WO2021204231A1 - Information determination method and apparatus, device, and storage medium - Google Patents

Abstract

Provided in the present application are an information determination method and apparatus, a device, and a storage medium, wherein the information determination method comprises: determining a span pattern between multiple cells of a candidate information pair of a subcarrier spacing; and on the basis of the span pattern, determining a first value of each span, wherein the first value is an upper limit M_total of the number of physical downlink control channel candidate sets or an upper limit C_total of the number of non-overlapping control channel units of a subcarrier spacing, or an upper limit M_total of the number of physical downlink control channel candidate sets or an upper limit C_total of the number of non-overlapping control channel units of a candidate information pair of a subcarrier spacing, and the span pattern between multiple cells is span alignment or span misalignment.

Description

Information determination method, device, equipment and storage medium Technical field

This application relates to a wireless communication network, for example, to a method, device, device, and storage medium for determining information.

Background technique

The current fourth-generation mobile communication technology (4G, the 4th Generation mobile communication technology), long-term evolution (LTE), long-term evolution (LTE-Advance/LTE-A, Long-Term Evolution Advance) and the fifth The 5th Generation mobile communication technology (5G, the 5th Generation mobile communication technology) is facing more and more demands. Judging from the current development trend in the field of wireless communications, the industry is increasingly devoting more energy to the field of 4G and 5G systems. Research and support technologies for enhancing mobile bandwidth, ultra-high reliability, ultra-low latency, and massive connections.

In order to support the characteristics of ultra-high reliability and ultra-low delay transmission, it is necessary to transmit at a lower code rate through a short transmission time interval. The short transmission time interval can be a single or several OFDM (Orthogonal Frequency Division Multiplexing, orthogonal Frequency division multiplexing) symbols. For the Physical Downlink Control channel (PDCCH), related technologies provide opportunities for multiple monitoring opportunities in the time slot to reduce the waiting time after data arrives and ensure low-latency transmission. In the current New Radio (NR) system, it is necessary to determine the maximum number of supported PDCCH candidate sets and the maximum number of non-overlapping control channel elements.

Summary of the invention

This application provides a method, device, equipment, and storage medium for determining information.

The embodiment of the present application provides an information determination method, which includes:

Determine the span mode between each cell of a candidate information pair for a subcarrier spacing;

The first value of each span is determined based on the span mode; wherein the first value is the upper limit M_total of the number of physical downlink control channel candidate sets with a subcarrier spacing and/or the upper limit C_total of the number of non-overlapping control channel units, Or the upper limit of the number of physical downlink control channel candidate sets M_total or the upper limit of the number of non-overlapping control channel units C_total of a candidate information pair with a subcarrier spacing;

Among them, the span mode between the cells is span-aligned or span-unaligned.

An embodiment of the present application provides an information determining device, which includes:

A distribution determining module, which is used to determine a span mode between cells of a candidate information pair for a subcarrier spacing;

A quantity determining module, configured to determine the first value of each span based on the span mode;

Wherein, the first value is the upper limit M_total of the number of physical downlink control channel candidate sets for a subcarrier interval and/or the upper limit C_total for the number of non-overlapping control channel units, or the physical downlink control of a candidate information pair for a subcarrier interval The upper limit of the number of channel candidate sets M_total or the upper limit of the number of non-overlapping control channel units C_total;

Among them, the span mode between the cells is span-aligned or span-unaligned.

An embodiment of the present application provides a device, which includes:

One or more processors;

Memory, used to store one or more programs;

When the one or more programs are executed by the one or more processors, the one or more processors implement the method as described in any of the embodiments of the present application.

The embodiment of the present application provides a computer-readable storage medium on which a computer program is stored, and the program is executed by a processor to implement the method described in any of the embodiments of the present application.

Description of the drawings

FIG. 1 is a cell span pattern of a candidate information pair for a subcarrier spacing provided by an embodiment of the present application;

FIG. 2 is a pattern of cell spans of a candidate information pair of another seed carrier interval provided by an embodiment of the present application;

FIG. 3 is a flowchart of an information determination method provided by an embodiment of the present application;

FIG. 4 is a flowchart of an information determination method provided by an embodiment of the present application;

FIG. 5 is a cell span pattern of a candidate information pair for another seed carrier interval provided by an embodiment of the present application;

FIG. 6 is a cell span pattern of a candidate information pair for another seed carrier interval provided by an embodiment of the present application;

FIG. 7 is a pattern of cell spans of a candidate information pair of another seed carrier interval provided by an embodiment of the present application;

FIG. 8 is a cell span pattern of a candidate information pair for another seed carrier interval provided by an embodiment of the present application;

FIG. 9 is a cell span pattern of a candidate information pair for another seed carrier interval provided by an embodiment of the present application;

FIG. 10 is a pattern of cell spans of a candidate information pair for another seed carrier interval provided by an embodiment of the present application;

FIG. 11 is a cell span pattern of a candidate information pair for another seed carrier interval provided by an embodiment of the present application;

FIG. 12 is a pattern of cell spans of a candidate information pair for another seed carrier interval provided by an embodiment of the present application;

FIG. 13 is a schematic structural diagram of an information determining apparatus provided by an embodiment of the present application;

FIG. 14 is a schematic structural diagram of a device provided by an embodiment of the present application.

Detailed ways

Hereinafter, the embodiments of the present application will be described in detail with reference to the accompanying drawings. It should be noted that the embodiments in the application and the features in the embodiments can be combined with each other arbitrarily if there is no conflict.

In the current NR system, the maximum number of detected PDCCH (physical downlink control channel) candidate sets and the maximum number of non-overlapping control channel elements (CCE) that the terminal needs to support are for each subcarrier interval in each slot ( Time slots) are defined separately, as shown in Table 1, where μ = 0, 1, 2, 3 respectively represent 15KHz, 30KHz, 60KHz, and 120KHz sub-carrier spacing. The maximum number of candidate sets and the maximum number of non-overlapping control channel elements CCE in each carrier in each time slot are shown in Table 1:

Table 1. The maximum number of candidate sets and the number of CCEs in each carrier in each slot

In the carrier aggregation scenario, the maximum number of candidate sets and the maximum number of non-overlapping CCEs supported by the terminal does not always increase linearly with the increase in the number of aggregated carriers, and the number of carriers reported by the terminal

Support capacity limitations. If the terminal is configured

Downlink carriers, when

When the maximum number of candidate sets and the maximum number of non-overlapping CCEs in each slot for each subcarrier spacing are

with

When the enhanced terminal monitoring PDCCH capability is introduced, the candidate information pair Combination (X, Y) reported by the UE, the maximum number of detected PDCCH candidate sets and the maximum number of non-overlapping CCEs supported by the terminal, are for some sub-carrier spacing in each span And according to the candidate information pair Combination (X, Y) is defined, as shown in Table 2, where μ = 0, 1 respectively represent 15KHz, 30KHz sub-carrier spacing; among them, the candidate information pair (X, Y) has (2 ,2),(4,3),(7,3); among them, the values in Table 2 are only examples, and other values are not excluded.

Table 2 The maximum number of candidate sets and the number of CCEs in each carrier for each span and according to the candidate information pair (X, Y)

Similarly, in the carrier aggregation scenario, if the terminal is configured to support enhanced PDCCH monitoring capabilities of the terminal

A downlink carrier, the number of carriers that are reported by the terminal to support the enhancement of the terminal's ability to monitor PDCCH

Support capacity limitation, when

For each sub-carrier interval, the maximum number of candidate sets and maximum number of non-overlapping CCEs in each span of each combination (X, Y) are respectively

with

However, for supporting enhanced terminal monitoring PDCCH capabilities, in the carrier aggregation scenario, when the terminal is limited by the number of carriers reported by the terminal, the maximum candidate of each type of sub-carrier spacing and each type of candidate information pair combination (X, Y) in each span The number of sets and the maximum number of non-overlapping CCEs are respectively

with

For N CCs (component carrier component carriers, which can also be understood as cells) with the same seed carrier interval and the same combination (X, Y), when the spans in the N cells are aligned, select the N cells separately Align the span and sum the number of candidate sets and the number of non-overlapping CCEs satisfy

with

When the spans in N CCs are not aligned, how to select spans in N cells and sum the number of candidate sets and the number of non-overlapping CCEs

with

Need to be resolved.

As shown in Figure 1, the spans in N=3 cells are aligned. Taking the calculation of the maximum number of non-overlapping CCEs as an example, each span is calculated as the maximum of a kind of subcarrier spacing and a kind of candidate information pair combination (X, Y) The number of non-overlapping CCEs is C_total, that is

Then select the aligned spans in each CC and sum the number of non-overlapping CCEs to satisfy CC1_span1+CC2_span1+CC3_span1≤C_total, CC1_span2+CC2_span2+CC3_span2≤C_total; CC1_span3+CC2_span3+CC3_span3≤C_total. However, as shown in Figure 2, the spans in N=2 cells are not aligned. At this time, the calculation of the maximum number of non-overlapping CCEs is still taken as an example. Then, for each span, a kind of subcarrier spacing and a kind of candidate information pair combination (X, The maximum number of non-overlapping CCEs in Y) is C_total, then select the span in each cell and sum the number of non-overlapping CCEs. When the sum of the number of non-overlapping CCEs meets C_total, how to select needs to be solved. For example, CC1_span1+CC2_span1≤C_total, CC1_span2+CC2_span2≤C_total, or CC1_span1+CC1_span2+CC2_span1≤C_total, it is not yet determined how to select the span to sum to determine the number of non-overlapping CCEs when the spans are not aligned.

For the R16 Ultra Reliable Low Latency Communication (URLLC) terminal, this is just an example, not limited to this, compared to the R15 terminal, the maximum number of blind detection threshold (Maximum number of Blind Decode, referred to as BD threshold) and /Or the maximum number of non-overlapping CCEs for channel estimation (CCE threshold) for channel estimation, and define the BD threshold for Combination (X, Y) at the granularity of the span (ie

), CCE threshold (ie

). The following only takes the CCE threshold as an example for description. Similarly, the BD threshold is also applicable to the following methods.

A method for determining the span is as follows: the UE reports the candidate information pair (X, Y) set, the PDCCH control resource set (CORESET) and the search space to determine each span pattern in the time slot. Among them, no overlap between spans is allowed, and the interval between the start points of two spans is not less than X symbols. Span duration = Maximum (the configured maximum CORESET duration, the minimum Y reported by the UE), and only the last span in the span pattern can be the shorter duration. The number of spans does not exceed floor(14/X). The optional (X, Y) includes at least one of the following: (2, 2), (4, 3), (7, 3). The optional (X, Y) set of UE reporting candidates includes at least one of the following: {(7,3), (4,3) and (7,3), (2,2) and (4,3)and (7,3)}.

In the carrier aggregation scenario, if the terminal is configured to support the enhancement of the terminal's ability to monitor PDCCH

A downlink carrier, the number of carriers that are reported by the terminal to support the enhancement of the terminal's ability to monitor PDCCH

Support capacity limitation, when

When, for N cells with the same seed carrier interval and the same combination (X, Y), when the spans in the N cells are aligned, the aligned spans are selected from the N cells and the number of non-overlapping CCEs is summed to satisfy

That is, the maximum number of non-overlapping CCEs in each span of each combination (X, Y) for each sub-carrier interval, which is

When the spans in N cells are not aligned, the following embodiments are used to solve how to select spans in N cells and sum the number of non-overlapping CCEs to satisfy C_total and the upper limit of the number of physical downlink control channel candidate sets M_total.

FIG. 3 is a flowchart of an information determination method provided by an embodiment of the present application. This embodiment is applicable to a situation where information is determined when the spans are not aligned. The method may be executed by the information determination apparatus in the embodiment of the present application. It can be implemented by software and/or hardware, and generally can be integrated in a communication device. The method of the embodiment of the present application specifically includes the following steps:

Step 101: Determine a span pattern between cells of a candidate information pair for a subcarrier interval, where the span pattern between the cells is span aligned or span misaligned.

Wherein, the span mode may be a distribution state of the span of each cell in the subcarrier interval, which may be aligned or unaligned. Therefore, the span mode may include span alignment and span misalignment. For example, see FIG. 1 as an example. A span distribution state in which the spans are aligned is shown, and Fig. 2 shows a span distribution state in which the spans are not aligned.

Step 102: Determine a first value of each span based on the span mode; where the first value is the upper limit M_total of the number of physical downlink control channel candidate sets with a subcarrier spacing or the upper limit C_total of the number of non-overlapping control channel units Or, the upper limit of the number of physical downlink control channel candidate sets M_total or the upper limit of the number of non-overlapping control channel units C_total of a candidate information pair for a subcarrier interval.

Specifically, the first value of each span is determined according to the span distribution state. The first value of each span obtained by different span distribution states may be different, and the first value may include a physical downlink control channel with a subcarrier spacing The upper limit of the number of candidate sets M_total or the upper limit of the number of non-overlapping control channel elements C_total, or the upper limit of the number of physical downlink control channel candidate sets M_total or the upper limit of the number of non-overlapping control channel elements C_total of a candidate information pair with a subcarrier spacing.

In this embodiment of the application, the first value of the corresponding span including M_total or C_total is determined according to the span mode, and different M_total or C_total are obtained according to different alignment modes, so as to avoid repeated combinations of different spans in different carriers to determine whether the sub-value is exceeded. The maximum number of candidate sets of carrier spacing and the maximum number of non-overlapping CCEs reduce the processing complexity of communication equipment such as base stations and terminals.

Further, on the basis of the above-mentioned application embodiment, the determining the first value of each span based on the span mode includes:

The span mode between the cells is determined to be span misalignment, and the first value of each time slot is determined based on the time slot level.

Specifically, when the span of each cell of a subcarrier interval is in a state where the span is not aligned, the first value may not be obtained at the span level, and the first value of each time slot is determined at the time slot level as the first value corresponding to the span. Value.

Further, on the basis of the foregoing application embodiment, determining the span between the cell spans as span misalignment, and determining the first value of each time slot based on the time slot level includes:

To determine the second value of a candidate information pair for a subcarrier interval, the determination method includes one of the following:

Is G times the third value, and G is a positive integer; is P times the fourth value, and P is a positive integer; wherein, the second value is a value determined according to the third value or the fourth value The number threshold M_max of the physical downlink control channel candidate sets and the threshold C_max of the number of non-overlapping control channel elements in each cell in each time slot of the seed carrier interval; wherein, the third value is each time slot of a sub-carrier interval. The physical downlink control channel candidate set number threshold M_max and the non-overlapping control channel unit number threshold C_max of each cell; wherein, the fourth value is a subcarrier spacing of a candidate information pair for each span of each cell’s physical Downlink control channel candidate set number threshold M_max and non-overlapping control channel unit number threshold C_max.

Among them, the candidate information pair can be combination (X, Y), which can be obtained from the information reported by the UE.

Specifically, the method for determining the first value of each time slot at the time slot level may be by using a subcarrier interval and a second value of a candidate information pair as the first value. The second value can be G times the third value, and the third value is a threshold M_max for the number of physical downlink control channel candidates and a threshold C_max for the number of non-overlapping control channel elements in each slot of a subcarrier interval. ; The second value can also be P times the fourth value. The fourth value is a candidate information pair for a subcarrier spacing. The number of physical downlink control channel candidate sets for each cell in each span is the threshold M_max and non- The threshold C_max for the number of overlapping control channel units.

Further, on the basis of the above application embodiment, determining that the span mode between cells is span misalignment, and determining the first value based on the time slot level includes one of the following:

The cell span patterns of all candidate information pairs of one subcarrier interval are span misaligned; the cell span patterns of at least one candidate information pair of one subcarrier interval are span misaligned.

Specifically, when the first value of each time slot is determined based on the time slot level, it can be that the span mode of the cell span of all candidate information pairs in the subcarrier interval is that the span is not aligned, or, it can also be one In the seed carrier interval, the cell span of some candidate information pairs is span-aligned, and the cell span of some candidate information pairs is span-unaligned.

Further, on the basis of the foregoing application embodiment, the method for determining the value of P includes one of the following:

Determined according to the ratio of the number of orthogonal frequency division multiplexing symbols included in a time slot to the first element in the candidate information pair; according to the number of orthogonal frequency division multiplexing symbols included in a time slot and the second element in the candidate information pair The ratio of is determined; it is determined according to the fourth value of at least one candidate information pair.

Specifically, when determining the second value, it can be determined by P and the fourth value, and the value of P can include multiple types, which can be based on the number of orthogonal frequency division multiplexing symbols included in a time slot and the pair of candidate information. The ratio of the first element in the candidate information pair may also be determined based on the ratio of the number of orthogonal frequency division multiplexing symbols included in a time slot to the second element in the candidate information pair, and it may also be determined based on the fourth element of the at least one candidate information pair. To determine the value, the fourth value of each candidate information pair may be weighted according to the number of different candidate pairs to determine a weighted average value as the value of P.

In an exemplary embodiment, in a carrier aggregation scenario, if the terminal is configured to support the enhanced PDCCH monitoring capability of the terminal

A downlink carrier, the number of carriers that are reported by the terminal to support the enhancement of the terminal's ability to monitor PDCCH

Support capacity limitation, when

When, for N cells with the same seed carrier interval and the same combination (X, Y), when the spans in the N cells are aligned, the aligned spans are selected from the N cells and the number of non-overlapping CCEs is summed. The sum of the number of non-overlapping CCEs satisfies

That is, the maximum number of non-overlapping CCEs in each span for each combination (X, Y) of each subcarrier interval

pass through

Sure. When the spans in N cells are not aligned, select all spans of each cell to determine the maximum number of non-overlapping CCEs in each slot at the time slot level

able to pass

Sure.

The first value is determined for the span mode in FIG. 2, at this time CC1_span1+CC1_span2+CC2_span1+CC2_span2≤C_total.

Further, C_total is the above

That is, the maximum number of non-overlapping CCEs in each slot when a subcarrier spacing is in a candidate information pair (X, Y).

Further, the second value of each span for one type of subcarrier interval and one type of candidate information is determined by one of the following methods: Method 1.

That is, in the NR Rel-15 standard, the maximum number of non-overlapping CCEs for each cell and each time slot in a subcarrier interval in the NR Rel-15 standard is valued. For example, at 15KHz, the second value can be 56;

Where G is a value greater than 1, and G=2 is optional, which is 2 times the maximum number of non-overlapping CCEs per time slot per cell for a subcarrier interval in NR Rel-15. For example, at 15KHz, the first The second value can be 112; the third method is the threshold of the number of physical downlink control channel candidate sets in each cell for each span of a candidate information pair of a subcarrier spacing

Recalculated, namely:

Optional,

or

in,

Indicates the number of OFDM symbols contained in a slot.

Further, when all candidate information pairs (X, Y) in the same seed carrier interval are non-aligned spans, then different candidate information pairs (X, Y) are no longer distinguished in the same seed carrier interval and the maximum value of each time slot is calculated. Value of the number of non-overlapping CCEs, uniformly calculate the maximum number of non-overlapping CCEs per time slot of the same seed carrier, the maximum number of non-overlapping CCEs per time slot of a subcarrier can be passed

Sure. Further, the maximum number of non-overlapping CCEs per time slot in each cell

Determined for one of the following methods: Method one,

That is, the maximum number of non-overlapping CCEs per time slot in each cell in NR Rel-15 is taken, for example, at 15KHz, the second value is 56; way two:

Where G is a value greater than 1, optional G=2, which is twice the value of the maximum number of non-overlapping CCEs per cell per slot in NR Rel-15, for example, at 15KHz, it is 112;

Recalculated, can be determined by the following formula:

In an optional way, the f(x) function can be specifically passed

or

accomplish.

In the embodiment of this application, the maximum number of candidate sets and the maximum number of non-overlapping CCEs for a subcarrier interval are determined for each span for the aligned span, and the maximum number of candidate sets for a subcarrier interval and the maximum number of candidate sets for a subcarrier interval are determined for each time slot for the non-aligned span. The maximum number of non-overlapping CCEs avoids separately combining different spans in different carriers to check whether the maximum number of candidate sets and the maximum number of non-overlapping CCEs exceed the sub-carrier spacing, and reduces the processing complexity of the base station and the terminal.

Fig. 4 is a flow chart of a method for determining information provided by an embodiment of the present application. The embodiment of the present application is embodied on the basis of the above-mentioned application embodiment. Referring to Fig. 4, the information determining method of the embodiment of the present application includes:

Step 201: Determine a span pattern between cells of a candidate information pair for a subcarrier interval.

Step 202: Determine that the span mode between the cells is a span misalignment, and group the spans of each cell of a candidate information pair for a subcarrier interval.

Step 203: For each group, determine a span set and the fifth value in any span set is not greater than the first value; wherein, the fifth value is the physical downlink control channel of each span in a span set The sum of the number of candidate sets, or the sum of the number of non-overlapping control channel units of each span in a span set.

In this embodiment of the application, the first value of the corresponding span including M_total or C_total is determined according to the span mode, and different M_total or C_total is obtained by grouping when the spans are not aligned, so as to avoid repeated combinations of different spans in different carriers to determine whether the value exceeds this The maximum number of candidate sets of subcarrier spacing and the maximum number of non-overlapping CCEs reduce the processing complexity of communication equipment such as base stations and terminals.

Further, on the basis of the above application embodiment, the method for determining the span set includes one of the following:

A span of any cell and the spans of other cells respectively form a span set, and each cell in each span set can select at most one span; all the spans of all cells form a span set.

Wherein, the span set may be composed of the span of the sum of the number of physical downlink control channel candidate sets or the sum of the number of non-overlapping control channel units in the group.

Specifically, any span of a cell in a group and any spans in other cells may be separately formed into a span set, or all the spans of all cells in the group may be formed into a span set.

Further, on the basis of the foregoing application embodiment, the grouping of the span of a candidate information pair of a subcarrier interval includes:

The reference cell in the subcarrier interval is determined, the target span in the reference cell is selected according to the time sequence, and the grouping is determined according to the target span.

In the embodiment of the present application, grouping can be performed by selecting reference cells, the target spans in the reference cells can be selected in chronological order, and the sequence spans and the target spans in other cells can be divided into the same group.

Further, on the basis of the foregoing application embodiment, the reference cell includes at least one of the following: a cell with the largest number of spans; a cell with the smallest cell index; and a cell with the longest span.

Specifically, the cell with the largest number of spans can be selected as the reference cell, or the cell with the smallest cell index can be selected as the reference cell. For example, when the primary serving cell PCell exists, since the cell index of the PCell is 0, the PCell can be selected as Reference cell, when there is no primary serving cell, the cell with the smallest cell index is selected as the reference cell.

In an exemplary embodiment, in a carrier aggregation scenario, if the terminal is configured to support enhanced PDCCH monitoring capabilities of the terminal

A downlink carrier, the number of carriers that are reported by the terminal to support the enhancement of the terminal's ability to monitor PDCCH

Support capacity limitation, when

When, for a kind of subcarrier spacing and a kind of candidate information pair (X, Y) of N cells, when the spans in the N cells are not aligned, select the set of spans across CCs from the N cells and sum them The number of non-overlapping CCEs meets

The maximum number of non-overlapping CCEs of each type (X, Y) in each span per sub-carrier interval passes

Sure. When the spans in N cells are selected and the number of non-overlapping CCEs is summed to satisfy C_total, the span set set of spans across CCs is selected on each cell in chronological order.

Optionally, select the cell with the largest number of spans or the cell with the smallest cell index as the reference cell, or select the cell with the longest span duration as the reference cell. If two cells have the largest number of spans at the same time, choose arbitrarily One is to select the cell with the smallest carrier index or the cell with the largest carrier index, select 1 span in chronological order on the reference cell, and select 1 span combination on each other cell in chronological order as the grouping. Select the set of spans across CCs in the grouping. Each span of each cell belongs to only one set of spans across CCs. When all the spans of a cell are combined, they will not participate in the combination.

For the span distribution shown in Figure 2, CC1_span1 and CC2_span1 are the number of non-overlapping control channel units of the span of a set of spans across CCs, which must satisfy CC1_span1+CC2_span1≤C_total; CC1_span2 and CC2_span2 are a set of spans The number of non-overlapping control channel units in the span of set of spans across CCs must satisfy CC1_span2+CC2_span2≤C_total.

For the span distribution shown in Figure 5, at this time CC1_span1 and CC2_span1 are the number of non-overlapping control channel units of the span of a set of spans across CCs, which must satisfy CC1_span1+CC2_span1≤C_total; CC1_span2 and CC2_span2 are one. Set of spans across CCs must satisfy CC1_span2+CC2_span2≤C_total; CC1_span3 and CC2_span3 are a set of spans across CCs, which must satisfy CC1_span3+CC2_span3≤C_total.

In this embodiment of the application, the maximum number of candidate sets and the maximum number of non-overlapping CCEs for a subcarrier interval are determined for each span for the alignment span, and for non-aligned spans, a span set of spans across CCs is selected in chronological order on each cell Determine the maximum number of candidate sets and the maximum number of non-overlapping CCEs for a subcarrier interval according to each span, and avoid combining different spans in different carriers to check whether the maximum number of candidate sets and the maximum number of non-overlapping CCEs for the subcarrier interval are exceeded. Reduce the processing complexity of base stations and terminals.

Further, on the basis of the above application embodiment, the grouping of the span of a candidate information pair of a subcarrier interval includes:

Divide the orthogonal frequency division multiplexing symbols contained in a time slot according to the threshold number of symbols or the grouping pattern configured by high-level signaling to generate packets; divide the span into groups according to the orthogonal frequency division multiplexing symbols included in the span Corresponding grouping.

Among them, the number of threshold symbols can be divided into the number of symbols in the subcarrier interval, and a time slot can be divided into different groups according to the number of threshold symbols. The grouping pattern can be a pattern after a time slot is grouped, and it can be configured by high-level signaling. For example, when the number of groups in the grouping pattern is 4, each grouping includes (4, 3, 4, 3) respectively OFDM symbols, or when the number of groups in the grouping pattern is 6, each group includes (3, 2, 2, 2, 2, 3) OFDM symbols. The above description is only an example and is not limited.

Further, on the basis of the above application embodiment, the method for determining the number of threshold symbols includes at least one of the following:

Determined according to the first element of the candidate information pair; determined according to the second element of the candidate information pair; determined according to the maximum control resource set length; configured according to high-level signaling.

In this embodiment of the present application, the number of threshold symbols may be determined by the first element or the second element in the candidate information pair, for example, the number of threshold symbols may be determined by X or Y in combination (X, Y). It can also be determined by the maximum control resource set length. For example, the threshold number of symbols can be determined by Maximum (the configured maximum CORESET duration, the minimum Y reported by the UE). The threshold number of symbols can also be configured directly through high-level signaling.

Further, on the basis of the above application embodiment, the division of the span into corresponding groups according to the orthogonal frequency division multiplexing symbols included in the span includes one of the following:

The beginning OFDM symbol of the span belongs to the orthogonal frequency division multiplexing symbol corresponding to the group, then the span is divided into the group; the end OFDM symbol of the span belongs to the orthogonal frequency division multiplexing symbol corresponding to the group For frequency division multiplexing symbols, the span is divided into the groups; the orthogonal frequency division multiplexing symbols included in the span belong to the orthogonal frequency division multiplexing symbols corresponding to the groups, and the span is divided into the groups.

Specifically, when the spans are grouped, they can be divided according to the initial orthogonal frequency division multiplexing symbols in the span, that is, the group to which the span belongs is determined according to the group to which the start symbol of the span belongs; the group to which the span belongs can be determined according to the end orthogonal frequency within the span. The frequency division multiplexing symbol is divided, that is, the group to which the span belongs is determined according to the group to which the span end symbol belongs. It can also be divided according to any orthogonal frequency division multiplexing symbols included in the span. For example, if one of the orthogonal frequency division multiplexing symbols included in the span belongs to a corresponding group, the span can be divided into corresponding groups, that is, according to The group to which any symbol of the span belongs determines the group to which the span belongs, that is, when different symbols of a span belong to different groups, the span can belong to different groups.

In an exemplary embodiment, in a carrier aggregation scenario, if the terminal is configured to support the enhanced PDCCH monitoring capability of the terminal

A downlink carrier, the number of carriers that are reported by the terminal to support the enhancement of the terminal's ability to monitor PDCCH

Support capacity limitation, when

When, for N cells with the same seed carrier interval and the same combination (X, Y), when the spans in the N cells are not aligned, select the span set set of spans across CCs from the N cells and sum non-overlapping CCE quantity meets

That is, the maximum number of non-overlapping CCEs in each span of each candidate information pair combination (X, Y) for each sub-carrier interval is

When the spans in N cells are selected and the number of non-overlapping CCEs is summed to satisfy C_total, the set of spans across CCs is selected according to the cells in the group. The spans in each cell in the same group form a set of spans across CCs.

Optionally, the grouping is divided into base station configuration or preset division. Among them, the length of the orthogonal frequency division multiplexing symbol in the packet is subslot duration=L, and the value of L can be passed and

Determined, L is the base station configuration or determined according to a preset rule. The value of L is one of the following: (1) L=X; (2) L=Y; (3) L=span duration, that is, the maximum value of the configured maximum CORESET duration and the minimum Y reported by the UE; (4) L is a value configured by high-level signaling, for example, L=4 or other positive integer values are configured. The span of each group is selected based on the group into which the start symbol of the span falls. Optionally, the grouping pattern may be a pattern obtained by grouping a time slot, which may be configured by high-level signaling. For example, when the number of groups in the grouping pattern is 4, each grouping includes (4, 3, 4). , 3) OFDM symbols, or when the number of groups in the grouping pattern is 6, each group includes (3, 2, 2, 2, 2, 3) OFDM symbols. The above description is only an example and is not limited.

For example, taking L=X as an example, for the span distribution shown in Figure 2, the candidate information pair (X, Y) = (4, 3) at this time, and the sequence numbers of the symbols contained in subslot0 in the packet are 0-3. Group subslot1 contains symbols whose serial numbers are 4-7, group subslot2 contains symbols whose serial numbers are 8-11, and group subslot3 contains symbols whose serial numbers are 12-13, then CC1_span1 and CC2_span1 are located in subslot0, which is a set of spans across The number of non-overlapping control channel units of the span of CCs must satisfy CC1_span1+CC2_span1≤C_total; the number of non-overlapping control channel units of CC1_span2 located in the set of spans across CCs must satisfy CC1_span2≤C_total; CC2_span2 The number of non-overlapping control channel units in the span of a set of spans across CCs in subslot2 must satisfy CC2_span2≤C_total.

For example, taking L=X as an example, for the span distribution state shown in Figure 5, the candidate information pair (X,Y)=(4,3) at this time, the group subslot0 contains the symbol number 0-3, and the group subslot1 contains Symbol sequence numbers 4-7, subslot2 contains symbol sequence numbers 8-11, and subslot3 contains symbol sequence numbers 12-13. At this time, CC1_span1 and CC2_span1 are located in a set of spans across CCs in subslot0. The number of non-overlapping control channel units in the span of CCs , To satisfy CC1_span1+CC2_span1≤C_total; CC1_span2 and CC2_span2 are located in the set of spans across CCs in the group subslot1, and the number of non-overlapping control channel units must satisfy CC1_span2+CC2_span2≤C_total; The number of non-overlapping control channel units in the span of a set of spans across CCs must satisfy CC1_span3+CC2_span3≤C_total.

In this embodiment of the application, the maximum number of candidate sets and the maximum number of non-overlapping CCEs for a subcarrier interval are determined for each span for the alignment span, and for non-aligned spans, a span set of spans across CCs is selected in chronological order on each cell Determine the maximum number of candidate sets and the maximum number of non-overlapping CCEs for a subcarrier interval according to each span, and avoid combining different spans in different carriers to check whether the maximum number of candidate sets and the maximum number of non-overlapping CCEs for the subcarrier interval are exceeded. Reduce the processing complexity of base stations and terminals.

Further, on the basis of the foregoing application embodiment, the grouping of the span of a candidate information pair of a subcarrier interval includes:

Groups are grouped according to the positional overlap relationship between the spans.

Further, on the basis of the above application examples, grouping is based on the positional overlap relationship between the spans, including one of the following:

Divide the spans including at least one same orthogonal frequency division multiplexing symbol into the same group; divide the spans of overlapping orthogonal frequency division multiplexing symbols between the spans into the same group; divide the overlapping spans of the monitoring opportunity MO into the same group Grouping; use the cell with the largest number of spans or the cell with the smallest cell index or the cell with the longest span as the reference cell, and the initial OFDM symbols of the spans of other cells overlap with the span of the reference cell and will overlap Is divided into the same group; the cell with the largest number of spans or the cell with the smallest cell index or the cell with the longest span is used as the reference cell. The spans of other cells overlap with the span of the reference cell, and the overlapping spans are divided into Same grouping; for a span, the spans that overlap with the span in all other cells are divided into the same grouping.

In an exemplary embodiment, in a carrier aggregation scenario, if the terminal is configured to support enhanced PDCCH monitoring capabilities of the terminal

A downlink carrier, the number of carriers that are reported by the terminal to support the enhancement of the terminal's ability to monitor PDCCH

Support capacity limitation, when

For N cells with the same seed carrier interval and the same candidate information pair combination (X, Y), when the spans in the N cells are not aligned, the span grouping is performed first among the N cells, and in each grouping Select the span set and sum the number of non-overlapping CCEs to satisfy

That is, the maximum number of non-overlapping CCEs in each span of each candidate information pair combination (X, Y) for each sub-carrier interval is

Optionally, the grouping principle is that the overlapping spans are grouped into one group. The way to group the spans includes one of the following methods: Method 1. All cells are divided into one group if there is overlap between the spans, that is, as long as there is an overlap between the spans Overlapping symbols are divided into the same group, or the span including at least one same orthogonal frequency division multiplexing symbol is divided into the same group. Manner 2: All cells in the span of monitoring opportunities MO (monitoring occasion, monitoring opportunity) overlap, that is, the corresponding spans are grouped into one group. Method 3: Use the cell with the largest number of spans or the cell with the smallest cell index or the cell with the longest span duration as the reference cell, and the span start symbols of the remaining cells or the symbols actually occupied by the MO within the span overlap with the span of the reference cell , The corresponding spans are grouped together. The fourth method can be an improvement on the basis of the first method. The spans in other cells or the symbols actually occupied by the MO in the span overlap with the span of the reference cell, and the corresponding spans are grouped into one group. Method 5: For a span, all the spans that overlap with it in other cells are grouped into one group; optionally, the same span set between different groups is calculated only once, that is, the candidates of each span in the span set are calculated once The number of sets or non-overlapping CCEs are summed and compared with the first value.

Optionally, the cell with the largest number of spans or the cell with the smallest cell index is selected as the reference cell. If two cells have the largest number of spans at the same time, one of them is selected arbitrarily or the cell with the smallest carrier index or the cell with the largest carrier index is selected as the reference cell. The grouping described in the embodiment is a grouping in the same time slot. Because the spans in different time slots are the same, the result of the grouping is applicable to each time slot.

Optionally, in the same group, select the spans in N cells and sum the number of non-overlapping CCEs to meet C_total, select the span set any set of spans across CCs to select a span for each cell to form a span set , And each span of each cell should form a span set separately with the spans of other cells; or select some spans to form a span set or select all spans to form a span set.

Specifically, for the span distribution state shown in Figure 2, the candidate information pair (X, Y) = (4, 3) at this time, for example, the spans are grouped according to the above-mentioned grouping principle, and the spans can be divided into two groups. One group contains span1 and span2 of cell CC1, and span1 of CC2, and the second group contains span2 of cell CC2. Take the span set by randomly selecting a span and the spans of other cells in the group as an example. In the first group, CC1_span1+CC2_span1≤C_total, CC1_span2+CC2_span1≤C_total; in the second group, CC2_span2≤C_total. Taking all the spans of all cells selected in the group as an example, the first group must satisfy CC1_span1+CC1_span2+CC2_span1≤C_total, and the second group must satisfy CC2_span2≤C_total. For another example, according to the second grouping principle, the MO occupies the span and is also divided into two groups. The first group contains span1 and span2 of CC1, and span1 of CC2, and the second group contains span2 of CC2. For another example, according to the third grouping principle, CC1 is set as a reference cell, and divided into three groups, the first group contains span1 of CC1 and span1 of CC2, the second group contains span2 of CC1, and the third group contains span2 of CC2. For another example, according to the fourth grouping principle, CC2 is set as the reference cell, and the span is also divided into two groups, the first group contains span1 and span2 of CC1, and span1 of CC2, and the second group contains span2 of CC2.

For another example, the span distribution shown in Figure 2 is grouped according to grouping mode 5. For a group of CC1_span1 groups including CC1_span1 and CC2_span1, at this time, all spans in the group are selected as the span set as an example. In this grouping, CC1_span1 must be satisfied. +CC2_span1≤C_total; For a group of CC2_span1 including CC1_span1, CC1_span2 and CC2_span1, at this time, take a span and other cell spans in the group to form a span set as an example. In this group, CC1_span1+CC2_span1≤C_total, CC1_span2+ CC2_span1≤C_total; for a group of CC1_span2 including CC1_span2 and CC2_span1, at this time, select the span in the group to form a span set as an example, in this grouping, CC1_span2+CC2_span1≤C_total; for a group of CC2_span2 including CC2_span2, this Take the selection of all spans in the grouping to form a span set as an example. In this grouping, CC2_span2≤C_total must be satisfied; note that the same set between different groups can only be calculated once, so the final need to be satisfied in all groups The set is CC1_span1+CC2_span1≤C_total, CC1_span2+CC2_span1≤C_total, CC2_span2≤C_total.

Specifically, for the span distribution state shown in Figure 5, at this time the candidate information pair (X, Y) = (4, 3), for example, according to the above-mentioned grouping principle mode 1, the spans are grouped, and the group includes span1 and span1 of CC1. span2 and span3, and span1 and span2 and span3 of CC2. Take the span set selected in the group as an example. In the group, CC1_span1+CC2_span1≤C_total, CC1_span1+CC2_span2≤C_total, CC1_span1+CC2_span3≤C_total, CC1_span2+CC2_span1≤C_total, CC2_span1≤C_total, CC2_span1≤C_total, CC2_span1≤C_total, CC1_span2 , CC1_span3+CC2_span1≤C_total, CC1_span3+CC2_span2≤C_total, CC1_span3+CC2_span3≤C_total. Take the selection of all spans of all CCs in a group to form a span set as an example. In this group, CC1_span1+CC1_span2+CC1_span3+CC2_span1+CC2_span2+CC2_span3≤C_total is required. For another example, the span grouping is performed according to the above-mentioned grouping principle, method two. At this time, MO occupies the span and is also divided into one group; when MO only occupies the first two symbols of the span, it is divided into six groups at this time, and the first group contains CC1 For span1, the second group contains span1 of CC2, the third group contains span2 of CC1, the fourth group contains span2 of CC2, the fifth group contains span3 of CC1, and the sixth group contains span3 of CC2. For another example, according to the third grouping principle, CC1 is set as the reference cell, and the span is divided into three groups. The first group contains span1 of CC1 and span1 of CC2, the second group contains span2 of CC1 and span2 of CC2, and the third group contains CC1. Span3 and CC2 span3. For another example, according to the grouping principle, method 4, CC1 is set as the reference cell, and the span is divided into three groups, the first group contains span1 of CC1 and span1 of CC2, the second group contains span2 of CC1 and span1 and span2 of CC2, and the third The group contains span3 of CC1 and span2 and span3 of CC2. In this case, select the span set in the group as an example. In the first group, CC1_span1+CC2_span1≤C_total; in the second group, CC1_span2+CC2_span1≤C_total , CC1_span2+CC2_span2≤C_total; in the third group, CC1_span3+CC2_span2≤C_total and CC1_span3+CC2_span3≤C_total must be satisfied; at this time, all the spans of all the cells in the group are selected to form a span set, in the first group , To satisfy CC1_span1+CC2_span1≤C_total; in the second group, to satisfy CC1_span2+CC2_span1+CC2_span2≤C_total; in the third group, to satisfy CC1_span3+CC2_span2+CC2_span3≤C_total.

For another example, the span distribution state shown in Figure 5, according to grouping mode five, for a set of spans of CC1_span1 including CC1_span1 and CC2_span1, at this time, the span set in the group is selected as an example. In this grouping, CC1_span1+CC2_span1≤ C_total; for a set of spans of CC2_span1 including CC1_span1, CC1_span2 and CC2_span1, take the span set selected in the group as an example, in this span grouping, CC1_span1+CC2_span1≤C_total, CC1_span2+CC2_span1≤C_span2 is included; for a set of CC1_span1≤C_span2 CC1_span2, CC2_span1, and CC2_span2. At this time, take the span set any set of spans across CCs selected in the group as an example. In this group, CC1_span2+CC2_span1≤C_total, CC1_span2+CC2_span2≤C_total2; for a set of spans including CC2_span2≤C_total2 CC2_span2 and CC1_span3, in this case, select any set of spans across CCs in the group as an example. In this group, CC1_span2+CC2_span2≤C_total, CC1_span3+CC2_span2≤C_total; for CC1_span3, CC1_span3 includes a set of spans across CCs CC2_span3, take the span set any set of spans across CCs in the group as an example. In this group, CC1_span3+CC2_span2≤C_total, CC1_span3+CC2_span3≤C_total; for CC2_span3, a set of spans including CC1_span3 and CC2_span3 at this time Take the span set any set of spans across CCs selected in the group as an example. In this group, CC1_span3+CC2_span3≤C_total; note that the same span set between different groups is only calculated once, so in all groups The final span set that needs to be met is CC1_span1+CC2_span1≤C_total, CC1_span2+CC2_span1≤C_total, CC1_span2+CC2_span2≤C_total, CC1_span3+CC2_span2≤C_total, CC1_span3+CC_span3≤CC_span3 total.

Specifically, for the span distribution state shown in Figure 6, the candidate information pair (X, Y) = (7, 3) at this time, for example, according to the above-mentioned grouping principle, method one, divided into two groups, the first group contains span1 of CC1 , And CC2's span1, CC3's span1, CC4's span1, and CC5's span1; the second group contains CC1's span2, and CC2's span2, and CC3's span2, and CC4's span2, and CC5's span2. Taking the span set any set of spans across CCs selected in the group as an example, the number of non-overlapping control channel units between the spans in the first group must satisfy CC1_span1+CC2_span1+CC3_span1+CC4_span1+CC5_span1≤C_total; in the second group The number of non-overlapping control channel units between each span must satisfy CC1_span2+CC2_span2+CC3_span2+CC4_span2+CC5_span2≤C_total. Take the selection of all the spans of all cells in a group as an example. In the first group, CC1_span1+CC2_span1+CC3_span1+CC4_span1+CC5_span1≤C_total; and the non-overlapping control channel between the spans in the second group The number of units must satisfy CC1_span2+CC2_span2+CC3_span2+CC4_span2+CC5_span2≤C_total.

In the embodiment of this application, by determining the maximum number of candidate sets for a subcarrier interval and the maximum number of non-overlapping CCEs for each of the aligned spans, first group all the spans in each cell for the non-aligned spans, and select within each group Form a set of spans across CCs to determine the maximum number of candidate sets for a subcarrier interval and the maximum number of non-overlapping CCEs according to each span, avoiding separate combinations of different spans in different carriers to check whether the maximum candidate set for the subcarrier interval is exceeded The number and the maximum number of non-overlapping CCEs reduce the processing complexity of base stations and terminals.

Further, on the basis of the foregoing application embodiment, the number of the groups is less than or equal to the threshold number, and the first value of each time slot is determined based on the time slot level.

Among them, the threshold number can be the control number for determining that the group is too large. When the number of groups is less than or equal to the threshold number, the span corresponds to fewer groups. There are still difficulties in determining the span set within each group, which can be determined based on the time slot level. The first value of each time slot. Optionally, the threshold number is 1, that is, when the result of grouping is that there is only one grouping, the first value of each time slot is determined based on the time slot level at this time. Optionally, the threshold number is a positive integer. Optionally, the threshold number is a value configured by higher layer signaling. Optionally, the threshold number is a value reported by the terminal.

In an exemplary embodiment, in a carrier aggregation scenario, if the terminal is configured to support enhanced PDCCH monitoring capabilities of the terminal

A downlink carrier, the number of carriers that are reported by the terminal to support the enhancement of the terminal's ability to monitor PDCCH

Support capacity limitation, when

When, for N cells with the same seed carrier interval and the same combination (X, Y), when the spans in the N cells are not aligned, the span grouping is performed first among the N cells, and the span set is selected in each grouping , And sum the number of non-overlapping CCEs in each span in the span set, and the sum satisfies

That is, the maximum number of non-overlapping CCEs in per span for each combination (X, Y) of each sub-carrier interval, which is

When there is only 1 group after grouping, select all spans of each CC to calculate the maximum number of non-overlapping CCEs according to per slot, which is

Optionally, the grouping principle is that overlapping spans are grouped into one group. The grouping method can be any one of the above-mentioned application embodiments. Optionally, within the same grouping, the spans in N cells are selected and summed. When the number of overlapping CCEs satisfies C_total, select the span set any set of spans across CCs to select a span for each cell to form a span set, and each cell and a span must form a span set with the spans of other cells; or select all All the spans of the cell constitute a span set. Further, when there is only one group after the span grouping, the first value is determined for each time slot based on the time slot level according to the method provided in the above application embodiment.

Specifically, for the span distribution state shown in Figure 2, at this time, it is divided into two groups according to the way of grouping. The spans can be divided into two groups. The first group includes span1 and span2 of cell CC1, and span1 of CC2. The second group contains span2 of cell CC2. Take the span set by randomly selecting a span and the spans of other cells in the group as an example. In the first group, CC1_span1+CC2_span1≤C_total, CC1_span2+CC2_span1≤C_total; in the second group, CC2_span2≤C_total. Taking all the spans of all cells selected in a group as an example, in the first group, CC1_span1+CC1_span2+CC2_span1≤C_total must be satisfied, and in the second group, CC2_span2≤C_total must be satisfied.

Specifically, for the span distribution state shown in Figure 5, at this time, it is divided into 1 group according to the way in the grouping method. At this time, scaling is performed according to the time slot level, that is, CC1_span1+CC1_span2+CC1_span3+CC2_span1+CC2_span2+CC2_span3≤C_total . Further, C_total is the above

That is, the maximum number of non-overlapping CCEs per slot when one type of subcarrier spacing is one type (X, Y).

Further, the maximum number of non-overlapping CCEs per time slot in each cell

One of the following methods: Method 1:

That is, the maximum number of non-overlapping CCEs per time slot in each cell in NR Rel-15 is taken, for example, at 15KHz, it is 56; Method 2:

Where G is a value greater than 1, optional G=2, which is twice the value of the maximum number of non-overlapping CCEs per cell per slot in NR Rel-15, for example, 112 at 15KHz; Method 3: According to

Recalculated, namely:

Optional,

in,

Indicates the number of OFDM symbols contained in a slot.

Further, when all (X, Y) in the same seed carrier interval are non-aligned spans, then different candidate information pairs (X, Y) are no longer distinguished in the same seed carrier interval, and the maximum non-overlapping CCE of each time slot is calculated separately. The number is calculated, and the maximum non-overlapping CCE number of each time slot of the same seed carrier is calculated uniformly, which is

Further, the maximum number of non-overlapping CCEs per time slot in each cell

One of the following methods: Method 1:

That is, the maximum number of non-overlapping CCEs per time slot in each cell in NR Rel-15 is taken, for example, at 15KHz, it is 56; Method 2:

Where G is a value greater than 1, optional G=2, which is twice the value of the maximum number of non-overlapping CCEs per cell per slot in NR Rel-15, such as 112 at 15KHz; Method 3: According to

Recalculated, namely:

Optional,

In this embodiment of the application, the non-aligned spans are first grouped into all the spans in each cell, and each group is selected to form a span set set of spans across CCs. According to each span, the maximum number of candidate sets and the maximum number of non-aligned subcarrier intervals are determined. The number of overlapping CCEs. When there is only one packet, the maximum number of candidate sets and the maximum number of non-overlapping CCEs for a subcarrier interval are determined according to each time slot, so as to avoid checking whether the combination of different spans in different carriers exceeds the subcarrier interval. The maximum number of candidate sets and the maximum number of non-overlapping CCEs reduces the processing complexity of base stations and terminals.

In an exemplary embodiment, this embodiment provides a definition that the span mode is Aligned spans case, and the definition method is one of the following:

Method 1, Aligned spans case is defined as: for a span, all spans overlapping with it in other CCs have the same start symbol or the same end symbol. That is, span duration can be different. For example, the definition includes Figure 1, Figure 7, Figure 8, and Figure 9, which are all aligned spans cases.

Method 2: For each span of at least one CC, all other CCs overlapping with the span have the same start symbol or the same end symbol. At this time, Figure 10 is the aligned spans case.

Method 3, aligned spans case is defined as: on the basis of method 1 or method 2, at least one span of one cell overlaps with one span of at least one cell in other cells and has the same start symbol or end symbol. At this time, Fig. 7 is not an aligned spans case, and Fig. 11, Fig. 12, and Fig. 1, Fig. 8, and Fig. 9 are aligned spans case.

Method 4, aligned spans case is defined as: on the basis of method 1, for at least one cell, at least one span of each cell in the other cells overlaps with one of the cells and has the same start symbol or end symbol. At this time, Fig. 7 is not an aligned spans case, and Fig. 11, Fig. 12, and Fig. 1, Fig. 8, and Fig. 9 are aligned spans case. Optionally, the at least one cell is a cell with the largest number of spans, or a cell with the longest span duration.

Method 5, aligned spans case is defined as: on the basis of method 1, at least one span of one cell overlaps with one span of each cell in other cells and has the same start symbol or end symbol. At this time, Fig. 7 and Fig. 12 are not aligned spans cases, and Fig. 11, Fig. 1, Fig. 8, and Fig. 9 are aligned spans cases.

Method 6, aligned spans case is defined as: on the basis of method 1, for any two cells, at least one span of one cell overlaps with one span in the other cell and has the same start symbol or end symbol. At this time, Fig. 7 and Fig. 12 are not aligned spans cases, and Fig. 11, Fig. 1, Fig. 8, and Fig. 9 are aligned spans cases.

FIG. 13 is a schematic structural diagram of an information determination device provided by an embodiment of the present application, which can execute the information determination method provided by any embodiment of the present invention, and has corresponding functional modules and beneficial effects for the execution method. The device can be implemented by software and/or hardware, and specifically includes:

The distribution determining module 301 is configured to determine a span mode between cells of a candidate information pair for a subcarrier spacing.

The quantity determining module 302 is configured to determine the first value of each span based on the span mode; wherein the first value is the upper limit M_total of the number of physical downlink control channel candidate sets with a subcarrier interval and/or non-overlapping The upper limit of the number of control channel units C_total, or the upper limit of the number of physical downlink control channel candidate sets M_total of a candidate information pair with a subcarrier spacing or the upper limit of the number of non-overlapping control channel units C_total; where the span mode between cells is span alignment Or the span is not aligned.

In this embodiment of the application, the distribution determining module 301 and the quantity determining module 302 determine the first value of the corresponding span including M_total or C_total according to the span mode, and obtain different M_total or C_total according to different alignment modes, so as to avoid differences in different carriers. The span repetitive combination determines whether the maximum number of candidate sets and the maximum number of non-overlapping CCEs in the subcarrier interval are exceeded, reducing the processing complexity of communication equipment such as base stations and terminals.

FIG. 14 is a schematic structural diagram of a device provided by an embodiment of the present application. As shown in FIG. 14, the device includes a processor 50, a memory 51, an input device 52, and an output device 53; the number of processors 50 in the device may be one Or more, one processor 50 is taken as an example in FIG. 5; the processor 50, the memory 51, the input device 52, and the output device 53 in the device may be connected by a bus or other methods. In FIG. 14, the connection by a bus is taken as an example.

As a computer-readable storage medium, the memory 51 can be used to store software programs, computer-executable programs, and modules, such as modules (distribution determining module 301 and quantity determining module 302) corresponding to the information determining device in the embodiment of the present application. The processor 50 executes various functional applications and data processing of the device by running the software programs, instructions, and modules stored in the memory 51, that is, realizes the above-mentioned information determination method.

The memory 51 may mainly include a program storage area and a data storage area. The program storage area may store an operating system and an application program required by at least one function; the data storage area may store data created according to the use of the terminal. In addition, the memory 51 may include a high-speed random access memory, and may also include a non-volatile memory, such as at least one magnetic disk storage device, a flash memory device, or other non-volatile solid-state storage devices. In some examples, the memory 51 may further include a memory remotely provided with respect to the processor 50, and these remote memories may be connected to the device through a network. Examples of the aforementioned networks include, but are not limited to, the Internet, corporate intranets, local area networks, mobile communication networks, and combinations thereof.

The input device 52 can be used to receive inputted numeric or character information, and generate key signal input related to user settings and function control of the device. The output device 53 may include a display device such as a display screen.

An embodiment of the present application also provides a storage medium containing computer-executable instructions, when the computer-executable instructions are executed by a computer processor, a method for determining information is executed, and the method includes:

Determine the span mode between each cell of a candidate information pair for a subcarrier spacing;

The first value of each span is determined based on the span mode; wherein the first value is the upper limit M_total of the number of physical downlink control channel candidate sets with a subcarrier spacing and/or the upper limit C_total of the number of non-overlapping control channel units, Or the upper limit M_total of the number of physical downlink control channel candidate sets or the upper limit C_total of the number of non-overlapping control channel units for a candidate information pair with a subcarrier spacing; wherein the span mode between each cell is span alignment or span misalignment.

An embodiment of the present invention provides a storage medium containing computer-executable instructions. The computer-executable instructions are not limited to the method operations described above, and can also perform related operations in the information determination method provided by any embodiment of the present invention. .

Through the above description of the embodiments, those skilled in the art can clearly understand that the present disclosure can be implemented by software and necessary general-purpose hardware, or can be implemented by hardware. Based on this understanding, the technical solution of the present disclosure can be embodied in the form of a software product. The computer software product can be stored in a computer-readable storage medium, such as a computer floppy disk, a read-only memory (Read-Only Memory, ROM), Random Access Memory (RAM), flash memory (FLASH), hard disk or optical disk, etc., including a number of instructions to make a computer device (which can be a personal computer, server, or network device, etc.) execute various implementations of the present disclosure The method described in the example.

The above are only exemplary embodiments of the present application, and are not used to limit the protection scope of the present application.

Those skilled in the art should understand that the term user terminal encompasses any suitable type of wireless user equipment, such as mobile phones, portable data processing devices, portable web browsers, or vehicle-mounted mobile stations.

In general, the various embodiments of the present application can be implemented in hardware or dedicated circuits, software, logic or any combination thereof. For example, some aspects may be implemented in hardware, while other aspects may be implemented in firmware or software that may be executed by a controller, microprocessor, or other computing device, although the present application is not limited thereto.

The embodiments of the present application may be implemented by executing computer program instructions by a data processor of a mobile device, for example, in a processor entity, or by hardware, or by a combination of software and hardware. Computer program instructions can be assembly instructions, Industry Subversive Alliance (ISA) instructions, machine instructions, machine-related instructions, microcode, firmware instructions, status setting data, or written in any combination of one or more programming languages Source code or object code.

The block diagram of any logic flow in the drawings of the present application may represent program steps, or may represent interconnected logic circuits, modules, and functions, or may represent a combination of program steps and logic circuits, modules, and functions. The computer program can be stored on the memory. The memory can be of any type suitable for the local technical environment and can be implemented using any suitable data storage technology, such as but not limited to read only memory (ROM), random access memory (RAM), optical memory devices and systems (digital multi-function optical discs) (Digital Video Disk, DVD) or portable compact disk (Compact Disc, CD)), etc. Computer-readable media may include non-transitory storage media. The data processor can be any type suitable for the local technical environment, such as but not limited to general-purpose computers, special-purpose computers, microprocessors, digital signal processors (Digital Signal Processors, DSP), application specific integrated circuits (ASICs) ), programmable logic devices (Field Programmable Gate Array, FPGA), and processors based on multi-core processor architecture.

Claims (18)

1. A method for determining information, including:

   Determining a span mode between multiple cells of a candidate information pair for a subcarrier spacing;

   Determining the first value of each span based on the span mode;

   Wherein, the first value is the upper limit M_total of the number of physical downlink control channel candidate sets with a subcarrier interval or the upper limit C_total of the number of non-overlapping control channel units, or the physical downlink control channel of a candidate information pair with a subcarrier interval The upper limit of the number of candidate sets M_total or the upper limit of the number of non-overlapping control channel units C_total;

   Among them, the span mode between multiple cells is span-aligned or span-unaligned.
2. The method according to claim 1, wherein the determining the first value of each span based on the span mode comprises:

   The span mode between multiple cells is determined to be span misalignment, and the first value of each time slot is determined based on the time slot level.
3. The method according to claim 2, wherein the determining that the span mode between the multiple cells is that the span is not aligned, and determining the first value of each time slot based on the time slot level comprises:

   To determine the second value of a candidate information pair for a subcarrier interval, the determination method includes one of the following:

   Is G times the third value, and G is a positive integer;

   Is P times the fourth value, and P is a positive integer;

   Wherein, the second value is a threshold M_max for the number of physical downlink control channel candidate sets per cell and a non-overlapping threshold for each cell with a subcarrier interval determined according to the third value or the fourth value Control channel unit quantity threshold C_max;

   Wherein, the third value is a threshold M_max for the number of physical downlink control channel candidates and a threshold C_max for the number of non-overlapping control channel elements in each cell in each time slot of a subcarrier interval;

   Wherein, the fourth value is the threshold M_max of the number of physical downlink control channel candidate sets and the threshold C_max of the number of non-overlapping control channel elements in each cell of a candidate information pair with a subcarrier spacing.
4. The method according to claim 2, wherein the determining that the span mode between the multiple cells is that the span is not aligned, and determining the first value of each time slot based on the time slot level includes one of the following:

   The span patterns between multiple cells of all candidate information pairs for a subcarrier spacing are all span misalignment;

   The span pattern between multiple cells of at least one candidate information pair for one type of subcarrier spacing is that the span is not aligned.
5. The method according to claim 3, wherein the method for determining the value of P includes one of the following:

   Determined according to the ratio of the number of orthogonal frequency division multiplexing symbols included in a time slot to the first element in the candidate information pair;

   Determined according to the ratio of the number of orthogonal frequency division multiplexing symbols included in a time slot to the second element in the candidate information pair;

   It is determined according to the fourth value of the at least one candidate information pair.
6. The method according to claim 1, wherein the determining the first value of each span based on the span mode comprises:

   Determine the span pattern between multiple cells as span misalignment, and group the spans of multiple cells of a candidate information pair for a subcarrier interval;

   For each grouping, determine a span set and the fifth value in any span set is not greater than the first value;

   Wherein, the fifth value is the sum of the number of physical downlink control channel candidate sets of multiple spans in a span set, or the sum of the number of non-overlapping control channel units of multiple spans in a span set.
7. The method according to claim 6, wherein the method of determining the span set comprises one of the following:

   A span of any cell and multiple spans of other cells respectively form a span set, and each cell in each span set can select at most one span;

   All the spans of all the cells form a span set.
8. The method according to claim 6, wherein said grouping the spans of a plurality of cells of a candidate information pair for a kind of subcarrier spacing comprises:

   The reference cell in the subcarrier interval is determined, the target span in the reference cell is selected according to the time sequence, and the grouping is determined according to the target span.
9. The method according to claim 8, wherein the reference cell comprises at least one of the following: a cell with the largest number of spans; a cell with the smallest cell index; and a cell with the longest span.
10. The method according to claim 6, wherein said grouping the spans of a plurality of cells of a candidate information pair for a kind of subcarrier spacing comprises:

    Divide the Orthogonal Frequency Division Multiplexing symbols contained in a time slot according to the threshold number of symbols or the grouping pattern configured by high-level signaling to generate groups;

    The span is divided into corresponding groups according to the orthogonal frequency division multiplexing symbols included in the span.
11. The method according to claim 10, wherein the method for determining the number of threshold symbols comprises at least one of the following:

    Determine according to the first element of the candidate information pair;

    Determine according to the second element of the candidate information pair;

    Determined according to the length of the maximum control resource set;

    Configured according to high-level signaling.
12. The method according to claim 10, wherein the dividing the span into corresponding groups according to the orthogonal frequency division multiplexing symbols included in the span includes one of the following:

    The initial OFDM symbol of the span belongs to the OFDM symbol corresponding to the group, and the span is divided into the group;

    The end OFDM symbol of the span belongs to the OFDM symbol corresponding to the group, and the span is divided into the group;

    The orthogonal frequency division multiplexing symbols included in the span belong to the orthogonal frequency division multiplexing symbols corresponding to the group, and the span is divided into the group.
13. The method according to claim 6, wherein said grouping the spans of a plurality of cells of a candidate information pair for a kind of subcarrier spacing comprises:

    Grouping is based on the overlapping relationship between multiple spans.
14. The method according to claim 13, wherein the grouping according to the positional overlap relationship between the multiple spans includes one of the following:

    Dividing the span including at least one same orthogonal frequency division multiplexing symbol into the same group;

    The spans of orthogonal frequency division multiplexing symbols with overlapping spans are divided into the same group;

    Divide the overlapping spans of monitoring opportunities MO into the same group;

    Take the cell with the largest number of spans or the cell with the smallest cell index or the cell with the longest span as the reference cell. The initial OFDM symbols of the spans of other cells overlap with the span of the reference cell. Divide into the same group;

    Taking the cell with the largest number of spans or the cell with the smallest cell index or the cell with the longest span as a reference cell, the spans of other cells overlap with the span of the reference cell, and the overlapping spans are divided into the same group;

    For one span, the spans that overlap with the one span in all other cells are divided into the same group.
15. The method according to claim 6, further comprising: determining the first value of each time slot based on the time slot level when the number of the packets is less than or equal to a threshold number.
16. An information determining device includes:

    A distribution determining module, configured to determine a span mode between multiple cells of a candidate information pair for a subcarrier spacing;

    A quantity determining module, configured to determine the first value of each span based on the span mode;

    Wherein, the first value is the upper limit M_total of the number of physical downlink control channel candidate sets for a subcarrier interval or the upper limit C_total for the number of non-overlapping control channel units, or the physical downlink control channel candidate of a candidate information pair for a subcarrier interval The upper limit of the number of sets M_total or the upper limit of the number of non-overlapping control channel units C_total;

    Among them, the span mode between multiple cells is span-aligned or span-unaligned.
17. A device that includes:

    One or more processors;

    Memory, set to store one or more programs;

    When the one or more programs are executed by the one or more processors, the one or more processors implement the information determining method according to any one of claims 1-15.
18. A computer-readable storage medium storing a computer program, wherein when the computer program is executed by a processor, the method for determining information according to any one of claims 1-15 is implemented.

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