WO2020048256A1

WO2020048256A1 - Determining method, terminal device, and network device

Info

Publication number: WO2020048256A1
Application number: PCT/CN2019/098215
Authority: WO
Inventors: 鲁智; 潘学明
Original assignee: 维沃移动通信有限公司
Priority date: 2018-09-07
Filing date: 2019-07-29
Publication date: 2020-03-12
Also published as: CN110890943A; CN110890943B

Abstract

Provided in the embodiments of the present invention are a determining method, a terminal device, and a network device, relating to the technical field of communication, and used for solving the problem of resource waste caused by a traditional UE being unable to feed back ACK/NACK to a base station when a channel monitoring result is busy. The method comprises: when monitoring first DCI, a terminal device determines on the basis of first information whether to send second information to a network device over a first resource; the first resource is a physical uplink control channel PUCCH resource or physical uplink shared channel PUSCH resource corresponding to a physical downlink control channel PDCCH scheduled by the first DCI; and the second information is acknowledgement information ACK/non-acknowledgement information NACK corresponding to part or all of a hybrid automatic repeat request HARQ process. The invention is used in a PDSCH transmission scenario.

Description

Determination method, terminal equipment and network equipment

This application claims the priority of a Chinese patent application filed on September 7, 2018 with the State Intellectual Property Office, application number 201811045911.0, and application name "Determining Method, Terminal Equipment, and Network Equipment", the entire contents of which are incorporated herein by reference. Applying.

Technical field

The present application relates to the field of communication technologies, and in particular, to a determination method, a terminal device, and a network device.

Background technique

At present, after receiving a physical downlink shared channel (PDSCH) sent by a base station, a user equipment (User Equipment) needs to feedback acknowledgement (ACK) / negative information (Negative, ACKnowledgment, NACK). The base station is informed whether the PDSCH is received correctly, and the auxiliary base station judges whether the PDSCH needs to be retransmitted subsequently according to the ACK / NACK.

In the NR-U scenario, since the UE needs to perform channel monitoring before sending ACK / NACK to determine whether the channel is busy and green. If the listening result is busy, the UE cannot send information. If the channel is idle, the UE may Send uplink control information such as ACK / NACK.

However, when the listening result is busy, because the UE cannot send ACK / NACK to the base station, the base station cannot know whether to retransmit the PDSCH, so that the base station can only retransmit all the PDSCHs that were previously sent, thereby causing waste of resources. .

Summary of the Invention

Embodiments of the present invention provide a determination method, a terminal device, and a network device, which are used to solve the problem of wasted resources caused by a traditional UE that cannot feedback ACK / NACK to a base station when the channel monitoring result is busy.

In order to solve the above technical problems, this application is implemented as follows:

In a first aspect, an embodiment of the present invention provides a determining method, which is applied to a terminal device, and the method includes:

When the terminal device detects first downlink control information (DCI), determine whether to send the second information to the network device on the first resource according to the first information;

The first resource is a physical uplink control channel (PUCCH) resource or a physical uplink shared channel (PUSCH) resource corresponding to the PDSCH scheduled by the first DCI; the The second information is an ACK / NACK corresponding to a part or all of a Hybrid Automatic Repeat Request (HARQ) process.

In a second aspect, an embodiment of the present invention provides a determining method, which is applied to a network device. The method includes:

Sending the first information to the terminal device;

Generating a first DCI;

Sending the first DCI to the terminal device;

The first DCI is used to instruct the terminal device to determine whether to send second information to the network device on a first resource according to the first information when the first DCI is monitored; the first The resource is a PUCCH resource or a PUSCH resource corresponding to the PDSCH scheduled by the first DCI; and the second information is an ACK / NACK corresponding to part or all of the hybrid HARQ process.

According to a third aspect, an embodiment of the present invention provides a terminal device, including:

A determining module, configured to determine whether to send the second information to the network device on the first resource according to the first information when the terminal device detects the first DCI;

The first resource is a PUCCH resource or a PUSCH resource corresponding to the PDSCH scheduled by the first DCI; and the second information is an ACK / NACK corresponding to part or all of the HARQ process.

In a fourth aspect, an embodiment of the present invention provides a network device, including:

A sending module, configured to send the first information to the terminal device;

A generating module, configured to generate a first DCI;

A sending module, configured to send the first DCI generated by the generating module to the terminal device;

The first DCI is used to instruct the terminal device to determine whether to send second information to the network device on a first resource according to the first information when the first DCI is monitored; the first The resource is a PUCCH resource or a PUSCH resource corresponding to the PDSCH scheduled by the first DCI; and the second information is an ACK / NACK corresponding to part or all of the HARQ process.

In a fifth aspect, an embodiment of the present invention provides a terminal device including a processor, a memory, and a computer program stored on the memory and executable on the processor, and the computer program is executed by the processor. When implementing the steps of the determining method as described in the first aspect.

According to a sixth aspect, an embodiment of the present invention provides a network device, including a processor, a memory, and a computer program stored on the memory and executable on the processor. When the computer program is executed by the processor, Implementing the steps of the determining method as described in the second aspect.

According to a seventh aspect, an embodiment of the present invention provides a computer-readable storage medium. A computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, the steps of the determining method are implemented.

In the embodiment of the present invention, when the terminal device detects the first DCI, the terminal device determines whether it is on the first resource (that is, the PUCCH resource or the PUSCH resource corresponding to the PDSCH scheduled by the first DCI) according to the indication of the first information. The second information (ie, ACK / NACK corresponding to some or all HARQ processes) is sent to the network device, so that the terminal device can prevent the terminal device from feedbacking the HARQ process response to the network device when the channel listening result is busy. ACK / NACK caused by the waste of resources can improve resource utilization.

BRIEF DESCRIPTION OF THE DRAWINGS

In order to explain the technical solution of the embodiments of the present invention more clearly, the drawings used in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings in the following description are only some of the present invention. For those of ordinary skill in the art, other embodiments may be obtained based on these drawings without paying creative labor.

FIG. 1 is a schematic structural diagram of a communication system according to an embodiment of the present invention; FIG.

FIG. 2 is one of the schematic flowcharts of a determining method according to an embodiment of the present invention; FIG.

3 is a second schematic flowchart of a determining method according to an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a terminal device according to an embodiment of the present invention; FIG.

FIG. 5 is one of the schematic structural diagrams of a network device according to an embodiment of the present invention; FIG.

6 is a second schematic structural diagram of a terminal device according to an embodiment of the present invention;

FIG. 7 is a second schematic structural diagram of a network device according to an embodiment of the present invention.

detailed description

In the following, the technical solutions in the embodiments of the present invention will be clearly and completely described with reference to the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts shall fall within the protection scope of the present application.

The term "and / or" in this document is only a kind of association relationship describing related objects, which means that there can be three kinds of relationships, for example, A and / or B can mean: A exists alone, A and B exist simultaneously, and exists alone B these three cases. In addition, the character "/" in this article generally indicates that the related objects are an "or" relationship; in the formula, the character "/" indicates that the related objects are a "divide" relationship. If not specified, "a plurality" herein means two or more.

In order to facilitate a clear description of the technical solutions of the embodiments of the present invention, in the embodiments of the present invention, the words "first" and "second" are used to distinguish the same or similar items having substantially the same functions or functions. The skilled person can understand that the words "first" and "second" do not limit the quantity and execution order.

In the embodiments of the present invention, words such as “exemplary” or “such as” are used as examples, illustrations or descriptions. Any embodiment or design described as "exemplary" or "for example" in the embodiments of the present invention should not be construed as more preferred or more advantageous than other embodiments or designs. Rather, the use of the words "exemplary" or "for example" is intended to present the relevant concept in a concrete manner. In the embodiments of the present invention, unless otherwise stated, the meaning of "a plurality" means two or more.

The technical solution provided in this application can be applied to various communication systems, for example, a 5G communication system, a future evolution system, or a variety of communication convergence systems. Can include a variety of application scenarios, such as machine-to-machine (M2M), D2M, macro communication, enhanced mobile Internet (eMBB), ultra-high reliability and ultra-low-latency communication (ultra Reliable & Low Latency (Communication, uRLLC) and Massive Machine Type Communication (mMTC) and other scenarios. These scenarios include, but are not limited to, scenarios such as communication between a terminal device and a terminal device, or communication between a network device and a network device, or communication between a network device and a terminal device. The embodiments of the present invention may be applied to communication with a network device and a terminal device in a 5G communication system, or communication between a terminal device and a terminal device, or communication between a network device and a network device.

FIG. 1 shows a schematic diagram of a possible structure of a communication system according to an embodiment of the present invention. As shown in FIG. 1, the communication system includes at least one network device 100 (only one is shown in FIG. 1) and one or more terminal devices 200 to which each network device 100 is connected.

The network device 100 may be a base station, a core network device, a transmission and reception node (Transmission and Reception Point, TRP), a relay station, or an access point. The network device 100 may be a Global System for Mobile Communication (GSM) or a Code Division Multiple Access (CDMA) network, or a base transceiver station (BTS), or a broadband NB (NodeB) in Wideband Code Division Multiple Access (WCDMA) can also be eNB or eNodeB (evolutional NodeB) in LTE. The network device 100 may also be a wireless controller in a Cloud Radio Access Network (CRAN) scenario. The network device 100 may also be a network device in a 5G communication system or a network device in a future evolved network. However, the wording does not constitute a limitation on this application.

The terminal device 200 may be a wireless terminal device or a wired terminal device. The wireless terminal device may be a device that provides voice and / or other business data connectivity to the user, a handheld device with a wireless communication function, a computing device, or a device connected to a wireless device. Other modem processing equipment, vehicle-mounted equipment, wearable equipment, terminal equipment in the future 5G network, or terminal equipment in the future evolved PLMN network, etc. A wireless terminal device can communicate with one or more core networks via a Radio Access Network (RAN). The wireless terminal device can be a mobile terminal device, such as a mobile phone (also called a "cellular" phone) and has mobile The computer of the terminal device, for example, may be a portable, pocket, handheld, computer-built or vehicle-mounted mobile device, which exchanges language and / or data with the wireless access network, and personal communication service (PCS) Phones, cordless phones, Session Initiation Protocol (SIP) phones, Wireless Local Loop (WLL) stations, Personal Digital Assistants (PDAs), and other devices. Wireless terminal devices can also be mobile Equipment, user equipment (User Equipment, UE), UE terminal equipment, access terminal equipment, wireless communication equipment, terminal equipment unit, terminal equipment station, mobile station, mobile station, mobile station, remote station ), Remote station, remote terminal equipment (Remote terminal), subscriber unit (Subsc riber unit, subscriber station, user agent, terminal equipment, etc. As an example, in the embodiment of the present invention, FIG. 1 illustrates that the terminal device is a mobile phone.

FIG. 2 is a schematic flowchart of a determination method according to an embodiment of the present invention. As shown in FIG. 2, the determination method may include the following steps:

Step 201: The network device generates a first DCI.

Step 202: The network device sends the first DCI to the terminal device.

The network device in the embodiment of the present invention may be a network device in the communication system shown in FIG. 1, for example, a base station; the terminal device in the embodiment of the present invention may be a terminal in the communication system shown in FIG. 1.

In the embodiment of the present invention, the foregoing first DCI is used to instruct the terminal device to determine whether to send the second information to the network device on the first resource according to the first information when the first DCI is monitored.

Step 203: When the terminal device detects the first DCI, the terminal device determines whether to send the second information to the network device on the first resource according to the first information.

Optionally, in the embodiment of the present invention, the foregoing first information may be predefined, that is, stipulated by an agreement.

Optionally, in the embodiment of the present invention, the foregoing first information is configured by the network device for the terminal device.

Exemplarily, as shown in FIG. 3, before step 201 described above, the terminal device needs to configure the first information for the terminal device. Specifically, the method further includes step A1:

Step A1: The network device sends the first information to the terminal device.

With reference to the above step A1, before step 203, or before the terminal device detects the first DCI, the method further includes step A2:

Step A2: The terminal device receives the first information from the network device.

In the embodiment of the present invention, the foregoing first resource is a PUCCH resource or a PUSCH resource corresponding to the PDSCH scheduled by the first DCI. The above-mentioned second information is an ACK / NACK corresponding to part or all of the HARQ processes, that is, the above-mentioned second information is an ACK / NACK corresponding to each HARQ process in the part or all of the HARQ processes.

In the embodiment of the present invention, the foregoing first information is used to indicate a sending condition of the second information, that is, the foregoing first information is used to instruct the terminal device to send the sending condition of the second information to the network device.

Optionally, in the embodiment of the present invention, the above-mentioned first information is used to instruct the target to roll back the DCI. Specifically, the foregoing first information is further used to instruct the terminal device to send the second information to the network device when the target fallback DCI is detected, that is, the foregoing sending condition is: the terminal device detects the target fallback DCI.

Further optionally, in the embodiment of the present invention, the above-mentioned first information is specifically used to indicate at least one of the following: information of a CORESET corresponding to a search space where the target rollback DCI is located, information of a search space where the target fallback DCI is located, a bearer Information of the starting control channel element (CCE) of the physical downlink control channel (Physical Downlink Control Channel, PDCCH) of the target fallback DCI, information of the time slot where the PDCCH carrying the target fallback DCI is located, and the target fallback DCI Aggregation level information used.

In one example, the above-mentioned first information includes at least one of the following: information of a CORESET corresponding to a search space where the target fallback DCI is located (for example, ID information of the CORESET), and information of a search space where the target fallback DCI is located ( For example, the ID number information of the search space), the information of the starting CCE of the PDCCH carrying the target fallback DCI, the information of the time slot where the PDCCH carrying the target fallback DCI is located, and the aggregation level information used by the target fallback DCI.

Generally, the aggregation level refers to how many CCEs the DCI carries. The aggregation level can be, but is not limited to, 1, 2, 4, 8, 16, etc. For example, an aggregation level of 2 means that the DCI is carried on 2 CCEs.

Optionally, in the embodiment of the present invention, after step 203, the method further includes:

Step 203a: In a case where the terminal device determines to send the second information to the network device on the first resource according to the first information, the terminal device sends the second information to the network device on the first resource according to the identifier size of the HARQ process.

Exemplarily, if the second information includes ACK / NACKs corresponding to all HARQ processes, the terminal device sorts the identities of all HARQ processes in descending order, and then sequentially sends the first resource to the network in this order. The device feeds back the ACK / NACK of each HARQ process in all HARQ processes; if the second information includes the ACK / NACK corresponding to part of the HARQ process, the terminal device sorts the identifiers of the part of the HARQ process in descending order and then , In accordance with the sequence, the ACK / NACK of each HARQ process in the part of the HARQ process is fed back to the network device in turn. At this time, the terminal device does not feedback the number of bits of the ACK / NACK determined by the semi-static codebook or dynamic codebook previously configured by the network device.

It should be noted that, in the embodiment of the present invention, when the foregoing second information is an ACK / NACK corresponding to a part of the HARQ process, the part of the HARQ process is configured by the network device to the terminal device. For example, the network device is the terminal device Configure the identity of some HARQ processes.

Optionally, in the embodiment of the present invention, when the first information is used to instruct the target to roll back DCI, step 203 mentioned above specifically includes the following steps:

Step 203b1: The terminal device determines whether the first DCI is the target fallback DCI according to the first information.

Step 203b2: If the first DCI is the target fallback DCI, the terminal device determines to send the second information to the network device on the first resource.

The following describes the process of step 203b1 and step 203b2 by using five examples:

Example 1:

Specifically, in a case where the first information is used to indicate ID information of CORESET corresponding to a search space where the target rollback DCI is located, when the terminal device detects a rollback DCI on the CORESET according to the ID information of the CORESET (the rollback DCI) When the target device rolls back DCI), the terminal device feeds back to the network device some or all of the ACK / NACK corresponding to the HARQ process, that is, when the terminal device detects a rollback DCI on the CORESET indicated by the first information, the feedback part or ACK / NACK corresponding to all HARQ processes.

Example 1: The above-mentioned first indication information may indicate that the rollback DCI transmitted on the CORESET whose ID number is odd (or even) is the target rollback DCI.

Example 2: The above-mentioned first instruction information may indicate that the ID number of CORESET satisfies the condition of mod (CORESET ID, X) = Y (the above-mentioned X may be set according to the actual application scenario, which is not limited in this application) The transmitted fallback DCI is the target fallback DCI.

In this way, when the terminal device detects the target fallback DCI shown in the above Example 1 or Example 2, it can feed back some ACK / NACK corresponding to the HARQ process on the PUCCH resources corresponding to the PDSCH scheduled by the target fallback DCI.

Example 2:

Specifically, in a case where the first information is used to indicate ID information of a search space where the target fallback DCI is located, when the terminal device detects a fallback DCI on the search space (the fallback DCI is the target fallback DCI), The terminal device feeds back to the network device some or all of the ACK / NACK corresponding to the HARQ process, that is, when the terminal device detects a fallback DCI in the search space indicated by the first information, it feeds back some or all of the ACK / NACK corresponding to the HARQ process. NACK.

Example 3: The above-mentioned first indication information may indicate that the back-off DCI transmitted on the search space with an odd or even ID number is the target back-off DCI. In this way, when the terminal device detects the target fallback DCI, the terminal device can feed back ACK / NACK corresponding to some or all HARQ processes on the PUCCH resources corresponding to the PDSCH scheduled by the target fallback DCI.

Example 3:

Specifically, in the case where the first information is used to indicate the starting CCE information of the PDCCH where the target fallback DCI is located, when the terminal device detects the fallback DCI on the starting CCE information (the fallback DCI is the target fallback DCI) ), The terminal device feeds back to the network device some or all of the ACK / NACK corresponding to the HARQ process, that is, when the terminal device detects a fallback DCI on the initial CCE information indicated by the first information, it feeds back some or all of the HARQ ACK / NACK corresponding to the process.

Example 4: The above-mentioned first indication information may indicate that the back-off DCI transmitted on the PDCCH whose starting CCE is odd or even is the target back-off DCI. In this way, when the terminal device detects the target fallback DCI, the terminal device can feed back ACK / NACK corresponding to some or all HARQ processes on the PUCCH resources corresponding to the PDSCH scheduled by the target fallback DCI.

Example 4:

Specifically, in the case where the first information is used to indicate information about the slot where the target rollback DCI is located, when the terminal device detects a rollback DCI on the slot (the rollback DCI is the target rollback DCI), the terminal device sends The network device feeds back some or all of the ACK / NACK corresponding to the HARQ process, that is, when the terminal device detects a fallback DCI on the initial CCE information indicated by the first information, it feeds back some or all of the ACK / NACK corresponding to the HARQ process.

Example 5: The above-mentioned first indication information may indicate that the back-off DCI transmitted on the slot with odd or even slots is the target back-off DCI. In this way, when the terminal device detects the target fallback DCI, the terminal device can feed back ACK / NACK corresponding to some or all HARQ processes on the PUCCH resources corresponding to the PDSCH scheduled by the target fallback DCI.

Example 5:

Specifically, in a case where the first information is used to indicate the aggregation level information used by the target rollback DCI, when the terminal device detects a rollback DCI based on the aggregation level information (the rollback DCI is the target rollback DCI), The terminal device feeds back some or all of the ACK / NACK corresponding to the HARQ process to the network device, that is, when the terminal device detects a back-off DCI on the initial CCE information indicated by the first information, it feeds back some or all of the corresponding HARQ process. ACK / NACK.

Example 6: The above-mentioned first indication information may indicate that a DCI with an aggregation level of 4 is a target fallback DCI. In this way, when the terminal device detects the target fallback DCI, the terminal device can feed back ACK / NACK corresponding to some or all HARQ processes on the PUCCH resources corresponding to the PDSCH scheduled by the target fallback DCI.

In addition, in the embodiment of the present invention, the terminal device may also directly monitor the target rollback DCI according to the first information described above, and after detecting the target rollback DCI, PUCCH corresponding to the PDSCH scheduled by the target rollback DCI. The ACK / NACK corresponding to part or all of the HARQ process is sent to the network device on the resource or the PUSCH resource.

In the determination method provided in the embodiment of the present invention, when the terminal device detects the first DCI, the terminal device determines whether it is on the first resource (that is, the PUCCH resource or the PUSCH corresponding to the PDSCH scheduled by the first DCI) according to the indication of the first information. Resource) to the network device to send the second information (ie, ACK / NACK corresponding to some or all HARQ processes), because the above-mentioned first information limits the sending conditions of the second information, so that the terminal device can avoid the terminal device in the channel In the case where the listening result is busy, the problem of resource waste caused by the inability to feed back the ACK / NACK corresponding to the HARQ process to the network device can improve resource utilization.

As shown in FIG. 4, an embodiment of the present invention provides a terminal device 300. The terminal device 300 includes: a determining module 301, where:

A determining module 301 is configured to determine whether to send the second information to the network device on the first resource according to the first information when the terminal device 300 detects the first DCI. The first resource is the PUCCH resource or the PUSCH resource corresponding to the PDSCH scheduled by the first DCI; the second information is the ACK / NACK corresponding to part or all of the HARQ process.

Optionally, the above-mentioned first information is used to indicate the target fallback DCI; wherein, the above-mentioned first information is also used to instruct the terminal device 300 to send the first information to the network device when the target fallback DCI is detected. Two messages.

Optionally, the foregoing first information is specifically used to indicate at least one of the following: information of a CORESET corresponding to a search space where the target fallback DCI is located, information of a search space where the target fallback DCI is located, and a start of a PDCCH carrying the target fallback DCI. The information of the starting CCE, the information of the time slot where the PDCCH carrying the target fallback DCI is located, and the aggregation level information used by the target fallback DCI.

Optionally, the foregoing determining module 301 is specifically configured to determine whether the first DCI is the target fallback DCI according to the first information; if the first DCI is the target fallback DCI, determine to send the network to the network on the first resource. The device sends the second message.

Optionally, as shown in FIG. 4, the terminal device 300 further includes: a receiving module 302, where:

The receiving module 302 is further configured to receive first information from a network device.

Optionally, the above-mentioned first information is predefined.

In the terminal device provided by the embodiment of the present invention, when the terminal device detects the first DCI, the terminal device determines whether it is on the first resource (that is, the PUCCH resource or the PUSCH corresponding to the PDSCH scheduled by the first DCI) according to the indication of the first information. Resource) to the network device to send the second information (ie, ACK / NACK corresponding to some or all HARQ processes), because the above-mentioned first information limits the sending conditions of the second information, so that the terminal device can prevent the terminal device from detecting the channel When the listening result is busy, a resource waste problem caused by the inability to feed back the ACK / NACK corresponding to the HARQ process to the network device can improve resource utilization.

The terminal device provided in the embodiment of the present invention can implement the process shown in the foregoing method embodiment. To avoid repetition, details are not described herein again.

As shown in FIG. 5, an embodiment of the present invention provides a schematic structural diagram of a network device. The network device 400 includes a sending module 401 and a generating module 402, where:

The sending module 401 is configured to send first information to a terminal device.

The generating module 402 is configured to generate a first DCI.

The sending module 401 is configured to send the first DCI generated by the generating module 402 to the terminal device.

The first DCI is used to instruct the terminal device to determine whether to send the second information to the network device on the first resource according to the first information when the first DCI is monitored; the first resource is the PDSCH scheduled by the first DCI. Corresponding PUCCH resource or PUSCH resource; the above-mentioned second information is ACK / NACK corresponding to some or all HARQ processes.

Optionally, the above-mentioned first information is used to indicate the target fallback DCI; wherein, the above-mentioned first information is also used to instruct the terminal device to send the second information to the network device when the target fallback DCI is detected.

The network device provided in the embodiment of the present invention sends the instruction information to the terminal device, so that, when the terminal device detects the first DCI, the terminal device determines whether it is on the first resource (that is, the first resource) according to the indication of the first information. A PUCCH resource or a PUSCH resource corresponding to a PDSCH scheduled by a DCI sends second information (ie, an ACK / NACK corresponding to some or all HARQ processes) to a network device. Because the above-mentioned first information limits the sending conditions of the second information, Therefore, the terminal device can avoid the resource waste caused by the terminal device being unable to feed back the ACK / NACK corresponding to the HARQ process to the network device when the channel monitoring result is busy, and the resource utilization rate can be improved.

FIG. 6 is a schematic diagram of a hardware structure of a terminal device for implementing various embodiments of the present invention. The terminal device 100 includes, but is not limited to, a radio frequency unit 101, a network module 102, an audio output unit 103, an input unit 104, a sensor 105, and a display unit. 106, a user input unit 107, an interface unit 108, a memory 109, a processor 110, and a power supply 111. Those skilled in the art can understand that the structure of the terminal device 100 shown in FIG. 6 does not constitute a limitation on the terminal device. The terminal device 100 may include more or fewer components than shown in the figure, or combine some components, or Different component arrangements. In the embodiment of the present invention, the terminal device 100 includes, but is not limited to, a mobile phone, a tablet computer, a notebook computer, a palmtop computer, a vehicle-mounted terminal device, a wearable device, and a pedometer.

The processor 110 is configured to determine whether to send the second information to the network device on the first resource according to the first information when the terminal device 100 detects the first DCI; wherein the first resource is the first A PUCCH resource or a PUSCH resource corresponding to a PDSCH scheduled by a DCI; the above-mentioned second information is an ACK / NACK corresponding to some or all HARQ processes.

It should be understood that, in the embodiment of the present invention, the radio frequency unit 101 may be used to receive and send signals during the transmission and reception of information or during a call. Specifically, the downlink data from the base station is received and processed by the processor 110; The uplink data is sent to the base station. Generally, the radio frequency unit 101 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like. In addition, the radio frequency unit 101 can also communicate with a network and other devices through a wireless communication system.

The terminal device 100 provides users with wireless broadband Internet access through the network module 102, such as helping users to send and receive email, browse web pages, and access streaming media.

The audio output unit 103 may convert audio data received by the radio frequency unit 101 or the network module 102 or stored in the memory 109 into audio signals and output them as sound. Moreover, the audio output unit 103 may also provide audio output (for example, a call signal receiving sound, a message receiving sound, etc.) related to a specific function performed by the terminal device 100. The audio output unit 103 includes a speaker, a buzzer, a receiver, and the like.

The input unit 104 is used for receiving audio or video signals. The input unit 104 may include a graphics processing unit (GPU) 1041 and a microphone 1042. The graphics processor 1041 pairs images of still pictures or videos obtained by an image capture device (such as a camera) in a video capture mode or an image capture mode. Data is processed. The processed image frames may be displayed on the display unit 106. The image frames processed by the graphics processor 1041 may be stored in the memory 109 (or other storage medium) or transmitted via the radio frequency unit 101 or the network module 102. The microphone 1042 can receive sound, and can process such sound into audio data. The processed audio data can be converted into a format that can be transmitted to a mobile communication base station via the radio frequency unit 101 in the case of a telephone call mode and output.

The terminal device 100 further includes at least one sensor 105, such as a light sensor, a motion sensor, and other sensors. Specifically, the light sensor includes an ambient light sensor and a proximity sensor. The ambient light sensor can adjust the brightness of the display panel 1061 according to the brightness of the ambient light. The proximity sensor can close the display panel 1061 and the display panel 1061 when the terminal device 100 is moved to the ear. / Or backlight. As a type of motion sensor, the accelerometer sensor can detect the magnitude of acceleration in various directions (usually three axes), and can detect the magnitude and direction of gravity when it is stationary, which can be used to identify the attitude of the terminal device (such as horizontal and vertical screen switching, related games , Magnetometer attitude calibration), vibration recognition related functions (such as pedometer, tap), etc .; sensor 105 can also include fingerprint sensor, pressure sensor, iris sensor, molecular sensor, gyroscope, barometer, hygrometer, thermometer, Infrared sensors, etc. are not repeated here.

The display unit 106 is configured to display information input by the user or information provided to the user. The display unit 106 may include a display panel 1061, and the display panel 1061 may be configured in the form of a liquid crystal display (LCD), an organic light-emitting diode (OLED), or the like.

The user input unit 107 may be configured to receive inputted numeric or character information and generate key signal inputs related to user settings and function control of the terminal device 100. Specifically, the user input unit 107 includes a touch panel 1071 and other input devices 1072. Touch panel 1071, also known as touch screen, can collect user's touch operations on or near it (such as the user using a finger, stylus, etc. any suitable object or accessory on touch panel 1071 or near touch panel 1071 operating). The touch panel 1071 may include two parts, a touch detection device and a touch controller. Among them, the touch detection device detects the user's touch position, and detects the signal caused by the touch operation, and transmits the signal to the touch controller; the touch controller receives touch information from the touch detection device, converts it into contact coordinates, and sends it The processor 110 receives and executes a command sent by the processor 110. In addition, the touch panel 1071 may be implemented in various types such as resistive, capacitive, infrared, and surface acoustic wave. In addition to the touch panel 1071, the user input unit 107 may also include other input devices 1072. Specifically, other input devices 1072 may include, but are not limited to, a physical keyboard, function keys (such as volume control keys, switch keys, etc.), a trackball, a mouse, and a joystick, and details are not described herein again.

Further, the touch panel 1071 may be overlaid on the display panel 1061. When the touch panel 1071 detects a touch operation on or near the touch panel 1071, the touch panel 1071 transmits the touch operation to the processor 110 to determine the type of the touch event. The type of event provides a corresponding visual output on the display panel 1061. Although in FIG. 6, the touch panel 1071 and the display panel 1061 are implemented as two independent components to implement the input and output functions of the terminal device 100, in some embodiments, the touch panel 1071 and the display panel 1061 may be used. The integration implements the input and output functions of the terminal device 100, which is not specifically limited here.

The interface unit 108 is an interface through which an external device is connected to the terminal device 100. For example, the external device may include a wired or wireless headset port, an external power (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device with an identification module, and audio input / output (I / O) port, video I / O port, headphone port, and more. The interface unit 108 may be used to receive an input (e.g., data information, power, etc.) from an external device and transmit the received input to one or more elements within the terminal device 100 or may be used to connect the terminal device 100 and an external device. Transfer data between devices.

The memory 109 may be used to store software programs and various data. The memory 109 may mainly include a storage program area and a storage data area, where the storage program area may store an operating system, at least one application required by a function (such as a sound playback function, an image playback function, etc.), etc .; Data (such as audio data, phone book, etc.) created by the use of mobile phones. In addition, the memory 109 may include a high-speed random access memory, and may further include a non-volatile memory, such as at least one magnetic disk storage device, a flash memory device, or other volatile solid-state storage devices.

The processor 110 is a control center of the terminal device 100, and connects various parts of the entire terminal device 100 by using various interfaces and lines, and runs or executes software programs and / or modules stored in the memory 109, and calls stored in the memory 109 Data, perform various functions of the terminal device 100 and process the data, so as to monitor the terminal device 100 as a whole. The processor 110 may include one or more processing units; optionally, the processor 110 may integrate an application processor and a modem processor, wherein the application processor mainly processes an operating system, a user interface, and an application program, etc. The tuning processor mainly handles wireless communication. It can be understood that the foregoing modem processor may not be integrated into the processor 110.

The terminal device 100 may further include a power source 111 (such as a battery) for supplying power to various components. Optionally, the power source 111 may be logically connected to the processor 110 through a power management system, thereby implementing management of charging, discharging, and power consumption through the power management system. Management and other functions.

In addition, the terminal device 100 includes some functional modules that are not shown, and details are not described herein again.

FIG. 7 is a schematic diagram of a hardware structure of a network device according to an embodiment of the present invention. The network device 800 includes: a processor 801, a transceiver 802, a memory 803, a user interface 804, and a bus interface.

The transceiver 802 is configured to send the first information to the terminal device; the processor 801 is configured to generate the first DCI; the transceiver 802 is further configured to send the first DCI to the terminal device.

The above-mentioned first DCI is used to instruct the terminal device to determine whether to send the second information to the network device 800 on the first resource according to the first information when the first DCI is monitored; the above-mentioned first resource is scheduled by the first DCI. The PUCCH resource or the PUSCH resource corresponding to the PDSCH; the above-mentioned second information is an ACK / NACK corresponding to part or all of the HARQ process.

In the embodiment of the present invention, in FIG. 7, the bus architecture may include any number of interconnected buses and bridges. Specifically, one or more processors represented by the processor 801 and various circuits of the memory represented by the memory 803 are linked together. . The bus architecture can also link various other circuits such as peripherals, voltage regulators, and power management circuits, which are well known in the art, so they are not described further herein. The bus interface provides an interface. The transceiver 802 may be multiple elements, including a transmitter and a receiver, providing a unit for communicating with various other devices over a transmission medium. For different user devices, the user interface 804 may also be an interface capable of externally connecting and connecting the required devices. The connected devices include, but are not limited to, a keypad, a display, a speaker, a microphone, a joystick, and the like. The processor 801 is responsible for managing the bus architecture and general processing, and the memory 803 may store data used by the processor 801 when performing operations.

In addition, the network device 800 also includes some functional modules that are not shown, and details are not described herein again.

Optionally, an embodiment of the present invention further provides a terminal device including a processor, a memory, and a computer program stored in the memory and executable on the processor. When the computer program is executed by the processor, the first embodiment is implemented. The process of determining the method can achieve the same technical effect. To avoid repetition, it will not be repeated here.

Optionally, an embodiment of the present invention further provides a network device, including a processor, a memory, and a computer program stored on the memory and executable on the processor. When the computer program is executed by the processor, the first embodiment is implemented. The process of determining the method can achieve the same technical effect. To avoid repetition, it will not be repeated here.

An embodiment of the present invention also provides a computer-readable storage medium. A computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, multiple processes that implement the determination method in the foregoing embodiment can be achieved, and can achieve the same Technical effects, in order to avoid repetition, will not repeat them here. Among them, a computer-readable storage medium, such as a read-only memory (ROM), a random access memory (RAM), a magnetic disk or an optical disk, and the like.

It should be noted that, in this article, the terms "including", "including" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, It also includes other elements not explicitly listed, or elements inherent to such a process, method, article, or device. Without more restrictions, an element limited by the sentence "including a ..." does not exclude that there are other identical elements in the process, method, article, or device that includes the element.

Through the description of the above embodiments, those skilled in the art can clearly understand that the methods in the above embodiments can be implemented by means of software plus a necessary universal hardware platform, and of course, also by hardware, but in many cases the former is better. Implementation. Based on such an understanding, the technical solution of the present invention, in essence, or a part that contributes to the prior art, can be embodied in the form of a software product, which is stored in a storage medium (such as ROM / RAM, magnetic disk, The optical disc) includes several instructions for causing a terminal device (which may be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) to execute the methods described in 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 specific implementations, and the above specific implementations are only schematic and not restrictive. Those of ordinary skill in the art at Under the enlightenment of the present invention, many forms can be made without departing from the scope of the present invention and the scope of protection of the claims, all of which fall into the protection of the present application.

Claims

A method for determining, which is applied to a terminal device, and the method includes:

If the terminal device detects the first downlink control information DCI, determining whether to send the second information to the network device on the first resource according to the first information;

Wherein, the first resource is a physical uplink control channel PUCCH resource or a physical uplink shared channel PUSCH resource corresponding to the physical downlink shared channel PDSCH scheduled by the first DCI; and the second information is part or all of the hybrid automatic retransmission. Pass the acknowledgement information ACK / denial information NACK corresponding to the HARQ process.
The method according to claim 1, wherein the first information is used to instruct the target to roll back DCI; wherein the first information is further used to instruct the terminal device to detect that the target rolls back DCI Sending the second information to the network device.
The method according to claim 2, wherein the first information is specifically used to indicate at least one of the following: information of a control resource set CORESET corresponding to a search space where the target rollback DCI is located, and the target rollback Information of the search space where the DCI is located, information of the starting control channel unit CCE carrying the physical downlink control channel PDCCH of the target fallback DCI, information of a time slot where the PDCCH carrying the target fallback DCI is located, and the target fallback Aggregation level information used by DCI.
The method according to claim 2 or 3, wherein the determining whether to send the second information to the network device on the first resource according to the first information comprises:

Determining whether the first DCI is the target fallback DCI according to the first information;

If the first DCI is the target fallback DCI, determining to send the second information to the network device on the first resource.
The method according to claim 1, characterized in that, when the terminal device detects the first downlink control information DCI, determining whether to send the first downlink control information to the network device on the first resource according to the first information. Before the second information, the method further includes:

Receiving the first information from the network device.
The method according to claim 1, wherein the first information is predefined.
A method for determining, which is applied to a network device, and the method includes:

Sending the first information to the terminal device;

Generating first downlink control information DCI;

Sending the first DCI to the terminal device;

The first DCI is used to instruct the terminal device to determine whether to send second information to the network device on a first resource according to the first information when the first DCI is monitored; the first The resource is a physical uplink control channel PUCCH resource or a physical uplink shared channel PUSCH resource corresponding to the physical downlink shared channel PDSCH scheduled by the first DCI; the second information is corresponding to part or all of the hybrid automatic repeat request HARQ process. Acknowledgement information ACK / Negative information NACK.
The method according to claim 7, wherein the first information is used to indicate that the target rolls back DCI, and the first information is further used to indicate that the terminal device detects a situation where the target rolls back DCI Sending the second information to the network device.
The method according to claim 8, wherein the first information is specifically used to indicate at least one of the following: information of a control resource set CORESET corresponding to a search space where the target fallback DCI is located, and the target fallback Information of the search space where the DCI is located, information of the start control channel unit CCE carrying the PDCCH of the target fallback DCI, information of the time slot where the PDCCH of the target fallback DCI is located, and aggregation used by the target fallback DCI Level information.
A terminal device, comprising:

A determining module, configured to determine whether to send the second information to the network device on the first resource according to the first information when the terminal device detects the first downlink control information DCI;

Wherein, the first resource is a physical uplink control channel PUCCH resource or a physical uplink shared channel PUSCH resource corresponding to the physical downlink shared channel PDSCH scheduled by the first DCI; and the second information is part or all of the hybrid automatic retransmission. Pass the acknowledgement information ACK / denial information NACK corresponding to the HARQ process.
The terminal device according to claim 10, wherein the first information is used to indicate a target fallback DCI; wherein the first information is further used to instruct the terminal device to detect the target fallback In the case of DCI, the second information is sent to the network device.
The terminal device according to claim 11, wherein the first information is specifically used to indicate at least one of the following: information of a control resource set CORESET corresponding to a search space where the target fallback DCI is located, and the target return Information of the search space where the DCI is backed off, information of the start control channel unit CCE carrying the PDCCH of the target backoff DCI, information of the time slot where the PDCCH of the target backoff DCI is located, and information used by the target backoff DCI Aggregation level information.
The terminal device according to claim 11 or 12, wherein the determining module is specifically configured to:

Determining whether the first DCI is the target fallback DCI according to the first information;

If the first DCI is the target fallback DCI, determining to send the second information to the network device on the first resource.
The terminal device according to claim 10, wherein the terminal device further comprises:

The receiving module is further configured to receive the first information from the network device.
The terminal device according to claim 10, wherein the first information is predefined.
A network device, comprising:

A sending module, configured to send the first information to the terminal device;

A generating module, configured to generate first downlink control information DCI;

A sending module, configured to send the first DCI generated by the generating module to the terminal device;

The first DCI is used to instruct the terminal device to determine whether to send second information to the network device on a first resource according to the first information when the first DCI is monitored; the first The resource is a physical uplink control channel PUCCH resource or a physical uplink shared channel PUSCH resource corresponding to the physical downlink shared channel PDSCH scheduled by the first DCI; the second information is corresponding to part or all of the hybrid automatic repeat request HARQ process. Acknowledgement information ACK / Negative information NACK.
The network device according to claim 16, wherein the first information is used to instruct the target to roll back DCI, and the first information is further used to instruct the terminal device to detect that the target rolls back DCI. Sending the second information to the network device in a case.
The network device according to claim 17, wherein the first information is specifically used to indicate at least one of the following: information of a control resource set CORESET corresponding to a search space where the target fallback DCI is located, and the target return Information of the search space where the DCI is backed off, information of the start control channel unit CCE carrying the PDCCH of the target backoff DCI, information of the time slot where the PDCCH of the target backoff DCI is located, and information used by the target backoff DCI Aggregation level information.
A terminal device, comprising a processor, a memory, and a computer program stored on the memory and executable on the processor. When the computer program is executed by the processor, the device is implemented as claimed in claim 1 Steps of the determination method according to any one of 6.
A network device, comprising a processor, a memory, and a computer program stored on the memory and operable on the processor. When the computer program is executed by the processor, the computer program according to claim 7 is implemented. Steps of the determination method according to any one of 9.
A computer-readable storage medium, characterized in that a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, the computer program implements any one of claims 1 to 6 or claims 7 to 9 The steps of the determination method described in any one of the above.