WO2020172803A1 - Wireless communication method, terminal device and network device - Google Patents

Abstract

An embodiment of the present application provides a wireless communication method, a terminal device and a network device, which can refine calibration range of a DCI size and improve the transmission efficiency of data and control channels. The wireless communication method comprises: the terminal device calibrates the DCI size according to first information, the first information is a calibration window and/or a DCI priority.

Description

Wireless communication method, terminal equipment and network equipment Technical field

The embodiments of the present application relate to the field of communication, and more specifically, to wireless communication methods, terminal devices, and network devices.

Background technique

The reception of the Physical Downlink Control Channel (PDCCH) adopts a blind detection method, that is, the terminal equipment in a predetermined area, the specific starting point set and the specific downlink control information (Downlink Control Information, DCI) size (size ) Perform traversal detection until the Cyclical Redundancy Check (CRC) check passes, then it is considered that there is a PDCCH sent to the terminal device, otherwise it is considered that there is no PDCCH to be received at the current moment. The blind detection process is only for a specific starting point set, a specific DCI size, and a specific aggregation level. Therefore, the DCI size needs to be calibrated. There is only one PDCCH monitoring area in a slot, and a DCI size calibration rule is for This is this PDCCH region. However, in the New Radio (NR) system, a flexible search space (Search space) configuration is introduced, that is, there may be multiple PDCCH monitoring areas in a slot, and each PDCCH monitoring area is independently detected. The foregoing use of a DCI size calibration rule for calibration limits the flexibility of DCI configuration and reduces system transmission efficiency.

Summary of the invention

The embodiments of the present application provide a wireless communication method, terminal equipment, and network equipment, which can refine the DCI size calibration range and improve the transmission efficiency of data and control channels.

In a first aspect, a wireless communication method is provided, which includes:

The terminal device calibrates the DCI size according to the first information, which is the calibration window and/or the priority of the DCI.

In a second aspect, a wireless communication method is provided, and the method includes:

The network device calibrates the DCI size according to the first information, and the first information is the calibration window and/or the priority of the DCI.

In a third aspect, a terminal device is provided, which is used to execute the method in the foregoing first aspect or each of its implementation manners.

Specifically, the terminal device includes a functional module for executing the method in the foregoing first aspect or each implementation manner thereof.

In a fourth aspect, a network device is provided, which is configured to execute the method in the second aspect or its implementation manners.

Specifically, the network device includes a functional module for executing the method in the foregoing second aspect or each implementation manner thereof.

In a fifth aspect, a terminal device is provided, including a processor and a memory. The memory is used to store a computer program, and the processor is used to call and run the computer program stored in the memory to execute the method in the above-mentioned first aspect or each of its implementation modes.

In a sixth aspect, a network device is provided, including a processor and a memory. The memory is used to store a computer program, and the processor is used to call and run the computer program stored in the memory to execute the method in the above-mentioned second aspect or each of its implementation modes.

In a seventh aspect, a chip is provided for implementing any one of the above-mentioned first aspect to the second aspect or the method in each implementation manner thereof.

Specifically, the chip includes: a processor, configured to call and run a computer program from the memory, so that the device installed with the chip executes any one of the above-mentioned first aspect to the second aspect or any of the implementations thereof method.

In an eighth aspect, a computer-readable storage medium is provided for storing a computer program that enables a computer to execute any one of the first aspect to the second aspect or the method in each implementation manner thereof.

In a ninth aspect, a computer program product is provided, including computer program instructions that cause a computer to execute any one of the above-mentioned first to second aspects or the method in each implementation manner thereof.

In a tenth aspect, a computer program is provided, which when running on a computer, causes the computer to execute any one of the above-mentioned first aspect to the second aspect or the method in each implementation manner thereof.

Through the above technical solution, the DCI size can be calibrated based on the calibration window and/or the priority of the DCI, the DCI size calibration range is refined, and diversified DCI formats are supported at the same time, which improves the transmission efficiency of data and control channels.

Description of the drawings

Fig. 1 is a schematic diagram of a communication system architecture provided by an embodiment of the present application.

Fig. 2 is a schematic flowchart of a wireless communication method according to an embodiment of the present application.

Fig. 3 is a schematic diagram of a kind of first information provided according to an embodiment of the present application.

Fig. 4 is a schematic diagram of another type of first information provided according to an embodiment of the present application.

Fig. 5 is a schematic block diagram of a terminal device according to an embodiment of the present application.

Fig. 6 is a schematic block diagram of a network device according to an embodiment of the present application.

Fig. 7 is a schematic block diagram of a communication device according to an embodiment of the present application.

Fig. 8 is a schematic block diagram of a chip provided according to an embodiment of the present application.

Fig. 9 is a schematic block diagram of a communication system according to an embodiment of the present application.

detailed description

The technical solutions in the embodiments of the present application will be described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are a part of the embodiments of the present application, not all of the embodiments. Regarding the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of this application.

The embodiments of this application can be applied to various communication systems, such as: Global System of Mobile Communication (GSM) system, Code Division Multiple Access (CDMA) system, Wideband Code Division Multiple Access (Wideband Code) Division Multiple Access (WCDMA) system, General Packet Radio Service (GPRS), Long Term Evolution (LTE) system, Advanced Long Term Evolution (LTE-A) system, New Wireless (New Radio, NR) system, evolution system of NR system, LTE (LTE-based access to unlicensed spectrum, LTE-U) system on unlicensed spectrum, NR (NR-based access to unlicensed spectrum, on unlicensed spectrum, NR-U) system, Universal Mobile Telecommunication System (UMTS), Wireless Local Area Networks (WLAN), Wireless Fidelity (WiFi), next-generation communication systems or other communication systems, etc.

Generally speaking, traditional communication systems support a limited number of connections and are easy to implement. However, with the development of communication technology, mobile communication systems will not only support traditional communication, but also support, for example, Device to Device (Device to Device, D2D) communication, machine to machine (Machine to Machine, M2M) communication, machine type communication (MTC), and vehicle to vehicle (V2V) communication, etc. The embodiments of this application can also be applied to these communications system.

Optionally, the communication system in the embodiments of the present application can be applied to a carrier aggregation (Carrier Aggregation, CA) scenario, can also be applied to a dual connectivity (DC) scenario, and can also be applied to a standalone (SA) deployment. Network scene.

The embodiment of this application does not limit the applied spectrum. For example, the embodiments of this application can be applied to licensed spectrum or unlicensed spectrum.

Exemplarily, the communication system 100 applied in the embodiment of the present application is shown in FIG. 1. The communication system 100 may include a network device 110, and the network device 110 may be a device that communicates with a terminal device 120 (or called a communication terminal or terminal). The network device 110 can provide communication coverage for a specific geographic area, and can communicate with terminal devices located in the coverage area.

Figure 1 exemplarily shows one network device and two terminal devices. Optionally, the communication system 100 may include multiple network devices and the coverage of each network device may include other numbers of terminal devices. The embodiment does not limit this.

Optionally, the communication system 100 may also include other network entities such as a network controller and a mobility management entity, which are not limited in the embodiment of the present application.

It should be understood that the devices with communication functions in the network/system in the embodiments of the present application may be referred to as communication devices. Taking the communication system 100 shown in FIG. 1 as an example, the communication device may include a network device 110 and a terminal device 120 with communication functions, and the network device 110 and the terminal device 120 may be the specific devices described above, which will not be repeated here. The communication device may also include other devices in the communication system 100, such as other network entities such as a network controller and a mobility management entity, which are not limited in this embodiment of the application.

The embodiments of this application describe various embodiments in conjunction with terminal equipment and network equipment. Among them, terminal equipment may also be called User Equipment (UE), access terminal, subscriber unit, user station, mobile station, mobile station, and remote Station, remote terminal, mobile device, user terminal, terminal, wireless communication device, user agent or user device, etc. The terminal equipment can be a station (STAION, ST) in a WLAN, a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a wireless local loop (Wireless Local Loop, WLL) station, and a personal digital processing (Personal Digital Assistant, PDA) devices, handheld devices with wireless communication functions, computing devices or other processing devices connected to wireless modems, vehicle-mounted devices, wearable devices, and next-generation communication systems, such as terminal devices in the NR network or Terminal equipment in the future evolved Public Land Mobile Network (PLMN) network.

As an example and not a limitation, in the embodiment of the present application, the terminal device may also be a wearable device. Wearable devices can also be called wearable smart devices. It is a general term for the application of wearable technology to intelligently design daily wear and develop wearable devices, such as glasses, gloves, watches, clothing and shoes. A wearable device is a portable device that is directly worn on the body or integrated into the user's clothes or accessories. Wearable devices are not only a hardware device, but also realize powerful functions through software support, data interaction, and cloud interaction. In a broad sense, wearable smart devices include full-featured, large-sized, complete or partial functions that can be achieved without relying on smart phones, such as smart watches or smart glasses, and only focus on a certain type of application function, and need to cooperate with other devices such as smart phones. Use, such as various smart bracelets and smart jewelry for physical sign monitoring.

A network device can be a device used to communicate with a mobile device. The network device can be an access point (AP) in WLAN, a base station (BTS) in GSM or CDMA, or a device in WCDMA A base station (NodeB, NB), can also be an Evolutional Node B (eNB or eNodeB) in LTE, or a relay station or access point, or a vehicle-mounted device, a wearable device, and a network device (gNB) in the NR network Or network equipment in the future evolution of the PLMN network.

In the embodiment of the present application, the network equipment provides services for the cell, and the terminal equipment communicates with the network equipment through the transmission resources (for example, frequency domain resources, or spectrum resources) used by the cell. The cell may be a network equipment (for example, The cell corresponding to the base station. The cell can belong to a macro base station or a base station corresponding to a small cell. The small cell here can include: Metro cell, Micro cell, Pico Cells, Femto cells, etc. These small cells have the characteristics of small coverage and low transmit power, and are suitable for providing high-rate data transmission services.

The 5G NR system introduces the ultra-reliable low latency communication (URLLC) service, which is characterized by achieving ultra-high reliability (for example, 99.999%) within an extreme delay (for example, 1ms) Transmission. In order to achieve this goal, it is necessary to use a shorter transmission time unit (Transmission Timing Interval, TTI) for data transmission, which also means that downlink control signaling needs to be transmitted more frequently.

The PDCCH is received by blind detection, that is, the terminal device performs traversal detection on a specific starting point set and a specific DCI size in a predetermined area. Until the CRC check passes, it is considered that there is a PDCCH sent to the terminal device. Otherwise, it is considered that there is no PDCCH to be received at the current moment.

The blind detection process only targets a specific starting point set (for example, Search Space), a specific DCI size, and a specific aggregation level (Aggregation level), in order to control the number of blind detections, reduce the complexity of terminal implementation, and increase the detection speed.

Calibrating the DCI size is achieved through the process of DCI size calibration (alignment). That is, when a network device is configured with multiple types of DCI (mainly refers to multiple DCI sizes), it is necessary to maintain the same DCI size of different types through padding and/or truncation at the end, and then control each The total DCI size type of the cell does not exceed 4. For the DCI size type scrambled by the Cell Radio Network Temporary Identity (C-RNTI), each cell controls no more than 3.

The advantage of the aforementioned DCI size calibration is to limit the number of PDCCH monitoring, reduce the complexity of PDCCH detection, and increase the detection speed. However, the flexibility of scheduling or the efficiency of DCI transmission will be lost. For example, in order to achieve the same size of multiple types of DCI formats, the fields in the DCI must be deleted, for example, multiple input multiple output (MIMO) related parameters are compressed, and the maximum gain of MIMO cannot be obtained. For another example, in order to achieve the same size of multiple types of DCI, the field in DCI may also be increased unnecessarily. For example, there is no need to support high-order MIMO transmission for small data transmission, but in order to keep the DCI size the same, the information field is increased. , Thereby increasing the overhead of PDCCH transmission.

NR has introduced a variety of service types, such as URLLC, Enhance Mobile Broadband (eMBB), and massive machine type of communication (mMTC). There are also obvious differences in the scheduling requirements of various business types. For example, URLLC needs to be scheduled frequently, and the reliability of PDCCH transmission is high. eMBB has relatively moderate requirements for scheduling delay and PDCCH transmission reliability, but for large data scheduling, data transmission efficiency has a greater impact on the system. For example, high-order MIMO can greatly improve system transmission efficiency. For mMTC, the scheduling delay, reliability and data transmission efficiency are not high, but the number of users is large. Therefore, simply controlling the DCI size cannot meet flexible system requirements.

It should be understood that in an LTE system, typically, there is only one PDCCH area in a slot, that is, the first 1/2/3 symbols in the slot. Moreover, the schedulable period of all services is 1 slot, so it is reasonable to determine a DCI size alignment rule. In the NR system, a flexible search space configuration is introduced, that is, there may be multiple PDCCH monitoring areas in a slot, and each PDCCH monitoring area is detected independently. In terms of the complexity of blind detection, it is not necessary to calibrate the DCI size of all PDCCH monitoring areas, and it limits the flexibility of DCI configuration and reduces system transmission efficiency.

Based on the foregoing problems, an embodiment of the present application proposes a DCI size calibration solution based on the calibration window and/or the priority of the DCI, which can refine the DCI size calibration range and improve the transmission efficiency of data and control channels.

FIG. 2 is a schematic flowchart of a wireless communication method 200 according to an embodiment of the present application. As shown in FIG. 2, the method 200 may include the following content:

S210: The network device calibrates the DCI size according to the first information, and the first information is the calibration window and/or the priority of the DCI.

S220: The terminal device calibrates the DCI size according to the first information, where the first information is the calibration window and/or the priority of the DCI.

It should be noted that the above-mentioned steps S210 and S220 are executed by the network device and the terminal device respectively, and there is no priority for them.

Optionally, before step S210 or S220, the terminal device sends first indication information to the network device, where the first indication information is used to indicate the PDCCH receiving mode of the terminal device.

For example, the PDCCH receiving manner of the terminal device includes: whether the terminal device supports joint reception of multiple search spaces, and/or the number of maximum DCI sizes supported by the terminal device.

Optionally, in this embodiment of the present application, after the terminal device calibrates the DCI size according to the first information, the terminal device detects the PDCCH according to the DCI size after calibration.

Optionally, in this embodiment of the present application, the calibration window may be a search space, a time window, or a calibration window configured by a network device.

Optionally, in this embodiment of the present application, if the first information is a calibration window, or the first information is a priority of the calibration window and DCI, and the calibration window is a search space, the terminal device determines the first search The DCI format in the space; and, according to the number of target DCI sizes, performing DCI size calibration on the DCI format in the first search space.

Optionally, the terminal device may determine the DCI format in the first search space based on the configuration of the network device. For example, the terminal device receives first configuration information sent by the network device, where the first configuration information includes a DCI format in each search space in at least one search space, and the first search space belongs to the at least one search space. Further, the terminal device determines the DCI format in the first search space according to the first configuration information.

For example, the first configuration information is PDCCH configuration information.

Specifically, if the number of DCI sizes of the DCI format in the first search space is greater than the number of the target DCI size, the terminal device fills in or deletes some of the DCI formats in the first search space to make the first search space The number of DCI sizes of the DCI format in a search space is less than or equal to the number of target DCI sizes; or

If the number of DCI sizes of the DCI format in the first search space is less than or equal to the number of target DCI sizes, the terminal device ignores performing DCI size calibration on the DCI format in the first search space.

Optionally, the first search space is a user-specific search space (UE-specific search space) or m search spaces with overlapping regions in the time domain, and m is an integer greater than 1.

It should be noted that when the first search space is m search spaces with overlapping regions in the time domain, joint detection may be performed.

Optionally, in this embodiment of the present application, the number of target DCI sizes is pre-configured (protocol agreement) or configured for network equipment. For example, the number of DCI size agreed in the agreement is 4.

For another example, the network device sends third configuration information to the terminal device, where the third configuration information is used to indicate the quantity of the target DCI size.

Optionally, as the first embodiment, each search space independently determines the DCI format set and the DCI size, and the terminal device performs DCI size calibration on the DCI format in the search space according to the number of target DCI sizes.

Specifically, as shown in Figure 3, assuming that the number of target DCI sizes is 4, the terminal device receives PDCCH configuration information, including at least: DCI format detected in each search space, and DCI format 0_0/0_1/1_0 is configured in search space 1. /1_1/2_0/2_1, DCI format 2_0/2_1 is configured in search space 2. The terminal device performs DCI size calibration based on the search space, that is, each search space performs DCI size calibration independently. As shown in Figure 3, search space 1 contains 6 types of DCI formats, and the sizes of DCI formats 0_0/0_1/1_0/1_1/2_0/2_1 are 30, 35, 40, 45, 20, and 21, respectively. In order to control the number of DCI sizes not to exceed 4, fill in the DCI format2_0/2_1 with zeros so that the DCI size becomes 30, 35. In this way, the sizes corresponding to DCI format 0_0/0_1/1_0/1_1/2_0/2_1 are 30, 35, 40, 45, 30, 35, respectively. Search space 2 contains two types of DCI formats, and their DCI sizes are 20 and 21 respectively. Since the number of DCI sizes does not exceed the upper limit of the number of DCI sizes 4, there is no need to calibrate the DCI size. The DCI size of the DCI format 2_0/2_1 in the search space 2 is 20 and 21.

Based on the first embodiment, the enhanced DCI size calibration scheme enables the same DCI format, such as DCI format 2_0/2_1, DCI size=30,35 in search space 1, and DCI size=20,21 in search space 2. This does not increase the complexity of blind PDCCH detection, that is, the DCI Size in each PDCCH blind detection area is less than or equal to 4, which also allows different search spaces to be optimized independently, that is, the DCI size in search space 2 does not need to be filled with zeros, and the transmission efficiency is optimal .

Of course, in the first embodiment above, DCI format1_0/1_1 can also be deleted, so that the DCI size of DCI format1_0/1_1 becomes 30, 35, so in search space 1, DCI format 0_0/0_1/1_0/1_1/ The sizes corresponding to 2_0/2_1 are 30, 35, 30, 35, 20, and 21 respectively.

Optionally, in the embodiment of the present application, if the first information is a calibration window, or the first information is a priority of the calibration window and DCI, and the calibration window is a time window, the terminal device determines the time window And according to the number of target DCI sizes, perform DCI size calibration on the DCI format in the time window.

Optionally, the time window is pre-configured or configured for the network device.

Optionally, the time window is one of the following:

The length of the time domain of mini-slot, n consecutive symbols, time slot, half time slot, and maximum search space, n is a positive integer.

Specifically, if the number of DCI sizes of the DCI format in the time window is greater than the number of the target DCI size, the terminal device fills in or deletes some of the DCI formats in the time window, so that the DCI in the time window The number of DCI sizes of the format is less than or equal to the number of target DCI sizes; or

If the number of DCI sizes of the DCI format in the time window is less than or equal to the number of the target DCI size, the terminal device ignores the DCI size calibration of the DCI format in the time window.

Optionally, as the second embodiment, each time window independently determines the DCI format set and the DCI size, and the terminal device performs DCI size calibration on the DCI format in the time window according to the number of target DCI sizes.

Specifically, as shown in FIG. 4, assuming that the number of target DCI sizes is 4, the terminal device receiving PDCCH configuration information includes at least: the DCI format detected in each search space and the period of each search space. As shown in Figure 4, DCI format 0_0/0_1/1_0/1_1/2_0/2_1 is configured in search space 1, and DCI format 2_0/2_1 is configured in search space 2. The terminal device performs DCI size calibration based on the time window, that is, each search space independently performs DCI size calibration. As shown in Figure 4, time window A contains 6 DCI formats, and their DCI sizes are 30, 35, 40, 45, 20, and 21, respectively. In order to control the number of DCI sizes not to exceed 4, fill in the DCI format 2_0/2_1 with zeros so that the DCI size becomes 30, 35. Thus, the size corresponding to DCI format 0_0/0_1/1_0/1_1/2_0/2_1 is 30, 35, 40, 45, 30, 35. Time window B contains two DCI formats, and their DCI sizes are 20 and 21 respectively. Since the number of DCI sizes does not exceed the upper limit of 4, there is no need to calibrate the DCI size. The DCI size of the DCI format2_0/2_1 in the time window B is 20 and 21. By analogy, DCI size calibration is performed on the DCI format in the time window C to the time window E.

Based on the second embodiment above, the enhanced DCI size calibration scheme enables the same DCI format, such as DCI format 2_0/2_1, DCI size=30,35 in time window A, and DCI size=20,21 in time window B. This does not increase the PDCCH blind detection complexity, that is, the DCI Size in each PDCCH blind detection area is less than or equal to 4, which also allows different time windows to be optimized independently, that is, the DCI size in the second time window does not need to be filled with zeros, and the transmission efficiency is the most excellent. In addition, compared with the first embodiment, there is another advantage, that is, within a certain time window, the possible DCI size remains the same, the terminal PDCCH detection method (for example, the assumption of the DCI size) does not need to be changed, which reduces the complexity of terminal device detection degree.

Of course, in the second embodiment above, DCI format1_0/1_1 can also be deleted, so that the DCI size of DCI format1_0/1_1 becomes 30, 35, so in time window A, DCI format 0_0/0_1/1_0/1_1/ The sizes corresponding to 2_0/2_1 are 30, 35, 30, 35, 20, and 21 respectively.

Optionally, in the embodiment of the present application, if the first information is a calibration window, or the first information is a priority of the calibration window and DCI, and the calibration window is configured for a network device, the terminal device determines The DCI format in the calibration window; and according to the number of target DCI sizes, the DCI size calibration is performed on the DCI format in the calibration window.

Optionally, the network device may configure the calibration window through radio resource control (Radio Resource Control, RRC) signaling, or high-level signaling, or semi-static signaling.

Optionally, the calibration window is at least one of the following:

Mini slot, minimum search space period, search space, search space set including at least one search space, control resource set, control resource set set including at least one control resource set, PDCCH time-frequency resource, including at least one PDCCH time-frequency The PDCCH time-frequency resource collection of the resource.

For example, mini-slot is a calibration window. Or, the minimum search space period is a calibration window.

For example, each search space is a calibration window, or each search space collection is a calibration window. Specifically, a search space collection may include N search spaces, which are configured by the network side.

For another example, each Control Resource Set (CORESET) is a calibration window, or each CORESET set is a calibration window. Specifically, a CORESET set may include N CORESETs, which are configured by the network side.

For another example, each PDCCH time-frequency resource is a calibration window, or each PDCCH time-frequency resource set is a calibration window. Specifically, a PDCCH time-frequency resource set may include N PDCCH time-frequency resources, which are configured by the network side. The PDCCH time-frequency resources are configured by the network side, for example, the first PDCCH time-frequency resources are the first PRB in the frequency domain to the tenth PRB in the frequency domain, and the time domain is the first symbol to the third symbol of each slot. The second PDCCH time-frequency resource is from the first PRB to the twentieth PRB in the frequency domain, the time domain is the 2Kth symbol, and K is a non-negative integer.

Specifically, if the number of DCI sizes in the DCI format in the calibration window is greater than the number of the target DCI size, the terminal device fills in or deletes some of the DCI formats in the calibration window, so that the DCI in the calibration window The number of DCI sizes of the format is less than or equal to the number of target DCI sizes; or

If the number of DCI sizes of the DCI format in the calibration window is less than or equal to the number of target DCI sizes, the terminal device ignores the DCI size calibration of the DCI format in the calibration window.

Optionally, in this embodiment of the present application, if the first information is the priority of DCI, or the first information is the priority of the calibration window and the DCI, the terminal device determines the DCI format in the first window;

If the number of DCI sizes in the DCI format in the first window is greater than the number of target DCI sizes, the terminal device calibrates the DCI formats in the calibration window from low to high according to the priority order of the DCI format, so that the second The number of DCI sizes of the DCI format in a window is less than or equal to the number of the target DCI size, wherein the DCI format with low priority uses the DCI format with high priority as the calibration standard; or

If the number of DCI sizes of the DCI format in the first window is less than or equal to the number of target DCI sizes, the terminal device ignores performing DCI size calibration on the DCI format in the first window.

Optionally, the first window is the calibration window.

It should be noted that the first window may also have no time-frequency restriction, that is, include all DCI formats.

Optionally, the priority order of the DCI format is configured by the network device. For example, the network device sends second configuration information to the terminal device, where the second configuration information is used to indicate the priority order of the DCI format.

The DCI size calibration priority is configured by the network device, and the network device can flexibly adjust the DCI size calibration priority according to actual requirements (the balance between scheduling flexibility and PDCCH overhead).

For example, assuming that the number of target DCI sizes is 4, there are three DCI formats in the first window, including DCI format 0_x/1_x/2_x, and the priority is DCI 0_x>DCI 2_x>DCI 1_x. The DCI format with a higher priority is the calibration standard for the DCI format with a lower priority. The calibration process goes from low to high until the number of DCI size requirements is met. For example, if the number of DCI sizes is required to be 4, the terminal device first calibrates DCI format 1_0/1_1 to the same size as DCI format 2_0/2_1. At this time, there are 4 types of DCI size DCI format 0_0/0_1/2_0/ 2_1, the calibration is over.

Optionally, the DCI format in the first window includes at least DCI format 0_0, DCI format 0_1, and the first DCI format, the first DCI format has the largest DCI size, and the DCI format 0_0, the DCI format 0_1 and the first DCI format The priority of a DCI format is greater than other DCI formats in the first window, and the terminal device divides the DCI format 0_0, the DCI format 0_1, and the DCI format of the first DCI format in the first window according to the DCI format of the DCI format. The priority sequence is to perform DCI size calibration from low to high, so that the number of DCI sizes in the DCI format in the first window is less than or equal to the number of target DCI sizes.

For example, assuming that the number of target DCI sizes is 4, there are 6 DCI formats in the first window, that is, DCI format 0_0/0_1/1_0/1_1/2_0/2_1. The DCI sizes are 30, 35, 40, 45, 20, and 21 respectively. In order to control the number of DCI sizes not to exceed 4, fill the DCI format2_0/2_1 with zeros to the nearest DCI format0_0/0_1, so that the DCI size becomes 30, 35. Thus, the size corresponding to DCI format 0_0/0_1/1_0/1_1/2_0/2_1 is 30, 35, 40, 45, 30, 35. DCI 0_0/0_1 remains unchanged, facilitating joint detection of user-specific search space and public search space area.

It should be noted that in the common search space area, the DCI format of DCI format 0_0/0_1 cannot be changed. DCI format with max size remains unchanged, which maximizes scheduling flexibility and avoids lack of scheduling flexibility.

Therefore, in the embodiments of the present application, the DCI size can be calibrated based on the calibration window and/or the priority of the DCI, and the DCI size calibration range can be refined to avoid the increase in the complexity of blind PDCCH detection, and it can also support diversified DCI formats. Improve the transmission efficiency of data and control channels.

FIG. 5 shows a schematic block diagram of a terminal device 300 according to an embodiment of the present application. As shown in FIG. 5, the terminal device 300 includes:

The processing unit 310 is configured to calibrate the DCI size according to the first information, the first information being the calibration window and/or the priority of the DCI.

Optionally, if the first information is at least a calibration window, and the calibration window is a search space,

The processing unit 310 is specifically used for:

Determine the DCI format in the first search space;

According to the number of target DCI sizes, the DCI size calibration is performed on the DCI format in the first search space.

Optionally, the terminal device 300 further includes:

The communication unit 320 is configured to receive first configuration information, where the first configuration information includes a DCI format in each search space in at least one search space, and the first search space belongs to the at least one search space;

The processing unit 310 is specifically used for:

According to the first configuration information, the DCI format in the first search space is determined.

Optionally, the processing unit 310 is specifically configured to:

If the number of DCI sizes in the DCI format in the first search space is greater than the number of target DCI sizes, fill in or delete some of the DCI formats in the first search space to make the DCI in the first search space The number of DCI sizes of the format is less than or equal to the number of target DCI sizes; or

If the number of DCI sizes of the DCI format in the first search space is less than or equal to the number of target DCI sizes, the DCI size calibration of the DCI format in the first search space is ignored.

Optionally, the first search space is a user-specific search space or m search spaces with overlapping regions in the time domain, and m is an integer greater than 1.

Optionally, if the first information is at least a calibration window, and the calibration window is a time window,

The processing unit 310 is specifically used for:

Determine the DCI format within the time window;

According to the number of target DCI sizes, the DCI size calibration is performed on the DCI format in the time window.

Optionally, the time window is pre-configured or configured for the network device.

Optionally, the time window is one of the following:

Time domain length of mini-slot, n consecutive symbols, slot, half-slot, and maximum search space, n is a positive integer.

Optionally, the processing unit 310 is specifically configured to:

If the number of DCI sizes in the DCI format in the time window is greater than the number of the target DCI size, fill in or delete some of the DCI formats in the time window to make the number of DCI sizes in the DCI format in the time window A quantity less than or equal to the target DCI size; or

If the number of DCI sizes of the DCI format in the time window is less than or equal to the number of the target DCI size, the DCI size calibration for the DCI format in the time window is ignored.

Optionally, if the first information is at least a calibration window, and the calibration window is configured by a network device,

The processing unit 310 is specifically used for:

Determine the DCI format in the calibration window;

According to the number of target DCI sizes, the DCI size calibration is performed on the DCI format in the calibration window.

Optionally, the calibration window is at least one of the following:

Mini slot, minimum search space period, search space, search space set including at least one search space, control resource set, control resource set set including at least one control resource set, physical downlink control channel PDCCH time-frequency resources, including at least A PDCCH time-frequency resource collection of PDCCH time-frequency resources.

Optionally, the processing unit 310 is specifically configured to:

If the number of DCI sizes in the DCI format in the calibration window is greater than the number of the target DCI size, fill in or delete some of the DCI formats in the calibration window to make the number of DCI sizes in the DCI format in the calibration window A quantity less than or equal to the target DCI size; or

If the number of DCI sizes of the DCI format in the calibration window is less than or equal to the number of target DCI sizes, the DCI size calibration of the DCI format in the calibration window is ignored.

Optionally, if the first information is at least the priority of DCI,

The processing unit 310 is specifically used for:

Determine the DCI format in the first window;

If the number of DCI sizes in the DCI format in the first window is greater than the number of target DCI sizes, the DCI formats in the calibration window are calibrated from low to high according to the priority order of the DCI format, so that the DCI formats in the first window The number of DCI sizes of the DCI format is less than or equal to the number of the target DCI size, wherein the DCI format with low priority uses the DCI format with high priority as the calibration standard; or

If the number of DCI sizes of the DCI format in the first window is less than or equal to the number of target DCI sizes, the DCI size calibration of the DCI format in the first window is ignored.

Optionally, the DCI format in the first window includes at least DCI format 0_0, DCI format 0_1, and the first DCI format, the first DCI format has the largest DCI size, and the DCI format 0_0, the DCI format 0_1 and the first DCI format The priority of a DCI format is greater than other DCI formats in the first window;

The processing unit 310 is specifically used for:

Divide the DCI format 0_0, the DCI format 0_1, and the DCI format of the first DCI format in the first window to perform DCI size calibration from low to high in the order of priority of the DCI format, so that the data in the first window The number of DCI sizes in the DCI format is less than or equal to the number of target DCI sizes.

Optionally, the first window is the calibration window.

Optionally, the priority order of the DCI format is configured by the network device.

Optionally, the number of the target DCI size is pre-configured or configured for the network device.

Optionally, the terminal device 300 further includes:

The communication unit 320 is configured to send first indication information, where the first indication information is used to indicate the PDCCH receiving mode of the terminal device.

Optionally, the PDCCH receiving manner of the terminal device includes: whether the terminal device supports joint reception of multiple search spaces, and/or the number of maximum DCI sizes supported by the terminal device.

Optionally, the processing unit 310 is further configured to detect the PDCCH according to the DCI size after calibration.

It should be understood that the terminal device 300 according to the embodiment of the present application may correspond to the terminal device in the method embodiment of the present application, and the above-mentioned and other operations and/or functions of each unit in the terminal device 300 are to implement the method shown in FIG. 2 respectively. For the sake of brevity, the corresponding process of the terminal equipment in 200 will not be repeated here.

Fig. 6 shows a schematic block diagram of a network device 400 according to an embodiment of the present application. As shown in FIG. 6, the network device 400 includes:

The processing unit 410 is configured to calibrate the DCI size according to the first information, and the first information is the calibration window and/or the priority of the DCI.

Optionally, if the first information is at least a calibration window, and the calibration window is a search space,

The processing unit 410 is specifically configured to perform DCI size calibration on the DCI format in the first search space according to the number of target DCI sizes.

Optionally, the network device 400 further includes:

The communication unit 420 is configured to send first configuration information, where the first configuration information includes a DCI format in each search space in at least one search space, and the first search space belongs to the at least one search space.

Optionally, the first search space is a user-specific search space or m search spaces with overlapping regions in the time domain, and m is an integer greater than 1.

Optionally, if the first information is at least a calibration window, and the calibration window is a time window,

The processing unit 410 is specifically configured to perform DCI size calibration on the DCI format in the time window according to the number of target DCI sizes.

Optionally, the time window is one of the following:

Time domain length of mini-slot, n consecutive symbols, slot, half-slot, and maximum search space, n is a positive integer.

Optionally, if the first information is at least a calibration window,

The processing unit 410 is specifically configured to perform DCI size calibration on the DCI format in the calibration window according to the number of target DCI sizes.

Optionally, the calibration window is at least one of the following:

Mini slot, minimum search space period, search space, search space set including at least one search space, control resource set, control resource set set including at least one control resource set, PDCCH time-frequency resource, including at least one PDCCH time-frequency The PDCCH time-frequency resource collection of the resource.

Optionally, if the first information is at least the priority of DCI,

The processing unit 410 is specifically configured to perform DCI size calibration on the DCI format in the first window according to the number of target DCI sizes and the priority order of the DCI format.

Optionally, the first window is the calibration window.

Optionally, the communication unit 420 is further configured to send second configuration information, where the second configuration information is used to indicate the priority order of the DCI format.

Optionally, the communication unit 420 is further configured to receive first indication information, where the first indication information is used to indicate the PDCCH receiving mode of the peer device.

Optionally, the PDCCH receiving manner of the peer device includes: whether the peer device supports joint reception of multiple search spaces, and/or the number of maximum DCI sizes supported by the peer device.

Optionally, the communication unit 420 is further configured to send third configuration information, where the third configuration information is used to indicate the quantity of the target DCI size.

It should be understood that the network device 400 according to the embodiment of the present application may correspond to the network device in the method embodiment of the present application, and the above-mentioned and other operations and/or functions of each unit in the network device 400 are to implement the method shown in FIG. 2 respectively. For the sake of brevity, the corresponding process of the network equipment in 200 will not be repeated here.

FIG. 7 is a schematic structural diagram of a communication device 500 provided by an embodiment of the present application. The communication device 500 shown in FIG. 7 includes a processor 510, and the processor 510 can call and run a computer program from the memory to implement the method in the embodiment of the present application.

Optionally, as shown in FIG. 7, the communication device 500 may further include a memory 520. The processor 510 may call and run a computer program from the memory 520 to implement the method in the embodiment of the present application.

The memory 520 may be a separate device independent of the processor 510, or may be integrated in the processor 510.

Optionally, as shown in FIG. 7, the communication device 500 may further include a transceiver 530, and the processor 510 may control the transceiver 530 to communicate with other devices. Specifically, it may send information or data to other devices, or receive other devices. Information or data sent by the device.

Among them, the transceiver 530 may include a transmitter and a receiver. The transceiver 530 may further include an antenna, and the number of antennas may be one or more.

Optionally, the communication device 500 may specifically be a network device in an embodiment of the present application, and the communication device 500 may implement the corresponding process implemented by the network device in each method of the embodiment of the present application. For brevity, details are not repeated here. .

Optionally, the communication device 500 may specifically be a mobile terminal/terminal device of an embodiment of the present application, and the communication device 500 may implement the corresponding process implemented by the mobile terminal/terminal device in each method of the embodiment of the present application. For simplicity , I won’t repeat it here.

FIG. 8 is a schematic structural diagram of a chip of an embodiment of the present application. The chip 600 shown in FIG. 8 includes a processor 610, and the processor 610 can call and run a computer program from the memory to implement the method in the embodiment of the present application.

Optionally, as shown in FIG. 8, the chip 600 may further include a memory 620. The processor 610 may call and run a computer program from the memory 620 to implement the method in the embodiment of the present application.

The memory 620 may be a separate device independent of the processor 610, or may be integrated in the processor 610.

Optionally, the chip 600 may further include an input interface 630. The processor 610 can control the input interface 630 to communicate with other devices or chips, and specifically, can obtain information or data sent by other devices or chips.

Optionally, the chip 600 may further include an output interface 640. The processor 610 can control the output interface 640 to communicate with other devices or chips, and specifically, can output information or data to other devices or chips.

Optionally, the chip can be applied to the network device in the embodiment of the present application, and the chip can implement the corresponding process implemented by the network device in the various methods of the embodiment of the present application. For brevity, details are not described herein again.

Optionally, the chip can be applied to the mobile terminal/terminal device in the embodiment of the present application, and the chip can implement the corresponding process implemented by the mobile terminal/terminal device in each method of the embodiment of the present application. For brevity, here is No longer.

It should be understood that the chip mentioned in the embodiment of the present application may also be referred to as a system-level chip, a system-on-chip, a system-on-chip, or a system-on-chip.

FIG. 9 is a schematic block diagram of a communication system 700 according to an embodiment of the present application. As shown in FIG. 9, the communication system 700 includes a terminal device 710 and a network device 720.

Wherein, the terminal device 710 can be used to implement the corresponding function implemented by the terminal device in the above method, and the network device 720 can be used to implement the corresponding function implemented by the network device in the above method. For brevity, it will not be repeated here. .

It should be understood that the processor of the embodiment of the present application may be an integrated circuit chip with signal processing capability. In the implementation process, the steps of the foregoing method embodiments can be completed by hardware integrated logic circuits in the processor or instructions in the form of software. The aforementioned processor may be a general-purpose processor, a digital signal processor (Digital Signal Processor, DSP), an application specific integrated circuit (ASIC), a ready-made programmable gate array (Field Programmable Gate Array, FPGA) or other Programming logic devices, discrete gates or transistor logic devices, discrete hardware components. The methods, steps, and logical block diagrams disclosed in the embodiments of the present application can be implemented or executed. The general-purpose processor may be a microprocessor or the processor may also be any conventional processor or the like. The steps of the method disclosed in the embodiments of the present application may be directly embodied as being executed and completed by a hardware decoding processor, or executed and completed by a combination of hardware and software modules in the decoding processor. The software module can be located in a mature storage medium in the field such as random access memory, flash memory, read-only memory, programmable read-only memory, or electrically erasable programmable memory, registers. The storage medium is located in the memory, and the processor reads the information in the memory and completes the steps of the above method in combination with its hardware.

It can be understood that the memory in the embodiment of the present application may be a volatile memory or a non-volatile memory, or may include both volatile and non-volatile memory. Among them, the non-volatile memory can be read-only memory (Read-Only Memory, ROM), programmable read-only memory (Programmable ROM, PROM), erasable programmable read-only memory (Erasable PROM, EPROM), and electrically available Erase programmable read-only memory (Electrically EPROM, EEPROM) or flash memory. The volatile memory may be a random access memory (Random Access Memory, RAM), which is used as an external cache. By way of exemplary but not restrictive description, many forms of RAM are available, such as static random access memory (Static RAM, SRAM), dynamic random access memory (Dynamic RAM, DRAM), synchronous dynamic random access memory (Synchronous DRAM, SDRAM), double data rate synchronous dynamic random access memory (Double Data Rate SDRAM, DDR SDRAM), enhanced synchronous dynamic random access memory (Enhanced SDRAM, ESDRAM), synchronous connection dynamic random access memory (Synchlink DRAM, SLDRAM) ) And Direct Rambus RAM (DR RAM). It should be noted that the memories of the systems and methods described herein are intended to include, but are not limited to, these and any other suitable types of memories.

It should be understood that the foregoing memory is exemplary but not restrictive. For example, the memory in the embodiment of the present application may also be static random access memory (static RAM, SRAM), dynamic random access memory (dynamic RAM, DRAM), Synchronous dynamic random access memory (synchronous DRAM, SDRAM), double data rate synchronous dynamic random access memory (double data rate SDRAM, DDR SDRAM), enhanced synchronous dynamic random access memory (enhanced SDRAM, ESDRAM), synchronous connection Dynamic random access memory (synch link DRAM, SLDRAM) and direct memory bus random access memory (Direct Rambus RAM, DR RAM), etc. That is to say, the memory in the embodiment of the present application is intended to include but not limited to these and any other suitable types of memory.

The embodiment of the present application also provides a computer-readable storage medium for storing computer programs.

Optionally, the computer-readable storage medium may be applied to the network device in the embodiment of the present application, and the computer program causes the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application. For brevity, here No longer.

Optionally, the computer-readable storage medium can be applied to the mobile terminal/terminal device in the embodiment of the present application, and the computer program enables the computer to execute the corresponding process implemented by the mobile terminal/terminal device in each method of the embodiment of the present application , For the sake of brevity, I will not repeat it here.

The embodiments of the present application also provide a computer program product, including computer program instructions.

Optionally, the computer program product may be applied to the network device in the embodiment of the present application, and the computer program instructions cause the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application. For the sake of brevity, it is not here. Repeat it again.

Optionally, the computer program product can be applied to the mobile terminal/terminal device in the embodiment of the present application, and the computer program instructions cause the computer to execute the corresponding process implemented by the mobile terminal/terminal device in each method of the embodiment of the present application, For brevity, I won't repeat them here.

The embodiment of the present application also provides a computer program.

Optionally, the computer program can be applied to the network device in the embodiment of the present application. When the computer program runs on the computer, the computer is caused to execute the corresponding process implemented by the network device in each method of the embodiment of the present application. For the sake of brevity , I won’t repeat it here.

Optionally, the computer program can be applied to the mobile terminal/terminal device in the embodiment of the present application. When the computer program runs on the computer, the computer executes each method in the embodiment of the present application. For the sake of brevity, the corresponding process will not be repeated here.

A person of ordinary skill in the art may be aware that the units and algorithm steps of the examples described in combination with the embodiments disclosed herein can be implemented by electronic hardware or a combination of computer software and electronic hardware. Whether these functions are executed by hardware or software depends on the specific application and design constraint conditions of the technical solution. Professionals and technicians can use different methods for each specific application to implement the described functions, but such implementation should not be considered beyond the scope of this application.

Those skilled in the art can clearly understand that, for the convenience and conciseness of description, the specific working process of the above-described system, device, and unit can refer to the corresponding process in the foregoing method embodiment, which will not be repeated here.

In the several embodiments provided in this application, it should be understood that the disclosed system, device, and method may be implemented in other ways. For example, the device embodiments described above are merely illustrative. For example, the division of the units is only a logical function division, and there may be other divisions in actual implementation, for example, multiple units or components can be combined or It can be integrated into another system, or some features can be ignored or not implemented. In addition, the displayed or discussed mutual coupling or direct coupling or communication connection may be indirect coupling or communication connection through some interfaces, devices or units, and may be in electrical, mechanical or other forms.

The units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the objectives of the solutions of the embodiments.

In addition, the functional units in the various embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units may be integrated into one unit.

If the function is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer readable storage medium. In response to this understanding, the technical solution of this application essentially or the part that contributes to the prior art or the part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium, including Several instructions are used to make a computer device (which may be a personal computer, a server, or a network device, etc.) execute all or part of the steps of the method described in each embodiment of the present application. The aforementioned storage media include: U disk, mobile hard disk, read-only memory (Read-Only Memory,) ROM, random access memory (Random Access Memory, RAM), magnetic disk or optical disk and other media that can store program code .

The above are only specific implementations of this application, but the protection scope of this application is not limited to this. Any person skilled in the art can easily think of changes or substitutions within the technical scope disclosed in this application. Should be covered within the scope of protection of this application. Therefore, the protection scope of this application shall be subject to the protection scope of the claims.

Claims (78)

A wireless communication method, characterized by comprising: The terminal device calibrates the size of the downlink control information DCI according to the first information, where the first information is the calibration window and/or the priority of the DCI. The method according to claim 1, wherein if the first information is at least a calibration window, and the calibration window is a search space, The terminal device calibrating the DCI size according to the first information includes: The terminal device determines the DCI format in the first search space; The terminal device performs DCI size calibration on the DCI format in the first search space according to the number of target DCI sizes. The method of claim 2, wherein the method further comprises: Receiving, by the terminal device, first configuration information, where the first configuration information includes a DCI format in each search space in at least one search space, and the first search space belongs to the at least one search space; The terminal device determining the DCI format in the first search space includes: The terminal device determines the DCI format in the first search space according to the first configuration information. The method according to claim 2 or 3, wherein the terminal device performs DCI size calibration on the DCI format in the first search space according to the number of target DCI sizes, comprising: If the number of DCI sizes in the DCI format in the first search space is greater than the number of target DCI sizes, the terminal device fills in or deletes some of the DCI formats in the first search space, so that all The number of DCI sizes of the DCI format in the first search space is less than or equal to the number of target DCI sizes; or If the number of DCI sizes of the DCI format in the first search space is less than or equal to the number of target DCI sizes, the terminal device ignores performing DCI size calibration on the DCI format in the first search space. The method according to any one of claims 2 to 4, wherein the first search space is a user-specific search space or m search spaces with overlapping regions in the time domain, and m is an integer greater than 1. . The method of claim 1, wherein if the first information is at least a calibration window, and the calibration window is a time window, The terminal device calibrating the DCI size according to the first information includes: The terminal device determines the DCI format in the time window; The terminal device performs DCI size calibration on the DCI format in the time window according to the number of target DCI sizes. The method according to claim 6, wherein the time window is pre-configured or configured for a network device. The method according to claim 6 or 7, wherein the time window is one of the following: Time domain length of mini-slot, n consecutive symbols, slot, half-slot, and maximum search space, n is a positive integer. The method according to any one of claims 6 to 8, wherein the terminal device performs DCI size calibration on the DCI format in the time window according to the number of target DCI sizes, comprising: If the number of DCI sizes of the DCI format in the time window is greater than the number of the target DCI size, the terminal device zeroes or deletes part of the DCI format in the time window, so that the The number of DCI sizes in the DCI format is less than or equal to the number of target DCI sizes; or If the number of DCI sizes of the DCI format in the time window is less than or equal to the number of the target DCI size, the terminal device ignores performing DCI size calibration on the DCI format in the time window. The method according to claim 1, wherein if the first information is at least a calibration window, and the calibration window is configured by a network device, The terminal device calibrating the DCI size according to the first information includes: The terminal device determines the DCI format in the calibration window; The terminal device performs DCI size calibration on the DCI format in the calibration window according to the number of target DCI sizes. The method according to claim 10, wherein the calibration window is at least one of the following: Mini slot, minimum search space period, search space, search space set including at least one search space, control resource set, control resource set set including at least one control resource set, physical downlink control channel PDCCH time-frequency resources, including at least A PDCCH time-frequency resource collection of PDCCH time-frequency resources. The method according to claim 10 or 11, wherein the terminal device performs DCI size calibration on the DCI format in the calibration window according to the number of target DCI sizes, comprising: If the number of DCI sizes of the DCI format in the calibration window is greater than the number of the target DCI size, the terminal device zeroes or deletes part of the DCI format in the calibration window, so that the The number of DCI sizes in the DCI format is less than or equal to the number of target DCI sizes; or If the number of DCI sizes of the DCI format in the calibration window is less than or equal to the number of target DCI sizes, the terminal device ignores performing DCI size calibration on the DCI format in the calibration window. The method according to any one of claims 1 to 12, wherein if the first information is at least a priority of DCI, The terminal device calibrating the DCI size according to the first information includes: The terminal device determines the DCI format in the first window; If the number of DCI sizes of the DCI format in the first window is greater than the number of target DCI sizes, the terminal device calibrates the DCI formats in the calibration window from low to high according to the priority order of the DCI formats, So that the number of DCI sizes of the DCI format in the first window is less than or equal to the number of target DCI sizes, wherein the DCI format with a low priority uses the DCI format with a high priority as the calibration standard; or If the number of DCI sizes of the DCI format in the first window is less than or equal to the number of target DCI sizes, the terminal device ignores performing DCI size calibration on the DCI format in the first window. The method according to claim 13, wherein the DCI format in the first window includes at least DCI format 0_0, DCI format 0_1, and a first DCI format, the first DCI format has the largest DCI size, and The priority of the DCI format 0_0, the DCI format 0_1, and the first DCI format is greater than other DCI formats in the first window; The terminal device calibrating the DCI format in the first window from low to high according to the priority order of the DCI format includes: The terminal device divides the DCI format 0_0, the DCI format 0_1, and the DCI format of the first DCI format in the first window to perform DCI size calibration from low to high in order of priority of the DCI format, So that the number of DCI sizes of the DCI format in the first window is less than or equal to the number of target DCI sizes. The method according to claim 13 or 14, wherein the first window is the calibration window. The method according to any one of claims 13 to 15, wherein the priority order of the DCI format is configured by a network device. The method according to any one of claims 2 to 16, wherein the number of target DCI sizes is pre-configured or configured for network equipment. The method according to any one of claims 1 to 17, wherein the method further comprises: The terminal device sends first indication information, where the first indication information is used to indicate a PDCCH receiving manner of the terminal device. The method according to claim 18, wherein the PDCCH receiving mode of the terminal device includes: whether the terminal device supports joint reception of multiple search spaces, and/or the maximum DCI size supported by the terminal device Quantity. The method according to any one of claims 1 to 19, wherein the method further comprises: The terminal device detects the PDCCH according to the DCI size after calibration. A wireless communication method, characterized by comprising: The network device calibrates the size of the downlink control information DCI according to the first information, and the first information is the calibration window and/or the priority of the DCI. 22. The method of claim 21, wherein if the first information is at least a calibration window, and the calibration window is a search space, The network device calibrating the downlink control information DCI size according to the first information includes: The network device performs DCI size calibration on the DCI format in the first search space according to the number of target DCI sizes. The method according to claim 22, wherein the method further comprises: The network device sends first configuration information, where the first configuration information includes a DCI format in each search space in at least one search space, and the first search space belongs to the at least one search space. The method according to claim 22 or 23, wherein the first search space is a user-specific search space or m search spaces with overlapping regions in the time domain, and m is an integer greater than 1. 22. The method of claim 21, wherein if the first information is at least a calibration window, and the calibration window is a time window, The network device calibrating the downlink control information DCI size according to the first information includes: The network device performs DCI size calibration on the DCI format in the time window according to the number of target DCI sizes. The method according to claim 25, wherein the time window is one of the following: Time domain length of mini-slot, n consecutive symbols, slot, half-slot, and maximum search space, n is a positive integer. The method of claim 21, wherein if the first information is at least a calibration window, The network device calibrating the downlink control information DCI size according to the first information includes: The network device performs DCI size calibration on the DCI format in the calibration window according to the number of target DCI sizes. The method according to claim 27, wherein the calibration window is at least one of the following: Mini slot, minimum search space period, search space, search space set including at least one search space, control resource set, control resource set set including at least one control resource set, physical downlink control channel PDCCH time-frequency resources, including at least A PDCCH time-frequency resource collection of PDCCH time-frequency resources. The method according to any one of claims 21 to 28, wherein if the first information is at least a priority of DCI, The network device calibrating the downlink control information DCI size according to the first information includes: The network device performs DCI size calibration on the DCI format in the first window according to the number of target DCI sizes and the priority order of the DCI format. The method of claim 29, wherein the first window is the calibration window. The method according to claim 29 or 30, wherein the method further comprises: The network device sends second configuration information, where the second configuration information is used to indicate the priority order of the DCI format. The method according to any one of claims 21 to 31, wherein the method further comprises: The network device receives first indication information, where the first indication information is used to indicate a PDCCH receiving manner of the peer device. The method according to claim 32, wherein the PDCCH receiving mode of the opposite device comprises: whether the opposite device supports joint reception of multiple search spaces, and/or the number of maximum DCI sizes supported by the opposite device . The method according to any one of claims 21 to 33, wherein the method further comprises: The network device sends third configuration information, where the third configuration information is used to indicate the number of target DCI sizes. A terminal device, characterized in that it comprises: The processing unit is configured to calibrate the size of the downlink control information DCI according to the first information, where the first information is the calibration window and/or the priority of the DCI. The terminal device according to claim 35, wherein if the first information is at least a calibration window, and the calibration window is a search space, The processing unit is specifically used for: Determine the DCI format in the first search space; Perform DCI size calibration on the DCI format in the first search space according to the number of target DCI sizes. The terminal device according to claim 36, wherein the terminal device further comprises: A communication unit, configured to receive first configuration information, where the first configuration information includes a DCI format in each search space in at least one search space, and the first search space belongs to the at least one search space; The processing unit is specifically used for: Determine the DCI format in the first search space according to the first configuration information. The terminal device according to claim 36 or 37, wherein the processing unit is specifically configured to: If the number of DCI sizes of the DCI format in the first search space is greater than the number of the target DCI size, fill in or delete part of the DCI formats in the first search space to enable the first search The number of DCI sizes of the DCI format in the space is less than or equal to the number of target DCI sizes; or If the number of DCI sizes of the DCI format in the first search space is less than or equal to the number of target DCI sizes, the DCI size calibration for the DCI format in the first search space is ignored. The terminal device according to any one of claims 36 to 38, wherein the first search space is a user-specific search space or m search spaces with overlapping areas in the time domain, and m is greater than 1. Integer. The terminal device according to claim 35, wherein if the first information is at least a calibration window, and the calibration window is a time window, The processing unit is specifically used for: Determine the DCI format within the time window; Perform DCI size calibration on the DCI format in the time window according to the number of target DCI sizes. The terminal device according to claim 40, wherein the time window is pre-configured or configured for a network device. The terminal device according to claim 40 or 41, wherein the time window is one of the following: Time domain length of mini-slot, n consecutive symbols, slot, half-slot, and maximum search space, n is a positive integer. The terminal device according to any one of claims 40 to 42, wherein the processing unit is specifically configured to: If the number of DCI sizes in the DCI format in the time window is greater than the number of the target DCI size, fill in or delete some of the DCI formats in the time window, so that the DCI format in the time window is The number of DCI sizes is less than or equal to the number of target DCI sizes; or If the number of DCI sizes of the DCI format in the time window is less than or equal to the number of the target DCI size, the DCI size calibration for the DCI format in the time window is ignored. The terminal device of claim 35, wherein if the first information is at least a calibration window, and the calibration window is configured by a network device, The processing unit is specifically used for: Determining the DCI format in the calibration window; The DCI size calibration is performed on the DCI format in the calibration window according to the number of target DCI sizes. The terminal device according to claim 44, wherein the calibration window is at least one of the following: Mini slot, minimum search space period, search space, search space set including at least one search space, control resource set, control resource set set including at least one control resource set, physical downlink control channel PDCCH time-frequency resources, including at least A PDCCH time-frequency resource collection of PDCCH time-frequency resources. The terminal device according to claim 44 or 45, wherein the processing unit is specifically configured to: If the number of DCI sizes in the DCI format in the calibration window is greater than the number of the target DCI size, fill in or delete part of the DCI formats in the calibration window so that the DCI format in the calibration window is The number of DCI sizes is less than or equal to the number of target DCI sizes; or If the number of DCI sizes of the DCI format in the calibration window is less than or equal to the number of target DCI sizes, the DCI size calibration of the DCI format in the calibration window is ignored. The terminal device according to any one of claims 35 to 46, wherein if the first information is at least a priority of DCI, The processing unit is specifically used for: Determine the DCI format in the first window; If the number of DCI sizes in the DCI format in the first window is greater than the number of target DCI sizes, the DCI formats in the calibration window are calibrated from low to high according to the priority order of the DCI format, so that the The number of DCI sizes of the DCI format in the first window is less than or equal to the number of the target DCI size, wherein the DCI format with low priority uses the DCI format with high priority as the calibration standard; or If the number of DCI sizes of the DCI format in the first window is less than or equal to the number of target DCI sizes, the DCI size calibration of the DCI format in the first window is ignored. The terminal device according to claim 47, wherein the DCI format in the first window includes at least DCI format 0_0, DCI format 0_1, and a first DCI format, and the first DCI format has the largest DCI size, and The priority of the DCI format 0_0, the DCI format 0_1, and the first DCI format is greater than other DCI formats in the first window; The processing unit is specifically used for: Divide the DCI format 0_0, the DCI format 0_1, and the DCI format of the first DCI format in the first window to perform DCI size calibration from low to high in order of priority of the DCI format, so that the The number of DCI sizes of the DCI format in the first window is less than or equal to the number of target DCI sizes. The terminal device according to claim 47 or 48, wherein the first window is the calibration window. The terminal device according to any one of claims 47 to 49, wherein the priority order of the DCI format is configured by a network device. The terminal device according to any one of claims 36 to 50, wherein the number of the target DCI size is pre-configured or configured for a network device. The terminal device according to any one of claims 35 to 51, wherein the terminal device further comprises: The communication unit is configured to send first indication information, where the first indication information is used to indicate a PDCCH receiving mode of the terminal device. The terminal device according to claim 52, wherein the PDCCH receiving mode of the terminal device includes: whether the terminal device supports joint reception of multiple search spaces, and/or the maximum DCI size supported by the terminal device quantity. The terminal device according to any one of claims 35 to 53, wherein the processing unit is further configured to detect the PDCCH according to the DCI size after calibration. A network device, characterized by comprising: The processing unit is configured to calibrate the size of the downlink control information DCI according to the first information, and the first information is the calibration window and/or the priority of the DCI. The network device according to claim 55, wherein if the first information is at least a calibration window, and the calibration window is a search space, The processing unit is specifically configured to perform DCI size calibration on the DCI format in the first search space according to the number of target DCI sizes. The network device according to claim 56, wherein the network device further comprises: The communication unit is configured to send first configuration information, where the first configuration information includes a DCI format in each search space in at least one search space, and the first search space belongs to the at least one search space. The network device according to claim 56 or 57, wherein the first search space is a user-specific search space or m search spaces with overlapping regions in the time domain, and m is an integer greater than 1. The network device according to claim 55, wherein if the first information is at least a calibration window, and the calibration window is a time window, The processing unit is specifically configured to perform DCI size calibration on the DCI format in the time window according to the number of target DCI sizes. The network device according to claim 59, wherein the time window is one of the following: Time domain length of mini-slot, n consecutive symbols, slot, half-slot, and maximum search space, n is a positive integer. The network device of claim 55, wherein if the first information is at least a calibration window, The processing unit is specifically configured to perform DCI size calibration on the DCI format in the calibration window according to the number of target DCI sizes. The network device according to claim 61, wherein the calibration window is at least one of the following: Mini slot, minimum search space period, search space, search space set including at least one search space, control resource set, control resource set set including at least one control resource set, physical downlink control channel PDCCH time-frequency resources, including at least A PDCCH time-frequency resource collection of PDCCH time-frequency resources. The network device according to any one of claims 55 to 62, wherein if the first information is at least a priority of DCI, The processing unit is specifically configured to perform DCI size calibration on the DCI format in the first window according to the number of target DCI sizes and the priority order of the DCI format. The network device according to claim 63, wherein the first window is the calibration window. The network device according to claim 63 or 64, wherein the network device further comprises: The communication unit is configured to send second configuration information, where the second configuration information is used to indicate the priority order of the DCI format. The network device according to any one of claims 55 to 65, wherein the network device further comprises: The communication unit is configured to receive first indication information, where the first indication information is used to indicate a PDCCH receiving mode of the peer device. The network device according to claim 66, wherein the PDCCH receiving mode of the opposite device includes: whether the opposite device supports joint reception of multiple search spaces, and/or the maximum DCI size supported by the opposite device Quantity. The network device according to any one of claims 55 to 67, wherein the network device further comprises: The communication unit is configured to send third configuration information, where the third configuration information is used to indicate the number of target DCI sizes. A terminal device, comprising: a processor and a memory, the memory is used to store a computer program, the processor is used to call and run the computer program stored in the memory, and execute any one of claims 1 to 20 The method described in one item. A network device, comprising: a processor and a memory, the memory is used to store a computer program, the processor is used to call and run the computer program stored in the memory, and execute any of claims 21 to 34 The method described in one item. A chip, characterized by comprising: a processor, configured to call and run a computer program from a memory, so that a device installed with the chip executes the method according to any one of claims 1 to 20. A chip, characterized by comprising: a processor, configured to call and run a computer program from a memory, so that a device installed with the chip executes the method according to any one of claims 21 to 34. A computer-readable storage medium, characterized in that it is used to store a computer program that enables a computer to execute the method according to any one of claims 1 to 20. A computer-readable storage medium, characterized in that it is used to store a computer program that enables a computer to execute the method according to any one of claims 21 to 34. A computer program product, characterized by comprising computer program instructions, which cause a computer to execute the method according to any one of claims 1 to 20. A computer program product, characterized by comprising computer program instructions, which cause a computer to execute the method according to any one of claims 21 to 34. A computer program, wherein the computer program causes a computer to execute the method according to any one of claims 1 to 20. A computer program, wherein the computer program causes a computer to execute the method according to any one of claims 21 to 34.

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