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WO2025000132A1 - Procédé et appareil de commande de puissance, dispositif et support de stockage - Google Patents

Procédé et appareil de commande de puissance, dispositif et support de stockage Download PDF

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Publication number
WO2025000132A1
WO2025000132A1 PCT/CN2023/102140 CN2023102140W WO2025000132A1 WO 2025000132 A1 WO2025000132 A1 WO 2025000132A1 CN 2023102140 W CN2023102140 W CN 2023102140W WO 2025000132 A1 WO2025000132 A1 WO 2025000132A1
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WO
WIPO (PCT)
Prior art keywords
signal
power
target
sensing
perception
Prior art date
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PCT/CN2023/102140
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English (en)
Chinese (zh)
Inventor
李明菊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Xiaomi Mobile Software Co Ltd
Original Assignee
Beijing Xiaomi Mobile Software Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Beijing Xiaomi Mobile Software Co Ltd filed Critical Beijing Xiaomi Mobile Software Co Ltd
Priority to CN202380009800.7A priority Critical patent/CN119586236A/zh
Priority to PCT/CN2023/102140 priority patent/WO2025000132A1/fr
Publication of WO2025000132A1 publication Critical patent/WO2025000132A1/fr
Anticipated expiration legal-status Critical
Pending legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/06—TPC algorithms
    • H04W52/14—Separate analysis of uplink or downlink

Definitions

  • the present disclosure relates to the field of communication technology, and in particular to a power control method, apparatus, device and storage medium.
  • the main application scenarios of communication sensing technology involve sensing nodes and sensing targets.
  • the sensing target can be an object that needs to be sensed, such as vehicles, buildings, drones, rainfall and other objects.
  • the sensing node can be a node that needs to sense the sensing target by sending and/or receiving sensing signals.
  • it can be a base station, user equipment, vehicle-mounted equipment, etc.
  • the sensing node wants to sense the location of the sensing target from itself and other information.
  • sensing node When a sensing node sends a sensing signal, sending the sensing signal based on the same power may result in the signal not being received in some cases, resulting in the problem of being unable to accurately perceive the target.
  • the embodiments of the present disclosure provide a power control method, apparatus, device and storage medium.
  • a power control method is proposed, which is executed by a first device, and the method includes: determining a first power used to send a first signal, wherein the first signal is used to sense a perception target; when it is detected that a first condition is met, adjusting the first power to obtain a second power; and sending a second signal based on the second power, wherein the second signal is used to sense the perception target.
  • a power control device comprising: a processing module, used to determine a first power used to send a first signal, wherein the first signal is used to sense a sensing target; the processing module is also used to, when detecting that a first condition is met, adjust the first power to obtain a second power; and a transceiver module, used to send a second signal based on the second power.
  • a power control device includes: a transceiver, a memory, and one or more processors coupled to the memory, wherein the memory stores computer executable instructions, and when the one or more processors execute the instructions, the power control device implements the power control method as described in the first aspect and any one of the embodiments related to the first aspect. .
  • a computer-readable storage medium in which instructions are stored.
  • the communication device executes the power control method related to the first aspect and any one of the embodiments of the first aspect.
  • the embodiments of the present disclosure improve the perception accuracy of the perception target by adjusting the power used by the perception node when sending the perception signal.
  • FIG1 is a schematic diagram of a communication system architecture according to an embodiment of the present disclosure.
  • FIG2 is an interactive schematic diagram of a power control method according to an embodiment of the present disclosure
  • FIG3a is a flow chart of a power control method according to an exemplary embodiment
  • FIG3b is a flow chart of another power control method according to an exemplary embodiment
  • FIG3c is a flow chart of another power control method according to an exemplary embodiment
  • FIG3d is a flow chart of yet another power control method according to an exemplary embodiment
  • FIG4 is a schematic diagram of a power control device according to an exemplary embodiment
  • Fig. 5a is a schematic diagram of a communication device according to an exemplary embodiment
  • Fig. 5b is a schematic diagram of a chip according to an exemplary embodiment.
  • the embodiments of the present disclosure provide a power control method, device, equipment and storage medium.
  • the terms power control method, information processing method, communication method, etc. can be replaced with each other
  • the terms power control device, information processing device, communication device, etc. can be replaced with each other
  • the terms information processing system, communication system, etc. can be replaced with each other.
  • each step in an embodiment can be implemented as an independent embodiment, and the steps can be combined arbitrarily.
  • a solution after removing some steps in an embodiment can also be implemented as an independent embodiment, and the order of the steps in an embodiment can be arbitrarily exchanged.
  • the optional implementation methods in an embodiment can be combined arbitrarily.
  • the embodiments may be combined arbitrarily.
  • some or all of the steps of different embodiments may be combined arbitrarily.
  • An embodiment may be combined arbitrarily with optional implementations of other embodiments.
  • elements expressed in the singular form such as “a”, “an”, “the”, “above”, “said”, “aforementioned”, “this”, etc., may mean “one and only one", or “one or more”, “at least one”, etc.
  • the noun after the article may be understood as a singular expression or a plural expression.
  • plurality refers to two or more.
  • the terms "at least one of”, “one or more”, “a plurality of”, “multiple”, etc. can be used interchangeably.
  • "at least one of A and B", “A and/or B", “A in one case, B in another case”, “in response to one case A, in response to another case B”, etc. may include the following technical solutions according to the situation: in some embodiments, A (A is executed independently of B); in some embodiments, B (B is executed independently 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). When there are more branches such as A, B, C, etc., the above is also similar.
  • the recording method of "A or B” may include the following technical solutions according to the situation: in some embodiments, A (A is executed independently of B); in some embodiments, B (B is executed independently of A); in some embodiments, execution is selected from A and B (A and B are selectively executed).
  • A A is executed independently of B
  • B B is executed independently of A
  • execution is selected from A and B (A and B are selectively executed).
  • prefixes such as “first” and “second” in the embodiments of the present disclosure are only used to distinguish different description objects, and do not constitute restrictions on the position, order, priority, quantity or content of the description objects.
  • the statement of the description object refers to the description in the context of the claims or embodiments, and should not constitute unnecessary restrictions due to the use of prefixes.
  • the description object is a "field”
  • the ordinal number before the "field” in the "first field” and the "second field” does not limit the position or order between the "fields”
  • the "first” and “second” do not limit whether the "fields” they modify are in the same message, nor do they limit the order of the "first field” and the "second field”.
  • the description object is a "level”
  • the ordinal number before the "level” in the “first level” and the “second level” does not limit the priority between the "levels”.
  • the number of description objects is not limited by the ordinal number, and can be one or more. Taking the "first device” as an example, the number of "devices” can be one or more.
  • the objects modified by different prefixes may be the same or different. For example, if the description object is "device”, then the “first device” and the “second device” may be the same device or different devices, and their types may be the same or different. For another example, if the description object is "information”, then the "first information” and the “second information” may be the same information or different information, and their contents may be the same or different.
  • “including A”, “comprising A”, “used to indicate A”, and “carrying A” can be interpreted as directly carrying A or indirectly indicating A.
  • terms such as “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 replaced with each other, and terms such as “less than”, “less than or equal to”, “not greater than”, “less than”, “less than or equal to”, “no more than”, “lower than”, “lower than or equal to”, “not higher than”, and “below” can be replaced with each other.
  • devices and equipment may be interpreted as physical or virtual, and their names are not limited to the names recorded in the embodiments. In some cases, they may also be understood as “equipment”, “device”, “circuit”, “network element”, “node”, “function”, “unit”, “section”, “system”, “network”, “chip”, “chip system”, “entity”, “subject”, etc.
  • network can be interpreted as devices included in the network, such as access network equipment, core network equipment, etc.
  • access network device may also be referred to as “radio access network device (RAN device)", “base station (BS)”, “radio base station (radio base station)”, “fixed station (fixed station)”, and in some embodiments may also be understood as “node (node)", “access point (access point)", “transmission point (transmission point, TP)", “reception point (reception point, RP)", “transmission and/or reception point (transmission/reception point, TRP)", “panel (panel)", “antenna panel (antenna panel)", “antenna array (antenna array)", “cell (cell)", “macro cell (macro cell)", “small cell (small cell)”, “femto cell (femto cell)", “pico cell (pico cell)", “sector (sector)", “Cell group”, “serving cell”, “carrier”, “component carrier”, “bandwidth part (BWP
  • terminal or “terminal device” may be referred to as "user equipment (UE)", “user terminal (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, client, etc.
  • UE user equipment
  • MS mobile station
  • MT mobile terminal
  • acquisition of data, information, etc. may comply with the laws and regulations of the country where the data is obtained.
  • data, information, etc. may be obtained with the user's consent.
  • each element, each row, or each column in the table of the embodiments of the present disclosure may be implemented as an independent embodiment, and the combination of any elements, any rows, and any columns may also be implemented as an independent embodiment.
  • FIG1 is a schematic diagram of a communication system architecture according to an embodiment of the present disclosure.
  • the communication system 100 includes a terminal 101, an access network device 102, and a core network device 103.
  • the terminal 101 includes, for example, a mobile phone, a wearable device, an Internet of Things device, a car with communication function, a smart car, a tablet computer (Pad), a computer with wireless transceiver function, a virtual reality (VR) terminal device, an augmented reality (AR) terminal device, a wireless terminal device in industrial control, a wireless terminal device in self-driving, a wireless terminal device in remote medical surgery, a wireless terminal device in a smart grid, a wireless terminal device in transportation safety, a wireless terminal device in a smart city, and at least one of a wireless terminal device in a smart home, but is not limited to these.
  • a mobile phone a wearable device, an Internet of Things device, a car with communication function, a smart car, a tablet computer (Pad), a computer with wireless transceiver function, a virtual reality (VR) terminal device, an augmented reality (AR) terminal device, a wireless terminal device in industrial control, a wireless terminal device in self-driving, a wireless terminal device
  • the access network device 102 is, for example, a node or device that accesses a terminal to a wireless network.
  • the access network device may include an evolved Node B (eNB), a next generation evolved Node B (ng-eNB), a next generation Node B (gNB), a node B (NB), a home node B (HNB), a home evolved node B (HeNB), a wireless backhaul device, a radio network controller (RNC), a base station controller (BSC), a base transceiver station (BTS), a base band unit (BBU), a mobile switching center, a base station in a 6G communication system, an open base station (Open RAN), a cloud base station (Cloud RAN), a base station in other communication systems, and at least one of an access node in a Wi-Fi system, but is not limited thereto.
  • eNB evolved Node B
  • ng-eNB next generation evolved Node B
  • gNB next generation Node B
  • the technical solution of the present disclosure may be applicable to the Open RAN architecture.
  • the interfaces between access network devices or within access network devices involved in the embodiments of the present disclosure may become internal interfaces of Open RAN, and the processes and information interactions between these internal interfaces may be implemented through software or programs.
  • the access network device may be composed of a centralized unit (central unit, CU) and a distributed unit (distributed unit, DU), wherein the CU may also be called a control unit (control unit).
  • the CU-DU structure may be used to split the protocol layer of the access network device, with some functions of the protocol layer being centrally controlled by the CU, and the remaining part or all of the functions of the protocol layer being distributed in the DU, and the DU being centrally controlled by the CU, but not limited to this.
  • the core network device 103 may be a device including a first network element 1031, a second network element, etc., or may be a plurality of devices or a group of devices, including all or part of the first network element 1031, the second network element, etc.
  • a network element may be a virtual functional module or a physical device or equipment.
  • 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).
  • EPC Evolved Packet Core
  • 5GCN 5G Core Network
  • NGC Next Generation Core
  • the first network element 1031 is, for example, a perception function entity.
  • the first network element 1031 is used to configure the sensing signal resource, receive the sensing signal measurement report and/or determine the sensing target position, etc., and the name is not limited thereto.
  • the first network element 1031 configures the signal for sensing the sensing target, such as configuring the time domain resource, frequency domain resource, beam, etc. of the signal.
  • the second network element is, for example, a perception function entity.
  • the second network element is used to configure the sensing signal resource, receive the sensing signal measurement report and/or determine the sensing target location, etc., and the name is not limited thereto.
  • the second network element configures a signal for sensing the sensing target. Time domain resources, frequency domain resources, beams, etc.
  • the second network element may be independent of the core network device 103 .
  • the second network element may be a part of the core network device 103 .
  • the communication system described in the embodiment of the present disclosure is for the purpose of more clearly illustrating the technical solution of the embodiment of the present disclosure, and does not constitute a limitation on the technical solution proposed in the embodiment of the present disclosure.
  • a person of ordinary skill in the art can know that with the evolution of the system architecture and the emergence of new business scenarios, the technical solution proposed in the embodiment of the present disclosure is also applicable to similar technical problems.
  • the following embodiments of the present disclosure may be applied to the communication system 100 shown in FIG1 , or part of the subject, but are not limited thereto.
  • the subjects shown in FIG1 are examples, and the communication system may include all or part of the subjects in FIG1 , or may include other subjects other than FIG1 , and the number and form of the subjects are arbitrary, and the subjects may be physical or virtual, and the connection relationship between the subjects is an example, and the subjects may be connected or disconnected, and the connection may be in any manner, and may be a direct connection or an indirect connection, and may be a wired connection or a wireless connection.
  • LTE Long Term Evolution
  • LTE-A LTE-Advanced
  • LTE-B LTE-Beyond
  • SUPER 3G IMT-Advanced
  • 4G the fourth generation mobile communication system
  • 5G 5G new radio
  • FAA Future Radio Access
  • RAT New Radio
  • NR New Radio
  • NX New radio access
  • the present invention relates to wireless communication systems such as LTE, Wi-Fi (X), Global System for Mobile communications (GSM (registered trademark)), CDMA2000, Ultra Mobile Broadband (UMB), IEEE 802.11 (Wi-Fi (registered trademark)), IEEE 802.16 (WiMAX (registered trademark)), IEEE 802.20, Ultra-WideBand (UWB), Bluetooth (registered trademark), Public Land Mobile Network (PLMN) network, Device to Device (D2D) system, Machine to Machine (M2M) system, Internet of Things (IoT) system, Vehicle to Everything (V2X), systems using other communication methods, and next-generation systems expanded based on them.
  • PLMN Public Land Mobile Network
  • D2D Device to Device
  • M2M Machine to Machine
  • IoT Internet of Things
  • V2X Vehicle to Everything
  • systems using other communication methods and next-generation systems expanded based on them.
  • next-generation systems expanded based on them.
  • a combination of multiple systems for example, a combination of
  • the communication sensing technology involves sensing nodes and sensing targets in its main scenarios.
  • the sensing target may be an object that needs to be sensed, such as a vehicle, a building, a drone, rainfall, and other objects.
  • the sensing node may be a node that needs to sense the sensing target by sending a sensing signal and/or receiving a sensing signal.
  • it may be a base station, a user device, a vehicle-mounted device, and the like.
  • the sensing node wants to sense information such as the position of the sensing target from itself, such as distance, angle, moving speed, and the like.
  • the sensing modes for sensing the sensing target may include the following 6 modes. In different modes, the corresponding sensing nodes are also different.
  • the sensing nodes are between access network devices, including sensing mode 1 and sensing mode 2.
  • perception mode 1 is that the access network equipment performs self-transmission and self-reception.
  • the gNB sends a sensing signal, the sensing signal is reflected after reaching the sensing target, and the gNB also receives the reflected sensing signal.
  • Sensing mode 2 is the transmission of sensing signals between different access network devices, for example, gNB A sends a sensing signal and gNB B receives the sensing signal. For example, gNB A sends a sensing signal, the sensing signal is reflected after reaching the sensing target, and then gNB B receives the reflected sensing signal.
  • the sensing nodes are between terminals, including sensing mode 3 and sensing mode 4.
  • the perception mode 3 is that the terminal performs self-transmission and self-reception.
  • the UE sends a perception signal
  • the perception signal is reflected after reaching the perception target
  • the UE also receives the reflected perception signal.
  • Perception mode 4 is the transmission of perception signals between different terminals, for example, UE A sends a perception signal and UE B receives the perception signal. For example, UE A sends a perception signal, the perception signal is reflected after reaching the perception target, and then UE B receives the reflected perception signal.
  • the perception node is between the access network device and the terminal, including perception mode 5 and perception mode 6.
  • perception mode 5 is that the UE sends a perception signal and the gNB receives the perception signal. For example, the UE sends a perception signal, the perception signal is reflected after reaching the perception target, and then the gNB receives the reflected perception signal.
  • Sensing mode 6 is that the gNB sends a sensing signal and the UE receives the sensing signal. For example, the gNB sends a sensing signal and the UE receives the sensing signal. For example, the gNB sends a sensing signal, the sensing signal is reflected after reaching the sensing target, and then the UE receives the reflected sensing signal.
  • the sensing node used to send the sensing signal can be called a first node, or a sensing sending node, a sensing signal sending node, etc.
  • the sensing node used to receive the sensing signal can be called a second node, or a sensing receiving node, a sensing signal receiving node, etc.
  • the present disclosure does not limit the names of the above nodes.
  • FIG2 is an interactive schematic diagram of a power control method according to an embodiment of the present disclosure. As shown in FIG2 , the present disclosure embodiment relates to a power control method for a communication system 100, and the method includes:
  • Step S2101 The second device sends third information to the first device.
  • the second device sends third information to the first device.
  • the first device receives third information sent by the second device.
  • the third information is used to configure the transmission power of the first signal, such as the first power.
  • the third information is used to configure an initial transmission power of the first signal, such as a first power.
  • the third information is used to indicate the transmission power of the first signal, such as the first power.
  • the third information is used to indicate an initial transmission power of the first signal, such as a first power.
  • the name of the third information is not limited, and it may be, for example, “configuration information”, “power configuration information”, “initial power configuration information”, “perception signal sending power”, “perception signal initial sending power”, “communication signal sending power”, “communication signal initial sending power”, etc.
  • the first device may be terminal 101 .
  • the first device may be the access network device 102 .
  • the first device may be any one or any combination of multiple of the terminal 101 , the access network device 102 , and the core network device 103 .
  • the second device may be terminal 101 .
  • the second device may be the access network device 102 .
  • the second device may be any one or any combination of multiple of the terminal 101 , the access network device 102 , and the core network device 103 .
  • the first device is a terminal 101
  • the second device may be a first network element.
  • the first network element may be a core network device 103, or the first network element is a network element for implementing a perception function.
  • the first network element is a perception function entity.
  • the core network device 103 may include a perception function entity.
  • the first network element may forward the third information to the terminal through the access network device 102.
  • the first network element may also directly send the third information to the terminal 101 through an interface or protocol between the first network element and the terminal.
  • the first device is the terminal 101
  • the second device may be the access network device 102.
  • the access network device 102 may send the third information to the terminal 101 through an interface or protocol between the access network device and the terminal.
  • the first device is a terminal
  • the second device may be a terminal different from the first device. Assume that the first device is terminal 1, and the second device is terminal 2.
  • Terminal 1 may receive third information sent by terminal 2 via a sidelink (SL).
  • SL sidelink
  • information can be sent through the SL.
  • the information may include but is not limited to third information.
  • the third information sent between the first device and the second device can be carried by at least one of the radio resource control (RRC) signaling of the SL, the MAC CE of the SL, and the DCI of the SL.
  • RRC radio resource control
  • the third information sent between the first device and the second device can be configured through the physical sidelink shared channel (PSSCH) and/or the physical sidelink control channel (PSCCH) of the SL.
  • PSSCH physical sidelink shared channel
  • PSCCH physical sidelink control channel
  • the first device is an access network device 102
  • the second device may be a first network element.
  • the first network element may be a core network device 103, or the first network element is a network element for implementing a perception function.
  • the first network element is a perception function entity.
  • the core network device 103 may include a perception function entity.
  • the first network element sends the third information to the access network device 102 through an interface or a protocol between the first network element and the access network device.
  • the first network element mentioned in each embodiment of the present disclosure may be a core network device, or the first network element is a network element that implements the perception function.
  • the first network element is a perception function entity.
  • the core network device may include a perception function entity.
  • the first device and the second device are different access network devices.
  • the first device is the first access network device and the second device is the second access network device.
  • the second access network device can send the third information to the first access network device through an interface or protocol between different access network devices.
  • the first device and the second device are the same access network device, and the first device can determine the third information based on pre-configured information without sending or receiving the third information.
  • the second device may generate third information based on pre-configured information and send the third information to the first device. Three information.
  • the first device is terminal 101, and the second device sends the third information to the first device, which can be considered as downlink (DL) communication.
  • DL downlink
  • the third information is configured through radio resource control (RRC).
  • RRC radio resource control
  • the third information is configured through a medium access control element (MAC CE).
  • MAC CE medium access control element
  • the third information is configured through downlink control information (DCI).
  • DCI downlink control information
  • the third information is configured through at least one of RRC, MAC CE and DCI.
  • downlink In some embodiments, the terms “downlink”, “downlink”, “physical downlink”, etc. can be used interchangeably.
  • DCI Downlink (UL) grant
  • UL DCI uplink (UL) grant
  • PDSCH physical downlink shared channel
  • DL data DL data
  • the third information may include a parameter for indicating the transmission power, and the parameter directly indicates the first power.
  • the third information may include a path loss reference signal (RS).
  • RS path loss reference signal
  • the path loss reference signal may also be referred to as a path loss reference signal, etc., and the present disclosure does not limit the name of the reference signal.
  • the pathloss RS is indicated by the third information, so that the first device can receive and measure the pathloss RS according to the pathloss RS indicated by the third information, and determine the transmission power of the first signal sent by the first device according to the reference signal receiving power (RSRP) obtained by measuring the pathloss RS by the first device.
  • RSRP reference signal receiving power
  • the third information may include at least one of the following: a first power; and a path loss reference signal.
  • the names of information, etc. are not limited to the names recorded in the embodiments, and terms such as “information”, “message”, “signal”, “signaling”, “report”, “configuration”, “indication”, “instruction”, “command”, “channel”, “parameter”, “domain”, “field”, “codepoint”, “bit”, and “data” can be used interchangeably.
  • codebook can be a collection of one or more codewords/precoding matrices.
  • obtain can be interchangeable, and can be interpreted as receiving from other entities, obtaining from protocols, obtaining from high levels, obtaining by self-processing, autonomous implementation, etc.
  • radio wireless
  • RAN radio access network
  • AN access network
  • RAN-based and the like
  • Step S2102 The first device sends a first signal at a first power.
  • the first device may determine the first power according to the received third information, and the first device may send the first signal according to the first power.
  • the first device determines the first power according to the third information sent by the second device.
  • the third information sent by the second device For specific implementations, reference may be made to the description of the corresponding embodiments in step S2101, which will not be described in detail in this disclosure.
  • the first device may also receive third information sent by a third device to determine the first power.
  • the first device receives the third information sent by the second device through a sidelink (SL), wherein the first device and the third device are different terminals.
  • SL sidelink
  • the third device may be any one or any combination of multiple of the terminal 101 , the access network device 102 , and the core network device 103 .
  • the first device may receive third information sent by the access network device to determine the first power.
  • the third information is generated by the access network device.
  • the first device may receive the third information sent by the first network element to determine the first power.
  • the third information is generated by the first network element and sent by the first network element to the access network device.
  • the access network device forwards the third information sent by the first network element to the first device, and the first device receives the third information forwarded by the access network device.
  • the first network element may also send the third information directly to the terminal through the interface or protocol between the first network element and the terminal.
  • the first network element may be a core network device, or the first network element is a device for implementing A network element that performs a perception function.
  • the first network element is a perception function entity.
  • the core network device may include a perception function entity.
  • the first device receives third information sent by the perception function entity.
  • the first device may also determine the transmission power when the perception signal was sent last time, for example, the first device records the transmission power when the perception signal was sent at least once. The first device uses the transmission power when the perception signal was sent most recently as the first power. So that the first device sends the first signal according to the first power. It can be understood that in this embodiment, the first device may not receive the third information sent by other devices. Or, the first device does not expect to receive the third information sent by other devices.
  • the first signal, second signal, third signal, fourth signal, etc. involved can all be considered as signals used to sense the sensing target.
  • different signals use different transmission powers when they are sent, or some signals are signals used to sense the sensing target after being reflected by the sensing target.
  • new names can be used to represent them, such as the fifth signal, the sixth signal, etc., which are not limited in the present disclosure.
  • the first device may determine the first power based on a third rule.
  • the first power is a default value in the third rule.
  • the third rule may be called a third preset rule, a third specific rule, a third designated rule, etc.
  • the present disclosure does not limit the name of the third rule.
  • the third rule may be pre-defined.
  • the first device may determine the first power in at least one of the following ways: determining the first power based on third information; determining the first power based on a third rule.
  • the first device may obtain the third information in at least one of the following ways: receiving the third information sent by the access network device; receiving the third information sent by the first network element; receiving the third information sent by a third device (e.g., a terminal).
  • the third information sent by the first network element may be forwarded by the access network device, or directly sent to the first device.
  • the first network element may be a core network device, or the first network element may be a network element that implements a perception function, where the core network device includes a perception function entity.
  • the first network element when the first device is a terminal, the first network element may forward the information to the terminal through the access network device, or the first network element may directly send the information to the terminal through the interface or protocol between the first network element and the terminal, which is not limited in the present disclosure.
  • the first network element may be a core network device, or the first network element is a network element for implementing a perception function.
  • the first network element is a perception function entity.
  • the core network device may include a perception function entity.
  • the first signal sent by the first device may be used to sense a sensing target, wherein the sensing target may be considered as a target that needs to be sensed.
  • the sensing target may be a building, a moving object, the external environment, etc.
  • the external environment may include temperature, humidity, whether it is raining, etc.
  • the first signal after the first signal is sent by the first device and reaches the sensing target, the first signal can be reflected by the sensing target.
  • the first signal after being reflected by the sensing target can be called a third signal.
  • the first device receives the third signal after being reflected.
  • the first device can measure the third signal after being reflected to achieve perception of the sensing target, such as positioning.
  • the names of the first signal and/or the third signal and/or the second signal and/or the fourth signal are not limited, and may be, for example, “perception information”, “perception signal”, “sensory information”, “sensory signal”, etc.
  • the sensing signal may be a positioning reference signal (PRS).
  • PRS positioning reference signal
  • the perception signal may be a PRS sent and/or received between different access network devices.
  • the perception signal may be a PRS sent and/or received between the access network device and the terminal.
  • the sensing signal may be a sidelink positioning reference signal (SL-PRS).
  • S-PRS sidelink positioning reference signal
  • the sensing signal may be a SL-PRS sent and/or received between different terminals.
  • the perception signal may be a sounding reference signal (SRS).
  • SRS sounding reference signal
  • the sensing signal may be an SRS sent and/or received between different access network devices.
  • the perception signal may be an SRS sent and/or received between the access network device and the terminal.
  • the perception signal may be a SL-SRS.
  • the sensing signal may be a SL-SRS sent and/or received between different terminals.
  • the sensing signal may be a reference signal for sensing.
  • a reference signal used for sensing may be referred to as a sensing reference signal. It is understandable that the sensing reference signal may be a newly defined reference signal used for sensing. The present disclosure does not limit the name of such reference signal.
  • the perception signal may include at least one of the following information: PRS; SRS; SL-PRS; SL-SRS; perception Reference signal.
  • the name of the first power is not limited, and it may be, for example, “initial transmit power”, “original transmit power”, “transmit power”, “first transmit power”, etc.
  • the first device sends the sensing signal at a first power.
  • the first device receives the sensing signal after being reflected by the sensing target.
  • the first device receives a third signal, which is a signal of the first signal after being reflected by the sensing target.
  • third signal can be replaced by “first signal”, and “receiving the third signal” can be replaced by “receiving the first signal”.
  • the third signal is the first signal.
  • the third signal can be considered as the first signal after reflection.
  • the third signal can be the first signal reflected by the sensing target; the third signal can also be the first signal reflected by the obstacle.
  • the fourth signal can be replaced by “the second signal”, and “receiving the fourth signal” can be replaced by “receiving the second signal”. That is, the fourth signal is the second signal.
  • the fourth signal can be considered as the second signal after reflection. Among them, the fourth signal can be the second signal reflected by the sensing target; the fourth signal can also be the second signal reflected by the obstacle.
  • the first device may be a sensing sending node or a sensing receiving node.
  • the sensing sending node is a node that sends the first signal and/or the second signal
  • the sensing receiving node is a node that receives the third signal and/or the fourth signal.
  • the sensing receiving node may also be a node that receives the first signal.
  • the perception sending node can also be called “perception signal sending node”, “sensing communication sending node”, “sensing communication signal sending node”, etc., and the present disclosure does not limit the name of the perception sending node.
  • the perception receiving node can also be called “perception signal receiving node”, “sensing communication receiving node”, “sensing communication signal receiving node”, etc., and the present disclosure does not limit the name of the perception receiving node.
  • the methods involved in various embodiments of the present disclosure may be applicable to: a first sensing mode.
  • the sensing sending node is the terminal 101
  • the sensing receiving node is the terminal 101. That is, the sensing sending node and the sensing receiving node are the same terminal.
  • the methods involved in various embodiments of the present disclosure may be applicable to: a second perception mode.
  • the perception sending node is the access network device 102
  • the perception receiving node is the access network device 102. That is, the perception sending node and the perception receiving node are the same access network device 102.
  • the first device of the present disclosure may be a perception sending node, or a perception receiving node.
  • the first device is a sensing sending node
  • the third device is a sensing receiving node
  • the first device is a sensing receiving node
  • the third device is a sensing sending node
  • the methods involved in various embodiments of the present disclosure may be applicable to: a third sensing mode.
  • the sensing sending node is a first terminal
  • the sensing receiving node is a second terminal.
  • the first terminal may be the terminal 101, and the second terminal may also be the terminal 101. That is, the sensing sending node and the sensing receiving node are different terminals.
  • the methods involved in various embodiments of the present disclosure may be applicable to: a fourth sensing mode in which the sensing sending node is the terminal 101 and the sensing receiving node is the access network device 102 .
  • the methods involved in various embodiments of the present disclosure may be applicable to: a fifth sensing mode in which the sensing sending node is the access network device 102 and the sensing receiving node is the terminal 101 .
  • the methods involved in various embodiments of the present disclosure may be applicable to: a sixth perception mode.
  • the perception sending node is a first access network device
  • the perception receiving node is a second access network device.
  • the first access network device may be the access network device 102, and the second access network device may also be the access network device 102. That is, the sensing sending node and the sensing receiving node are different access network devices.
  • the methods involved in each embodiment of the present disclosure may be applicable to at least one of the following perception modes: perceiving that the sending node is terminal 101 and perceiving that the receiving node is terminal 101; perceiving that the sending node is a first terminal and perceiving that the receiving node is a second terminal; perceiving that the sending node is terminal 101 and perceiving that the receiving node is access network device 102; perceiving that the sending node is access network device 102 and perceiving that the receiving node is terminal 101; perceiving that the sending node is access network device 102 and perceiving that the receiving node is access network device 102; perceiving that the sending node is a first access network device and perceiving the receiving node is a second access network device.
  • terminal 101 may be in an RRC connected state (connected).
  • terminal 101 may be in an RRC inactive state (yerive).
  • terminal 101 may be in an RRC idle state.
  • Step S2103 the first device receives the third signal.
  • the first device may receive a third signal after the first signal is reflected by the sensing target.
  • the first device may measure the third signal, such as measuring the signal strength and/or signal quality of the third signal, so as to determine whether to adjust the first power based on the measurement of the third signal.
  • step S2103 is an optional step. In other words, step S2103 may not be performed.
  • Step S2104 The second device sends the first information to the first device.
  • the second device sends the first information to the first device.
  • the first device receives first information sent by the second device.
  • the first information is used to configure a default time period, which is a time threshold for the first device to determine whether the third signal is successfully received.
  • the default time period is used by the first device to determine whether the third signal reflected by the sensing target is successfully received within the default time period.
  • the name of the first information is not limited, and it may be, for example, “configuration information”, “time period configuration information”, “time window configuration information”, “default time configuration information”, etc.
  • the first information may include a time slot, which may indicate that the first device determines whether the third signal reflected by the sensing target is successfully received within N time slots, where N is a positive integer.
  • the first information may include a symbol, which may indicate that the first device determines whether the third signal after being reflected by the sensing target is successfully received within M symbols, where M is a positive integer.
  • frame radio frame
  • subframe slot
  • sub-slot sub-slot
  • mini-slot mini-slot
  • sub-slot sub-slot
  • mini-slot mini-slot
  • terms such as “moment”, “time point”, “time”, and “time position” can be interchangeable, and terms such as “duration”, “period”, “time window”, “window”, and “time” can be interchangeable.
  • the first device is a terminal 101
  • the second device may be a first network element.
  • the first network element may be a core network device 103, or the first network element is a network element for implementing a perception function.
  • the first network element is a perception function entity.
  • the core network device 103 may include a perception function entity.
  • the first network element may forward the first information to the terminal 101 through the access network device 102.
  • the first network element may also directly send the first information to the terminal 101 through an interface or protocol between the first network element and the terminal.
  • the first device is the terminal 101
  • the second device may be the access network device 102.
  • the access network device 102 may send the first information to the terminal 101 through an interface or protocol between the access network device and the terminal.
  • the first device is a terminal
  • the second device may be a terminal different from the first device. Assume that the first device is terminal 1, and the second device is terminal 2.
  • Terminal 1 may receive first information sent by terminal 2 through SL.
  • the first device is an access network device 102
  • the second device may be a first network element.
  • the first network element may be a core network device 103, or the first network element is a network element for implementing a perception function.
  • the first network element is a perception function entity.
  • the core network device 103 may include a perception function entity.
  • the first network element sends the first information to the access network device 102 through an interface or a protocol between the first network element and the access network device.
  • the first device and the second device are different access network devices.
  • the first device is a first access network device and the second device is a second access network device.
  • the first access network device can send the first information to the second access network device through an interface or protocol between different access network devices.
  • the first device and the second device are the same access network device, and the first device can determine the first information based on pre-configured information without sending or receiving the first information.
  • the second device may generate the first information based on preconfigured information, and send the first information to the first device.
  • Step S2105 The second device sends second information to the first device.
  • the second device sends the second information to the first device.
  • the first device receives second information sent by the second device.
  • the second information is used to configure a first value.
  • the first value is used by the first device to update the first power.
  • the first value is used by the first device to increase the first power by the first value to determine the second power.
  • the first value is used to represent an amount by which the first power is increased.
  • the first value is used to represent an amount of reduction to the first power.
  • a designated number For example, it may be called a designated number, a specific number, a reference number, a designated value, a specific value, a reference value, delta, or may be expressed as ⁇ , ⁇ , delta, etc.
  • the present disclosure does not limit the name and symbol identification of the first value.
  • the name of the second information is not limited, and it may be, for example, “configuration information”, “power configuration information”, “increase power information”, etc.
  • the first device is a terminal 101
  • the second device may be a first network element.
  • the first network element may be a core network device 103, or the first network element is a network element for implementing a perception function.
  • the first network element is a perception function entity.
  • the core network device 103 may include a perception function entity.
  • the first network element may forward the second information to the terminal 101 through the access network device 102.
  • the first network element may also directly send the second information to the terminal 101 through an interface or protocol between the first network element and the terminal.
  • the first device is the terminal 101
  • the second device may be the access network device 102.
  • the access network device 102 may send the second information to the terminal 101 through an interface or protocol between the access network device and the terminal.
  • the first device is a terminal
  • the second device may be a terminal different from the first device. Assume that the first device is terminal 1, and the second device is terminal 2. Terminal 1 may receive the second information sent by terminal 2 through SL.
  • the first device is an access network device 102
  • the second device may be a first network element.
  • the first network element may be a core network device 103, or the first network element is a network element for implementing a perception function.
  • the first network element is a perception function entity.
  • the core network device 103 may include a perception function entity.
  • the first network element sends the second information to the access network device 102 through an interface or a protocol between the first network element and the access network device.
  • the first device and the second device are different access network devices.
  • the first device is the first access network device and the second device is the second access network device.
  • the first access network device can send the second information to the second access network device through an interface or protocol between different access network devices.
  • the first device and the second device are the same access network device, and the first device can determine the second information based on pre-configured information without sending or receiving the second information.
  • the second device may generate second information based on preconfigured information, and send the second information to the first device.
  • Step S2106 When it is detected that the first condition is met, the first device adjusts the first power to obtain the second power.
  • the first device when the first condition is met, the first device may be triggered to adjust the first power. For example, when the first value is a positive value, the first value is added to the first power to obtain the second power.
  • the first device may adjust the first power. For example, if the first value is a negative value, the absolute value of the first value is reduced from the first power to obtain the second power.
  • the first value may be determined by receiving second information sent by the access network device.
  • the first value may be determined by receiving second information sent by the first network element.
  • the first network element may be a core network device, or the first network element is a network element for implementing a perception function.
  • the second information sent by the first network element may be forwarded to the first device via an access network device, or may be directly sent to the first device.
  • the core network device here includes a perception function entity.
  • the first value may be determined based on a second rule.
  • the first value is a default value set in the second rule.
  • the second rule may be referred to as a second preset rule, a second specific rule, a second designated rule, etc.
  • the present disclosure does not limit the name of the second rule.
  • the second rule may be pre-defined.
  • the first value may be determined based on the first parameter and a rule associated with the first parameter.
  • the first value can be determined in at least one of the following ways: based on the access network device configuration; based on the first network element device configuration; based on the second rule; based on the first parameter and the rule related to the first parameter.
  • the first parameter is a parameter related to the first signal and/or the perception target.
  • the name of the first parameter is not limited, and it may be, for example, “perception parameter”, “power adjustment parameter”, “perception signal parameter”, “communication signal parameter”, “perception target parameter”, etc.
  • the first parameter includes the frequency point where the first signal is located.
  • the rule related to the first parameter may be: the higher the frequency point, the larger the first parameter; or the higher the frequency point, the smaller the first parameter.
  • the frequency point can be called absolute radio frequency channel number (ARFCN).
  • ARFCN absolute radio frequency channel number
  • the first parameter includes a bandwidth for sending the first signal.
  • a rule related to the first parameter may be: the larger the bandwidth, the larger the first parameter; or the larger the bandwidth, the smaller the first parameter.
  • the first parameter includes the target type of the perceived target.
  • the rule related to the first parameter may be: the worse the perceived target reflection capability is, the larger the first parameter is; or the worse the perceived target reflection capability is, the smaller the first parameter is.
  • sensing targets of different target types may have different reflection capabilities.
  • sensing targets of target type 1 can almost perfectly reflect sensing signals, while sensing targets of target type 2 will absorb part of the energy of the sensing signal and reflect the rest of the energy of the sensing signal. The signal strength or signal quality of the perceived signal becomes weaker.
  • the first parameter includes a distance between the sensing target and the first device.
  • a rule related to the first parameter may be: the longer the distance, the larger the first parameter; or the longer the distance, the smaller the first parameter.
  • the first device is used to send and/or receive the first signal.
  • the first parameter includes the size of the space occupied by the perception target.
  • the rule related to the first parameter can be: the larger the space occupied by the perception target, the larger the first parameter; or the larger the space occupied by the perception target, the smaller the first parameter.
  • the first parameter corresponding to the perceived target 1 will be greater than the first parameter corresponding to the perceived target 2.
  • the first parameter includes the environment that the sensing target is in.
  • the rule related to the first parameter may be: the more complex and harsher the environment is, the larger the first parameter is; or the more complex and harsher the environment is, the smaller the first parameter is.
  • the first parameter corresponding to environment 1 is often greater than the first parameter corresponding to environment 2.
  • the criteria for determining the complexity and severity of the environment can be set according to actual conditions, and this disclosure does not limit this.
  • the first parameter includes the moving speed of the perceived target.
  • the rule related to the first parameter may be: the faster the moving speed, the larger the first parameter; or the faster the moving speed, the smaller the first parameter.
  • the first parameter includes a device type of the first device.
  • the rule related to the first parameter may be: determining the corresponding first parameter according to whether the first device is a terminal or an access network device.
  • the first parameter may include at least one of the following parameters: the frequency of the first signal; the bandwidth of sending the first signal; the target type of the perceived target; the distance between the perceived target and the first device; the size of the space occupied by the perceived target; the environment in which the perceived target is located; the moving speed of the perceived target; and the device type of the first device.
  • the first condition is a condition for adjusting the first power.
  • the first condition includes not receiving the third signal within a default time period.
  • the first device may not receive the third signal within a default time period, and the first device increases the first power by a first value to obtain the second power.
  • the first device may not receive the third signal reflected by the sensing target within a default time period.
  • the first device increases the first power by a first value to obtain a second power.
  • the default time period may be determined by receiving first information sent by the access network device.
  • the default time period can be determined by receiving the first information sent by the first network element.
  • the first network element can be a core network device, or the first network element is a network element for implementing the perception function.
  • the first information sent by the first network element can be forwarded to the first device through the access network device, or directly sent by the core network device.
  • the core network device here includes a perception function entity.
  • the default time period may be determined based on a first rule.
  • the first time window is a default value set in the first rule.
  • the first rule may be referred to as a first preset rule, a first specific rule, a first designated rule, etc.
  • the present disclosure does not limit the name of the first rule.
  • the first rule may be pre-defined.
  • the default time period may be determined in at least one of the following ways: based on access network device configuration; based on core network device configuration; or based on a first rule.
  • the first condition includes a signal strength of the received third signal being less than a first threshold.
  • the first device when the signal strength of the third signal received by the first device is less than a first threshold, the first device increases the first power by a first value to obtain a second power.
  • the first condition includes a signal quality of the received third signal being less than a second threshold.
  • the first device when the signal quality of the third signal received by the first device is less than a second threshold, the first device increases the first power by a first value to obtain a second power.
  • the first condition includes an inability to accurately measure the third signal.
  • the first device when the first device cannot accurately measure the third signal, the first device increases the first power by the first value to obtain the second power.
  • the inability to accurately measure the third signal may be at least one of the following situations: the RSRP of the third signal is less than the RSRP threshold; the RSRQ of the third signal is less than the RSRQ threshold; the SINR of the third signal is less than the SINR threshold.
  • the first device may determine or judge whether the first condition is satisfied.
  • the determination or judgment can be performed by a value represented by 1 bit (0 or 1), by a true or false value (Boolean value) represented by true or false, or by comparison of numerical values (for example, comparison with a predetermined value), but is not limited to this.
  • the first device sends a first signal based on a first power using a first beam, and the first device sends a second signal using the first beam or a second beam, wherein the first beam and the second beam are different beams.
  • the first device sends the second signal using the first beam, and the first device increases the first power used when the first signal was last sent using the first beam by a first value, thereby obtaining the second power corresponding to the first beam.
  • the first device may make adjustments for each (per) beam. Different beams may correspond to different beam directions.
  • the first device may increase the transmission power by a first value for each retransmission of a perception signal (for example, including the first signal) for a beam.
  • the increased first value may be the same or different for different transmissions.
  • the first value between the transmission power of the second time beam 1 is used to send the perception signal and the first time beam 1 is used to send the perception signal may be delta_21.
  • the first value between the transmission power of the third time beam 1 is used to send the perception signal and the second time beam 1 is used to send the perception signal may be delta_32.
  • the delta_21 and delta_32 may be the same or different.
  • the first use of beam 1 to send a perception signal and the second use of beam 1 to send a perception signal are not necessarily two consecutive times of sending a perception signal.
  • the first device sends a perception signal 8 times in a row, wherein beam 1 is used for the 1st, 3rd, 5th, and 7th times of sending a perception signal, and beam 2 is used for the 2nd, 4th, 6th, and 8th times of sending a perception signal.
  • Beam 1 and beam 2 can be adjusted independently.
  • beam 1 is used for the first time of sending a perception signal
  • beam 1 is used for the third time of sending a perception signal
  • beam 1 is used for the second time of sending a perception signal.
  • the power of beam 1 used for sending the perception signal for the first time is P0_1, that is, P0_1 is the initial transmission power of the perception signal sent using beam 1.
  • the power of beam 2 used for sending the perception signal for the second time is P0_2, that is, P0_2 is the initial transmission power of the perception signal sent using beam 2.
  • P0_1 and P0_2 may be the same or different.
  • the power of beam 1 used for sending the perception signal for the third time is P0_1+delta3_1, and the power of beam 2 used for sending the perception signal for the fourth time is P0_2+delta4_2.
  • the power of beam 1 used for sending the perception signal for the fifth time is P0_1+delta3_1+delta5_3, and the power of beam 2 used for sending the perception signal for the sixth time is P0_2+delta4_2+delta6_4. And so on.
  • each time the first device performs power adjustment it increases the power based on the last transmission power of the same beam. It is not necessarily increased based on the most recent transmission power. The reason is that the beam that sent the perception signal most recently may be a different beam from the beam that sends the perception signal this time.
  • the first value can be used to adjust the first power when the first signal is sent using the same beam.
  • the first device transmits a second signal using a second beam, wherein the "second signal” may also be used in place of the "first signal transmitted based on the second power", which is not limited in the present disclosure.
  • the first device increases the first power used when the first signal was sent using the first beam the last time by a first value, thereby obtaining the second power corresponding to the second beam, wherein the first beam is different from the second beam.
  • the first device may not consider whether the beams are the same, and directly use the first power when the first signal was sent most recently for adjustment. That is, the same beam may be used for each transmission of the perception signal, or a different beam may be used.
  • the first device increases the first value based on the first power when the first signal was sent last time, and obtains the second power. It does not consider whether the beam used to send the first signal last time is the same beam as the beam used to send the second signal this time.
  • the first value for adjusting the first power each time may be the same or different.
  • the power of the first sent perception signal is P0_1, that is, P0_1 is the initial sent power of the sent perception signal.
  • the power of the second sent perception signal is P0_1+delta2_1
  • the power of the third sent perception signal is P0_1+delta2_1+delta3_2. And so on.
  • the first value can be used to adjust the transmission power used for sending the perception signal last time.
  • the first values used when adjusting the power of the second signal transmitted based on different beams may be the same or different.
  • the first values added when transmitting the second signal based on the second power using different beams may be the same or different.
  • the first device uses the first beam to send a second signal based on the second power.
  • the first device determines one or more first combinations. Each first combination includes a beam and a power.
  • the first device determines a second power corresponding to the first beam based on the first combination.
  • the second power is greater than the first power. It can be understood that among the one or more first combinations, there are one or more first combinations including the first beam and the second power. When there are multiple first combinations including the first beam and the second power, the second power with the smallest power value is determined as the second power for sending the second signal this time.
  • different beams may be associated with different transmit powers.
  • the beams include beam 1, beam 2, beam 3, and beam 4.
  • the transmit powers include transmit power 1, transmit power 2, transmit power 3, transmit power 4, and transmit power 5.
  • the power from transmit power 1 to transmit power 5 gradually increases.
  • the first combination can be pre-configured, such as ⁇ transmit power 1, beam 1 ⁇ , ⁇ transmit power 1, beam 3 ⁇ , ⁇ transmit power 2, beam 2 ⁇ , ⁇ transmit power 3, beam 4 ⁇ , ⁇ transmit power 4, beam 2 ⁇ , ⁇ transmit power 5, beam 3 ⁇ ... It can be seen that any one of the first combinations can be used each time a perception signal is sent, and based on the first combination in the combination, the first combination can be used to determine the first combination of the first combination.
  • the perception signal is sent using a beam and a transmission power.
  • the transmission power each time may not be less than the transmission power of the perception signal sent last time. There is no requirement for the beams used to send the perception signal at different times to be the same.
  • the second power may be the power with the smallest power value among the multiple first combinations corresponding to the first beam.
  • precoding "precoder”, “weight”, “precoding weight”, “quasi-co-location (QCL)", "transmission configuration indication (TCI) state
  • TCI transmission configuration indication
  • spatialal relation "spatial domain filter”, “transmission power”, “phase rotation”, "antenna port”, “antenna port group”, “layer”, “the number of layers”, “rank”, “resource”, “resource set”, “resource group”, “beam”, “beam width”, “beam angular degree”, “antenna”, “antenna element”, “panel” and the like are interchangeable.
  • the TCI state may be used to indicate which receive beams the terminal uses when receiving a physical downlink control channel (PDCCH) and/or a demodulation reference signal (DMRS) of a PDCCH, and/or a physical downlink shared channel (PDSCH) and/or a DMRS of a PDSCH.
  • PDCH physical downlink control channel
  • DMRS demodulation reference signal
  • PDSCH physical downlink shared channel
  • CSI-RS channel state information reference signal
  • the TCI state may also be used to indicate which transmit beams the terminal uses when transmitting a physical uplink control channel (PUCCH) and/or a DMRS of a PUCCH, and/or a physical uplink shared channel (PUSCH) and/or a DMRS of a PUSCH.
  • a physical uplink control channel PUCCH
  • PUSCH physical uplink shared channel
  • the beam refers to quasi-colocation (QCL) type D.
  • the network equipment may include access network equipment and/or core network elements.
  • the beam can also be replaced by DL TCI status, UL TCI status, SL TCI status, joint TCI status or spatial relationship information (spatialrelationinfomation), etc.
  • terms such as “certain”, “preset”, “preset”, “set”, “indicated”, “some”, “any”, and “first” can be interchangeable, and "specific A”, “preset A”, “preset A”, “set A”, “indicated A”, “some A”, “any A”, and “first A” can be interpreted as A pre-defined in a protocol, etc., or as A obtained through setting, configuration, or indication, etc., and can also be interpreted as specific A, some A, any A, or first A, etc., but is not limited to this.
  • Step S2107 the first device sends a second signal.
  • the first device sends the sensing signal again according to the second power after the power adjustment, that is, the first device sends the second signal.
  • step S2107 can refer to the optional implementation of step S2102 in FIG. 2 and other related parts in the embodiment involved in FIG. 2 , which will not be described in detail here.
  • any one or more of steps S2104, S2105, and S2106 may be repeatedly executed.
  • Step S2108 The first device receives a fourth signal.
  • the first device may receive a fourth signal reflected by a sensing target, wherein the fourth signal may be a signal of the second signal reflected by the sensing target.
  • the second signal may be the same signal as the first signal.
  • the fourth signal may be the same signal as the third signal.
  • the first device may measure a reflected signal after the perception signal is reflected, such as the fourth signal and/or the third signal, and obtain a corresponding parameter.
  • the parameter is a parameter obtained by measuring the fourth signal and/or the third signal. It can be called a measurement parameter, etc., and the present disclosure does not limit the name of such parameters.
  • the measured parameter may include RSRP of the fourth signal.
  • the measured parameter may include a reference signal received power (reference signal received power) of the i-th path of the fourth signal. signal receiving power per path or reference signal receiving power of the ith path, RSRPP).
  • reference signal received power reference signal received power
  • the measured parameters may include a reference signal received quality (RSRQ) of the fourth signal.
  • RSRQ reference signal received quality
  • the measured parameters may include a signal to interference plus noise ratio (SINR) of the fourth signal.
  • SINR signal to interference plus noise ratio
  • the measured parameter may include an angle of arrival of the fourth signal.
  • the measured parameter may include a departure angle of the second signal.
  • the measured parameter may include an arrival time of the fourth signal.
  • the measured parameter may include a time difference of arrival of the fourth signal.
  • the arrival time difference can be the difference between the arrival time of the fourth signal arriving at the first device and the preset reference time.
  • the time when the fourth signal arrives at the first device is time A
  • the reference time can be time X.
  • the arrival time difference can be the difference between time A and time X.
  • the arrival time difference is the difference in time when different second signals sent by the first device, after being respectively reflected by the sensing target, arrive at the first device.
  • the time when the fourth signal 1 arrives at the first device is time C
  • the time when the fourth signal 2 arrives at the first device is time D.
  • the arrival time difference can be the difference between time C and time D.
  • the measured parameter may include a receiving and sending time difference, wherein the receiving and sending time difference is the difference between the time when the fourth signal is received and the time when the second signal is sent.
  • the measured parameter may include a distance between the perceived target and the first device.
  • the measured parameter may include a distance between the perceived target and the third device.
  • the measured parameter may include a direction angle of the perceived target relative to the first device.
  • the measured parameter may include a moving speed of the perceived target.
  • the measured parameter may include a Doppler frequency shift of the fourth signal.
  • the measured parameters may include at least one of the following: RSRP of the fourth signal; RSRQ of the fourth signal; SINR of the fourth signal; angle of arrival of the fourth signal; angle of departure of the second signal; time of arrival of the fourth signal; time difference of arrival of the fourth signal; time difference of receiving and sending; distance between the perceived target and the first device; distance between the perceived target and the third device; direction angle of the perceived target relative to the first device; moving speed of the perceived target; Doppler frequency deviation of the fourth signal.
  • the at least one parameter obtained by the first device measuring the fourth signal may be reported to other devices, such as to at least one of a terminal, an access network device, and a first network element.
  • the at least one parameter obtained by measuring the fourth signal by the first device may be reported to other devices. For example, it may be reported to at least one of a terminal, an access network device, and a first network element.
  • the first device may send the at least one parameter obtained by measuring the fourth signal to the other device.
  • Reporting can generally be understood as uplink sending, in the present disclosure, “reporting” can be used interchangeably with “sending”. “Reporting” may also be considered to include the sending of SL, which is not limited in the present disclosure.
  • the first device is terminal 101, and the first device can report at least one parameter obtained by measuring the fourth signal to at least one of other terminals, access network devices, and the first network element.
  • the other terminal can be a third device, or other terminals different from the first device and the third device.
  • the first device is the access network device 102, and the first device can send the at least one parameter obtained by measuring the fourth signal to at least one of other access network devices and the first network element.
  • the other access network device can be a third device, or other access network devices different from the first device and the third device.
  • the above-mentioned embodiments of measuring the fourth signal are also applicable to measuring the third signal in step S2103.
  • the specific implementation process can refer to the relevant description of measuring the fourth signal, except that the fourth signal is replaced by the third signal, and the second signal is replaced by the first signal. This disclosure will not be repeated here.
  • the first device may measure the fourth signal to achieve perception of the perception target.
  • sensing the perception target may include determining a distance of the perception target.
  • sensing the perception target may include determining a direction of the perception target.
  • sensing the sensing target may include determining a moving speed of the sensing target.
  • sensing the perception target may include determining a location of the perception target.
  • sensing the perception target may include determining a state of the perception target.
  • sensing the perceived target may include determining a target type of the perceived target.
  • sensing a sensing target may include determining an environment in which the sensing target is located.
  • sensing the perception target may include determining the size of a space occupied by the perception target.
  • sensing the perceived target may also include at least one of the following: determining the distance of the perceived target; determining the direction of the perceived target; determining the moving speed of the perceived target; determining the position of the perceived target; determining the state of the perceived target; determining the target type of the perceived target; determining the environment in which the perceived target is located; and determining the size of the space occupied by the perceived target.
  • sensing the sensing target may also include any information related to the sensing target, which is not limited in the present disclosure.
  • step S2108 can refer to the relevant parts of the embodiments involved in FIG. 2 , which will not be described in detail here.
  • step S2108 any one or more of steps S2104, step S2105, step S2106 and step S2107 may be repeatedly executed.
  • the power control method involved in the embodiment of the present disclosure may include at least one of steps S2101 to S2108.
  • step S2106+S2107 can be implemented as an independent embodiment
  • step S2102+S2106+S2107 can be implemented as an independent embodiment
  • step S2101+S2102+S2106+S2107 can be implemented as an independent embodiment
  • step S2102+S2104+S2106+S2107 can be implemented as an independent embodiment
  • step S2102+S2105+S2106+S2107 can be implemented as an independent embodiment
  • step S2101+S2102+S2104+S2106+S2107 can be implemented as an independent embodiment
  • step S2101+S2102+S2104+S2105+S2106+S2107 can be implemented as an independent embodiment
  • step S2101+S2102+S2104+S2105+S2106+S2107 can be implemented as an independent embodiment, but is not limited to this.
  • steps S2101, S2104, and S2105 may be executed in a swapped order or simultaneously.
  • step S2101 is optional, and one or more of these steps may be omitted or replaced in different embodiments.
  • step S2102 is optional, and one or more of these steps may be omitted or replaced in different embodiments.
  • step S2103 is optional, and one or more of these steps may be omitted or replaced in different embodiments.
  • step S2104 is optional, and one or more of these steps may be omitted or replaced in different embodiments.
  • step S2105 is optional, and one or more of these steps may be omitted or replaced in different embodiments.
  • step S2107 is optional, and one or more of these steps may be omitted or replaced in different embodiments.
  • step S2108 is optional, and one or more of these steps may be omitted or replaced in different embodiments.
  • FIG3a is a flow chart of a power control method according to an exemplary embodiment. As shown in FIG3a, the present disclosure embodiment relates to a power control method, which can be executed on a first device. The method includes:
  • Step S3101 obtaining third information.
  • step S3101 can refer to the optional implementation of step S2101 in FIG. 2 and other related parts in the embodiment involved in FIG. 2 , which will not be described in detail here.
  • the first device receives the third information sent by the access network device 102, but is not limited thereto, and may also receive the third information sent by other entities.
  • the first device receives the third information sent by the first network element, but is not limited thereto, and may also receive the third information sent by other entities.
  • the first device obtains third information specified by the protocol.
  • the first device obtains the third information from an upper layer(s).
  • the first device performs processing to obtain the third information.
  • step S3101 is omitted, and the first device autonomously implements the function indicated by the third information, or the above function is default or default.
  • Step S3102 Send a first signal at a first power.
  • step S3102 can refer to the optional implementation of step S2102 in FIG. 2 and other related parts in the embodiment involved in FIG. 2 , which will not be described in detail here.
  • Step S3103 obtaining first information.
  • step S3103 can refer to the optional implementation of step S2104 in FIG. 2 and other related parts in the embodiment involved in FIG. 2 , which will not be described in detail here.
  • the first device receives the first information sent by the access network device 102, but is not limited thereto.
  • the first device receives the first information sent by the first network element, but is not limited thereto, and may also receive the first information sent by other entities.
  • the first device obtains first information specified by a protocol.
  • the first device obtains the first information from a higher layer.
  • the first device performs processing to obtain the first information.
  • step S3103 is omitted, and the first device autonomously implements the function indicated by the first information, or the above function is default or by default.
  • Step S3104 obtaining second information.
  • step S3104 can refer to the optional implementation of step S2105 in FIG. 2 and other related parts in the embodiment involved in FIG. 2 , which will not be described in detail here.
  • the first device receives the second information sent by the access network device 102, but is not limited thereto, and may also receive the second information sent by other entities.
  • the first device receives the second information sent by the core network device 103, but is not limited thereto, and may also receive the second information sent by other entities.
  • the first device obtains second information specified by the protocol.
  • the first device obtains the second information from a higher layer.
  • the first device performs processing to obtain the second information.
  • step S3104 is omitted, and the first device autonomously implements the function indicated by the second information, or the above function is default or acquiescent.
  • Step S3105 adjusting the first power to obtain the second power.
  • step S3105 can refer to the optional implementation of step S2106 in FIG. 2 and other related parts in the embodiment involved in FIG. 2 , which will not be described in detail here.
  • Step S3106 Send a second signal at a second power.
  • step S3106 can refer to the optional implementation of step S2107 in FIG. 2 and other related parts in the embodiment involved in FIG. 2 , which will not be described in detail here.
  • step S3106 after step S3106, it also includes sensing the sensing target, for example, the first device uses the fourth signal that reflects the second signal through the sensing target to sense the sensing target. In some embodiments, it also includes: receiving the fourth signal, measuring the fourth signal, and obtaining one or more measurement parameters, wherein the fourth signal is a signal of the second signal reflected by the sensing target. These measurement parameters can be sent to other devices for further information statistics and action decisions. For specific implementation, please refer to the optional embodiments described in the above step S2108.
  • FIG3b is a flow chart of another power control method according to an exemplary embodiment. As shown in FIG3b, the embodiment of the present disclosure relates to a power control method, which can be executed on a first device, and the method includes:
  • Step S3201 Send a first signal at a first power.
  • step S3201 can refer to the optional implementation of step S2102 in Figure 2, the optional implementation of step S3102 in Figure 3a, and other related parts in the embodiment involved in Figure 2 and other related parts in the embodiment involved in Figure 3a, which will not be repeated here.
  • Step S3202 obtaining first information.
  • step S3202 can refer to the optional implementation of step S2104 in Figure 2, the optional implementation of step S3103 in Figure 3a, and other related parts in the embodiment involved in Figure 2 and other related parts in the embodiment involved in Figure 3a, which will not be repeated here.
  • step S3202 is omitted, and the first device autonomously implements the function indicated by the first information, or the above function is default or default.
  • Step S3203 obtaining second information.
  • step S3203 can refer to the optional implementation of step S2105 in Figure 2, the optional implementation of step S3104 in Figure 3a, and other related parts in the embodiment involved in Figure 2 and other related parts in the embodiment involved in Figure 3a, which will not be repeated here.
  • step S3203 is omitted, and the first device autonomously implements the function indicated by the second information, or the above function is default or default.
  • Step S3204 adjust the first power to obtain the second power.
  • step S3204 can refer to the optional implementation of step S2106 in FIG. 2 and the optional implementation of step S3105 in FIG. 3a.
  • the optional implementation methods, and other related parts in the embodiment involved in FIG. 2 and other related parts in the embodiment involved in FIG. 3 a are not described in detail here.
  • Step S3205 Send a second signal at a second power.
  • step S3205 can refer to the optional implementation of step S2107 in Figure 2, the optional implementation of step S3106 in Figure 3a, and other related parts in the embodiment involved in Figure 2 and other related parts in the embodiment involved in Figure 3a, which will not be repeated here.
  • step S3205 after step S3205, it also includes sensing the sensing target, for example, the first device uses the fourth signal that reflects the second signal through the sensing target to sense the sensing target. In some embodiments, it also includes: receiving the fourth signal, measuring the fourth signal, and obtaining one or more measurement parameters, wherein the fourth signal is a signal of the second signal reflected by the sensing target. These measurement parameters can be sent to other devices for further information statistics and action decisions. For specific implementation, please refer to the optional embodiment described in the above step S2108.
  • FIG3c is a flow chart of another power control method according to an exemplary embodiment. As shown in FIG3c, the embodiment of the present disclosure relates to a power control method, which can be executed on a first device, and the method includes:
  • Step S3301 obtaining third information.
  • step S3301 can refer to the optional implementation of step S2101 in Figure 2, the optional implementation of step S3101 in Figure 3a, and other related parts in the embodiment involved in Figure 2 and other related parts in the embodiment involved in Figure 3a, which will not be repeated here.
  • step S3301 is omitted, and the first device autonomously implements the function indicated by the third information, or the above function is default or default.
  • Step S3302 Send a first signal at a first power.
  • the optional implementation method of step S3302 can refer to the optional implementation method of step S2102 in Figure 2, the optional implementation method of step S3102 in Figure 3a, the optional implementation method of step S3201 in Figure 3b, and other related parts in the embodiment involved in Figure 2, other related parts in the embodiment involved in Figure 3a, and other related parts in the embodiment involved in Figure 3b, which will not be repeated here.
  • Step S3303 adjust the first power to obtain the second power.
  • the optional implementation method of step S3303 can refer to the optional implementation method of step S2106 in Figure 2, the optional implementation method of step S3105 in Figure 3a, the optional implementation method of step S3204 in Figure 3b, and other related parts in the embodiment involved in Figure 2, other related parts in the embodiment involved in Figure 3a, and other related parts in the embodiment involved in Figure 3b, which will not be repeated here.
  • Step S3304 Send a second signal at a second power.
  • the optional implementation method of step S3304 can refer to the optional implementation method of step S2107 in Figure 2, the optional implementation method of step S3106 in Figure 3a, the optional implementation method of step S3205 in Figure 3b, and other related parts in the embodiment involved in Figure 2, other related parts in the embodiment involved in Figure 3a, and other related parts in the embodiment involved in Figure 3b, which will not be repeated here.
  • step S3304 after step S3304, it also includes sensing the sensing target, for example, the first device uses the fourth signal that reflects the second signal through the sensing target to sense the sensing target. In some embodiments, it also includes: receiving the fourth signal, measuring the fourth signal, and obtaining one or more measurement parameters, wherein the fourth signal is a signal of the second signal reflected by the sensing target. These measurement parameters can be sent to other devices for further information statistics and action decisions. For specific implementation, please refer to the optional embodiment described in the above step S2108.
  • FIG3d is a flow chart of another power control method according to an exemplary embodiment.
  • the embodiment of the present disclosure relates to a power control method, which can be executed on a first device, and the method includes:
  • Step S3401 Send a first signal at a first power.
  • the optional implementation method of step S3301 can refer to the optional implementation method of step S2102 in Figure 2, the optional implementation method of step S3102 in Figure 3a, the optional implementation method of step S3201 in Figure 3b, the optional implementation method of step S3302 in Figure 3c, and other related parts in the embodiment involved in Figure 2, other related parts in the embodiment involved in Figure 3a, other related parts in the embodiment involved in Figure 3b, and other related parts in the embodiment involved in Figure 3c, which will not be repeated here.
  • the first power is determined based on at least one of the following methods: based on third information, where the third information is used to indicate the first power; or based on a third rule.
  • the third information is obtained by at least one of the following methods: receiving the third information sent by the access network device; receiving the third information sent by the first network element, where the first network element is a network element for implementing the perception function.
  • the third information includes at least one of the following: a first power; and a path loss reference signal.
  • the method is used in at least one of the following scenarios: the node sending the first signal is a terminal, and the node receiving the third signal is a terminal; or, the node sending the first signal is an access network device, and the node receiving the third signal is an access network device.
  • the first signal includes at least one of the following information: a positioning reference signal PRS; a sounding reference signal SRS; Sidelink positioning reference signal SL-PRS; sidelink sounding reference signal SL-SRS; perception reference signal.
  • the terminal is in any one of the following states: radio resource control RRC connected state; RRC inactive state; RRC idle state.
  • Step S3402 adjust the first power to obtain the second power.
  • the optional implementation method of step S3402 can refer to the optional implementation method of step S2106 in Figure 2, the optional implementation method of step S3105 in Figure 3a, the optional implementation method of step S3204 in Figure 3b, the optional implementation method of step S3303 in Figure 3c, and other related parts in the embodiment involved in Figure 2, other related parts in the embodiment involved in Figure 3a, other related parts in the embodiment involved in Figure 3b, and other related parts in the embodiment involved in Figure 3c, which will not be repeated here.
  • the first power is adjusted to obtain a second power.
  • adjusting the first power to obtain the second power includes: adding a first value to the first power to obtain the second power.
  • a first signal is sent based on a first power using a first beam
  • a second signal is sent based on a second power using the first beam or the second beam; wherein the first beam is different from the second beam, and the first value added when sending the second signal based on the second power using different beams is the same or different.
  • a second signal is sent based on a second power using a first beam; the first power is adjusted to obtain a second power, including: determining a second power corresponding to the first beam based on a first combination, wherein the first combination includes the first beam and the second power, and the second power is greater than the first power.
  • the first condition includes at least one of the following: the second signal is not received within a default time period; the signal strength of the received second signal is less than a first threshold; the signal quality of the received second signal is less than a second threshold.
  • the default time period is determined by at least one of the following methods: receiving first information sent by an access network device or a terminal, the first information is used to configure the default time period; receiving first information sent by a first network element, the first network element is a network element used to implement a perception function; or determined based on a first rule.
  • the first value is determined by at least one of the following methods: receiving second information sent by an access network device or a terminal, the second information is used to configure the first value; receiving second information sent by a first network element, the first network element is a network element used to implement a perception function; determining based on a second rule; determining based on a first parameter and a rule related to the first parameter.
  • the first parameter includes at least one of the following parameters: the frequency of the first signal; the bandwidth of sending the first signal; the target type of the perceived target; the distance between the perceived target and the first device; the size of the space occupied by the perceived target; the environment in which the perceived target is located; the moving speed of the perceived target; and the device type of the first device.
  • Step S3403 Send a second signal at a second power.
  • the optional implementation method of step S3403 can refer to the optional implementation method of step S2107 in Figure 2, the optional implementation method of step S3106 in Figure 3a, the optional implementation method of step S3205 in Figure 3b, the optional implementation method of step S3304 in Figure 3c, and other related parts in the embodiment involved in Figure 2, other related parts in the embodiment involved in Figure 3a, other related parts in the embodiment involved in Figure 3b, and other related parts in the embodiment involved in Figure 3c, which will not be repeated here.
  • step S3403 after step S3403, it also includes sensing the perception target, for example, the first device uses the fourth signal that reflects the second signal through the perception target to sense the perception target. In some embodiments, it also includes: receiving the fourth signal, measuring the fourth signal, and obtaining one or more measurement parameters, wherein the fourth signal is a signal of the second signal reflected by the perception target. These measurement parameters can be sent to other devices for further information statistics and action decisions. For specific implementation, please refer to the optional embodiment described in the above step S2108.
  • the fourth signal is measured to obtain at least one of the following parameters: RSRP of the fourth signal; reference signal received power RSRPP of the i-th path of the fourth signal, where i is a positive integer; reference signal received quality RSRQ of the fourth signal; signal to interference and noise ratio SINR of the fourth signal; angle of arrival of the fourth signal; angle of departure of the second signal; time of arrival of the fourth signal; time difference of arrival of the fourth signal, where the time difference of arrival is the difference between the time when the fourth signal is received and a preset reference time, or the time difference of arrival is the difference between the times when different fourth signals are received; time difference between receiving and sending the second signal and the fourth signal; distance between the perceived target and the first device; azimuth angle of the perceived target relative to the first device; moving speed of the perceived target; Doppler frequency deviation of the fourth signal.
  • the perception signal sending node determines the initial transmission power of the perception signal based on a configuration or a default rule.
  • the configuration may be a gNB configuration or an awareness function entity configuration or a UE indication via a sidelink.
  • the configuration includes directly configuring the transmit power, or configuring the pathloss RS, or indicating the RSRP received by the perception signal receiving end.
  • the sensing node sends the sensing signal using the initial transmission power, and then adjusts the transmission power to facilitate re-sending, and the adjustment method is as follows:
  • the perception signal sending node if the perception signal sending node cannot accurately receive the reflected perception signal within a certain period of time, or the signal strength or signal quality of the received perception signal is lower than a threshold value, the perception signal sending node will increase the transmission power by a delta value before sending.
  • the threshold value may be a network configuration or a default value specified by the protocol.
  • this time within a certain period of time may also be a network configuration or a default value specified by a protocol.
  • the delta value may be a network configuration, a default value specified by a protocol, or a value calculated based on certain parameters and a specified rule.
  • the parameters may be related to the frequency of the perception signal (the higher the frequency, the larger the delta can be), bandwidth (the larger the bandwidth, the larger the delta can be), perception target type (if the perception target has poor transmission capability, the delta can be larger), distance range of the perception target (the longer the distance, the larger the delta can be), size range of the perception target (the larger the size, the larger the delta can be), perception environment, movement speed of the perception target, perception node type (UE or gNB), etc.
  • the power adjustment can be performed per beam, or it can be increased directly regardless of whether the beams are the same.
  • per beam means that for the same beam direction, the power is increased by delta for each retransmission, and the delta value may be different for different transmissions.
  • the delta_21 of the second transmission compared to the first transmission, and the delta_32 of the second transmission compared to the third transmission may be different in size. This does not mean that the same beam must be used for multiple consecutive transmissions, but that beam 1 may be used for multiple consecutive transmissions, or beam 1 may be used for the 1st, 3rd, 5th, and 7th times, and beam 2 may be used for the 2nd, 4th, 6th, and 8th times, but other power adjustments are performed independently for beam 1 and beam 2.
  • the power of beam 1 used for the first time is P0_1 (the initial power of beam 1)
  • the power of beam 2 used for the second time is also P0_2 (the initial power of beam 2, and the initial powers of the two may be the same or different).
  • the power of beam1 used for the third time is P0_1+delta_31
  • the power of beam2 used for the fourth time is P0_2+delta_42. That is, each time the power is increased based on the last transmission power of the same beam, not based on the most recent transmission power, because the most recent transmission power may be a different beam.
  • the power is increased directly based on the power of the last transmission. This means that for each retransmission, the beam can change, and the power is increased based on the power of the last transmission, regardless of whether the beam is the same or not. Similarly, the delta can be the same or different for different transmissions.
  • beams are beam1, beam2, beam3, beam4, and powers are P0, P1, P2, P3, P4 and gradually increase. Then select some combinations to send, such as ⁇ P0, beam1 ⁇ , ⁇ P0, beam3 ⁇ , ⁇ P1, beam2 ⁇ , ⁇ P2, beam4 ⁇ , ⁇ P3, beam1 ⁇ , ⁇ P4, beam3 ⁇ ... In this case, the power sent cannot be less than the last send power, but the beam can change.
  • the above embodiments are mainly applicable to the self-transmitting and self-receiving mode, including the sensing mode of UE self-transmitting and self-receiving and gNB self-transmitting and self-receiving. It is not limited to the other 4 modes.
  • the perception signal involved in the above embodiments may be a PRS, an SRS, an SL-PRS, a PRS/SRS between base stations, or a new reference signal for perception.
  • the awareness functional entity is part of the core network.
  • the measurement values of the perceived signal include signal strength measurement values RSRP/RSRQ/SINR, angle measurement values arrival angle/departure angle, time measurement values arrival time difference/arrival time/receiving and sending time difference, distance, moving speed, Doppler frequency deviation, etc.
  • the above embodiments are applicable to the UE being in RRC_connected, RRC_inactive or RRC_idle state.
  • each step can be implemented as an independent embodiment. Some or all of the steps and their optional implementations can be arbitrarily combined with some or all of the steps in other embodiments, and can also be arbitrarily combined with the optional implementations of other embodiments.
  • the embodiments of the present disclosure also provide a device for implementing any of the above methods, for example, a power control device, the above device includes a unit or module for implementing each step performed by the first device (such as a terminal, an access network device, a core network function node, a core network device, etc.) in any of the above methods.
  • a power control device the above device includes a unit or module for implementing each step performed by the first device (such as a terminal, an access network device, a core network function node, a core network device, etc.) in any of the above methods.
  • the division of the units or modules in the above devices is only a division of logical functions, which can be fully or partially integrated into one physical entity or physically separated in actual implementation.
  • the units or modules in the device can be implemented in the form of a processor calling software: for example, the device includes a processor, the processor is connected to a memory, instructions are stored in the memory, and the processor calls the instructions stored in the memory to implement any of the above methods or implement the functions of the units or modules of the above devices, wherein the processor is, for example, a general-purpose processor, such as a central processing unit (CPU) or a microprocessor, and the memory is a memory inside the device or a memory outside the device.
  • CPU central processing unit
  • microprocessor a microprocessor
  • the units or modules in the device can be implemented in the form of hardware circuits, and the functions of some or all units or modules can be realized by designing the hardware circuits.
  • the above hardware circuits can be understood as one or more processors; for example, in one implementation, the above hardware circuit is an application-specific integrated circuit (ASIC), which is implemented by The design of the logical relationship of the components in the circuit realizes the functions of some or all of the above units or modules; for example, in another implementation, the above hardware circuit can be realized by a programmable logic device (PLD), taking a field programmable gate array (FPGA) as an example, which can include a large number of logic gate circuits, and the connection relationship between the logic gate circuits is configured through a configuration file, so as to realize the functions of some or all of the above units or modules. All units or modules of the above device can be realized in the form of software called by the processor, or in the form of hardware circuits, or in part in the form of software called by the processor, and the rest in the form of hardware circuits.
  • the processor is a circuit with signal processing capability.
  • the processor may be a circuit with instruction reading and running capability, such as a central processing unit (CPU), a microprocessor, a graphics processing unit (GPU) (which may be understood as a microprocessor), or a digital signal processor (DSP); in another implementation, the processor may implement certain functions through the logical relationship of a hardware circuit, and the logical relationship of the above hardware circuit may be fixed or reconfigurable, such as a hardware circuit implemented by an application-specific integrated circuit (ASIC) or a programmable logic device (PLD), such as an FPGA.
  • ASIC application-specific integrated circuit
  • PLD programmable logic device
  • the process of the processor loading a configuration document to implement the hardware circuit configuration may be understood as the process of the processor loading instructions to implement the functions of some or all of the above units or modules.
  • it can also be a hardware circuit designed for artificial intelligence, which can be understood as ASIC, such as Neural Network Processing Unit (NPU), Tensor Processing Unit (TPU), Deep Learning Processing Unit (DPU), etc.
  • ASIC Neural Network Processing Unit
  • NPU Neural Network Processing Unit
  • TPU Tensor Processing Unit
  • DPU Deep Learning Processing Unit
  • FIG4 is a schematic diagram of a power control device according to an exemplary embodiment.
  • the power control device 4100 may be, for example, the first device mentioned above, and the device 4100 includes: at least one of a transceiver module 4101 and a processing module 4102.
  • the transceiver module 4101 is used to send a first signal or a second signal
  • the transceiver module 4101 is also used to receive a third signal or a fourth signal.
  • the transceiver module 4101 is used to perform at least one of the communication steps S2101, step S2102, step S2103, step S2104, step S2105, step S2107, and step S2108 of sending and/or receiving performed by the first device in any of the above methods, but is not limited to this, and will not be repeated here.
  • the processing module 4102 is used to perform other steps S2106 performed by the first device in any of the above methods, but is not limited to this, and will not be repeated here.
  • FIG5a is a schematic diagram of the structure of a communication device 5100 proposed in an embodiment of the present disclosure.
  • the communication device 5100 may be a network device (e.g., an access network device, a core network device, etc.), or a terminal (e.g., a user device, etc.), or a chip, a chip system, or a processor that supports a network device to implement any of the above methods, or a chip, a chip system, or a processor that supports a terminal to implement any of the above methods.
  • the communication device 5100 may be used to implement the method described in the above method embodiment, and the details may refer to the description in the above method embodiment.
  • the communication device 5100 includes one or more processors 5101.
  • the processor 5101 may be a general-purpose processor or a dedicated processor, for example, a baseband processor or a central processing unit.
  • the baseband processor may be used to process the communication protocol and the communication data
  • the central processing unit may be used to control the communication device (such as a base station, a baseband chip, a terminal device, a terminal device chip, a DU or a CU, etc.), execute a program, and process the data of the program.
  • the communication device 5100 is used to execute any of the above methods.
  • the communication device 5100 further includes one or more memories 5102 for storing instructions.
  • the memory 5102 may also be outside the communication device 5100.
  • the communication device 5100 further includes one or more transceivers 5103.
  • the transceiver 5103 performs at least one of the communication steps S2101, S2102, S2103, S2104, S2105, S2107, and S2108 of the above method, but is not limited thereto.
  • the processor 5101 performs at least one of the other steps S2106, but is not limited thereto.
  • the transceiver may include a receiver and/or a transmitter, and the receiver and the transmitter may be separate or integrated.
  • the terms such as transceiver, transceiver unit, transceiver, transceiver circuit, etc. may be replaced with each other, the terms such as transmitter, transmission unit, transmitter, transmission circuit, etc. may be replaced with each other, and the terms such as receiver, receiving unit, receiver, receiving circuit, etc. may be replaced with each other.
  • the communication device 5100 may include one or more interface circuits 5104.
  • the interface circuit 5104 is connected to the memory 5102, and the interface circuit 5104 may be used to receive signals from the memory 5102 or other devices, and may be used to send signals to the memory 5102 or other devices.
  • the interface circuit 5104 may read instructions stored in the memory 5102 and send the instructions to the processor 5101.
  • the communication device 5100 described in the above embodiments may be a network device or a terminal, but the scope of the communication device 5100 described in the present disclosure is not limited thereto, and the structure of the communication device 5100 may not be limited by FIG. 5a.
  • the communication device may be an independent device or may be part of a larger device.
  • the communication device may be: (1) an independent integrated circuit IC, or a chip, or a chip system or subsystem; (2) a collection of one or more ICs, and optionally, the above IC collection may also include a storage component for storing data and programs; (3) an ASIC, such as a modem; (4) a module that can be embedded in other devices; (5) Receivers, terminal devices, intelligent terminal devices, cellular phones, wireless devices, handheld devices, mobile units, vehicle-mounted devices, network devices, cloud devices, artificial intelligence devices, etc.; (6) Others, etc.
  • Fig. 5b is a schematic diagram of the structure of a chip 5200 provided in an embodiment of the present disclosure.
  • the communication device 5100 may be a chip or a chip system
  • the chip 5200 includes one or more processors 5201, and the chip 5200 is used to execute any of the above methods.
  • the chip 5200 further includes one or more interface circuits 5202.
  • the interface circuit 5202 is connected to the memory 5203.
  • the interface circuit 5202 can be used to receive signals from the memory 5203 or other devices, and the interface circuit 5202 can be used to send signals to the memory 5203 or other devices.
  • the interface circuit 5202 can read instructions stored in the memory 5203 and send the instructions to the processor 5201.
  • the interface circuit 5202 performs at least one of the communication steps S2101, S2102, S2103, S2104, S2105, S2107, and S2108 of the above method, but is not limited thereto.
  • the processor 5201 performs at least one of the other steps S2106, but is not limited thereto.
  • interface circuit interface circuit
  • transceiver pin transceiver
  • the chip 5200 further includes one or more memories 5203 for storing instructions. Alternatively, all or part of the memory 5203 may be outside the chip 5200.
  • the present disclosure also proposes a storage medium, on which instructions are stored, and when the instructions are executed on the communication device 5100, the communication device 5100 executes any of the above methods.
  • the storage medium is an electronic storage medium.
  • the storage medium is a computer-readable storage medium, but is not limited to this, and it can also be a storage medium readable by other devices.
  • the storage medium can be a non-transitory storage medium, but is not limited to this, and it can also be a temporary storage medium.
  • the present disclosure also proposes a program product, which, when executed by the communication device 5100, enables the communication device 5100 to execute any of the above methods.
  • the program product is a computer program product.
  • the present disclosure also proposes a computer program, which, when executed on a computer, causes the computer to execute any one of the above methods.
  • the present disclosure improves the accuracy of communication perception by controlling the power of the self-transmitted and self-received perception signal.
  • the embodiments of the present disclosure provide a power control method, apparatus, device and storage medium.
  • an embodiment of the present disclosure proposes a power control method, which is applied to a first device, and includes: determining a first power used to send a first signal, wherein the first signal is used to sense a perception target; when it is detected that a first condition is met, adjusting the first power to obtain a second power; and sending a second signal based on the second power, wherein the second signal is used to sense the perception target.
  • the device sending the perception signal can adjust the power used when sending the perception signal, thereby improving the perception accuracy of the perception target.
  • adjusting the first power to obtain the second power includes: adding a first value to the first power to obtain the second power.
  • the transmission power of the perception signal can be adjusted more flexibly to improve the perception accuracy of the perception target.
  • it also includes: using a first beam to send a first signal based on a first power, and using the first beam or the second beam to send the second signal; wherein the first beam is different from the second beam, and the first value added when using different beams to send the second signal is the same or different.
  • the same or different first values may be used for adjustment for the same beam or different beams, so as to flexibly configure the power adjustment size for different beams and improve the perception accuracy of the perception target.
  • it includes: sending a second signal using a first beam; adjusting the first power to obtain a second power, including: determining a second power corresponding to the first beam based on a first combination, wherein the first combination includes the first beam and the second power, and the second power is greater than the first power.
  • the second power used when sending the second signal this time can be determined based on the pre-configured combination, so that when power adjustment is performed for different beams, the number of power adjustments can be reduced, which is convenient for configuration and management of power adjustment and improves the perception accuracy of the perception target.
  • the first condition includes at least one of the following: the first signal is not received within a default time period; the signal strength of the received first signal is less than a first threshold; the signal quality of the received first signal is less than a second threshold.
  • the above embodiment is applicable to a variety of different scenarios, and the sensing power can be adjusted in a timely manner in accordance with any scenario to improve the sensing accuracy of the sensing target.
  • the method further includes at least one of the following: receiving a second device sending The first information is used to configure a default time period; the default time period is determined based on the first rule; the second device includes at least one of the following: an access network device; a first network element, the first network element is a network element for implementing a perception function; a terminal.
  • the default time period can be determined in different ways, which has high configuration flexibility, so that the default time period can be configured in a suitable way in various scenarios and the perception accuracy of the perception target can be improved.
  • the method also includes at least one of the following: receiving second information sent by a second device, the second information being used to configure a first value; determining the first value based on a second rule; determining the first value based on a first parameter and a rule related to the first parameter; the second device includes at least one of the following: an access network device; a first network element, the first network element being a network element for implementing a perception function; a terminal.
  • the first value can be determined in different ways, which has high configuration flexibility, so that the first value can be configured in a suitable way in various scenarios and the perception accuracy of the perception target can be improved.
  • the first parameter includes at least one of the following parameters: the frequency of the first signal; the bandwidth for sending the first signal; the target type of the perceived target; the distance between the perceived target and the first device; the size of the space occupied by the perceived target; the environment in which the perceived target is located; the moving speed of the perceived target; and the device type of the first device.
  • the first value can be determined by different parameters, which has high configuration flexibility.
  • the first value is indicated by different parameters to adjust the first power, thereby improving the perception accuracy of the perception target.
  • the relationship between the first value and the first parameter includes at least one of the following: a positive correlation or negative correlation between the first value and the value of the frequency point where the first signal is located; a positive correlation or negative correlation between the first value and the value of the bandwidth for sending the first signal; a corresponding relationship between the first value and the strength of the reflection ability of the perceived target; a positive correlation or negative correlation between the first value and the distance; a positive correlation or negative correlation between the first value and the size of the space occupied by the perceived target; a corresponding relationship between the first value and the environment in which the perceived target is located; a positive correlation or negative correlation between the first value and the moving speed of the perceived target; and a corresponding relationship between the first value and the device type of the first device.
  • the first power is determined based on at least one of the following methods: determined based on third information, where the third information is used to indicate the first power; determined based on a third rule.
  • the first power can be determined in multiple different ways, which has high configuration flexibility, so that the first power can be determined in a suitable way in multiple scenarios, so as to send the perception signal according to the first power.
  • the method also includes: receiving third information sent by a second device; the second device includes at least one of the following: an access network device; a first network element, the first network element is a network element for implementing a perception function; a terminal.
  • the third information can be determined in multiple different ways, which has high configuration flexibility, so that the third information can be determined in a suitable way in multiple scenarios, and then the first power can be determined, and the perception signal can be sent according to the first power.
  • the third information includes at least one of the following: a first power; a path loss reference signal.
  • multiple possible parameters included in the third information are provided, and the first power can be determined according to the multiple possible parameters, so as to adopt appropriate parameters to determine the first power in various scenarios and improve universality.
  • the method is used in at least one of the following scenarios: the node that sends the first signal and/or the second signal is a terminal, and the node that receives the first signal and/or the second signal is a terminal; or, the node that sends the first signal and/or the second signal is an access network device, and the node that receives the first signal and/or the second signal is an access network device.
  • the first power is adjusted in a variety of different perception modes, so that the first power can be adjusted in a timely manner in a suitable perception mode to improve the perception accuracy of the perception target.
  • the first signal or the second signal includes one or more of the following: a positioning reference signal PRS; a sounding reference signal SRS; a side link positioning reference signal SL-PRS; a side link sounding reference signal SL-SRS; a reference signal for perception.
  • a variety of possible situations of the first signal are provided, which can be applicable to the scenario of sending different reference signals to perceive the perception target, thereby improving universality and improving the perception of the perception target.
  • the terminal is in any of the following states: a radio resource control RRC Connected state; RRC inactive state; RRC idle state.
  • the first power can be adjusted in various states of the terminal, thereby increasing the universality and improving the perception accuracy of the perception target.
  • the method also includes: receiving a second signal; measuring the second signal, the measurement including at least one of the following parameters: reference signal received power RSRP of the second signal; reference signal received power RSRPP of the i-th path of the second signal, wherein i is a positive integer; reference signal received quality RSRQ of the second signal; signal to interference and noise ratio SINR of the second signal; angle of arrival of the second signal; angle of departure of the second signal; time of arrival of the second signal; time difference of arrival of the second signal, wherein the time difference of arrival is the difference between the time when the second signal is received and a preset reference time, or the time difference of arrival is the difference between the time when different second signals are received; receiving and sending time difference, the receiving and sending time difference is the difference between the time when the second signal is received and the time when the second signal is sent; sensing the distance between the target and the first device; sensing the direction angle of the target relative to the first device; sensing the moving speed of the
  • the reflected signal of the received perception signal may also be measured, and the perception target may be perceived based on one or more measurement parameters, and the transmit power may be adjusted in time to improve the perception accuracy of the perception target.
  • the method further includes: sending at least one parameter obtained by measuring the second signal.
  • the parameters obtained by measuring the second signal may also be reported, so that other devices can perceive the perception target based on the parameters, thereby improving the perception accuracy.
  • perceiving a perceived target includes at least one of the following: determining the distance of the perceived target; determining the direction of the perceived target; determining the moving speed of the perceived target; determining the position of the perceived target; determining the state of the perceived target; determining the target type of the perceived target; determining the environment in which the perceived target is located; and determining the size of the space occupied by the perceived target.
  • a variety of situations for sensing a sensing target are provided, so as to be applicable to a variety of different sensing tasks, realize sensing of multiple aspects of the sensing target, and improve sensing efficiency and sensing accuracy.
  • a power control device including: a processing module, used to determine a first power used to send a first signal, wherein the first signal is used to sense a perception target; the processing module is also used to, when a first condition is detected to be met, adjust the first power to obtain a second power; and a transceiver module, used to send a second signal based on the second power, wherein the second signal is used to sense the perception target.
  • the device sending the perception signal can adjust the power used when sending the perception signal, thereby improving the perception accuracy of the perception target.
  • a power control device comprising: a transceiver, a memory, and one or more processors coupled to the memory, wherein computer executable instructions are stored in the memory, and when the one or more processors execute the instructions, the power control device executes the power control method described in the first aspect and any one of the embodiments in the first aspect and its combination with the embodiments.
  • the device sending the perception signal can adjust the power used when sending the perception signal, thereby improving the perception accuracy of the perception target.
  • a computer-readable storage medium in which instructions are stored.
  • the communication device executes the power control method described in the first aspect and any one embodiment of the first aspect and its combination embodiment.
  • the device sending the perception signal can adjust the power used when sending the perception signal, thereby improving the perception accuracy of the perception target.
  • an embodiment of the present disclosure proposes a program product.
  • the program product is executed by a communication device, the communication device executes the method described in any one or more optional implementations of the first aspect.
  • an embodiment of the present disclosure proposes a computer program, which, when executed on a computer, enables the computer to execute the method described in any one or more optional implementations of the first aspect.
  • the embodiments of the present disclosure provide a chip or a chip system, which includes a processing circuit configured to execute the method described in any one or more optional implementations of the first aspect.
  • the terminal, access network device, first network element, core network device, communication system, storage medium, program product, computer program, chip or chip system involved in each embodiment of the present disclosure are used to execute the method proposed in the embodiment of the present disclosure. Therefore, the beneficial effects that can be achieved can refer to the beneficial effects in the corresponding method, which will not be repeated here.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

La présente divulgation concerne un procédé et appareil de commande de puissance, ainsi qu'un dispositif et un support de stockage. Le procédé de commande de puissance consiste à : déterminer une première puissance utilisée pour envoyer un premier signal, le premier signal servant à détecter une cible de détection ; lorsqu'il est détecté qu'une première condition est satisfaite, ajuster la première puissance afin d'obtenir une seconde puissance ; et envoyer un second signal d'après la seconde puissance, le second signal servant à détecter la cible de détection. Selon la présente divulgation, la puissance utilisée lorsqu'un signal de détection est envoyé est ajustée, ce qui permet d'améliorer la précision de détection de la cible de détection.
PCT/CN2023/102140 2023-06-25 2023-06-25 Procédé et appareil de commande de puissance, dispositif et support de stockage Pending WO2025000132A1 (fr)

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CN202380009800.7A CN119586236A (zh) 2023-06-25 2023-06-25 功率控制方法、装置、设备及存储介质
PCT/CN2023/102140 WO2025000132A1 (fr) 2023-06-25 2023-06-25 Procédé et appareil de commande de puissance, dispositif et support de stockage

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107872818A (zh) * 2016-09-27 2018-04-03 中兴通讯股份有限公司 数据处理方法、节点及终端
WO2022131766A1 (fr) * 2020-12-16 2022-06-23 삼성전자 주식회사 Dispositif électronique et procédé de transmission d'un signal de référence dans un dispositif électronique
US20220400445A1 (en) * 2021-06-14 2022-12-15 Qualcomm Incorporated Power control techniques for cooperative sensing
CN115707076A (zh) * 2021-08-13 2023-02-17 华为技术有限公司 功率控制方法及装置
WO2023051633A1 (fr) * 2021-09-30 2023-04-06 华为技术有限公司 Procédé et appareil de communication

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107872818A (zh) * 2016-09-27 2018-04-03 中兴通讯股份有限公司 数据处理方法、节点及终端
WO2022131766A1 (fr) * 2020-12-16 2022-06-23 삼성전자 주식회사 Dispositif électronique et procédé de transmission d'un signal de référence dans un dispositif électronique
US20220400445A1 (en) * 2021-06-14 2022-12-15 Qualcomm Incorporated Power control techniques for cooperative sensing
CN115707076A (zh) * 2021-08-13 2023-02-17 华为技术有限公司 功率控制方法及装置
WO2023051633A1 (fr) * 2021-09-30 2023-04-06 华为技术有限公司 Procédé et appareil de communication

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