CN-115706968-B - PDCCH monitoring method, related equipment and readable storage medium

Abstract

The application discloses a PDCCH monitoring method, related equipment and a readable storage medium, and belongs to the technical field of communication. The PDCCH monitoring method comprises the steps that a terminal receives first information, the terminal at least supports PDCCH monitoring capability based on multiple time slots, the first information comprises at least one of search space configuration, PDCCH monitoring capability configuration, the terminal determines PDCCH monitoring capability corresponding to N cells of the terminal respectively according to the first information, N is an integer larger than 1, and the terminal monitors PDCCHs of the N cells according to the PDCCH monitoring capability corresponding to the N cells respectively.

Inventors

• LI GEN

Assignees

• 维沃移动通信有限公司

Dates

Publication Date

20260512

Application Date

20210806

Claims (20)

1. 1. The Physical Downlink Control Channel (PDCCH) monitoring method is characterized by comprising the following steps of: the terminal receives first information, wherein the terminal at least supports PDCCH monitoring capability based on multiple time slots, and the first information comprises at least one of search space configuration, PDCCH monitoring capability configuration; The terminal determines the PDCCH monitoring capability corresponding to N cells of the terminal respectively according to the first information, wherein N is an integer greater than 1, and at least one cell corresponding to the PDCCH monitoring capability based on multiple time slots exists in the N cells; The terminal monitors PDCCHs of the N cells according to the PDCCH monitoring capability respectively corresponding to the N cells; The terminal monitors PDCCHs of the N cells according to the PDCCH monitoring capability respectively corresponding to the N cells, and comprises: the terminal determines target limits corresponding to the N cells according to PDCCH monitoring capabilities respectively corresponding to the N cells, wherein the target limits comprise at least one of a limit of a time domain position of a PDCCH monitoring position, a limit of a PDCCH processing parameter, wherein the limit of the PDCCH processing parameter comprises at least one of a limit of the number of BD for blind decoding and a limit of the number of CCEs of a control channel unit; The terminal monitors PDCCHs of the N cells according to the target limits corresponding to the N cells; The N cells correspond to J cell sets, wherein J is a positive integer, and the J cell sets meet the requirements that one cell set corresponds to Z PDCCH monitoring capability types, and Z is a positive integer; under the condition that the number of cells included in a target cell set is larger than the maximum value of cell capacity parameters corresponding to the target cell set, and the cells in the target cell set correspond to PDCCH monitoring capability based on multiple time slots, the limitation of PDCCH processing parameters corresponding to the target cell set satisfies the following conditions: under the condition that cells in the target cell set correspond to PDCCH monitoring capability based on time slot groups and P cells are divided into at least one cell group based on a first rule, the sum of PDCCH processing parameters of each time slot group of each cell group accords with a first limit of PDCCH processing parameters; Wherein the P cells are cells included in the target cell set; or the P cells comprise a second virtual cell equivalent to a fourth cell of the target cell set and a fifth cell except the fourth cell in the target cell set, wherein the target cell set is any one of the J cell sets; The first rule includes: dividing cells with the same first value and subcarrier spacing SCS index into a cell group; wherein the first value comprises at least one of: the time slot group comprises the number X1 of time slots; The time offset O1 of the starting slot of the slot group; the number of configurable PDCCH monitoring positions within the slot group Y1.
2. 2. The method of claim 1, wherein the determining, by the terminal, the target limits corresponding to the N cells according to the PDCCH monitoring capabilities corresponding to the N cells, respectively, comprises: in the N cells, V cells corresponding to PDCCH monitoring capability based on multiple time slots exist, and under the condition that V is a positive integer, the terminal determines V first virtual cells equivalent to the V cells, wherein the first virtual cells correspond to PDCCH monitoring capability based on time slots or PDCCH monitoring capability based on symbol-level span; Determining target limits corresponding to the N cells according to the PDCCH monitoring capabilities corresponding to the V first virtual cells and the PDCCH monitoring capabilities corresponding to the first cells; Wherein the first cell includes other cells than the V cells among the N cells.
3. 3. The method of claim 2, wherein the terminal determines V first virtual cells equivalent to the V cells, comprising: The terminal maps the PDCCH monitoring position of the second cell to the frame structure of a third cell, wherein a first index of a subcarrier interval SCS of the third cell meets any one of the following conditions that the first index is predefined, the first index is reported by the terminal or configured by network side equipment, and the first index is equal to the ratio of a second index of SCS of the first cell to X; the terminal determines the third cell as a first equivalent cell equivalent to the second cell under the condition that the PDCCH monitoring position of the frame structure of the third cell meets a first condition; Wherein the second cell is any one of the V cells; The first condition is any one of a PDCCH monitoring capability conforming to a symbol-level span based on the first index; X satisfies at least one of the number of slots X1 included in each slot group in case the second cell corresponds to the slot group-based PDCCH monitoring capability and the number of minimum-spaced slots X2 between consecutive slot-level spans in case the second cell corresponds to the slot-level-span-based PDCCH monitoring capability.
4. 4. The method of claim 1, wherein the step of determining the position of the substrate comprises, In the case that the number of cells included in the target cell set is greater than the maximum value of the cell capacity parameter corresponding to the target cell set, and the cells in the target cell set correspond to the PDCCH monitoring capability based on multiple time slots, the limitation of the PDCCH processing parameter corresponding to the target cell set also satisfies at least one of the following: Under the condition that cells in the target cell set correspond to PDCCH monitoring capability based on a time slot group and P cells are divided into at least one cell group based on a second rule, the sum of PDCCH processing parameters of the target time slot group of each cell group accords with a first limit of PDCCH processing parameters, and the target time slot group is a time slot group corresponding to SCS with the index of the maximum value or the minimum value in the cell group; In the case that cells in the target cell set all correspond to PDCCH monitoring capability based on slot level spans, and P cells are divided into at least one cell group based on a third rule, a sum of PDCCH processing parameters of each slot level span of each cell group meets a first constraint of PDCCH processing parameters.
5. 5. The method of claim 4, wherein the second rule comprises: Dividing cells with the same second value into a cell group; Wherein the second value comprises at least one of: The ratio of the number X1 of the time slots included in the time slot group of the cell to the SCS index of the cell; the ratio of the time offset O1 of the starting slot of the slot group of the cell to the SCS index of the cell; The ratio of the number Y1 of configurable PDCCH monitoring positions in the time slot group of the cell to the SCS index of the cell.
6. 6. The method of claim 4, wherein the third rule comprises: dividing cells with the same third value and subcarrier spacing SCS index into a cell group; Wherein the third value comprises at least one of: the minimum interval time slot number X2 between the continuous time slot level spans; The maximum number of consecutive slots Y2 per slot level span.
7. 7. The method of claim 4, wherein, in the case where cells of the target set of cells each correspond to PDCCH monitoring capability based on a slot level span, and P cells are divided into at least one cell group based on a third rule, the limitation of PDCCH processing parameters corresponding to the target set of cells further satisfies at least one of: under the condition that the set of the time slots where the PDCCH monitoring positions of the first cell group are located accords with the (X2, Y2) limit, the sum of PDCCH processing parameters of each time slot level span after the first cell group is assembled accords with the first limit of PDCCH processing parameters; In the case that the set of time slots in which the PDCCH monitoring positions of the first cell group are located does not meet the (X2, Y2) constraint, the sum of the PDCCH processing parameters of the combination of any slot level spans of different cells of the first cell group meets the first constraint of the PDCCH processing parameters; The first cell group is any one cell group of the at least one cell group, X2 is the minimum interval time slot number X2 between continuous time slot level spans, and Y2 is the maximum continuous time slot number of each time slot level span.
8. 8. The method of claim 1, wherein the N cells correspond to a set of J cells, J being a positive integer; In the case that the number of cells included in the target cell set is greater than the maximum limit number corresponding to the target cell set, and the target cell set includes a first partial cell and a second partial cell, where the cells in the first partial cell correspond to a multi-slot-based PDCCH monitoring capability, and the cells in the second partial cell correspond to a slot-based PDCCH monitoring capability or a symbol-level span-based PDCCH monitoring capability, the determining, by the terminal, the target limit corresponding to the N cells according to the PDCCH monitoring capability respectively corresponding to the N cells includes: Determining a third virtual cell corresponding to the first partial cell, wherein the third virtual cell corresponds to a PDCCH monitoring capability based on a time slot or a PDCCH monitoring capability based on a symbol-level span; And determining the limitation of the PDCCH processing parameters corresponding to the target cell set according to the PDCCH monitoring capability corresponding to the third virtual cell and the PDCCH monitoring capability corresponding to the second partial cell.
9. 9. The method of claim 1, wherein the PDCCH monitoring capability corresponding to the cell is any one of: PDCCH monitoring capability corresponding to the active bandwidth part BWP of the cell; PDCCH monitoring capability of a virtual cell corresponding to a cell.
10. 10. The method of claim 1, wherein the PDCCH monitoring capability for the cell is determined based on SCS.
11. 11. The method of claim 1, wherein before the terminal receives the first information, the method further comprises: and the terminal sends second information, wherein the second information is used for indicating the PDCCH monitoring capability information of the terminal.
12. 12. The method of claim 11, wherein the PDCCH monitoring capability information comprises at least one of: First sub-information for indicating whether the terminal supports a multi-slot based PDCCH monitoring capability; The second sub-information is used for indicating whether the terminal supports different bandwidth parts of the same cell to adopt different PDCCH monitoring capabilities; Third sub-information, which is used for indicating whether the terminal supports different PDCCH monitoring capabilities corresponding to different cells; maximum of G cell capacity parameters, G being a positive integer.
13. 13. The method of claim 12, wherein the first sub-information is used to indicate at least one of: Whether the terminal supports PDCCH monitoring capability based on a time slot group; whether the terminal supports PDCCH monitoring capability based on slot-level span.
14. 14. The method of claim 13, wherein the PDCCH monitoring capability information further comprises at least one of the following if the first sub-information indicates that the terminal supports a group of time slots based PDCCH monitoring capability: the time slot group comprises the number X1 of time slots; The time offset O1 of the starting slot of the slot group; the number of configurable PDCCH monitoring positions within the slot group Y1.
15. 15. The method of claim 13, wherein the PDCCH monitoring capability information further comprises at least one of the following if the first sub-information indicates that the terminal supports PDCCH monitoring capability based on slot level span: the minimum interval time slot number X2 between the continuous time slot level spans; The maximum continuous time slot number Y2 of the time slot level span; the number M of time slots contained in the unit time corresponding to the time slot level span; the time offset O2 per unit time corresponding to the slot level span.
16. 16. The method of claim 12, wherein, in the case where the PDCCH monitoring capability information includes G cell capacity parameter maxima, the G cell capacity parameter maxima correspond to a target scenario, the target scenario comprising at least one of: At least one cell of the N cells is matched with the PDCCH monitoring capability based on the time slot, and at least one cell is matched with the PDCCH monitoring capability based on the symbol set span; The N cells are corresponding to PDCCH monitoring capability based on multiple time slots; at least one cell of the N cells corresponds to a multi-slot PDCCH monitoring capability, and at least one cell corresponds to a slot-based PDCCH monitoring capability; At least one cell of the N cells corresponds to a multi-slot PDCCH monitoring capability, and at least one cell corresponds to a PDCCH monitoring capability based on a symbol-level span; at least one cell of the N cells corresponds to a multi-slot PDCCH monitoring capability, at least one cell corresponds to a slot-based PDCCH monitoring capability, and at least one cell corresponds to a symbol-level span-based PDCCH monitoring capability.
17. 17. The method of claim 1, wherein in the case that the cell corresponds to a multi-slot based PDCCH monitoring capability, the time slot in which the PDCCH monitoring location of the cell is located satisfies at least one of: Under the condition that the cell corresponds to the PDCCH monitoring capability based on the time slot group, the time slot in which the PDCCH monitoring position of the cell is located meets a first condition; Under the condition that the cell corresponds to the PDCCH monitoring capability based on the slot level span and the mode of the slot level span is determined based on the fourth rule, the time slot where the PDCCH monitoring position of the cell is located meets the condition that the distance between the starting time slots of the continuous slot level spans is not smaller than X2 time slots, and X2 is the minimum interval time slot number between the continuous slot level spans.
18. 18. The method of claim 17, wherein the first condition comprises at least one of: within the first Y1 slots of the slot group; within consecutive Y1 slots of the slot group; The number of time slots in the time slot group is not more than Y1; Wherein Y1 is the number of configurable PDCCH monitoring positions in the time slot group.
19. 19. The method of claim 17, wherein the fourth rule, in the case where the slot level span corresponds to Q unit times, Q being an integer greater than 1, comprises at least one of: In a first unit time, the starting position of a first time slot level span is a first time slot in the first unit time, wherein the first time slot is a first time slot provided with a PDCCH monitoring position in the first unit time, the starting position of an (i+1) th time slot level span is a second time slot provided with a PDCCH monitoring position and different from the first time slot of the (i) th time slot level span, and the maximum length of the time slot level span is Y2 time slots; In a first unit time, the starting position of a first time slot level span is a third time slot in the first unit time, the index number of the third time slot is the same as the index number of a fourth time slot, and the fourth time slot is the time slot with the minimum index in the time slots with PDCCH monitoring positions configured in the Q unit time; the first unit time is any one unit time of the Q unit times, Y2 is the maximum continuous time slot number of the time slot level span, and i is a positive integer.
20. 20. The method of claim 1, wherein, in the case that the cell corresponds to a multi-slot based PDCCH monitoring capability, the symbol in which the PDCCH monitoring location of the cell is located satisfies at least one of: the symbol where the PDCCH monitoring position of the cell is located meets a second condition; and under the condition that the mode of the symbol level span is determined based on a fifth rule, the symbol where the PDCCH monitoring position of the cell is located is that the distance between the starting symbols of the continuous symbol level spans is not smaller than X 'symbols, and X' is a positive integer.

Description

PDCCH monitoring method, related equipment and readable storage medium Technical Field The application belongs to the technical field of communication, and particularly relates to a PDCCH monitoring method, related equipment and a readable storage medium. Background The increase of the subcarrier spacing (Subcarrier Spacing, SCS) results in a reduced granularity of symbols (symbol) and slots (slot) when the New air interface (New Radio, NR) is operated at high frequency, which results in a higher complexity of terminal implementation if the physical downlink control channel (Physical Downlink Control Channel, PDCCH) monitoring capability is defined in terms of granularity of a single slot (per slot) or a single span (per span comprising a plurality of symbols). Disclosure of Invention The embodiment of the application provides a PDCCH monitoring method, related equipment and a readable storage medium, which can solve the problem of higher complexity of terminal implementation. In a first aspect, a PDCCH monitoring method is provided, the method comprising: the terminal receives first information, wherein the terminal at least supports PDCCH monitoring capability based on multiple time slots, and the first information comprises at least one of search space configuration, PDCCH monitoring capability configuration; The terminal determines the PDCCH monitoring capability respectively corresponding to N cells of the terminal according to the first information, wherein N is an integer greater than 1; And the terminal monitors PDCCHs of the N cells according to the PDCCH monitoring capability respectively corresponding to the N cells. In a second aspect, a PDCCH monitoring method is provided, the method comprising: the network side equipment sends first information, wherein the first information comprises at least one of search space configuration and PDCCH monitoring capability configuration. In a third aspect, a PDCCH monitoring apparatus is provided, the PDCCH monitoring apparatus comprising: The first receiving module is used for receiving first information, wherein the terminal at least supports PDCCH monitoring capability based on multiple time slots, and the first information comprises at least one of search space configuration, PDCCH monitoring capability configuration; The first determining module is used for determining the PDCCH monitoring capability respectively corresponding to N cells of the terminal according to the first information, wherein N is an integer greater than 1; and the monitoring module is used for monitoring the PDCCHs of the N cells according to the PDCCH monitoring capability respectively corresponding to the N cells. In a fourth aspect, there is provided a PDCCH monitoring apparatus comprising: and the second sending module is used for sending first information, wherein the first information comprises at least one of search space configuration and PDCCH monitoring capability configuration. In a fifth aspect, there is provided a terminal comprising a processor, a memory and a program or instruction stored on the memory and executable on the processor, the program or instruction when executed by the processor implementing the steps of the method according to the first aspect. In a sixth aspect, there is provided a network side device comprising a processor, a memory and a program or instruction stored on the memory and executable on the processor, the program or instruction when executed by the processor implementing the steps of the method according to the second aspect. In a seventh aspect, a terminal is provided, including a processor and a communication interface, where: the communication interface is used for: Receiving first information, wherein the terminal at least supports PDCCH monitoring capability based on multiple time slots, and the first information comprises at least one of search space configuration, PDCCH monitoring capability configuration; The processor is configured to: According to the first information, determining the PDCCH monitoring capability respectively corresponding to N cells of the terminal, wherein N is an integer greater than 1; And monitoring PDCCHs of the N cells according to the PDCCH monitoring capability respectively corresponding to the N cells. In an eighth aspect, a network side device is provided, including a processor and a communication interface, where the communication interface is configured to: And transmitting first information, wherein the first information comprises at least one of search space configuration and PDCCH monitoring capability configuration. In a ninth aspect, there is provided a readable storage medium having stored thereon a program or instructions which when executed by a processor, performs the steps of the method according to the first aspect or performs the steps of the method according to the second aspect. In a tenth aspect, there is provided a chip comprising a processor and a communication interface, the commun