CN111869146B

CN111869146B - Wireless communication method, terminal equipment and network equipment

Info

Publication number: CN111869146B
Application number: CN201980015136.0A
Authority: CN
Inventors: 徐婧; 林亚男
Original assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Current assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority date: 2019-02-26
Filing date: 2019-02-26
Publication date: 2022-04-05
Anticipated expiration: 2039-02-26
Also published as: CN111869146A; WO2020172803A1

Abstract

The embodiment of the application provides 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. The wireless communication method includes: and the terminal equipment calibrates the size of the DCI according to first information, wherein the first information is a calibration window and/or the priority of the DCI.

Description

Wireless communication method, terminal equipment and network equipment

Technical Field

The embodiments of the present application relate to the field of communications, and in particular, to a wireless communication method, a terminal device, and a network device.

Background

A blind detection mode is adopted for receiving a Physical Downlink Control Channel (PDCCH), that is, a terminal device performs traversal detection on a specific starting point set and a specific Downlink Control Information (DCI) size (size) in a predetermined region until Cyclic Redundancy Check (CRC) Check passes, and then determines that there is a PDCCH sent to the terminal device, otherwise, determines that there is no PDCCH at the current time to receive. The blind detection procedure is only for a specific set of starting points, a specific DCI size, a specific aggregation level, and therefore, the DCI size needs to be calibrated, only one PDCCH monitoring (monitoring) region in one slot (slot), and one DCI size calibration rule is for the one PDCCH region. However, in a New Radio (NR) system, a flexible Search space (Search space) configuration is introduced, that is, multiple PDCCH monitoring regions may exist in one slot, and each PDCCH monitoring region is independently detected. The DCI size calibration rule is adopted for calibration, so that the flexibility of DCI configuration is limited, and the transmission efficiency of the system is reduced.

Disclosure of Invention

The embodiment of the application provides 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, and the method includes:

and the terminal equipment calibrates the size of the DCI according to first information, wherein the first information is a calibration window and/or the priority of the DCI.

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

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

In a third aspect, a terminal device is provided, configured to perform the method in the first aspect or each implementation manner thereof.

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

In a fourth aspect, a network device is provided for performing the method of the second aspect or its implementation manners.

In particular, the network device comprises functional modules for performing the methods of the second aspect or its implementations described above.

In a fifth aspect, a terminal device is provided that includes a processor and a memory. The memory is used for storing a computer program, and the processor is used for calling and running the computer program stored in the memory, and executing the method in the first aspect or each implementation manner thereof.

In a sixth aspect, a network device is provided that includes a processor and a memory. The memory is used for storing a computer program, and the processor is used for calling and running the computer program stored in the memory, and executing the method of the second aspect or each implementation mode thereof.

In a seventh aspect, a chip is provided for implementing the method in any one of the first to second aspects or its implementation manners.

Specifically, the chip includes: a processor configured to call and run the computer program from the memory, so that the device on which the chip is installed performs the method in any one of the first aspect to the second aspect or the implementation manners thereof.

In an eighth aspect, a computer-readable storage medium is provided for storing a computer program, the computer program causing a computer to perform the method of any one of the first to second aspects or implementations thereof.

In a ninth aspect, there is provided a computer program product comprising computer program instructions to cause a computer to perform the method of any one of the first to second aspects or implementations thereof.

A tenth aspect provides a computer program that, when run on a computer, causes the computer to perform the method of any one of the first to second aspects or implementations thereof.

By the technical scheme, 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, diversified DCI formats (formats) are supported, and the transmission efficiency of data and control channels is improved.

Drawings

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

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

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

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

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

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

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

Detailed Description

Technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art without making any creative effort with respect to the embodiments in the present application belong to the protection scope of the present application.

The embodiment of the application can be applied to various communication systems, such as: global System for Mobile communications (GSM) System, Code Division Multiple Access (CDMA) System, Wideband Code Division Multiple Access (WCDMA) System, General Packet Radio Service (GPRS), Long Term Evolution (Long Term Evolution, LTE) System, LTE-a System, New Radio (NR) System, Evolution System of NR System, LTE-a System over unlicensed spectrum, NR (NR-b) System, UMTS (Universal Mobile telecommunications System), UMTS (UMTS) System, WLAN-b System over unlicensed spectrum, WiFi-b System, Wireless Local Area Network (WLAN) System, Wireless Local Area network (WiFi) System, GPRS (General Packet Radio Service, GPRS) System, GPRS (GPRS) System, LTE-b System, LTE-a System, NR System, LTE-b System over unlicensed spectrum, and LTE-b System over unlicensed spectrum, Next generation communication systems or other communication systems, etc.

Generally, conventional Communication systems support a limited number of connections and are easy to implement, however, with the development of Communication technology, mobile Communication systems will support not only conventional Communication, but also, for example, Device-to-Device (D2D) Communication, Machine-to-Machine (M2M) Communication, Machine Type Communication (MTC), and Vehicle-to-Vehicle (V2V) Communication, and the embodiments of the present application can also be applied to these Communication systems.

Optionally, the communication system in the embodiment of the present application may be applied to a Carrier Aggregation (CA) scenario, may also be applied to a Dual Connectivity (DC) scenario, and may also be applied to an independent (SA) networking scenario.

The frequency spectrum of the application is not limited in the embodiment of the present application. For example, the embodiments of the present application may be applied to a licensed spectrum and may also be applied to an unlicensed spectrum.

Illustratively, a 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 referred to as a communication terminal, a terminal). Network device 110 may provide communication coverage for a particular geographic area and may communicate with terminal devices located within that coverage area.

Fig. 1 exemplarily shows one network device and two terminal devices, and optionally, the communication system 100 may include a plurality of network devices and may include other numbers of terminal devices within the coverage of each network device, which is not limited in this embodiment of the present application.

Optionally, the communication system 100 may further include other network entities such as a network controller, a mobility management entity, and the like, which is not limited in this embodiment.

It should be understood that a device having a communication function in a network/system in the embodiments of the present application may be referred to as a communication device. 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 having a communication function, and the network device 110 and the terminal device 120 may be the specific devices described above and are not described herein again; the communication device may also include other devices in the communication system 100, such as other network entities, for example, a network controller, a mobility management entity, and the like, which is not limited in this embodiment.

The embodiments of the present application are described in conjunction with a terminal device and a network device, where: a terminal device may also be referred to as a User Equipment (UE), an access terminal, a subscriber unit, a subscriber station, a mobile station, a remote terminal, a mobile device, a User terminal, a wireless communication device, a User agent, or a User Equipment, etc. The terminal device may be a Station (ST) in a WLAN, and may be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a Wireless Local Loop (WLL) station, a Personal Digital Assistant (PDA) device, a handheld device with Wireless communication function, a computing device or other processing device connected to a Wireless modem, a vehicle-mounted device, a wearable device, and a next generation communication system, for example, a terminal device in an NR Network or a terminal device in a future evolved Public Land Mobile Network (PLMN) Network, and the like.

By way of example and not limitation, in the embodiments of the present application, the terminal device may also be a wearable device. Wearable equipment can also be called wearable intelligent equipment, is the general term of applying wearable technique to carry out intelligent design, develop the equipment that can dress to daily wearing, like glasses, gloves, wrist-watch, dress and shoes etc.. A wearable device is a portable device that is worn directly on the body or integrated into the clothing or accessories of the user. The wearable device is not only a hardware device, but also realizes powerful functions through software support, data interaction and cloud interaction. The generalized wearable smart device includes full functionality, large size, and can implement full or partial functionality without relying on a smart phone, such as: smart watches or smart glasses and the like, and only focus on a certain type of application functions, and need to be used in cooperation with other devices such as smart phones, such as various smart bracelets for physical sign monitoring, smart jewelry and the like.

The network device may be a device for communicating with a mobile device, and the network device may be an Access Point (AP) in a WLAN, a Base Station (BTS) in GSM or CDMA, a Base Station (NodeB, NB) in WCDMA, an evolved Node B (eNB, eNodeB) in LTE, a relay Station or an Access Point, or a vehicle-mounted device, a wearable device, a network device (gNB) in an NR network, or a network device in a PLMN network that is evolved in the future.

In this embodiment of the present application, a network device provides a service for a cell, and a terminal device communicates with the network device through a transmission resource (for example, a frequency domain resource or a spectrum resource) used by the cell, where the cell may be a cell corresponding to the network device (for example, a base station), and the cell may belong to a macro base station or a base station corresponding to a Small cell (Small cell), where the Small cell may include: urban cells (Metro cells), Micro cells (Micro cells), Pico cells (Pico cells), Femto cells (Femto cells), and the like, and the small cells have the characteristics of small coverage area and low transmission power, and are suitable for providing high-rate data transmission services.

The 5G NR system introduces an Ultra-reliable low latency communication (URLLC) service that is characterized by Ultra-high reliability (e.g., 99.999%) transmissions within an extreme latency (e.g., 1 ms). To achieve this goal, it is necessary to use a shorter Transmission Time Interval (TTI) for data Transmission, which also means that downlink control signaling needs to be transmitted more frequently.

The PDCCH is received in a blind detection mode, namely, the terminal equipment performs traversal detection on a specific starting point set and a specific DCI size in a predetermined region until CRC passes, and if not, the terminal equipment determines that there is one PDCCH sent to the terminal equipment, otherwise, the terminal equipment determines that no PDCCH needs to be received at the current moment.

The blind detection process is only directed at a specific starting point set (e.g., Search Space), a specific DCI size, and a specific Aggregation level (Aggregation level), so as to control the number of blind detections, reduce the complexity of terminal implementation, and increase the detection speed.

Calibrating the DCI size is achieved by a process of DCI size calibration (alignment). That is, when the Network device configures multiple types of DCI (mainly, multiple DCI sizes), it needs to keep the DCI sizes of different types consistent through a padding (padding) and/or truncation (pruning) manner, so as to control the total DCI size category of each Cell (Cell) to be not more than 4, and for a DCI size category scrambled by a Cell Radio Network Temporary Identity (C-RNTI), each Cell is controlled to be not more than 3.

The DCI size calibration has the advantages of limiting the PDCCH monitoring number, reducing the PDCCH detection complexity and improving the detection speed. However, there is a loss in scheduling flexibility or DCI transmission efficiency. For example, to achieve size consistency of multi-type DCI formats, fields (fields) in the DCI are reduced, for example, parameters related to Multiple antennas (MIMO) are compressed, and thus, a MIMO maximum gain cannot be obtained. For another example, in order to achieve the size consistency of the multi-type DCI, the field in the DCI may be unnecessarily increased, for example, for small data transmission, high-order MIMO transmission is not required to be supported, but in order to keep the DCI size the same, the information field is increased, and thus the overhead of PDCCH transmission is increased.

NR introduces a variety of service types, such as URLLC, enhanced Mobile ultra wide band (eMBB), and massive machine type of communication (mtc). The requirements of the various traffic types for scheduling are also clearly different. For example, frequent scheduling is required for URLLC, and reliability requirements for PDCCH transmission are high. The eMBB has moderate requirements on scheduling delay and PDCCH transmission reliability, but for large data amount scheduling, the data transmission efficiency has a large influence on the system, for example, high-order MIMO can greatly improve the system transmission efficiency. For mMTC, the requirements on scheduling delay, reliability and data transmission efficiency are not high, but the user quantity is large. Therefore, simply controlling DCI size is not adaptable to flexible system requirements.

It should be understood that in LTE systems, typically there is only one block of PDCCH region in a slot, i.e. the first 1/2/3 symbols in a slot. And the schedulable period of all services is 1slot, so it is reasonable to determine one DCI size alignment rule. In the NR system, a flexible Search space configuration is introduced, that is, multiple PDCCH monitoring regions may exist in one slot, and each PDCCH monitoring region is independently detected. From the complexity of blind detection, DCI size calibration is performed on all PDCCH monitoring regions, which is not necessary, and the flexibility of DCI configuration is limited, thereby reducing the transmission efficiency of the system.

Based on the above problems, embodiments of the present application provide a scheme for calibrating a DCI size based on a calibration window and/or a DCI priority, so that a DCI size calibration range can be refined, and transmission efficiency of data and a control channel is improved.

Fig. 2 is a schematic flow chart of a wireless communication method 200 according to an embodiment of the present application, and as shown in fig. 2, the method 200 may include the following:

s210, the network device calibrates the size of the DCI according to the first information, and the first information is a calibration window and/or the priority of the DCI.

S220, the terminal equipment calibrates the size of the DCI according to first information, wherein the first information is a calibration window and/or the priority of the DCI.

It should be noted that, the above steps S210 and S220 are executed by the network device and the terminal device, respectively, and there is no precedence order therebetween.

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 a PDCCH receiving manner of the terminal device.

For example, the PDCCH receiving scheme of the terminal device includes: whether the terminal device supports multiple search space joint reception, 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 calibrated DCI size.

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 the network device.

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

Optionally, the terminal device may determine the DCI format within the first search space based on a 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 of 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 formats in the first search space is greater than the number of target DCI sizes, the terminal device zero-fills or deletes some DCI formats in the first search space, so that the number of DCI sizes of the DCI formats 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 formats in the first search space is less than or equal to the number of the target DCI sizes, the terminal device ignores performing DCI size calibration on the DCI formats in the first search space.

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

When the first search space is m search spaces in which overlapping regions exist in the time domain, joint detection can be performed.

Optionally, in this embodiment of the present application, the number of the target DCI sizes is preconfigured (protocol agreed) or configured for the network device. For example, the number of DCI sizes agreed by the protocol 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 number of the target DCI sizes.

Optionally, as a 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 formats in the search spaces according to the number of target DCI sizes.

Specifically, as shown in fig. 3, assuming that the number of target DCI sizes is 4, the terminal device receives PDCCH configuration information, which at least includes: for the DCI format detected in each search space, DCI format0_0/0_1/1_0/1_1/2_0/2_1 is arranged in search space 1, and DCI format2_0/2_1 is arranged in search space 2. And the terminal equipment performs DCI size calibration based on the search spaces, namely, each search space independently performs DCI size calibration. As shown in fig. 3, the search space 1 includes 6 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, zero padding is performed on DCI format2_0/2_1 so that the DCI size thereof becomes 30, 35. Thus, the sizes of the DCI format0_0/0_1/1_0/1_1/2_0/2_1 are 30, 35, 40, 45, 30, and 35, respectively. Search space 2 contains 2 DCI formats, whose DCI sizes are 20 and 21, respectively. Since the DCI size number does not exceed the DCI size number upper limit 4, the DCI size does not need to be calibrated. The DCI size of DCI format2_0/2_1 in search space 2 is 20, 21.

Based on the first embodiment, the DCI size calibration scheme is enhanced such that the same DCI format, e.g. DCI format2_0/2_1, has DCI size 30, 35 in search space 1 and DCI size 20, 21 in search space 2. Thus, the PDCCH blind detection complexity is not increased, that is, the DCI Size in each PDCCH blind detection region is less than or equal to 4, so that different search spaces can be optimized independently, that is, the DCI Size in the search space 2 does not need to be filled with zeros, and the transmission efficiency is optimal.

Of course, in the first embodiment, the DCI format1_0/1_1 may be pruned such that the DCI size of the DCI format1_0/1_1 is 30 or 35, and thus the size corresponding to the DCI format0_0/0_1/1_0/1_1/2_0/2_1 in the search space 1 is 30, 35, 30, 35, 20, or 21, respectively.

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

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

Optionally, the time window is one of:

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

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

If the number of the DCI sizes of the DCI formats within the time window is less than or equal to the number of the target DCI sizes, the terminal device ignores performing DCI size calibration on the DCI formats within the time window.

Optionally, as a 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 formats in the time windows 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 receives PDCCH configuration information, which at least includes: the detected DCI format in each search space is associated with a periodicity of each search space. As shown in fig. 4, DCI format0_0/0_1/1_0/1_1/2_0/2_1 is arranged in search space 1, and DCI format2_0/2_1 is arranged in search space 2. The terminal equipment performs DCI size calibration based on the time window, namely, the DCI size calibration is performed independently for each search space. As shown in fig. 4, the time window a includes 6 DCI formats with DCI sizes of 30, 35, 40, 45, 20, and 21. To control the DCI size number not to exceed 4, zero-padding DCI format2_0/2_1 so that its DCI size becomes 30, 35. Thus, the size of the DCI format0_0/0_1/1_0/1_1/2_0/2_1 is 30, 35, 40, 45, 30, 35. Time window B contains 2 DCI formats with DCI sizes 20 and 21, respectively. Since the DCI size number does not exceed the upper limit of 4, the DCI size does not need to be calibrated. The DCI size of DCI format2_0/2_1 in time window B is 20, 21. And by analogy, performing DCI size calibration on the DCI formats in the time windows C to E.

Based on the second embodiment, the DCI size calibration scheme is enhanced such that the same DCI format, e.g. DCI format2_0/2_1, has DCI size 30, 35 in time window a and DCI size 20, 21 in time window B. Thus, the PDCCH blind detection complexity is not increased, that is, the DCI Size in each PDCCH blind detection region is less than or equal to 4, so that different time windows can be optimized independently, that is, the DCI Size in the second time window does not need to be filled with zero, and the transmission efficiency is optimal. Furthermore, compared with the first embodiment, there is also an advantage that, if the possible DCI size remains unchanged within a certain time window, the terminal PDCCH detection method (e.g. the assumption of DCI size) does not need to be changed, thereby reducing the detection complexity of the terminal device.

Of course, in the second embodiment, the DCI format1_0/1_1 may be punctured so that the DCI size of the DCI format1_0/1_1 is 30 or 35, and thus the size corresponding to the DCI format0_0/0_1/1_0/1_1/2_0/2_1 is 30, 35, 30, 35, 20, or 21 in the time window a.

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

Alternatively, the network device may configure the calibration window through Radio Resource Control (RRC) signaling, or higher layer signaling, or semi-static signaling.

Optionally, the calibration window is at least one of:

a micro-slot, a minimum search space period, a search space set including at least one search space, a control resource set including at least one control resource set, a PDCCH time-frequency resource set including at least one PDCCH time-frequency resource.

For example, the mini-slot is a calibration window. Alternatively, the minimum Search space period is one calibration window.

For example, each search space is a calibration window, or each search space set is a calibration window, and specifically, one search space set may include N search spaces and be configured by the network side.

For another example, each Control Resource Set (core) is a calibration window, or each core Set is a calibration window, and specifically, a core Set may include N core sets and is 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, and specifically, one 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 resource is from the first PRB of the frequency domain to the tenth PRB of the frequency domain, and the time domain is from 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 of a frequency domain, the time domain is a 2 Kth symbol, and K is a nonnegative integer.

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

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

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

if the number of the DCI sizes of the DCI formats in the first window is greater than the number of the target DCI sizes, the terminal device sequentially 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 the DCI sizes of the DCI formats in the first window is smaller than or equal to the number of the target DCI sizes, wherein the DCI format with the low priority takes the DCI format with the high priority as a calibration standard; or

If the number of DCI sizes of the DCI formats in the first window is less than or equal to the number of the target DCI sizes, the terminal device ignores performing DCI size calibration on the DCI formats 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 limitation, that is, all DCI formats are included.

Optionally, the priority order of the DCI formats 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 formats.

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

For example, assuming that the number of target DCI sizes is 4, the DCI format in the first window includes three DCI formats 0_ x/1_ x/2_ x, and the priority is DCI 0_ x > DCI 2_ x > DCI 1_ x. The DCI format with the higher priority is a calibration standard for the DCI format with the lower priority. The calibration process goes from low to high until the DCI size number requirement is met. For example, if the DCI size number requirement is 4, the terminal device first calibrates DCI format1_0/1_1 to the size same as DCI format2_0/2_1, and at this time, DCI format0_0/0_ 1/2_0/2_1 of 4 DCI sizes exists in the first window, and the calibration is finished.

Optionally, the DCI formats in the first window at least include DCI format0_0, DCI format0_ 1 and a first DCI format, where the DCI size of the first DCI format is the largest, and the priorities of the DCI format0_0, the DCI format0_ 1 and the first DCI format are greater than those of the other DCI formats in the first window, and then the terminal device performs DCI size calibration on the DCI formats of the first window except for the DCI format0_0, the DCI format0_ 1 and the first DCI format from low to high in sequence according to the priority order of the DCI formats, so that the number of DCI sizes of the DCI formats in the first window is smaller than or equal to the number of the target DCI sizes.

For example, assuming that the number of target DCI sizes is 4, there are 6 DCI formats within the first window, i.e., DCI format0_0/0_1/1_0/1_1/2_0/2_ 1. The DCI sizes are respectively 30, 35, 40, 45, 20 and 21. To control the DCI size number not to exceed 4, zero padding is performed on the DCI format2_0/2_1 to the latest DCI format0_0/0_1 so that the DCI size becomes 30, 35. Thus, the size of the DCI format0_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 common search space regions.

It should be noted that the DCI size of the DCI format0_0/0_1 cannot be changed in the common search space region. The DCI format with max size is kept unchanged, so that the scheduling flexibility is maximized, and the lack of the scheduling flexibility is avoided.

Therefore, in the embodiment of the present application, the DCI size may be calibrated based on the calibration window and/or the priority of the DCI, and the DCI size calibration range may be refined, so that an increase in PDCCH blind detection complexity may be avoided, diversified DCI formats may be supported, and the transmission efficiency of data and control channels is improved.

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

the processing unit 310 is configured to calibrate the DCI size according to first information, where the first information is a calibration window and/or a 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 configured to:

determining a DCI format within a first search space;

and according to the number of the target DCI sizes, performing DCI size calibration on the DCI formats in the first search space.

Optionally, the terminal device 300 further includes:

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

the processing unit 310 is specifically configured to:

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 the DCI sizes of the DCI formats in the first search space is greater than the number of the target DCI sizes, zero padding or deleting some of the DCI formats in the first search space to make the number of the DCI sizes of the DCI formats in the first search space smaller than or equal to the number of the target DCI sizes; or

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

Optionally, the first search space is a user-specific search space or m search spaces in which overlapping regions exist in a time domain, where 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 configured to:

determining a DCI format within the time window;

and according to the number of the target DCI sizes, performing DCI size calibration on the DCI formats in the time window.

Optionally, the time window is one of:

a micro-slot, n consecutive symbols, a time slot, a half-slot, a time domain length of a maximum search space, n being a positive integer.

Optionally, the processing unit 310 is specifically configured to:

if the number of the DCI sizes of the DCI formats in the time window is larger than the number of the target DCI sizes, filling zero or deleting the partial DCI formats in the time window so as to enable the number of the DCI sizes of the DCI formats in the time window to be smaller than or equal to the number of the target DCI sizes; or

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

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

the processing unit 310 is specifically configured to:

determining a DCI format within the calibration window;

and according to the number of the target DCI sizes, performing DCI size calibration on the DCI formats in the calibration window.

Optionally, the calibration window is at least one of:

the Physical Downlink Control Channel (PDCCH) time-frequency resource comprises a micro time slot, a minimum search space period, a search space set comprising at least one search space, a control resource set comprising at least one control resource set, a Physical Downlink Control Channel (PDCCH) time-frequency resource and a PDCCH time-frequency resource set comprising at least one PDCCH time-frequency resource.

Optionally, the processing unit 310 is specifically configured to:

if the number of the DCI sizes of the DCI formats in the calibration window is greater than the number of the target DCI sizes, zero padding or deleting some DCI formats in the calibration window to make the number of the DCI sizes of the DCI formats in the calibration window less than or equal to the number of the target DCI sizes; or

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

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

the processing unit 310 is specifically configured to:

determining a DCI format within a first window;

if the number of the DCI sizes of the DCI formats in the first window is larger than the number of the target DCI sizes, sequentially calibrating 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 the DCI sizes of the DCI formats in the first window is smaller than or equal to the number of the target DCI sizes, wherein the DCI formats with low priority use the DCI formats with high priority as calibration standards; or

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

Optionally, the DCI formats in the first window at least include DCI format0_0, DCI format0_ 1, and a first DCI format, where a DCI size of the first DCI format is the largest, and priorities of the DCI format0_0, the DCI format0_ 1, and the first DCI format are greater than those of other DCI formats in the first window;

the processing unit 310 is specifically configured to:

and sequentially calibrating the DCI sizes of the DCI formats except the DCI format0_0, the DCI format0_ 1 and the first DCI format from low to high in the first window according to the priority order of the DCI formats, so that the number of the DCI sizes of the DCI formats in the first window is smaller than or equal to the number of the target DCI sizes.

Optionally, the first window is the calibration window.

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

Optionally, the number of the target DCI sizes is preconfigured or configured for the network device.

Optionally, the terminal device 300 further includes:

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

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

Optionally, the processing unit 310 is further configured to detect a 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 embodiment of the method of the present application, and the above and other operations and/or functions of each unit in the terminal device 300 are respectively for implementing the corresponding flow of the terminal device in the method 200 shown in fig. 2, and are not described herein again for brevity.

Fig. 6 shows a schematic block diagram of a network device 400 according to an embodiment of the 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, where the first information is a calibration window and/or a priority of the DCI.

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

Optionally, the network device 400 further includes:

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

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

Optionally, the time window is one of:

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 formats in the calibration window according to the number of target DCI sizes.

Optionally, the calibration window is at least one of:

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

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

Optionally, the first window is the calibration window.

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

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

Optionally, the PDCCH receiving manner of the peer device includes: whether the peer device supports multiple search space joint reception, 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 number of the target DCI sizes.

It should be understood that the network device 400 according to the embodiment of the present application may correspond to a network device in the embodiment of the method of the present application, and the above and other operations and/or functions of each unit in the network device 400 are respectively for implementing corresponding flows of the network device in the method 200 shown in fig. 2, and are not described herein again for brevity.

Fig. 7 is a schematic structural diagram of a communication device 500 according to an embodiment of the present application. The communication device 500 shown in fig. 7 comprises a processor 510, and the processor 510 may call and run a computer program from a 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. From the memory 520, the processor 510 can call and run a computer program to implement the method in the embodiment of the present application.

The memory 520 may be a separate device from the processor 510, or may be integrated into 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, and specifically, may transmit information or data to the other devices or receive information or data transmitted by the other devices.

The transceiver 530 may include a transmitter and a receiver, among others. The transceiver 530 may further include one or more antennas.

Optionally, the communication device 500 may specifically be a network device in the embodiment of the present application, and the communication device 500 may implement a corresponding process implemented by the network device in each method in the embodiment of the present application, which is not described herein again for brevity.

Optionally, the communication device 500 may specifically be a mobile terminal/terminal device in the embodiment of the present application, and the communication device 500 may implement a corresponding process implemented by the mobile terminal/terminal device in each method in the embodiment of the present application, and for brevity, details are not described here again.

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 a 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. From the memory 620, the processor 610 may call and run a computer program to implement the method in the embodiment of the present application.

The memory 620 may be a separate device from the processor 610, or may be integrated into the processor 610.

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

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

Optionally, the chip may be applied to the network device in the embodiment of the present application, and the chip may implement the corresponding process implemented by the network device in each method in the embodiment of the present application, and for brevity, details are not described here again.

Optionally, the chip may be applied to the mobile terminal/terminal device in the embodiment of the present application, and the chip may implement the corresponding process implemented by the mobile terminal/terminal device in each method in the embodiment of the present application, and for brevity, no further description is given here.

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

Fig. 9 is a schematic block diagram of a communication system 700 provided in 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.

The terminal device 710 may be configured to implement the corresponding function implemented by the terminal device in the foregoing method, and the network device 720 may be configured to implement the corresponding function implemented by the network device in the foregoing method, for brevity, which is not described herein again.

It should be understood that the processor of the embodiments of the present application may be an integrated circuit chip having signal processing capabilities. In implementation, the steps of the above method embodiments may be performed by integrated logic circuits of hardware in a processor or instructions in the form of software. The Processor may be a general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic device, or discrete hardware components. The various methods, steps, and logic blocks disclosed in the embodiments of the present application may be implemented or performed. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like. The steps of the method disclosed in connection with the embodiments of the present application may be directly implemented by a hardware decoding processor, or implemented by a combination of hardware and software modules in the decoding processor. The software module may be located in ram, flash memory, rom, prom, or eprom, registers, etc. storage media as is well known in the art. The storage medium is located in a memory, and a processor reads information in the memory and completes the steps of the method in combination with hardware of the processor.

It will be appreciated that the memory in the embodiments of the subject application can be either volatile memory or nonvolatile memory, or can include both volatile and nonvolatile memory. The non-volatile Memory may be a Read-Only Memory (ROM), a Programmable ROM (PROM), an Erasable PROM (EPROM), an Electrically Erasable PROM (EEPROM), or a flash Memory. Volatile Memory can be Random Access Memory (RAM), which acts as external cache Memory. By way of example, but not limitation, many forms of RAM are available, such as Static random access memory (Static RAM, SRAM), Dynamic Random Access Memory (DRAM), Synchronous Dynamic random access memory (Synchronous DRAM, SDRAM), Double Data Rate Synchronous Dynamic random access memory (DDR SDRAM), Enhanced Synchronous SDRAM (ESDRAM), Synchronous link SDRAM (SLDRAM), and Direct Rambus RAM (DR RAM). It should be noted that the memory of the systems and methods described herein is intended to comprise, without being limited to, these and any other suitable types of memory.

It should be understood that the above memories are exemplary but not limiting illustrations, for example, the memories in the embodiments of the present application may also be Static Random Access Memory (SRAM), dynamic random access memory (dynamic RAM, DRAM), Synchronous Dynamic Random Access Memory (SDRAM), double data rate SDRAM (DDR SDRAM), enhanced SDRAM (enhanced SDRAM, ESDRAM), Synchronous Link DRAM (SLDRAM), Direct Rambus RAM (DR RAM), and the like. That is, the memory in the embodiments of the present application is intended to comprise, without being limited to, these and any other suitable types of memory.

The embodiment of the application also provides a computer readable storage medium for storing the computer program.

Optionally, the computer-readable storage medium may be applied to the network device in the embodiment of the present application, and the computer program enables the computer to execute the corresponding process implemented by the network device in each method in the embodiment of the present application, which is not described herein again for brevity.

Optionally, the computer-readable storage medium may 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 in the embodiment of the present application, which is not described herein again for brevity.

Embodiments of the present application also provide a computer program product comprising 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 enable the computer to execute corresponding processes implemented by the network device in the methods in the embodiment of the present application, which are not described herein again for brevity.

Optionally, the computer program product may be applied to the mobile terminal/terminal device in the embodiment of the present application, and the computer program instructions enable the computer to execute the corresponding processes implemented by the mobile terminal/terminal device in the methods in the embodiment of the present application, which are not described herein again for brevity.

The embodiment of the application also provides a computer program.

Optionally, the computer program may be applied to the network device in the embodiment of the present application, and when the computer program runs on a computer, the computer is enabled to execute the corresponding process implemented by the network device in each method in the embodiment of the present application, and for brevity, details are not described here again.

Optionally, the computer program may be applied to the mobile terminal/terminal device in the embodiment of the present application, and when the computer program runs on a computer, the computer is enabled to execute the corresponding process implemented by the mobile terminal/terminal device in each method in the embodiment of the present application, which is not described herein again for brevity.

Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.

It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.

In the several embodiments provided in the present application, it should be understood that the disclosed system, apparatus and method may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.

The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.

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

The functions, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a computer readable storage medium. With regard to such understanding, the technical solutions of the present application may be essentially implemented or contributed to by the prior art, or may be implemented in a software product stored in a storage medium and including instructions for causing a computer device (which may be a personal computer, a server, or a network device) to perform all or part of the steps of the method according to the embodiments of the present application. And the aforementioned storage medium includes: various media capable of storing program codes, such as a usb disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.

The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. A method of wireless communication, comprising:

the terminal equipment calibrates the size of the downlink control information DCI according to first information, wherein the first information is a calibration window and/or the priority of the DCI,

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

the terminal equipment calibrates the DCI size according to the first information, and the calibrating comprises the following steps:

the terminal equipment determines a DCI format in a first search space;

the terminal equipment performs DCI size calibration on the DCI format in the first search space according to the number of the target DCI sizes,

wherein the method further comprises:

the terminal equipment receives first configuration information, wherein the first configuration information comprises DCI formats in each of a plurality of search spaces, and the first search space is each of the plurality of search spaces;

the terminal equipment determines the DCI format in the first search space, and the determining comprises the following steps:

the terminal device independently determines DCI format in each first search space according to the first configuration information,

wherein the first information further includes a priority of the DCI,

the terminal equipment determines a DCI format in a first window;

if the number of the DCI sizes of the DCI formats in the first window is greater than the number of the target DCI sizes, calibrating, by the terminal device, the DCI formats in the calibration window from low to high in sequence according to the priority order of the DCI formats, where the number of the calibrated DCI sizes of the DCI formats in the first window is less than or equal to the number of the target DCI sizes, and the DCI format with the low priority takes the DCI format with the high priority as a calibration standard; or

And if the number of the DCI sizes of the DCI formats in the first window is less than or equal to the number of the target DCI sizes, the terminal equipment ignores the DCI size calibration of the DCI formats in the first window.

2. The method of claim 1, 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, the method comprising:

if the number of DCI sizes of the DCI formats in the first search space is greater than the number of target DCI sizes, the terminal device zero-filling or deleting some DCI formats in the first search space, so that the number of DCI sizes of the DCI formats in the first search space is less than or equal to the number of target DCI sizes; or

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

3. The method according to claim 1 or 2, wherein the first search space is a user-specific search space or m search spaces where there are overlapping regions in the time domain, and m is an integer greater than 1.

4. The method of claim 1, wherein the calibration window further comprises a time window,

the terminal equipment determines the DCI format in the time window;

and the terminal equipment performs DCI size calibration on the DCI format in the time window according to the number of the target DCI sizes.

5. The method of claim 4, wherein the time window is pre-configured or configured for a network device.

6. The method according to claim 4 or 5, wherein the time window is one of:

7. The method of any one of claims 4 to 6, wherein the terminal device performs DCI size calibration on the DCI formats in the time window according to the number of target DCI sizes, and the method comprises:

if the number of the DCI sizes of the DCI formats within the time window is greater than the number of the target DCI sizes, the terminal device zero-filling or deleting some of the DCI formats within the time window to make the number of the DCI sizes of the DCI formats within the time window smaller than or equal to the number of the target DCI sizes; or

And if the number of the DCI sizes of the DCI formats in the time window is less than or equal to the number of the target DCI sizes, the terminal equipment ignores the DCI size calibration of the DCI formats in the time window.

8. The method of claim 1, wherein the calibration window is configured for a network device,

the terminal equipment determines a DCI format in the calibration window;

and the terminal equipment calibrates the DCI size of the DCI format in the calibration window according to the number of the target DCI sizes.

9. The method of claim 8, wherein the calibration window is at least one of:

10. The method according to claim 8 or 9, wherein 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 comprising:

if the number of the DCI sizes of the DCI formats in the calibration window is greater than the number of the target DCI sizes, the terminal device zero-filling or deleting some DCI formats in the calibration window so that the number of the DCI sizes of the DCI formats in the calibration window is smaller than or equal to the number of the target DCI sizes; or

And if the number of the DCI sizes of the DCI formats in the calibration window is less than or equal to the number of the target DCI sizes, the terminal equipment ignores the DCI size calibration of the DCI formats in the calibration window.

11. The method of claim 10, wherein the DCI formats in the first window include at least DCI format0_0, DCI format0_ 1, and a first DCI format, wherein the DCI size of the first DCI format is largest, and wherein the DCI format0_0, DCI format0_ 1, and the first DCI format have a higher priority than other DCI formats in the first window;

the terminal equipment sequentially calibrates the DCI formats in the first window from low to high according to the priority order of the DCI formats, and the calibrating comprises the following steps:

and the terminal equipment sequentially calibrates the DCI sizes of the DCI formats except the DCI format0_0, the DCI format0_ 1 and the DCI format of the first DCI format from low to high according to the priority order of the DCI formats, so that the number of the DCI sizes of the DCI formats in the first window is smaller than or equal to the number of the target DCI sizes.

12. The method of claim 10 or 11, wherein the first window is the calibration window.

13. The method according to any of claims 10 to 12, wherein the priority order of the DCI formats is configured by a network device.

14. The method of any of claims 1 to 13, wherein the number of target DCI sizes is pre-configured or network device configured.

15. The method according to any one of claims 1 to 14, further comprising:

the terminal equipment sends first indication information, and the first indication information is used for indicating a PDCCH receiving mode of the terminal equipment.

16. The method of claim 15, wherein the PDCCH receiving mode of the terminal device comprises: whether the terminal device supports multiple search space joint reception, and/or the number of maximum DCI sizes supported by the terminal device.

17. The method according to any one of claims 1 to 16, further comprising:

and the terminal equipment detects the PDCCH according to the calibrated DCI size.

18. A method of wireless communication, comprising:

the network equipment calibrates the size of the downlink control information DCI according to the first information, and the first information is the priority of a calibration window and/or the DCI,

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

the network equipment calibrates the size of the downlink control information DCI according to the first information, and the calibration comprises the following steps:

the network device performs DCI size calibration on DCI formats in the first search space according to the number of the target DCI sizes,

the method further comprises the following steps:

the network device transmitting first configuration information including a DCI format within each of a plurality of search spaces, the first search space being each of the plurality of search spaces, the network device independently determining the DCI format within each of the first search spaces,

wherein the first information further includes a priority of the DCI,

and the network equipment performs DCI size calibration on the DCI formats in the first window according to the number of the target DCI sizes and the priority order of the DCI formats.

19. The method of claim 18, wherein the first search space is a user-specific search space or m search spaces where overlapping regions exist in a time domain, and m is an integer greater than 1.

20. The method of claim 18, wherein the calibration window further comprises a time window,

and the network equipment performs DCI size calibration on the DCI formats in the time window according to the number of the target DCI sizes.

21. The method of claim 20, wherein the time window is one of:

22. The method of claim 18,

and the network equipment calibrates the DCI size of the DCI format in the calibration window according to the number of the target DCI sizes.

23. The method of claim 22, wherein the calibration window is at least one of:

24. The method of claim 18, wherein the first window is the calibration window.

25. The method of claim 18 or 24, further comprising:

the network device sends second configuration information, where the second configuration information is used to indicate a priority order of the DCI formats.

26. The method of any one of claims 18 to 25, further comprising:

the network equipment receives first indication information, wherein the first indication information is used for indicating a PDCCH receiving mode of opposite terminal equipment.

27. The method of claim 26, wherein the PDCCH receiving mode of the peer device comprises: whether the peer device supports multiple search space joint reception, and/or the number of maximum DCI sizes supported by the peer device.

28. The method of any one of claims 18 to 27, further comprising:

the network device sends third configuration information, where the third configuration information is used to indicate the number of the target DCI sizes.

29. A terminal device, comprising:

a processing unit, configured to calibrate a DCI size according to first information, where the first information is a calibration window and/or a DCI priority,

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:

determining a DCI format within a first search space;

performing DCI size calibration on DCI formats in the first search space according to the number of target DCI sizes,

characterized in that, the terminal equipment further comprises:

a communication unit configured to receive first configuration information, the first configuration information including a DCI format in each of a plurality of search spaces, the first search space being each of the plurality of search spaces;

the processing unit is specifically configured to:

determining DCI formats within each of the first search spaces independently according to the first configuration information,

wherein the first information further includes a priority of the DCI,

the processing unit is specifically configured to:

determining a DCI format within a first window;

if the number of the DCI sizes of the DCI formats in the first window is larger than the number of the target DCI sizes, calibrating the DCI formats in the calibration window from low to high in sequence according to the priority order of the DCI formats, wherein the number of the calibrated DCI sizes of the DCI formats in the first window is smaller than or equal to the number of the target DCI sizes, and the DCI formats with low priority use the DCI formats with high priority as calibration standards; or

And if the number of the DCI sizes of the DCI formats in the first window is less than or equal to the number of the target DCI sizes, ignoring the DCI size calibration of the DCI formats in the first window.

30. The terminal device of claim 29, wherein the processing unit is specifically configured to:

And if the number of the DCI sizes of the DCI formats in the first search space is less than or equal to the number of the target DCI sizes, omitting the DCI size calibration of the DCI formats in the first search space.

31. The terminal device according to claim 29 or 30, wherein the first search space is a user-specific search space or m search spaces where there are overlapping regions in the time domain, and m is an integer greater than 1.

32. The terminal device of claim 29, wherein the calibration window further comprises a time window,

the processing unit is specifically configured to:

determining a DCI format within the time window;

33. A terminal device according to claim 32, wherein the time window is pre-configured or network device configured.

34. The terminal device according to claim 32 or 33, wherein the time window is one of:

35. The terminal device according to any one of claims 32 to 34, wherein the processing unit is specifically configured to:

And if the number of the DCI sizes of the DCI formats in the time window is less than or equal to the number of the target DCI sizes, ignoring the DCI size calibration of the DCI formats in the time window.

36. The terminal device of claim 29, wherein the calibration window is configured for a network device,

the processing unit is specifically configured to:

determining a DCI format within the calibration window;

37. The terminal device of claim 36, wherein the calibration window is at least one of:

38. The terminal device according to claim 36 or 37, wherein the processing unit is specifically configured to:

if the number of the DCI sizes of the DCI formats in the calibration window is larger than the number of the target DCI sizes, filling zero or deleting the partial DCI formats in the calibration window so as to enable the number of the DCI sizes of the DCI formats in the calibration window to be smaller than or equal to the number of the target DCI sizes; or

And if the number of the DCI sizes of the DCI formats in the calibration window is less than or equal to the number of the target DCI sizes, omitting the DCI size calibration of the DCI formats in the calibration window.

39. The terminal device of claim 29, wherein the DCI formats in the first window include at least DCI format0_0, DCI format0_ 1 and a first DCI format, the first DCI format having a largest DCI size, and the DCI format0_0, DCI format0_ 1 and the first DCI format having a higher priority than other DCI formats in the first window;

the processing unit is specifically configured to:

and sequentially calibrating the DCI sizes of the DCI formats except the DCI format0_0, the DCI format0_ 1 and the first DCI format from low to high according to the priority order of the DCI formats, so that the number of the DCI sizes of the DCI formats in the first window is smaller than or equal to the number of the target DCI sizes.

40. A terminal device according to claim 29 or 39, wherein the first window is the calibration window.

41. The terminal device according to any of claims 29 to 40, wherein the priority order of the DCI formats is configured by a network device.

42. The terminal device of any of claims 29 to 41, wherein the number of target DCI sizes is pre-configured or network device configured.

43. The terminal device according to any of claims 29 to 42, wherein the terminal device further comprises:

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

44. The terminal device of claim 43, wherein the PDCCH reception mode of the terminal device comprises: whether the terminal device supports multiple search space joint reception, and/or the number of maximum DCI sizes supported by the terminal device.

45. The terminal device according to any of claims 29 to 44, wherein the processing unit is further configured to detect PDCCH according to the DCI size after calibration.

46. A network device, comprising:

a processing unit, configured to calibrate a size of downlink control information DCI according to first information, where the first information is a priority of a calibration window and/or DCI,

the processing unit is specifically configured to perform DCI size calibration on DCI formats in the first search space according to the number of target DCI sizes,

characterized in that the network device further comprises:

a communication unit configured to transmit first configuration information, the first configuration information including a DCI format in each of a plurality of search spaces, the first search space being each of the plurality of search spaces, the processing unit being specifically configured to independently determine the DCI format in each of the first search spaces,

wherein the first information further includes a priority of the DCI,

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

47. The network device of claim 46, wherein the first search space is a user-specific search space or m search spaces with overlapping regions in the time domain, and wherein m is an integer greater than 1.

48. The network device of claim 46, wherein the calibration window further comprises a time window,

the processing unit is specifically configured to perform DCI size calibration on the DCI formats within the time window according to the number of target DCI sizes.

49. The network device of claim 48, wherein the time window is one of:

50. The network device of claim 46,

the processing unit is specifically configured to perform DCI size calibration on the DCI formats within the calibration window according to the number of target DCI sizes.

51. The network device of claim 50, wherein the calibration window is at least one of:

52. The network device of claim 46, wherein the first window is the calibration window.

53. The network device of claim 46 or 52, wherein the network device further comprises:

a communication unit, configured to send second configuration information, where the second configuration information is used to indicate a priority order of the DCI formats.

54. The network device of any one of claims 46 to 53, wherein the network device further comprises:

a communication unit, configured to receive first indication information, where the first indication information is used to indicate a PDCCH receiving manner of an opposite device.

55. The network device of claim 54, wherein the PDCCH receiving manner of the peer device comprises: whether the peer device supports multiple search space joint reception, and/or the number of maximum DCI sizes supported by the peer device.

56. The network device of any one of claims 46 to 55, wherein the network device further comprises:

a communication unit, configured to transmit third configuration information, where the third configuration information is used to indicate the number of the target DCI sizes.

57. A terminal device, comprising: a processor and a memory for storing a computer program, the processor being configured to invoke and execute the computer program stored in the memory to perform the method of any of claims 1 to 17.

58. A network device, comprising: a processor and a memory for storing a computer program, the processor being configured to invoke and execute the computer program stored in the memory to perform the method of any of claims 18 to 28.

59. A chip, comprising: a processor for calling and running a computer program from a memory so that a device on which the chip is installed performs the method of any one of claims 1 to 17.

60. A chip, comprising: a processor for calling and running a computer program from a memory so that a device on which the chip is installed performs the method of any one of claims 18 to 28.

61. A computer-readable storage medium for storing a computer program which causes a computer to perform the method of any one of claims 1 to 17.

62. A computer-readable storage medium for storing a computer program which causes a computer to perform the method of any one of claims 18 to 28.