CN114070491B

CN114070491B - Method and device for determining semi-static feedback codebook and storage medium

Info

Publication number: CN114070491B
Application number: CN202011087013.9A
Authority: CN
Inventors: 司倩倩; 高雪娟
Original assignee: Datang Mobile Communications Equipment Co Ltd
Current assignee: Datang Mobile Communications Equipment Co Ltd
Priority date: 2020-08-07
Filing date: 2020-10-12
Publication date: 2023-01-20
Anticipated expiration: 2040-10-12
Also published as: CN114070491A

Abstract

The embodiment of the application provides a method, a device and a storage medium for determining a semi-static feedback codebook, wherein the method comprises the following steps: when a reference starting value and length indication value SLIV mode is used for scheduling a Physical Downlink Shared Channel (PDSCH) in one carrier configuration, and the repeated transmission of the PDSCH is not configured and/or the semi-persistent scheduling SPS transmission is not configured, a SLIV set in a preset time domain resource allocation TDRA table is expanded in a target time slot, and a semi-persistent feedback codebook is determined based on the SLIV set after each target time slot is expanded, wherein the target time slot is a time slot of a Physical Downlink Control Channel (PDCCH) detection opportunity of Downlink Control Information (DCI) with a preset format. The embodiment of the application removes redundant feedback bits, reduces the size of the semi-static feedback codebook and improves the feedback performance.

Description

Method and device for determining semi-static feedback codebook and storage medium

Technical Field

The present application relates to the field of communications technologies, and in particular, to a method and an apparatus for determining a semi-static feedback codebook, and a storage medium.

Background

A reference Start and Length Indicator Value (SLIV) may be used for scheduling a Physical Downlink Shared Channel (PDSCH). At this time, the semi-static codebook is expanded based on SLIVs in time slots corresponding to all Hybrid Automatic Repeat Request (HARQ) feedback timing values K1. For example, two Physical Downlink Control Channel (PDCCH) detection opportunities (Monitoring acquisition, MO) exist in a current timeslot, a Time Domain Resource Allocation (TDRA) table includes 4 SLIVs, and when a semi-static codebook is determined for the timeslot, the timeslot needs to be extended to 8 SLIVs, and 4-bit feedback information is correspondingly generated. However, actually, in the time slot corresponding to K1, DCI format 1_2 is not transmitted in all time slots, so the current semi-static codebook determination method has redundant feedback information bits.

Disclosure of Invention

The embodiment of the application provides a method and a device for determining a semi-static codebook and a storage medium, which are used for solving the problem that redundant feedback information bits exist in the existing semi-static codebook determination mode.

In a first aspect, an embodiment of the present application provides a method for determining a semi-static codebook, including:

when a carrier is configured with a Physical Downlink Shared Channel (PDSCH) in a mode of using a reference starting value and a length indication value (SLIV) to schedule the PDSCH and not configuring repeated transmission of the PDSCH and/or not configuring semi-persistent scheduling (SPS) transmission, a SLIV set in a preset time domain resource allocation TDRA table is expanded in a target time slot, and a semi-persistent feedback codebook is determined based on the SLIV set after each target time slot is expanded, wherein the target time slot is a time slot of a Physical Downlink Control Channel (PDCCH) detection opportunity with DCI in a preset format.

In a second aspect, an embodiment of the present application provides an apparatus for determining a semi-static feedback codebook, including a memory, a transceiver, and a processor:

a memory for storing a computer program; a transceiver for transceiving data under control of the processor; a processor for reading the computer program in the memory and performing the following operations:

In a third aspect, an embodiment of the present application provides an apparatus for determining a semi-static feedback codebook, including:

the determining module is configured to, when a reference starting point and length indication value SLIV mode is used for scheduling a Physical Downlink Shared Channel (PDSCH) in one carrier configuration, and repeated transmission of the PDSCH is not configured and/or semi-persistent scheduling (SPS) transmission is not configured, expand a SLIV set in a preset time domain resource allocation TDRA table in a target time slot, and determine a semi-persistent feedback codebook based on the SLIV set after each target time slot is expanded, wherein the target time slot is a time slot of a Physical Downlink Control Channel (PDCCH) detection opportunity with DCI in a preset format.

In a fourth aspect, the present application provides a processor-readable storage medium, which stores a computer program for causing a processor to execute the steps of the method according to the first aspect.

According to the method, the device and the storage medium for determining the semi-static feedback codebook provided by the embodiment of the application, when a PDSCH is scheduled in a carrier configuration by using a reference SLIV mode, only SLIV sets in a preset TDRA table are expanded in a target time slot, the semi-static feedback codebook is determined based on the SLIV set after each target time slot is expanded, and the target time slot is a time slot with a PDCCH (physical downlink control channel) detection opportunity of DCI (Downlink control information) in a preset format.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a flowchart illustrating steps of a method for determining a semi-static feedback codebook according to an embodiment of the present application;

fig. 2 is a transmission diagram of a first embodiment in the present application;

FIG. 3 is a transmission diagram of a second embodiment of the present application;

FIG. 4 is a transmission diagram of a third embodiment of the present application;

FIG. 5 is a schematic structural diagram of an apparatus for determining a semi-static feedback codebook according to an embodiment of the present application;

fig. 6 is a block diagram of a device for determining a semi-static feedback codebook according to an embodiment of the present application.

Detailed Description

In the embodiment of the present application, the term "and/or" describes an association relationship of associated objects, and means that there may be three relationships, for example, a and/or B, which may mean: 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 obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort belong to the protection scope of the present application.

Specifically, in a New Radio (NR) system of the fifth generation, a Hybrid Automatic Repeat Request (HARQ) feedback timing value K1 indicates a slot offset number of a Physical Uplink Control Channel (PUCCH) carrying HARQ-ACK feedback with respect to a PDSCH or a PDCCH indicating Semi-Persistent Scheduling (Semi Persistent Scheduling) PDSCH release. A Downlink Control Indicator (DCI) format 1_0 includes a 3-bit HARQ feedback timing indication information field mapped to one of a predetermined HARQ feedback timing value set {1,2,3,4,5,6,7,8 }. DCI format 1_1 may include 0, 1,2, or 3-bit HARQ feedback timing indication information field, where the specific number of bits depends on the number of elements in the HARQ feedback timing value set configured by the higher layer signaling, and the HARQ feedback timing value indicated by DCI format 1_1 is mapped to one of a set of HARQ feedback timing value sets configured by the higher layer signaling.

Currently in NR communication systems, supporting HARQ-ACK feedback uses semi-static codebook and dynamic codebook schemes. When the terminal is configured to use the semi-static HARQ-ACK codebook, the terminal first determines a PDSCH position set M _ (A, C) corresponding to the same time slot n for HARQ-ACK feedback on each carrier (carrier) according to the HARQ-ACK feedback timing sequence (K1), the semi-static time slot structure (if configured) and the PDSCH candidate time domain resource allocation information. And then mapping the HARQ-ACK of the PDSCH received in the PDSCH position set to the corresponding position in the HARQ-ACK feedback sequence according to M (A, C), thereby obtaining the HARQ-ACK codebook transmitted in the time slot n. Specifically, the terminal determines the number of time slots that need to be fed back in a time slot on a carrier based on the HARQ feedback timing configured by the higher layer signaling, and then determines the maximum number of PDSCHs that can be transmitted in each time slot in the time slots. If a semi-static slot structure is configured, candidate PDSCHs that do not satisfy the PDSCH transmission condition need to be removed based on the slot structure. When carrier aggregation exists, the HARQ-ACK codebook on each carrier needs to be determined according to the process, and finally the HARQ-ACK codebooks of different carriers are cascaded according to the carrier sequence to obtain the final HARQ-ACK codebook.

The scheduling method of the reference SLIV is supported, that is, the starting position of the PDCCH is used as a reference point for PDSCH transmission, so that the number of rows in the TDRA table can be significantly reduced, thereby reducing the overhead of the corresponding information field in the DCI, or more SLIVs can be configured under the condition that the indicated bit number is not changed, thereby improving the scheduling flexibility. The protocol provides for indicating, by higher layer signaling, whether the TDRA employs a new reference SLIV, and when the terminal is configured to use the reference SLIV, if the DCI format 1_2 scheduled PDSCH transmission is received and K0=0 is indicated, the PDSCH mapping type is B, then the starting position of the PDSCH is determined relative to the starting symbol of the PDCCH detection opportunity. At present, the scheduling mode can be used for the scheduling of the carrier and the cross-carrier scheduling, and the scheduling carrier and the scheduled carrier have the same baseband parameters, and the cross-carrier scheduling scene with different baseband parameters is not supported.

When the PDSCH is scheduled by using the reference SLIV, the semi-static codebook is currently expanded based on the SLIVs in all the time slots corresponding to K1, but in the time slots corresponding to K1, DCI formats 1_2 are not transmitted in all the time slots, so that redundant feedback information bits exist in the current semi-static codebook determination method.

Therefore, embodiments of the present application provide a method, an apparatus, and a storage medium for determining a semi-static feedback codebook, so as to solve a problem that redundant feedback information bits exist in a current semi-static codebook determination manner.

It should be noted that, of course, the present application may be executed by a terminal, may also be executed by a network side, and may also be executed by both the terminal and a network side device, which is not limited herein.

The method and the device are based on the same application concept, and because the principles of solving the problems of the method and the device are similar, the implementation of the device and the method can be mutually referred, and repeated parts are not repeated.

The technical scheme provided by the embodiment of the application can be suitable for various systems, particularly 5G systems. For example, suitable systems may be global system for mobile communications (GSM) systems, code Division Multiple Access (CDMA) systems, wideband Code Division Multiple Access (WCDMA) General Packet Radio Service (GPRS) systems, long Term Evolution (LTE) systems, LTE Frequency Division Duplex (FDD) systems, LTE Time Division Duplex (TDD) systems, long term evolution (long term evolution) systems, LTE-a systems, universal mobile systems (universal mobile telecommunications systems, UMTS), universal internet Access (world interoperability for microwave Access (WiMAX) systems, new Radio interface (NR) systems, etc. These various systems include terminal devices and network devices. The System may further include a core network portion, such as an Evolved Packet System (EPS), a 5G System (5 GS), and the like.

The terminal device referred to in the embodiments of the present application may refer to a device providing voice and/or data connectivity to a user, a handheld device having a wireless connection function, or another processing device connected to a wireless modem. In different systems, the names of the terminal devices may be different, for example, in a 5G system, the terminal device may be called a User Equipment (UE). A wireless terminal device, which may be a mobile terminal device such as a mobile phone (or called a "cellular" phone) and a computer having a mobile terminal device, for example, a portable, pocket, hand-held, computer-included or vehicle-mounted mobile device, may communicate with one or more Core Networks (CNs) via a Radio Access Network (RAN), and may exchange languages and/or data with the RAN. Examples of such devices include Personal Communication Service (PCS) phones, cordless phones, session Initiation Protocol (SIP) phones, wireless Local Loop (WLL) stations, and Personal Digital Assistants (PDAs). The wireless terminal device may also be referred to as a system, a subscriber unit (subscriber unit), a subscriber station (subscriber station), a mobile station (mobile), a remote station (remote station), an access point (access point), a remote terminal device (remote terminal), an access terminal device (access terminal), a user terminal device (user terminal), a user agent (user agent), and a user device (user device), which are not limited in this embodiment of the present application.

The network device according to the embodiment of the present application may be a base station, and the base station may include a plurality of cells for providing services to a terminal. A base station may also be called an access point, or may be a device in an access network that communicates over the air-interface, through one or more sectors, with wireless terminal devices, or by other names, depending on the particular application. The network device may be configured to exchange received air frames with Internet Protocol (IP) packets as a router between the wireless terminal device and the rest of the access network, which may include an Internet Protocol (IP) communication network. The network device may also coordinate attribute management for the air interface. For example, the network device according to the embodiment of the present application may be a Base Transceiver Station (BTS) in a Global System for Mobile communications (GSM) or a Code Division Multiple Access (CDMA), a network device (NodeB) in a Wideband Code Division Multiple Access (WCDMA), an evolved Node B (eNB) or an e-NodeB) in a Long Term Evolution (LTE) System, a 5G Base Station (gNB) in a 5G network architecture (next generation System), a Home evolved Node B (HeNB), a relay Node (relay Node), a Home Base Station (femto), a pico Base Station (pico), and the like, which are not limited in the embodiments of the present application. In some network architectures, a network device may include a Centralized Unit (CU) node and a Distributed Unit (DU) node, which may also be geographically separated.

The present application is explained in detail below.

As shown in fig. 1, a flowchart of steps of a method for determining a semi-static feedback codebook in an embodiment of the present application is shown, where the method includes the following steps:

step 101: when a reference SLIV mode is used for scheduling PDSCH in one carrier configuration and PDSCH repeated transmission is not configured and/or semi-static scheduling SPS transmission is not configured, an SLIV set in a preset TDRA table is expanded in a target time slot, and a semi-static feedback codebook is determined based on the expanded SLIV set of each target time slot.

Specifically, the target time slot is a time slot in which a PDCCH detection opportunity of DCI with a preset format exists.

Specifically, when a reference SLIV-based scheduling mode is configured on one carrier and PDSCH repeated transmission and/or SPS transmission is not configured, a target time slot with a PDCCH detection opportunity of DCI with a preset format may be determined in a time slot corresponding to the HARQ feedback timing value K1, and then an SLIV set in a preset TDRA table is extended in each target time slot, so as to determine a semi-persistent feedback codebook; that is, in this embodiment, only the SLIV in the time slot in which the detection opportunity of the DCI with the preset format exists is extended, instead of extending the semi-static codebook based on the SLIV in the time slot corresponding to all HARQ feedback timing values K1, so that the problem that redundant feedback information bits exist in the time slot corresponding to K1 when the DCI with the preset format is not transmitted in all time slots is avoided, the redundant feedback bits are removed, the size of the semi-static codebook is reduced, and the feedback performance is improved.

It should be noted that the DCI of the default format is 1_2 format, that is, the DCI format (format) is DCI format 1_2.

In addition, specifically, in this embodiment, the target timeslot may be determined in the timeslot corresponding to the HARQ feedback timing value based on the physical resource set (CORESET) configuration information and the search space configuration information of the DCI with the preset format. That is, when the target time slot is determined in the time slot corresponding to the HARQ feedback time slot value, it may be determined, based on the CORESET configuration and the search space configuration of the DCI in the preset format, in which time slots the DCI in the preset format is transmitted, so as to determine the target time slot in which the DCI in the preset format is present in the time slot corresponding to the HARQ feedback time sequence value.

Optionally, in this embodiment, the repeated transmission of the PDSCH is not configured, which may include any one of the following cases:

the radio resource control RRC parameter pdsch _ config does not include the pdsch _ aggregationfactor and the RRC parameter SPS _ config does not include the pdsch _ aggregationfactor-r16; alternatively, the first and second electrodes may be,

the RRC parameter pdsch _ config does not include the pdsch _ aggregationfactor, the RRC parameter SPS _ config does not include the pdsch _ aggregationfactor-r16, and the resettionnumber-r 16 is not configured.

That is, in any of the above cases, it can be determined that the PDSCH is not configured for repeated transmission.

Furthermore, in this embodiment, optionally, the condition for extending the SLIV set in the preset TDRA table in the target timeslot includes: feedback information for SPS transmitted using the reference SLIV is not included in the semi-static codebook.

Specifically, the semi-static codebook does not include feedback information of SPS transmitted using the reference SLIV, and may be: the base station does not configure reference SLIV and SPS transmissions simultaneously on one carrier; or when the base station configures the reference SLIV, the SPS cannot use the reference SLIV for transmission, namely the DCI format 1_2 cannot be used for activating SPS transmission; or the base station is configured not to transmit SPS in slots where the reference SLIV is present.

Further, since the SLIV extension behavior is performed separately for each carrier, the feedback information that the semi-static codebook does not include the SPS transmitted using the reference SLIV may be performed separately for each carrier, that is, the feedback information that the semi-static codebook does not include the feedback information of the SPS transmitted using the reference SLIV for the carrier.

Optionally, in this embodiment, when the SLIV set in the preset TDRA table is extended in the target timeslot, a PDCCH detection opportunity corresponding to DCI of a preset format in each target timeslot may be determined first; and then expanding the SLIV set in the TDRA table corresponding to the DCI with the preset format based on the PDCCH detection opportunity corresponding to the DCI with the preset format in each target time slot to obtain the expanded SLIV set corresponding to each target time slot.

Specifically, when determining the PDCCH detection opportunity corresponding to the DCI with the preset format in each target time slot, the PDCCH detection opportunity corresponding to the DCI with the preset format in each target time slot may be determined based on the CORESET configuration information and the search space configuration information of the DCI with the preset format. That is, in this embodiment, based on the CORESET configuration information and the search space configuration information of the DCI with the preset format, in each target timeslot where the DCI with the preset format exists, the PDCCH detection opportunity corresponding to the DCI with the preset format is determined.

In addition, in this embodiment, specifically, SLIV extension of the TDRA based on a PDCCH detection opportunity corresponding to DCI of a preset format in a target timeslot is performed for each target timeslot, that is, different target timeslots may obtain different extended SLIV sets; in addition, the extended SLIV set corresponding to each target timeslot is extended based on a preset TDRA table in the target timeslot, that is, each target timeslot corresponds to the preset TDRA table, and each target timeslot performs SLIV extension based on the preset TDRA table.

Further, optionally, in this embodiment, when determining the semi-static feedback codebook based on the extended SLIV set of each target timeslot, any one of the following manners may be included:

firstly, aiming at each target time slot, combining an extended SLIV set corresponding to the target time slot with an SLIV set in a preset TDRA table corresponding to the target time slot to obtain a combined TDRA table corresponding to the target time slot, determining a PDSCH transmission position set corresponding to a semi-static feedback codebook based on the TDRA table combined by the target time slot, and determining the semi-static feedback codebook based on the PDSCH transmission position set.

Specifically, for each timeslot, after the extended SLIV set corresponding to the timeslot is obtained, the extended SLIV set corresponding to the timeslot may be directly merged with the SLIV set in the original preset TDRA table, a PDSCH transmission position set corresponding to the semi-static feedback codebook is determined based on the merged TDRA table, and then the semi-static feedback codebook is determined based on the PDSCH transmission position set, so that the SLIV in the target time sequence is extended.

And secondly, deleting the repeated SLIVs in the extended SLIV set corresponding to the target time slot and the SLIV set in the preset TDRA table corresponding to the target time slot aiming at each target time slot, combining the rest SLIVs in the target SLIV set and the SLIV set in the preset TDRA table corresponding to the target time slot to obtain a combined TDRA table corresponding to the target time slot, determining a PDSCH transmission position set corresponding to the semi-static feedback codebook based on the TDRA table combined by the target time slot, and determining the semi-static feedback codebook based on the PDSCH transmission position set.

Specifically, for each timeslot, after an extended SLIV set corresponding to the timeslot is obtained, repeated SLIVs in the extended SLIV set corresponding to the timeslot and the SLIV set in the originally preset TDRA table may be directly deleted, remaining SLIVs in the target SLIV set and the SLIV set in the originally preset TDRA table of the target timeslot are merged, then a PDSCH transmission position set corresponding to the semi-static feedback codebook is determined based on the merged TDRA table, and finally the semi-static feedback codebook is determined based on the PDSCH transmission position set, so that when the SLIVs in the target time sequence are extended, redundant feedback bits are further reduced.

In this way, the SLIV set is expanded by any one of the above modes, and the semi-static feedback codebook is determined based on the SLIV set after each target time slot is expanded, so that redundant feedback bits are reduced.

In addition, optionally, in this embodiment, when determining the semi-static feedback codebook, when a PDSCH is scheduled by using an SLIV mode in one carrier configuration and a PDSCH repeated transmission and/or SPS transmission is configured at the same time, the SLIV set in the preset TDRA table may be extended based on PDCCH detection opportunities of DCI with a preset format in all target PDSCH transmission slots, and the semi-static feedback codebook is determined based on the extended SLIV set.

Specifically, when a reference-SLIV-based scheduling mode is configured on one carrier and PDSCH repeated transmission and/or SPS transmission is configured on the same carrier, a target PDSCH transmission time slot may be obtained, and then based on PDCCH detection opportunities of DCI (Downlink control information) with a preset format in all target PDSCH transmission time slots, an SLIV set in a preset TDRA table is expanded, so as to determine a semi-static feedback codebook; that is, in this embodiment, SLIVs in all time slots corresponding to the HARQ feedback time slot value K1 are extended based on all PDSCH transmission time slots, so as to ensure correct transmission of the semi-static feedback codebook under the condition of configuring the repeated transmission and/or SPS transmission of the PDSCH.

In addition, optionally, in this embodiment, when the SLIV set in the preset TDRA table is extended based on the PDCCH detection opportunity of the DCI with the preset format in all the target PDSCH transmission time slots, the target PDSCH transmission time slots are all the PDSCH transmission time slots, and at this time, the SLIV set in the preset TDRA table is extended based on the PDCCH detection opportunity of the DCI with the preset format in all the PDSCH transmission time slots.

In this way, the SLIV of the TDRA is extended based on the DCI detection opportunities with the preset format in all PDSCH transmission time slots, and the semi-static feedback codebook is determined based on the extended SLIV set, so that the possibility of the semi-static feedback codebook is increased.

The present application will be specifically described below with reference to specific examples.

The first embodiment:

the base station configures the set of timing value K1 of HARQ-ACK feedback used by the terminal as {4,5}, and configures the TDRA table used by the terminal as shown in table 1, assuming that DCI format 1_0, and DCI format 1_2 both use the following table to schedule PDSCH transmission.

TABLE 1

Row index	PDSCH mapping type	K0	S	L
					0	B	0	0	2
1	B	0	1	2
					2	B	0	1	5
3	B	0	4	3
					4	B	0	6	5
5	B	1	4	2

For the semi-static codebook transmitted in slot 5, the corresponding PDSCH transmission opportunities are located in slot 0 and slot 1. Since the terminal is configured with the scheduling mode based on the reference SLIV, the terminal needs to first determine that the slot in which the DCI format 1_2 is transmitted exists in slot 0 and slot 1, and based on the search space configuration of the CORSET and DCI format 1_2, the terminal has DCI format 1_2 transmission in slot 0, and therefore the TDRA table needs to be extended when determining the PDSCH transmission opportunity in slot 0.

As shown in fig. 2, there are two PDCCH detection opportunities of DCI format 1_2 in slot 0, starting at symbol #0 and symbol #7, respectively, and then the starting positions of the two PDCCH format 1_2 detection opportunities are used to extend the SLIV of TDRA, specifically, there are the following two ways:

first, in the original TDRA table (table 1), SLIVs with row index 0/1/2/3/4 correspond to PDSCH mapping type B and K0=0, so these SLIVs can be extended, and 10 new SLIVs can be obtained after the 5 original SLIVs detect opportunity starting position extension based on two DCI formats 1_2. However, the 10 th SLIV exceeds the slot boundary after extension, and is not a valid SLIV, so 9 new SLIVs are obtained, and the new TDRA table obtained by combining the SLIVs into the original TDRA table is shown in table 2 below:

TABLE 2

Row index	PDSCH mapping type	K0	S	L
					0	B	0	0	2
1	B	0	1	2
					2	B	0	1	5
3	B	0	4	3
					4	B	0	6	5
5	B	1	4	2
					6	B	0	0	2
7	B	0	1	2
					8	B	0	1	5
9	B	0	4	3
					10	B	0	6	5
11	B	0	7	2
					12	B	0	8	2
13	B	0	8	5
					14	B	0	11	3

The PDSCH transmission opportunity in slot 0 can be determined based on the SLIV set in table 2, because no detection opportunity of DCI format 1_2 exists in slot 1, the TDRA table in slot 1 does not need to be extended, the PDSCH transmission opportunity in slot 1 is still determined based on the SLIV set in table 1, finally, all PDSCH transmission opportunity sets in slot 0 and slot 1 can be obtained, and the corresponding semi-static feedback codebook is determined based on the PDSCH transmission received in the sets.

In the second way, in the TDRA table in table 1, the original SLIVs with row index 0/1/2/3/4 correspond to PDSCH mapping type B and K0=0, so these SLIVs can be extended, and 10 new SLIVs can be obtained after the 5 original SLIVs detect the opportunity starting position extension based on two DCI formats 1_2. But the 10 th SLIV is extended beyond the slot boundary and is not a valid SLIV, and 5 SLIVs are overlapped with the original SLIV, so that 4 new non-overlapping SLIVs are obtained, and the new TDRA table is obtained by merging the SLIVs into the original TDRA table as shown in table 3.

TABLE 3

Row index	PDSCH mapping type	K0	S	L
					0	B	0	0	2
1	B	0	1	2
					2	B	0	1	5
3	B	0	4	3
					4	B	0	6	5
5	B	1	4	2
					6	B	0	7	2
7	B	0	8	2
					8	B	0	8	5
9	B	0	11	3

The PDSCH transmission opportunity in timeslot 0 may be determined based on the SLIV set in table 3, and since the DCI format 1_2 detection opportunity does not exist in timeslot 1, the TDRA table does not need to be extended, the PDSCH transmission opportunity in timeslot 1 is still determined based on the SLIV set in table 1, and finally, all PDSCH transmission opportunity sets in timeslot 0 and timeslot 1 may be obtained, and the corresponding semi-static feedback codebook is determined based on the PDSCH transmission received in the sets.

Example two:

the base station configures the K1 set of HARQ-ACK feedback used by the terminal to be {4,5}, and configures the TDRA table used by the terminal as shown in table 4, assuming that DCI format 1 \ u 0, DCI format 1 \ u 1 and DCI format 1_2 all use the following tables to schedule PDSCH transmission.

TABLE 4

Row index	PDSCH mapping type	K0	S	L
					0	B	0	0	2
1	B	0	1	2

For the semi-static codebook transmitted in slot 5, the corresponding PDSCH transmission opportunity is located in slot 0 and slot 1, since the terminal is configured with the scheduling mode based on the reference SLIV, the terminal needs to first determine that there is a slot in slot 0 and slot 1 where DCI format 1_2 is transmitted, and based on the search space configuration of sets and DCI format 1_2, the terminal has DCI format 1_2 transmission in both slot 0 and slot 1, and thus when determining the PDSCH transmission opportunity in slot 0 and slot 1, the TDRA table needs to be extended.

As shown in fig. 3, there are 4 DCI format 1_2 detection opportunities in slot 0, starting at symbol #0, symbol #3, symbol #7 and symbol #10, respectively, and then the start position of the 4 DCI format 1_2 detection opportunities is extended for the SLIV of TDRA. In the TDRA table in table 4, the original SLIVs with row index of 0/1 correspond to PDSCH mapping type B and K0=0, so these SLIVs are extended, and these 2 original SLIVs can obtain 6 new SLIVs after detecting opportunity start position extension based on 4 DCI formats 1_2, and are merged into the original TDRA table to obtain a new TDRA table as shown in table 5 below.

TABLE 5

Row index	PDSCH mapping type	K0	S	L
					0	B	0	0	2
1	B	0	1	2
					2	B	0	3	2
3	B	0	4	2
					4	B	0	7	2
5	B	0	8	2
					6	B	0	10	2
7	B	0	11	2

There are 2 DCI format 1_2 detection opportunities in slot 1, starting at symbol #3 and symbol #10, respectively, and then the SLIV of the TDRA is extended based on the starting positions of these 2 DCI format 1_2 detection opportunities. In the TDRA table, the original SLIV with row index of 0/1 corresponds to PDSCH mapping type B and K0=0, so these SLIVs are extended, and these 2 original SLIVs can obtain 4 new SLIVs after detecting the opportunity start position extension based on 2 DCI formats 1_2, and the new TDRA table obtained by combining the SLIVs into the original TDRA table is shown in table 6 below.

TABLE 6

PDSCH transmission opportunities in slot 0 may be determined based on the SLIV set in table 5, PDSCH transmission opportunities in slot 1 may be determined based on the SLIV set in table 6, and finally, all PDSCH transmission opportunity sets in slot 0 and slot 1 may be obtained, and a corresponding semi-static feedback codebook may be determined based on PDSCH transmission received in the sets.

Example three:

referring to the scenario and configuration of the second embodiment, if the pdsch _ aggregationfactor is not included in the RRC parameter pdsch _ config and the pdsch _ aggregationfactor-r16 is not included in the RRC parameter SPS _ config (or the pdsch _ aggregationfactor is not included in the RRC parameter pdsch _ config, the pdsch _ aggregationfactor-r16 is not included in the RRC parameter SPS _ config and the repetition number-r16 is not configured), the base station and the terminal determine the semi-static feedback codebook according to the procedure of the second embodiment; on the contrary, if the PDSCH _ aggregationfactor is included in the RRC parameter PDSCH _ config or the PDSCH _ aggregationfactor-r16 is included in the RRC parameter SPS _ config (or the PDSCH _ aggregationfactor is included in the RRC parameter PDSCH _ config or the PDSCH _ aggregationfactor-r16 is included in the RRC parameter SPS _ config or the repetition number-r16 is configured), the terminal expands the SLIV in the TDRA table in all PDSCH transmission slots.

As shown in fig. 4, there are 4 DCI format 1_2 detection opportunities in slot 0, starting at symbol #0, symbol #3, symbol #7 and symbol #10, respectively, and 2 DCI format 1_2 detection opportunities in slot 1, starting at symbol #3 and symbol #10, respectively. The semi-static codebook transmitted in slot 5 is determined in the following manner:

the SLIV of the TDRA is extended based on the starting position of DCI format 1_2 detection opportunities in all PDSCH transmission slots, that is, based on the configured DCI format 1_2 detection opportunities, all possible starting positions are determined without considering which subframe DCI format 1_2 is transmitted in, assuming that the starting position of DCI format 1_2 detection opportunities in this embodiment may be symbol #5 in addition to symbol #0, symbol #3, symbol #7 and symbol #10, although this detection opportunity does not exist in slot 0 and slot 1, when performing the SLIV extension, the starting position set of DCI format 1_2 detection opportunities in all PDSCH transmission slots is considered to be symbol #0, symbol #3, symbol #5, symbol #7 and symbol #10, so 8 new SLIVs after extension can be obtained and combined into the original TDRA table to obtain a new TDRA table, and the new TDRA is shown in table 7.

TABLE 7

Row index	PDSCH mapping type	K0	S	L
					0	B	0	0	2
1	B	0	1	2
					2	B	0	3	2
3	B	0	4	2
					4	B	0	5	2
5	B	0	6	2
					6	B	0	7	2
7	B	0	8	2
					8	B	0	10	2
9	B	0	11	2

PDSCH transmission opportunities in slot 0 and slot 1 may be determined based on the SLIV set in table 7, then all PDSCH transmission opportunity sets in slot 0 and slot 1 may be obtained, and a corresponding semi-static feedback codebook is determined based on the PDSCH transmissions received in the sets.

Thus, the method only expands SLIVs in the time slot with the DCI format 1_2, and only expands detection opportunities corresponding to the DCI format 1_2 in the time slot, thereby removing redundant feedback bits, reducing the size of the semi-static codebook and improving the feedback performance.

In addition, it should be noted herein that the terminal side may determine the semi-static feedback codebook in the above manner, and the base station side behaves similarly to the terminal side, and when the terminal is configured to use the scheduling manner of the reference SLIV, the terminal extends the SLIV of the TDRA in the same manner, and receives the semi-static HARQ-ACK feedback codebook based on the new TDRA table. The terminal determines the size of the semi-static HARQ-ACK feedback codebook and the PDSCH transmission position corresponding to each feedback bit by adopting the mode, and then actual feedback information bits are arranged in the semi-static feedback codebook based on the demodulation information of the PDSCH and transmitted to the base station. The base station determines the size of the semi-static HARQ-ACK feedback codebook and the PDSCH transmission position corresponding to each feedback bit by adopting the mode, and obtains the receiving condition of the terminal for the PDSCH in the corresponding PDSCH transmission position based on the received semi-static codebook.

Fig. 5 is a schematic structural diagram of an apparatus for determining a semi-static feedback codebook according to an embodiment of the present application, and includes a memory 520, a transceiver 500, and a processor 510.

Wherein in fig. 5, the bus architecture may include any number of interconnected buses and bridges, with one or more processors, represented by processor 510, and various circuits, represented by memory 520, being linked together. 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 500 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 including wireless channels, wired channels, fiber optic cables, and the like. The processor 510 is responsible for managing the bus architecture and general processing, and the memory 520 may store data used by the processor 510 in performing operations.

The processor 510 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.

A memory 520 for storing a computer program; a transceiver 500 for transceiving data under the control of the processor; a processor 510 for reading the computer program in the memory and performing the following operations:

when a reference starting value and length indication value SLIV mode is used for scheduling a Physical Downlink Shared Channel (PDSCH) in one carrier configuration, and the repeated transmission of the PDSCH is not configured and/or the semi-persistent scheduling SPS transmission is not configured, a SLIV set in a preset time domain resource allocation TDRA table is expanded in a target time slot, and a semi-persistent feedback codebook is determined based on the SLIV set after each target time slot is expanded, wherein the target time slot is a time slot of a Physical Downlink Control Channel (PDCCH) detection opportunity of Downlink Control Information (DCI) with a preset format.

Optionally, the reconfiguring of the PDSCH repeated transmission includes:

the radio resource control RRC parameter pdsch _ config does not include the pdsch _ aggregationfactor and the RRC parameter SPS _ config does not include the pdsch _ aggregationfactor-r16;

alternatively, the RRC parameter pdsch _ config does not include the pdsch _ aggregationfactor, the RRC parameter SPS _ config does not include the pdsch _ aggregationfactor-r16, and the resettionnumber-r 16 is not configured.

Optionally, the condition for extending the SLIV set in the preset time domain resource allocation TDRA table in the target timeslot includes: feedback information for SPS transmitted using the reference SLIV is not included in the semi-static codebook.

Optionally, the expanding the SLIV set in the preset time domain resource allocation TDRA table in the target timeslot includes:

determining a PDCCH detection opportunity corresponding to DCI of a preset format in each target time slot;

and expanding the SLIV set in the TDRA table corresponding to the DCI with the preset format based on the PDCCH detection opportunity corresponding to the DCI with the preset format in each target time slot to obtain the expanded SLIV set corresponding to each target time slot.

Optionally, the determining a semi-static feedback codebook based on the extended SLIV set of each target timeslot includes:

for each target time slot, merging the extended SLIV set corresponding to the target time slot with an SLIV set in a preset TDRA table corresponding to the target time slot to obtain a merged TDRA table corresponding to the target time slot, determining a PDSCH (physical downlink shared channel) transmission position set corresponding to a semi-static feedback codebook based on the merged TDRA table of the target time slot, and determining the semi-static feedback codebook based on the PDSCH transmission position set; alternatively, the first and second electrodes may be,

and for each target time slot, deleting the repeated SLIVs in the SLIVs set in the extended SLIV set corresponding to the target time slot and the preset TDRA table corresponding to the target time slot, combining the rest SLIVs in the target SLIV set and the SLIVs set in the preset TDRA table corresponding to the target time slot to obtain a combined TDRA table corresponding to the target time slot, determining a PDSCH transmission position set corresponding to a semi-static feedback codebook based on the TDRA table combined by the target time slot, and determining the semi-static feedback codebook based on the PDSCH transmission position set.

Optionally, the target timeslot is determined in a timeslot corresponding to a HARQ feedback timing value based on physical resource set CORESET configuration information and search space configuration information of DCI in a preset format.

Optionally, the determining the PDCCH detection opportunity corresponding to the DCI with the preset format in each target timeslot includes:

and determining a PDCCH detection opportunity corresponding to the DCI with the preset format in each target time slot based on CORESET configuration information and search space configuration information of the DCI with the preset format.

Optionally, the method for determining the semi-static feedback codebook further includes:

when a PDSCH is scheduled by using an SLIV mode in one carrier configuration and the repeated transmission and/or SPS transmission of the PDSCH is configured at the same time, expanding an SLIV set in a preset TDRA table based on PDCCH detection opportunities of DCI (Downlink control information) with a preset format in all target PDSCH transmission time slots, and determining a semi-static feedback codebook based on the expanded SLIV set.

Optionally, the expanding the SLIV set in the preset TDRA table based on the PDCCH detection opportunities of the DCI with the preset format in all the target PDSCH transmission slots includes:

and the target PDSCH transmission time slot is all PDSCH transmission time slots, and the SLIV set in the preset TDRA table is expanded based on the PDCCH detection opportunity of the DCI with the preset format in all PDSCH transmission time slots.

Optionally, the DCI with the preset format is a DCI with a 1_2 format.

As can be seen from the foregoing embodiments, when a PDSCH is scheduled by using a reference SLIV mode in a configuration, the determining apparatus of the semi-static feedback codebook only expands the SLIV set in the preset TDRA table in the target time slot, and determines the semi-static feedback codebook based on the SLIV set after each target time slot is expanded, and the target time slot is a time slot in which a PDCCH detection opportunity of DCI in a preset format exists, which avoids the problem in the prior art that when the semi-static codebook is expanded based on the SLIV in the time slot corresponding to all HARQ feedback timing values, redundant feedback information bits exist due to DCI transmission in the preset format in not all time slots, removes the redundant feedback bits, reduces the size of the semi-static codebook, and improves the feedback performance.

Fig. 6 is a schematic structural diagram of a device for determining a semi-static feedback codebook according to an embodiment of the present application. The device includes:

a determining module 601, configured to, when a reference starting and length indication value SLIV mode is used for scheduling a physical downlink shared channel PDSCH in one carrier configuration, and a PDSCH is not configured for repeated transmission and/or a semi-persistent scheduling SPS transmission is not configured, extend a SLIV set in a preset time domain resource allocation TDRA table in a target time slot, and determine a semi-persistent feedback codebook based on the SLIV set after each target time slot is extended, where the target time slot is a time slot in which a PDCCH detection opportunity of a physical downlink control channel with a preset format downlink control information DCI exists.

Optionally, the reconfiguring of the PDSCH repeated transmission includes:

Optionally, the condition for extending the SLIV set in the preset time domain resource allocation TDRA table in the target timeslot includes: feedback information for SPS transmitted using a reference SLIV is not included in the semi-static codebook.

Optionally, based on the foregoing apparatus, the determining module 601 includes:

a first determining unit, configured to determine a PDCCH detection opportunity corresponding to DCI with a preset format in each target timeslot;

and a second determining unit, configured to expand the SLIV set in the TDRA table corresponding to the DCI with the preset format based on the PDCCH detection opportunity corresponding to the DCI with the preset format in each target time slot, to obtain an expanded SLIV set corresponding to each target time slot.

a third determining unit, configured to merge, for each target timeslot, the extended SLIV set corresponding to the target timeslot with a SLIV set in a preset TDRA table corresponding to the target timeslot to obtain a merged TDRA table corresponding to the target timeslot, determine, based on the merged TDRA table of the target timeslot, a PDSCH transmission position set corresponding to a semi-static feedback codebook, and determine the semi-static feedback codebook based on the PDSCH transmission position set; alternatively, the first and second electrodes may be,

a fourth determining unit, configured to delete, for each target timeslot, a repeated SLIV in a SLIV set in a preset TDRA table corresponding to the target timeslot in the extended SLIV set corresponding to the target timeslot, merge remaining SLIVs in the target SLIV set with SLIV sets in preset TDRA tables corresponding to the target timeslot to obtain a merged TDRA table corresponding to the target timeslot, determine, based on the TDRA table merged by the target timeslot, a PDSCH transmission position set corresponding to a semi-static feedback codebook, and determine the semi-static feedback codebook based on the PDSCH transmission position set.

Optionally, based on the foregoing apparatus, the determining module 601 is specifically configured to,

and determining the target time slot in the time slot corresponding to the HARQ feedback time sequence value of the hybrid automatic repeat request based on the CORESET configuration information and the search space configuration information of the DCI with the preset format.

Optionally, based on the apparatus, the first determining unit is specifically configured to determine, based on the CORESET configuration information and the search space configuration information of the DCI with the preset format, a PDCCH detection opportunity corresponding to the DCI with the preset format in each target timeslot.

Optionally, based on the above device, the determining module is further configured to,

Optionally, the determining module is further configured to,

Optionally, the DCI with the preset format is a DCI with a 1_2 format.

It can be seen from the foregoing embodiments that, when a PDSCH is scheduled by using a reference SLIV mode through a determination module, a SLIV set in a preset TDRA table is extended only in a target timeslot, and a semi-static feedback codebook is determined based on the SLIV set after each target timeslot is extended, where the target timeslot is a timeslot in which a PDCCH detection opportunity of DCI in a preset format exists, which avoids a problem in the prior art that when the semi-static codebook is extended based on the SLIV in timeslots corresponding to all HARQ feedback timing values, redundant feedback information bits exist due to the fact that DCI in the preset format does not exist in all timeslots, removes redundant feedback bits, reduces the size of the semi-static codebook, and improves feedback performance.

It should be noted that the division of the unit in the embodiment of the present application is schematic, and is only a logic function division, and there may be another division manner in actual implementation. In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.

The integrated unit, if implemented as a software functional unit and sold or used as a stand-alone product, may be stored in a processor readable storage medium. Based on such understanding, the technical solution of the present application may be substantially implemented or contributed by the prior art, or all or part of the technical solution may be embodied in a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, a network device, or the like) or a processor (processor) to execute all or part of the steps of the method according to the embodiments of the present application. And the aforementioned storage medium includes: various media capable of storing program codes, such as a usb disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.

It should be noted that the apparatus provided in the embodiment of the present application can implement all the method steps implemented by the method embodiment and achieve the same technical effect, and detailed descriptions of the same parts and beneficial effects as the method embodiment in this embodiment are omitted here.

On the other hand, the embodiment of the present application further provides a processor-readable storage medium, where a computer program is stored, and the computer program is used to enable the processor to execute the method described in the foregoing embodiment.

The processor-readable storage medium can 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 disks, hard disks, magnetic tape, magneto-optical disks (MOs), etc.), optical memory (e.g., CDs, DVDs, BDs, HVDs, etc.), and semiconductor memory (e.g., ROMs, EPROMs, EEPROMs, non-volatile memory (NAND FLASH), solid State Disks (SSDs)), etc.

As seen from the above embodiments, a processor-readable storage medium stores a computer program for causing the processor to execute the above determination method of the semi-static feedback codebook. Therefore, redundant feedback bits are removed, the size of the semi-static codebook is reduced, and the feedback performance is improved.

As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, optical storage, and the like) having computer-usable program code embodied therein.

The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer-executable instructions. These computer-executable instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.

These processor-executable instructions may also be stored in a processor-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the processor-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.

These processor-executable instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.

Claims

1. A method for determining a semi-static feedback codebook, comprising:

when a carrier is configured with a Physical Downlink Shared Channel (PDSCH) in a mode of using a reference starting value and a length indication value (SLIV) to schedule and not configure repeated transmission of the PDSCH and/or not configure semi-persistent scheduling (SPS) transmission, expanding SLIV sets in a preset Time Domain Resource Allocation (TDRA) table in a target time slot, and determining a semi-persistent feedback codebook based on the SLIV set after each target time slot is expanded, wherein the target time slot is a time slot with a Physical Downlink Control Channel (PDCCH) detection opportunity of Downlink Control Information (DCI) with a preset format;

the DCI with the preset format is a 1_2 DCI.

2. The method of claim 1, wherein the determination of the semi-static feedback codebook is characterized in that the repeated transmission of the unconfigured PDSCH comprises:

3. The method of claim 1, wherein the condition for extending the SLIV set in the preset time domain resource allocation TDRA table in the target timeslot comprises:

feedback information for SPS transmitted using the reference SLIV is not included in the semi-static feedback codebook.

4. The method of claim 1, wherein the expanding the set of SLIVs in the preset time domain resource allocation TDRA table in the target timeslot comprises:

5. The method of claim 1, wherein determining the semi-static feedback codebook based on the extended SLIV set for each target timeslot comprises:

and for each target time slot, deleting the repeated SLIVs in the SLIVs set in the extended SLIVs set corresponding to the target time slot and the preset TDRA table corresponding to the target time slot, combining the rest SLIVs in the extended SLIVs set corresponding to the target time slot with the SLIVs set in the preset TDRA table corresponding to the target time slot to obtain a combined TDRA table corresponding to the target time slot, determining a PDSCH transmission position set corresponding to a semi-static feedback codebook based on the TDRA table combined by the target time slot, and determining the semi-static feedback codebook based on the PDSCH transmission position set.

6. The method of determining a semi-static feedback codebook of claim 1, further comprising:

7. The method of claim 4, wherein the determining the PDCCH detection opportunity corresponding to the DCI with the preset format in each target timeslot comprises:

8. The method of claim 1, wherein the method of determining the semi-static feedback codebook further comprises:

9. The method of claim 8, wherein the extending the SLIV set in the predetermined TDRA table based on the PDCCH detection opportunities of DCI with a predetermined format in all target PDSCH transmission slots comprises:

10. An apparatus for determining a semi-static feedback codebook, comprising a memory, a transceiver, a processor:

when a carrier is configured with a Physical Downlink Shared Channel (PDSCH) in a mode of using a reference starting value and a length indication value (SLIV) to schedule the PDSCH and is not configured with repeated transmission of the PDSCH and/or is not configured with semi-persistent scheduling (SPS) transmission, expanding SLIV sets in a preset time domain resource allocation TDRA table in a target time slot, and determining a semi-persistent feedback codebook based on the SLIV set after each target time slot is expanded, wherein the target time slot is a time slot of a Physical Downlink Control Channel (PDCCH) detection opportunity with DCI in a preset format;

the DCI with the preset format is a 1_2 DCI.

11. The apparatus for determining semi-static feedback codebook of claim 10, wherein the repeated transmission of the non-configured PDSCH comprises:

12. The apparatus of claim 10, wherein the condition for extending the set of SLIVs in the preset time domain resource allocation TDRA table in the target timeslot comprises:

13. The apparatus of claim 10, wherein the expanding the set of SLIVs in a preset Time Domain Resource Allocation (TDRA) table in a target timeslot comprises:

14. The apparatus of claim 10, wherein the determining a semi-static feedback codebook based on the extended SLIV set for each target timeslot comprises:

15. The apparatus for determining a semi-static feedback codebook according to claim 10, further comprising:

16. The apparatus for determining a semi-static feedback codebook according to claim 13, wherein the determining a PDCCH detection opportunity corresponding to DCI with a preset format in each of the target slots comprises:

and determining a PDCCH detection opportunity corresponding to the DCI with the preset format in each target time slot based on the CORESET configuration information and the search space configuration information of the DCI with the preset format.

17. The apparatus for determining a semi-static feedback codebook of claim 10, wherein the apparatus for determining a semi-static feedback codebook further comprises:

18. The apparatus of claim 17, wherein the means for extending the set of SLIVs in a preset TDRA table based on PDCCH detection opportunities for DCI with a preset format in all target PDSCH transmission slots comprises:

19. An apparatus for determining a semi-static feedback codebook, comprising:

the system comprises a determining module, a scheduling module and a scheduling module, wherein the determining module is used for expanding an SLIV set in a preset time domain resource allocation TDRA table in a target time slot when a reference starting and length indication value SLIV mode is used for scheduling a Physical Downlink Shared Channel (PDSCH) in one carrier configuration and PDSCH repeated transmission is not configured and/or semi-persistent scheduling (SPS) transmission is not configured, and determining a semi-persistent feedback codebook based on the SLIV set after each target time slot is expanded, wherein the target time slot is a time slot with a Physical Downlink Control Channel (PDCCH) detection opportunity of DCI in a preset format;

the DCI with the preset format is a 1_2 DCI.

20. A processor-readable storage medium, characterized in that the processor-readable storage medium stores a computer program for causing a processor to perform the method of any one of claims 1 to 9.