the main information block is used to carry the first indication information.
- the first signaling includes a system message
- N bits in the system message are used to carry the first indication information
- N is an integer greater than or equal to 1.
- the field related to the channel access type in the DCI is 0 bits.
- the first signaling includes paging scheduling signaling
- K bits of reserved bits in the paging scheduling signaling are used to carry the first indication information
- K is an integer greater than or equal to 1.
- the paging scheduling signaling includes: downlink control information DCI scrambled by the paging wireless network temporary identifier P-RNTI.
- the field related to the channel access type in the DCI is 0 bits.
- the processor 800 implements the following steps when executing the program for receiving the first indication information sent by the network device:
- the first indication information sent by the network device through the radio resource control RRC signaling is received by the transceiver 810 .
- the first indication information is carried in the bandwidth part uplink dedicated domain and/or the bandwidth part downlink dedicated domain in the RRC signaling.
- the field related to the channel access type in the DCI is 0 bits.
- the first unlicensed frequency band is a high-frequency unlicensed frequency band.
- the channel access mode is for the uplink bandwidth part and/or the downlink bandwidth part.
- processor 800 further implements the following steps when executing the program:
- the channel access mode indication for the cell and the channel access mode indication for the terminal device are acquired, perform the location where the terminal device is located according to the first indication information corresponding to the channel access mode indication for the terminal device. Determination of channel access mode.
- the above-mentioned terminal device provided by the embodiments of the present disclosure can implement all the method steps implemented by the above-mentioned method embodiments, and can achieve the same technical effect, and the details of the method embodiments in this embodiment will not be discussed here. The same parts and beneficial effects will be described in detail.
- Embodiments of the present disclosure further provide a computer-readable storage medium on which a computer program is stored, wherein, when the computer program is executed by a processor, the steps of the mode indicating method applied to the terminal device are implemented.
- the processor-readable storage medium can be any available medium or data storage device that can be accessed by a processor, including, but not limited to, magnetic storage (eg, floppy disk, hard disk, magnetic tape, magneto-optical disk (MO), etc.), optical storage (eg, CD, DVD, BD, HVD, etc.), and semiconductor memory (eg, ROM, EPROM, EEPROM, non-volatile memory (NAND FLASH), solid-state disk (SSD)), etc.
- magnetic storage eg, floppy disk, hard disk, magnetic tape, magneto-optical disk (MO), etc.
- optical storage eg, CD, DVD, BD, HVD, etc.
- semiconductor memory eg, ROM, EPROM, EEPROM, non-volatile memory
- an embodiment of the present disclosure provides a network device 900, including:
- a sending unit 901 configured to send first indication information to a terminal device, where the first indication information is used to indicate a channel access mode of the terminal device in the first unlicensed frequency band;
- the channel access mode includes: a listen-before-talk LBT mode or a non-listen-before-talk No-LBT mode.
- the sending unit 901 is configured to:
- the first signaling includes at least one of the following:
- Scheduling signaling for system messages, master information blocks, system messages and paging scheduling signaling are Scheduling signaling for system messages, master information blocks, system messages and paging scheduling signaling.
- the first signaling includes scheduling signaling of system messages
- M bits of reserved bits in the scheduling signaling are used to carry the first indication information
- M is an integer greater than or equal to 1.
- the scheduling signaling of the system message includes: downlink control information DCI scrambled by the system information wireless network temporary identifier SI-RNTI.
- the field related to the channel access type in the DCI is 0 bits.
- the first signaling includes a main information block
- 1 bit in the reserved field in the main information block is used to carry the first indication information.
- the first signaling includes a system message
- N bits in the system message are used to carry the first indication information
- N is an integer greater than or equal to 1.
- the field related to the channel access type in the DCI is 0 bits.
- the first signaling includes paging scheduling signaling
- K bits of reserved bits in the paging scheduling signaling are used to carry the first indication information
- K is an integer greater than or equal to 1.
- the paging scheduling signaling includes: downlink control information DCI scrambled by the paging wireless network temporary identifier P-RNTI.
- the field related to the channel access type in the DCI is 0 bits.
- the sending unit 901 is configured to:
- the first indication information is sent to the terminal device through radio resource control RRC signaling.
- the first indication information is carried in the bandwidth part uplink dedicated domain and/or the bandwidth part downlink dedicated domain in the RRC signaling.
- the level targeted by the channel access mode is determined by the domain bearing the RRC signaling
- the level targeted by the channel access mode includes at least one of the following:
- the first unlicensed frequency band is a high-frequency unlicensed frequency band.
- the network device embodiment is a network device corresponding to the above method embodiment one-to-one, and all the implementation manners in the above method embodiment are applicable to the network device embodiment, and the same technical effect can also be achieved.
- each functional unit in each embodiment of the present disclosure may be integrated into one processing unit, or each unit may exist physically alone, or two or more units may be integrated into one unit.
- the above-mentioned integrated units may be implemented in the form of hardware, or may be implemented in the form of software functional units.
- the integrated unit is implemented in the form of a software functional unit and sold or used as an independent product, it may be stored in a processor-readable storage medium.
- the technical solutions of the present disclosure can be embodied in the form of software products in essence, or the parts that contribute to related technologies, or all or part of the technical solutions, and the computer software products are stored in a storage medium.
- a computer device which may be a personal computer, a server, or a network device, etc.
- the aforementioned storage medium includes: U disk, mobile hard disk, read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disk or optical disk and other media that can store program codes .
- an embodiment of the present disclosure further provides a network device, including a processor 1000, a transceiver 1010, a memory 1020, and a program stored on the memory 1020 and executable on the processor 1000; wherein , the transceiver 1010 is connected with the processor 1000 and the memory 1020 through a bus interface, wherein the processor 1000 is used to read the program in the memory, and perform the following processes:
- the channel access mode includes: a listen-before-talk LBT mode or a non-listen-before-talk No-LBT mode.
- the transceiver 1010 is used for receiving and transmitting data under the control of the processor 1000 .
- the bus architecture may include any number of interconnected buses and bridges, specifically one or more processors represented by processor 1000 and various circuits of memory represented by memory 1020 are linked together.
- the bus architecture may also link together various other circuits, such as peripherals, voltage regulators, and power management circuits, which are well known in the art and, therefore, will not be described further herein.
- the bus interface provides the interface.
- Transceiver 1010 may be a number of elements, including a transmitter and a receiver, that provide means for communicating with various other devices over transmission media including wireless channels, wired channels, fiber optic cables, and the like.
- the processor 1000 is responsible for managing the bus architecture and general processing, and the memory 1000 may store data used by the processor 1000 when performing operations.
- the processor 1000 may be a central processing unit (CPU), an application-specific integrated circuit (Application10 Specific I10tegrated Circuit, ASIC), a field-programmable gate array (Field-Programmable Gate Array, FPGA) or a complex programmable logic device (Complex Programmable Logic Device, CPLD), the processor can also use a multi-core architecture.
- CPU central processing unit
- ASIC Application10 Specific I10tegrated Circuit
- FPGA Field-Programmable Gate Array
- CPLD Complex Programmable Logic Device
- the processor 1000 when the channel access mode is for a cell, the processor 1000 implements the following steps when executing the program of sending the first indication information to the terminal device:
- the first signaling includes at least one of the following:
- Scheduling signaling for system messages, master information blocks, system messages and paging scheduling signaling are Scheduling signaling for system messages, master information blocks, system messages and paging scheduling signaling.
- the first signaling includes scheduling signaling of system messages
- M bits of reserved bits in the scheduling signaling are used to carry the first indication information
- M is an integer greater than or equal to 1.
- the scheduling signaling of the system message includes: downlink control information DCI scrambled by the system information wireless network temporary identifier SI-RNTI.
- the field related to the channel access type in the DCI is 0 bits.
- the first signaling includes a main information block
- 1 bit in the reserved field in the main information block is used to carry the first indication information.
- the first signaling includes a system message
- N bits in the system message are used to carry the first indication information
- N is an integer greater than or equal to 1.
- the field related to the channel access type in the DCI is 0 bits.
- the first signaling includes paging scheduling signaling
- K bits of reserved bits in the paging scheduling signaling are used to carry the first indication information
- K is an integer greater than or equal to 1.
- the paging scheduling signaling includes: downlink control information DCI scrambled by the paging wireless network temporary identifier P-RNTI.
- the field related to the channel access type in the DCI is 0 bits.
- the processor 1000 when the channel access mode is for a terminal, the processor 1000 implements the following steps when executing the program for sending the first indication information to the terminal device:
- the first indication information is sent to the terminal device through radio resource control RRC signaling.
- the first indication information is carried in the bandwidth part uplink dedicated domain and/or the bandwidth part downlink dedicated domain in the RRC signaling.
- the level targeted by the channel access mode is determined by the domain bearing the RRC signaling
- the level targeted by the channel access mode includes at least one of the following:
- the first unlicensed frequency band is a high-frequency unlicensed frequency band.
- Embodiments of the present disclosure further provide a computer-readable storage medium on which a computer program is stored, wherein when the computer program is executed by a processor, the steps of the mode indicating method applied to a network device are implemented.
- the processor-readable storage medium can be any available medium or data storage device that can be accessed by a processor, including, but not limited to, magnetic storage (eg, floppy disk, hard disk, magnetic tape, magneto-optical disk (MO), etc.), optical storage (eg, CD, DVD, BD, HVD, etc.), and semiconductor memory (eg, ROM, EPROM, EEPROM, non-volatile memory (NAND FLASH), solid-state disk (SSD)), etc.
- magnetic storage eg, floppy disk, hard disk, magnetic tape, magneto-optical disk (MO), etc.
- optical storage eg, CD, DVD, BD, HVD, etc.
- semiconductor memory eg, ROM, EPROM, EEPROM, non-volatile memory
- embodiments of the present disclosure may be provided as a method, system, or computer program product. Accordingly, the present disclosure may take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present disclosure may take the form of a computer program product embodied on one or more computer-usable storage media having computer-usable program code embodied therein, including but not limited to disk storage, optical storage, and the like.
- processor-executable instructions may also be stored in a processor-readable memory capable of directing a computer or other programmable data processing apparatus to operate in a particular manner, such that the instructions stored in the processor-readable memory result in the manufacture of means including the instructions product, the instruction means implements the functions specified in the flow or flow of the flowchart and/or the block or blocks of the block diagram.
- processor-executable instructions can also be loaded onto a computer or other programmable data processing device to cause a series of operational steps to be performed on the computer or other programmable device to produce a computer-implemented process that Execution of the instructions provides steps for implementing the functions specified in the flowchart or blocks and/or the block or blocks of the block diagrams.
- modules can all be implemented in the form of software calling through processing elements; they can also all be implemented in hardware; some modules can also be implemented in the form of calling software through processing elements, and some modules can be implemented in hardware.
- the determination module may be a separately established processing element, or may be integrated into a certain chip of the above-mentioned device to be implemented, in addition, it may also be stored in the memory of the above-mentioned device in the form of program code, and a certain processing element of the above-mentioned device may Call and execute the function of the above determined module.
- the implementation of other modules is similar. In addition, all or part of these modules can be integrated together, and can also be implemented independently.
- the processing element described here may be an integrated circuit with signal processing capability. In the implementation process, each step of the above-mentioned method or each of the above-mentioned modules can be completed by an integrated logic circuit of hardware in the processor element or an instruction in the form of software.
- each module, unit, sub-unit or sub-module may be one or more integrated circuits configured to implement the above methods, such as: one or more Application Specific Integrated Circuit (ASIC), or, one or Multiple microprocessors (digital signal processors, DSP), or, one or more field programmable gate arrays (Field Programmable Gate Array, FPGA), etc.
- ASIC Application Specific Integrated Circuit
- DSP digital signal processors
- FPGA Field Programmable Gate Array
- the processing element may be a general-purpose processor, such as a central processing unit (Central Processing Unit, CPU) or other processors that can call program codes.
- CPU central processing unit
- these modules can be integrated together and implemented in the form of a system-on-a-chip (SOC).
- SOC system-on-a-chip
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
Claims (41)
- 一种模式指示方法,由终端设备执行,包括:接收网络设备发送的第一指示信息,所述第一指示信息用于指示终端设备在第一非授权频段的信道接入模式;其中,所述信道接入模式包括:先听后说LBT模式或非先听后说No-LBT模式。
- 根据权利要求1所述的方法,其中,在所述信道接入模式针对小区时,所述接收网络设备发送的第一指示信息,包括:接收网络设备通过第一信令发送的第一指示信息;其中,所述第一信令,包括以下至少一项:系统消息的调度信令、主信息块、系统消息和寻呼调度信令。
- 根据权利要求2所述的方法,其中,在所述第一信令包括系统消息的调度信令时,所述调度信令中预留位的M比特用于携带所述第一指示信息;其中,M为大于或等于1的整数。
- 根据权利要求2或3所述的方法,其中,所述系统消息的调度信令包括:系统信息无线网络临时标识SI-RNTI加扰的下行控制信息DCI。
- 根据权利要求4所述的方法,其中,在所述信道接入模式为No-LBT模式的情况下,DCI中与信道接入类型相关的域为0比特。
- 根据权利要求2所述的方法,其中,在所述第一信令包括主信息块时,所述主信息块中预留域中的1比特用于携带所述第一指示信息。
- 根据权利要求2所述的方法,其中,在所述第一信令包括系统消息时,所述系统消息中的N比特用于携带所述第一指示信息;其中,N为大于或等于1的整数。
- 根据权利要求7所述的方法,其特征在于,其中,在所述信道接入模式为No-LBT模式的情况下,DCI中与信道接入类型相关的域为0比特。
- 根据权利要求2所述的方法,其中,在所述第一信令包括寻呼调度信令时,所述寻呼调度信令中预留位的K比特用于携带所述第一指示信息;其中,K为大于或等于1的整数。
- 根据权利要求2或9所述的方法,其中,所述寻呼调度信令包括:寻呼无线网络临时标识P-RNTI加扰的下行控制信息DCI。
- 根据权利要求10所述的方法,其中,在所述信道接入模式为No-LBT模式的情况下,DCI中与信道接入类型相关的域为0比特。
- 根据权利要求1所述的方法,其中,在所述信道接入模式针对终端时,所述接收网络设备发送的第一指示信息,包括:接收网络设备通过无线资源控制RRC信令发送的第一指示信息。
- 根据权利要求12所述的方法,其中,所述第一指示信息在RRC信令中的带宽部分上行专用域和/或带宽部分下行专用域中携带。
- 根据权利要求12所述的方法,其中,在所述信道接入模式为No-LBT模式的情况下,DCI中与信道接入类型相关的域为0比特。
- 根据权利要求1所述的方法,其中,所述第一非授权频段为高频的非授权频段。
- 根据权利要求1所述的方法,其中,所述信道接入模式为针对上行带宽部分和/或下行带宽部分的。
- 根据权利要求1所述的方法,其中,在所述接收网络设备发送的第一指示信息之后,还包括:在获取到针对小区的信道接入模式指示和针对终端设备的信道接入模式指示的情况下,根据针对终端设备的信道接入模式指示所对应的第一指示信息进行所述终端设备所处的信道接入模式的确定。
- 一种模式指示方法,由网络设备执行,包括:发送第一指示信息给终端设备,所述第一指示信息用于指示终端设备在第一非授权频段的信道接入模式;其中,所述信道接入模式包括:先听后说LBT模式或非先听后说No-LBT模式。
- 根据权利要求18所述的方法,其中,在所述信道接入模式针对小区时,所述发送第一指示信息给终端设备,包括:通过第一信令发送第一指示信息给终端设备;其中,所述第一信令,包括以下至少一项:系统消息的调度信令、主信息块、系统消息和寻呼调度信令。
- 根据权利要求19所述的方法,其中,在所述第一信令包括系统消息的调度信令时,所述调度信令中预留位的M比特用于携带所述第一指示信息;其中,M为大于或等于1的整数。
- 根据权利要求19或20所述的方法,其中,所述系统消息的调度信令包括:系统信息无线网络临时标识SI-RNTI加扰的下行控制信息DCI。
- 根据权利要求21所述的方法,其中,在所述信道接入模式为No-LBT模式的情况下,DCI中与信道接入类型相关的域为0比特。
- 根据权利要求19所述的方法,其中,在所述第一信令包括主信息块时,所述主信息块中预留域中的1比特用于携带所述第一指示信息。
- 根据权利要求19所述的方法,其中,在所述第一信令包括系统消息时,所述系统消息中的N比特用于携带所述第一指示信息;其中,N为大于或等于1的整数。
- 根据权利要求24所述的方法,其中,在所述信道接入模式为No-LBT模式的情况下,DCI中与信道接入类型相关的域为0比特。
- 根据权利要求19所述的方法,其中,在所述第一信令包括寻呼调度信令时,所述寻呼调度信令中预留位的K比特用于携带所述第一指示信息;其中,K为大于或等于1的整数。
- 根据权利要求19或26所述的方法,其中,所述寻呼调度信令包括:寻呼无线网络临时标识P-RNTI加扰的下行控制信息DCI。
- 根据权利要求27所述的方法,其中,在所述信道接入模式为No-LBT模式的情况下,DCI中与信道接入类型相关的域为0比特。
- 根据权利要求18所述的方法,其中,在所述信道接入模式针对终端时,所述发送第一指示信息给终端设备,包括:通过无线资源控制RRC信令发送第一指示信息给终端设备。
- 根据权利要求29所述的方法,其中,所述第一指示信息在RRC信令中的带宽部分上行专用域和/或带宽部分下行专用域中携带。
- 根据权利要求29所述的方法,其中,所述信道接入模式所针对的级别通过承载所述RRC信令的域确定;其中,所述信道接入模式所针对的级别包括以下至少一项:终端设备级别;上行带宽部分级别;下行带宽部分级别。
- 根据权利要求18所述的方法,其中,所述第一非授权频段为高频的非授权频段。
- 一种终端设备,包括存储器,收发机,处理器:存储器,用于存储计算机程序;收发机,用于在所述处理器的控制下收发数据;处理器,用于读取所述存储器中的计算机程序并执行以下操作:通过收发机接收网络设备发送的第一指示信息,所述第一指示信息用于指示终端设备在第一非授权频段的信道接入模式;其中,所述信道接入模式包括:先听后说LBT模式或非先听后说No-LBT模式。
- 根据权利要求33所述的终端设备,其中,在所述信道接入模式针对小区时,所述处理器用于读取所述存储器中通过收发机接收网络设备发送的第一指示信息的计算机程序并执行以下操作:通过收发机接收网络设备通过第一信令发送的第一指示信息;其中,所述第一信令,包括以下至少一项:系统消息的调度信令、主信息块、系统消息和寻呼调度信令。
- 根据权利要求33所述的终端设备,其中,在所述信道接入模式针对终端时,所述处理器用于读取所述存储器中通过收发机接收网络设备发送的第一指示信息的计算机程序并执行以下操作:通过收发机接收网络设备通过无线资源控制RRC信令发送的第一指示信息。
- 一种网络设备,包括存储器,收发机,处理器:存储器,用于存储计算机程序;收发机,用于在所述处理器的控制下收发数据;处理器,用于读取所述存储器中的计算机程序并执行以下操作:通过收发机发送第一指示信息给终端设备,所述第一指示信息用于指示终端设备在第一非授权频段的信道接入模式;其中,所述信道接入模式包括:先听后说LBT模式或非先听后说No-LBT模式。
- 根据权利要求36所述的网络设备,其中,在所述信道接入模式针对小区时,所述处理器用于读取所述存储器中通过收发机发送第一指示信息给终端设备的计算机程序并执行以下操作:通过收发机并通过第一信令发送第一指示信息给终端设备;其中,所述第一信令,包括以下至少一项:系统消息的调度信令、主信息块、系统消息和寻呼调度信令。
- 根据权利要求36所述的网络设备,其中,在所述信道接入模式针对终端时,所述处理器用于读取所述存储器中通过收发机发送第一指示信息给终端设备的计算机程序并执行以下操作:通过收发机并通过无线资源控制RRC信令发送第一指示信息给终端设备。
- 一种终端设备,包括:接收单元,用于接收网络设备发送的第一指示信息,所述第一指示信息用于指示终端设备在第一非授权频段的信道接入模式;其中,所述信道接入模式包括:先听后说LBT模式或非先听后说No-LBT模式。
- 一种网络设备,包括:发送单元,用于发送第一指示信息给终端设备,所述第一指示信息用于指示终端设备在第一非授权频段的信道接入模式;其中,所述信道接入模式包括:先听后说LBT模式或非先听后说No-LBT模式。
- 一种处理器可读存储介质,所述处理器可读存储介质存储有计算机程序,所述计算机程序用于使所述处理器执行权利要求1至32任一项所述的方法。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP22736547.5A EP4277398A4 (en) | 2021-01-05 | 2022-01-05 | MODE INDICATION METHOD, TERMINAL DEVICE AND NETWORK DEVICE |
US18/258,990 US20240049281A1 (en) | 2021-01-05 | 2022-01-05 | Mode indication method, terminal device and network device |
MX2023008022A MX2023008022A (es) | 2021-01-05 | 2022-01-05 | Metodo de indicacion de modo, dispositivo terminal y dispositivo de red. |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110008177 | 2021-01-05 | ||
CN202110008177.6 | 2021-01-05 | ||
CN202111667705.5A CN114727397A (zh) | 2021-01-05 | 2021-12-31 | 模式指示方法、终端设备及网络设备 |
CN202111667705.5 | 2021-12-31 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2022148385A1 true WO2022148385A1 (zh) | 2022-07-14 |
Family
ID=82236279
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CN2022/070393 WO2022148385A1 (zh) | 2021-01-05 | 2022-01-05 | 模式指示方法、终端设备及网络设备 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20240049281A1 (zh) |
EP (1) | EP4277398A4 (zh) |
CN (1) | CN114727397A (zh) |
MX (1) | MX2023008022A (zh) |
WO (1) | WO2022148385A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2023164804A1 (zh) * | 2022-03-01 | 2023-09-07 | 深圳传音控股股份有限公司 | 处理方法、通信设备及存储介质 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN117440373A (zh) * | 2022-07-12 | 2024-01-23 | 大唐移动通信设备有限公司 | 网络控制中继ncr的管理方法、装置及存储介质 |
CN117998538A (zh) * | 2022-11-04 | 2024-05-07 | 华为技术有限公司 | 通信方法及相关装置 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107888256A (zh) * | 2016-09-30 | 2018-04-06 | 中兴通讯股份有限公司 | 数据传输、接收方法、装置、基站及终端 |
WO2019056370A1 (zh) * | 2017-09-25 | 2019-03-28 | 华为技术有限公司 | 一种通信方法和装置 |
CN111277384A (zh) * | 2019-02-27 | 2020-06-12 | 维沃移动通信有限公司 | 传输资源指示方法、传输方法、网络设备和终端 |
WO2020125121A1 (en) * | 2018-12-21 | 2020-06-25 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and device operating in unlicensed spectrum |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020087547A1 (zh) * | 2018-11-02 | 2020-05-07 | 富士通株式会社 | 随机接入配置方法、信号发送方法、装置和通信系统 |
EP4282192A2 (en) * | 2021-04-05 | 2023-11-29 | Huawei Technologies Co., Ltd. | Initial channel access in unlicensed spectrum with directional sensing and communication |
-
2021
- 2021-12-31 CN CN202111667705.5A patent/CN114727397A/zh active Pending
-
2022
- 2022-01-05 WO PCT/CN2022/070393 patent/WO2022148385A1/zh active Application Filing
- 2022-01-05 MX MX2023008022A patent/MX2023008022A/es unknown
- 2022-01-05 US US18/258,990 patent/US20240049281A1/en active Pending
- 2022-01-05 EP EP22736547.5A patent/EP4277398A4/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107888256A (zh) * | 2016-09-30 | 2018-04-06 | 中兴通讯股份有限公司 | 数据传输、接收方法、装置、基站及终端 |
WO2019056370A1 (zh) * | 2017-09-25 | 2019-03-28 | 华为技术有限公司 | 一种通信方法和装置 |
WO2020125121A1 (en) * | 2018-12-21 | 2020-06-25 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and device operating in unlicensed spectrum |
CN111277384A (zh) * | 2019-02-27 | 2020-06-12 | 维沃移动通信有限公司 | 传输资源指示方法、传输方法、网络设备和终端 |
Non-Patent Citations (2)
Title |
---|
MODERATOR (QUALCOMMINCORPORATED): "Email discussion on channel access mechanism for 52.6GHz-71GHz band, version 2", 3GPP DRAFT; R1-2007193, vol. RAN WG1, 25 August 2020 (2020-08-25), pages 1 - 33, XP051921458 * |
See also references of EP4277398A4 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2023164804A1 (zh) * | 2022-03-01 | 2023-09-07 | 深圳传音控股股份有限公司 | 处理方法、通信设备及存储介质 |
Also Published As
Publication number | Publication date |
---|---|
US20240049281A1 (en) | 2024-02-08 |
MX2023008022A (es) | 2023-07-13 |
EP4277398A4 (en) | 2024-05-08 |
CN114727397A (zh) | 2022-07-08 |
EP4277398A1 (en) | 2023-11-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2022148385A1 (zh) | 模式指示方法、终端设备及网络设备 | |
WO2021163938A1 (zh) | 天线切换方法、终端设备和通信设备 | |
WO2022151868A1 (zh) | 一种dmrs绑定窗口确定方法、装置及存储介质 | |
WO2022152038A1 (zh) | Dci的发送方法、接收方法、装置、网络侧设备及终端 | |
WO2022152068A1 (zh) | 资源确定方法、通信设备和存储介质 | |
WO2023051265A1 (zh) | 确定pdcch监听自适应行为的方法及装置 | |
WO2022152067A1 (zh) | 发送位置确定方法、通信设备和存储介质 | |
WO2022068683A1 (zh) | Bwp的配置方法、装置、网络侧设备及终端 | |
WO2020087541A1 (zh) | 下行控制信息的传输方法和设备 | |
WO2023208046A1 (zh) | 资源选择方法、设备、装置及存储介质 | |
WO2022193832A1 (zh) | 信息传输方法、装置及存储介质 | |
WO2023207459A1 (zh) | 一种信息处理方法、装置及可读存储介质 | |
WO2023207744A1 (zh) | 资源调度方法、设备、装置及存储介质 | |
WO2023051689A1 (zh) | 上行信息发送方法、接收方法、终端和网络设备 | |
CN114095116B (zh) | Dci解析方法、发送方法、终端和网络设备 | |
WO2024021937A1 (zh) | 小区服务控制、信号配置、信号发送方法、设备及终端 | |
WO2022237540A1 (zh) | 信息指示、获取方法及装置 | |
WO2024027649A1 (zh) | 频域资源确定方法、指示方法、装置、终端及网络设备 | |
WO2022206678A1 (zh) | 数据传输方法、装置及存储介质 | |
WO2022152052A1 (zh) | Pdcch传输方法、装置、终端及网络侧设备 | |
WO2024017082A1 (zh) | 配置信息的指示方法及装置 | |
WO2022237498A1 (zh) | 重复传输的确定方法、装置、终端及网络侧设备 | |
WO2023124156A1 (zh) | 信息确定、配置方法、装置、终端设备及网络设备 | |
WO2022199233A1 (zh) | 寻呼方法、装置及存储介质 | |
WO2024022157A1 (zh) | 定位处理方法、装置及设备 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 22736547 Country of ref document: EP Kind code of ref document: A1 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 18258990 Country of ref document: US |
|
WWE | Wipo information: entry into national phase |
Ref document number: MX/A/2023/008022 Country of ref document: MX |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
ENP | Entry into the national phase |
Ref document number: 2022736547 Country of ref document: EP Effective date: 20230807 |