CN114286427A

CN114286427A - Control channel processing method, device, equipment and readable storage medium

Info

Publication number: CN114286427A
Application number: CN202011039346.4A
Authority: CN
Inventors: 杨拓
Original assignee: China Mobile Communications Group Co Ltd; China Mobile Communications Ltd Research Institute
Current assignee: China Mobile Communications Group Co Ltd; China Mobile Communications Ltd Research Institute
Priority date: 2020-09-28
Filing date: 2020-09-28
Publication date: 2022-04-05

Abstract

The invention discloses a control channel processing method, a control channel processing device, control channel processing equipment and a readable storage medium, and relates to the technical field of communication to reduce power consumption of a terminal. The method comprises the following steps: acquiring the number of first CSS PDCCH candidate sets; determining CCE indexes of the CSS PDCCH candidate sets according to the number of the first CSS PDCCH candidate sets and the number of the second CSS PDCCH candidate sets; wherein the number of the first CSS PDCCH candidate sets is smaller than the number of the second CSS PDCCH candidate sets. The embodiment of the invention can reduce the power consumption of the terminal.

Description

Control channel processing method, device, equipment and readable storage medium

Technical Field

The present invention relates to the field of communications technologies, and in particular, to a method, an apparatus, a device, and a readable storage medium for processing a control channel.

Background

A PDCCH (Physical downlink control channel) search space in NR (New Radio, New air interface) is divided into a Common Search Space (CSS) and a terminal-specific search space (USS). The common search space set comprises Type0-PDCCH CSS set (SIB1 search space set), Type0A-PDCCH CSS set (other system message search space set), Type1-PDCCH CSS set (random access search space set), Type2-PDCCH CSS set (paging search space set), and Type3-PDCCH CSS set.

The terminal obtains configuration Information of Type0 CSS by reading MIB (Master Information Block) at an initial access stage, where an aggregation level and a number of PDCCH candidate sets are configured as shown in table 1, a search space index of the terminal is 0, and an associated CORESET index is also 0. The aggregation levels of the CSSs of Type0A and Type2 and the number of PDCCH candidate sets are also as shown in table 1, and if a search space is not separately configured, the search space indexes of the CSSs of Type0A and Type2 are also 0. The terminal may also detect the PDCCH, in which the CRC is scrambled by the C-RNTI, on the CSS of Type0/Type0A/Type2 if the terminal is configured with the C-RNTI.

TABLE 1

CCE aggregation levels	Number of candidate sets
		4	4
8	2
		16	1

In order to reduce the complexity of detecting the PDCCH by the terminal, the PDCCH detection capability of the terminal is introduced into NR. However, the number of PDCCH candidate sets and the number of non-overlapping CCEs (Control Channel Elements) detected by the terminal configured on the network side in a time slot may exceed the detection capability of the terminal, so a behavior for the terminal to detect the PDCCH is formulated in the NR to ensure that the maximum number of PDCCH candidate sets and the maximum number of non-overlapping CCEs detected by the terminal in a time slot do not exceed the PDCCH detection capability of the terminal.

At present, NR design mainly aims at wide coverage of eMBB (Enhanced Mobile Broadband), high rate requirement, and Low-delay and high-reliability characteristics of URLLC (Ultra-Reliable and Low-delay Communications), but Low cost and large connection are relatively deficient in consideration.

For the requirements of more various terminals and use scenarios in the future, such as sensor devices, wearable devices, and monitoring cameras, the bandwidth size (100MHz) and the number of transmit-receive antennas (4 transmit-receive 2 transmit) in the NR protocol at present exceed the requirements of these terminals and use scenarios, so that a terminal with simplified capability is one of the future NR evolution directions. These reduced capability terminals (alternatively referred to as low-power terminals) have lower complexity and processing power, such as bandwidth, number of transmit and receive antennas, transmit power, processing time than smart phones, and have increased battery life requirements. Among them, PDCCH detection is one of the problems affecting the energy consumption of the terminal. However, the PDCCH detection capability processing method according to the prior art will result in large power consumption of the reduced capability terminal (or called low capability terminal).

Disclosure of Invention

The embodiment of the invention provides a control channel processing method, a control channel processing device, control channel processing equipment and a readable storage medium, which are used for reducing the power consumption of a terminal.

In a first aspect, an embodiment of the present invention provides a control channel processing method, including:

acquiring the number of first CSS PDCCH candidate sets;

determining CCE indexes of the CSS PDCCH candidate sets according to the number of the first CSS PDCCH candidate sets and the number of the second CSS PDCCH candidate sets;

wherein the number of the first CSS PDCCH candidate sets is smaller than the number of the second CSS PDCCH candidate sets.

Wherein the number of the second CSS PDCCH candidate sets is predefined or preconfigured by a network side.

Wherein the determining the CCE index of the control channel element of the CSS PDCCH candidate set according to the number of the first CSS PDCCH candidate set and the number of the second CSS PDCCH candidate set comprises:

detection search space set s associated with control resource set CORESET p, aggregation level L PDCCH candidate set

The index of CCE of (a) is:

wherein:

in the case of the CSS, the,

n_CI＝0；

N_CCE,prepresenting the number of CCEs in CORESET p;

the expression number is n_CIThe number of PDCCH candidate sets with the set level L of a search space set s on the serving cell of (1);

n_CIa representative carrier indicator;

and the value is the value corresponding to the number of the second CSS PDCCH candidate sets with the aggregation level L;

i is an integer, and i is more than 0 and less than or equal to L-1.

In a second aspect, an embodiment of the present invention further provides a control channel processing method, where the method includes:

acquiring configuration information;

determining whether a PDCCH candidate set of a current CSS search space set is allocated to a detected CSS set or not according to the configuration information;

determining whether to allocate a PDCCH candidate set of a current USS search space set to a detected USS set or not according to the configuration information;

wherein the configuration information comprises first configuration information and second configuration information; the first configuration information includes a number X1 of candidate sets of the CSS PDCCHs maximally detected and a number Y1 of maximally non-overlapping CCEs within one slot, and the second configuration information includes a number X2 of candidate sets of the maximally detected PDCCHs and a number Y2 of maximally non-overlapping CCEs within one slot.

Wherein the determining whether to allocate the PDCCH candidate set of the current CSS search space set to the detected CSS set according to the configuration information includes:

judging whether the sum of the number of CSSPDCCH candidate sets of the current CSS search space set and the number of the CSS PDCCH candidate sets which are already detected exceeds X1 and whether the sum of the number of non-overlapping CCEs of the current CSS search space set and the number of the non-overlapping CCEs which are already detected exceeds Y1 according to the detection sequence of the CSS search space set;

and if the sum of the number of CSS PDCCH candidate sets of the current CSS search space set and the number of the detected CSS PDCCH candidate sets exceeds X1, or the sum of the number of non-overlapping CCEs of the current CSS search space set and the number of the detected non-overlapping CCEs exceeds Y1, not allocating the PDCCH candidate set of the current CSS search space set to the detected CSS set.

The detection sequence of the CSS search space sets is the sequence of CSS search space set indexes from small to large, or the detection sequence of the CSS search space sets is the sequence of predefined CSS search space set types, or the detection sequence of the CSS search space sets is the sequence of CSS search space set types configured on the network side.

Wherein the method further comprises: the PDCCH candidate set not allocated to the CSS search space set of the detected CSS set is not detected.

Wherein, the CCE index of the CSS PDCCH is determined as follows:

The index of CCE of (a) is:

wherein:

in the case of the CSS, the,

n_CI＝0；

N_CCE,prepresenting the number of CCEs in CORESET p;

n_CIa representative carrier indicator;

i is an integer, and i is more than 0 and less than or equal to L-1.

Wherein the determining whether to allocate the PDCCH candidate set of the current USS search space set to the detected USS set according to the configuration information includes:

judging whether the sum of the number of USSPDCCH candidate sets of the current USS search space set and the number of detected PDCCH candidate sets exceeds X2 and whether the sum of the number of non-overlapping CCEs of the current USS search space set and the number of detected non-overlapping CCEs exceeds Y2 according to the index sequence of the USS search space set;

if the sum of the number of USS PDCCH candidate sets of the current USS search space set and the number of PDCCH candidate sets that have been detected exceeds X2, or the sum of the number of non-overlapping CCEs of the current USS search space set and the number of non-overlapping CCEs that have been detected exceeds Y2, then the PDCCH candidate set of the current USS search space set is not allocated to the detected USS set.

Wherein the method further comprises:

the set of PDCCH candidates that are not assigned to the USS search space set of the detected USS set are not detected.

Wherein the number of the detected PDCCH candidate sets is determined by any one of:

the sum of the number of candidate sets of CSS PDCCH that have been detected and the number of candidate sets of USSPDCCH that have been detected;

the sum of the number X1 of candidate sets of the CSS PDCCH detected the most and the number of candidate sets of the USS PDCCH already detected in one slot;

determining the number of non-overlapping CCEs that have been detected by either:

the sum of the number of non-overlapping CCEs of the detected CSS and the number of non-overlapping CCEs of the detected USS;

the sum of the number of non-overlapping CCEs Y1 of the largest detected CSS within a slot and the number of non-overlapping CCEs of the USS that have already been detected.

In a third aspect, an embodiment of the present invention further provides a control channel processing apparatus, which is applied to a terminal, and the apparatus includes:

a first obtaining module, configured to obtain the number of first CSS PDCCH candidate sets;

a first determining module, configured to determine a CCE index of a CSS PDCCH candidate set according to the number of the first CSS PDCCH candidate set and the number of the second CSS PDCCH candidate set;

The first determining module is specifically configured to determine a CCE index as follows:

The index of CCE of (a) is:

wherein:

in the case of the CSS, the,

n_CI＝0；

N_CCE,prepresenting the number of CCEs in CORESET p;

n_CIa representative carrier indicator;

i is an integer, and i is more than 0 and less than or equal to L-1.

In a fourth aspect, an embodiment of the present invention further provides a control channel processing apparatus, which is applied to a terminal, and the apparatus includes:

the first acquisition module is used for acquiring configuration information;

a first determining module, configured to determine whether to allocate a PDCCH candidate set of a current CSS search space set to a detected CSS set according to the configuration information;

a second determining module, configured to determine whether to allocate the PDCCH candidate set of the current USS search space set to the detected USS set according to the configuration information;

Wherein the first determining module comprises:

a first determining sub-module, configured to determine, according to a detection order of the CSS search space sets, whether a sum of a number of CSS PDCCH candidate sets of a current CSS search space set and a number of CSS PDCCH candidate sets that have been detected exceeds X1, and whether a sum of a number of non-overlapping CCEs of the current CSS search space set and a number of non-overlapping CCEs that have been detected exceeds Y1;

and a second determining submodule, configured to not allocate the PDCCH candidate set of the current CSS search space set to the detected CSS set if a sum of the number of CSS PDCCH candidate sets of the current CSS search space set and the number of CSS PDCCH candidate sets that have been detected exceeds X1, or if a sum of the number of non-overlapping CCEs of the current CSS search space set and the number of non-overlapping CCEs that have been detected exceeds Y1.

Wherein the apparatus may further comprise:

a first processing module to not detect a PDCCH candidate set of a CSS search space set that is not allocated to a detected CSS set.

Wherein, the CCE index of the CSS PDCCH is determined as follows:

The index of CCE of (a) is:

wherein:

in the case of the CSS, the,

n_CI＝0；

N_CCE,prepresenting the number of CCEs in CORESET p;

n_CIa representative carrier indicator;

i is an integer, and i is more than 0 and less than or equal to L-1.

Wherein the second determining module comprises:

a first determining sub-module for determining whether the sum of the number of USS PDCCH candidate sets of the current USS search space set and the number of PDCCH candidate sets that have been detected exceeds X2 and whether the sum of the number of non-overlapping CCEs of the current USS search space set and the number of non-overlapping CCEs that have been detected exceeds Y2 according to the index order of the USS search space set;

and the first detection submodule is used for not allocating the PDCCH candidate set of the current USS search space set to the detected USS set if the sum of the number of the USS PDCCH candidate sets of the current USS search space set and the number of the detected PDCCH candidate sets exceeds X2, or the sum of the number of the non-overlapping CCEs of the current USS search space set and the number of the detected non-overlapping CCEs exceeds Y2.

Wherein the apparatus further comprises:

a second processing module to not detect a set of PDCCH candidates of a USS search space set that is not allocated to the detected USS set.

In a fifth aspect, an embodiment of the present invention further provides a control channel processing apparatus, which is applied to a terminal, and the apparatus includes: a processor and a transceiver;

the processor is configured to obtain a number of first CSS PDCCH candidate sets; determining CCE indexes of the CSSPDCCH candidate sets according to the number of the first CSSPDCCH candidate sets and the number of the second CSS PDCCH candidate sets;

Wherein the processor is configured to determine a CCE index as follows:

The index of CCE of (a) is:

wherein:

in the case of the CSS, the,

n_CI＝0；

N_CCE,prepresenting the number of CCEs in CORESET p;

n_CIa representative carrier indicator;

and takes a value corresponding to a polymerization level of LA value of the number of second CSS PDCCH candidate sets;

i is an integer, and i is more than 0 and less than or equal to L-1.

In a sixth aspect, an embodiment of the present invention further provides a control channel processing apparatus, which is applied to a terminal, and the apparatus includes: a processor and a transceiver;

the processor is used for acquiring configuration information; determining whether a PDCCH candidate set of a current CSS search space set is allocated to a detected CSS set or not according to the configuration information; determining whether to allocate a PDCCH candidate set of a current USS search space set to a detected USS set or not according to the configuration information;

Wherein the processor is configured to:

judging whether the sum of the number of CSS PDCCH candidate sets of the current CSS search space set and the number of the CSS PDCCH candidate sets which are already detected exceeds X1 and whether the sum of the number of non-overlapping CCEs of the current CSS search space set and the number of the non-overlapping CCEs which are already detected exceeds Y1 according to the detection sequence of the CSS search space set;

Wherein the processor is configured to: the PDCCH candidate set not allocated to the CSS search space set of the detected CSS set is not detected.

Wherein the processor is configured to determine a CCE index of the CSS PDCCH as follows:

The index of CCE of (a) is:

wherein:

in the case of the CSS, the,

n_CI＝0；

N_CCE,prepresenting the number of CCEs in CORESET p;

n_CIa representative carrier indicator;

i is an integer, and i is more than 0 and less than or equal to L-1.

Wherein the processor is configured to:

the sum of the number of candidate sets of CSS PDCCH that have been detected and the number of candidate sets of USS PDCCH that have been detected;

In a seventh aspect, an embodiment of the present invention further provides a communication device, including: a transceiver, a memory, a processor and a program stored on the memory and executable on the processor, the processor implementing the steps in the control channel processing method as described above when executing the program.

In an eighth aspect, the embodiment of the present invention further provides a readable storage medium, where the readable storage medium stores a program, and the program, when executed by a processor, implements the steps in the control channel processing method as described above.

In the embodiment of the invention, the number of the first CSS PDCCH candidate sets is less than that of the second CSS PDCCH candidate sets, so that the CSS PDCCH detection capability of the terminal is reduced, and the power consumption of the terminal is reduced.

In the embodiment of the invention, if the detection of a certain CSS PDCCH exceeds the detection capability of the CSS of the terminal, the terminal can calculate the part of the detection capability to the USS PDCCH, thereby avoiding wasting the scheduling opportunity of the USS.

Drawings

Fig. 1 is a flowchart of a control channel processing method according to an embodiment of the present invention;

fig. 2 is a second flowchart of a control channel processing method according to an embodiment of the present invention;

fig. 3 is one of the structural diagrams of a control channel processing apparatus according to an embodiment of the present invention;

fig. 4 is a second structural diagram of a control channel processing apparatus according to an embodiment of the present invention;

fig. 5 is a third structural diagram of a control channel processing apparatus according to an embodiment of the present invention;

fig. 6 is a fourth structural diagram of a control channel processing apparatus according to an embodiment of the present invention;

fig. 7 is one of the structural diagrams of a communication apparatus provided by the embodiment of the present invention;

fig. 8 is a second block diagram of a communication device according to an embodiment of the present invention.

Detailed Description

The term "and/or" in the embodiments of the present invention describes an association relationship of associated objects, and indicates that three relationships may exist, for example, a and/or B may indicate: a exists alone, A and B exist simultaneously, and B exists alone. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship.

In the embodiments of the present application, the term "plurality" means two or more, and other terms are similar thereto.

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Referring to fig. 1, fig. 1 is a flowchart of a control channel processing method provided by an embodiment of the present invention, and the control channel processing method can be applied to a terminal. As shown in fig. 1, the method comprises the following steps:

step 101, obtaining the number of first CSS PDCCH candidate sets.

Wherein, the number of the first CSS PDCCH candidate set may be the number of the candidate set of the CSS PDCCH of the low-capability terminal. The low-capability terminal refers to a terminal with reduced capability, such as a terminal with reduced capability compared to an NRR15/R16 terminal, and the normal-capability terminal may be a terminal with NR R15/R16 terminal capability, for example. The complexity and processing power of the low-capability terminals, such as bandwidth, number of transmit and receive antennas, transmission power, processing time, etc., are lower than those of the normal-capability terminals. The number of candidate sets of the CSS PDCCH of the low-capability terminal can be smaller than that of the candidate sets of the CSS PDCCH of the normal-capability terminal, so that the PDCCH detection energy consumption of the low-capability terminal can be reduced. The number of candidate sets of CSS PDCCH for normal capable terminals is also referred to hereinafter as the second CSS PDCCH candidate set.

In practical applications, the correspondence between the aggregation level of the normal capability terminal and the number of candidate sets may be as shown in table 2:

TABLE 2

CCE aggregation levels	Number of candidate sets
		4	4
8	2
		16	1

The correspondence between the aggregation level of the low-capability terminal and the number of candidate sets may be as shown in table 3:

TABLE 3

CCE aggregation levels	Number of candidate sets
		4	2
8	2
		16	1

As can be seen from tables 2 and 3, for a low-capability terminal, in the correspondence relationship, when the aggregation level is 4, the number of corresponding candidate sets is 2.

Step 102, determining CCE indexes of the CSS PDCCH candidate sets according to the number of the first CSS PDCCH candidate sets and the number of the second CSS PDCCH candidate sets.

In this step, the set of detection search spaces s, associated with the set of control resources CORESET p, aggregates the set of PDCCH candidates of level L

The index of CCE of (a) is:

wherein:

in the case of the CSS, the,

n_CI＝0；

N_CCE,prepresenting the number of CCEs in CORESET p;

n_CIa representative carrier indicator;

i is an integer, and i is more than 0 and less than or equal to L-1.

For example, in connection with table 2, the number of candidate sets for a PDCCH of normal capability terminal aggregation level 4 is 4. Therefore, CCE index of PDCCH with low-power terminal aggregation level of 4 is calculatedThe following:

if according to the prior art it is known that,

the value is the value of the number of the first PDCCH candidate sets under the aggregation level L, the indexes of 2 PDCCH candidate sets with the aggregation level of 4, which are detected by the low-power terminal, are 0-3 and 8-11, and the following table 4 shows that:

TABLE 4

0

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

This results in CCEs 4-7 and 12-15 being used to transmit only two aggregation level 4 PDCCHs. The PDCCH with a larger aggregation level cannot be transmitted, and the scheduling flexibility of the base station is reduced.

In the embodiment of the present invention, according to the above calculation formula, assuming that the number of CCEs of CORESET is 16, the indexes of 2 PDCCH candidate sets with aggregation level 4 detected by a low-power terminal are 0 to 3 and 4 to 7, as shown in the following table 5:

TABLE 5

0

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

Thus, on CCEs 8-15, the base station can select to transmit two PDCCHs with aggregation level 4, and can also select to transmit one PDCCH with aggregation level 8, thereby expanding the flexibility of the aggregation level of the PDCCHs which can be scheduled by the base station.

Referring to fig. 2, fig. 2 is a flowchart of a control channel processing method according to an embodiment of the present invention, which can be applied to a low-capability terminal. As shown in fig. 2, the method comprises the following steps:

step 201, obtaining configuration information.

The configuration information may be configured on the network side, or may also be predefined.

Step 202, determining whether to allocate the PDCCH candidate set of the current CSS search space set to the detected CSS set according to the configuration information.

The detected CSS set refers to a set of CSS which the terminal needs to perform PDCCH detection.

In this step, it is determined whether the sum of the number of CSS PDCCH candidate sets of the current CSS search space set and the number of CSS PDCCH candidate sets that have been detected exceeds X1 and whether the sum of the number of non-overlapping CCEs of the current CSS search space set and the number of non-overlapping CCEs that have been detected exceeds Y1 according to the detection order of the CSS search space set. And if the sum of the number of CSS PDCCH candidate sets of the current CSS search space set and the number of the detected CSS PDCCH candidate sets exceeds X1, or the sum of the number of non-overlapping CCEs of the current CSS search space set and the number of the detected non-overlapping CCEs exceeds Y1, not allocating the PDCCH candidate set of the current CSS search space set to the detected CSS set.

Furthermore, the terminal will not detect the PDCCH candidate set of CSS search space sets that are not assigned to the detected CSS set.

In the embodiment of the present invention, the CCE index of the CSS PDCCH may be determined according to the calculation formula in the embodiment shown in fig. 1.

Step 203, determining whether to allocate the PDCCH candidate set of the current USS search space set to the detected USS set according to the configuration information.

The detected USS set refers to a set of USSs that the terminal needs to search.

In this step, it is determined whether the sum of the number of USS PDCCH candidate sets of the current USS search space set and the number of PDCCH candidate sets that have been detected exceeds X2 and whether the sum of the number of non-overlapping CCEs of the current USS search space set and the number of non-overlapping CCEs that have been detected exceeds Y2 according to the index order (e.g., order from small to large) of the USS search space set.

Furthermore, the terminal will not detect the PDCCH candidate set of the USS search space set that is not allocated to the detected USS set.

In the embodiment of the present invention, in order to improve the flexibility of detection, the number of PDCCH candidate sets that have been detected may be determined by any one of the following ways:

(1) the sum of the number of candidate sets of CSS PDCCH that have been detected and the number of candidate sets of USS PDCCH that have been detected;

(2) the sum of the number X1 of candidate sets of CSS PDCCH with the largest detection within one slot and the number of candidate sets of USS PDCCH that have already been detected.

In the embodiment of the present invention, the number of non-overlapping CCEs that have been detected can be determined by any one of the following ways:

(1) the sum of the number of non-overlapping CCEs of the CSS that have been detected and the number of non-overlapping CCEs of the USS that have been detected.

(2) The sum of the number of non-overlapping CCEs Y1 of the largest detected CSS within a slot and the number of non-overlapping CCEs of the USS that have already been detected.

For example, X1 is 20 and X2 is 40.

And the terminal judges whether the PDCCH candidate set of the current CSS search space set is allocated to the detected CSS set according to the sequence of the search space indexes of the CSS, namely whether the current CSS search space is detected. Assume that a candidate set of 18 CSS PDCCHs has been detected. The number of PDCCH candidate sets of the current CSS search space #3 is 3. Since the sum of the number of CSS PDCCH candidate sets of the current CSS search space and the number of CSS PDCCH candidate sets that have already been detected (18+3 ═ 21) exceeds 20, the terminal no longer detects CSS PDCCHs.

And the terminal continuously judges whether the PDCCH candidate set of the current USS search space set is allocated to the detected USS set according to the sequence of the search space indexes of the USS, namely whether a certain USS search space set is detected. Assume that the number of candidate sets of USS PDCCH with the lowest current search space index is 4. Corresponding to the above-mentioned manner of determining the number of the detected PDCCH candidate sets, the following processes may be performed:

(1) the number of PDCCH candidate sets that have been detected is: the sum of the number of candidate sets of CSS PDCCH that have been detected and the number of candidate sets of USS PDCCH that have been detected.

The terminal has detected a candidate set of 18 CSS PDCCHs, and then, if the number of candidate sets of USS PDCCHs is 4, i.e. 18+4 equals 22, and less than X2 equals 40, the terminal may assign the PDCCH candidate set of the current USS search space set to the detected USS set, i.e. may detect the USS search space set.

(2) The number of PDCCH candidate sets that have been detected is: the sum of the number X1 of candidate sets of CSS PDCCH with the largest detection within one slot and the number of candidate sets of USS PDCCH that have already been detected.

The number X1 of the candidate set of the CSS PDCCH detected maximally in one slot of the terminal is 20, plus 4, i.e. 18+4 is 22 and less than X2 is 40, the terminal may assign the PDCCH candidate set of the current USS search space set to the detected USS set, i.e. may detect the USS search space set.

The embodiment of the invention also provides a control channel processing device which is applied to the terminal. Referring to fig. 3, fig. 3 is a structural diagram of a control channel processing apparatus according to an embodiment of the present invention. Because the principle of the control channel processing apparatus for solving the problem is similar to the control channel processing method in the embodiment of the present invention, the implementation of the control channel processing apparatus may refer to the implementation of the method, and repeated details are not repeated.

As shown in fig. 3, the control channel processing apparatus 300 includes: a first obtaining module 301, configured to obtain the number of first CSS PDCCH candidate sets; a first determining module 302, configured to determine CCE indexes of CSS PDCCH candidate sets according to the number of the first CSS PDCCH candidate sets and the number of the second CSS PDCCH candidate sets; wherein the number of the first CSS PDCCH candidate sets is smaller than the number of the second CSS PDCCH candidate sets.

The index of CCE of (a) is:

wherein:

in the case of the CSS, the,

n_CI＝0；

N_CCE，prepresenting the number of CCEs in CORESET p;

n_CIa representative carrier indicator;

i is an integer, and i is more than 0 and less than or equal to L-1.

The apparatus provided in the embodiment of the present invention may implement the method embodiments, and the implementation principle and the technical effect are similar, which are not described herein again.

The embodiment of the invention also provides a control channel processing device which is applied to the terminal. Referring to fig. 4, fig. 4 is a structural diagram of a control channel processing apparatus according to an embodiment of the present invention. Because the principle of the control channel processing apparatus for solving the problem is similar to the control channel processing method in the embodiment of the present invention, the implementation of the control channel processing apparatus may refer to the implementation of the method, and repeated details are not repeated.

As shown in fig. 4, the control channel processing apparatus 400 includes: a first obtaining module 401, configured to obtain configuration information; a first determining module 402, configured to determine whether to allocate a PDCCH candidate set of a current CSS search space set to a detected CSS set according to the configuration information; a second determining module 403, configured to determine whether to allocate the PDCCH candidate set of the current USS search space set to the detected USS set according to the configuration information;

Wherein the first determining module comprises:

Wherein the apparatus may further comprise:

Wherein, the CCE index of the CSS PDCCH is determined as follows:

The index of CCE of (a) is:

wherein:

in the case of the CSS, the,

n_CI＝0；

N_CCE,prepresenting the number of CCEs in CORESET p;

n_CIa representative carrier indicator;

i is an integer, and i is more than 0 and less than or equal to L-1.

Wherein the second determining module comprises:

Wherein the apparatus further comprises:

The embodiment of the invention also provides a control channel processing device which can be applied to the terminal. Referring to fig. 5, fig. 5 is a structural diagram of a control channel processing apparatus according to an embodiment of the present invention. Because the principle of the control channel processing apparatus for solving the problem is similar to the control channel processing method in the embodiment of the present invention, the implementation of the control channel processing apparatus may refer to the implementation of the method, and repeated details are not repeated.

As shown in fig. 5, the control channel processing apparatus 500 includes: a processor 501 and a transceiver 502;

the processor 501 is configured to obtain the number of first CSS PDCCH candidate sets; determining CCE indexes of the CSS PDCCH candidate sets according to the number of the first CSS PDCCH candidate sets and the number of the second CSS PDCCH candidate sets;

Wherein the processor is configured to determine a CCE index as follows:

The index of CCE of (a) is:

wherein:

in the case of the CSS, the,

n_CI＝0；

N_CCE,prepresenting the number of CCEs in CORESET p;

n_CIa representative carrier indicator;

i is an integer, and i is more than 0 and less than or equal to L-1.

The embodiment of the invention also provides a control channel processing device which can be applied to the terminal. Referring to fig. 6, fig. 6 is a structural diagram of a control channel processing apparatus according to an embodiment of the present invention. Because the principle of the control channel processing apparatus for solving the problem is similar to the control channel processing method in the embodiment of the present invention, the implementation of the control channel processing apparatus may refer to the implementation of the method, and repeated details are not repeated.

As shown in fig. 6, the control channel processing apparatus 600 includes: a processor 601 and a transceiver 602;

the processor 601 is configured to obtain configuration information; determining whether a PDCCH candidate set of a current CSS search space set is allocated to a detected CSS set or not according to the configuration information; determining whether to allocate a PDCCH candidate set of a current USS search space set to a detected USS set or not according to the configuration information;

Wherein the processor is configured to:

The index of CCE of (a) is:

wherein:

in the case of the CSS, the,

n_CI＝0；

N_CCE,prepresenting the number of CCEs in CORESET p;

n_CIa representative carrier indicator;

i is an integer, and i is more than 0 and less than or equal to L-1.

Wherein the processor is configured to:

judging whether the sum of the number of USS PDCCH candidate sets of the current USS search space set and the number of PDCCH candidate sets which are detected exceeds X2 and whether the sum of the number of non-overlapping CCEs of the current USS search space set and the number of non-overlapping CCEs which are detected exceeds Y2 according to the index sequence of the USS search space set;

Wherein the processor is configured to:

As shown in fig. 7, the communication device according to the embodiment of the present invention, which is applicable to a terminal, includes: the processor 700, which is used to read the program in the memory 720, executes the following processes:

acquiring the number of first CSS PDCCH candidate sets; determining CCE indexes of the CSS PDCCH candidate sets according to the number of the first CSS PDCCH candidate sets and the number of the second CSS PDCCH candidate sets;

A transceiver 710 for receiving and transmitting data under the control of the processor 700.

Where in fig. 7, the bus architecture may include any number of interconnected buses and bridges, with various circuits being linked together, particularly one or more processors represented by processor 700 and memory represented by memory 720. The bus architecture may also link together various other circuits such as peripherals, voltage regulators, power management circuits, and the like, which are well known in the art, and therefore, will not be described any further herein. The bus interface provides an interface. The transceiver 710 may be a number of elements including a transmitter and a receiver that provide a means for communicating with various other apparatus over a transmission medium. The user interface 730 may also be an interface capable of interfacing with a desired device for different user devices, including but not limited to a keypad, display, speaker, microphone, joystick, etc.

The processor 700 is responsible for managing the bus architecture and general processing, and the memory 720 may store data used by the processor 700 in performing operations.

The processor 710 may be a Central Processing Unit (CPU), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA), or a Complex Programmable Logic Device (CPLD), and may also have a multi-core architecture.

The number of the second CSS PDCCH candidate set is predefined or preconfigured by the network side.

The processor 700 is further configured to read the program and execute the following steps:

The index of CCE of (a) is:

wherein:

in the case of the CSS, the,

n_CI＝0；

N_CCE，prepresenting the number of CCEs in CORESET p;

n_CIa representative carrier indicator;

i is an integer, and i is more than 0 and less than or equal to L-1.

The device provided by the embodiment of the present invention may implement the above method embodiment, and the implementation principle and technical effect are similar, which are not described herein again.

As shown in fig. 8, the communication device according to the embodiment of the present invention, which is applicable to a terminal, includes: the processor 800, which is used to read the program in the memory 820, executes the following processes:

acquiring configuration information;

A transceiver 810 for receiving and transmitting data under the control of the processor 800.

Where in fig. 8, the bus architecture may include any number of interconnected buses and bridges, with various circuits being linked together, particularly one or more processors represented by processor 800 and memory represented by memory 820. The bus architecture may also link together various other circuits such as peripherals, voltage regulators, power management circuits, and the like, which are well known in the art, and therefore, will not be described any further herein. The bus interface provides an interface. The transceiver 810 may be a number of elements including a transmitter and a receiver that provide a means for communicating with various other apparatus over a transmission medium. The user interface 830 may also be an interface capable of interfacing with a desired device for different user devices, including but not limited to a keypad, a display, a speaker, a microphone, a joystick, etc.

The processor 800 is responsible for managing the bus architecture and general processing, and the memory 820 may store data used by the processor 800 in performing operations.

The processor 810 may be a Central Processing Unit (CPU), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA), or a Complex Programmable Logic Device (CPLD), and may also have a multi-core architecture.

The processor 800 is further configured to read the program and execute the following steps:

the PDCCH candidate set not allocated to the CSS search space set of the detected CSS set is not detected.

the CCE index of the CSS PDCCH is determined as follows:

The index of CCE of (a) is:

wherein:

in the case of the CSS, the,

n_CI＝0；

N_CCE，prepresenting the number of CCEs in CORESET p;

n_CIa representative carrier indicator;

i is an integer, and i is more than 0 and less than or equal to L-1.

determining the number of the detected PDCCH candidate sets by any one of:

The embodiment of the present invention further provides a readable storage medium, where a program is stored on the readable storage medium, and when the program is executed by a processor, the program implements each process of the control channel processing method embodiment, and can achieve the same technical effect, and in order to avoid repetition, the detailed description is omitted here. The readable storage medium may be any available medium or data storage device that can be accessed by a processor, including but not limited to magnetic memory (e.g., floppy disk, hard disk, magnetic tape, magneto-optical disk (MO), etc.), optical memory (e.g., CD, DVD, BD, HVD, etc.), and semiconductor memory (e.g., ROM, EPROM, EEPROM, nonvolatile memory (NAND FLASH), Solid State Disk (SSD)), etc.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. With such an understanding, the technical solutions of the present invention may be embodied in the form of a software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal (such as a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the methods according to the embodiments of the present invention.

While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.

Claims

1. A control channel processing method is applied to a terminal, and is characterized by comprising the following steps:

acquiring the number of PDCCH candidate sets of a first common search space set (CSS);

determining a Control Channel Element (CCE) index of the CSS PDCCH candidate set according to the number of the first CSS PDCCH candidate set and the number of the second CSS PDCCH candidate set;

2. The method of claim 1, wherein the number of the second CSS PDCCH candidate sets is predefined or preconfigured by a network side.

3. The method of claim 1, wherein determining a Control Channel Element (CCE) index for a CSS PDCCH candidate set according to a number of first CSS PDCCH candidate sets and a number of second CSS PDCCH candidate sets comprises:

The index of CCE of (a) is:

wherein:

in the case of the CSS, the,

N_CCE,prepresenting the number of CCEs in CORESET p;

n_CIa representative carrier indicator;

i is an integer, and i is more than 0 and less than or equal to L-1.

4. A control channel processing method is applied to a terminal, and is characterized in that the method comprises the following steps:

acquiring configuration information;

5. The method of claim 4, wherein the determining whether to allocate the PDCCH candidate set of the current CSS search space set to the detected CSS set according to the configuration information comprises:

6. The method of claim 5, wherein the detection order of the CSS search space sets is an order of CSS search space set indexes from small to large, or the detection order of the CSS search space sets is an order of predefined CSS search space set types, or the detection order of the CSS search space sets is an order of CSS search space set types configured by a network side.

7. The method of claim 5, further comprising:

8. The method of claim 5, wherein the CCE index of the CSS PDCCH is determined as follows:

The index of CCE of (a) is:

wherein:

in the case of the CSS, the,

N_CCE,prepresenting the number of CCEs in CORESET p;

n_CIa representative carrier indicator;

i is an integer, and i is more than 0 and less than or equal to L-1.

9. The method of claim 4, wherein determining whether to allocate the PDCCH candidate set of the current USS search space set to the detected USS set according to the configuration information comprises:

10. The method of claim 9, further comprising:

11. The method of claim 9, wherein the number of the detected PDCCH candidate sets is determined by any one of:

12. A control channel processing apparatus applied to a terminal, the apparatus comprising:

13. A control channel processing apparatus applied to a terminal, the apparatus comprising:

the first acquisition module is used for acquiring configuration information;

14. A control channel processing apparatus applied to a terminal, the apparatus comprising: a processor and a transceiver;

the processor is configured to obtain a number of first CSS PDCCH candidate sets; determining CCE indexes of the CSS PDCCH candidate sets according to the number of the first CSS PDCCH candidate sets and the number of the second CSS PDCCH candidate sets;

15. A control channel processing apparatus applied to a terminal, the apparatus comprising: a processor and a transceiver;

16. A communication device, comprising: a transceiver, a memory, a processor, and a program stored on the memory and executable on the processor; it is characterized in that the preparation method is characterized in that,

the processor, which is used for reading the program in the memory to realize the steps in the control channel processing method according to any one of claims 1 to 3; or implementing the steps in the control channel processing method according to any of claims 4 to 11.

17. A readable storage medium storing a program, wherein the program when executed by a processor implements the steps in the control channel processing method according to any one of claims 1 to 3; or implementing the steps in the control channel processing method according to any of claims 4 to 11.