Wireless communication method, device, equipment and system for positioning and storage medium

Abstract

The invention discloses a wireless communication method, device, equipment and system for positioning and a storage medium, and relates to the field of positioning. The method comprises sending an uplink positioning signal on an uplink positioning signal resource based on a TA value. A terminal device sends an uplink positioning signal on an uplink positioning signal resource based on a TA value, and a network device / LMF is supported to estimate the deviation of signal transmission time between a service satellite and the terminal device at different moments, so as to realize the positioning of the terminal device in an NTN system.

Description

Wireless communication method, device, equipment, system and storage medium for positioning Technical Field

[0001] The present application relates to the field of positioning, and in particular to a wireless communication method, apparatus, device, system and storage medium for positioning. Background Art

[0002] In positioning technologies related to terrestrial network (TN) systems, the performance of positioning methods can be guaranteed by making some ideal assumptions about timing errors.

[0003] However, in non-terrestrial network (NTN) systems, due to the characteristics of NTN systems such as large signal propagation delay and satellite mobility, the ideal assumption of timing error in related positioning technologies of TN systems is no longer applicable in NTN systems.

[0004] Currently, there is no specific solution on how to enhance positioning technology in NTN systems.

[0005] Summary of the Invention

[0006] Embodiments of the present application provide a wireless communication method, apparatus, device, system, and storage medium for positioning, which can be used in a non-terrestrial communication network (NTN) system to achieve positioning of terminal devices in NTN scenarios by sending uplink positioning signals based on a timing advance (TA) value.

[0007] According to one aspect of the present application, a wireless communication method for positioning is provided, the method being performed by a terminal device, the method comprising:

[0008] An uplink positioning signal is sent on an uplink positioning signal resource based on the TA value.

[0009] According to one aspect of the present application, a wireless communication method for positioning is provided, the method being performed by a network device, the method comprising:

[0010] The first measurement information is determined and / or reported based on the uplink positioning signal received on the uplink positioning signal resource.

[0011] According to one aspect of the present application, a positioning system is provided. The positioning system is applied to an NTN system including a service satellite. The positioning system includes: a service satellite, a terminal device, and a network device. The positioning system locates the terminal device based on M virtual transmission and reception points (TRPs) implemented by the service satellite; wherein:

[0012] The M virtual TRPs have a one-to-one correspondence with the service satellite positions at M moments; and / or,

[0013] The M virtual TRPs have a one-to-one correspondence with the M uplink positioning signal resources; and / or,

[0014] The service satellite positions at the M moments have a one-to-one correspondence with the M uplink positioning signal resources;

[0015] Wherein, M is an integer greater than or equal to 1. When M is an integer greater than 1, the M moments are different moments.

[0016] According to one aspect of the present application, a wireless communication device for positioning is provided, the device comprising:

[0017] The first sending module is configured to send an uplink positioning signal on an uplink positioning signal resource based on a TA value.

[0018] According to one aspect of the present application, a wireless communication device for positioning is provided, the device including at least some of the following modules:

[0019] a second determining module, configured to determine first measurement information based on an uplink positioning signal received on an uplink positioning signal resource;

[0020] The second sending module is configured to report the first measurement information based on the uplink positioning signal received on the uplink positioning signal resource.

[0021] According to one aspect of the present application, a terminal is provided, comprising: a processor; a transceiver connected to the processor; and a memory for storing executable instructions of the processor; wherein the processor is configured to load and execute the executable instructions to implement the wireless communication method for positioning as described in the above aspects.

[0022] According to one aspect of the present application, a network device is provided, comprising: a processor; a transceiver connected to the processor; and a memory for storing executable instructions of the processor; wherein the processor is configured to load and execute the executable instructions to implement the wireless communication method for positioning as described in the above aspects.

[0023] According to one aspect of the present application, a computer-readable storage medium is provided, wherein the computer program product stores executable instructions, and the executable instructions are loaded and executed by a processor of a computer device to implement the wireless communication method for positioning as described in the above aspects.

[0024] According to one aspect of the present application, a computer program product or computer program is provided, wherein the computer program product or computer program stores executable instructions, wherein the executable instructions are stored in a computer-readable storage medium, and a processor of a computer device reads the executable instructions from the computer-readable storage medium, and the processor executes the executable instructions, so that the computer device executes to implement the wireless communication method for positioning as described in the above aspects.

[0025] According to one aspect of the present application, a chip is provided, which includes a programmable logic circuit and / or program instructions. When a communication device equipped with the chip is running, it is used to implement the wireless communication method for positioning as described in the above aspects.

[0026] The technical solutions provided by the embodiments of the present application include at least the following beneficial effects:

[0027] By having the terminal device send an uplink positioning signal on the uplink positioning signal resource based on the TA value, the network device / LMF is supported to estimate the deviation of the signal transmission time between the service satellite and the terminal device at different times, so as to realize the positioning of the terminal device in the NTN system. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0029] FIG1 shows a schematic diagram of the architecture of a communication system in the related art;

[0030] FIG2 shows a schematic diagram of the architecture of a communication system in the related art;

[0031] FIG3 shows a schematic diagram of a communication system provided by an exemplary embodiment of the present application;

[0032] FIG4 shows a schematic diagram of an uplink positioning scenario provided by an exemplary embodiment of the present application;

[0033] FIG5 is a schematic diagram showing a principle of an uplink positioning scenario provided by an exemplary embodiment of the present application;

[0034] FIG6 shows a schematic diagram of a positioning scenario provided by an exemplary embodiment of the present application;

[0035] FIG7 shows a schematic diagram of a positioning scenario provided by an exemplary embodiment of the present application;

[0036] FIG8 shows a schematic diagram of a positioning system provided by an exemplary embodiment of the present application;

[0037] FIG9 is a schematic diagram showing a flow chart of a wireless communication method for positioning provided by an exemplary embodiment of the present application;

[0038] FIG10 shows a flowchart of a wireless communication method for positioning provided by an exemplary embodiment of the present application;

[0039] FIG11 shows a flowchart of a wireless communication method for positioning provided by an exemplary embodiment of the present application;

[0040] FIG12 shows a flowchart of a wireless communication method for positioning provided by an exemplary embodiment of the present application;

[0041] FIG13 shows a flowchart of a wireless communication method for positioning provided by an exemplary embodiment of the present application;

[0042] FIG14 shows a structural block diagram of a wireless communication device for positioning provided by an exemplary embodiment of the present application;

[0043] FIG15 shows a structural block diagram of a wireless communication device for positioning provided by an exemplary embodiment of the present application;

[0044] FIG16 shows a schematic structural diagram of a wireless communication device for positioning provided by an exemplary embodiment of the present application. DETAILED DESCRIPTION

[0045] To make the objectives, technical solutions, and advantages of the present application more clear, the embodiments of the present application will be further described in detail below with reference to the accompanying drawings. Exemplary embodiments will be described in detail herein, with examples shown in the accompanying drawings. When the following description refers to the drawings, unless otherwise indicated, the same numbers in different drawings represent the same or similar elements. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Instead, they are merely examples of devices and methods consistent with certain aspects of the present application, as detailed in the appended claims.

[0046] In this document, "plurality" refers to two or more. "And / or" describes a relationship between associated objects, indicating that three possible relationships exist. For example, "A and / or B" can mean: A exists alone, A and B exist simultaneously, or B exists alone. The character " / " generally indicates an "or" relationship between the associated objects.

[0047] The terms used in this application are for the purpose of describing particular embodiments only and are not intended to limit this application. As used in this application and the appended claims, the singular forms "a," "an," "the," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

[0048] It should be understood that although the terms first, second, third, etc. may be used in this application to describe various information, such information should not be limited to these terms. These terms are only used to distinguish information of the same type from each other. For example, without departing from the scope of this application, first information may also be referred to as second information, and similarly, second information may also be referred to as first information. Depending on the context, the word "if" as used herein may be interpreted as "at the time of" or "when" or "in response to determining".

[0049] First, the relevant technologies involved in the embodiments of this application are introduced:

[0050] Network scenario:

[0051] Communication system scenarios include terrestrial networks (TN) and non-terrestrial networks (NTN). NTNs typically use satellite communications to provide communication services to terrestrial users. Currently, NTN systems include New Radio (NR)-NTN and Internet of Things (IoT)-NTN systems.

[0052] For example, Figure 1 is a schematic diagram of the architecture of a communication system in the related art. As shown in Figure 1, communication system 100 may include network device 110, which may be a device that communicates with terminal device 120 (also referred to as a communication terminal device or terminal). Network device 110 may provide communication coverage for a specific geographic area and may communicate with terminal devices within this coverage area.

[0053] FIG1 exemplarily shows a network device and two terminal devices. In some cases, the communication system 100 may include multiple network devices and each network device may include other numbers of terminal devices within its coverage area, which is not limited in this application.

[0054] For example, FIG2 is a schematic diagram of the architecture of another communication system in the related art. As shown in FIG2 , the communication system includes a terminal device 1101 and a satellite 1102, and wireless communication can be performed between the terminal device 1101 and the satellite 1102. The network formed between the terminal device 1101 and the satellite 1102 can also be referred to as an NTN. In the architecture of the communication system shown in FIG2 , the satellite 1102 can have the function of a base station, and the terminal device 1101 and the satellite 1102 can communicate directly. Under this communication system architecture, the satellite 1102 can be referred to as a network device. In some cases, the communication system can include multiple network devices (i.e., satellites 1102), and each network device can include other numbers of terminal devices within its coverage area, which is not limited in this application.

[0055] Exemplarily, FIG3 is a schematic diagram of the architecture of a communication system provided in an embodiment of the present application. As shown in FIG3 , the communication system includes a terminal device 1201, a satellite 1202, and a base station 1203. Wireless communication can be performed between the terminal device 1201 and the satellite 1202, and communication can be performed between the satellite 1202 and the base station 1203. The network formed between the terminal device 1201, the satellite 1202, and the base station 1203 can also be referred to as an NTN. In the architecture of the communication system shown in FIG3 , the satellite 1202 may not have the function of a base station, and the communication between the terminal device 1201 and the base station 1203 needs to be transferred through the satellite 1202. Under this communication system architecture, the base station 1203 can be referred to as a network device. In some embodiments, the communication system may include multiple network devices (i.e., base stations 1203), and the coverage range of each network device may include other number of terminal devices, which is not limited in this application.

[0056] Synchronization in NR-NTN and IoT-NTN systems:

[0057] In an NTN system, network equipment needs to send synchronization assistance information to terminal devices. This information is used to assist the terminal devices in achieving time domain synchronization and / or frequency domain synchronization. The information indicates at least one of the following: serving satellite ephemeris information, public timing (TA) value parameters, reference time indication information (epoch time, used to determine time t0), and target timer duration.

[0058] The terminal device completes the corresponding time domain synchronization and / or frequency domain synchronization based on the synchronization assistance information and its own Global Navigation Satellite System (GNSS) capability. The terminal device can obtain at least one of the following information based on its GNSS capability: the location of the terminal device, the time reference, and the frequency reference. Moreover, based on the above information, as well as the information obtained based on the synchronization assistance information, the terminal device can obtain timing and / or frequency deviation, and apply timing advance compensation and / or frequency deviation adjustment in an idle state, an inactive state, or a connected state.

[0059] Specifically, the TA value when the terminal device sends an uplink channel or uplink signal is:

[0060]

[0061] Among them, N TA is the TA value indicated by the network device, such as the TA value issued by the TA command; if the uplink channel or uplink signal includes the Physical Random Access Channel (PRACH) or MsgA (Message A in the two-step random access process), then N TA The value is 0.

[0062] N TA,offset The value is the same as that in the related art, for example, it is determined based on the coexistence of Long Term Evolution (LTE) or NR and the network deployment frequency band.

[0063] It is obtained based on the common timing TA value parameters configured by the high layer (such as at least one of the common timing value, the common timing value offset value, and the rate of change of the common timing value offset value); if the common timing TA value parameters are not configured, then The value is 0. In some cases, Also called the feeder link TA value.

[0064] It is calculated based on the terminal device location and the service satellite ephemeris information configured by the high-level configuration; if the service satellite ephemeris information is not configured, then The value is 0. In some cases, Also called the service link TA value.

[0065] Tc represents the sampling time interval unit, T c =1 / (480*1000*4096).

[0066] Since the satellite is moving, the synchronization assistance information will change with time. For example, the service satellite ephemeris information will change with time. The public timing TA value parameters may include: public timing value, public timing value offset value (for example, the first-order derivative of the public timing value), the rate of change of the public timing value offset value (for example, the second-order derivative of the public timing value), etc. The terminal device can determine the service satellite ephemeris information at different times and the public timing TA value at different times based on the synchronization assistance information, thereby obtaining the TA value at different times.

[0067] That is to say, in the NTN system, the TA values ​​corresponding to different times may vary greatly.

[0068] Positioning technology in NR system:

[0069] In the NR system, supported positioning methods include the downlink time difference of arrival (DL-TDOA) positioning method, the uplink time difference of arrival (UL-TDOA) positioning method, and the multi-round trip time (Multi-RTT) positioning method. The present application can be applied to methods including but not limited to the above methods, for example, the present application can be applied to the UL-TDOA positioning method.

[0070] The propagation time of a signal is directly related to the propagation distance. Therefore, the deviation between the transmission time of the signal sent by the terminal device to multiple network nodes also reflects the difference in distance between the terminal device and multiple network nodes. Among them, the network node can be considered as a transmission and reception point (TRP), or a network device or a transmission node (TP) or a service satellite. The basic principle of the UL-TDOA positioning method is to estimate the position of the terminal device based on the transmission time deviation of the signal sent by the terminal device to multiple network nodes and the known position of the network node. The UL-TDOA positioning method is based on the one-way transmission of the measurement signal between the terminal device and the network node, that is, the terminal device sends the signal and the network node performs the measurement. Among them, the signal sent by the terminal device to different network nodes may be the same uplink reference signal or different uplink reference signals, which depends on the configuration of the network.

[0071] The following introduces the UL-TDOA positioning method. As shown in Figure 4, M = 4 network nodes. Taking the network node as TRP as an example, the four network nodes are respectively denoted as TRP 1, TRP 2, TRP 3 and TRP 4. The three-dimensional coordinates and receiving timing errors corresponding to the network node TRP i (i = 1, 2, ..., M) are respectively denoted as (x i ,y i ,z i )and The three-dimensional coordinates corresponding to the terminal device and the timing error of sending the uplink positioning signal to the network node TRP i are recorded as (x UE ,y UE ,z UE )and The distance between the network node TRP i and the terminal device is recorded as d i , then the calculation formula of TOA is as follows (1):

[0072]

[0073] Where c represents the speed of light, n i Indicates error.

[0074] In actual scenarios, by using high-precision devices and appropriate deployment, it is generally possible to achieve relatively good synchronization accuracy between network nodes. Even if there is a small synchronization error, it generally does not significantly affect the positioning accuracy. Therefore, in general, we can assume that Within a period of time, the timing error of the same terminal device changes very little. Therefore, it can be considered that in the above formula (1), The basic principle of TDOA positioning method is to take the difference between two estimated TOAs. Assuming that TRP 1 is used as a reference (in this case, TRP 1 is called the reference TRP) to calculate the TOA differences corresponding to different TRPs, M-1 constraint equations can be obtained, forming a constraint equation group shown in the following equation (2):

[0075]

[0076] Where c represents the speed of light, n i , n1 represents the error.

[0077] Equivalently, if there is an error between the timing on the terminal device side and the timing on the network device side, this error can be eliminated by using Equation (2). In order to obtain a more reliable solution for the location information containing K unknown variables (for example, K is 3), at least M ≥ K + 1 (for example, M is 4) network nodes are required.

[0078] Each equation in the constraint equations shown in equation (2) above can be viewed as a hyperbola with TRP i and TRP 1 as the focus. Therefore, the physical meaning of the TDOA positioning method can be understood using Figure 5: Draw a corresponding hyperbola with each network node pair (TRP I, TRP 1) as the focus. The intersection of these hyperbolas is the terminal device position estimated by the TDOA positioning method. Because there is an estimation error n i Due to factors such as the influence of the law, these hyperbolas usually do not intersect perfectly at one point, but instead intersect to form a smaller range.

[0079] In the UL-TDOA positioning method, a network device (such as a base station) configures uplink sounding reference signal (SRS) resources, such as positioning SRS resources or multiple input multiple output (MIMO) SRS resources, to a terminal device through radio resource control (RRC) signaling. The network node performs measurements based on the uplink SRS signal sent by the terminal device. The corresponding measurement quantity is called the uplink relative time of arrival (UL Relative Time of Arrival, UL RTOA) in NR-related technologies.

[0080] The terminal device's behavior is primarily to send SRS signals based on the network device's configuration. The corresponding measurements are performed by the network node, and the terminal device's location is estimated by the positioning server (Location Management Function, LMF). Therefore, the terminal device's implementation is relatively simple. When sending SRS signals, the terminal device uses the serving cell's TA value.

[0081] The terminal device can determine the downlink path loss and then determine the transmission power of the SRS signal based on the synchronization signal block (SSB) of the service cell configured by the network device, the SSB of the neighboring cell or the positioning reference signal (PRS). When the network device configures the SSB of the neighboring cell, it can configure the cell identification (ID) and SSB index (index) of the neighboring cell. In addition, the terminal device can also determine the spatial filter information sent by the SRS (or the beam information of the service cell, such as the SSB index associated with the SRS transmission or the channel state information reference signal (CSI-RS) index or SRS resource index, etc.), the SSB or PRS of the neighboring cell based on the spatial filter information of the service cell configured by the network device (or the beam information of the service cell, such as the SSB index associated with the SRS transmission or the channel state information reference signal (CSI-RS) index or SRS resource index, etc.).

[0082] UL RTOA is defined as the starting position of subframe i containing SRS received at the reception point (RP) relative to the RTOA reference time. The RTOA reference time is defined as T0+t SRS , T0 is the nominal starting time of SFN 0 provided by the System Frame Number (SFN) Initialization Time; t SRS =(10n f +n sf )×10 -3 , n f and n sf are the system frame number and subframe number of the subframe containing SRS respectively.

[0083] The network node may use multiple SRS resources to determine the starting position of the subframe i containing the SRS received by the RP.

[0084] In the UL-TDOA positioning method, in addition to measuring and reporting UL RTOA, the network node TRP can also optionally report the SRS-reference signal receiving power (RSRP) value obtained based on the SRS measurement to assist the LMF in improving the accuracy of position estimation.

[0085] The performance of the aforementioned positioning methods is affected by the timing errors of terminal devices and network nodes. In TN systems (also considered TN scenarios), positioning technologies can reduce or eliminate the impact of timing errors on positioning accuracy by making ideal assumptions about them. However, in NTN systems (also considered NTN scenarios), due to characteristics of NTN systems such as long signal propagation delays and satellite mobility, the ideal timing error assumptions used in TN positioning technologies are no longer applicable. Currently, there is no specific solution for enhancing positioning technology in NTN systems.

[0086] The present application provides a wireless communication method for positioning, and also includes corresponding devices, equipment, systems and storage media, all of which are applicable to the NTN system. The following describes exemplary embodiments.

[0087] It should be understood that in some embodiments of the present application, cells and carriers may be equivalent. For example, "downlink cell" may be replaced by "downlink carrier," "uplink cell" may be replaced by "uplink carrier," and so on.

[0088] In some embodiments of the present application, “configuration” may be understood as configuration by a network device or configuration by an LMF.

[0089] In some embodiments of the present application, “configuration” may be understood as direct configuration or indirect configuration.

[0090] In the NTN system, in order to reuse the positioning method in the related art to estimate the position of the terminal device, the position of the service satellite at different times can be equivalent to different TRPs, which can also be called virtual TRPs in some embodiments of the present application. The position of the terminal device is estimated based on the relative distance between the position of the service satellite at different times (which can also be considered as the position of the virtual TRP) and the terminal device. Specifically, the position of the service satellite at time ti is regarded as TRP i, and the distance between TRP i and the terminal device is di, where i = 0, 1, 2, ..., M-1. Among them, M is the number of TRPs, which can also be considered as the number of times corresponding to the position of the service satellite.

[0091] Figure 6 shows a schematic diagram of a positioning scenario in an NTN scenario, provided by an exemplary embodiment of the present application. As shown in Figure 6, the serving satellite position at time t0 is considered to be TRP 0, and the distance between TRP 0 and terminal device 601 is d0; the serving satellite position at time t1 is considered to be TRP 1, and the distance between TRP 1 and terminal device 601 is d1; the serving satellite position at time t2 is considered to be TRP 2, and the distance between TRP 2 and terminal device 601 is d2; and the serving satellite position at time t3 is considered to be TRP 3, and the distance between TRP 3 and terminal device 601 is d3. Accordingly, positioning methods in related technologies, such as the UL-TDOA positioning method, can also be used in NTN scenarios.

[0092] FIG7 shows a schematic diagram of a positioning system provided by an exemplary embodiment of the present application. The positioning system 700 may include: a terminal device 710 , a service satellite 720 , and a network device 730 .

[0093] The service satellite 720 may include at least one virtual TRP and / or at least one virtual TRP group. A virtual TRP group may include at least one virtual TRP, and the number of virtual TRPs included in each virtual TRP group may be the same or different.

[0094] In some embodiments, a virtual TRP may be referred to as a TRP, and a virtual TRP group may be referred to as a TRP group.

[0095] In some embodiments, the positioning system 700 also includes a core network or a network slice, such as LMF 740.

[0096] In some embodiments, the positioning system 700 locates the terminal device 710 based on the M virtual TRPs implemented by the service satellite 720;

[0097] There is a one-to-one correspondence between the M virtual TRPs and the service satellite positions at M moments; and / or,

[0098] There is a one-to-one correspondence between the M virtual TRPs and the M uplink positioning signal resources; and / or,

[0099] The service satellite positions at M moments have a one-to-one correspondence with the M uplink positioning signal resources, where M is an integer greater than or equal to 1. When M is an integer greater than 1, the M moments are different moments.

[0100] In some embodiments, the transmission timing error of the uplink positioning signal corresponding to the M uplink positioning signal resources is within a first error range, and / or the reception timing error of the uplink positioning signal corresponding to the M uplink positioning signal resources is within a second error range; or

[0101] The sending timing errors of the uplink positioning signals corresponding to the M virtual TRPs are within a first error range, and / or the receiving timing errors of the uplink positioning signals corresponding to the M virtual TRPs are within a second error range; or

[0102] The sending timing errors of the uplink positioning signals corresponding to the service satellite positions at M moments are within a first error range, and / or the receiving timing errors of the uplink positioning signals corresponding to the service satellite positions at M moments are within a second error range.

[0103] In some embodiments, at least one of the first error range and the second error range may be default, configured, or predefined.

[0104] In some embodiments, the first error range may mean that an error in the first error range is sufficiently small, for example, smaller than a threshold or within a specific error range or negligible.

[0105] In some embodiments, the second error range may mean that an error in the second error range is sufficiently small, for example, smaller than a threshold or within a specific error range or negligible.

[0106] In some embodiments, the M uplink positioning signal resources are uplink positioning signal resources in a first uplink positioning signal resource group, and the first uplink positioning signal resource group is one of the configured N uplink positioning signal resource groups; or

[0107] The M virtual TRPs are virtual TRPs in a first virtual TRP group, where the first virtual TRP group is a virtual TRP group among the configured N virtual TRP groups; or

[0108] The serving satellite positions at the M moments are serving satellite positions in a first serving satellite position group, and the first serving satellite position group is a serving satellite position group among the configured N serving satellite position groups;

[0109] Wherein, N is an integer greater than or equal to 1.

[0110] As shown in Figure 7, the virtual TRPs included in the positioning system 700 are: TRP 0 (corresponding to the service satellite position at time t0), TRP 0' (corresponding to the service satellite position at time t0'), TRP 1 (corresponding to the service satellite position at time t1), TRP 1' (corresponding to the service satellite position at time t1'), TRP 2 (corresponding to the service satellite position at time t2), TRP 2' (corresponding to the service satellite position at time t2'), TRP 3 (corresponding to the service satellite position at time t3), and TRP 3' (corresponding to the service satellite position at time t3').

[0111] Optionally, TRP 0 and TRP 0' form a virtual TRP group 0, TRP 1 and TRP 1' form a virtual TRP group 1, TRP 2 and TRP 2' form a virtual TRP group 2, and TRP 3 and TRP 3' form a virtual TRP group 3.

[0112] This embodiment is schematically illustrated by taking an example in which the positioning system 700 includes four virtual TRP groups, each of which includes two virtual TRPs.

[0113] The terminal device 710 in this application is also called user equipment (UE), access terminal, user unit, user station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication device, user agent, and user device. The terminal device 710 includes, but is not limited to, handheld devices, wearable devices, vehicle-mounted devices, and Internet of Things devices, such as mobile phones, tablet computers, e-book readers, laptop computers, desktop computers, televisions, game consoles, mobile Internet devices (MIDs), augmented reality (AR) terminals, virtual reality (VR) terminals, and mixed reality (MR) terminals, wearable devices, handles, electronic tags, controllers, wireless terminals in industrial control, wireless terminals in self-driving, wireless terminals in remote medical care, wireless terminals in smart grids, wireless terminals in transportation safety, wireless terminals in smart cities, wireless terminals in smart homes, wireless terminals in remote medical surgery, cellular phones, cordless phones, Session Initiation Protocol (SIP) phones, wireless local loops (WLANs), and wireless terminals in smart cities. Loop (WLL) stations, personal digital assistants (PDA), TV set-top boxes (STB), customer premises equipment (CPE), etc.

[0114] The service satellite 720 in this application has a wireless communication function, and the service satellite 720 can be regarded as a TRP or TP.

[0115] The network device 730 in the present application has a wireless communication function, and the network device 730 includes but is not limited to: Evolved Node B (eNB), Radio Network Controller (RNC), Node B (NB), Base Station Controller (BSC), Base Transceiver Station (BTS), Home Base Station (e.g., Home Evolved Node B, or Home Node B, HNB), Baseband Unit (BBU), Access Point (AP) in a Wireless Fidelity (Wi-Fi) system, Wireless Relay Node, Wireless Backhaul Node, Network Device, Transmission Point (TP) or Transmission and Reception Point (TRP), etc. It can also be a Next Generation Node B (NGNB) in a 5G system. B, gNB) or transmission point (TRP or TP), or one or a group of (including multiple antenna panels) antenna panels of a base station in a 5G system, or it can also be a network node constituting a gNB or transmission point, such as a baseband unit (BBU) or distributed unit (DU), or a base station in a 6G communication system, or a radio access network (RAN) device, network slice, etc.

[0116] The service satellite 720 and the terminal device 710 communicate with each other through some air interface technology.

[0117] For example, there are two communication scenarios between the service satellite 720 and the terminal device 710: an uplink communication scenario and a downlink communication scenario. Uplink communication refers to sending signals to the service satellite 720; downlink communication refers to sending signals to the terminal device 710.

[0118] The network device 730 and the terminal device 710 communicate with each other via some air interface technology, such as a Uu interface.

[0119] Exemplarily, there are two communication scenarios between the network device 730 and the terminal device 710: an uplink communication scenario and a downlink communication scenario. Uplink communication refers to sending signals to the network device 730; downlink communication refers to sending signals to the terminal device 710.

[0120] The service satellite 720 and the network device 730 communicate with each other through some air interface technology.

[0121] For example, there are two communication scenarios between the service satellite 720 and the network device 730: an uplink communication scenario and a downlink communication scenario. Uplink communication refers to sending signals to the service satellite 720, while downlink communication refers to sending signals to the network device 730.

[0122] The technical solutions provided in the embodiments of the present application can be applied to various communication systems, such as: Global System of Mobile communication (GSM) system, Code Division Multiple Access (CDMA) system, Wideband Code Division Multiple Access (WCDMA) system, General Packet Radio Service (GPRS), Long Term Evolution (LTE) system, LTE Frequency Division Duplex (FDD) system, LTE Time Division Duplex (TDD) system, Advanced Long Term Evolution (LTE-A) system, Universal Mobile Telecommunication System (UMTS), Worldwide Interoperability for Microwave Access (WiMAX) communication system, fifth generation (5G) mobile communication system, New Radio (NR) system, NR system evolution system, LTE on unlicensed spectrum (LTE-based access to unlicensed spectrum). spectrum, LTE-U) system, NR (NR-based access to unlicensed spectrum, NR-U) system on unlicensed spectrum, terrestrial communication network (NTN) system, non-terrestrial communication network (NTN) system, wireless local area network (WLAN), wireless fidelity (Wi-Fi), cellular Internet of Things system, cellular passive Internet of Things system, and may also be applicable to subsequent evolution systems of 5G NR system, and may also be applicable to Beyond Fifth Generation (B5G), 6G and subsequent evolution systems. In some embodiments of the present application, "NR" may also be referred to as 5G NR system or 5G system.Among them, the 5G mobile communication system may include non-standalone networking (NSA) and / or standalone networking (SA).

[0123] The technical solutions provided in the embodiments of the present application can also be applied to machine type communication (MTC), long term evolution technology for machine-to-machine communication (LTE-M), device-to-device (D2D) network, machine-to-machine (M2M) network, Internet of Things (IoT) network or other networks. Among them, the IoT network can include, for example, the Internet of Vehicles. Among them, the communication mode in the Internet of Vehicles system is collectively referred to as vehicle to other devices (Vehicle to X, V2X, X can represent anything), for example, the V2X can include: vehicle to vehicle (V2V) communication, vehicle to infrastructure (V2I) communication, vehicle to pedestrian communication (V2P) or vehicle to network (V2N) communication, etc.

[0124] The positioning system provided in this embodiment can be applied to but is not limited to at least one of the following positioning methods: DL-TDOA positioning method, UL-TDOA positioning method, and Multi-RTT positioning method.

[0125] In the TN scenario, when the terminal device sends the SRS signal, it uses the TA value of the serving cell. In the NTN scenario, the TA value of the serving cell of the terminal device consists of the following two parts: the service link TA value estimated based on the GNSS capability of the terminal device and the ephemeris information of the serving satellite, and the feeder link TA value determined based on the public timing TA value parameters. As shown in Figure 8, the service link refers to the transmission link between the terminal device 801 and the serving satellite 802, and the feeder link refers to the transmission link between the serving satellite 802 and the network device 804. Both the service link TA value and the feeder link TA value may change over time. Among them, the reference point is a reference point on the feeder link. The round-trip delay of the link between the serving satellite 802 and the reference point is the public TA value.

[0126] Since the service satellites at different times are equivalent to different (virtual) TRPs, in the NTN scenario, if the TA value of the service cell is still used to send the SRS signal, the deviation in the transmission time of the SRS signal sent by the terminal device received by the network device at different times will be compensated, resulting in the UL-TDOA positioning method being unavailable.

[0127] Therefore, the present application provides a UL-TDOA positioning method applicable to NTN scenarios as described below.

[0128] FIG9 shows a flow chart of a wireless communication method for positioning provided by an exemplary embodiment of the present application. Taking the method executed by a terminal device as an example, the method includes at least some of the following steps:

[0129] Step 920: Send an uplink positioning signal on the uplink positioning signal resource based on the TA value.

[0130] The terminal device may be a terminal device in an NTN system or an evolved system of the NTN system, such as the terminal device 710 shown in FIG. 7 .

[0131] The uplink positioning signal is sent by the terminal device to the service satellite, which may be the service satellite 720 shown in FIG. 7 .

[0132] In some embodiments, sending the uplink positioning signal on the uplink positioning signal resource based on the TA value may also be understood as sending the uplink positioning signal through the uplink positioning signal resource based on the TA value.

[0133] In some embodiments, an uplink positioning signal is sent on at least one uplink positioning signal resource among M uplink positioning signal resources based on the first TA value, where M is an integer greater than or equal to 1.

[0134] In some embodiments, the first TA value does not include the service link TA value, or the first TA value is not determined based on the service link TA value.

[0135] In some embodiments, the first TA value includes a feeder link TA value, or the first TA value is determined based on the feeder link TA value.

[0136] In some embodiments, the first TA value includes a public service link TA value, or the first TA value is determined based on the public service link TA value, wherein the public service link TA value includes at least one of the following situations:

[0137] The TA value of the public service link is configurable;

[0138] The TA value of the public service link is predefined, such as that predefined by the communication protocol;

[0139] The public service link TA value is the service link TA value of the terminal device at the first moment;

[0140] The public service link TA value is the service link TA value corresponding to the first reference position;

[0141] The public service link TA value is the service link TA value corresponding to the first reference position and the first time.

[0142] The first reference position is a predefined position or a configured position. For example, the first reference position is the center position of the cell.

[0143] In some embodiments, the first TA value corresponds to a first moment, wherein the first moment includes at least one of the following situations:

[0144] The first moment is configuration;

[0145] The first moment corresponds to the first uplink positioning signal resource among the M uplink positioning signal resources;

[0146] The first time corresponds to the sending time of the first uplink positioning signal resource among the M uplink positioning signal resources.

[0147] In some embodiments, the first uplink positioning signal resource among the M uplink positioning signal resources is predefined, or the first uplink positioning signal resource among the M uplink positioning signal resources is configured.

[0148] In some embodiments, a first uplink positioning signal is sent on a first uplink positioning signal resource among the M uplink positioning signal resources based on a first TA value; wherein the first time corresponds to the first uplink positioning signal resource.

[0149] In some embodiments, M uplink positioning signals are sent on M uplink positioning signal resources based on a first TA value.

[0150] In some embodiments, when an uplink positioning signal is sent on an uplink positioning signal resource k among the M uplink positioning signal resources, the first TA value includes a feeder link TA value corresponding to time k;

[0151] The time k corresponds to the sending time of the uplink positioning signal resource k.

[0152] In some embodiments, the M uplink positioning signal resources are determined according to the first configuration information.

[0153] In some embodiments, the terminal device receives first configuration information.

[0154] In some embodiments, the M uplink positioning signal resources are uplink positioning signal resources in a first uplink positioning signal resource group, and the first uplink positioning signal resource group is an uplink positioning signal resource group among the configured N uplink positioning signal resource groups, where N is an integer greater than or equal to 1.

[0155] In some embodiments, the N uplink positioning signal resources are determined according to the second configuration information.

[0156] In some embodiments, the terminal device receives second configuration information.

[0157] In some embodiments, the terminal device receives the first configuration information and / or the second configuration information.

[0158] In some embodiments, the uplink positioning signal resources in the first uplink positioning signal resource group meet at least one of the following conditions:

[0159] A transmission timing error of an uplink positioning signal corresponding to an uplink positioning signal resource in the first uplink positioning signal resource group is within a first error range;

[0160] The reception timing error of the uplink positioning signal corresponding to the uplink positioning signal resources in the first uplink positioning signal resource group is within the second error range.

[0161] In some embodiments, the uplink positioning signal resources in each uplink positioning signal resource group in the N uplink positioning signal resource groups meet at least one of the following conditions:

[0162] A transmission timing error of an uplink positioning signal corresponding to an uplink positioning signal resource in each uplink positioning signal resource group in the N uplink positioning signal resource groups is within a third error range;

[0163] A reception timing error of an uplink positioning signal corresponding to an uplink positioning signal resource in each uplink positioning signal resource group in the N uplink positioning signal resource groups is within a fourth error range.

[0164] In some embodiments, at least one of the first error range, the second error range, the third error range, and the fourth error range may be default, configured, or predefined.

[0165] In some embodiments, the first error range may mean that an error in the first error range is sufficiently small, for example, smaller than a threshold or within a specific error range or negligible.

[0166] In some embodiments, the second error range may mean that an error in the second error range is sufficiently small, for example, smaller than a threshold or within a specific error range or negligible.

[0167] In some embodiments, the third error range may mean that an error in the third error range is sufficiently small, for example, smaller than a threshold or within a specific error range or negligible.

[0168] In some embodiments, the fourth error range may mean that an error in the fourth error range is sufficiently small, for example, smaller than a threshold or within a specific error range or negligible.

[0169] In some embodiments, the N uplink positioning signal resource groups further include a second uplink positioning signal resource group, and a transmission timing of an uplink positioning signal corresponding to the uplink positioning signal resources in the second uplink positioning signal resource group is determined based on a second TA value;

[0170] The second TA value is different from the first TA value; or the second TA value is the same as the first TA value.

[0171] In some embodiments, the determination of the second TA value is similar to the determination of the first TA value.

[0172] In some embodiments, the second TA value does not include the service link TA value, or the second TA value is not determined based on the service link TA value.

[0173] In some embodiments, the second TA value includes a feeder link TA value, or the second TA value is determined based on the feeder link TA value.

[0174] In some embodiments, the second TA value includes a public service link TA value, or the second TA value is determined based on the public service link TA value, wherein the public service link TA value includes at least one of the following situations:

[0175] The TA value of the public service link is configurable;

[0176] The TA value of the public service link is predefined, such as that predefined by the communication protocol;

[0177] The public service link TA value is the service link TA value of the terminal device at the second moment;

[0178] The public service link TA value is the service link TA value corresponding to the second reference position;

[0179] The public service link TA value is the service link TA value corresponding to the second reference position and the first time.

[0180] The second reference position is a predefined position or a configured position, for example, the second reference position is the center position of the cell.

[0181] In some embodiments, the number of uplink positioning signal resources corresponding to each of the N uplink positioning signal resource groups is uniformly configured; or, the number of uplink positioning signal resources included in each of the N uplink positioning signal resource groups is the same.

[0182] In some embodiments, the number of uplink positioning signal resources corresponding to each of the N uplink positioning signal resource groups is independently configured; or, the number of uplink positioning signal resources included in each of the N uplink positioning signal resource groups is different.

[0183] In some embodiments, the transmission spatial filter information of the uplink positioning signal corresponding to each uplink positioning signal resource group in the N uplink positioning signal resource groups is independently configured.

[0184] In some embodiments, the downlink path loss calculation parameter corresponding to each uplink positioning signal resource group in the N uplink positioning signal resource groups is independently configured.

[0185] In some embodiments, the uplink positioning signal resources include positioning SRS resources and / or MIMO SRS resources.

[0186] It should be noted that in the NTN system, since the service satellite position at different times is equivalent to TRP or virtual TRP, and the terminal device can obtain the synchronization information between it and the service satellite, in some cases (for example, when there is only one service satellite), other uplink channels or uplink signals in addition to SRS resources can also be used to realize the positioning function.

[0187] In some embodiments, the uplink positioning signal resources include at least one of the following: positioning SRS resources, MIMO SRS resources, PRACH resources, and demodulation reference signal (DMRS) resources. Optionally, the DMRS resources include DMRS resources corresponding to a physical uplink shared channel (PUSCH) and / or DMRS resources corresponding to a physical uplink control channel (PUCCH).

[0188] For example, the M uplink positioning signal resources include positioning SRS resources and PRACH resources.

[0189] For another example, the N uplink positioning signal resource groups include at least two uplink positioning signal resource groups, wherein the uplink positioning signal resources included in one uplink positioning signal resource group are SRS resources, and the uplink positioning signal resources included in the other uplink positioning signal resource group are PRACH resources.

[0190] In some embodiments, sending the uplink positioning signal on the uplink positioning signal resource based on the TA value includes: sending the uplink positioning signal on at least one uplink positioning signal resource among M uplink positioning signal resources based on a third TA value, where M is an integer greater than or equal to 1.

[0191] In some embodiments, when an uplink positioning signal is sent on an uplink positioning signal resource k among the M uplink positioning signal resources, the third TA value includes a feeder link TA value corresponding to time k and / or a serving link TA value corresponding to time k;

[0192] The time k corresponds to the sending time of the uplink positioning signal resource k.

[0193] In some embodiments, the terminal device also reports at least one of the following information:

[0194] Time k1, time k2, the third TA value corresponding to time k1, the third TA value corresponding to time k2, the difference between the third TA value corresponding to time k1 and the third TA value corresponding to time k2, and the difference between the third TA value corresponding to time k1 and the third TA value corresponding to the reference time;

[0195] The time k1 corresponds to the sending time of the uplink positioning signal resource k1 among the M uplink positioning signal resources, and the time k2 corresponds to the sending time of the uplink positioning signal resource k2 among the M uplink positioning signal resources. The uplink positioning signal resource k1 and the uplink positioning signal resource k2 are uplink positioning signal resources corresponding to different sending time units.

[0196] The reference time is predefined, or the reference time is configured.

[0197] In some embodiments, the determination of the TA value is related to at least one of the following parameters:

[0198] TA value N indicated by the network device TA , N TA Offset value N TA,offset , feeder link TA value Sampling time interval unit T c .

[0199] In summary, the method provided in this embodiment enables the terminal device to send an uplink positioning signal on an uplink positioning signal resource based on the TA value, supports the network device / LMF to estimate or the terminal device to report the deviation of the signal transmission time between the service satellite and the terminal device at different times, so as to realize the positioning of the terminal device in the NTN system. In addition, since the relationship between the determination of the TA value and the TA value of the service link and the TA value of the feeder link is relatively flexible, it can support the implementation of positioning methods in different NTN scenarios.

[0200] FIG10 is a flow chart of a wireless communication method for positioning provided by an exemplary embodiment of the present application. Taking the method executed by a terminal device as an example, the method includes at least some of the following steps:

[0201] Step 102: Receive configuration of M uplink positioning signal resources;

[0202] Wherein, M is an integer greater than or equal to 1.

[0203] The terminal device is a terminal device in the NTN system, such as the terminal device 710 shown in FIG. 7 .

[0204] In some embodiments, the configuration of the M uplink positioning signal resources is determined according to first configuration information. Optionally, the first configuration information is sent by the network device or LMF to the terminal device.

[0205] The terminal device may be a terminal device in an NTN system or an evolved system of the NTN system, such as the terminal device 710 shown in FIG. 7 .

[0206] In some embodiments, the uplink positioning signal resources include positioning SRS resources and / or MIMO SRS resources.

[0207] In some embodiments, the uplink positioning signal resource includes at least one of the following: positioning SRS resources, MIMO SRS resources, PRACH resources, and DMRS resources. Optionally, the DMRS resources include DMRS resources corresponding to PUSCH and / or DMRS resources corresponding to PUCCH.

[0208] In some embodiments, M is a positive integer greater than or equal to 2.

[0209] Step 104: Send an uplink positioning signal on at least one uplink positioning signal resource among the M uplink positioning signal resources based on the first TA value.

[0210] The uplink positioning signal is sent by the terminal device to the service satellite, which may be the service satellite 720 shown in FIG. 7 .

[0211] In some embodiments, the first TA value does not include the service link TA value, or the first TA value is not determined based on the service link TA value.

[0212] In some embodiments, the first TA value includes a feeder link TA value, or the first TA value is determined based on the feeder link TA value.

[0213] In some embodiments, the first TA value includes a public service link TA value, or the first TA value is determined based on the public service link TA value, wherein the public service link TA value includes at least one of the following situations:

[0214] The TA value of the public service link is configurable;

[0215] The TA value of the public service link is predefined, such as that predefined by the communication protocol;

[0216] The public service link TA value is the service link TA value of the terminal device at the first moment;

[0217] The public service link TA value is the service link TA value corresponding to the first reference position;

[0218] The public service link TA value is the service link TA value corresponding to the first reference position and the first time.

[0219] The first reference position is a predefined position or a configured position. For example, the first reference position is the center position of the cell.

[0220] In some embodiments, the first TA value corresponds to a first moment, wherein the first moment includes at least one of the following situations:

[0221] The first moment is configuration;

[0222] The first moment corresponds to the first uplink positioning signal resource among the M uplink positioning signal resources;

[0223] The first time corresponds to the sending time of the first uplink positioning signal resource among the M uplink positioning signal resources.

[0224] In some embodiments, the first uplink positioning signal resource among the M uplink positioning signal resources is predefined, or the first uplink positioning signal resource among the M uplink positioning signal resources is configured.

[0225] In some embodiments, a first uplink positioning signal is sent on a first uplink positioning signal resource among the M uplink positioning signal resources based on a first TA value; wherein the first time corresponds to the first uplink positioning signal resource.

[0226] In some embodiments, M uplink positioning signals are sent on M uplink positioning signal resources based on a first TA value.

[0227] In some embodiments, when an uplink positioning signal is sent on an uplink positioning signal resource k among the M uplink positioning signal resources, the first TA value includes a feeder link TA value corresponding to time k;

[0228] The time k corresponds to the sending time of the uplink positioning signal resource k.

[0229] As a specific example and not limitation, the calculation formula of the TA value of the uplink positioning signal sent by the terminal device is shown in the following formula (3):

[0230]

[0231] Among them, N TA It is the TA value indicated by the network device, such as the TA value issued by the TA command; if the uplink channel or uplink signal includes PRACH or MsgA transmission, then N TA The value is 0.

[0232] N TA,offset The value may be the same as that in the related art, for example, determined based on the coexistence of LTE or NR and the network deployment frequency band.

[0233] It is obtained based on the common timing TA value parameters configured by the high-level layer (such as common timing value, common timing value offset value and common timing value offset value change rate); if the common timing TA value parameters are not configured, then The value is 0. In some cases Also called the feeder link TA value.

[0234] T c Indicates the sampling time interval unit, T c =1 / (480*1000*4096).

[0235] Optionally, the terminal device determines a first TA value corresponding to the first moment according to the above formula (3), and sends an uplink positioning signal on at least one uplink positioning signal resource among the M uplink positioning signal resources according to the first TA value.

[0236] The sending of an uplink positioning signal on at least one uplink positioning signal resource among the M uplink positioning signal resources according to the first TA value includes: sending the first uplink positioning signal on the first uplink positioning signal resource among the M uplink positioning signal resources according to the first TA value; or sending M uplink positioning signals on the M uplink positioning signal resources according to the first TA value.

[0237] The first moment corresponds to the first uplink positioning signal resource, or the first moment is configured, or the first moment is predefined.

[0238] Optionally, the terminal device determines the TA value corresponding to the time k according to the above formula (3), and sends the uplink positioning signal k through the uplink positioning signal resource k among the M uplink positioning signal resources according to the TA value corresponding to the time k, where the uplink positioning signal resource k corresponds to the time k.

[0239] As another specific example but not limitation, the calculation formula of the TA value of the uplink positioning signal sent by the terminal device is shown in the following formula (4):

[0240]

[0241] Among them, N TA It is the TA value indicated by the network device, such as the TA value issued by the TA command; if the uplink channel or uplink signal includes PRACH or MsgA transmission, then N TA The value is 0.

[0242] N TA，offset The value may be the same as that in the related art, for example, determined based on the coexistence of LTE or NR and the network deployment frequency band.

[0243] It is obtained based on the common timing TA value parameters configured by the high-level layer (such as common timing value, common timing value offset value and common timing value offset value change rate); if the common timing TA value parameters are not configured, then The value is 0. In some cases Also called the feeder link TA value.

[0244] It is the TA value of the public service link calculated based on the terminal device position and the service satellite ephemeris information configured by the high-level configuration; if the service satellite ephemeris information is not configured, then The value is 0. Optionally, Corresponding to the first moment. Optionally, Does not change over time.

[0245] T c Indicates the sampling time interval unit, T c =1 / (480*1000*4096).

[0246] Optionally, the terminal device determines a first TA value corresponding to the first moment according to the above formula (4), and sends an uplink positioning signal on at least one uplink positioning signal resource among the M uplink positioning signal resources according to the first TA value.

[0247] The sending of an uplink positioning signal on at least one uplink positioning signal resource among the M uplink positioning signal resources according to the first TA value includes: sending the first uplink positioning signal on the first uplink positioning signal resource among the M uplink positioning signal resources according to the first TA value; or sending M uplink positioning signals on the M uplink positioning signal resources according to the first TA value.

[0248] The first moment corresponds to the first uplink positioning signal resource, or the first moment is configured, or the first moment is predefined.

[0249] Optionally, the terminal device determines the TA value corresponding to the time k according to the above formula (4), and sends the uplink positioning signal k through the uplink positioning signal resource k among the M uplink positioning signal resources according to the TA value corresponding to the time k, where the uplink positioning signal resource k corresponds to the time k.

[0250] In summary, the method provided in this embodiment enables the terminal device to send an uplink positioning signal on at least one of the M uplink positioning signal resources based on the TA value, and supports the network device / LMF to estimate the deviation of the signal transmission time between the service satellite and the terminal device at different times, so as to realize the positioning of the terminal device in the NTN system. In addition, since the relationship between the determination of the TA value and the TA value of the service link and the TA value of the feeder link is relatively flexible, it can support the implementation of positioning methods in different NTN scenarios.

[0251] As mentioned above, in the TN system, for the UL-TDOA positioning method, it can be considered that the timing errors of the terminal equipment sending uplink positioning signals to different (virtual) TRPs are equal, that is, However, in the NTN system, due to the characteristics of the NTN system such as large signal propagation delay and satellite movement, terminal devices need to frequently adjust the TA value. The TA values ​​corresponding to different times may vary greatly. Therefore, the NTN system can no longer make the same assumptions as the TN system, and the positioning method in the NTN system needs to be enhanced.

[0252] The present application further provides a UL-TDOA positioning method applicable to NTN scenarios as described below.

[0253] FIG11 shows a schematic flow chart of a wireless communication method for positioning provided by an exemplary embodiment of the present application.

[0254] This method can be applied to the positioning system 700 shown in FIG7 , and the service satellite 720 in the positioning system 700 includes at least one virtual TRP group, and each virtual TRP group includes at least one virtual TRP.

[0255] The uplink positioning signal sent by the terminal device to the virtual TRP belonging to the same virtual TAP group has a corresponding sending timing error that is small enough (for example, less than the first threshold or negligible); and / or, the measurement result obtained by the network device / LMF on the virtual TRP belonging to the same virtual TAP group has a corresponding measurement timing error that is small enough (for example, less than the second threshold or negligible), thereby supporting the use of this method to obtain higher positioning accuracy.

[0256] Alternatively, the virtual TRP group corresponds to a continuous period of time, such as a first continuous time, during which the timing error of the terminal device in sending the uplink positioning signal is small enough (for example, less than a third threshold or negligible), so that the positioning method in the NTN scenario can reuse the assumptions in the positioning method in the TN scenario, that is, assuming that the sending timing errors at different times are equal.

[0257] Optionally, at least one of the first threshold, the second threshold, and the third threshold is default, configured, or predefined.

[0258] In this embodiment, each virtual TRP group includes TRPs corresponding to at least two different moments as an example. Virtual TRP group i includes TRP i corresponding to the service satellite position at moment ti and TRP i' corresponding to the service satellite position at moment ti', wherein the distance between TRP i and the terminal device is di, and the distance between TRP i' and the terminal device is di', i = 0, 1, 2, ..., M-1. In each virtual TRP group, TRP i is regarded as a reference TRP. As shown in Figure 7, the distance between TRP 0 and the terminal device is d0, the distance between TRP 0' and the terminal device is d0', the distance between TRP 1 and the terminal device is d1, the distance between TRP 1' and the terminal device is d1', the distance between TRP 2 and the terminal device is d2, the distance between TRP 2' and the terminal device is d2', the distance between TRP 3 and the terminal device is d3, and the distance between TRP 3' and the terminal device is d3'.

[0259] As a specific example and not limitation, the measurements of the same TRP group are all within the first duration, or the errors in the measurement results of the same TRP group are negligible.

[0260] As a specific example but not limitation, the transmission time corresponding to the uplink positioning signal (such as SRS signal) of the same TRP group is within the first duration, or the timing error of the transmission time corresponding to the uplink positioning signal (such as SRS signal) of the same TRP group can be ignored.

[0261] As described above, the positioning system to which the wireless communication method provided in this embodiment is applicable can be applied to but not limited to at least one of the following positioning methods: DL-TDOA positioning method, UL-TDOA positioning method, and Multi-RTT positioning method.

[0262] For the UL-TDOA positioning method, the above formula (2) can be enhanced as shown in the following formula (5):

[0263]

[0264] Where c represents the speed of light, n i 、n i , indicating the error.

[0265] Taking the wireless communication method provided in this embodiment as being performed by a terminal device as an example, the method includes at least some of the following steps:

[0266] Step 112: Receive configurations of N uplink positioning signal resource groups;

[0267] Wherein, N is an integer greater than or equal to 1.

[0268] In some embodiments, the configuration of N uplink positioning signal resource groups is determined based on second configuration information. Optionally, the second configuration information is sent by the network device or LMF to the terminal device.

[0269] The terminal device may be a terminal device in an NTN system or an evolved system of the NTN system, such as the terminal device 710 shown in FIG. 7 .

[0270] In some embodiments, the uplink positioning signal resources include positioning SRS resources and / or MIMO SRS resources.

[0271] In some embodiments, the uplink positioning signal resource includes at least one of the following: positioning SRS resources, MIMO SRS resources, PRACH resources, and DMRS resources. Optionally, the DMRS resources include DMRS resources corresponding to PUSCH and / or DMRS resources corresponding to PUCCH.

[0272] For example, the terminal device receives the configuration of N positioning SRS resource groups.

[0273] In some embodiments, the N uplink positioning signal resource groups include a first uplink positioning signal resource group and / or a second uplink positioning signal resource group.

[0274] In some embodiments, the first uplink positioning signal resource group includes M uplink positioning signal resources, where M is an integer greater than or equal to 1.

[0275] In some embodiments, N is a positive integer greater than or equal to 4.

[0276] In some embodiments, M is a positive integer greater than or equal to 2.

[0277] Step 114: Send an uplink positioning signal on at least one uplink positioning signal resource in the first uplink positioning signal resource group based on the first TA value; and / or send an uplink positioning signal on at least one uplink positioning signal resource in the second uplink positioning signal resource group based on the second TA value.

[0278] The uplink positioning signal is sent by the terminal device to the service satellite, which may be the service satellite 720 shown in FIG. 7 .

[0279] In some embodiments, the uplink positioning signal resources in the first uplink positioning signal resource group meet at least one of the following conditions:

[0280] A transmission timing error of an uplink positioning signal corresponding to an uplink positioning signal resource in the first uplink positioning signal resource group is within a first error range;

[0281] The reception timing error of the uplink positioning signal corresponding to the uplink positioning signal resources in the first uplink positioning signal resource group is within the second error range.

[0282] In some embodiments, the uplink positioning signal resources in each uplink positioning signal resource group in the N uplink positioning signal resource groups meet at least one of the following conditions:

[0283] A transmission timing error of an uplink positioning signal corresponding to an uplink positioning signal resource in each uplink positioning signal resource group in the N uplink positioning signal resource groups is within a third error range;

[0284] A reception timing error of an uplink positioning signal corresponding to an uplink positioning signal resource in each uplink positioning signal resource group in the N uplink positioning signal resource groups is within a fourth error range.

[0285] In some embodiments, at least one of the first error range, the second error range, the third error range, and the fourth error range may be default, configured, or predefined.

[0286] In some embodiments, the first error range may mean that an error in the first error range is sufficiently small, for example, smaller than a threshold or within a specific error range or negligible.

[0287] In some embodiments, the second error range may mean that an error in the second error range is sufficiently small, for example, smaller than a threshold or within a specific error range or negligible.

[0288] In some embodiments, the third error range may mean that an error in the third error range is sufficiently small, for example, smaller than a threshold or within a specific error range or negligible.

[0289] In some embodiments, the fourth error range may mean that an error in the fourth error range is sufficiently small, for example, smaller than a threshold or within a specific error range or negligible.

[0290] In some embodiments, the N uplink positioning signal resource groups further include a second uplink positioning signal resource group, and a transmission timing of an uplink positioning signal corresponding to the uplink positioning signal resources in the second uplink positioning signal resource group is determined based on a second TA value;

[0291] The second TA value is different from the first TA value; or the second TA value is the same as the first TA value.

[0292] In some embodiments, the determination of the second TA value is similar to the determination of the first TA value.

[0293] In some embodiments, the second TA value does not include the service link TA value, or the second TA value is not determined based on the service link TA value.

[0294] In some embodiments, the second TA value includes a feeder link TA value, or the second TA value is determined based on the feeder link TA value.

[0295] In some embodiments, the second TA value includes a public service link TA value, or the second TA value is determined based on the public service link TA value, wherein the public service link TA value includes at least one of the following situations:

[0296] The TA value of the public service link is configurable;

[0297] The TA value of the public service link is predefined, such as that predefined by the communication protocol;

[0298] The public service link TA value is the service link TA value of the terminal device at the second moment;

[0299] The public service link TA value is the service link TA value corresponding to the second reference position;

[0300] The public service link TA value is the service link TA value corresponding to the second reference position and the first time.

[0301] The second reference position is a predefined position or a configured position, for example, the second reference position is the center position of the cell.

[0302] In some embodiments, the number of uplink positioning signal resources corresponding to each of the N uplink positioning signal resource groups is uniformly configured; or, the number of uplink positioning signal resources included in each of the N uplink positioning signal resource groups is the same.

[0303] In some embodiments, the number of uplink positioning signal resources corresponding to each of the N uplink positioning signal resource groups is independently configured; or, the number of uplink positioning signal resources included in each of the N uplink positioning signal resource groups is different.

[0304] In some embodiments, the transmission spatial filter information of the uplink positioning signal corresponding to each uplink positioning signal resource group in the N uplink positioning signal resource groups is independently configured.

[0305] In some embodiments, the downlink path loss calculation parameter corresponding to each uplink positioning signal resource group in the N uplink positioning signal resource groups is independently configured.

[0306] In summary, the method provided in this embodiment enables the terminal device to send an uplink positioning signal on at least one uplink positioning signal resource in N uplink positioning signal resource groups based on the TA value, supports the network device / LMF to estimate the deviation of the signal transmission time between the service satellite and the terminal device at different times, so as to realize the positioning of the terminal device in the NTN system. Moreover, since the relationship between the determination of the TA value and the service link TA value and the feeder link TA value is relatively flexible, it can support the implementation of positioning methods in different NTN scenarios. Since the timing error of the uplink positioning signal sent by the terminal device to the same TRP group and / or the timing error corresponding to the measurement results belonging to the same TRP group is sufficiently small, a relatively high positioning accuracy can be obtained based on the assumption of reusing the positioning method in the TN system.

[0307] FIG12 is a flow chart of a wireless communication method for positioning provided by an exemplary embodiment of the present application. Taking the method executed by a terminal device as an example, the method includes at least some of the following steps:

[0308] Step 122: Receive configuration of M uplink positioning signal resources;

[0309] Wherein, M is an integer greater than or equal to 1.

[0310] In some embodiments, the configuration of the M uplink positioning signal resources is determined according to first configuration information. Optionally, the first configuration information is sent by the network device or LMF to the terminal device.

[0311] The terminal device may be a terminal device in an NTN system or an evolved system of the NTN system, such as the terminal device 710 shown in FIG. 7 .

[0312] In some embodiments, the uplink positioning signal resources include positioning SRS resources and / or MIMO SRS resources.

[0313] In some embodiments, the uplink positioning signal resource includes at least one of the following: positioning SRS resources, MIMO SRS resources, PRACH resources, and DMRS resources. Optionally, the DMRS resources include DMRS resources corresponding to PUSCH and / or DMRS resources corresponding to PUCCH.

[0314] In some embodiments, M is a positive integer greater than or equal to 2.

[0315] Step 124: Send an uplink positioning signal on at least one uplink positioning signal resource among the M uplink positioning signal resources based on the third TA value;

[0316] The uplink positioning signal is sent by the terminal device to the service satellite, which may be the service satellite 720 shown in FIG. 7 .

[0317] In some embodiments, when an uplink positioning signal is sent on an uplink positioning signal resource k among the M uplink positioning signal resources, the third TA value includes a feeder link TA value corresponding to time k and / or a serving link TA value corresponding to time k;

[0318] The time k corresponds to the sending time of the uplink positioning signal resource k.

[0319] In some embodiments, the determination of the third TA value is related to at least one of the following: the TA value N indicated by the network device; TA , N TA Offset value N TA,offset , feeder link TA value Sampling time interval unit T c .

[0320] Step 126: Report the first information.

[0321] The first information includes at least one of the following:

[0322] Time k1, time k2, the third TA value corresponding to time k1, the third TA value corresponding to time k2, the difference between the third TA value corresponding to time k1 and the third TA value corresponding to time k2, and the difference between the third TA value corresponding to time k1 and the third TA value corresponding to the reference time;

[0323] The time k1 corresponds to the sending time of the uplink positioning signal resource k1 among the M uplink positioning signal resources, and the time k2 corresponds to the sending time of the uplink positioning signal resource k2 among the M uplink positioning signal resources. The uplink positioning signal resource k1 and the uplink positioning signal resource k2 are uplink positioning signal resources corresponding to different sending time units.

[0324] The reference time is predefined, or the reference time is configured.

[0325] In some embodiments, the terminal device reports Wherein, ti represents the service link TA value corresponding to time i. Time i is configured or predefined.

[0326] In some embodiments, the terminal device reports Wherein, tj represents the TA value of the service link corresponding to time j, and ti represents the TA value of the service link corresponding to time i. Time j is configured or predefined, and time i is configured or predefined.

[0327] In some embodiments, the terminal device reports Wherein, t0 represents the service link TA value corresponding to the reference time, ti represents the service link TA value corresponding to time i. Time 0 is configured or predefined, and time i is configured or predefined.

[0328] In summary, the method provided in this embodiment enables the terminal device to send an uplink positioning signal on an uplink positioning signal resource based on the TA value, supports the terminal device to report the deviation of the signal transmission time between the service satellite and the terminal device at different times, so as to assist the network device / LMF in implementing the positioning of the terminal device in the NTN system. In addition, since the relationship between the determination of the TA value and the TA value of the service link and the TA value of the feeder link is relatively flexible, it can support the implementation of positioning methods in different NTN scenarios.

[0329] FIG13 shows a flow chart of a wireless communication method for positioning provided by an exemplary embodiment of the present application. Taking the method executed by a network device as an example, the method includes at least some of the following steps:

[0330] Step 132: Send the first configuration information and / or the second configuration information;

[0331] The first configuration information is sent by the network device to the terminal device, and is used by the terminal device to determine M uplink positioning signal resources.

[0332] The second configuration information is sent by the network device to the terminal device, and is used by the terminal device to determine N uplink positioning signal resource groups.

[0333] The network device may be a network device in an NTN system or an evolved system of the NTN system, such as the network device 730 shown in FIG. 7 .

[0334] In some embodiments, the uplink positioning signal resources include positioning SRS resources and / or MIMO SRS resources.

[0335] In some embodiments, the uplink positioning signal resource includes at least one of the following: positioning SRS resources, MIMO SRS resources, PRACH resources, and DMRS resources. Optionally, the DMRS resources include DMRS resources corresponding to PUSCH and / or DMRS resources corresponding to PUCCH.

[0336] For example, M positioning SRS resources are configured to the terminal device through the first configuration information, or N positioning SRS resource groups are configured to the terminal device through the second configuration information.

[0337] For another example, M positioning SRS resources are configured for the terminal device through the first configuration information, and a positioning SRS resource group identifier is configured for each of the M positioning SRS resources through the second configuration information.

[0338] In some embodiments, the first configuration information carries configurations of M uplink positioning signal resources, where M is an integer greater than or equal to 1.

[0339] In some embodiments, the second configuration information carries configurations of N uplink positioning signal resource groups, where N is an integer greater than or equal to 1. Optionally, the N uplink positioning signal resource groups include the first uplink positioning signal resource group and / or the second uplink positioning signal resource group. Optionally, the first uplink positioning signal resource group includes M uplink positioning signal resources, where N is an integer greater than or equal to 1.

[0340] In some embodiments, the terminal device further sends third configuration information, where the third configuration information is used to determine at least one of the following:

[0341] TA value of the public service link;

[0342] First reference position;

[0343] First moment;

[0344] The first uplink positioning signal resource among the M uplink positioning signal resources.

[0345] In some embodiments, the third configuration information sent to different terminal devices or to the same terminal device at different times may be the same or different.

[0346] In some embodiments, the uplink positioning signal resources in the first uplink positioning signal resource group meet at least one of the following conditions:

[0347] A transmission timing error of an uplink positioning signal corresponding to an uplink positioning signal resource in the first uplink positioning signal resource group is within a first error range;

[0348] The reception timing error of the uplink positioning signal corresponding to the uplink positioning signal resources in the first uplink positioning signal resource group is within the second error range.

[0349] In some embodiments, the uplink positioning signal resources in each uplink positioning signal resource group in the N uplink positioning signal resource groups meet at least one of the following conditions:

[0350] A transmission timing error of an uplink positioning signal corresponding to an uplink positioning signal resource in each uplink positioning signal resource group in the N uplink positioning signal resource groups is within a third error range;

[0351] A reception timing error of an uplink positioning signal corresponding to an uplink positioning signal resource in each uplink positioning signal resource group in the N uplink positioning signal resource groups is within a fourth error range.

[0352] In some embodiments, at least one of the first error range, the second error range, the third error range, and the fourth error range may be default, configured, or predefined.

[0353] In some embodiments, the first error range may mean that an error in the first error range is sufficiently small, for example, smaller than a threshold or within a specific error range or negligible.

[0354] In some embodiments, the second error range may mean that an error in the second error range is sufficiently small, for example, smaller than a threshold or within a specific error range or negligible.

[0355] In some embodiments, the third error range may mean that an error in the third error range is sufficiently small, for example, smaller than a threshold or within a specific error range or negligible.

[0356] In some embodiments, the fourth error range may mean that an error in the fourth error range is sufficiently small, for example, smaller than a threshold or within a specific error range or negligible.

[0357] In some embodiments, the N uplink positioning signal resource groups further include a second uplink positioning signal resource group.

[0358] In some embodiments, the number of uplink positioning signal resources corresponding to each of the N uplink positioning signal resource groups is uniformly configured; or, the number of uplink positioning signal resources included in each of the N uplink positioning signal resource groups is the same.

[0359] In some embodiments, the number of uplink positioning signal resources corresponding to each of the N uplink positioning signal resource groups is independently configured; or, the number of uplink positioning signal resources included in each of the N uplink positioning signal resource groups is different.

[0360] In some embodiments, the transmission spatial filter information of the uplink positioning signal corresponding to each uplink positioning signal resource group in the N uplink positioning signal resource groups is independently configured.

[0361] In some embodiments, the downlink path loss calculation parameter corresponding to each uplink positioning signal resource group in the N uplink positioning signal resource groups is independently configured.

[0362] Step 134: Determine and / or report first measurement information based on the uplink positioning signal received on the uplink positioning signal resource.

[0363] In some embodiments, the network device receives an uplink positioning signal on an uplink positioning signal resource, and / or the network device receives first measurement information.

[0364] In some embodiments, the uplink positioning signal is sent by a service satellite (which may be a service satellite in an NTN system, such as the service satellite 720 shown in FIG. 7 ) to the network device.

[0365] In some embodiments, the first measurement information is sent by a service satellite (which may be a service satellite in an NTN system, such as the service satellite 720 shown in FIG. 7 ) to the network device.

[0366] In some embodiments, the network device refers to an access network device, which has the ability to calculate or estimate the location of the terminal device.

[0367] In some embodiments, based on the uplink positioning signal received on at least one uplink positioning signal resource among M uplink positioning signal resources, first measurement information is determined, based on the first measurement information, the position of the terminal device is determined, and the positioning result of the terminal device is reported to the core network device (such as LMF).

[0368] In some embodiments, based on the uplink positioning signal received on at least one uplink positioning signal resource in at least one uplink positioning signal resource group in N uplink positioning signal resource groups, first measurement information is determined, and based on the first measurement information, the position of the terminal device is determined, and the positioning result of the terminal device is reported to the core network device (such as LMF).

[0369] In some embodiments, the network device refers to an access network device, which does not have the ability to calculate or estimate the location of the terminal device. The network device reports the first measurement information to the core network device (such as LMF), and the core network device (such as LMF) calculates or estimates the location of the terminal device.

[0370] In some embodiments, based on the uplink positioning signal received on at least one uplink positioning signal resource among the M uplink positioning signal resources, the first measurement information is reported, and the core network device (such as LMF) determines the position of the terminal device based on the first measurement information, that is, obtains the positioning result of the terminal device.

[0371] In some embodiments, based on the uplink positioning signal received on at least one uplink positioning signal resource in at least one uplink positioning signal resource group in N uplink positioning signal resource groups, first measurement information is reported, and the core network device (such as LMF) determines the position of the terminal device based on the first measurement information, that is, obtains the positioning result of the terminal device.

[0372] In some embodiments, the first measurement information includes at least one of the following: a starting position of an uplink time unit k, a coordinated universal time (UTC) corresponding to the starting position of the uplink time unit k, and a UL RTOA corresponding to the uplink time unit k;

[0373] The uplink time unit k is a time unit corresponding to the uplink positioning signal resource k in the M uplink positioning signal resources, or the uplink time unit k is a time unit corresponding to the uplink positioning signal resource k in the N uplink positioning signal resource groups.

[0374] In some embodiments, the first measurement information includes at least one of the following: a starting position of the uplink time unit k1, a UTC corresponding to the starting position of the uplink time unit k1, a starting position of the uplink time unit k2, a UTC corresponding to the starting position of the uplink time unit k2, and a difference between the starting position of the uplink time unit k1 and the starting position of the uplink time unit k2;

[0375] Among them, the uplink time unit k1 is the time unit corresponding to the uplink positioning signal resource k1 among the M uplink positioning signal resources, the uplink time unit k2 is the time unit corresponding to the uplink positioning signal resource k2 among the M uplink positioning signal resources, and the uplink positioning signal resource k1 and the uplink positioning signal resource k2 are uplink positioning signal resources corresponding to different sending time units; or, the uplink time unit k1 is the time unit corresponding to the uplink positioning signal resource k1 among the N uplink positioning signal resource groups, the uplink time unit k2 is the time unit corresponding to the uplink positioning signal resource k2 among the N uplink positioning signal resource groups, and the uplink positioning signal resource k1 and the uplink positioning signal resource k2 are uplink positioning signal resources corresponding to different sending time units.

[0376] In some embodiments, the uplink time unit is determined based on one of the following timings: the uplink timing on the service satellite (such as a satellite, or TRP, or TP, or virtual TRP, etc.) side, the uplink timing on the reference point side, and the uplink timing on the network device (such as an access network device, or a base station, etc.).

[0377] In summary, the method provided in this embodiment enables a network device to receive an uplink positioning signal sent by a terminal device on an uplink positioning signal resource based on a TA value and / or first measurement information from a serving satellite, thereby supporting or assisting the LMF in estimating the terminal device's position, thereby locating the terminal device in an NTN scenario. Furthermore, due to the flexible configuration of the uplink positioning signal resource and the method for estimating the terminal device's position, positioning methods in various NTN scenarios can be supported.

[0378] FIG14 shows a block diagram of a wireless communication apparatus for positioning provided by an exemplary embodiment of the present application. Taking the apparatus as applied to a terminal device as an example, the apparatus includes at least some of the first sending module 142, the first determining module 144, and the first receiving module 146.

[0379] The first sending module 142 is configured to send an uplink positioning signal on an uplink positioning signal resource based on a TA value.

[0380] In some embodiments, the first sending module 142 is further configured to send an uplink positioning signal on at least one uplink positioning signal resource among M uplink positioning signal resources based on the first TA value, where M is an integer greater than or equal to 1.

[0381] In some embodiments, the first TA value does not include a service link TA value, or the first TA value is not determined based on the service link TA value.

[0382] In some embodiments, the first TA value includes a feeder link TA value, or the first TA value is determined based on the feeder link TA value.

[0383] In some embodiments, the first TA value includes a public service link TA value, or the first TA value is determined based on the public service link TA value, wherein the public service link TA value includes at least one of the following situations:

[0384] The public service link TA value is configured;

[0385] The public service link TA value is predefined;

[0386] The public service link TA value is the service link TA value of the terminal device at the first moment;

[0387] The public service link TA value is the service link TA value corresponding to the first reference position;

[0388] The public service link TA value is a service link TA value corresponding to the first reference position and the first time.

[0389] In some embodiments, the first reference position is a predefined position, or the first reference position is a configured position.

[0390] In some embodiments, the first TA value corresponds to a first moment; wherein the first moment includes at least one of the following situations:

[0391] The first moment is configuration;

[0392] The first time corresponds to a first uplink positioning signal resource among the M uplink positioning signal resources;

[0393] The first time corresponds to a sending time of a first uplink positioning signal resource among the M uplink positioning signal resources.

[0394] In some embodiments, the first uplink positioning signal resource among the M uplink positioning signal resources is predefined, or the first uplink positioning signal resource among the M uplink positioning signal resources is configured.

[0395] In some embodiments, the first sending module 142 is further configured to send a first uplink positioning signal on a first uplink positioning signal resource among the M uplink positioning signal resources based on the first TA value;

[0396] The first moment corresponds to the first uplink positioning signal resource.

[0397] In some embodiments, the first sending module 142 is further configured to send M uplink positioning signals on the M uplink positioning signal resources based on the first TA value.

[0398] In some embodiments, when the first sending module 142 is configured to send an uplink positioning signal on an uplink positioning signal resource k among the M uplink positioning signal resources, the first TA value includes a feeder link TA value corresponding to time k;

[0399] The time k corresponds to the sending time of the uplink positioning signal resource k.

[0400] In some embodiments, the apparatus further includes a first determining module 144 configured to determine the M uplink positioning signal resources according to the first configuration information.

[0401] In some embodiments, the apparatus further includes a first receiving module 146 for receiving first configuration information.

[0402] In some embodiments, the M uplink positioning signal resources are uplink positioning signal resources in a first uplink positioning signal resource group, and the first uplink positioning signal resource group is an uplink positioning signal resource group among the configured N uplink positioning signal resource groups, where N is an integer greater than or equal to 1.

[0403] In some embodiments, the uplink positioning signal resources in the first uplink positioning signal resource group meet at least one of the following conditions:

[0404] A transmission timing error of an uplink positioning signal corresponding to an uplink positioning signal resource in the first uplink positioning signal resource group is within a first error range;

[0405] A reception timing error of an uplink positioning signal corresponding to an uplink positioning signal resource in the first uplink positioning signal resource group is within a second error range;

[0406] Alternatively, the uplink positioning signal resources in each uplink positioning signal resource group in the N uplink positioning signal resource groups meet at least one of the following conditions:

[0407] A transmission timing error of an uplink positioning signal corresponding to an uplink positioning signal resource in each of the N uplink positioning signal resource groups is within a third error range;

[0408] A reception timing error of an uplink positioning signal corresponding to an uplink positioning signal resource in each uplink positioning signal resource group in the N uplink positioning signal resource groups is within a fourth error range.

[0409] In some embodiments, the N uplink positioning signal resource groups further include a second uplink positioning signal resource group, and the first determining module 144 is configured to determine, based on the second TA value, a transmission timing of an uplink positioning signal corresponding to an uplink positioning signal resource in the second uplink positioning signal resource group;

[0410] The second TA value is different from the first TA value; or the second TA value is the same as the first TA value.

[0411] In some embodiments, the first receiving module 142 is further used to receive the number of uplink positioning signal resources corresponding to each uplink positioning signal resource group in the N uniformly configured uplink positioning signal resource groups; or, the number of uplink positioning signal resources included in each uplink positioning signal resource group in the N uplink positioning signal resource groups is the same.

[0412] In some embodiments, the first receiving module 142 is further used to receive the number of uplink positioning signal resources corresponding to each of the N independently configured uplink positioning signal resource groups; or, the number of uplink positioning signal resources included in each of the N uplink positioning signal resource groups is different.

[0413] In some embodiments, the first receiving module 142 is further configured to receive transmission spatial filter information of an uplink positioning signal corresponding to each uplink positioning signal resource group in the N independently configured uplink positioning signal resource groups.

[0414] In some embodiments, the first receiving module 142 is further configured to receive a downlink path loss calculation parameter corresponding to each uplink positioning signal resource group in the N independently configured uplink positioning signal resource groups.

[0415] In some embodiments, the uplink positioning signal resources include positioning SRS resources and / or MIMO SRS resources.

[0416] In some embodiments, the first sending module 142 is further configured to send an uplink positioning signal on at least one uplink positioning signal resource among M uplink positioning signal resources based on a third TA value, where M is an integer greater than or equal to 1.

[0417] In some embodiments, the first sending module 142 is configured to, when sending an uplink positioning signal on an uplink positioning signal resource k among the M uplink positioning signal resources, the third TA value includes a feeder link TA value corresponding to time k and / or a service link TA value corresponding to time k;

[0418] The time k corresponds to the sending time of the uplink positioning signal resource k.

[0419] In some embodiments, the first sending module 142 is further configured to report at least one of the following information:

[0420] Time k1, time k2, the third TA value corresponding to time k1, the third TA value corresponding to time k2, the difference between the third TA value corresponding to time k1 and the third TA value corresponding to time k2, and the difference between the third TA value corresponding to time k1 and the third TA value corresponding to a reference time;

[0421] The time k1 corresponds to the sending time of the uplink positioning signal resource k1 among the M uplink positioning signal resources, and the time k2 corresponds to the sending time of the uplink positioning signal resource k2 among the M uplink positioning signal resources. The uplink positioning signal resource k1 and the uplink positioning signal resource k2 are uplink positioning signal resources corresponding to different sending time units.

[0422] The reference time is predefined, or the reference time is configured.

[0423] In some embodiments, the determination of the TA value is related to at least one of the following parameters:

[0424] TA value N indicated by the network device TA , N TA Offset value N TA,offset , feeder link TA value Sampling time interval unit T c .

[0425] In summary, the apparatus provided in this embodiment transmits an uplink positioning signal on an uplink positioning signal resource based on the TA value by the terminal device, supports estimation by the network device / LMF or reporting by the terminal device of the deviation of the signal transmission time between the service satellite and the terminal device at different times, so as to realize the positioning of the terminal device in the NTN system. In addition, since the relationship between the determination of the TA value and the TA value of the service link and the TA value of the feeder link is relatively flexible, it can support the implementation of positioning methods in different NTN scenarios.

[0426] FIG15 shows a block diagram of a wireless communication device for positioning provided by an exemplary embodiment of the present application. Taking the device applied to a network device as an example, the device includes at least some of the modules among a second sending module 152, a second determining module 154, and a second receiving module 156:

[0427] The second sending module 152 is configured to report first measurement information based on the uplink positioning signal received on the uplink positioning signal resource;

[0428] A second determining module 154 is configured to determine first measurement information based on an uplink positioning signal received on an uplink positioning signal resource;

[0429] The second receiving module 156 is configured to receive an uplink positioning signal on an uplink positioning signal resource, or to receive first measurement information.

[0430] In some embodiments, the first measurement information includes at least one of the following: a starting position of an uplink time unit k, a coordinated universal time (UTC) corresponding to the starting position of the uplink time unit k, and an uplink relative time of arrival (UL) RTOA corresponding to the uplink time unit k;

[0431] The uplink time unit k is a time unit corresponding to the uplink positioning signal resource k among the M uplink positioning signal resources.

[0432] In some embodiments, the uplink positioning signal resource k is the first uplink positioning signal resource among the M uplink positioning signal resources; or, the uplink positioning signal resource k is the last uplink positioning signal resource among the M uplink positioning signal resources; or, the uplink positioning signal resource k is the uplink positioning signal resource among the M uplink positioning signal resources used to determine the first measurement information.

[0433] In some embodiments, the first measurement information includes at least one of the following: a starting position of the uplink time unit k1, a coordinated universal time (UTC) corresponding to the starting position of the uplink time unit k1, a starting position of the uplink time unit k2, a UTC time corresponding to the starting position of the uplink time unit k2, and a difference between the starting positions of the uplink time unit k1 and the starting positions of the uplink time unit k2;

[0434] Among them, the uplink time unit k1 is the time unit corresponding to the uplink positioning signal resource k1 among the M uplink positioning signal resources, the uplink time unit k2 is the time unit corresponding to the uplink positioning signal resource k2 among the M uplink positioning signal resources, and the uplink positioning signal resource k1 and the uplink positioning signal resource k2 are uplink positioning signal resources corresponding to different sending time units.

[0435] In some embodiments, the uplink time unit is determined according to one of the following timings: the uplink timing of the service satellite, the uplink timing of the reference point, and the uplink timing of the network device side.

[0436] In some embodiments, the second sending module 152 is further configured to send first configuration information, where the first configuration information is used to determine the M uplink positioning signal resources;

[0437] And / or, further used to send second configuration information, where the second configuration information is used to determine N uplink positioning signal resource groups, where a first uplink positioning signal resource group among the N uplink positioning signal resource groups includes M uplink positioning signal resources.

[0438] In some embodiments, the second sending module 152 is further configured to send third configuration information, where the third configuration information is used to determine at least one of the following:

[0439] TA value of the public service link;

[0440] a first reference position;

[0441] First moment;

[0442] The first uplink positioning signal resource among the M uplink positioning signal resources.

[0443] In some embodiments, the M uplink positioning signal resources are uplink positioning signal resources in a first uplink positioning signal resource group, and the first uplink positioning signal resource group is an uplink positioning signal resource group among the configured N uplink positioning signal resource groups, where N is an integer greater than or equal to 1.

[0444] In some embodiments, the uplink positioning signal resources in the first uplink positioning signal resource group meet at least one of the following conditions:

[0445] A transmission timing error of an uplink positioning signal corresponding to an uplink positioning signal resource in the first uplink positioning signal resource group is within a first error range;

[0446] A reception timing error of an uplink positioning signal corresponding to an uplink positioning signal resource in the first uplink positioning signal resource group is within a second error range;

[0447] Alternatively, the uplink positioning signal resources in each uplink positioning signal resource group in the N uplink positioning signal resource groups meet at least one of the following conditions:

[0448] A transmission timing error of an uplink positioning signal corresponding to an uplink positioning signal resource in each of the N uplink positioning signal resource groups is within a third error range;

[0449] A reception timing error of an uplink positioning signal corresponding to an uplink positioning signal resource in each uplink positioning signal resource group in the N uplink positioning signal resource groups is within a fourth error range.

[0450] In some embodiments, the second sending module 152 is further used to uniformly configure the number of uplink positioning signal resources corresponding to each uplink positioning signal resource group in the N uplink positioning signal resource groups; or, it is further used to independently configure the number of uplink positioning signal resources corresponding to each uplink positioning signal resource group in the N uplink positioning signal resource groups.

[0451] In some embodiments, the second sending module 152 is further configured to independently configure sending spatial filter information of the uplink positioning signal corresponding to each uplink positioning signal resource group in the N uplink positioning signal resource groups.

[0452] In some embodiments, the second sending module 152 is further configured to independently configure a downlink path loss calculation parameter corresponding to each uplink positioning signal resource group in the N uplink positioning signal resource groups.

[0453] In some embodiments, the uplink positioning signal resources include positioning SRS resources and / or MIMO SRS resources.

[0454] In summary, the apparatus provided in this embodiment transmits an uplink positioning signal on an uplink positioning signal resource based on the TA value by the terminal device, supports the terminal device reporting the deviation of the signal transmission time between the service satellite and the terminal device at different times, so as to assist the network device / LMF in implementing the positioning of the terminal device in the NTN system. In addition, since the relationship between the determination of the TA value and the TA value of the service link and the TA value of the feeder link is relatively flexible, it can support the implementation of positioning methods in different NTN scenarios.

[0455] It should be noted that the device provided in the above embodiment is only illustrated by the division of the above functional modules. In actual applications, the above functions can be assigned to different functional modules as needed, that is, the internal structure of the device can be divided into different functional modules to complete all or part of the functions described above.

[0456] Regarding the device in this embodiment, the specific manner in which each module performs operations has been described in detail in the embodiment of the method and will not be elaborated here.

[0457] Figure 16 shows a schematic structural diagram of a communication device (terminal device or network device) provided by an exemplary embodiment of the present application. The communication device 1600 includes: a processor 1601, a receiver 1602, a transmitter 1603, a memory 1604 and a bus 1605.

[0458] The communication device 1600 may be used for positioning, such as positioning in an NTN scenario.

[0459] The processor 1601 includes one or more processing cores. The processor 1601 executes various functional applications and information processing by running software programs and modules.

[0460] The receiver 1602 and the transmitter 1603 may be implemented as a communication component, which may be a communication chip.

[0461] The memory 1604 is connected to the processor 1601 via a bus 1605. The memory 1604 may be used to store at least one instruction, and the processor 1601 may be used to execute the at least one instruction to implement each step in the above method embodiment.

[0462] In addition, the memory 1604 can be implemented by any type of volatile or non-volatile storage device or a combination thereof. Volatile or non-volatile storage devices include but are not limited to: magnetic disks or optical disks, electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), static random-access memory (SRAM), read-only memory (ROM), magnetic memory, flash memory, and programmable read-only memory (PROM).

[0463] In an exemplary embodiment, a computer-readable storage medium is further provided, in which executable instructions are stored. The executable instructions are loaded and executed by a processor to implement the wireless communication method for positioning provided by each of the above method embodiments.

[0464] In an exemplary embodiment, a chip is also provided, which includes a programmable logic circuit and / or program instructions. When a communication device equipped with the chip is running, it is used to implement the wireless communication method for positioning provided by the above-mentioned various method embodiments.

[0465] In an exemplary embodiment, a computer program product or computer program is also provided, in which executable instructions are stored. The executable instructions are stored in a computer-readable storage medium. A processor of a computer device reads the executable instructions from the computer-readable storage medium, and the processor loads and executes the executable instructions to implement the above-mentioned wireless communication method for positioning.

[0466] Those skilled in the art will appreciate that in one or more of the above examples, the functions described in the embodiments of the present application can be implemented using hardware, software, firmware, or any combination thereof. When implemented using software, these functions can be stored in a computer-readable medium or transmitted as one or more instructions or codes on a computer-readable medium. Computer-readable media include computer storage media and communication media, wherein communication media include any media that facilitates the transmission of computer programs from one place to another. The storage medium can be any available medium that can be accessed by a general-purpose or special-purpose computer.

[0467] The above description is merely an optional embodiment of the present application and is not intended to limit the present application. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present application shall be included in the scope of protection of the present application.

Claims

1. A wireless communication method for positioning, characterized in that: The method is executed by a terminal device, and includes: The uplink positioning signal is sent on the uplink positioning signal resource based on the timing advance TA value.

2. The method according to claim 1, characterized in that The sending of the uplink positioning signal on the uplink positioning signal resource based on the TA value includes: An uplink positioning signal is sent on at least one uplink positioning signal resource among M uplink positioning signal resources based on the first TA value, where M is an integer greater than or equal to 1.

3. The method according to claim 2, characterized in that The first TA value does not include a service link TA value, or the first TA value is not determined based on the service link TA value.

4. The method according to claim 2 or 3, characterized in that The first TA value includes a feeder link TA value, or the first TA value is determined based on the feeder link TA value.

5. The method according to any one of claims 2 to 4, characterized in that: The first TA value includes a public service link TA value, or the first TA value is determined based on the public service link TA value, wherein the public service link TA value includes at least one of the following situations: The public service link TA value is configured; The public service link TA value is predefined; The public service link TA value is the service link TA value of the terminal device at the first moment; The public service link TA value is the service link TA value corresponding to the first reference position; The public service link TA value is a service link TA value corresponding to the first reference position and the first time.

6. The method according to claim 5, characterized in that The first reference position is a predefined position, or the first reference position is a configured position.

7. The method according to any one of claims 2 to 6, characterized in that: The first TA value corresponds to a first moment; wherein the first moment includes at least one of the following situations: The first moment is configuration; The first time corresponds to a first uplink positioning signal resource among the M uplink positioning signal resources; The first time corresponds to a sending time of a first uplink positioning signal resource among the M uplink positioning signal resources.

8. The method according to claim 7, characterized in that The first uplink positioning signal resource among the M uplink positioning signal resources is predefined, or the first uplink positioning signal resource among the M uplink positioning signal resources is configured.

9. The method according to claim 7 or 8, characterized in that The sending of the uplink positioning signal on at least one uplink positioning signal resource among the M uplink positioning signal resources based on the first TA value includes: Sending a first uplink positioning signal on a first uplink positioning signal resource among the M uplink positioning signal resources based on the first TA value; The first moment corresponds to the first uplink positioning signal resource.

10. The method according to any one of claims 2 to 8, characterized in that: The sending of the uplink positioning signal on at least one uplink positioning signal resource among the M uplink positioning signal resources based on the first TA value includes: M uplink positioning signals are sent on the M uplink positioning signal resources based on the first TA value.

11. The method according to any one of claims 2 to 10, characterized in that: The method further comprises: When an uplink positioning signal is sent on an uplink positioning signal resource k among the M uplink positioning signal resources, the first TA value includes a feeder link TA value corresponding to time k; The time k corresponds to the sending time of the uplink positioning signal resource k.

12. The method according to any one of claims 2 to 11, characterized in that: The method further comprises: The M uplink positioning signal resources are determined according to the first configuration information.

13. The method according to any one of claims 2 to 12, characterized in that: The M uplink positioning signal resources are uplink positioning signal resources in a first uplink positioning signal resource group, and the first uplink positioning signal resource group is an uplink positioning signal resource group among the configured N uplink positioning signal resource groups, where N is an integer greater than or equal to 1.

14. The method according to claim 13, characterized in that The uplink positioning signal resources in the first uplink positioning signal resource group meet at least one of the following conditions: A transmission timing error of an uplink positioning signal corresponding to an uplink positioning signal resource in the first uplink positioning signal resource group is within a first error range; A reception timing error of an uplink positioning signal corresponding to an uplink positioning signal resource in the first uplink positioning signal resource group is within a second error range; Alternatively, the uplink positioning signal resources in each uplink positioning signal resource group in the N uplink positioning signal resource groups meet at least one of the following conditions: A transmission timing error of an uplink positioning signal corresponding to an uplink positioning signal resource in each of the N uplink positioning signal resource groups is within a third error range; A reception timing error of an uplink positioning signal corresponding to an uplink positioning signal resource in each uplink positioning signal resource group in the N uplink positioning signal resource groups is within a fourth error range.

15. The method according to claim 13 or 14, characterized in that The method further comprises: The N uplink positioning signal resource groups also include a second uplink positioning signal resource group, and the transmission timing of the uplink positioning signal corresponding to the uplink positioning signal resources in the second uplink positioning signal resource group is determined based on the second TA value; The second TA value is different from the first TA value; or the second TA value is the same as the first TA value.

16. The method according to any one of claims 13 to 15, characterized in that: The number of uplink positioning signal resources corresponding to each of the N uplink positioning signal resource groups is uniformly configured; or, the number of uplink positioning signal resources included in each of the N uplink positioning signal resource groups is the same.

17. The method according to any one of claims 13 to 15, characterized in that: The number of uplink positioning signal resources corresponding to each of the N uplink positioning signal resource groups is independently configured; or the number of uplink positioning signal resources included in each of the N uplink positioning signal resource groups is different.

18. The method according to any one of claims 13 to 17, characterized in that: The uplink positioning signal transmission spatial filter information corresponding to each uplink positioning signal resource group in the N uplink positioning signal resource groups is independently configured.

19. The method according to any one of claims 13 to 18, characterized in that The downlink path loss calculation parameter corresponding to each uplink positioning signal resource group in the N uplink positioning signal resource groups is independently configured.

20. The method according to any one of claims 1 to 19, characterized in that The uplink positioning signal resources include positioning sounding reference signal SRS resources and / or multiple-input multiple-output MIMO SRS resources.

21. The method according to claim 1, wherein The sending of the uplink positioning signal on the uplink positioning signal resource based on the TA value includes: An uplink positioning signal is sent on at least one uplink positioning signal resource among M uplink positioning signal resources based on the third TA value, where M is an integer greater than or equal to 1.

22. The method according to claim 21, characterized in that When an uplink positioning signal is sent on an uplink positioning signal resource k among the M uplink positioning signal resources, the third TA value includes a feeder link TA value corresponding to time k and / or a service link TA value corresponding to time k; The time k corresponds to the sending time of the uplink positioning signal resource k.

23. The method according to claim 21 or 22, characterized in that The method further comprises: Report at least one of the following: Time k1, time k2, the third TA value corresponding to time k1, the third TA value corresponding to time k2, the difference between the third TA value corresponding to time k1 and the third TA value corresponding to time k2, and the difference between the third TA value corresponding to time k1 and the third TA value corresponding to a reference time; The time k1 corresponds to the sending time of the uplink positioning signal resource k1 among the M uplink positioning signal resources, and the time k2 corresponds to the sending time of the uplink positioning signal resource k2 among the M uplink positioning signal resources. The uplink positioning signal resource k1 and the uplink positioning signal resource k2 are uplink positioning signal resources corresponding to different sending time units. The reference time is predefined, or the reference time is configured.

24. The method according to any one of claims 1 to 23, characterized in that The determination of the TA value is related to at least one of the following parameters: TA value N indicated by the network device TA , N TA Offset value N TA,offset , feeder link TA value Sampling time interval unit T c .

25. A wireless communication method for positioning, characterized in that: The method is performed by a network device, and includes: The first measurement information is determined and / or reported based on the uplink positioning signal received on the uplink positioning signal resource.

26. The method according to claim 25, characterized in that The first measurement information includes at least one of the following: a starting position of an uplink time unit k, a coordinated universal time (UTC) corresponding to the starting position of the uplink time unit k, and an uplink relative time of arrival (UL RTOA) corresponding to the uplink time unit k; The uplink time unit k is a time unit corresponding to the uplink positioning signal resource k among the M uplink positioning signal resources.

27. The method according to claim 26, characterized in that The uplink positioning signal resource k is the first uplink positioning signal resource among the M uplink positioning signal resources; or, the uplink positioning signal resource k is the last uplink positioning signal resource among the M uplink positioning signal resources; or, the uplink positioning signal resource k is the uplink positioning signal resource among the M uplink positioning signal resources used to determine the first measurement information.

28. The method according to claim 25, characterized in that The first measurement information includes at least one of the following: a starting position of the uplink time unit k1, a coordinated universal time (UTC) corresponding to the starting position of the uplink time unit k1, a starting position of the uplink time unit k2, a UTC time corresponding to the starting position of the uplink time unit k2, and a difference between the starting positions of the uplink time unit k1 and the starting positions of the uplink time unit k2; Among them, the uplink time unit k1 is the time unit corresponding to the uplink positioning signal resource k1 among the M uplink positioning signal resources, the uplink time unit k2 is the time unit corresponding to the uplink positioning signal resource k2 among the M uplink positioning signal resources, and the uplink positioning signal resource k1 and the uplink positioning signal resource k2 are uplink positioning signal resources corresponding to different sending time units.

29. The method according to any one of claims 26 to 28, characterized in that The uplink time unit is determined according to one of the following timings: the uplink timing of the service satellite side, the uplink timing of the reference point, and the uplink timing of the network device side.

30. The method according to any one of claims 25 to 29, characterized in that The method further comprises: Sending first configuration information, where the first configuration information is used to determine the M uplink positioning signal resources; And / or, sending second configuration information, where the second configuration information is used to determine N uplink positioning signal resource groups, where a first uplink positioning signal resource group among the N uplink positioning signal resource groups includes M uplink positioning signal resources.

31. The method according to any one of claims 25 to 30, characterized in that The method further comprises: Send third configuration information, where the third configuration information is used to determine at least one of the following: TA value of public service link; a first reference position; First moment; The first uplink positioning signal resource among the M uplink positioning signal resources.

32. The method according to any one of claims 25 to 31, characterized in that The M uplink positioning signal resources are uplink positioning signal resources in a first uplink positioning signal resource group, and the first uplink positioning signal resource group is an uplink positioning signal resource group among the configured N uplink positioning signal resource groups, where N is an integer greater than or equal to 1.

33. The method according to claim 32, characterized in that The uplink positioning signal resources in the first uplink positioning signal resource group meet at least one of the following conditions: A transmission timing error of an uplink positioning signal corresponding to an uplink positioning signal resource in the first uplink positioning signal resource group is within a first error range; A reception timing error of an uplink positioning signal corresponding to an uplink positioning signal resource in the first uplink positioning signal resource group is within a second error range; Alternatively, the uplink positioning signal resources in each uplink positioning signal resource group in the N uplink positioning signal resource groups meet at least one of the following conditions: A transmission timing error of an uplink positioning signal corresponding to an uplink positioning signal resource in each of the N uplink positioning signal resource groups is within a third error range; A reception timing error of an uplink positioning signal corresponding to an uplink positioning signal resource in each uplink positioning signal resource group in the N uplink positioning signal resource groups is within a fourth error range.

34. The method according to claim 32 or 33, characterized in that The number of uplink positioning signal resources corresponding to each uplink positioning signal resource group in the N uplink positioning signal resource groups is uniformly configured; or the number of uplink positioning signal resources corresponding to each uplink positioning signal resource group in the N uplink positioning signal resource groups is independently configured.

35. The method according to any one of claims 32 to 34, characterized in that The uplink positioning signal transmission spatial filter information corresponding to each uplink positioning signal resource group in the N uplink positioning signal resource groups is independently configured.

36. The method according to any one of claims 32 to 35, characterized in that The downlink path loss calculation parameter corresponding to each uplink positioning signal resource group in the N uplink positioning signal resource groups is independently configured.

37. The method according to any one of claims 25 to 36, characterized in that The uplink positioning signal resources include positioning sounding reference signal SRS resources and / or multiple-input multiple-output MIMO SRS resources.

38. A positioning system, characterized in that: The positioning system is applied to an NTN system including a service satellite, and the positioning system includes: the service satellite, a terminal device and a network device, and the positioning system locates the terminal device based on M virtual transmission and reception points TRPs implemented by the service satellite; wherein, The M virtual TRPs have a one-to-one correspondence with the service satellite positions at M moments; and / or, The M virtual TRPs have a one-to-one correspondence with the M uplink positioning signal resources; and / or, The service satellite positions at the M moments have a one-to-one correspondence with the M uplink positioning signal resources; wherein M is an integer greater than or equal to 1, and when M is an integer greater than 1, the M moments are different moments.

39. The system according to claim 38, wherein: The sending timing errors of the uplink positioning signals corresponding to the M uplink positioning signal resources are within a first error range, and / or the receiving timing errors of the uplink positioning signals corresponding to the M uplink positioning signal resources are within a second error range; or The sending timing errors of the uplink positioning signals corresponding to the M virtual TRPs are within a first error range, and / or the receiving timing errors of the uplink positioning signals corresponding to the M virtual TRPs are within a second error range; or The sending timing errors of the uplink positioning signals corresponding to the service satellite positions at the M moments are within a first error range, and / or the receiving timing errors of the uplink positioning signals corresponding to the service satellite positions at the M moments are within a second error range.

40. The system according to claim 38 or 39, characterized in that The M uplink positioning signal resources are uplink positioning signal resources in a first uplink positioning signal resource group, and the first uplink positioning signal resource group is one of the configured N uplink positioning signal resource groups; or, The M virtual TRPs are virtual TRPs in a first virtual TRP group, which is one of the configured N virtual TRP groups; or The serving satellite positions at the M moments are serving satellite positions in a first serving satellite position group, and the first serving satellite position group is a serving satellite position group among the configured N serving satellite position groups; Wherein, N is an integer greater than or equal to 1.

41. A wireless communication device for positioning, characterized in that: The device comprises: The first sending module is configured to send an uplink positioning signal on an uplink positioning signal resource based on a TA value.

42. A wireless communication device for positioning, characterized in that: The device includes at least some of the following modules: a second determining module, configured to determine first measurement information based on an uplink positioning signal received on an uplink positioning signal resource; The second sending module is configured to report the first measurement information based on the uplink positioning signal received on the uplink positioning signal resource.

43. A terminal device, characterized in that: The terminal includes: processor; a transceiver connected to the processor; a memory for storing executable instructions for the processor; The processor is configured to load and execute the executable instructions to implement the wireless communication method for positioning according to any one of claims 1 to 24.

44. A network device, characterized in that The network equipment includes: processor; a transceiver connected to the processor; a memory for storing executable instructions for the processor; The processor is configured to load and execute the executable instructions to implement the wireless communication method for positioning as described in any one of claims 25 to 37.

45. A computer-readable storage medium, characterized in that The readable storage medium stores executable instructions, which are loaded and executed by a processor of a computer device to implement the wireless communication method for positioning as described in any one of claims 1 to 37.

46. ​​A chip, characterized in that The chip includes a programmable logic circuit and / or a program, which, when a communication device in which the chip is installed is operated, is used to implement the wireless communication method for positioning as described in any one of claims 1 to 37.

47. A computer program product or a computer program, characterized in that The computer program product or computer program includes executable instructions, which are stored in a computer-readable storage medium. The processor of the computer device reads the executable instructions from the computer-readable storage medium, and the processor executes the executable instructions, so that the computer device executes the wireless communication method for positioning as described in any one of claims 1 to 37.

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