WO2022242557A1 - Dispositif et procédé de surveillance d'un canal de commande - Google Patents

Dispositif et procédé de surveillance d'un canal de commande Download PDF

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Publication number
WO2022242557A1
WO2022242557A1 PCT/CN2022/092658 CN2022092658W WO2022242557A1 WO 2022242557 A1 WO2022242557 A1 WO 2022242557A1 CN 2022092658 W CN2022092658 W CN 2022092658W WO 2022242557 A1 WO2022242557 A1 WO 2022242557A1
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control channel
scheduling
scs
channel resource
cell
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PCT/CN2022/092658
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English (en)
Chinese (zh)
Inventor
李�根
纪子超
刘思綦
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维沃移动通信有限公司
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Publication of WO2022242557A1 publication Critical patent/WO2022242557A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/22—Processing or transfer of terminal data, e.g. status or physical capabilities

Definitions

  • the present application belongs to the technical field of communication, and in particular relates to a control channel monitoring method and equipment.
  • the fifth generation (5th Generation , 5G) communication system supports the configuration of one or more cells (or carriers) for the terminal. If the channel quality of some cells is not good enough or the probability of channel blocking is high, the network side device can configure the terminal for the terminal.
  • Cross-carrier scheduling is to configure control channels in other cells with better channel quality (for example, primary cell, PCell) to schedule data of other cells (for example, secondary cell, SCell) across carriers.
  • the scheduling cell may be in a self-scheduling mode, in which case the cell only schedules itself. If the scheduling cell is configured with cross-carrier scheduling, it can also schedule one or more scheduled cells other than itself. The scheduled cell does not have its own control channel and can only be scheduled by one dispatching cell.
  • a cell can only be scheduled by one scheduling cell (that is, it can only be self-scheduled or scheduled by another cell), and the primary cell can only be scheduled by the primary cell itself.
  • the limited control channel resources of the scheduling cell it is easy to cause scheduling congestion on the scheduling cell.
  • Embodiments of the present application provide a method and device for monitoring a control channel, which can solve the problem that the control channel resources of a scheduling cell are limited and easily cause scheduling congestion.
  • a method for monitoring a control channel including: a terminal determines a monitoring capability of a control channel; wherein, the control channel is used to schedule a first cell, and the first cell can be scheduled by at least two scheduling cells; At least one of the following related to the control channel is determined according to the monitoring capability: processing time; scheduling restriction; scheduling time indication definition.
  • a method for monitoring a control channel including: a network side device determines a terminal's ability to monitor a control channel; wherein, the control channel is used to schedule a first cell, and the first cell can be controlled by at least two Scheduling cell scheduling; determining at least one of the following related to the control channel according to the monitoring capability: processing time; scheduling restriction; scheduling time indication definition.
  • an apparatus for monitoring a control channel including: a first determination module configured to determine the monitoring capability of the control channel; wherein the control channel is used to schedule a first cell, and the first cell can be controlled by at least Scheduling by two scheduling cells; a second determination module, configured to determine at least one of the following related to the control channel according to the monitoring capability: processing time; scheduling restriction; scheduling time indication definition.
  • an apparatus for monitoring a control channel including: a first determining module, configured to determine a terminal's ability to monitor a control channel; wherein, the control channel is used to schedule a first cell, and the first cell can Scheduling by at least two scheduling cells; a second determining module, configured to determine at least one of the following related to the control channel according to the monitoring capability: processing time; scheduling restriction; scheduling time indication definition.
  • a terminal includes a processor, a memory, and a program or instruction stored in the memory and operable on the processor.
  • the program or instruction is executed by the processor Implement the method as described in the first aspect.
  • a terminal including a processor and a communication interface, wherein the processor is used to determine the monitoring capability of a control channel; wherein the control channel is used to schedule a first cell, and the first cell can Scheduling by at least two scheduling cells; determining at least one of the following related to the control channel according to the monitoring capability: processing time; scheduling restriction; scheduling time indication definition.
  • a network-side device includes a processor, a memory, and a program or instruction stored in the memory and operable on the processor, and the program or instruction is executed by the The processor realizes the method described in the second aspect when executing.
  • a network side device including a processor and a communication interface, wherein the processor is used to determine a terminal's ability to monitor a control channel; wherein the control channel is used to schedule a first cell, and the The first cell can be scheduled by at least two scheduling cells; at least one of the following related to the control channel is determined according to the monitoring capability: processing time; scheduling restriction; scheduling time indication definition.
  • a ninth aspect provides a readable storage medium, on which a program or an instruction is stored, and when the program or instruction is executed by a processor, the method as described in the first aspect is implemented, or the method as described in the second aspect is implemented. method described in the aspect.
  • a chip in a tenth aspect, includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is used to run programs or instructions to implement the method as described in the first aspect , or implement the method described in the second aspect.
  • a computer program/program product is provided, the computer program/program product is stored in a non-transitory storage medium, and the program/program product is executed by at least one processor to implement the first The method described in the first aspect, or implement the method described in the second aspect.
  • the first cell can be scheduled by at least two scheduling cells. Since the number of scheduling cells is not limited to one, it is convenient to solve the problem that the control channel resources of the scheduling cell are limited and easily cause scheduling congestion, and improve scheduling efficiency.
  • the terminal can also determine the processing time related to the control channel, the scheduling limit and the definition of the scheduling time indication according to the determined monitoring capability, which is beneficial to reduce the complexity of terminal implementation.
  • FIG. 1 is a schematic diagram of a wireless communication system according to an embodiment of the present application.
  • FIG. 2 is a schematic flowchart of a control channel monitoring method according to an embodiment of the present application
  • FIG. 3 is a schematic diagram of control channel resource limitation in a control channel monitoring method according to an embodiment of the present application
  • Fig. 4 is a schematic diagram of control channel resource limitation in the control channel monitoring method according to an embodiment of the present application.
  • FIG. 5 is a schematic flowchart of a control channel monitoring method according to an embodiment of the present application.
  • FIG. 6 is a schematic structural diagram of a control channel monitoring device according to an embodiment of the present application.
  • FIG. 7 is a schematic structural diagram of a control channel monitoring device according to an embodiment of the present application.
  • FIG. 8 is a schematic structural diagram of a communication device according to an embodiment of the present application.
  • FIG. 9 is a schematic structural diagram of a terminal according to an embodiment of the present application.
  • Fig. 10 is a schematic structural diagram of a network side device according to an embodiment of the present application.
  • first, second and the like in the specification and claims of the present application are used to distinguish similar objects, and are not used to describe a specific sequence or sequence. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application are capable of operation in sequences other than those illustrated or described herein and that "first" and “second” distinguish objects. It is usually one category, and the number of objects is not limited. For example, there may be one or more first objects.
  • “and/or” in the description and claims means at least one of the connected objects, and the character “/” generally means that the related objects are an "or” relationship.
  • LTE Long Term Evolution
  • LTE-Advanced LTE-Advanced
  • LTE-A Long Term Evolution-Advanced
  • CDMA Code Division Multiple Access
  • TDMA Time Division Multiple Access
  • FDMA Frequency Division Multiple Access
  • OFDMA Orthogonal Frequency Division Multiple Access
  • SC-FDMA Single-carrier Frequency-Division Multiple Access
  • SC-FDMA Single-carrier Frequency-Division Multiple Access
  • system and “network” in the embodiments of the present application are often used interchangeably, and the described technologies can be used for the above-mentioned systems and radio technologies as well as other systems and radio technologies.
  • the following description describes the New Radio (New Radio, NR) system for illustrative purposes, and uses NR terminology in most of the following descriptions. These technologies can also be applied to applications other than NR system applications, such as the 6th generation (6 th Generation, 6G) communication system.
  • 6G 6th Generation
  • Fig. 1 shows a schematic diagram of a wireless communication system to which this embodiment of the present application is applicable.
  • the wireless communication system includes a terminal 11 and a network side device 12 .
  • the terminal 11 can also be called a terminal device or a user terminal (User Equipment, UE), and the terminal 11 can be a mobile phone, a tablet computer (Tablet Computer), a laptop computer (Laptop Computer) or a notebook computer, a personal digital assistant (Personal Digital Assistant, PDA), handheld computer, netbook, ultra-mobile personal computer (ultra-mobile personal computer, UMPC), mobile Internet device (Mobile Internet Device, MID), wearable device (Wearable Device) or vehicle-mounted device ( VUE), Pedestrian Terminal (PUE) and other terminal-side devices, wearable devices include: smart watches, bracelets, earphones, glasses, etc.
  • the network side device 12 may be a base station or a core network, where a base station may be called a node B, an evolved node B, an access point, a base transceiver station (Base Transceiver Station, BTS), a radio base station, a radio transceiver, a basic service Basic Service Set (BSS), Extended Service Set (ESS), Node B, evolution Node-B (eNB), next-generation Node-B (gNB), Home Node-B, Home Evolution Type B node, wireless local area network (Wireless Local Area Networks, WLAN) access point, WiFi node, transmitting and receiving point (TransmittingReceivingPoint, TRP) or some other suitable term in the field, as long as the same technical effect is achieved, the The base station is not limited to a specific technical vocabulary. It should be noted that in the embodiment of the present application, only the base station in the NR system is taken as an example, but
  • control channel monitoring method and device provided in the embodiments of the present application will be described in detail below through some embodiments and application scenarios with reference to the accompanying drawings.
  • the embodiment of the present application provides a method 200 for monitoring a control channel.
  • the method can be executed by a terminal.
  • the method can be executed by software or hardware installed in the terminal.
  • the method includes the following steps.
  • the terminal determines the monitoring capability of a control channel; the control channel is used to schedule a first cell, and the first cell can be scheduled by at least two scheduling cells.
  • control channel mentioned in various embodiments of the present application may be a physical downlink control channel (Physical Downlink Control Channel, PDCCH), and the subsequent embodiments mostly use the PDCCH as an example to illustrate the control channel.
  • PDCCH Physical Downlink Control Channel
  • the monitoring capability of the control channel is usually used to indicate the capability of the terminal to monitor the control channel, for example, including: the blind detection of control channel resources of multiple scheduling cells scheduling the first cell on the time domain unit based on the reference SCS The total restriction, the blind detection control channel resource restriction of at least one scheduling cell scheduling the first cell in the time domain unit based on the reference SCS, and the like.
  • the terminal can determine the monitoring capability of the control channel according to predefined rules (such as agreement agreement); it can also determine the monitoring capability of the control channel according to the parameters configured by the network side equipment.
  • predefined rules such as agreement agreement
  • the terminal supports multiple monitoring capabilities, and the terminal selects a monitoring capability according to predefined rules; for another example, the terminal reports the various monitoring capabilities it supports to the network-side device, and the network-side device can configure scheduling parameters for the terminal, etc., and the terminal according to The scheduling parameters and the like can obtain the monitoring capability used by the currently monitored PDCCH.
  • the above control channel is used to schedule the first cell.
  • the first cell may be a cell that transmits a data channel for the terminal.
  • the first cell can be scheduled by at least two scheduling cells, that is, the above control channel may belong to at least two scheduling cells.
  • the first scheduling cell group all the cells capable of calling the first cell may be referred to as the first scheduling cell group.
  • the first cell is the primary cell (Pcell), and the first scheduling cell group includes the Pcell and a secondary cell (Scell).
  • an S-Scell may be used to represent the Scell capable of scheduling the Pcell.
  • S204 Determine at least one of the following related to the control channel according to the monitoring capability: processing time; scheduling restriction; scheduling time indication definition.
  • the network-side device can configure the corresponding relationship between monitoring capabilities and processing time, scheduling restrictions, scheduling time indication definitions, etc.; or, the agreement stipulates the corresponding relationship between monitoring capabilities and processing time, scheduling restrictions, scheduling time indication definitions, etc. .
  • the terminal can determine at least one of the following related to the control channel according to the determined monitoring capability: processing time; scheduling restriction; scheduling time indication definition.
  • processing time may include at least one of the following 1) to 6):
  • the processing time of the control channel For example, the demodulation time of PDCCH.
  • the processing time of the downlink data channel scheduled by the control channel For example, the processing time of a physical downlink shared channel (Physical Downlink Shared Channel, PDSCH) scheduled by the PDCCH.
  • PDSCH Physical Downlink Shared Channel
  • the preparation time of the uplink data channel scheduled by the control channel For example, the preparation time of a physical uplink shared channel (Physical Uplink Shared Channel, PUSCH) scheduled by the PDCCH.
  • PUSCH Physical Uplink Shared Channel
  • the calculation or reporting time of the channel state information (Channel State Information, CSI) of the control channel scheduling For example, the transmission of the Aperiodicity-Channel State Information-Reference Signal (A-CSI-RS) scheduled by the PDCCH, and the calculation or reporting time of the CSI corresponding to the A-CSI-RS.
  • CSI Channel State Information
  • the preparation or reception time of the A-CSI-RS scheduled by the control channel For example, the preparation or reception time of the A-CSI-RS scheduled by the PDCCH.
  • A-SRS aperiodic sounding reference signal scheduled by the control channel.
  • A-SRS aperiodicity-Sounding Reference Signal
  • the monitoring capability of the control channel may be redefined.
  • Time can be relaxed appropriately to reduce the complexity of terminal implementation.
  • each of the above processing times may be respectively greater than the target time, and the target time may be the corresponding time when the terminal monitors the control channel of a scheduling cell in the related art, so as to help reduce the complexity of terminal implementation.
  • the subcarrier spacing (SubCarrier Spacing, SCS) of at least two scheduling cells may be different, therefore, the granularity of the above processing time may be determined according to the reference SCS
  • the above-mentioned processing time is how many symbols and how many time slots are under the reference SCS, and the reference SCS will be introduced in subsequent embodiments.
  • the foregoing scheduling restriction may include at least one of the following 1) and 2).
  • the first restriction includes, for example: the time interval between the first time point and the second time point is not less than the first value.
  • the second restriction obtained by adjusting the first restriction when the first cell is cross-carrier scheduling, and the carrier of the scheduling cell and the carrier of the first cell meet a second condition.
  • the second restriction includes, for example: the time interval between the first time point and the second time point is not less than a second value, and the second value may be the above-mentioned first value+offset value.
  • the above definition of the scheduling time indication includes one of the following 1) and 2).
  • the time point of the resources scheduled by the control channel is: n1+K0/K1/K2+deta1; wherein, n1 is the time point occupied by the control channel, and deta1 is the value reported by the terminal or a predefined value Or the value configured by the network side device; K0 is the time interval between the control channel and the downlink data channel scheduled by the control channel; K1 is the feedback information of the downlink data channel scheduled by the control channel and the downlink data channel The time interval between; K2 is the time interval between the control channel and the uplink data channel scheduled by the control channel.
  • the time point of the resources scheduled by the control channel is: n2+deta2; wherein, n2 is the time domain unit corresponding to the time point occupied by the control channel in the scheduling cell referring to the SCS, and deta2 is the time domain unit reported by the terminal value, a predefined value, or a value configured on a network-side device.
  • the start time of K0/k2 is not defined by the last symbol of the PDCCH, but by the end position of the time slot of the scheduling cell with the smallest SCS among the two scheduling cells.
  • the time slot may be the time slot corresponding to the transmission time of the above PDCCH on the scheduling cell with the smallest SCS.
  • K0/k2 refer to the introduction in the above 1).
  • the method further includes: the terminal monitors the control channel according to the monitoring capability.
  • the first cell can be scheduled by at least two scheduling cells. Since the number of scheduling cells is not limited to one, it is convenient to solve the problem that the limited control channel resources of the scheduling cell are likely to cause scheduling congestion. Improve scheduling efficiency; at the same time, the terminal can also determine the processing time related to the control channel, scheduling limit, and scheduling time indication definition according to the determined monitoring capability, which is beneficial to reduce the complexity of terminal implementation.
  • the at least two scheduling cells mentioned in embodiment 200 belong to the first scheduling cell group, and the determining the monitoring capability of the control channel mentioned in S202 includes: according to at least one of the following a) to d) Determine the monitoring capability of the control channel:
  • the first control channel resource restriction of the cells of the second scheduling cell group, the first control channel resource restriction includes the total control channel resource restriction of each time domain unit based on the reference SCS, wherein the second scheduling cell The group is: the first scheduling cell group, or some cells of the first scheduling cell group.
  • time-domain unit mentioned in each embodiment of the present application may be a time slot, a symbol, a duration (span), and the like.
  • control channel resource limitation mentioned in various embodiments of this application may include the maximum number of PDCCH candidates for blind detection in one time domain unit; the maximum number of channel estimates required by the terminal to perform blind detection, that is, non-overlapping control channel elements (Control Channel Element, CCE) number, etc.
  • CCE Control Channel Element
  • a third control channel resource restriction of at least one cell of said first scheduling cell group said third control channel resource restriction comprising control based on each time domain unit of the (respective) SCS of said at least one cell Channel resource limitation.
  • at least one cell of the first scheduling cell group is based on a per slot/per span control channel resource restriction of its SCS.
  • At least one cell of the first scheduling cell group includes N time domain units based on the SCS of the at least one cell, and each time domain unit in the N time domain units There is an independent fourth control channel resource limitation; N is an integer greater than 2.
  • the reference SCS mentioned in each of the above examples includes one of the following: the maximum SCS of the first scheduling cell group; the minimum SCS of the first scheduling cell group; the maximum SCS of the second scheduling cell group; 2.
  • the first control channel resource restriction, the second control channel resource restriction, the third control channel resource restriction and the fourth control channel resource restriction mentioned in the above examples are obtained through the following 1) to 5) At least one of:
  • the control channel resource restriction of each time domain unit of the reference SCS is multiplied by a first coefficient.
  • the first control channel resource restriction is obtained based on multiplying the per slot control channel resource restriction of the reference SCS by a coefficient alpha, and the coefficient alpha can be predefined, reported by the terminal or radio resource control (Radio Resource Control, RRC ) configured.
  • RRC Radio Resource Control
  • the second control channel resource restriction is obtained based on multiplying the per slot control channel resource restriction of the reference SCS by a coefficient beta, and the coefficient beta may be predefined, reported by the terminal or configured by RRC.
  • control channel resource restriction of each time domain unit of the SCS of the at least one cell is multiplied by a second coefficient.
  • the third control channel resource restriction is obtained based on the per slot control channel resource restriction of the SCS of the cell multiplied by a coefficient gama, and the coefficient gama can be predefined, reported by the terminal or configured by RRC.
  • the second coefficients in at least two time domain units are different.
  • the second coefficient values of different slots among the N slots may be different.
  • the monitoring capabilities mentioned in the foregoing embodiments are related to at least one of the following.
  • Whether the scheduling cell where the control channel is located contains control channel resource restrictions across multiple time domain units. For example, whether the scheduling cell where the PDCCH is located contains control channel resource restrictions across multiple slots.
  • the control channel resource restriction of each time domain unit of the SCS of the scheduling cell satisfies the first condition.
  • the per slot control resource limitation of the SCS of the scheduling cell where the PDCCH is located satisfies the first condition.
  • the first condition includes, for example: the value of the control channel resource limit is less than or equal to a certain value, and so on.
  • the first cell is Pcell
  • the first scheduling cell group includes Pcell and S-Scell, that is, Pcell can be scheduled by Pcell and another Scell, and Pcell and S-Scell can have the same or different SCS.
  • Pcell and S-Scell can have the same or different SCS.
  • Pcell and S-Scell have independent control channel resource restrictions, as shown in FIG. 3 .
  • Z1s corresponds to the control channel resource restriction in b) of the above solution
  • Z1p and Z1s' correspond to the control channel resource restriction in c) of the above solution.
  • each square in the horizontal direction represents a time slot
  • the small filled squares in the squares represent PDCCH
  • the numbers in the small squares represent the limit of control channel resources. value.
  • the small squares filled with orthogonal lines in the upper part represent the common search space (Common Search Space, CSS)
  • the small squares filled with slashes in the lower part represent the user-specific search space (UE Specific Search Space). Space, USS).
  • Example B Pcell and S-Scell have a total control channel resource limitation, as shown in FIG. 4 .
  • Z2 corresponds to the total control channel resource limitation in the above solution a)
  • Z2s corresponds to the control channel resource limitation in the above solution c).
  • the SCS (30KHz) of the S-Scell and the reference SCS (15KHz, the SCS of the primary cell)
  • the limit Z1s on the S-Scell is the total limit for two slots, so all control channel resources may be concentrated on one slot, such as the case of (24, 0) in the lower right corner of Figure 3 .
  • the terminal may need more time to process the control channel resources on a slot, that is, the processing time (such as the processing time of PDCCH or PDSCH) needs to add additional time, such as the processing time of normal PDCCH or PDSCH +deta.
  • the processing time such as the processing time of PDCCH or PDSCH
  • additional time such as the processing time of normal PDCCH or PDSCH +deta.
  • the time point of resources scheduled by the PDCCH is adjusted to: n1+K0/K1/K2+deta1.
  • the time point of the resources scheduled by the PDCCH is: n2+deta2; where n2 is the control channel
  • the occupied time point refers to the time domain unit corresponding to the scheduling cell of the SCS, and deta2 is a value reported by the terminal, a predefined value or a value configured by a network side device.
  • control channel monitoring method has been described in detail above with reference to FIG. 2 to FIG. 4 .
  • a method for monitoring a control channel according to another embodiment of the present application will be described in detail below with reference to FIG. 5 . It can be understood that the interaction between the network-side device and the terminal described from the network-side device is the same as the description on the terminal side in the method shown in FIG. 2 , and related descriptions are appropriately omitted to avoid repetition.
  • FIG. 5 is a schematic diagram of an implementation flow of a method for monitoring a control channel according to an embodiment of the present application, which can be applied to a network side device. As shown in FIG. 5 , the method 500 includes the following steps.
  • the network side device determines the monitoring capability of the terminal on the control channel; the control channel is used to schedule a first cell, and the first cell can be scheduled by at least two scheduling cells.
  • S504 Determine at least one of the following related to the control channel according to the monitoring capability: processing time; scheduling restriction; scheduling time indication definition.
  • the first cell can be scheduled by at least two scheduling cells. Since the number of scheduling cells is not limited to one, it is convenient to solve the problem that the control channel resources of the scheduling cell are limited and easily cause scheduling congestion, and improve scheduling efficiency.
  • the network side device can also determine the processing time related to the control channel, the scheduling limit and the definition of the scheduling time indication according to the determined monitoring capability, which is beneficial to reduce the complexity of terminal implementation.
  • the at least two scheduling cells belong to the first scheduling cell group
  • the determining the terminal's ability to monitor the control channel includes: determining the terminal's ability to monitor the control channel according to at least one of the following 1) to 4). Monitoring capability of the control channel.
  • the first control channel resource restriction of the cells of the second scheduling cell group, the first control channel resource restriction includes the total control channel resource restriction of each time domain unit based on the reference SCS, wherein the second scheduling cell The group is: the first scheduling cell group, or some cells of the first scheduling cell group.
  • a second control channel resource restriction of at least one cell of the first scheduling cell group where the second control channel resource restriction includes a control channel resource restriction based on each time domain unit of the reference SCS.
  • a third control channel resource restriction of at least one cell of the first scheduling cell group where the third control channel resource restriction includes a control channel resource restriction based on each time domain unit of the SCS of the at least one cell.
  • At least one cell of the first scheduling cell group includes N time domain units based on the SCS of the at least one cell, and each time domain unit in the N time domain units There is an independent fourth control channel resource limitation; N is an integer greater than 2.
  • the reference SCS includes one of the following: the maximum SCS of the first scheduling cell group; the minimum SCS of the first scheduling cell group; the maximum SCS of the second scheduling cell group ; The minimum SCS of the second scheduling cell group; the SCS configured by the network side device; the predefined SCS.
  • the first control channel resource restriction, the second control channel resource restriction, the third control channel resource restriction, and the fourth control channel resource restriction are implemented through the following 1) to At least one of 5) is obtained.
  • the second coefficients in at least two time domain units are different.
  • the monitoring capability is related to at least one of the following 1) to 3).
  • the granularity of the processing time is determined according to the reference SCS.
  • the processing time includes at least one of the following 1) to 6).
  • the scheduling restriction includes at least one of the following 1) to 2).
  • the first cell is self-scheduling
  • there is a first restriction on the time interval between the first time point and the second time point and the first time point includes the time point occupied by the control channel
  • the second time point includes a time point when resources scheduled by the control channel are occupied.
  • the scheduling time indication definition includes one of the following 1) and 2):
  • the time point of the resources scheduled by the control channel is: n1+K0/K1/K2+deta1; wherein, n1 is the time point occupied by the control channel, and deta1 is the value reported by the terminal or a predefined value Or the value configured on the network side device.
  • K0 is the time interval between the control channel and the downlink data channel scheduled by the control channel
  • K1 is the time interval between the downlink data channel scheduled by the control channel and the feedback information of the downlink data channel
  • K2 is the time interval between the control channel and the uplink data channel scheduled by the control channel.
  • the time point of the resources scheduled by the control channel is: n2+deta2; wherein, n2 is the time domain unit corresponding to the time point occupied by the control channel in the scheduling cell referring to the SCS, and deta2 is the time domain unit reported by the terminal value, a predefined value, or a value configured on a network-side device.
  • the method further includes: sending the control channel according to the monitoring capability.
  • control channel monitoring method provided in the embodiment of the present application may be executed by a control channel monitoring device, or a control module in the control channel monitoring device for executing the control channel monitoring method.
  • the method for monitoring the control channel performed by the control channel monitoring device is taken as an example to illustrate the control channel monitoring device provided in the embodiment of the present application.
  • Fig. 6 is a schematic structural diagram of an apparatus for monitoring a control channel according to an embodiment of the present application, and the apparatus may correspond to a terminal in other embodiments.
  • the device 600 includes the following modules.
  • the first determining module 602 may be configured to determine a monitoring capability of a control channel; wherein the control channel is used for scheduling a first cell, and the first cell can be scheduled by at least two scheduling cells.
  • the second determining module 604 may be configured to determine at least one of the following related to the control channel according to the monitoring capability: processing time; scheduling restriction; scheduling time indication definition.
  • the first cell can be scheduled by at least two scheduling cells. Since the number of scheduling cells is not limited to one, it is convenient to solve the problem that the control channel resources of the scheduling cell are limited and easily cause scheduling congestion, and improve scheduling efficiency. At the same time, according to the determined monitoring capability, the processing time related to the control channel, the scheduling limit and the definition of the scheduling time indication can be determined, which is beneficial to reduce the complexity of terminal implementation.
  • the at least two scheduling cells belong to a first scheduling cell group
  • the first determining module 602 is configured to: determine the control channel according to at least one of the following 1) to 4). monitoring capabilities.
  • the first control channel resource restriction of the cells of the second scheduling cell group, the first control channel resource restriction includes the total control channel resource restriction of each time domain unit based on the reference subcarrier spacing SCS, wherein the first control channel resource restriction
  • the second scheduling cell group is: the first scheduling cell group, or some cells of the first scheduling cell group.
  • a second control channel resource restriction of at least one cell of the first scheduling cell group where the second control channel resource restriction includes a control channel resource restriction based on each time domain unit of the reference SCS.
  • a third control channel resource restriction of at least one cell of the first scheduling cell group where the third control channel resource restriction includes a control channel resource restriction based on each time domain unit of the SCS of the at least one cell.
  • At least one cell of the first scheduling cell group includes N time domain units based on the SCS of the at least one cell, and each time domain unit in the N time domain units There is an independent fourth control channel resource limitation; N is an integer greater than 2.
  • the reference SCS includes one of the following: the maximum SCS of the first scheduling cell group; the minimum SCS of the first scheduling cell group; the maximum SCS of the second scheduling cell group ; The minimum SCS of the second scheduling cell group; the SCS configured by the network side device; the predefined SCS.
  • the first control channel resource restriction, the second control channel resource restriction, the third control channel resource restriction, and the fourth control channel resource restriction are implemented through the following 1) to At least one of 5) is obtained.
  • the second coefficients in at least two time domain units are different.
  • the monitoring capability is related to at least one of the following 1) to 3).
  • the granularity of the processing time is determined according to the reference SCS.
  • the processing time includes at least one of the following 1) to 6).
  • the scheduling restriction includes at least one of the following 1) to 2).
  • the first cell is self-scheduling
  • there is a first restriction on the time interval between the first time point and the second time point and the first time point includes the time point occupied by the control channel
  • the second time point includes a time point when resources scheduled by the control channel are occupied.
  • the scheduling time indication definition includes one of the following 1) and 2).
  • the time point of the resources scheduled by the control channel is: n1+K0/K1/K2+deta1; wherein, n1 is the time point occupied by the control channel, and deta1 is the value reported by the terminal or a predefined value Or the value configured on the network side device.
  • K0 is the time interval between the control channel and the downlink data channel scheduled by the control channel
  • K1 is the time interval between the downlink data channel scheduled by the control channel and the feedback information of the downlink data channel
  • K2 is the time interval between the control channel and the uplink data channel scheduled by the control channel.
  • the time point of the resources scheduled by the control channel is: n2+deta2; wherein, n2 is the time domain unit corresponding to the time point occupied by the control channel in the scheduling cell referring to the SCS, and deta2 is the time domain unit reported by the terminal value, a predefined value, or a value configured on a network-side device.
  • the device after determining the monitoring capability of the control channel, the device further includes: a monitoring module, configured to monitor the control channel according to the monitoring capability.
  • the device 600 according to the embodiment of the present application can refer to the process of the method 200 corresponding to the embodiment of the present application, and each unit/module in the device 600 and the above-mentioned other operations and/or functions are respectively in order to realize the corresponding process in the method 200, And can achieve the same or equivalent technical effect, for the sake of brevity, no more details are given here.
  • the control channel monitoring device in the embodiment of the present application may be a device, a device with an operating system or an electronic device, and may also be a component, an integrated circuit, or a chip in a terminal.
  • the apparatus or electronic equipment may be a mobile terminal or a non-mobile terminal.
  • the mobile terminal may include but not limited to the types of terminals 11 listed above, and the non-mobile terminal may be a server, a network attached storage (Network Attached Storage, NAS), a personal computer (personal computer, PC), a television ( television, TV), teller machines or self-service machines, etc., are not specifically limited in this embodiment of the present application.
  • control channel monitoring device provided by the embodiment of the present application can realize each process realized by the method embodiments in Fig. 2 to Fig. 5, and achieve the same technical effect. To avoid repetition, details are not repeated here.
  • Fig. 7 is a schematic structural diagram of an apparatus for monitoring a control channel according to an embodiment of the present application, and the apparatus may correspond to network-side equipment in other embodiments.
  • the device 700 includes the following modules.
  • the first determining module 702 may be configured to determine a terminal's ability to monitor a control channel; wherein, the control channel is used to schedule a first cell, and the first cell can be scheduled by at least two scheduling cells.
  • the second determining module 704 may be configured to determine at least one of the following related to the control channel according to the monitoring capability: processing time; scheduling restriction; scheduling time indication definition.
  • the first cell can be scheduled by at least two scheduling cells. Since the number of scheduling cells is not limited to one, it is convenient to solve the problem that the control channel resources of the scheduling cell are limited and easily cause scheduling congestion, and improve scheduling efficiency.
  • the terminal can also determine the processing time related to the control channel, the scheduling limit and the definition of the scheduling time indication according to the determined monitoring capability, which is beneficial to reduce the complexity of terminal implementation.
  • the at least two scheduling cells belong to a first scheduling cell group
  • the first determining module 702 is configured to: determine the terminal pair control according to at least one of the following 1) to 4). channel monitoring capabilities.
  • the first control channel resource restriction of the cells of the second scheduling cell group, the first control channel resource restriction includes the total control channel resource restriction of each time domain unit based on the reference SCS, wherein the second scheduling cell The group is: the first scheduling cell group, or some cells of the first scheduling cell group.
  • a second control channel resource restriction of at least one cell of the first scheduling cell group where the second control channel resource restriction includes a control channel resource restriction based on each time domain unit of the reference SCS.
  • a third control channel resource restriction of at least one cell of the first scheduling cell group where the third control channel resource restriction includes a control channel resource restriction based on each time domain unit of the SCS of the at least one cell.
  • At least one cell of the first scheduling cell group includes N time domain units based on the SCS of the at least one cell, and each time domain unit in the N time domain units There is an independent fourth control channel resource limitation; N is an integer greater than 2.
  • the reference SCS includes one of the following: the maximum SCS of the first scheduling cell group; the minimum SCS of the first scheduling cell group; the maximum SCS of the second scheduling cell group ; The minimum SCS of the second scheduling cell group; the SCS configured by the network side device; the predefined SCS.
  • the first control channel resource restriction, the second control channel resource restriction, the third control channel resource restriction, and the fourth control channel resource restriction are implemented through the following 1) to At least one of 5) is obtained.
  • the second coefficients in at least two time domain units are different.
  • the monitoring capability is related to at least one of the following 1) to 3).
  • the granularity of the processing time is determined according to the reference SCS.
  • the processing time includes at least one of the following 1) to 6).
  • the scheduling restriction includes at least one of the following 1) to 2).
  • the first cell is self-scheduling
  • there is a first restriction on the time interval between the first time point and the second time point and the first time point includes the time point occupied by the control channel
  • the second time point includes a time point when resources scheduled by the control channel are occupied.
  • the scheduling time indication definition includes one of the following 1) and 2).
  • the time point of the resources scheduled by the control channel is: n1+K0/K1/K2+deta1; wherein, n1 is the time point occupied by the control channel, and deta1 is the value reported by the terminal or a predefined value Or the value configured on the network side device.
  • K0 is the time interval between the control channel and the downlink data channel scheduled by the control channel
  • K1 is the time interval between the downlink data channel scheduled by the control channel and the feedback information of the downlink data channel
  • K2 is the time interval between the control channel and the uplink data channel scheduled by the control channel.
  • the time point of the resources scheduled by the control channel is: n2+deta2; wherein, n2 is the time domain unit corresponding to the time point occupied by the control channel in the scheduling cell referring to the SCS, and deta2 is the time domain unit reported by the terminal value, a predefined value, or a value configured on a network-side device.
  • the device further includes: a sending module, configured to send the control channel according to the monitoring capability.
  • the device 700 according to the embodiment of the present application can refer to the process of the method 500 corresponding to the embodiment of the present application, and each unit/module in the device 700 and the above-mentioned other operations and/or functions are respectively in order to realize the corresponding process in the method 500, And can achieve the same or equivalent technical effect, for the sake of brevity, no more details are given here.
  • this embodiment of the present application further provides a communication device 800, including a processor 801, a memory 802, and programs or instructions stored in the memory 802 and operable on the processor 801,
  • a communication device 800 including a processor 801, a memory 802, and programs or instructions stored in the memory 802 and operable on the processor 801
  • the communication device 800 is a terminal
  • the program or instruction is executed by the processor 801
  • each process of the above control channel monitoring method embodiment can be realized, and the same technical effect can be achieved.
  • the communication device 800 is a network-side device
  • the program or instruction is executed by the processor 801
  • each process of the above control channel monitoring method embodiment can be achieved, and the same technical effect can be achieved. To avoid repetition, details are not repeated here.
  • the embodiment of the present application also provides a terminal, including a processor and a communication interface, the processor is used to determine the monitoring capability of the control channel; wherein the control channel is used to schedule the first cell, and the first cell can be controlled by at least two Scheduling cell scheduling; determining at least one of the following related to the control channel according to the monitoring capability: processing time; scheduling restriction; scheduling time indication definition.
  • This terminal embodiment corresponds to the above-mentioned terminal-side method embodiment, and each implementation process and implementation mode of the above-mentioned method embodiment can be applied to this terminal embodiment, and can achieve the same technical effect.
  • FIG. 9 is a schematic diagram of a hardware structure of a terminal implementing an embodiment of the present application.
  • the terminal 900 includes, but is not limited to: a radio frequency unit 901, a network module 902, an audio output unit 903, an input unit 904, a sensor 905, a display unit 906, a user input unit 907, an interface unit 908, a memory 909, and a processor 910, etc. at least some of the components.
  • the terminal 900 can also include a power supply (such as a battery) for supplying power to various components, and the power supply can be logically connected to the processor 910 through the power management system, so as to manage charging, discharging, and power consumption through the power management system. Management and other functions.
  • a power supply such as a battery
  • the terminal structure shown in FIG. 9 does not constitute a limitation on the terminal, and the terminal may include more or fewer components than shown in the figure, or combine some components, or arrange different components, which will not be repeated here.
  • the input unit 904 may include a graphics processor (Graphics Processing Unit, GPU) 9041 and a microphone 9042, and the graphics processor 9041 is used for the image capture device (such as the image data of the still picture or video obtained by the camera) for processing.
  • the display unit 906 may include a display panel 9061, and the display panel 9061 may be configured in the form of a liquid crystal display, an organic light emitting diode, or the like.
  • the user input unit 907 includes a touch panel 9071 and other input devices 9072 .
  • the touch panel 9071 is also called a touch screen.
  • the touch panel 9071 may include two parts, a touch detection device and a touch controller.
  • Other input devices 9072 may include, but are not limited to, physical keyboards, function keys (such as volume control buttons, switch buttons, etc.), trackballs, mice, and joysticks, which will not be repeated here.
  • the radio frequency unit 901 receives the downlink data from the network side device, and processes it to the processor 910; in addition, sends the uplink data to the network side device.
  • the radio frequency unit 901 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like.
  • the memory 909 can be used to store software programs or instructions as well as various data.
  • the memory 909 may mainly include a program or instruction storage area and a data storage area, wherein the program or instruction storage area may store an operating system, an application program or instructions required by at least one function (such as a sound playback function, an image playback function, etc.) and the like.
  • the memory 909 may include a high-speed random access memory, and may also include a non-transitory memory, wherein the non-transitory memory may be a read-only memory (Read-Only Memory, ROM), a programmable read-only memory (Programmable ROM, PROM) ), erasable programmable read-only memory (ErasablePROM, EPROM), electrically erasable programmable read-only memory (Electrically EPROM, EEPROM) or flash memory.
  • ROM Read-Only Memory
  • PROM programmable read-only memory
  • ErasablePROM ErasablePROM
  • EPROM electrically erasable programmable read-only memory
  • EEPROM electrically erasable programmable read-only memory
  • flash memory for example at least one disk storage device, flash memory device, or other non-transitory solid state storage device.
  • the processor 910 may include one or more processing units; optionally, the processor 910 may integrate an application processor and a modem processor, wherein the application processor mainly processes the operating system, user interface, application programs or instructions, etc., Modem processors mainly handle wireless communications, such as baseband processors. It can be understood that the foregoing modem processor may not be integrated into the processor 910 .
  • the processor 910 may be used to determine the monitoring capability of the control channel; wherein, the control channel is used to schedule the first cell, and the first cell can be scheduled by at least two scheduling cells; and the monitoring capability is determined according to the monitoring capability. At least one of the following related to the control channel: processing time; scheduling restriction; scheduling time indication definition.
  • the first cell can be scheduled by at least two scheduling cells. Since the number of scheduling cells is not limited to one, it is convenient to solve the problem that the control channel resources of the scheduling cell are limited and easily cause scheduling congestion, and improve scheduling efficiency.
  • the terminal can also determine the processing time related to the control channel, the scheduling limit and the definition of the scheduling time indication according to the determined monitoring capability, which is beneficial to reduce the complexity of terminal implementation.
  • the terminal 900 provided in the embodiment of the present application can also implement the various processes of the above control channel monitoring method embodiment, and can achieve the same technical effect. To avoid repetition, details are not repeated here.
  • the embodiment of the present application also provides a network side device, including a processor and a communication interface, the processor is used to determine the terminal's ability to monitor the control channel; wherein the control channel is used to schedule the first cell, and the first cell can Scheduling by at least two scheduling cells; determining at least one of the following related to the control channel according to the monitoring capability: processing time; scheduling restriction; scheduling time indication definition.
  • the network-side device embodiment corresponds to the above-mentioned network-side device method embodiment, and each implementation process and implementation mode of the above-mentioned method embodiment can be applied to this network-side device embodiment, and can achieve the same technical effect.
  • the embodiment of the present application also provides a network side device.
  • the network side device 1000 includes: an antenna 101 , a radio frequency device 102 , and a baseband device 103 .
  • the antenna 101 is connected to the radio frequency device 102 .
  • the radio frequency device 102 receives information through the antenna 101, and sends the received information to the baseband device 103 for processing.
  • the baseband device 103 processes the information to be sent and sends it to the radio frequency device 102
  • the radio frequency device 102 processes the received information and sends it out through the antenna 101 .
  • the foregoing frequency band processing device may be located in the baseband device 103 , and the method executed by the network side device in the above embodiments may be implemented in the baseband device 103 , and the baseband device 103 includes a processor 104 and a memory 105 .
  • the baseband device 103 may include at least one baseband board, for example, a plurality of chips are arranged on the baseband board, as shown in FIG. The operation of the network side device shown in the above method embodiments.
  • the baseband device 103 may also include a network interface 106 for exchanging information with the radio frequency device 102, such as a common public radio interface (CPRI for short).
  • a network interface 106 for exchanging information with the radio frequency device 102, such as a common public radio interface (CPRI for short).
  • CPRI common public radio interface
  • the network-side device in the embodiment of the present application further includes: instructions or programs stored in the memory 105 and operable on the processor 104, and the processor 104 calls the instructions or programs in the memory 105 to execute the modules shown in FIG. 7 To avoid duplication, the method of implementation and to achieve the same technical effect will not be repeated here.
  • the embodiment of the present application also provides a readable storage medium, the readable storage medium stores a program or an instruction, and when the program or instruction is executed by the processor, each process of the above-mentioned embodiment of the control channel monitoring method is implemented, and can achieve The same technical effects are not repeated here to avoid repetition.
  • the processor may be the processor in the terminal described in the foregoing embodiments.
  • the readable storage medium includes computer readable storage medium, such as computer read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disk or optical disk, etc.
  • the embodiment of the present application further provides a chip, the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is used to run programs or instructions to implement the above embodiment of the control channel monitoring method Each process, and can achieve the same technical effect, in order to avoid repetition, will not repeat them here.
  • the chip mentioned in the embodiment of the present application may also be called a system-on-chip, a system-on-chip, a system-on-a-chip, or a system-on-a-chip.
  • the term “comprising”, “comprising” or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article or apparatus comprising a set of elements includes not only those elements, It also includes other elements not expressly listed, or elements inherent in the process, method, article, or device. Without further limitations, an element defined by the phrase “comprising a " does not preclude the presence of additional identical elements in the process, method, article, or apparatus comprising that element.
  • the scope of the methods and devices in the embodiments of the present application is not limited to performing functions in the order shown or discussed, and may also include performing functions in a substantially simultaneous manner or in reverse order according to the functions involved. Functions are performed, for example, the described methods may be performed in an order different from that described, and various steps may also be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.
  • the methods of the above embodiments can be implemented by means of software plus a necessary general-purpose hardware platform, and of course also by hardware, but in many cases the former is better implementation.
  • the technical solution of the present application can be embodied in the form of computer software products, which are stored in a storage medium (such as ROM/RAM, magnetic disk, etc.) , CD-ROM), including several instructions to enable a terminal (which may be a mobile phone, computer, server, air conditioner, or network-side device, etc.) to execute the methods described in various embodiments of the present application.

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

Abstract

Les modes de réalisation de la présente demande appartiennent au domaine technique des communications. Sont divulgués un procédé et un dispositif de surveillance d'un canal de commande. Selon les modes de réalisation de la présente demande, le procédé de surveillance d'un canal de commande comprend les étapes suivantes : un terminal détermine une capacité de surveillance d'un canal de commande, le canal de commande servant à planifier une première cellule, et la première cellule pouvant être planifiée par au moins deux cellules de planification ; et déterminer, en fonction de la capacité de surveillance, au moins l'un des éléments suivants associés au canal de commande : un temps de traitement, une restriction de planification et une définition d'indication de temps de planification.
PCT/CN2022/092658 2021-05-18 2022-05-13 Dispositif et procédé de surveillance d'un canal de commande WO2022242557A1 (fr)

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Citations (2)

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CN110662228A (zh) * 2018-06-29 2020-01-07 维沃移动通信有限公司 跨载波调度的pdcch候选分配方法和设备
CN112437488A (zh) * 2020-04-08 2021-03-02 上海移远通信技术股份有限公司 一种被用于无线通信的节点中的方法和装置

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CN112437488A (zh) * 2020-04-08 2021-03-02 上海移远通信技术股份有限公司 一种被用于无线通信的节点中的方法和装置

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