WO2018137590A1 - Procédé de partage de ressource de canal, terminal de communication mobile, et équipement de réseau - Google Patents

Procédé de partage de ressource de canal, terminal de communication mobile, et équipement de réseau Download PDF

Info

Publication number
WO2018137590A1
WO2018137590A1 PCT/CN2018/073711 CN2018073711W WO2018137590A1 WO 2018137590 A1 WO2018137590 A1 WO 2018137590A1 CN 2018073711 W CN2018073711 W CN 2018073711W WO 2018137590 A1 WO2018137590 A1 WO 2018137590A1
Authority
WO
WIPO (PCT)
Prior art keywords
transmission
mcot
control information
downlink
side device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2018/073711
Other languages
English (en)
Chinese (zh)
Inventor
孙立新
丁颖哲
周明宇
王力
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Baicells Technologies Co Ltd
Original Assignee
Baicells Technologies Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Baicells Technologies Co Ltd filed Critical Baicells Technologies Co Ltd
Publication of WO2018137590A1 publication Critical patent/WO2018137590A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
    • 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
    • H04W72/12—Wireless traffic scheduling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling
    • H04W72/1263—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management

Definitions

  • the present disclosure relates to the field of communications, and in particular, to a channel resource sharing method, a mobile communication terminal, and a network side device.
  • an uplink transmission scheme using a base station for centralized scheduling in a wireless communication system requires multiple Listening Before Talk (LBT).
  • LBT Listening Before Talk
  • an uplink transmission scheme for autonomous scheduling using a mobile communication terminal (UE) that is, AUL (Autonomous UpLink) or GUL (Grant-less UpLink) is proposed in MulteFire (MF). Since the uplink transmission scheme allows the UE to initiate uplink transmission autonomously, the delay and the number of LBTs are reduced.
  • the corresponding MCOT is performed. (The maximum channel occupancy duration), the evolved Node B (eNB) transmits the downlink signal and schedules the UE to transmit the uplink signal.
  • the eNB evolved Node B
  • the UE may adopt Cat-4LBT (type 1 uplink channel access procedure defined in 3GPP TS36.213) and after successfully contending for the channel, the UE may obtain current channel access parameters (channel connection)
  • the MCOT (the maximum channel occupation duration) corresponding to the priority) can perform the uplink transmission of the UE's autonomous scheduling within the MCOT.
  • the length of the MCOT is usually configured longer. When the time requirement for uplink transmission is small, this will result in waste of channel resources.
  • Embodiments of the present disclosure provide a channel resource sharing method, a mobile communication terminal, and a network side device.
  • an embodiment of the present disclosure provides a channel resource sharing method, which is applied to a mobile communication terminal, and includes: after the mobile communication terminal performs a first listening and then sends an LBT successfully, determining a corresponding parameter according to parameters of the LBT, and the like. a maximum channel occupancy duration MCOT; performing autonomous scheduling uplink transmission in the MCOT, the autonomous scheduling uplink transmission carrying uplink control information, where the uplink control information is used to instruct the network side device to perform the autonomous scheduling uplink of the mobile communication terminal Transmitting and instructing the network side device to perform downlink transmission in the MCOT after performing the autonomous scheduled uplink transmission.
  • the embodiment of the present disclosure further provides a channel resource sharing method, which is applied to a network side device, and includes: performing, by the mobile communication terminal, after the LBT is successfully sent after the first listening, the maximum channel occupation time MCOT is initiated.
  • Autonomously scheduling uplink transmission the MCOT is a channel occupation duration determined according to parameters of the LBT, and the autonomously scheduled uplink transmission carries uplink control information; and performing the autonomous scheduling uplink transmission according to the uplink control information. After completion, downlink transmission is performed within the MCOT.
  • an embodiment of the present disclosure further provides a mobile communication terminal, including: a processor, a memory, a network interface, and a data bus, wherein the data bus is used to connect the processor, the memory, and the network interface.
  • the memory is for storing program code
  • the processor is configured to call the program code stored in the memory to perform the method described in the first aspect above.
  • an embodiment of the present disclosure further provides a network side device, including: a processor, a memory, a network interface, and a data bus, where the data bus is used to connect the processor, the memory, and the network interface.
  • the memory is for storing program code
  • the processor is configured to call the program code stored in the memory to execute the method described in the second aspect above.
  • an embodiment of the present disclosure provides a mobile communication terminal, including: a determining module, configured to determine, according to parameters of an LBT, a corresponding maximum channel occupation duration MCOT after the mobile communication terminal performs the first listening and then sends the LBT successfully. And a transmission module, configured to perform autonomous scheduling uplink transmission in the MCOT, where the autonomously scheduled uplink transmission carries uplink control information, where the uplink control information is used to instruct the network side device to perform autonomous scheduling of the mobile communication terminal. Uplink transmission and instructing the network side device to perform downlink transmission in the MCOT after performing the autonomously scheduled uplink transmission.
  • an embodiment of the present disclosure provides a network side device, including: an execution module, configured to perform an autonomous scheduling uplink transmission initiated by a mobile communication terminal after a successful listening and post-issuing LBT, in a maximum channel occupation duration MCOT,
  • the MCOT is a channel occupation time length determined according to the parameter of the LBT
  • the autonomously scheduled uplink transmission carries uplink control information
  • the initiating module is configured to execute the autonomously scheduled uplink transmission according to the indication of the uplink control information. After completion, downlink transmission is performed within the MCOT.
  • FIG. 1 is a flowchart of a channel resource sharing method according to an embodiment of the present disclosure
  • FIG. 2 is a flowchart of a channel resource sharing method according to an embodiment of the present disclosure
  • FIG. 3 is a schematic flowchart of resource transmission in a channel resource sharing method according to an embodiment of the present disclosure
  • FIG. 4 is a schematic flowchart of resource transmission in a channel resource sharing method according to an embodiment of the present disclosure
  • FIG. 5 is a flowchart of a channel resource sharing method according to an embodiment of the present disclosure.
  • FIG. 6 is a flowchart of a channel resource sharing method according to an embodiment of the present disclosure.
  • FIG. 7 is a schematic structural diagram of a mobile communication terminal according to an embodiment of the present disclosure.
  • FIG. 8 is a schematic structural diagram of a network side device according to an embodiment of the present disclosure.
  • FIG. 9 is a schematic structural diagram of a mobile communication terminal according to an embodiment of the present disclosure.
  • FIG. 10 is a schematic structural diagram of a network side device according to an embodiment of the present disclosure.
  • a mobile communication terminal may be a mobile phone (or mobile phone), or other device capable of transmitting or receiving wireless signals, including a user equipment (terminal), a personal digital assistant (PDA), a wireless modem, Wireless communication device, handheld device, laptop computer, cordless telephone, wireless local loop (WLL) station, CPE (Customer Premise Equipment) capable of converting mobile signals into wireless fidelity (WiFi) signals, or mobile intelligence Hotspots, smart appliances, or other devices that can communicate spontaneously with mobile communication networks without human intervention.
  • a user equipment terminal
  • PDA personal digital assistant
  • WLL wireless local loop
  • CPE Customer Premise Equipment
  • the network side device may be a base station.
  • the form of the base station is not limited, and may be a Macro Base Station, a Pico Base Station, a Node B (Node B (referred to as a 3G mobile base station)), or an Enhanced Base Station (ENB).
  • the home enhanced base station (Femto eNB or Home eNode B or Home eNB or HNEB), the relay station, the access point, the RRU (Remote Radio Unit), the RRH (Remote Radio Head), and the like.
  • FIG. 1 is a flowchart of a channel resource sharing method according to an embodiment of the present disclosure. As shown in FIG. 1, the channel resource sharing method is applied to a mobile communication terminal, and includes the following steps 101-102.
  • the mobile communication terminal determines the corresponding maximum channel occupancy time MCOT (Max Channel Occupy Time) according to the parameters of the LBT after the LBT (Listen Before Talk) is successfully performed. For example, the MCOT is determined according to the channel access priority, whether there is an interval, and the high layer signaling indicates whether there is another technology absenceOfAnyOtherTechnology-r14.
  • MCOT Maximum Channel occupancy time
  • the channel resource sharing method provided by the embodiment of the present disclosure is mainly used in a mobile communication system, and is used for sharing resources within a channel occupation time obtained by autonomous scheduling of a mobile communication terminal, so as to improve utilization of channel resources.
  • the type 1 uplink access procedure (ie, Cat-4LBT) may be adopted first, and the channel access priority is configured. After the LBT is successful, the mobile communication terminal can obtain the corresponding MCOT.
  • the specific MCOT size may be determined by the high layer signaling whether there are other access technologies, whether there is a time interval of 100 microseconds or more, and the channel access priority is determined jointly.
  • the channel access priority is a parameter for determining the MCOT, which may be configured in advance by a protocol, or configured by the mobile communication terminal, or configured by the network side device, and is not further limited herein. .
  • the duration of the above MCOT can be set according to actual needs.
  • the MCOT may be 2 milliseconds (ms), 3 ms, 6 ms, 8 ms, or 10 ms.
  • the autonomously scheduled uplink transmission may be AUL (Autonomous UpLink) or GUL (Grant-less UpLink). The following description uses GUL as an example.
  • Step 102 Perform autonomous scheduling uplink transmission in the MCOT, where the autonomously scheduled uplink transmission carries uplink control information, where the uplink control information is used to instruct the network side device to perform the autonomous scheduling uplink transmission of the mobile communication terminal and the indication.
  • the network side device performs downlink transmission in the MCOT after performing the autonomous scheduled uplink transmission.
  • the transmission duration of the autonomously scheduled uplink transmission may be set according to actual needs. Specifically, the transmission duration of the autonomously scheduled uplink transmission is less than the MCOT, for example, the MCOT may be 6 ms, and the autonomously scheduled uplink transmission is 2 ms. That is, in this embodiment, the uplink control information may indicate that the network side device performs downlink transmission on the time-frequency resource of the third to sixth ms, and the receiving end corresponding to the downlink transmission may be the mobile communication that initiates the autonomously scheduled uplink transmission.
  • the terminal may also be another mobile communication terminal, which is not further limited herein.
  • the mobile communication terminal when the time reaches the start time corresponding to the MCOT, the mobile communication terminal sends an autonomously scheduled uplink transmission to transmit uplink data and uplink control information.
  • the network side device may first receive uplink data and uplink control information according to the uplink control information, and then perform downlink transmission after the uplink transmission is completed.
  • the setting of the start time of the downlink transmission may be set according to actual needs, and is not further limited herein.
  • the time when the downlink transmission starts may be agreed by a prior agreement, or the broadcast notification may be performed by the network side device.
  • the indication may be made by the mobile communication terminal, or a joint indication of at least two of the foregoing.
  • the mobile communication terminal determines the corresponding maximum channel occupation time MCOT according to the parameters of the LBT, and performs autonomous scheduling uplink transmission in the MCOT.
  • the autonomously scheduled uplink transmission carries the uplink control information, where the uplink control information is used to indicate that the network side device performs the autonomous scheduling uplink transmission of the mobile communication terminal, and indicates that the network side device is in the execution of the autonomously scheduled uplink transmission.
  • the downlink transmission is performed within the MCOT.
  • the downlink transmission of the network side device can be performed in the remaining time after the uplink transmission is performed, thereby realizing the channel resource sharing in the MCOT and improving the utilization of the channel resource.
  • the network side device needs to perform LBT again, so it is necessary to set the time interval between the uplink transmission and the downlink transmission.
  • This time interval can be set according to actual needs.
  • the start time of the downlink transmission may be indicated by using the uplink control information to indicate.
  • the uplink control information used to indicate that the network side device performs downlink transmission in the MCOT after performing the autonomously scheduled uplink transmission includes: instructing the network side device to perform autonomous scheduling uplink in the MCOT.
  • the first interval configuration information includes at least one of (i) and (ii): (i) a time-frequency location indicating that the network side device starts downlink transmission in the MCOT; and Ii) Puncture is indicated at the last symbol of the last subframe of the autonomously scheduled uplink transmission.
  • the time-frequency position indicating that the network-side device starts the downlink transmission may be set according to actual needs, for example, the approximate location may be indicated, and then the start time of starting the downlink transmission is determined according to the preset transmission rule, and the downlink transmission may also be indicated. Start sub-frame position. This is described in detail below.
  • the MCOT may be 6 ms.
  • the indication of the starting subframe position of the downlink transmission may be as follows. Indicates that the autonomously scheduled uplink transmission is 2 ms, and the last subframe can end at the penultimate symbol, and the time domain location of the network side device is 3 ms to 6 ms (ie, the remaining MCOT is occupied), and the subframe starts at the 3 ms.
  • the boundary sends a downlink transmission.
  • the time interval configuration of the uplink transmission and the downlink transmission may be performed by using the cell-specific timing advance cell-specific TA. That is, in the embodiment, performing the autonomous scheduling uplink transmission in the MCOT includes: performing a cell-specific timing advance cell-specific TA and the MCOT carried in the system broadcast message of the network side device, and controlling to start the autonomous scheduling uplink The lead time of the transfer. Since the mobile communication terminal can be controlled to send the autonomously scheduled uplink transmission in advance, so that there is a time interval between the uplink transmission and the downlink transmission, the network side device performs the LBT.
  • the interval between the uplink transmission and the downlink transmission may be performed by puncture at the last symbol of the last subframe of the autonomously scheduled uplink transmission, cell-specific timing advancement cell-specific TA, and second One or more combinations of the manner in which the time slot starts the downlink transmission subframe or the like is implemented.
  • the network side device when the network side device performs the LBT for downlink transmission, it is required to determine at least one of the LBT type and the channel access priority, and the specific implementation manner may be multiple. For example, it may be determined by the network side device itself, or may be determined based on the relevant standard protocol, and may also be indicated by using the above control information.
  • the uplink control information is used to perform the indication, the uplink control information is further used to indicate the type of the LBT and the channel access priority corresponding to the LBT in which the network side device performs downlink transmission in the MCOT. At least one of them.
  • the content of the uplink control information may be set according to actual needs.
  • the uplink control information may include a Cell Radio Network Temporary Identifier (C-RNTI), a size of the MCOT, a length of the autonomously scheduled uplink transmission, and a location of the initial subframe.
  • C-RNTI Cell Radio Network Temporary Identifier
  • the uplink control information may include a Cell Radio Network Temporary Identifier (C-RNTI), a size of the MCOT, a length of the autonomously scheduled uplink transmission, and a location of the initial subframe.
  • the content that the network side device performs downlink transmission in the MCOT includes at least one of downlink control information and downlink data.
  • the downlink control information may include: a C-RNTI scrambled PDCCH (Physical Downlink Control Channel) or an EPDCCH (Enhanced Physical Downlink Control Channel).
  • the transmission acknowledges the characters ACK/NACK, CSI (Channel State Information) feedback, and schedules uplink and downlink transmissions.
  • the downlink control information may further include a CC-RNTI scrambled PDCCH for broadcasting uplink transmission information.
  • the downlink control information may further include: a PDSCH (Physical Downlink Shared Channel) for data transmission/system message.
  • the Cat-4LBT is first performed by the mobile communication terminal, and then the mobile communication terminal that initiates the autonomously scheduled uplink transmission performs autonomously scheduled uplink transmission (which may be GUL) to pass the PUSCH (Physical Uplink Shared Channel). ) transmitting uplink control information and uplink transmission data.
  • the network side device transmits a downlink transmission (DL (Down Link)) transmitted through the PDSCH, and transmits the downlink control information PDCCH and the C-PDCCH in the downlink transmission process.
  • DL Down Link
  • the mobile communication terminal or other mobile communication terminal that initiates the autonomously scheduling uplink transmission may be triggered to perform uplink transmission in the MCOT, so as to further improve the utilization of channel resources in the MCOT. That is to say, in the downlink transmission, in addition to the C-RNTI scrambled downlink (PDCCH) corresponding to the mobile communication terminal that initiates the autonomously scheduling the uplink transmission, other RNTI scrambled PDCCHs, EPDDCH, PDSCH, etc., such as CC-RNTI, may be transmitted.
  • the scrambled PDCCH is the C-PDCCH.
  • the downlink control information may be used to indicate that the mobile communication terminal triggers at least one of an uplink transmission and a scheduled uplink transmission in the MCOT.
  • the network side device may indicate the triggered uplink transmission Scheduled UL (SUL) through the C-PDCCH (CC-RNTI scrambled PDCCH) (ie, the trigger A is sent in the UL grant, the trigger B Sent in C-PDCCH).
  • SUL Scheduled UL
  • C-PDCCH CC-RNTI scrambled PDCCH
  • the method further includes step 103.
  • Step 103 Acquire downlink control information that is sent by the network side device based on the autonomously scheduled uplink transmission feedback.
  • the network side device feeds back the downlink control information such as the transmission acknowledgement characters ACK/NACK and CSI (Channel State Information) of the autonomously scheduled uplink transmission.
  • the feedback mode for transmitting confirmation characters can be set according to actual needs.
  • the downlink control information is further used to feed back a transmission confirmation character corresponding to a hybrid automatic repeat request (HARQ) process of the physical uplink shared channel PUSCH transmission in each subframe.
  • HARQ hybrid automatic repeat request
  • the downlink control information is further used to feed back all the transmission confirmation characters of the hybrid automatic repeat request HARQ process to be fed back in the physical uplink shared channel PUSCH transmission of the preset number of subframes before the current subframe.
  • the downlink control information may be transmitted in a PDCCH or an EPDCCH, and the subframe position where the downlink control information is located may be determined by using a standard (for example, a PDCCH or an EPDCCH in the Nth or last downlink subframe according to the read C-PDCCH).
  • the downlink control information is sent, where N is a positive integer) or indicated by uplink control information.
  • FIG. 6 is a flowchart of a channel resource sharing method according to an embodiment of the present disclosure. As shown in FIG. 6, the channel resource sharing method is applied to a network side device, and includes the following steps 601-602.
  • Step 601 Perform autonomous scheduling uplink transmission initiated by the mobile communication terminal in the maximum channel occupation duration MCOT after performing the LBT success, and the MCOT is the channel occupation duration determined according to the parameter of the LBT, the autonomous The scheduled uplink transmission carries uplink control information.
  • the channel resource sharing method provided by the embodiment of the present disclosure is mainly applied to a mobile communication system, and is used for sharing resources of a channel occupied by a mobile communication terminal for autonomously scheduling uplink transmission, so as to improve utilization of channel resources.
  • the type 1 uplink access procedure (ie, Cat-4LBT) may be adopted first, and the priority of the channel access is configured; after the LBT succeeds, the corresponding MCOT may be obtained.
  • the specific MCOT size may be determined by the high layer signaling whether there are other access technologies, whether there is an interval of 100 us or more, and the channel access priority is determined jointly.
  • the channel access priority is a parameter for determining the MCOT, which may be configured by using a protocol in advance, or configured by the mobile communication terminal, or configured by the network side device, and is not further limited herein. .
  • the duration of the MCOT may be set according to actual needs.
  • the MCOT may be 2 ms, 3 ms, 6 ms, 8 ms, or 10 ms.
  • the autonomously scheduled uplink transmission may be AUL (Autonomous UpLink) or GUL (Grant-less UpLink). The following description uses GUL as an example.
  • Step 602 Perform downlink transmission in the MCOT after performing the autonomously scheduled uplink transmission according to the uplink control information.
  • the transmission duration of the autonomously scheduled uplink transmission may be set according to actual needs. Specifically, the transmission duration of the autonomously scheduled uplink transmission is less than the MCOT, for example, the MCOT may be 6 ms, and the autonomously scheduled uplink transmission is 2 ms. That is, in this embodiment, the uplink control information may indicate that the network side device performs downlink transmission on the time-frequency resource of the third to sixth ms, and the receiving end corresponding to the downlink transmission may be the mobile communication that initiates the autonomously scheduled uplink transmission.
  • the terminal may also be another mobile communication terminal, which is not further limited herein.
  • the mobile communication terminal when the time reaches the start time corresponding to the MCOT, the mobile communication terminal sends an autonomously scheduled uplink transmission to transmit corresponding uplink data and uplink control information, and the network side device may perform an indication according to the uplink control information. First, the uplink data is received, and then the downlink transmission is performed after the uplink transmission is completed.
  • the setting of the start time of the downlink transmission may be set according to actual needs, and is not further limited herein.
  • the time when the downlink transmission starts may be agreed by a prior agreement, or the broadcast notification may be performed by the network side device.
  • the indication may be made by the mobile communication terminal, or a joint indication of at least two of the foregoing.
  • the network side device performs autonomous scheduling uplink transmission initiated by the mobile communication terminal in the maximum channel occupation duration MCOT after the first listening to the LBT is successful, and the MCOT is a parameter according to the LBT.
  • the autonomously scheduled uplink transmission carries the uplink control information, and the downlink transmission is performed in the MCOT after the performing the autonomously scheduled uplink transmission is completed according to the uplink control information.
  • the downlink transmission of the network side device can be performed in the remaining time, thereby realizing sharing of channel resources in the MCOT and improving the channel. Utilization of resources.
  • the LBT needs to be re-executed by the network side device, so the time interval between the uplink transmission and the downlink transmission needs to be set.
  • the setting of this time interval can be set according to actual needs.
  • the start time of the downlink transmission may be indicated by using the foregoing control information to indicate.
  • the uplink control information is used to indicate that the network side device performs the first interval configuration information of the autonomously scheduled uplink transmission completion and the downlink transmission interval time in the MCOT.
  • the first interval configuration information includes at least one of (i) and (ii): (i) a time-frequency location indicating that the network side device starts downlink transmission in the MCOT; and Ii) puncturing at the last symbol of the last subframe of the autonomously scheduled uplink transmission.
  • the manner of indicating the time domain location of the downlink transmission may be set according to actual needs, for example, an approximate location may be indicated, and then the start time of starting the downlink transmission may be determined according to the preset transmission rule, and the start of the downlink transmission may also be indicated.
  • Subframe position That is, the time-frequency position indicating that the network-side device starts downlink transmission in the MCOT includes the starting subframe position indicating the downlink transmission. This is described in detail below.
  • the MCOT may be 6 ms.
  • the indication of the starting subframe position of the downlink transmission may adopt the following indication manner. Indicates that the autonomously scheduled uplink transmission is 2 ms, and the last subframe can end at the penultimate symbol, and the time domain location of the network side device is 3 ms to 6 ms (ie, the remaining MCOT is occupied) and the subframe boundary starts at the 3 ms. Send a downlink transmission.
  • the time interval configuration of the uplink transmission and the downlink transmission may be performed by using the cell-specific timing advance cell-specific TA. That is, in the embodiment, the performing the autonomous scheduling uplink transmission in the MCOT includes: performing a cell-specific timing advance cell-specific TA and the MCOT carried in a system broadcast message of the network side device, and the control starts to autonomously The advance time of the uplink transmission is scheduled. Since the mobile communication terminal can be controlled to send the autonomously scheduled uplink transmission in advance, so that there is a time interval between the uplink transmission and the downlink transmission, the network side device performs the LBT.
  • the time interval between the uplink transmission and the downlink transmission may be punctured by the last symbol of the last subframe of the autonomously scheduled uplink transmission, the cell-level timing advance amount cell-specific TA, and the second One or more combinations of the manner in which the slot is started, the downlink transmission subframe, and the like are implemented.
  • the network side device when the network side device performs the LBT for downlink transmission, it is also required to determine at least one of the LBT type and the channel access priority, and the specific implementation manner may be multiple. For example, it may be determined internally by the network side device, or may be determined based on a standard protocol, and may also be indicated by using the above control information.
  • the uplink control information is used for the indication, the uplink control information is further used to indicate that at least one of the LBT type and the channel access priority corresponding to the downlink transmission by the network side device in the MCOT.
  • the content of the uplink control information may be set according to actual needs.
  • the uplink control information includes a Cell Radio Network Temporary Identifier (C-RNTI), a size of the MCOT, a length of autonomously scheduled uplink transmission, and a start subframe position and At least one of the second interval configuration information between adjacent subframes, where the second interval configuration information includes the first interval configuration information.
  • C-RNTI Cell Radio Network Temporary Identifier
  • the content that the network side device performs downlink transmission in the MCOT includes at least one of downlink control information and downlink data.
  • the downlink control information may include a C-RNTI scrambled PDCCH (Physical Downlink Control Channel) or an EPDCCH (Enhanced Physical Downlink Control Channel).
  • the downlink control information may further include a CC-RNTI scrambled PDCCH for broadcasting uplink transmission information, and the downlink control information. It may also include a PDSCH (Physical Downlink Shared Channel) for data transmission/system messages and the like.
  • PDSCH Physical Downlink Shared Channel
  • the Cat-4LBT is first performed by the mobile communication terminal, and then the mobile communication terminal that initiates the autonomously scheduled uplink transmission performs autonomously scheduled uplink transmission (which may be GUL) to pass the PUSCH (Physical Uplink Shared Channel). ) transmitting uplink control information and uplink transmission data.
  • the network side device transmits a downlink transmission (DL Down Link) transmitted through the PDSCH, and transmits downlink control information PDCCH and C-PDCCH in the downlink transmission process.
  • the mobile communication terminal or other mobile communication terminal that initiates the autonomously scheduling uplink transmission may be triggered to perform uplink transmission in the MCOT, so as to further improve the utilization of channel resources in the MCOT. That is to say, in the downlink transmission, in addition to the C-RNTI scrambled downlink (PDCCH) corresponding to the mobile communication terminal that initiates the autonomously scheduling the uplink transmission, other RNTI scrambled PDCCHs, EPDDCH, PDSCH, etc., such as CC-, may be transmitted.
  • the PDCCH that is scrambled by the RNTI is the C-PDCCH.
  • the downlink control information may be used to indicate that the mobile communication terminal triggers at least one of an uplink transmission and a scheduled uplink transmission in the MCOT.
  • the network side device may indicate that the uplink transmission is scheduled by the C-PDCCH (CC-RNTI scrambled PDCCH), that is, the trigger A is transmitted in the UL grant, and the trigger B is in the C-PDCCH. Sent in).
  • C-PDCCH CC-RNTI scrambled PDCCH
  • the trigger A is transmitted in the UL grant
  • the trigger B is in the C-PDCCH. Sent in).
  • the network side device feeds back the downlink control information of the transmission acknowledgement characters ACK/NACK and CSI of the autonomously scheduled uplink transmission.
  • the feedback mode for transmitting confirmation characters can be set according to actual needs.
  • the downlink control information is further used to feed back a transmission confirmation character corresponding to a hybrid automatic repeat request (HARQ) process of the physical uplink shared channel PUSCH transmission in each subframe.
  • HARQ hybrid automatic repeat request
  • the downlink control information is further used to feed back all transmission confirmation characters corresponding to the hybrid automatic repeat request HARQ process of the physical uplink shared channel PUSCH transmission to be fed back on the preset number of subframes before the current subframe.
  • the downlink control information may be transmitted in a PDCCH or an EPDCCH, and the subframe position where the downlink control information is located may be determined by a standard (for example, a PDCCH or an EPDCCH in the Nth or last downlink subframe according to the read C-PDCCH).
  • the downlink control information is sent, where N is a positive integer).
  • the present disclosure also provides a mobile communication terminal 10.
  • the mobile communication terminal 10 includes a processor 11, a memory 12, a network interface 13, and a data bus 14.
  • the data bus 14 is used to connect the processor 11, the memory 12 and the network interface 13, and the memory 12 is used to store program codes.
  • the processor 11 is configured to invoke the program code stored in the memory 12 to perform the following operations: after the mobile communication terminal 10 performs the first listening and the LBT is successful, the corresponding maximum channel occupation time MCOT is determined according to the parameters of the LBT; The autonomously scheduled uplink transmission is performed in the MCOT, and the autonomously scheduled uplink transmission carries the uplink control information, where the uplink control information is used to instruct the network side device to perform the autonomous scheduling uplink transmission of the mobile communication terminal and to indicate that the network side device is executing. After the autonomous scheduling uplink transmission is completed, downlink transmission is performed in the MCOT.
  • the uplink control information includes: first interval configuration information that indicates an interval between the network side device performing the autonomous scheduling uplink transmission completion and the downlink transmission in the MCOT.
  • the first interval configuration information includes at least one of (i) and (ii): (i) a time-frequency location indicating that the network side device starts downlink transmission in the MCOT; and (ii) Indicates that puncturing is performed at the last symbol of the last subframe of the autonomously scheduled uplink transmission.
  • the time-frequency location indicating that the network side device starts downlink transmission in the MCOT includes a starting subframe position indicating a downlink transmission.
  • the indicating a starting subframe position of the downlink transmission includes indicating that the downlink transmission starts in a second slot of the downlink transmission subframe.
  • the uplink control information includes a cell radio network temporary identifier C-RNTI, a size of the MCOT, a length of autonomously scheduled uplink transmission, a starting subframe position, and a second interval between adjacent subframes. At least one of the configuration information, the second interval configuration information including the first interval configuration information.
  • the processor 11 is configured to control, according to the cell-level timing advance cell-specific TA and the MCOT carried in the system broadcast message of the network side device, to control an advance time for starting the autonomous uplink transmission.
  • the content that the network side device performs downlink transmission in the MCOT includes at least one of downlink control information and downlink data.
  • the downlink control information is used to instruct the mobile communication terminal 10 to perform at least one of (i) triggering an uplink transmission and (ii) scheduling an uplink transmission within the MCOT.
  • the processor 11 is further configured to obtain downlink control information that is sent by the network side device based on the autonomously scheduled uplink transmission feedback.
  • the downlink control information is further used to feed back a transmission confirmation character corresponding to the hybrid automatic repeat request (HARQ) process of the physical uplink shared channel PUSCH transmission in each subframe; or the downlink control information is further used to: Transmitting, on the preset number of subframes before the current subframe, all transmission acknowledgement characters corresponding to the hybrid automatic repeat request HARQ process of the physical uplink shared channel PUSCH transmission to be fed back.
  • HARQ hybrid automatic repeat request
  • the uplink control information is further used to indicate at least one of a type of the LBT and a channel access priority corresponding to the downlink transmission by the network side device in the MCOT.
  • the mobile communication terminal determines the corresponding maximum channel occupation time MCOT according to the LBT parameter; performs autonomous scheduling uplink transmission in the MCOT, and the autonomous scheduling uplink transmission carries
  • the uplink control information is used to indicate that the network side device performs the autonomous scheduling uplink transmission of the mobile communication terminal, and indicates that the network side device performs downlink transmission in the MCOT after performing the autonomous scheduled uplink transmission.
  • the downlink transmission of the network side device can be performed in the remaining time, thereby realizing the sharing of the channel resources in the MCOT and improving the utilization of the channel resources. rate.
  • the present disclosure also provides a network side device 20.
  • the network side device 20 includes a processor 21, a memory 22, a network interface 23, and a data bus 24.
  • the data bus 24 is used to connect the processor 21, the memory 22 and the network interface 23, and the memory 22 is used to store program codes.
  • the processor 21 is configured to invoke the program code stored by the memory 22 to perform an operation of performing autonomous scheduling uplink transmission initiated by the mobile communication terminal to perform the first listening after the LBT is successfully performed, and the MCOT is initiated within the maximum channel occupation duration MCOT.
  • the autonomously scheduled uplink transmission carries uplink control information according to the channel occupation duration determined according to the parameter of the LBT; and according to the indication of the uplink control information, after performing the autonomous scheduling uplink transmission, in the MCOT Downstream transmission is performed within.
  • the uplink control information includes first interval configuration information used to indicate an interval between the autonomous scheduling of the uplink transmission and the downlink transmission performed by the network side device 20 in the MCOT.
  • the first interval configuration information includes at least one of (i) and (ii): (i) a time-frequency location indicating that the network side device 20 starts downlink transmission in the MCOT; and (ii) indicating that the puncturing is performed at the last symbol of the last subframe of the autonomously scheduled uplink transmission.
  • the time-frequency location indicating that the network side device starts downlink transmission in the MCOT includes a starting subframe position indicating a downlink transmission.
  • the indicating a starting subframe position of the downlink transmission includes indicating that the downlink transmission starts in a second slot of the downlink transmission subframe.
  • the uplink control information includes a cell radio network temporary identifier C-RNTI, a size of the MCOT, a length of autonomously scheduled uplink transmission, a starting subframe position, and a second interval between adjacent subframes. At least one of the configuration information, the second interval configuration information including the first interval configuration information.
  • the content that the network side device performs downlink transmission in the MCOT includes at least one of downlink control information and downlink data.
  • the downlink control information is used to instruct the mobile communication terminal to perform at least one of (i) triggering an uplink transmission and (ii) scheduling an uplink transmission within the MCOT.
  • the downlink control information is further used to feed back a transmission confirmation character corresponding to the hybrid automatic repeat request (HARQ) process of the physical uplink shared channel PUSCH transmission in each subframe; or the downlink control information is further used to: Transmitting, on the preset number of subframes before the current subframe, all transmission acknowledgement characters corresponding to the hybrid automatic repeat request HARQ process of the physical uplink shared channel PUSCH transmission to be fed back.
  • HARQ hybrid automatic repeat request
  • the uplink control information is further used to indicate at least one of a type of the LBT and a channel access priority corresponding to the downlink transmission by the network side device in the MCOT.
  • the network side device performs autonomous scheduling uplink transmission initiated in the maximum channel occupation duration MCOT after the mobile communication terminal performs the first listening and the LBT success, and the MCOT is the channel determined according to the parameter of the LBT.
  • the autonomously scheduled uplink transmission carries uplink control information; and, according to the indication of the uplink control information, after performing the autonomously scheduled uplink transmission, performing downlink transmission in the MCOT.
  • the downlink transmission of the network side device can be performed in the remaining time, thereby realizing the sharing of the channel resources in the MCOT and improving the utilization of the channel resources. rate.
  • an embodiment of the present disclosure also provides a mobile communication terminal 30.
  • the mobile communication terminal 30 includes: a determining module 31, configured to determine, according to parameters of the LBT, a corresponding maximum channel occupation duration MCOT after the mobile communication terminal 30 performs the first listening and after the LBT is successful; and the transmission module 32 is configured to be in the MCOT.
  • the autonomously scheduled uplink transmission carries the uplink control information, and the uplink control information is used to indicate that the network side device performs the autonomous scheduling uplink transmission of the mobile communication terminal and indicates that the network side device performs the autonomous scheduling. After the uplink transmission is completed, downlink transmission is performed in the MCOT.
  • the uplink control information includes first interval configuration information that indicates an interval between the autonomous scheduling of the uplink transmission and the downlink transmission performed by the network side device in the MCOT.
  • the first interval configuration information includes at least one of (i) and (ii): (i) a time-frequency location indicating that the network side device starts downlink transmission in the MCOT; and (ii) Indicates that puncturing is performed at the last symbol of the last subframe of the autonomously scheduled uplink transmission.
  • the time-frequency location indicating that the network side device starts downlink transmission in the MCOT includes a starting subframe position indicating a downlink transmission.
  • the indicating a starting subframe position of the downlink transmission includes indicating that the downlink transmission starts in a second slot of the downlink transmission subframe.
  • the uplink control information includes a cell radio network temporary identifier C-RNTI, a size of the MCOT, a length of autonomously scheduled uplink transmission, a starting subframe position, and a second interval between adjacent subframes. At least one of the configuration information, the second interval configuration information including the first interval configuration information.
  • the mobile communication terminal 30 further includes: a control module 33, configured to control, according to a cell-level timing advance cell-specific TA and the MCOT carried in a system broadcast message of the network side device, to start autonomously scheduling uplink transmission Advance time.
  • a control module 33 configured to control, according to a cell-level timing advance cell-specific TA and the MCOT carried in a system broadcast message of the network side device, to start autonomously scheduling uplink transmission Advance time.
  • the content that the network side device performs downlink transmission in the MCOT includes at least one of downlink control information and downlink data.
  • the downlink control information is used to instruct the mobile communication terminal 30 to perform at least one of (i) triggering an uplink transmission and (ii) scheduling an uplink transmission within the MCOT.
  • the mobile communication terminal 30 further includes: an obtaining module 34, configured to acquire downlink control information that is sent by the network side device according to the autonomously scheduled uplink transmission feedback.
  • the downlink control information is further used to feed back a transmission confirmation character corresponding to the hybrid automatic repeat request (HARQ) process of the physical uplink shared channel PUSCH transmission in each subframe; or the downlink control information is further used to: Transmitting, on the preset number of subframes before the current subframe, all transmission acknowledgement characters corresponding to the hybrid automatic repeat request HARQ process of the physical uplink shared channel PUSCH transmission to be fed back.
  • HARQ hybrid automatic repeat request
  • the uplink control information is further used to indicate at least one of a type of the LBT and a channel access priority corresponding to the downlink transmission by the network side device in the MCOT.
  • the mobile communication terminal determines the corresponding maximum channel occupation time MCOT according to the LBT parameter; performs autonomous scheduling uplink transmission in the MCOT, and the autonomous scheduling uplink transmission carries
  • the uplink control information is used to indicate that the network side device performs the autonomous scheduling uplink transmission of the mobile communication terminal, and indicates that the network side device performs downlink transmission in the MCOT after performing the autonomous scheduled uplink transmission.
  • the downlink transmission of the network side device can be performed in the remaining time, thereby realizing the sharing of the channel resources in the MCOT and improving the utilization of the channel resources. rate.
  • an embodiment of the present disclosure further provides a network side device 40.
  • the network side device 40 includes: an execution module 41, configured to perform autonomous scheduled uplink transmission initiated by the mobile communication terminal after the first listening to the LBT succeeding, and the MCOT is determined according to the parameter of the LBT.
  • the autonomous scheduling uplink transmission carries the uplink control information; and the initiating module 42 is configured to perform, in the MCOT, after performing the autonomous scheduling uplink transmission according to the indication of the uplink control information Downlink transmission.
  • the uplink control information includes first interval configuration information used to indicate an interval between the autonomous scheduling of the uplink transmission and the downlink transmission performed by the network side device 40 in the MCOT.
  • the first interval configuration information includes at least one of (i) and (ii): (i) a time-frequency location indicating that the network-side device 40 starts downlink transmission in the MCOT; and (ii) indicating that the puncturing is performed at the last symbol of the last subframe of the autonomously scheduled uplink transmission.
  • the time-frequency location indicating that the network side device starts downlink transmission in the MCOT includes a starting subframe position indicating a downlink transmission.
  • the indicating a starting subframe position of the downlink transmission includes indicating that the downlink transmission starts in a second slot of the downlink transmission subframe.
  • the uplink control information includes a cell radio network temporary identifier C-RNTI, a size of the MCOT, a length of autonomously scheduled uplink transmission, a starting subframe position, and a second interval between adjacent subframes. At least one of the configuration information, the second interval configuration information including the first interval configuration information.
  • the content that the network side device performs downlink transmission in the MCOT includes at least one of downlink control information and downlink data.
  • the downlink control information is used to instruct the mobile communication terminal to perform at least one of (i) triggering an uplink transmission and (ii) scheduling an uplink transmission within the MCOT.
  • the downlink control information is further used to feed back a transmission confirmation character corresponding to the hybrid automatic repeat request (HARQ) process of the physical uplink shared channel PUSCH transmission in each subframe; or the downlink control information is further used to: Transmitting, on the preset number of subframes before the current subframe, all transmission acknowledgement characters corresponding to the hybrid automatic repeat request HARQ process of the physical uplink shared channel PUSCH transmission to be fed back.
  • HARQ hybrid automatic repeat request
  • the uplink control information is further used to indicate at least one of a type of the LBT and a channel access priority corresponding to the downlink transmission by the network side device in the MCOT.
  • the network side device performs autonomous scheduling uplink transmission initiated in the maximum channel occupation duration MCOT after the mobile communication terminal performs the first listening and the LBT success, and the MCOT is the channel determined according to the parameter of the LBT.
  • the autonomously scheduled uplink transmission carries uplink control information; and, according to the indication of the uplink control information, after performing the autonomously scheduled uplink transmission, performing downlink transmission in the MCOT.
  • the downlink transmission of the network side device can be performed in the remaining time, thereby realizing the sharing of the channel resources in the MCOT and improving the utilization of the channel resources. rate.
  • the disclosed apparatus and method may be implemented in other manners.
  • the device embodiments described above are merely illustrative.
  • the division of the unit is only a logical function division.
  • there may be another division manner for example, multiple units or components may be combined or may be Integrate into another system, or some features can be ignored or not executed.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in an electrical, mechanical or other form.
  • the units described as separate components may be physically separate or may not be physically separate.
  • the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the objectives of the embodiments of the present disclosure.
  • each functional unit in various embodiments of the present disclosure may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the functions may be stored in a computer readable storage medium if implemented in the form of a software functional unit and sold or used as a standalone product. Based on such an understanding, a portion of the technical solution of the present disclosure that contributes in essence or to the related art or a part of the technical solution can be embodied in the form of a software product.
  • the computer software product is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of the methods described in various embodiments of the present disclosure.
  • the foregoing storage medium includes various media that can store program codes, such as a USB flash drive, a mobile hard disk, a ROM, a RAM, a magnetic disk, or an optical disk.
  • the present disclosure provides an A1 channel resource sharing processing method, which is applied to a mobile communication terminal, and includes: after the mobile communication terminal performs the first listening and then sends the LBT successfully, determining the corresponding maximum channel occupation time MCOT according to the LBT parameter; Performing autonomous scheduling uplink transmission in the MCOT, where the autonomous scheduling uplink transmission carries uplink control information, where the uplink control information is used to instruct the network side device to perform the autonomous scheduling uplink transmission of the mobile communication terminal and instruct the network side device to perform After the autonomous scheduling uplink transmission is completed, downlink transmission is performed in the MCOT.
  • instructing the network side device to perform downlink transmission in the MCOT after performing the autonomously scheduled uplink transmission comprises: instructing the network side device to perform autonomous scheduling in the MCOT The first interval configuration information of the uplink transmission completion and the downlink transmission interval.
  • time domain location indicating that the network side device performs downlink transmission in the MCOT comprises: indicating a starting subframe position of the downlink transmission.
  • a method wherein the indicating a starting subframe position of the downlink transmission comprises: indicating that the second slot of the downlink transmission subframe starts downlink transmission.
  • the uplink control information comprises a cell radio network temporary identifier C-RNTI, a size of the MCOT, a length of autonomously scheduled uplink transmission, and a starting subframe position and phase. And at least one of the second interval configuration information between the adjacent subframes, where the second interval configuration information includes the first interval configuration information.
  • A7 The method according to A1, wherein the performing the autonomous scheduling uplink transmission in the MCOT comprises: a cell-level timing advance amount cell-specific TA and a location carried in a system broadcast message of the network side device
  • the MCOT controls the advance time of the autonomously scheduled uplink transmission.
  • A8 The method according to A1, wherein the content that the network side device performs downlink transmission in the MCOT includes: downlink control information and/or downlink data.
  • A9 The method according to A8, wherein the downlink control information is used to indicate that the mobile communication terminal triggers an uplink transmission and/or schedules an uplink transmission in the MCOT.
  • the method further includes: acquiring downlink control information that is sent by the network side device based on the autonomously scheduled uplink transmission feedback. .
  • A11 The method according to A10, wherein the downlink control information is further used to feed back a transmission confirmation character corresponding to a hybrid automatic repeat request HARQ process of a physical uplink shared channel (PUSCH) transmission on each subframe; or The downlink control information is further used to transmit a transmission acknowledgement character of all the hybrid automatic repeat request HARQ processes to be fed back on the physical uplink shared channel PUSCH on the preset number of subframes before the current subframe.
  • PUSCH physical uplink shared channel
  • A12 The method according to A1, wherein the uplink control information is further used to indicate a type of LBT and/or a channel access priority corresponding to the downlink transmission in the MCOT by the network side device.
  • the embodiment of the present disclosure further provides a B13, a channel resource sharing processing method, which is applied to a network side device, and is characterized in that: after the mobile communication terminal performs the first listening and the LBT is successfully sent, it is initiated in the maximum channel occupation time MCOT.
  • Autonomously scheduling uplink transmission the MCOT is a channel occupation duration determined according to the parameter of the LBT, and the autonomous scheduling uplink transmission carries uplink control information; and performing the autonomous scheduling uplink according to the indication of the uplink control information After the transmission is completed, downlink transmission is performed within the MCOT.
  • the uplink control information is used to indicate that the network side device performs the first interval configuration information of the autonomous scheduling uplink transmission completion and the downlink transmission interval time in the MCOT.
  • the first interval configuration information includes: a time-frequency location indicating that the network side device performs downlink transmission in the MCOT; and/or indicating autonomous scheduling uplink transmission.
  • the last symbol of the last sub-frame is punctured.
  • time domain location indicating that the network side device performs downlink transmission in the MCOT comprises: indicating a starting subframe position of the downlink transmission.
  • the method of B16, wherein the indicating a starting subframe position of the downlink transmission comprises: indicating that the second slot of the downlink transmission subframe starts downlink transmission.
  • the uplink control information includes a cell radio network temporary identifier C-RNTI, a size of the MCOT, a length of autonomously scheduled uplink transmission, and a start subframe position and phase. And at least one of the second interval configuration information between the adjacent subframes, where the second interval configuration information includes the first interval configuration information.
  • the method of B19 wherein the downlink control information is further used to feed back a transmission confirmation character corresponding to a hybrid automatic repeat request HARQ process of a physical uplink shared channel PUSCH transmission on each subframe; or The downlink control information is further used to feed back the transmission confirmation characters of all the HARQ processes to be fed back in the preset number of subframes before the current subframe.
  • the uplink control information is further used to indicate a type and/or a channel access priority of the LBT corresponding to the downlink transmission in the MCOT by the network side device.
  • the embodiment of the present disclosure further provides a C23, a mobile communication terminal, comprising: a processor, a memory, a network interface, and a data bus, wherein the data bus is used to connect the processor, the memory, and the network interface.
  • the memory is used to store program code, and the program code used by the processor to invoke the memory to perform the following operations: after the mobile communication terminal performs the first listening and then sends the LBT successfully, determining the corresponding maximum channel occupation according to the parameters of the LBT.
  • a duration MCOT performing autonomous scheduling uplink transmission in the MCOT, where the autonomous scheduling uplink transmission carries uplink control information, where the uplink control information is used to instruct the network side device to perform the autonomous scheduling uplink transmission of the mobile communication terminal and the indication After the network side device performs the autonomous scheduling uplink transmission, the downlink transmission is performed in the MCOT.
  • instructing the network side device to perform downlink transmission in the MCOT after performing the autonomously scheduled uplink transmission comprises: instructing the network side device to execute in the MCOT Autonomously scheduling uplink transmission and performing first interval configuration information of a downlink transmission interval.
  • the first interval configuration information comprises: a time-frequency location indicating that the network-side device performs downlink transmission in the MCOT; and/or indicating autonomous scheduling The last symbol of the last subframe of the upstream transmission is punctured.
  • the mobile communication terminal according to C24, wherein the time domain location indicating that the network side device performs downlink transmission in the MCOT comprises: indicating a starting subframe position of the downlink transmission.
  • the mobile communication terminal wherein the starting subframe position indicating the downlink transmission comprises: indicating that the second slot of the downlink transmission subframe starts downlink transmission.
  • the uplink control information includes a cell radio network temporary identifier C-RNTI, a size of the MCOT, a length of autonomously scheduled uplink transmission, and a start subframe position. And at least one of the second interval configuration information between the adjacent subframes, where the second interval configuration information includes the first interval configuration information.
  • the mobile communication terminal wherein the processor is specifically configured to: control, based on a cell-level timing advance cell-specific TA and the MCOT carried in a system broadcast message of the network side device, Start the autonomous time to schedule the uplink transmission.
  • the mobile communication terminal according to C23 wherein the content that the network side device performs downlink transmission in the MCOT includes: downlink control information and/or downlink data.
  • the mobile communication terminal according to C30 wherein the downlink control information is used to indicate that the mobile communication terminal triggers uplink transmission and/or schedules uplink transmission in the MCOT.
  • the mobile communication terminal according to C23, wherein the processor is further configured to acquire downlink control information that is sent by the network side device based on the autonomously scheduled uplink transmission feedback.
  • the mobile communication terminal wherein the downlink control information is further used to feed back a transmission confirmation character corresponding to the hybrid automatic repeat request HARQ process of the physical uplink shared channel PUSCH transmission on each subframe; or The downlink control information is further used to transmit, for all the preset number of subframes before the current subframe, the transmission acknowledgement characters of the hybrid automatic repeat request HARQ process to be fed back on the physical uplink shared channel PUSCH.
  • the mobile communication terminal according to C23 wherein the uplink control information is further used to indicate a type and/or a channel access priority of the LBT corresponding to the downlink transmission in the MCOT by the network side device. .
  • the embodiment of the present disclosure further provides a D35, network side device, including: a processor, a memory, a network interface, and a data bus, wherein the data bus is used to connect the processor, the memory, and the network interface.
  • the memory is used to store the program code, and the program code used by the processor to invoke the memory performs the following operations: performing the autonomous operation initiated by the mobile communication terminal after the first listening to the LBT is successful, and the maximum channel occupation time MCOT is initiated.
  • the uplink transmission is scheduled, the MCOT is a channel occupation time length determined according to the parameter of the LBT, and the autonomously scheduled uplink transmission carries uplink control information; and according to the indication of the uplink control information, performing the autonomous scheduling uplink transmission is completed. After that, downlink transmission is performed within the MCOT.
  • D36 The network side device according to D35, wherein the uplink control information is used to indicate that the network side device performs autonomous scheduling uplink transmission completion and performs a first interval configuration of a downlink transmission interval in the MCOT. information.
  • the network side device according to D36, wherein the first interval configuration information includes: a time-frequency location indicating that the network side device performs downlink transmission in the MCOT; and/or, indicating autonomous scheduling The last symbol of the last subframe of the upstream transmission is punctured.
  • the network side device according to D37, wherein the time domain location indicating that the network side device performs downlink transmission in the MCOT comprises: a starting subframe position indicating a downlink transmission.
  • the network side device wherein the starting subframe position indicating the downlink transmission comprises: indicating that the second slot of the downlink transmission subframe starts downlink transmission.
  • the uplink control information includes a cell radio network temporary identifier C-RNTI, a size of the MCOT, a length of autonomously scheduled uplink transmission, and a starting subframe position. And at least one of the second interval configuration information between the adjacent subframes, where the second interval configuration information includes the first interval configuration information.
  • D42 The network side device according to D41, wherein the downlink control information is used to indicate that the mobile communication terminal triggers uplink transmission and/or schedules uplink transmission in the MCOT.
  • D43 The network side device according to D41, wherein the downlink control information is further used to feed back a transmission confirmation character corresponding to a hybrid automatic repeat request HARQ process of a physical uplink shared channel PUSCH transmission on each subframe; or The downlink control information is further used to transmit, for all the preset number of subframes before the current subframe, the transmission acknowledgement characters of the hybrid automatic repeat request HARQ process to be fed back on the physical uplink shared channel PUSCH.
  • the network side device wherein the uplink control information is further used to indicate a type and/or a channel access priority of the LBT corresponding to the downlink transmission in the MCOT by the network side device. .

Landscapes

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

Abstract

L'invention concerne un procédé de partage de ressource de canal, un terminal de communication mobile, et un équipement de réseau. Le procédé comprend les étapes consistant à : déterminer, d'après un paramètre LBT, un temps d'occupation de canal maximal (MCOT) correspondant, sur un terminal de communication mobile exécutant une procédure « écouter avant de parler » (LBT) réussie ; et exécuter, dans le MCOT, une transmission de liaison montante autonome contenant des informations de commande de liaison montante qui sont utilisées pour commander à un équipement de réseau d'exécuter la transmission de liaison montante autonome du terminal de communication mobile et d'exécuter une transmission de liaison descendante dans le MCOT une fois que la transmission de liaison montante autonome est accomplie.
PCT/CN2018/073711 2017-01-26 2018-01-23 Procédé de partage de ressource de canal, terminal de communication mobile, et équipement de réseau Ceased WO2018137590A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201710057492.1 2017-01-26
CN201710057492.1A CN108366431B (zh) 2017-01-26 2017-01-26 一种信道资源共享处理方法、移动通信终端和网络侧设备

Publications (1)

Publication Number Publication Date
WO2018137590A1 true WO2018137590A1 (fr) 2018-08-02

Family

ID=62979026

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2018/073711 Ceased WO2018137590A1 (fr) 2017-01-26 2018-01-23 Procédé de partage de ressource de canal, terminal de communication mobile, et équipement de réseau

Country Status (2)

Country Link
CN (1) CN108366431B (fr)
WO (1) WO2018137590A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113455092A (zh) * 2019-02-15 2021-09-28 苹果公司 用于在未许可频谱中进行信道占用时间（cot）共享的系统和方法

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116506087A (zh) 2018-01-19 2023-07-28 华为技术有限公司 用于管理非授权频段的信道占用时长的方法和设备
MX2021001873A (es) 2018-08-17 2021-04-19 Guangdong Oppo Mobile Telecommunications Corp Ltd Metodo de transmision de se?al, dispositivo terminal y dispositivo de red.
GB2577506A (en) * 2018-09-26 2020-04-01 Tcl Communication Ltd Transmission medium sharing in a wireless communications network
CN113261379B (zh) * 2019-01-10 2022-09-16 华为技术有限公司 数据传输的方法及装置
CN111107637B (zh) * 2019-03-25 2022-04-01 维沃移动通信有限公司 共享信道占用时间的方法和设备
CN111193582B (zh) * 2019-03-27 2022-08-23 维沃移动通信有限公司 上行传输方法和终端
CN110312311B (zh) * 2019-03-29 2023-01-17 北京紫光展锐通信技术有限公司 信道配置方法及装置
US11606811B2 (en) * 2019-08-26 2023-03-14 Qualcomm Incorporated Techniques for determining resources for communicating over an acquired channel
CN112566249B (zh) 2019-09-25 2022-12-13 维沃移动通信有限公司 一种信息指示方法、设备及系统
EP4021135A4 (fr) 2019-11-04 2022-08-10 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Procédé d'utilisation d'un temps d'occupation de canal partagé de catégorie 1 à écoute avant de transmettre et appareil associé
WO2023115271A1 (fr) * 2021-12-20 2023-06-29 北京小米移动软件有限公司 Procédés et appareils d'indication et de détermination de transmission de liaison montante, appareil de communication et support de stockage

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015174437A1 (fr) * 2014-05-15 2015-11-19 株式会社Ｎｔｔドコモ Station de base sans fil, terminal utilisateur et système de communication sans fil
CN105578573A (zh) * 2015-05-28 2016-05-11 宇龙计算机通信科技(深圳)有限公司 一种非授权频段信道占用时间的配置方法及装置
CN106341902A (zh) * 2015-07-07 2017-01-18 北京三星通信技术研究有限公司 一种竞争信道资源的方法和设备

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3742656A1 (fr) * 2010-12-06 2020-11-25 Interdigital Patent Holdings, Inc. Procédé permettant un fonctionnement sans fil dans un spectre exempt de licence

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015174437A1 (fr) * 2014-05-15 2015-11-19 株式会社Ｎｔｔドコモ Station de base sans fil, terminal utilisateur et système de communication sans fil
CN105578573A (zh) * 2015-05-28 2016-05-11 宇龙计算机通信科技(深圳)有限公司 一种非授权频段信道占用时间的配置方法及装置
CN106341902A (zh) * 2015-07-07 2017-01-18 北京三星通信技术研究有限公司 一种竞争信道资源的方法和设备

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113455092A (zh) * 2019-02-15 2021-09-28 苹果公司 用于在未许可频谱中进行信道占用时间（cot）共享的系统和方法
US12089253B2 (en) 2019-02-15 2024-09-10 Apple Inc. System and method for channel occupancy time (COT) sharing in an unlicensed spectrum

Also Published As

Publication number Publication date
CN108366431B (zh) 2020-08-28
CN108366431A (zh) 2018-08-03

Similar Documents

Publication Publication Date Title
WO2018137590A1 (fr) Procédé de partage de ressource de canal, terminal de communication mobile, et équipement de réseau
EP3567770B1 (fr) Procédé de transmission de données, dispositif de terminal et dispositif de réseau
CN112369102B (zh) 用于处理定时器操作的方法和无线通信系统
CN105873229B (zh) 处理随机接入程序的通信装置及无线通信系统
JP6892912B2 (ja) アップリンクスケジュール指定の２段階シグナリング
CN107548159B (zh) 处理上行链路传输的装置及方法
WO2019157911A1 (fr) Procédé de gestion de faisceau, terminal, dispositif de réseau et support de stockage
CN113574952B (zh) 无线通信的方法、终端设备和网络设备
US20210176017A1 (en) HARQ Feedback Method And Apparatus
WO2017201654A1 (fr) Procédé de transmission de données, dispositif de réseau et dispositif de terminal
US11882566B2 (en) Communications method and apparatus
CN111385070B (zh) 一种harq进程冲突的处理方法和终端
CN114070478B (zh) 一种信息传输方法、终端及网络侧设备
WO2021026924A1 (fr) Procédé de transmission de données et appareil associé, et système de communication
CN108365912A (zh) 传输模式切换方法及装置
CN110679191B (zh) 传输信息的方法和终端设备
CN108696340A (zh) 反馈信息的发送、接收方法及装置
CN108289333B (zh) 一种上行传输起始位置的配置方法、接入网实体及ue
WO2018141281A1 (fr) Procédé et dispositif de transmission de données
CN117616801A (zh) 一种控制方法、设备及存储介质
CN107484258B (zh) 处理与基站的通信的装置及方法
WO2017084095A1 (fr) Procédé de communication de données, terminal et station de base
CN114900481B (zh) 一种分裂资源的处理方法及处理装置
WO2020221248A1 (fr) Procédé de transmission en liaison montante et appareil de communication
WO2019196747A1 (fr) Procédé de transmission de données, terminal, et dispositif de réseau

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: 18744731

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

32PN Ep: public notification in the ep bulletin as address of the adressee cannot be established

Free format text: NOTING OF LOSS OF RIGHTS PURSUANT TO RULE 112(1) EPC (EPO FORM 1205A DATED 06/12/2019)

122 Ep: pct application non-entry in european phase

Ref document number: 18744731

Country of ref document: EP

Kind code of ref document: A1