Transmission method, apparatus and device of reference signal and readable storage medium

Abstract

The present disclosure provides a transmission method, device and equipment of a reference signal, and a readable storage medium, relating to the field of communication. The method comprises: determining a positioning request; the positioning request is used to indicate that a network device sends resource configuration parameters and / or a positioning reference signal of the positioning reference signal to the terminal device; or, the positioning request is used to indicate that the terminal device sends a positioning measurement result to the network device. By indicating the transmission of the positioning reference signal through the positioning request, that is, after determining the positioning request, transmitting the positioning reference signal according to the resource configuration parameters determined by the positioning request, the problem of large positioning time delay and low positioning accuracy caused by the large transmission period of the positioning reference signal is avoided, and the problem of redundant transmission of the positioning reference signal is also avoided.

Description

TECHNICAL FIELD

[0001] The present disclosure relates to the field of communication, and in particular, to a transmission method and apparatus of a reference signal, a device and a readable storage medium. BACKGROUND

[0002] In a new radio (NR) Rel-16 system, a positioning reference signal (PRS) is newly defined, mainly to support periodic transmission of PRS and repeated transmission of PRS resources in a period.

[0003] In the related art, PRS can only be transmitted once in a slot, and the number of symbols occupied by PRS can be 2, 4, 6, or 12 consecutive symbols in a slot.

[0004] However, periodic transmission of PRS can easily lead to signaling waste or large positioning delay and poor accuracy. SUMMARY

[0005] Embodiments of the present disclosure provide a transmission method and apparatus of a reference signal, a device and a readable storage medium, which can improve the transmission efficiency of a positioning reference signal. The technical solutions are as follows:

[0006] According to an aspect of the present disclosure, a transmission method of a reference signal is provided, applied to a terminal device, and the method comprises:

[0007] determining a positioning request;

[0008] The positioning request is used to instruct a network device to send resource configuration parameters and / or a positioning reference signal of the positioning reference signal to the terminal device; or, the positioning request is used to instruct the terminal device to send a positioning measurement result to the network device.

[0009] On the other hand, a transmission method of a reference signal is provided, applied to a network device, and the method comprises:

[0010] determining a positioning request;

[0011] The positioning request is used to instruct a network device to send resource configuration parameters and / or a positioning reference signal of the positioning reference signal to the terminal device; or, the positioning request is used to instruct the terminal device to send a positioning measurement result to the network device.

[0012] On the other hand, a transmission apparatus of a reference signal is provided, applied to a terminal device, and the apparatus comprises:

[0013] a processing module configured to determine a positioning request;

[0014] The positioning request is used to instruct the network device to send resource configuration parameters of a positioning reference signal and / or the positioning reference signal to the terminal device, or the positioning request is used to instruct the terminal device to send a positioning measurement result to the network device.

[0015] In another aspect, a transmission apparatus of a reference signal is provided, applied to a network device, and the apparatus comprises:

[0016] a processing module configured to determine a positioning request;

[0017] The positioning request is used to instruct the network device to send resource configuration parameters of a positioning reference signal and / or the positioning reference signal to the terminal device, or the positioning request is used to instruct the terminal device to send a positioning measurement result to the network device.

[0018] In another aspect, a terminal device is provided, and the terminal device comprises:

[0019] a processor;

[0020] a transceiver connected to the processor;

[0021] a memory for storing executable signaling of the processor;

[0022] The processor is configured to load and execute executable instructions to implement the transmission method of the reference signal according to the embodiments of the present disclosure.

[0023] In another aspect, a network device is provided, and the network device comprises:

[0024] a processor;

[0025] a transceiver connected to the processor;

[0026] a memory for storing executable signaling of the processor;

[0027] The processor is configured to load and execute executable instructions to implement the transmission method of the reference signal according to the embodiments of the present disclosure.

[0028] In another aspect, a computer readable storage medium is provided, and the computer readable storage medium stores at least one instruction, at least one program, a code set or an instruction set, which are loaded and executed by a processor to implement the transmission method of the reference signal according to the embodiments of the present disclosure.

[0029] The technical solutions provided by the embodiments of the present disclosure have at least the following beneficial effects:

[0030] The transmission of the positioning reference signal is indicated by the positioning request, that is, after the positioning request is determined, the transmission of the positioning reference signal is determined according to the resource configuration parameter of the positioning request, so as to avoid the problem of large signaling caused by the redundant transmission of the positioning reference signal, and the problem of large positioning time delay and low positioning accuracy caused by the long transmission period of the positioning reference signal. In addition, the transmission of the positioning measurement result is indicated by the positioning request, that is, after the positioning request is determined, the transmission of the positioning measurement result is determined, so as to provide a non-periodic transmission method of the positioning measurement result. BRIEF DESCRIPTION OF DRAWINGS

[0031] In order to more clearly illustrate the technical solutions in the embodiments of the present disclosure, the drawings needed in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present disclosure, and other drawings can also be obtained by those skilled in the art without creative labor.

[0032] Figure 1 is a block diagram of a communication system provided by an exemplary embodiment of the present disclosure;

[0033] Figure 2 is a flowchart of a transmission method of a reference signal provided by an exemplary embodiment of the present disclosure;

[0034] Figure 3 is a flowchart of a transmission method of a reference signal provided by another exemplary embodiment of the present disclosure;

[0035] Figure 4 is a flowchart of a transmission method of a reference signal provided by another exemplary embodiment of the present disclosure;

[0036] Figure 5 is a structural block diagram of a transmission device of a reference signal provided by an exemplary embodiment of the present disclosure;

[0037] Figure 6 is a structural block diagram of a transmission device of a reference signal provided by another exemplary embodiment of the present disclosure;

[0038] Figure 7 is a structural block diagram of a communication device provided by an exemplary embodiment of the present disclosure. DETAILED DESCRIPTION

[0039] In order to make the purpose, technical solutions and advantages of the present disclosure clearer, the embodiments of the present disclosure will be further described in detail below with reference to the drawings.

[0040] Figure 1 is a block diagram of a communication system provided by an exemplary embodiment of the present disclosure, which can include a core network 11, an access network 12 and a terminal 13.

[0041] The core network 11 includes a plurality of core network devices 110. The core network devices 110 include an Access and Mobility Management Function (AMF), a Session Management Function (SMF), a User Plane Function (UPF), and the like. Optionally, the core network 11 also includes a Location Management Function (LMF). The AMF is configured to control access rights and handover of a terminal, and the like. The SMF is configured to provide server continuity and uninterrupted user experience of a server, such as IP address and anchor point change, and the like. The LMF is configured to support positioning calculation and to obtain downlink positioning measurement results or positioning estimates from a terminal.

[0042] The access network 12 includes a plurality of access network devices 120. The access network devices 120 can be base stations, which are devices deployed in an access network to provide wireless communication functions for terminals. The base stations can include various forms of macro base stations, micro base stations, relay stations, access points, and the like. In systems using different wireless access technologies, the names of devices with base station functions can be different. For example, in a Long Term Evolution (LTE) system, the device is referred to as an eNodeB or eNB; in a 5G New Radio (NR) system, the device is referred to as a gNode B or gNB. As communication technologies evolve, the name of the “base station” may change. For ease of description in the embodiments of the present disclosure, the devices described above that provide wireless communication functions for terminals are collectively referred to as access network devices.

[0043] The terminal 13 can include various handheld devices, vehicle-mounted devices, wearable devices, computing devices, Internet of Things (IoT) devices, Industrial Internet of Things (IIoT) devices, or other processing devices connected to a wireless modem, and various forms of user equipment (UE), mobile stations (MS), terminals (terminal devices), and the like. For ease of description, the devices mentioned above are collectively referred to as terminal devices. The access network devices 120 and the terminal devices 13 communicate with each other through certain air interface technologies, such as a Uu interface.

[0044] The technical solutions of the embodiments of the present disclosure can be applied to various communication systems, for example: a Global System of Mobile Communication (GSM) system, a Code Division Multiple Access (CDMA) system, a Wideband Code Division Multiple Access (WCDMA) system, a General Packet Radio Service (GPRS), a Long Term Evolution (LTE) system, an LTE Frequency Division Duplex (FDD) system, an LTE Time Division Duplex (TDD) system, an Advanced long Term Evolution (LTE-A) system, a New Radio (NR) system, an evolved system of the NR system, an LTE-based access to Unlicensed spectrum (LTE-U) system, an NR-U system, a Universal Mobile Telecommunication System (UMTS), a Worldwide Interoperability for Microwave Access (WiMAX) communication system, a Wireless Local Area Networks (WLAN), a Wireless Fidelity (WiFi), a next-generation communication system, or other communication systems.

[0045] Generally, a conventional communication system supports a limited number of connections, and is easy to implement. However, with the development of communication technology, a mobile communication system will not only support conventional communication, but also support, for example, Device to Device (D2D) communication, Machine to Machine (M2M) communication, Machine Type Communication (MTC), Vehicle to Vehicle (V2V) communication, and a Vehicle to Everything (V2X) system. The embodiments of the present disclosure can also be applied to these communication systems.

[0046] A downlink positioning reference signal (PRS) is newly defined in the NR Rel-16 system, and the PRS is periodically transmitted, and the PRS resource can be repeatedly transmitted in one period, and the number of repetitions in the period and the time interval between each two transmissions are further configured, and the time interval is N slots, where N is a natural number. Currently, the PRS can be transmitted only once in a slot, and the number of symbols occupied by the PRS can be 2, 4, 6, or 12 consecutive symbols in a slot. The starting symbol position can be any one of the first to thirteenth symbols in a slot.

[0047] However, when periodically transmitted, there is a problem of signaling waste due to unnecessary but still transmitted signals, or a problem of too large transmission period, resulting in large positioning delay and low positioning accuracy.

[0048] The embodiments of the present disclosure provide a transmission method of a positioning reference signal based on on-demand, so that the positioning reference signal is transmitted according to actual positioning demand, improving resource use efficiency, reducing positioning delay, and improving positioning accuracy. A transmission method of a positioning measurement result based on on-demand is also provided.

[0049] Figure 2 A flowchart of a transmission method of a reference signal provided by one exemplary embodiment of the present disclosure is provided, which is applied to a terminal device for example, as shown in FIG. 1, the method comprises the following steps. Figure 2

[0050] Step 201, determining a positioning request.

[0051] In some embodiments, the terminal determining the positioning request includes two cases: 1, after the terminal determines the positioning request, the terminal sends the positioning request to the network device; 2, the network device sends the positioning request to the terminal.

[0052] Optionally, the positioning request is used to indicate resource configuration parameters of the positioning reference signal transmitted by the network device to the terminal device and / or the positioning reference signal; or, the positioning request is used to indicate the terminal device to send the positioning measurement result to the network device.

[0053] Step 202, transmitting the positioning signal according to the positioning request or the resource configuration parameters of the positioning reference signal.

[0054] Optionally, the above-mentioned positioning reference signal includes an uplink signal for positioning, such as a sounding reference signal (SRS) or other uplink signals such as a random access preamble; or, a downlink positioning reference signal (PRS). That is, the positioning reference signal includes an uplink signal transmitted by the terminal device to the network device; or, a downlink positioning reference signal transmitted by the network device to the terminal device.​

[0055] The network device is an access network device or a location management function network element (LMF).

[0056] Optionally, in the case where the positioning request is used to instruct the network device to send the resource configuration parameter and / or the positioning reference signal to the terminal device, the following cases are mainly divided:

[0057] The first, the positioning request is determined by the terminal device and sent to the access network device, that is, the UE sends the positioning request to the gNB;

[0058] In some embodiments, when the terminal device sends the positioning request to the access network device, the following information is included:

[0059] 1.1 sends the positioning request to the access network device through a physical random access channel (PRACH);

[0060] Optionally, a dedicated random access resource is used to indicate the positioning request, which includes at least one of time-frequency resources or random access preamble resources.

[0061] In some embodiments, when the terminal device sends the positioning request to the access network device, the resource configuration parameter of the positioning reference signal is recommended to the access network device; or the terminal device does not recommend the resource configuration parameter of the positioning reference signal to the access network device, and the resource configuration parameter is directly indicated by the access network device.

[0062] Illustratively, when the terminal device does not recommend the resource configuration parameter to the access network device, the terminal only sends the positioning request through the physical random access channel, and the access network device indicates the resource configuration parameter through the message Msg2 in the four-step random access channel (4-step RACH), while the access network device sends the downlink positioning reference signal to the terminal device. The terminal device measures the downlink positioning reference signal sent by the base station according to the resource configuration parameter, and then feeds back the measurement result to the access network device through the message Msg3 in the four-step random access channel (4-step RACH).

[0063] Illustratively, when the terminal device recommends the resource configuration parameter to the access network device, the terminal device can also send the positioning request supplementary information to the access network device, and the positioning request supplementary information includes the first indication information of the positioning reference signal. The first indication information is the information of the resource configuration recommendation parameter of the positioning reference signal recommended by the terminal device to the access network device. Optionally, the positioning request supplementary information is sent through the message Msg3 in the four-step random access channel (4-step RACH); or the positioning request supplementary information is sent through the PUSCH channel resource in the message Msg A in the two-step random access channel (2-step RACH).

[0064] Optionally, the terminal device receives the resource configuration parameter indicated by the access network device, and measures the positioning reference signal according to the resource configuration parameter. Optionally, the terminal device receives the second indication information of the positioning reference signal sent by the access network device through the message Msg2 in the 4-step random access channel (4-step RACH), and the second indication information is used to indicate the resource configuration parameter of the positioning reference signal sent by the access network device. That is, the second indication information is used to indicate the resource configuration parameter of the downlink positioning reference signal sent by the access network device. Or the second indication information is used to indicate the resource configuration parameter of the uplink signal for positioning sent by the terminal.

[0065] Optionally, the terminal measures the downlink positioning reference signal sent by the access network device according to the resource configuration parameter, and feeds back the measurement result to the access network device, wherein the terminal device sends the measurement result to the access network device through the message Msg3 in the 4-step random access channel (4-step RACH).

[0066] 1.2 Send the positioning request to the access network device through the scheduling request (Scheduling Request, SR).

[0067] In some embodiments, the terminal device sends the positioning request on the physical uplink control channel (Physical Uplink Control Channel, PUCCH) through the SR.

[0068] Optionally, after the access network device receives the SR, the terminal device is allocated the physical uplink shared channel (Physical Uplink Shared Channel, PUSCH) resource, and the terminal sends the information of the resource configuration recommendation parameter of the positioning reference signal on the PUSCH, the specific details of which are similar to those in 1.1, which will not be repeated here.

[0069] Second, the positioning request is sent to the terminal device after the access network device determines it, that is, the gNB sends the positioning request to the UE;

[0070] In some embodiments, the access network device sends the positioning request to the terminal device by sending a paging message to the terminal device, the terminal device receives the paging message sent by the access network device, and the positioning request is included in the paging message. Optionally, the terminal device also receives first downlink signaling sent by the access network device, and the first downlink signaling is used to indicate third indication information of the positioning reference signal, and the resource configuration parameter is included in the third indication information, wherein the first downlink signaling includes at least one of radio resource control (RRC) signaling, medium access control (MAC) signaling, and downlink control signaling (DCI).

[0071] In some embodiments, the access network device can also directly send the positioning request to the terminal device by sending downlink signaling, that is, the terminal device receives second downlink signaling sent by the access network device, and the second downlink signaling is used to indicate the positioning request through fourth indication information, wherein the second downlink signaling includes at least one of radio resource control (RRC) signaling, medium access control (MAC) signaling, and downlink control signaling (DCI), and the resource configuration parameter of the positioning reference signal is included in the fourth indication information.

[0072] Thirdly, the positioning request is determined by the terminal device and sent to the location management function network element (LMF), that is, the UE sends the positioning request to the LMF.

[0073] Optionally, the terminal sends the resource configuration recommendation parameter of the positioning reference signal to the LMF at the same time of sending the positioning request to the LMF; or the terminal receives the resource configuration parameter directly sent by the LMF; or the terminal receives the resource configuration parameter sent by the LMF through the access network device.

[0074] Fourthly, the positioning request is determined by the LMF and sent to the terminal device, that is, the LMF sends the positioning request to the UE.

[0075] Optionally, the LMF directly sends the resource configuration parameter to the terminal device at the same time of sending the positioning request to the terminal; or the LMF sends the resource configuration parameter to the terminal device through the access network device.

[0076] In some embodiments, the resource configuration parameter includes at least one of a resource mapping identifier and a beam identifier.

[0077] The resource mapping identifier is used to indicate a time-frequency resource position, and the beam identifier is used to indicate a beam for transmitting the positioning reference signal.

[0078] Optionally, the terminal device receives resource indication information sent by the network device. The resource indication information includes at least one of the following: a mapping relationship between a resource mapping identifier and time-frequency resource parameters, and a mapping relationship between a beam identifier and a reference signal identifier indicating the beam direction. The resource indication information is information from the network device indicating to the terminal device the resource location and / or beam direction for transmitting positioning reference signals. The network device can be implemented as an LMF (Local Multi-Functional Network) or an access network device.

[0079] That is, in some embodiments, the first correspondence between the resource mapping identifier and the time-frequency resource location parameter is pre-configured; and / or, the second correspondence between the beam identifier and the reference signal identifier indicating the beam direction is pre-configured.

[0080] In some embodiments, the aforementioned time-frequency resource location parameters include at least one of frequency domain parameters, time domain parameters, and spatial domain parameters.

[0081] That is, the resource mapping method includes at least one of the following parameters:

[0082] 1. Pattern ID, i.e., resource mapping identifier, is used to map and obtain time-frequency resource location parameters;

[0083] 2. Frequency domain parameter 1, which includes: bandwidth information, bandwidth resource (BWP) information, sub-carrier space (SCS) information, starting resource block (RB) information, etc.

[0084] 3. Frequency domain parameter 2, which includes: Comb size, Resource Element (RE) offset in each RB, and other information;

[0085] 4. Time-domain resource 1, which includes information such as the number of symbols used and the starting position of the symbols;

[0086] 5. Time domain resource 2, which includes information such as the number of transmissions and the time interval between two transmissions;

[0087] 6. Spatial parameters, including the number of ports and beam information.

[0088] The correspondence between beam identifiers and reference signal identifiers includes at least one of the following parameters:

[0089] 1. Beam ID, i.e., beam identifier;

[0090] 2. Transmission Reception Point (TRP) ID;

[0091] 3. Reference signal ID.

[0092] Optionally, the above-mentioned parameters can be sent to the terminal device by the LMF through protocol signaling, or sent to the terminal device by the access network device through RRC signaling, or sent to the terminal device by the access network device through RRC signaling and MAC signaling.

[0093] It is worth noting that in the above content, the positioning request is used as an example to indicate that the network device sends the resource configuration parameters of the positioning reference signal and / or the positioning reference signal to the terminal device. In some embodiments, the positioning request is used to indicate that the terminal sends the measurement result to the network device.

[0094] Step 203: Send the positioning measurement result to the network device according to the positioning request.

[0095] That is, the terminal has measured the downlink positioning reference signal and obtained the measurement result, and sends the positioning request to request to send the measurement result to the network device.

[0096] In response to the positioning request indicating that the terminal sends the positioning measurement result to the network device, the positioning measurement result is sent to the network device according to the positioning request.

[0097] Optionally, when the positioning request is used to indicate to send the positioning measurement result, the positioning request is sent through the random access channel, so that the measurement result is sent through the PUSCH in the message Msg3 in the four-step random access channel 4-step RACH or the message Msg A in the two-step random access channel 2-step RACH.

[0098] In some embodiments, the positioning request can also be sent through the SR, and the measurement result is sent through the PUSCH scheduled by the DCI signaling sent by the access network device to the terminal device after receiving the SR.

[0099] Optionally, the positioning request is a request sent by the network device to the terminal device. Illustratively, the access network device sends a paging message to the terminal device, and the paging message includes the positioning request. Since the positioning request is used to indicate that the terminal device sends the positioning measurement result to the network device, the terminal device sends the positioning measurement result to the access network device through the PUSCH resource in the message Msg3 in the four-step random access channel 4-step RACH or in the message Msg A in the two-step random access channel 2-step RACH.

[0100] In summary, the method for transmitting a reference signal provided in the embodiment avoids the problems of excessive transmission of the positioning reference signal, which leads to signaling and large positioning time delay and low accuracy, by indicating the transmission of the positioning reference signal through the positioning request, i.e., after determining the positioning request, the positioning reference signal is transmitted according to the resource configuration parameters determined based on the positioning request. Meanwhile, the method for sending a positioning measurement result provided in the embodiment avoids the waste of signaling or time delay caused by the periodic sending of the positioning measurement result by indicating the sending of the positioning measurement result through the positioning request.

[0101] Figure 3 The method for transmitting a reference signal provided in another exemplary embodiment of the disclosure is described by taking the case of applying the method to a network device as an example, as shown in Figure 3 The method includes the following steps.

[0102] In step 301, a positioning request is determined.

[0103] In some embodiments, the network device determining the positioning request includes two cases: 1, the terminal determines the positioning request and sends the positioning request to the network device; 2, the network device determines the positioning request and sends the positioning request to the terminal.

[0104] The positioning request is used to indicate the resource configuration parameters of the positioning reference signal and / or the positioning reference signal sent by the network device to the terminal device, or the positioning request is used to indicate the positioning measurement result sent by the terminal device to the network device.

[0105] In step 302, the positioning reference signal is transmitted according to the positioning request or the resource configuration parameters of the positioning reference signal.

[0106] Optionally, the positioning reference signal described above includes an uplink signal for positioning, such as a sounding reference signal (SRS) or other uplink signals such as a random access preamble, or a downlink positioning reference signal PRS. That is, the positioning reference signal includes an uplink signal sent by the terminal device to the network device, or a downlink positioning reference signal sent by the network device to the terminal device.

[0107] Optionally, in the case where the positioning request is used to indicate the network device to send the resource configuration parameters and / or the positioning reference signal to the terminal device, it is mainly divided into the following cases.

[0108] First, the positioning request is determined by the terminal device and sent to the access network device, i.e., the UE sends the positioning request to the gNB.

[0109] In some embodiments, when the terminal device sends the positioning request to the access network device, it includes:

[0110] 1.1 receiving a positioning request sent by a terminal device through a physical random access channel (PRACH);

[0111] Optionally, the positioning request is indicated using a dedicated random access resource, including at least one of time-frequency resource or random access preamble resource.

[0112] In some embodiments, when the terminal device sends the positioning request to the access network device, the terminal device recommends resource configuration parameters of the positioning reference signal to the access network device; or the terminal device does not recommend the resource configuration parameters of the positioning reference signal to the access network device, and the resource configuration parameters are directly indicated by the access network device.

[0113] Illustratively, when the terminal device does not recommend the resource configuration parameters to the access network device, the terminal device only sends the positioning request through the physical random access channel, and the access network device indicates the resource configuration parameters through a message Msg2 in a 4-step random access channel (4-step RACH), while the access network device sends a downlink positioning reference signal to the terminal device, the terminal device measures the downlink positioning reference signal sent by the base station according to the resource configuration parameters, and feeds back the measurement result to the access network device through a message Msg3 in the 4-step RACH, and the access network device receives the measurement result sent by the terminal device.

[0114] Illustratively, when the terminal device recommends the resource configuration parameters to the access network device, the terminal device can also send positioning request supplementary information to the access network device, and the positioning request supplementary information includes first indication information of the positioning reference signal, which is information recommended by the terminal device to the access network device for resource configuration recommendation parameters of the positioning reference signal. Optionally, the positioning request supplementary information is sent through a message Msg3 in the 4-step RACH; or the positioning request supplementary information is sent through PUSCH channel resource in a message Msg A in a 2-step random access channel (2-step RACH).

[0115] Optionally, the access network device indicates the resource configuration parameters to the terminal device, so that the terminal device measures the positioning reference signal according to the resource configuration parameters.

[0116] 1.2 receiving a positioning request sent by a terminal device through a scheduling request (SR).

[0117] In some embodiments, the terminal device sends the positioning request on a physical uplink control channel (PUCCH) through the SR.

[0118] Optionally, after the access network device receives the SR, the access network device allocates a physical uplink shared channel (PUSCH) resource to the terminal device, and the terminal device sends information of the resource configuration recommendation parameter of the positioning reference signal on the PUSCH.

[0119] Secondly, the positioning request is determined by the access network device and sent to the terminal device, that is, the gNB sends the positioning request to the UE;

[0120] In some embodiments, the access network device sends the positioning request to the terminal device by sending a paging message to the terminal device, and the access network device sends the paging message to the terminal device, and the paging message includes the positioning request. Optionally, the terminal device also receives the first downlink signaling sent by the access network device, and the first downlink signaling is used to indicate the third indication information of the positioning reference signal, and the third indication information includes the resource configuration parameter, wherein the first downlink signaling includes at least one of RRC signaling, MAC signaling and DCI.

[0121] In some embodiments, the access network device can also directly send the positioning request to the terminal device by sending downlink signaling, that is, the access network device sends the second downlink signaling to the terminal device, and the second downlink signaling is used to indicate the positioning request through the fourth indication information, wherein the second downlink signaling includes at least one of radio resource control (RRC) signaling, media access control (MAC) signaling and downlink control signaling (DCI), and the fourth indication information includes the resource configuration parameter of the positioning reference signal.

[0122] Thirdly, the positioning request is determined by the terminal device and sent to the location management function (LMF), that is, the UE sends the positioning request to the LMF;

[0123] Optionally, the terminal sends the resource configuration recommendation parameter of the positioning reference signal to the LMF at the same time of sending the positioning request to the LMF; or, the terminal receives the resource configuration parameter directly sent by the LMF; or, the terminal receives the resource configuration parameter sent by the LMF through the access network device.

[0124] Fourthly, the positioning request is determined by the LMF and sent to the terminal device, that is, the LMF sends the positioning request to the UE.

[0125] Optionally, the LMF directly sends the resource configuration parameter to the terminal device at the same time of sending the positioning request to the terminal; or, the LMF sends the resource configuration parameter to the terminal device through the access network device.

[0126] In some embodiments, the resource configuration parameter includes at least one of a resource mapping identifier and a beam identifier.

[0127] The resource mapping identifier is used to indicate a time-frequency resource position, and the beam identifier is used to indicate a beam for transmitting the positioning reference signal.

[0128] Optionally, the network device sends resource indication information to the terminal device, the resource indication information comprising at least one of a mapping relationship between the resource mapping identifier and the time-frequency resource parameter, and a mapping relationship between the beam identifier and the reference signal identifier indicating the beam direction, wherein the resource indication information is information used by the network device to indicate the terminal device of a resource location and / or a beam direction for transmitting the positioning reference signal. The network device can be implemented as an LMF or an access network device.

[0129] That is, in some embodiments, the first correspondence relationship between the resource mapping identifier and the time-frequency resource location parameter is pre-configured; and / or, the second correspondence relationship between the beam identifier and the reference signal identifier indicating the beam direction is pre-configured.

[0130] In some embodiments, the time-frequency resource location parameter comprises at least one of a frequency domain parameter, a time domain parameter, and a space domain parameter.

[0131] It is worth noting that in the above content, the positioning request is used as an example to indicate that the network device sends the terminal device the resource configuration parameter of the positioning reference signal and / or the positioning reference signal. In some embodiments, the positioning request is used to indicate the terminal to send the network device the measurement result.

[0132] Step 303: receiving the positioning measurement result sent by the terminal device according to the positioning request.

[0133] That is, the terminal has measured the downlink positioning reference signal to obtain the measurement result, and sends the positioning request to request the network device to send the measurement result.

[0134] In response to the positioning request indicating that the terminal sends the network device the positioning measurement result, the positioning measurement result sent by the terminal device is received according to the positioning request.

[0135] Optionally, when the positioning request is used to indicate the positioning measurement result, the positioning request is sent through a physical random access channel, so that the measurement result is sent through a PUSCH in a message Msg3 in a 4-step random access channel 4-step RACH or a message Msg A in a 2-step random access channel 2-step RACH.

[0136] In some embodiments, the positioning request can also be sent through an SR, and the measurement result is sent through a PUSCH scheduled by DCI signaling sent by the access network device to the terminal device after receiving the SR.

[0137] Optionally, the positioning request is a request sent by the network device to the terminal device. Illustratively, the access network device sends a paging message to the terminal device, and the paging message includes the positioning request. Since the positioning request is used to instruct the terminal device to send the positioning measurement result to the network device, the terminal device sends the positioning measurement result to the access network device through a PUSCH resource in a message Msg3 in a 4-step random access channel (4-step RACH) or in a message Msg A in a 2-step random access channel (2-step RACH).

[0138] To sum up, the transmission method of the reference signal provided in the embodiment avoids the problems of excessive transmission of the positioning reference signal, large positioning time delay, and low positioning accuracy caused by large transmission period of the positioning reference signal. Meanwhile, the sending method of the positioning measurement result provided in the embodiment avoids the problems of signaling waste and time delay caused by periodic sending of the positioning measurement result.

[0139] Figure 4 FIG. 4 is a flowchart of a transmission method of a reference signal provided in another exemplary embodiment of the present disclosure. The method is applied to a communication system, for example. As shown in FIG. 4, the method includes the following steps. Figure 4

[0140] In step 401, the terminal device determines a positioning request.

[0141] In some embodiments, the terminal determining the positioning request includes two cases: 1, the terminal determines the positioning request and sends the positioning request to the network device; and 2, the network device sends the positioning request to the terminal.

[0142] The positioning request is used to instruct the network device to send a resource configuration parameter of a positioning reference signal and / or the positioning reference signal to the terminal device, or the positioning request is used to instruct the terminal device to send a positioning measurement result to the network device.

[0143] In step 402, the network device determines the positioning request.

[0144] In step 403, the terminal device and the network device transmit the positioning reference signal according to the positioning request or the resource configuration parameter of the positioning reference signal.

[0145] ​Optionally, the positioning reference signal includes an uplink signal for positioning, such as a sounding reference signal (SRS) or other uplink signals such as a random access preamble, or a downlink positioning reference signal (PRS). That is, the positioning reference signal includes an uplink signal sent by the terminal device to the network device, or a downlink positioning reference signal (PRS) sent by the network device to the terminal device.

[0146] Optionally, in the case where the positioning request is used to instruct the network device to send resource configuration parameters and / or positioning reference signals to the terminal device, the following cases are mainly divided:

[0147] First, the positioning request is sent by the terminal device to the access network device after the terminal device determines the positioning request, that is, the UE sends the positioning request to the gNB;

[0148] In some embodiments, when the terminal device sends the positioning request to the access network device, the following information is included:

[0149] 1.1 receiving a positioning request sent by a terminal device through a physical random access channel (PRACH);

[0150] Optionally, a dedicated random access resource is used to indicate the positioning request, including at least one of time-frequency resources or random access preamble resources.

[0151] In some embodiments, when the terminal device sends the positioning request to the access network device, the terminal device recommends resource configuration parameters of the positioning reference signal to the access network device; or the terminal device does not recommend resource configuration parameters of the positioning reference signal to the access network device, and the resource configuration parameters are directly indicated by the access network device.

[0152] Illustratively, when the terminal device does not recommend resource configuration parameters to the access network device, the terminal device only sends a positioning request through a physical random access channel (PRACH), and the access network device indicates the resource configuration parameters through a message (Msg2) in a four-step random access channel (4-step RACH), while the access network device sends a downlink positioning reference signal to the terminal device. The terminal device measures the downlink positioning reference signal sent by the base station according to the resource configuration parameters, and feeds back the measurement results to the access network device through a message (Msg3) in the four-step random access channel (4-step RACH). The access network device receives the measurement results sent by the terminal device.

[0153] Optionally, the terminal device sends the positioning request supplement information to the access network device, the positioning request supplement information including first indication information of the positioning reference signal, the first indication information being information of the terminal device recommending the resource configuration recommendation parameter of the positioning reference signal to the access network device. The positioning request supplement information is sent through a message Msg3 in a 4-step random access channel (4-step RACH) or through PUSCH channel resources in a message Msg A in a 2-step random access channel (2-step RACH).

[0154] Optionally, the access network device indicates the resource configuration parameter to the terminal device, so that the terminal device measures the positioning reference signal according to the resource configuration parameter.

[0155] 1.2 The terminal device sends the positioning request through a scheduling request (SR).

[0156] In some embodiments, the terminal device sends the positioning request on a PUCCH through the SR.

[0157] Optionally, after the access network device receives the SR, the access network device allocates PUSCH resources to the terminal device, and the terminal device sends information of the resource configuration recommendation parameter of the positioning reference signal on the PUSCH.

[0158] Secondly, the positioning request is sent to the terminal device after the access network device determines the positioning request, that is, the gNB sends the positioning request to the UE.

[0159] In some embodiments, the access network device sends the positioning request to the terminal device by sending a paging message to the terminal device. The access network device sends the paging message to the terminal device, and the paging message includes the positioning request. Optionally, the terminal device also receives first downlink signaling sent by the access network device, the first downlink signaling being used to indicate third indication information of the positioning reference signal, the third indication information including the resource configuration parameter, wherein the first downlink signaling includes at least one of radio resource control (RRC) signaling, medium access control (MAC) signaling, and downlink control information (DCI).

[0160] In some embodiments, the access network device can also directly send the positioning request to the terminal device by sending downlink signaling, that is, the access network device sends second downlink signaling to the terminal device, the second downlink signaling being used to indicate the positioning request through fourth indication information, wherein the second downlink signaling includes at least one of radio resource control (RRC) signaling, medium access control (MAC) signaling, and downlink control information (DCI), and the fourth indication information includes the resource configuration parameter of the positioning reference signal.

[0161] Thirdly, the positioning request is determined by the terminal device and sent to the location management function network element LMF, that is, the UE sends the positioning request to the LMF.

[0162] Optionally, the terminal sends the resource configuration recommendation parameter of the positioning reference signal to the LMF at the same time of sending the positioning request to the LMF; or, the terminal receives the resource configuration parameter sent by the LMF directly; or, the terminal receives the resource configuration parameter sent by the LMF through the access network device.

[0163] Fourthly, the positioning request is determined by the LMF and sent to the terminal device, that is, the LMF sends the positioning request to the UE.

[0164] Optionally, the LMF directly sends the resource configuration parameter to the terminal device at the same time of sending the positioning request to the terminal; or, the LMF sends the resource configuration parameter to the terminal device through the access network device.

[0165] In some embodiments, the resource configuration parameter includes at least one of a resource mapping identifier and a beam identifier.

[0166] The resource mapping identifier is used to indicate a time-frequency resource position, and the beam identifier is used to indicate a beam for transmitting the positioning reference signal.

[0167] Optionally, the network device sends resource indication information to the terminal device, the resource indication information includes at least one of a mapping relationship between the resource mapping identifier and a time-frequency resource parameter, and a mapping relationship between the beam identifier and a reference signal identifier indicating a beam direction, wherein the resource indication information is information for the network device to indicate the resource position and / or the beam direction for transmitting the positioning reference signal to the terminal device. The network device can be implemented as the LMF or the access network device.

[0168] That is, in some embodiments, the first correspondence relationship between the resource mapping identifier and the time-frequency resource position parameter is pre-configured; and / or, the second correspondence relationship between the beam identifier and the reference signal identifier indicating the beam direction is pre-configured.

[0169] In some embodiments, the above-mentioned time-frequency resource position parameter includes at least one of a frequency domain parameter, a time domain parameter and a space domain parameter.

[0170] It is worth noting that in the above content, the positioning request is used as an example to indicate the resource configuration parameter and / or the positioning reference signal sent by the network device to the terminal device. In some embodiments, the positioning request is used to indicate the measurement result sent by the terminal to the network device.

[0171] Step 404, the terminal device sends the positioning measurement result to the network device according to the positioning request.

[0172] That is, the terminal has measured the downlink positioning reference signal to obtain a measurement result, and sends a positioning request for requesting to send the measurement result to the network device.

[0173] In response to the positioning request for indicating the terminal to send the positioning measurement result to the network device, the positioning measurement result sent by the terminal device is received according to the positioning request.

[0174] Optionally, when the positioning request is for indicating to send the positioning measurement result, the positioning request is sent through a random access channel, so that the measurement result is sent through PUSCH in a message Msg3 in a 4-step random access channel 4-step RACH or a message Msg A in a 2-step random access channel 2-step RACH.

[0175] In some embodiments, the positioning request can also be sent through SR, and the measurement result is sent through PUSCH scheduled by DCI signaling sent by the access network device to the terminal device after receiving the SR.

[0176] Optionally, the positioning request is a request sent by the network device to the terminal device. Illustratively, the access network device sends a paging message to the terminal device, and the paging message includes the positioning request. Since the positioning request is for indicating the terminal device to send the positioning measurement result to the network device, the terminal device sends the positioning measurement result to the access network device through PUSCH resources in a message Msg3 in a 4-step random access channel 4-step RACH or in a message Msg A in a 2-step random access channel 2-step RACH.

[0177] In summary, the transmission method of the reference signal provided by the embodiment indicates the transmission of the positioning reference signal through the positioning request, that is, after determining the positioning request, the positioning reference signal is transmitted according to the resource configuration parameter determined according to the positioning request, so as to avoid the problem of large positioning time delay and low positioning accuracy caused by the excessive transmission of the positioning reference signal and the large transmission period of the positioning reference signal. In addition, the transmission of the positioning measurement result is indicated through the positioning request, that is, the positioning measurement result is transmitted after determining the positioning request, so as to provide a non-periodic transmission method of the positioning measurement result.

[0178] Figure 5 is a structural block diagram of the transmission device of the reference signal provided by one exemplary embodiment of the present disclosure, as shown in the figure, the device comprises: Figure 5

[0179] The processing module 510 is configured to determine a positioning request.

[0180] ​The positioning request is used to instruct the network device to send resource configuration parameters and / or the positioning reference signal to the terminal device; or, the positioning request is used to instruct the terminal device to send the positioning measurement result to the network device.

[0181] In an optional embodiment, the apparatus further comprises:

[0182] The transmission module 520 is configured to transmit the positioning reference signal according to the positioning request or the resource configuration parameters of the positioning reference signal, when the positioning request is used to instruct the network device to send the resource configuration parameters and / or the positioning reference signal to the terminal device.

[0183] Or,

[0184] The transmission module 520 is further configured to send the positioning measurement result to the network device according to the positioning request, when the positioning request is used to instruct the terminal device to send the positioning measurement result to the network device.

[0185] In an optional embodiment, the apparatus further comprises:

[0186] The transmission module 520 is configured to send the positioning request to the network device.

[0187] In an optional embodiment, the network device is an access network device or a location management function network element.

[0188] In an optional embodiment, the transmission module 520 is further configured to send the positioning request to the access network device through a random access channel.

[0189] Or,

[0190] The transmission module 520 is further configured to send the positioning request to the access network device through a scheduling request (SR).

[0191] In an optional embodiment, the positioning request is used to instruct the network device to send resource configuration parameters and / or the positioning reference signal to the terminal device.

[0192] The transmission module 520 is further configured to send positioning request supplementary information to the access network device, wherein the positioning request supplementary information includes first indication information of the positioning reference signal, and the first indication information is information of resource configuration recommendation parameters of the positioning reference signal recommended by the terminal device to the access network device.

[0193] In an optional embodiment, the positioning request supplemental information is sent through a message Msg3 in a 4-step random access channel (4-step RACH) or a message Msg A in a 2-step random access channel (2-step RACH).

[0194] In an optional embodiment, the positioning request is used to instruct the terminal device to send the network device resource configuration parameters and / or a positioning reference signal of the network device;

[0195] The transmission module 520 is further configured to receive, through a message Msg2 in a 4-step random access channel (4-step RACH), second indication information of the positioning reference signal sent by the access network device, the second indication information being used to indicate the resource configuration parameters of the positioning reference signal sent by the access network device.

[0196] In an optional embodiment, the processing module 510 is further configured to measure the positioning reference signal sent by the access network device according to the resource configuration parameters, and send a measurement result to the access network device through a message Msg3 in the 4-step random access channel (4-step RACH).

[0197] In an optional embodiment, the positioning request is used to instruct the terminal device to send the network device the positioning measurement result;

[0198] The transmission module 520 is further configured to send the positioning measurement result to the access network device through a physical uplink shared channel (PUSCH) resource in a message Msg3 in a 4-step random access channel (4-step RACH) or in a message Msg A in a 2-step random access channel (2-step RACH).

[0199] In an optional embodiment, the positioning request is used to instruct the terminal device to send the network device the positioning measurement result;

[0200] The transmission module 520 is further configured to send the positioning measurement result to the access network device through a PUSCH resource scheduled by the access network device based on the SR.

[0201] In an optional embodiment, the transmission module 520 is further configured to receive the positioning request sent by the network device.

[0202] In an optional embodiment, the network device is an access network device or a location management function network element.

[0203] In an optional embodiment, the transmission module 520 is further configured to receive a paging message sent by the access network device, wherein the paging message comprises the positioning request.

[0204] In an optional embodiment, the positioning request is used to indicate resource configuration parameters of the positioning reference signal sent by the network device to the terminal device and / or the positioning reference signal.

[0205] The transmission module 520 is further configured to receive first downlink signaling sent by the access network device, wherein the first downlink signaling is used to indicate third indication information of the positioning reference signal, and the third indication information comprises the resource configuration parameters.

[0206] The first downlink signaling comprises at least one of radio resource control (RRC) signaling, medium access control (MAC) signaling, and downlink control information (DCI).

[0207] In an optional embodiment, the positioning request is used to indicate resource configuration parameters of the positioning reference signal sent by the network device to the terminal device and / or the positioning reference signal.

[0208] The transmission module 520 is further configured to receive second downlink signaling sent by the access network device, wherein the second downlink signaling is used to indicate the positioning request through fourth indication information, and the second downlink signaling comprises at least one of radio resource control (RRC) signaling, medium access control (MAC) signaling, and downlink control information (DCI).

[0209] The fourth indication information comprises the resource configuration parameters.

[0210] In an optional embodiment, the resource configuration parameters comprise at least one of resource mapping identification and beam identification.

[0211] In an optional embodiment, the transmission module 520 is further configured to receive resource indication information sent by the network device, wherein the resource indication information comprises at least one of a mapping relationship between resource mapping identification and time-frequency resource location parameters, and a mapping relationship between beam identification and reference signal identification indicating a beam direction.

[0212] The resource indication information is information used by the network device to indicate resource locations and / or beam directions of the positioning reference signal to the terminal device.

[0213] In an optional embodiment, a first correspondence relationship between resource mapping identification and time-frequency resource location parameters is preconfigured.

[0214] and / or,

[0215] The second correspondence between the beam identifier and the reference signal identifier indicating the beam direction is preconfigured.

[0216] In an optional embodiment, the time-frequency resource location parameter comprises at least one of a frequency domain parameter, a time domain parameter, and a space domain parameter.

[0217] In an optional embodiment, the positioning reference signal comprises:

[0218] an uplink signal for positioning; or

[0219] a downlink positioning reference signal.

[0220] Figure 6 is a structural block diagram of a transmission device of a reference signal provided by another exemplary embodiment of the present disclosure, as Figure 6 shown, the device comprises:

[0221] a processing module 610 configured to determine a positioning request;

[0222] The positioning request is used to instruct the network device to send resource configuration parameters and / or a positioning reference signal of the positioning reference signal to the terminal device; or, the positioning request is used to instruct the terminal device to send a positioning measurement result to the network device.

[0223] In an optional embodiment, the device further comprises:

[0224] a transmission module 620 configured to, when the positioning request is used to instruct the network device to send the resource configuration parameters and / or the positioning reference signal of the positioning reference signal to the terminal device, transmit the positioning reference signal according to the positioning request or the resource configuration parameters of the positioning reference signal;

[0225] or,

[0226] The transmission module 620 is further configured to, when the positioning request is used to instruct the terminal device to send a positioning measurement result to the network device, receive the positioning measurement result sent by the terminal device according to the positioning request.

[0227] In an optional embodiment, the device further comprises:

[0228] a transmission module 620 configured to receive the positioning request sent by the terminal device.

[0229] In an optional embodiment, the network device is an access network device;

[0230] The transmission module 620 is further configured to receive the positioning request sent by the terminal device through a random access channel.

[0231] or,

[0232] The transmission module 620 is further configured to receive the positioning request sent by the terminal device through a scheduling request (SR).

[0233] In an optional embodiment, the positioning request is used to indicate resource configuration parameters and / or a positioning reference signal sent by the network device to the terminal device.

[0234] The transmission module 620 is further configured to receive positioning request supplementary information sent by the terminal device, wherein the positioning request supplementary information includes first indication information of the positioning reference signal, and the first indication information is resource configuration recommendation parameters of the positioning reference signal recommended by the terminal device to the access network device.

[0235] In an optional embodiment, the positioning request supplementary information is sent through a message Msg3 in a four-step random access channel (4-step RACH) or a message Msg A in a two-step random access channel (2-step RACH).

[0236] In an optional embodiment, the positioning request is used to indicate resource configuration parameters and / or a positioning reference signal sent by the network device to the terminal device.

[0237] The transmission module 620 is further configured to send second indication information of the positioning reference signal to the terminal device through a message Msg2 in a four-step random access channel (4-step RACH), wherein the second indication information is used to indicate the resource configuration parameters of the positioning reference signal sent by the access network device.

[0238] In an optional embodiment, the positioning request is used to indicate the terminal device to send the positioning measurement result to the network device.

[0239] The transmission module 620 is further configured to receive the positioning measurement result sent by the terminal device through a physical uplink shared channel (PUSCH) resource in a message Msg3 in a four-step random access channel (4-step RACH) or in a message Msg A in a two-step random access channel (2-step RACH).

[0240] In an optional embodiment, the positioning request is used to indicate the terminal device to send the positioning measurement result to the network device.

[0241] The transmission module 620 is further configured to receive the positioning measurement result sent by the terminal device based on the PUSCH resource scheduled by the SR through the access network device.

[0242] In an optional embodiment, the transmission module 620 is further configured to send the positioning request to the terminal device.

[0243] In an optional embodiment, the transmission module 620 is further configured to send a paging message to the terminal device, and the positioning request is included in the paging message.

[0244] In an optional embodiment, the positioning request is used to instruct the network device to send resource configuration parameters and / or a positioning reference signal of the positioning reference signal to the terminal device.

[0245] The transmission module 620 is further configured to send first downlink signaling to the terminal device, and the first downlink signaling is used to indicate third indication information of the positioning reference signal, and the resource configuration parameters are included in the third indication information.

[0246] The first downlink signaling includes at least one of radio resource control (RRC) signaling, medium access control (MAC) signaling, and downlink control information (DCI).

[0247] In an optional embodiment, the positioning request is used to instruct the terminal device to send the positioning measurement result to the network device.

[0248] The transmission module 620 is further configured to receive the positioning measurement result sent by the terminal device through a PUSCH resource in a message Msg3 in a 4-step random access channel (4-step RACH) or a message Msg A in a 2-step random access channel (2-step RACH).

[0249] In an optional embodiment, the positioning request is used to instruct the network device to send resource configuration parameters and / or a positioning reference signal of the positioning reference signal to the terminal device.

[0250] The transmission module 620 is further configured to send second downlink signaling to the terminal device, and the second downlink signaling is used to indicate the positioning request through fourth indication information, and the second downlink signaling includes at least one of radio resource control (RRC) signaling, medium access control (MAC) signaling, and downlink control information (DCI).

[0251] The fourth indication information includes the resource configuration parameters.

[0252] In an optional embodiment, the resource configuration parameter comprises at least one of a resource mapping identifier and a beam identifier.

[0253] In an optional embodiment, the transmission module 620 is further configured to send resource indication information to the terminal device, wherein the resource indication information comprises at least one of a mapping relationship between a resource mapping identifier and a time-frequency resource location parameter, and a mapping relationship between a beam identifier and a reference signal identifier indicating a beam direction.

[0254] The resource indication information is information for the network device to indicate a resource location and / or a beam direction for transmitting the positioning reference signal to the terminal device.

[0255] In an optional embodiment, the first correspondence relationship between the resource mapping identifier and the time-frequency resource location parameter is preconfigured.

[0256] and / or,

[0257] The second correspondence relationship between the beam identifier and the reference signal identifier indicating the beam direction is preconfigured.

[0258] In an optional embodiment, the time-frequency resource location parameter comprises at least one of a frequency domain parameter, a time domain parameter, and a space domain parameter.

[0259] In an optional embodiment, the positioning reference signal comprises:

[0260] an uplink signal for positioning; or

[0261] a downlink positioning reference signal.

[0262] In summary, the transmission device for the reference signal provided in the embodiment avoids the problems of excessive transmission of the positioning reference signal, large positioning time delay, and low positioning precision, by indicating the transmission of the positioning reference signal through the positioning request, i.e., transmitting the positioning reference signal after determining the resource configuration parameter according to the positioning request after determining the positioning request. In addition, the transmission of the positioning measurement result is indicated through the positioning request, i.e., transmitting the positioning measurement result after determining the positioning request, thereby providing a non-periodic transmission method for the positioning measurement result.

[0263] Figure 7 A structural schematic diagram of a communication device 700 (terminal device or network device) provided by one exemplary embodiment of the present disclosure is shown, which comprises a processor 701, a receiver 702, a transmitter 703, a memory 704, and a bus 705.

[0264] The processor 701 comprises one or more processing cores, and the processor 701 performs various functional applications and information processing by running software programs and modules.

[0265] The receiver 702 and the transmitter 703 can be implemented as a communication component, which can be a communication chip.

[0266] The memory 704 is connected to the processor 701 through the bus 705.

[0267] The memory 704 can be used to store at least one instruction, and the processor 701 is configured to execute the at least one instruction to implement the steps in the above method embodiments.

[0268] In addition, the memory 704 can be implemented by any type of volatile or non-volatile storage device or a combination thereof, including but not limited to: a magnetic or optical disk, an electrically erasable programmable read-only memory (EEPROM), an erasable programmable read-only memory (EPROM), a static random access memory (SRAM), a read-only memory (ROM), a magnetic storage, a flash memory, and a programmable read-only memory (PROM).

[0269] An example embodiment of the present disclosure further provides an information transmission system, comprising: a terminal device and a network device;

[0270] The terminal device comprises a reference signal transmission apparatus provided by the example embodiment. Figure 5 The example embodiment provides a reference signal transmission apparatus.

[0271] The network device comprises a reference signal transmission apparatus provided by the example embodiment. Figure 6 The example embodiment provides a reference signal transmission apparatus.

[0272] An example embodiment of the present disclosure further provides a computer readable storage medium, which stores at least one instruction, at least one program, a code set or an instruction set, and the at least one instruction, the at least one program, the code set or the instruction set are loaded and executed by the processor to implement the steps performed by the terminal in the reference signal transmission method provided by the above various method embodiments, and the steps performed by the network device in the reference signal transmission method.

[0273] It should be understood that the "multiple" mentioned in this article refers to two or more than two. The "and / or" describes the association between the associated objects, which means that there can be three relationships, for example, A and / or B can represent: A exists alone, A and B exist at the same time, and B exists alone. The character " / " generally represents that the associated objects before and after are a "or" relationship.

[0274] Other embodiments of the present disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the application disclosed herein. The present disclosure is intended to cover any variations, uses, or adaptations of the present disclosure following the general principles thereof and including such departures from the present disclosure that come within known, accepted, and / or customary practice in the art to which the present disclosure pertains. The specification and examples are to be regarded as illustrative only, and the true scope and spirit of the present disclosure are indicated by the following claims.

[0275] It should be understood that the present disclosure is not limited to the precise structures described above and shown in the drawings, and various modifications and changes can be made without departing from its scope. The scope of the present disclosure is limited only by the appended claims.

Claims

1. A method for transmitting a reference signal, characterized in that, Applied to a terminal device, the method includes: A location request is determined, the location request instructing the network device to send resource configuration parameters of a location reference signal to the terminal device; supplementary location request information is sent to the network device, the supplementary location request information including first indication information of the location reference signal, the first indication information being information on recommended resource configuration parameters of the location reference signal recommended by the terminal device to the network device; or... The terminal device receives a location request sent by a network device, the location request being used to instruct the terminal device to send location measurement results to the network device; the terminal device sends the location measurement results to the network device via message Msg3 in the 4-step RACH or via the Physical Uplink Shared Channel (PUSCH) resource in message Msg A in the 2-step RACH.

2. The method according to claim 1, characterized in that, The method further includes: The location request is used to instruct the network device to send the resource configuration parameters of the location reference signal to the terminal device, and to transmit the location reference signal according to the resource configuration parameters of the location reference signal; or, The location request is used to instruct the terminal device to send the location measurement result to the network device, and the location measurement result is sent to the network device according to the location request.

3. The method according to claim 1, characterized in that, The network device is an access network device or a location management function network element.

4. The method according to claim 3, characterized in that, Sending the location request supplementary information to the network device includes: The location request supplementary information is sent to the access network device via a random access channel; or, The location request supplement information is sent to the access network device via a scheduling request (SR).

5. The method according to claim 4, characterized in that, The location request supplement information is sent via message Msg3 in the 4-step RACH or message Msg A in the 2-step RACH.

6. The method according to claim 4, characterized in that, The location request is used to instruct the network device to send resource configuration parameters of the location reference signal to the terminal device; the method further includes: The second indication information of the positioning reference signal sent by the access network device is received via message Msg2 in the 4-step RACH, the second indication information being used to indicate the resource configuration parameters of the positioning reference signal sent by the access network device.

7. The method according to claim 6, characterized in that, The method further includes: The positioning reference signal sent by the access network device is measured according to the resource configuration parameters, and the measurement result is sent to the access network device through message Msg3 in the 4-step RACH.

8. The method according to claim 4, characterized in that, The location request is used to instruct the terminal device to send the location measurement result to the network device; The method further includes: The positioning measurement results are sent to the access network device via message Msg3 in the 4-step RACH or via the Physical Uplink Shared Channel (PUSCH) resource in message Msg A in the 2-step RACH.

9. The method according to claim 4, characterized in that, The location request is used to instruct the terminal device to send the location measurement result to the network device; The method further includes: The location measurement results are sent to the access network device by the access network device based on the PUSCH resources scheduled by the SR.

10. The method according to claim 1, characterized in that, The network device is an access network device or a location management function network element.

11. The method according to claim 10, characterized in that, The location request sent by the receiving network device includes: The device receives a paging message sent by the access network device, the paging message including the location request.

12. The method according to claim 11, characterized in that, The location request is used to instruct the network device to send the location reference signal to the terminal device using resource configuration parameters. The method further includes: The system receives a first downlink signaling sent by the access network device, the first downlink signaling being used to indicate third indication information of the positioning reference signal, the third indication information including the resource configuration parameters; The first downlink signaling includes at least one of Radio Resource Control (RRC) signaling, Media Access Control (MAC) signaling, and Downlink Control (DCI) signaling.

13. The method according to claim 10, characterized in that, The location request is used to instruct the network device to send the location reference signal to the terminal device using resource configuration parameters. The method further includes: The system receives a second downlink signaling sent by the access network device. The second downlink signaling is used to indicate the location request through a fourth indication information. The second downlink signaling includes at least one of Radio Resource Control (RRC) signaling, Media Access Control (MAC) signaling, and Downlink Control (DCI) signaling. The fourth indication information includes the resource configuration parameters.

14. The method according to claim 1, characterized in that, The resource configuration parameters include at least one of a resource mapping identifier and a beam identifier.

15. The method according to any one of claims 1 to 14, characterized in that, The method further includes: The network device receives resource indication information, which includes at least one of the following: a mapping relationship between a resource mapping identifier and a time-frequency resource location parameter, and a mapping relationship between a beam identifier and a reference signal identifier indicating the beam direction. The resource indication information is information from the network device to the terminal device indicating the resource location and / or beam direction for transmitting the positioning reference signal.

16. The method according to any one of claims 1 to 14, characterized in that, The first correspondence between resource mapping identifiers and time-frequency resource location parameters is pre-configured; And / or, The second correspondence between the beam identifier and the reference signal identifier indicating the beam direction is pre-configured.

17. The method according to claim 16, characterized in that, The time-frequency resource location parameters include at least one of frequency domain parameters, time domain parameters, and spatial domain parameters.

18. The method according to any one of claims 1 to 14, characterized in that, The positioning reference signal includes: Uplink signal used for positioning; or Downlink positioning reference signal.

19. A method for transmitting a reference signal, characterized in that, Applied to network devices, the method includes: The system receives supplementary location request information from a terminal device. This supplementary information is sent based on a location request determined by the terminal device. The location request instructs the network device to send resource configuration parameters for a location reference signal to the terminal device. The supplementary location request information includes first indication information for the location reference signal, which is information about recommended resource configuration parameters for the location reference signal recommended by the terminal device to the network device. Alternatively... A location request is sent to the terminal device, the location request being used to instruct the terminal device to send location measurement results to the network device; the location measurement results sent by the terminal device are received through message Msg3 in the 4-step RACH or through the PUSCH resource in message Msg A in the 2-step RACH.

20. The method according to claim 19, characterized in that, The method further includes: The location request is used to instruct the network device to send the resource configuration parameters of the location reference signal to the terminal device, and to transmit the location reference signal according to the resource configuration parameters of the location reference signal; or, The location request is used to instruct the terminal device to send the location measurement result to the network device, and to receive the location measurement result sent by the terminal device according to the location request.

21. The method according to claim 19, characterized in that, The network device is an access network device; The location request supplementary information sent by the receiving terminal device includes: Receive the location request supplementary information sent by the terminal device through a random access channel; or, Receive the location request supplementary information sent by the terminal device through the scheduling request SR.

22. The method according to claim 21, characterized in that, The location request supplement information is sent via message Msg3 in the 4-step RACH or message Msg A in the 2-step RACH.

23. The method according to claim 21, characterized in that, The location request is used to instruct the network device to send resource configuration parameters of the location reference signal to the terminal device; the method further includes: The second indication information of the positioning reference signal is sent to the terminal device via message Msg2 in the 4-step RACH, and the second indication information is used to indicate the resource configuration parameters of the positioning reference signal sent by the access network device.

24. The method according to claim 21, characterized in that, The location request is used to instruct the terminal device to send the location measurement result to the network device; The method further includes: The positioning measurement results sent by the terminal device are received via the Physical Uplink Shared Channel (PUSCH) resource in either message Msg3 in the 4-step RACH or message Msg A in the 2-step RACH.

25. The method according to claim 21, characterized in that, The location request is used to instruct the terminal device to send the location measurement result to the network device; The method further includes: The terminal device receives the positioning measurement results sent by the access network device based on the PUSCH resources scheduled by the SR.

26. The method according to claim 19, characterized in that, Sending a location request to the terminal device includes: A paging message is sent to the terminal device, the paging message including the location request.

27. The method according to claim 26, characterized in that, The location request is used to instruct the network device to send the location reference signal to the terminal device using resource configuration parameters. The method further includes: Send a first downlink signaling to the terminal device, the first downlink signaling being used to indicate third indication information of the positioning reference signal, the third indication information including the resource configuration parameters; The first downlink signaling includes at least one of Radio Resource Control (RRC) signaling, Media Access Control (MAC) signaling, and Downlink Control (DCI) signaling.

28. The method according to claim 19, characterized in that, The location request is used to instruct the network device to send the location reference signal to the terminal device using resource configuration parameters. The method further includes: Send a second downlink signaling to the terminal device. The second downlink signaling is used to indicate the location request through a fourth indication information. The second downlink signaling includes at least one of Radio Resource Control (RRC) signaling, Media Access Control (MAC) signaling, and Downlink Control (DCI) signaling. The fourth indication information includes the resource configuration parameters.

29. The method according to claim 19, characterized in that, The resource configuration parameters include at least one of a resource mapping identifier and a beam identifier.

30. The method according to any one of claims 19 to 29, characterized in that, The method further includes: Send resource indication information to the terminal device. The resource indication information includes at least one of the following: a mapping relationship between a resource mapping identifier and a time-frequency resource location parameter, and a mapping relationship between a beam identifier and a reference signal identifier indicating the beam direction. The resource indication information is information from the network device to the terminal device indicating the resource location and / or beam direction for transmitting the positioning reference signal.

31. The method according to any one of claims 19 to 29, characterized in that, The first correspondence between resource mapping identifiers and time-frequency resource location parameters is pre-configured; And / or, The second correspondence between the beam identifier and the reference signal identifier indicating the beam direction is pre-configured.

32. The method according to claim 31, characterized in that, The time-frequency resource location parameters include at least one of frequency domain parameters, time domain parameters, and spatial domain parameters.

33. The method according to any one of claims 19 to 29, characterized in that, The positioning reference signal includes: Uplink signal used for positioning; or Downlink positioning reference signal.

34. A reference signal transmission device, characterized in that, Applied to a terminal device, the device includes: A processing module is configured to determine a location request, the location request being used to instruct the network device to send resource configuration parameters of a location reference signal to the terminal device; a transmission module is configured to send supplementary location request information to the network device, the supplementary location request information including first indication information of the location reference signal, the first indication information being information on recommended resource configuration parameters of the location reference signal recommended by the terminal device to the network device; or The transmission module is configured to receive a positioning request sent by a network device, the positioning request being used to instruct the terminal device to send positioning measurement results to the network device; and to send the positioning measurement results to the network device via message Msg3 in the 4-step RACH or via PUSCH resources in message Msg A in the 2-step RACH.

35. A reference signal transmission device, characterized in that, Applied to network devices, the device includes: The transmission module is configured to receive supplementary location request information sent by a terminal device. This supplementary information is sent based on a location request determined by the terminal device. The location request instructs the network device to send resource configuration parameters for a location reference signal to the terminal device. The supplementary information includes first indication information for the location reference signal, which is information about recommended resource configuration parameters for the location reference signal recommended by the terminal device to the network device; or... The transmission module is configured to send a location request to a terminal device, the location request being used to instruct the terminal device to send location measurement results to the network device; and to receive the location measurement results sent by the terminal device via message Msg3 in the 4-step RACH or via PUSCH resources in message Msg A in the 2-step RACH.

36. A terminal device, characterized in that, The terminal device includes: processor; A transceiver connected to the processor; Memory for storing executable signaling of the processor; The processor is configured to load and execute executable instructions to implement the method for transmitting the reference signal as described in any one of claims 1 to 18.

37. A network device, characterized in that, The network device includes: processor; A transceiver connected to the processor; Memory for storing executable signaling of the processor; The processor is configured to load and execute executable instructions to implement the method for transmitting the reference signal as described in any one of claims 19 to 33.

38. A computer-readable storage medium storing at least one instruction, at least one program, a code set, or an instruction set, wherein the at least one instruction, the at least one program, the code set, or the instruction set is loaded and executed by a processor to implement the method for transmitting a reference signal as described in any one of claims 1 to 33.

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