Method and apparatus for use in node for wireless communication signal transmission

Abstract

Disclosed in the present application are a method and apparatus for use in a node for wireless communication signal transmission. The method comprises: a first node receiving first signaling, wherein the first signaling indicates a first timing advance value; and sending a first signal in a first time-frequency resource, wherein a spatial parameter of the first signal is configured with a referenced downlink reference signal resource; whether the first time-frequency resource comprises the function of the first timing advance value depends on whether the spatial parameter of the first signal is further configured with a path loss offset; when the spatial parameter of the first signal is configured with the path loss offset, the first time-frequency resource comprises the function of a second timing advance value; when the spatial parameter of the first signal is not configured with the path loss offset, the first time-frequency resource comprises the function of the first timing advance value; and the second timing advance value is different from the first timing advance value. The present application supports uplink multi-beam / TRP / panel transmission based on different timing advance values, thereby improving the uplink transmission performance.

Description

A method and device for use in a node for wireless communication signal transmission

[0001] This application claims priority to a Chinese patent application filed with the Patent Office of China on March 25, 2024, with application number 202410347667.2 and application name “A method and device in a node used for wireless communication signal transmission”, the entire contents of which are incorporated by reference into this application. Technical Field

[0002] The present application relates to a signal transmission method and apparatus in a wireless communication system, and in particular to a method and apparatus for uplink synchronization. Background Art

[0003] Multi-antenna technology is a key technology in 3GPP (3rd Generation Partnership Project) LTE (Long-Term Evolution) and NR (New Radio) systems. It achieves additional spatial degrees of freedom by deploying multiple antennas at communication nodes, such as base stations or user equipment (UE). Multiple antennas use beamforming to form beams pointing in a specific direction, improving communication quality. When multiple antennas belong to multiple Transmitter Receiver Points (TRPs) / panels, additional diversity gain can be achieved by leveraging the spatial differences between different TRPs / panels. Deploying heterogeneous networks, in which a UE receives downlink (DL) transmissions from a gNB while sending uplink (UL) transmissions to the gNB or a non-co-located TRP / panel, is a key enhancement for improving uplink throughput. Furthermore, the TRP / panel receiving the UL transmissions can reduce or even disable DL transmissions to reduce energy consumption.

[0004] In December 2023, the RAN (Radio Access Network) #102 plenary meeting passed the WI (Work Item) of NR MIMO Phase 5. The RAN1 working group will at least enhance UL power control (PC) in the Rel-19 stage to support this UL / DL asymmetric deployment scenario; this includes configuring path loss offset for the UE to facilitate accurate calculation of the path loss associated with the UE and the TRP / panel; and supporting two closed-loop PC adjustment states for SRS (Sounding Resource Signal) for gNB DL CSI (Channel State Information) acquisition and UL multi-TRP transmission, respectively. Summary of the Invention

[0005] In the existing standard, to avoid transmission interference and ensure that the uplink signals sent by all UEs served by the base station to the base station are aligned when they arrive at the base station, the base station will send a TA (Timing Advance) adjustment indication to the UE through (Medium Access Control) layer signaling. The UE determines the downlink timing based on the downlink signal from the base station, and combined with the TA adjustment indication sent by the base station, it can accurately determine the actual uplink transmission timing; cells with the same timing advance and using the same timing reference are divided into a TAG (Timing Advance Group), and each TAG includes at least one serving cell configured with an uplink. In the UL / DL asymmetric scenario, the UE may correspond to different beams / TRPs / panels during uplink transmission, and different beams / TRPs / panels may correspond to different TAs. How to support different TAs in a serving cell is a problem that needs to be solved.

[0006] In response to the above problems, the present application discloses a solution. It should be noted that, in the description of the above problem, the NR (New Radio) system is used as an example. The present application is also applicable to scenarios such as the future 6G system, and achieves technical effects similar to the NR system. Furthermore, although the original intention of the present application is for UL / DL asymmetric, cellular network, uplink transmission, multi-beam / TRP / panel scenarios, the present application can also be applied to other non-UL / DL asymmetric scenarios. Furthermore, for different scenarios (such as other non-UL / DL asymmetric scenarios, including but not limited to sidelink transmission, downlink transmission, single beam / TRP / panel, RIS (Reconfigurable Intelligent Surface), Vehicle to Everything (V2X), NCR (Network Control Repeater) capacity enhancement system, short-range communication system, NTN (Non Terrestrial Network), IoT (Internet of Things), URLLC (Ultra Reliable Low Latency The use of a unified design for robust communication (ultra-robust low-latency communication) networks, etc., also helps reduce hardware complexity and costs. Unless there is a conflict, the embodiments and features of any node in this application can be applied to any other node. Unless there is a conflict, the embodiments and features of the embodiments in this application can be combined in any way.

[0007] In particular, for the interpretation of terminology, nouns, functions, and variables in this application (unless otherwise specified), reference may be made to the definitions in the TS38 series and TS37 series of the technical specifications (TS) of the 3GPP (the 3rd Generation Partnership Project). If necessary, reference may be made to TS38.211, TS38.212, TS38.213, TS38.214, TS38.215, TS38.300, TS38.304, TS38.305, TS38.321, TS38.331, TS37.355, and TS38.423 in the 3GPP technical standards to assist in understanding this application.

[0008] As an example, the interpretation of the terms in this application refers to the definitions of the 3GPP specification protocol TS38 series.

[0009] As an example, the interpretation of the terms in this application refers to the definitions of the TS37 series of specification protocols of 3GPP.

[0010] As an example, the interpretation of the terms in this application refers to the definitions of the TS40 series of specification protocols of 3GPP.

[0011] As an example, the interpretation of the terms in this application refers to the definitions in the TS39 series of specification protocols of 3GPP.

[0012] As an embodiment, the interpretation of the terms in this application refers to the definitions in the Rel-17 version of the 3GPP specification protocol.

[0013] As an example, the interpretation of the terms in this application refers to the definitions in the Rel-18 version of the 3GPP specification protocol.

[0014] As an example, the interpretation of the terms in this application refers to the definitions in the Rel-19 version of the 3GPP specification protocol.

[0015] As an example, the interpretation of the terms in this application refers to the definitions in the Rel-20 version of the 3GPP specification protocol.

[0016] The present application discloses a method in a first node for wireless communication signal transmission, which includes:

[0017] receiving first signaling, where the first signaling indicates a first timing advance value;

[0018] Sending a first signal in a first time-frequency resource;

[0019] Among them, the spatial parameters of the first signal are configured with reference to the downlink reference signal resources; whether the first time-frequency resource includes the effect of the first timing advance value depends on whether the spatial parameters of the first signal are also configured with the path loss offset; when the spatial parameters of the first signal are configured with the path loss offset, the first time-frequency resource includes the effect of the second timing advance value; when the spatial parameters of the first signal are not configured with the path loss offset, the first time-frequency resource includes the effect of the first timing advance value; the second timing advance value is different from the first timing advance value.

[0020] As an embodiment, the problem to be solved by the present application includes: how to support different TAs in a serving cell.

[0021] As an embodiment, the problem to be solved by the present application includes: uplink timing of the first node.

[0022] As an embodiment, the characteristics of the above method include: in the present application, the determination of TA in the uplink timing of the first node is made dependent on whether the spatial parameters of the transmitted uplink signal are configured with path loss offset, thereby solving the above problem.

[0023] As an embodiment, the characteristics of the above method include: in this application, when the spatial parameters of the uplink signal transmitted by the first node are configured with path loss offset, an uplink timing different from the TA adjustment value indicated by the base station is adopted, thereby solving the above problem.

[0024] As an embodiment, the characteristics of the above method include: in the UL / DL asymmetric scenario, in order to facilitate the accurate calculation of the path loss associated with the terminal and the TRP / panel, the base station can configure a path loss offset for the UL TRP for the terminal. Therefore, the terminal can determine the TRP / panel corresponding to the uplink transmission by whether the spatial parameters of the uplink transmitted signal are configured with the path loss offset, and then determine the uplink timing.

[0025] As an embodiment, the characteristics of the above method include: the first timing advance is an adjustment of the timing advance required when the signal uplink transmitted by the first node reaches the sender of the first signaling.

[0026] As an embodiment, the characteristics of the above method include: the second timing advance is an adjustment of the timing advance required when the signal of the uplink transmission of the first node reaches the UL TRP.

[0027] As an embodiment, the benefits of the above method include: supporting uplink multi-beam / TRP / panel transmission based on different timing advance values, thereby improving uplink transmission performance.

[0028] As an embodiment, the benefits of the above method include: supporting uplink and downlink asymmetric deployment scenarios and improving uplink throughput.

[0029] As an embodiment, the benefits of the above method include: no dynamic signaling is required to explicitly indicate TA selection during uplink transmission, thereby reducing dynamic signaling overhead.

[0030] As an embodiment, the benefits of the above method include: optimizing resource utilization, reducing transmission delay, and improving system response speed and user experience.

[0031] As an embodiment, the benefits of the above method include: in the above method, the first node only needs to maintain one TimeAlignmentTimer, which is simple to implement.

[0032] According to one aspect of the present application, the above method is characterized in that, when the first time-frequency resource includes the effect of the first timing advance value, the starting moment of the uplink frame corresponding to the first time-frequency resource is advanced by a first time value compared to the starting moment of the downlink frame using the same frame number, and the first time value includes the first timing advance value; when the first time-frequency resource includes the effect of the second timing advance value, the starting moment of the uplink frame corresponding to the first time-frequency resource is advanced by a second time value compared to the starting moment of the downlink frame using the same frame number, the second time value includes the second timing advance value, and the second time value does not include the first timing advance value.

[0033] As an embodiment, the characteristics of the above method include: the first time value is a timing advance value of the uplink timing of the traditional uplink receiving node of the second node targeted by the first node relative to the downlink timing.

[0034] As an embodiment, the characteristics of the above method include: the second time value is a timing advance value of the uplink timing of the first node relative to the downlink timing of the UL TRP of the second node.

[0035] As an embodiment, the above method has the following benefits: the uplink timing of the sender of the first signaling is compatible with the current standard and has good forward compatibility.

[0036] As an embodiment, the benefits of the above method include: reducing interference and enhancing system robustness.

[0037] As an embodiment, the above method has the following advantages: solving the problem of supporting different TAs in a serving cell, and making minor changes to the current standard.

[0038] According to one aspect of the present application, the above method is characterized in that the second timing advance value is equal to 0.

[0039] As an embodiment, the characteristics of the above method include: the uplink transmission of the UL TRP of the second node by the first node does not need to indicate the TA through the second node, and the first node implements the relevant determination of the uplink timing.

[0040] As an embodiment, the characteristics of the above method include: for the uplink transmission of the UL TRP of the second node, the terminal does not need to introduce additional timing advance, and the UL TRP implements related uplink reception.

[0041] According to one aspect of the present application, the above method is characterized in that the second timing advance value is equal to the sum of half of the first timing advance value and a candidate offset value; the candidate offset value is predefined, or the candidate offset value is configurable.

[0042] As an embodiment, the problem to be solved by the present application includes: how the first node obtains the second timing advance value.

[0043] As an embodiment, the characteristics of the above method include: in this application, the first node determines the first timing advance value through base station signaling, and then determines the second timing advance value through the first timing advance value.

[0044] As an embodiment, the characteristics of the above method include: the first timing advance value is a terminal-specific timing advance adjustment value to compensate for the delay of bidirectional transmission between a conventional uplink receiving node from the terminal to the second node.

[0045] As an embodiment, the characteristics of the above method include: the second timing advance value is a terminal-specific timing advance adjustment value to compensate for the delay of unidirectional transmission between the UL TRP from the terminal to the second node.

[0046] As an embodiment, the benefits of the above method include: the terminal-specific timing advance value is used to compensate for the delay in two-way transmission from the terminal to the base station, so that the uplink signals sent by terminals at different locations in the same cell are aligned when they arrive at the base station; the TRP / panel receiving UL only receives uplink transmission after turning off DL transmission and does not send downlink transmission to the terminal, so the terminal can only compensate for the uplink transmission delay for UL TRP, and configure or define a suitable offset value to compensate for the timing offset when the base station and UL TRP are not co-located, so as to reduce transmission delay and improve system response speed and user experience.

[0047] As an embodiment, the advantages of the above method include: predefining candidate offset values ​​is simple to implement and saves signaling overhead.

[0048] As an embodiment, the benefits of the above method include: configuring the candidate offset value can accurately compensate for the timing offset when the base station and UL TRP are not co-located, thereby reducing system interference.

[0049] As an embodiment, the benefits of the above method include: the candidate offset value is related to the position of the UL TRP of the second node to simplify the implementation.

[0050] According to one aspect of the present application, the above method is characterized in that when the spatial parameter of the first signal is configured with the path loss offset, the transmit power value of the first signal depends on both the reference downlink reference signal resource and the path loss offset.

[0051] As an embodiment, the characteristics of the above method include: when the spatial parameter of the first signal is configured with the path loss offset, the receiver of the first signal is a UL TRP.

[0052] As an embodiment, the characteristics of the above method include: the referenced downlink reference signal resource includes a downlink reference signal, the first node measures the downlink reference signal to obtain the downlink path loss between the base station and the first node, when the spatial parameter of the first signal is configured with a path loss offset, the receiver of the first signal is the UL TRP, and the first node jointly determines the uplink transmission path loss based on the downlink path loss between the base station and the first node and the path loss offset.

[0053] As an embodiment, the benefits of the above method include: correcting the uplink transmission path loss of the terminal sending signal, thereby more accurately estimating the transmission link quality from the terminal to the UL TRP.

[0054] As an embodiment, the benefits of the above method include: ensuring that the network is more accurate in resource allocation and scheduling, and improving network performance and throughput.

[0055] As an embodiment, the benefits of the above method include: enhancing uplink power control, ensuring the transmission quality of uplink signals, and saving power resources.

[0056] According to one aspect of the present application, the above method is characterized in that the spatial parameters of the first signal include an uplink TCI state, and when the spatial parameters of the first signal are configured with the path loss offset, the uplink TCI state is configured with two power control processes.

[0057] As an embodiment, the characteristics of the above method include: when the spatial parameter of the first signal is configured with the path loss offset, the receiver of the first signal is a UL TRP.

[0058] As an embodiment, the characteristics of the above method include: the two power control processes are used for downlink CSI acquisition and uplink signal transmission respectively.

[0059] As an embodiment, the characteristics of the above method include: the two power control processes correspond to two power adjustment states respectively.

[0060] As an embodiment, the benefits of the above method include: enhancing uplink power control, ensuring the transmission quality of uplink signals, and saving power resources.

[0061] As an embodiment, the advantages of the above method include: minor changes to the current standard and good backward compatibility.

[0062] According to one aspect of the present application, the above method is characterized in that the spatial parameters of the first signal include an uplink TCI state, and when the spatial parameters of the first signal are configured with the path loss offset, the uplink TCI state and the TAG used by the first signal are respectively associated with two CORESET Pool Indexes.

[0063] As an embodiment, the characteristics of the above method include: the downlink reference signal resource referenced by the uplink TCI state is associated with a CORESET Pool Index, and the TAG used by the first signal corresponds to another CORESET Pool Index.

[0064] As an embodiment, the characteristics of the above method include: the first timing advance value is a TAG used for the first signal.

[0065] As an embodiment, the above method has the following advantages: it can support two TAs without changing the current cell TAG, and has little impact on the standard.

[0066] According to one aspect of the present application, the above method is characterized in that the first node is a user equipment.

[0067] According to one aspect of the present application, the above method is characterized in that the first node is a relay node.

[0068] The present application discloses a method in a second node used for wireless communication signal transmission, which includes:

[0069] Sending first signaling, where the first signaling indicates a first timing advance value;

[0070] Receiving a first signal in a first time-frequency resource;

[0071] Among them, the spatial parameters of the first signal are configured with reference to the downlink reference signal resources; whether the first time-frequency resource includes the effect of the first timing advance value depends on whether the spatial parameters of the first signal are also configured with the path loss offset; when the spatial parameters of the first signal are configured with the path loss offset, the first time-frequency resource includes the effect of the second timing advance value; when the spatial parameters of the first signal are not configured with the path loss offset, the first time-frequency resource includes the effect of the first timing advance value; the second timing advance value is different from the first timing advance value.

[0072] According to one aspect of the present application, the above method is characterized in that when the first time-frequency resource includes the effect of the first timing advance value, the starting moment of the uplink frame corresponding to the first time-frequency resource is advanced by a first time value compared to the starting moment of the downlink frame using the same frame number, and the first time value includes the first timing advance value; when the first time-frequency resource includes the effect of the second timing advance value, the starting moment of the uplink frame corresponding to the first time-frequency resource is advanced by a second time value compared to the starting moment of the downlink frame using the same frame number, the second time value includes the second timing advance value, and the second time value does not include the first timing advance value.

[0073] According to one aspect of the present application, the above method is characterized in that the second timing advance value is equal to 0.

[0074] According to one aspect of the present application, the above method is characterized in that the second timing advance value is equal to the sum of half of the first timing advance value and a candidate offset value; the candidate offset value is predefined, or the candidate offset value is configurable.

[0075] According to one aspect of the present application, the above method is characterized in that when the spatial parameter of the first signal is configured with the path loss offset, the transmit power value of the first signal depends on both the reference downlink reference signal resource and the path loss offset.

[0076] According to one aspect of the present application, the above method is characterized in that the spatial parameters of the first signal include an uplink TCI state, and when the spatial parameters of the first signal are configured with the path loss offset, the uplink TCI state is configured with two power control processes.

[0077] According to one aspect of the present application, the above method is characterized in that the spatial parameters of the first signal include an uplink TCI state, and when the spatial parameters of the first signal are configured with the path loss offset, the uplink TCI state and the TAG used by the first signal are respectively associated with two CORESET Pool Indexes.

[0078] According to one aspect of the present application, the above method is characterized in that the second node is a base station.

[0079] According to one aspect of the present application, the above method is characterized in that the second node is a user equipment.

[0080] According to one aspect of the present application, the above method is characterized in that the second node is a TRP.

[0081] The present application discloses a device for a first node used for wireless communication signal transmission, comprising:

[0082] A first receiver receives a first signaling, where the first signaling indicates a first timing advance value;

[0083] A first transmitter sends a first signal in a first time-frequency resource;

[0084] Among them, the spatial parameters of the first signal are configured with reference to the downlink reference signal resources; whether the first time-frequency resource includes the effect of the first timing advance value depends on whether the spatial parameters of the first signal are also configured with the path loss offset; when the spatial parameters of the first signal are configured with the path loss offset, the first time-frequency resource includes the effect of the second timing advance value; when the spatial parameters of the first signal are not configured with the path loss offset, the first time-frequency resource includes the effect of the first timing advance value; the second timing advance value is different from the first timing advance value.

[0085] The present application discloses a device for a second node used for wireless communication signal transmission, comprising:

[0086] A second transmitter sends a first signaling, where the first signaling indicates a first timing advance value;

[0087] A second receiver receives a first signal in a first time-frequency resource;

[0088] Among them, the spatial parameters of the first signal are configured with reference to the downlink reference signal resources; whether the first time-frequency resource includes the effect of the first timing advance value depends on whether the spatial parameters of the first signal are also configured with the path loss offset; when the spatial parameters of the first signal are configured with the path loss offset, the first time-frequency resource includes the effect of the second timing advance value; when the spatial parameters of the first signal are not configured with the path loss offset, the first time-frequency resource includes the effect of the first timing advance value; the second timing advance value is different from the first timing advance value.

[0089] As an embodiment, compared with the traditional solution, the present application has the following advantages but not limited to:

[0090] This application supports uplink multi-beam / TRP / panel transmission based on different timing advance values, improving uplink transmission performance;

[0091] Supports uplink and downlink asymmetric deployment scenarios to improve uplink throughput;

[0092] Optimize resource utilization, reduce transmission delay, and improve system response speed and user experience;

[0093] It makes minor changes to the current standard and has good backward compatibility. BRIEF DESCRIPTION OF THE DRAWINGS

[0094] 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:

[0095] FIG1 shows a flow chart of first node transmission according to an embodiment of the present application;

[0096] FIG2 shows a schematic diagram of a network architecture according to an embodiment of the present application;

[0097] 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;

[0098] FIG4 shows a schematic diagram of a first communication device and a second communication device according to an embodiment of the present application;

[0099] FIG5 shows a first flow chart of transmission between a first node and a second node according to an embodiment of the present application;

[0100] FIG6 shows a second flow chart of transmission between a first node and a second node according to an embodiment of the present application;

[0101] FIG7 is a schematic diagram showing a relationship between a first time-frequency resource, a first time value, and a second time value according to an embodiment of the present application;

[0102] FIG8 shows a schematic diagram of a second timing advance value according to an embodiment of the present application;

[0103] FIG9 is a schematic diagram showing a transmission power value of a first signal according to an embodiment of the present application;

[0104] FIG10 shows a first schematic diagram of spatial parameters of a first signal according to an embodiment of the present application;

[0105] FIG11 shows a second schematic diagram of spatial parameters of a first signal according to an embodiment of the present application;

[0106] FIG12 is a schematic diagram showing an application of the present application in an uplink and downlink asymmetric scenario according to an embodiment of the present application;

[0107] FIG13 shows a structural block diagram of a processing device used in a first node according to an embodiment of the present application;

[0108] FIG14 shows a structural block diagram of a processing device used in a second node according to an embodiment of the present application. DETAILED DESCRIPTION

[0109] 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.

[0110] Example 1

[0111] Example 1 illustrates a flowchart of a first node transmission according to an embodiment of the present application, as shown in FIG1 . In FIG1 , each box represents a step. In particular, the order of the steps in the boxes does not represent a specific temporal relationship between the steps.

[0112] In step 101 , the first node receives first signaling indicating a first timing advance value; and in step 102 , sends a first signal in a first time-frequency resource.

[0113] In Example 1, the spatial parameters of the first signal are configured with reference to a downlink reference signal resource; whether the first time-frequency resource includes the effect of the first timing advance value depends on whether the spatial parameters of the first signal are also configured with a path loss offset; when the spatial parameters of the first signal are configured with the path loss offset, the first time-frequency resource includes the effect of the second timing advance value; when the spatial parameters of the first signal are not configured with the path loss offset, the first time-frequency resource includes the effect of the first timing advance value; the second timing advance value is different from the first timing advance value.

[0114] As an embodiment, the first node is the first node in this application.

[0115] As an embodiment, the first node receives the first signaling.

[0116] As an embodiment, the first signaling includes dynamic signaling.

[0117] As an embodiment, the first signaling includes MAC (Medium Access Control) layer signaling.

[0118] As an embodiment, the first signaling is MAC layer signaling.

[0119] As an embodiment, the first signaling includes a MAC PDU (Protocol Data Unit).

[0120] As an embodiment, the first signaling includes a MAC subheader.

[0121] As an embodiment, the first signaling includes a MAC CE (Control Element).

[0122] As an embodiment, the first signaling includes physical layer signaling.

[0123] As an embodiment, the first signaling includes DCI (Downlink Control Information).

[0124] As an embodiment, the unit of the first timing advance value is millisecond (ms).

[0125] As an embodiment, the unit of the first timing advance value is microsecond (μs).

[0126] As an embodiment, the unit of the first timing advance value is TC.

[0127] As an embodiment, the unit of the first timing advance value is TS.

[0128] As an embodiment, the T C Equal to 1 / (Δf max ·N f ), where Δf max Equal to 480kHz (kilohertz), N f Equal to 4096.

[0129] As an embodiment, the T S Equal to 1 / (Δf ref ·N f,ref ), where Δf ref Equal to 15kHz, N f,ref Equal to 2048.

[0130] As an embodiment, the TC described in this application is a basic time unit for NR (New Radio).

[0131] As an embodiment, the TS described in this application is a basic time unit for LTE (Long-Term Evolution).

[0132] As an embodiment, the first timing advance value includes a timing advance between a downlink (DownLink, DL) and an uplink (UpLink, UL).

[0133] As an embodiment, the first timing advance value is a timing advance between an uplink and a downlink.

[0134] As an embodiment, the first timing advance value is a time offset between uplink timing and downlink timing.

[0135] As an embodiment, the first timing advance value is a time advance of the uplink timing relative to the downlink timing.

[0136] As an embodiment, the first timing advance value is a TTA value.

[0137] As an embodiment, the definition of NTA described in this application refers to clause 4.3.1 of 3GPP (the 3rd Generation Partnership Project) TS (Technical Specification) 38.211.

[0138] As an embodiment, the first timing advance value is an NTA value.

[0139] As an embodiment, the definition of NTA described in this application refers to Section 4.3.1 of 3GPP TS38.211.

[0140] As an embodiment, the first signaling indicates the first timing advance value.

[0141] As an embodiment, the first signaling carries the first timing advance value.

[0142] As an embodiment, the first signaling indicates a first integer, and the first integer is used to determine the first timing advance value.

[0143] As an embodiment, the first signaling includes a Timing Advance Command (TAC) field.

[0144] As an embodiment, the first signaling carries TAC, and the first timing advance value is indicated by the TAC.

[0145] As an embodiment, the first signaling carries TA, and the first timing advance value is indicated by the TA.

[0146] As an embodiment, the definition of TA described in this application refers to Section 4.2 of 3GPP TS38.213.

[0147] As an embodiment, the first signaling carries a timing offset value, and the first timing advance value is indicated by the timing offset.

[0148] As an embodiment, the first signaling includes a Timing Advance Command MAC CE.

[0149] As an embodiment, the first signaling includes an Absolute Timing Advance Command (MAC CE).

[0150] As an embodiment, the first signaling includes MAC RAR (Random Access Response).

[0151] As an embodiment, the first signaling includes fallbackRAR (fallback random access response).

[0152] As an embodiment, the first signaling includes an L1 / L2 triggered mobility (L1 / L2 Triggered Mobility, LTM) cell switch command (LTM Cell Switch Command) MAC CE.

[0153] As an embodiment, the first signaling includes a timing advance offset (Timing advance offset) MAC CE.

[0154] As an embodiment, the name of the MAC CE carrying the first signaling includes Timing.

[0155] As an embodiment, the name of the MAC CE carrying the first signaling includes Advance.

[0156] As an embodiment, the name of the MAC CE carrying the first signaling includes Command.

[0157] As an embodiment, the name of the MAC CE carrying the first signaling includes Offset.

[0158] As an embodiment, the first node sends the first signal in the first time-frequency resource.

[0159] As an embodiment, the first time-frequency resources include time domain resources and frequency domain resources.

[0160] As an embodiment, the first time-frequency resource occupies at least one RE (Resource Element).

[0161] Typically, one RE in this application occupies one symbol in the time domain and one subcarrier in the frequency domain.

[0162] As an embodiment, the first time-frequency resource occupies at least one RB (Resource Block).

[0163] Typically, one RB described in this application occupies 12 consecutive subcarriers in the frequency domain.

[0164] As an embodiment, the time domain resources occupied by the first time-frequency resources belong to an uplink frame.

[0165] As an embodiment, the first time-frequency resource includes a PUCCH (Physical Uplink Control CHannel) resource.

[0166] As an embodiment, the first time-frequency resource includes a PUSCH (Physical Uplink Shared CHannel) resource.

[0167] As an embodiment, the first time-frequency resource includes an SRS (Sounding Reference Signal) resource.

[0168] As an embodiment, the first signal includes a baseband signal.

[0169] As an embodiment, the first signal includes a wireless signal.

[0170] As an embodiment, the first signal includes a radio frequency signal.

[0171] As an embodiment, the first signal carries user information.

[0172] As an embodiment, the first signal includes UCI (Uplink Control Information, uplink control information).

[0173] As an embodiment, the first signal includes HARQ (Hybrid Automatic Repeat reQuest)-ACK (ACKnowledgement).

[0174] As an embodiment, the first signal carries a bit block, and the bit block includes at least one TB (Transport Block) or at least one CBG (Code Block Group).

[0175] As an embodiment, the first signal occupies the first time-frequency resources.

[0176] As an embodiment, the first signal is transmitted on PUSCH.

[0177] As an embodiment, the first signal is transmitted on PUCCH.

[0178] As an embodiment, the first signal includes SRS.

[0179] As an embodiment, the spatial parameter of the first signal is configured to reference the downlink reference signal resource.

[0180] As an embodiment, the spatial parameter of the first signal includes a QCL (Quasi Co-Location) relationship.

[0181] As an embodiment, the spatial parameters of the first signal include a QCL assumption.

[0182] As an embodiment, the spatial parameters of the first signal include QCL parameters.

[0183] As an embodiment, the spatial parameter of the first signal includes a spatial filter.

[0184] As an embodiment, the spatial parameter of the first signal includes an uplink transmit spatial filter (UL TX spatial filter).

[0185] As an embodiment, the spatial parameter of the first signal includes a spatial domain filter.

[0186] As an embodiment, the spatial parameter of the first signal includes a spatial transmission parameter (Spatial Tx parameter).

[0187] As an embodiment, the spatial parameter of the first signal includes a TCI (Transmission Configuration Indicator) state.

[0188] As an embodiment, the spatial parameter of the first signal includes UL TCI.

[0189] As an embodiment, the spatial parameter of the first signal includes a UL TCI state.

[0190] As an embodiment, the spatial parameter of the first signal includes TCI-UL-State.

[0191] As an embodiment, the spatial parameter of the first signal includes the UL TCI state configured for the first signal.

[0192] As an embodiment, the spatial parameter of the first signal includes the UL TCI state indicated by the first signal.

[0193] As an embodiment, the spatial parameter of the first signal includes the UL TCI state configured in the resource set where the first signal is located.

[0194] As an embodiment, the spatial parameter of the first signal includes the UL TCI state indicated by the resource set where the first signal is located.

[0195] As an embodiment, the QCL described in this application includes: one or more of: Doppler shift, Doppler spread, average delay, delay spread, spatial Tx parameter or spatial Rx parameter.

[0196] As an embodiment, the QCL types described in this application include typeA, typeB, typeC and typeD.

[0197] As an embodiment, the specific definitions of typeA, typeB, typeC and typeD in this application refer to Section 5.1.5 of 3GPP TS 38.214.

[0198] As an embodiment, a TCI-UL-State described in the present application configures a reference signal, and the reference signal is used to determine the uplink transmit spatial filter adopted for the uplink transmission; the uplink transmission includes a dynamically granted (dynamic-grant) or configured-grant (configured-grant) PUSCH or PUCCH transmission in a CC (Component Carrier), and the uplink transmission includes SRS transmission.

[0199] As an embodiment, the spatial parameter of the first signal is associated with a TRP (Transmitter Receiver Point).

[0200] As an embodiment, the spatial parameter of the first signal is associated with a CORESET (COntrol REsource SET) Pool Index.

[0201] As an embodiment, the downlink reference signal resource is a reference signal resource used for path loss (PL) estimation.

[0202] As an embodiment, the downlink reference signal resource corresponds to a reference signal resource identifier.

[0203] As an embodiment, the downlink reference signal resource corresponds to a path loss reference signal resource identifier.

[0204] As an embodiment, the identifier in this application refers to: Id.

[0205] As an embodiment, the identifier in this application refers to: index.

[0206] As an embodiment, the identifier described in this application refers to: identity.

[0207] As an embodiment, the identifier in this application refers to: identifier.

[0208] As an embodiment, the identification described in this application refers to: identification.

[0209] As an embodiment, the downlink reference signal resource includes at least one downlink reference signal (Reference Signal, RS).

[0210] As an embodiment, the downlink reference signal resource includes one of a CSI-RS (Channel State Information-Reference Signal) resource and an SSB.

[0211] As an embodiment, the downlink reference signal resource is one of a CSI-RS resource and an SSB.

[0212] As an embodiment, the downlink reference signal resources include CSI-RS resources.

[0213] As an embodiment, the downlink reference signal resource is a CSI-RS resource.

[0214] As an embodiment, the downlink reference signal resource is an NZP (Non-Zero-Power) CSI-RS resource.

[0215] As an embodiment, the downlink reference signal resource corresponds to an NZP-CSI-RS-ResourceId.

[0216] As an embodiment, the downlink reference signal resource includes SSB.

[0217] As an embodiment, the downlink reference signal resource is SSB.

[0218] As an embodiment, the downlink reference signal resource corresponds to an SSB-Index.

[0219] As an embodiment, the downlink reference signal resource corresponds to an ssb-Index.

[0220] As an embodiment, the SSB described in this application refers to: Synchronization Signal Block.

[0221] As an embodiment, the SSB described in this application refers to: SS (Synchronization Signal) / PBCH (Physical Broadcast Channel) block, synchronization signal / physical broadcast channel block.

[0222] Typically, the PBCH, PSS (Primary Synchronization Signal) and SSS (Secondary Synchronization Signal) are received in consecutive symbols and form an SS / PBCH block.

[0223] As an embodiment, the meaning of the downlink reference signal resource to which the spatial parameter of the first signal is configured for reference includes: the downlink reference signal resource to which the first signal is configured for reference.

[0224] As an embodiment, the downlink reference signal resource to which the spatial parameter of the first signal is configured for reference means that the downlink reference signal resource for reference is configured as an RS associated with the spatial parameter of the first signal.

[0225] As an embodiment, the spatial parameter of the first signal is configured with a downlink reference signal resource for reference, which means that the reference downlink reference signal resource is associated with the spatial parameter of the first signal.

[0226] As an embodiment, the downlink reference signal resource to which the spatial parameter of the first signal is configured as a reference includes: the reference downlink reference signal resource is configured as a reference RS of the spatial parameter of the first signal.

[0227] As an embodiment, the meaning that the spatial parameter of the first signal is configured as a reference downlink reference signal resource includes: the reference downlink reference signal resource is configured to be sent using the spatial parameter of the first signal.

[0228] As an embodiment, the downlink reference signal resource to which the spatial parameter of the first signal is configured for reference means that the downlink reference signal resource for reference is configured as a Pathloss Reference RS of the spatial parameter of the first signal.

[0229] As an embodiment, the spatial parameter of the first signal is configured with a reference downlink reference signal resource, which means that the first node is configured or indicated with a first spatial parameter, and when the first spatial parameter is applied to the transmission of the first signal, the reference downlink reference signal resource is used for the Pathloss Reference RS of the first signal.

[0230] As an embodiment, the spatial parameter of the first signal is configured with a downlink reference signal resource for reference, which means that the referenced downlink reference signal resource is spatial parameter specific.

[0231] As an embodiment, the spatial parameter of the first signal is configured with a reference downlink reference signal resource meaning that a transmission power value of the first signal when sent according to the spatial parameter of the first signal depends on the reference downlink reference signal resource.

[0232] As an embodiment, whether the first time-frequency resource includes the first timing advance value depends on whether the spatial parameter of the first signal is also configured with a path loss offset.

[0233] As an embodiment, the unit of the path loss offset is dB (deciBel, decibel).

[0234] As an embodiment, the value of the path loss offset is not 0.

[0235] As an embodiment, the path loss offset is configured or indicated through higher layer signaling.

[0236] As an embodiment, the path loss offset is configured or indicated through RRC (Radio Resource Control) signaling.

[0237] As an embodiment, the path loss offset is indicated through dynamic signaling.

[0238] As an embodiment, the path loss offset is configured or indicated through MAC CE.

[0239] As an embodiment, the path loss offset is not associated with a downlink RS.

[0240] As an embodiment, the path loss offset is not associated with a downlink reference signal resource.

[0241] As an embodiment, the path loss offset is not obtained through downlink measurement.

[0242] As an embodiment, the path loss offset is not obtained by the first node by measuring the reference downlink reference signal resource.

[0243] As an embodiment, the path loss offset is associated with an SRS resource set (SRS resource set).

[0244] As an embodiment, the path loss offset is associated with an SRS resource.

[0245] As an embodiment, the path loss offset is associated with a CORESET Pool Index.

[0246] As an embodiment, the path loss offset is associated with a TRP.

[0247] As an embodiment, the path loss offset is associated with a UL TRP.

[0248] As an embodiment, the path loss offset is associated with a UL TCI state.

[0249] As an embodiment, whether the spatial parameter of the first signal is further configured with a path loss offset includes: whether the spatial parameter of the first signal is configured with a path loss offset by the second node.

[0250] As an embodiment, whether the spatial parameter of the first signal is further configured with a path loss offset means that the first node is instructed as to whether the spatial parameter of the first signal is configured with a path loss offset.

[0251] As an embodiment, when the spatial parameter of the first signal is configured with the path loss offset, the first time-frequency resource includes the function of a second timing advance value.

[0252] As an embodiment, the spatial parameter of the first signal is configured with a path loss offset, which means that the spatial parameter of the first signal is configured with the path loss offset through RRC signaling.

[0253] As an embodiment, the spatial parameter of the first signal is configured with a path loss offset, which means that: the spatial parameter of the first signal is configured with the path loss offset through RRC signaling, and the path loss offset is enabled.

[0254] As an embodiment, the spatial parameter of the first signal is configured with a path loss offset, which means that: the spatial parameter of the first signal is configured with the path loss offset through RRC signaling, and the path loss offset is activated.

[0255] As an embodiment, the spatial parameter of the first signal is configured with a path loss offset, which means that the spatial parameter of the first signal is configured with the path loss offset through RRC signaling, and the path loss offset is indicated by dynamic signaling.

[0256] As an embodiment, the spatial parameter of the first signal is configured with a path loss offset, which means that a transmission power value of the first signal when being sent according to the spatial parameter of the first signal depends on the configured path loss offset.

[0257] As an embodiment, the unit of the second timing advance value is milliseconds.

[0258] As an embodiment, the unit of the second timing advance value is microseconds.

[0259] As an embodiment, the unit of the second timing advance value is TC.

[0260] As an embodiment, the unit of the second timing advance value is TS.

[0261] As an embodiment, the second timing advance value includes a timing advance between a downlink and an uplink.

[0262] As an embodiment, the second timing advance value is a timing advance between an uplink and a downlink.

[0263] As an embodiment, the second timing advance value is a time offset between uplink timing and downlink timing.

[0264] As an embodiment, the second timing advance value is a time advance of the uplink timing relative to the downlink timing.

[0265] As an embodiment, the second timing advance value is a TTA value.

[0266] As an embodiment, the second timing advance value is an NTA value.

[0267] As an embodiment, the first timing advance value and the timing advance value are respectively a TTA value.

[0268] As an embodiment, the first timing advance value and the timing advance value are each an NTA value.

[0269] As an embodiment, the first time-frequency resource includes the second timing advance value, which means that the second timing advance value is used to determine the second uplink timing, and the uplink frame where the first time-frequency resource is located is transmitted according to the second uplink timing.

[0270] As an embodiment, the first time-frequency resource includes the second timing advance value, which means that the second timing advance value is used to determine a second time value, and the uplink frame where the first time-frequency resource is located is advanced by the second time value relative to the corresponding downlink frame.

[0271] As an embodiment, the first time-frequency resource includes the function of the second timing advance value, which means that the second timing advance value is used to determine a second time value, and the start of the uplink frame where the first time-frequency resource is located is advanced by the second time value relative to the start of the corresponding downlink frame.

[0272] As an embodiment, the first time-frequency resource includes the second timing advance value, which means that the second timing advance value is used to determine a second time value, and the timing of the first node for the first time-frequency resource is offset by the second time value compared to the downlink timing of the first node.

[0273] As an embodiment, when the spatial parameter of the first signal is not configured with the path loss offset, the first time-frequency resource includes the effect of the first timing advance value.

[0274] As an embodiment, the meaning that the spatial parameter of the first signal is not configured with the path loss offset includes: the spatial parameter of the first signal is not configured with the path loss offset through RRC signaling.

[0275] As an embodiment, the meaning that the spatial parameter of the first signal is not configured with the path loss offset includes: the spatial parameter of the first signal is configured with the path loss offset through RRC signaling, and the path loss offset is not enabled.

[0276] As an embodiment, the meaning that the spatial parameter of the first signal is not configured with the path loss offset includes: the spatial parameter of the first signal is configured with the path loss offset through RRC signaling, and the path loss offset is not activated.

[0277] As an embodiment, the spatial parameter of the first signal is not configured with the path loss offset meaning that a transmission power value of the first signal when sent according to the spatial parameter of the first signal does not depend on the configured path loss offset.

[0278] As an embodiment, the first time-frequency resource includes the first timing advance value, which means that the first timing advance value is used to determine the first uplink timing, and the uplink frame where the first time-frequency resource is located is transmitted according to the first uplink timing.

[0279] As an embodiment, the first time-frequency resource includes the first timing advance value, which means that the first timing advance value is used to determine a first time value, and the uplink frame where the first time-frequency resource is located is advanced by the first time value relative to the corresponding downlink frame.

[0280] As an embodiment, the first time-frequency resource includes the first timing advance value, which means that the first timing advance value is used to determine a first time value, and the start of the uplink frame where the first time-frequency resource is located is advanced by the first time value relative to the start of the corresponding downlink frame.

[0281] As an embodiment, the first time-frequency resource includes the first timing advance value, which means that the first timing advance value is used to determine a first time value, and the timing of the first node for the first time-frequency resource is offset by the first time value compared to the downlink timing at the first node.

[0282] As an embodiment, the second timing advance value is different from the first timing advance value.

[0283] As an embodiment, the second timing advance value and the first timing advance value have different values.

[0284] As an embodiment, the second timing advance value is equal to 0.

[0285] As an embodiment, the second timing advance value is not equal to 0.

[0286] As an embodiment, the first timing advance value and the second timing advance value are applicable to the same cell.

[0287] As an embodiment, the first timing advance value and the second timing advance value are applicable to the same BWP (BandWidth Part).

[0288] As an embodiment, the first timing advance value and the second timing advance value are applicable to the same component carrier (CC).

[0289] As an embodiment, the first timing advance value and the second timing advance value are for the same TAG (Time Advance Group).

[0290] As an embodiment, the first timing advance value and the second timing advance value are for different TAGs.

[0291] As an embodiment, the first timing advance value and the second timing advance value are for different TRPs.

[0292] As an embodiment, the sender of the first signaling and the receiver of the first signal are not co-located.

[0293] As an embodiment, the sender of the first signaling and the receiver of the first signal correspond to two nodes respectively.

[0294] As an embodiment, the sender of the first signaling and the receiver of the first signal correspond to two TRPs respectively.

[0295] Example 2

[0296] Example 2 illustrates a schematic diagram of a network architecture according to an embodiment of the present application, as shown in Figure 2.

[0297] FIG2 illustrates a network architecture 200. Network architecture 200 is the network architecture for LTE (Long-Term Evolution), LTE-A (Long-Term Evolution Advanced), 5G systems, 5G-Advanced, and future 6G systems. The network architecture for LTE, LTE-A, 5G systems, 5G-Advanced, and future 6G systems is referred to as EPS (Evolved Packet System). The 5G NR or LTE network architecture may be referred to as 5GS (5G System) / EPS or some other suitable terminology; the 6G network architecture may be referred to as 6GS (6G System) / EPS or some other suitable terminology. Network architecture 200 may include one or more UEs 201, a Next Generation Radio Access Network (RAN) 202, a core network 210, a Home Subscriber Server (HSS) / Unified Data Management (UDM) 220, and Internet services 230. The network architecture 200 can interconnect with other access networks, but for simplicity these entities / interfaces are not shown. As shown in FIG2 , the network architecture 200 provides packet-switched services, 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. The RAN 202 includes a Node B 203 and other nodes 204. Node 203 provides user and control plane protocol termination towards the UE 201. Node 203 can be connected to the other nodes 204 via an Xn interface (e.g., backhaul). Node 203 may also be referred to as a base station, a base transceiver station, a radio base station, a radio transceiver, a transceiver function, a Basic Service Set (BSS), an Extended Service Set (ESS), a Transmitter Receiver Point (TRP), or some other appropriate terminology. Node 203 provides an access point to the core network 210 for UE 201; the core network 210 is 5GC (5G Core Network) / EPC (Evolved Packet Core), or the core network 210 is 6GC.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, 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 physical network 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 term. Node 203 is connected to core network 210 via an S1 / NG interface. The core network 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 the control node that handles signaling between the UE 201 and the 5G-CN / EPC 210. Generally, the MME / AMF / SMF 211 provides bearer and connection management. All user Internet Protocol (IP) 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 service 230. The Internet service 230 includes operator-specific Internet protocol services, which may include the Internet, intranet, IMS (IP Multimedia Subsystem), and packet switching services.

[0298] As an embodiment, the first node in the present application includes the UE 201.

[0299] As an embodiment, the second node in this application includes the node 203.

[0300] As an embodiment, the node 203 is a macro cell base station.

[0301] As an embodiment, the node 203 is a micro cell base station.

[0302] As an embodiment, the node 203 is a pico cell base station.

[0303] As an embodiment, the node 203 is a home base station (Femtocell).

[0304] As an embodiment, the node 203 is a base station device that supports a large delay difference.

[0305] As an embodiment, the node 203 is a flying platform device.

[0306] As an embodiment, the node 203 is a satellite device.

[0307] As an embodiment, the node 203 is a test device (eg, a transceiver that simulates some functions of a base station, a signaling tester).

[0308] As an embodiment, the node 203 includes a UL TRP.

[0309] As an embodiment, the node 203 includes a DL TRP.

[0310] As an embodiment, the node 203 includes a traditional uplink receiving point and a remote UL-TRP.

[0311] As an embodiment, the UE 201 includes a mobile phone.

[0312] As an embodiment, the UE 201 is a vehicle including a car.

[0313] As an embodiment, the wireless link from the UE 201 to the node 203 is an uplink, and the uplink is used to perform uplink transmission.

[0314] As an embodiment, the wireless link from the node 203 to the UE 201 is a downlink, and the downlink is used to perform downlink transmission.

[0315] As an embodiment, the wireless link between the node 203 and the UE 201 includes a cellular network link.

[0316] As an embodiment, the node 203 and the UE 201 are connected via a Uu air interface.

[0317] As an embodiment, the sender of the first signaling includes the node 203.

[0318] As an embodiment, the recipient of the first signaling includes the UE 201.

[0319] As an embodiment, the sender of the first signal includes the UE 201.

[0320] As an embodiment, the receiver of the first signal includes the node 203.

[0321] As an embodiment, the receiver of the first signal includes the node 204.

[0322] As an embodiment, the UE 201 supports UL / DL asymmetric deployment.

[0323] As an embodiment, the node 203 supports UL / DL asymmetric deployment.

[0324] As an embodiment, the node 203 and the node 204 support UL / DL asymmetric deployment.

[0325] As an embodiment, the node 203 supports shutting down DL transmission.

[0326] As an embodiment, the node 204 supports shutting down DL transmission.

[0327] As an embodiment, the UE 201 supports multi-panel (antenna panel) / TRP transmission based on multi-TA.

[0328] As an embodiment, the UE 201 supports the Unified TCI framework.

[0329] As an embodiment, the UE 201 supports a 5G system.

[0330] As an embodiment, the node 203 supports a 5G system.

[0331] As an embodiment, the UE 201 supports at least the 6G system.

[0332] As an embodiment, the node 203 supports at least a 6G system.

[0333] Example 3

[0334] Embodiment 3 illustrates a schematic diagram of an embodiment of a wireless protocol architecture of a user plane and a control plane according to an embodiment of the present application, as shown in FIG3 .

[0335] 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 a first communication node device (a UE or RSU (Road Side Unit) in a V2X (Vehicle to Everything) network, a vehicle-mounted device, or a vehicle-mounted communication module) and a second node device (a gNB, a UE or RSU in a V2X network, a vehicle-mounted device, or a vehicle-mounted communication module), or the control plane 300 between two UEs using three layers: Layer 1 (L1), Layer 2 (L2), and Layer 3 (L3). L1 is the lowest layer and implements various PHY (Physical Layer) signal processing functions. L1 will be referred to herein as PHY 301. L2 305, located above PHY 301, is responsible for the link between the first and second node devices, or between two UEs, through PHY 301. L2 305 includes the MAC (Medium Access Control) sublayer 302, the RLC (Radio Link Control) sublayer 303, and the PDCP (Packet Data Convergence Protocol) sublayer 304, which terminate at the second node device. 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 handover of the first communication node device between the second communication node devices. 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) in a cell between the first communication node devices. The MAC sublayer 302 is also responsible for HARQ operations. The RRC (Radio Resource Control) sublayer 306 in L3 in the control plane 300 is responsible for obtaining radio resources (ie, radio bearers) and configuring lower layers using RRC signaling between the second communication node device and the first communication node device.The radio protocol architecture of the user plane 350 includes Layer 1 (L1) and Layer 2 (L2). The radio protocol architecture for the first and second communication node devices in the user plane 350 is substantially identical to the corresponding layers and sublayers in the control plane 300, including the physical layer 351, the PDCP sublayer 354 in Layer 2 355, the RLC sublayer 353 in Layer 2 355, and the MAC sublayer 352 in Layer 2 355. However, the PDCP sublayer 354 also provides header compression for upper layer packets to reduce radio transmission overhead. Layer 2 355 in the user plane 350 also includes the SDAP (Service Data Adaptation Protocol) sublayer 356, which is responsible for mapping QoS (Quality of Service) flows to data radio bearers (DRBs) to support service diversity. Although not shown, the first communication node device may have several upper layers above L2 355, including a network layer (e.g., an IP (Internet Protocol) layer) terminated at the P-GW on the network side and an application layer terminated at the other end of the connection (e.g., a remote UE, a server, etc.).

[0336] As an embodiment, the wireless protocol architecture in FIG3 is applicable to the first node in this application.

[0337] As an embodiment, the wireless protocol architecture in FIG3 is applicable to the second node in this application.

[0338] As an embodiment, the first signaling is generated by the MAC 302 or MAC 352.

[0339] As an embodiment, the first signaling is generated by the PHY 301 or PHY 351.

[0340] As an embodiment, the first signal is generated by the PHY 301 or PHY 351 .

[0341] As an embodiment, the higher layer mentioned in this application refers to a layer above the physical layer.

[0342] As an embodiment, the higher layer described in the present application includes a MAC layer.

[0343] As an embodiment, the higher layer described in the present application includes an RRC layer.

[0344] Example 4

[0345] Embodiment 4 illustrates a schematic diagram of a first communication device and a second communication device according to an embodiment of the present application, as shown in Figure 4. Figure 4 is a block diagram of a first communication device 410 and a second communication device 450 communicating with each other in an access network.

[0346] The first communications 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 .

[0347] The second 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 .

[0348] In transmission from the first communications device 410 to the second communications device 450, at the first communications device 410, upper layer data packets from the core network are provided to the controller / processor 475. The controller / processor 475 implements L2 functionality. In the DL, the controller / processor 475 provides header compression, encryption, packet segmentation and reordering, multiplexing between logical and transport channels, and allocation of radio resources to the second communications device 450 based on various priority metrics. The controller / processor 475 is also responsible for HARQ operations, retransmission of lost packets, and signaling to the second communications device 450. The transmit processor 416 and the multi-antenna transmit processor 471 implement various signal processing functions for the L1 (i.e., physical layer). The transmit processor 416 performs coding and interleaving to facilitate forward error correction (FEC) at the second communications device 450, 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-ary phase shift keying (M-PSK), and M-quadrature amplitude modulation (M-QAM)). The multi-antenna transmit processor 471 performs digital spatial precoding on the coded and modulated symbols, including codebook-based and non-codebook-based precoding and beamforming, to generate one or more parallel streams. The transmit processor 416 then maps each parallel stream to a subcarrier, multiplexes the modulated symbols 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 multi-carrier symbol stream. The multi-antenna transmit processor 471 then performs transmit analog precoding / beamforming operations on the time-domain multi-carrier 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, which is then provided to a different antenna 420.

[0349] During transmission from the first communication device 410 to the second communication device 450, at the second 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 physical layer data signal and reference signal are demultiplexed by the receive processor 456, where the reference signal is used for channel estimation. The data signal is recovered in the multi-antenna receive processor 458 after multi-antenna detection to any parallel stream destined for the second communication device 450. The symbols on each parallel 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 first 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 L2 functionality. 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. In the DL, 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 L2. Various control signals may also be provided to L3 for L3 processing. The controller / processor 459 is also responsible for error detection using acknowledgment (ACK) and / or negative acknowledgment (NACK) protocols to support HARQ operations.

[0350] During transmission from the second communications device 450 to the first communications device 410, at the second communications device 450, a data source 467 is used to provide upper layer data packets to the controller / processor 459. The data source 467 represents all protocol layers above L2. Similar to the transmit functionality at the first communications device 410 described in the DL, the controller / processor 459 implements header compression, encryption, packet segmentation and reordering, and multiplexing between logical and transport channels based on the radio resource allocation of the first communications device 410, implementing L2 functionality for both the user plane and the control plane. The controller / processor 459 is also responsible for HARQ operations, retransmission of lost packets, and signaling to the first communications 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 parallel streams into multi-carrier / single-carrier symbol streams. After analog precoding and beamforming operations in the multi-antenna transmit processor 457, these streams are 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.

[0351] During transmission from the second communication device 450 to the first communication device 410, the functionality at the first communication device 410 is similar to the reception functionality at the second communication device 450 described for transmission from the first communication device 410 to the second communication 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 the multi-antenna receive processor 472 and the receive processor 470. The receive processor 470 and the multi-antenna receive processor 472 collectively implement L1 functionality. The controller / processor 475 implements L2 functionality. The controller / processor 475 may be associated with a memory 476 storing program code and data. The memory 476 may be referred to as a computer-readable medium. The controller / processor 475 provides demultiplexing between transmit and logical channels, packet reassembly, decryption, header decompression, and control signal processing to recover upper layer data packets from the second communication device 450. The upper layer data packets from the controller / processor 475 may be provided to the core network. The controller / processor 475 is also responsible for error detection using an ACK and / or NACK protocol to support HARQ operations.

[0352] As an embodiment, the second 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. The second communication device 450 device receives at least first signaling, the first signaling indicating a first timing advance value; sends a first signal in a first time-frequency resource; the spatial parameters of the first signal are configured to refer to a downlink reference signal resource; whether the first time-frequency resource includes the effect of the first timing advance value depends on whether the spatial parameters of the first signal are also configured with a path loss offset; when the spatial parameters of the first signal are configured with the path loss offset, the first time-frequency resource includes the effect of the second timing advance value; when the spatial parameters of the first signal are not configured with the path loss offset, the first time-frequency resource includes the effect of the first timing advance value; the second timing advance value is different from the first timing advance value.

[0353] As an embodiment, the second 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: receiving a first signaling; and sending a first signal in a first time-frequency resource.

[0354] As an embodiment, the first 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 first communication device 410 device receives at least first signaling, the first signaling indicating a first timing advance value; receives a first signal in a first time-frequency resource; the spatial parameters of the first signal are configured to refer to a downlink reference signal resource; whether the first time-frequency resource includes the effect of the first timing advance value depends on whether the spatial parameters of the first signal are also configured with a path loss offset; when the spatial parameters of the first signal are configured with the path loss offset, the first time-frequency resource includes the effect of a second timing advance value; when the spatial parameters of the first signal are not configured with the path loss offset, the first time-frequency resource includes the effect of the first timing advance value; the second timing advance value is different from the first timing advance value.

[0355] As an embodiment, the first communication device 410 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 signaling; receiving a first signal in a first time-frequency resource.

[0356] As an embodiment, the first node in this application includes the second communication device 450.

[0357] As an embodiment, the second node in this application includes the first communication device 410.

[0358] As an embodiment, at least one of {the antenna 420, the transmitter 418, the transmit processor 416, the multi-antenna transmit processor 471, the controller / processor 475, and the memory 476} is used to send the first signaling; and at least one of {the antenna 452, the receiver 454, the receive processor 456, the multi-antenna receive processor 458, the controller / processor 459, the memory 460, and the data source 467} is used to receive the first signaling.

[0359] As an embodiment, at least one of {the antenna 452, the transmitter 454, the transmit processor 468, the multi-antenna transmit processor 457, the controller / processor 459, the memory 460, and the data source 467} is used to send a first signal in a first time-frequency resource; and at least one of {the antenna 420, the receiver 418, the receive processor 470, the multi-antenna receive processor 472, the controller / processor 475, and the memory 476} is used to receive a first signal in a first time-frequency resource.

[0360] Example 5

[0361] Example 5 illustrates a first flowchart of transmissions between a first node and a second node according to an embodiment of the present application. In Figure 5, first node U1 and second node N2 communicate via a wireless link. It should be noted that the order in this example does not limit the order of signal transmission and implementation in this application. The embodiments, sub-embodiments, and subsidiary embodiments of Example 5 can be applied to Example 6 unless there is a conflict; conversely, any embodiment, sub-embodiment, or subsidiary embodiment of Example 6 can be applied to Example 5 unless there is a conflict.

[0362] For the first node U1, the first signaling is received in step S510.

[0363] For the second node N2, a first signaling is sent in step S520.

[0364] In embodiment 5, the first signaling indicates a first timing advance value.

[0365] As an embodiment, the first node U1 is the first node in this application.

[0366] As an embodiment, the second node N2 is the second node in this application.

[0367] As an embodiment, the air interface between the second node N2 and the first node U1 includes a wireless interface between a base station device and a user equipment.

[0368] As an embodiment, the air interface between the second node N2 and the first node U1 includes a wireless interface between a relay node device and a user equipment.

[0369] As an embodiment, the air interface between the second node N2 and the first node U1 includes a wireless interface between user equipments.

[0370] As an embodiment, the air interface between the second node N2 and the first node U1 includes one or more of a wireless interface between a TRP and a user equipment, a wireless interface between a CU and a user equipment, or a wireless interface between a DU and a user equipment.

[0371] As an embodiment, the second node N2 and the first node U1 communicate with each other via a Uu interface.

[0372] As an embodiment, the second node N2 is a base station maintaining a service cell of the first node U1.

[0373] As an embodiment, the first signaling is transmitted on a physical layer control channel (only used to transmit physical layer control signaling).

[0374] As an embodiment, the first signaling is transmitted on a physical layer data channel (transmitting user data).

[0375] As an embodiment, the physical layer channel occupied by the first signaling includes PDCCH (Physical Downlink Control CHannel, physical layer control signal).

[0376] As an embodiment, the physical layer channel occupied by the first signaling includes PDSCH (Physical Downlink Shared CHannel, physical layer data signal).

[0377] Example 6

[0378] Example 6 illustrates a second flow chart for transmission between a first node and a second node according to an embodiment of the present application. In Figure 6, the first node U3 and the second node N4 communicate via a wireless link. It should be noted that the order in this example does not limit the order of signal transmission and implementation in this application. Where there is no conflict, the embodiments, sub-embodiments, and subsidiary embodiments of Example 6 can be applied to Example 5; conversely, where there is no conflict, any embodiment, sub-embodiment, and subsidiary embodiment of Example 5 can be applied to Example 6.

[0379] For the first node U3, in step S630, a first signal is sent in a first time-frequency resource.

[0380] For the second node N4, in step S640, a first signal is received in the first time-frequency resource.

[0381] In Example 6, the spatial parameters of the first signal are configured with reference to a downlink reference signal resource; whether the first time-frequency resource includes the effect of the first timing advance value depends on whether the spatial parameters of the first signal are also configured with a path loss offset; when the spatial parameters of the first signal are configured with the path loss offset, the first time-frequency resource includes the effect of the second timing advance value; when the spatial parameters of the first signal are not configured with the path loss offset, the first time-frequency resource includes the effect of the first timing advance value; the second timing advance value is different from the first timing advance value.

[0382] As an embodiment, the first node U3 is the first node in this application.

[0383] As an embodiment, the first node U3 is the first node U1 in Example 5 of the present application.

[0384] As an embodiment, the second node N4 is the second node in this application.

[0385] As an embodiment, the second node N4 is a node other than the second node in this application.

[0386] As an embodiment, the second node N4 is a node other than the second node N2 in Embodiment 5 of the present application.

[0387] As an embodiment, the second node N4 and the second node N2 in embodiment 5 of the present application are two TRPs respectively.

[0388] As an embodiment, the second node N4 and the second node N2 in embodiment 5 of the present application are two nodes respectively.

[0389] As an embodiment, the second node N4 and the second node N2 in embodiment 5 of the present application are co-located.

[0390] As an embodiment, the second node N4 and the second node N2 in embodiment 5 of the present application are not co-located.

[0391] As an embodiment, the air interface between the second node N4 and the first node U3 includes a wireless interface between a base station device and a user equipment.

[0392] As an embodiment, the air interface between the second node N4 and the first node U3 includes a wireless interface between a relay node device and a user equipment.

[0393] As an embodiment, the air interface between the second node N4 and the first node U3 includes a wireless interface between user equipments.

[0394] As an embodiment, the air interface between the second node N4 and the first node U3 includes one or more of a wireless interface between the TRP and the user equipment, a wireless interface between the CU and the user equipment, or a wireless interface between the DU and the user equipment.

[0395] As an embodiment, the second node N4 and the first node U3 communicate with each other through a Uu interface.

[0396] As an embodiment, the second node N4 is a base station maintaining a service cell of the first node U3.

[0397] As an embodiment, the first signal is transmitted on a physical layer control channel (only used to transmit physical layer signaling).

[0398] As an embodiment, the first signal is transmitted on a physical layer data channel (used to transmit user data).

[0399] As an embodiment, the physical layer channel occupied by the first signal includes PUSCH.

[0400] As an embodiment, the physical layer channel occupied by the first signal includes PUCCH.

[0401] As an embodiment, the first signal includes SRS.

[0402] As an embodiment, step S630 is performed after step S510 described in embodiment 5 of the present application.

[0403] As an embodiment, the receiver of the first signal includes the second node N2 in Embodiment 5 of the present application; the step S640 is after the step S520 in Embodiment 5 of the present application.

[0404] As a sub-embodiment of this embodiment, the first time-frequency resource includes the function of the first timing advance value.

[0405] As a sub-embodiment of this embodiment, the spatial parameter of the first signal is configured with the path loss offset.

[0406] As an embodiment, the receiver of the first signal does not include the second node N2 in embodiment 5.

[0407] As a sub-embodiment of this embodiment, the first time-frequency resource includes the function of the second timing advance value.

[0408] As a sub-embodiment of this embodiment, the spatial parameter of the first signal is not configured with the path loss offset.

[0409] Example 7

[0410] Embodiment 7 illustrates a schematic diagram of the relationship between the first time-frequency resource and the first time value and the second time value according to an embodiment of the present application, as shown in Figure 7. In Figure 7, the rectangle filled with the upper diagonal line represents the uplink frame i corresponding to the first time-frequency resource, and the unfilled rectangle represents the downlink frame i with the same frame number corresponding to the uplink frame i; when the first time-frequency resource includes the effect of the first timing advance value, the starting moment of the uplink frame i corresponding to the first time-frequency resource is advanced by the first time value compared to the starting moment of the downlink frame i with the same frame number; when the first time-frequency resource includes the effect of the second timing advance value, the starting moment of the uplink frame i corresponding to the first time-frequency resource is advanced by the second time value compared to the starting moment of the downlink frame i with the same frame number.

[0411] In embodiment 7, the first time value includes the first timing advance value; the second time value includes the second timing advance value, and the second time value does not include the first timing advance value.

[0412] As an embodiment, when the first time-frequency resource includes the effect of the first timing advance value, the starting moment of the uplink frame corresponding to the first time-frequency resource is advanced by a first time value compared to the starting moment of the downlink frame using the same frame number, and the first time value includes the first timing advance value; when the first time-frequency resource includes the effect of the second timing advance value, the starting moment of the uplink frame corresponding to the first time-frequency resource is advanced by a second time value compared to the starting moment of the downlink frame using the same frame number, the second time value includes the second timing advance value, and the second time value does not include the first timing advance value.

[0413] As an embodiment, the unit of the first time value is milliseconds.

[0414] As an embodiment, the unit of the first time value is microseconds.

[0415] As an embodiment, the unit of the first time value is TC.

[0416] As an embodiment, the unit of the first time value is TS.

[0417] As an embodiment, the unit of the second time value is milliseconds.

[0418] As an embodiment, the unit of the second time value is microseconds.

[0419] As an embodiment, the unit of the second time value is TC.

[0420] As an embodiment, the unit of the second time value is TS.

[0421] As an embodiment, the first time value indicates the starting time of the uplink frame corresponding to the first time-frequency resource.

[0422] As an embodiment, the second time value indicates the starting time of the uplink frame corresponding to the first time-frequency resource.

[0423] As an embodiment, the first time value is a timing advance between uplink and downlink.

[0424] As an embodiment, the first time value is the time offset between the uplink timing and the downlink timing.

[0425] As an embodiment, the first time value is a time advance of the uplink timing relative to the downlink timing.

[0426] As an embodiment, the second time value is a timing advance between uplink and downlink.

[0427] As an embodiment, the second time value is the time offset between the uplink timing and the downlink timing.

[0428] As an embodiment, the second time value is a time advance of the uplink timing relative to the downlink timing.

[0429] As an embodiment, the first time value includes at least the first timing advance value among the first timing advance value, the first timing offset value, the first common timing advance value or the first UE timing value.

[0430] As an embodiment, the second time value includes at least the second timing advance value among the second timing advance value, the first timing offset value, the first common timing advance value or the first UE timing value.

[0431] As a sub-embodiment of the above two embodiments, the first timing offset value is equal to 0.

[0432] As a sub-embodiment of the above two embodiments, the first timing offset value is configured through RRC signaling.

[0433] As a sub-embodiment of the above two embodiments, the first timing offset value corresponds to N in TS 38.213. TA,offset .

[0434] As a sub-embodiment of the above two embodiments, the first timing offset value is cell-common.

[0435] As a sub-embodiment of the above two embodiments, the first timing offset value depends on the spatial parameter of the first signal.

[0436] As a sub-embodiment of the above two embodiments, the first common timing advance value is equal to 0.

[0437] As a sub-embodiment of the above two embodiments, the unit of the first common timing advance value is microseconds.

[0438] As a sub-embodiment of the above two embodiments, the first common timing advance value is configured through RRC signaling.

[0439] As a sub-embodiment of the above two embodiments, the first common timing advance value corresponds to

[0440] As a sub-embodiment of the above two embodiments, the first common timing advance value is a network-controlled public timing advance value.

[0441] As a sub-embodiment of the above two embodiments, the first common timing advance value depends on the spatial parameter of the first signal.

[0442] As a sub-embodiment of the above two embodiments, the first UE timing value is equal to 0.

[0443] As a sub-embodiment of the above two embodiments, the first UE timing value is configured through RRC signaling.

[0444] As a sub-embodiment of the above two embodiments, the first UE timing value depends on the delay value of satellite-to-ground bidirectional transmission when the UE uses the serving satellite.

[0445] As a sub-embodiment of the above two embodiments, the first UE timing value corresponds to

[0446] Example 8

[0447] Embodiment 8 illustrates a schematic diagram of a second timing advance value according to an embodiment of the present application, as shown in Figure 8. In Figure 8, the second timing advance value is equal to the sum of half of the first timing advance value and a candidate offset value.

[0448] In embodiment 8, the candidate offset value is predefined, or the candidate offset value is configurable.

[0449] As an embodiment, the unit of the candidate offset value is milliseconds.

[0450] As an embodiment, the unit of the candidate offset value is microseconds.

[0451] As an embodiment, the unit of the candidate offset value is TC.

[0452] As an embodiment, the unit of the candidate offset value is TS.

[0453] As an embodiment, the candidate offset value is a non-negative integer.

[0454] As an embodiment, the candidate offset values ​​are predefined.

[0455] As an embodiment, the candidate offset values ​​are preconfigured.

[0456] As an embodiment, the candidate offset value is configured through high-layer signaling.

[0457] As an embodiment, the candidate offset value is configured through RRC signaling.

[0458] As an embodiment, the candidate offset value depends on the spatial parameter of the first signal.

[0459] As an embodiment, the spatial parameter of the first signal is configured with the candidate offset value.

[0460] As an embodiment, the spatial parameter of the first signal includes an uplink TCI state, and the uplink TCI state is configured with the candidate offset value.

[0461] As an embodiment, the candidate offset value depends on an SRS resource of the first signal QCL.

[0462] As an embodiment, the SRS resource associated with the first signal QCL is configured with the candidate offset value.

[0463] As an embodiment, the candidate offset value depends on the SRS resource set to which the SRS resource of the first signal QCL belongs.

[0464] As an embodiment, the SRS resource set to which the SRS resource of the first signal QCL belongs is configured with the candidate offset value.

[0465] As an embodiment, the second timing advance value is equal to the sum of half of the first timing advance value and the candidate offset value.

[0466] Example 9

[0467] Embodiment 9 illustrates a schematic diagram of the transmit power value of the first signal according to an embodiment of the present application, as shown in FIG9. In FIG9, the transmit power value of the first signal depends on both the reference downlink reference signal resource and the path loss offset.

[0468] In embodiment 9, the spatial parameter of the first signal is configured with the path loss offset.

[0469] As an embodiment, the unit of the transmission power value of the first signal is dBm (deciBel relative to one milliwatt).

[0470] As an embodiment, the unit of the transmission power value of the first signal is mW (milliWatt).

[0471] As an embodiment, the unit of the transmission power value of the first signal is W (Watt, watt).

[0472] As an embodiment, the first node measures a downlink reference signal in the reference downlink reference signal resource to obtain a first path loss.

[0473] As an embodiment, the first path loss in this application is downstream.

[0474] As an embodiment, the unit of the first path loss in this application is dB.

[0475] As an embodiment, in this application, the first path loss is estimated by the first node.

[0476] As an embodiment, in the present application, the first path loss is obtained by subtracting the received power of the downlink reference signal in the reference downlink reference signal resource measured by the first node from the expected power of the downlink reference signal in the reference downlink reference signal resource.

[0477] As an embodiment, the first path loss in the present application is obtained by subtracting the RSRP (Reference Signal Receiving Power) of the downlink reference signal in the reference downlink reference signal resource measured by the first node from the expected power of the downlink reference signal in the reference downlink reference signal resource.

[0478] As an embodiment, the expected power of the downlink reference signal in the present application is the linear average of the power contributions of all REs (Resource Elements) carrying the downlink reference signal within the operating system bandwidth.

[0479] As an embodiment, the expected power of the downlink reference signal in the present application is the linear average of the power contributions of the REs that carry the configured downlink reference signal within the working system bandwidth.

[0480] As an embodiment, the expected power of the downlink reference signal described in this application is configured by higher layer signaling.

[0481] As an embodiment, the expected power of the downlink reference signal described in this application is configured by RRC signaling.

[0482] As an embodiment, the expected power of the downlink reference signal described in this application is indicated by higher-layer signaling.

[0483] As an embodiment, the expected power of the downlink reference signal described in this application is indicated by RRC signaling.

[0484] As an embodiment, the RSRP obtained by measuring the downlink reference signal in this application is the RSRP filtered by a higher layer.

[0485] As an embodiment, the RSRP obtained by measuring the downlink reference signal in the present application is the RSRP of Layer 3 (Layer 3, L3).

[0486] As an embodiment, the RSRP obtained by measuring the downlink reference signal in this application is L3-RSRP.

[0487] As an embodiment, the unit of RSRP obtained by measuring the downlink reference signal in this application is dBm.

[0488] As an embodiment, the unit of RSRP obtained by measuring the downlink reference signal in this application is mW.

[0489] As an embodiment, the unit of RSRP obtained by measuring the downlink reference signal in this application is W.

[0490] As an embodiment, when the spatial parameter of the first signal is configured with the path loss offset, the transmit power value of the first signal depends on the first path loss and the path loss offset in this application.

[0491] As an embodiment, when the spatial parameter of the first signal is configured with the path loss offset, the transmit power value of the first signal is linearly correlated with the second path loss, and the second path loss depends on the first path loss and the path loss offset in this application.

[0492] As a sub-embodiment of this embodiment, the second path loss is equal to the sum of the first path loss and the path loss offset.

[0493] As a sub-embodiment of this embodiment, the second path loss is equal to the difference between the first path loss and the path loss offset.

[0494] As an embodiment, the transmit power value of the first signal is linearly correlated with the sum of the first path loss and the path loss offset.

[0495] As an embodiment, the transmit power value of the first signal is linearly correlated with the difference between the first path loss and the path loss offset.

[0496] As an embodiment, when the spatial parameters of the first signal are not configured with the path loss offset, the transmit power value of the first signal is linearly related to the second path loss, and the second path loss depends on only the first path loss among the first path loss and the path loss offset in this application.

[0497] As an embodiment, when the spatial parameter of the first signal is not configured with the path loss offset, the transmit power value of the first signal depends on only the first path loss of the first path loss and the path loss offset in this application.

[0498] Example 10

[0499] Embodiment 10 illustrates a first schematic diagram of spatial parameters of a first signal according to an embodiment of the present application, as shown in FIG10. In FIG10, the spatial parameters of the first signal include an uplink TCI state. When the spatial parameters of the first signal are configured with the path loss offset, the uplink TCI state is configured with two power control processes.

[0500] As an embodiment, the spatial parameter of the first signal includes an uplink TCI state. When the spatial parameter of the first signal is configured with the path loss offset, the uplink TCI state is configured with two power control processes.

[0501] As an embodiment, the uplink TCI state is configured with two power control processes, which means that the uplink TCI state is associated with two power control processes.

[0502] As an embodiment, the uplink TCI state is configured with two power control processes, which means that the uplink TCI state is associated with two closed loop power control (CLPC) processes.

[0503] As an embodiment, the uplink TCI state is configured with two power control processes, which means that the uplink TCI state is associated with two power control adjustment states.

[0504] As an embodiment, the uplink TCI state is configured with two power control processes, which means that the uplink TCI state is associated with two power control adjustment state indexes.

[0505] As a sub-embodiment of this embodiment, the power adjustment state indexes are 0 and 1 respectively.

[0506] As a sub-embodiment of this embodiment, the first signal is an SRS, and the power adjustment state index is different from the power adjustment state index during PUSCH transmission.

[0507] As a sub-embodiment of this embodiment, the first signal is an SRS, and the power adjustment state index does not depend on the power adjustment state index during PUSCH transmission.

[0508] As an embodiment, the uplink TCI being configured with two power control processes means that the uplink TCI state is configured with two sets of power control parameters.

[0509] As a sub-embodiment of this embodiment, the power control parameter includes P0 in the 3GPP standard protocol.

[0510] As a sub-embodiment of this embodiment, the power control parameter includes Alpha in the 3GPP standard protocol.

[0511] As a sub-embodiment of this embodiment, the power control parameter includes α in the 3GPP standard protocol. b,f,c (j).

[0512] As an embodiment, the spatial parameter of the first signal includes an uplink TCI state. When the spatial parameter of the first signal is not configured with the path loss offset, the uplink TCI state is configured with only one power control process.

[0513] As an embodiment, the spatial parameter of the first signal includes an uplink TCI state. When the spatial parameter of the first signal is not configured with the path loss offset, the uplink TCI state is associated with only one power adjustment state index.

[0514] As an embodiment, the spatial parameter of the first signal includes an uplink TCI state. When the spatial parameter of the first signal is not configured with the path loss offset, a power adjustment state index associated with the uplink TCI state is a default.

[0515] Example 11

[0516] Embodiment 11 illustrates a second schematic diagram of the spatial parameters of the first signal according to an embodiment of the present application, as shown in FIG11. In FIG11, the spatial parameters of the first signal include an uplink TCI state. When the spatial parameters of the first signal are configured with the path loss offset, the uplink TCI state and the TAG used by the first signal are respectively associated with two CORESET Pool Indexes.

[0517] As an embodiment, the TAG refers to: Timing Advance Group.

[0518] As an embodiment, the CORESET refers to: COntrol REsource SET, control resource set.

[0519] As an embodiment, the two CORESET Pool Indexes are 0 and 1 respectively.

[0520] As an embodiment, the two CORESET Pool Indexes refer to two different coresetPoolIndexes configured in the higher layer parameter PDCCH-Config at the first node.

[0521] As an embodiment, the spatial parameter of the first signal includes an uplink TCI state. When the spatial parameter of the first signal is configured with the path loss offset, the uplink TCI state and the TAG used by the first signal are respectively associated with two CORESET Pool Indexes.

[0522] As an embodiment, the spatial parameter of the first signal includes an uplink TCI state. When the spatial parameter of the first signal is configured with the path loss offset, the uplink TCI state and the TAG used by the first signal are respectively associated with two UL TRPs.

[0523] As an embodiment, the uplink TCI state and the TAG adopted by the first signal are respectively associated with two CORESET Pool Indexes, which means that the downlink reference signal resource referenced by the uplink TCI state is associated with one CORESET Pool Index, and the TAG adopted by the first signal corresponds to another CORESET Pool Index.

[0524] As an embodiment, the spatial parameter of the first signal includes an uplink TCI state. When the spatial parameter of the first signal is not configured with the path loss offset, the uplink TCI state and the TAG used by the first signal are associated with a CORESET Pool Index.

[0525] As an embodiment, when the spatial parameter of the first signal is configured with the path loss offset, dynamic signaling is used to enable the path loss offset.

[0526] As a sub-embodiment of this embodiment, the dynamic signaling includes DCI.

[0527] As a sub-embodiment of this embodiment, the dynamic signaling includes PDCCH.

[0528] As a sub-embodiment of this embodiment, the meaning that the dynamic signaling is used to enable the path loss offset includes: the dynamic signaling indicates whether the first time-frequency resource includes the first timing advance value.

[0529] As a sub-embodiment of this embodiment, the meaning that the dynamic signaling is used to enable the path loss offset includes: the dynamic signaling indicates whether the path loss offset is used to determine the transmit power value of the first signal.

[0530] As a sub-embodiment of this embodiment, the dynamic signaling is used to enable the path loss offset, which means that the dynamic signaling indicates which of the two CLPC processes the uplink TCI is associated with is adopted, and the two CLPC processes correspond to the path loss offset not being used and the path loss offset being used, respectively.

[0531] As a sub-embodiment of this embodiment, the meaning that the dynamic signaling is used to enable the path loss offset includes: the dynamic signaling indicates the TAG where the first signal is located.

[0532] As a sub-embodiment of this embodiment, the dynamic signaling is used to enable the path loss offset, which means that the dynamic signaling indicates the timing advance value adopted by the TAG in which the first signal is located, and the timing advance value adopted by the TAG in which the first signal is located is one of the first timing advance value and the second timing advance value.

[0533] As a sub-embodiment of this embodiment, when the dynamic signaling enables the path loss offset, the first time-frequency resource includes the effect of the second timing advance value; when the dynamic signaling does not enable the path loss offset, the first time-frequency resource includes the effect of the first timing advance value.

[0534] As a sub-embodiment of this embodiment, when the dynamic signaling enables the path loss offset, the start time of the uplink frame corresponding to the first time-frequency resource is advanced by the first time value in this application compared to the start time of the downlink frame using the same frame number; when the dynamic signaling does not enable the path loss offset, the start time of the uplink frame corresponding to the first time-frequency resource is advanced by the second time value compared to the start time of the downlink frame using the same frame number.

[0535] Example 12

[0536] Embodiment 12 illustrates a schematic diagram of applying the present application in an uplink and downlink asymmetric scenario according to an embodiment of the present application, as shown in FIG12. In FIG12, scenario (a) indicates that the receiver of the first signal and the sender of the first signaling are co-located; scenario (b) indicates that the receiver of the first signal and the sender of the first signaling are not co-located.

[0537] As an embodiment, the UL TRP shown in FIG12 only receives uplink transmissions.

[0538] As an embodiment, the base station in FIG12 is a base station maintaining a serving cell of the terminal.

[0539] As an embodiment, the first signaling and the first signal in FIG12 are transmitted in the same serving cell.

[0540] As an embodiment, the time-frequency resources occupied by the first signaling and the first signal in FIG12 belong to the same serving cell.

[0541] As an embodiment, the receiver of the first signal and the sender of the first signaling are co-located.

[0542] As an embodiment, the receiver of the first signal and the sender of the first signaling are not co-located

[0543] As an embodiment, when the spatial parameter of the first signal is not configured with the path loss offset, the receiver of the first signal and the sender of the first signaling are co-located, and the first time-frequency resource includes the function of the first timing advance value.

[0544] As an embodiment, when the spatial parameter of the first signal is configured with the path loss offset, the receiver of the first signal and the sender of the first signaling are not co-located, and the first time-frequency resource includes the effect of the second timing advance value.

[0545] As an embodiment, the base station and the UL TRP are connected via Backhaul.

[0546] As an embodiment, the base station and the UL TRP are connected via a wired connection.

[0547] As an embodiment, the base station and the UL TRP are connected via optical fiber.

[0548] As an embodiment, the baseband processing of the UL TRP is implemented in the base station.

[0549] Example 13

[0550] Embodiment 13 illustrates a structural block diagram of a processing device in a first node according to an embodiment of the present application, as shown in FIG13 . In FIG13 , the processing device 1300 in the first node includes a first receiver 1301 and a first transmitter 1302 .

[0551] In embodiment 13, the first receiver 1301 receives first signaling, where the first signaling indicates a first timing advance value; and the first transmitter 1302 sends a first signal in a first time-frequency resource.

[0552] In Example 13, the spatial parameters of the first signal are configured with reference to a downlink reference signal resource; whether the first time-frequency resource includes the effect of the first timing advance value depends on whether the spatial parameters of the first signal are also configured with a path loss offset; when the spatial parameters of the first signal are configured with the path loss offset, the first time-frequency resource includes the effect of the second timing advance value; when the spatial parameters of the first signal are not configured with the path loss offset, the first time-frequency resource includes the effect of the first timing advance value; the second timing advance value is different from the first timing advance value.

[0553] As an embodiment, when the first time-frequency resource includes the effect of the first timing advance value, the starting moment of the uplink frame corresponding to the first time-frequency resource is advanced by a first time value compared to the starting moment of the downlink frame using the same frame number, and the first time value includes the first timing advance value; when the first time-frequency resource includes the effect of the second timing advance value, the starting moment of the uplink frame corresponding to the first time-frequency resource is advanced by a second time value compared to the starting moment of the downlink frame using the same frame number, the second time value includes the second timing advance value, and the second time value does not include the first timing advance value.

[0554] As an embodiment, the second timing advance value is equal to 0.

[0555] As an embodiment, the second timing advance value is equal to the sum of half of the first timing advance value and a candidate offset value; the candidate offset value is predefined, or the candidate offset value is configurable.

[0556] As an embodiment, when the spatial parameter of the first signal is configured with the path loss offset, the transmit power value of the first signal depends on both the reference downlink reference signal resource and the path loss offset.

[0557] As an embodiment, the spatial parameter of the first signal includes an uplink TCI state. When the spatial parameter of the first signal is configured with the path loss offset, the uplink TCI state is configured with two power control processes.

[0558] As an embodiment, the spatial parameter of the first signal includes an uplink TCI state. When the spatial parameter of the first signal is configured with the path loss offset, the uplink TCI state and the TAG used by the first signal are respectively associated with two CORESET Pool Indexes.

[0559] As an embodiment, when the spatial parameter of the first signal is configured with the path loss offset, dynamic signaling is used to enable the path loss offset.

[0560] As an embodiment, when the spatial parameter of the first signal is configured with the path loss offset, it means that: the spatial parameter of the first signal is configured with the path loss offset, and dynamic signaling enables or activates the path loss offset.

[0561] As an embodiment, when the spatial parameter of the first signal is configured with the path loss offset, it means that: the spatial parameter of the first signal is configured with the path loss offset, and the path loss offset is configured and activated.

[0562] As an embodiment, when the spatial parameter of the first signal is configured with the path loss offset, the transmit power value of the first signal depends on the first path loss and the path loss offset in this application.

[0563] As an embodiment, when the spatial parameter of the first signal is configured with the path loss offset, the transmit power value of the first signal is linearly correlated with the second path loss, and the second path loss depends on the first path loss and the path loss offset in this application.

[0564] As a sub-embodiment of this embodiment, the second path loss is equal to the sum of the first path loss and the path loss offset.

[0565] As a sub-embodiment of this embodiment, the second path loss is equal to the difference between the first path loss and the path loss offset.

[0566] As an embodiment, when the spatial parameter of the first signal is not configured with the path loss offset, the transmit power value of the first signal depends on only the first path loss of the first path loss and the path loss offset in this application.

[0567] As an embodiment, when the spatial parameters of the first signal are not configured with the path loss offset, the transmit power value of the first signal is linearly related to the second path loss, and the second path loss depends on only the first path loss among the first path loss and the path loss offset in this application.

[0568] As an embodiment, the first timing advance value and the second timing advance value are applicable to the same cell.

[0569] As an embodiment, the first timing advance value and the second timing advance value are applicable to the same BWP.

[0570] As an embodiment, the first timing advance value and the second timing advance value are applicable to the same component carrier.

[0571] As an embodiment, the first timing advance value and the second timing advance value are for the same TAG.

[0572] As an embodiment, the first timing advance value and the second timing advance value are for different TAGs.

[0573] As an embodiment, the first timing advance value and the second timing advance value are for different TRPs.

[0574] As an embodiment, the sender of the first signaling and the receiver of the first signal are not co-located.

[0575] As an embodiment, the sender of the first signaling and the receiver of the first signal correspond to two nodes respectively.

[0576] As an embodiment, the sender of the first signaling and the receiver of the first signal correspond to two TRPs respectively.

[0577] As an embodiment, the first node is user equipment.

[0578] As an embodiment, the first node is a relay node device.

[0579] As an embodiment, the first receiver 1301 includes at least one of {the antenna 452, the receiver 454, the receiving processor 456, the multi-antenna receiving processor 458, the controller / processor 459, the memory 460, the data source 467} in Example 4.

[0580] As an embodiment, the first transmitter 1302 includes at least one of {the antenna 452, the transmitter 454, the transmit processor 468, the multi-antenna transmit processor 457, the controller / processor 459, the memory 460, the data source 467} in Example 4.

[0581] Example 14

[0582] Embodiment 14 illustrates a structural block diagram of a processing device in a second node according to an embodiment of the present application, as shown in FIG14 . In FIG14 , the processing device 1400 in the second node includes a second transmitter 1401 and a second receiver 1402 .

[0583] In embodiment 14, the second transmitter 1401 sends a first signaling, where the first signaling indicates a first timing advance value; and the second receiver 1402 receives the first signal in a first time-frequency resource.

[0584] In Example 14, the spatial parameters of the first signal are configured with reference to a downlink reference signal resource; whether the first time-frequency resource includes the effect of the first timing advance value depends on whether the spatial parameters of the first signal are also configured with a path loss offset; when the spatial parameters of the first signal are configured with the path loss offset, the first time-frequency resource includes the effect of the second timing advance value; when the spatial parameters of the first signal are not configured with the path loss offset, the first time-frequency resource includes the effect of the first timing advance value; the second timing advance value is different from the first timing advance value.

[0585] As an embodiment, when the first time-frequency resource includes the effect of the first timing advance value, the starting moment of the uplink frame corresponding to the first time-frequency resource is advanced by a first time value compared to the starting moment of the downlink frame using the same frame number, and the first time value includes the first timing advance value; when the first time-frequency resource includes the effect of the second timing advance value, the starting moment of the uplink frame corresponding to the first time-frequency resource is advanced by a second time value compared to the starting moment of the downlink frame using the same frame number, the second time value includes the second timing advance value, and the second time value does not include the first timing advance value.

[0586] As an embodiment, the second timing advance value is equal to 0.

[0587] As an embodiment, the second timing advance value is equal to the sum of half of the first timing advance value and a candidate offset value; the candidate offset value is predefined, or the candidate offset value is configurable.

[0588] As an embodiment, when the spatial parameter of the first signal is configured with the path loss offset, the transmit power value of the first signal depends on both the reference downlink reference signal resource and the path loss offset.

[0589] As an embodiment, the spatial parameter of the first signal includes an uplink TCI state. When the spatial parameter of the first signal is configured with the path loss offset, the uplink TCI state is configured with two power control processes.

[0590] As an embodiment, the spatial parameter of the first signal includes an uplink TCI state. When the spatial parameter of the first signal is configured with the path loss offset, the uplink TCI state and the TAG used by the first signal are respectively associated with two CORESET Pool Indexes.

[0591] As an embodiment, when the spatial parameter of the first signal is configured with the path loss offset, dynamic signaling is used to enable the path loss offset.

[0592] As an embodiment, when the spatial parameter of the first signal is configured with the path loss offset, it means that: the spatial parameter of the first signal is configured with the path loss offset, and dynamic signaling enables or activates the path loss offset.

[0593] As an embodiment, when the spatial parameter of the first signal is configured with the path loss offset, it means that: the spatial parameter of the first signal is configured with the path loss offset, and the path loss offset is configured and activated.

[0594] As an embodiment, when the spatial parameter of the first signal is configured with the path loss offset, the transmit power value of the first signal depends on the first path loss and the path loss offset in this application.

[0595] As an embodiment, when the spatial parameter of the first signal is configured with the path loss offset, the transmit power value of the first signal is linearly correlated with the second path loss, and the second path loss depends on the first path loss and the path loss offset in this application.

[0596] As a sub-embodiment of this embodiment, the second path loss is equal to the sum of the first path loss and the path loss offset.

[0597] As a sub-embodiment of this embodiment, the second path loss is equal to the difference between the first path loss and the path loss offset.

[0598] As an embodiment, when the spatial parameter of the first signal is not configured with the path loss offset, the transmit power value of the first signal depends on only the first path loss of the first path loss and the path loss offset in this application.

[0599] As an embodiment, when the spatial parameters of the first signal are not configured with the path loss offset, the transmit power value of the first signal is linearly related to the second path loss, and the second path loss depends on only the first path loss among the first path loss and the path loss offset in this application.

[0600] As an embodiment, the first timing advance value and the second timing advance value are applicable to the same cell.

[0601] As an embodiment, the first timing advance value and the second timing advance value are applicable to the same BWP.

[0602] As an embodiment, the first timing advance value and the second timing advance value are applicable to the same component carrier.

[0603] As an embodiment, the first timing advance value and the second timing advance value are for the same TAG.

[0604] As an embodiment, the first timing advance value and the second timing advance value are for different TAGs.

[0605] As an embodiment, the first timing advance value and the second timing advance value are for different TRPs.

[0606] As an embodiment, the sender of the first signaling and the receiver of the first signal are not co-located.

[0607] As an embodiment, the sender of the first signaling and the receiver of the first signal correspond to two nodes respectively.

[0608] As an embodiment, the sender of the first signaling and the receiver of the first signal correspond to two TRPs respectively.

[0609] As an embodiment, the second node is a base station device.

[0610] As an embodiment, the second node is user equipment.

[0611] As an embodiment, the second node is a TRP.

[0612] As an embodiment, the second transmitter 1401 includes at least one of {the antenna 420, the transmitter 418, the transmit processor 416, the multi-antenna transmit processor 471, the controller / processor 475, and the memory 476} in Embodiment 4.

[0613] As an embodiment, the second receiver 1402 includes at least one of {the antenna 420, the receiver 418, the receiving processor 470, the multi-antenna receiving processor 472, the controller / processor 475, and the memory 476} in Embodiment 4.

[0614] 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, transportation vehicles, vehicles, RSUs, wireless sensors, internet cards, Internet of Things terminals, RFID (Radio Frequency Identification) terminals, NB-IoT (Narrow Band Internet of Things) 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 equipment in this application include but are not limited to macrocell base stations, microcell base stations, small cell base stations, home base stations, relay base stations, eNB (evolved Node B), gNB, TRP, GNSS (Global Navigation Satellite System), relay satellites, satellite base stations, aerial base stations, RSUs, drones, test equipment, such as transceivers or signaling testers that simulate some functions of base stations, and other wireless communication equipment.

[0615] Those skilled in the art will appreciate that the present invention may be implemented in other specific forms without departing from its core or essential characteristics. Therefore, the presently disclosed embodiments should be considered in all respects as illustrative and not restrictive. The scope of the invention is determined by the appended claims, not the foregoing description, and all modifications that come within the meaning and range of equivalents are intended to be embraced therein.

Claims

1. A first node used for wireless communication signal transmission, characterized in that: include: A first receiver receives a first signaling, where the first signaling indicates a first timing advance value; A first transmitter sends a first signal in a first time-frequency resource; The spatial parameter of the first signal is configured with reference to a downlink reference signal resource; Whether the first time-frequency resource includes the effect of the first timing advance value depends on whether the spatial parameters of the first signal are also configured with a path loss offset; when the spatial parameters of the first signal are configured with the path loss offset, the first time-frequency resource includes the effect of the second timing advance value; when the spatial parameters of the first signal are not configured with the path loss offset, the first time-frequency resource includes the effect of the first timing advance value; the second timing advance value is different from the first timing advance value.

2. The first node according to claim 1, wherein: When the first time-frequency resource includes the effect of the first timing advance value, the start time of the uplink frame corresponding to the first time-frequency resource is advanced by a first time value compared to the start time of the downlink frame using the same frame number, and the first time value includes the first timing advance value; when the first time-frequency resource includes the effect of the second timing advance value, the start time of the uplink frame corresponding to the first time-frequency resource is advanced by a second time value compared to the start time of the downlink frame using the same frame number, the second time value includes the second timing advance value, and the second time value does not include the first timing advance value.

3. The first node according to claim 1 or 2, characterized in that The second timing advance value is equal to 0.

4. The first node according to any one of claims 1 to 3, characterized in that: The second timing advance value is equal to the sum of half of the first timing advance value and a candidate offset value; the candidate offset value is predefined, or the candidate offset value is configurable.

5. The first node according to any one of claims 1 to 4, characterized in that: When the spatial parameter of the first signal is configured with the path loss offset, the transmit power value of the first signal depends on both the reference downlink reference signal resource and the path loss offset.

6. The first node according to any one of claims 1 to 5, characterized in that: The spatial parameter of the first signal includes an uplink TCI state. When the spatial parameter of the first signal is configured with the path loss offset, the uplink TCI state is configured with two power control processes.

7. The first node according to any one of claims 1 to 6, characterized in that: The spatial parameter of the first signal includes an uplink TCI state. When the spatial parameter of the first signal is configured with the path loss offset, the uplink TCI state and the TAG used by the first signal are respectively associated with two CORESET Pool Indexes.

8. A second node used for wireless communication signal transmission, characterized in that: include: A second transmitter sends a first signaling, where the first signaling indicates a first timing advance value; A second receiver receives a first signal in a first time-frequency resource; The spatial parameter of the first signal is configured with reference to a downlink reference signal resource; Whether the first time-frequency resource includes the effect of the first timing advance value depends on whether the spatial parameters of the first signal are also configured with a path loss offset; when the spatial parameters of the first signal are configured with the path loss offset, the first time-frequency resource includes the effect of the second timing advance value; when the spatial parameters of the first signal are not configured with the path loss offset, the first time-frequency resource includes the effect of the first timing advance value; the second timing advance value is different from the first timing advance value.

9. A method for a first node used for wireless communication signal transmission, characterized in that: include: receiving first signaling, where the first signaling indicates a first timing advance value; Sending a first signal in a first time-frequency resource; The spatial parameter of the first signal is configured with reference to a downlink reference signal resource; Whether the first time-frequency resource includes the effect of the first timing advance value depends on whether the spatial parameters of the first signal are also configured with a path loss offset; when the spatial parameters of the first signal are configured with the path loss offset, the first time-frequency resource includes the effect of the second timing advance value; when the spatial parameters of the first signal are not configured with the path loss offset, the first time-frequency resource includes the effect of the first timing advance value; the second timing advance value is different from the first timing advance value.

10. A method for a second node used for wireless communication signal transmission, characterized in that: include: Sending first signaling, where the first signaling indicates a first timing advance value; Receiving a first signal in a first time-frequency resource; The spatial parameter of the first signal is configured with reference to a downlink reference signal resource; Whether the first time-frequency resource includes the effect of the first timing advance value depends on whether the spatial parameters of the first signal are also configured with a path loss offset; when the spatial parameters of the first signal are configured with the path loss offset, the first time-frequency resource includes the effect of the second timing advance value; when the spatial parameters of the first signal are not configured with the path loss offset, the first time-frequency resource includes the effect of the first timing advance value; the second timing advance value is different from the first timing advance value.

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