CN113285788B

CN113285788B - Method for determining feedback resource and communication equipment

Info

Publication number: CN113285788B
Application number: CN202010105780.1A
Authority: CN
Inventors: 刘思綦; 纪子超; 潘学明; 李�根; 沈晓冬
Original assignee: Vivo Mobile Communication Co Ltd
Current assignee: Vivo Mobile Communication Co Ltd
Priority date: 2020-02-19
Filing date: 2020-02-19
Publication date: 2023-12-29
Anticipated expiration: 2040-02-19
Also published as: WO2021164729A1; CN113285788A

Abstract

The embodiment of the invention discloses a method for determining feedback resources and communication equipment, which are used for correctly indicating feedback resources corresponding to joint DCI. The method is performed by a communication device, the method comprising: and transmitting feedback resource information, wherein the feedback resource information is used for indicating target feedback resources corresponding to joint DCI, and the joint DCI schedules a plurality of carriers or cells.

Description

Method for determining feedback resource and communication equipment

Technical Field

The embodiment of the invention relates to the field of communication, in particular to a method for determining feedback resources and communication equipment.

Background

Cells are typically deployed on carriers (carriers) in the low frequency band for enhanced control channel coverage. However, the bandwidth of the low-band carrier is often insufficient and has been deployed in large amounts to other systems, such as long term evolution (Long Term Evolution, LTE) systems, and the cell downlink signaling overhead is large, resulting in affecting the system capacity.

Based on this, the New air interface (New Radio, NR) supports one downlink control information (Downlink Control Information, DCI) to schedule multiple carriers (Component Carrier, CC) or cell designs simultaneously, i.e. joint DCI (joint DCI) to reduce downlink control signaling overhead. However, the current design of DCI only supports one DCI scheduling one cell, and when joint DCI schedules multiple carriers or cells, the corresponding feedback resource cannot be correctly indicated.

Disclosure of Invention

The embodiment of the invention aims to provide a method and communication equipment for determining feedback resources, which are used for correctly indicating corresponding feedback resources.

In a first aspect, there is provided a method of determining feedback resources, the method being performed by a communication device, the method comprising: and transmitting feedback resource information, wherein the feedback resource information is used for indicating target feedback resources corresponding to joint DCI, and the joint DCI schedules a plurality of carriers or cells.

In a second aspect, there is provided a communication device comprising: the processing module is configured to transmit feedback resource information, where the feedback resource information is used to indicate a target feedback resource corresponding to a joint DCI, and the joint DCI schedules multiple carriers or cells.

In a third aspect, a terminal device comprising a processor, a memory and a computer program stored on the memory and executable on the processor, the computer program implementing the steps of the method of determining feedback resources according to the first aspect when executed by the processor.

In a fourth aspect, a network device comprises a processor, a memory and a computer program stored on the memory and executable on the processor, which when executed by the processor implements the steps of the method of determining feedback resources as described in the first aspect.

In a fifth aspect, there is provided a computer readable storage medium having stored thereon a computer program which, when executed by a processor, implements the steps of the method of determining feedback resources as described in the first aspect.

According to the embodiment of the invention, the feedback resource information is transmitted, wherein the feedback resource information is used for indicating the target feedback resource corresponding to the joint DCI, the joint DCI schedules a plurality of carriers or cells, the corresponding feedback resource can be indicated correctly when the joint DCI schedules the plurality of carriers or cells, and the understanding consistency of the network equipment and the UE on the feedback resource is ensured.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application. In the drawings:

FIG. 1 shows a schematic flow chart of a method of determining feedback resources according to one embodiment of the invention;

FIG. 2 shows a schematic flow chart of a method of determining feedback resources according to another embodiment of the invention;

FIG. 3 shows a schematic flow chart of a method of determining feedback resources according to another embodiment of the invention;

FIG. 4 shows a schematic flow chart of a method of determining feedback resources according to another embodiment of the invention;

FIG. 5 shows a schematic flow chart of a method of determining feedback resources according to another embodiment of the invention;

FIG. 6 shows a schematic flow chart diagram of a method of determining feedback resources in accordance with another embodiment of the invention;

FIG. 7 shows a schematic flow chart diagram of a method of determining feedback resources in accordance with another embodiment of the invention;

8a-8c illustrate a schematic diagram of determining at least one feedback period in one embodiment of the invention;

fig. 9 is a schematic structural view of a communication device according to an embodiment of the present invention;

fig. 10 is a schematic structural view of a terminal device according to another embodiment of the present invention;

fig. 11 is a schematic structural diagram of a network device according to another embodiment of the present invention.

Detailed Description

For the purposes, technical solutions and advantages of the present application, the technical solutions of the present application will be clearly and completely described below with reference to specific embodiments of the present application and corresponding drawings. It will be apparent that the described embodiments are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure. "and/or" in various embodiments of the present description means at least one of the former and latter.

It should be understood that the technical solution of the embodiment of the present invention may be applied to various communication systems, for example: a long term evolution (Long Term Evolution, LTE) system, an LTE frequency division duplex (Frequency Division Duplex, FDD) system, an LTE time division duplex (Time Division Duplex, TDD), a universal mobile telecommunications system (Universal Mobile Telecommunication System, UMTS) or worldwide interoperability for microwave access (Worldwide Interoperability for Microwave Access, wiMAX) telecommunications system, a 5G system, or a New Radio (NR) system, or a subsequent evolution telecommunications system.

In an embodiment of the present invention, the Terminal device may include, but is not limited to, a Mobile Station (MS), a Mobile Terminal (Mobile Terminal), a Mobile phone (Mobile phone), a User Equipment (UE), a handset (handset), a portable device (portable Equipment), a vehicle (vehicle), and the like, and may communicate with one or more core networks via a radio access network (Radio Access Network, RAN), for example, the Terminal device may be a Mobile phone (or referred to as a "cellular" phone), a computer with a wireless communication function, and the like, and the Terminal device may also be a portable, pocket, hand-held, computer-built-in, or vehicle-mounted Mobile device.

In the embodiment of the invention, the network equipment is a device which is deployed in the wireless access network and used for providing a wireless communication function for the terminal equipment. The network device may be a base station, which may include various forms of macro base stations, micro base stations, relay stations, access points, and the like. In systems employing different radio access technologies, the names of devices with base station functionality may vary. For example, in LTE networks, referred to as Evolved nodebs (enbs or enodebs), in third generation (3rd Generation,3G) networks, referred to as Node bs (Node bs), or network devices in subsequent Evolved communication systems, etc., although the term is not limiting.

As shown in fig. 1, one embodiment of the present invention provides a method 100 of determining feedback resources, the method being executable by a communication device comprising: the terminal device and/or the network device, in other words, the method may be performed by software or hardware installed in the terminal device and/or the network device, the method comprising the steps of:

s102: and transmitting feedback resource information, wherein the feedback resource information is used for indicating target feedback resources corresponding to joint DCI, and the joint DCI schedules a plurality of carriers or cells.

For the transmission of the downlink data packet, the user may feedback information, i.e., HARQ-ACK information, on the uplink resource according to the receiving condition to inform the control node whether the transmission of the downlink data packet is successful. For example, the DCI may schedule a physical downlink shared channel (Physical Downlink Shared Channel, PDSCH), or may be used to turn on or off the use of certain resources without scheduling the PDSCH, where the DCI may indicate feedback resources, and the feedback information is used to indicate whether the user has successfully received the DCI.

In this step, feedback resource information is transmitted, where the feedback resource information is used to indicate a target feedback resource corresponding to the joint DCI, and the target feedback resource corresponding to the joint DCI for scheduling multiple carriers or cells may be determined according to the feedback resource information, and the feedback information is transmitted using the target feedback resource.

In one implementation, feeding back resource information includes: and feeding back resources and/or a time interval K, wherein K is the time interval between the reference time point and the corresponding target feedback resources.

According to the method for determining the feedback resource, feedback resource information is transmitted, wherein the feedback resource information is used for indicating the target feedback resource corresponding to the joint DCI, the joint DCI schedules a plurality of carriers or cells, the corresponding feedback resource can be indicated correctly when the joint DCI schedules the plurality of carriers or cells, and the understanding of the feedback resource by the network equipment and the UE is consistent is ensured.

As shown in fig. 2, one embodiment of the present invention provides a method 200 of determining feedback resources, the method being executable by a communication device comprising: the terminal device and/or the network device, in other words, the method may be performed by software or hardware installed in the terminal device and/or the network device, the method comprising the steps of:

s202: and transmitting feedback resource information, wherein the feedback resource information is used for indicating target feedback resources corresponding to joint DCI, and the joint DCI schedules a plurality of carriers or cells.

This step may include the same or similar descriptions as step S102 in the embodiment of fig. 1, and will not be repeated here.

In one implementation, the feedback resource information is transmitted through high-level signaling; and/or transmitting the feedback resource information through DCI, wherein the feedback resource information is configured through high-layer signaling and/or indicated by DCI, and the DCI comprises: the joint DCI indication, and/or a single DCI (single DCI) indication associated with the joint DCI.

The feedback resource information is indicated by a single DCI associated with the join DCI, for example, the join DCI itself does not indicate feedback resource information, and feedback information corresponding to the join DCI is transmitted on a feedback resource indicated by a last single DCI, or there is a preset association relationship between the join DCI and the single DCI, and feedback information corresponding to the join DCI is transmitted on a feedback resource indicated by a corresponding single DCI.

The feedback resource may be a physical uplink shared channel (Physical Uplink Shared Channel, PUSCH) transmission occasion (occalasion) and/or a physical uplink control channel (Physical Uplink Control Channel, PUCCH) occalasion, among others.

In one implementation, the feedback resource information transmitted through higher layer signaling may include: a set of one or more time intervals, and/or a set of one or more feedback resources. In other words, the set { K } of one or more Ks, and/or the set of one or more feedback resources, may be configured by higher layer signaling. The higher layer signaling may be at least one of radio resource control (Radio Resource Control, RRC), medium access control (Medium Access Control, MAC), radio link control (Radio Link Control, RLC), packet data convergence protocol (Packet Data Convergence Protocol, PDCP) and service data adaptation protocol (Service Data Adaptation Protocol, SDAP).

In one implementation, this step may include: one or more of one { K }, a plurality of { K }, a set of one feedback resource, and a set of a plurality of feedback resources are configured through higher layer signaling.

In one implementation, the set of feedback resources may include at least one feedback resource, for example, at least one PUCCH or PUSCH, and may include at least one set of feedback resources, for example, at least one PUCCH set including at least one PUCCH or PUSCH, and at least one PUSCH.

In other words, the set of feedback resources may be PUCCH resource set or PUCCH resource set, for example, one PUCCH-Config may include multiple resources sets, where the PUCCH-Config may be referred to as the set of feedback resources.

In one implementation, the feedback resource information transmitted through DCI may include: one or more time intervals, and/or one or more feedback resources, wherein the time intervals are time intervals between a reference point in time and a corresponding target feedback resource. In other words, one or more time intervals are indicated by DCI, and/or one or more feedback resources, wherein the time intervals are time intervals between a reference time point and a corresponding target feedback resource. The step may include: one or more of one K, a plurality of K, one feedback resource, and a plurality of feedback resources are indicated through DCI.

Wherein n K or { K } indicated by a higher layer signaling configuration or DCI, and m feedback resources or a set of feedback resources, where n and m may be the same or different.

In one implementation, indicating one or more time intervals via DCI may include the following implementations:

in a first implementation, one { K } or more { K } are configured by higher layer signaling, and one or more K is indicated from the higher layer signaling configuration { K } by DCI indication.

In a second implementation, one { K } or a plurality of { K } are configured through the higher layer signaling, one or a plurality of K are indicated through the DCI, and K indicated through the DCI may or may not be from { K } configured through the higher layer signaling.

In a third implementation, the higher layer signaling has no configuration { K }, indicating one or more K's through DCI.

In one implementation, indicating one or more feedback resources via DCI may also include implementations similar to the three implementations described above, which are not described in detail herein.

Furthermore, the embodiments of the present invention may be performed by a communication device including: the step of transmitting the feedback resource information by the terminal device and/or the network device may comprise, for example in case the communication device is a network device: the network equipment sends the feedback resource information through a high-level signaling; in the case that the communication device is a terminal device, the step of transmitting feedback resource information may include: and the terminal equipment receives the feedback resource information through the high-layer signaling. For another example, in the case where the communication device is a network device, the step of transmitting feedback resource information may include: the network equipment sends the feedback resource information through DCI; in the case that the communication device is a terminal device, the step of transmitting feedback resource information may include: and the terminal equipment receives the feedback resource information through the DCI.

And, after transmitting the feedback resource information, it may further include: according to the feedback resource information, the feedback information is transmitted, which specifically comprises: and determining a target feedback resource according to the feedback resource information, and transmitting the feedback information by using the target feedback resource.

As shown in fig. 3, one embodiment of the present invention provides a method 300 of determining feedback resources, the method being executable by a communication device comprising: the terminal device and/or the network device, in other words, the method may be performed by software or hardware installed in the terminal device and/or the network device, the method comprising the steps of:

s302: and transmitting feedback resource information, wherein the feedback resource information is used for indicating target feedback resources corresponding to joint DCI, the joint DCI schedules a plurality of carriers or cells, and the subcarrier intervals of the plurality of carriers or cells are the same.

This step may include the same or similar descriptions as step S102 in the embodiment of fig. 1 or step S202 in the embodiment of fig. 2, and will not be repeated here.

In order to avoid a situation that the sub-carrier intervals of at least two carriers or cells scheduled by the joint DCI are different, so that feedback resources cannot be correctly indicated, SCS of a plurality of carriers or cells scheduled by a user does not expect (not expect) are different, or SCS of a plurality of carriers or cells scheduled by the user expects or assumes (expect/estimate) are the same.

Then, in this step, it may be ensured by the network device that SCS of the plurality of carriers or cells scheduled by the joint DCI are the same, in other words, it occurs that SCS of the plurality of carriers or cells not allowed to be scheduled by the joint DCI are not the same.

In one implementation, the network device ensures that the SCS and cyclic prefix CP of the multiple carriers or cells are the same.

In one implementation, the network device ensures that the joint DCI is at the same time domain location where PDSCH scheduled on multiple carriers or cells is located. In one implementation, the time domain position may be at least one of a subframe (subframe), a slot (slot), a start position, an end position, and an occupied duration where the PDSCH is located. The SCS may be at least one of an Uplink (UL) SCS and a Downlink (DL) SCS.

Example 1: all scheduled cells SCS are the same and all scheduled PDSCH slots are the same. N CCs or cells are scheduled by the Joint DCI, N is a positive integer greater than or equal to 2, PDSCH SCSs of the N CCs or cells are the same, slots of the scheduled PDSCHs on different CCs or cells are the same and are all positioned in slot N, and if the Joint DCI indicates a K, the scheduled PDSCHs are positioned in slot n+K corresponding to the same feedback resource.

Example 2: all scheduled cells SCS are the same, and the K start point is the joint DCI start point. N CCs or cells are scheduled by the Joint DCI, N is a positive integer greater than or equal to 2, PDSCH SCS of the N CCs or cells are identical, and if the Joint DCI located in slot N indicates a K, the scheduled PDSCH corresponds to identical feedback resources and is located in slot n+K.

In addition, according to the method for determining feedback resources provided by the embodiment of the invention, the intervals of the subcarriers of the plurality of carriers or the cells are the same, so that the situation that the corresponding feedback resources cannot be correctly indicated due to the fact that the intervals of the subcarriers of the plurality of carriers or the cells are different is avoided.

As shown in fig. 4, one embodiment of the present invention provides a method 400 of determining feedback resources, the method being executable by a communication device comprising: the terminal device and/or the network device, in other words, the method may be performed by software or hardware installed in the terminal device and/or the network device, the method comprising the steps of:

s402: and transmitting feedback resource information, wherein the feedback resource information is used for indicating target feedback resources corresponding to joint DCI, and the joint DCI schedules a plurality of carriers or cells.

In one implementation, the SCS of at least one carrier or cell of the plurality of carriers or cells may be different from other carriers or cells, wherein the other carriers or cells are carriers or cells of the plurality of carriers or cells other than the at least one carrier or cell.

Specifically, in this step, the network device does not need to ensure that SCS of the plurality of carriers or cells scheduled by the joint DCI are the same, in other words, it may be allowed to occur that SCS of the plurality of carriers or cells scheduled by the joint DCI are not the same, but SCS of the plurality of carriers or cells not representing the joint DCI are not necessarily the same, which should be understood that SCS of the plurality of carriers or cells scheduled by the joint DCI may be the same or different.

In one implementation, one feedback resource information may be transmitted, where the one feedback resource information is used to indicate a target feedback resource corresponding to the joint DCI. Wherein, the feedback resource information may include: one of { K } configured by higher layer signaling, a set of feedback resources configured by higher layer signaling, one K indicated by DCI, one feedback resource indicated by DCI.

In one implementation, in a first case, a set of time intervals, and/or a set of feedback resources, are transmitted through higher layer signaling, the first case comprising: in the case where feedback is performed using a dynamic codebook (type 2), or count information in the joint DCI is shared by the plurality of carriers or cells, or count information in the joint DCI is shared by the plurality of carrier groups or cell groups.

Wherein, the case that the count information in the joint DCI is shared by the multiple carriers or cells includes: the joint DCI schedules a plurality of CCs or cells corresponding to the same count information, and a downlink assignment index (Downlink Assignment Index, DAI) is used to count the plurality of CCs or cells.

Further, alternatively, since the feedback resource information is configured in terms of a Bandwidth Part (BWP), even though a plurality of scheduled CCs or cells share the same configuration, there may be a plurality of BWP, and thus there may actually be a plurality of configurations.

At this time, a plurality of scheduled CCs or cells share the configuration, one feedback resource information is configured for each bwp id or for each bwp. For example, joint DCI schedules 2 cells, each with 4 bwp#0/1/2/3 configured thereon, 1K and/or PUCCH resource set for two scheduled cells for bwp#0, 1K and/or PUCCH resource set for two scheduled cells for bwp#1, and so on.

In one implementation, after configuring one { K } and/or one set of feedback resources by higher layer signaling, the method further comprises: and indicating a plurality of K and/or a plurality of feedback resources from the set of the K and/or the feedback resources through the DCI.

In another implementation, in the first case, a time interval, and/or a feedback resource is transmitted through the DCI. The first case includes: feedback is performed using a dynamic codebook (type 2), or the count information in the joint DCI is shared by the multiple CCs or cells, or the count information in the joint DCI is shared by the multiple carrier groups or cell groups.

Alternatively, the present implementation may be implemented in conjunction with the three implementations of DCI indication time intervals described in the embodiment of fig. 3.

Specifically, in the first implementation, one K and/or one feedback resource is indicated from one { K } and/or one set of feedback resources configured by the higher layer signaling through DCI indication.

In a second implementation manner, one { K } and/or one set of feedback resources are configured through high-level signaling, one K and/or one feedback resource is indicated through DCI, one K and/or one feedback resource indicated through DCI may or may not be from the set of { K } and/or one feedback resources configured through high-level signaling.

In a third implementation, the higher layer signaling does not configure { K } and/or a set of feedback resources, and in this step, one K and/or one feedback resource is indicated by DCI.

In this embodiment, K may be interpreted according to a physical downlink control channel (Physical Downlink Control Channel, PDCCH) SCS or PUCCH SCS or preset SCS or UL SCS, and may be interpreted according to SCS of a corresponding CC or cell or CC group or cell group.

Thus, when the dynamic codebook is used for feedback, or when the count information in the joint DCI is shared by the multiple carriers or cells, or when the count information in the joint DCI is shared by the multiple carrier groups or cell groups, a set of one time interval and/or a set of one feedback resource are configured through high-layer signaling, different multiple scheduled CCs or cells, CCs or HARQ-ACKs of a cell can be fed back at the same time domain position, that is, can be fed back at the same slot or even the same feedback resource.

Wherein the carrier or cell grouping may include: a preset carrier or cell packet, for example, a preset carrier or cell packet agreed by a network device configuration or protocol; the sub-carriers in the multiple carriers or cells are separated by the same carrier or cell as a group; the sub-carrier intervals and the carriers or cells with the same cyclic prefix in the plurality of carriers or cells are used as a group; associating carriers or cells of the same feedback cell as a packet; carriers or cells associated with the same feedback cell grouping are used as one grouping.

As shown in fig. 5, one embodiment of the present invention provides a method 500 of determining feedback resources, the method being executable by a communication device comprising: the terminal device and/or the network device, in other words, the method may be performed by software or hardware installed in the terminal device and/or the network device, the method comprising the steps of:

s502: and transmitting feedback resource information, wherein the feedback resource information is used for indicating target feedback resources corresponding to joint DCI, and the joint DCI schedules a plurality of carriers or cells.

Specifically, in this step, the network device does not guarantee that SCS of the plurality of carriers or cells scheduled by the joint DCI are the same, in other words, it may be allowed to occur that SCS of the plurality of carriers or cells scheduled by the joint DCI are not the same, but it is not necessarily the same for the plurality of carriers or cells scheduled by the joint DCI, and it should be understood that SCS of the plurality of carriers or cells scheduled by the joint DCI may be the same or different.

In one implementation, multiple feedback resource information may be transmitted, where the multiple feedback resource information is used to indicate a target feedback resource corresponding to the joint DCI.

In one implementation, in a second case, a set of one or more time intervals, and/or a set of one or more feedback resources, is transmitted by higher layer signaling. The second case includes: feedback is performed using a semi-static codebook (type 1), or the case that the joint DCI contains count information of at least two different carriers or cells.

Wherein, in one implementation, the case that the joint DCI includes count information of at least two different carriers or cells includes: the joint DCI schedules a plurality of CCs or cells, and the CCs or cells correspond to different counting information in the DCI.

For example, one joint DCI schedules two cells, where the DCI carries two cDAI, i.e. count information corresponding to two different CCs or cells, respectively. Further, when the base station transmits one joint DCI and the joint DCI schedules the two cells, the two cDAI are +1, respectively. The same carrier or cell packet may correspond to the same or the same set of counting information based on the same carrier or cell packet as described in the embodiment of fig. 4.

In another implementation, the case where count information of at least two different carriers or cells is included in the joint DCI includes: the joint DCI schedules a plurality of CCs or cells, which may be divided into at least two carriers or cell groups, and the joint DCI includes count information of the at least two carriers or cell groups.

In one implementation, after configuring the set of the plurality { K } and/or the plurality of feedback resources through higher layer signaling, the method further comprises: one time interval and/or one feedback resource is indicated from a set of multiple time intervals and/or a set of multiple feedback resources configured by higher layer signaling through DCI.

In another implementation, in case of feedback using a semi-static codebook (type 1) or in case of counting information of at least two different carriers or cells contained in the joint DCI, a plurality of K and/or a plurality of feedback resources are indicated by DCI. Alternatively, the present implementation may be implemented in conjunction with the three implementations of DCI indication time intervals described in the embodiment of fig. 3.

Specifically, in the first implementation, the plurality of K and/or the plurality of feedback resources are indicated from the set of the plurality of { K } and/or the plurality of feedback resources configured by the higher layer signaling through DCI.

In a second implementation manner, the higher layer signaling configures a set of multiple { K } and/or multiple feedback resources, and the multiple K and/or multiple feedback resources indicated by the DCI may or may not be from the set of { K } and/or feedback resources configured by the higher layer signaling.

In a third implementation, the higher layer signaling does not configure { K } and/or a set of feedback resources, and in this step, multiple K and/or multiple feedback resources are indicated by DCI.

Thus, by configuring a set of a plurality of time intervals and/or a set of a plurality of feedback resources through high layer signaling and/or indicating a plurality of time intervals and/or a plurality of feedback resources through DCI in case of feedback using a semi-static codebook or in case of including count information of at least two different carriers or cells in the joint DCI, the feedback information may be determined for different scheduled CCs or cells, CC or cell groups, respectively.

The CC or cell for which the user does not expect (not expect) to be scheduled corresponds to different feedback resources, or the user expects or assumes that the CC or cell for which the user is scheduled corresponds to the same feedback resources.

In one implementation, each carrier or cell of the plurality of carriers or cells corresponds to the same target feedback resource information. The target feedback resource information may be configured by high-level signaling or indicated by DCI. For example, the joint DCI schedules N CCs or cells, configuring a corresponding set of K set and PUCCH resource set configurations for each scheduled CC or cell.

Further alternatively, a reference K set or reference PUCCH resource set may be defined where the K set or PUCCH resource set configuration corresponding to each CC or cell within the same CC or cell group may be different.

For example, one reference K and/or reference PUCCH resource set may be configured for scheduled CCs or cells having the same SCS. For example, one reference K and/or reference PUCCH resource set may be configured for a scheduled CC or cell having the same SCS and CP. For another example, a joint DCI schedules N CCs or cells, a set of corresponding K set and PUCCH resource set configurations is configured for each scheduled CC or cell, and the DCI indicates corresponding K and PUCCH resources for each CC group or cell group, respectively.

Example 3: k and/or PUCCH resource sets are respectively configured for different scheduled CCs or cells. And (3) scheduling N CCs or cells by using the Joint DCI, wherein N is a positive integer greater than or equal to 2, N K are carried in the Joint DCI, and for each scheduled CC or cell, the time domain position corresponding to the K corresponding to the CC or cell is the time domain position of the feedback resource.

Further optionally, K, i in the joint DCI corresponds to a scheduled CC or cell i, and a PDSCH on the joint DCI scheduled CC or cell i is located at slot ni, so that HARQ-ACK corresponding to the PDSCH is fed back at a time domain position corresponding to ni+k, i. Optionally, the joint DCI carries N PUCCH resource ids, and the PUCCH id, i in the joint DCI corresponds to the scheduled CC or cell i, and then the joint DCI schedules the HARQ-ACK corresponding to the PDSCH on the CC or cell i for feedback of the resource corresponding to the PUCCH id, i.

In another implementation, each preset carrier or cell group corresponds to the same target feedback resource information. Each preset carrier or cell packet of the plurality of carriers or cells may be preconfigured by the network device or agreed by a protocol.

In another implementation manner, the carriers or cells with the same subcarrier spacing in the plurality of carriers or cells correspond to the same target feedback resource information. The target feedback resource information may be configured by high-level signaling or indicated by DCI.

For example, the joint DCI schedules M CCs or cells, where M is a positive integer greater than or equal to 2, divides the scheduled CCs or cells into N groups according to SCS, N is a positive integer greater than or equal to 2, and configures a set of corresponding K set and PUCCH resource set (resource set) configuration for each group.

For another example, joint DCI schedules M CCs or cells, M is a positive integer greater than 2, the scheduled CCs or cells are divided into N groups according to SCS, N is a positive integer greater than or equal to 2, a set of corresponding K set and PUCCH resource set (resource set) configurations is configured for each group, and DCI indicates corresponding K and PUCCH resource for each group, respectively.

Example 4: k and/or PUCCH resource sets are respectively configured for different scheduled CC groups or cell groups. The node DCI schedules M CCs or cells, M is a positive integer greater than 2, the CCs or cells are assumed to be divided into N CC groups or cell groups according to SCS, N is assumed to be a positive integer greater than or equal to 2, SCS in the same group is the same, and SCS among different groups is different.

Optionally, N ks are carried in the joint DCI, and for each scheduled CC group or cell group, a time domain position corresponding to K corresponding to the CC group or cell group is a time domain position of the feedback resource. Further alternatively, K, i in the joint DCI corresponds to a scheduled CC group or cell group i, and PDSCH on the joint DCI schedules the CC group or cell group i is located at slot ni, so that HARQ-ACK corresponding to PDSCH scheduled by the joint DCI on all CCs or cells in the CC group or cell group is fed back at a time domain position corresponding to ni+k, i.

Optionally, the joint DCI carries N PUCCH resource ids, where PUCCH id, i in the joint DCI corresponds to the CC group or cell group i to be scheduled, and HARQ-ACK corresponding to PDSCH scheduled by the joint DCI on all CCs or cells in the CC group or cell group is fed back in the PUCCH id, i corresponding resource.

In another implementation, the same carrier or cell with the same subcarrier spacing and Cyclic Prefix (CP) in the plurality of carriers or cells corresponds to the same target feedback resource information. The target feedback resource information may be configured by high-level signaling or indicated by DCI.

For example, the joint DCI schedules M CCs or cells, where M is a positive integer greater than or equal to 2, divides the scheduled CCs or cells into N groups according to SCS and CP, N is a positive integer greater than 2, and configures a set of corresponding K set and PUCCH resource set configuration for each group.

For another example, joint DCI schedules M CCs or cells, M is a positive integer greater than 2, the scheduled CCs or cells are divided into N groups according to SCS and CP, N is a positive integer greater than or equal to 2, a set of corresponding K set and PUCCH resource set configurations is configured for each group, and DCI indicates corresponding K and PUCCH resource for each group, respectively. The present implementation may also be as described in example 4, for example.

In another implementation, carriers or cells associated with the same feedback cell correspond to the same target feedback resource information. The target feedback resource information may be configured by high-level signaling or indicated by DCI.

For example, the scheduled carriers or cells are grouped according to the cell or PUCCH cell in which the associated PUCCH is located, and the same { K } and/or PUCCH resource set is configured for the scheduled CCs or cells associated with the same PUCCH cell. The same target feedback resource information may be the same target feedback resource information, or may be a plurality of same target feedback resource information.

In another implementation, carriers or cells associated with the same feedback cell group correspond to the same target feedback resource information. The target feedback resource information may be configured by high-level signaling or indicated by DCI. For example, the scheduled carriers or cells are grouped according to the corresponding PUCCH cell groups, and the same { K } and/or PUCCH resource sets are configured for the scheduled CCs or cells associated with the same PUCCH cell group.

In this embodiment, K may be interpreted according to PDCCH SCS or PUCCH SCS or preset SCS or UL SCS, and may be interpreted according to SCS of the corresponding CC or cell or CC group or cell group.

In addition, the method for determining feedback resources provided by the embodiment of the invention enables the scheduled CCs or cells with the same SCS to be regarded as a whole, the base station informs the corresponding feedback resources through the same configuration or the same indication, and the plurality of resources configured or indicated may be different or the same; for the scheduled CCs or cells of different SCSs, the base station indicates and/or configures its corresponding feedback resources, respectively, so as to avoid misunderstanding.

As shown in fig. 6, one embodiment of the present invention provides a method 600 of determining feedback resources, the method being executable by a communication device comprising: the terminal device and/or the network device, in other words, the method may be performed by software or hardware installed in the terminal device and/or the network device, the method comprising the steps of:

S602: and transmitting feedback resource information, wherein the feedback resource information is used for indicating a target feedback resource corresponding to joint DCI, the joint DCI schedules a plurality of carriers or cells, and the joint DCI and/or single DCI associated with the joint DCI carry indication information of the feedback resource information.

This step may include the same or similar descriptions as step S202 in the embodiment of fig. 2, and will not be repeated here.

In one implementation, the reference time point may be a start point or an end point of a time unit where the joint DCI is located. The time unit may be slot, or may be a time resource occupied by DCI, where the start point or end point of the time unit is the start point or end point of the DCI.

In another implementation, the reference time point may be a start point, an end point, or a time unit in which a target PDSCH of the plurality of PDSCHs scheduled by the joint DCI is located.

In another implementation, the reference time point may be a starting point, an ending point, or a time unit of the PDSCH on the carrier or the cell corresponding to the time interval.

In another implementation, the reference time point may be a start point or an end point of a time unit where the single DCI associated with the joint DCI is located.

In another implementation, the reference time point may be a starting point, an ending point, or a time unit in which a PDSCH of the single DCI schedule associated with the joint DCI is located.

In another implementation, the reference time point may be a starting point, an ending point, or a time unit of the PDSCH on the first carrier or the first cell. In one implementation manner, the first carrier or the first cell and the plurality of carriers or cells are configured for the same user equipment, which may be a carrier or a cell with a smaller carrier or cell identifier in a plurality of carriers or cells scheduled by the joint DCI, or a carrier or cell with a larger carrier or cell identifier in a plurality of carriers or cells of the joint DCI.

In another implementation, the first carrier or first cell may be a carrier or cell configured with a common search space (common search space), a carrier or primary cell where a primary cell is located, a carrier or cell configured with a physical broadcast channel signal block (Synchronization Signal and PBCH Block, SSB) or channel state information reference signal (Channel State Information RS, CSI-RS), a cell configured with a cross-carrier, or a carrier or cell configured with resources of a PUCCH, etc.

For example, the DCI schedules cell 1 and cell 2 at the same time, cell 2 is a first cell, the slot where the PDSCH of cell 2 is located is a reference point, for example, pcell and Scell are scheduled, pcell is the first cell, and the slot where the PDSCH of Pcell is located is a reference point.

Wherein the join DCI and/or single DCI (single DCI) associated with the join DCI carries indication information of the feedback resource information.

In one implementation, the indication information of the feedback resource information includes: and indicating information of K and/or the feedback resource identification information.

The indication information of K is used for indicating one or more of K, and the indication information of K may include an indication value of K or an index of K.

The feedback resource identification information is used to indicate one or more of the feedback resources, e.g., feedback resource identification information is used to indicate one or more PUCCH resources.

Optionally, the indication information of K indicates N K combined indexes, and/or the feedback resource identification information is the N PUCCH combined index, the plurality of { K } is jointly encoded, and/or the plurality of PUCCH resource sets is jointly encoded, so that N K are indicated by the indication information of K, and/or N PUCCHs are indicated by the feedback resource identification information.

Taking the case that the joint DCI indicates N K and N PUCCH resources as an example, the method is similar when the joint DCI indicates N K and/or 1 PUCCH resources, or the joint DCI indicates N PUCCH resources and/or 1K, and redundant description is omitted. For example, the joint DCI carries 1K indication information and one feedback resource identification information to indicate N K and PUCCH resources.

Optionally, the DCI carries N K indication information and N feedback resource identification information, where the indication information and the feedback resource identification information of each K correspond to respective K and PUCCH resource sets respectively. Each K and feedback resource identification information at this time may be interpreted in accordance with SCS of the corresponding CC or cell or CC group or cell group in this case.

The above N K and PUCCH resources respectively correspond to respective K and PUCCH resource sets, that is, different CCs or cells or CC groups or cell groups as described in the embodiment of fig. 5 correspond to different configurations, or may correspond to the same K and PUCCH resource sets, that is, different CCs or cells or CC groups or cell groups as described in the embodiment of fig. 4 correspond to the same configuration.

For example, if two CCs or cells are scheduled by the joint DCI, where { K } (denoted as K, 1= {1,2,3,4 }) of CC or cell 1 contains 4K elements, { K } (denoted as K, 2= {1,2,3,4,5,6,7,8 }) of CC or cell 2 contains 8K elements, the indication information of K in the joint DCI is max (log 2 (4), log2 (8))=3 bits and the indication information of K indicates index of K in { K }, for CC or cell 1, x=2 is the K value corresponding to the indication information of K which is the lowest 2 bits, and for CC or cell 2, x=3 is the K value corresponding to the indication information of K; assuming that the indication information of k=110, the corresponding K value is K, and k=2 is the 2 nd K element in 1 for CC or cell 1, and k=6 is the 6 th K element in 1 for CC or cell 2.

For example, if two CCs or cells are scheduled by the joint DCI, the { K } (denoted as K, 1= {1,2,3,4 }) of the CC or cell 1 contains 4K elements, the { K } (denoted as K, 2= {1,2,3,4,5,6,7,8 }) of the CC or cell 2 contains 8K elements, the indication information of K in the joint DCI is max (4, 8) =8 bits and the indication information of K indicates that K is a position in { K }, for the CC or cell 1, x=4 is a K value corresponding to the lowest 4 bits of the indication information of K, and for the CC or cell 2, x=8 is a K value corresponding to the indication information of K; assuming that the indication information of k=00000010, the corresponding K value is K for CC or cell 1, k=2 as the 2 nd K element in 1, and k=2 as the 2 nd K element in 1 for CC or cell 2.

For example, one { K } = {1,2,3,4} is configured for multiple scheduled CCs or cells, but the joint DCI carries N pieces of indication information of K, for indicating feedback of different CCs or cells, respectively, optionally, the indication information indication of each K is index of K in the set, see example 3.

In another implementation, the indication information of the feedback resource information includes: and joint indication information for indicating a plurality of K and the feedback resource, wherein even though a plurality of PUCCHs are indicated, the PUCCHs may be the same, for example, feedback information of a plurality of CCs or cells or CC groups or cell groups are multiplexed on one PUCCH, may be different, for example, feedback information of CCs or cells or CC groups or cell groups are respectively fed back.

Optionally, the K and feedback resource identification information are jointly indicated as joint index of N K and N PUCCHs. The above-described multiple { K } and PUCCH resource sets may be jointly encoded, with N K and N PUCCHs being jointly indicated by one k+pucch. For example, joint DCI carries 1 joint indication to indicate N K and PUCCH resources.

For example: 0 corresponds to K_value1 PUCCH resource1;1 corresponds to k_value2 PUCCH resource2;2 corresponds to k_value3 PUCCH resource3; the DCI carries one of 0, 1 or 2 to indicate one of 3 combinations of K and feedback resource identification information.

In one implementation, the target bit or target value in the indication information of the feedback resource information is used to determine the feedback resource information, e.g., the highest or lowest X bits of the indication information of K are used to determine K, and/or the highest or lowest Y values of the feedback resource identification information are used to indicate PUCCH. X, Y to the corresponding domain size in its configuration for different CCs or cells, or X, Y to the corresponding set size in its configuration for different CC groups or cell groups. For example, in relation to a maximum, minimum, or other target value for the corresponding set size.

Optionally, the indication information of K in the join DCI relates to a configuration of a CC or cell scheduled by the join DCI, or a maximum value of { K } size in a configuration of a CC group or cell group. In one implementation, the size of the indication information of K is equal to the number of bits corresponding to K numbers contained in { K } with the largest number contained in the configuration corresponding to the cell scheduled by the join DCI. For example, the join DCI schedules 2 cells, 1 { K } is allocated for each of the two cells, 4K resources are included in { K } of the scheduled cell 1, and 8 PUCCH resources are included in { K } of the scheduled cell 2. Assuming that the indication information of K adopts a bitmap (bitmap) to indicate K, the indication information of K in DCI is 8 bits. At this time, for the scheduled cell 1, x=4, and for the scheduled cell 2, x=8. Assuming that the indication information of K indicates K index, the indication information of K in DCI is 3 bits. At this time, for the scheduled cell 1, x=2, and for the scheduled cell 2, x=3, optionally, the size of the feedback resource identification information in the join DCI is related to the maximum value of the PUCCH set size in the CC or cell configuration of the join DCI scheduling or the CC group or cell group configuration.

In one implementation, the size of the feedback resource identification information is equal to the number of bits corresponding to the number of PUCCHs included in the PUCCH set having the largest number of PUCCHs in the configuration corresponding to the cell scheduled by the join DCI.

For example, the join DCI schedules 2 cells, and 4 PUCCH sets are allocated for each of the two cells, and the PUCCH set having the largest PUCCH number among the PUCCH sets of the scheduled cell 1 includes 4 PUCCH resources, and the PUCCH set having the largest PUCCH number among the PUCCH sets of the scheduled cell 2 includes 8 PUCCH resources. Assuming that the feedback resource identification information indicates PUCCH index, indicating that 3 bits are needed for 8 index, the feedback resource identification information in DCI is 3 bits. At this time, y=2 for the scheduled cell 1 and y=3 for the scheduled cell 2.

In addition, the method for determining feedback resources provided by the embodiment of the invention can realize correct indication of feedback resources when joint DCI schedules a plurality of carriers or cells through flexible signaling design.

As shown in fig. 7, one embodiment of the present invention provides a method 700 of determining feedback resources, the method being executable by a communication device comprising: the terminal device and/or the network device, in other words, the method may be performed by software or hardware installed in the terminal device and/or the network device, the method comprising the steps of:

s702: and transmitting feedback resource information, wherein the feedback resource information is used for indicating target feedback resources corresponding to joint DCI, and the joint DCI schedules a plurality of carriers or cells.

This step may include the same or similar descriptions as at least one of the step S102 in fig. 1, the step S202 in fig. 2, the step S302 in fig. 3, the step S402 in fig. 4, the step S502 in fig. 5, and the step S602 in fig. 6, and the repetition is not repeated here.

S704: and determining at least one feedback time period according to the target feedback resource.

And according to the starting time point of the feedback time period is n, the ending time point is n+K, and the time point is n+K which is the time unit of the target feedback resource.

In the first implementation manner, the starting time point n of the feedback period may be a start point or an end point of a time unit where the DCI is located, for example, a start point or an end point of a slot, that is, a slot where the joint DCI overlapping the PUCCH slot is located.

Fig. 8a-8c show schematic diagrams of determining at least one feedback period. As shown in fig. 8a, the common reference point is slot where DCI is located, and PUCCH SCS is used for K. The join DCI schedules 2 CCs or cells, divided into 30kHz and 15kHz, PUCCH is located on CC or cell 1 and PUCCH SCS is 30kHz. If the joint DCI on Slot n indicates k=4, HARQ-ACKs corresponding to two PDSCH scheduled on two CCs or cells are fed back on n+4.

In a second implementation, the starting time point n of the feedback period may be: a starting point or an ending point of a certain PDSCH (or a PDSCH group) among the multiple PDSCHs, or a slot where the certain PDSCH (group) overlaps, i.e., a PUCCH slot where the certain PDSCH (group) overlaps.

For example, the first PDSCH (or group of PDSCHs), or the last PDSCH (or group of PDSCHs), or the PDSCH (or group of PDSCHs) corresponding to a certain identity, or the PDSCH (or group of PDSCHs) with the smallest SCS, or the PDSCH (or group of PDSCHs) with the largest SCS, or the PDSCH (or group of PDSCHs) of a predetermined SCS, for example, starting earliest, or starting latest, or ending earliest, or ending latest PDSCH (group), for example, PDSCH (or group of PDSCH) with the same SCS and PUCCH SCS.

As shown in fig. 8b, the common reference point is slot where the earliest PDSCH is located, and PUCCH SCS is used for K. The join DCI schedules 2 CCs or cells, divided into 30kHz and 15kHz, PUCCH is located on CC or cell 1 and PUCCH SCS is 30kHz. The joint DCI indicates that k=3, and the earliest PDSCH of the two PDSCHs scheduled on the two CCs or cells is located on Slot n, HARQ-ACKs corresponding to the two PDSCHs are fed back on n+3.

The above first and second implementations define a common feedback period, and the above method of determining a feedback period may be used regardless of whether the number of K and/or PUCCH resources configured or indicated is one or more. The reference points for the two implementations K are the same, and the joint DCI may indicate only one K and/or PUCCH resource when combined with the fig. 1 embodiment.

In a third implementation, the starting time point of the feedback period is n may be: for each K indicated in the joint DCI, the starting point n is the starting point or end point or the slot where the PDSCH on the scheduled CC or cell (group) corresponding to that K is located, respectively, i.e. for each { K }, k=0 corresponds to the PUCCH slot overlapping the PDSCH (group) on the scheduled CC or cell (group) corresponding to that { K }.

As shown in fig. 8c, the independent reference points are slots where the respective PDSCH are located, and PUCCH SCS is used for K. The join DCI schedules 2 CCs or cells, divided into 30kHz and 15kHz, PUCCH is located on CC or cell 1 and PUCCH SCS is 30kHz. The joint DCI indicates that k=3 and k=2 for two CCs or cells respectively, and two PDSCHs scheduled on the two CCs or cells are located at slot n and slot n ' respectively, so HARQ-ACKs corresponding to the two PDSCHs are fed back on slot n+3 and slot n ' +2 respectively, and fig. 8c is a case where slot n+3 and slot n ' +2 correspond to the same slot

Thus, a third implementation defines feedback time periods for a plurality of K in the DCI, respectively, which may be used in combination with the implementation of different CCs or cells or CC groups or cell groups corresponding to different K in the embodiment of fig. 5.

Furthermore, the implementations of fig. 1-7 above may be applied to NR and subsequent evolution systems, and may be used for Primary serving Cell (dual connectivity Cell, PCell) and/or Secondary Cell (SCell) scheduling of Primary serving Cell/Primary Cell groups.

In addition, according to the method for determining the feedback resource, the feedback time period can be determined through the target feedback resource.

The communication device, which may be a network device and/or a user device, according to an embodiment of the present invention will be described in detail below in connection with fig. 9.

Fig. 9 is a schematic structural view of a communication device according to an embodiment of the present invention. As shown in fig. 9, the communication device 900 includes: a processing module 910.

The processing module 910 is configured to transmit feedback resource information, where the feedback resource information is used to indicate a target feedback resource corresponding to a joint DCI, and the joint DCI schedules a plurality of carriers or cells.

According to the communication device 900 provided by the embodiment of the invention, feedback resource information is transmitted, wherein the feedback resource information is used for indicating a target feedback resource corresponding to joint DCI, the joint DCI schedules a plurality of carriers or cells, when joint DCI schedules a plurality of carriers or cells, the corresponding feedback resource can be indicated correctly, and the understanding of the feedback resource by the network device and the UE is consistent.

In one implementation, the processing module 910 is configured to: transmitting the feedback resource information through high-level signaling; and/or transmitting the feedback resource information through DCI, where the DCI includes: the joint DCI and/or a single DCI associated with the joint DCI.

In one implementation, the feedback resource information transmitted through higher layer signaling includes: a set of one or more time intervals, and/or a set of one or more feedback resources; and/or the feedback resource information transmitted through DCI, including: one or more time intervals, and/or one or more feedback resources, wherein the time intervals are time intervals between a reference point in time and a corresponding target feedback resource. .

In one implementation, the subcarrier spacing of the plurality of carriers or cells is the same; or, the subcarrier spacing of the multiple carriers or cells is the same as the cyclic prefix CP.

In one implementation, the joint DCI is the same in the time domain where PDSCH scheduled on multiple carriers or cells is located.

In one implementation, there are carriers or cells in the plurality of carriers or cells with different subcarrier spacing.

In one implementation, the processing module 910 is configured to: and transmitting a feedback resource information.

In one implementation, the processing module 910 is configured to transmit, in the first case, a set of time intervals and/or a set of feedback resources through higher layer signaling;

wherein the first case comprises:

feedback using dynamic codebooks, or counting information in the joint DCI is shared by the multiple carriers or cells, or

The count information in the joint DCI is shared by the multiple carrier groups or cell groups.

In one implementation, the processing module 910 is configured to, after configuring one set of time intervals and/or one set of feedback resources through higher layer signaling, indicate, through the DCI, a plurality of time intervals and/or a plurality of feedback resources from the one set of time intervals and/or one set of feedback resources.

In one implementation, the processing module 910 is configured to transmit, in the first case, a time interval, and/or a feedback resource over the DCI;

wherein the first case comprises:

feedback using dynamic codebooks, or

The count information in the joint DCI is shared by the plurality of carriers or cells, or

In one implementation, the processing module 910 is configured to transmit a plurality of feedback resource information.

In one implementation, the processing module 910 is configured to transmit, in the second case, a set of multiple time intervals, and/or a set of multiple feedback resources, through higher layer signaling;

wherein the second case comprises:

feedback using a semi-static codebook, or

The joint DCI comprises count information of at least two different carriers or cells.

In one implementation, the processing module 910 is configured to, after configuring the set of multiple time intervals and/or the set of multiple feedback resources through high-layer signaling, indicate one time interval and/or one feedback resource from the set of multiple time intervals and/or the set of multiple feedback resources through DCI.

In one implementation, the processing module 910 is configured to transmit, in the second case, a plurality of time intervals, and/or a plurality of feedback resources, over the DCI;

wherein the second case comprises:

feedback using a semi-static codebook, or

In one implementation, each carrier or cell of the plurality of carriers or cells corresponds to the same target feedback resource information.

In one implementation, each preset carrier or cell group corresponds to the same target feedback resource information.

In one implementation, the carriers or cells with the same subcarrier spacing in the plurality of carriers or cells correspond to the same target feedback resource information.

In one implementation, the sub-carrier intervals and the carriers or cells with the same cyclic prefix in the plurality of carriers or cells correspond to the same target feedback resource information.

In one implementation, carriers or cells associated with the same feedback cell correspond to the same target feedback resource information.

In one implementation, carriers or cells associated with the same feedback cell group correspond to the same target feedback resource information.

In one implementation manner, the reference time point is a start point or an end point of a time unit where the joint DCI is located, or a start point or an end point of a time unit where a single DCI associated with the joint DCI is located; or starting point, ending point or time unit of PDSCH of single DCI scheduling associated with the joint DCI; or starting point, ending point or time unit of a target PDSCH in a plurality of PDSCHs of the joint DCI schedule; or a starting point, an ending point or a time unit of a PDSCH on a first carrier or a first cell, where the first carrier or the first cell and the plurality of carriers or cells are configured for the same ue; or the starting point, the ending point or the time unit of the PDSCH on the carrier wave or the cell corresponding to the time interval.

In one implementation, the processing module 910 is configured to determine at least one feedback time period according to the target feedback resource after determining the target feedback resource corresponding to the joint DCI for scheduling a plurality of carriers or cells.

In one implementation manner, the DCI carries indication information of the feedback resource information to indicate the feedback resource information, where the indication information of the feedback resource information includes:

The indication information of the time interval and/or the feedback resource identification information are/is used for indicating one or more time intervals, and the feedback resource identification information is used for indicating one or more feedback resources; or alternatively

And the joint indication information is used for indicating a plurality of time intervals and the feedback resources.

The communication device 900 according to the embodiment of the present invention may refer to any one or more of the processes corresponding to the methods 100 to 700 of the embodiment of the present invention, and each unit/module in the communication device 900 and the other operations and/or functions described above are respectively for implementing the corresponding processes in the methods 100 to 700, and may achieve the same or equivalent technical effects, which are not described herein for brevity.

Fig. 10 is a block diagram of a terminal device according to another embodiment of the present invention. The communication device in the embodiment of the invention may be a terminal device. The terminal device 1000 shown in fig. 10 includes: at least one processor 1001, memory 1002, at least one network interface 1004, and a user interface 1003. The various components in terminal device 1000 are coupled together by bus system 1005. It is appreciated that the bus system 1005 is used to enable connected communications between these components. The bus system 1005 includes a power bus, a control bus, and a status signal bus in addition to the data bus. But for clarity of illustration the various buses are labeled as bus system 1005 in fig. 10.

The user interface 1003 may include, among other things, a display, a keyboard, a pointing device (e.g., a mouse, a trackball), a touch pad, or a touch screen, etc.

It is to be appreciated that the memory 1002 in embodiments of the present invention can be either volatile memory or nonvolatile memory, or can include both volatile and nonvolatile memory. The nonvolatile Memory may be a Read-Only Memory (ROM), a Programmable ROM (PROM), an Erasable PROM (EPROM), an Electrically Erasable EPROM (EEPROM), or a flash Memory. The volatile memory may be random access memory (Random Access Memory, RAM) which acts as an external cache. By way of example, and not limitation, many forms of RAM are available, such as Static RAM (SRAM), dynamic RAM (DRAM), synchronous DRAM (SDRAM), double Data Rate SDRAM (Double Data Rate SDRAM), enhanced SDRAM (ESDRAM), synchronous DRAM (SLDRAM), and Direct RAM (DRRAM). The memory 1002 of the systems and methods described in embodiments of the present invention is intended to comprise, without being limited to, these and any other suitable types of memory.

In some implementations, the memory 1002 stores the following elements, executable modules or data structures, or a subset thereof, or an extended set thereof: an operating system 10021 and application programs 10022.

The operating system 10021 includes various system programs, such as a framework layer, a core library layer, a driver layer, and the like, for implementing various basic services and processing hardware-based tasks. The application 10022 includes various applications, such as a Media Player (Media Player), a Browser (Browser), etc., for implementing various application services. A program for implementing the method according to the embodiment of the present invention may be included in the application 10022.

In the embodiment of the present invention, the terminal device 1000 further includes: computer programs stored on the memory 1002 and executable on the processor 1001, which when executed by the processor 1001 implement the steps of the methods 100-700 as follows.

The method disclosed in the above embodiment of the present invention may be applied to the processor 1001 or implemented by the processor 1001. The processor 1001 may be an integrated circuit chip having signal processing capabilities. In implementation, the steps of the above method may be performed by integrated logic circuits of hardware in the processor 1001 or by instructions in the form of software.

The processor 1001 described above may be a general purpose processor, a Digital signal processor (Digital SignalProcessor, DSP), an application specific integrated circuit (Application Specific Integrated Circuit, ASIC), a field programmable gate array (Field Programmable Gate Array, FPGA) or other programmable logic device, discrete gate or transistor logic device, discrete hardware components. The disclosed methods, steps, and logic blocks in the embodiments of the present invention may be implemented or performed. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.

The steps of the method disclosed in connection with the embodiments of the present invention may be embodied directly in the execution of a hardware decoding processor, or in the execution of a combination of hardware and software modules in a decoding processor. The software modules may be located in a computer readable storage medium well known in the art such as random access memory, flash memory, read only memory, programmable read only memory, or electrically erasable programmable memory, registers, and the like. The computer readable storage medium is located in the memory 1002, and the processor 1001 reads information in the memory 1002, and performs the steps of the above method in combination with its hardware. In particular, the computer-readable storage medium has stored thereon a computer program which, when executed by the processor 1001, performs the steps of the embodiments of the methods 100-700 as described above.

It is to be understood that the embodiments of the invention described herein may be implemented in hardware, software, firmware, middleware, microcode, or a combination thereof. For a hardware implementation, the processing units may be implemented within one or more application specific integrated circuits (Application Specific Integrated Circuits, ASIC), digital signal processors (Digital Signal Processing, DSP), digital signal processing devices (DSP devices, DSPD), programmable logic devices (Programmable Logic Device, PLD), field programmable gate arrays (Field-Programmable Gate Array, FPGA), general purpose processors, controllers, microcontrollers, microprocessors, other electronic units configured to perform the functions described herein, or a combination thereof.

For a software implementation, the techniques described in embodiments of the present invention may be implemented by modules (e.g., procedures, functions, and so on) that perform the functions described in embodiments of the present invention. The software codes may be stored in a memory and executed by a processor. The memory may be implemented within the processor or external to the processor.

The terminal device 1000 can implement each process implemented by the terminal device in the foregoing embodiment, and can achieve the same or equivalent technical effects, and for avoiding repetition, a description is omitted herein.

Referring to fig. 11, fig. 11 is a block diagram of a network device to which the embodiment of the present invention is applied, where the communication device according to the embodiment of the present invention may be a network device, so that details of method embodiments 100 to 700 can be implemented and the same effects are achieved. As shown in fig. 11, the network device 1100 includes: processor 1101, transceiver 1102, memory 1103 and bus interface, wherein:

in an embodiment of the present invention, the network device 1100 further includes: computer programs stored on the memory 1103 and executable on the processor 1101, which when executed by the processor 1101 implement the steps of the methods 100-700.

In fig. 11, a bus architecture may comprise any number of interconnecting buses and bridges, with various circuits of the one or more processors, as represented by the processor 1101, and the memory, as represented by the memory 1103, being linked together. The bus architecture may also link together various other circuits such as peripheral devices, voltage regulators, power management circuits, etc., which are well known in the art and, therefore, will not be described further herein. The bus interface provides an interface. The transceiver 1102 may be a number of elements, i.e., including a transmitter and a receiver, providing a means for communicating with various other apparatus over a transmission medium.

The processor 1101 is responsible for managing the bus architecture and general processing, and the memory 1103 may store data used by the processor 1101 in performing the operations.

The embodiment of the present invention further provides a computer readable storage medium, on which a computer program is stored, where the computer program when executed by a processor implements each process of the foregoing method embodiments 100 to 700, and the same technical effects can be achieved, and for avoiding repetition, a detailed description is omitted herein. Wherein the computer readable storage medium is selected from Read-Only Memory (ROM), random access Memory (Random Access Memory, RAM), magnetic disk or optical disk.

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 one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

From the above description of the embodiments, it will be clear to those skilled in the art that the above-described embodiment method may be implemented by means of software plus a necessary general hardware platform, but of course may also be implemented by means of hardware, but in many cases the former is a preferred embodiment.

Based on such understanding, the technical solution of the present invention may be embodied essentially or in a part contributing to the prior art in the form of a software product stored in a storage medium (e.g. ROM/RAM, magnetic disk, optical disk) comprising instructions for causing a terminal (which may be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) to perform the method according to the embodiments of the present invention.

The embodiments of the present invention have been described above with reference to the accompanying drawings, but the present invention is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many forms may be made by those having ordinary skill in the art without departing from the spirit of the present invention and the scope of the claims, which are to be protected by the present invention.

Claims

1. A method of determining feedback resources, the method performed by a communication device, the method comprising:

transmitting feedback resource information, wherein the feedback resource information is used for indicating target feedback resources corresponding to joint DCI, and the joint DCI schedules a plurality of carriers or cells;

wherein the feedback resource information includes at least one of:

a set of one or more time intervals;

one or more time intervals;

wherein the time interval is a time interval between a reference time point and a corresponding target feedback resource, and the reference time point includes one of the following:

a starting point or an ending point of a time unit where the single DCI associated with the combined DCI is located;

starting point, ending point or time unit of PDSCH of single DCI scheduling associated with the joint DCI;

a starting point, an ending point or a time unit of a target PDSCH in the plurality of PDSCHs scheduled by the joint DCI, wherein the target PDSCH is a PDSCH with the latest ending time in the plurality of PDSCHs;

a first carrier or a starting point, an ending point or a time unit where a PDSCH is located on a first cell, where the first carrier or the first cell and the multiple carriers or cells are configured for the same ue, and the first carrier is a carrier with a minimum carrier identifier in the multiple carriers, or the first cell is a cell with a minimum cell identifier in the multiple cells;

Starting point, ending point or time unit of PDSCH on carrier wave or cell corresponding to the time interval.

2. The method of claim 1, wherein the transmitting feedback resource information comprises:

transmitting the feedback resource information through high-level signaling; and/or

Transmitting the feedback resource information through DCI, wherein the DCI comprises: the joint DCI and/or a single DCI associated with the joint DCI.

3. The method of claim 2, wherein,

the feedback resource information transmitted through the higher layer signaling includes:

a set of one or more time intervals;

and/or

The feedback resource information transmitted through DCI includes:

one or more time intervals.

4. The method of claim 1, wherein the subcarrier spacing of the plurality of carriers or cells is the same or the subcarrier spacing of the plurality of carriers or cells is the same as a cyclic prefix CP.

5. The method of claim 1, wherein the joint DCI is at a same time-domain location where PDSCH scheduled on multiple carriers or cells is located.

6. The method of claim 1, wherein there are carriers or cells in the plurality of carriers or cells with different subcarrier spacing.

7. The method of claim 3, wherein the transmitting feedback resource information comprises:

and transmitting a feedback resource information.

8. The method of claim 7, wherein the transmitting a feedback resource information comprises:

in a first case, transmitting a set of time intervals by higher layer signaling;

wherein the first case comprises:

feedback using dynamic codebooks, or

9. The method of claim 8, wherein after said transmitting a feedback resource information, the method further comprises:

from the set of one time interval, a plurality of time intervals are indicated by DCI.

10. The method of claim 7, wherein the transmitting a feedback resource information comprises:

transmitting, in a first case, a time interval through the DCI;

wherein the first case comprises:

feedback using dynamic codebooks, or

11. The method of claim 3, wherein the transmitting feedback resource information comprises:

and transmitting a plurality of feedback resource information.

12. The method of claim 11, wherein the transmitting the plurality of feedback resource information comprises:

in a second case, transmitting a set of a plurality of time intervals through higher layer signaling;

wherein the second case comprises:

feedback using a semi-static codebook, or

13. The method of claim 12, wherein after the transmitting the plurality of feedback resource information, the method further comprises:

one time interval is indicated from the set of the plurality of time intervals through the DCI.

14. The method of claim 11, wherein the transmitting the plurality of feedback resource information comprises:

in a second case, transmitting a plurality of time intervals through DCI;

wherein the second case comprises:

feedback using a semi-static codebook, or

15. The method according to any of claims 11-14, wherein each carrier or cell of the plurality of carriers or cells corresponds to the same target feedback resource information; or alternatively

Each preset carrier or cell group corresponds to the same target feedback resource information;

the sub-carriers or cells with the same sub-carrier intervals in the plurality of carriers or cells correspond to the same target feedback resource information; or alternatively

The subcarrier spacing in the multiple carriers or cells and the carrier or cell with the same cyclic prefix correspond to the same target feedback resource information; or alternatively

The carriers or cells associated with the same feedback cell correspond to the same target feedback resource information; or alternatively

And the carriers or cells associated with the same feedback cell group correspond to the same target feedback resource information.

16. The method of claim 1, wherein after the transmitting feedback resource information, the method further comprises:

and determining at least one feedback time period according to the target feedback resource.

17. The method of claim 3, wherein the DCI carries indication information of the feedback resource information to indicate the feedback resource information, wherein the indication information of the feedback resource information comprises:

The indication information of the time intervals is used for indicating one or more time intervals; or alternatively

And the joint indication information is used for indicating a plurality of time intervals.

18. A communication device, comprising:

the processing module is used for transmitting feedback resource information, wherein the feedback resource information is used for indicating target feedback resources corresponding to joint DCI, and the joint DCI schedules a plurality of carriers or cells;

wherein the feedback resource information includes at least one of:

a set of one or more time intervals;

one or more time intervals;

the time interval is a time interval between a reference time point and a corresponding target feedback resource, and the reference time point is one of the following:

19. A network device, comprising: memory, a processor and a computer program stored on the memory and executable on the processor, which when executed by the processor, performs the steps of the method of determining feedback resources as claimed in any one of claims 1 to 17.

20. A terminal device, comprising: memory, a processor and a computer program stored on the memory and executable on the processor, which when executed by the processor, performs the steps of the method of determining feedback resources as claimed in any one of claims 1 to 17.

21. A computer readable storage medium, characterized in that it has stored thereon a computer program which, when executed by a processor, implements the steps of the method of determining feedback resources according to any of claims 1 to 17.