Communication method, communication device, storage medium and program product

Abstract

The present disclosure relates to a communication method, a communication device, a storage medium and a program product. The communication method comprises: sending first information to a network device, wherein the first information is configured to determine a first power headroom, and the first power headroom is a power headroom of a sensing signal. By means of the embodiments of the present disclosure, the sensing communication efficiency can be improved.

Description

Communication methods, communication equipment, storage media and software products Technical Field

[0001] This disclosure relates to the field of communication technology, and in particular to communication methods, communication devices, storage media, and program products. Background Technology

[0002] Integrated Sensing and Communication (ISAC) technology integrates sensing capabilities into the design of communication systems, enabling these systems to provide sensing as a service alongside communication. In ISAC, a terminal can act as a sensing transmitter, sending sensing signals, while a sensing receiver can measure the reflected signals to perceive the target. Summary of the Invention

[0003] When the terminal acts as the sensing transmitter, the problem that needs to be solved is how to report the power margin corresponding to the sensing signal.

[0004] This disclosure provides communication methods, communication devices, storage media, and program products.

[0005] According to a first aspect of the present disclosure, a communication method is proposed, executed by a terminal, the method comprising: sending first information to a network device, the first information being used to determine a first power margin, the first power margin being a power margin of a sensed signal.

[0006] According to a second aspect of the present disclosure, a communication method is provided, executed by a network device, the method comprising: receiving first information sent by a terminal, the first information being used to determine a first power margin, the first power margin being a power margin of a sensing signal.

[0007] According to a third aspect of the present disclosure, a communication device is provided for performing the communication method of any of the above aspects.

[0008] According to a fourth aspect of the present disclosure, a communication system is provided, including a terminal and a network device, wherein the terminal is configured to implement the communication method of the first aspect, and the network device is configured to implement the communication method of the second aspect.

[0009] According to a fifth aspect of the present disclosure, a storage medium is provided that stores instructions which, when executed on a communication device, cause the communication device to perform the method of the first aspect or the second aspect.

[0010] According to a sixth aspect of the present disclosure, a program product is provided, including at least one of a program and instructions, wherein when the program or instructions are executed by a communication device, the communication method of the first aspect or the second aspect is implemented.

[0011] In this embodiment of the present disclosure, the terminal sends first information to the network device. The first information is used to determine the power margin of the sensing signal. The network device can determine the power margin of the sensing signal based on the first information, thereby ensuring that the terminal sends the sensing signal with a reasonable transmission power, improving the efficiency of sensing communication and reducing the interference of the sensing signal to other signals. Attached Figure Description

[0012] To more clearly illustrate the technical solutions in the embodiments of this disclosure, the accompanying drawings required for the description of the embodiments are introduced below. The following drawings are only some embodiments of this disclosure and do not impose specific limitations on the protection scope of this disclosure.

[0013] Figure 1 is a schematic diagram of the architecture of a communication system according to an embodiment of the present disclosure.

[0014] Figure 2 is an interactive schematic diagram of a communication method according to an embodiment of the present disclosure.

[0015] Figure 3 is a flowchart illustrating a communication method according to an embodiment of the present disclosure.

[0016] Figure 4 is a flowchart illustrating a communication method according to an embodiment of the present disclosure.

[0017] Figure 5A is a schematic diagram of the structure of the terminal proposed in an embodiment of this disclosure.

[0018] Figure 5B is a schematic diagram of the structure of the network device proposed in an embodiment of this disclosure.

[0019] Figure 6A is a schematic diagram of the structure of the communication device proposed in an embodiment of this disclosure.

[0020] Figure 6B is a schematic diagram of the chip structure proposed in an embodiment of this disclosure. Detailed Implementation

[0021] This disclosure provides communication methods, communication devices, storage media, and program products.

[0022] In a first aspect, embodiments of this disclosure propose a communication method executed by a terminal, the method comprising: sending first information to a network device, the first information being used to determine a first power margin, the first power margin being the power margin of a sensing signal.

[0023] In the above embodiments, the terminal sends first information to the network device. The first information is used to determine the power margin of the sensing signal. The network device can determine the power margin of the sensing signal based on the first information, thereby ensuring that the terminal sends the sensing signal with a reasonable transmission power, improving the efficiency of sensing communication and reducing the interference of the sensing signal to other signals.

[0024] In conjunction with some embodiments of the first aspect, in some embodiments, the first information includes the first power margin.

[0025] In conjunction with some embodiments of the first aspect, in some embodiments, the first information includes the first power margin and the second power margin, wherein the second power margin is the power margin corresponding to the first signal or any channel, and the first signal is a signal other than the sensing signal.

[0026] In conjunction with some embodiments of the first aspect, in some embodiments, the first information includes an offset value and a third power margin, wherein the offset value is an offset of the first power margin relative to the third power margin, and the third power margin is the power margin corresponding to the physical uplink data channel or sounding reference signal (SRS).

[0027] In conjunction with some embodiments of the first aspect, in some embodiments, the first power margin is determined based on the maximum transmission power of the terminal transmitting the sensing signal and the actual transmission power of the terminal transmitting the sensing signal.

[0028] In conjunction with some embodiments of the first aspect, in some embodiments, the maximum transmission power of the sensed signal has a corresponding relationship with the waveform, wherein the corresponding relationship is as follows: when the waveform is a Discrete Fourier Transform Extended Orthogonal Frequency Division Multiplexing (DFT-S-OFDM) waveform, the maximum transmission power is a first maximum transmission power; when the waveform is an Orthogonal Time-Frequency Space (OTFS) waveform, the maximum transmission power is a second maximum transmission power; and when the waveform is a Cyclic Prefix Orthogonal Frequency Division Multiplexing (CP-OFDM) waveform, the maximum transmission power is a third maximum transmission power.

[0029] In conjunction with some embodiments of the first aspect, in some embodiments, the first maximum transmit power, the second maximum transmit power, and the third maximum transmit power are indicated by higher-layer signaling.

[0030] In conjunction with some embodiments of the first aspect, in some embodiments, the maximum transmission power of the sensing signal corresponds to the waveform, wherein the waveform is the waveform used by the terminal to transmit the sensing signal.

[0031] In conjunction with some embodiments of the first aspect, in some embodiments, the maximum transmission power of the sensing signal corresponds to the waveform, which is a waveform pre-configured or dynamically configured by the network device.

[0032] In conjunction with some embodiments of the first aspect, in some embodiments, the maximum transmission power of the sensing signal corresponds to the waveform, which is the waveform used in the previous transmission before the terminal transmits the sensing reference signal.

[0033] In conjunction with some embodiments of the first aspect, in some embodiments, the sensing signal is transmitted based on multiple beams, and the first power margin is determined based on the sum of the transmission power corresponding to each of the beams.

[0034] In conjunction with some embodiments of the first aspect, in some embodiments, the first information is carried in a Media Access Control (MAC) control element (MAC CE) or physical layer control signaling.

[0035] Secondly, embodiments of this disclosure propose a communication method executed by a network device, the method comprising: receiving first information sent by a terminal, the first information being used to determine a first power margin, the first power margin being the power margin of a sensing signal.

[0036] In conjunction with some embodiments of the second aspect, in some embodiments, the first information includes the first power margin.

[0037] In conjunction with some embodiments of the second aspect, in some embodiments, the first information includes the first power margin and the second power margin, wherein the second power margin is the power margin corresponding to the first signal or any channel, and the first signal is a signal other than the sensing signal.

[0038] In conjunction with some embodiments of the second aspect, in some embodiments, the first information includes an offset value and a third power margin, wherein the offset value is an offset of the first power margin relative to the third power margin, and the third power margin is the power margin corresponding to the physical uplink data channel or sounding reference signal (SRS).

[0039] In conjunction with some embodiments of the second aspect, in some embodiments, the first power margin is determined based on the maximum transmission power of the terminal transmitting the sensing signal and the actual transmission power of the terminal transmitting the sensing signal.

[0040] In conjunction with some embodiments of the second aspect, in some embodiments, the maximum transmission power of the sensed signal has a corresponding relationship with the waveform, wherein the corresponding relationship is as follows: when the waveform is a Discrete Fourier Transform Extended Orthogonal Frequency Division Multiplexing (DFT-S-OFDM) waveform, the maximum transmission power is a first maximum transmission power; when the waveform is an Orthogonal Time-Frequency Space (OTFS) waveform, the maximum transmission power is a second maximum transmission power; and when the waveform is a Cyclic Prefix Orthogonal Frequency Division Multiplexing (CP-OFDM) waveform, the maximum transmission power is a third maximum transmission power.

[0041] In conjunction with some embodiments of the second aspect, in some embodiments, the first maximum transmit power, the second maximum transmit power, and the third maximum transmit power are indicated by higher-layer signaling.

[0042] In conjunction with some embodiments of the second aspect, in some embodiments, the maximum transmission power of the sensing signal corresponds to the waveform, wherein the waveform is the waveform used by the terminal to transmit the sensing signal.

[0043] In conjunction with some embodiments of the second aspect, in some embodiments, the maximum transmission power of the sensing signal corresponds to the waveform, which is a waveform pre-configured or dynamically configured by the network device.

[0044] In conjunction with some embodiments of the second aspect, in some embodiments, the maximum transmission power of the sensing signal corresponds to the waveform, which is the waveform used in the previous transmission before the terminal transmits the sensing reference signal.

[0045] In conjunction with some embodiments of the second aspect, in some embodiments, the sensing signal is transmitted based on multiple beams, and the first power margin is determined based on the sum of the transmission power corresponding to each of the beams.

[0046] In conjunction with some embodiments of the second aspect, in some embodiments, the first information is carried in a Media Access Control (MAC) control element (MAC CE) or physical layer control signaling.

[0047] Thirdly, embodiments of this disclosure provide a communication device for performing the communication method of the first or second aspect.

[0048] Fourthly, embodiments of this disclosure propose a communication system including a terminal and a network device, wherein the terminal is configured to implement the communication method of the first aspect, and the network device is configured to implement the communication method of the second aspect.

[0049] Fifthly, embodiments of this disclosure provide a storage medium storing instructions that, when executed on a communication device, cause the communication device to perform the method of the first aspect or the second aspect.

[0050] In a sixth aspect, embodiments of this disclosure provide a program product comprising at least one of a program and instructions, wherein when the program or instructions are executed by a communication device, the communication device performs the communication method of the first aspect or the second aspect.

[0051] In a seventh aspect, embodiments of this disclosure provide a chip or chip system. The chip or chip system includes processing circuitry configured to perform the methods described in optional implementations of the first or second aspect.

[0052] It is understood that the aforementioned devices, communication systems, storage media, program products, computer programs, chips, or chip systems are all used to perform the methods proposed in the embodiments of this disclosure. Therefore, the beneficial effects they can achieve can be referred to the beneficial effects in the corresponding methods, and will not be repeated here.

[0053] This disclosure provides communication methods, devices, communication systems, and storage media. In some embodiments, the terms "communication method" and "information sending method," "information receiving method," etc., may be used interchangeably.

[0054] This disclosure is not exhaustive, but merely illustrative of some embodiments, and is not intended to limit the scope of protection of this disclosure. Unless otherwise specified, each step in a particular embodiment can be implemented as an independent embodiment, and the steps can be arbitrarily combined. For example, a solution after removing some steps in a particular embodiment can also be implemented as an independent embodiment, and the order of the steps in a particular embodiment can be arbitrarily interchanged. Furthermore, the optional implementation methods in a particular embodiment can be arbitrarily combined; moreover, the embodiments can be arbitrarily combined, for example, some or all steps of different embodiments can be arbitrarily combined, and a particular embodiment can be arbitrarily combined with the optional implementation methods of other embodiments.

[0055] In each of the disclosed embodiments, unless otherwise specified or in case of logical conflict, the terminology and / or descriptions of the embodiments are consistent and can be referenced by each other. Technical features in different embodiments can be combined to form new embodiments based on their inherent logical relationships.

[0056] The terminology used in the embodiments of this disclosure is for the purpose of describing particular embodiments only and is not intended to limit the scope of this disclosure.

[0057] In this embodiment of the disclosure, unless otherwise stated, elements expressed in the singular form, such as "a," "an," "the," "the," "the," "the," "the," "the," "this," etc., can mean "one and only one," or "one or more," "at least one," etc. For example, when using articles such as "a," "an," "the," etc. in translation, the noun following the article can be understood as either a singular expression or a plural expression.

[0058] In the embodiments disclosed herein, "multiple" refers to two or more.

[0059] In some embodiments, the terms “at least one of”, “one or more”, “a plurality of”, “multiple”, etc., may be used interchangeably.

[0060] In some embodiments, the notation "at least one of A and B", "A and / or B", "A in one case, B in another", "in response to one case A, in response to another case B", etc., may include the following technical solutions depending on the situation: in some embodiments, A (execute A regardless of B); in some embodiments, B (execute B regardless of A); in some embodiments, execution is selected from A and B (A and B are selectively executed); in some embodiments, A and B (both A and B are executed). The same applies when there are more branches such as A, B, C, etc.

[0061] In some embodiments, the notation "A or B" may include the following technical solutions, depending on the situation: in some embodiments, A (execution of A regardless of B); in some embodiments, B (execution of B regardless of A); in some embodiments, execution is selected from A and B (A and B are selectively executed). The same applies when there are more branches such as A, B, C, etc.

[0062] The prefixes "first," "second," etc., used in the embodiments of this disclosure are merely for distinguishing different descriptive objects and do not impose restrictions on the position, order, priority, quantity, or content of the descriptive objects. The description of the descriptive objects is found in the claims or the context of the embodiments, and the use of prefixes should not constitute unnecessary restrictions. For example, if the descriptive object is a "field," the ordinal numbers preceding "field" in "first field" and "second field" do not restrict the position or order of the "fields." "First" and "second" do not restrict whether the "fields" they modify are in the same message, nor do they restrict the order of "first field" and "second field." Similarly, if the descriptive object is a "level," the ordinal numbers preceding "level" in "first level" and "second level" do not restrict the priority between "levels." Furthermore, the number of descriptive objects is not limited by ordinal numbers and can be one or more. For example, in "first device," the number of "devices" can be one or more. Furthermore, the objects modified by different prefixes can be the same or different. For example, if the object being described is "device", then "first device" and "second device" can be the same device or different devices, and their types can be the same or different. Similarly, if the object being described is "information", then "first information" and "second information" can be the same information or different information, and their content can be the same or different.

[0063] In some embodiments, “including A,” “containing A,” “for indicating A,” and “carrying A” can be interpreted as directly carrying A or indirectly indicating A.

[0064] In some embodiments, the terms “in response to…”, “in response to determining…”, “in the case of…”, “when…”, “if…”, “if…”, etc., can be used interchangeably.

[0065] In some embodiments, the terms “greater than,” “greater than or equal to,” “not less than,” “more than,” “more than or equal to,” “not less than,” “higher than,” “higher than or equal to,” “not lower than,” and “above” can be used interchangeably, as can the terms “less than,” “less than or equal to,” “not greater than,” “less than,” “less than or equal to,” “not more than,” “lower than,” “lower than or equal to,” “not higher than,” and “below”.

[0066] In some embodiments, devices, etc., can be interpreted as physical or virtual, and their names are not limited to the names recorded in the embodiments. Terms such as “device”, “equipment”, “circuit”, “network element”, “node”, “function”, “unit”, “section”, “system”, “network”, “chip”, “chip system”, “entity”, and “subject” can be used interchangeably.

[0067] In some embodiments, "network" can be interpreted as devices included in a network (e.g., access network devices, core network devices, etc.).

[0068] In some embodiments, the terms "access network device (AN device)," "radio access network device (RAN device)," "base station (BS)," "radio base station," "fixed station," "node," "access point," "transmission point (TP)," "reception point (RP)," "transmission / reception point (TRP)," "panel," "antenna panel," "antenna array," "cell," "macro cell," "small cell," "femto cell," "pico cell," "sector," "cell group," "serving cell," "carrier," "component carrier," and "bandwidth part (BWP)" can be used interchangeably.

[0069] In some embodiments, the terms "terminal", "terminal device", "user equipment (UE)", "user terminal", "mobile station (MS)", "mobile terminal (MT)", "subscriber station", "mobile unit", "subscriber unit", "wireless unit", "remote unit", "mobile device", "wireless device", "wireless communication device", "remote device", "mobile subscriber station", "access terminal", "mobile terminal", "wireless terminal", "remote terminal", "handset", "user agent", "mobile client", and "client" can be used interchangeably.

[0070] In some embodiments, access network devices, core network devices, or network devices can be replaced by terminals. For example, embodiments of this disclosure can also be applied to structures where communication between access network devices, core network devices, or network devices and terminals is replaced by communication between multiple terminals (e.g., device-to-device (D2D), vehicle-to-everything (V2X), etc.). In this case, the structure can also be configured such that the terminal has all or part of the functions of the access network device. Furthermore, terms such as "uplink" and "downlink" can be replaced with terms corresponding to communication between terminals (e.g., "sidelink"). For example, uplink channel, downlink channel, etc., can be replaced with sidelink channel, and uplink link, downlink, etc., can be replaced with sidelink link.

[0071] In some embodiments, the terminal may be replaced by an access network device, a core network device, or a network device. In this case, the access network device, core network device, or network device may also be configured to have all or some of the functions of the terminal.

[0072] In some embodiments, the acquisition of data, information, etc., may comply with the laws and regulations of the country where the location is situated.

[0073] In some embodiments, data, information, etc., may be obtained with the user's consent.

[0074] Furthermore, each element, each row, or each column in the table of this disclosure can be implemented as an independent embodiment, and any combination of any element, any row, or any column can also be implemented as an independent embodiment.

[0075] Figure 1 is a schematic diagram of the architecture of a communication system according to an embodiment of the present disclosure.

[0076] As shown in Figure 1, the communication system 100 includes a terminal 101 and a network device 102.

[0077] In some embodiments, terminal 101 may be, for example, a user equipment (UE), including at least one of the following: mobile phone, wearable device, Internet of Things device, car with communication function, smart car, tablet computer, computer with wireless transceiver function, virtual reality (VR) terminal device, augmented reality (AR) terminal device, wireless terminal device in industrial control, wireless terminal device in self-driving, wireless terminal device in remote medical surgery, wireless terminal device in smart grid, wireless terminal device in transportation safety, wireless terminal device in smart city, and wireless terminal device in smart home, but not limited thereto.

[0078] In some embodiments, network device 102 may be a functional network element in a core network device. The core network device may be a single device, including a first network element, a second network element, etc., or it may be multiple devices or a group of devices, each including all or part of the first network element, the second network element, etc. Network elements may be virtual or physical. The core network may include, for example, at least one of an Evolved Packet Core (EPC), a 5G Core Network (5GCN), and a Next Generation Core (NGC).

[0079] In some embodiments, network device 102 may include at least one of access network device and core network device.

[0080] In some embodiments, the access network device is, for example, a node or device that connects a terminal to a wireless network. The access network device may include, but is not limited to, at least one of the following in a 5G communication system: evolved Node B (eNB), next-generation eNB (ng-eNB), next-generation Node B (gNB), node B (NB), home node B (HNB), home evolved node B (HeNB), radio backhaul device, radio network controller (RNC), base station controller (BSC), base transceiver station (BTS), base band unit (BBU), mobile switching center, base station in a 6G communication system, open RAN, cloud RAN, base station in other communication systems, and access node in a Wi-Fi system.

[0081] In some embodiments, the technical solutions of this disclosure can be applied to the Open RAN architecture. In this case, the interfaces between or within access network devices involved in the embodiments of this disclosure can be transformed into internal interfaces of Open RAN. The processes and information interactions between these internal interfaces can be implemented by software or programs.

[0082] In some embodiments, the access network device may be composed of a central unit (CU) and a distributed unit (DU). The CU may also be called a control unit. The CU-DU structure can separate the protocol layer of the access network device. Some of the protocol layer functions are centrally controlled by the CU, while the remaining part or all of the protocol layer functions are distributed in the DU and centrally controlled by the CU. However, this is not the only possibility.

[0083] In some embodiments, a core network device may be a single device comprising one or more network elements, or it may be multiple devices or a group of devices, each comprising all or part of the aforementioned one or more network elements. Network elements may be virtual or physical. The core network may include, for example, at least one of an Evolved Packet Core (EPC), a 5G Core Network (5GCN), or a Next Generation Core (NGC).

[0084] It is understood that the communication system described in this disclosure is for the purpose of more clearly illustrating the technical solutions of this disclosure, and does not constitute a limitation on the technical solutions proposed in this disclosure. As those skilled in the art will know, with the evolution of system architecture and the emergence of new business scenarios, the technical solutions proposed in this disclosure are also applicable to similar technical problems.

[0085] The following embodiments of this disclosure can be applied to the communication system 100 shown in FIG1, or to some of the main bodies, but are not limited thereto. The main bodies shown in FIG1 are illustrative. The communication system may include all or some of the main bodies in FIG1, or may include other main bodies outside of FIG1. ​​The number and form of each main body are arbitrary. Each main body may be physical or virtual. The connection relationship between the main bodies is illustrative. The main bodies may not be connected or may be connected. The connection can be in any way, it can be a direct connection or an indirect connection, it can be a wired connection or a wireless connection.

[0086] The embodiments disclosed herein can be applied to Long Term Evolution (LTE), LTE-Advanced (LTE-A), LTE-Beyond (LTE-B), SUPER 3G, IMT-Advanced, 4th generation mobile communication system (4G), 5th generation mobile communication system (5G), 5G new radio (NR), 6th generation mobile communication system (6G), Future Radio Access (FRA), New-Radio Access Technology (RAT), New Radio (NR), New radio access (NX), Future generation radio access (FX), Global System for Mobile communications (GSM), CDMA2000, Ultra Mobile Broadband (UMB), IEEE 802.11 (Wi-Fi), IEEE 802.16 (WiMAX), and IEEE 802.20, Ultra-Wideband (UWB), Bluetooth (a registered trademark), Public Land Mobile Network (PLMN) networks, Device-to-Device (D2D) systems, Machine-to-Machine (M2M) systems, Internet of Things (IoT) systems, Vehicle-to-Everything (V2X) systems, systems utilizing other communication methods, and next-generation systems built upon them, etc. Furthermore, multiple systems can be combined (e.g., a combination of LTE or LTE-A with 5G).

[0087] A Power Headroom Report (PHR) is a report submitted by a terminal to network equipment (such as a base station) to determine the terminal's power headroom (PH). The PHR indicates the PH value. Based on the PHR, the network equipment can know how much power headroom the terminal has left, and thus better control and schedule the terminal's transmission power when the terminal transmits signals or channels at the next transmission opportunity, so as to ensure the effective utilization of network resources and ensure communication quality.

[0088] In some embodiments, the formula for determining the power margin is: PH = Pcmax – Pactual, where Pcmax is the maximum transmit power of the terminal, and Pactual is the actual transmit power specified by the power control formula for the uplink channel and signal according to the protocol.

[0089] For example, if the pH value in the PHR is greater than 0 and is 5dBm, the network device knows that the terminal has a 5dBm margin in its transmit power. Therefore, when scheduling signals for the next transmission opportunity, the network device can instruct the terminal to increase its transmit power. For instance, the network device can instruct the terminal to increase its transmit power by using the Transmit Power Control (TPC) value, or by indicating the amount of resources occupied by the signal or channel.

[0090] The NR specifies three types of PHR, as detailed below:

[0091] Type 1: The difference between the nominal maximum transmit power of the terminal in each active serving cell and the actual transmit power of the uplink-shared channel (UL-SCH) (i.e., the actual transmit power specified by the power control formula of the uplink channel and signal according to the protocol);

[0092] Type 2: The difference between the terminal's nominal maximum transmit power and the actual power transmitted on the UL-SCH and Physical Uplink Control Channel (PUCCH) of a special cell (SpCell) of another Medium Access Control (MAC) entity (only for Evolved Universal Terrestrial Radio Access (E-UTRA) MAC entities in the case of UTRA-NR Dual Connectivity (EN-DC)). (This type of PHR reporting is not currently supported.)

[0093] Type 3: The difference between the nominal maximum transmit power of the terminal in each active serving cell and the actual transmit power of the Sounding Reference Signal (SRS).

[0094] Integrated Sensing and Communication (ISAC) technology is a new communication technology in 5G and / or 6G (primarily 6G). It aims to integrate sensing capabilities into the design of communication systems, enabling them to provide sensing as a service alongside communication. By sending and receiving sensing signals, gNB / UE can perceive information such as the distance, speed, and angle of targets / environment, acquiring information about the surrounding targets / environment for applications such as drone detection, intrusion detection, intelligent transportation, and smart factories.

[0095] Research on ISCA technology in terrestrial networks includes six sensing modes: TRP A transmits and TRP B receives (TRP-TRP bistatic), TRP self-transmitting and self-receiving (TRP monostatic), TRP transmits and UE receives (TRP-UE bistatic), UE transmits and TRP receives (UE-TRP bistatic), UE A transmits and UE B receives (UE-UE bistatic), and UE self-transmitting and self-receiving (UE monostatic).

[0096] In sensing technology, when the terminal acts as the sensing transmitter, it sends a sensing signal (i.e., sensing RS). The sensing receiver needs to measure the reflected signal of the sensing signal (sensing RS) to determine the Doppler frequency offset caused by the movement of the target object. Then, based on the formula of Doppler frequency offset and velocity, it determines the radial velocity of the target object or the angle and position of the target object.

[0097] There are two design schemes for the sensing signal (RS). Scheme 1: Use the existing uplink signal in the NR as the sensing RS, such as using SRS; Scheme 2: Introduce a new signal as the sensing RS, which has a corresponding time-frequency domain structure.

[0098] In the mode where the terminal sends sensing reference signals, for Scheme 1, the existing NR uplink has already specified PH reporting based on SRS, that is, PH reporting of type 3. Therefore, the PHR reporting of type 3 can be reused as the PH reporting of sensing RS. However, for Scheme 2, a new signal is introduced. How to report the PHR of this new signal is a technical problem that needs to be solved.

[0099] In view of this, embodiments of the present disclosure provide a communication method in which a terminal sends first information to a network device. The first information is used to determine the power margin corresponding to the sensing signal. The network device can determine the power margin of the sensing signal based on the first information, thereby ensuring that the terminal sends the sensing signal with a reasonable transmission power, improving the efficiency of sensing communication and reducing the interference of the sensing signal to other signals.

[0100] Figure 2 is an interactive schematic diagram of a communication method according to an embodiment of the present disclosure. As shown in Figure 2, the embodiments of the present disclosure relate to a communication method, which includes:

[0101] In step S2101, terminal 101 sends first information to network device 102.

[0102] In some embodiments, network device 102 receives first information sent by terminal 101.

[0103] In some embodiments, the first information is used to determine a first power margin, which is the power margin of the sensing signal. That is, the first power margin is the power margin corresponding to the sensing signal transmitted by the terminal.

[0104] In some embodiments, the sensing signal may also be referred to as the sensing reference signal, or in English, the sensing RS.

[0105] In some embodiments, terminal 101 can serve as a sensing transmitter, and terminal 101 can send sensing signals for sensing communication.

[0106] In some embodiments, terminal 101 may send first information to network device 102, network device 102 may determine the power margin corresponding to the sensing signal based on the first information, and network device 102 may control and schedule the sensing signal sent by terminal 101 based on the power margin corresponding to the sensing signal.

[0107] In some embodiments, the first information may include one of the following.

[0108] In one example, the first information includes a first power margin. The first power margin is the power margin of the sensed signal.

[0109] In this example, terminal 101 can send the power margin of the sensed signal to network device 102, and network device 102 can receive the power margin of the sensed signal.

[0110] In this example, a new PHR type can be specified, for example, the new PHR type is called type X, which is only used for reporting the power margin of the sensed signal.

[0111] In this example, terminal 101 can send the first power margin separately.

[0112] In another example, the first information includes a first power margin and a second power margin. The first power margin is the power margin of the sensed signal. The second power margin is the power margin corresponding to a first signal or any channel, where the first signal is a signal other than the sensed signal, and the first power margin is the power margin of the sensed signal.

[0113] In other words, the first information includes the power margin of the sensed signal, as well as the power margin of at least one other signal or channel.

[0114] In this example, a new PHR type can be specified, for example, the new PHR type is called type Y, which is used to report the power margin of the sensed signal and the power margin of one or more other uplink channels or signals at the same time.

[0115] In this example, terminal 101 can simultaneously send a first power margin (power margin of the sensed signal) and a second power margin (power margin of other signals or channels) to network device 102.

[0116] For example, the second power margin is the power margin of the PUSCH, and the first power margin (power margin of the sensing signal) and the power margin of the PUSCH are transmitted simultaneously at the same time using frequency division multiplexing (FDM). That is, when the terminal reports a PHR of type Y, it can simultaneously report the PH value of the sensing signal and the PH value of the PUSCH.

[0117] For example, the second power margin is the power margin of the SRS, and the first power margin (power margin of the sensing signal) and the power margin of the SRS are transmitted simultaneously at the same time using FDM. That is, when the terminal reports the PHR of type Y, it can simultaneously report the PH value of the sensing signal and the PH value of the SRS.

[0118] It is understood that the power margin reporting of the above-mentioned PUSCH and SRS can be determined in accordance with the PHR reporting method specified in the agreement, and this disclosure does not limit it in this regard.

[0119] In another example, the first information includes an offset value and a third power margin, where the offset value is the offset of the first power margin relative to the third power margin, and the third power margin is the power margin corresponding to the physical uplink data channel or sounding reference signal (SRS).

[0120] The physical uplink data channel can be, for example, PUSCH or a 6G data channel.

[0121] In this example, terminal 101 can report a third power margin and an offset value to network device 102. Network device 102 determines the power margin of the sensing signal based on the third power margin and the offset value. For example, network device 102 uses the sum of the third power margin and the offset value as the power margin of the sensing signal.

[0122] In this example, the offset value can be positive, negative, or 0.

[0123] In this example, terminal 101 can report the power margin of the physical uplink data channel and the offset value of the sensing signal relative to the power margin of the physical uplink data channel to network device 102. Network device 102 determines the power margin of the sensing signal based on the power margin of the physical uplink data channel and the offset value.

[0124] That is, terminal 101 can report the power margin of the physical uplink data channel based on type 1 PHR and report the offset value to realize the reporting of the power margin of the sensed signal. Among them, the offset value and the power margin of the physical uplink data channel can be reported simultaneously or separately.

[0125] In this example, terminal 101 can report the power margin of SRS and the offset value of the sensing signal relative to the power margin of SRS to network device 102. Network device 102 determines the power margin of the sensing signal based on the power margin of SRS and the offset value.

[0126] That is, terminal 101 can report the power margin of SRS based on type3 PHR and report the offset value to realize the reporting of the power margin of the sensing signal. Among them, the offset value and the power margin of SRS can be reported simultaneously or separately.

[0127] In some embodiments, the first power margin is determined based on the maximum transmission power of the terminal transmitting the sensing signal and the actual transmission power of the terminal transmitting the sensing signal.

[0128] In some embodiments, the terminal may determine the power margin of the sensing signal, i.e., the first power margin, based on the maximum transmission power of the sensing signal transmitted by the terminal and the actual transmission power of the sensing signal transmitted by the terminal.

[0129] In some embodiments, the first power margin is the difference between the maximum transmission power of the terminal transmitting the sensing signal and the actual transmission power of the terminal transmitting the sensing signal.

[0130] In some embodiments, the formula for calculating the power margin is: PH = Pcmax - Pactual, where PH can represent the power margin of the sensing signal, Pactual is the actual power value of the sensing signal transmitted by the terminal, and Pcmax is the maximum transmission power value of the sensing signal transmitted by the terminal using a certain uplink waveform.

[0131] In some embodiments, the maximum transmission power of the sensed signal corresponds to the waveform as follows: when the waveform is a discrete Fourier transform-spread-Orthogonal Frequency Division Multiplexed (DFT-S-OFDM) waveform, the maximum transmission power is the first maximum transmission power; when the waveform is an orthogonal time-frequency space (OTFS) waveform, the maximum transmission power is the second maximum transmission power; and when the waveform is a cyclic prefix-Orthogonal Frequency Division Multiplexed (CP-OFDM) waveform, the maximum transmission power is the third maximum transmission power.

[0132] In this embodiment of the disclosure, the first maximum transmission power, the second maximum transmission power, and the third maximum transmission power may be different. The first maximum transmission power can be represented by Pcmax1, the second maximum transmission power can be represented by Pcmax2, and the third maximum transmission power can be represented by Pcmax3.

[0133] In this embodiment of the disclosure, the maximum transmission power of the terminal transmitting the sensing signal is related to the waveform used by the terminal for transmission. This is because different waveforms correspond to different peak to average power ratios (PAPR) values, so the maximum transmission power (Pcmax) value that the terminal's amplifier can reach when operating in the linear region is different.

[0134] For example, when using a DFT-S-OFDM waveform, Pcmax1 is used to calculate the pH value; when using an OTFS waveform, Pcmax2 is used to calculate the pH value; and when using a CP-OFDM waveform, Pcmax3 is used to calculate the pH value.

[0135] In some embodiments, the first maximum transmit power, the second maximum transmit power, and the third maximum transmit power are indicated by higher-layer signaling.

[0136] The higher-level signaling may be, for example, Radio Resource Control (RRC) signaling or other higher-level signaling, and this disclosure does not limit it.

[0137] In some embodiments, the network device may directly indicate the values ​​of a first maximum transmit power, a second maximum transmit power, and a third maximum transmit power via higher-layer signaling. The network device may also indicate the value of one of the maximum transmit power values, as well as the offset values ​​of the other maximum transmit powers relative to that maximum transmit power, via higher-layer signaling; for example, indicating the value of the first maximum transmit power, the offset value of the second maximum transmit power relative to the first maximum transmit power, and the offset value of the third maximum transmit power relative to the first maximum transmit power.

[0138] In some embodiments, the maximum transmission power of the sensing signal corresponds to the waveform, which is the waveform used by the terminal to transmit the sensing signal.

[0139] In this embodiment of the disclosure, the maximum transmission power of the terminal transmitting the sensing signal is determined based on the waveform used by the terminal to transmit the sensing signal. For example, when transmitting the sensing signal using a DFT-S-OFDM waveform, a first maximum transmission power Pcmax1 is used to calculate the pH value; when transmitting the sensing signal using an OTFS waveform, a second maximum transmission power Pcmax2 is used to calculate the pH value; and when transmitting the sensing signal using a CP-OFDM waveform, a third maximum transmission power Pcmax3 is used to calculate the pH value.

[0140] In some embodiments, the maximum transmission power of the sensing signal corresponds to the waveform, which is a waveform pre-configured or dynamically configured by the network device.

[0141] In this embodiment of the disclosure, the maximum transmission power of the sensing signal transmitted by the terminal is determined based on a waveform pre-configured or dynamically configured by the network device. That is, in this embodiment, regardless of which waveform is used for uplink transmission, the maximum transmission power of the sensing signal is determined based on a pre-configured or dynamically configured waveform.

[0142] For example, when the configured waveform is a DFT-S-OFDM waveform, the first maximum transmit power Pcmax1 is used to calculate the PH value; when the configured waveform is an OTFS waveform, the second maximum transmit power Pcmax2 is used to calculate the PH value; and when the configured waveform is a CP-OFDM waveform, the third maximum transmit power Pcmax3 is used to calculate the PH value.

[0143] In some embodiments, the maximum transmission power of the sensing signal corresponds to the waveform, which is the waveform used in the previous transmission before the terminal transmits the sensing reference signal.

[0144] In this embodiment, the maximum transmission power of the terminal transmitting the sensing signal is determined based on the waveform used in the terminal's previous transmission. The content of the terminal's previous transmission can be a sensing signal, or other signals or channels. That is, in this embodiment, it can be assumed that the terminal uses the same waveform for uplink transmission over a period of time.

[0145] For example, if the terminal sends a PUSCH once before sending the sensing signal, and the waveform used to send the PUSCH is a CP-OFDM waveform, and the maximum transmission power value corresponding to this waveform is the third maximum transmission power Pcmax3, then the third maximum transmission power Pcmax3 is used to calculate the PH value.

[0146] For example, if the terminal sends an SRS once before sending a sensing signal, and the waveform used to send the SRS is a DFT-S-OFDM waveform, and the maximum transmission power value corresponding to this waveform is the first maximum transmission power Pcmax1, then the first maximum transmission power Pcmax1 is used to calculate the PH value.

[0147] In some embodiments, the sensing signal is transmitted based on multiple beams, and the first power margin is determined based on the sum of the transmission power corresponding to each beam.

[0148] In this embodiment of the disclosure, the power margin of the sensing signal is related to the beam. When multiple beams are used to transmit the sensing signal at the same time, the transmission power of all beams needs to be considered when determining the power margin of the sensing signal.

[0149] In this embodiment of the disclosure, the first power margin is determined based on the sum of the transmission power corresponding to each beam, and the first power margin can be equal to the maximum transmission power minus the sum of the transmission power corresponding to each beam.

[0150] For example, if the terminal's maximum transmission power is Pcmax, and the sensing signal is transmitted using two beams (beam 1 and beam 2), with the transmission power on beam 1 being P1 and the transmission power on beam 2 being P2, then the power margin of the sensing signal can be: PH = Pcmax - (P1 + P2).

[0151] In some embodiments, the first information is carried in a Medium Access Control Element (MAC CE) or physical layer control signaling.

[0152] In this embodiment of the disclosure, the first information may be carried in the MAC CE or the uplink control signaling.

[0153] In this embodiment of the disclosure, when reporting the first power margin (power margin of the sensed signal) and the second power margin (power margin of other signals or channels) at the same time, multiple power margin reports can be carried in the MAC CE at the same time, that is, multiple pH values ​​can be indicated.

[0154] In this embodiment of the disclosure, the first power margin (power margin of the sensing signal) may be included in the power margin report corresponding to the sensing signal.

[0155] The communication method provided in this embodiment involves a terminal sending first information to a network device. The first information is used to determine the power margin corresponding to the sensing signal. The network device can determine the power margin of the sensing signal based on the first information, and then control the terminal to send the sensing signal based on the power margin. This ensures that the terminal sends the sensing signal using a reasonable transmission power, thereby improving the efficiency of sensing communication and reducing the interference of the sensing signal to other signals.

[0156] In some embodiments, other optional implementations described before or after the specification corresponding to FIG2 may be referred to.

[0157] In some embodiments, the names of information, etc., are not limited to the names described in the embodiments. Terms such as "information", "message", "signal", "signaling", "report", "configuration", "indication", "instruction", "command", "channel", "parameter", "domain", "field", "symbol", "symbol", "codebook", "codeword", "codepoint", "bit", "data", "program", and "chip" can be used interchangeably.

[0158] In some embodiments, terms such as “moment,” “point in time,” “time,” and “time location” can be used interchangeably, as can terms such as “duration,” “segment,” “time window,” “window,” and “time.”

[0159] In some embodiments, “get,” “obtain,” “receive,” “transmit,” “bidirectional transmission,” and “send and / or receive” can be used interchangeably and can be interpreted as receiving from other entities, obtaining from protocols, obtaining from higher layers, obtaining through self-processing, or autonomous implementation, among other meanings.

[0160] In some embodiments, terms such as “send,” “transmit,” “report,” “distribute,” “transfer,” “bidirectional transmission,” “send and / or receive” can be used interchangeably.

[0161] In some embodiments, terms such as "certain," "preset," "default," "set," "indicated," "a certain," "any," and "first" can be used interchangeably. "Certain A," "preset A," "default A," "set A," "indicated A," "a certain A," "any A," and "first A" can be interpreted as A pre-defined in a protocol or the like, or as A obtained through setting, configuration, or instruction, or as specific A, a certain A, any A, or first A, but are not limited thereto.

[0162] In some embodiments, the determination or judgment can be made by a value represented by 1 bit (0 or 1), or by a true or false value (Boolean value (bool)) represented by true or false, or by a numerical comparison (e.g., a comparison with a predetermined value), but is not limited thereto.

[0163] In some embodiments, "not expecting to receive" can be interpreted as not receiving on time domain resources and / or frequency domain resources, or as not performing subsequent processing on the data after receiving it; "not expecting to send" can be interpreted as not sending, or as sending but not expecting the receiver to respond to the sent content.

[0164] Figure 3 is a flowchart illustrating a communication method according to an embodiment of the present disclosure. As shown in Figure 3, this embodiment relates to a communication method executed by terminal 101, the method including:

[0165] Step S3101: Send the first message.

[0166] The optional implementation of step S3101 can be found in the optional implementation of step S2101 in Figure 2 and other related parts in the embodiments involved in Figure 2, which will not be repeated here.

[0167] In some embodiments, terminal 101 sends first information to network device 102, but is not limited thereto; it may also send first information to other entities.

[0168] In one example, the first information includes a first power margin. The first power margin is the power margin of the sensed signal.

[0169] In this example, terminal 101 can send the power margin of the sensed signal to network device 102, and network device 102 can receive the power margin of the sensed signal.

[0170] In another example, the first information includes a first power margin and a second power margin. The first power margin is the power margin of the sensed signal. The second power margin is the power margin corresponding to a first signal or any channel, where the first signal is a signal other than the sensed signal, and the first power margin is the power margin of the sensed signal.

[0171] In this example, terminal 101 can simultaneously send a first power margin (power margin of the sensed signal) and a second power margin (power margin of other signals or channels) to network device 102.

[0172] In another example, the first information includes an offset value and a third power margin, where the offset value is the offset of the first power margin relative to the third power margin, and the third power margin is the power margin corresponding to the physical uplink data channel or sounding reference signal (SRS).

[0173] In this example, terminal 101 can report a third power margin and an offset value to network device 102. Network device 102 determines the power margin of the sensing signal based on the third power margin and the offset value. For example, network device 102 uses the sum of the third power margin and the offset value as the power margin of the sensing signal.

[0174] Figure 4 is a flowchart illustrating a communication method according to an embodiment of the present disclosure. As shown in Figure 4, this embodiment relates to a communication method executed by a network device 102, the method including:

[0175] Step S4101: Obtain the first information.

[0176] [Correction 03.01.2025 according to Rule 91] The optional implementation of step S4101 can be found in the optional implementation of step S2101 in Figure 2 and other related parts in the embodiments involved in Figure 2, which will not be repeated here.

[0177] In some embodiments, network device 102 receives first information sent by terminal 101, but is not limited thereto; it may also receive first information from other entities.

[0178] In one example, the first information includes a first power margin. The first power margin is the power margin of the sensed signal.

[0179] In this example, network device 102 receives the power margin of the sensing signal sent by terminal 101.

[0180] In another example, the first information includes a first power margin and a second power margin. The first power margin is the power margin of the sensed signal. The second power margin is the power margin corresponding to a first signal or any channel, where the first signal is a signal other than the sensed signal, and the first power margin is the power margin of the sensed signal.

[0181] In this example, network device 102 receives a first power margin (power margin of the sensed signal) and a second power margin (power margin of other signals or channels) sent by terminal 101.

[0182] In another example, the first information includes an offset value and a third power margin, where the offset value is the offset of the first power margin relative to the third power margin, and the third power margin is the power margin corresponding to the physical uplink data channel or sounding reference signal (SRS).

[0183] In this example, network device 102 receives a third power margin and an offset value sent by terminal 101. Network device 102 determines the power margin of the sensing signal based on the third power margin and the offset value. For example, network device 102 uses the sum of the third power margin and the offset value as the power margin of the sensing signal.

[0184] In some embodiments, the above methods may include the methods of the embodiments described above on the communication system side, terminal side, network device side, etc., which will not be repeated here.

[0185] This disclosure provides a communication method that may include any of the following schemes.

[0186] Option 1: Define a new PHR type, type X, which is only used for reporting the pH value of sensing RS.

[0187] Option 2: Define a new PHR type, type Y, which is used to simultaneously report the PH value of the sensing RS and the PH values ​​of one or more other uplink channels or signals.

[0188] For example, if the sensing RS and PUSCH are transmitted simultaneously at the same time using Frequency Division Multiplexing (FDM), the UE will report the PHR of type Y, that is, simultaneously report the PH value of the sensing RS and the PH value of the PUSCH.

[0189] For example, if the sensing RS and SRS are transmitted simultaneously in FDM at the same time, the UE will report the PHR of type Y, that is, simultaneously report the PH value of the sensing RS and the PH value of the SRS.

[0190] The PHRs for PUSCH and SRS are determined according to the PHR reporting method stipulated in the agreement.

[0191] Option 3: Determine the PHR reporting of the sensing RS based on type 1 PHR reporting and power offset value reporting, or type 3 PHR reporting and power offset value reporting, where the offset value is defined as follows:

[0192] When determining the PHR report of the sensing RS based on type 1 PHR reporting and power offset value reporting, the power offset value is the offset of the PH value of the sensing RS relative to the PH value of the PUSCH indicated by type 1 PHR.

[0193] When determining the PHR report of the sensing RS based on type 3 PHR reporting and power offset value reporting, the power offset value is the offset of the PH value of the sensing RS relative to the PH value of the SRS indicated by type 3 PHR.

[0194] The power offset value can be equal to 0, positive, or negative.

[0195] Based on Option 1, Option 2, or Option 3 above, the PHR reporting of sensing RS has the following characteristics:

[0196] Key Point 1: Calculate the pH value of the sensing RS using different Pcmax values ​​depending on the different waveforms used in the uplink.

[0197] The formula for calculating PH is: PH = Pcmax - Pactual, where Pactual is the actual power value of the UE transmitting the sensing RS, and Pcmax is the maximum transmission power value of the UE transmitting the sensing RS using a certain uplink waveform.

[0198] For example, when using a Discrete Fourier Transform-Spread-Orthogonal Frequency Division Multiplexed (DFT-S-OFDM) waveform, Pcmax1 is used to calculate the power (PH) value; when using an Orthogonal Time Frequency Space (OTFS) waveform, Pcmax2 is used; and when using a Cyclic Prefix-Orthogonal Frequency Division Multiplexed (CP-OFDM) waveform, Pcmax3 is used. Because the Peak-to-Average Power Ratio (PAPR) values ​​of these three waveforms are different, the maximum transmit power value (Pcmax) that the UE's amplifier can reach in the linear region is different.

[0199] Pcmax is indicated by RRC signaling, which indicates the Pcmax values ​​corresponding to the three waveforms, namely Pcmax1, Pcmax2, and Pcmax3. Alternatively, the RRC signaling indicates one of the three Pcmax values, such as Pcmax1, and the other two Pcmax values ​​are determined by indicating offset values ​​offset1 and offset2 relative to Pcmax1.

[0200] Key Point 2: Regardless of the waveform used for the uplink, use the same Pcmax value to calculate the PH value of the sensing RS.

[0201] Option 1: Uplink transmission will use multiple waveforms. A certain waveform will be pre-configured as the default waveform, and the Pcmax value corresponding to the default waveform will be used to calculate the PH value.

[0202] For example, the default waveform is pre-configured as the OTFS waveform, and its corresponding maximum transmission power is Pcmax2. The PH value is calculated using Pcmax2, i.e., PH = Pcmax2 - Pactual.

[0203] For example, the default waveform is pre-configured as a CP-OFDM waveform, and its corresponding maximum transmit power is Pcmax3. The PH value is calculated using Pcmax3, i.e., PH = Pcmax3 - Pactual.

[0204] Option 2: Uplink transmission will use multiple waveforms. The UE uses the waveform X used in the previous transmission and uses the corresponding Pcmax value of this waveform to calculate the PH value (because it can be assumed that the UE will only use the same waveform for uplink transmission within a certain period of time).

[0205] For example, if the UE sends a PUSCH before sending the sensing RS, and the waveform used for sending the PUSCH is a CP-OFDM waveform, and the maximum transmit power value corresponding to this waveform is Pcmax3, then Pcmax3 is used to calculate the PH value of the sensing RS, that is, PH = Pcmax3 - Pactual.

[0206] For example, if the UE transmits SRS before transmitting Sensing RS, and the waveform used for transmitting SRS is a DFT-S-OFDM waveform, and the maximum transmit power value corresponding to this waveform is Pcmax1, then Pcmax1 is used to calculate the PH value of Sensing RS, i.e., PH = Pcmax1 - Pactual.

[0207] Key Point 3: The PHR reporting of Sensing RS is beam-related. When Sensing RS transmits using multiple beams simultaneously, the PH value calculation during PHR reporting needs to consider the sum of the PH values ​​of all beams.

[0208] For example, if the UE's maximum transmit power is Pcmax, and this maximum transmit power Pcmax is used to calculate the PH value, assuming the sensing RS uses two beams for transmission, namely beam#1 and beam#2. The sensing RS transmit power parameter set corresponding to beam#1 is set1, and the sensing RS transmit power parameter set corresponding to beam2 is set2. Then, the transmit power on beam1 calculated by the UE based on set1 is P1, and the transmit power on beam2 calculated based on set2 is P2. Therefore, the PH of the sensing RS is calculated as: PH = Pcmax - (P1 + P2).

[0209] The PHR report of the sensing RS can be carried in the uplink control signaling or the MAC CE. In Scheme 2, when using the typeY PHR type, that is, simultaneously reporting the PH value of the sensing RS and the PH value of one or more other uplink channels or signals, multiple PHR reports can be carried in the MAC CE at the same time, that is, indicating multiple PH values.

[0210] The PHR reporting for PUSCH and SRS shall be determined in accordance with the PHR reporting method stipulated in the agreement, which is as follows:

[0211] For PHR reporting of PUSCH (i.e., type 1 PHR):

[0212] If the PUSCH transmission is associated with the k-th TCI State or TCI-UL-State, the UE calculates the PHR of PUSCH type 1 using the following formula: The unit of PHR is decibel (dB), and k represents the kth TCI-State or TCI-UL-State.

[0213] Otherwise, the calculation formula is (i.e., when not associated with any TCI state, it is not beam-based power control):

[0214] The power formula for PUSCH can be:

[0215] Among them, P CMAX,f,c (i) represents the maximum transmit power of the UE, and i represents the transmission time of the PUSCH.

[0216] P O_PUSCH,b,f,c (j) represents the target power value;

[0217] This represents the normalized power value of PUSCH over the resources it occupies.

[0218] α b,f,c (j) represents the road loss compensation coefficient;

[0219] PL b,f,c (q d The path loss value between the UE and the base station is determined by the UE based on the reference signal measurement.

[0220] Δ TF,b,f,c (i) is the received power value required by the base station based on the modulation scheme and channel coding rate, the number of information bits per resource unit;

[0221] f b,f,c (i,l) represents the closed-loop power value, which is the power adjustment value given to the UE by the base station based on the measurement determination.

[0222] For SRS PHR reporting (i.e., type 3 PHR):

[0223] Method 1: The UE calculates the type 3 PHR report based on the power parameter set corresponding to the actual SRS transmission, and calculates the PH value based on the following formula: PH type3b,f,c (i,q s ) = P CMAX,f,c (i)-{PO_SRS,b,f,c (q s )+10log 10 (2 μ ·M SRS,b,f,c (i))+α SRS,b,f,c (q s )·PL b,f,c (q d )+h b,f,c (i)}[dB]

[0224] Method 2: The UE calculates the type 3 PHR report based on the reference SRS, and calculates the PH value based on the following formula:

[0225] The power formula for SRS can be:

[0226] Among them, P CMAX,f,c (i) represents the maximum transmit power value of the UE;

[0227] P O_SRS,b,f,c (q s That is, based on the SRS resource set q s The determined target power value;

[0228] 10log 10 (2 μ ·M SRS,b,f,c (i) is the normalized power value on the frequency domain resources occupied by the SRS;

[0229] α SRS,b,f,c (q s () represents the road loss compensation coefficient;

[0230] PL b,f,c (q d The path loss value between the UE and the base station is determined by the UE based on the reference signal measurement.

[0231] h b,f,c (i,l) represents the closed-loop power value, which is the power adjustment value that the base station indicates to the UE based on the measurement.

[0232] P represents CMAX,f,c The linear value of (i).

[0233] The sensing RS transmit power can be determined in the following ways.

[0234] Method 1 reuses the power control formula of the Sensing RS for uplink channel measurement at the base station. The power formula of the Sensing RS is:

[0235] Method 2: Reuse the power control formula for positioning using SRS. The power formula for sensing RS is:

[0236] Method 3: Reuse the power control formula for uplink channel measurement using SRS base stations and add a path loss value. The power formula for sensing RS is:

[0237] Among them, P CMAX,f,c (i) represents the maximum transmit power value of the UE;

[0238] P sensing RS,b,f,c (q s () represents the target power value;

[0239] 10log 10 (2 μ ·M sensingRS,b,f,c (i) represents the normalized power value of the sensing RS over the occupied frequency domain resources;

[0240] α sensing RS,b,f,c are the road loss compensation coefficients;

[0241] PL b,f,c (q d The path loss value between the UE and the base station is determined by the UE based on a reference signal (such as CSI-RS or SSB).

[0242] h b,f,c (i,l) represents the closed-loop power value, which is the power adjustment value that the base station indicates to the UE based on the measurement.

[0243] loss1 represents the loss caused by the sensor RS being reflected by the target object, or the path loss caused by the sensor RS passing through the channel where the target object is located.

[0244] In the embodiments disclosed herein, some or all of the steps and their optional implementations may be arbitrarily combined with some or all of the steps in other embodiments, or may be arbitrarily combined with the optional implementations in other embodiments.

[0245] This disclosure also provides an apparatus for implementing any of the above methods. For example, an apparatus is provided that includes units or modules for implementing the steps performed by the terminal in any of the above methods. Alternatively, another apparatus is provided that includes units or modules for implementing the steps performed by a network device (e.g., an access network device, a core network functional node, a core network device, etc.) in any of the above methods.

[0246] It should be understood that the division of units or modules in the above device is only a logical functional division. In actual implementation, they can be fully or partially integrated into a single physical entity, or they can be physically separated. Furthermore, the units or modules in the device can be implemented by a processor calling software: for example, the device includes a processor connected to a memory containing instructions. The processor calls the instructions stored in the memory to implement any of the above methods or to implement the functions of the units or modules in the above device. The processor can be, for example, a general-purpose processor, such as a Central Processing Unit (CPU) or a microprocessor, and the memory can be internal or external to the device. Alternatively, the units or modules in the device can be implemented in the form of hardware circuits. The functionality of some or all of the units or modules can be achieved through the design of these hardware circuits, which can be understood as one or more processors. For example, in one implementation, the hardware circuit is an application-specific integrated circuit (ASIC). The functionality of some or all of the units or modules is achieved through the design of the logical relationships between the components within the circuit. In another implementation, the hardware circuit can be implemented using a programmable logic device (PLD). Taking a field-programmable gate array (FPGA) as an example, it can include a large number of logic gates. The connection relationships between the logic gates are configured through configuration files, thereby achieving the functionality of some or all of the units or modules. All units or modules of the above device can be implemented entirely through processor-called software, entirely through hardware circuits, or partially through processor-called software with the remaining parts implemented through hardware circuits.

[0247] In this embodiment, the processor is a circuit with signal processing capabilities. In one implementation, the processor can be a circuit with instruction read and execute capabilities, such as a Central Processing Unit (CPU), a microprocessor, a graphics processing unit (GPU) (which can be understood as a microprocessor), or a digital signal processor (DSP). In another implementation, the processor can implement certain functions through the logical relationships of hardware circuits. The logical relationships of the aforementioned hardware circuits are fixed or reconfigurable. For example, the processor is a hardware circuit implemented using an application-specific integrated circuit (ASIC) or a programmable logic device (PLD), such as an FPGA. In a reconfigurable hardware circuit, the process of the processor loading a configuration document and configuring the hardware circuit can be understood as the process of the processor loading instructions to implement the functions of some or all of the above units or modules. Furthermore, it can also be a hardware circuit designed for artificial intelligence, which can be understood as an ASIC, such as a Neural Network Processing Unit (NPU), a Tensor Processing Unit (TPU), or a Deep Learning Processing Unit (DPU).

[0248] Figure 5A is a schematic diagram of the terminal structure proposed in an embodiment of this disclosure. As shown in Figure 5A, the terminal 5100 may include a transceiver module 5101. In some embodiments, the transceiver module 5101 is used to send first information to a network device. Optionally, the transceiver module is used to perform at least one of the transceiver steps (such as step S2101, but not limited thereto) performed by the terminal in any of the above methods, which will not be described in detail here.

[0249] In some embodiments, the terminal may further include a processing module.

[0250] In some embodiments, the first information includes the first power margin.

[0251] In some embodiments, the first information includes the first power margin and the second power margin, wherein the second power margin is the power margin corresponding to the first signal or any channel, and the first signal is a signal other than the sensing signal.

[0252] In some embodiments, the first information includes an offset value and a third power margin, wherein the offset value is an offset of the first power margin relative to the third power margin, and the third power margin is the power margin corresponding to the physical uplink data channel or the sounding reference signal (SRS).

[0253] In some embodiments, the first power margin is determined based on the maximum transmission power of the terminal transmitting the sensing signal and the actual transmission power of the terminal transmitting the sensing signal.

[0254] In some embodiments, the maximum transmission power of the sensed signal has a corresponding relationship with the waveform, wherein the corresponding relationship is as follows: when the waveform is a Discrete Fourier Transform Extended Orthogonal Frequency Division Multiplexing (DFT-S-OFDM) waveform, the maximum transmission power is a first maximum transmission power; when the waveform is an Orthogonal Time-Frequency Space (OTFS) waveform, the maximum transmission power is a second maximum transmission power; and when the waveform is a Cyclic Prefix Orthogonal Frequency Division Multiplexing (CP-OFDM) waveform, the maximum transmission power is a third maximum transmission power.

[0255] In some embodiments, the first maximum transmit power, the second maximum transmit power, and the third maximum transmit power are indicated by higher-layer signaling.

[0256] In some embodiments, the maximum transmission power of the sensing signal corresponds to the waveform, and the waveform is the waveform used by the terminal to transmit the sensing signal.

[0257] In some embodiments, the maximum transmission power of the sensing signal corresponds to the waveform, which is a waveform pre-configured or dynamically configured by the network device.

[0258] In some embodiments, the maximum transmission power of the sensing signal corresponds to the waveform, which is the waveform used in the previous transmission before the terminal transmits the sensing reference signal.

[0259] In some embodiments, the sensing signal is transmitted based on multiple beams, and the first power margin is determined based on the sum of the transmission power corresponding to each of the beams.

[0260] In some embodiments, the first information is carried in a Media Access Control (MAC) control element (CE) or physical layer control signaling.

[0261] Figure 5B is a schematic diagram of the structure of a network device according to an embodiment of this disclosure. As shown in Figure 5B, the network device 5200 may include a transceiver module 5201. In some embodiments, the transceiver module 5201 is used to receive first information sent by a terminal. Optionally, the transceiver module is used to perform at least one of the transmission and reception steps performed by the network device in any of the above methods, which will not be described in detail here.

[0262] In some embodiments, the network device may further include a processing module.

[0263] In some embodiments, the first information includes the first power margin.

[0264] In some embodiments, the first information includes the first power margin and the second power margin, wherein the second power margin is the power margin corresponding to the first signal or any channel, and the first signal is a signal other than the sensing signal.

[0265] In some embodiments, the first information includes an offset value and a third power margin, wherein the offset value is an offset of the first power margin relative to the third power margin, and the third power margin is the power margin corresponding to the physical uplink data channel or the sounding reference signal (SRS).

[0266] In some embodiments, the first power margin is determined based on the maximum transmission power of the terminal transmitting the sensing signal and the actual transmission power of the terminal transmitting the sensing signal.

[0267] In some embodiments, the maximum transmission power of the sensed signal has a corresponding relationship with the waveform, wherein the corresponding relationship is as follows: when the waveform is a Discrete Fourier Transform Extended Orthogonal Frequency Division Multiplexing (DFT-S-OFDM) waveform, the maximum transmission power is a first maximum transmission power; when the waveform is an Orthogonal Time-Frequency Space (OTFS) waveform, the maximum transmission power is a second maximum transmission power; and when the waveform is a Cyclic Prefix Orthogonal Frequency Division Multiplexing (CP-OFDM) waveform, the maximum transmission power is a third maximum transmission power.

[0268] In some embodiments, the first maximum transmit power, the second maximum transmit power, and the third maximum transmit power are indicated by higher-layer signaling.

[0269] In some embodiments, the maximum transmission power of the sensing signal corresponds to the waveform, and the waveform is the waveform used by the terminal to transmit the sensing signal.

[0270] In some embodiments, the maximum transmission power of the sensing signal corresponds to the waveform, which is a waveform pre-configured or dynamically configured by the network device.

[0271] In some embodiments, the maximum transmission power of the sensing signal corresponds to the waveform, which is the waveform used in the previous transmission before the terminal transmits the sensing reference signal.

[0272] In some embodiments, the sensing signal is transmitted based on multiple beams, and the first power margin is determined based on the sum of the transmission power corresponding to each of the beams.

[0273] In some embodiments, the first information is carried in a Media Access Control (MAC) control element (CE) or physical layer control signaling.

[0274] Figure 6A is a schematic diagram of the structure of the communication device 6100 proposed in an embodiment of this disclosure. The communication device 6100 can be a network device (e.g., access network device, core network device, etc.), a terminal (e.g., user equipment, etc.), a chip, chip system, or processor that supports the network device in implementing any of the above methods, or a chip, chip system, or processor that supports the terminal in implementing any of the above methods. The communication device 6100 can be used to implement the methods described in the above method embodiments; for details, please refer to the descriptions in the above method embodiments.

[0275] As shown in Figure 6A, the communication device 6100 includes one or more processors 6101. The processor 6101 can be a general-purpose processor or a dedicated processor, such as a baseband processor or a central processing unit (CPU). The baseband processor can be used to process communication protocols and communication data, while the CPU can be used to control communication devices (e.g., base stations, baseband chips, terminal devices, terminal device chips, DUs or CUs, etc.), execute programs, and process program data. Optionally, the communication device 6100 can be used to execute any of the above methods. Optionally, one or more processors 6101 can be used to invoke instructions to cause the communication device 6100 to execute any of the above methods.

[0276] In some embodiments, the communication device 6100 further includes one or more transceivers 6102. When the communication device 6100 includes one or more transceivers 6102, the transceiver 6102 performs at least one of the communication steps such as sending and / or receiving in the above method (e.g., step S2101, but not limited thereto), and the processor 6101 performs at least one of the other steps. In optional embodiments, the transceiver may include a receiver and / or a transmitter, which may be separate or integrated together. Optionally, the terms transceiver, transceiver unit, transceiver, transceiver circuit, interface circuit, interface, etc., can be used interchangeably; the terms transmitter, sending unit, transmitter, sending circuit, etc., can be used interchangeably; and the terms receiver, receiving unit, receiver, receiving circuit, etc., can be used interchangeably.

[0277] In some embodiments, the communication device 6100 further includes one or more memories 6103 for storing data. Optionally, all or part of the memories 6103 may be located outside the communication device 6100. In optional embodiments, the communication device 6100 may include one or more interface circuits 6104. Optionally, the interface circuits 6104 are connected to the memories 6103 and can be used to receive data from the memories 6103 or other devices, and to send data to the memories 6103 or other devices. For example, the interface circuits 6104 can read data stored in the memories 6103 and send that data to the processor 6101.

[0278] The communication device 6100 described in the above embodiments may be a network device or a terminal, but the scope of the communication device 6100 described in this disclosure is not limited thereto, and the structure of the communication device 6100 may not be limited by FIG. 6A. The communication device may be a standalone device or a part of a larger device. For example, the communication device may be: (1) a standalone integrated circuit IC, or chip, or chip system or subsystem; (2) a collection of one or more ICs, optionally, the IC collection may also include storage components for storing data and programs; (3) an ASIC, such as a modem; (4) a module that can be embedded in other devices; (5) a receiver, terminal device, smart terminal device, cellular phone, wireless device, handheld device, mobile unit, vehicle device, network device, cloud device, artificial intelligence device, etc.; (6) others, etc.

[0279] Figure 6B is a schematic diagram of the structure of chip 6200 according to an embodiment of this disclosure. For cases where the communication device 6100 can be a chip or a chip system, please refer to the schematic diagram of chip 6200 shown in Figure 6B, but it is not limited thereto.

[0280] Chip 6200 includes one or more processors 6201. Chip 6200 is used to perform any of the methods described above.

[0281] In some embodiments, chip 6200 further includes one or more interface circuits 6202. Optionally, terms such as interface circuit, interface, and transceiver pin can be used interchangeably. In some embodiments, chip 6200 further includes one or more memories 6203 for storing data. Optionally, all or part of the memories 6203 may be located outside chip 6200. Optionally, interface circuit 6202 is connected to memory 6203, and interface circuit 6202 can be used to receive data from memory 6203 or other devices, and interface circuit 6202 can be used to send data to memory 6203 or other devices. For example, interface circuit 6202 can read data stored in memory 6203 and send the data to processor 6201.

[0282] In some embodiments, the interface circuit 6202 performs at least one of the communication steps such as sending and / or receiving in the above-described method (e.g., step S2101, but not limited thereto). For example, the interface circuit 6202 performing the communication steps such as sending and / or receiving in the above-described method means that the interface circuit 6202 performs data interaction between the processor 6201, the chip 6200, the memory 6203, or the transceiver device. In some embodiments, the processor 6201 performs at least one of the other steps.

[0283] The modules and / or devices described in the various embodiments, such as virtual devices, physical devices, and chips, can be combined or separated arbitrarily as needed. Optionally, some or all steps can also be performed collaboratively by multiple modules and / or devices, which is not limited here.

[0284] This disclosure also proposes a storage medium storing instructions that, when executed on the communication device 6100, cause the communication device 6100 to perform any of the above methods. Optionally, the storage medium is an electronic storage medium. Optionally, the storage medium is a computer-readable storage medium, but not limited thereto; it may also be a storage medium readable by other devices. Optionally, the storage medium may be a non-transitory storage medium, but not limited thereto; it may also be a temporary storage medium.

[0285] This disclosure also provides a program product that, when executed by the communication device 6100, causes the communication device 6100 to perform any of the above methods. Optionally, the program product is a computer program product.

[0286] This disclosure also proposes a computer program that, when run on a computer, causes the computer to perform any of the above methods.

Claims

A communication method characterized by comprising: The method, executed by a terminal, includes: Send first information to the network device, the first information being used to determine a first power margin, the first power margin being the power margin of the sensing signal. The method of claim 1, wherein The first information includes the first power margin. The method of claim 1, wherein The first information includes the first power margin and the second power margin, wherein the second power margin is the power margin corresponding to the first signal or any channel, and the first signal is a signal other than the sensing signal. The method of claim 1, wherein The first information includes an offset value and a third power margin. The offset value is the offset of the first power margin relative to the third power margin. The third power margin is the power margin corresponding to the physical uplink data channel or the sounding reference signal (SRS). The method according to any one of claims 1 to 4, characterized in that The first power margin is determined based on the maximum transmission power of the terminal transmitting the sensing signal and the actual transmission power of the terminal transmitting the sensing signal. The method according to claim 5, characterized in that The maximum transmission power of the sensed signal has a corresponding relationship with its waveform, and the corresponding relationship is as follows: When the waveform is a Discrete Fourier Transform Extended Orthogonal Frequency Division Multiplexing (DFT-S-OFDM) waveform, the maximum transmission power is the first maximum transmission power; When the waveform is an orthogonal time-frequency space OTFS waveform, the maximum transmission power is the second maximum transmission power; The waveform is a cyclic prefix orthogonal frequency division multiplexing (CP-OFDM) waveform, and the maximum transmit power is the third maximum transmit power. The method according to claim 5 or 6, characterized in that The maximum transmission power of the sensing signal corresponds to the waveform, which is the waveform used by the terminal to transmit the sensing signal. The method according to claim 5 or 6, characterized in that The maximum transmission power of the sensing signal corresponds to the waveform, which is the waveform used in the previous transmission before the terminal transmits the sensing reference signal. The method of claim 1, wherein The sensing signal is transmitted based on multiple beams, and the first power margin is determined based on the sum of the transmission power corresponding to each of the beams. A communication method characterized by comprising: Performed by a network device, the method includes: The receiving terminal sends first information, which is used to determine a first power margin, which is the power margin of the sensing signal. The method of claim 10, wherein The first information includes the first power margin. The method of claim 10, wherein The first information includes the first power margin and the second power margin, wherein the second power margin is the power margin corresponding to the first signal or any channel, and the first signal is a signal other than the sensing signal. The method of claim 10, wherein The first information includes an offset value and a third power margin. The offset value is the offset of the first power margin relative to the third power margin. The third power margin is the power margin corresponding to the physical uplink data channel or the sounding reference signal (SRS). The method according to any one of claims 10 to 13, characterized in that The first power margin is determined based on the maximum transmission power of the terminal transmitting the sensing signal and the actual transmission power of the terminal transmitting the sensing signal. The method of claim 14, wherein The maximum transmission power of the sensed signal has a corresponding relationship with its waveform, and the corresponding relationship is as follows: When the waveform is a Discrete Fourier Transform Extended Orthogonal Frequency Division Multiplexing (DFT-S-OFDM) waveform, the maximum transmission power is the first maximum transmission power; The maximum transmission power is a second maximum transmission power when the waveform is an orthogonal time frequency space (OTFS) waveform. The maximum transmission power is a third maximum transmission power when the waveform is a cyclic prefix orthogonal frequency division multiplexing (CP-OFDM) waveform. The method according to claim 14 or 15, characterized in that The maximum transmission power of the sensing signal has a corresponding relationship with a waveform, and the waveform is a waveform used by the terminal to transmit the sensing signal. The method according to claim 14 or 15, characterized in that The maximum transmission power of the sensing signal has a corresponding relationship with a waveform, and the waveform is a waveform used by the terminal to transmit the sensing signal. The method of claim 10, wherein The sensing signal is transmitted based on multiple beams, and the first power margin is determined based on a sum of transmission powers corresponding to each of the beams. A communication device characterized by comprising: The communication device is configured to perform the communication method of any one of claims 1 to 9 or perform the communication method of any one of claims 10 to 18. A storage medium storing instructions, the instructions comprising: The instructions, when executed on the communication device, cause the communication device to perform the communication method of any one of claims 1 to 9 or perform the communication method of any one of claims 10 to 18. A program product, characterized in that The instructions, when executed on the communication device, cause the communication device to perform the communication method of any one of claims 1 to 9 or perform the communication method of any one of claims 10 to 18.

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