Method used in communication node for wireless communication, and apparatus

Abstract

Disclosed in the present application are a method used in a communication node for wireless communication, and an apparatus. A communication node transmits a first signal; a second signal is received; and a first timing advance value is determined; the first signal triggers the second signal, the second signal is an echo signal of the first signal, the determination of the first timing advance value depends on a first duration, and the first duration depends on the duration between the moment of sending the first signal and the moment of receiving the second signal. The solution provided by the present application facilitates the merger of communication and sensing networks, signaling interaction during a TA acquisition process is reduced, time delay during the TA acquisition process is reduced, and TA estimation accuracy is improved.

Description

A method and apparatus for use in a communication node for wireless communication Technical Field

[0001] The present application relates to a transmission method and apparatus in a wireless communication system, and in particular to a method and apparatus for acquiring a TA. Background Art

[0002] With the growing demand for sensing, the trend toward integrating sensing and communication capabilities within networks is becoming increasingly apparent. In June 2023, the ITU-R WP 5D Working Group unanimously adopted the draft recommendation for IMT-2030 (6G) at its 44th meeting. Integrated Sensing and Communication (ISAC) was included as a new application scenario among the six major 6G application scenarios for the first time. In November 2022, the 3rd Generation Partnership Project (3GPP) released Technical Report 22.837 (Rel-19), "Feasibility Study of Integrated Sensing and Communication," which outlined 26 different use cases and integrated potential requirements and key performance indicators (KPIs) for ISAC. In July 2023, 3GPP released the "Technical Specification for Integrated Sensing and Communication." The 3GPP RAN will also soon conduct channel modeling for ISAC.

[0003] With the continuous development of wireless communications, demands are becoming increasingly diversified. To this end, 3GPP will further enhance some key technologies in its future evolution. For example, it will apply AI (Artificial Intelligence) or ML (Machine Learning) to TA acquisition to improve the accuracy of TA acquisition and reduce signaling overhead.

[0004] The existing TA acquisition does not take into account the possible introduction of the UE's ISAC capability and implement UE-initiated TA acquisition, so that TA acquisition based on the random access process may lead to cumbersome signaling interaction and a high probability of uplink desynchronization.

[0005] Summary of the Invention

[0006] The inventors discovered that in the existing TA acquisition process, the UE acquires the TA through a random access process: the UE sends a preamble signal, and after the base station receives the preamble signal, it determines the uplink TA based on the preamble reception time and the preamble transmission time, and feeds it back to the UE through a timing advance command. In this process, the network-side signaling interaction delay and the change in the channel environment caused by UE mobility will affect the effectiveness of the TA, causing the UE to trigger uplink desynchronization and random access procedures, thereby affecting the continuity of the bearer service. Therefore, it is necessary to further study methods for quickly acquiring TA, especially but not limited to, when ISAC is used in existing systems, how to use ISAC to assist in TA acquisition needs to be studied.

[0007] This application provides a solution to the above-mentioned problems. While the NR system is used as an example in the description of the above-mentioned problems, this application is also applicable to scenarios such as LTE (Long-Term Evolution) or LTE-A (Long-Term Evolution Advanced), achieving technical effects similar to those of the NR system. Furthermore, while this application provides specific implementations for the 3GPP system, it can also be used in non-3GPP system scenarios, achieving technical effects similar to those of the 3GPP system. Furthermore, adopting a unified design for different scenarios can also help reduce hardware complexity and cost. Furthermore, while this application is initially intended for the Uu air interface, it can also be used for the PC5 interface, achieving technical effects similar to those of the Uu air interface. Furthermore, while this application is initially intended for terminal and base station scenarios, it is also applicable to V2X (Vehicle-to-Everything) scenarios, communication scenarios between a terminal and a relay, and between a relay and a base station, achieving technical effects similar to those of the terminal and base station scenarios. Furthermore, although the original intention of this application is for the terminal and base station scenario, this application is also applicable to the IAB (Integrated Access and Backhaul) communication scenario, achieving similar technical effects in the terminal and base station scenario. Furthermore, although the original intention of this application is for the terrestrial network (TN) scenario, this application is also applicable to the non-terrestrial network (NTN) communication scenario, achieving similar technical effects in the TN scenario. In addition, adopting a unified solution for different scenarios can also help reduce hardware complexity and cost.

[0008] As an embodiment, the interpretation of terminology in this application refers to the definition of 3GPP specification protocol TS36 series.

[0009] As an embodiment, the interpretation of the terms in this application refers to the definition of the 3GPP specification protocol TS38 series.

[0010] As an embodiment, the interpretation of the terms in this application refers to the definitions of the 3GPP specification protocol TS37 series.

[0011] It should be noted that, in the absence of conflict, the embodiments and features in any node of the present application can be applied to any other node. In the absence of conflict, the embodiments and features in the embodiments of the present application can be arbitrarily combined with each other.

[0012] The present application discloses a method in a first node used for wireless communication, characterized by comprising:

[0013] Sending a first signal; receiving a second signal; determining a first timing advance;

[0014] Among them, the first signal triggers the second signal; the second signal is the echo signal of the first signal; the determination of the first timing advance depends on the first time length; the first time length depends on the time length between the sending time of the first signal and the receiving time of the second signal.

[0015] As an embodiment, the problem to be solved by this application includes: how to enable the UE to obtain the TA more efficiently.

[0016] As an embodiment, the problem to be solved by this application includes: if the ISAC function is introduced in NR, how to use the ISAC function to assist TA acquisition.

[0017] As an embodiment, the characteristics of the above method include: the second signal is an echo signal of the first signal.

[0018] As an embodiment, the characteristics of the above method include: determination of the first timing advance depends on a first time length; the first time length depends on a time length between a sending moment of the first signal and a receiving moment of the second signal.

[0019] As an embodiment, the benefits of the above method include: reducing signaling interaction.

[0020] As an embodiment, the benefits of the above method include: being conducive to improving TA timeliness.

[0021] As an embodiment, the benefits of the above method include: it is helpful to reduce the delay in the TA acquisition process.

[0022] As an embodiment, the benefits of the above method include: facilitating UE to perform TA estimation.

[0023] According to one aspect of the present application, it is characterized in that the determination of the first timing advance depends on a second time length; and the second time length depends on a first uplink parameter and a first downlink parameter.

[0024] As an embodiment, the benefits of the above method include: being facilitating determination of the offset caused by uplink and downlink physical layer parameters.

[0025] According to one aspect of the present application, it is characterized in that the determination of the first timing advance depends on a third time length, and the third time length depends on a third node; the third time length is preconfigured or the third time length is default.

[0026] As an example, the benefits of the above method include: facilitating determination of bias caused by deploying RIS.

[0027] According to one aspect of the present application, it is characterized in that a first RRC message is received, and the first RRC message includes a fourth time length; wherein the determination of the first timing advance depends on the fourth time length.

[0028] As an embodiment, the benefits of the above method include: facilitating determination of the offset caused by RRC pre-configuration.

[0029] As an embodiment, the benefits of the above method include: facilitating UE to perform TA estimation.

[0030] According to one aspect of the present application, it is characterized in that the second signal includes multiple physical signals, and the receiving time of the second signal depends on the receiving time of the multiple physical signals.

[0031] As an embodiment, the benefits of the above method include: it is helpful to reduce the impact of multipath effects on TA estimation.

[0032] According to one aspect of the present application, it is characterized by receiving first signaling, where the first signaling includes a Timing Advance Command field, where the Timing Advance Command field in the first signaling indicates a second timing advance; and starting or restarting a first timer in response to receiving the first signaling;

[0033] As an embodiment, the advantages of the above method include: simple implementation and little impact on existing protocols.

[0034] According to one aspect of the present application, it is characterized in that the first timer is started or restarted in response to the second signal being received.

[0035] As an embodiment, the benefits of the above method include: it is helpful to reduce signaling interaction.

[0036] The present application discloses a method used in a second node of wireless communication, characterized by comprising:

[0037] receiving a first signal;

[0038] sending a second signal;

[0039] Among them, the sender of the first signal determines the first timing advance; the first signal triggers the second signal; the second signal is an echo signal of the first signal; the determination of the first timing advance depends on a first time length; the first time length depends on the time length between the sending time of the first signal and the receiving time of the second signal.

[0040] According to one aspect of the present application, it is characterized in that the determination of the first timing advance depends on a second time length; and the second time length depends on a first uplink parameter and a first downlink parameter.

[0041] According to one aspect of the present application, it is characterized in that the determination of the first timing advance depends on a third time length, and the third time length depends on a third node; the third time length is preconfigured or the third time length is default.

[0042] According to one aspect of the present application, it is characterized by comprising:

[0043] Sending a first RRC message, where the first RRC message includes a fourth time length;

[0044] The determination of the first timing advance depends on a fourth time length.

[0045] According to one aspect of the present application, it is characterized in that the second signal includes multiple physical signals, and the receiving time of the second signal depends on the receiving time of the multiple physical signals.

[0046] According to one aspect of the present application, it is characterized by comprising:

[0047] Sending first signaling, the first signaling including a Timing Advance Command field, the Timing Advance Command field in the first signaling indicating a second timing advance; wherein, in response to receiving the first signaling, the sender of the first signal starts or restarts a first timer;

[0048] The behavior of sending the first signal depends on the expiration of the first timer.

[0049] According to one aspect of the present application, it is characterized by comprising:

[0050] The sender of the first signal starts or restarts the first timer in response to receipt of the second signal.

[0051] The present application discloses a first node used for wireless communication, characterized by comprising:

[0052] A first transmitter sends a first signal;

[0053] A first receiver receives a second signal and determines a first timing advance;

[0054] Among them, the first signal triggers the second signal; the second signal is the echo signal of the first signal; the determination of the first timing advance depends on the first time length; the first time length depends on the time length between the sending time of the first signal and the receiving time of the second signal.

[0055] The present application discloses a second node used for wireless communication, characterized by comprising:

[0056] a second receiver, receiving the first signal;

[0057] a second transmitter, transmitting a second signal;

[0058] Among them, the sender of the first signal determines the first timing advance; the first signal triggers the second signal; the second signal is an echo signal of the first signal; the determination of the first timing advance depends on a first time length; the first time length depends on the time length between the sending time of the first signal and the receiving time of the second signal.

[0059] As an example, compared with traditional solutions, this application has the following advantages:

[0060] -. It is beneficial to optimize the TA acquisition process by combining the ISAC function;

[0061] -. It helps to reduce the signaling interaction during the TA acquisition process;

[0062] -. It is helpful to reduce the delay in the TA acquisition process;

[0063] -.It is helpful for UE to estimate TA;

[0064] -.It is conducive to achieving network integration. BRIEF DESCRIPTION OF THE DRAWINGS

[0065] Other features, objects and advantages of the present application will become more apparent upon reading the detailed description of non-limiting embodiments with reference to the following drawings:

[0066] FIG1 shows a flow chart of communication according to an embodiment of the present application;

[0067] FIG2 shows a schematic diagram of a network architecture according to an embodiment of the present application;

[0068] FIG3 is a schematic diagram showing an embodiment of a radio protocol architecture of a user plane and a control plane according to an embodiment of the present application;

[0069] FIG4 shows a schematic diagram of a first communication device and a second communication device according to an embodiment of the present application;

[0070] FIG5 shows a wireless signal transmission flow chart according to an embodiment of the present application;

[0071] FIG6 is a schematic diagram showing the relationship between the first timing advance and the second time length, and the first uplink parameter and the first downlink parameter according to an embodiment of the present application;

[0072] FIG7 shows a schematic diagram of the relationship between the first timing advance, the third time length, and the third node according to an embodiment of the present application;

[0073] FIG8 is a schematic diagram showing a relationship between a first RRC message and a first timing advance according to an embodiment of the present application;

[0074] FIG9 is a schematic diagram showing a relationship between a second signal and its receiving time and multiple physical signals according to an embodiment of the present application;

[0075] FIG10 is a schematic diagram showing how determination of a first timing advance depends on a second time length according to an embodiment of the present application;

[0076] FIG11 shows a structural block diagram of a processing device used in a first node according to an embodiment of the present application;

[0077] FIG12 shows a structural block diagram of a processing device used in a second node according to an embodiment of the present application;

[0078] FIG13 is a schematic diagram showing time domain resources occupied by a first signal and a second signal according to an embodiment of the present application;

[0079] FIG14 shows a schematic diagram of an artificial intelligence processing system according to an embodiment of the present application;

[0080] FIG15 shows a schematic diagram of an artificial intelligence processing system according to another embodiment of the present application. DETAILED DESCRIPTION

[0081] The technical solution of the present application will be further described in detail below in conjunction with the accompanying drawings. It should be noted that, unless there is a conflict, the embodiments and features in the embodiments of the present application can be combined with each other in any way.

[0082] Example 1

[0083] Example 1 illustrates a flow chart of communication according to an embodiment of the present application, as shown in Figure 1. In Figure 1, each box represents a step, and it should be emphasized that the order of the boxes in the figure does not represent the temporal sequence between the steps represented.

[0084] In Example 1, the first node in the present application sends a first signal in step 101; receives a second signal in step 102; and determines a first timing advance in step 103; wherein the first signal triggers the second signal; the second signal is an echo signal of the first signal; the determination of the first timing advance depends on a first time length; the first time length depends on the time length between the sending moment of the first signal and the receiving moment of the second signal.

[0085] As an embodiment, the first signal is a physical signal.

[0086] As an embodiment, the first signal is a physical layer signal.

[0087] As an embodiment, the first signal is a radar signal.

[0088] As an embodiment, the first signal is a perception signal.

[0089] As an embodiment, the first signal carries user data.

[0090] As an embodiment, the first signal does not carry user data.

[0091] As an embodiment, the first signal carries information.

[0092] As an embodiment, the first signal does not carry information.

[0093] As an embodiment, the first signal is a signal in a physical channel dedicated to perception.

[0094] As an embodiment, the first signal is preconfigured.

[0095] As an embodiment, the first signal is periodic.

[0096] As an embodiment, the first signal is semi-continuous.

[0097] As an embodiment, the first signal is not a preamble signal.

[0098] As an embodiment, the first signal is one of multiple signals in a first signal set.

[0099] As an embodiment, the first signal set is periodic.

[0100] As an embodiment, the first signal set is preconfigured.

[0101] As an embodiment, the second signal is a physical signal.

[0102] As an embodiment, the second signal is a physical signal.

[0103] As an embodiment, the second signal includes multiple physical signals.

[0104] As an embodiment, the second signal is a physical layer signal.

[0105] As an embodiment, the second signal is an echo signal of the first signal.

[0106] As an embodiment, the format of the second signal is the same as the format of the first signal.

[0107] As an embodiment, the waveform of the second signal is the same as the waveform of the first signal.

[0108] As an embodiment, the second signal is sent on a physical channel dedicated to perception.

[0109] As an embodiment, the second signal is a radar reflection signal.

[0110] As an embodiment, the second signal is a modulated signal.

[0111] As an embodiment, the second signal is an unmodulated signal.

[0112] As an embodiment, the physical layer parameters sent by the second signal are predefined.

[0113] As an embodiment, the physical layer parameters sent by the second signal are preconfigured.

[0114] As an embodiment, the physical layer parameters sent by the second signal are related to the first signal.

[0115] As an embodiment, the time-frequency resources occupied by the second signal depend on the first signal.

[0116] As an embodiment, the time-frequency resources occupied by the second signal depend on the reception of the first signal.

[0117] As an embodiment, the time-frequency resources occupied by the second signal depend on the environment in which the first node is located.

[0118] As an embodiment, the time-frequency resources occupied by the second signal are indicated by the first signal.

[0119] As an embodiment, the time domain resources occupied by the second signal are preconfigured.

[0120] As an embodiment, the time domain resources occupied by the second signal depend on the first signal.

[0121] As an embodiment, the second signal does not include any Timing Advance Command field.

[0122] As an embodiment, the second signal does not include any field indicating TA.

[0123] As an embodiment, the reception of the second signal depends on the first signal.

[0124] As an embodiment, the detection of the second signal depends on the first signal.

[0125] As an embodiment, the second signal includes all information of the first signal.

[0126] As an embodiment, the second signal includes partial information of the first signal.

[0127] As an embodiment, the second signal is the first signal.

[0128] As an embodiment, the action that the first signal triggers the second signal means that the second signal is a signal that the first signal is reflected, refracted, or scattered by the second node.

[0129] As an embodiment, the action of the first signal triggering the second signal means that the second node sends the second signal when receiving the first signal.

[0130] As an embodiment, the action of the first signal triggering the second signal means that the second node sends the second signal after receiving the first signal.

[0131] As an embodiment, the action of the first signal triggering the second signal means that the second node sends the second signal a period of time after receiving the first signal.

[0132] As an embodiment, the action of the first signal triggering the second signal means that after the second node receives the first signal, it sends the second signal according to the configuration.

[0133] As an embodiment, the action that the first signal triggers the second signal means that the second signal is a signal of the first signal reflected, refracted, or transmitted by the RIS panel at the second node.

[0134] As an embodiment, the second signal is an echo signal of the first signal, which means that the second signal is a signal obtained by reflection, scattering or refracting the first signal by the second node.

[0135] As an embodiment, the second signal is an echo signal of the first signal, which means that the second signal is a signal of the first signal after being reflected, scattered, refracted, or transmitted by the second node or the RIS panel at the second node.

[0136] As an embodiment, the second signal is an echo signal of the first signal, which means that the second signal is an echo signal generated by the first signal passing through the second node; and the second transmitter has no gain for the second signal.

[0137] As an embodiment, the first timing advance is the uplink time advance (TA) of the first node.

[0138] As an embodiment, the first timing advance is used for at least the first cell.

[0139] As an embodiment, the first cell is a service cell of the first node.

[0140] As an embodiment, the first timing advance is used for uplink time alignment (UL time alignment) of at least the first cell.

[0141] As an embodiment, the first timing advance is used for uplink time alignment of each cell in at least the first TAG.

[0142] As an embodiment, the first timing advance is used for at least a first TAG; the first TAG includes at least a first cell.

[0143] As an embodiment, the first timing advance is used by a MAC entity to control a timing adjustment amount.

[0144] As an embodiment, any cell in the first TAG is a service cell of the first node.

[0145] As an embodiment, the serving cell refers to PCell.

[0146] As an embodiment, the serving cell refers to a PSCell.

[0147] As an embodiment, the serving cell refers to SCell.

[0148] As an embodiment, the determination of the first timing advance depends on the first time length, which means that the calculation of the first timing advance depends on the first time length.

[0149] As an embodiment, the determination of the first timing advance depends on the first time length, which means that the first timing advance is related to the first time length.

[0150] As an embodiment, the determination of the first timing advance value being dependent on the first time length means that the first timing advance value is linearly correlated with the first time length.

[0151] As an embodiment, the determination of the first timing advance depends on the first time length, which means that the first timing advance is expressed in the form of the sum of the first time length and certain other items.

[0152] As an embodiment, the determination of the first timing advance depends on the first time length, which means that the first time length is the time length between the sending time of the first signal and the receiving time of the second signal.

[0153] As an embodiment, the sending time of the first signal is the time when the first symbol of the first signal is sent.

[0154] As an embodiment, the sending time of the first signal is the time when the last symbol of the first signal is sent.

[0155] As an embodiment, the receiving time of the second signal is the receiving time of one physical signal among the multiple physical signals; the second signal includes multiple physical signals.

[0156] As an embodiment, the receiving moment of the second signal is the moment when the first symbol of the second signal is received.

[0157] As an embodiment, the receiving moment of the second signal is the moment when the last symbol of the second signal is received.

[0158] As an embodiment, the reception time of the second signal refers to: the time when the first node receives and confirms the second signal.

[0159] As an embodiment, the reception time of the second signal refers to: the time when the first node receives and correctly decodes the second signal.

[0160] As an embodiment, the receiving time of the second signal refers to: the receiving time of the strongest path of the second signal.

[0161] As an embodiment, the reception time of the second signal refers to: the time corresponding to the maximum peak among one or more peaks after the first node performs domain transformation on the reception matrix of the second signal along the subcarrier sequence or symbol sequence.

[0162] As an embodiment, the determination of the first timing advance depends on the sending of the first signal and the reception of the second signal; the sending of the first signal includes the sending time of the first signal; the receiving of the second signal includes the receiving time of the second signal.

[0163] As an embodiment, the determination of the first timing advance depends only on the first time length.

[0164] As an embodiment, the determination of the first timing advance depends only on at least the first time length.

[0165] As an embodiment, determination of the first timing advance depends on the first time length and the first time offset.

[0166] As an embodiment, the first time offset is used to correct the first time length.

[0167] As an embodiment, the first time offset depends on a measurement of the second signal.

[0168] As an embodiment, the first time offset depends on measurement result information of the second signal.

[0169] As a sub-embodiment of the above embodiment, the measurement result information of the second signal refers to the RSRP of the second signal.

[0170] As a sub-embodiment of the above embodiment, the measurement result information of the second signal refers to radar perception information.

[0171] As a sub-embodiment of the above embodiment, the measurement result information of the second signal refers to ISAC perception information.

[0172] As a sub-embodiment of the above embodiment, the measurement result information of the second signal refers to distance information.

[0173] As a sub-embodiment of the above embodiment, the measurement result information of the second signal refers to speed information.

[0174] As a sub-embodiment of the above embodiment, the measurement result information of the second signal refers to angle information.

[0175] As an embodiment, determining the first timing advance refers to determining a value of the first timing advance.

[0176] As an embodiment, determining the first timing advance refers to determining an adjustment value of the first timing advance.

[0177] As an embodiment, the first time length is equal to the time length between the sending moment of the first signal and the receiving moment of the second signal.

[0178] As an embodiment, the first time length is equal to ((floor(time length between the sending moment of the first signal and the receiving moment of the second signal / first time unit))first time unit).

[0179] As an embodiment, the first time length is equal to ((Ceil(time length between the sending moment of the first signal and the receiving moment of the second signal / first time unit))first time unit).

[0180] As an embodiment, the first time length is equal to ((round (time length between the sending moment of the first signal and the receiving moment of the second signal / first time unit)) first time unit).

[0181] As an embodiment, the first time unit is one time unit.

[0182] As an embodiment, the first time unit is a basic time unit.

[0183] As an embodiment, the first time unit is Tc.

[0184] As an embodiment, the first time unit is Ts.

[0185] As an embodiment, the first time unit is a basic time unit of 6G communication.

[0186] As an embodiment, the first node supports ISAC.

[0187] As an embodiment, the second node supports ISAC.

[0188] As an embodiment, the second node supports RIS.

[0189] As an embodiment, when the first node supports ISAC, determination of the first timing advance depends on at least one of a first time length and a second time length.

[0190] As an embodiment, when at least the first node supports ISAC, determination of the first timing advance depends on at least one of a first time length and a second time length.

[0191] Example 2

[0192] Embodiment 2 illustrates a packet-switched service according to the present application. However, those skilled in the art will readily appreciate that the various concepts presented throughout this application can be extended to networks providing circuit-switched services or other cellular networks. The RAN includes node 203 and other nodes 204. Node 203 provides user and control plane protocol termination towards UE 201. Node 203 can be connected to other nodes 204 via an Xn interface (e.g., backhaul) / X2 interface. Node 203 may also be referred to as a base station, base transceiver station, radio base station, radio transceiver, transceiver function, basic service set (BSS), extended service set (ESS), TRP (transmitter / receiver node), or some other appropriate terminology. Node 203 provides an access point to the 5GC / EPC 210 for UE 201. Examples of UE 201 include a cellular phone, a smartphone, a Session Initiation Protocol (SIP) phone, a laptop computer, a personal digital assistant (PDA), a satellite radio, non-terrestrial base station communications, satellite mobile communications, a global positioning system, a multimedia device, a video device, a digital audio player (e.g., an MP3 player), a camera, a game console, a drone, an aircraft, a narrowband Internet of Things device, a machine type communication device, a land vehicle, an automobile, a wearable device, or any other similarly functional device. Those skilled in the art may also refer to UE 201 as a mobile station, a subscriber station, a mobile unit, a subscriber unit, a wireless unit, a remote unit, a mobile device, a wireless device, a wireless communication device, a remote device, a mobile subscriber station, an access terminal, a mobile terminal, a wireless terminal, a remote terminal, a handset, a user agent, a mobile client, a client, or some other suitable terminology. Node 203 connects to the 5GC / EPC 210 via the S1 / NG interface. The 5GC / EPC 210 includes the MME (Mobility Management Entity) / AMF (Authentication Management Field) / SMF (Session Management Function) 211, other MMEs / AMFs / SMFs 214, the S-GW (Service Gateway) / UPF (User Plane Function) 212, and the P-GW (Packet Data Network Gateway) / UPF 213. The MME / AMF / SMF 211 is a control node that handles signaling between the UE 201 and the 5GC / EPC 210. Generally, the MME / AMF / SMF 211 provides bearer and connection management.All user IP (Internet Protocol) packets are transmitted through the S-GW / UPF 212, which is itself connected to the P-GW / UPF 213. The P-GW provides UE IP address allocation and other functions. The P-GW / UPF 213 is connected to the Internet Services 230. The Internet Services 230 includes operator-specific Internet Protocol services, which may include the Internet, intranet, IMS (IP Multimedia Subsystem), and packet-switched streaming services.

[0193] As an embodiment, the UE201 corresponds to the first node in this application.

[0194] As an embodiment, the UE 201 is a user equipment (UE).

[0195] As an embodiment, the UE 201 is a base station (BS).

[0196] As an embodiment, the UE 201 is a relay device.

[0197] As an embodiment, the UE 201 is a gateway device.

[0198] As an embodiment, the node 203 corresponds to the second node in this application.

[0199] As an embodiment, the node 203 is a base station device.

[0200] As an embodiment, the node 203 is a user equipment.

[0201] As an embodiment, the node 203 is a relay device.

[0202] As an embodiment, the node 203 is a gateway device.

[0203] As an embodiment, the user equipment supports ISAC.

[0204] As an embodiment, the user equipment supports radar.

[0205] As an embodiment, the user equipment supports transmission of a non-terrestrial network (NTN).

[0206] As an embodiment, the user equipment supports transmission via a terrestrial network (Terrestrial Network).

[0207] As an embodiment, the user equipment supports dual connection (DC) transmission.

[0208] As an embodiment, the user equipment includes an aircraft.

[0209] As an embodiment, the user equipment includes a vehicle-mounted terminal.

[0210] As an embodiment, the user equipment includes a vessel.

[0211] As an embodiment, the user equipment includes an Internet of Things terminal.

[0212] As an embodiment, the user equipment includes a terminal of the Industrial Internet of Things.

[0213] As an embodiment, the user equipment includes a device that supports low-latency and high-reliability transmission.

[0214] As an embodiment, the user equipment includes a test device.

[0215] As an embodiment, the user equipment includes a signaling tester.

[0216] As an embodiment, the user equipment includes an IAB (Integrated Access and Backhaul)-MT (Mobile Termination).

[0217] As an embodiment, the base station device supports ISAC.

[0218] As an embodiment, the base station device supports radar.

[0219] As an embodiment, the base station device supports transmission in a non-terrestrial network.

[0220] As an embodiment, the base station device supports transmission of a terrestrial network.

[0221] As an embodiment, the base station equipment includes a base transceiver station (Base Transceiver Station, BTS).

[0222] As an embodiment, the base station device includes a Node B (NB).

[0223] As an embodiment, the base station device includes a gNB.

[0224] As an embodiment, the base station device includes an eNB.

[0225] As an embodiment, the base station device includes ng-eNB.

[0226] As an embodiment, the base station device includes an en-gNB.

[0227] As an embodiment, the base station device includes a CU (Centralized Unit).

[0228] As an embodiment, the base station device includes a DU (Distributed Unit).

[0229] As an embodiment, the base station device includes a TRP (Transmitter Receiver Point).

[0230] As an embodiment, the base station device includes a macro cellular (Marco Cellular) base station.

[0231] As an embodiment, the base station device includes a micro cell base station.

[0232] As an embodiment, the base station device includes a pico cell (Pico Cell) base station.

[0233] As an embodiment, the base station device includes a home base station (Femtocell).

[0234] As an embodiment, the base station device includes a flying platform device.

[0235] As an embodiment, the base station device includes a satellite device.

[0236] As an embodiment, the base station device includes a testing device.

[0237] As an embodiment, the base station equipment includes a signaling tester.

[0238] As an embodiment, the base station device includes a gateway device.

[0239] As an embodiment, the base station device includes an IAB-node.

[0240] As an embodiment, the base station device includes an IAB-donor.

[0241] As an embodiment, the base station device includes an IAB-donor-CU.

[0242] As an embodiment, the base station device includes an IAB-donor-DU.

[0243] As an embodiment, the base station device includes an IAB-DU.

[0244] As an embodiment, the base station device includes an IAB-MT.

[0245] As an embodiment, the relay device includes a relay.

[0246] As an embodiment, the relay device includes L3 relay.

[0247] As an embodiment, the relay device includes L2 relay.

[0248] As an embodiment, the relay device includes a router.

[0249] As an embodiment, the relay device includes a switch.

[0250] As an embodiment, the relay device includes a gateway device.

[0251] As an embodiment, the relay device includes user equipment.

[0252] As an embodiment, the relay device includes a base station device.

[0253] Example 3

[0254] Embodiment 3 illustrates a schematic diagram of an embodiment of a radio protocol architecture for a user plane and a control plane according to the present application, as shown in FIG3 . FIG3 is a schematic diagram illustrating an embodiment of a radio protocol architecture for a user plane 350 and a control plane 300. FIG3 illustrates the radio protocol architecture for the control plane 300 using three layers: Layer 1, Layer 2, and Layer 3. Layer 1 (L1 layer) is the lowest layer and implements various PHY (physical layer) signal processing functions. The L1 layer will be referred to herein as PHY 301. Layer 2 (L2 layer) 305 is above PHY 301 and includes a MAC (Medium Access Control) sublayer 302, an RLC (Radio Link Control) sublayer 303, and a PDCP (Packet Data Convergence Protocol) sublayer 304. The PDCP sublayer 304 provides multiplexing between different radio bearers and logical channels. The PDCP sublayer 304 also provides security by encrypting data packets and supports inter-zone mobility. The RLC sublayer 303 provides segmentation and reassembly of upper layer data packets, retransmission of lost data packets, and reordering of data packets to compensate for out-of-order reception due to HARQ (Hybrid Automatic Repeat Request). The MAC sublayer 302 provides multiplexing between logical and transport channels. The MAC sublayer 302 is also responsible for allocating various radio resources (e.g., resource blocks) within a cell. The MAC sublayer 302 is also responsible for HARQ operations. The RRC (Radio Resource Control) sublayer 306 in Layer 3 (L3) of the control plane 300 is responsible for obtaining radio resources (i.e., radio bearers) and configuring lower layers using RRC signaling. The radio protocol architecture of the user plane 350 includes Layer 1 (L1) and Layer 2 (L2). The radio protocol architecture in the user plane 350 is generally identical to the corresponding layers and sublayers in the control plane 300, including the physical layer 351, the PDCP sublayer 354 in the L2 layer 355, the RLC sublayer 353 in the L2 layer 355, and the MAC sublayer 352 in the L2 layer 355. However, the PDCP sublayer 354 also provides header compression for upper layer packets to reduce radio transmission overhead. The L2 layer 355 in the user plane 350 also includes the SDAP (Service Data Adaptation Protocol) sublayer 356, which is responsible for mapping QoS flows to data radio bearers (DRBs) to support service diversity.

[0255] As an embodiment, the wireless protocol architecture in FIG3 is applicable to the first node in this application.

[0256] As an embodiment, the wireless protocol architecture in FIG3 is applicable to the second node in this application.

[0257] As an embodiment, the first signal in the present application is generated by the MAC302 or MAC352.

[0258] As an embodiment, the first signal in the present application is generated by the PHY301 or PHY351.

[0259] As an embodiment, the second signal in the present application is generated by the MAC302 or MAC352.

[0260] As an embodiment, the second signal in the present application is generated by the PHY301 or PHY351.

[0261] As an embodiment, the first RRC message in this application is generated in the RRC306.

[0262] As an embodiment, the first signaling in this application is generated in the RRC306.

[0263] As an embodiment, the first signaling in the present application is generated by the MAC302 or MAC352.

[0264] Example 4

[0265] Embodiment 4 shows a schematic diagram of a first communication device and a second communication device according to the present application, as shown in Figure 4. Figure 4 is a block diagram of a first communication device 450 and a second communication device 410 communicating with each other in an access network.

[0266] The first communication device 450 includes a controller / processor 459 , a memory 460 , a data source 467 , a transmit processor 468 , a receive processor 456 , a multi-antenna transmit processor 457 , a multi-antenna receive processor 458 , a transmitter / receiver 454 and an antenna 452 .

[0267] The second communication device 410 includes a controller / processor 475 , a memory 476 , a receive processor 470 , a transmit processor 416 , a multi-antenna receive processor 472 , a multi-antenna transmit processor 471 , a transmitter / receiver 418 , and an antenna 420 .

[0268] During transmission from the second communication device 410 to the first communication device 450, upper layer data packets from the core network are provided to the controller / processor 475 at the second communication device 410. The controller / processor 475 implements L2 layer functionality. During transmission from the second communication device 410 to the first communication device 450, the controller / processor 475 provides header compression, encryption, packet segmentation and reordering, multiplexing between logical and transport channels, and radio resource allocation to the first communication device 450 based on various priority metrics. The controller / processor 475 is also responsible for retransmission of lost packets and signaling to the first communication device 450. The transmit processor 416 and the multi-antenna transmit processor 471 implement various signal processing functions for the L1 layer (i.e., the physical layer). The transmit processor 416 implements coding and interleaving to facilitate forward error correction (FEC) at the second communication device 410, as well as mapping of signal constellations based on various modulation schemes (e.g., binary phase-shift keying (BPSK), quadrature phase-shift keying (QPSK), M-phase-shift keying (M-PSK), and M-quadrature amplitude modulation (M-QAM)). The multi-antenna transmit processor 471 performs digital spatial precoding, including codebook-based and non-codebook-based precoding, and beamforming on the coded and modulated symbols to generate one or more spatial streams. The transmit processor 416 then maps each spatial stream to a subcarrier, multiplexes it with a reference signal (e.g., a pilot) in the time and / or frequency domain, and then uses an inverse fast Fourier transform (IFFT) to generate a physical channel carrying the time-domain multicarrier symbol stream. The multi-antenna transmit processor 471 then performs transmit analog precoding / beamforming operations on the time-domain multicarrier symbol stream. Each transmitter 418 converts the baseband multi-carrier symbol stream provided by the multi-antenna transmit processor 471 into a radio frequency stream, and then provides it to a different antenna 420.

[0269] During transmission from the second communication device 410 to the first communication device 450, at the first communication device 450, each receiver 454 receives a signal via its corresponding antenna 452. Each receiver 454 recovers the information modulated onto the RF carrier and converts the RF stream into a baseband multi-carrier symbol stream, which is provided to the receive processor 456. The receive processor 456 and the multi-antenna receive processor 458 implement various L1 signal processing functions. The multi-antenna receive processor 458 performs receive analog precoding / beamforming operations on the baseband multi-carrier symbol stream from the receiver 454. The receive processor 456 converts the baseband multi-carrier symbol stream, after the receive analog precoding / beamforming operations, from the time domain to the frequency domain using a fast Fourier transform (FFT). In the frequency domain, the receive processor 456 demultiplexes the physical layer data signal and reference signal, where the reference signal is used for channel estimation. The data signal undergoes multi-antenna detection in the multi-antenna receive processor 458 to recover any spatial streams destined for the first communication device 450. The symbols on each spatial stream are demodulated and recovered in the receive processor 456, and soft decisions are generated. The receive processor 456 then decodes and deinterleaves the soft decisions to recover the upper layer data and control signals transmitted by the second communication device 410 on the physical channel. The upper layer data and control signals are then provided to the controller / processor 459. The controller / processor 459 implements the functions of the L2 layer. The controller / processor 459 may be associated with a memory 460 that stores program code and data. The memory 460 may be referred to as a computer-readable medium. During transmission from the second communication device 410 to the second communication device 450, the controller / processor 459 provides demultiplexing between transport and logical channels, packet reassembly, decryption, header decompression, and control signal processing to recover upper layer data packets from the core network. The upper layer data packets are then provided to all protocol layers above the L2 layer. Various control signals may also be provided to the L3 layer for L3 processing.

[0270] During transmission from the first communication device 450 to the second communication device 410, a data source 467 is used at the first communication device 450 to provide upper layer data packets to the controller / processor 459. The data source 467 represents all protocol layers above the L2 layer. Similar to the transmission functionality at the second communication device 410 described in the transmission from the second communication device 410 to the first communication device 450, the controller / processor 459 implements header compression, encryption, packet segmentation and reordering, and multiplexing between logical and transport channels based on radio resource allocation, implementing L2 layer functions for the user plane and control plane. The controller / processor 459 is also responsible for retransmission of lost packets and signaling to the second communication device 410. The transmit processor 468 performs modulation mapping and channel coding, while the multi-antenna transmit processor 457 performs digital multi-antenna spatial precoding, including codebook-based and non-codebook-based precoding, and beamforming. The transmit processor 468 then modulates the resulting spatial stream into a multi-carrier / single-carrier symbol stream. After analog precoding and beamforming operations in the multi-antenna transmit processor 457, the stream is provided to different antennas 452 via the transmitter 454. Each transmitter 454 first converts the baseband symbol stream provided by the multi-antenna transmit processor 457 into a RF symbol stream before providing it to the antenna 452.

[0271] During transmission from the first communications device 450 to the second communications device 410, the functionality at the second communications device 410 is similar to the reception functionality at the first communications device 450 described for transmission from the second communications device 410 to the first communications device 450. Each receiver 418 receives RF signals via its corresponding antenna 420, converts the received RF signals into baseband signals, and provides the baseband signals to a multi-antenna receive processor 472 and a receive processor 470. The receive processor 470 and the multi-antenna receive processor 472 collectively implement L1 layer functionality. A controller / processor 475 implements L2 layer functionality. The controller / processor 475 may be associated with a memory 476 storing program codes and data. The memory 476 may be referred to as a computer-readable medium. During transmission from the first communications device 450 to the second communications device 410, the controller / processor 475 provides demultiplexing between transport and logical channels, packet reassembly, decryption, header decompression, and control signal processing to recover upper layer data packets from the UE 450. Upper layer packets from controller / processor 475 may be provided to the core network.

[0272] As an embodiment, the first communication device 450 includes: at least one processor and at least one memory, the at least one memory including computer program code; the at least one memory and the computer program code are configured to be used together with the at least one processor, and the first communication device 450 at least: sends a first signal; receives a second signal; determines a first timing advance; wherein the first signal triggers the second signal; the second signal is an echo signal of the first signal; the determination of the first timing advance depends on a first time length; the first time length depends on the time length between the sending moment of the first signal and the receiving moment of the second signal.

[0273] As an embodiment, the first communication device 450 includes: a memory storing a computer-readable instruction program, wherein the computer-readable instruction program generates actions when executed by at least one processor, and the actions include: sending a first signal; receiving a second signal; determining a first timing advance; wherein the first signal triggers the second signal; the second signal is an echo signal of the first signal; the determination of the first timing advance depends on a first time length; the first time length depends on the time length between the sending moment of the first signal and the receiving moment of the second signal.

[0274] As an embodiment, the second communication device 410 corresponds to the second node in this application; the second communication device 410 includes: at least one processor and at least one memory, the at least one memory including computer program code; the at least one memory and the computer program code are configured to be used together with the at least one processor. The second communication device 410 at least: receives a first signal; sends a second signal; wherein the first signal triggers the second signal; the second signal is an echo signal of the first signal; the determination of the first timing advance depends on a first time length; the first time length depends on the time length between the time when the first signal is sent and the time when the second signal is received.

[0275] As an embodiment, the second communication device 410 corresponds to the second node in the present application; the second communication device 410 includes: a memory storing a computer-readable instruction program, and the computer-readable instruction program generates an action when executed by at least one processor, and the action includes: receiving a first signal; sending a second signal; wherein the first signal triggers the second signal; the second signal is an echo signal of the first signal; the determination of the first timing advance depends on a first time length; the first time length depends on the time length between the sending moment of the first signal and the receiving moment of the second signal.

[0276] As an embodiment, at least one of the antenna 452, the receiver 454, the receiving processor 456, and the controller / processor 459 is used to receive a first RRC message.

[0277] As an embodiment, at least one of the antenna 420, the transmitter 418, the transmit processor 416, and the controller / processor 475 is used to send a first RRC message.

[0278] As an embodiment, at least one of the antenna 452 , the receiver 454 , the receive processor 456 , and the controller / processor 459 is used to receive a second signal.

[0279] As an embodiment, at least one of the antenna 420, the transmitter 418, the transmit processor 416, and the controller / processor 475 is used to transmit a second signal.

[0280] As an embodiment, at least one of the antenna 452 , the receiver 454 , the receiving processor 456 , and the controller / processor 459 is used to receive first signaling.

[0281] As an embodiment, at least one of the antenna 420, the transmitter 418, the transmit processor 416, and the controller / processor 475 is used to send the first signaling.

[0282] As an embodiment, at least one of the antenna 452, the transmitter 454, the transmit processor 468, and the controller / processor 459 is used to transmit a first signal.

[0283] As an embodiment, at least one of the antenna 420 , the receiver 418 , the receive processor 470 , and the controller / processor 475 is configured to receive a first signal.

[0284] As an embodiment, the first communication device 450 corresponds to the first node in this application.

[0285] As an embodiment, the second communication device 410 corresponds to the second node in this application.

[0286] As an embodiment, the first communication device 450 is a user equipment.

[0287] As an embodiment, the first communication device 450 is a base station device.

[0288] As an embodiment, the first communication device 450 is a relay device.

[0289] As an embodiment, the second communication device 410 is a user equipment.

[0290] As an embodiment, the second communication device 410 is a base station device.

[0291] As an embodiment, the second communication device 410 is a relay device.

[0292] Example 5

[0293] Example 5 illustrates a wireless signal transmission flow chart according to an embodiment of the present application, as shown in FIG5. It should be noted that the order in this example does not limit the signal transmission order and implementation order in the present application.

[0294] For the first node U01, in step S5101, a first signaling is received; in step S5102, a first timer is started or restarted as a response to the reception of the first signaling; in step S5103, a first signal is sent; in step S5104, a second signal is received; in step S5105, a first timing advance is determined; in step S5106, the first timer is started or restarted as a response to the reception of the second signal.

[0295] For the second node N02, in step S5201, a first signaling is sent; in step S5202, a first signal is received; and in step S5203, a second signal is sent.

[0296] In Example 5, the first signal triggers the second signal; the second signal is an echo signal of the first signal; the determination of the first timing advance depends on a first time length; the first time length depends on the time length between the sending time of the first signal and the receiving time of the second signal.

[0297] As an embodiment, the first signaling includes a Timing Advance Command field, and the Timing Advance Command field in the first signaling indicates a second timing advance; the behavior of sending the first signal depends on the expiration of the first timer.

[0298] As an embodiment, step S5105 is optional.

[0299] As an embodiment, step S5105 exists.

[0300] As an embodiment, step S5105 does not exist.

[0301] As an embodiment, the dotted box F5.1 is optional.

[0302] As an embodiment, the dotted box F5.1 exists.

[0303] As an embodiment, the dotted box F5.1 does not exist.

[0304] As an embodiment, the action of starting or restarting the first timer in response to the receipt of the second signal means that the acceptance of the second signal triggers the start or restart of the first timer.

[0305] As an embodiment, the action of starting or restarting the first timer as a response to the receipt of the second signal means: starting or restarting the first timer after the second signal is received.

[0306] As an embodiment, the action of starting or restarting the first timer as a response to the reception of the second signal means that after the second signal is received, the behavior of the first node completing the estimation of the first timing advance triggers the start or restart of the first timer.

[0307] As an embodiment, when the first timer is restarted or started, the length of the first timer depends on the second signal.

[0308] As a sub-embodiment of the above embodiment, the length of the first timer is related to a distance estimation value estimated by the first node through the second signal.

[0309] As a sub-embodiment of the above embodiment, the length of the first timer is related to the size of the first timing advance estimated by the first node through the second signal.

[0310] As a sub-embodiment of the above embodiment, the length of the first timer is related to a speed estimation value estimated by the first node through the second signal.

[0311] As a sub-embodiment of the above embodiment, the length of the first timer is related to the accuracy of distance estimation estimated by the first node through the second signal.

[0312] As a sub-embodiment of the above embodiment, the length of the first timer is related to the speed estimation accuracy estimated by the first node through the second signal.

[0313] As a sub-embodiment of the above embodiment, the length of the first timer is related to the first node position estimated by the first node through the second signal.

[0314] As an embodiment, the first signaling is received earlier than the first signal is sent.

[0315] As an embodiment, the reception of the first signaling is later than the sending of the first signal.

[0316] As an embodiment, the first signaling is received during a random access process; and the first signaling is monitored in response to the first message being sent.

[0317] As a sub-embodiment of the above embodiment, the first message is a Preamble.

[0318] As a sub-embodiment of the above embodiment, the first message is an MSGA.

[0319] As a sub-embodiment of the above embodiment, when the first signaling is received, the ra-ResponseWindow is running; and as a response to the first message being sent, the ra-ResponseWindow is started.

[0320] As a sub-embodiment of the above embodiment, when the first signaling is received, msgB-ResponseWindow is running; as a response to the first message being sent, the msgB-ResponseWindow is started.

[0321] As an embodiment, the first signaling is not received during a random access process.

[0322] As a sub-embodiment of the above embodiment, the first signaling includes a TAG ID field, and the TAG ID field indicates the first TAG.

[0323] As an embodiment, the first signaling includes a Timing Advance Command field, and the first signaling indicates the first cell.

[0324] As a sub-embodiment of the above embodiment, the configuration information of the first cell is applied as a response to the first signaling being received.

[0325] As an embodiment, the second timing advance and the first timing advance are both used for the first cell.

[0326] As an embodiment, the second timing advance and the first timing advance are both used for the first TAG.

[0327] As an embodiment, the second timing advance is an adjustment value of the timing advance.

[0328] As an embodiment, the second timing advance is an initial value of the timing advance.

[0329] As an embodiment, the Timing Advance Command field in the first signaling occupies 12 bits.

[0330] As an embodiment, the Timing Advance Command field in the first signaling occupies 6 bits.

[0331] As an embodiment, the first signaling is transmitted via PDSCH.

[0332] As an embodiment, the first signaling is an RRC message.

[0333] As an embodiment, the first signaling is a MAC CE.

[0334] As an embodiment, the first signaling is a Timing Advance Command MAC CE.

[0335] As an embodiment, the first signaling is an Absolute Timing Advance Command MAC CE.

[0336] As an embodiment, the first signaling is a RAR.

[0337] As an embodiment, the first signaling is a MAC RAR.

[0338] As an embodiment, the first signaling is a fallbackRAR.

[0339] As an embodiment, the first signaling is a successRAR.

[0340] As an embodiment, the first signaling is a handover command.

[0341] As an embodiment, the first signaling is an LTM Switch Command.

[0342] As an embodiment, the first signaling is transmitted via PDCCH.

[0343] As an embodiment, the first signaling is a DCI.

[0344] As an embodiment, the phrase determining the first timing advance refers to: the first node determining the first timing advance through the output of an artificial intelligence processing system.

[0345] As an embodiment, the TAC (Timing Advance Command) field in the first signaling of the action indicating the second timing advance means that the TAC field indicates the second timing advance through open-loop control.

[0346] As a sub-embodiment of the above embodiment, the value of T_A in the TAC field in the first signaling is 0 to 3846.

[0347] As an embodiment, the action in which the TAC field in the first signaling indicates the second timing advance means that the TAC field indicates the second timing advance through closed-loop control.

[0348] As a sub-embodiment of the above embodiment, the value of T_A in the TAC field in the first signaling is 0 to 63.

[0349] As an embodiment, the second timing advance is related to the TAC field and subcarrier spacing in the first signaling.

[0350] As an embodiment, the first timer is a TAT.

[0351] As an embodiment, the first timer is a timeAlignmentTimer.

[0352] As an embodiment, the length of the first timer is based on configuration.

[0353] As an embodiment, the first timer is configured per TAG.

[0354] As an embodiment, the length of the first timer may be 500ms or 750ms.

[0355] As an embodiment, the length of the first timer may be Inf.

[0356] As an embodiment, the length of the first timer may be infinity.

[0357] As an embodiment, the action of starting or restarting the first timer as a response to the reception of the first signaling means that in response to the reception of the first signaling, the corresponding configuration of the TAC contained in the first signaling is applied to start or restart the first timer at the same time.

[0358] As an embodiment, the action of starting or restarting the first timer as a response to the first signaling being received means starting or restarting the first timer after applying the corresponding configuration of the TAC contained in the first signaling in response to the first signaling being received.

[0359] As an embodiment, the action of starting or restarting the first timer as a response to the reception of the first signaling means applying the corresponding configuration of the TAC contained in the first signaling in response to the reception of the first signaling, and starting or restarting the first timer as a response to the successful application of the corresponding configuration of the TAC.

[0360] As an embodiment, the sending of the first signal by the action or behavior depends on the expiration of the first timer, which means that the sending of the first signal is triggered when the first timer expires.

[0361] As an embodiment, the sending of the first signal by the action or behavior depends on the expiration of the first timer, which means that the first signal is sent when the first timer expires.

[0362] As an embodiment, the sending of the first signal by the action or behavior depends on the expiration of the first timer, which means that when the first timer expires, sending of the first signal is allowed.

[0363] As an embodiment, the action or behavior sending the first signal depending on the expiration of the first timer means: sending the first signal after the first timer expires.

[0364] As an embodiment, the action of sending the first signal depending on the expiration of the first timer means: when the first timer expires, the first signal is sent when there is an uplink transmission demand.

[0365] As an embodiment, the sending of the first signal by the action or behavior depends on the expiration of the first timer, which means that the first signal is sent when the first timer is running and there is a second time interval before the expiration.

[0366] As a sub-embodiment of the above embodiment, the second time interval is preconfigured.

[0367] As a sub-embodiment of the above embodiment, the second time interval is configured by the network.

[0368] As a sub-embodiment of the above embodiment, the second time interval is determined by the UE.

[0369] Example 6

[0370] Example 6 illustrates a schematic diagram of the relationship between the first timing advance and the second time length and the first uplink parameter and the first downlink parameter according to an embodiment of the present application, as shown in Figure 6.

[0371] In embodiment 6, determination of the first timing advance depends on the second time length; and the second time length depends on the first uplink parameter and the first downlink parameter.

[0372] As an embodiment, the first uplink parameter is an uplink carrier, and the first downlink parameter is a downlink carrier.

[0373] As an embodiment, the first uplink parameter includes an uplink carrier, and the first downlink parameter includes a downlink carrier.

[0374] As an embodiment, the first uplink parameter is the subcarrier spacing of the uplink, and the first downlink parameter is the subcarrier spacing of the downlink.

[0375] As an embodiment, the first uplink parameter includes the subcarrier spacing of the uplink, and the first downlink parameter includes the subcarrier spacing of the downlink.

[0376] As an embodiment, the first uplink parameter includes the frequency of the uplink, and the first downlink parameter includes the frequency of the downlink.

[0377] As an embodiment, the first uplink parameter is the BWP of the uplink, and the first downlink parameter is the BWP of the downlink.

[0378] As an embodiment, the first uplink parameter includes the BWP of the uplink, and the first downlink parameter includes the BWP of the downlink.

[0379] As an embodiment, the first uplink parameter is used for SRS.

[0380] As an embodiment, the first uplink parameter is used for PUSCH.

[0381] As an embodiment, the first uplink parameter is used for PUCCH.

[0382] As an embodiment, the first uplink parameter is used for PUSCH / SRS / PUCCH.

[0383] As an embodiment, the first uplink parameter is used for PRACH.

[0384] As an embodiment, the first downlink parameter is used for CSI-RS.

[0385] As an embodiment, the first downlink parameter is used for PRS.

[0386] As an embodiment, the first downlink parameter is used for SSB.

[0387] As an embodiment, the first downlink parameter is used for PDSCH.

[0388] As an embodiment, the first downlink parameter is used for PDCCH.

[0389] As an embodiment, the first node receives an RRC message, and the RRC message configures the first uplink parameter and the first downlink parameter.

[0390] As an embodiment, the second time length is an offset of the first timing advance.

[0391] As an embodiment, the second time length is preconfigured.

[0392] As an embodiment, the second time length is a default.

[0393] As an embodiment, the second time length is a positive integer number of time units.

[0394] As an embodiment, the second time length is related to the third parameter and the first uplink parameter.

[0395] As an embodiment, only when the third parameter and the first uplink parameter are applied, the determination of the first timing advance depends on the second time length.

[0396] As an embodiment, determination of the first timing advance depends on the second time length only when the first signal is sent according to the third parameter.

[0397] As an embodiment, determination of the first timing advance depends on the first time length and the second time length.

[0398] As an embodiment, determination of the first timing advance depends on the difference between the first time length and the second time length.

[0399] As an embodiment, the first timing advance is linearly correlated with the difference between the first time length and the second time length.

[0400] As an embodiment, determination of the first timing advance depends on half of the difference between the first time length and the second time length.

[0401] As an embodiment, the first timing advance is not greater than half of the difference between the first time length and the second time length.

[0402] As an embodiment, the first timing advance is linearly correlated with half of the difference between the first time length and the second time length.

[0403] As an embodiment, the first timing advance is equal to half of the difference between the first time length and the second time length.

[0404] As an embodiment, the first timing advance = the first time length + the second time length.

[0405] As an embodiment, the first timing advance = the first time length - the second time length.

[0406] As an embodiment, the first timing advance = (the first time length - the second time length) / 2.

[0407] As an embodiment, the first timing advance = (the first time length + the second time length) / 2.

[0408] As an embodiment, the first timing advance = the first time length / 2-the second time length.

[0409] As an embodiment, the first timing advance = the first time length / 2 + the second time length.

[0410] As an embodiment, the second time length depends on the difference between a first uplink time and a first downlink time, the first uplink time depends on the uplink parameter of the first node, and the first downlink time depends on the downlink parameter of the first node.

[0411] As an embodiment, the second time length is equal to the difference between the first uplink time and the first downlink time.

[0412] As an embodiment, the second time length is equal to the absolute value of the difference between the first uplink time and the first downlink time.

[0413] As an embodiment, the second time length depends on the difference between the first downlink time and the first uplink time, the first uplink time depends on the uplink parameter of the first node, and the first downlink time depends on the downlink parameter of the first node.

[0414] As an embodiment, the second time length is equal to the difference between the first downlink time and the first uplink time.

[0415] Example 7

[0416] Example 7 illustrates a schematic diagram of the relationship between the first timing advance, the third time length, and the third node according to an embodiment of the present application, as shown in Figure 7.

[0417] In embodiment 7, determination of the first timing advance depends on a third time length, and the third time length depends on a third node; the third time length is preconfigured or the third time length is default.

[0418] As an embodiment, the third node is a RIS.

[0419] As an embodiment, the third node is a relay.

[0420] As an embodiment, the third time length is an offset of the first timing advance.

[0421] As an embodiment, the third time length is preconfigured.

[0422] As an embodiment, the third time length is a default.

[0423] As an embodiment, the third time length is a positive integer number of time units.

[0424] As an embodiment, the third time length is related to the subcarrier spacing.

[0425] As an embodiment, the third time length is related to BWP.

[0426] As an embodiment, the third time length is related to whether the third node can perform power amplification.

[0427] As an embodiment, the third time length is related to the working mode of the feeding module of the third node.

[0428] As a sub-embodiment of the above embodiment, the third time length is related to whether the third node is in a far-field reflective feeding mode.

[0429] As a sub-embodiment of the above embodiment, the third time length is related to whether the third node is in a far-field transmissive feeding mode.

[0430] As a sub-embodiment of the above embodiment, the third time length is related to whether the third node is in an active-passive integrated feeding mode.

[0431] As a sub-embodiment of the above embodiment, the third time length is related to whether the third node is in a near-field transmissive feeding mode.

[0432] As a sub-embodiment of the above embodiment, the third time length is related to whether the third node is in a reflection-transmission integrated mode.

[0433] As an embodiment, the third time length is related to the device material of the third node.

[0434] As an embodiment, the third time length is related to the working frequency band of the third node.

[0435] As an embodiment, the third time length is related to whether the deployment mode of the third node is network control or independent deployment.

[0436] As an embodiment, the third time length is related to whether the third node performs information modulation.

[0437] As an embodiment, the third time length is related to whether the third node performs channel control.

[0438] As an embodiment, the third time length is related to the beamforming process of the third node.

[0439] As an embodiment, the first timing advance is not greater than the difference between the first time length and the third time length.

[0440] As an embodiment, when the transmission path of the first signal and the second signal includes the third node, determination of the first timing advance depends on a third time length.

[0441] As an embodiment, only when the transmission paths of the first signal and the second signal include the third node, the determination of the first timing advance depends on the third time length.

[0442] As an embodiment, when the transmission path of the first signal or the second signal includes the third node, determination of the first timing advance depends on a third time length.

[0443] As an embodiment, only when the transmission path of the first signal or the second signal includes the third node, the determination of the first timing advance depends on the third time length.

[0444] As an embodiment, determination of the first timing advance depends on at least the first two of the first time length, the third time length and the second time length.

[0445] As an embodiment, determination of the first timing advance depends on the first time length and the third time length.

[0446] As an embodiment, determination of the first timing advance depends on the first time length, the second time length and the third time length.

[0447] As an embodiment, the determination of the first timing advance depends on the second time length, and the determination of the first timing advance depends on the third time length.

[0448] As an embodiment, determination of the first timing advance depends on the difference between the first time length and the third time length.

[0449] As an embodiment, the first timing advance and the difference between the first time length and the third time length are linearly correlated.

[0450] As an embodiment, determination of the first timing advance depends on half of the difference between the first time length and the third time length.

[0451] As an embodiment, the first timing advance is not greater than half of the difference between the first time length and the third time length.

[0452] As an embodiment, the first timing advance is linearly correlated with half of the difference between the first time length and the third time length.

[0453] As an embodiment, the first timing advance is equal to half of the difference between the first time length and the third time length.

[0454] As an embodiment, the first timing advance = the first time length + the third time length.

[0455] As an embodiment, the first timing advance = the first time length - the third time length.

[0456] As an embodiment, the first timing advance = (the first time length - the third time length) / 2.

[0457] As an embodiment, the first timing advance = (the first time length + the third time length) / 2.

[0458] As an embodiment, the first timing advance = the first time length / 2-the third time length.

[0459] As an embodiment, the first timing advance = the first time length / 2 + the third time length.

[0460] As an embodiment, the first timing advance=the first time length+the second time length+the third time length.

[0461] As an embodiment, the first timing advance = the first time length - the second time length - the third time length.

[0462] As an embodiment, the first timing advance = (the first time length - the second time length - the third time length) / 2.

[0463] As an embodiment, the first timing advance = (the first time length + the second time length + the third time length) / 2.

[0464] As an embodiment, the first timing advance = the first time length / 2 - the second time length - the third time length.

[0465] As an embodiment, the first timing advance = the first time length / 2 + the second time length + the third time length.

[0466] Example 8

[0467] Embodiment 8 illustrates a schematic diagram of the relationship between the first RRC message and the first timing advance according to an embodiment of the present application, as shown in FIG8 .

[0468] For the second node N02, in step S8201, a first RRC message is sent.

[0469] For the first node U01, in step S8101, a first RRC message is received, where the first RRC message includes a fourth time length.

[0470] In embodiment 8, determination of the first timing advance depends on a fourth time length.

[0471] As an embodiment, a field in the first RRC message indicates the fourth time length.

[0472] As an embodiment, a field in the first RRC message configures the fourth time length.

[0473] As an embodiment, the fourth time length is an offset of the first timing advance.

[0474] As an embodiment, the fourth time length is N TA,offset ; The one field in the first RRC message is n-TimingAdvanceOffset.

[0475] As an embodiment, the fourth time length is predefined.

[0476] As an embodiment, the fourth time length has a default value.

[0477] As an embodiment, the default value of the fourth time length is related to the duplex mode.

[0478] As an embodiment, the default value of the fourth time length is related to the frequency range.

[0479] As a sub-embodiment of the above embodiment, when operating in the FR2 frequency band, the fourth time length is 13792*Tc.

[0480] As an embodiment, the fourth time length is N TA,offset *Tc.

[0481] As an embodiment, the fourth time length is not N TA,offset .

[0482] As an embodiment, the fourth time length depends on the N TA,offset .

[0483] As an embodiment, the fourth time length is equal to the N TA,offset The values ​​are directly proportional.

[0484] As an embodiment, the fourth time length is equal to the N TA,offset The values ​​are linearly related.

[0485] As an embodiment, the fourth time length is related to the first signal and the second signal.

[0486] As an embodiment, the fourth time length is related to the time interval between the first signal and the second signal.

[0487] As an embodiment, the fourth time length is related to the time interval between the second node receiving the first signal and sending the second signal.

[0488] As an embodiment, determination of the first timing advance depends on at least the first time length, the fourth time length, the second time length, and the third time length.

[0489] As an embodiment, determination of the first timing advance depends on the first time length and the fourth time length.

[0490] As an embodiment, determination of the first timing advance depends on the first time length, the second time length and the fourth time length.

[0491] As an embodiment, determination of the first timing advance depends on the first time length, the third time length and the fourth time length.

[0492] As an embodiment, determination of the first timing advance depends on the first time length, the second time length, the third time length and the fourth time length.

[0493] As an embodiment, the phrase “determination of the first timing advance depends on a fourth time length” means that calculation of the first timing advance depends on the fourth time length.

[0494] As an embodiment, the phrase “determination of the first timing advance depends on a fourth time length” means that the first timing advance is related to the fourth time length.

[0495] As an embodiment, the phrase “determination of the first timing advance depends on a fourth time length” means that the first timing advance is linearly correlated with the fourth time length.

[0496] As an embodiment, the phrase “determination of the first timing advance depends on a fourth time length” means that the first timing advance is expressed as the sum of the fourth time length and certain other items.

[0497] As an embodiment, the first timing advance and the difference between the first time length and the fourth time length are linearly correlated.

[0498] As an embodiment, the first timing advance and the sum of the first time length and the fourth time length are linearly correlated.

[0499] As an embodiment, the first timing advance and the difference between half of the first time length and the fourth time length are linearly correlated.

[0500] As an embodiment, the first timing advance and the sum of half of the first time length and the fourth time length are linearly correlated.

[0501] As an embodiment, the first timing advance is not greater than the difference between the first time length and the fourth time length.

[0502] As an embodiment, the first timing advance is not greater than the sum of the first time length and the fourth time length.

[0503] As an embodiment, the first timing advance is not greater than the difference between half of the first time length and the fourth time length.

[0504] As an embodiment, the first timing advance is not greater than the sum of half of the first time length and the fourth time length.

[0505] As an embodiment, the first timing advance is equal to the difference between the first time length and the fourth time length.

[0506] As an embodiment, the first timing advance and the sum of the first time length and the fourth time length are equal.

[0507] As an embodiment, the first timing advance is equal to the difference between half of the first time length and the fourth time length.

[0508] As an embodiment, the sum of the first timing advance, half of the first time length, and the fourth time length is equal.

[0509] As an embodiment, the first timing advance = the first time length + the fourth time length.

[0510] As an embodiment, the first timing advance = the first time length - the fourth time length.

[0511] As an embodiment, the first timing advance = the first time length / 2-the fourth time length.

[0512] As an embodiment, the first timing advance = the first time length / 2 + the fourth time length.

[0513] As an embodiment, the first timing advance = (the first time length - the fourth time length) / 2.

[0514] As an embodiment, the first timing advance = (the first time length + the fourth time length) / 2.

[0515] As an embodiment, the first timing advance=the first time length+the second time length+the third time length+the fourth time length.

[0516] As an embodiment, the first timing advance = the first time length - the second time length - the third time length - the fourth time length.

[0517] As an embodiment, the first timing advance = (the first time length - the second time length - the third time length) / 2 + a fourth time length.

[0518] As an embodiment, the first timing advance = (the first time length + the second time length + the third time length) / 2 + a fourth time length.

[0519] As an embodiment, the first timing advance = the first time length / 2 - the second time length - the third time length - the fourth time length.

[0520] As an embodiment, the first timing advance=the first time length / 2+the second time length+the third time length+the fourth time length.

[0521] Example 9

[0522] Example 9 illustrates a schematic diagram of the relationship between the second signal and its receiving time and multiple physical signals according to an embodiment of the present application, as shown in Figure 9.

[0523] In embodiment 9, the second signal includes multiple physical signals, and the reception time of the second signal depends on the reception time of the multiple physical signals.

[0524] As an embodiment, the phrase “the second signal includes a plurality of physical signals” means that the second signal includes one or more multipath components.

[0525] As an embodiment, the phrase "the second signal includes multiple physical signals" means that the second signal includes one or more multipath components, and a single multipath component includes one or more clusters.

[0526] As an embodiment, the phrase "the second signal includes multiple physical signals" means that the receiving matrix of the first node for the second signal has one or more peaks after domain transformation along the subcarrier sequence or symbol sequence.

[0527] As an embodiment, the receiving time of the second signal is the receiving time of the earliest received physical signal among the multiple physical signals.

[0528] As an embodiment, the receiving time of the second signal is the receiving time of the latest received physical signal among the multiple physical signals.

[0529] As an embodiment, the receiving time of the second signal is the average of the receiving times of the multiple physical signals.

[0530] As an embodiment, the reception time of the second signal is a weighted average of the reception strengths of the reception times of the multiple physical signals.

[0531] As an embodiment, the receiving time of the second signal is a time set.

[0532] As a sub-embodiment of the above embodiment, the time set includes the reception times of all the multiple physical signals.

[0533] As a sub-embodiment of the above embodiment, the time set includes the reception times of the strongest K physical signals among the multiple physical signals.

[0534] As a sub-embodiment of the above embodiment, the time set includes the physical signal reception time corresponding to the strongest top K peaks after the first node performs domain transformation on the reception matrix of the second signal along the subcarrier sequence or symbol sequence.

[0535] As a sub-embodiment of the above embodiment, K is a positive integer.

[0536] As a sub-embodiment of the above embodiment, K has a default value of 1.

[0537] As a sub-embodiment of the above embodiment, K is pre-configured.

[0538] As a sub-embodiment of the above embodiment, K is determined by the UE.

[0539] Example 10

[0540] Embodiment 10 illustrates a schematic diagram of how the determination of the first timing advance depends on the second time length according to another embodiment of the present application, as shown in FIG10 .

[0541] In embodiment 10, determination of the first timing advance depends on a second time length; the second time length depends on a third parameter and a first uplink parameter; the first signal is sent according to the third parameter; and the first uplink parameter is used for at least one of at least PUSCH, SRS, or PUCCH.

[0542] As an embodiment, the third parameter is configured to the ISAC.

[0543] As an embodiment, the third parameter is ISAC-specific.

[0544] As an embodiment, the third parameter is radar signal specific.

[0545] As an embodiment, the third parameter includes time domain resources.

[0546] As an embodiment, the third parameter includes frequency domain resources.

[0547] As an embodiment, the third parameter includes a sending period.

[0548] As an embodiment, the third parameter includes transmission power.

[0549] As an embodiment, the third parameter includes a spatial filtering parameter.

[0550] As an embodiment, the third parameter includes beam width.

[0551] As an embodiment, the third parameter includes a beam scanning angle range.

[0552] As an embodiment, the second time length is related to the third parameter and the first uplink parameter.

[0553] As an embodiment, only when the third parameter and the first uplink parameter are applied, the determination of the first timing advance depends on the second time length.

[0554] As an embodiment, determination of the first timing advance depends on the second time length only when the first signal is sent according to the third parameter.

[0555] As an embodiment, the second time length is an offset of the first timing advance.

[0556] As an embodiment, the second time length is preconfigured.

[0557] As an embodiment, the second time length is a default.

[0558] As an embodiment, the second time length is a positive integer number of time units.

[0559] As an embodiment, determination of the first timing advance depends on the first time length and the second time length.

[0560] As an embodiment, determination of the first timing advance depends on the difference between the first time length and the second time length.

[0561] As an embodiment, the first timing advance is linearly correlated with the difference between the first time length and the second time length.

[0562] As an embodiment, determination of the first timing advance depends on half of the difference between the first time length and the second time length.

[0563] As an embodiment, the first timing advance is not greater than half of the difference between the first time length and the second time length.

[0564] As an embodiment, the first timing advance is linearly correlated with half of the difference between the first time length and the second time length.

[0565] As an embodiment, the first timing advance is equal to half of the difference between the first time length and the second time length.

[0566] As an embodiment, the first timing advance = the first time length + the second time length.

[0567] As an embodiment, the first timing advance = the first time length - the second time length.

[0568] As an embodiment, the first timing advance = (the first time length - the second time length) / 2.

[0569] As an embodiment, the first timing advance = (the first time length + the second time length) / 2.

[0570] As an embodiment, the first timing advance = the first time length / 2-the second time length.

[0571] As an embodiment, the first timing advance = the first time length / 2 + the second time length.

[0572] As an embodiment, the second time length depends on the difference between a first uplink time and a first downlink time, the first uplink time depends on the uplink parameter of the first node, and the first downlink time depends on the downlink parameter of the first node.

[0573] As an embodiment, the second time length is equal to the difference between the first uplink time and the first downlink time.

[0574] As an embodiment, the second time length is equal to the absolute value of the difference between the first uplink time and the first downlink time.

[0575] As an embodiment, the second time length depends on the difference between the first downlink time and the first uplink time, the first uplink time depends on the uplink parameter of the first node, and the first downlink time depends on the downlink parameter of the first node.

[0576] As an embodiment, the second time length is equal to the difference between the first downlink time and the first uplink time.

[0577] Example 11

[0578] Embodiment 11 illustrates a structural block diagram of a processing device in a first node according to an embodiment of the present application, as shown in FIG11. In FIG11, the processing device 1100 in the first node includes a first transmitter 1101 and a first receiver 1102.

[0579] The first transmitter 1101 sends a second signal;

[0580] A first transmitter 1101 sends a first signal;

[0581] The first receiver 1102 receives the second signal and determines a first timing advance.

[0582] In Example 11, the first signal triggers the second signal; the second signal is an echo signal of the first signal; the determination of the first timing advance depends on a first time length; the first time length depends on the time length between the sending time of the first signal and the receiving time of the second signal.

[0583] As an embodiment, determination of the first timing advance depends on a second time length; and the second time length depends on a first uplink parameter and a first downlink parameter.

[0584] As an embodiment, determination of the first timing advance depends on a third time length, and the third time length depends on a third node; the third time length is preconfigured or the third time length is default.

[0585] As an embodiment, the first receiver 1102 receives a first RRC message, and the first RRC message includes a fourth time length; wherein the determination of the first timing advance depends on the fourth time length.

[0586] As an embodiment, the second signal includes multiple physical signals, and the receiving time of the second signal depends on the receiving time of the multiple physical signals.

[0587] As an embodiment, the first receiver 1102 receives a first signaling, the first signaling includes a Timing Advance Command field, and the Timing Advance Command field in the first signaling indicates a second timing advance; as a response to the reception of the first signaling, the first timer is started or restarted; wherein the behavior of sending the first signal depends on the expiration of the first timer.

[0588] As an embodiment, the first receiver 1102 starts or restarts the first timer in response to receiving the second signal.

[0589] As an embodiment, the first receiver 1102 is capable of receiving radar signals.

[0590] As an embodiment, the first receiver 1102 includes a radar antenna.

[0591] As an embodiment, the first receiver 1102 includes a radar receiver.

[0592] As an embodiment, the first receiver 1102 includes a radar detector.

[0593] As an embodiment, the first transmitter 1101 is capable of sending radar signals.

[0594] As an embodiment, the first transmitter 1101 includes a radar antenna.

[0595] As an embodiment, the first transmitter 1101 includes a radar transmitter.

[0596] As an embodiment, the first receiver 1102 is capable of receiving ISAC signals.

[0597] As an embodiment, the first receiver 1102 includes an ISAC antenna.

[0598] As an embodiment, the first receiver 1102 includes an ISAC receiver.

[0599] As an embodiment, the first receiver 1102 includes an ISAC detector.

[0600] As an embodiment, the first transmitter 1101 is capable of sending an ISAC signal.

[0601] As an embodiment, the first transmitter 1101 includes an ISAC antenna.

[0602] As an embodiment, the first transmitter 1101 includes an ISAC transmitter.

[0603] As an embodiment, the first receiver 1102 includes at least one of the antenna 452 or the receiver 454 or the multi-antenna receiving processor 458 or the receiving processor 456 or the controller / processor 4511 or the memory 460 or the data source 467 in FIG. 4 of the present application.

[0604] As an embodiment, the first receiver 1102 includes at least the antenna 452 and the receiver 454 in FIG. 4 of the present application.

[0605] As an embodiment, the first transmitter 1101 includes at least one of the antenna 452 or transmitter 454 or multi-antenna transmission processor 457 or transmission processor 468 or controller / processor 459 or memory 460 or data source 467 in FIG4 of the present application.

[0606] As an embodiment, the first transmitter 1101 includes at least the antenna 452 and the transmitter 454 in FIG. 4 of the present application.

[0607] Example 12

[0608] Embodiment 12 illustrates a structural block diagram of a processing device in a second node according to an embodiment of the present application, as shown in FIG12. In FIG12, the processing device 1200 in the second node includes a second transmitter 1201 and a second receiver 1202.

[0609] The second receiver 1202 receives the first signal;

[0610] The second transmitter 1201 sends a second signal;

[0611] In Example 12, the first signal triggers the second signal; the second signal is an echo signal of the first signal; the determination of the first timing advance depends on a first time length; the first time length depends on the time length between the sending time of the first signal and the receiving time of the second signal.

[0612] As an embodiment, the sender of the first signal determines the first timing advance.

[0613] As an embodiment, determination of the first timing advance depends on a second time length; and the second time length depends on a first uplink parameter and a first downlink parameter.

[0614] As an embodiment, determination of the first timing advance depends on a third time length, and the third time length depends on a third node; the third time length is preconfigured or the third time length is default.

[0615] As an embodiment, the second transmitter 1201 sends a first RRC message, and the first RRC message includes a fourth time length; wherein, determination of the first timing advance depends on the fourth time length.

[0616] As an embodiment, the second signal includes multiple physical signals, and the receiving time of the second signal depends on the receiving time of the multiple physical signals.

[0617] As an embodiment, the second transmitter 1201 sends a first signaling, the first signaling includes a Timing Advance Command field, and the Timing Advance Command field in the first signaling indicates a second timing advance; wherein, as a response to the first signaling being received, the sender of the first signal starts or restarts a first timer; the behavior of sending the first signal depends on the expiration of the first timer.

[0618] As an embodiment, in response to the second signal being received, the sender of the first signal starts or restarts the first timer.

[0619] As an embodiment, the second transmitter 1201 includes at least one of the antenna 420 or the transmitter 418 or the multi-antenna transmission processor 471 or the transmission processor 416 or the controller / processor 475 or the memory 476 in FIG. 4 of the present application.

[0620] As an embodiment, the second transmitter 1201 includes at least the antenna 420 and the transmitter 418 in FIG. 4 of the present application.

[0621] As an embodiment, the second receiver 1202 includes at least one of the antenna 420 or the receiver 418 or the multi-antenna receiving processor 472 or the receiving processor 470 or the controller / processor 475 or the memory 476 in FIG. 4 of the present application.

[0622] As an embodiment, the second receiver 1202 includes at least the antenna 420 and the receiver 418 in FIG. 4 of the present application.

[0623] Example 13

[0624] Example 13 illustrates a schematic diagram of time domain resources occupied by the first signal and the second signal according to an embodiment of the present application; as shown in Figure 13.

[0625] In embodiment 13, the time domain resources occupied by the first signal and the time domain resources occupied by the second signal are both within the second type of time interval T2 and outside the first type of time interval T1.

[0626] As an embodiment, the first type of time interval is used for communication.

[0627] As an embodiment, the first type of time interval is a radio frame.

[0628] As an embodiment, the first type of time interval is half a frame.

[0629] As an embodiment, the first type of time interval is a radio subframe.

[0630] As an embodiment, the first type of time interval is a slot.

[0631] As an embodiment, the first type of time interval is a mini slot.

[0632] As an embodiment, the first type of time interval is an OFDM symbol.

[0633] As an embodiment, the first type of time interval is allocated to PDCCH.

[0634] As an embodiment, the first type of time interval is allocated to PDSCH.

[0635] As an embodiment, the first type of time interval is allocated to PBCH.

[0636] As an embodiment, the first type of time interval is allocated to PUCCH.

[0637] As an embodiment, the first type of time interval is allocated to PUSCH.

[0638] As an embodiment, the first type of time interval is allocated to PRACH.

[0639] As an embodiment, the first type of time interval is used for reference signals.

[0640] As an embodiment, the second type of time interval is used for sensing.

[0641] As an embodiment, the first signal sending time is aligned with the starting time of the second type of time interval.

[0642] As an embodiment, the first signal sending time is not aligned with the start time of the second type of time interval.

[0643] As an embodiment, the sending of the first signal and the receiving of the second signal do not overlap in the time domain.

[0644] As an embodiment, the sending of the first signal and the receiving of the second signal overlap in the time domain.

[0645] As an embodiment, the sending of the first signal and the receiving of the second signal partially overlap in the time domain.

[0646] As an embodiment, the time domain length of the first signal is an integer multiple of an OFDM symbol.

[0647] As an embodiment, the time domain length of the first signal is an integer multiple of slot.

[0648] As an embodiment, the time domain length of the first signal is an integer multiple of half a frame.

[0649] As an embodiment, the time domain length of the first signal is not an integer multiple of an OFDM symbol.

[0650] As an embodiment, the time domain length of the second signal is an integer multiple of an OFDM symbol.

[0651] As an embodiment, the time domain length of the second signal is an integer multiple of slot.

[0652] As an embodiment, the time domain length of the second signal is an integer multiple of half a frame.

[0653] As an embodiment, the time domain length of the second signal is not an integer multiple of an OFDM symbol.

[0654] As an embodiment, the time domain length of the second signal is equal to the time domain length of the first signal.

[0655] As an embodiment, the time domain length of the second signal is not equal to the time domain length of the first signal.

[0656] As an embodiment, the sending time of the first signal is aligned with the wireless frame.

[0657] As an embodiment, the sending time of the first signal is aligned with the slot.

[0658] As an embodiment, the sending time of the first signal is aligned with the OFDM symbol.

[0659] As an embodiment, the sending time of the first signal is not aligned with the wireless frame.

[0660] As an embodiment, the sending time of the first signal is not aligned with the slot.

[0661] As an embodiment, the sending time of the first signal is not aligned with the OFDM symbol.

[0662] As an embodiment, the portion of the second type of time interval except the first signal and the second signal is zero power.

[0663] As an embodiment, the portion of the second-type time interval other than the first signal and the second signal is mute.

[0664] As an embodiment, a portion of the second-type time interval other than the first signal and the second signal may be used for wireless transmission.

[0665] As an embodiment, a portion of the second-type time interval other than the first signal and the second signal may be used for wireless communication.

[0666] As an embodiment, the edge of the second-type time interval is aligned with the edge of the first time interval.

[0667] As an embodiment, the edge of the second-type time interval is not aligned with the edge of the first time interval.

[0668] As an embodiment, this embodiment does not limit other specific implementations of the first signal and the second signal in this application.

[0669] Example 14

[0670] Embodiment 14 illustrates a schematic diagram of an artificial intelligence processing system according to an embodiment of the present application, as shown in FIG14. FIG14 includes a first module, a second module, a third module and a fourth module.

[0671] In Example 14, the first module sends a first data set to the second module, the second module generates a target first-category parameter group based on the first data set, the second module sends the generated target first-category parameter group to the third module, the third module uses the target first-category parameter group to process the second data set to obtain a first-category output, and then sends the first-category output to the fourth module.

[0672] As an embodiment, the first module, the second module, the third module and the fourth module all belong to the first node.

[0673] The above method avoids air interface signaling interaction and shortens transmission delay.

[0674] As an embodiment, the first module, the second module, the third module and the fourth module belong to the first node and the second node.

[0675] As an embodiment, the first module belongs to the first node, and the second module, the third module and the fourth module all belong to the second node.

[0676] The above method balances the hardware complexity and transmission delay of the first node.

[0677] As an embodiment, the first module, the second module, the third module and the fourth module belong to the OAM to which the first node and the second node belong.

[0678] As an embodiment, the first module belongs to the first node, and the second module, the third module and the fourth module all belong to the OAM to which the second node belongs.

[0679] The above method balances the hardware complexity of the first node and the accuracy of the first type of output.

[0680] As an embodiment, the first module is used for data collection.

[0681] As an embodiment, the first module generates at least one of the first data set or the second data set based on at least the first information.

[0682] As an embodiment, the first module sends the first information; the first module belongs to the first node.

[0683] As an embodiment, at least one of the first data set or the second data set is transmitted through the Uu port.

[0684] As an embodiment, at least one of the first data set or the second data set is transmitted through an interface between modules.

[0685] As an embodiment, at least one of the first data set or the second data set includes the second signal received by the first node.

[0686] As an embodiment, at least one of the first data set or the second data set includes the first RRC message of the first node.

[0687] As an embodiment, at least one of the first data set or the second data set includes relevant information of the third node.

[0688] As an embodiment, at least one of the first data set or the second data set includes corresponding physical layer parameters of the first node.

[0689] As an embodiment, at least one of the first data set or the second data set includes the TA of the first node.

[0690] As an embodiment, at least one of the first data set or the second data set includes a TA obtained by the first node based on a random access process.

[0691] As an embodiment, the second module is used for model training.

[0692] As an embodiment, the first data set is training data (Training Data), the second data set is inference data (Inference Data), the second module is used to train the model, and the trained model is described by the target first type parameter group.

[0693] As an embodiment, the third module is used for model inference.

[0694] As an embodiment, the third module constructs a model according to the target first-category parameter group, then inputs the second data set into the constructed model to obtain the first-category output, and then sends the first-category output to the fourth module.

[0695] As an embodiment, the third module calculates the error between the first type of output and actual data to determine the performance of the trained model; the actual data is data received after the second data set and transmitted by the first module.

[0696] The above embodiment is particularly suitable for a UE with ISAC capability to obtain a TA.

[0697] As an embodiment, the third module sends the first type of feedback to the second module, and the first type of feedback is used to trigger recalculation or updating of the target first type parameter group.

[0698] As an embodiment, the third module restores a reference dataset based on the first type of output, and an error between the reference dataset and the second dataset is used to generate the first type of feedback.

[0699] As an embodiment, the first type of feedback is used to reflect the performance of the trained model; when the performance of the trained model fails to meet the requirements, the second module recalculates the target first type parameter group.

[0700] Typically, when the error is too large or has not been updated for too long, the performance of the trained model is considered unsatisfactory.

[0701] As an embodiment, the fourth module is an Actor.

[0702] As an embodiment, the fourth module receives the first type of output from the third module.

[0703] As an embodiment, the fourth module performs corresponding actions according to the first type of output.

[0704] As an embodiment, the fourth module sends a second type of feedback to the first module, and the second type of feedback is used to generate the first data set or the second data set, or the second type of feedback is used to trigger the sending of the first data set or the second data set.

[0705] As an embodiment, the fourth module sends a second type of feedback to the first module, and the second type of feedback is used to trigger the execution of the first type of output.

[0706] As an embodiment, the first type of output includes the first timing advance.

[0707] As an embodiment, the first type of output includes the second time length.

[0708] As an embodiment, the first type of output includes the third time length.

[0709] As an embodiment, the first type of output includes the fourth time length.

[0710] As an embodiment, the first type of output includes the first timer length.

[0711] As an embodiment, the embodiment 14 is only used to illustrate that the present application can be used in an artificial intelligence processing system. This embodiment does not limit the application of the present application to non-artificial intelligence processing systems. Moreover, this embodiment does not limit the application of the present application to other types of artificial intelligence processing systems to achieve an effect equivalent to that of the artificial intelligence processing system shown in Figure 14.

[0712] Example 15

[0713] Embodiment 15 illustrates a schematic diagram of an artificial intelligence processing system according to another embodiment of the present application, as shown in FIG15 . FIG15 includes a first module, a second module, a third module, a fourth module, and a fifth module.

[0714] In Example 15, the first module sends a first data set to the second module, the first module sends a second data set to the third module, the first module sends a third data set to the fifth module, the fifth module sends a first type parameter group to the second module, the fifth module sends a second type parameter group to the third module, the fifth module sends a third type parameter group to the fourth module, the second module sends a fourth type parameter group to the fourth module, and the fourth module sends a fifth type parameter group to the third module.

[0715] As an embodiment, the first module, the second module, the third module, the fourth module and the fifth module all belong to the first node.

[0716] The above method avoids air interface signaling interaction and shortens transmission delay.

[0717] As an embodiment, any module among the first module, the second module, the third module, the fourth module and the fifth module does not belong to the first node.

[0718] The above method reduces the hardware complexity of the first node.

[0719] As an embodiment, at least the first module among the first module, the second module, the third module, the fourth module and the fifth module belongs to the first node; and at least one module among the first module, the second module, the third module, the fourth module and the fifth module does not belong to the first node.

[0720] The above method balances the hardware complexity and transmission delay of the first node.

[0721] As an embodiment, the first module is used for data collection.

[0722] As an embodiment, the first module is responsible for data collection.

[0723] As an embodiment, the first module has a data collection function.

[0724] As an embodiment, the second module is used for model training.

[0725] As an embodiment, the second module is responsible for model training.

[0726] As an embodiment, the second module has a model training function.

[0727] As an embodiment, the second module performs AI / ML model training.

[0728] As an embodiment, the second module performs validation.

[0729] As an embodiment, the second module performs testing.

[0730] As an embodiment, the second module generates model performance metrics.

[0731] As an embodiment, the second module is responsible for data preparation.

[0732] As an embodiment, the data preparation includes at least one of data pre-processing, cleaning, formatting, or transformation.

[0733] As an embodiment, the third module is used for inference.

[0734] As an embodiment, the third module has a reasoning function.

[0735] As an embodiment, the third module is responsible for reasoning.

[0736] As an embodiment, the fourth module is used for model storage.

[0737] As an embodiment, the fourth module has a model storage function.

[0738] As an embodiment, the fourth module is responsible for storing the trained model.

[0739] As an embodiment, the fourth module is responsible for storing trained models that can be used to perform inference processing.

[0740] As an embodiment, the fifth module is used for management.

[0741] As an embodiment, the fifth module is responsible for management.

[0742] As an embodiment, the fifth module has a management function.

[0743] As an embodiment, the first data set is training data.

[0744] As an embodiment, the second data set is inference data.

[0745] As an embodiment, the third data set is monitoring data.

[0746] As an embodiment, the first parameter group includes monitoring output.

[0747] As an embodiment, the second type of parameter group includes management instructions.

[0748] As an embodiment, the second type of parameter group is used for fine-tuning of the inference function.

[0749] As an embodiment, the second type of parameter group includes an identifier of the model.

[0750] As an embodiment, the second type of parameter group is used to select a model.

[0751] As an embodiment, the second type of parameter group is used for switching models.

[0752] As an embodiment, the second type of parameter group is used to activate / deactivate the model.

[0753] As an embodiment, the second type of parameter group is used to fall back from AI-ML operation to non-AI-ML operation.

[0754] As an embodiment, the third type of parameter group includes a model transfer request (Model Transfer Request).

[0755] As an embodiment, the third parameter group includes a model delivery request (Model Delivery Request).

[0756] As an embodiment, the fourth parameter group includes a trained model (Trained Model).

[0757] As an embodiment, the fourth parameter group includes an updated model (Updated Model).

[0758] As an embodiment, the fourth type of parameter group indicates the identification of the model.

[0759] As an embodiment, the fifth parameter group includes model transfer.

[0760] As an embodiment, the fifth parameter group includes model delivery.

[0761] As an embodiment, the fifth type of parameter group indicates the identification of the model.

[0762] As an embodiment, the first type of output includes a monitoring output.

[0763] As an embodiment, the first type of output exists.

[0764] As an embodiment, the first type of output does not exist.

[0765] As an embodiment, the second type of output includes inference output.

[0766] As an embodiment, the second type of output is used by the fifth module to monitor the performance of the AI / ML model.

[0767] As an embodiment, the second type of output is used by the fifth module to monitor the performance of the AI / ML function.

[0768] As an embodiment, the second type of output exists.

[0769] As an embodiment, the second type of output does not exist.

[0770] As an embodiment, the artificial intelligence processing system generates or assists in generating at least one of the first timing advance, the second time length, the third time length, the fourth time length, or the first timer length.

[0771] As an embodiment, the fifth module generates or assists in generating at least one of the first timing advance, the second time length, the third time length, the fourth time length, or the first timer length.

[0772] As an embodiment, the third module generates or assists in generating at least one of the first timing advance, the second time length, the third time length, the fourth time length, or the first timer length.

[0773] As an embodiment, the second type of output includes at least one of the first timing advance or the second time length or the third time length or the fourth time length or the first timer length.

[0774] As an embodiment, at least one of the first data set, the second data set, or the third data set includes the second signal.

[0775] As an embodiment, at least one of the first data set, the second data set, or the third data set includes the first RRC message.

[0776] As an embodiment, at least one of the first data set, the second data set, or the third data set includes relevant information of the third node.

[0777] As an embodiment, at least one of the first data set, the second data set, or the third data set includes corresponding physical layer parameters of the first node.

[0778] As an embodiment, at least one of the first data set, the second data set, or the third data set includes the TA of the first node.

[0779] As an embodiment, at least one of the first data set, the second data set, or the third data set includes a TA obtained by the first node based on a random access process.

[0780] As an embodiment, Example 13 is only used to illustrate that the present application can be used in an artificial intelligence processing system. This embodiment does not limit the application of the present application to non-artificial intelligence processing systems. Moreover, this embodiment does not limit the application of the present application to other types of artificial intelligence processing systems to achieve an effect equivalent to that of the artificial intelligence processing system shown in Figure 13.

[0781] Those skilled in the art will appreciate that all or part of the steps in the above method can be completed by instructing relevant hardware through a program, and the program can be stored in a computer-readable storage medium, such as a read-only memory, a hard disk or an optical disk. Optionally, all or part of the steps in the above embodiment can also be implemented using one or more integrated circuits. Accordingly, each module unit in the above embodiment can be implemented in the form of hardware or in the form of a software functional module. This application is not limited to any specific form of combination of software and hardware. The user equipment, terminal and UE in this application include but are not limited to drones, communication modules on drones, remote-controlled aircraft, aircraft, small aircraft, mobile phones, tablet computers, notebooks, vehicle-mounted communication equipment, wireless sensors, internet cards, Internet of Things terminals, RFID terminals, NB-IOT terminals, MTC (Machine Type Communication) terminals, eMTC (enhanced MTC) terminals, data cards, internet cards, vehicle-mounted communication equipment, low-cost mobile phones, low-cost tablet computers and other wireless communication devices. The base stations or system devices in this application include but are not limited to macrocell base stations, microcell base stations, home base stations, relay base stations, gNB (NR node B) NR node B, TRP (Transmitter Receiver Point) and other wireless communication devices.

[0782] The above description is only a preferred embodiment of the present application and is not intended to limit the scope of protection of the present application. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present application shall be included in the scope of protection of the present application.

Claims

1. A first node used for wireless communication, characterized in that: include: A first transmitter sends a first signal; A first receiver receives a second signal; determining a first timing advance; Wherein, the first signal triggers the second signal; The second signal is an echo signal of the first signal; determination of the first timing advance depends on a first time length; the first time length depends on a time length between a sending time of the first signal and a receiving time of the second signal.

2. The first node according to claim 1, characterized in that: Determination of the first timing advance depends on a second time length; and the second time length depends on a first uplink parameter and a first downlink parameter.

3. The first node according to claim 1 or 2, characterized in that: Determination of the first timing advance depends on a third time length, and the third time length depends on a third node; the third time length is preconfigured or the third time length is default.

4. The first node according to any one of claims 1 to 3, characterized in that: include: The first receiver receives a first RRC message, where the first RRC message includes a fourth time length; The determination of the first timing advance depends on a fourth time length.

5. The first node according to any one of claims 1 to 4, characterized in that: The second signal includes multiple physical signals, and the reception time of the second signal depends on the reception time of the multiple physical signals.

6. The first node according to any one of claims 1 to 5, characterized in that: include: The first receiver receives a first signaling, wherein the first signaling includes a Timing Advance Command field, wherein the Timing Advance Command field in the first signaling indicates a second timing advance; and starts or restarts a first timer as a response to receiving the first signaling; The behavior of sending the first signal depends on the expiration of the first timer.

7. The first node according to claim 6, characterized in that: include: The first receiver, in response to receipt of the second signal, starts or restarts the first timer.

8. A second node used for wireless communication, characterized in that: include: A second receiver receives the first signal; A second transmitter sends a second signal; Wherein, the first signal triggers the second signal; The second signal is an echo signal of the first signal; determination of the first timing advance depends on a first time length; the first time length depends on a time length between a sending time of the first signal and a receiving time of the second signal.

9. A method in a first node for wireless communication, characterized in that: include: Sending a first signal; receiving a second signal; determining a first timing advance; Among them, the first signal triggers the second signal; the second signal is an echo signal of the first signal; determination of the first timing advance depends on a first time length; the first time length depends on the time length between the sending time of the first signal and the receiving time of the second signal.

10. A method in a second node for wireless communication, characterized in that: include: receiving a first signal; sending a second signal; Among them, the first signal triggers the second signal; the second signal is an echo signal of the first signal; determination of the first timing advance depends on a first time length; the first time length depends on the time length between the sending time of the first signal and the receiving time of the second signal.

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