Wireless communication method, terminal device, and communication device

Abstract

Provided are a wireless communication method, a terminal device, and a communication device. The method comprises: a terminal device receives or sends a signal by means of a plurality of carriers, wherein the durations of time domain units corresponding to some or all of the plurality of carriers are different, the time domain units corresponding to some or all of the plurality of carriers overlap in a time domain, the time domain units corresponding to the plurality of carriers comprise a target time period, and the target time period is used for adjusting a target power of the signal. In embodiments of the present application, a target time period can be set in time domain units corresponding to a plurality of carriers, and the target time period can be used for adjusting a target power of a signal, so that the target power of the signal transmitted in the time domain units corresponding to the plurality of carriers can be improved; and compared with conventional power adjustment solutions, the present application can improve the signal transmission performance.

Description

Wireless communication method, terminal device and communication device Technical Field

[0001] The present application relates to the field of communication technology, and more specifically, to a wireless communication method, terminal equipment and communication equipment. Background Art

[0002] At present, in order to improve the communication transmission rate, communication devices can transmit signals through multiple carriers. In some scenarios, if the duration of the time domain units corresponding to multiple carriers is different, it may cause the power limit in the time domain units corresponding to the multiple carriers to change. The traditional power adjustment mechanism stipulates that the terminal device can complete the setting of the transmit power and / or receive power on multiple carriers based on the total transmit power limit at the beginning of a time domain unit, and the transmit power and / or receive power remains unchanged in the time domain unit. Therefore, if the duration of the time domain units corresponding to multiple carriers is different, power control is still performed based on the traditional power adjustment mechanism, which may lead to a decrease in signal transmission performance.

[0003] Summary of the Invention

[0004] The present application provides a wireless communication method, terminal device, communication device, apparatus, chip, computer-readable storage medium, computer program product, and computer program. The following introduces various aspects of the present application.

[0005] In a first aspect, a method for wireless communication is provided, comprising: a terminal device receives or sends signals through multiple carriers, wherein the time domain units corresponding to some or all of the multiple carriers have different durations, and the time domain units corresponding to some or all of the multiple carriers overlap in the time domain, wherein the time domain units corresponding to the multiple carriers include a target time period, and the target time period is used to adjust the target power of the signal.

[0006] According to a second aspect, a method for wireless communication is provided, comprising: a target device receives or sends a signal through multiple carriers, wherein the time domain units corresponding to some or all of the multiple carriers have different durations, and the time domain units corresponding to some or all of the multiple carriers overlap in the time domain, wherein the time domain units corresponding to the multiple carriers include a target time period, and the target time period is used to adjust the target power of the signal.

[0007] According to a third aspect, a terminal device is provided, comprising: a communication unit for receiving or sending signals through multiple carriers, wherein the time domain units corresponding to some or all of the multiple carriers have different durations, and the time domain units corresponding to some or all of the multiple carriers overlap in the time domain, wherein the time domain units corresponding to the multiple carriers include a target time period, and the target time period is used to adjust the target power of the signal.

[0008] In a fourth aspect, a communication device is provided, comprising: a communication unit for receiving or sending signals through multiple carriers, wherein the time domain units corresponding to some or all of the multiple carriers have different durations, and the time domain units corresponding to some or all of the multiple carriers overlap in the time domain, wherein the time domain units corresponding to the multiple carriers include a target time period, and the target time period is used to adjust the target power of the signal.

[0009] In a fifth aspect, a terminal device is provided, comprising a processor, a memory, and a communication interface, wherein the memory is used to store one or more computer programs, and the processor is used to call the computer program in the memory so that the terminal device executes part or all of the steps in the method of the first aspect.

[0010] In the sixth aspect, a communication device is provided, comprising a processor, a memory, and a transceiver, wherein the memory is used to store one or more computer programs, and the processor is used to call the computer program in the memory so that the communication device executes part or all of the steps in the method of the second aspect.

[0011] In some implementations, the above-mentioned communication device may be a network device or other terminal device other than the terminal device in the first aspect.

[0012] In a seventh aspect, an embodiment of the present application provides a communication system, which includes the above-mentioned terminal device and / or network device. In another possible design, the system may also include other devices that interact with the terminal device or network device in the solution provided in the embodiment of the present application.

[0013] In an eighth aspect, an embodiment of the present application provides a computer-readable storage medium, which stores a computer program, and the computer program enables a communication device (for example, a terminal device or a network device) to execute part or all of the steps in the methods of the above aspects.

[0014] In a ninth aspect, embodiments of the present application provide a computer program product, wherein the computer program product includes a non-transitory computer-readable storage medium storing a computer program, wherein the computer program is operable to cause a communication device (e.g., a terminal device or a network device) to perform some or all of the steps of the methods described in each of the above aspects. In some implementations, the computer program product can be a software installation package.

[0015] In the tenth aspect, an embodiment of the present application provides a chip, which includes a memory and a processor. The processor can call and run a computer program from the memory to implement some or all of the steps described in the methods of the above aspects.

[0016] In an embodiment of the present application, a target time period can be set in the time domain unit corresponding to multiple carriers, and the target time period can be used to adjust the target power of the signal. This can increase the target power (for example, transmit power and / or receive power) of the signal transmitted in the time domain unit corresponding to multiple carriers, which helps to improve the transmission performance of the signal compared to traditional power adjustment schemes. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] FIG1 is a wireless communication system 100 used in an embodiment of the present application.

[0018] FIG2 is a schematic diagram of in-band multi-carrier transmission applicable to an embodiment of the present application.

[0019] FIG3 is a schematic diagram of the duration of time domain units corresponding to different carriers when the subcarrier spacing of multiple carriers within a band is the same.

[0020] FIG4 is a schematic diagram of the duration of time domain units corresponding to different carriers when the subcarrier spacings of multiple carriers within a band are different.

[0021] FIG5 is a schematic diagram of changes in transmit power limits on time domain units corresponding to different carriers in the scenario shown in FIG4 .

[0022] FIG6 is a schematic diagram of another variation of the transmit power limit on the time domain unit corresponding to different carriers in the scenario shown in FIG4 .

[0023] FIG7 is a schematic diagram of changes in receive power limits on time domain units corresponding to different carriers in the scenario shown in FIG4 .

[0024] FIG8 is a schematic diagram of another variation of the reception power limit on the time domain unit corresponding to different carriers in the scenario shown in FIG4 .

[0025] FIG9 is a schematic flowchart of a wireless communication method according to an embodiment of the present application.

[0026] FIG10 is another schematic diagram of the duration of time domain units corresponding to different carriers when the subcarrier spacings of multiple carriers within a band are different.

[0027] FIG11 is a schematic diagram of the time domain position of the target time period in an embodiment of the present application.

[0028] FIG12 is a schematic diagram of the time domain position of the target time period in another embodiment of the present application.

[0029] FIG13 is a schematic diagram of the time domain position of the target time period in another embodiment of the present application.

[0030] FIG14 is a schematic diagram of transmit power scheduling in an embodiment of the present application.

[0031] FIG15 is a schematic diagram of sideline signal transmission between multiple terminal devices.

[0032] FIG16 is a schematic diagram of a change in receiving power limit in an embodiment of the present application.

[0033] FIG17 is a schematic flowchart of a method for adjusting transmit power in an embodiment of the present application.

[0034] Figure 18 is a schematic diagram of a terminal device according to an embodiment of the present application.

[0035] FIG19 is a schematic diagram of a communication device according to an embodiment of the present application.

[0036] Figure 20 is a schematic structural diagram of a communication device according to an embodiment of the present application. DETAILED DESCRIPTION

[0037] The technical solutions in this application will be described below with reference to the accompanying drawings. For ease of understanding, the terms and communication processes involved in the embodiments of this application are introduced below with reference to Figures 1 to 8.

[0038] Figure 1 illustrates a wireless communication system 100 used in an embodiment of the present application. The wireless communication system 100 may include a network device 110 and a terminal device 120. The network device 110 may be a device that communicates with the terminal device 120. The network device 110 may provide communication coverage for a specific geographic area and may communicate with the terminal device 120 within the coverage area.

[0039] In some implementations, the terminal device 120 may also communicate with other terminal devices 120, wherein the communication between the terminal device 120 and the other terminal devices 120 may also be referred to as side communication. Accordingly, the link for communication between the terminal device 120 and the other terminal devices 120 may be referred to as a sidelink.

[0040] FIG1 exemplarily shows a network device and two terminals. Optionally, the wireless communication system 100 may include multiple network devices and each network device may include other numbers of terminal devices within its coverage area, which is not limited in the embodiments of the present application.

[0041] Optionally, the wireless communication system 100 may further include other network entities such as a network controller and a mobility management entity, which is not limited in the embodiment of the present application.

[0042] It should be understood that the technical solutions of the embodiments of the present application can be applied to various communication systems, such as: fifth generation (5G) system or new radio (NR), long term evolution (LTE) system, LTE frequency division duplex (FDD) system, LTE time division duplex (TDD), etc. The technical solutions provided in this application can also be applied to future communication systems, such as the sixth generation mobile communication system, satellite communication system, etc.

[0043] The terminal device in the embodiments of the present application may also be referred to as user equipment (UE), access terminal, user unit, user station, mobile station, mobile station (MS), mobile terminal (MT), remote station, remote terminal, mobile device, user terminal, terminal, wireless communication device, user agent or user device. The terminal device in the embodiments of the present application may refer to a device that provides voice and / or data connectivity to a user and can be used to connect people, objects and machines, such as a handheld device with wireless connection function, a vehicle-mounted device, etc. The terminal device in the embodiments of the present application can be a mobile phone, a tablet computer, a laptop computer, a PDA, a mobile internet device (MID), a wearable device, a virtual reality (VR) device, an augmented reality (AR) device, a wireless terminal in industrial control, a wireless terminal in self-driving, a wireless terminal in remote medical surgery, a wireless terminal in a smart grid, a wireless terminal in transportation safety, a wireless terminal in a smart city, a wireless terminal in a smart home, etc. Optionally, the UE can be used to act as a base station. For example, the UE can act as a scheduling entity that provides sidelink signals between UEs in V2X or D2D, etc. For example, a cellular phone and a car communicate with each other using sidelink signals. The cellular phone and smart home devices communicate without relaying the communication signal through the base station.

[0044] The network device in the embodiments of the present application may be a device for communicating with a terminal device, and may also be referred to as an access network device or a radio access network device. For example, the network device may be a base station. The network device in the embodiments of the present application may refer to a radio access network (RAN) node (or device) that connects a terminal device to a wireless network. A base station can broadly cover various names as follows, or be replaced with the following names, such as: NodeB, evolved NodeB (eNB), next generation NodeB (gNB), relay station, access point, transmission point (TRP), transmission point (TP), master station MeNB, secondary station SeNB, multi-standard radio (MSR) node, home base station, network controller, access node, wireless node, access point (AP), transmission node, transceiver node, baseband unit (BBU), remote radio unit (RRU), active antenna unit (AAU), remote radio head (RRH), central unit (CU), distributed unit (DU), positioning node, etc. A base station can be a macro base station, a micro base station, a relay node, a donor node or the like, or a combination thereof. A base station can also refer to a communication module, modem or chip used to be set in the aforementioned device or apparatus. The base station can also be a mobile switching center and a device that performs base station functions in device-to-device D2D, vehicle-to-everything (V2X), and machine-to-machine (M2M) communications, a network-side device in a 6G network, or a device that performs base station functions in future communication systems. The base station can support networks with the same or different access technologies. The embodiments of this application do not limit the specific technology and specific device form used by the network equipment.

[0045] Base stations can be fixed or mobile. For example, a helicopter or drone can be configured to act as a mobile base station, and one or more cells can move based on the location of the mobile base station. In other examples, a helicopter or drone can be configured to act as a device that communicates with another base station.

[0046] In some deployments, the network device in the embodiments of the present application may refer to a CU or a DU, or the network device may include a CU and a DU. The gNB may also include an AAU.

[0047] The network equipment and terminal devices can be deployed on land, including indoors or outdoors, handheld or vehicle-mounted; they can also be deployed on water; they can also be deployed in the air on aircraft, balloons, and satellites. The embodiments of this application do not limit the scenarios in which the network equipment and terminal devices are located.

[0048] It should be understood that all or part of the functions of the communication device in this application can also be implemented through software functions running on hardware, or through virtualization functions instantiated on a platform (such as a cloud platform).

[0049] Carrier aggregation technology

[0050] To meet the requirements for single-user peak data rates and improved system capacity, one of the most direct approaches is to increase the system transmission bandwidth. Therefore, a bandwidth-enhancing technology, carrier aggregation (CA), has been introduced into communication systems. CA aggregates multiple (e.g., 2-5) component carriers (CCs) to increase transmission bandwidth, effectively boosting uplink and downlink transmission rates.

[0051] In some implementations, the CCs participating in the aggregation may be carriers that are adjacent in frequency band or carriers that are not adjacent in frequency band. In other implementations, CA technology may be classified according to the range of aggregated carriers, and the types of CA may be divided into intra-band CA (intra-band CA) and inter-band CA (inter-band CA, or inter-band CA). As the name implies, for intra-band CA, the CCs participating in carrier aggregation belong to the same frequency band. For inter-band CA, the CCs participating in carrier aggregation belong to multiple different frequency bands. Intra-band multi-carrier transmission is described below in conjunction with Figure 2.

[0052] Multi-carrier transmission

[0053] As mentioned above, multi-carrier is an important means for terminal devices or network devices to improve communication transmission rates. For example, in carrier aggregation (CA) or multi-connection (DC), the network device can configure multiple CCs for the terminal device to expand the transmission bandwidth and improve the transmission rate. As shown in Figure 2, the network device configures CC1 and CC2 for the terminal device based on the frequency band combination capabilities supported by the terminal device, where CC1 and CC2 are located in the same frequency band. Accordingly, the terminal device can perform uplink and / or downlink transmission based on CC1 and CC2 configured by the network device.

[0054] This scheme of signal transmission based on multiple CCs within the same frequency band is called intra-band multi-carrier transmission. The multiple CCs used for intra-band multi-carrier transmission may include multiple contiguous CCs within the band, or multiple CCs may include multiple non-contiguous CCs within the band, or multiple CCs may include partially contiguous CCs within the band and partially non-contiguous CCs within the band. This embodiment of the present application is not limited to this.

[0055] In addition, the sub-carrier space (SCS) of multiple CCs involved in the intra-band multi-carrier transmission can be the same. Of course, the SCS of the multi-carrier can be different. Figures 3 and 4 show the duration of the time domain unit when the sub-carrier spacing of multiple CCs in the band is the same and different. Among them, the time domain unit can be a time domain unit of time domain resources in the time domain. For example, the time domain unit can be a time slot, a symbol (also called a "time domain symbol"), a subframe, and so on. Accordingly, taking the time domain unit as a symbol as an example, the duration of the time domain unit can be the symbol length. For ease of understanding, the following is an introduction taking the time domain unit as a symbol as an example.

[0056] As shown in FIG3 , the multiple CCs within the frequency band include CC1 and CC2. At this time, if the subcarrier spacings of CC1 and CC2 are the same, the symbol lengths of the symbols corresponding to CC1 are the same.

[0057] As shown in Figure 4 , multiple CCs within a frequency band include CC1 and CC2. If CC1 and CC2 have different subcarrier spacings, the symbols corresponding to CC1 have different symbol lengths. For example, the symbol length of symbol 1 corresponding to CC1 is twice the symbol length of symbol 2 corresponding to CC2. In other words, the symbol length of symbol 1 corresponding to CC1 is the sum of the symbol lengths of symbols 2-1 and 2-2 corresponding to CC2.

[0058] Transmit Power Control for In-Band Multi-Carrier Transmission

[0059] For in-band multi-carrier transmission, the terminal device will use the same power amplifier (PA) for power amplification. If multiple CCs use the same SCS, and the time domain starting positions of the time domain units corresponding to the multiple CCs are the same, then the terminal device transmits the same signal on each CC during the entire time domain unit transmission (or, transmit power limit). The total power of the signals transmitted on multiple CCs also remains the same. At this time, the terminal device uses the same PA to amplify the power of the signals transmitted on multiple carriers. The transmit power limit is used to limit the transmit power of the signal, or in other words, the transmit power limit is used to control the transmit power of the signal. Usually, the actual transmit power of the signal is less than or equal to the transmit power limit.

[0060] If multiple CCs use different SCSs, even if the time domain starting positions of the time domain units corresponding to the multiple CCs are the same, during the transmission of the entire time domain unit (for example, the time domain unit with the longest duration among the time domain units corresponding to the multiple CCs), the total transmit power limit of the terminal device transmitting signals on multiple CCs needs to take into account the transmit power limits corresponding to the multiple carriers in different time domain units. For ease of understanding, the following takes the duration of the time domain units corresponding to the multiple carriers shown in Figure 4 as an example, combined with Figures 5 and 6 for introduction.

[0061] As shown in Figure 4, the time domain starting position of Symbol 1 is the same as the time domain starting position of Symbol 2. Since the symbol length of Symbol 1 corresponding to CC1 is the sum of the symbol lengths of Symbol 2-1 and Symbol 2-2 corresponding to CC2, the total transmit power limit of the terminal device during the duration corresponding to Symbol 1 must take into account the transmit power limits of the signal transmitted on Symbol 2-1 and the transmit power limits of the signal transmitted on Symbol 2-2.

[0062] As shown in Figure 5, assuming that the transmission power limit of the signal transmitted on symbol 1 is P1, and the transmission power limit P2 of the signal transmitted on symbol 2-1 is greater than the transmission power limit P3 of the signal transmitted on symbol 2-2, then in the time period t1 corresponding to symbol 2-1, the transmission power limit of the signal transmitted by the terminal device is P t1 =P1+P2, in the time period t2 corresponding to symbol 2-2, the transmission power limit of the terminal device transmission signal is P t2 =P1+P3, that is, in the time period t corresponding to symbol 1, the total transmission power limit of the terminal device transmission signal is reduced.

[0063] As shown in Figure 6, assuming that the transmission power limit of the signal transmitted on symbol 1 is P1, and the transmission power limit P4 of the signal transmitted on symbol 2-1 is less than the transmission power limit P5 of the signal transmitted on symbol 2-2, then in the time period t1 corresponding to symbol 2-1, the transmission power limit of the terminal device transmission signal is P t1 =P1+P4. In the time period t2 corresponding to symbol 2-2, the transmission power limit of the terminal device transmission signal is P t2 =P1+P5, that is, in the time period t corresponding to symbol 1, the total transmission power limit of the terminal device transmission signal is increased.

[0064] It should be noted that, in an embodiment of the present application, some of the multiple time domain units corresponding to the second carrier may not be used for signal transmission. In this case, the transmit power limit may also change. For example, continuing to refer to Figure 5, assuming that symbol 2-1 is not used for signal transmission, but symbol 2-2 is used for signal transmission, in this case, the transmit power limit in the time period corresponding to symbol 1 will also change. For another example, continuing to refer to Figure 5, assuming that symbol 2-2 is not used for signal transmission, but symbol 2-1 is used for signal transmission, in this case, the transmit power limit in the time period corresponding to symbol 1 will also change. For example, continuing to refer to Figure 6, assuming that symbol 2-1 is not used for signal transmission, but symbol 2-2 is used for signal transmission, in this case, the transmit power limit in the time period corresponding to symbol 1 will also change. For another example, continuing to refer to Figure 6, assuming that symbol 2-2 is not used for signal transmission, but symbol 2-1 is used for signal transmission, in this case, the transmit power limit in the time period corresponding to symbol 1 will also change.

[0065] Receive power adjustment for in-band multi-carrier transmission in side-by-side communication scenarios

[0066] In the sideline communication scenario, in addition to the situation where the total transmit power limit may change as described above in conjunction with Figures 5 and 6, there may also be a scenario where the receive power limit changes, where the receive power limit is used to limit the receive power of the signal, or in other words, the receive power limit is used to control the receive power of the signal, for example, the receive power of the signal is less than or equal to the receive power limit.

[0067] If multiple CCs use different SCSs, even if the time domain starting positions of the time domain units corresponding to the multiple CCs are the same, during the transmission of the entire time domain unit (for example, the time domain unit with the longest duration among the time domain units corresponding to the multiple CCs), the total power limit of the terminal device transmitting signals on multiple CCs needs to take into account the receiving power limit of the signals transmitted by multiple carriers on different time domain units. For ease of understanding, the following takes the duration of the time domain units corresponding to the multiple carriers shown in Figure 4 as an example, combined with Figures 7 and 8 for introduction.

[0068] As shown in Figure 4, the time domain starting position of Symbol 1 is the same as the time domain starting position of Symbol 2. Since the symbol length of Symbol 1 corresponding to CC1 is the sum of the symbol lengths of Symbol 2-1 and Symbol 2-2 corresponding to CC2, the total received power limit of the terminal device's transmitted signal within the duration corresponding to Symbol 1 must take into account the received power limits of the signal transmitted on Symbol 2-1 and the received power limits of the signal transmitted on Symbol 2-2.

[0069] As shown in FIG7 , it is assumed that the received power limit of the signal transmitted on symbol 1 is P a, and the received power limit of the signal transmitted on symbol 2-1 is P c Greater than the received power limit P of the signal transmitted on symbol 2-2 b , then in the time period t1 corresponding to symbol 2-1, the receiving power limit of the terminal device transmission signal is P ta =P a +P b , in the time period t corresponding to symbol 2-2 b The receiving power limit of the terminal device transmission signal is P tb =P a +P c , that is to say, in the time period t corresponding to symbol 1, the total receiving power limit of the terminal device transmission signal is reduced.

[0070] As shown in FIG8 , it is assumed that the received power limit of the signal transmitted on symbol 1 is P a , and the received power limit of the signal transmitted on symbol 2-1 is P d Less than the received power limit P of the signal transmitted on symbol 2-2 e , then in the time period t corresponding to symbol 2-1 a The receiving power limit of the terminal device transmission signal is P ta =P a +P d , in the time period t2 corresponding to symbol 2-2, the receiving power limit of the terminal device transmission signal is P tb =P a +P e , that is to say, in the time period t corresponding to symbol 1, the total receiving power limit of the terminal device transmission signal is increased.

[0071] It should be noted that, in an embodiment of the present application, some of the multiple time domain units corresponding to the second carrier may not be used for signal transmission. In this case, the receive power limit may also change. For example, continuing to refer to Figure 7, assuming that symbol 2-1 is not used for signal transmission, but symbol 2-2 is used for signal transmission, in this case, the receive power limit in the time period corresponding to symbol 1 will also change. For another example, continuing to refer to Figure 7, assuming that symbol 2-2 is not used for signal transmission, but symbol 2-1 is used for signal transmission, in this case, the receive power limit in the time period corresponding to symbol 1 will also change. For example, continuing to refer to Figure 8, assuming that symbol 2-1 is not used for signal transmission, but symbol 2-2 is used for signal transmission, in this case, the receive power limit in the time period corresponding to symbol 1 will also change. For another example, continuing to refer to Figure 8, assuming that symbol 2-2 is not used for signal transmission, but symbol 2-1 is used for signal transmission, in this case, the receive power limit in the time period corresponding to symbol 1 will also change.

[0072] Based on the above introduction in combination with Figures 4 to 8, it can be seen that if the subcarrier spacing of multiple CCs is different, or in other words, the duration of the time domain units corresponding to CCs with different subcarrier spacings is different, the time domain unit corresponding to a certain CC will overlap with the time domain units corresponding to multiple other CCs in the time domain. At this time, within the time domain unit corresponding to a certain CC (for example, the time domain unit with the longest duration among the time domain units corresponding to multiple CCs), the total transmission power limit or the total reception power limit of the transmitted signal may change, and this change may affect the signal transmission performance.

[0073] On the one hand, the traditional transmission power adjustment mechanism stipulates that the terminal device can complete the setting of the transmission power on multiple CCs based on the total transmission power limit at the beginning of a time domain unit, and the transmission power remains unchanged within the time domain unit. According to this transmission power adjustment mechanism, in the time domain unit corresponding to multiple CCs, the terminal device can only set the transmission power at the beginning of the time domain unit, and use the set transmission power to send signals in the time domain units corresponding to multiple CCs. In other words, the transmission power in the time domain units corresponding to multiple CCs is a fixed value. This solution with a fixed transmission power value cannot match the changing total transmission power limit shown in Figures 5 and 6, resulting in a decrease in signal transmission performance.

[0074] As shown in Figure 5, at the time domain starting position of the time domain unit, the terminal device can set the transmission power of CC1 and CC2 according to the total transmission power limit of time domain unit 1 and time domain unit 2-1. Although the transmission power limit of CC2 is reduced in time domain unit 2-1, so that the total transmission power limit corresponding to CC1 and CC2 is reduced, the terminal device can no longer reduce the transmission power. At this time, the PA of the terminal device still amplifies in time domain unit 2-2 according to the amplification gain during time domain unit 2-1, and ultimately the transmission power in time domain unit 2-2 may be greater than the transmission power limit corresponding to time domain unit 2-1, which will cause signal peak clipping and / or poor signal linearity, thereby reducing the signal quality.

[0075] As shown in Figure 6, at the time domain starting position of the time domain unit, the terminal device can set the transmission power of CC1 and CC2 according to the total transmission power limit of time domain unit 1 and time domain unit 2-1. Although the transmission power limit of CC2 in time domain unit 2-1 is increased, so that the total transmission power limit corresponding to CC1 and CC2 is increased, the terminal device can no longer increase the transmission power of the signal transmitted in symbol 2-2. At this time, the PA of the terminal device in time domain unit 2-2 is still amplified according to the amplification gain during time domain unit 2-1, which ultimately results in a smaller transmission power in time domain unit 2-2, reducing the signal-to-noise ratio of the signal at the receiving end, and thereby reducing the success rate of the receiving end in demodulating and / or decoding the signal.

[0076] On the other hand, for the receiving terminal, before receiving the sideline information, it needs to first measure the strength of the received signal and adjust the amplification gain of its receiver (i.e., perform automatic gain control (AGC)) so that the demodulated signal is at a relatively constant value for the analog-to-digital conversion (ADC) module to perform sampling and digital quantization processing. The traditional receiving power adjustment mechanism stipulates that the AGC process of the terminal device needs to be completed before the terminal device receives the sideline signal (i.e., the useful signal) and remains unchanged during the reception of the useful signal symbol. According to this receiving power adjustment mechanism, within the time domain unit corresponding to multiple CCs, the terminal device can only set the receiving power at the beginning of the time domain unit and use the set receiving power for signal reception within the time domain units corresponding to multiple CCs. This receiving power setting method can be understood as using a fixed receiving power within the time domain units corresponding to multiple CCs. This solution using a fixed receiving power cannot match the changing total receiving power limit shown in Figures 7 and 8, resulting in a decrease in signal transmission performance.

[0077] As shown in Figure 7, at the time domain starting position of the time domain unit, the terminal device can set the receiving power of CC1 and CC2 according to the total receiving power limit of time domain unit 1 and time domain unit 2-1. Although the receiving power limit of CC2 is reduced in time domain unit 2-1, so that the total receiving power limit corresponding to CC1 and CC2 is reduced, the receiving terminal can no longer reduce the receiving power. At this time, the PA of the receiving terminal is still in time domain unit 2-2 according to the AGC determined during time domain unit 2-1, which ultimately makes the receiving power in time domain unit 2-2 larger. In other words, the signal received in time domain unit 2-2 has too large amplification gain, which may cause the ADC sampling conversion output signal-to-noise ratio to deteriorate, thereby reducing the success rate of the receiving end in demodulating and / or decoding the signal.

[0078] As shown in Figure 8, at the time domain starting position of the time domain unit, the terminal device can set the receiving power of CC1 and CC2 according to the total receiving power limit of time domain unit 1 and time domain unit 2-1. Although the receiving power limit of CC2 in time domain unit 2-1 is increased, the total receiving power limit corresponding to CC1 and CC2 is increased, and the receiving terminal can no longer increase the receiving power. At this time, the PA of the receiving terminal is still in time domain unit 2-2 according to the AGC determined during time domain unit 2-1, which ultimately makes the receiving power in time domain unit 2-2 smaller. In other words, the signal received in time domain unit 2-2 has an amplification gain that is too small, which may cause the ADC sampling conversion output signal-to-noise ratio to deteriorate, thereby reducing the success rate of the receiving end in demodulating and / or decoding the signal.

[0079] Therefore, to address the above-mentioned issues, an embodiment of the present application provides a wireless communication method. In this method, a target time period can be set in the time domain units corresponding to multiple CCs. This target time period can be used to adjust the target power of the signal. This can increase the target power of the signal transmitted within the time domain units corresponding to the multiple CCs, thereby helping to improve the signal transmission performance. For ease of understanding, the wireless communication method of an embodiment of the present application is described below in conjunction with Figure 9. The wireless communication method shown in Figure 9 includes step S910.

[0080] In step S910, the terminal device receives or sends a signal through multiple CCs. The signal may be a signal transmitted between the terminal device and a network device (as an example of a target device), for example, the terminal device receives a signal sent by the network device through multiple CCs. For another example, the network device sends a signal to the terminal device through multiple CCs. Of course, in an embodiment of the present application, the above-mentioned signal may also be a signal transmitted between the terminal device and other terminal devices (as an example of a target device), for example, a signal sent by the terminal device to other terminals through multiple CCs. For another example, a signal sent by other terminals to the terminal device through multiple CCs.

[0081] In some implementations, the durations of time domain units corresponding to some or all of the carriers in the multiple CCs are different, or in other words, the subcarrier spacings of some or all of the CCs in the multiple CCs are different.

[0082] In some implementations, the time domain units corresponding to some or all of the multiple carriers overlap in the time domain. For example, the multiple carriers include a first carrier and a second carrier, the first carrier corresponds to a first time domain unit, and the second carrier corresponds to a second time domain unit, wherein the duration of the first time domain unit partially or completely overlaps with the durations of the multiple second time domain units, and the duration of the first time domain unit is greater than the duration of the second time domain units.

[0083] The duration of the first time domain unit and the duration of the multiple second time domain units all overlap, which can be understood as that the duration of the first time domain unit includes the duration of the multiple second time domain units. Continuing with Figure 4, the first carrier may be, for example, CC1, and the second carrier may be, for example, CC2. CC1 corresponds to symbol 1, and CC2 corresponds to symbol 2. Accordingly, symbol 1 overlaps with multiple symbols 2 (i.e., symbol 2-1 and symbol 2-2) in the time domain, that is, the duration corresponding to symbol 1 includes the duration of two symbols 2.

[0084] The duration of the first time domain unit partially overlaps with the duration of multiple second time domain units. It can be understood that the duration of the first time domain unit includes part of the duration of multiple second time domain units. Referring to Figure 10, the first carrier can be, for example, CC3, and the second carrier can be, for example, CC4. CC3 corresponds to symbol 3, and CC4 corresponds to symbol 4. Accordingly, symbol 3 overlaps with multiple symbols 4 in the time domain, that is, the duration corresponding to symbol 3 includes the duration of the first symbol 4 (i.e., symbol 4-1) and part of the duration of the second symbol 4 (i.e., symbol 4-2).

[0085] It should be noted that the starting positions of the first time domain unit and the second time domain unit in the time domain are the same, or the starting positions of the first time domain unit and the second time domain unit in the time domain are different, which is not limited in the embodiment of the present application.

[0086] In addition, when introducing the time domain position between the time domain unit corresponding to the first carrier and the time domain unit corresponding to the second carrier above, the number of time domain units corresponding to the second carrier is 2 as an example for explanation, and this embodiment of the present application is not limited to this. The number of time domain units corresponding to the above-mentioned second carrier can also be other numbers. For example, in the time domain, the time domain unit corresponding to the first carrier can overlap with the time domain units corresponding to the three second carriers.

[0087] In some implementations, the time domain units corresponding to the multiple carriers include a target time period, which is used to adjust the target power of the signal, where the target power may include transmit power and / or receive power. In the embodiments of the present application, the target time period can be represented by a time window, and therefore, the target time period can also be referred to as a "power adjustment time window (power adjust period)."

[0088] The following describes the time domain position of the target time period in an embodiment of the present application. In some implementations, the time domain position of the target time period can be determined based on the adjacent time domain boundary position between two second time domain units in a plurality of second time domain units, or in other words, the time domain position of the target time period is set so that the target time period includes the time corresponding to the adjacent time domain boundary position between the two second time domain units. For ease of description, the two second time domain units that are adjacent in time domain will be referred to as "third time domain unit" and "fourth time domain unit" below, and the third time domain unit is earlier than the fourth time domain unit in time domain.

[0089] Correspondingly, the time domain boundary position adjacent to the third time domain unit and the fourth time domain unit mentioned above can be referred to as the "first time domain position". In some implementations, the first time domain position can be determined based on the time domain end position of the third time domain unit and / or the time domain start position of the fourth time domain unit. For example, the first time domain position can be the time domain end position of the third time domain unit. For another example, the first time domain position can be determined based on the time domain end position of the third time domain unit and the time domain offset value. For another example, the first time domain position can be the time domain start position of the fourth time domain unit. For another example, the first time domain position can be determined based on the time domain start position of the fourth time domain unit and the time domain offset value. The time domain offset value can be predefined, preconfigured, or configured by the network device.

[0090] In the embodiments of the present application, the time domain position of the target time period is not limited. The time domain position of the target time period can be the time domain starting position, time domain ending position, center time domain position, etc. of the target time period. Of course, the time domain position of the target time period can also be any time domain position of the target time period.

[0091] For ease of understanding, the following takes the transmission power limit change method shown in Figure 5 as an example, and combines Figures 11 to 13 to introduce the time domain position of the target time period in the embodiment of the present application. It should be noted that the setting of the target time period in the embodiment of the present application can also be applied to the power limit change scenarios shown in Figures 6 to 8. For the sake of brevity, they will not be described one by one below. Assume that the first time domain unit is symbol 1, the third time domain unit is symbol 2-1, and the fourth time domain unit is symbol 2-2.

[0092] 11 , taking the time domain position of the target time unit as the time domain start position 1110 as an example, the time domain start position 1110 may be the time domain end position of symbol 2-1. Continuing to refer to FIG11 , taking the time domain position of the target time unit as the time domain start position 1110 as an example, the time domain start position 1110 may be the time domain start position of symbol 2-2.

[0093] 12 , taking the time domain position of the target time unit as the time domain end position 1210 as an example, the time domain end position 1210 may be the time domain end position of symbol 2-1. Continuing with FIG12 , taking the time domain position of the target time unit as the time domain end position 1210 as an example, the time domain end position 1210 may be the time domain start position of symbol 2-2.

[0094] 13 , taking the time domain position of the target time unit as the center time domain position 1310 as an example, the center time domain position 1310 may be the time domain end position of symbol 2-1. Continuing with FIG13 , taking the time domain position of the target time unit as the center time domain position 1310 as an example, the center time domain position 1310 may be the time domain start position of symbol 2-2.

[0095] Of course, in the embodiment of the present application, the time domain position of the target time period can also be determined based on the time domain starting position of the third time domain unit. For example, the time domain position of the target time period is the time domain position after the time domain starting position of the third time domain unit is shifted in the direction of increasing time by a time domain offset value of 1. For another example, the time domain position of the target time period is the time domain position after the time domain ending position of the fourth time domain unit is shifted in the direction of decreasing time by a time domain offset value of 2. The time domain offset value 1 or the time domain offset value 2 can be predefined by the protocol, configured by the network device, or preconfigured.

[0096] In an embodiment of the present application, the time domain position of the target time period is determined based on one or more of the following information: predefined information; preset rules; configuration information; information used to indicate the time domain position of the target time period recommended by the terminal device.

[0097] Taking the case where the time domain position of the target time period is determined based on predefined information as an example, the time domain position of the target time period can be determined based on, for example, predefined information of a communication protocol.

[0098] In some implementations, the predefined information may indicate that the target time period is within the previous second time domain unit of two adjacent second time domain units, or in other words, the predefined information may indicate that the time domain end position of the target time period is the time domain end position of the previous second time domain unit of the two adjacent second time domain units. Taking the scenario shown in FIG4 as an example, the predefined information may indicate that the time domain end position of the target time period is the time domain end position of symbol 2-1.

[0099] In other implementations, the predefined information may indicate that the target time period is within the second time domain unit that is the next of two adjacent second time domain units, or in other words, the predefined information may indicate that the time domain starting position of the target time period is the time domain starting position of the second time domain unit that is the next of the two adjacent second time domain units. Taking the scenario shown in FIG4 as an example, the predefined information may indicate that the time domain starting position of the target time period is the time domain starting position of symbol 2-2.

[0100] Taking the case where the time domain location of the target time period is determined based on a preset rule as an example, the preset rule is used to indicate the time domain location of the target time period. In addition, in the embodiments of the present application, there is no limitation on the method for obtaining the preset rule, and the preset rule can be predefined, preconfigured, or indicated by a network device.

[0101] In some implementations, the preset rule may be associated with the priority of the service transmitted in the second time domain unit. For example, the preset rule is used to indicate that the target time period is within time domain unit 1, wherein time domain unit 1 is a time domain unit with a lower service priority than the services transmitted in the multiple second time domain units, or in other words, the preset rule is used to indicate that the time domain end position of the target time period is the time domain end position of time domain unit 1. Of course, in an embodiment of the present application, the preset rule is used to indicate that the time domain end position of the target time period is the time domain end position of time domain unit 2, wherein time domain unit 2 is a time domain unit with a higher service priority than the services transmitted in the multiple second time domain units.

[0102] In some implementations, the preset rule may be associated with the target power (transmit power and / or receive power) of the signal transmitted in the second time domain unit. For example, the preset rule is used to indicate that the target time period is within time domain unit 3, wherein time domain unit 3 is a time domain unit with a lower target power for the signal transmitted in the plurality of second time domain units, or in other words, the preset rule is used to indicate that the time domain end position of the target time period is the time domain end position of time domain unit 3. Of course, in an embodiment of the present application, the preset rule is used to indicate that the time domain start position of the target time period is the time domain start position of time domain unit 4, wherein time domain unit 4 is a time domain unit with a higher target power for the signal transmitted in the plurality of second time domain units.

[0103] Of course, in the embodiments of the present application, the preset rules are not specifically limited. For example, the preset rules may also be associated with a quality of service (QoS) parameter associated with the data. For example, the preset rules are used to indicate that the time domain end position of the target time period is the time domain end position of time domain unit 5, where time domain unit 5 may be a time domain unit with a lower QoS requirement (e.g., a longer latency requirement) associated with the data transmitted in the multiple second time domain units. Alternatively, time domain unit 5 may be a time domain unit with a higher QoS requirement (e.g., a lower latency requirement) associated with the data transmitted in the multiple second time domain units.

[0104] For another example, the preset rules introduced above can also be used in combination with each other. Taking the association of the preset rules with the priority of the service transmitted in the second time domain unit and the target power of the signal transmitted in the second time domain unit as an example, the preset rules are used to indicate that the target time period is within time domain unit 6, wherein time domain unit 6 is a time domain unit in which the service priority of the service transmitted in multiple second time domain units is lower and the target power of the transmitted signal is lower.

[0105] The time domain position of the target time period is determined based on configuration information, and the configuration information is used to configure the time domain position of the target time period for the terminal device. In some implementations, the configuration information may be sent by a network device. For example, the configuration information may be carried in one or more of the following information: radio resource control (RRC) signaling, medium access control control element (MAC CE), and downlink control information (DCI).

[0106] The time domain location of the target time period is determined based on information indicating the time domain location of the target time period recommended by the terminal device. Alternatively, the time domain location of the target time period can be determined based on information indicating the time domain location of the target time period expected by the terminal device. For example, the terminal device can send indication information 1 to the network device to indicate the time domain location of the target time period expected by the terminal device. Accordingly, the network device can determine the time domain location of the target time period based on the time domain location of the target time period expected by the terminal device. The network device can then configure the determined time domain location of the target time period for the terminal device.

[0107] It should be noted that, based on the time domain position of the target time period expected by the terminal device, determining the time domain position of the target time period may, for example, include determining the time domain position of the target time period expected by the terminal device as the time domain position of the target time period, or may include adjusting the time domain position of the target time period expected by the terminal device as the initial position, and determining the adjusted time domain position as the time domain position of the target time period.

[0108] The above describes the temporal location of the target time period in the embodiments of the present application. The following describes the method for determining the duration of the target time period in the embodiments of the present application. It should be understood that in the embodiments of the present application, the device for determining the duration of the target time period is not limited. For example, the device can be a network device and / or a terminal device.

[0109] In some implementations, the duration of the target time period is determined based on one or more of: the subcarrier spacing of the first carrier; the subcarrier spacing of the second carrier; and candidate durations of the target time period supported by the terminal device.

[0110] Taking the determination of the duration of the target time period based on the subcarrier spacing of the first carrier as an example, in some implementations, the duration of the target time period associated with the first carrier can be determined based on the association relationship between the subcarrier spacing and the duration of the target time period. For example, if the association relationship indicates that the subcarrier spacing is 15 kilohertz (kHz), the duration of the corresponding target time period can be X microseconds (us). Accordingly, if the subcarrier spacing of the first carrier is 15 kHz, the duration of the target time period corresponding to the first carrier can be X us. For another example, if the association relationship indicates that the subcarrier spacing is 30 kHz, the duration of the corresponding target time period can be Y us. Accordingly, if the subcarrier spacing of the first carrier is 30 kHz, the duration of the target time period corresponding to the first carrier can be Y us.

[0111] Taking the determination of the duration of the target time period based on the subcarrier spacing of the second carrier as an example, in some implementations, the duration of the target time period associated with the second carrier can be determined based on the association relationship between the subcarrier spacing and the duration of the target time period. For example, if the association relationship indicates that the subcarrier spacing is 15 kHz, the duration of the corresponding target time period can be X us. Correspondingly, if the subcarrier spacing of the second carrier is 15 kHz, the duration of the target time period corresponding to the second carrier can be X us. For another example, if the association relationship indicates that the subcarrier spacing is 30 kHz, the duration of the corresponding target time period can be Y us. Correspondingly, if the subcarrier spacing of the second carrier is 30 kHz, the duration of the target time period corresponding to the second carrier can be Y us.

[0112] Of course, in the embodiment of the present application, the duration of the target time period may also be determined by the subcarrier spacing of the first carrier and the subcarrier spacing of the second carrier. In some implementations, the duration of the target time period associated with the second carrier and the first carrier may be determined based on the association between the subcarrier spacing and the duration of the target time period.

[0113] For example, if the association relationship indicates that the subcarrier spacing is 15khz and 30khz, the duration of the corresponding target time period can be X us. Accordingly, if the subcarrier spacing of the first carrier is 15khz and the subcarrier spacing of the second carrier is 30khz, the duration of the target time period corresponding to the second carrier and the first carrier can be X us.

[0114] For another example, if the association relationship indicates that the subcarrier spacing is 15khz and 60khz, the duration of the corresponding target time period can be Yus. Accordingly, if the subcarrier spacing of the first carrier is 15khz and the subcarrier spacing of the second carrier is 60khz, the duration of the target time period corresponding to the second carrier and the first carrier can be Yus.

[0115] Taking the determination of the target time period duration based on candidate target time period durations supported by the terminal device as an example, in some implementations, the network device may determine the target time period duration based on the candidate target time period durations. The candidate target time period duration may be replaced with the target time period duration desired by the terminal device. Furthermore, the candidate target time period durations may include one or more target time period durations, which is not limited in this embodiment of the present application.

[0116] For example, the candidate durations supported by the terminal device are set A: {A us, Bus, Cus}. Accordingly, the network device may select a candidate duration from set A as the duration of the target time period.

[0117] In the embodiments of the present application, the transmission method of the candidate durations is not limited. In some implementations, the terminal device may report the candidate durations via terminal capabilities. In other words, the terminal device capability information may include candidate durations for target device time periods supported by the terminal device. Of course, in the embodiments of the present application, the candidate durations may be configured by the network device for the terminal device.

[0118] It should be noted that if the above-mentioned candidate duration is reported through the capability information of the terminal device, the terminal device capability information can also be used to indicate that the terminal device supports the first feature, wherein the first feature includes adjusting the target power within the target time period. In other words, the candidate duration in the terminal device capability information can be used to indirectly indicate that the terminal device supports the first feature. Of course, in an embodiment of the present application, the terminal device can also indicate (or directly indicate) that the terminal device supports the first feature through separate signaling. The separate signaling can be other terminal device capability information that is different from the terminal device capability information carrying the candidate duration.

[0119] The above describes a method for determining the duration of a target time period, and the following describes a method for configuring and / or activating a target time period in an embodiment of the present application. In some implementations, the configuration and / or activation of the target time period is determined based on a first condition. Among them, the configuration of the target time period is determined based on the first condition, and it can be understood that if the first condition is met, the network device configures the target time period for the terminal device. The activation of the target time period is determined based on the first condition, and it can be understood that if the first condition is met, the network device activates the configured target time period for the terminal device. That is to say, the network device can first configure one or more available target time periods for the terminal device, and then if the first condition is met, the network device can send an activation indication to the terminal device to indicate the activation of one or more available target time periods in the configured available time period as the target time period.

[0120] In some implementations, the first condition includes one or more of the following: the target power of the signal transmitted in two adjacent second time domain units in the time domain is different; the subcarrier spacing of the first carrier is different from the subcarrier spacing of the second carrier; the duration of the first time domain unit is different from the duration of the second time domain unit.

[0121] Taking the first condition including the target power of the signal transmitted in two second time domain units adjacent in the time domain as an example, that is, if the target power of the signal transmitted in two second time domain units adjacent in the time domain is different, then configure and / or activate the target time period, and / or, if the transmission power limit of the signal transmitted in two second time domain units adjacent in the time domain is different, then configure and / or activate the target time period, or, if the receiving power limit of the signal transmitted in two second time domain units adjacent in the time domain is different, then configure and / or activate the target time period.

[0122] Taking the scenario shown in FIG4 as an example, if the transmission power limit of symbol 2-1 is different from the transmission power limit of symbol 2-2, the network device configures a target time period for the terminal device, or the network device activates a configured available target time period for the terminal device.

[0123] Taking the first condition including that the subcarrier spacing of the first carrier is different from the subcarrier spacing of the second carrier as an example, that is, if the subcarrier spacing of the first carrier is different from the subcarrier spacing of the second carrier, the target time period is configured and / or activated.

[0124] Taking the scenario shown in FIG4 as an example, if the subcarrier spacing of CC1 is different from the subcarrier spacing of CC2, the network device configures a target time period for the terminal device, or the network device activates a configured available target time period for the terminal device.

[0125] Taking the first condition including that the duration of the first time domain unit is different from the duration of the second time domain unit as an example, that is, if the duration of the first time domain unit is different from the duration of the second time domain unit, the target time period is configured and / or activated.

[0126] Taking the scenario shown in FIG4 as an example, if the duration of symbol 1 is different from the duration of symbol 2-1, the network device configures a target time period for the terminal device, or the network device activates a configured available target time period for the terminal device.

[0127] It should be noted that the examples of the first condition above can be used alone or in combination with each other. For example, if the first condition includes that the subcarrier spacing of the first carrier is different from the subcarrier spacing of the second carrier, and the transmit power limits of the signals transmitted in two adjacent second time domain units in the time domain are different, then if the first condition above is met, the network device can configure a target time period for the terminal device, or the network device can activate a configured available target time period for the terminal device.

[0128] For another example, if the duration of the first time domain unit is different from the duration of the second time domain unit, and the transmission power limits of the signals transmitted in the two adjacent second time domain units in the time domain are different, then the above-mentioned first condition is met, and the network device can configure a target time period for the terminal device, or the network device can activate a configured available target time period for the terminal device.

[0129] As previously described, the above-mentioned determination process based on whether the first condition is met can be performed by the terminal device. In some implementations, if the terminal device determines that the first condition is met, the terminal device can send a request to the network device to request the network device to configure a target time period for the terminal device, or to request the network device to activate the target time period for the terminal device. Of course, in embodiments of the present application, the terminal device may not request the network device, but rather the network device and the terminal device jointly determine whether the first condition is met. If the first condition is met, the network device can proactively configure and / or activate the target time period for the terminal device.

[0130] As introduced above, in some scenarios, the network device and / or the terminal device needs to know whether the power limits (transmit power limits and / or receive power limits) of the signals transmitted in the two second carriers adjacent in the time domain are different. For example, when the first condition includes that the power limits (transmit power limits and / or receive power limits) of the signals transmitted in the two second time domain units adjacent in the time domain are different, the network device and / or the terminal device needs to know whether the power limits (transmit power limits and / or receive power limits) of the signals transmitted in the two second time domain units adjacent in the time domain are different. The method of obtaining the power limit change is different depending on whether the power limit is a transmit power limit or a receive power limit. The following will introduce them in combination with scenarios 1 to 3 respectively.

[0131] Scenario 1: Transmit power adjustment scenario.

[0132] For transmit power adjustment, the terminal device transmits signals on the first carrier and the second carrier. And within the time domain units corresponding to the first carrier and the second carrier, the transmit power limit of the transmitted signal of the terminal device is scheduled by the network device. At this time, the network device and the terminal device can determine the transmit power limit corresponding to each time domain unit based on the transmit power limit scheduled by the network device. That is to say, if multiple carriers are used to send signals and the target power is the transmit power, then the change in the transmit power limit of the signal transmitted on multiple second time domain units is determined based on the transmit power limit scheduled by the network device, or, in other words, the change in the transmit power of the signal transmitted on multiple second time domain units is determined based on the transmit power scheduled by the network device. Among them, the network device can, for example, schedule the transmit power through the physical downlink control channel (PDCCH).

[0133] Figure 14 is a schematic diagram of transmit power scheduling in an embodiment of the present application. Referring to Figure 14, taking the target time period shown in Figure 11 as an example, the network device sends a PDCCH to the terminal device to indicate the transmit power limits associated with symbol 1 of CC1 and symbols 2-1 and 2-2 of CC2. Accordingly, based on the indication of the PDCCH, the terminal device can determine that the total transmit power limit will drop from P1+P2 to P1+P3 at the transition moment from time period t1 to time period t2. Accordingly, the network device can configure a target time period for the terminal device so that the terminal device adjusts the total transmit power limit from P1+P2 to P1+P3 within the target time period.

[0134] Scenario 2: Receive power adjustment scenario.

[0135] For ease of understanding, the following first describes a scenario of receiving signals on the first carrier and the second carrier in conjunction with Figure 15. Figure 15 is a schematic diagram of sidelink signal transmission between multiple terminal devices.

[0136] Currently, the transmission power of a sidelink signal (e.g., a physical sidelink feedback channel (PSFCH)) is determined based on the downlink path loss (DL path loss) between the terminal device and the network device, and the number of transmission resources (e.g., resource blocks (RBs)) used to transmit the sidelink signal. Assume that on symbol 1 corresponding to CC1, terminal 1 transmits sidelink signal 1 to terminal 0. On symbol 2-1 corresponding to CC2, terminal 2 transmits sidelink signal 2 to terminal 0. Furthermore, the distance between terminal 1 and terminal 0 is equal to the distance between terminal 2 and terminal 0. As shown in FIG15 , since the distance between terminal 1 and network device 110 is smaller than the distance between terminal 2 and network device 110, the downlink propagation loss 1 of terminal 1 is smaller than the downlink propagation loss 2 of terminal 2, and accordingly, the transmission power of terminal 1 is also smaller than the transmission power of terminal 2. Although the distance between terminal 1 and terminal 0 is equal to the distance between terminal 2 and terminal 0, since the transmission power of side signal 2 transmitted by terminal 2 is greater than the transmission power of side signal 1 transmitted by terminal 1, the reception power of side signal 2 received by terminal 0 is greater than the reception power of side signal 1 received.

[0137] The following continues to introduce the side signal transmission on multiple second time domain units in the above scenario. There are two situations based on whether the signals transmitted on multiple second time domain units come from the same transmitting terminal, which are introduced below in combination with scenario 2-1 and scenario 2-2. Scenario 2-1 mainly introduces the adjustment scheme of the receiving power when the side signals transmitted on multiple second time domain units come from the same transmitting terminal. Scenario 2-2 mainly introduces the adjustment scheme of the transmitting power when the side signals transmitted on multiple second time domain units come from different transmitting terminals.

[0138] Scenario 2-1, if the sidelink signals transmitted on multiple second time domain units come from the same transmitting terminal, the adjustment of the received power of the signal in the target time period is based on the AGC adjustment result associated with the first time domain unit (also called "AGC result"). In other words, if multiple carriers are used to send signals, and the transmitting end of the signals transmitted in multiple second time domain units is the same, the adjustment of the received power of the signal in the target time period is based on the AGC adjustment result associated with the first time domain unit. Taking the first time domain unit as a symbol as an example, the AGC adjustment result associated with the first time domain unit can be obtained at the time domain starting position of the time slot where the first time domain unit is located (for example, the AGC symbol).

[0139] For ease of understanding, the following takes the change in the receiving power limit shown in Figure 6 as an example, and describes the adjustment method of the receiving power in the embodiment of the present application in combination with Figure 16. As shown in Figure 16, it is assumed that the side signal is transmitted on time slot 1, and time slot 1 contains an AGC symbol, symbol 1 corresponding to CC1, symbol 2-1 and symbol 2-2 corresponding to CC2, wherein symbol 1, symbol 2-1 and symbol 2-2 are used to transmit the side signal. Before receiving the side signal, terminal 0 will perform AGC power adjustment within the AGC symbol to ensure that the amplification gain of the receiver link meets the requirements. Usually, terminal 0 will measure the signal strength of the side signal on the AGC symbol, and set the amplification gain of the AGC based on the signal strength. Among them, the AGC adjustment result determined in the AGC symbol in time slot 1 is the AGC adjustment result associated with symbol 1.

[0140] As described above, the transmit power of a sidewalk signal is associated with the number of transmission resources occupied by the sidewalk signal, where transmission resources may include one or more of time domain resources, frequency domain resources, and spatial domain resources. Therefore, in some scenarios, the adjustment of the received power of the signal during the target time period may be determined based on the difference in the number of transmission resources occupied by signals transmitted over multiple second time domain units.

[0141] Taking the communication scenario shown in Figure 15 as an example, and continuing to refer to Figure 16, assuming that the position of terminal 2 does not change significantly (for example, terminal 2 is not in high-speed motion), the transmission power of the side signal transmitted by terminal 2 on symbol 2-1 and symbol 2-2 can be considered to be only affected by the number of RBs occupied by the side signal. At this time, the change in the transmission power of the side signal transmitted by terminal 2 on symbol 2-1 and symbol 2-2 can be predicted. For example, terminal 0 can first determine the difference in the number of RBs occupied by the side signal transmitted by terminal 2 on symbol 2-1 and symbol 2-2, respectively. Then, based on the difference in the number of RBs, terminal 0 can obtain the receiving power difference between the receiving power limit on symbol 2-1 and the receiving power limit on symbol 2-2. Finally, terminal 0 can perform AGC adjustment based on the receiving power difference within the target time period.

[0142] It should be noted that the adjustment of the received power within the target time period can be performed by means of the measurement results of the AGC symbols in the traditional solution to perform gain adjustment. For example, the receiving terminal can complete the adjustment of the AGC gain within the target time period based on the above-mentioned received power difference. Therefore, during the adjustment process of the received power within the target time period, the receiving terminal can no longer measure the received signal power strength to adjust its AGC gain, but directly adjust it based on the signal measurement results on the AGC symbols and the AGC adjustment results on the AGC symbols. Since there is no need to measure the signal within the target time period, it helps to shorten the time required to adjust the AGC gain within the target time period. Of course, in the embodiment of the present application, the receiving terminal can re-measure the received signal power strength within the target time period and adjust its AGC gain based on the signal strength, and the embodiment of the present application is not limited to this.

[0143] Scenario 2-2: If the side signals transmitted on multiple second time domain units come from different transmitting terminals, in this scenario, since the positions of multiple transmitting terminals are difficult to predict, the transmission power limit and the receiving power limit of the signals on the first time domain unit and multiple second time domain units cannot be known in advance, resulting in the inability to adjust the receiving power within the target time period to receive the side signals transmitted on the next second time domain unit.

[0144] Taking the scenario shown in Figure 15 as an example, the transmitting terminals include Terminal 1, Terminal 2, and Terminal 3. Terminal 1 occupies Symbol 1 on CC1 to transmit sidelink signal 1, Terminal 2 occupies Symbol 2-1 on CC2 to transmit sidelink signal 2, and Terminal 3 occupies Symbol 2-2 on CC2 to transmit sidelink signal 3. In this scenario, because the locations of Terminals 2 and 3 are difficult to predict, the transmit power limit of Terminal 1 on Symbol 1, the transmit power limit of Terminal 2 on Symbol 2-1, and the receive power limit of the receiving terminal (Terminal 0) cannot be known in advance. As a result, the receive power cannot be adjusted within the target time period to receive the sidelink signal transmitted on Symbol 2-2.

[0145] Therefore, in response to the above problem, an embodiment of the present application proposes a power adjustment scheme. For the sake of convenience of description, two time domain units that are adjacent in the time domain among the multiple second time domain units are referred to as the fifth time domain unit and the sixth time domain unit, wherein the sixth time domain unit is earlier than the fifth time domain unit. Accordingly, in an embodiment of the present application, the transmit power of the signal transmitted in the fifth time domain unit can be adjusted based on the transmit power limit of the signal in the sixth time domain unit within the target time period, so that the received power of the side signal in the fifth time domain unit is similar to the received power in the sixth unit, which helps to improve the performance of the signal transmitted in the fifth time domain unit. Among them, since the received power of the signal in the sixth unit can be adjusted according to the traditional AGC adjustment process, the transmit power limit of the signal transmitted in the sixth time domain unit is matched with the receive power limit of the receiving terminal. Accordingly, the transmit power limit of the signal transmitted in the fifth time domain unit is adjusted according to the transmit power limit of the signal transmitted in the sixth time domain unit, and then the transmit power of the signal transmitted in the fifth time domain unit is also matched with the receive power of the receiving terminal.

[0146] In some implementations, a terminal device (i.e., a receiving terminal of a sidelink signal) may send a first transmit power limit to transmitting terminal 2 within a target time period, where the first transmit power limit is the transmit power limit for signals transmitted by transmitting terminal 1 within the sixth time domain unit. Accordingly, transmitting terminal 2 may determine the transmit power used to transmit the sidelink signal in the fifth time domain unit based on the first transmit power limit and the propagation loss between transmitting terminal 2 and the receiving terminal.

[0147] In some implementations, the transmitting terminal 2 may determine the transmission power limit used to transmit the sideline signal on the fifth time domain unit (also referred to as the "transmission power limit associated with the fifth time domain unit") based on the first transmission power limit and the propagation loss between the transmitting terminal 2 and the receiving terminal, and determine the transmission power used to transmit the signal on the fifth time domain unit (also referred to as the "transmission power associated with the fifth time domain unit") based on the transmission power limit associated with the fifth time domain unit, and then transmit the signal in the fifth time domain unit based on the transmission power associated with the fifth time domain unit. That is to say, the transmission power of the signal in the fifth time domain unit is less than or equal to the transmission power limit associated with the fifth time domain unit. Of course, in an embodiment of the present application, the transmission power used to transmit the sideline signal on the fifth time domain unit can also be directly determined based on the first transmission power limit and the propagation loss between the transmitting terminal 2 and the receiving terminal.

[0148] In some implementations, the first transmit power can be transmitted via sidelink information. For example, the receiving terminal can broadcast the sidelink information carrying the first transmit power, and the transmitting terminal 2 can correspondingly obtain the sidelink information carrying the first transmit power. Of course, the sidelink information carrying the first transmit power can also be transmitted via other means.

[0149] In some implementations, the transmit power limit P associated with the fifth time domain unit is 功率限制 The formula P 功率限制 =P 发送终端1 +PL1 is determined, where P 发送终端1 represents the transmission power limit of the sidelink signal transmitted by the transmitting terminal 1 in the sixth time domain unit, and PL1 represents the power adjustment value determined based on the propagation loss between the transmitting terminal 2 and the receiving terminal.

[0150] It should be noted that if the propagation loss between transmitting terminal 2 and receiving terminal is less than the propagation loss between transmitting terminal 1 and receiving terminal, the power adjustment value in the above formula can be a negative value. If the propagation loss between transmitting terminal 2 and receiving terminal is greater than the propagation loss between transmitting terminal 1 and receiving terminal, the power adjustment value in the above formula can be a positive value.

[0151] In addition, in the embodiment of the present application, the propagation loss between transmitting terminal 2 and receiving terminal is less than the propagation loss between transmitting terminal 1 and receiving terminal. It can be understood that the distance between transmitting terminal 2 and receiving terminal is less than the distance between transmitting terminal 1 and receiving terminal. The propagation loss between transmitting terminal 2 and receiving terminal is greater than the propagation loss between transmitting terminal 1 and receiving terminal. It can be understood that the distance between transmitting terminal 2 and receiving terminal is greater than the distance between transmitting terminal 1 and receiving terminal.

[0152] For ease of understanding, the following describes the transmit power adjustment method in accordance with an embodiment of the present application, using the change in transmit power limit shown in FIG11 as an example, in conjunction with FIG17. FIG17 is a schematic diagram of the transmit power adjustment method in accordance with an embodiment of the present application. The method shown in FIG17 includes steps S1710 to S1760.

[0153] 11 , assuming that the fifth time domain unit is symbol 2-2 and the sixth time domain unit is symbol 2-1, terminal 0 receives sidelink signal 2 sent by terminal 2 on symbol 2-1, and terminal 0 receives sidelink signal 3 sent by terminal 3 on symbol 2-2.

[0154] 17 , in step S1710 , terminal 2 transmits sidelink signal 2 to terminal 0 at symbol 2 - 1 .

[0155] In step S1720, in response to receiving the sidelink signal 2, the terminal 0 determines the transmission power limit 1 of the sidelink signal 2 transmitted on the symbol 2-1.

[0156] In step S1730 , terminal 0 indicates transmission power limit 1 to terminal 3 .

[0157] In step S1740 , terminal 3 determines transmit power limit 2 based on transmit power limit 1 and the power adjustment value.

[0158] For example, the transmit power limit 2 can be obtained by the formula P 功率限制2 =P 发射功率限制1 +PL1 is determined, where P 功率限制2 Indicates the transmit power limit 2, P 发射功率限制1 represents a transmission power limit 1, and PL1 represents a power adjustment value determined based on the propagation loss between terminal 3 and terminal 0.

[0159] In step S1750, terminal 3 determines transmission power 2 of sidelink signal 2 transmitted on symbol 2-2 based on transmission power limit 2.

[0160] In step S1760, terminal 3 transmits sidelink signal 2 at a transmission power of 2 at symbol 2-2.

[0161] The method embodiment of the present application is described in detail above in conjunction with Figures 1 to 17 . The device embodiment of the present application is described in detail below in conjunction with Figures 18 to 20 . It should be understood that the description of the method embodiment corresponds to the description of the device embodiment. Therefore, for portions not described in detail, reference can be made to the above method embodiment.

[0162] FIG18 is a schematic diagram of a terminal device according to an embodiment of the present application. The terminal device 1800 shown in FIG18 includes a communication unit 1810 .

[0163] Communication unit 1810 is used to receive or send signals through multiple carriers, wherein the time domain units corresponding to some or all of the multiple carriers have different durations, and the time domain units corresponding to some or all of the multiple carriers overlap in the time domain, wherein the time domain units corresponding to the multiple carriers include a target time period, and the target time period is used to adjust the target power of the signal.

[0164] In one possible implementation, the multiple carriers include a first carrier and a second carrier, the first carrier corresponds to a first time domain unit, and the second carrier corresponds to a second time domain unit, wherein the duration of the first time domain unit partially or completely overlaps with the duration of multiple second time domain units, and the duration of the first time domain unit is greater than the duration of the second time domain unit.

[0165] In one possible implementation, the time domain position of the target time period is determined based on the first time domain position, and the first time domain position includes the time domain end position of the third time domain unit and / or the time domain start position of the fourth time domain unit, wherein the third time domain unit and the fourth time domain unit are two time domain units adjacent in time domain among the multiple second time domain units, and the third time domain unit is earlier than the fourth time domain unit.

[0166] In one possible implementation, the time domain position of the target time period satisfies one of the following: the time domain starting position of the target time period is the first time domain position; the time domain ending position of the target time period is the first time domain position; the time domain center position of the target time period is the first time domain position.

[0167] In one possible implementation, the time domain position of the target time period is determined based on one or more of the following information: predefined information; preset rules; configuration information; information indicating the time domain position of the target time period recommended by the terminal device.

[0168] In one possible implementation, if the time domain position of the target time period is determined based on a preset rule, the preset rule is associated with one or more of the following: the priority of the service transmitted in the second time domain unit; the target power of the signal transmitted in the second time domain unit.

[0169] In one possible implementation, the duration of the target time period is determined based on one or more of: the subcarrier spacing of the first carrier; the subcarrier spacing of the second carrier; and candidate durations of the target time period supported by the terminal device.

[0170] In a possible implementation, the duration of the target time period is determined based on pre-configuration information and / or terminal device capability information.

[0171] In a possible implementation, if the duration of the target time period is determined based on the terminal device capability information of the terminal device, the terminal device capability information carries candidate durations of the target device time period supported by the terminal device.

[0172] In a possible implementation, the capability information of the terminal device is used to indicate that the terminal device supports a first feature, where the first feature includes adjusting the target power within the target time period.

[0173] In one possible implementation, the configuration and / or activation of the target time period is determined based on a first condition, which includes one or more of the following: the target power of the signals transmitted in two adjacent second time domain units in the time domain is different; the subcarrier spacing of the first carrier is different from the subcarrier spacing of the second carrier; the duration of the first time domain unit is different from the duration of the second time domain unit.

[0174] In one possible implementation, if the multiple carriers are used to send the signal, the target power is the transmit power, and the change in the transmit power of the signal transmitted on the multiple second time domain units is determined based on the transmit power scheduled by the network device; if the multiple carriers are used to receive the signal, the target power is the receive power, and the change in the receive power of the signal transmitted on the multiple second time domain units is determined based on the number of resources used to transmit the signal.

[0175] In a possible implementation, if a change in the received power of signals transmitted on a plurality of the second time domain units is determined based on the number of resources used to transmit the signals, the transmitting ends of the signals transmitted on the second time domain units are the same.

[0176] In one possible implementation, if the multiple carriers are used to send the signal, the target time period is used to adjust the transmission power of the signal; if the multiple carriers are used to receive the signal, the target time period is used to adjust the reception power of the signal; if the multiple carriers are used to receive the signal, the target time period is used to adjust the transmission power of the signal.

[0177] In one possible implementation, if the multiple carriers are used to send the signal, and the transmitting end of the signal transmitted in multiple second time domain units is the same, then the adjustment of the receiving power of the signal in the target time period is based on the AGC result of the first time domain unit.

[0178] In one possible implementation, if the multiple carriers are used to receive the signal, the transmitting ends of the signals transmitted in the multiple second time domain units are different, and the target time period is used to adjust the transmission power of the signal transmitted in the fifth time domain unit, and the transmission power of the signal transmitted in the fifth time domain unit is determined based on the transmission power of the signal in the sixth time domain unit, wherein the fifth time domain unit and the sixth time domain unit are two time domain units adjacent in the time domain among the multiple second time domain units, and the sixth time domain unit is earlier than the fifth time domain unit.

[0179] FIG19 is a schematic diagram of a communication device according to an embodiment of the present application. The communication device 1900 shown in FIG19 includes: a communication unit 1910 .

[0180] Communication unit 1910 is used to receive or send signals through multiple carriers, wherein the time domain units corresponding to some or all of the multiple carriers have different durations, and the time domain units corresponding to some or all of the multiple carriers overlap in the time domain, wherein the time domain units corresponding to the multiple carriers include a target time period, and the target time period is used to adjust the target power of the signal.

[0181] In one possible implementation, the multiple carriers include a first carrier and a second carrier, the first carrier corresponds to a first time domain unit, and the second carrier corresponds to a second time domain unit, wherein the duration of the first time domain unit partially or completely overlaps with the duration of multiple second time domain units, and the duration of the first time domain unit is greater than the duration of the second time domain unit.

[0182] In one possible implementation, the time domain position of the target time period is determined based on the first time domain position, and the first time domain position includes the time domain end position of the third time domain unit and / or the time domain start position of the fourth time domain unit, wherein the third time domain unit and the fourth time domain unit are two time domain units adjacent in time domain among the multiple second time domain units, and the third time domain unit is earlier than the fourth time domain unit.

[0183] In one possible implementation, the time domain position of the target time period satisfies one of the following: the time domain starting position of the target time period is the first time domain position; the time domain ending position of the target time period is the first time domain position; the time domain center position of the target time period is the first time domain position.

[0184] In one possible implementation, the time domain position of the target time period is determined based on one or more of the following information: predefined information; preset rules; configuration information; information indicating the time domain position of the target time period recommended by the terminal device.

[0185] In one possible implementation, if the time domain position of the target time period is determined based on a preset rule, the preset rule is associated with one or more of the following: the priority of the service transmitted in the second time domain unit; the target power of the signal transmitted in the second time domain unit.

[0186] In one possible implementation, the duration of the target time period is determined based on one or more of: the subcarrier spacing of the first carrier; the subcarrier spacing of the second carrier; and candidate durations of the target time period supported by the terminal device.

[0187] In a possible implementation, the duration of the target time period is determined based on pre-configuration information and / or terminal device capability information.

[0188] In a possible implementation, if the duration of the target time period is determined based on the terminal device capability information of the terminal device, the terminal device capability information carries candidate durations of the target device time period supported by the terminal device.

[0189] In a possible implementation, the capability information of the terminal device is used to indicate that the terminal device supports a first feature, where the first feature includes adjusting the target power within the target time period.

[0190] In one possible implementation, the configuration and / or activation of the target time period is determined based on a first condition, which includes one or more of the following: the target power of the signals transmitted in two adjacent second time domain units in the time domain is different; the subcarrier spacing of the first carrier is different from the subcarrier spacing of the second carrier; the duration of the first time domain unit is different from the duration of the second time domain unit.

[0191] In one possible implementation, if the multiple carriers are used to send the signal and the target power is the transmit power, a change in the transmit power of the signal transmitted over the multiple second time domain units is determined based on the transmit power scheduled by the network device;

[0192] If the multiple carriers are used to receive the signal, the target power is the received power, and the change in the received power of the signal transmitted on multiple second time domain units is determined based on the number of resources used to transmit the signal.

[0193] In a possible implementation, if a change in the received power of signals transmitted on a plurality of the second time domain units is determined based on the number of resources used to transmit the signals, the transmitting ends of the signals transmitted on the second time domain units are the same.

[0194] In one possible implementation, if the multiple carriers are used to send the signal, the target time period is used to adjust the transmission power of the signal; if the multiple carriers are used to receive the signal, the target time period is used to adjust the reception power of the signal; if the multiple carriers are used to receive the signal, the target time period is used to adjust the transmission power of the signal.

[0195] In one possible implementation, if the multiple carriers are used to send the signal, and the transmitting end of the signal transmitted in multiple second time domain units is the same, then the adjustment of the receiving power of the signal in the target time period is based on the AGC result of the first time domain unit.

[0196] In one possible implementation, if the multiple carriers are used to receive the signal, the transmitting ends of the signals transmitted in the multiple second time domain units are different, and the target time period is used to adjust the transmission power of the signal transmitted in the fifth time domain unit, and the transmission power of the signal transmitted in the fifth time domain unit is determined based on the transmission power of the signal in the sixth time domain unit, wherein the fifth time domain unit and the sixth time domain unit are two time domain units adjacent in the time domain among the multiple second time domain units, and the sixth time domain unit is earlier than the fifth time domain unit.

[0197] In a possible implementation, the above-mentioned communication device (also referred to as "target device") may be a network device or other terminal devices other than the terminal device (terminal device 1800) introduced above.

[0198] In an optional embodiment, the communication unit 1810 may be a transceiver 2030. The terminal device 1800 may further include a processor 2010 and a memory 2020, as specifically shown in FIG20 .

[0199] In an optional embodiment, the communication unit 1910 may be a transceiver 2030. The communication device 1900 may further include a transceiver 2030 and a memory 2020, as specifically shown in FIG20 .

[0200] Figure 20 is a schematic block diagram of a communication device according to an embodiment of the present application. The dashed lines in Figure 20 indicate that the unit or module is optional. The device 2000 may be used to implement the method described in the above method embodiment. The device 2000 may be a chip, a terminal device, or a network device.

[0201] The device 2000 may include one or more processors 2010. The processor 2010 may support the device 2000 to implement the method described in the method embodiment above. The processor 2010 may be a general-purpose processor or a special-purpose processor. For example, the processor may be a central processing unit (CPU). Alternatively, the processor may be another general-purpose processor, a digital signal processor (DSP), an application-specific integrated circuit (ASIC), a field programmable gate array (FPGA) or other programmable logic device, discrete gate or transistor logic device, discrete hardware component, etc. The general-purpose processor may be a microprocessor or the processor may be any conventional processor, etc.

[0202] The apparatus 2000 may further include one or more memories 2020. The memories 2020 may store programs that can be executed by the processor 2010, causing the processor 2010 to perform the methods described in the above method embodiments. The memories 2020 may be independent of the processor 2010 or integrated into the processor 2010.

[0203] The apparatus 2000 may further include a transceiver 2030. The processor 2010 may communicate with other devices or chips via the transceiver 2030. For example, the processor 2010 may transmit and receive data with other devices or chips via the transceiver 2030.

[0204] The present application also provides a computer-readable storage medium for storing a program. The computer-readable storage medium can be applied to a terminal or network device provided in the present application, and the program enables a computer to execute the method performed by the terminal or network device in each embodiment of the present application.

[0205] The present application also provides a computer program product. The computer program product includes a program. The computer program product can be applied to a terminal or network device provided in the present application, and the program causes a computer to execute the method performed by the terminal or network device in each embodiment of the present application.

[0206] The embodiments of the present application also provide a computer program. The computer program can be applied to the terminal or network device provided in the embodiments of the present application, and the computer program enables a computer to execute the method performed by the terminal or network device in each embodiment of the present application.

[0207] It should be understood that the terms "system" and "network" in this application can be used interchangeably. In addition, the terms used in this application are only used to explain the specific embodiments of this application and are not intended to limit this application. The terms "first", "second", "third", and "fourth" in the specification and claims of this application and the accompanying drawings are used to distinguish different objects rather than to describe a specific order. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions.

[0208] In the embodiments of this application, the term "indication" may refer to a direct indication, an indirect indication, or an indication of an association. For example, "A indicates B" may refer to a direct indication of B, e.g., B can obtain information through A; it may refer to an indirect indication of B, e.g., A indicates C, e.g., B can obtain information through C; or it may refer to an association between A and B.

[0209] In the embodiment of the present application, "B corresponding to A" means that B is associated with A and B can be determined based on A. However, it should be understood that determining B based on A does not mean determining B based solely on A, but B can also be determined based on A and / or other information.

[0210] In the embodiments of the present application, the term "corresponding" may indicate a direct or indirect correspondence between the two, or an association relationship between the two, or a relationship between indication and indication, configuration and configuration, etc.

[0211] In the embodiments of the present application, "pre-definition" or "pre-configuration" may be implemented by pre-storing corresponding codes, tables, or other methods that can be used to indicate relevant information in a device (e.g., a terminal device and a network device). The present application does not limit the specific implementation method. For example, pre-definition may refer to information defined in a protocol.

[0212] In the embodiments of the present application, the “protocol” may refer to a standard protocol in the communications field, for example, it may include an LTE protocol, an NR protocol, and related protocols used in future communication systems, and the present application does not limit this.

[0213] In the embodiments of this application, the term "and / or" is simply a description of the association relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent: A exists alone, A and B exist at the same time, and B exists alone. In addition, the character " / " in this document generally indicates that the related objects are in an "or" relationship.

[0214] In various embodiments of the present application, the size of the serial numbers of the above-mentioned processes does not mean the order of execution. The execution order of each process should be determined by its function and internal logic, and should not constitute any limitation on the implementation process of the embodiments of the present application.

[0215] In the several embodiments provided in this application, it should be understood that the disclosed systems, devices and methods can be implemented in other ways. For example, the device embodiments described above are merely schematic. For example, the division of the units is merely a logical function division. In actual implementation, there may be other division methods, such as multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the mutual coupling or direct coupling or communication connection shown or discussed can be through some interfaces, indirect coupling or communication connection of devices or units, which can be electrical, mechanical or other forms.

[0216] The units described as separate components may or may not be physically separate, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed across multiple network units. Some or all of these units may be selected to achieve the purpose of this embodiment according to actual needs.

[0217] In addition, each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.

[0218] In the above embodiments, it can be implemented in whole or in part by software, hardware, firmware or any combination thereof. When implemented using software, it can be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer instructions. When the computer program instructions are loaded and executed on a computer, the process or function described in the embodiment of the present application is generated in whole or in part. The computer can be a general-purpose computer, a special-purpose computer, a computer network, or other programmable device. The computer instructions can be stored in a computer-readable storage medium or transmitted from one computer-readable storage medium to another computer-readable storage medium. For example, the computer instructions can be transmitted from one website, computer, server or data center to another website, computer, server or data center via a wired (e.g., coaxial cable, optical fiber, digital subscriber line (DSL)) or wireless (e.g., infrared, wireless, microwave, etc.) method. The computer-readable storage medium can be any available medium that can be read by a computer or a data storage device such as a server or data center that includes one or more available media integrated therein. The available medium may be a magnetic medium (eg, a floppy disk, a hard disk, a magnetic tape), an optical medium (eg, a digital versatile disc (DVD)), or a semiconductor medium (eg, a solid state disk (SSD)).

[0219] The above description is merely a specific embodiment of the present application, but the scope of protection of the present application is not limited thereto. Any changes or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in this application should be included in the scope of protection of this application. Therefore, the scope of protection of this application should be based on the scope of protection of the claims.

Claims

1. A wireless communication method, characterized in that: include: The terminal device receives or sends a signal through multiple carriers, wherein the time domain units corresponding to some or all of the multiple carriers have different durations, and the time domain units corresponding to some or all of the multiple carriers overlap in the time domain, The time domain units corresponding to the multiple carriers include a target time period, and the target time period is used to adjust the target power of the signal.

2. The method according to claim 1, characterized in that The multiple carriers include a first carrier and a second carrier, the first carrier corresponds to a first time domain unit, and the second carrier corresponds to a second time domain unit, wherein the duration of the first time domain unit partially or completely overlaps with the duration of multiple second time domain units, and the duration of the first time domain unit is greater than the duration of the second time domain unit.

3. The method according to claim 2, characterized in that The time domain position of the target time period is determined based on the first time domain position, wherein the first time domain position includes the time domain end position of the third time domain unit and / or the time domain start position of the fourth time domain unit. The third time domain unit and the fourth time domain unit are two time domain units that are adjacent in time domain among the plurality of second time domain units, and the third time domain unit is earlier than the fourth time domain unit.

4. The method according to claim 3, characterized in that The time domain position of the target time period satisfies one of the following: The time domain starting position of the target time period is the first time domain position; The time domain end position of the target time period is the first time domain position; The time domain center position of the target time period is the first time domain position.

5. The method according to any one of claims 2 to 4, characterized in that: The time domain position of the target time period is determined based on one or more of the following information: predefined information; preset rules; configuration information; information used to indicate the time domain position of the target time period recommended by the terminal device.

6. The method according to claim 5, characterized in that If the temporal position of the target time period is determined based on a preset rule, the preset rule is associated with one or more of the following: The priority of the service transmitted in the second time domain unit; The target power of the signal transmitted in the second time domain unit.

7. The method according to any one of claims 2 to 6, characterized in that The duration of the target time period is determined based on one or more of the following: a subcarrier spacing of the first carrier; a subcarrier spacing of the second carrier; The candidate durations of the target time period supported by the terminal device.

8. The method according to any one of claims 2 to 6, characterized in that The duration of the target time period is determined based on pre-configuration information and / or terminal device capability information.

9. The method according to claim 8, characterized in that If the duration of the target time period is determined based on the terminal device capability information of the terminal device, the terminal device capability information carries candidate durations of the target device time period supported by the terminal device.

10. The method according to claim 8 or 9, characterized in that The capability information of the terminal device is used to indicate that the terminal device supports a first feature, where the first feature includes adjusting the target power within the target time period.

11. The method according to any one of claims 2 to 10, characterized in that: The configuration and / or activation of the target time period is determined based on a first condition, wherein the first condition includes one or more of the following: The target powers of the signals transmitted in two adjacent second time domain units in the time domain are different; The subcarrier spacing of the first carrier is different from the subcarrier spacing of the second carrier; The duration of the first time domain unit is different from the duration of the second time domain unit.

12. The method according to any one of claims 2 to 11, characterized in that If the multiple carriers are used to send the signal, and the target power is the transmit power, then the change in the transmit power of the signal transmitted on the multiple second time domain units is determined based on the transmit power scheduled by the network device; If the multiple carriers are used to receive the signal, the target power is the received power, and the change in the received power of the signal transmitted on multiple second time domain units is determined based on the number of resources used to transmit the signal.

13. The method according to claim 12, characterized in that If the change in the received power of the signals transmitted on the plurality of the second time domain units is determined based on the number of resources used to transmit the signals, the sending ends of the signals transmitted on the second time domain units are the same.

14. The method according to any one of claims 2 to 13, characterized in that If the multiple carriers are used to send the signal, the target time period is used to adjust the transmission power of the signal; If the multiple carriers are used to receive the signal, the target time period is used to adjust the received power of the signal; If the multiple carriers are used to receive the signal, the target time period is used to adjust the transmission power of the signal.

15. The method according to claim 14, characterized in that If the multiple carriers are used to send the signal, and the sending end of the signal transmitted in multiple second time domain units is the same, then the adjustment of the received power of the signal in the target time period is performed based on the AGC result of the first time domain unit.

16. The method according to claim 14, characterized in that If the multiple carriers are used to receive the signal, the transmitting ends of the signals transmitted in the multiple second time domain units are different, the target time period is used to adjust the transmit power of the signal transmitted in the fifth time domain unit, and the transmit power of the signal transmitted in the fifth time domain unit is determined based on the transmit power of the signal in the sixth time domain unit, The fifth time domain unit and the sixth time domain unit are two time domain units that are adjacent in time domain among the plurality of second time domain units, and the sixth time domain unit is earlier than the fifth time domain unit.

17. A wireless communication method, characterized in that: include: The target device receives or sends a signal through multiple carriers, wherein the time domain units corresponding to some or all of the multiple carriers have different durations, and the time domain units corresponding to some or all of the multiple carriers overlap in the time domain, The time domain units corresponding to the multiple carriers include a target time period, and the target time period is used to adjust the target power of the signal.

18. The method according to claim 17, characterized in that The multiple carriers include a first carrier and a second carrier, the first carrier corresponds to a first time domain unit, and the second carrier corresponds to a second time domain unit, wherein the duration of the first time domain unit partially or completely overlaps with the duration of multiple second time domain units, and the duration of the first time domain unit is greater than the duration of the second time domain unit.

19. The method according to claim 18, characterized in that The time domain position of the target time period is determined based on the first time domain position, wherein the first time domain position includes the time domain end position of the third time domain unit and / or the time domain start position of the fourth time domain unit. The third time domain unit and the fourth time domain unit are two time domain units that are adjacent in time domain among the plurality of second time domain units, and the third time domain unit is earlier than the fourth time domain unit.

20. The method of claim 19, wherein: The time domain position of the target time period satisfies one of the following: The time domain starting position of the target time period is the first time domain position; The time domain end position of the target time period is the first time domain position; The time domain center position of the target time period is the first time domain position.

21. The method according to any one of claims 18 to 20, characterized in that The time domain position of the target time period is determined based on one or more of the following information: predefined information; preset rules; configuration information; information used to indicate the time domain position of the target time period recommended by the terminal device.

22. The method according to claim 21, characterized in that If the temporal position of the target time period is determined based on a preset rule, the preset rule is associated with one or more of the following: The priority of the service transmitted in the second time domain unit; The target power of the signal transmitted in the second time domain unit.

23. The method according to any one of claims 18 to 22, characterized in that The duration of the target time period is determined based on one or more of the following: a subcarrier spacing of the first carrier; a subcarrier spacing of the second carrier; The candidate durations of the target time period supported by the terminal device.

24. The method according to any one of claims 18 to 22, characterized in that The duration of the target time period is determined based on pre-configuration information and / or terminal device capability information.

25. The method of claim 24, wherein: If the duration of the target time period is determined based on the terminal device capability information of the terminal device, the terminal device capability information carries candidate durations of the target device time period supported by the terminal device.

26. The method according to claim 24 or 25, characterized in that The capability information of the terminal device is used to indicate that the terminal device supports a first feature, where the first feature includes adjusting the target power within the target time period.

27. The method according to any one of claims 24 to 26, characterized in that The configuration and / or activation of the target time period is determined based on a first condition, wherein the first condition includes one or more of the following: The target powers of the signals transmitted in two adjacent second time domain units in the time domain are different; The subcarrier spacing of the first carrier is different from the subcarrier spacing of the second carrier; The duration of the first time domain unit is different from the duration of the second time domain unit.

28. The method according to any one of claims 24 to 27, characterized in that If the multiple carriers are used to send the signal, and the target power is the transmit power, then the change in the transmit power of the signal transmitted on the multiple second time domain units is determined based on the transmit power scheduled by the network device; If the multiple carriers are used to receive the signal, the target power is the received power, and the power transmitted on the multiple second time domain units The change in the received power of the signal is determined based on the amount of resources used to transmit the signal.

29. The method of claim 28, wherein: If the change in the received power of the signals transmitted on the plurality of the second time domain units is determined based on the number of resources used to transmit the signals, the sending ends of the signals transmitted on the second time domain units are the same.

30. The method according to any one of claims 24 to 29, characterized in that If the multiple carriers are used to send the signal, the target time period is used to adjust the transmission power of the signal; If the multiple carriers are used to receive the signal, the target time period is used to adjust the received power of the signal; If the multiple carriers are used to receive the signal, the target time period is used to adjust the transmission power of the signal.

31. The method of claim 30, wherein: If the multiple carriers are used to send the signal, and the sending end of the signal transmitted in multiple second time domain units is the same, then the adjustment of the received power of the signal in the target time period is performed based on the AGC result of the first time domain unit.

32. The method of claim 30, wherein: If the multiple carriers are used to receive the signal, the transmitting ends of the signals transmitted in the multiple second time domain units are different, the target time period is used to adjust the transmit power of the signal transmitted in the fifth time domain unit, and the transmit power of the signal transmitted in the fifth time domain unit is determined based on the transmit power of the signal in the sixth time domain unit, The fifth time domain unit and the sixth time domain unit are two time domain units that are adjacent in time domain among the plurality of second time domain units, and the sixth time domain unit is earlier than the fifth time domain unit.

33. A terminal device, characterized in that: include: A communication unit, configured to receive or send a signal through a plurality of carriers, wherein the time domain units corresponding to some or all of the plurality of carriers have different durations, and the time domain units corresponding to some or all of the plurality of carriers overlap in the time domain, The time domain units corresponding to the multiple carriers include a target time period, and the target time period is used to adjust the target power of the signal.

34. The terminal device according to claim 33, characterized in that: The multiple carriers include a first carrier and a second carrier, the first carrier corresponds to a first time domain unit, and the second carrier corresponds to a second time domain unit, wherein the duration of the first time domain unit partially or completely overlaps with the duration of multiple second time domain units, and the duration of the first time domain unit is greater than the duration of the second time domain unit.

35. The terminal device according to claim 34, characterized in that: The time domain position of the target time period is determined based on the first time domain position, wherein the first time domain position includes the time domain end position of the third time domain unit and / or the time domain start position of the fourth time domain unit. The third time domain unit and the fourth time domain unit are two time domain units that are adjacent in time domain among the plurality of second time domain units, and the third time domain unit is earlier than the fourth time domain unit.

36. The terminal device according to claim 35, characterized in that: The time domain position of the target time period satisfies one of the following: The time domain starting position of the target time period is the first time domain position; The time domain end position of the target time period is the first time domain position; The time domain center position of the target time period is the first time domain position.

37. The terminal device according to any one of claims 34 to 36, characterized in that: The time domain position of the target time period is determined based on one or more of the following information: predefined information; preset rules; configuration information; information used to indicate the time domain position of the target time period recommended by the terminal device.

38. The terminal device according to claim 37, characterized in that: If the temporal position of the target time period is determined based on a preset rule, the preset rule is associated with one or more of the following: The priority of the service transmitted in the second time domain unit; The target power of the signal transmitted in the second time domain unit.

39. The terminal device according to any one of claims 34 to 38, characterized in that: The duration of the target time period is determined based on one or more of the following: a subcarrier spacing of the first carrier; a subcarrier spacing of the second carrier; The candidate durations of the target time period supported by the terminal device.

40. The terminal device according to any one of claims 34 to 38, characterized in that: The duration of the target time period is determined based on pre-configuration information and / or terminal device capability information.

41. The terminal device according to claim 40, characterized in that: If the duration of the target time period is determined based on the terminal device capability information of the terminal device, the terminal device capability information carries candidate durations of the target device time period supported by the terminal device.

42. The terminal device according to claim 40 or 41, characterized in that: The capability information of the terminal device is used to indicate that the terminal device supports a first feature, where the first feature includes adjusting the target power within the target time period.

43. The terminal device according to any one of claims 34 to 42, characterized in that: The configuration and / or activation of the target time period is determined based on a first condition, wherein the first condition includes one or more of the following: The target powers of the signals transmitted in two adjacent second time domain units in the time domain are different; The subcarrier spacing of the first carrier is different from the subcarrier spacing of the second carrier; The duration of the first time domain unit is different from the duration of the second time domain unit.

44. The terminal device according to any one of claims 34 to 43, characterized in that: If the multiple carriers are used to send the signal, and the target power is the transmit power, then the change in the transmit power of the signal transmitted on the multiple second time domain units is determined based on the transmit power scheduled by the network device; If the multiple carriers are used to receive the signal, the target power is the received power, and the change in the received power of the signal transmitted on multiple second time domain units is determined based on the number of resources used to transmit the signal.

45. The terminal device according to claim 44, characterized in that If the change in the received power of the signals transmitted on the plurality of the second time domain units is determined based on the number of resources used to transmit the signals, the sending ends of the signals transmitted on the second time domain units are the same.

46. ​​The terminal device according to any one of claims 34 to 45, characterized in that: If the multiple carriers are used to send the signal, the target time period is used to adjust the transmission power of the signal; If the multiple carriers are used to receive the signal, the target time period is used to adjust the received power of the signal; If the multiple carriers are used to receive the signal, the target time period is used to adjust the transmission power of the signal.

47. The terminal device according to claim 46, characterized in that: If the multiple carriers are used to send the signal, and the sending end of the signal transmitted in multiple second time domain units is the same, then the adjustment of the received power of the signal in the target time period is performed based on the AGC result of the first time domain unit.

48. The terminal device according to claim 46, characterized in that If the multiple carriers are used to receive the signal, the transmitting ends of the signals transmitted in the multiple second time domain units are different, the target time period is used to adjust the transmit power of the signal transmitted in the fifth time domain unit, and the transmit power of the signal transmitted in the fifth time domain unit is determined based on the transmit power of the signal in the sixth time domain unit, The fifth time domain unit and the sixth time domain unit are two time domain units that are adjacent in time domain among the plurality of second time domain units, and the sixth time domain unit is earlier than the fifth time domain unit.

49. A communication device, characterized in that: include: A communication unit, configured to receive or send a signal through a plurality of carriers, wherein the time domain units corresponding to some or all of the plurality of carriers have different durations, and the time domain units corresponding to some or all of the plurality of carriers overlap in the time domain, The time domain units corresponding to the multiple carriers include a target time period, and the target time period is used to adjust the target power of the signal.

50. The communication device according to claim 49, characterized in that The multiple carriers include a first carrier and a second carrier, the first carrier corresponds to a first time domain unit, and the second carrier corresponds to a second time domain unit, wherein the duration of the first time domain unit partially or completely overlaps with the duration of multiple second time domain units, and the duration of the first time domain unit is greater than the duration of the second time domain unit.

51. The communication device according to claim 50, characterized in that The time domain position of the target time period is determined based on the first time domain position, wherein the first time domain position includes the time domain end position of the third time domain unit and / or the time domain start position of the fourth time domain unit. The third time domain unit and the fourth time domain unit are two time domain units that are adjacent in time domain among the plurality of second time domain units, and the third time domain unit is earlier than the fourth time domain unit.

52. The communication device according to claim 51, characterized in that The time domain position of the target time period satisfies one of the following: The time domain starting position of the target time period is the first time domain position; The time domain end position of the target time period is the first time domain position; The time domain center position of the target time period is the first time domain position.

53. The communication device according to any one of claims 50 to 52, characterized in that: The time domain position of the target time period is determined based on one or more of the following information: predefined information; preset rules; configuration information; information used to indicate the time domain position of the target time period recommended by the terminal device.

54. The communication device according to claim 53, characterized in that If the temporal position of the target time period is determined based on a preset rule, the preset rule is associated with one or more of the following: The priority of the service transmitted in the second time domain unit; The target power of the signal transmitted in the second time domain unit.

55. The communication device according to any one of claims 50 to 54, characterized in that: The duration of the target time period is determined based on one or more of the following: a subcarrier spacing of the first carrier; a subcarrier spacing of the second carrier; The candidate durations of the target time period supported by the terminal device.

56. The communication device according to any one of claims 50 to 54, characterized in that: The duration of the target time period is determined based on pre-configuration information and / or terminal device capability information.

57. The communication device according to claim 56, characterized in that If the duration of the target time period is determined based on the terminal device capability information of the terminal device, the terminal device capability information carries candidate durations of the target device time period supported by the terminal device.

58. The communication device according to claim 56 or 57, characterized in that The capability information of the terminal device is used to indicate that the terminal device supports a first feature, where the first feature includes adjusting the target power within the target time period.

59. The communication device according to any one of claims 56 to 58, characterized in that: The configuration and / or activation of the target time period is determined based on a first condition, wherein the first condition includes one or more of the following: The target powers of the signals transmitted in two adjacent second time domain units in the time domain are different; The subcarrier spacing of the first carrier is different from the subcarrier spacing of the second carrier; The duration of the first time domain unit is different from the duration of the second time domain unit.

60. The communication device according to any one of claims 56 to 59, characterized in that: If the multiple carriers are used to send the signal, and the target power is the transmit power, then the change in the transmit power of the signal transmitted on the multiple second time domain units is determined based on the transmit power scheduled by the network device; If the multiple carriers are used to receive the signal, the target power is the received power, and the change in the received power of the signal transmitted on multiple second time domain units is determined based on the number of resources used to transmit the signal.

61. The communication device according to claim 60, characterized in that If the change in the received power of the signals transmitted on the plurality of the second time domain units is determined based on the number of resources used to transmit the signals, the sending ends of the signals transmitted on the second time domain units are the same.

62. The communication device according to any one of claims 56 to 61, characterized in that: If the multiple carriers are used to send the signal, the target time period is used to adjust the transmission power of the signal; If the multiple carriers are used to receive the signal, the target time period is used to adjust the received power of the signal; If the multiple carriers are used to receive the signal, the target time period is used to adjust the transmission power of the signal.

63. The communication device according to claim 62, characterized in that If the multiple carriers are used to send the signal, and the sending end of the signal transmitted in multiple second time domain units is the same, then the adjustment of the received power of the signal in the target time period is performed based on the AGC result of the first time domain unit.

64. The communication device according to claim 62, characterized in that If the multiple carriers are used to receive the signal, the transmitting ends of the signals transmitted in the multiple second time domain units are different, the target time period is used to adjust the transmit power of the signal transmitted in the fifth time domain unit, and the transmit power of the signal transmitted in the fifth time domain unit is determined based on the transmit power of the signal in the sixth time domain unit, The fifth time domain unit and the sixth time domain unit are two time domain units that are adjacent in time domain among the plurality of second time domain units, and the sixth time domain unit is earlier than the fifth time domain unit.

65. A terminal device, characterized in that: The terminal comprises a transceiver, a memory and a processor, wherein the memory is used to store programs, and the processor is used to call the programs in the memory and control the transceiver to receive or send signals, so that the terminal executes the method as described in any one of claims 1 to 16.

66. A communication device, characterized in that: It comprises a transceiver, a memory and a processor, wherein the memory is used to store programs, and the processor is used to call the programs in the memory and control the transceiver to receive or send signals so that the network device executes the method as described in any one of claims 17-32.

67. A device, characterized in that The device comprises a processor, configured to call a program from a memory so as to cause the device to execute a method as claimed in any one of claims 1 to 32.

68. A chip, characterized in that: It comprises a processor, which is used to call a program from a memory, so that a device equipped with the chip executes a method as claimed in any one of claims 1 to 32.

69. A computer-readable storage medium, characterized in that A program is stored thereon, the program causing a computer to execute the method according to any one of claims 1 to 32.

70. A computer program product, characterized in that The method comprises a program which causes a computer to execute the method according to any one of claims 1 to 32.

71. A computer program, characterized in that The computer program causes a computer to execute the method according to any one of claims 1 to 32.

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