WO2023125913A1 - Procédé et appareil de surveillance de pdcch, terminal et support d'enregistrement lisible - Google Patents

Procédé et appareil de surveillance de pdcch, terminal et support d'enregistrement lisible Download PDF

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WO2023125913A1
WO2023125913A1 PCT/CN2022/143847 CN2022143847W WO2023125913A1 WO 2023125913 A1 WO2023125913 A1 WO 2023125913A1 CN 2022143847 W CN2022143847 W CN 2022143847W WO 2023125913 A1 WO2023125913 A1 WO 2023125913A1
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cell
scheduling
value
cells
target
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PCT/CN2022/143847
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English (en)
Chinese (zh)
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李�根
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维沃移动通信有限公司
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446—Resources in time domain, e.g. slots or frames
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • H04W72/232—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal the control data signalling from the physical layer, e.g. DCI signalling

Definitions

  • the present application belongs to the technical field of communication, and in particular relates to a PDCCH monitoring method, device, terminal and readable storage medium.
  • the monitoring capability of a Physical Downlink Control Channel is usually defined based on a slot (slot) or multiple symbols (symbol).
  • a communication system operates in a high frequency band, it has a relatively large subcarrier spacing. Therefore, it is necessary to define the PDCCH monitoring capability based on X slots.
  • the embodiments of the present application provide a PDCCH monitoring method, device, terminal, and readable storage medium, which can realize PDCCH monitoring when multiple serving cells are configured on the terminal.
  • a PDCCH monitoring method including:
  • the terminal determines N1 first scheduling cells, where the N1 first scheduling cells are scheduling cells based on the PDCCH monitoring capability of the time slot group among the serving cells configured by the terminal;
  • the terminal determines the time domain position of each of the first scheduling cells and the time slot group corresponding to each combination value in at least one combination value supported by the terminal;
  • the terminal determines a target value corresponding to each of the first scheduling cells according to the time domain position and the search spaces corresponding to the N1 first scheduling cells;
  • the terminal performs PDCCH monitoring according to the target information corresponding to each of the first scheduling cells
  • N1 is a positive integer
  • the target information includes the target value
  • the combination value includes a first value and a second value
  • the first value represents the time slots contained in non-overlapping and consecutive time slot groups number
  • the second value represents the number of time slots in which the preset search space can be configured and monitored in the time slot group
  • the target value is one of the combined values or the first value included in a combined value
  • the boundary of a time unit of the first scheduling cell is inconsistent with that of at least one scheduling cell in the serving cell configured by the terminal, and the time unit is a frame or a subframe.
  • a PDCCH monitoring device including:
  • the first determining module is configured to determine N1 first scheduling cells, where the N1 first scheduling cells are scheduling cells based on the PDCCH monitoring capability of the time slot group among the serving cells configured by the terminal;
  • a second determination module configured to determine the time domain position of each of the first scheduling cells and the time slot group corresponding to each combination value in at least one combination value supported by the terminal;
  • a third determining module configured for the terminal to determine a target value corresponding to each of the first scheduling cells according to the time domain position and the search spaces corresponding to the N1 first scheduling cells;
  • a monitoring module configured to perform PDCCH monitoring according to the target information corresponding to each of the first scheduling cells
  • N1 is a positive integer
  • the target information includes the target value
  • the combination value includes a first value and a second value
  • the first value represents the time slots contained in non-overlapping and consecutive time slot groups number
  • the second value represents the number of time slots in which the preset search space can be configured and monitored in the time slot group
  • the target value is one of the combined values or the first value included in a combined value
  • the boundary of a time unit of the first scheduling cell is inconsistent with that of at least one scheduling cell in the serving cell configured by the terminal, and the time unit is a frame or a subframe.
  • a terminal in a third aspect, includes a processor and a memory, the memory stores programs or instructions that can run on the processor, and when the programs or instructions are executed by the processor, the following The steps of the method in one aspect.
  • a terminal including a processor and a communication interface, wherein the processor is configured to determine N1 first scheduling cells, and the N1 first scheduling cells are serving cells configured by the terminal, based on time The scheduling cell of the PDCCH monitoring capability of the slot group; determine the time domain position of each of the first scheduling cells and the time slot group corresponding to each combination value in at least one combination value supported by the terminal; according to the time domain position
  • the search space corresponding to the N1 first scheduling cells determines the target value corresponding to each of the first scheduling cells;
  • the communication interface is used to perform PDCCH monitoring according to the target information corresponding to each of the first scheduling cells; wherein, N1 is a positive integer, the target information includes the target value, the combined value includes a first value and a second value, and the first value represents the number of time slots included in non-overlapping and consecutive time slot groups , the second value represents the number of time slots that can be configured and monitored in the time slot group in the preset search space, and the target value is one of the combined values
  • a readable storage medium is provided, and a program or an instruction is stored on the readable storage medium, and when the program or instruction is executed by a processor, the steps of the method according to the first aspect are implemented.
  • a sixth aspect 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 method as described in the first aspect A step of.
  • a computer program product is provided, the computer program product is stored in a storage medium, and the computer program product is executed by at least one processor to implement the steps of the method described in the first aspect.
  • the search space corresponding to the first scheduling cell determines the target value corresponding to each first scheduling cell, and performs PDCCH monitoring according to the target information corresponding to the first scheduling cell, and the first scheduling cell is the PDCCH monitoring based on each time slot group Ability to dispatch cells.
  • the PDCCH monitoring can be realized when the terminal is configured with multiple serving cells and the time slot groups of different cells partially overlap.
  • the terminal supports at least two combined values, there may be different target values for different first scheduling cells, so that the flexibility of PDCCH monitoring may be improved.
  • FIG. 1 is a structural diagram of a network system applicable to an embodiment of the present application
  • FIG. 2 is a flow chart of a PDCCH monitoring method provided in an embodiment of the present application.
  • FIG. 3 is one of the example diagrams of time slot comparisons of different cells in a PDCCH monitoring method provided in an embodiment of the present application;
  • FIG. 4 is the second example diagram of time slot comparison of different cells in a PDCCH monitoring method provided by an embodiment of the present application
  • FIG. 5 is a flow chart of a PDCCH monitoring device provided in an embodiment of the present application.
  • FIG. 6 is a structural diagram of a communication device provided by an embodiment of the present application.
  • FIG. 7 is a structural diagram of a terminal provided by 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
  • system and “network” in the embodiments of the present application are often used interchangeably, and the described technology can be used for the above-mentioned system and radio technology, and can also be used for other systems and radio technologies.
  • NR New Radio
  • the following description describes the New Radio (NR) system for illustrative purposes, and uses NR terminology in most of the following descriptions, but these techniques 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 block diagram of a wireless communication system to which the 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 be a mobile phone, a tablet computer (Tablet Personal Computer), a laptop computer (Laptop Computer) or a notebook computer, a personal digital assistant (Personal Digital Assistant, PDA), a palmtop computer, a netbook, a super mobile personal computer (ultra-mobile personal computer, UMPC), mobile Internet device (Mobile Internet Device, MID), augmented reality (augmented reality, AR) / virtual reality (virtual reality, VR) equipment, robot, wearable device (Wearable Device) , Vehicle User Equipment (VUE), Pedestrian User Equipment (PUE), smart home (home equipment with wireless communication functions, such as refrigerators, TVs, washing machines or furniture, etc.), game consoles, personal computers (personal computer, PC), teller machine or self-service machine and other terminal side devices, wearable devices include: smart watches, smart bracelet
  • the network side device 12 may include an access network device or a core network device, where the access network device may also be called a radio access network device, a radio access network (Radio Access Network, RAN), a radio access network function, or a wireless network. access network unit.
  • the access network equipment may include a base station, a WLAN access point, or a WiFi node, etc.
  • the base station may be called a Node B, an evolved Node B (eNB), an access point, a Base Transceiver Station (BTS), a radio base station , radio transceiver, Basic Service Set (Basic Service Set, BSS), Extended Service Set (Extended Service Set, ESS), Home Node B, Home Evolved Node B, Transmitting Receiving Point (Transmitting Receiving Point, TRP) or the Any other suitable term in the field, as long as the same technical effect is achieved, the base station is not limited to a specific technical vocabulary. Specific types of base stations are defined.
  • the monitoring capability of the PDCCH is divided into mandatory (Mandatory) and optional (Optional) capabilities.
  • Control resource set Each Bandwidth Part (BWP) of each cell (Cell) can be configured with 1 additional Coreset on the basis of Coreset 0; where the additional Coreset satisfies:
  • FR 1 the frequency domain is configured based on the bitmap (bitmap) of 6 resource blocks (Resource Block, RB), and the time domain width can support the configuration of 1 to 3 symbols;
  • FR 2 for Type (Type) 0/0A/2 common search space (Common search space, CSS) and non-dedicated radio resource control (Radio Resource Control, RRC) configured Type 1 CSS, the frequency domain is configured based on the bitmap of 6 RBs , and the time domain width can support the configuration of 1 to 3 symbols; for the Type 1 and Type 3 CSS of the dedicated RRC configuration and the user equipment dedicated search space (UE-specific search space, USS), the frequency domain is based on the bitmap of 6 RBs
  • the time domain width can support the configuration of 1 to 2 symbols; resource element group (Resource Element Group, REG) bundle size (bundle size): 2/3/6; interleaved and non-interleaved CCE to REG mapping (Interleaved and non
  • the unicast (unicast) PDCCH transmission in CSS and USS satisfies: the aggregation level (Aggregation Level, AL) is 1, 2, 4, 8 or 16; for the scheduled secondary cell (Secondary Cell, Scell), each BWP A slot has a maximum of 3 Search Space (SS) sets (sets), and this limit is before SS dropping (dropping); for Type 1 and Type 3 CSS and USS of dedicated RRC configuration, monitoring opportunities (Monitoring occasions) in the first 3 symbols of a slot; for Type0/0A/2 CSS (Type0/0A/2-PDCCH CSS set) and non-dedicated RRC configured Type 1 CSS, Monitoring occasions can be in a slot Any 1 symbol, and within a single span of a slot, a single span can be understood as 3 consecutive Orthogonal frequency division multiplex (OFDM) symbols;
  • OFDM Orthogonal frequency division multiplex
  • DCI Downlink Control Information
  • each slot For a frequency division multiplexing (Frequency Division Duplex, FDD) system, for each scheduled carrier unit (Component Carrier, CC), each slot only processes one DCI for scheduling downlink (Downlink, DL) unicast transmission and one Scheduling DCI for uplink (Uplink, UL) unicast transmission;
  • FDD Frequency Division Duplex
  • each slot For each scheduled CC, each slot only processes one DCI for scheduling DL unicast transmission and two DCIs for scheduling UL unicast transmission.
  • TDD Time Division Duplex
  • the Coreset in FR2 satisfies: For Type 1 and Type 3 CSS and USS of dedicated RRC configuration, the frequency domain is configured based on the bitmap of 6 RBs, and the time domain width can support the configuration of 3 symbols.
  • a single PDCCH monitoring opportunity (pdcchMonitoringSingleOccasion) satisfies: For FR1, indicates that UE supports receiving Cell Radio Network Temporary Identifier (C-RNTI) and configuring and scheduling wireless network in any 3 consecutive symbols of a 15KHz slot Temporary identifier (Configured Scheduling RNTI, CS-RNTI) scrambled PDCCH;
  • C-RNTI Cell Radio Network Temporary Identifier
  • CS-RNTI Temporary identifier
  • Any PDCCH monitoring opportunity (pdcch-MonitoringAnyOccasions) satisfies: For DCI gap (withoutDCI-gap), for CSS and USS of Type 1 and Type 3 of dedicated RRC configuration, Monitoring occasions is in any 1 symbol of a slot, and conforms to blind Blind decoding (BD) budget (budget) restrictions; for DCI gap (withDCI-gap), for dedicated RRC configuration Type 1 and Type 3 CSS and USS, Monitroing occasions in any one symbol of a slot, However, any two C-RNTI, Modulation and coding scheme (MCS)-C-RNTI, or continuous PDCCH scrambled by CS-RNTI need to meet the gap limit and BD budget limit, where, Gap limits include: 2 symbols at 15KHz, 4 symbols at 30KHz, 7 symbols at 30KHz or Network Core Protocol (NCP), and 14 symbols at 120KHz.
  • BD blind Blind decoding
  • MCS Modulation and coding scheme
  • the PDCCH monitors any situation with a span gap (pdcch-MonitoringAnyOccasionsWithSpanGap), and determines the span pattern (span pattern) according to the (X, Y) value reported by the UE of the configuration of the Monitoring occasion of all synchronization signals (Synchronization Signal, SS), where each The span pattern of each slot is the same; the starting position of the first span of the Span pattern is the position of the first monitoring occasion of any slot, the length of the span is max ⁇ X1,Y1 ⁇ , and the length of the last span may be shorter; The starting position of the next span is the first position of the monitoring occasion not included in the previous span; among them, X1 represents the maximum value of all CORESET durations (maximum value of all CORESET durations), and Y1 represents all candidate Y reported by the terminal The minimum value of Y in the UE reported candidate value (minimum value of Y in the UE reported candidate value);
  • PDCCH monitoring can report the supported span value per Physical downlink shared channel (PDSCH) processing type (Per PDSCH processing type) and per subcarrier space (subcarrier space), and in each span Comply with corresponding BD/CCE restrictions
  • Carrier aggregation PDCCH monitoring (pdcch-MonitoringCA)
  • the terminal reports PDCCH monitoring (UE report pdcch-Monitoring)
  • Cell Type 1 Cell Type 1 (Cell Type 1) (FR1/FR2): configured as slot-based PDCCH monitoring capability;
  • Case 3 At least one scheduling cell belongs to Cell Type 1, and at least one scheduling cell belongs to Cell Type 2.
  • the UE reports separately for each supported case. At the same time, for each Case, all cells are grouped according to different PDCCH processing capabilities, and the maximum processing capability parameters are reported respectively.
  • the UE supports the (Xs, Ys) multi-slot PDCCH monitoring capability on the 480K/960KHz cell or BWP, where the time slot group contains Xs time slots, and each time slot group does not overlap and is consecutive; Ys The slots are located in the time slot groups, and the positions of the Ys slots in each time slot group are the same.
  • these monitor occasions are limited to In the Ys slots in the slot group; for Type0/0A/2-PDCCH CSS set and the CSS set of PDCCH type 1 provided by the system information block (System Information Block, SIB) 1 (Type1-PDCCH CSS set provided in SIB1) , these monitor occasions can be on any slot of the slot group.
  • SIB System Information Block
  • Xs and Ys For the values of Xs and Ys: if the subcarrier spacing (Subcarrier Spacing, SCS) is 480KHz, (4,1) is the mandatory value, (4,2) is the optional value; if the SCS is 960KHz, (8,1) is mandatory Values, (8,4), (4,2) and (4,1) are optional values.
  • SCS Subcarrier Spacing
  • the terminal supports the PDCCH monitoring capability based on the time slot group (Xs, Ys).
  • the time slot groups of different cells will partially overlap (overlapping), so the PDCCH monitoring method of this application is proposed to configure multiple serving cells in the terminal In the case of PDCCH monitoring is realized.
  • the PDCCH monitoring method provided in the embodiment of the present application includes:
  • Step 201 the terminal determines N1 first scheduling cells, and the N1 first scheduling cells are scheduling cells based on the PDCCH monitoring capability of the time slot group among the serving cells configured by the terminal;
  • Step 202 the terminal determines the time domain position of each of the first scheduling cells and the time slot group corresponding to each combination value in at least one combination value supported by the terminal;
  • Step 203 the terminal determines a target value corresponding to each of the first scheduling cells according to the time domain position and the search spaces corresponding to the N1 first scheduling cells;
  • Step 204 the terminal performs PDCCH monitoring according to the target information corresponding to each of the first scheduling cells
  • N1 is a positive integer
  • the target information includes the target value
  • the combination value includes a first value and a second value
  • the first value represents the time slots contained in non-overlapping and consecutive time slot groups number
  • the second value represents the number of time slots in which the preset search space can be configured and monitored in the time slot group
  • the target value is one of the combined values or the first value included in a combined value
  • the boundary of a time unit of the first scheduling cell is inconsistent with that of at least one scheduling cell in the serving cell configured by the terminal, and the time unit is a frame or a subframe.
  • the serving cell configured by the terminal includes multiple serving cells, and at least some of the serving cells in the multiple serving cells may be scheduling cells.
  • the serving cell configured by the terminal includes multiple serving cells including N scheduling cells in total. , N is a positive integer, and the N scheduling cells can schedule all serving cells configured by the terminal.
  • the scheduling cell may perform self-scheduling and/or cross-carrier scheduling, self-scheduling may be understood as cell A scheduling cell A, and cross-carrier scheduling may be understood as cell A scheduling cell B.
  • the above N scheduling cells may include N1 first scheduling cells, and may further include N3 second scheduling cells, where the second scheduling cells are scheduling cells other than the first scheduling cell in the serving cell configured by the terminal.
  • the cells may include a scheduling cell based on a single-slot PDCCH monitoring capability and a scheduling cell based on a symbol-level span-based PDCCH monitoring capability.
  • the inconsistency between the boundary of the time unit of the first scheduling cell and at least one scheduling cell in the serving cell configured by the terminal may be understood as that the boundary of the time unit of a first scheduling cell is inconsistent with the target scheduling cell, and the target scheduling cell
  • the cells may include at least one other first scheduling cell and at least one second scheduling cell.
  • the parameters related to the PDCCH monitoring capability based on the timeslot group may be reported by the terminal or predefined by the terminal, and the parameters related to the PDCCH monitoring capability based on the timeslot group include at least one combined value above.
  • the first value can be expressed as Xs
  • the second value can be expressed as Ys
  • the combined value can be expressed as (Xs, Ys).
  • the terminal determines the target value corresponding to each of the first scheduling cells according to the time domain position and the search space corresponding to the N1 first scheduling cells. It can be understood that the selected target value needs to satisfy the corresponding The search space is restricted, such as the first conditional restriction described below.
  • the terminal may select the target value corresponding to each first scheduling cell from at least one supported combination value based on the search space corresponding to the N1 first scheduling cells based on the time domain position, wherein the target values corresponding to different first scheduling cells may be They may be the same or different, and some of the target values corresponding to the first scheduling cells may be the same.
  • the target value may only include the first value, or may include the first value and the second value, the first value included in the determined target value may be expressed as Xs0, and the second value included in the determined target value may be expressed as Ys0, then The target value can be Xs0 or (Xs0, Ys0).
  • PDCCH monitoring may be performed on the scheduling cell based on the target value corresponding to the first scheduling cell.
  • the search space corresponding to the first scheduling cell determines the target value corresponding to each first scheduling cell, and performs PDCCH monitoring according to the target information corresponding to the first scheduling cell, and the first scheduling cell is the PDCCH monitoring based on each time slot group Ability to dispatch cells.
  • the PDCCH monitoring can be realized when the terminal is configured with multiple serving cells and the time slot groups of different cells partially overlap.
  • the terminal supports at least two combined values, there may be different target values for different first scheduling cells, so that the flexibility of PDCCH monitoring may be improved.
  • the method before the terminal determines N1 first scheduling cells, the method further includes:
  • the terminal determines the PDCCH monitoring capability type of each scheduling cell in the serving cell configured by the terminal according to the target indication information sent by the network side device;
  • the PDCCH monitoring capability type is used to determine the N1 first scheduling cells.
  • the network side device may implicitly or explicitly indicate the PDCCH monitoring capability type of each scheduling cell through the target indication information.
  • the target indication information may be used to indicate at least one of the following:
  • the subcarrier spacing on the active BWP of each serving cell configured by the terminal is configured by the terminal.
  • the target indication information indicates the PDCCH monitoring capability of each serving cell configured by the terminal or the PDCCH monitoring capability on the active bandwidth part BWP of each serving cell configured by the terminal, specifically, the PDCCH
  • the indication information of the monitoring capability indicates, for example, a certain capability indicating value indicates a time slot group-based PDCCH monitoring capability, and another capability indicating value indicates a single-slot-based PDCCH monitoring capability.
  • the target indication information does not include any capability indication value, it defaults to a specific PDCCH monitoring capability, such as a single-slot-based PDCCH monitoring capability.
  • the terminal may The relationship determines the PDCCH monitoring capability of each serving cell. For example, when the terminal runs or works on the active BWP of the 480K/960K serving cell, it defaults to the PDCCH monitoring capability based on the multi-slot group.
  • the time domain location satisfies at least one of the following:
  • the time domain position of the first time slot group of each time unit of the first scheduling cell starts from the start boundary of the time unit;
  • the time domain position of the first time slot group of each time unit of the first scheduling cell is determined based on the starting boundary of each time unit of a reference cell, and the reference cell is at least one of the serving cells configured by the terminal Scheduling district.
  • the selection method of the above-mentioned reference cell can be set according to actual needs, for example, in some embodiments, the reference cell is N2 scheduling cells among the serving cells configured from the terminal according to the first preset rule
  • the selected cell, the N2 scheduling cells include the N1 scheduling cells
  • the first preset rule includes at least one of the following:
  • the first target cell is a cell with a second subcarrier spacing among the N2 scheduling cells, and the second subcarrier spacing is the same as or has a corresponding relationship with the first subcarrier spacing.
  • the time domain position of the first time slot group in each time unit of the first scheduling cell is determined based on the start boundary of each time unit of the reference cell, the The time domain location also satisfies at least one of the following:
  • Location condition 1 for each first scheduling cell, according to the time domain offset between the first scheduling cell and the reference cell, determine the first scheduling cell and the reference cell in each of the time units
  • the first slot index of a slot that is consistent or overlapping, and the first slot index is determined as the first slot of a slot group, the first of all slot groups based on the combined value a slot index is separated from the first slot index by an integer multiple of the first value;
  • Location condition 2 for each first scheduling cell, according to the time domain offset between the first scheduling cell and the primary serving cell and the time domain offset between the reference cell and the primary serving cell, determine the relationship between the first scheduling cell and the primary serving cell
  • the first slot index of each of the time units of the reference cell is consistent or overlapped, and the second slot index is determined as the first slot group of a slot group, based on the The first slot index of all slot groups of the combined value is separated from the second slot index by an integer multiple of the first value;
  • Location condition 3 for each first scheduling cell, determine the first scheduling cell according to the third time slot index, the fourth time slot index, the subcarrier spacing of the first scheduling cell and the subcarrier spacing of the reference cell A fifth slot index consistent with or overlapping with the first slot of each time unit of the reference cell, and determining the fifth slot index as the first slot of a slot group, wherein the The third slot index is determined according to the time domain offset between the first scheduling cell and the primary serving cell, and the third slot index is each of the first scheduling cell and the primary serving cell.
  • the first time slot of the time unit is consistent or overlapped with the time slot index
  • the fourth time slot index is determined according to the time domain offset between the reference cell and the primary serving cell, and the fourth time slot index is the reference cell A time slot index that is consistent with or overlaps with the first time slot of each time unit of the primary serving cell;
  • location condition 1 can be understood as: for each cell of the N1 first scheduling cells, determine its relationship with the reference scheduling cell slot#0 according to the time domain offset from the reference scheduling cell defined by the configuration or protocol A consistent or overlapping slot index is used as the start slot of a time slot group, and the start slot index of all time slot groups based on (Xs, Ys) is separated from the slot index by an integer multiple of Xs.
  • the time domain offset with the Pcell determines the slot index 2 that is consistent with or overlaps with the Pcell slot#0; according to the slot index 1, slot index 2 and the SCSs of the two cells, it is obtained that the cell is consistent with or overlaps with the reference scheduling cell slot#0
  • the stacked slot index, as the start slot of a time slot group, is an integer multiple of Xs apart from the start slot index of all time slot groups based on (Xs, Ys).
  • the target value corresponding to the first scheduling cell satisfies at least one of the following:
  • the first value included in the target value is the largest or smallest first value included in the at least one combined value
  • the first value included in the target value is the first value included in any one combined value
  • the target value is the combination value
  • the target set includes the serving cell or the corresponding combination value when the search space configuration of the serving cell activates BWP satisfies the first preset condition.
  • the target set can be determined based on the first condition, and the time slot groups determined based on the combined values in the target set can make the search meet the first preset condition.
  • the above The target set can be understood as all the combination values that can satisfy the first preset condition among the multiple combination values supported by the terminal.
  • the preset rules include at least one of the following:
  • Rule 2 selecting the largest first value of the associated target object in the target set as the first value of the target value, and the target object includes at least one of a blind detection code and a control channel unit;
  • Rule 3 determining L1 combined values corresponding to the largest first value in the target set, and selecting the combined value with the smallest second value from the L1 combined values as the target value;
  • Rule 4 Determine the L2 combined values corresponding to the largest first value of the associated target object in the target set, and select the combined value with the smallest second value from the L2 combined values as the target value.
  • the target value is Xs0
  • rule 3 and rule 4 it can be understood that the target value is a combined value.
  • rule 3 it can be understood that first select (Xs, Ys) with the largest Xs from the target set to obtain the first intermediate set, and then select (Xs, Ys) with the smallest Yx from the first intermediate set to determine as (Xs0, Ys0).
  • the first intermediate set includes L1 combined values, and the first value of each combined value in the L1 combined values is the largest Xs.
  • rule 4 it can be understood that first select the combined value (Xs, Ys) corresponding to the first value of the largest associated target object from the target set to obtain the second intermediate set, and then select Yx from the second intermediate set The smallest (Xs, Ys) is determined as (Xs0, Ys0).
  • the second intermediate set includes L2 combined values, and the first value of each combined value in the L2 combined values is the largest Xs.
  • the monitoring rule for the terminal to perform PDCCH monitoring according to the target information corresponding to each of the first scheduling cells satisfies at least one of the following:
  • the terminal performs PDCCH monitoring in each first scheduling cell according to the target object restriction corresponding to the first scheduling cell;
  • each group conforms to the general target object restriction, and performs PDCCH monitoring under the general target object restriction;
  • the target object includes at least one of a blind detection code and a control channel unit.
  • the above-mentioned total target object limitation is performed when M or a1*M1+a2*M2 is greater than the corresponding cell capacity parameter, and the cell capacity parameter (Ncellcap) is related to the PDCCH monitoring capability type combination corresponding to the serving cell configured by the terminal
  • the M1 is the number of serving cells scheduled by a scheduling cell that does not configure a resource set pool index (CoresetPoolIndex) or configures CoresetPoolIndex but only includes one index value
  • M2 is the number of serving cells scheduled by a scheduling cell that configures CoresetPoolIndex and includes multiple index values
  • the number; a1 and a2 are values predefined by the protocol, reported by the UE, or configured by the base station.
  • the target object restriction corresponding to the first scheduling cell includes at least one of the following:
  • the terminal does not expect to monitor the candidate PDCCH (PDCCH candidate) or blind detection code on the target time slot group The number exceeds the first preset value;
  • the terminal does not expect to monitor the non-overlapping control channel elements on the target time slot group The quantity exceeds the second preset value;
  • the terminal does not expect to monitor the number of candidate PDCCHs or blind detection codes corresponding to the same control resource set pool index on the target time slot group exceeding the first default value;
  • the terminal does not expect to monitor the number of non-overlapping control channel elements corresponding to the same control resource set pool index on the target time slot group exceeding second preset value;
  • Restriction condition 5 when the first scheduling cell contains at least two control resource set pool index values, the terminal does not expect to monitor the number of candidate PDCCHs or blind detection codes on the target time slot group to exceed the first preset value R times, R is a positive integer;
  • Constraint 6 when the first scheduling cell contains at least two control resource set pool index values, the terminal does not expect to monitor the number of non-overlapping control channel elements on the target time slot group exceeding the second preset value R times, and the control resource set pool index configured by the first scheduling cell includes at least two index values;
  • the target time slot group is any time slot group including Xs0 time slots on the activated BWP of the first scheduling cell, and the Xs0 is a first value included in the target value.
  • the above restriction 1 and restriction 2 can be understood as: for each scheduled serving cell, the terminal does not expect to monitor Bmax on each time slot group containing Xs0 time slots on the active BWP of the scheduling cell PDCCH candidate/BD or Cmax non-overlapping CCEs, the scheduling cell does not configure CoresetPoolIndex or configures CoresetPoolIndex but only includes an index value, wherein Bmax is the above-mentioned first preset value, and Cmax is the above-mentioned second preset value.
  • the scheduling cell is configured with CoresetPoolIndex and includes multiple index values.
  • restriction condition 5 and restriction condition 6 it can be understood that: for each scheduled serving cell, the terminal does not expect to monitor R*Bmax PDCCH candidate/ BD or R*Cmax non-overlapping CCEs, the scheduling cell is configured with CoresetPoolIndex and includes multiple index values, and the R is a value predefined by the protocol, reported by the UE or configured by the base station.
  • the total target object restriction includes at least one of the following:
  • the terminal does not expect the number of monitoring candidate PDCCHs or blind detection codes on the first time slot set to exceed the third preset value
  • the terminal does not expect the number of non-overlapping control channel units monitored on the first time slot set to exceed the fourth preset value
  • the terminal does not expect the number of monitoring candidate PDCCHs or blind detection codes on the first time slot set to exceed the fifth preset value
  • the terminal does not expect to monitor the number of non-overlapping control channel elements on the first time slot set to exceed the sixth preset value
  • the first time slot set is the time slot with the same time domain index on the activated BWP of all the first scheduling cells in any group
  • the third preset value and the fourth preset value are based on the first scheduling time slot in the group
  • the number of serving cells scheduled by the cell and the number of serving cells scheduled by the N1 first scheduling cells are determined, and the fifth preset value and the sixth preset value are based on the number of the first serving cells and the number of the second serving cells.
  • the first serving cell is the serving cell scheduled by the first scheduling cell of the first type in the group
  • the second serving cell is the second serving cell in the group.
  • the serving cell scheduled by the first scheduling cell of the type is the serving cell scheduled by the first type of the first scheduling cell among the N1 first scheduling cells
  • the fourth serving cell is the The serving cell scheduled by the first scheduling cell of the second type in the scheduling of the N1 first scheduling cells.
  • grouping method of scheduling cells can be set according to actual needs.
  • grouping according to target information can satisfy at least one of the following:
  • the cells with the same SCS ⁇ and (Xs0, Ys0) are grouped into one group;
  • the cells with the same SCS ⁇ and Xs0 satisfying ⁇ /Xs0 or Xs0/ ⁇ are classified into one group.
  • the foregoing SCS may be the SCS of the cell carrier or the SCS of activated BWP.
  • the first type of first scheduling cell is a scheduling cell that is not configured with a control resource set pool index or contains only one control resource set pool index value;
  • the first scheduling cell of the second type is a scheduling cell including at least two control resource set pool index values.
  • At least one of the third preset value and the fourth preset value is B 1 , and B 1 satisfies:
  • B l floor(W max *T1/M), wherein W max represents the maximum number of candidate PDCCHs, blind detection codes or control channel elements monitored by the terminal, and T1 represents the number of serving cells scheduled by the first scheduling cell in the group, M represents the number of serving cells scheduled by the N1 first scheduling cells.
  • At least one of the fifth preset value and the sixth preset value is B 2 , and B 2 satisfies:
  • B 2 floor(W max *(a1*T2+a2*T3)/(a1*M1+a2*M2)), where W max represents the maximum number of candidate PDCCHs or blind detection codes monitored by the terminal, and T2 represents the T3 represents the number of the second serving cells, M1 represents the number of the third serving cells, M2 represents the number of the fourth serving cells, and a1 and a2 are constants.
  • the target information further includes subcarrier spacing.
  • the terminal performing PDCCH monitoring according to the target information corresponding to each of the first scheduling cells includes:
  • the terminal assumes that the first scheduling cell is a virtual serving cell with preset subcarrier spacing based on single-slot PDCCH monitoring capabilities;
  • the terminal performs preset grouping processing on the virtual serving cell and the second scheduling cell except the first scheduling cell among the serving cells configured by the terminal, and then performs PDCCH monitoring.
  • each serving cell with SCS of ⁇ and based on multi-slot PDCCH monitoring capability is equivalent to SCS of ⁇ ' based on single-slot PDCCH monitoring capability
  • a total of N1' virtual scheduling cells are obtained, and then the N1' virtual scheduling cells and the second scheduling cell are pre-set grouped together, and PDCCH monitoring is performed.
  • the second scheduling can also be understood as a scheduling cell based on the single-slot PDCCH monitoring capability, and ⁇ ' can be understood as the aforementioned preset subcarrier spacing.
  • the preset subcarrier satisfies at least one of the following:
  • the preset subcarriers are the subcarrier intervals stipulated in the protocol or configured by the network side equipment;
  • the preset subcarrier spacing is a quotient of the actual subcarrier spacing of the first scheduling cell and a first value included in the target value.
  • At least one of the time slot boundary, the subframe boundary and the frame boundary of the virtual serving cell is associated with at least one of the following: the time slot boundary of the corresponding first scheduling cell, the corresponding time slot boundary of the first scheduling cell
  • the subframe boundary corresponds to the frame boundary of the first scheduling cell, the corresponding time domain offset configured by the first scheduling cell, and the corresponding time domain offset between the first scheduling cell and the non-virtual scheduling cell of the preset subcarrier.
  • one time slot of the virtual serving cell includes at least one time slot group determined by the corresponding first scheduling cell.
  • the time domain offset between the virtual serving cell and the main serving cell is associated with at least one of the following:
  • the subcarrier spacing of the virtual serving cell is the subcarrier spacing of the virtual serving cell.
  • the preset grouping process includes:
  • the Q1 scheduling cell is a cell based on the second PDCCH monitoring capability type, and both P1 and Q1 are positive integers;
  • the P1 scheduling cells and the Q1 scheduling cells are respectively grouped according to subcarrier intervals.
  • each group can comply with the overall BD/CCE restriction, and PDCCH monitoring can be performed under the overall BD/CCE restriction.
  • the total BD/CCE limitation is performed when P/a1*P11+a2*P12 or Q/a1*Q11+a2*Q12 is greater than the corresponding cell capacity parameter, and the cell capacity parameter Ncellcap and the N1 virtual scheduling cells according to
  • the equivalent PDCCH monitoring capability type is related to the combination of the N-N1 scheduling cells according to the PDCCH monitoring capability type.
  • P is the number of serving cells scheduled by P1 scheduling cells
  • Q is the number of serving cells scheduled by Q1 scheduling cells
  • P11 and Q11 are groups that do not configure CoresetPoolIndex or configure CoresetPoolIndex but only contain one index value
  • P12 and Q12 are the number of serving cells scheduled by the scheduling cell configured with CoresetPoolIndex and including multiple index values.
  • the above-mentioned activated BWP is the activated BWP of the serving cell in the activated state or the first activated BWP configured by the serving cell in the inactive state
  • the above-mentioned SCS is the cell carrier, The active BWP of the serving cell or the SCS of the first active BWP configured by the serving cell in an inactive state.
  • the total target object limits the set of time slots for the packet scheduling cell (virtual time slots for the virtual scheduling cell) to satisfy at least one of the following:
  • the group schedules time slots with the same time domain index in the cell
  • the grouping schedules time slots that coincide with or overlap in the time domain of the cells.
  • the UE reports PDCCH monitoring capability information, including
  • (Xs, Ys) (8,1), (8,4), (4,2), (4,1) are supported.
  • the UE is configured with 6 serving cells, of which
  • Cell#0 is a Pcell, the SCS of which activates BWP is 120KHz, self-scheduling, PDCCH monitoring capability based on time slot;
  • Cell#1 is Scell, the SCS of which activates BWP is 480KHz, and is scheduled across carriers by Pcell;
  • Cell#2 is Scell, the SCS of which activates BWP is 480KHz, self-scheduling, and multi-slot based PDCCH monitoring capability;
  • Cell#3 is Scell, the SCS of which activates BWP is 480KHz, self-scheduling, and multi-slot-based PDCCH monitoring capability;
  • Cell#4 is a Scell, the SCS of which activates BWP is 960KHz, self-scheduling, based on multi-slot PDCCH monitoring capability;
  • Cell#5 is a Scell, the SCS of which activates BWP is 960KHz, and is scheduled by Cell#4 across carriers.
  • Cell#2 is selected as the reference scheduling cell, that is, the time slot group of Cell#2 is (0,1,2,3), (4,5,6,7)... ;
  • the time slot groups of Cell#3 are (3,4,5,6), (7,8,9,10),....
  • the time slot groups of Cell#2 and 3 all start from the subframe boundary (subframe boundary), that is, (0,1,2,3), (4,5,6,7)....
  • the UE reports PDCCH monitoring capability information, including
  • (Xs, Ys) (8,1), (8,4), (4,2), (4,1) are supported.
  • the UE is configured with 6 serving cells, among which,
  • Cell#0 is a Pcell, the SCS of which activates BWP is 120KHz, self-scheduling, PDCCH monitoring capability based on time slot;
  • Cell#1 is Scell, the SCS of which activates BWP is 480KHz, and is scheduled across carriers by Pcell;
  • Cell#2 is Scell, the SCS of which activates BWP is 480KHz, self-scheduling, and multi-slot based PDCCH monitoring capability;
  • Cell#3 is Scell, the SCS of which activates BWP is 480KHz, self-scheduling, and multi-slot-based PDCCH monitoring capability;
  • Cell#4 is a Scell, the SCS of which activates BWP is 960KHz, self-scheduling, based on multi-slot PDCCH monitoring capability;
  • Cell#5 is a Scell, the SCS of which activates BWP is 960KHz, and is scheduled by Cell#4 across carriers.
  • Cell#0 is a 120KHz cell, it is selected as a reference scheduling cell, and the time slot groups of Cell#2, 3, and 4 are determined.
  • the time slot groups of Cell#3 are (3, 4, 5, 6), (7, 8, 9, 10) . . .
  • Cell#2,3,4 is equivalent to the virtual cell Cell#2',3',4' where ⁇ ' is 120KHz, where one slot of Cell#2',3',4' contains one or more time slots group so that the equivalent frame structure coincides with or overlaps with Cell#0.
  • ⁇ ' is 120KHz
  • one slot of Cell#2',3',4' contains one or more time slots group so that the equivalent frame structure coincides with or overlaps with Cell#0.
  • 3,4,5,6) of Cell#3 corresponds to Slot#0 of Cell#3'.
  • time slot groups of Cell#2, 3, and 4 all start from the subframe boundary, that is, (0,1,2,3), (4,5,6,7)....
  • Cell#2,3,4 is equivalent to the virtual cell Cell#2',3',4' where ⁇ ' is 120KHz, where the frame boundary of Cell#2',3',4' and Cell#2,3, 4 agree.
  • the equivalent slot#0 of Cell#3' is (0,1,2,3) of Cell#3.
  • the PDCCH monitoring method provided in the embodiment of the present application may be executed by a PDCCH monitoring device.
  • the method for monitoring the PDCCH performed by the PDCCH monitoring device is taken as an example to illustrate the PDCCH monitoring device provided in the embodiment of the present application.
  • the embodiment of the present application also provides a PDCCH monitoring device.
  • the PDCCH monitoring device 500 includes:
  • the first determination module 501 is configured to determine N1 first scheduling cells, where the N1 first scheduling cells are scheduling cells based on the PDCCH monitoring capability of the time slot group among the serving cells configured by the terminal;
  • the second determination module 502 is configured to determine the time domain position of each of the first scheduling cells and the time slot group corresponding to each combination value in at least one combination value supported by the terminal;
  • the third determining module 503 is configured for the terminal to determine a target value corresponding to each of the first scheduling cells according to the time domain position and the search space corresponding to the N1 first scheduling cells;
  • a monitoring module 504 configured to perform PDCCH monitoring according to the target information corresponding to each of the first scheduling cells
  • N1 is a positive integer
  • the target information includes the target value
  • the combined value includes a first value and a second value
  • the first value represents the time slots included in non-overlapping and consecutive time slot groups number
  • the second value represents the number of time slots in which the preset search space can be configured and monitored in the time slot group
  • the target value is one of the combined values or the first value included in a combined value
  • the first scheduling cell is inconsistent with a time unit boundary of at least one scheduling cell in the serving cell configured by the terminal, and the time unit is a frame or a subframe.
  • the PDCCH monitoring device 500 further includes:
  • the third determination module is configured to determine the PDCCH monitoring capability type of each scheduling cell in the serving cell configured by the terminal according to the target indication information sent by the network side device;
  • the PDCCH monitoring capability type is used to determine the N1 first scheduling cells.
  • the target indication information is used to indicate at least one of the following:
  • the subcarrier spacing on the active BWP of each serving cell configured by the terminal is configured by the terminal.
  • the time domain location satisfies at least one of the following:
  • the time domain position of the first time slot group of each time unit of the first scheduling cell starts from the start boundary of the time unit;
  • the time domain position of the first time slot group of each time unit of the first scheduling cell is determined based on the starting boundary of each time unit of a reference cell, and the reference cell is at least one of the serving cells configured by the terminal Scheduling district.
  • the reference cell is a cell selected from N2 scheduling cells in the serving cell configured by the terminal according to a first preset rule, the N2 scheduling cells include the N1 scheduling cells, and the second A preset rule includes at least one of the following:
  • the first target cell is a cell with a second subcarrier spacing among the N2 scheduling cells, and the second subcarrier spacing is the same as or has a corresponding relationship with the first subcarrier spacing.
  • the time domain position of the first time slot group in each time unit of the first scheduling cell is determined based on the starting boundary of each time unit of the reference cell, the time domain position also satisfies the following At least one of:
  • each first scheduling cell For each first scheduling cell, according to the time domain offset between the first scheduling cell and the reference cell, determine the first time slot of each time unit between the first scheduling cell and the reference cell Consistent or overlapping first slot indices and determining the first slot index as the first slot of a slot group, the first slot indices of all slot groups based on the combined value separated from the first slot index by an integer multiple of the first value;
  • For each first scheduling cell according to the time domain offset between the first scheduling cell and the primary serving cell and the time domain offset between the reference cell and the primary serving cell, determine the time domain offset between the first scheduling cell and the reference cell
  • a second slot index that is consistent with or overlaps with the first slot of the time unit, and the second slot index is determined as the first slot of a slot group, based on the combination value
  • the first slot index of all slot groups is separated from the second slot index by an integer multiple of the first value
  • the fourth time slot index, the subcarrier spacing of the first scheduling cell and the subcarrier spacing of the reference cell determine the first scheduling cell and the reference cell
  • the first time slot of a time unit is consistent with or overlaps the fifth time slot index
  • the fifth time slot index is determined as the first time slot of a time slot group
  • the third time slot is The index is determined according to the time domain offset between the first scheduling cell and the primary serving cell
  • the third time slot index is the first time slot of each time unit between the first scheduling cell and the primary serving cell
  • the fourth time slot index is determined according to the time domain offset between the reference cell and the primary serving cell
  • the fourth time slot index is the reference cell and the primary serving cell Consistent or overlapping time slot indexes of the first time slots of each time unit of the primary serving cell;
  • the time slots whose time domain positions of the first scheduling cell and the reference cell time slot group are consistent or overlap form the time slot group of the first scheduling cell.
  • the target value corresponding to the first scheduling cell satisfies at least one of the following:
  • the first value included in the target value is the largest or smallest first value included in the at least one combined value
  • the first value included in the target value is the first value included in any one combined value
  • the target value is the combination value
  • the target set includes the serving cell or the corresponding combination value when the search space configuration of the serving cell activates BWP satisfies the first preset condition.
  • the first preset condition includes at least one of the following:
  • the monitoring time slots of the first search space group are preset in consecutive Ys time slots in the time slot group containing Xs time slots, and the Ys time slots are separated by Xs*K time slots, and K is a positive integer;
  • the span of the first time slot and the second time slot of the first search space group in all time slot groups including Xs time slots is less than or equal to Ys time slots;
  • the first time slot is the first time slot configured with monitoring opportunities
  • the second time slot is the last time slot configured with monitoring opportunities
  • Xs represents the first value in the combination value
  • Ys represents the first time slot configured with monitoring opportunities.
  • the second value in the combination of values, the first search space group is at least one preset type of search space in the serving cell or the BWP configuration activated in the serving cell.
  • the preset rules include at least one of the following:
  • the target object includes at least one of a blind detection code and a control channel unit;
  • the monitoring rule for the terminal to perform PDCCH monitoring according to the target information corresponding to each of the first scheduling cells satisfies at least one of the following:
  • the terminal performs PDCCH monitoring in each first scheduling cell according to the target object restriction corresponding to the first scheduling cell;
  • each group conforms to the general target object restriction, and performs PDCCH monitoring under the general target object restriction;
  • the target object includes at least one of a blind detection code and a control channel unit.
  • the target object restriction corresponding to the first scheduling cell includes at least one of the following:
  • the terminal does not expect to monitor the number of candidate PDCCHs or blind detection codes on the target time slot group exceeding the first default value;
  • the terminal does not expect to monitor the number of non-overlapping control channel elements on the target time slot group exceeding the second default value;
  • the terminal does not expect to monitor the number of candidate PDCCHs or blind detection codes corresponding to the same control resource set pool index on the target time slot group exceeding the first preset value;
  • the terminal does not expect to monitor the number of non-overlapping control channel elements corresponding to the same control resource set pool index on the target time slot group exceeding the second preset value;
  • the terminal does not expect to monitor the number of candidate PDCCHs or blind detection codes on the target time slot group to exceed the first preset value R times, and R is positive integer;
  • the terminal does not expect to monitor the number of non-overlapping control channel elements on the target time slot group to exceed the second preset value R times, and the The control resource set pool index configured by the first scheduling cell includes at least two index values;
  • the target time slot group is any time slot group including Xs0 time slots on the activated BWP of the first scheduling cell, and the Xs0 is a first value included in the target value.
  • the total target object restriction includes at least one of the following:
  • the terminal does not expect the number of monitoring candidate PDCCHs or blind detection codes on the first time slot set to exceed a third preset value
  • the terminal does not expect the number of non-overlapping control channel units monitored on the first time slot set to exceed a fourth preset value
  • the terminal does not expect the number of monitoring candidate PDCCHs or blind detection codes on the first time slot set to exceed the fifth preset value
  • the terminal does not expect the number of non-overlapping control channel elements monitored on the first time slot set to exceed the sixth preset value
  • the first time slot set is the time slot with the same time domain index on the activated BWP of all the first scheduling cells in any group
  • the third preset value and the fourth preset value are based on the first scheduling time slot in the group
  • the number of serving cells scheduled by the cell and the number of serving cells scheduled by the N1 first scheduling cells are determined, and the fifth preset value and the sixth preset value are based on the number of the first serving cells and the number of the second serving cells.
  • the first serving cell is the serving cell scheduled by the first scheduling cell of the first type in the group
  • the second serving cell is the second serving cell in the group.
  • the serving cell scheduled by the first scheduling cell of the type is the serving cell scheduled by the first type of the first scheduling cell among the N1 first scheduling cells
  • the fourth serving cell is the The serving cell scheduled by the first scheduling cell of the second type in the scheduling of the N1 first scheduling cells.
  • the first type of first scheduling cell is a scheduling cell that is not configured with a control resource set pool index or contains only one control resource set pool index value;
  • the first scheduling cell of the second type is a scheduling cell including at least two control resource set pool index values.
  • At least one of the third preset value and the fourth preset value is B 1 , and B 1 satisfies:
  • B l floor(W max *T1/M), wherein W max represents the maximum number of candidate PDCCHs, blind detection codes or control channel elements monitored by the terminal, and T1 represents the number of serving cells scheduled by the first scheduling cell in the group, M represents the number of serving cells scheduled by the N1 first scheduling cells.
  • At least one of the fifth preset value and the sixth preset value is B 2 , and B 2 satisfies:
  • B 2 floor(W max *(a1*T2+a2*T3)/(a1*M1+a2*M2)), where W max represents the maximum number of candidate PDCCHs or blind detection codes monitored by the terminal, and T2 represents the T3 represents the number of the second serving cells, M1 represents the number of the third serving cells, M2 represents the number of the fourth serving cells, and a1 and a2 are constants.
  • the target information further includes subcarrier spacing.
  • the monitoring module 303 is specifically configured to: for each first scheduling cell, assuming that the first scheduling cell is a virtual serving cell with preset subcarrier spacing based on single-slot PDCCH monitoring capability; After the virtual serving cell and the second scheduling cell except the first scheduling cell among the serving cells configured by the terminal perform preset grouping processing, perform PDCCH monitoring.
  • the preset subcarrier satisfies at least one of the following:
  • the preset subcarriers are the subcarrier intervals stipulated in the protocol or configured by the network side equipment;
  • the preset subcarrier spacing is a quotient of the actual subcarrier spacing of the first scheduling cell and a first value included in the target value.
  • At least one of the time slot boundary, the subframe boundary and the frame boundary of the virtual serving cell is associated with at least one of the following: the time slot boundary of the corresponding first scheduling cell, the corresponding time slot boundary of the first scheduling cell
  • the subframe boundary corresponds to the frame boundary of the first scheduling cell, the corresponding time domain offset configured by the first scheduling cell, and the corresponding time domain offset between the first scheduling cell and the non-virtual scheduling cell of the preset subcarrier.
  • one time slot of the virtual serving cell includes at least one time slot group determined by the corresponding first scheduling cell.
  • the time domain offset between the virtual serving cell and the main serving cell is associated with at least one of the following:
  • the subcarrier spacing of the virtual serving cell is the subcarrier spacing of the virtual serving cell.
  • the preset grouping process includes:
  • the Q1 scheduling cell is a cell based on the second PDCCH monitoring capability type, and both P1 and Q1 are positive integers;
  • the P1 scheduling cells and the Q1 scheduling cells are respectively grouped according to subcarrier intervals.
  • the search space corresponding to the first scheduling cell determines the target value corresponding to each first scheduling cell, and performs PDCCH monitoring according to the target information corresponding to the first scheduling cell, and the first scheduling cell is the PDCCH monitoring based on each time slot group Ability to dispatch cells.
  • the PDCCH monitoring can be realized when the terminal is configured with multiple serving cells and the time slot groups of different cells partially overlap.
  • the terminal supports at least two combined values, there may be different target values for different first scheduling cells, so that the flexibility of PDCCH monitoring may be improved.
  • the apparatus for monitoring the PDCCH in the embodiment of the present application may be an electronic device, such as an electronic device with an operating system, or a component in the electronic device, such as an integrated circuit or a chip.
  • the electronic device may be a terminal, or other devices other than the terminal.
  • the terminal may include, but not limited to, the types of terminal 11 listed above, and other devices may be servers, Network Attached Storage (NAS), etc., which are not specifically limited in this embodiment of the present application.
  • NAS Network Attached Storage
  • the PDCCH monitoring device provided in the embodiment of the present application can realize each process realized by the method embodiment in FIG. 2 and achieve the same technical effect. To avoid repetition, details are not repeated here.
  • this embodiment of the present application also provides a communication device 600, including a processor 601 and a memory 602, and the memory 602 stores programs or instructions that can run on the processor 601, such as , when the communication device 600 is a terminal, when the program or instruction is executed by the processor 601, each step of the above-mentioned PDCCH 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 N1 first scheduling cells, and the N1 first scheduling cells are serving cells configured by the terminal based on the time slot group The scheduling cell of the PDCCH monitoring capability; determine the time domain position of each of the first scheduling cell and the time slot group corresponding to each combination value in at least one combination value supported by the terminal; according to the time domain position and the The search space corresponding to the N1 first scheduling cells determines the target value corresponding to each of the first scheduling cells; the communication interface is used to perform PDCCH monitoring according to the target information corresponding to each of the first scheduling cells; where N1 is positive integer, the target information includes the target value, the combination value includes a first value and a second value, the first value represents the number of time slots included in non-overlapping and consecutive time slot groups, the The second value represents the number of time slots that can be configured and monitored in the time slot group in the preset search space, the target value is one of the combined values or the first value included in
  • FIG. 7 is a schematic diagram of a hardware structure of a terminal implementing an embodiment of the present application.
  • the terminal 700 includes, but is not limited to: a radio frequency unit 701, a network module 702, an audio output unit 703, an input unit 704, a sensor 705, a display unit 706, a user input unit 707, an interface unit 708, a memory 709, and a processor 710. At least some parts.
  • the terminal 700 may also include a power supply (such as a battery) for supplying power to various components, and the power supply may be logically connected to the processor 710 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. 7 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 704 may include a graphics processing unit (Graphics Processing Unit, GPU) 7041 and a microphone 7042, and the graphics processor 7041 is used by the image capture device (such as the image data of the still picture or video obtained by the camera) for processing.
  • the display unit 706 may include a display panel 7061, and the display panel 7061 may be configured in the form of a liquid crystal display, an organic light emitting diode, or the like.
  • the user input unit 707 includes at least one of a touch panel 7071 and other input devices 7072 .
  • the touch panel 7071 is also called a touch screen.
  • the touch panel 7071 may include two parts: a touch monitoring device and a touch controller.
  • Other input devices 7072 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 described in detail here.
  • the radio frequency unit 701 may transmit the downlink data from the network side device to the processor 710 for processing after receiving the downlink data; in addition, the radio frequency unit 701 may send uplink data to the network side device.
  • the radio frequency unit 701 includes, but is not limited to, an antenna, an amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like.
  • the memory 709 can be used to store software programs or instructions as well as various data.
  • the memory 709 may mainly include a first storage area for storing programs or instructions and a second storage area for storing data, wherein the first storage area may store an operating system, an application program or instructions required by at least one function (such as a sound playing function, image playback function, etc.), etc.
  • memory 709 may include volatile memory or nonvolatile memory, or, memory 709 may include both volatile and nonvolatile memory.
  • the non-volatile memory can be read-only memory (Read-Only Memory, ROM), programmable read-only memory (Programmable ROM, PROM), erasable programmable read-only memory (Erasable PROM, EPROM), electronically programmable Erase Programmable Read-Only Memory (Electrically EPROM, EEPROM) or Flash.
  • ROM Read-Only Memory
  • PROM programmable read-only memory
  • Erasable PROM Erasable PROM
  • EPROM erasable programmable read-only memory
  • Electrical EPROM Electrical EPROM
  • EEPROM electronically programmable Erase Programmable Read-Only Memory
  • Volatile memory can be random access memory (Random Access Memory, RAM), static random access memory (Static RAM, SRAM), dynamic random access memory (Dynamic RAM, DRAM), synchronous dynamic random access memory (Synchronous DRAM, SDRAM), double data rate synchronous dynamic random access memory (Double Data Rate SDRAM, DDRSDRAM), enhanced synchronous dynamic random access memory (Enhanced SDRAM, ESDRAM), synchronous connection dynamic random access memory (Synch link DRAM , SLDRAM) and Direct Memory Bus Random Access Memory (Direct Rambus RAM, DRRAM).
  • RAM Random Access Memory
  • SRAM static random access memory
  • DRAM dynamic random access memory
  • DRAM synchronous dynamic random access memory
  • SDRAM double data rate synchronous dynamic random access memory
  • Double Data Rate SDRAM Double Data Rate SDRAM
  • DDRSDRAM double data rate synchronous dynamic random access memory
  • Enhanced SDRAM, ESDRAM enhanced synchronous dynamic random access memory
  • Synch link DRAM , SLDRAM
  • Direct Memory Bus Random Access Memory Direct Rambus
  • the processor 710 may include one or more processing units; optionally, the processor 710 integrates an application processor and a modem processor, wherein the application processor mainly processes operations related to the operating system, user interface, and application programs, etc., Modem processors mainly process wireless communication signals, such as baseband processors. It can be understood that the foregoing modem processor may not be integrated into the processor 710 .
  • the processor 710 is configured to determine N1 first scheduling cells, and the N1 first scheduling cells are scheduling cells based on the PDCCH monitoring capability of the time slot group among the serving cells configured by the terminal; determine each The time domain position of the first scheduling cell and the time slot group corresponding to each of the at least one combination value supported by the terminal; determined according to the time domain position and the search space corresponding to the N1 first scheduling cells A target value corresponding to each of the first scheduling cells;
  • a radio frequency unit 701 configured to perform PDCCH monitoring according to the target information corresponding to each of the first scheduling cells
  • N1 is a positive integer
  • the target information includes the target value
  • the combination value includes a first value and a second value
  • the first value represents the time slots contained in non-overlapping and consecutive time slot groups number
  • the second value represents the number of time slots in which the preset search space can be configured and monitored in the time slot group
  • the target value is one of the combined values or the first value included in a combined value
  • the boundary of a time unit of the first scheduling cell is inconsistent with that of at least one scheduling cell in the serving cell configured by the terminal, and the time unit is a frame or a subframe.
  • the search space corresponding to the first scheduling cell determines the target value corresponding to each first scheduling cell, and performs PDCCH monitoring according to the target information corresponding to the first scheduling cell, and the first scheduling cell is the PDCCH monitoring based on each time slot group Ability to dispatch cells.
  • the PDCCH monitoring can be realized when the terminal is configured with multiple serving cells and the time slot groups of different cells partially overlap.
  • the terminal supports at least two combined values, there may be different target values for different first scheduling cells, so that the flexibility of PDCCH monitoring may be improved.
  • the processor 710 is further configured to: determine the PDCCH monitoring capability type of each scheduling cell in the serving cell configured by the terminal according to the target indication information sent by the network side device;
  • the PDCCH monitoring capability type is used to determine the N1 first scheduling cells.
  • the target indication information is used to indicate at least one of the following:
  • the subcarrier spacing on the active BWP of each serving cell configured by the terminal is configured by the terminal.
  • the time domain location satisfies at least one of the following:
  • the time domain position of the first time slot group of each time unit of the first scheduling cell starts from the start boundary of the time unit;
  • the time domain position of the first time slot group of each time unit of the first scheduling cell is determined based on the starting boundary of each time unit of a reference cell, and the reference cell is at least one of the serving cells configured by the terminal Scheduling district.
  • the reference cell is a cell selected from N2 scheduling cells in the serving cell configured by the terminal according to a first preset rule, the N2 scheduling cells include the N1 scheduling cells, and the second A preset rule includes at least one of the following:
  • the first target cell is a cell with a second subcarrier spacing among the N2 scheduling cells, and the second subcarrier spacing is the same as or has a corresponding relationship with the first subcarrier spacing.
  • the time domain position of the first time slot group in each time unit of the first scheduling cell is determined based on the starting boundary of each time unit of the reference cell, the time domain position also satisfies the following At least one of:
  • each first scheduling cell For each first scheduling cell, according to the time domain offset between the first scheduling cell and the reference cell, determine the first time slot of each time unit between the first scheduling cell and the reference cell Consistent or overlapping first slot indices and determining the first slot index as the first slot of a slot group, the first slot indices of all slot groups based on the combined value separated from the first slot index by an integer multiple of the first value;
  • For each first scheduling cell according to the time domain offset between the first scheduling cell and the primary serving cell and the time domain offset between the reference cell and the primary serving cell, determine the time domain offset between the first scheduling cell and the reference cell
  • a second slot index that is consistent with or overlaps with the first slot of the time unit, and the second slot index is determined as the first slot of a slot group, based on the combination value
  • the first slot index of all slot groups is separated from the second slot index by an integer multiple of the first value
  • the fourth time slot index, the subcarrier spacing of the first scheduling cell and the subcarrier spacing of the reference cell determine the first scheduling cell and the reference cell
  • the first time slot of a time unit is the same or overlaps the fifth time slot index
  • the fifth time slot index is determined as the first time slot of a time slot group
  • the third time slot is The index is determined according to the time domain offset between the first scheduling cell and the primary serving cell
  • the third time slot index is the first time slot of each time unit between the first scheduling cell and the primary serving cell
  • the fourth time slot index with the same or overlapping time slots is determined according to the time domain offset between the reference cell and the primary serving cell
  • the fourth time slot index is the reference cell and the primary serving cell Consistent or overlapping time slot indexes of the first time slots of each time unit of the primary serving cell;
  • the time slots whose time domain positions of the first scheduling cell and the reference cell time slot group are consistent or overlap form the time slot group of the first scheduling cell.
  • the target value corresponding to the first scheduling cell satisfies at least one of the following:
  • the first value included in the target value is the largest or smallest first value included in the at least one combined value
  • the first value included in the target value is the first value included in any one combined value
  • the target value is the combination value
  • the target set includes the serving cell or the corresponding combined value when the search space configuration of the serving cell activates BWP meets the first preset condition.
  • the first preset condition includes at least one of the following:
  • the monitoring time slots of the first search space group are preset in consecutive Ys time slots in the time slot group containing Xs time slots, and the Ys time slots are separated by Xs*K time slots, and K is a positive integer;
  • the span of the first time slot and the second time slot of the first search space group in all time slot groups including Xs time slots is less than or equal to Ys time slots;
  • the first time slot is the first time slot configured with monitoring opportunities
  • the second time slot is the last time slot configured with monitoring opportunities
  • Xs represents the first value in the combination value
  • Ys represents the first time slot configured with monitoring opportunities.
  • the second value in the combination of values, the first search space group is at least one preset type of search space in the serving cell or the BWP configuration activated in the serving cell.
  • the preset rules include at least one of the following:
  • the target object includes at least one of a blind detection code and a control channel unit;
  • the monitoring rule for the terminal to perform PDCCH monitoring according to the target information corresponding to each of the first scheduling cells satisfies at least one of the following:
  • the terminal performs PDCCH monitoring in each first scheduling cell according to the target object restriction corresponding to the first scheduling cell;
  • each group conforms to the general target object restriction, and performs PDCCH monitoring under the general target object restriction;
  • the target object includes at least one of a blind detection code and a control channel unit.
  • the target object restriction corresponding to the first scheduling cell includes at least one of the following:
  • the terminal does not expect to monitor the number of candidate PDCCHs or blind detection codes on the target time slot group exceeding the first default value;
  • the terminal does not expect to monitor the number of non-overlapping control channel elements on the target time slot group exceeding the second default value;
  • the terminal does not expect to monitor the number of candidate PDCCHs or blind detection codes corresponding to the same control resource set pool index on the target time slot group exceeding the first preset value;
  • the terminal does not expect to monitor the number of non-overlapping control channel elements corresponding to the same control resource set pool index on the target time slot group exceeding the second preset value;
  • the terminal does not expect to monitor the number of candidate PDCCHs or blind detection codes on the target time slot group to exceed the first preset value R times, and R is positive integer;
  • the terminal does not expect to monitor the number of non-overlapping control channel elements on the target time slot group to exceed the second preset value R times, and the The control resource set pool index configured by the first scheduling cell includes at least two index values;
  • the target time slot group is any time slot group including Xs0 time slots on the activated BWP of the first scheduling cell, and the Xs0 is a first value included in the target value.
  • the total target object restriction includes at least one of the following:
  • the terminal does not expect the number of monitoring candidate PDCCHs or blind detection codes on the first time slot set to exceed a third preset value
  • the terminal does not expect the number of non-overlapping control channel units monitored on the first time slot set to exceed a fourth preset value
  • the terminal does not expect the number of monitoring candidate PDCCHs or blind detection codes on the first time slot set to exceed the fifth preset value
  • the terminal does not expect the number of non-overlapping control channel elements monitored on the first time slot set to exceed the sixth preset value
  • the first time slot set is the time slot with the same time domain index on the activated BWP of all the first scheduling cells in any group
  • the third preset value and the fourth preset value are based on the first scheduling time slot in the group
  • the number of serving cells scheduled by the cell and the number of serving cells scheduled by the N1 first scheduling cells are determined, and the fifth preset value and the sixth preset value are based on the number of the first serving cells and the number of the second serving cells.
  • the first serving cell is the serving cell scheduled by the first scheduling cell of the first type in the group
  • the second serving cell is the second serving cell in the group.
  • the serving cell scheduled by the first scheduling cell of the type is the serving cell scheduled by the first type of the first scheduling cell among the N1 first scheduling cells
  • the fourth serving cell is the The serving cell scheduled by the first scheduling cell of the second type in the scheduling of the N1 first scheduling cells.
  • the first type of first scheduling cell is a scheduling cell that is not configured with a control resource set pool index or contains only one control resource set pool index value;
  • the first scheduling cell of the second type is a scheduling cell including at least two control resource set pool index values.
  • At least one of the third preset value and the fourth preset value is B 1 , and B 1 satisfies:
  • B l floor(W max *T1/M), wherein W max represents the maximum number of candidate PDCCHs, blind detection codes or control channel elements monitored by the terminal, and T1 represents the number of serving cells scheduled by the first scheduling cell in the group, M represents the number of serving cells scheduled by the N1 first scheduling cells.
  • At least one of the fifth preset value and the sixth preset value is B 2 , and B 2 satisfies:
  • B 2 floor(W max *(a1*T2+a2*T3)/(a1*M1+a2*M2)), where W max represents the maximum number of candidate PDCCHs or blind detection codes monitored by the terminal, and T2 represents the T3 represents the number of the second serving cells, M1 represents the number of the third serving cells, M2 represents the number of the fourth serving cells, and a1 and a2 are constants.
  • the target information further includes subcarrier spacing.
  • the radio frequency unit 701 is specifically configured to: for each first scheduling cell, assuming that the first scheduling cell is a virtual serving cell with preset subcarrier spacing based on single-slot PDCCH monitoring capability; After the virtual serving cell and the second scheduling cell except the first scheduling cell among the serving cells configured by the terminal perform preset grouping processing, perform PDCCH monitoring.
  • the preset subcarrier satisfies at least one of the following:
  • the preset subcarriers are the subcarrier intervals stipulated in the protocol or configured by the network side equipment;
  • the preset subcarrier spacing is a quotient of the actual subcarrier spacing of the first scheduling cell and a first value included in the target value.
  • At least one of the time slot boundary, the subframe boundary and the frame boundary of the virtual serving cell is associated with at least one of the following: the time slot boundary of the corresponding first scheduling cell, the corresponding time slot boundary of the first scheduling cell
  • the subframe boundary corresponds to the frame boundary of the first scheduling cell, the corresponding time domain offset configured by the first scheduling cell, and the corresponding time domain offset between the first scheduling cell and the non-virtual scheduling cell of the preset subcarrier.
  • one time slot of the virtual serving cell includes at least one time slot group determined by the corresponding first scheduling cell.
  • the time domain offset between the virtual serving cell and the main serving cell is associated with at least one of the following:
  • the subcarrier spacing of the virtual serving cell is the subcarrier spacing of the virtual serving cell.
  • the preset grouping process includes:
  • the Q1 scheduling cell is a cell based on the second PDCCH monitoring capability type, and both P1 and Q1 are positive integers;
  • the P1 scheduling cells and the Q1 scheduling cells are respectively grouped according to subcarrier intervals.
  • 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 a processor, each process of the above PDCCH monitoring method embodiment is implemented, and can achieve The same technical effects are not repeated here to avoid repetition.
  • the processor is the processor in the terminal described in the foregoing embodiments.
  • the readable storage medium includes a computer-readable storage medium, such as a computer read-only memory ROM, a random access memory RAM, a magnetic disk or an optical disk, and the like.
  • 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-mentioned PDCCH monitoring method embodiment 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.
  • An embodiment of the present application further provides a computer program product, the computer program product is stored in a storage medium, and the computer program product is executed by at least one processor to implement the various processes in the above PDCCH monitoring method embodiment, and The same technical effect can be achieved, so in order to avoid repetition, details will not be repeated here.
  • 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 make a terminal (which may be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) execute the methods described in the various embodiments of the present application.

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

Abstract

La présente demande se rapporte au domaine technique des communications, et divulgue ainsi un procédé et un appareil de surveillance de PDCCH, un terminal et un support d'enregistrement lisible. Le procédé de surveillance de PDCCH d'un mode de réalisation de la présente demande comprend les étapes suivantes : un terminal détermine N1 premières cellules de planification, les N1 premières cellules de planification étant des cellules de planification ayant une capacité de surveillance de PDCCH basée sur un groupe de créneaux temporels ; le terminal détermine la position dans le domaine temporel d'un groupe de créneaux temporels correspondant à chaque valeur composite dans au moins une valeur composite qui est prise en charge par chaque première cellule de planification et le terminal ; le terminal, selon la position de domaine temporel et un espace de recherche correspondant aux N1 premières cellules de planification, détermine une valeur cible correspondant à chaque première cellule de planification ; et le terminal, selon des informations cibles correspondant à chaque première cellule de planification, effectue une surveillance de PDCCH, des limites d'unités de temps des premières cellules de planification étant incohérentes avec la limite d'une unité de temps d'au moins une cellule de planification d'une cellule de desserte qui est attribuée au terminal, et les unités de temps étant une trame ou une sous-trame.
PCT/CN2022/143847 2021-12-31 2022-12-30 Procédé et appareil de surveillance de pdcch, terminal et support d'enregistrement lisible WO2023125913A1 (fr)

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