Transmit power control method and apparatus, and communication device

Abstract

A transmit power control method and apparatus, and a communication device, relating to the technical field of communications. The method comprises: a first device acquires first information, the first device comprising a first communication module and a second communication module, and the second communication module being an ultra-low power consumption communication module; and on the basis of the first information, the first device determines first target transmit power of the first communication module and second target transmit power of the second communication module, wherein the first target transmit power is used for the first communication module to send a first signal, and the second target transmit power is used for the second communication module to send a second signal.

Description

Transmission power control method, device and communication equipment

[0001] CROSS-REFERENCE TO RELATED APPLICATIONS

[0002] This application claims priority to Chinese patent application No. 202311683004.X filed in China on December 8, 2023, the entire contents of which are incorporated herein by reference. Technical Field

[0003] The present application belongs to the field of communication technology, and specifically relates to a transmission power control method, device and communication equipment. Background Art

[0004] The power control method in the related art is designed based on the assumption of a topology structure in which the user equipment (UE) is directly connected to the base station or the integrated access and backhaul (IAB) node, using multi-carrier signals such as Orthogonal Frequency Division Multiplex (OFDM) or Discrete Fourier Transform–Spread OFDM (DFT-S-OFDM).

[0005] In backscatter communication (BSC), ambient Internet of Things (AIoT) devices may use single-carrier signals such as on-off keying (OOK), amplitude shift keying (ASK), and frequency shift keying (FSK). The connection topology in BSC is not limited to a simple direct connection topology. In addition, some devices have both traditional main communication modules and AIoT-type ultra-low-power communication modules.

[0006] The power control method in the related art cannot be applied to the power control of a communication device that has both a main communication module and an extremely low power communication module. At this time, the lack of power control of a communication device that has both a main communication module and an extremely low power communication module will limit the communication performance of the communication device. Summary of the Invention

[0007] The embodiments of the present application provide a transmission power control method, apparatus, and communication equipment, which can perform power control on a first signal sent by a main communication module and a second signal sent by a low-power communication module in a communication equipment that has both a main communication module and an extremely low-power communication module, thereby improving the communication performance of the communication equipment.

[0008] In a first aspect, a transmit power control method is provided, the method comprising:

[0009] A first device acquires first information, the first device including a first communication module and a second communication module, the second communication module being an extremely low power consumption communication module;

[0010] The first device determines a first target transmit power of the first communication module and a second target transmit power of the second communication module based on the first information; wherein the first target transmit power is used by the first communication module to send a first signal, and the second target transmit power is used by the second communication module to send a second signal.

[0011] In a second aspect, a transmission power control device is provided, applied to a first node, the device including:

[0012] A first acquisition module, configured to acquire first information, wherein the first device includes a first communication module and a second communication module, and the second communication module is an extremely low power consumption communication module;

[0013] A first determination module is used to determine a first target transmission power of the first communication module and a second target transmission power of the second communication module based on the first information; wherein the first target transmission power is used for the first communication module to send a first signal, and the second target transmission power is used for the second communication module to send a second signal.

[0014] In a third aspect, a transmission power control method is provided, the method comprising:

[0015] The second device sends first information to the first device, where the first device includes a first communication module and a second communication module, and the second communication module is an extremely low power consumption communication module; the first information is used to determine the first target transmission power of the first communication module for the first signal and the second target transmission power of the second communication module for the second signal.

[0016] In a fourth aspect, a transmission power control device is provided, applied to a second node, the device including:

[0017] A first sending module is used to send first information to a first device, where the first device includes a first communication module and a second communication module, and the second communication module is an extremely low power consumption communication module; the first information is used to determine a first target transmission power of the first communication module for the first signal and a second target transmission power of the second communication module for the second signal.

[0018] In a fifth aspect, a communication device is provided, which includes a processor and a memory, wherein the memory stores programs or instructions that can be run on the processor, and when the program or instructions are executed by the processor, the steps of the method described in the first aspect or the third aspect are implemented.

[0019] In a sixth aspect, a communication device is provided, including a processor and a communication interface;

[0020] Wherein, when the communication device is a first device, the communication interface or the processor is used to obtain first information, the first device includes a first communication module and a second communication module, and the second communication module is an extremely low power consumption communication module; the processor is further used to determine a first target transmit power of the first communication module and a second target transmit power of the second communication module based on the first information; wherein the first target transmit power is used for the first communication module to send a first signal, and the second target transmit power is used for the second communication module to send a second signal;

[0021] or,

[0022] When the communication device is a second device, the communication interface is used to send first information to the first device, the first device includes a first communication module and a second communication module, and the second communication module is an extremely low power consumption communication module; the first information is used to determine the first target transmission power of the first communication module for the first signal and the second target transmission power of the second communication module for the second signal.

[0023] In the seventh aspect, a wireless communication system is provided, comprising a first device and a second device, wherein the first device is used to execute the steps of the method described in the first aspect, and the second device is used to execute the steps of the method described in the third aspect.

[0024] In an eighth aspect, a readable storage medium is provided, on which a program or instruction is stored. When the program or instruction is executed by a processor, the steps of the method described in the first aspect or the third aspect are implemented.

[0025] In the ninth aspect, a chip is provided, comprising a processor and a communication interface, wherein the communication interface is coupled to the processor, and the processor is used to run programs or instructions to implement the method described in the first aspect or the third aspect.

[0026] In a tenth aspect, a computer program / program product is provided, wherein the computer program / program product is stored in a storage medium and is executed by at least one processor to implement the steps of the method described in the first aspect or the third aspect.

[0027] In an embodiment of the present application, for a first device that has both a main communication module (i.e., a first communication module) and an extremely low power consumption communication module (i.e., a second communication module), power control of the two communication modules on the first device can be performed based on the first information, so that the first target transmission power of the first signal sent by the main communication module on the first device and the second target transmission power of the second signal sent by the extremely low power consumption communication module on the first device are more flexible, thereby improving the communication performance of the first device. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] FIG1 is a schematic structural diagram of a wireless communication system to which an embodiment of the present application can be applied;

[0029] FIG2 is a schematic diagram of a backscatter communication system;

[0030] FIG3 is a schematic diagram of signal modulation in a backscatter communication system;

[0031] FIG4 is a schematic diagram of a generation framework of a multi-carrier OOK signal based on an OFDM architecture;

[0032] FIG5 is a schematic diagram of an offset quadrature phase shift keying (O-QPSK) transmission and spreading sequence;

[0033] FIG6 is a schematic diagram of a Differential Binary Phase Shift Keying (DBPSK) modulation and spreading sequence;

[0034] FIG7 is a block diagram of a minimum shift keying (MSK) modulation;

[0035] FIG8 is a schematic diagram of a Gaussian Filtered Minimum Shift Keying (GMSK) signal modulation principle;

[0036] FIG9 a is a schematic diagram of a connection topology 1 of an AIoT device;

[0037] FIG9 b is a schematic diagram of a connection topology 2 of an AIoT device;

[0038] FIG9 c is a schematic diagram of a connection topology 3 of an AIoT device;

[0039] FIG9 d is a second schematic diagram of a connection topology 3 of an AIoT device;

[0040] FIG9e is a schematic diagram of a connection topology 4 of an AIoT device;

[0041] 10 is a schematic diagram of information interaction between a terminal having a main communication module and an extremely low power consumption communication module and a network-side device;

[0042] FIG11 is a flowchart of a transmission power control method according to an embodiment of the present application;

[0043] FIG12 is a second flowchart of a transmission power control method provided in an embodiment of the present application;

[0044] FIG13 is a structural diagram of a transmission power control device according to an embodiment of the present application;

[0045] FIG14 is a second structural diagram of a transmission power control device provided in an embodiment of the present application;

[0046] FIG15 is a schematic structural diagram of a communication device provided in an embodiment of the present application;

[0047] FIG16 is a schematic structural diagram of a terminal provided in an embodiment of the present application;

[0048] FIG17 is a schematic structural diagram of a network-side device provided in an embodiment of the present application. DETAILED DESCRIPTION

[0049] The following will be combined with the accompanying drawings in the embodiments of this application to clearly describe the technical solutions in the embodiments of this application. Obviously, the embodiments described are part of the embodiments of this application, not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field are within the scope of protection of this application.

[0050] The terms "first", "second", etc. in this application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It should be understood that the terms used in this way are interchangeable where appropriate, so that the embodiments of the present application can be implemented in an order other than those illustrated or described herein, and the objects distinguished by "first" and "second" are generally of the same type, and do not limit the number of objects, for example, the first object can be one or more. In addition, "or" in this application represents at least one of the connected objects. For example, "A or B" covers three options, namely, Option 1: including A but not including B; Option 2: including B but not including A; Option 3: including both A and B. The character " / " generally indicates that the objects associated before and after are in an "or" relationship.

[0051] The term "indication" in this application can be either a direct indication (or explicit indication) or an indirect indication (or implicit indication). A direct indication can be understood as the sender explicitly informing the receiver of specific information, the operation to be performed, or the requested result, etc. in the instruction sent; an indirect indication can be understood as the receiver determining the corresponding information based on the instruction sent by the sender, or making a judgment and determining the operation to be performed or the requested result, etc. based on the judgment result.

[0052] It is worth noting that the technology described in the embodiments of the present application is not limited to the Long Term Evolution (LTE) / LTE-Advanced (LTE-A) system, but can also be used in other wireless communication systems, such as Code Division Multiple Access (CDMA), Time Division Multiple Access (TDMA), Frequency Division Multiple Access (FDMA), Orthogonal Frequency Division Multiple Access (OFDMA), Single-carrier Frequency Division Multiple Access (SC-FDMA) or other systems such as 6G systems and 6G evolution systems, as well as IEEE 802.11 systems (i.e., WiFi systems), Bluetooth systems, Long Range Radio (LoRa), Zigbee systems, wireless optical communication, backscatter communication, low-power Internet of Things systems and other communication systems. The terms "system" and "network" in the embodiments of the present application are often used interchangeably, and the technology described can be used for the systems and radio technologies mentioned above, as well as for other systems and radio technologies. The following description describes a New Radio (NR) system for example purposes, and NR terminology is used in most of the following description, but these techniques can also be applied to systems other than NR systems, such as 6G (6 th Generation, 6G) communication system.

[0053] FIG1 is a block diagram of a wireless communication system applicable to an embodiment of the present application. The wireless communication system includes a terminal 11 and a network-side device 12. The terminal 11 may be a mobile phone, a tablet computer (Tablet Personal Computer), a laptop computer (Laptop Computer), a notebook computer, a personal digital assistant (PDA), a handheld computer, a netbook, an ultra-mobile personal computer (UMPC), a mobile internet device (MID), an augmented reality (AR), a virtual reality (VR) device, a robot, a wearable device (Wearable Device), an aircraft (Flight Vehicle), a vehicle-mounted device (VUE), a ship-mounted device, a pedestrian user equipment (PUE), a smart home (home appliances with wireless communication capabilities, such as refrigerators, televisions, washing machines, or furniture), a game console, a personal computer (PC), an ATM, or a self-service machine, or other terminal-side devices. Wearable devices include: smart watches, smart bracelets, smart headphones, smart glasses, smart jewelry (smart bracelets, smart bracelets, smart rings, smart necklaces, smart anklets, smart anklets, etc.), smart wristbands, smart clothing, etc. Among them, the vehicle-mounted device can also be called a vehicle-mounted terminal, a vehicle-mounted controller, a vehicle-mounted module, a vehicle-mounted component, a vehicle-mounted chip or a vehicle-mounted unit, etc. It should be noted that the specific type of the terminal 11 is not limited in the embodiment of the present application. The network side device 12 may include an access network device or a core network device, wherein the access network device may also be called a radio access network (Radio Access Network, RAN) device, a radio access network function or a radio access network unit. The access network device may include a base station, a wireless local area network (WLAN) access point (AP) or a wireless fidelity (WiFi) node, etc.Among them, the base station can be referred to as Node B (NB), Evolved Node B (eNB), the next generation Node B (gNB), New Radio Node B (NR Node B), access point, Relay Base Station (RBS), Serving Base Station (SBS), Base Transceiver Station (BTS), radio base station, radio transceiver, Basic Service Set (BSS), Extended Service Set (ESS), Home Node B (HNB), Home evolved Node B (home evolved Node B), Transmission Reception Point (TRP) or other appropriate terms in the relevant field. As long as the same technical effect is achieved, the base station is not limited to specific technical vocabulary. It should be noted that in the embodiment of the present application, only the base station in the NR system is used as an example for introduction, and the specific type of the base station is not limited.

[0054] The core network equipment may include but is not limited to at least one of the following: core network node, core network function, mobility management entity (MME), access mobility management function (AMF), session management function (SMF), user plane function (UPF), policy control function (PCF), policy and charging rules function unit (PCRF), edge application service discovery function (EASDF), unified data management (UDM), unified data repository (UDR), home user server (HSS), centralized network configuration (CNC), network storage function (NRF), network exposure function (NEF), local NEF (L-NEF), binding support function (BSF), application function ( Function, AF), etc. It should be noted that in the embodiments of the present application, only the core network device in the NR system is used as an example for introduction, and the specific type of the core network device is not limited. It should be noted that in the embodiments of the present application, only the core network device in the NR system is used as an example for introduction, and the specific type of the core network device is not limited.

[0055] To facilitate understanding of the transmit power control method provided in the embodiments of the present application, the following related technologies are first explained:

[0056] 1. Backscatter Communication (BSC)

[0057] Backscatter communication refers to the backscatter communication device using the radio frequency signals from other devices or the environment to modulate the signal to transmit its own information.

[0058] In some embodiments, the backscatter communication device may include at least one of the following:

[0059] Device A refers to the backscatter communication device in traditional Radio Frequency Identification (RFID), which is generally a tag and a passive IoT device.

[0060] Device B is a semi-passive IoT device that has a certain amplification capability for downlink reception or uplink reflection.

[0061] Device C refers to an active device that can send signals to a reader without relying on reflection of the incident signal.

[0062] The energy source of the above backscatter communication device can come from the environment, such as ambient radio frequency (RF) signals, thermal energy, kinetic energy, wind energy, etc., and it can also be called an ambient IoT device.

[0063] In some embodiments, as shown in FIG. 2 , a simple implementation of backscatter communication is as follows: when the tag needs to send a '1', the tag reflects the incident carrier signal; when the tag needs to send a '0', the tag does not reflect.

[0064] In some embodiments, as shown in FIG3 , a backscatter communication device controls the reflection coefficient Γ of the circuit by adjusting its internal impedance, thereby changing the amplitude, frequency, phase, etc. of the incident signal to achieve signal modulation. The reflection coefficient Γ of the signal can be calculated using the following formula:

[0065] Γ=(Z_1-Z_0) / (Z_1+Z_0)=|Γ|e^(jθ_T);

[0066] Where Z_0 is the antenna characteristic impedance, and Z_1 is the load impedance. Assuming the incident signal is S_in(t), the output signal is S_out(t) = S_in(t)|Γ|e^(jθ_T). Therefore, by properly controlling the reflection coefficient, corresponding amplitude modulation, frequency modulation, or phase modulation can be achieved.

[0067] 2. Possible modulation methods for low-power signals

[0068] 1) OOK

[0069] There are two ways to generate OOK modulation: one is a multi-carrier (MC-OOK) signal based on the OFDM architecture, and the other is a single-carrier OOK signal.

[0070] For multi-carrier OOK signals based on the OFDM architecture, the design idea is to maintain the base station's transmitting architecture. Therefore, appropriate data is sent on the OFDM subcarriers to make them appear as square wave signals in the time domain. The generation framework is shown in Figure 4.

[0071] For single-carrier OOK signals, a unipolar non-return-to-zero code sequence is used to control the on and off of the incident carrier or continuous wave (CW). Its modulation method is simple and suitable for low-power signals.

[0072] 2) O-QPSK or DBPSK

[0073] Active tags can use offset quadrature phase-shift keying (O-QPSK) or differential binary phase-shift keying (DBPSK) modulation to send data. These two modulation methods belong to constant envelope modulation technology. The two modulation methods are described as follows:

[0074] The O-QPSK modulation process can be described as follows: the serial input binary data stream is split into two different transmission paths, the I path and the Q path. The "I" component is in-phase with the data waveform, and the "Q" component is in quadrature with the data waveform. That is, the even-numbered bits of the original input data are assigned to the I path, and the odd-numbered bits are assigned to the Q path. The in-phase and quadrature paths are staggered by half a symbol period. The I and Q paths are then used to modulate the carrier, using one of four discrete phase variations to represent each transmitted symbol (a bit pair).

[0075] BPSK and QPSK are similar in that both use phase to carry symbol information. For example, when the input symbol is a "1," the baseband modulator outputs a 1 (phase 0 degrees); when the input symbol is a "0," the baseband modulator outputs a -1 (phase 0 degrees). However, BPSK suffers from phase ambiguity, which occurs when the recovered digital information changes from a "0" to a "1" or vice versa, resulting in erroneous recovery. This phenomenon, caused by the phase inversion of the local reference carrier and resulting in erroneous recovery in the receiving system, is called "phase ambiguity." To address this issue, differential encoding was introduced, allowing decoding at the receiving end to be based on phase changes rather than the absolute phase value. This is the result of DBPSK.

[0076] It is worth mentioning that in order to obtain better link performance and anti-interference performance, the original bit information is expanded by using extended sequences and / or coding. Common processing methods include O-QPSK transmission and extended sequences as shown in Figure 5, and DBPSK modulation and extended sequences as shown in Figure 6.

[0077] 3) MSK and GMSK modulation

[0078] Minimum Shift Keying (MSK) is a constant envelope continuous phase modulation, which is developed from binary Frequency Shift Keying (FSK) modulation. In FSK, the carrier frequency changes with the random changes of the modulating signal. The modulating signal is usually "0" or "1", and the phase after modulation is discontinuous. If the phase is continuous, it is called Continuous Phase Frequency Shift Keying (CP-FSK). The so-called MSK modulation method is a special form of CP-FSK with a modulation index of 0.5. The MSK modulation principle can be expressed as the following formula:

[0079] make Among them, θ k The additional phase function is used to ensure the phase continuity between different symbols, ω c t is the carrier angular frequency, T s is the code element width; a k is the phase constant of the kth symbol. The modulation block diagram of MSK is shown in Figure 7.

[0080] Because MSK's phase path is a curve, and its power spectrum sidelobes, as observed on a spectrum analyzer, deviate from the center frequency, attenuating slowly, a Gaussian filter is added before MSK modulation to compensate for its shortcomings and improve attenuation performance. This modulator is therefore called Gaussian Minimum Shift Keying (GMSK). As shown in the GMSK signal modulation principle diagram in Figure 8, GMSK modulation involves adding a Gaussian low-pass filter before the MSK modulator, resulting in a smoother signal and significantly improved power spectrum sidelobe attenuation. After MSK modulation, the resulting symbol data, namely the I and Q paths, is expressed as follows:

[0081] Where A represents the signal envelope, ω c represents the carrier angular frequency, Represents the information phase.

[0082] 3. Classification and Characteristics of AIoT Devices in the 3rd Generation Partnership Project (3GPP)

[0083] In the 3GPP R19 AIoT research, ambient IoT devices are characterized based on their energy storage capacity and their ability to generate radio frequency signals for transmission. The AIoT device has one of the following energy storage capabilities:

[0084] Storage capacity 1: No ability to store energy;

[0085] Storage capacity 2: Energy can be stored up to E1 or E2 joules, where it is possible for E1 = E2;

[0086] Storage capacity3: Energy can be stored up to E2 joules.

[0087] Depending on these storage capacities, the study considered the following set of ambient IoT devices:

[0088] Device A: No energy storage, no independent signal generation / amplification, i.e. backscatter transmission;

[0089] Device B: has energy storage but no independent signal generation, i.e. backscatter transmission. Utilization of stored energy may include amplification of the reflected signal.

[0090] Device C: has energy storage and independent signal generation, i.e., active RF components for transmission.

[0091] 4. Connection topology and deployment scenarios of AIoT devices

[0092] 1) As shown in Figure 9a, in the connection topology 1 of the AIoT device, the AIoT device and the base station (BS) establish a bidirectional direct connection.

[0093] 2) As shown in Figure 9b, in the AIoT device connection topology 2, the AIoT device establishes a bidirectional connection with an intermediate node. The intermediate node can be a relay node, IAB node, user equipment (UE), repeater, etc. The intermediate node transmits the data and / or signaling of the AIoT device to the base station, and vice versa.

[0094] 3) As shown in Figures 9c and 9d, in AIoT device connection topology 3, the AIoT device sends data / signaling to the base station and receives data / signaling from an auxiliary node; or the AIoT device receives data / signaling from the base station and sends data / signaling to an auxiliary node. The auxiliary node can be a relay, IAB node, UE, repeater, etc.

[0095] 4) As shown in Figure 9e, in the connection topology 4 of the AIoT device, the AIoT device and the UE establish a bidirectional direct connection.

[0096] It should be noted that the ultra-low power communication module in the embodiments of this application is similar to the above-mentioned AIoT device, except that the communication device equipped with the ultra-low power communication module also has a main communication module. For ease of explanation, the AIoT device mentioned in the following embodiments of this application refers to the ultra-low power communication module.

[0097] 5. NR Power Control

[0098] The NR protocol defines power control for uplink channels or signals, such as the Physical Uplink Shared Channel (PUSCH), Physical Uplink Control Channel (PUCCH), Sounding Reference Signal (SRS), and Physical Random Access Channel (PRACH).

[0099] 1) Power control of PUSCH:

[0100] If a UE transmits a PUSCH on the active uplink (UL) bandwidth part (BWP) b of carrier f in serving cell c using parameter set configuration indexed j and PUSCH power control process indexed l, the UE shall set the PUSCH transmission power P at PUSCH transmission opportunity i to PUSCH,b,f,c (i,j,q d ,l) is determined as:

[0101] Among them, the parameter j is used to represent the parameter configuration index of the open-loop power control (for example, j = 0 represents PUSCH in RACH, j = 1 represents PUSCH related to the configured grant, and j> = 2 represents PUSCH with dynamic grant), the parameter l is used to represent the process index of the closed-loop power control, and qd Indicates the reference signal index. CMAX,f,c (i) is the maximum transmit power of the UE at time i, which is defined for the carrier and cell; P O_PUSCH,b,f,c (j) is the target received power (on a resource block (RB) with a 15kHz subcarrier spacing (SCS)) of the open-loop control configuration index j, which is defined for BWP, carrier, and cell; PL b,f,c (q d ) is the reference signal q used by the UE d The estimated downlink path loss is defined for BWP, carrier, and cell; α b,f,c (j) is the partial path loss compensation factor defined by the open-loop control configuration index j, which is defined for BWP, carrier, and cell; Δ TF,b,f,c (i) defines the transmit power required by the UE for each RE at time i. It is defined for BWP, carrier, and cell. It is only used for single-layer transmission and is 0 for multi-layer transmission. is the number of RBs for PUSCH at time i. Combined with SCS, it determines the total bandwidth of PUSCH, which is defined for BWP, carrier, and cell. b,f,c (i, l) is the offset value introduced by the closed-loop power control process l at time i, which is the sum of the power adjustment values ​​indicated by the transmit power control (TPC) commands at the past time, that is, Wherein, δPUSCH,b,f,c(m,l) is the power adjustment value indicated by the mth TPC command of the lth closed-loop power control process, which is defined for BWP, carrier and cell.

[0102] 2) Power control of PUCCH:

[0103] If a UE uses the PUCCH power control process with index 1 to transmit a PUCCH on the active UL BWP b of carrier f in primary cell c, the UE sets the PUCCH transmit power P in PUCCH transmission opportunity i to PUCCH,b,f,c (i,q u ,q d ,l) is determined as:

[0104] Among them, q u It is the index of PUCCH (UE may need to transmit multiple PUCCHs at the same time).

[0105] It is worth noting that the above-mentioned PUCCH power control and PUSCH power control include the following differences:

[0106] i) No partial path loss compensation factor;

[0107] ii)P O_PUCCH,b,f,c (q u ) is the qth u The target received power of each PUCCH is defined for BWP, carrier and cell;

[0108] iii)Δ F_PUCCH (F) represents the power control bias that needs to be introduced for different PUCCH formats (F). For example, if the power control bias of different PUCCH formats is introduced, Δ F_PUCCH (F0) corresponds to PUCCH format 0, Δ F_PUCCH (F1) corresponds to PUCCH format 1, Δ F_PUCCH (F2) corresponds to PUCCH format 2, Δ F_PUCCH (F3) corresponds to PUCCH format 3, Δ F_PUCCH (F4) corresponds to PUCCH format 4; otherwise, Δ F_PUCCH (F)=0.

[0109] iv)g b,f,c (i, l) is the offset value introduced by the closed-loop power control process l at time i, and is the sum of the power adjustment values ​​indicated by the TPC commands at past time points.

[0110] 3) Power control of SRS:

[0111] If the UE uses the SRS power control process with index 1 to transmit SRS based on the configuration of the SRS resource set on the active UL BWP b of the carrier f of the serving cell c, the UE sets the SRS transmission power P in the SRS transmission opportunity i to SRS,b,f,c (i,q s ,l) is determined as:

[0112] Among them, PL b,f,c (q d ) represents the reference signal q d Estimated downlink path loss.

[0113] It is worth noting that the power control of the SRS and the power control of the PUSCH have the following differences:

[0114] i)P O_SRS,b,f,c (q s ) is the qth s The SRS target received power of each SRS resource set is defined for BWP, carrier and cell;

[0115] ii)MSRS,b,f,c (i) is the number of RBs of SRS at time i. Combined with SCS, it determines the total bandwidth of SRS, which is defined for BWP, carrier and cell;

[0116] iii)α SRS,b,f,c (q s ) is the SRS resource set q s The partial path loss compensation factor is defined for BWP, carrier and cell;

[0117] iv)h b,f,c (i, l) is the offset value introduced by closed-loop power control process l at time i, which can be the same as the PUSCH power control offset value, or (when there is no PUSCH transmission) the sum of the power adjustment values ​​indicated by the TPC commands at past time points.

[0118] 4) Power control of PRACH:

[0119] The UE determines the transmission power P of the physical random access channel (PRACH) on the active UL BWP b of carrier f of cell c based on the downlink (DL) reference signal (RS) of cell c in transmission opportunity i. PRACH,B,F,c (i) is defined as:

[0120] P PRACH,b,f,c (i) = min{P CMAX,f,c (i),P PRACH,target,f,c +PL b,f,c};

[0121] It is worth noting that the power control of the PRACH described above differs from the power control of the PUSCH in the following ways:

[0122] i)P PRACH,target,f,c It is the target received power of PRACH, given by the parameter: PREAMBLE_RECEIVED_TARGET_POWER, which is defined for BWP, carrier and cell;

[0123] ii)PL b,f,c It is the downlink path loss estimated by the UE using the uniquely associated reference signal (referenceSignalPower–higher layer filtered RSRP in dBm), which is defined for BWP, carrier, and cell.

[0124] As can be seen from the above, the transmit power control method defined by NR is designed based on the assumption of multi-carrier signals such as OFDM / DFT-S-OFDM and the UE-gNB / IAB direct connection topology. However, the ultra-low power communication module may use single-carrier signals such as OOK / ASK / FSK, and the connection topology is not limited to the simple direct connection topology. For example, it may be a split architecture of topology 3. Therefore, the transmit power control method in the relevant technology is not applicable to the power control of ultra-low power communication modules.

[0125] For example, the power control of PUSCH, PUCCH, and SRS all need to consider the signal format, that is, the bandwidth occupied by the signal (number of RBs and SCS), and the number of bits that each resource element (RE) needs to carry (Bits Per RE), and the occupied bandwidth is calculated based on the assumption of OFDM signals. However, the extremely low-power communication module may need to adopt new signals. Possible signal types include: OOK, ASK, FSK, GMSK, O-QPSK, DBPSK, etc., and these signals are all single-carrier modulated signals. The actual occupied bandwidth of different signals and the number of bits required for each symbol will affect the calculation of the transmit power. The power calculation formula of NR in the related art is calculated based on an OFDM signal with a certain subcarrier spacing (such as 15kHz), which cannot be directly used for the power calculation of a single-carrier signal. Therefore, the related art lacks a transmit power control method for extremely low-power communication modules.

[0126] Among them, single-carrier modulation is defined as a modulation technology that uses only one carrier within a fixed frequency band. For single-carrier modulation, one symbol can carry up to two orthogonal signals (divided into I and Q). When the symbol rate and transmission pulse are fixed, the bandwidth occupied by the single-carrier signal is also fixed. For example, assuming a double-sideband ASK signal, if the transmission pulse is an ideal time-domain sinc signal, then the bandwidth occupied by the signal is 1 / T s , where T s It is the time width of one pulse and also the time length of one modulation symbol.

[0127] 6. Non-IoT devices integrating extremely low-power communication modules

[0128] Ultra-low-power communication modules are typically used solely on terminals with high requirements for power consumption, complexity, and battery life, such as IoT terminals. An expanded application scenario involves applying the ultra-low-power communication module to non-IoT devices, such as mobile phones, including both terminals and network-side devices. This allows the device to have both a main communication module and an ultra-low-power communication module. The main communication module offers higher speed and spectral efficiency, but also consumes more power. If left on for extended periods, this reduces the device's battery life and makes it suitable for transmitting large amounts of data in a short period of time. The ultra-low-power communication module, on the other hand, may offer lower speed and spectral efficiency, but consumes very little power. It is suitable for transmitting small amounts of data over long periods of time or for monitoring control plane signaling to avoid or reduce the additional latency caused by discontinuous reception (DRX). Figure 10 illustrates information exchange between a terminal equipped with both the main communication module and the ultra-low-power communication module and a network-side device. The two devices exchange first and second information via the ultra-low-power communication module, and then interact with the main communication module within the device, such as waking up the main communication module for further operations.

[0129] In an embodiment of the present application, based on the transmission signal and topological structure characteristics of a non-Internet of Things device that integrates an extremely low power consumption communication module, a method for controlling the transmission power of the extremely low power consumption communication module and a configuration method for power control of the extremely low power consumption communication module and the main communication module are provided.

[0130] For the sake of convenience, the following terms in the embodiments of this application are first explained:

[0131] 1) The first communication module, namely the main communication module, is also referred to as the MR. The main communication module generally refers to a module that supports traditional communication modes (such as 4G, 5G, etc.), for example, a module that supports OFDM communication (including uplink and / or downlink).

[0132] 2) The second communication module, namely the extremely low-power communication module, is also referred to as LR. The extremely low-power communication module refers to a module that supports sending signals in a backscatter manner (such as Device A or Device B in AIoT) or sending signals in a low-power active carrier generation manner (such as Device C in AIoT) and / or supports a low-power receiving module (such as a low-power wake-up receiver).

[0133] Optionally, the ultra-low power communication module can also support energy harvesting (collecting energy from light, solar energy, wireless signals, etc.).

[0134] It should be noted that, for the backscatter signal transmission method, the excitation source signal can be generated by the terminal with the extremely low power consumption communication module itself or by another device. For example, the excitation source signal is generated by the main communication module on the first device, or the excitation source signal is generated by another device.

[0135] It is worth mentioning that the power consumption of the ultra-low power communication module is significantly lower than that of the main communication module. For example, the power consumption of the ultra-low power communication module is generally tens of microwatts to hundreds of microwatts, while the power consumption of the main communication module is generally tens of milliwatts to thousands of milliwatts; the cost of the ultra-low power communication module is also significantly lower than that of the main communication module.

[0136] The following describes in detail the transmit power control method, transmit power control apparatus, and related equipment provided by the embodiments of the present application through some embodiments and their application scenarios in combination with the accompanying drawings.

[0137] Referring to FIG11 , an embodiment of the present application provides a method for controlling transmission power, the execution subject of which is a first device. As shown in FIG11 , the method for controlling transmission power includes the following steps:

[0138] Step 111: A first device obtains first information. The first device includes a first communication module and a second communication module. The second communication module is an extremely low power consumption communication module.

[0139] Step 112. The first device determines a first target transmit power of the first communication module and a second target transmit power of the second communication module based on the first information; wherein the first target transmit power is used for the first communication module to send a first signal, and the second target transmit power is used for the second communication module to send a second signal.

[0140] In some implementations, after the first device determines the first target transmit power, the first device controls the first communication module to transmit the first signal according to the first target transmit power.

[0141] Optionally, the first target transmit power may be the transmit power on a specified time-frequency resource. In this case, the first device may control the first communication module to send the first signal according to the first target transmit power on the time-frequency resource corresponding to the first target transmit power.

[0142] In some implementations, after the first device determines the second target transmit power, the first device controls the second communication module to transmit the second signal according to the second target transmit power.

[0143] Optionally, the second target transmit power may be the transmit power on a specified time-frequency resource. In this case, the first device may control the second communication module to send a second signal according to the second target transmit power on the time-frequency resource corresponding to the second target transmit power.

[0144] The first device in the embodiment of the present application refers to a device having a first communication module and a second communication module, which can specifically be a network side device or a terminal. For the sake of convenience of explanation, in the embodiment of the present application, the first device is usually taken as an example where the terminal is used as an example.

[0145] It should be noted that, in actual application scenarios, the execution order of the above steps 113 and 114 can be to execute step 113 first and then step 114, or to execute step 114 first and then step 113, or to execute step 113 and step 114 at the same time. The flow chart of the transmission power control method shown in Figure 11 is only an example and does not limit the execution order of step 113 and step 114.

[0146] In some implementations, the first signal sent by the first communication module may be an OFDM signal, and the second signal sent by the second communication module may be a single carrier signal.

[0147] Of course, in addition to OFDM signals and single-carrier signals, the first signal and the second signal may also be a combination of other types of signals, which is not specifically limited here.

[0148] In some embodiments, the first information may directly indicate the first target transmission signal and the second target transmission signal, or may indicate related information used to determine the first target transmission signal and the second target transmission signal.

[0149] In some implementations, the manner in which the first device obtains the first information may include at least one of the following:

[0150] Receiving at least part of the first information configured by the network side (the second device);

[0151] Acquiring at least part of the first information stored or calculated locally, for example, the terminal acquires a first adjustment value configured on the network side, and the first target transmit power of the first communication module is locally known;

[0152] At least part of the first information agreed upon in the protocol is obtained.

[0153] In an embodiment of the present application, for a first device that has both a main communication module (i.e., a first communication module) and an extremely low power consumption communication module (i.e., a second communication module), power control of the two communication modules on the first device can be performed based on the first information, so that the first target transmission power of the first signal sent by the main communication module on the first device and the second target transmission power of the second signal sent by the extremely low power consumption communication module on the first device are more flexible, thereby improving the communication performance of the first device.

[0154] In some embodiments, the first information includes at least one of the following:

[0155] a first target transmit power and a first adjustment amount of the first communication module, wherein the second target transmit power is determined based on the first target transmit power and the first adjustment amount;

[0156] a first parameter and a second adjustment amount of the first communication module, wherein the second parameter is determined based on the first parameter and the second adjustment amount;

[0157] a second target transmit power and a third adjustment amount of the second communication module, wherein the first target transmit power is determined based on the second target transmit power and the third adjustment amount;

[0158] a second parameter and a fourth adjustment amount of the second communication module, wherein the first parameter is determined based on the second parameter and the fourth adjustment amount;

[0159] The first and second parameters;

[0160] The first parameter includes a parameter used to determine the first target transmit power; the second parameter includes a parameter used to determine the second target transmit power.

[0161] Implementation method 1: the first information includes a first target transmit power and a first adjustment amount of the first communication module.

[0162] In this embodiment, the difference between the first target transmit power of the first communication module and the second target transmit power of the second communication module and the corresponding first target transmit power can be used as the first adjustment amount. In this way, by indicating the first adjustment amount, the corresponding second target transmit power can be determined with the first target transmit power as a reference.

[0163] For example: the network indicates or agrees on a power adjustment amount Δ MR->LR The second target transmit power of a target transmit channel (PUSCH, PRACH, SRS, PUCCH, etc.) of LR is the first target transmit power of the corresponding channel of the main communication module and the adjustment amount Δ MR->LR sum.

[0164] Specifically, P LR,PUSCH,b′,f′,c′ (i′,j′,q′ d ,l′)=P MR,PUSCH,b,f,c (i,j,q d ,l)+Δ MR->LR ; P LR,PUCCH,b′,f′,c′ (i′,q u ′,q′ d ,l′)=P MR,PUCCH,b,f,c (i,q u ,q d ,l)+Δ MR->LR ; P LR,SRS,b′,f′,c′ (i′,q s ′,l′)=P MR,SRS,b,f,c (i,q s ,l)+Δ MR->LR ; P LR,PRACH,b′,f′,c′ (i′)=P MR,PRACH,b,f,c (i)+Δ MR->LR ;

[0165] Among them, parameter i is the symbol / time index; parameter j is the parameter configuration index of open-loop power control (for example, j=0 indicates PUSCH in RACH, j=1 indicates PUSCH related to configured grant, and j>=2 indicates PUSCH with dynamic grant); parameter l is the process index of closed-loop power control; q d is the reference signal index; q u is the index of PUCCH; q s is the SRS resource set index; c is the serving cell index; f is the carrier index; and b is the bandwidth part (BWP) index.

[0166] The meaning of the above b',c',f',i',j',q',l' is similar to that of the above b,c,f,i,j,q,l, except that b',c',f',i',j',q',l' is used for LR and b,c,f,i,j,q,l is used for MR.

[0167] In some embodiments, b, c, f, i, j, q, l of MR may be the same as b', c', f', i', j', q', l' of LR.

[0168] In some other embodiments, at least one of b,c,f,i,j,q,l of MR and b',c',f',i',j',q',l' of LR may be different. In this case, the first device may obtain the association relationship between b,c,f,i,j,q,l of MR and b',c',f',i',j',q',l' of LR based on network-side indication or protocol agreement, thereby determining the second target transmit power of the associated b',c',f',i',j',q',l' based on the first target transmit power of b,c,f,i,j,q,l as a reference, or determine the first target transmit power of the associated b,c,f,i,j,q,l based on the second target transmit power of b',c',f',i',j',q',l' as a reference.

[0169] In one embodiment, P LR,PUSCH,b′,f′,c′ (i′,j′,q′ d ,l′) indicates that when the LR uses the parameter set configuration with index j′ and the PUSCH power control process with index l′ to send PUSCH on the active uplink (UL) bandwidth part (BWP) b′ of carrier f′ of serving cell c′, the LR will set the second target transmit power of the PUSCH at PUSCH transmission opportunity i′;

[0170] P MR,PUSCH,b,f,c (i,j,q d ,l) indicates that when the MR uses the parameter set configuration with index j and the PUSCH power control process with index l to transmit PUSCH on the active uplink (UL) bandwidth part (BWP) b of carrier f in serving cell c, the LR will use the second target transmit power of the PUSCH at PUSCH transmission opportunity i;

[0171] Corresponding to PUSCH, the above P LR,PUCCH,b′,f′,c′ (i′,q u ′,q′ d ,l′) represents the second target transmit power of PUCCH transmitted by LR, P MR,PUCCH,b,f,c (i,q u ,q d ,l) represents the first target transmit power of the PUCCH transmitted by the MR; the above P LR,SRS,b′,f′,c′ (i′,q s ′, l′) represents the second target transmission power of the SRS transmitted by the LR, P MR,SRS,b,f,c (i,q s ,l) represents the first target transmission power of the SRS transmitted by MR; the above P LR,PRACH,b′,f′,c′(i′) represents the second target transmit power of the PRACH transmitted by the LR, P MR,PRACH,b,f,c (i) represents the first target transmit power of the PRACH transmitted by the MR, which will not be described in detail here.

[0172] Implementation method 2: the first information includes the second target transmit power and the third adjustment amount of the second communication module.

[0173] The differences between this embodiment and the above-mentioned embodiment 1 include: in this embodiment 2, the second target transmit power is used as a reference, and the second target transmit power is adjusted based on the third adjustment amount to obtain the corresponding first target transmit power.

[0174] In the above-mentioned embodiments 1 and 2, the method for performing power control on the other module using one of the first communication module and the second communication module as a reference module is more suitable for performing incremental power control when another module is activated during the operation of one module, thereby avoiding requiring the first device to reacquire all power control parameters and re-estimate the path loss, thereby saving signaling overhead and delay in the power control process.

[0175] Implementation method three: the first information includes a first parameter and a second adjustment value of the first communication module.

[0176] In this embodiment, the first parameter may be adjusted based on the second adjustment amount to obtain the second parameter. Thereafter, the first device may calculate the first target transmit power based on the first parameter and the second target transmit power based on the second parameter.

[0177] Among them, the first parameter of the first communication module can refer to the parameters in the power control calculation formula of NR in the relevant technology, and will not be repeated here.

[0178] The second parameter of the second communication module may be a parameter in a power control calculation formula for the second signal.

[0179] In some embodiments, the first parameter includes at least one or a combination of at least two of the following parameters corresponding to the first communication module:

[0180] a first target received power, a first path loss, a first maximum transmit power, a type of the first signal, an offset value for a first closed-loop power control, the number of RBs in the occupied bandwidth of the first signal, the number of subcarriers contained in each RB of the first signal, the average number of bits carried by each resource element (RE) in the first signal, and a first partial path loss compensation factor;

[0181] The first path loss is the path loss between the first device and a third device, and the third device is a receiving end device of the first signal;

[0182] or,

[0183] The second parameter includes at least one or a combination of at least two of the following parameters corresponding to the second communication module:

[0184] second target received power, second path loss, second maximum transmit power, type of the second signal, time length of a symbol in the second signal, frequency domain width of a symbol in the second signal, offset value of the second closed-loop power control, number of RBs in the occupied bandwidth of the second signal, number of subcarriers contained in each RB of the second signal, average number of bits carried by each symbol in the second signal, and second partial path loss compensation factor;

[0185] The second path loss is the path loss between the first device and a fourth device, and the fourth device is a receiving end device of the second signal.

[0186] In some implementations, the fourth device and the third device may be the same device or different devices, which is not specifically limited herein.

[0187] Specifically, the fourth device may be the base station in Figure 9a, the relay node in Figure 9b, the amplitude node in Figure 9c, the base station in Figure 9d, and the UE in Figure 9e. The fourth device may be the base station in Figure 9a, the relay node in Figure 9b, the base station in Figure 9c, the auxiliary node in Figure 9d, and the UE in Figure 9e.

[0188] In some implementations, the manner of calculating the second target transmit power according to the second parameter includes the following two methods:

[0189] Method 1: Convert relevant parameters of the second signal into parameters of the OFDM signal, and substitute the converted parameters into an uplink power calculation formula in related technologies to calculate the second target transmit power of the second signal.

[0190] For example: If the second signal is a single-carrier signal, the parameters of the second signal can be converted into parameters of an equivalent OFDM signal, and the parameters of the equivalent OFDM signal can be substituted into the power control calculation formula of NR in the relevant technology to obtain the second target transmission power of the single-carrier signal.

[0191] As an optional implementation manner, the second parameter represents a parameter of an OFDM signal equivalent to the second signal. In this case, the second target transmit power can be determined based on the following formula according to the second parameter:

[0192] Wherein, P' represents the second target transmission power; P' CMAX represents the maximum transmission power of the second communication module; P' O Indicates the target received power of the equivalent OFDM signal on one RB; represents the number of RBs of the bandwidth B occupied by the second signal; PL' represents the path loss of the second signal; Δ' TF represents the transmission power required by the second communication module in each resource element RE; f' represents the bias value for closed-loop power control of the second signal.

[0193] In some embodiments, Δ' TF Determined based on the following formula:

[0194] in, γ' represents the average number of bits carried by each symbol of the second signal; γ" represents the average number of bits carried by each RE of the second signal; It represents the number of OFDM subcarriers contained in one RB of the second signal; β'0 and β'1 are offset values.

[0195] It should be noted that γ' obtains the average number of bits on each single carrier symbol, while Δ TF It is defined according to the average number of bits carried by one RE, so it is also necessary to divide γ' by An average number of bits carried by each RE of the second signal is obtained.

[0196] Optionally, the above-mentioned second target transmit power may specifically refer to the second target transmit power of the second signal calculated based on the reference signal q' and the l'th closed-loop power control process at the i'th symbol / transmission time and the j'th open-loop control configuration. For simplicity, the above-mentioned i', j', q', and l' parameters are omitted in the calculation formula of the target transmit power in the embodiment of the present application.

[0197] For example, the second target transmit power for the second signal at the i'th symbol / transmission time, the j'th open-loop control configuration, based on the reference signal q', and the l'th closed-loop power control process can be calculated based on the following formula:

[0198] Among them, P' O (j') is defined the same as NR in the related art, which is the target received power of the equivalent OFDM signal assumed on one RB with a 15 kHz SCS.

[0199] The above-mentioned β'0 and β'1 are two bias values ​​related to the transmission channel (data / signaling), modulation mode, etc., which can be constants or functions of j' and l', where l' is the power control process index; j' is the open-loop control configuration index; β'0 and β'1 are optional parameters. In the embodiment of the present application, the optionality of a parameter means that the power adjustment does not change with the parameter (for example: when β'0 and β'1 are 1, it is equivalent to not taking effect).

[0200] f'(i',l') is the bias value introduced by the closed-loop power control process l' at time i'. It can be an absolute value indicated by signaling or a differential value indicated by the network. The UE obtains the absolute value through cumulative summation. Optionally, if closed-loop power control has not yet taken effect, such as when TPC signaling has not been received or before a connection is established, f'(i',l')f(i,l) may not exist. In this case, only open-loop power control is in effect.

[0201] Optionally, the target transmit power may also be defined for BWP b', carrier f' and cell c'. For simplicity, the calculation formula for the target transmit power in the embodiment of the present application omits the b', f', c' parameters.

[0202] In this embodiment, by converting the parameters of the second signal into parameters of an equivalent OFDM signal, the second target transmit power of the second communication module for the second signal can be calculated based on the power control calculation formula for NR in the related art.

[0203] Method 2: Design an uplink power calculation formula for the second signal, and substitute the second parameter corresponding to the second signal into the formula to calculate the second target transmit power of the second signal.

[0204] As an optional implementation, the second signal is a single-carrier signal, and the second parameter is represented by a parameter in a power control calculation formula defined for the second signal. In this case, the second parameter can be substituted into the following formula to obtain the second target transmit power: P'=min{P' CMAX ,P' O,S +PL'+Δ' TF,S +f'};

[0205] Among them, P' O,S Indicates the target received power on a single carrier symbol; Δ' TF,S Indicates the transmission power required by the second communication module in each single carrier symbol.

[0206] In some implementations, since the single carrier signal that may be modulated at each moment is different, P' O,SThe average power of the second signal can be taken, or the power sum accumulated over a fixed bandwidth can be taken from the power spectral density of the second signal as P' O,S .

[0207] For example, assuming that the second signal is an OOK / ASK signal, if there are two modulation symbols, 0 and 1, which appear with equal probability, then the average power is 0.5.

[0208] Another example: based on the calculated / measured power spectral density (PSD) of a random signal, the power can be accumulated in a certain area within a certain bandwidth according to certain criteria, and the total power can be used as P O,S , for example, only the area within the first main lobe is selected for power accumulation.

[0209] In some embodiments, Δ' TF,S Determined based on the following formula:

[0210] in, T' s represents the time length of a single carrier symbol in the second signal; B' represents the frequency domain width of a single carrier symbol in the second signal; β'2 and β'3 are two offset values.

[0211] Optionally, the above-mentioned second target transmit power may specifically refer to the second target transmit power of the second signal calculated based on the reference signal q' and the l'th closed-loop power control process at the i'th symbol / transmission time and the j'th open-loop control configuration. For simplicity, the above-mentioned i', j', q', and l' parameters are omitted in the calculation formula of the target transmit power in the embodiment of the present application.

[0212] For example, the second target transmit power at the i'th symbol / transmission time, the j'th open-loop control configuration, based on the reference signal q', and the l'th closed-loop power control process can be calculated based on the following formula: P'(i',j',q',l')=min{P' CMAX (i'),P' O,S (i')+PL'(q')+Δ' TF,S +f'(i',l')};

[0213] Among them, P' O,S (i') is defined as the second target received power on a single carrier symbol. It is independent of the bandwidth but is related to the modulation scheme. For example, it can be defined as the average power under a certain modulation scheme, the 3dB bandwidth power of the average power spectral density, etc.

[0214] In general, T sB=1, but in high spectrum efficiency communication, T s B<1;

[0215] β'2 and β'3 are two bias values ​​related to the transmission channel (data / signaling) and modulation mode of the second signal. They can be constants or functions of j' and l', defined by the network side or protocol. β'2 and β'3 are optional parameters. In this embodiment of the application, the optionality of a parameter means that the power adjustment does not change with the parameter (for example, when β'2 and β'3 are 1, the power adjustment is not effective).

[0216] In this embodiment, when the second signal is a single-carrier signal, a calculation formula for the uplink transmit power of a single-carrier signal is defined based on the characteristics of the single-carrier signal. Thus, the second parameter of the single-carrier signal can be directly substituted into the above formula to calculate the second target transmit power of the second communication module for the single-carrier signal.

[0217] Implementation method 4: the first information includes the second parameter and the fourth adjustment value of the second communication module.

[0218] The differences between this embodiment and the third embodiment include: in the fourth embodiment, the second parameter is used as a reference and the second parameter is adjusted based on the fourth adjustment amount to obtain the first parameter.

[0219] The above-described third and fourth embodiments enable joint power control of the first and second communication modules, thereby configuring the power control parameters of the two communication modules through a single power parameter configuration process. For example, if both communication modules need to be turned on simultaneously when the first device is turned on, the power control parameters of the two communication modules can be obtained based on the above-described third and fourth embodiments.

[0220] Implementation method five: the first information may directly indicate the first parameter and the second parameter.

[0221] In this implementation, the first device may directly obtain the first parameter and the second parameter, and respectively calculate the first target transmit power and the second target transmit power based on the first parameter and the second parameter.

[0222] In some embodiments, the method further comprises:

[0223] The first device obtains first association information;

[0224] In a case where the first information includes the first target transmit power and the first adjustment amount, the first association information is used to indicate an association relationship between the first target transmit power, the first adjustment amount, and the second target transmit power;

[0225] In a case where the first information includes the first parameter and the second adjustment amount, the first association information is used to indicate an association relationship between the first parameter, the second adjustment amount, and the second parameter;

[0226] In a case where the first information includes the second target transmit power and the third adjustment amount, the first association information is used to indicate an association relationship between the second target transmit power, the third adjustment amount, and the first target transmit power;

[0227] In a case where the first information includes the second parameter and the fourth adjustment value, the first association information is used to indicate an association relationship among the second parameter, the fourth adjustment value, and the first target transmit power.

[0228] In some embodiments, the first associated information may be associated information of b, f, c, i, j, q, l of the first signal and b′, ​​f′, c′, i′, j′, q′, l′ of the second signal.

[0229] Optionally, if b,f,c,i,j,q,l and the associated b′,f′,c′,i',j',q',l' have the same value, it means that the two are associated with each other.

[0230] Alternatively, the association relationship between b,f,c,i,j,q,l and b′,f′,c′,i',j',q',l' can be indicated through network-side indication or protocol agreement.

[0231] For the above-mentioned embodiment 1, the first association information is used to indicate the association relationship between the first target transmit power, the first adjustment amount and the second target transmit power. In this way, the first target transmit power can be adjusted using the first adjustment amount to obtain the second target transmit power associated with the first adjustment amount and the first target transmit power.

[0232] For the above-mentioned embodiment 2, the first association information is used to indicate the association relationship between the first parameter, the second adjustment amount and the second parameter, so that the first parameter can be adjusted using the second adjustment amount to obtain the second parameter associated with the second adjustment amount and the first parameter.

[0233] For the above-mentioned embodiment three, the first association information is used to indicate the association relationship between the second target transmit power, the third adjustment amount and the first target transmit power. In this way, the second target transmit power can be adjusted using the third adjustment amount to obtain the first target transmit power associated with the third adjustment amount and the second target transmit power.

[0234] For the above-mentioned fourth embodiment, the first association information is used to indicate the association relationship between the second parameter, the fourth adjustment amount and the first target transmission power, so that the second parameter can be adjusted using the fourth adjustment amount to obtain the first parameter associated with the fourth adjustment amount and the second parameter.

[0235] In some embodiments, the second adjustment amount includes at least one of the following:

[0236] Adjustment amount of target received power: +ΔP MR->LR,O,b′,f′,c′ ;

[0237] Adjustment of partial path loss compensation factor: ΔαMR->LR,b′,f′,c′;

[0238] Path loss adjustment: ΔPL MR->LR,b′,f′,c′ ;

[0239] Adjustment of the power control bias value: ΔfMR->LR,b′,f′,c′;

[0240] Other adjustments: For example, when the LR supports only uplink (UL only), the LR's power control can refer to the MR's downlink reference signal received power (RSRP) to calculate the path loss. However, the downlink path loss cannot be directly used as the UL path loss. This is because the MR and LR may use different frequencies and different signal formats. An additional path loss offset value needs to be added to compensate for these factors.

[0241] It should be noted that the second adjustment amount can be associated with parameters such as i, j, q, and l, such as ΔP MR->LR,O,b′,f′,c′ (i′,j′,q′,l′).

[0242] As an optional implementation, the method further includes:

[0243] The first device measures, by using the first communication module, a reference signal from the fourth device to obtain a third path loss;

[0244] The first device determines a path loss offset value according to a difference between the reference signal and the second signal;

[0245] The first device determines the second path loss according to the third path loss and the path loss offset value.

[0246] The third path loss may be a path loss between the first device and the fourth device measured based on a reference signal corresponding to the first communication module, and the second path loss is a path loss caused by transmitting the second signal between the first device and the fourth device.

[0247] It should be noted that the signal transmitted by the first communication module and the signal transmitted by the second communication module may be signals of different transmission formats or different bandwidths. Therefore, it is necessary to determine the path loss bias value between the path losses measured based on the two signals based on the difference between the reference signal measured by the first communication module and the second signal, and adjust the third path loss obtained by measuring the reference signal between the first device and the fourth device based on the first communication module based on the path loss bias value to obtain the second path loss between the second communication module and the fourth device.

[0248] It is worth mentioning that the path loss offset value may not be independently indicated by the second adjustment value, but may be included in the second path loss or the offset value of the second closed-loop power control.

[0249] In this implementation, the path loss measurement function of the first communication module may be used to determine the second path loss between the second communication module and the fourth device.

[0250] It should be noted that, in some embodiments, when the second communication module has a reference signal measurement function, the path loss measurement function of the second communication module can also be used to measure the second path loss between the second communication module and the fourth device.

[0251] In some implementations, when the signal transmission bandwidths of the first communication module and the second communication module are different:

[0252] The second adjustment amount includes a first power adjustment amount, and the first power adjustment amount is used to indicate a power adjustment caused by converting the signal transmission bandwidth of the first communication module to the signal transmission bandwidth of the second communication module; or

[0253] The fourth adjustment amount includes a second power adjustment amount, where the second power adjustment amount is used to indicate a power adjustment caused by converting the signal transmission bandwidth of the second communication module to the signal transmission bandwidth of the first communication module.

[0254] The first power adjustment amount and the second power adjustment amount are used to indicate power adjustments caused by different signal transmission bandwidths.

[0255] For example, when the first signal is an orthogonal frequency division multiplexing (OFDM) signal, the second signal is a single carrier signal, and the second target transmit power of the second signal is calculated using the OFDM signal transmission bandwidth definition:

[0256] The first power adjustment amount is:

[0257] The second power adjustment amount is:

[0258] in, The number of RBs of bandwidth B occupied by the second signal; The number of RBs occupied by the first signal in bandwidth B.

[0259] In some implementations, the second target transmit power is calculated using the OFDM bandwidth definition for the second signal. This may be achieved by converting parameters of the second signal into second parameters of an equivalent OFDM signal, and substituting the second parameters into the following formula to calculate the second target transmit power:

[0260] or,

[0261] Take the calculation of the second target transmit power based on the following formula as an example:

[0262] In the above embodiment 2, for the parameter item corresponding to the signal bandwidth in MR Since the signal bandwidth of LR is RBs (SCS is 2 μ′ ×15kHz), then the first power adjustment amount to be added is Right now equal

[0263] In the fourth embodiment above, it is assumed that the parameter item corresponding to the signal bandwidth in LR is Since the signal bandwidth of LR is RBs (SCS is 2 μ′ ×15kHz), if the signal bandwidth of MR is (for 2 μ ×15kHz), then the second power adjustment amount to be added is Right now equal

[0264] In some implementations, when the first signal is an orthogonal frequency division multiplexing (OFDM) signal, the second signal is a single carrier signal, and the second target transmit power is calculated using a bandwidth definition of a single carrier for the second signal:

[0265] The first power adjustment amount is:

[0266] The second power adjustment amount is:

[0267] in, Indicates the number of RBs occupied by the first signal in bandwidth B.

[0268] In some embodiments, the second signal adopts the bandwidth definition of a single carrier to calculate the second target transmit power, which can be calculated by substituting the second parameter into the following formula defined for a single carrier signal: P'=min{P' CMAX ,P' O,S +PL'+Δ' TF,S +f'}; or P'(i',j',q',l')=min{P' CMAX (i'),P' O,S (i')+PL'(q')+Δ' TF,S +f′(i′,l′)};

[0269] Take the following formula as an example to calculate the second target transmit power: P'(i',j',q',l')=min{P' CMAX (i'),P′ O,S (i')+PL'(q')+Δ′ TF,S +f′(i′,l′)};

[0270] In the above embodiment 2, for the parameter item corresponding to the signal bandwidth in MR Since there is no parameter corresponding to the signal bandwidth in the LR power control calculation formula, the first power adjustment amount that needs to be added is

[0271] In the fourth embodiment, since there is no parameter corresponding to the signal bandwidth in the power control calculation formula of LR, if the signal bandwidth of MR is (for 2 μ ×15kHz), then the second power adjustment amount to be added is

[0272] In some implementations, when the signal transmission formats of the first communication module and the second communication module are different:

[0273] The second adjustment amount includes a third power adjustment amount, and the third power adjustment amount is used to indicate the power adjustment caused by converting the signal transmission format of the first communication module into the signal transmission format of the second communication module; or,

[0274] The fourth adjustment amount includes a fourth power adjustment amount, and the fourth power adjustment amount is used to indicate the power adjustment caused by converting the signal transmission format of the second communication module into the signal transmission format of the first communication module.

[0275] The third power adjustment amount and the fourth power adjustment amount are used to indicate power adjustments caused by different signal transmission formats.

[0276] For example, the third power adjustment amount includes: Δ LR,TF -Δ MR,TF ;

[0277] The fourth power adjustment amount includes: Δ MR,TF -Δ LR,TF ;

[0278] Among them, Δ MR,TF represents the transmission power required by the first communication module in each resource element RE; Δ LR,TF Indicates the transmit power required by the second communication module in each RE;

[0279] In a case where the first signal is an orthogonal frequency division multiplexing (OFDM) signal, the second signal is a single carrier signal, and the second target transmit power is calculated using the bandwidth definition of OFDM for the second signal:

[0280] In a case where the first signal is an orthogonal frequency division multiplexing (OFDM) signal, the second signal is a single carrier signal, and the second target transmit power is calculated using a bandwidth definition of a single carrier for the second signal:

[0281] Wherein, γ' represents the average number of bits carried by each symbol in the second signal; Indicates the number of OFDM subcarriers contained in one RB; represents the number of RBs of the bandwidth B occupied by the second signal; β'0 and β'1 are two offset values; T s represents the time length of a single carrier symbol; B represents the frequency domain width of a single carrier symbol; β'2 and β'3 are two offset values.

[0282] In some implementations, at least one of the first power adjustment amount, the second power adjustment amount, the third power adjustment amount, and the fourth power adjustment amount may be indicated by the network side or agreed upon by protocol.

[0283] In other embodiments, at least one of the first power adjustment amount, the second power adjustment amount, the third power adjustment amount, and the fourth power adjustment amount can be determined by the first device based on the difference between the first signal sent by the first communication module and the second signal sent by the second communication module.

[0284] It should be noted that, when the adjustment amount in the first information (such as at least one of the first adjustment amount, the second adjustment amount, the third adjustment amount, and the fourth adjustment amount) is configured by the network side (such as the second device), the configuration method of the adjustment amount may include at least one of the following:

[0285] Configuration method 1: Directly configure the adjustment amount, where BWP, carrier, serving cell, i (occasion), j (parameter set configuration index), q (associated reference signal), l (power control adjustment state index) can be adjusted. For example: using the first target received power of MR's BWP 1 as a reference, adjust the second target received power value of LR's BWP 2, then directly indicate the value of P MR,O,1,f,c The first adjustment amount is ΔP MR->LR,O,2 , then the second target received power value of LR at any f and c can be obtained as P LR,O,2,f,c =P MR,O,1,f,c +ΔP MR->LR,O,2 .

[0286] Configuration method 2: predefine or configure at least two groups of possible adjustment value correspondences, and the network side instructs to activate one of the groups of adjustment values.

[0287] For example, configure at least two possible adjustment amounts based on the following Table 1:

[0288] Table 1

[0289] As shown in Table 1 above, each set of adjustment amounts is uniquely indicated by its own index (0, 1). Thereafter, the network side may indicate the index so that the first device uses a set of adjustment amounts corresponding to the index.

[0290] Configuration method three: configure the static power control parameters in the first parameter and the second parameter respectively, and indicate the dynamic power control parameters in the first parameter and the second parameter through TPC signaling.

[0291] In some implementations, when the first information includes the first parameter and the second parameter, the first device acquiring the first information includes:

[0292] The first device obtains first configuration information;

[0293] The first device receives transmission power control TPC signaling;

[0294] The first configuration information is used to configure a first static power control parameter and a second static power control parameter; the TPC signaling indicates a first dynamic power control parameter and a second dynamic power control parameter;

[0295] The first parameters include the first static power control parameter and the first dynamic power control parameter; the second parameters include the second static power control parameter and the second dynamic power control parameter.

[0296] In some implementations, the first configuration information represents static power control parameters, such as target received power, reference signal, partial path loss compensation factor, etc.

[0297] Optionally, the target static power control parameter includes at least one of the following:

[0298] Target received power;

[0299] Partial path loss compensation factor;

[0300] A parameter set consisting of a target receive power and a partial path loss compensation factor;

[0301] A reference signal for estimating path loss;

[0302] Maximum number of retransmissions;

[0303] Power ramp step size;

[0304] The target static power control parameter includes at least one of the first static power control parameter and the second static power control parameter.

[0305] In some embodiments, when the first communication module and the second communication module have the same type of channel / signal, the first configuration information may be configuration information for power control parameters of an OFDM communication module in the related art. For example, a field may be added to the configuration information for power control parameters of the OFDM communication module to indicate the first static power control parameter using an existing field in the related art, and to indicate the second static power control parameter using an additional field.

[0306] For example, for at least one channel or signal among PRACH, PUSCH, SRS, and PUCCH, the network side may indicate at least one item of the following parameter groups to the first device through the first configuration information:

[0307] 1) MR's target received power p0-MR, LR's target received power p0-LR;

[0308] Optionally, the first configuration information may indicate an offset value of the target receive power of the MR compared to a given threshold, and an offset value of the target receive power of the LR compared to a given threshold, for example, the target receive power of the Msg3 PUSCH may be an offset value compared to the target receive power of the PRACH.

[0309] 2) MR partial path loss compensation factor alpha-MR, LR partial path loss compensation factor alpha-LR;

[0310] 3) A parameter set consisting of the target received power of MR and LR and the partial path loss compensation factor;

[0311] 4) MR estimates the reference signal of the first path loss, and LR estimates the reference signal of the second path loss;

[0312] 5) Maximum number of retransmissions for MR and LR;

[0313] 6) MR power ramp-up step size, LR power ramp-up step size.

[0314] It should be noted that each of the above parameter groups may include 1 absolute value and 1 relative value. For example, if the absolute value of the parameter value of MR is directly indicated, and the parameter value of LR is indicated in the form of an offset value (Offset), then the parameter value actually used by LR is the sum / difference / product / quotient of the MR parameter value and the Offset.

[0315] In some embodiments, when at least one channel / signal is inconsistent between the first communication module and the second communication module, the first configuration information may indicate a first static power control parameter of at least one channel / signal of the MR and a second static power control parameter of at least one channel / signal of the LR.

[0316] It should be noted that, in this embodiment, although the power control parameters of MR and LR are configured separately and the signal / channel types of the two are different, the parameters of a channel / signal of MR or LR can still be used as reference parameters of a channel / signal of another module. Then, the first configuration information only needs to indicate the static power control parameters of the reference channel / signal and the offset value of the static power control parameters of the other module relative to the reference channel / signal.

[0317] In some implementations, the TPC signaling is used to indicate dynamic power control parameters, such as a power control offset value.

[0318] Optionally, the TPC signaling may be a TPC field in the DCI.

[0319] In this embodiment, the power of PUSCH, SRS or PUCCH can be dynamically adjusted through TPC signaling, and according to different usage scenarios, TPC signaling can indicate an absolute power offset value or a relative power offset value. The latter requires all relative power offset values ​​to be accumulated before power control can be performed.

[0320] Optionally, the target dynamic power control parameter includes at least one of the following:

[0321] a first power offset value and a first scaling factor, wherein a second power offset value is determined based on the first power offset value and the first scaling factor;

[0322] a second power offset value and a second scaling factor, the first power offset value being determined based on the second power offset value and the second scaling factor;

[0323] a first identifier, wherein the first identifier is associated with a first power offset value and a second power offset value;

[0324] a first power offset value and a second power offset value;

[0325] a target power offset value and first indication information, wherein the first indication information is used to indicate that the target power offset value is a power offset value of the first communication module or the second communication module;

[0326] Among them, the target dynamic power control parameter includes at least one of the first dynamic power control parameter and the second dynamic power control parameter; the first power offset value is the offset value of the first target transmit power; and the second power offset value is the offset value of the second target transmit power.

[0327] In some implementations, to use TPC signaling for adjusting the power of two modules, the TPC field may be redesigned and interpreted in at least one of the following ways:

[0328] Method 1: The network side indicates which of the first communication module and the second communication module the power bias value carried in the TPC field should be applied to. The first device interprets the scaling factor s from the TPC field and performs at least one of the summation / difference / product / quotient operations based on the power bias value in the TPC field and the scaling factor s to obtain the power bias value of the other communication module in the first communication module and the second communication module.

[0329] Optionally, the power offset value carried in the above TPC field may indicate an absolute power offset value, or a relative power offset value, which is not specifically limited here.

[0330] Method 2: The first identifier can be associated with the first power bias value and the second power bias value in advance through network side configuration or protocol agreement, and the first identifier can be carried through the TPC field. In this way, the first device can obtain two-dimensional information based on the one-dimensional TPC field based on a new interpretation method, that is, interpret the first power bias value and the second power bias value.

[0331] For example, the network side configures the association information between the first identifier and the first power offset value and the second power offset value through the following Table 2:

[0332] Table 2

[0333] As shown in Table 2 above, the TPC field carries a first identifier (i.e., 0 or 1), and the first device determines the LR absolute power offset value and the MR absolute power offset value indicated by the network side based on the first identifier carried by the TPC field, or the LR relative power offset value and the MR relative power offset value, or the LR absolute power offset value and the MR relative power offset value, or the LR relative power offset value and the MR absolute power offset value.

[0334] Method three: The TPC field is designed to indicate two TPC values, which are TPC values ​​of the first communication module and the second communication module respectively.

[0335] Optionally, TPC includes two fields, namely {TPC 1, TPC 2}, where TPC 1 acts on the MR or LR, and TPC 2 acts on another module.

[0336] Optionally, the interpretation tables of TPC 1 and TPC 2 may be the same or different, which is not specifically limited here.

[0337] Optionally, TPC 2 may indicate an offset value relative to TPC 1.

[0338] Mode 4: The TPC field may only be applied to one or both of the MR and the LR, and the communication module to which the TPC field is applied may be indicated explicitly or implicitly.

[0339] An implicit indication method is: assuming that the DCI where the TPC is located is a DCI that schedules only one module in the MR and LR, then the TPC value only applies to this module.

[0340] One display indication method is: another field different from the TPC field in the DCI indicates the module to which the TPC value applies, for example, the other field is: TPC_module, TPC_module=00 indicates that the LR applies, TPC_module=01 indicates that the MR applies, and TPC_module=10 indicates that both the LR and MR apply.

[0341] In this implementation, the target dynamic power control parameter can be interpreted from the TPC field by designing or interpreting the TPC field.

[0342] It is worth mentioning that in the NR protocol, the maximum transmit power is determined by the Radio Resource Control (RRC) parameter P-Max, but NR has only one communication module. In the embodiment of the present application, the first device has two communication modules. In this case, the maximum transmit power of the two communication modules needs to be limited.

[0343] As an optional implementation manner, the first target transmit power and the second target transmit power satisfy at least one of the following conditions:

[0344] First condition: the first target transmit power is less than or equal to the first maximum transmit power, and the second target transmit power is less than or equal to the second maximum transmit power;

[0345] Second condition: the sum of the first target transmit power and the second target transmit power is less than or equal to the target maximum transmit power, and the target maximum transmit power is the maximum total transmit power of the first communication module and the second communication module.

[0346] In some implementations, independent maximum transmit powers may be set for the MR and the LR. In this case, the target transmit power of the MR and the target transmit power of the LR need to be less than or equal to their respective maximum transmit powers.

[0347] Optionally, the network side may indicate a maximum transmit power P-Max and a scaling value P-Scale. In this case, P-Max may be used as the maximum transmit power of one of MR and LR, and the maximum transmit power of the other of MR and LR may be obtained by performing an operation (such as at least one of sum / difference / product / quotient) on P-Scale and P-Max.

[0348] In other implementations, a maximum transmit power may be set for the first device. In this case, the sum of the target transmit powers of the MR and the LR is less than or equal to the maximum transmit power of the first device.

[0349] In some implementations, when the first target transmit power and the second target transmit power do not satisfy the second condition, the method further includes:

[0350] Acquiring, by the first device, second indication information, where the second indication information is used to indicate a transmission power allocation method for the first communication module and the second communication module;

[0351] The first device updates the first target transmit power and the second target transmit power according to the second indication information and the target maximum transmit power, wherein the updated first target transmit power and second target transmit power meet the second condition.

[0352] In this embodiment, the second indication information indicates the transmission power allocation method of the LR and the MR, so as to prevent the sum of the target transmission powers of the LR and the MR from exceeding the maximum transmission power of the first device.

[0353] Optionally, the second indication information is used to indicate any one of the following:

[0354] the proportions of the first target transmit power and the second target transmit power in the total transmit power of the first device respectively; or

[0355] When the sum of the target transmit power of the first communication module and the target transmit power of the second communication module is greater than the target maximum transmit power, the target transmit power of the first communication module or the second communication module is preferentially reduced so that the sum of the first target transmit power and the second target transmit power is less than or equal to the target maximum transmit power.

[0356] In this embodiment, the second indication information may constrain the target transmit power of at least one of the MR and the LR in any of the following ways:

[0357] 1) Define a power ratio for at least one of the MR and LR. This allows you to determine the ratio of the transmit power of at least one of the MR and LR to the maximum transmit power of the first device based on the power ratio. For example, limit the maximum transmit power of the LR to less than or equal to 20% of the maximum transmit power of the first device, and the remaining 80% of the maximum transmit power of the first device is the maximum transmit power of the MR.

[0358] 2) When the sum of the target transmit powers of MR and LR calculated based on the power control calculation formula is greater than the maximum transmit power of the first device, the second indication information can be used to indicate how to reduce the transmit power of the first device, for example: scaling the target transmit powers of MR and LR so that the sum of the target transmit powers of MR and LR is less than or equal to the target maximum transmit power, or, it is possible to prioritize ensuring that the transmit power of MR or LR remains unchanged, and only reduce the transmit power of the other communication module so that the total transmit power of the first device is not less than or equal to the target maximum transmit power.

[0359] Optionally, the relevant parameters of the maximum transmit power of at least one of the above-mentioned MR and LR (such as the maximum transmit power of MR, the maximum transmit power of LR, the scaling value P-Scale, the maximum transmit power P-Max, the second indication information, etc.) can be based on RRC or other signaling indications.

[0360] In an embodiment of the present application, for a first device that has both a main communication module (i.e., a first communication module) and an extremely low power consumption communication module (i.e., a second communication module), power control of the two communication modules on the first device can be performed based on the first information, so that the first target transmission power of the first signal sent by the main communication module on the first device and the second target transmission power of the second signal sent by the extremely low power consumption communication module on the first device are more flexible, thereby improving the communication performance of the first device.

[0361] Referring to FIG12 , an embodiment of the present application further provides another transmit power control method, wherein the execution subject of the another transmit power control method is a second device. As shown in FIG12 , the another transmit power control method executed by the second device includes the following steps:

[0362] Step 121. The second device sends first information to the first device, where the first device includes a first communication module and a second communication module, and the second communication module is an extremely low power consumption communication module; the first information is used to determine the first target transmission power of the first communication module for the first signal and the second target transmission power of the second communication module for the second signal.

[0363] In some implementations, the second device may be a device configured to configure or indicate the first information to the first device, such as a network-side device. The network-side device may be an access network device or a core network device. Where the fourth device includes a core network device, the target receive power and other requirement information may be obtained using an application server in the core network, or the target transmit power may be calculated using a calculation function in the core network.

[0364] It should be noted that the above-mentioned first information, first device, first parameter, first communication module, second communication module, first signal, first target transmission power, second signal, and second target transmission power have the same meaning and function as the first information, first device, first parameter, first communication module, second communication module, first signal, first target transmission power, second signal, and second target transmission power in the first device side method embodiment, and will not be repeated here.

[0365] The embodiment of the present application corresponds to the first device side method embodiment, wherein the first device side method embodiment is used to determine the target transmission power of two communication modules on the first device, and the second device side method embodiment can control the transmission power of the two communication modules on the first device based on the first information control.

[0366] In some embodiments, the first information includes at least one of the following:

[0367] a first target transmit power and a first adjustment amount of a first communication module, wherein the second target transmit power is determined based on the first target transmit power and the first adjustment amount;

[0368] a first parameter and a second adjustment amount of the first communication module, wherein the second parameter is determined based on the first parameter and the second adjustment amount;

[0369] a second target transmit power and a third adjustment amount of the second communication module, wherein the first target transmit power is determined based on the second target transmit power and the third adjustment amount;

[0370] a second parameter and a fourth adjustment amount of the second communication module, wherein the first parameter is determined based on the second parameter and the fourth adjustment amount;

[0371] The first and second parameters;

[0372] The first parameter includes a parameter used to determine the first target transmit power; the second parameter includes a parameter used to determine the second target transmit power.

[0373] In some embodiments, the first parameter includes at least one or a combination of at least two of the following parameters corresponding to the first communication module:

[0374] a first target received power, a first path loss, a first maximum transmit power, a type of the first signal, a time length of a symbol in the first signal, a frequency domain width of a symbol in the first signal, an offset value for a first closed-loop power control, the number of RBs in a bandwidth B occupied by the first signal, the number of subcarriers contained in each RB of the first signal, the average number of bits carried by each symbol in the first signal, and a first partial path loss compensation factor;

[0375] The first path loss is the path loss between the first device and a third device, and the third device is a receiving end device of the first signal;

[0376] or,

[0377] The second parameter includes at least one or a combination of at least two of the following parameters corresponding to the second communication module:

[0378] second target received power, second path loss, second maximum transmit power, type of the second signal, time length of a symbol in the second signal, frequency domain width of a symbol in the second signal, offset value of the second closed-loop power control, number of RBs in bandwidth B occupied by the second signal, number of subcarriers contained in each RB of the second signal, average number of bits carried by each symbol in the second signal, and second partial path loss compensation factor;

[0379] The second path loss is the path loss between the first device and a fourth device, and the fourth device is a receiving end device of the second signal.

[0380] In some embodiments, the method further comprises:

[0381] The second device sends first association information to the first device;

[0382] Wherein, in a case where the first information includes the first target transmit power and the first adjustment amount, the first association information is used to indicate an association relationship between the first target transmit power, the first adjustment amount, and the second target transmit power;

[0383] In a case where the first information includes the first parameter and the second adjustment amount, the first association information is used to indicate an association relationship between the first parameter, the second adjustment amount, and the second parameter;

[0384] In a case where the first information includes the second target transmit power and the third adjustment amount, the first association information is used to indicate an association relationship between the second target transmit power, the third adjustment amount, and the first target transmit power;

[0385] In a case where the first information includes the second parameter and the fourth adjustment value, the first association information is used to indicate an association relationship among the second parameter, the fourth adjustment value, and the first target transmit power.

[0386] In some implementations, when the signal transmission bandwidths of the first communication module and the second communication module are different:

[0387] The second adjustment amount includes a first power adjustment amount, and the first power adjustment amount is used to indicate a power adjustment caused by converting the signal transmission bandwidth of the first communication module to the signal transmission bandwidth of the second communication module; or

[0388] The fourth adjustment amount includes a second power adjustment amount, where the second power adjustment amount is used to indicate a power adjustment caused by converting the signal transmission bandwidth of the second communication module to the signal transmission bandwidth of the first communication module.

[0389] In some implementations, when the first signal is an orthogonal frequency division multiplexing (OFDM) signal, the second signal is a single carrier signal, and the second target transmit power is calculated using the OFDM bandwidth definition for the second signal:

[0390] The first power adjustment amount is:

[0391] The second power adjustment amount is:

[0392] in, The number of RBs of bandwidth B occupied by the second signal; The number of RBs occupied by the first signal in bandwidth B.

[0393] In some implementations, when the first signal is an orthogonal frequency division multiplexing (OFDM) signal, the second signal is a single carrier signal, and the second target transmit power is calculated using a bandwidth definition of a single carrier for the second signal:

[0394] The first power adjustment amount is:

[0395] The second power adjustment amount is:

[0396] in, Indicates the number of RBs occupied by the first signal in bandwidth B.

[0397] In some implementations, when the first information includes the first parameter and the second parameter, the second device sending the first information to the first device includes:

[0398] The second device sends first configuration information to the first device;

[0399] The second device sends a transmission power control TPC signaling to the first device;

[0400] The first configuration information is used to configure a first static power control parameter and a second static power control parameter; the TPC signaling indicates a first dynamic power control parameter and a second dynamic power control parameter;

[0401] The first parameters include the first static power control parameter and the first dynamic power control parameter; the second parameters include the second static power control parameter and the second dynamic power control parameter.

[0402] In some embodiments, the target static power control parameter includes at least one of the following:

[0403] Target received power;

[0404] Partial path loss compensation factor;

[0405] A parameter set consisting of a target receive power and a partial path loss compensation factor;

[0406] A reference signal for estimating path loss;

[0407] Maximum number of retransmissions;

[0408] Power ramp step size;

[0409] The target static power control parameter includes at least one of the first static power control parameter and the second static power control parameter.

[0410] In some implementations, the target dynamic power control parameter includes at least one of the following:

[0411] a first power offset value and a first scaling factor, wherein a second power offset value is determined based on the first power offset value and the first scaling factor;

[0412] a second power offset value and a second scaling factor, the first power offset value being determined based on the second power offset value and the second scaling factor;

[0413] a first identifier, wherein the first identifier is associated with a first power offset value and a second power offset value;

[0414] a first power offset value and a second power offset value;

[0415] a target power offset value and first indication information, wherein the first indication information is used to indicate that the target power offset value is a power offset value of the first communication module or the second communication module;

[0416] Among them, the target dynamic power control parameter includes at least one of the first dynamic power control parameter and the second dynamic power control parameter; the first power offset value is the offset value of the first target transmit power; and the second power offset value is the offset value of the second target transmit power.

[0417] In some embodiments, the first target transmit power and the second target transmit power satisfy at least one of the following conditions:

[0418] First condition: the first target transmit power is less than or equal to the first maximum transmit power, and the second target transmit power is less than or equal to the second maximum transmit power;

[0419] Second condition: the sum of the first target transmit power and the second target transmit power is less than or equal to the target maximum transmit power, and the target maximum transmit power is the maximum total transmit power of the first communication module and the second communication module.

[0420] In some embodiments, the method further comprises:

[0421] The second device sends second indication information to the first device, where the second indication information is used to indicate a transmission power allocation method for the first communication module and the second communication module.

[0422] In some embodiments, the second indication information is used to indicate any of the following:

[0423] the proportions of the first target transmit power and the second target transmit power in the total transmit power of the second device respectively; or

[0424] When the sum of the target transmit power of the first communication module and the target transmit power of the second communication module is greater than the target maximum transmit power, the target transmit power of the first communication module or the second communication module is preferentially reduced so that the sum of the first target transmit power and the second target transmit power is less than or equal to the target maximum transmit power.

[0425] In an embodiment of the present application, the steps performed by the second device correspond to the steps performed by the first device in the first device side method embodiment, and the two cooperate with each other to jointly achieve control of the uplink transmission power and path loss compensation of the two communication modules on the first device.

[0426] The transmit power control method provided in the embodiment of the present application can be executed by a transmit power control device. In the embodiment of the present application, the transmit power control device performing the transmit power control method is used as an example to illustrate the transmit power control device provided in the embodiment of the present application.

[0427] 13 , an embodiment of the present application further provides a transmit power control apparatus, which is applied to a first device. As shown in FIG13 , the transmit power control apparatus 1300 includes:

[0428] A first acquisition module 1301 is configured to acquire first information, wherein the first device includes a first communication module and a second communication module, and the second communication module is an extremely low power consumption communication module;

[0429] The first determination module 1302 is used to determine the first target transmission power of the first communication module and the second target transmission power of the second communication module based on the first information; wherein, the first target transmission power is used for the first communication module to send a first signal, and the second target transmission power is used for the second communication module to send a second signal.

[0430] In some embodiments, the first information includes at least one of the following:

[0431] a first target transmit power and a first adjustment amount of the first communication module, wherein the second target transmit power is determined based on the first target transmit power and the first adjustment amount;

[0432] a first parameter and a second adjustment amount of the first communication module, wherein the second parameter is determined based on the first parameter and the second adjustment amount;

[0433] a second target transmit power and a third adjustment amount of the second communication module, wherein the first target transmit power is determined based on the second target transmit power and the third adjustment amount;

[0434] a second parameter and a fourth adjustment amount of the second communication module, wherein the first parameter is determined based on the second parameter and the fourth adjustment amount;

[0435] The first and second parameters;

[0436] The first parameter includes a parameter used to determine the first target transmit power; the second parameter includes a parameter used to determine the second target transmit power.

[0437] In some embodiments, the first parameter includes at least one or a combination of at least two of the following parameters corresponding to the first communication module:

[0438] a first target received power, a first path loss, a first maximum transmit power, a type of the first signal, an offset value for a first closed-loop power control, the number of RBs in the occupied bandwidth of the first signal, the number of subcarriers contained in each RB of the first signal, the average number of bits carried by each resource element (RE) in the first signal, and a first partial path loss compensation factor;

[0439] The first path loss is the path loss between the first device and a third device, and the third device is a receiving end device of the first signal;

[0440] or,

[0441] The second parameter includes at least one or a combination of at least two of the following parameters corresponding to the second communication module:

[0442] second target received power, second path loss, second maximum transmit power, type of the second signal, time length of a symbol in the second signal, frequency domain width of a symbol in the second signal, offset value of the second closed-loop power control, number of RBs in the occupied bandwidth of the second signal, number of subcarriers contained in each RB of the second signal, average number of bits carried by each symbol in the second signal, and second partial path loss compensation factor;

[0443] The second path loss is the path loss between the first device and a fourth device, and the fourth device is a receiving end device of the second signal.

[0444] In some implementations, the transmit power control apparatus 1300 further includes:

[0445] A second acquisition module is used to acquire the first associated information;

[0446] In a case where the first information includes the first target transmit power and the first adjustment amount, the first association information is used to indicate an association relationship between the first target transmit power, the first adjustment amount, and the second target transmit power;

[0447] In a case where the first information includes the first parameter and the second adjustment amount, the first association information is used to indicate an association relationship between the first parameter, the second adjustment amount, and the second parameter;

[0448] In a case where the first information includes the second target transmit power and the third adjustment amount, the first association information is used to indicate an association relationship between the second target transmit power, the third adjustment amount, and the first target transmit power;

[0449] In a case where the first information includes the second parameter and the fourth adjustment value, the first association information is used to indicate an association relationship among the second parameter, the fourth adjustment value, and the first target transmit power.

[0450] In some implementations, the transmit power control apparatus 1300 further includes:

[0451] a path loss measurement module, configured to measure the reference signal from the fourth device using the first communication module to obtain a third path loss;

[0452] a second determining module, configured to determine a path loss offset value according to a difference between the reference signal and the second signal;

[0453] The third determining module is configured to determine the second path loss according to the third path loss and the path loss offset value.

[0454] In some implementations, when the signal transmission bandwidths of the first communication module and the second communication module are different:

[0455] The second adjustment amount includes a first power adjustment amount, and the first power adjustment amount is used to indicate a power adjustment caused by converting the signal transmission bandwidth of the first communication module to the signal transmission bandwidth of the second communication module; or

[0456] The fourth adjustment amount includes a second power adjustment amount, where the second power adjustment amount is used to indicate a power adjustment caused by converting the signal transmission bandwidth of the second communication module to the signal transmission bandwidth of the first communication module.

[0457] In some implementations, when the first signal is an orthogonal frequency division multiplexing (OFDM) signal, the second signal is a single carrier signal, and the second target transmit power is calculated using the OFDM bandwidth definition for the second signal:

[0458] The first power adjustment amount is:

[0459] The second power adjustment amount is:

[0460] in, The number of RBs of bandwidth B occupied by the second signal; The number of RBs occupied by the first signal in bandwidth B.

[0461] In some implementations, when the first signal is an orthogonal frequency division multiplexing (OFDM) signal, the second signal is a single carrier signal, and the second target transmit power is calculated using a bandwidth definition of a single carrier for the second signal:

[0462] The first power adjustment amount is:

[0463] The second power adjustment amount is:

[0464] in, Indicates the number of RBs occupied by the first signal in bandwidth B.

[0465] In some implementations, when the signal transmission formats of the first communication module and the second communication module are different:

[0466] The second adjustment amount includes a third power adjustment amount, and the third power adjustment amount is used to indicate the power adjustment caused by converting the signal transmission format of the first communication module into the signal transmission format of the second communication module; or,

[0467] The fourth adjustment amount includes a fourth power adjustment amount, and the fourth power adjustment amount is used to indicate the power adjustment caused by converting the signal transmission format of the second communication module into the signal transmission format of the first communication module.

[0468] In some embodiments, the third power adjustment amount includes: Δ LR,TF -Δ MR,TF ;

[0469] The fourth power adjustment amount includes: Δ MR,TF -Δ LR,TF ;

[0470] Among them, Δ MR,TF represents the transmission power required by the first communication module in each resource element RE; Δ LR,TF Indicates the transmit power required by the second communication module in each RE;

[0471] In a case where the first signal is an orthogonal frequency division multiplexing (OFDM) signal, the second signal is a single carrier signal, and the second target transmit power is calculated using the bandwidth definition of OFDM for the second signal:

[0472] In a case where the first signal is an orthogonal frequency division multiplexing (OFDM) signal, the second signal is a single carrier signal, and the second target transmit power is calculated using a bandwidth definition of a single carrier for the second signal:

[0473] Wherein, γ' represents the average number of bits carried by each symbol in the second signal; Indicates the number of OFDM subcarriers contained in one RB; represents the number of RBs of the bandwidth B occupied by the second signal; β'0 and β'1 are two offset values; T s represents the time length of a single carrier symbol; B represents the frequency domain width of a single carrier symbol; β'2 and β'3 are two offset values.

[0474] In some implementations, when the first information includes the first parameter and the second parameter, the first obtaining module 1301 includes:

[0475] A first acquiring unit, configured to acquire first configuration information;

[0476] A first receiving unit, configured to receive a transmission power control TPC signaling;

[0477] The first configuration information is used to configure a first static power control parameter and a second static power control parameter; the TPC signaling indicates a first dynamic power control parameter and a second dynamic power control parameter;

[0478] The first parameters include the first static power control parameter and the first dynamic power control parameter; the second parameters include the second static power control parameter and the second dynamic power control parameter.

[0479] In some embodiments, the target static power control parameter includes at least one of the following:

[0480] Target received power;

[0481] Partial path loss compensation factor;

[0482] A parameter set consisting of a target receive power and a partial path loss compensation factor;

[0483] A reference signal for estimating path loss;

[0484] Maximum number of retransmissions;

[0485] Power ramp step size;

[0486] The target static power control parameter includes at least one of the first static power control parameter and the second static power control parameter.

[0487] In some implementations, the target dynamic power control parameter includes at least one of the following:

[0488] a first power offset value and a first scaling factor, wherein a second power offset value is determined based on the first power offset value and the first scaling factor;

[0489] a second power offset value and a second scaling factor, the first power offset value being determined based on the second power offset value and the second scaling factor;

[0490] a first identifier, wherein the first identifier is associated with a first power offset value and a second power offset value;

[0491] a first power offset value and a second power offset value;

[0492] a target power offset value and first indication information, wherein the first indication information is used to indicate that the target power offset value is a power offset value of the first communication module or the second communication module;

[0493] Among them, the target dynamic power control parameter includes at least one of the first dynamic power control parameter and the second dynamic power control parameter; the first power offset value is the offset value of the first target transmit power; and the second power offset value is the offset value of the second target transmit power.

[0494] In some embodiments, the first target transmit power and the second target transmit power satisfy at least one of the following conditions:

[0495] First condition: the first target transmit power is less than or equal to the first maximum transmit power, and the second target transmit power is less than or equal to the second maximum transmit power;

[0496] Second condition: the sum of the first target transmit power and the second target transmit power is less than or equal to the target maximum transmit power, and the target maximum transmit power is the maximum total transmit power of the first communication module and the second communication module.

[0497] In some implementations, when the first target transmit power and the second target transmit power do not satisfy the second condition, the transmit power control apparatus 1300 further includes:

[0498] A third acquisition module is used to acquire second indication information, where the second indication information is used to indicate a transmission power allocation method of the first communication module and the second communication module;

[0499] The fourth determination module is used to update the first target transmit power and the second target transmit power according to the second indication information and the target maximum transmit power, wherein the updated first target transmit power and second target transmit power meet the second condition.

[0500] In some embodiments, the second indication information is used to indicate any of the following:

[0501] the proportions of the first target transmit power and the second target transmit power in the total transmit power of the first device respectively; or

[0502] When the sum of the target transmit power of the first communication module and the target transmit power of the second communication module is greater than the target maximum transmit power, the target transmit power of the first communication module or the second communication module is preferentially reduced so that the sum of the first target transmit power and the second target transmit power is less than or equal to the target maximum transmit power.

[0503] The transmission power control device 1300 provided in the embodiment of the present application can implement each process in the first device side method embodiment and achieve the same technical effect. To avoid repetition, it will not be repeated here.

[0504] 14 , an embodiment of the present application further provides another transmission power control apparatus 1400 , which is applied to a second device.

[0505] As shown in FIG14 , the transmit power control apparatus 1400 includes:

[0506] The first sending module 1401 is used to send first information to a first device, where the first device includes a first communication module and a second communication module, and the second communication module is an extremely low power consumption communication module; the first information is used to determine the first target transmission power of the first communication module for the first signal and the second target transmission power of the second communication module for the second signal.

[0507] In some embodiments, the first information includes at least one of the following:

[0508] a first target transmit power and a first adjustment amount of a first communication module, wherein the second target transmit power is determined based on the first target transmit power and the first adjustment amount;

[0509] a first parameter and a second adjustment amount of the first communication module, wherein the second parameter is determined based on the first parameter and the second adjustment amount;

[0510] a second target transmit power and a third adjustment amount of the second communication module, wherein the first target transmit power is determined based on the second target transmit power and the third adjustment amount;

[0511] a second parameter and a fourth adjustment amount of the second communication module, wherein the first parameter is determined based on the second parameter and the fourth adjustment amount;

[0512] The first and second parameters;

[0513] The first parameter includes a parameter used to determine the first target transmit power; the second parameter includes a parameter used to determine the second target transmit power.

[0514] In some embodiments, the first parameter includes at least one or a combination of at least two of the following parameters corresponding to the first communication module:

[0515] a first target received power, a first path loss, a first maximum transmit power, a type of the first signal, a time length of a symbol in the first signal, a frequency domain width of a symbol in the first signal, an offset value for a first closed-loop power control, the number of RBs in a bandwidth B occupied by the first signal, the number of subcarriers contained in each RB of the first signal, the average number of bits carried by each symbol in the first signal, and a first partial path loss compensation factor;

[0516] The first path loss is the path loss between the first device and a third device, and the third device is a receiving end device of the first signal;

[0517] or,

[0518] The second parameter includes at least one or a combination of at least two of the following parameters corresponding to the second communication module:

[0519] second target received power, second path loss, second maximum transmit power, type of the second signal, time length of a symbol in the second signal, frequency domain width of a symbol in the second signal, offset value of the second closed-loop power control, number of RBs in bandwidth B occupied by the second signal, number of subcarriers contained in each RB of the second signal, average number of bits carried by each symbol in the second signal, and second partial path loss compensation factor;

[0520] The second path loss is the path loss between the first device and a fourth device, and the fourth device is a receiving end device of the second signal.

[0521] In some implementations, the transmit power control apparatus 1400 further includes:

[0522] A second sending module, configured to send first association information to the first device;

[0523] Wherein, in a case where the first information includes the first target transmit power and the first adjustment amount, the first association information is used to indicate an association relationship between the first target transmit power, the first adjustment amount, and the second target transmit power;

[0524] In a case where the first information includes the first parameter and the second adjustment amount, the first association information is used to indicate an association relationship between the first parameter, the second adjustment amount, and the second parameter;

[0525] In a case where the first information includes the second target transmit power and the third adjustment amount, the first association information is used to indicate an association relationship between the second target transmit power, the third adjustment amount, and the first target transmit power;

[0526] In a case where the first information includes the second parameter and the fourth adjustment value, the first association information is used to indicate an association relationship among the second parameter, the fourth adjustment value, and the first target transmit power.

[0527] In some implementations, when the signal transmission bandwidths of the first communication module and the second communication module are different:

[0528] The second adjustment amount includes a first power adjustment amount, and the first power adjustment amount is used to indicate a power adjustment caused by converting the signal transmission bandwidth of the first communication module to the signal transmission bandwidth of the second communication module; or

[0529] The fourth adjustment amount includes a second power adjustment amount, where the second power adjustment amount is used to indicate a power adjustment caused by converting the signal transmission bandwidth of the second communication module to the signal transmission bandwidth of the first communication module.

[0530] In some implementations, when the first signal is an orthogonal frequency division multiplexing (OFDM) signal, the second signal is a single carrier signal, and the second target transmit power is calculated using the OFDM bandwidth definition for the second signal:

[0531] The first power adjustment amount is:

[0532] The second power adjustment amount is:

[0533] in, The number of RBs of bandwidth B occupied by the second signal; The number of RBs occupied by the first signal in bandwidth B.

[0534] In some implementations, when the first signal is an orthogonal frequency division multiplexing (OFDM) signal, the second signal is a single carrier signal, and the second target transmit power is calculated using a bandwidth definition of a single carrier for the second signal:

[0535] The first power adjustment amount is:

[0536] The second power adjustment amount is:

[0537] in, Indicates the number of RBs occupied by the first signal in bandwidth B.

[0538] In some implementations, when the first information includes the first parameter and the second parameter, the first sending module 1401 includes:

[0539] A first sending unit, configured to send first configuration information to a first device;

[0540] A second sending unit, configured to send a transmission power control TPC signaling to the first device;

[0541] The first configuration information is used to configure a first static power control parameter and a second static power control parameter; the TPC signaling indicates a first dynamic power control parameter and a second dynamic power control parameter;

[0542] The first parameters include the first static power control parameter and the first dynamic power control parameter; the second parameters include the second static power control parameter and the second dynamic power control parameter.

[0543] In some embodiments, the target static power control parameter includes at least one of the following:

[0544] Target received power;

[0545] Partial path loss compensation factor;

[0546] A parameter set consisting of a target receive power and a partial path loss compensation factor;

[0547] A reference signal for estimating path loss;

[0548] Maximum number of retransmissions;

[0549] Power ramp step size;

[0550] The target static power control parameter includes at least one of the first static power control parameter and the second static power control parameter.

[0551] In some implementations, the target dynamic power control parameter includes at least one of the following:

[0552] a first power offset value and a first scaling factor, wherein a second power offset value is determined based on the first power offset value and the first scaling factor;

[0553] a second power offset value and a second scaling factor, the first power offset value being determined based on the second power offset value and the second scaling factor;

[0554] a first identifier, wherein the first identifier is associated with a first power offset value and a second power offset value;

[0555] a first power offset value and a second power offset value;

[0556] a target power offset value and first indication information, wherein the first indication information is used to indicate that the target power offset value is a power offset value of the first communication module or the second communication module;

[0557] Among them, the target dynamic power control parameter includes at least one of the first dynamic power control parameter and the second dynamic power control parameter; the first power offset value is the offset value of the first target transmit power; and the second power offset value is the offset value of the second target transmit power.

[0558] In some embodiments, the first target transmit power and the second target transmit power satisfy at least one of the following conditions:

[0559] First condition: the first target transmit power is less than or equal to the first maximum transmit power, and the second target transmit power is less than or equal to the second maximum transmit power;

[0560] Second condition: the sum of the first target transmit power and the second target transmit power is less than or equal to the target maximum transmit power, and the target maximum transmit power is the maximum total transmit power of the first communication module and the second communication module.

[0561] In some implementations, the transmit power control apparatus 1400 further includes:

[0562] The third sending module is used to send second indication information to the first device, where the second indication information is used to indicate a transmission power allocation method for the first communication module and the second communication module.

[0563] In some embodiments, the second indication information is used to indicate any of the following:

[0564] the proportions of the first target transmit power and the second target transmit power in the total transmit power of the second device respectively; or

[0565] When the sum of the target transmit power of the first communication module and the target transmit power of the second communication module is greater than the target maximum transmit power, the target transmit power of the first communication module or the second communication module is preferentially reduced so that the sum of the first target transmit power and the second target transmit power is less than or equal to the target maximum transmit power.

[0566] The transmission power control device 1400 provided in the embodiment of the present application can implement each process in the second device side method embodiment and achieve the same technical effect. To avoid repetition, it will not be repeated here.

[0567] Optionally, as shown in Figure 15, an embodiment of the present application also provides a communication device 1500, including a processor 1501 and a memory 1502, and the memory 1502 stores programs or instructions that can be run on the processor 1501. For example: when the communication device 1500 acts as a first device, the program or instruction is executed by the processor 1501 to implement the various steps of the aforementioned first device side method embodiment and can achieve the same technical effect; when the communication device 1500 acts as a second device, the program or instruction is executed by the processor 1501 to implement the various steps of the aforementioned second device side method embodiment and can achieve the same technical effect. To avoid repetition, it will not be repeated here.

[0568] The embodiment of the present application also provides a communication device, including a processor and a communication interface;

[0569] When the communication device is a first device, the processor is used to: obtain first information, where the first device includes a first communication module and a second communication module, and the second communication module is an extremely low power consumption communication module; based on the first information, determine a first target transmission power of the first communication module and a second target transmission power of the second communication module; wherein the first target transmission power is used for the first communication module to send a first signal, and the second target transmission power is used for the second communication module to send a second signal.

[0570] When the communication device is a second device, the communication interface is used to send first information to the first device, the first device includes a first communication module and a second communication module, and the second communication module is an extremely low power consumption communication module; the first information is used to determine the first target transmission power of the first communication module for the first signal and the second target transmission power of the second communication module for the second signal.

[0571] This communication device embodiment corresponds to the aforementioned transmission power control method embodiments on the first device side and the second device side. The various implementation processes and implementation methods of the aforementioned method embodiments are applicable to this communication device embodiment and can achieve the same technical effects.

[0572] In some implementations, FIG16 is a schematic diagram of the hardware structure of a terminal implementing an embodiment of the present application.

[0573] The terminal 1600 includes but is not limited to: a radio frequency unit 1601, a network module 1602, an audio output unit 1603, an input unit 1604, a sensor 1605, a display unit 1606, a user input unit 1607, an interface unit 1608, a memory 1609 and at least some of the components of the processor 1610.

[0574] Those skilled in the art will appreciate that the terminal 1600 may also include a power supply (such as a battery) to power various components. The power supply may be logically connected to the processor 1610 via a power management system, thereby implementing functions such as charging, discharging, and power consumption management through the power management system. The terminal structure shown in FIG16 does not constitute a limitation of the terminal. The terminal may include more or fewer components than shown, or combine certain components, or have different component arrangements, which will not be described in detail here.

[0575] It should be understood that in an embodiment of the present application, the input unit 1604 may include a graphics processing unit (GPU) 16041 and a microphone 16042, and the graphics processor 16041 processes the image data of a static picture or video obtained by an image capture device (such as a camera) in a video capture mode or an image capture mode. The display unit 1606 may include a display panel 16061, and the display panel 16061 may be configured in the form of a liquid crystal display, an organic light emitting diode, etc. The user input unit 1607 includes a touch panel 16071 and at least one of other input devices 16072. The touch panel 16071 is also called a touch screen. The touch panel 16071 may include two parts: a touch detection device and a touch controller. Other input devices 16072 may include, but are not limited to, a physical keyboard, function keys (such as volume control keys, switch keys, etc.), a trackball, a mouse, and a joystick, which will not be repeated here.

[0576] In the embodiment of the present application, after receiving downlink data from a network-side device, the RF unit 1601 may transmit the data to the processor 1610 for processing. Furthermore, the RF unit 1601 may send uplink data to the network-side device. Typically, the RF unit 1601 includes, but is not limited to, an antenna, an amplifier, a transceiver, a coupler, a low-noise amplifier, a duplexer, and the like.

[0577] Memory 1609 can be used to store software programs or instructions and various data. Memory 1609 may mainly include a first storage area for storing programs or instructions and a second storage area for storing data. The first storage area may store an operating system, applications or instructions required for at least one function (such as a sound playback function, an image playback function, etc.). In addition, memory 1609 may include volatile memory or non-volatile memory. The non-volatile memory may be a read-only memory (ROM), a programmable read-only memory (PROM), an erasable programmable read-only memory (EPROM), an electrically erasable programmable read-only memory (EEPROM), or a flash memory. Volatile memory can be random access memory (RAM), static random access memory (SRAM), dynamic random access memory (DRAM), synchronous dynamic random access memory (SDRAM), double data rate synchronous dynamic random access memory (DDRSDRAM), enhanced synchronous dynamic random access memory (ESDRAM), synchronous link dynamic random access memory (SLDRAM), and direct RAM bus random access memory (DRRAM). The memory 1609 in the embodiment of the present application includes but is not limited to these and any other suitable types of memory.

[0578] Processor 1610 may include one or more processing units. Optionally, processor 1610 integrates an application processor and a modem processor. The application processor primarily handles operations related to the operating system, user interface, and application programs, while the modem processor primarily processes wireless communication signals, such as a baseband processor. It is understood that the modem processor may not be integrated into processor 1610.

[0579] The terminal 1600 serves as a first device, and the processor 1610 is configured to obtain first information. The first device includes a first communication module and a second communication module, and the second communication module is an extremely low power consumption communication module.

[0580] Processor 1610 is also used to determine the first target transmission power of the first communication module and the second target transmission power of the second communication module based on the first information; wherein, the first target transmission power is used for the first communication module to send a first signal, and the second target transmission power is used for the second communication module to send a second signal.

[0581] In some embodiments, the first information includes at least one of the following:

[0582] a first target transmit power and a first adjustment amount of the first communication module, wherein the second target transmit power is determined based on the first target transmit power and the first adjustment amount;

[0583] a first parameter and a second adjustment amount of the first communication module, wherein the second parameter is determined based on the first parameter and the second adjustment amount;

[0584] a second target transmit power and a third adjustment amount of the second communication module, wherein the first target transmit power is determined based on the second target transmit power and the third adjustment amount;

[0585] a second parameter and a fourth adjustment amount of the second communication module, wherein the first parameter is determined based on the second parameter and the fourth adjustment amount;

[0586] The first and second parameters;

[0587] The first parameter includes a parameter used to determine the first target transmit power; the second parameter includes a parameter used to determine the second target transmit power.

[0588] In some embodiments, the first parameter includes at least one or a combination of at least two of the following parameters corresponding to the first communication module:

[0589] a first target received power, a first path loss, a first maximum transmit power, a type of the first signal, an offset value for a first closed-loop power control, the number of RBs in the occupied bandwidth of the first signal, the number of subcarriers contained in each RB of the first signal, the average number of bits carried by each resource element (RE) in the first signal, and a first partial path loss compensation factor;

[0590] The first path loss is the path loss between the first device and a third device, and the third device is a receiving end device of the first signal;

[0591] or,

[0592] The second parameter includes at least one or a combination of at least two of the following parameters corresponding to the second communication module:

[0593] second target received power, second path loss, second maximum transmit power, type of the second signal, time length of a symbol in the second signal, frequency domain width of a symbol in the second signal, offset value of the second closed-loop power control, number of RBs in the occupied bandwidth of the second signal, number of subcarriers contained in each RB of the second signal, average number of bits carried by each symbol in the second signal, and second partial path loss compensation factor;

[0594] The second path loss is the path loss between the first device and a fourth device, and the fourth device is a receiving end device of the second signal.

[0595] In some implementations, the radio frequency unit 1601 is configured to:

[0596] Obtaining first associated information;

[0597] Wherein, in a case where the first information includes the first target transmit power and the first adjustment amount, the first association information is used to indicate an association relationship between the first target transmit power, the first adjustment amount, and the second target transmit power;

[0598] In a case where the first information includes the first parameter and the second adjustment amount, the first association information is used to indicate an association relationship between the first parameter, the second adjustment amount, and the second parameter;

[0599] In a case where the first information includes the second target transmit power and the third adjustment amount, the first association information is used to indicate an association relationship between the second target transmit power, the third adjustment amount, and the first target transmit power;

[0600] In a case where the first information includes the second parameter and the fourth adjustment value, the first association information is used to indicate an association relationship among the second parameter, the fourth adjustment value, and the first target transmit power.

[0601] In some embodiments, the radio frequency unit 1601 is further configured to measure, using the first communication module, a reference signal from the fourth device to obtain a third path loss;

[0602] The processor 1610 is further configured to determine a path loss offset value according to a difference between the reference signal and the second signal;

[0603] Processor 1610 is further configured to determine the second path loss according to the third path loss and the path loss offset value.

[0604] In some implementations, when the signal transmission bandwidths of the first communication module and the second communication module are different:

[0605] The second adjustment amount includes a first power adjustment amount, and the first power adjustment amount is used to indicate a power adjustment caused by converting the signal transmission bandwidth of the first communication module to the signal transmission bandwidth of the second communication module; or

[0606] The fourth adjustment amount includes a second power adjustment amount, where the second power adjustment amount is used to indicate a power adjustment caused by converting the signal transmission bandwidth of the second communication module to the signal transmission bandwidth of the first communication module.

[0607] In some implementations, when the first signal is an orthogonal frequency division multiplexing (OFDM) signal, the second signal is a single carrier signal, and the second target transmit power is calculated using the OFDM bandwidth definition for the second signal:

[0608] The first power adjustment amount is:

[0609] The second power adjustment amount is:

[0610] in, The number of RBs of bandwidth B occupied by the second signal; The number of RBs occupied by the first signal in bandwidth B.

[0611] In some implementations, when the first signal is an orthogonal frequency division multiplexing (OFDM) signal, the second signal is a single carrier signal, and the second target transmit power is calculated using a bandwidth definition of a single carrier for the second signal:

[0612] The first power adjustment amount is:

[0613] The second power adjustment amount is:

[0614] in, Indicates the number of RBs occupied by the first signal in bandwidth B.

[0615] In some implementations, when the signal transmission formats of the first communication module and the second communication module are different:

[0616] The second adjustment amount includes a third power adjustment amount, and the third power adjustment amount is used to indicate the power adjustment caused by converting the signal transmission format of the first communication module into the signal transmission format of the second communication module; or,

[0617] The fourth adjustment amount includes a fourth power adjustment amount, and the fourth power adjustment amount is used to indicate the power adjustment caused by converting the signal transmission format of the second communication module into the signal transmission format of the first communication module.

[0618] In some embodiments, the third power adjustment amount includes: Δ LR,TF -Δ MR,TF ;

[0619] The fourth power adjustment amount includes: Δ MR,TF -Δ LR,TF ;

[0620] Among them, Δ MR,TF represents the transmission power required by the first communication module in each resource element RE; Δ LR,TF Indicates the transmit power required by the second communication module in each RE;

[0621] In a case where the first signal is an orthogonal frequency division multiplexing (OFDM) signal, the second signal is a single carrier signal, and the second target transmit power is calculated using the bandwidth definition of OFDM for the second signal:

[0622] In a case where the first signal is an orthogonal frequency division multiplexing (OFDM) signal, the second signal is a single carrier signal, and the second target transmit power is calculated using a bandwidth definition of a single carrier for the second signal:

[0623] Wherein, γ' represents the average number of bits carried by each symbol in the second signal; Indicates the number of OFDM subcarriers contained in one RB; represents the number of RBs of the bandwidth B occupied by the second signal; β'0 and β'1 are two offset values; T s represents the time length of a single carrier symbol; B represents the frequency domain width of a single carrier symbol; β'2 and β'3 are two offset values.

[0624] In some implementations, when the first information includes the first parameter and the second parameter, the obtaining of the first information performed by the processor 1610 includes:

[0625] Acquire first configuration information through the radio frequency unit 1601;

[0626] Control the radio frequency unit 1601 to receive transmission power control TPC signaling;

[0627] The first configuration information is used to configure a first static power control parameter and a second static power control parameter; the TPC signaling indicates a first dynamic power control parameter and a second dynamic power control parameter;

[0628] The first parameters include the first static power control parameter and the first dynamic power control parameter; the second parameters include the second static power control parameter and the second dynamic power control parameter.

[0629] In some embodiments, the target static power control parameter includes at least one of the following:

[0630] Target received power;

[0631] Partial path loss compensation factor;

[0632] A parameter set consisting of a target receive power and a partial path loss compensation factor;

[0633] A reference signal for estimating path loss;

[0634] Maximum number of retransmissions;

[0635] Power ramp step size;

[0636] The target static power control parameter includes at least one of the first static power control parameter and the second static power control parameter.

[0637] In some implementations, the target dynamic power control parameter includes at least one of the following:

[0638] a first power offset value and a first scaling factor, wherein a second power offset value is determined based on the first power offset value and the first scaling factor;

[0639] a second power offset value and a second scaling factor, the first power offset value being determined based on the second power offset value and the second scaling factor;

[0640] a first identifier, wherein the first identifier is associated with a first power offset value and a second power offset value;

[0641] a first power offset value and a second power offset value;

[0642] a target power offset value and first indication information, wherein the first indication information is used to indicate that the target power offset value is a power offset value of the first communication module or the second communication module;

[0643] Among them, the target dynamic power control parameter includes at least one of the first dynamic power control parameter and the second dynamic power control parameter; the first power offset value is the offset value of the first target transmit power; and the second power offset value is the offset value of the second target transmit power.

[0644] In some embodiments, the first target transmit power and the second target transmit power satisfy at least one of the following conditions:

[0645] First condition: the first target transmit power is less than or equal to the first maximum transmit power, and the second target transmit power is less than or equal to the second maximum transmit power;

[0646] Second condition: the sum of the first target transmit power and the second target transmit power is less than or equal to the target maximum transmit power, and the target maximum transmit power is the maximum total transmit power of the first communication module and the second communication module.

[0647] In some implementations, when the first target transmit power and the second target transmit power do not satisfy the second condition:

[0648] The radio frequency unit 1601 is further configured to obtain second indication information, where the second indication information is used to indicate a transmit power allocation method for the first communication module and the second communication module;

[0649] Processor 1610 is further configured to update the first target transmit power and the second target transmit power according to the second indication information and the target maximum transmit power, wherein the updated first target transmit power and second target transmit power satisfy the second condition.

[0650] In some embodiments, the second indication information is used to indicate any of the following:

[0651] the proportions of the first target transmit power and the second target transmit power in the total transmit power of the first device respectively; or

[0652] When the sum of the target transmit power of the first communication module and the target transmit power of the second communication module is greater than the target maximum transmit power, the target transmit power of the first communication module or the second communication module is preferentially reduced so that the sum of the first target transmit power and the second target transmit power is less than or equal to the target maximum transmit power.

[0653] It can be understood that the implementation process of each implementation method mentioned in this embodiment can refer to the relevant description of the aforementioned first device side method embodiment, and achieve the same or corresponding technical effects. To avoid repetition, it will not be repeated here.

[0654] The present application also provides a network-side device, including a processor and a communication interface, wherein the communication interface is coupled to the processor, and the processor is configured to execute a program or instruction to implement the steps of the aforementioned method embodiment on the first device side or the second device side. This network-side device embodiment corresponds to the aforementioned method embodiment on the first device side or the second device side, and each implementation process and implementation method of the aforementioned method embodiment can be applied to this network-side device embodiment and can achieve the same technical effects.

[0655] In one embodiment, as shown in Figure 17 , the network-side device 1700 includes: an antenna 1701, a radio frequency device 1702, a baseband device 1703, a processor 1704, and a memory 1705. Antenna 1701 is connected to radio frequency device 1702. In the uplink direction, radio frequency device 1702 receives information via antenna 1701 and sends the received information to baseband device 1703 for processing. In the downlink direction, baseband device 1703 processes the information to be transmitted and sends it to radio frequency device 1702. Radio frequency device 1702 processes the received information and then sends it through antenna 1701.

[0656] The method executed by the network-side device in the above embodiment may be implemented in the baseband device 1703 , which includes a baseband processor.

[0657] The baseband device 1703 may include, for example, at least one baseband board, on which multiple chips are arranged, as shown in Figure 17, one of which is, for example, a baseband processor, which is connected to the memory 1705 through a bus interface to call the program in the memory 1705 and execute the network device operations shown in the above method embodiment.

[0658] The network side device may further include a network interface 1706 , which is, for example, a Common Public Radio Interface (CPRI).

[0659] In some embodiments, the network side device 1700 of the embodiment of the present application also includes: instructions or programs stored in the memory 1705 and executable on the processor 1704. The processor 1704 calls the instructions or programs in the memory 1705 to execute the methods executed by the modules shown in FIG13 or FIG14 and achieve the same technical effect. To avoid repetition, they will not be described here.

[0660] An embodiment of the present application also provides a readable storage medium, on which a program or instruction is stored. When the program or instruction is executed by the processor, the various processes of the aforementioned first device-side method embodiment or the second device-side method embodiment are implemented, and the same technical effect can be achieved. To avoid repetition, it will not be repeated here.

[0661] The processor is the processor in the terminal described in the above embodiment. The readable storage medium includes a computer-readable storage medium, such as a computer read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk. In some examples, the readable storage medium may be a non-transitory readable storage medium.

[0662] An embodiment of the present application further provides a chip, which includes a processor and a communication interface, wherein the communication interface is coupled to the processor, and the processor is used to run programs or instructions to implement the various processes of the aforementioned first device-side method embodiment or the second device-side method embodiment, and can achieve the same technical effect. To avoid repetition, it will not be repeated here.

[0663] It should be understood that the chip mentioned in the embodiments of the present application can also be called a system-level chip, a system chip, a chip system or a system-on-chip chip, etc.

[0664] An embodiment of the present application further provides a computer program / program product, which is stored in a storage medium. The computer program / program product is executed by at least one processor to implement the various processes of the aforementioned first device-side method embodiment or the second device-side method embodiment, and can achieve the same technical effect. To avoid repetition, it will not be repeated here.

[0665] An embodiment of the present application further provides a wireless communication system, including a first device and a second device, wherein the first device is used to execute the steps of the aforementioned first device side method embodiment, and the second device is used to execute the steps of the aforementioned second device side method embodiment, and can achieve the same technical effect. To avoid repetition, they will not be repeated here.

[0666] It should be noted that, in this article, the terms "comprise", "include" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, an element defined by the sentence "comprises a ..." does not exclude the presence of other identical elements in the process, method, article or device comprising the element. In addition, it should be pointed out that the scope of the methods and devices in the embodiments of the present application is not limited to performing functions in the order shown or discussed, and may also include performing functions in a substantially simultaneous manner or in the opposite order according to the functions involved. For example, the described method may be performed in an order different from that described, and various steps may also be added, omitted or combined. In addition, the features described with reference to certain examples may be combined in other examples.

[0667] Through the description of the above embodiments, those skilled in the art can clearly understand that the above-mentioned embodiment methods can be implemented by means of a computer software product plus a necessary general-purpose hardware platform, or of course, by hardware. The computer software product is stored in a storage medium (such as ROM, RAM, magnetic disk, optical disk, etc.) and includes a number of instructions for enabling a terminal or network-side device to execute the methods described in each embodiment of the present application.

[0668] The embodiments of the present application are described above in conjunction with the accompanying drawings, but the present application is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the guidance of this application, ordinary technicians in this field can also make many forms of implementation methods without departing from the purpose of this application and the scope of protection of the claims. These implementation methods are all within the protection of this application.

Claims

1. A transmission power control method, comprising: A first device acquires first information, the first device includes a first communication module and a second communication module, and the second communication module is an extremely low power consumption communication module; The first device determines a first target transmit power of the first communication module and a second target transmit power of the second communication module based on the first information; wherein the first target transmit power is used by the first communication module to send a first signal, and the second target transmit power is used by the second communication module to send a second signal.

2. The method according to claim 1, wherein: The first information includes at least one of the following: a first target transmit power and a first adjustment amount of the first communication module, wherein the second target transmit power is determined based on the first target transmit power and the first adjustment amount; a first parameter and a second adjustment amount of the first communication module, wherein the second parameter is determined based on the first parameter and the second adjustment amount; a second target transmit power and a third adjustment amount of the second communication module, wherein the first target transmit power is determined based on the second target transmit power and the third adjustment amount; a second parameter and a fourth adjustment amount of the second communication module, wherein the first parameter is determined based on the second parameter and the fourth adjustment amount; The first and second parameters; The first parameter includes a parameter used to determine the first target transmit power; and the second parameter includes a parameter used to determine the second target transmit power.

3. The method according to claim 2, wherein: The first parameter includes at least one or a combination of at least two of the following parameters corresponding to the first communication module: a first target received power, a first path loss, a first maximum transmit power, a type of the first signal, a bias value of a first closed-loop power control, the number of RBs of an occupied bandwidth of the first signal, the number of subcarriers contained in each RB of the first signal, the average number of bits carried by each resource element RE in the first signal, and a first partial path loss compensation factor; The first path loss is a path loss between the first device and a third device, and the third device is a receiving end device of the first signal; or, The second parameter includes at least one or a combination of at least two of the following parameters corresponding to the second communication module: second target received power, second path loss, second maximum transmit power, type of the second signal, time length of a symbol in the second signal, frequency domain width of a symbol in the second signal, bias value of the second closed-loop power control, number of RBs of the occupied bandwidth of the second signal, number of subcarriers contained in each RB of the second signal, number of bits carried on average per symbol in the second signal, second partial path loss compensation factor; The second path loss is the path loss between the first device and a fourth device, and the fourth device is a receiving end device of the second signal.

4. The method according to claim 2 or 3, further comprising: The first device acquires first associated information; In a case where the first information includes the first target transmit power and the first adjustment amount, the first association information is used to indicate an association relationship between the first target transmit power, the first adjustment amount, and the second target transmit power; In the case where the first information includes the first parameter and the second adjustment amount, the first association information is used to indicate an association relationship between the first parameter, the second adjustment amount and the second parameter; In a case where the first information includes the second target transmit power and the third adjustment amount, the first association information is used to indicate an association relationship between the second target transmit power, the third adjustment amount and the first target transmit power; In a case where the first information includes the second parameter and the fourth adjustment amount, the first association information is used to indicate an association relationship among the second parameter, the fourth adjustment amount, and the first target transmit power.

5. The method according to claim 3, further comprising: The first device measures, by using the first communication module, a reference signal from the fourth device to obtain a third path loss; The first device determines a path loss offset value according to a difference between the reference signal and the second signal; The first device determines the second path loss according to the third path loss and the path loss offset value.

6. The method according to any one of claims 2 to 5, wherein: When the signal transmission bandwidths of the first communication module and the second communication module are different: The second adjustment amount includes a first power adjustment amount, and the first power adjustment amount is used to indicate the power adjustment caused by converting the signal transmission bandwidth of the first communication module into the signal transmission bandwidth of the second communication module; or, The fourth adjustment amount includes a second power adjustment amount, where the second power adjustment amount is used to indicate a power adjustment caused by converting the signal transmission bandwidth of the second communication module to the signal transmission bandwidth of the first communication module.

7. The method according to claim 6, wherein: In the case where the first signal is an orthogonal frequency division multiplexing (OFDM) signal, the second signal is a single carrier signal, and the second signal uses the bandwidth definition of OFDM to calculate the second target transmission power: The first power adjustment amount is: The second power adjustment amount is: in, The number of RBs of bandwidth B occupied by the second signal; The number of RBs occupied by the first signal in bandwidth B.

8. The method according to claim 6, wherein: In the case where the first signal is an orthogonal frequency division multiplexing (OFDM) signal, the second signal is a single carrier signal, and the second signal uses a bandwidth definition of a single carrier to calculate the second target transmit power: The first power adjustment amount is: The second power adjustment amount is: in, Indicates the number of RBs occupied by the first signal in bandwidth B.

9. The method according to any one of claims 2 to 5, wherein: In the case where the signal transmission formats of the first communication module and the second communication module are different: The second adjustment amount includes a third power adjustment amount, and the third power adjustment amount is used to indicate the power adjustment caused by converting the signal transmission format of the first communication module into the signal transmission format of the second communication module; or, The fourth adjustment amount includes a fourth power adjustment amount, and the fourth power adjustment amount is used to indicate the power adjustment caused by converting the signal transmission format of the second communication module into the signal transmission format of the first communication module.

10. The method according to claim 9, wherein: The third power adjustment amount includes: Δ LR,TF -Δ MR,TF ; The fourth power adjustment amount includes: Δ MR,TF -Δ LR,TF ; Among them, Δ MR,TF represents the transmission power required by the first communication module in each resource element RE; Δ LR,TF represents the transmission power required by the second communication module in each RE; In the case where the first signal is an orthogonal frequency division multiplexing (OFDM) signal, the second signal is a single carrier signal, and the second signal uses the bandwidth definition of OFDM to calculate the second target transmission power: In the case where the first signal is an orthogonal frequency division multiplexing (OFDM) signal, the second signal is a single carrier signal, and the second signal uses a bandwidth definition of a single carrier to calculate the second target transmit power: Wherein, γ' represents the average number of bits carried by each symbol in the second signal; Indicates the number of OFDM subcarriers contained in 1 RB; represents the number of RBs of the bandwidth B occupied by the second signal; β'0 and β'1 are two offset values; T s represents the time length of a single carrier symbol; B represents the frequency domain width of a single carrier symbol; β'2 and β'3 are two offset values.

11. The method according to any one of claims 2 to 10, wherein: In a case where the first information includes the first parameter and the second parameter, the first device acquiring the first information includes: The first device obtains first configuration information; The first device receives transmission power control TPC signaling; The first configuration information is used to configure a first static power control parameter and a second static power control parameter; the TPC signaling indicates a first dynamic power control parameter and a second dynamic power control parameter; The first parameter includes the first static power control parameter and the first dynamic power control parameter; the second parameter includes the second static power control parameter and the second dynamic power control parameter.

12. The method according to claim 11, wherein: The target static power control parameter includes at least one of the following: Target received power; Partial road loss compensation factor; A parameter set consisting of a target received power and a partial path loss compensation factor; A reference signal for estimating path loss; Maximum number of retransmissions; The step size of the power ramp; The target static power control parameter includes at least one of the first static power control parameter and the second static power control parameter.

13. The method according to claim 11, wherein: The target dynamic power control parameter includes at least one of the following: a first power offset value and a first scaling factor, wherein a second power offset value is determined based on the first power offset value and the first scaling factor; a second power offset value and a second scaling factor, the first power offset value being determined based on the second power offset value and the second scaling factor; A first identifier, wherein the first identifier is associated with a first power offset value and a second power offset value; a first power offset value and a second power offset value; a target power offset value and first indication information, wherein the first indication information is used to indicate that the target power offset value is a power offset value of the first communication module or the second communication module; Among them, the target dynamic power control parameter includes at least one of the first dynamic power control parameter and the second dynamic power control parameter; the first power offset value is the offset value of the first target transmit power; and the second power offset value is the offset value of the second target transmit power.

14. The method according to claim 3, wherein: The first target transmit power and the second target transmit power satisfy at least one of the following conditions: First condition: the first target transmit power is less than or equal to the first maximum transmit power, and the second target transmit power is less than or equal to the second maximum transmit power; Second condition: the sum of the first target transmit power and the second target transmit power is less than or equal to the target maximum transmit power, and the target maximum transmit power is the maximum total transmit power of the first communication module and the second communication module.

15. The method according to claim 14, wherein: In a case where the first target transmit power and the second target transmit power do not satisfy the second condition, the method further includes: The first device acquires second indication information, where the second indication information is used to indicate a transmission power allocation method of the first communication module and the second communication module; The first device updates the first target transmit power and the second target transmit power according to the second indication information and the target maximum transmit power, wherein the updated first target transmit power and the second target transmit power meet the second condition.

16. The method according to claim 15, wherein: The second indication information is used to indicate any of the following: the proportions of the first target transmit power and the second target transmit power in the total transmit power of the first device respectively; or, When the sum of the target transmit power of the first communication module and the target transmit power of the second communication module is greater than the target maximum transmit power, the target transmit power of the first communication module or the second communication module is preferentially reduced so that the sum of the first target transmit power and the second target transmit power is less than or equal to the target maximum transmit power.

17. A transmission power control method, comprising: The second device sends first information to the first device, the first device includes a first communication module and a second communication module, and the second communication module is an extremely low power consumption communication module; The first information is used to determine a first target transmission power of the first communication module for a first signal and a second target transmission power of the second communication module for a second signal.

18. The method according to claim 17, wherein: The first information includes at least one of the following: a first target transmit power and a first adjustment amount of a first communication module, wherein the second target transmit power is determined based on the first target transmit power and the first adjustment amount; a first parameter and a second adjustment amount of a first communication module, wherein the second parameter is determined based on the first parameter and the second adjustment amount; a second target transmit power and a third adjustment amount of the second communication module, wherein the first target transmit power is determined based on the second target transmit power and the third adjustment amount; a second parameter and a fourth adjustment amount of the second communication module, the first parameter being determined based on the second parameter and the fourth adjustment amount; The first and second parameters; The first parameter includes a parameter used to determine the first target transmit power; and the second parameter includes a parameter used to determine the second target transmit power.

19. The method according to claim 18, wherein: The first parameter includes at least one or a combination of at least two of the following parameters corresponding to the first communication module: a first target received power, a first path loss, a first maximum transmit power, a type of the first signal, a time length of a symbol in the first signal, a frequency domain width of a symbol in the first signal, an offset value of a first closed-loop power control, a number of RBs of an occupied bandwidth B of the first signal, a number of subcarriers contained in each RB of the first signal, an average number of bits carried by each symbol in the first signal, and a first partial path loss compensation factor; The first path loss is a path loss between the first device and a third device, and the third device is a receiving end device of the first signal; or, The second parameter includes at least one or a combination of at least two of the following parameters corresponding to the second communication module: second target received power, second path loss, second maximum transmit power, type of the second signal, time length of a symbol in the second signal, frequency domain width of a symbol in the second signal, bias value of the second closed-loop power control, number of RBs of bandwidth B occupied by the second signal, number of subcarriers contained in each RB of the second signal, number of bits carried on average by each symbol in the second signal, second partial path loss compensation factor; The second path loss is the path loss between the first device and a fourth device, and the fourth device is a receiving end device of the second signal.

20. The method according to claim 18 or 19, further comprising: The second device sends first association information to the first device; Wherein, in a case where the first information includes the first target transmit power and the first adjustment amount, the first association information is used to indicate an association relationship between the first target transmit power, the first adjustment amount, and the second target transmit power; In the case where the first information includes the first parameter and the second adjustment amount, the first association information is used to indicate an association relationship between the first parameter, the second adjustment amount and the second parameter; In a case where the first information includes the second target transmit power and the third adjustment amount, the first association information is used to indicate an association relationship between the second target transmit power, the third adjustment amount and the first target transmit power; In a case where the first information includes the second parameter and the fourth adjustment amount, the first association information is used to indicate an association relationship among the second parameter, the fourth adjustment amount, and the first target transmit power.

21. The method according to any one of claims 18 to 20, wherein: When the signal transmission bandwidths of the first communication module and the second communication module are different: The second adjustment amount includes a first power adjustment amount, and the first power adjustment amount is used to indicate the power adjustment caused by converting the signal transmission bandwidth of the first communication module into the signal transmission bandwidth of the second communication module; or, The fourth adjustment amount includes a second power adjustment amount, where the second power adjustment amount is used to indicate a power adjustment caused by converting the signal transmission bandwidth of the second communication module to the signal transmission bandwidth of the first communication module.

22. The method according to claim 21, wherein: In the case where the first signal is an orthogonal frequency division multiplexing (OFDM) signal, the second signal is a single carrier signal, and the second signal uses the bandwidth definition of OFDM to calculate the second target transmission power: The first power adjustment amount is: The second power adjustment amount is: in, The number of RBs of bandwidth B occupied by the second signal; The number of RBs occupied by the first signal in bandwidth B.

23. The method according to claim 21, wherein: In the case where the first signal is an orthogonal frequency division multiplexing (OFDM) signal, the second signal is a single carrier signal, and the second signal uses a bandwidth definition of a single carrier to calculate the second target transmit power: The first power adjustment amount is: The second power adjustment amount is: in, Indicates the number of RBs occupied by the first signal in bandwidth B.

24. The method according to any one of claims 18 to 23, wherein: In a case where the first information includes the first parameter and the second parameter, the second device sending the first information to the first device includes: The second device sends first configuration information to the first device; The second device sends a transmission power control TPC signaling to the first device; The first configuration information is used to configure a first static power control parameter and a second static power control parameter; the TPC signaling indicates a first dynamic power control parameter and a second dynamic power control parameter; The first parameter includes the first static power control parameter and the first dynamic power control parameter; the second parameter includes the second static power control parameter and the second dynamic power control parameter.

25. The method according to claim 24, wherein: The target static power control parameter includes at least one of the following: Target received power; Partial road loss compensation factor; A parameter set consisting of a target received power and a partial path loss compensation factor; A reference signal for estimating path loss; Maximum number of retransmissions; The step size of the power ramp; The target static power control parameter includes at least one of the first static power control parameter and the second static power control parameter.

26. The method according to claim 24, wherein: The target dynamic power control parameter includes at least one of the following: a first power offset value and a first scaling factor, wherein a second power offset value is determined based on the first power offset value and the first scaling factor; a second power offset value and a second scaling factor, the first power offset value being determined based on the second power offset value and the second scaling factor; A first identifier, wherein the first identifier is associated with a first power offset value and a second power offset value; a first power offset value and a second power offset value; a target power offset value and first indication information, wherein the first indication information is used to indicate that the target power offset value is a power offset value of the first communication module or the second communication module; Among them, the target dynamic power control parameter includes at least one of the first dynamic power control parameter and the second dynamic power control parameter; the first power offset value is the offset value of the first target transmit power; and the second power offset value is the offset value of the second target transmit power.

27. The method of claim 19, wherein: The first target transmit power and the second target transmit power satisfy at least one of the following conditions: First condition: the first target transmit power is less than or equal to the first maximum transmit power, and the second target transmit power is less than or equal to the second maximum transmit power; Second condition: the sum of the first target transmit power and the second target transmit power is less than or equal to the target maximum transmit power, and the target maximum transmit power is the maximum total transmit power of the first communication module and the second communication module.

28. The method according to claim 27, further comprising: The second device sends second indication information to the first device, where the second indication information is used to indicate a transmission power allocation method of the first communication module and the second communication module.

29. The method according to claim 28, wherein: The second indication information is used to indicate any of the following: the proportions of the first target transmit power and the second target transmit power in the total transmit power of the second device respectively; or, When the sum of the target transmit power of the first communication module and the target transmit power of the second communication module is greater than the target maximum transmit power, the target transmit power of the first communication module or the second communication module is preferentially reduced so that the sum of the first target transmit power and the second target transmit power is less than or equal to the target maximum transmit power.

30. A transmission power control device, applied to a first device, the device comprising: A first acquisition module, used to acquire first information, the first device includes a first communication module and a second communication module, and the second communication module is an extremely low power consumption communication module; A first determination module is used to determine a first target transmission power of the first communication module and a second target transmission power of the second communication module based on the first information; wherein the first target transmission power is used for the first communication module to send a first signal, and the second target transmission power is used for the second communication module to send a second signal.

31. The device according to claim 30, wherein The first information includes at least one of the following: a first target transmit power and a first adjustment amount of the first communication module, wherein the second target transmit power is determined based on the first target transmit power and the first adjustment amount; a first parameter and a second adjustment amount of the first communication module, wherein the second parameter is determined based on the first parameter and the second adjustment amount; a second target transmit power and a third adjustment amount of the second communication module, wherein the first target transmit power is determined based on the second target transmit power and the third adjustment amount; a second parameter and a fourth adjustment amount of the second communication module, wherein the first parameter is determined based on the second parameter and the fourth adjustment amount; The first and second parameters; The first parameter includes a parameter used to determine the first target transmit power; and the second parameter includes a parameter used to determine the second target transmit power.

32. The device according to claim 31, wherein When the signal transmission bandwidths of the first communication module and the second communication module are different: The second adjustment amount includes a first power adjustment amount, and the first power adjustment amount is used to indicate the power adjustment caused by converting the signal transmission bandwidth of the first communication module into the signal transmission bandwidth of the second communication module; or, The fourth adjustment amount includes a second power adjustment amount, where the second power adjustment amount is used to indicate a power adjustment caused by converting the signal transmission bandwidth of the second communication module to the signal transmission bandwidth of the first communication module.

33. The device according to claim 31, wherein In the case where the signal transmission formats of the first communication module and the second communication module are different: The second adjustment amount includes a third power adjustment amount, and the third power adjustment amount is used to indicate the power adjustment caused by converting the signal transmission format of the first communication module into the signal transmission format of the second communication module; or, The fourth adjustment amount includes a fourth power adjustment amount, and the fourth power adjustment amount is used to indicate the power adjustment caused by converting the signal transmission format of the second communication module into the signal transmission format of the first communication module.

34. The device according to any one of claims 31 to 33, wherein: In the case where the first information includes the first parameter and the second parameter, the first acquisition module includes: A first acquiring unit, configured to acquire first configuration information; A first receiving unit, configured to receive a transmission power control TPC signaling; The first configuration information is used to configure a first static power control parameter and a second static power control parameter; the TPC signaling indicates a first dynamic power control parameter and a second dynamic power control parameter; The first parameter includes the first static power control parameter and the first dynamic power control parameter; the second parameter includes the second static power control parameter and the second dynamic power control parameter.

35. The device according to claim 31, wherein The first target transmit power and the second target transmit power satisfy at least one of the following conditions: First condition: the first target transmit power is less than or equal to the first maximum transmit power, and the second target transmit power is less than or equal to the second maximum transmit power; Second condition: the sum of the first target transmit power and the second target transmit power is less than or equal to the target maximum transmit power, and the target maximum transmit power is the maximum total transmit power of the first communication module and the second communication module.

36. A transmission power control device, applied to a second device, the device comprising: A first sending module is used to send first information to a first device, wherein the first device includes a first communication module and a second communication module, and the second communication module is an extremely low power consumption communication module; the first information is used to determine a first target transmission power of the first communication module for a first signal and a second target transmission power of the second communication module for a second signal.

37. The device according to claim 36, wherein The first information includes at least one of the following: a first target transmit power and a first adjustment amount of a first communication module, wherein the second target transmit power is determined based on the first target transmit power and the first adjustment amount; a first parameter and a second adjustment amount of a first communication module, wherein the second parameter is determined based on the first parameter and the second adjustment amount; a second target transmit power and a third adjustment amount of the second communication module, wherein the first target transmit power is determined based on the second target transmit power and the third adjustment amount; a second parameter and a fourth adjustment amount of the second communication module, the first parameter being determined based on the second parameter and the fourth adjustment amount; The first and second parameters; The first parameter includes a parameter used to determine the first target transmit power; and the second parameter includes a parameter used to determine the second target transmit power.

38. The device according to claim 37, wherein When the signal transmission bandwidths of the first communication module and the second communication module are different: The second adjustment amount includes a first power adjustment amount, and the first power adjustment amount is used to indicate the power adjustment caused by converting the signal transmission bandwidth of the first communication module into the signal transmission bandwidth of the second communication module; or, The fourth adjustment amount includes a second power adjustment amount, where the second power adjustment amount is used to indicate a power adjustment caused by converting the signal transmission bandwidth of the second communication module to the signal transmission bandwidth of the first communication module.

39. The device according to claim 37 or 38, wherein: In a case where the first information includes the first parameter and the second parameter, the first sending module includes: A first sending unit, configured to send first configuration information to a first device; A second sending unit, configured to send a transmission power control TPC signaling to the first device; The first configuration information is used to configure a first static power control parameter and a second static power control parameter; the TPC signaling indicates a first dynamic power control parameter and a second dynamic power control parameter; The first parameter includes the first static power control parameter and the first dynamic power control parameter; the second parameter includes the second static power control parameter and the second dynamic power control parameter.

40. The apparatus of claim 37, wherein: The first target transmit power and the second target transmit power satisfy at least one of the following conditions: First condition: the first target transmit power is less than or equal to the first maximum transmit power, and the second target transmit power is less than or equal to the second maximum transmit power; Second condition: the sum of the first target transmit power and the second target transmit power is less than or equal to the target maximum transmit power, and the target maximum transmit power is the maximum total transmit power of the first communication module and the second communication module.

41. A communication device, comprising a processor and a memory, wherein the memory stores a program or instruction that can be run on the processor, and when the program or instruction is executed by the processor, the steps of the transmission power control method as described in any one of claims 1 to 16 are implemented, or the steps of the transmission power control method as described in any one of claims 17 to 29 are implemented.

42. A readable storage medium storing a program or instruction, wherein the program or instruction, when executed by a processor, implements the steps of the transmission power control method as described in any one of claims 1 to 16, or implements the steps of the transmission power control method as described in any one of claims 17 to 29.

Images