A communication method, apparatus and system

Abstract

Embodiments of the present application relate to a communication method, apparatus, and system for improving positioning accuracy and positioning performance. The method includes: a terminal device receiving positioning reference signal configuration information; in a case where the positioning reference signal configuration information includes a physical cell identifier and / or a cell global identifier, if a first condition is satisfied, the terminal device determines that the positioning reference signal corresponding to the positioning reference signal configuration information comes from a serving cell.

Description

Technical Field

[0001] This application relates to the field of wireless communication technologies, and in particular, to a communication method, apparatus, and system. Background Art

[0002] In a positioning scenario, a network device may send down positioning reference signal (PRS) configuration information, and a terminal device may determine from which transmission point each PRS comes according to the PRS configuration information. Then, the arrival time (difference) or arrival angle of multiple PRSs is measured to determine the distance (difference) or arrival angle between the terminal device and each transmission point, and the position of the terminal device is determined according to the coordinates of each transmission point. Therefore, the information carried in the PRS configuration information can be used to calculate the position of the terminal device, and the PRS configuration information does not include additional indication information.

[0003] However, in different situations such as other signal and PRS collision handling, uplink positioning signal open-loop power control handling, and spatial relationship configuration handling, it is also necessary to determine whether the PRS comes from a serving cell or a non-serving cell. In the prior art, it is impossible to determine whether the PRS comes from a serving cell or a non-serving cell, resulting in the inability to accurately handle the collision between other signals and the PRS, and the inability to accurately configure the power and beam of the uplink positioning reference signal, resulting in low positioning accuracy and poor positioning performance. Summary of the Invention

[0004] Embodiments of this application provide a communication method, apparatus, and system to improve positioning accuracy and positioning performance.

[0005] In a first aspect, a communication method is provided, including the following process: A terminal device receives positioning reference signal configuration information; when the positioning reference signal configuration information includes a physical cell identifier and / or a cell global identifier, if a first condition is met, the terminal device determines that the positioning reference signal corresponding to the positioning reference signal configuration information comes from a serving cell.

[0006] In this method, when the positioning reference signal configuration information includes a physical cell identifier and / or a cell global identifier, the terminal device can determine that the positioning reference signal corresponding to the positioning reference signal configuration information comes from a serving cell according to the physical cell identifier and / or cell global identifier included in the positioning reference signal configuration information, and thus can accurately handle the collision between the positioning reference signal and other signals, and accurately configure the power and beam of the uplink positioning signal, improving positioning accuracy and positioning performance.

[0007] In a possible implementation, when the positioning reference signal configuration information includes a physical cell identifier and / or a cell global identifier, if a second condition is satisfied, the terminal device may further determine that the positioning reference signal corresponding to the positioning reference signal configuration information comes from a non-serving cell. When the positioning reference signal configuration information includes a physical cell identifier and / or a cell global identifier, the terminal device may further determine that the positioning reference signal corresponding to the positioning reference signal configuration information comes from a serving cell, and thus can accurately handle the collision between the positioning reference signal and other signals, as well as accurately configure the power and beam of the uplink positioning signal, improving the positioning accuracy and positioning performance.

[0008] In a possible implementation, when a third condition is satisfied, the terminal device may further determine that the positioning reference signal corresponding to the positioning reference signal configuration information is not associated with any cell. The third condition includes that the positioning reference signal configuration information does not include a physical cell identifier and a cell global identifier. If the positioning reference signal is not associated with any cell, the positioning reference signal does not come from the same serving cell or the same non-serving cell as other signals, that is, the positioning reference signal does not collide with other signals, which can further improve the positioning accuracy and positioning performance.

[0009] In a possible implementation, the first condition includes: the physical cell identifier is the same as the physical cell identifier of the serving cell, and the frequency band where the positioning reference signal is located is the same as the frequency band corresponding to the serving cell; and / or the physical cell identifier is the same as the physical cell identifier of the serving cell; and / or the cell global identifier is the same as the cell global identifier of the serving cell. In the positioning reference signal configuration information, the physical cell identifier, the cell global identifier, and the ARFCN (used to determine the frequency band where the positioning reference signal is located) are optional parameters. The terminal device can compare the parameters provided in the positioning reference signal configuration information with the parameters corresponding to the serving cell, so as to determine that the positioning reference signal corresponding to the positioning reference signal configuration information comes from the serving cell.

[0010] In a possible implementation, when the positioning reference signal configuration information further includes an absolute radio frequency channel number ARFCN, if the ARFCN included in the positioning reference signal configuration information is the same as the ARFCN of the serving cell, the terminal device may further determine that the frequency band where the positioning reference signal is located is the same as the frequency band corresponding to the serving cell, which can further improve the positioning accuracy and positioning performance.

[0011] In a possible implementation, the second condition is: the first condition is not satisfied and the third condition is not satisfied. For example, the second condition includes one or more of the following: the physical cell identifier is different from the physical cell identifier of the serving cell; the physical cell identifier is the same as the physical cell identifier of a non-serving cell, and the frequency band where the positioning reference signal is located is the same as the frequency band corresponding to the non-serving cell; the cell global identifier is the same as the cell global identifier of a non-serving cell. The terminal device can determine that the positioning reference signal comes from a non-serving cell according to the parameters provided in the positioning reference signal configuration information, thereby improving the positioning accuracy and positioning performance.

[0012] In a possible implementation, the terminal device may also receive first signal configuration information, where the first signal configuration information includes a physical cell identifier; when the fourth condition is satisfied, the terminal device determines that the positioning reference signal corresponding to the positioning reference signal configuration information and the first signal corresponding to the first signal configuration information come from the same serving cell, and when the fifth condition is satisfied, the terminal device determines that the positioning reference signal corresponding to the positioning reference signal configuration information and the first signal corresponding to the first signal configuration information come from the same non-serving cell. The terminal device can determine that the positioning reference signal and the first signal come from the same serving cell or the same non-serving cell, further accurately handle the collision between the positioning reference signal and other signals, and thereby further improve the positioning accuracy and positioning performance.

[0013] For example, the first signal is a synchronization signal block.

[0014] In a possible implementation, the fourth condition includes: the positioning reference signal comes from a serving cell, and the frequency band where the positioning reference signal is located is the same as the frequency band where the first signal is located. The terminal device can compare the parameters provided in the positioning reference signal configuration information with the parameters provided in the first signal configuration information, thereby determining that the positioning reference signal and the first signal come from the same serving cell, and can further improve the positioning accuracy and positioning performance.

[0015] In a possible implementation, the fourth condition includes: the positioning reference signal comes from a serving cell, and the physical cell identifier corresponding to the positioning reference signal is the same as the physical cell identifier corresponding to the first signal.

[0016] In a possible implementation, the fourth condition includes: the positioning reference signal comes from a serving cell, and the physical cell identifier corresponding to the positioning reference signal is the same as the physical cell identifier corresponding to the first signal, and the frequency band where the positioning reference signal is located is the same as the frequency band where the first signal is located. In this way, the positioning accuracy and positioning performance can be further improved.

[0017] Optionally, the fourth condition further includes that the first signal comes from the serving cell.

[0018] In a possible implementation, the fifth condition includes: the positioning reference signal comes from a non-serving cell, and the physical cell identifier corresponding to the positioning reference signal is the same as the physical cell identifier corresponding to the first signal. The terminal device can compare the parameters provided in the positioning reference signal configuration information with the parameters provided in the first signal configuration information, so as to determine that the positioning parameter signal and the first signal come from the same non-serving cell, which can further improve the positioning accuracy and positioning performance.

[0019] Optionally, the fifth condition further includes that the first signal comes from a non-serving cell.

[0020] In a possible implementation, the fifth condition includes: the positioning reference signal comes from a non-serving cell, the physical cell identifier corresponding to the positioning reference signal is the same as the physical cell identifier corresponding to the first signal, and the frequency band where the positioning reference signal is located is the same as the frequency band where the first signal is located. The terminal device can compare the parameters provided in the positioning reference signal configuration information with the parameters provided in the first signal configuration information, so as to determine that the positioning reference signal and the first signal come from the same non-serving cell, which can further improve the positioning accuracy and positioning performance.

[0021] Optionally, the fifth condition further includes that the first signal comes from a non-serving cell.

[0022] In a second aspect, a communication method is provided, including the following processes: the terminal device receives positioning reference signal configuration information; the terminal device receives first signal configuration information, and the first signal configuration information includes a physical cell identifier; when the positioning reference signal configuration information includes a physical cell identifier and / or a cell global identifier, if the fourth condition is satisfied, the terminal device determines that the positioning reference signal corresponding to the positioning reference signal configuration information and the first signal corresponding to the first signal configuration information come from the same serving cell.

[0023] In a possible implementation, when the positioning reference signal configuration information includes a physical cell identifier and / or a cell global identifier, if the fifth condition is satisfied, the terminal device can further determine that the positioning reference signal corresponding to the positioning reference signal configuration information and the first signal corresponding to the first signal configuration information come from the same non-serving cell.

[0024] Optionally, the positioning reference signal configuration information may further include a cell global identifier.

[0025] In a possible implementation, the first signal is a synchronization signal block.

[0026] In a possible implementation, the fourth condition includes: the positioning reference signal comes from the serving cell, and the frequency band where the positioning reference signal is located is the same as the frequency band where the first signal is located. Optionally, the fourth condition further includes: the first signal comes from the serving cell.

[0027] In a possible implementation, the fourth condition includes: the positioning reference signal comes from the serving cell, and the physical cell identifier corresponding to the positioning reference signal is the same as the physical cell identifier corresponding to the first signal.

[0028] In a possible implementation, the fourth condition includes: the positioning reference signal comes from the serving cell, the physical cell identifier corresponding to the positioning reference signal is the same as the physical cell identifier corresponding to the first signal, and the frequency band where the positioning reference signal is located is the same as the frequency band where the first signal is located.

[0029] In a possible implementation, the fifth condition includes: the positioning reference signal comes from a non-serving cell, and the physical cell identifier corresponding to the positioning reference signal is the same as the physical cell identifier corresponding to the first signal. Optionally, the fifth condition further includes: the first signal comes from a non-serving cell.

[0030] In a possible implementation, the fifth condition includes: the positioning reference signal comes from a non-serving cell, the physical cell identifier corresponding to the positioning reference signal is the same as the physical cell identifier corresponding to the first signal, and the frequency band where the positioning reference signal is located is the same as the frequency band where the first signal is located. Optionally, the fifth condition further includes: the first signal comes from a non-serving cell.

[0031] In a third aspect, a communication method is provided, including the following process: The terminal device receives positioning reference signal configuration information, where the positioning reference signal configuration information is used to indicate that the positioning reference signal corresponding to the positioning reference signal configuration information comes from the serving cell, or is used to indicate that the positioning reference signal corresponding to the positioning reference signal configuration comes from a non-serving cell.

[0032] Optionally, the positioning reference signal configuration information includes first indication information, where the first indication information is used to indicate that the positioning reference signal corresponding to the positioning reference signal configuration information comes from the serving cell, or is used to indicate that the positioning reference signal corresponding to the positioning reference signal configuration comes from a non-serving cell.

[0033] In this method, the terminal device can directly determine whether the positioning reference signal corresponding to the positioning reference signal configuration information comes from the serving cell or a non-serving cell according to the indication of the positioning reference signal configuration information, and then can accurately handle the collision between the positioning reference signal and other signals, as well as accurately configure the power and beam of the uplink positioning signal, improving the positioning accuracy and positioning performance.

[0034] In a fourth aspect, a communication system is provided, the communication system includes a network device and a terminal device;

[0035] The network device is configured to send positioning reference signal configuration information;

[0036] The terminal device is configured to receive the positioning reference signal configuration information; when the positioning reference signal configuration information includes a physical cell identifier and / or a cell global identifier, if a first condition is satisfied, determine that the positioning reference signal corresponding to the positioning reference signal configuration information comes from the serving cell.

[0037] In a possible implementation, when the positioning reference signal configuration information includes a physical cell identifier and / or a cell global identifier, if a second condition is satisfied, the positioning reference signal corresponding to the positioning reference signal configuration information comes from a non-serving cell.

[0038] In a possible implementation, the terminal device is further configured to determine that the positioning reference signal corresponding to the positioning reference signal configuration information is not associated with any cell when a third condition is satisfied, where the third condition includes that the positioning reference signal configuration information does not include a physical cell identifier and a cell global identifier.

[0039] In a possible implementation, the first condition includes: the physical cell identifier is the same as the physical cell identifier of the serving cell, and the frequency band where the positioning reference signal is located is the same as the frequency band corresponding to the serving cell; and / or the physical cell identifier is the same as the physical cell identifier of the serving cell; and / or the cell global identifier is the same as the cell global identifier of the serving cell.

[0040] In a possible implementation, the terminal device is further configured to, when the positioning reference signal configuration information further includes an absolute radio frequency channel number (ARFCN), if the ARFCN included in the positioning reference signal configuration information is the same as the ARFCN of the serving cell, determine that the frequency band where the positioning reference signal is located is the same as the frequency band corresponding to the serving cell.

[0041] In a possible implementation, the second condition is: the first condition is not satisfied, and the third condition is not satisfied.

[0042] In a possible implementation, the network device is further configured to send first signal configuration information, where the first signal configuration information includes a physical cell identifier;

[0043] The terminal device is further configured to receive the first signal configuration information; according to the physical cell identifier included in the first signal configuration information, when a fourth condition is satisfied, determine that the positioning reference signal corresponding to the positioning reference signal configuration information and the first signal corresponding to the first signal configuration information come from the same serving cell, and when a fifth condition is satisfied, determine that the positioning reference signal corresponding to the positioning reference signal configuration information and the first signal corresponding to the first signal configuration information come from the same non-serving cell.

[0044] In a possible implementation, the first signal is a synchronization signal block.

[0045] In a possible implementation, the fourth condition includes: the positioning reference signal comes from a serving cell, and the frequency band where the positioning reference signal is located is the same as the frequency band where the first signal is located.

[0046] In a possible implementation, the fourth condition includes: the positioning reference signal comes from a serving cell, and the physical cell identifier corresponding to the positioning reference signal is the same as the physical cell identifier corresponding to the first signal.

[0047] In a possible implementation, the fourth condition includes: the positioning reference signal comes from a serving cell, the physical cell identifier corresponding to the positioning reference signal is the same as the physical cell identifier corresponding to the first signal, and the frequency band where the positioning reference signal is located is the same as the frequency band where the first signal is located. In this way, the positioning accuracy and positioning performance can be further improved.

[0048] In a possible implementation, the fifth condition includes: the positioning reference signal comes from a non-serving cell, and the physical cell identifier corresponding to the positioning reference signal is the same as the physical cell identifier corresponding to the first signal.

[0049] In a possible implementation, the fifth condition includes: the positioning reference signal comes from a non-serving cell, the physical cell identifier corresponding to the positioning reference signal is the same as the physical cell identifier corresponding to the first signal, and the frequency band where the positioning reference signal is located is the same as the frequency band where the first signal is located.

[0050] In a fifth aspect, a communication system is provided, where the communication system includes a network device and a terminal device;

[0051] The network device is used to send positioning reference signal configuration information, where the positioning reference signal configuration information is used to indicate that the positioning reference signal corresponding to the positioning reference signal configuration information comes from the serving cell, or is used to indicate that the positioning reference signal corresponding to the positioning reference signal configuration comes from a non-serving cell;

[0052] The terminal device is used to receive the positioning reference signal configuration information.

[0053] Optionally, the positioning reference signal configuration information includes first indication information, where the first indication information is used to indicate that the positioning reference signal corresponding to the positioning reference signal configuration information comes from the serving cell, or is used to indicate that the positioning reference signal corresponding to the positioning reference signal configuration comes from a non-serving cell.

[0054] Before sending the positioning reference signal configuration information, the network device may determine the serving cell of the terminal device, and thus perform corresponding indication in the positioning reference signal configuration information.

[0055] In a sixth aspect, a communication device is provided. The device provided in the present application has the functions of implementing the above method aspect, and includes components (means) corresponding to the steps or functions described in the above method aspect. The steps or functions may be implemented by software, or by hardware (such as circuits), or by a combination of hardware and software.

[0056] In a possible design, the above device includes one or more processors and a communication unit. The one or more processors are configured to support the device in performing the functions in the above method.

[0057] Optionally, the device may further include one or more memories, where the memories are used to be coupled with the processors, and store necessary program instructions and / or data of the device. The one or more memories may be integrated with the processors, or may be separately provided from the processors. The present application does not limit this.

[0058] In another possible design, the above device includes a transceiver, a processor, and a memory. The processor is used to control the transceiver or the input / output circuit to transmit and receive signals, the memory is used to store computer programs, and the processor is used to run the computer programs in the memory, so that the device executes the methods in the first aspect, the second aspect, the third aspect, or any possible implementation manner in the first aspect, the second aspect, and the third aspect.

[0059] In a possible design, the above device includes one or more processors and a communication unit. The one or more processors are configured to support the device in performing the functions in the above method.

[0060] Optionally, the device may further include one or more memories, which are used to be coupled with the processor and store necessary program instructions and / or data of the terminal device. The one or more memories may be integrated with the processor or may be separately provided from the processor. This application does not limit this.

[0061] In another possible design, the above device includes a transceiver, a processor, and a memory. The processor is used to control the transceiver or the input / output circuit to transmit and receive signals. The memory is used to store a computer program. The processor is used to run the computer program in the memory, so that the device executes the methods in the first aspect, the second aspect, the third aspect, or any possible implementation manner in the first aspect, the second aspect, and the third aspect.

[0062] In a seventh aspect, a computer-readable storage medium is provided for storing a computer program, and the computer program includes instructions for executing the methods in the first aspect, the second aspect, the third aspect, or any possible implementation manner in the first aspect, the second aspect, and the third aspect.

[0063] In an eighth aspect, a computer program product is provided. The computer program product includes: computer program code, and when the computer program code runs on a computer, it causes the computer to execute the methods in the above first aspect, second aspect, third aspect, or any possible implementation manner in the first aspect, second aspect, and third aspect.

[0064] In a ninth aspect, a chip system is provided. The chip system includes a transceiver for implementing the functions in the methods of the above aspects. For example, it receives or transmits data and / or information involved in the above methods.

[0065] In a tenth aspect, a communication device is provided, including: a processor and an interface circuit. The interface circuit is used to communicate with modules outside the communication device; the processor is used to run a computer program or instructions to execute the methods described in any of the above aspects. The communication device may be the terminal device in the first aspect, the second aspect, or the third aspect above, or a device including the above terminal device, or a device included in the above terminal device, such as a chip.

[0066] Alternatively, the interface circuit may be a code / data read / write interface circuit, which is used to receive computer execution instructions (the computer execution instructions are stored in a memory, may be directly read from the memory, or may pass through other devices) and transmit them to the processor, so that the processor runs the computer execution instructions to execute the methods described in any of the above aspects.

[0067] In some possible designs, the communication device may be a chip or a chip system.

[0068] For the technical effects achievable by the second aspect and the fourth to tenth aspects above, please refer to the technical effects that can be brought about by the first aspect or the third aspect above, and will not be repeated here. BRIEF DESCRIPTION OF THE DRAWINGS

[0069] Figure 1 FIG. is a schematic diagram of the architecture of a communication system provided by an embodiment of the present application;

[0070] Figure 2 FIG. is a schematic diagram of a positioning process;

[0071] Figure 3 FIG. is a schematic diagram of the architecture of a communication system;

[0072] Figure 4 FIG. is a schematic diagram of a communication process provided by an embodiment of the present application;

[0073] Figure 5 FIG. is a schematic diagram of a communication process provided by an embodiment of the present application;

[0074] Figure 6 FIG. is a schematic diagram of a positioning process provided by an embodiment of the present application;

[0075] Figure 7 FIG. is a schematic diagram of the architecture of a communication system provided by an embodiment of the present application;

[0076] Figure 8 FIG. is a schematic diagram of the architecture of a communication system provided by an embodiment of the present application;

[0077] Figure 9 FIG. is a schematic diagram of the architecture of a communication device provided by an embodiment of the present application;

[0078] Figure 10 FIG. is a schematic diagram of the architecture of a communication device provided by an embodiment of the present application. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0079] The present application will be further described in detail below with reference to the accompanying drawings.

[0080] The present application will present various aspects, embodiments or features around a system that may include multiple devices, components, modules, etc. It should be understood and appreciated that each system may include additional devices, components, modules, etc., and / or may not include all the devices, components, modules, etc. discussed in connection with the accompanying drawings. In addition, combinations of these solutions may also be used.

[0081] In addition, in the embodiments of the present application, the term "exemplary" is used to mean an example, illustration, or description. Any embodiment or design described as "exemplary" in the present application should not be construed as being more preferred or having more advantages than other embodiments or designs. Rather, the use of the term exemplary is intended to present concepts in a concrete manner.

[0082] The network architecture and service scenarios described in the embodiments of the present application are to more clearly illustrate the technical solutions of the embodiments of the present application, and do not constitute a limitation on the technical solutions provided by the embodiments of the present application. As can be known to those of ordinary skill in the art, with the evolution of the network architecture and the emergence of new service scenarios, the technical solutions provided by the embodiments of the present application are equally applicable to similar technical problems.

[0083] The following explains some terms in the embodiments of the present application to facilitate the understanding of those skilled in the art.

[0084] 1) A terminal device, also known as a user terminal, is a device with wireless transceiver capabilities that can communicate with one or more core network (CN) devices (or also referred to as core devices) via an access network device (or also referred to as an access device) in a radio access network (RAN).

[0085] A user equipment may also be referred to as an access terminal, a terminal, a user unit, a user station, a mobile station (MS), a mobile device, a remote station, a remote terminal, a mobile device, a subscriber unit, a user terminal, a user agent, or a user device, etc. The user equipment can be deployed on land, including indoor or outdoor, handheld or vehicle-mounted; it can also be deployed on water (such as on a ship, etc.); it can also be deployed in the air (such as on an airplane, a balloon, a satellite, etc.). The user equipment can be a cellular phone, a cordless phone, a session initiation protocol (SIP) phone, a smart phone, a mobile phone, a wireless local loop (WLL) station, a wireless data card, a personal digital assistant (PDA), a tablet computer, a wireless modem, a handset, a laptop computer, a machine type communication (MTC) terminal, etc. Alternatively, the user equipment can also be a handheld device with wireless communication capabilities, a computing device, or other devices connected to a wireless modem, a vehicle-mounted device, a wearable device, a drone device, or a terminal in the Internet of Things (IoT), vehicle-to-everything (V2X), a 5G network, and any form of terminal in a future network, a relay user equipment, or a terminal in a future evolved public land mobile network (PLMN), etc. Among them, the relay user equipment can be, for example, a 5G residential gateway (RG). For example, the user equipment can be a virtual reality (VR) terminal, an augmented reality (AR) terminal, a wireless terminal in industrial control, a wireless terminal in self-driving, a wireless terminal in remote medical, a wireless terminal in a smart grid, a wireless terminal in transportation safety, a wireless terminal in a smart city, a wireless terminal in a smart home, etc. The embodiments of the present application do not limit the type or category of the terminal device.

[0086] In a positioning scenario, the target to be positioned can be a terminal device. In the embodiments of the present application, the case where the target to be positioned is a terminal device is mainly taken as an example for illustration, and the solutions provided in the embodiments of the present application are also applicable to other targets to be positioned.

[0087] 2) A network device refers to a device that can provide wireless access functions for a terminal. Among them, the network device can support at least one wireless communication technology, such as long term evolution (LTE), new radio (NR), wideband code division multiple access (WCDMA), etc.

[0088] For example, network devices may include access network devices. By way of example, network devices include, but are not limited to: evolved node B (eNB) and / or next-generation base stations or next-generation node B (gNB) in a 5G network, etc. An eNB is a device deployed in a radio access network that meets the 4G standard and provides wireless communication functions for UEs. An eNB may include various forms of macro base stations, micro base stations (also known as small stations), relay stations, access points, wearable devices, in-vehicle devices. An eNB may also be a transmission and reception point (TRP). A gNB is a device deployed in a radio access network that meets the 5G standard and provides wireless communication functions for UEs. A gNB may include various forms of macro base stations, micro base stations (also known as small stations), relay stations, access points, wearable devices, in-vehicle devices. A gNB may also be a TRP, transmission measurement function (TMF). A gNB may include a central unit (CU) and a distributed unit (DU) integrated on the gNB. Network devices may also include radio network controllers (RNCs), node Bs (NBs), base station controllers (BSCs), base transceiver stations (BTSs), home base stations (e.g., home evolved node B, or home node B, HNB), baseband units (BBUs), transmitting points (TPs), mobile switching centers, small stations, micro stations, etc. Network devices may also be radio controllers in a cloud radio access network (CRAN) scenario, or network devices may be relay stations, access points, in-vehicle devices, terminals, wearable devices, and network devices in future mobile communications or network devices in a future evolved public land mobile network (PLMN), etc.

[0089] Again, for example, network devices may include core network (CN) devices, and core network devices may include, for example, access and mobility management function (AMF), etc.

[0090] In a positioning scenario, the network device may further include a Location Management Function (LMF), which can be a device or component that provides positioning functions for terminal devices. Optionally, the LMF is deployed in the core network.

[0091] In a positioning scenario, the network device may send Positioning Reference Signals (PRS) to a terminal device. The network device can be referred to as a signal sender, and the terminal device can be referred to as a signal receiver. The PRS, also known as a measurement signal, is used to measure the position of the terminal device. The network device can be a transmission point, a base station, an LMF, etc. Among them, the transmission point can be a Transmission Point (TP) or a TRP. The transmission point can belong to the serving cell of the terminal device, or belong to a non-serving cell of the terminal device, or not belong to any cell.

[0092] 3) Positioning technology, a technology that determines the position of a terminal device based on the time of arrival (difference) and / or angle of arrival of multiple PRSs at the terminal device. Positioning technologies include, but are not limited to: Downlink Time Difference of Arrival (DL-TDOA), Downlink Angle of Departure (DL-AOD), Uplink Time Difference of Arrival (UL-TDOA), Uplink Angle of Arrival (UL-AOA), Multi Round Trip Time (multi-RTT), etc.

[0093] Among them, DL-TDOA, UL-TDOA, and multi-RTT positioning technologies are implemented based on the time of arrival. Specifically, the terminal device measures the time of arrival (difference) of multiple PRSs to determine the distance (difference) between the terminal device and each transmission point, thereby determining the position of the terminal device. DL-AOD and UL-AOA positioning technologies are implemented based on the angle of arrival. Specifically, the terminal device measures the angle of arrival of multiple PRSs to determine the angle between the terminal device and each transmission point, thereby determining the position of the terminal device.

[0094] Exemplarily, the positioning technology is applicable to safety positioning services in the industrial field.

[0095] The positioning scenario involved in the embodiments of this application may include a positioning scenario in an indoor environment or a positioning scenario in an outdoor environment (such as an industrial park environment), which is not limited herein.

[0096] The “and / or” in this application describes the association relationship of associated objects, indicating that there can be three relationships. For example, A and / or B can represent three situations: A exists alone, both A and B exist simultaneously, and B exists alone. The character “ / ” generally represents an “or” relationship between the front and back associated objects.

[0097] The “multiple” involved in this application refers to two or more.

[0098] In addition, it should be understood that in the description of this application, terms such as “first” and “second” are only used for the purpose of distinguishing descriptions, and cannot be understood as indicating or implying relative importance, nor can they be understood as indicating or implying an order.

[0099] The technical solutions of the embodiments of this application can be applied to various communication systems (also known as mobile communication systems or wireless communication systems). Communication systems generally include but are not limited to 4G networks, LTE systems, LTE frequency division duplex (FDD) systems, LTE time division duplex (TDD), universal mobile telecommunication system (UMTS), worldwide interoperability for microwave access (WiMAX) communication systems, 5G communication systems or NR, and other future communication systems such as 6G.

[0100] As Figure 1 shown is a possible communication system architecture, including a terminal device (UE), access network devices (such as Figure 1 the next generation (ng)-eNB and gNB in Figure 1 ), and core network devices (such as

[0101] Among them, the meaning of the LTE-Uu interface between the ng-eNB and the UE, the NR-Uu interface between the gNB and the UE, the NG-C interface between the ng-eNB and the AMF, the NG-C interface between the gNB and the AMF, the NLs interface between the LMF and the AMF, and the Xn interface between the ng-eNB and the gNB can be referred to the meaning defined in the 3GPP standard protocol, and this application does not limit the meaning of the above interfaces. It should be noted that Figure 1 The interface names between the various network functions in

[0102] are only an example. In specific implementations, the interface names of this system architecture may also be other names, and this application does not make any limitations in this regard. Figure 2 Refer to

[0103] for the description of the positioning process. The LMF requests PRS configuration information from the transmission points (generally multiple transmission points) through high-layer signaling, and the transmission points provide the PRS configuration information to the LMF through high-layer signaling. The LMF sends the PRS configuration information of each transmission point to the UE through LTE positioning protocol (LPP) signaling. Each transmission point sends PRS to the UE. The UE measures each received PRS based on the PRS configuration information of each transmission point. The UE reports the measurement results to the LMF, and the LMF estimates the location of the UE according to the measurement results reported by the UE. Figure 3 Taking DL-TDOA as an example, combined with Figure 3 which includes 3 transmission points, namely transmission point 1, transmission point 2, and transmission point 3. It is known that the coordinates of transmission point 1 are (x1, y1), the coordinates of transmission point 2 are (x2, y2), and the coordinates of transmission point 3 are (x3, y3). Assume that the coordinates of the UE to be located are (x UE , y UE ), where x UE and y UE are unknowns. Taking transmission point 1 as the reference transmission point, the UE measures the time difference of arrival Δt 21 between the PRS of transmission point 2 and the PRS of transmission point 1, and the time difference of arrival Δt 31 between the PRS of transmission point 3 and the PRS of transmission point 1. According to the definition of a hyperbola (that is, the difference in distances from two fixed points is a constant), the UE is located on a hyperbola with transmission point 1 and transmission point 2 as foci, obtaining equation (1), and the UE is located on a hyperbola with transmission point 1 and transmission point 3 as foci, obtaining equation (2).

[0104]

[0105]

[0106] where c is the speed of light, so there are only two unknowns x to be solved UE and y UE , and by combining equations (1) and (2), the position coordinates of the UE can be calculated.

[0107] It can be seen that if the UE or the LMF knows which transmission point each PRS comes from and knows the coordinates of each transmission point, the position of the UE can be calculated. Therefore, the PRS configuration information does not have to include additional indication information. However, in the following cases, it is also necessary to consider whether the PRS comes from the serving cell or a non-serving cell.

[0108] The first possible case is the collision handling between the synchronization signal and the physical broadcast channel (PBCH) block (SSB) and the PRS.

[0109] If the base station determines that there is an SSB and a PRS to be transmitted on a time-frequency resource, the base station transmits the SSB on this time-frequency resource instead of the PRS.

[0110] Before receiving the PRS, the UE determines whether there is an SSB (or the time-frequency resource of the SSB) on the orthogonal frequency division multiplexing (OFDM) symbol where the PRS resource is located. If there is an SSB of the same serving cell as the PRS on these OFDMs, the UE does not receive the PRS of this serving cell. Or if there is an SSB of the same non-serving cell as the PRS on these OFDMs, the UE does not receive the PRS of this non-serving cell. This can avoid unnecessary power consumption of the UE and make the UE more power-saving.

[0111] For example, if the transmission point determines that the SSB and the PRS of the same serving cell collide, the transmission point does not transmit the PRS. However, for the UE, if the UE cannot correctly determine the collision between the SSB and the PRS, the UE will still detect the PRS, but the transmission point actually does not transmit the PRS, and the UE will incorrectly detect the PRS (such as an incorrect measurement of the time of arrival (TOA)), which affects the positioning accuracy and performance of the downlink positioning technology.

[0112] Another example is that in fact, the SSB and the PRS do not collide, and the transmission point will send the PRS. However, for the UE, if the UE incorrectly believes that the SSB and the PRS collide, the UE will not detect the PRS, resulting in a missed detection of the PRS, which will also affect the positioning accuracy and performance of the downlink positioning technology.

[0113] The second possible scenario is the open-loop power control processing and spatial relationship configuration processing of the sounding reference signal (SRS).

[0114] Currently, it is supported to configure the PRS as the path loss reference signal for uplink positioning SRS to achieve power configuration. Specifically, the PRS of the serving cell can be configured for the SRS, or the PRS of a non-serving cell can be configured.

[0115] And it is also supported to use the PRS as the spatial relationship reference signal for the SRS to achieve beam configuration. Specifically, the PRS of the serving cell can be configured for the SRS, or the PRS of a non-serving cell can be configured.

[0116] For example, if the UE wants to send the SRS based on the PRS of the serving cell, but due to incorrect UE configuration, the UE may send the SRS based on the PRS of a non-serving cell, resulting in incorrect power configuration or incorrect beam configuration, affecting the positioning accuracy and performance of the uplink positioning technology.

[0117] In summary, in the related art, it is impossible to determine whether the PRS comes from the serving cell or a non-serving cell, resulting in the inability to accurately handle the collision between the SSB and the PRS, and the inability to accurately configure the power and beam of the uplink positioning SRS, resulting in problems of low positioning accuracy and poor positioning performance. Therefore, a technical solution is urgently needed to distinguish whether the PRS comes from the serving cell or a non-serving cell.

[0118] Based on this, the embodiment of the present application provides a communication method. In this method, the terminal device can determine that the positioning reference signal corresponding to the positioning reference signal configuration information comes from the serving cell when the first condition is satisfied, and determine that the positioning reference signal corresponding to the positioning reference signal configuration information comes from the non-serving cell when the second condition is satisfied, according to the physical cell identifier and / or the cell global identifier included in the positioning reference signal configuration information. Therefore, the terminal device can determine whether the positioning reference signal comes from the serving cell or a non-serving cell, and then can accurately handle the collision between the positioning reference signal and other signals, and accurately configure the power and beam of the uplink positioning signal, improving the positioning accuracy and performance.

[0119] The communication method provided by the embodiment of the present application can be applied to Figure 1 or Figure 3 the communication system shown. Figure 4 A possible communication process provided by the embodiment of the present application is as follows, and this process includes:

[0120] S401: The terminal device receives the positioning reference signal configuration information.

[0121] Optionally, the Location Management Function (LMF) may send the positioning reference signal configuration information of each transmission point to the terminal device, and the terminal device may receive the positioning reference signal configuration information from the LMF. Alternatively, the transmission point may send its own positioning reference signal configuration information to the terminal device, and the terminal device receives the positioning reference signal configuration information from the transmission point. Herein, the transmission point may belong to a serving cell, a non-serving cell, or not belong to any cell.

[0122] The positioning reference signal configuration information includes, but is not limited to, one or more of the following information: transmission point identifier, physical cell identifier, cell global identifier, frequency band where the positioning reference signal is located, positioning reference signal resources, etc. In one possible case, the positioning reference signal configuration information includes the physical cell identifier and / or the cell global identifier. In another possible case, the positioning reference signal configuration information does not include the physical cell identifier and the cell global identifier.

[0123] In one possible example, the positioning reference signal is the PRS.

[0124] For example, the positioning reference signal configuration information is as follows:

[0125]

[0126] Among them, the dl-PRS-ID-r16 field is the transmission point identifier (or serial number), that is, used to indicate which transmission point the PRS (i.e., the PRS corresponding to the positioning reference signal) comes from. The value range of the dl-PRS-ID-r16 field is (0, 255). The dl-PRS-ID-r16 field is a mandatory field.

[0127] The nr-PhysCellID-r16 field is the physical cell identifier, that is, used to indicate the physical cell identifier (PCI) where the PRS is located. The value range of the nr-PhysCellID-r16 field is (0, 1007). The nr-PhysCellID-r16 field is an optional field.

[0128] The nr-CellGlobalID-r16 field is the cell global identifier, that is, used to indicate the global cell identifier (GCI) of the PRS. The GCI has global uniqueness. The nr-CellGlobalID-r16 field is an optional field.

[0129] The nr-ARFCN-r16 field is used to indicate the frequency band (i.e., the absolute frequency position or frequency layer) where the PRS is located. The nr-ARFCN-r16 field is an optional field.

[0130] The nr-DL-PRS-Info-r16 field is used to indicate the PRS resources of a transmission point. For example, the information of the nr-DL-PRS-Info-r16 field is as follows:

[0131]

[0132] Among them, the nr-DL-PRS-ResourceID-List-r16 field is the identifier of the PRS resource.

[0133] The nr-DL-PRS-ResourceSetID-r16 field is the identifier of the PRS resource set.

[0134] S402: When the positioning reference signal configuration information includes the physical cell identifier and / or the cell global identifier, if the first condition is met, the terminal device determines that the positioning reference signal corresponding to the positioning reference signal configuration information comes from the serving cell.

[0135] Generally, after the terminal device accesses the serving cell, the terminal device can obtain the information of the serving cell. For example, the information of the serving cell includes one or more of the following: the physical cell identifier of the serving cell, the global cell identifier of the serving cell, the frequency band corresponding to the serving cell, etc. The frequency band corresponding to the serving cell refers to: the position of the serving cell in the spectrum and the occupied bandwidth. Optionally, if the terminal device does not obtain the information of the serving cell after accessing the serving cell, the serving cell or the LMF may send the information of the serving cell to the terminal device.

[0136] The first condition includes: the physical cell identifier included in the positioning reference signal configuration information is the same as the physical cell identifier of the serving cell, and the frequency band where the positioning reference signal is located is the same as the frequency band corresponding to the serving cell; and / or the physical cell identifier included in the positioning reference signal configuration information is the same as the physical cell identifier of the serving cell; and / or the cell global identifier included in the positioning reference signal configuration information is the same as the cell global identifier of the serving cell. It can be understood that in the case of only one serving cell, when the terminal device determines that the physical cell identifier included in the positioning reference signal configuration information is the same as the physical cell identifier of the serving cell, it can determine that the positioning reference signal corresponding to the positioning reference signal comes from the serving cell.

[0137] Exemplarily, when the positioning reference signal configuration information further includes the frequency band where the positioning reference signal is located, and the frequency band where the positioning reference signal is located is indicated by an absolute ratio frequency channel number (ARFCN), if the ARFCN included in the positioning reference signal configuration information is the same as the ARFCN of the serving cell, the terminal device may determine that the frequency band where the positioning reference signal is located is the same as the frequency band corresponding to the serving cell.

[0138] Taking one or more of nr-PhysCellID-r16, nr-CellGlobalID-r16, and nr-ARFCN-r16 included in the above positioning reference signal configuration information as an example, if at least one of the two parameters nr-PhysCellID-r16 and nr-CellGlobalID-r16 is provided, and one or more of nr-PhysCellID-r16, nr-CellGlobalID-r16, and nr-ARFCN-r16 associated with dl-PRS-ID-r16 are the same as the corresponding one or more of the physical cell identifier, global cell identifier, and ARFCN of the serving cell respectively, the terminal device may determine that the positioning reference signal comes from the serving cell, and at this time the first condition is satisfied.

[0139] Exemplarily, when nr-PhysCellID-r16 is included in the positioning reference signal configuration information, if the nr-PhysCellID-r16 is the same as the physical cell identifier (PCI) of the serving cell, and the frequency band where the positioning reference signal is located is the same as the frequency band corresponding to the serving cell, the terminal device may determine that the positioning reference signal comes from the serving cell. At this time, if the positioning reference signal configuration information does not include nr-ARFCN-r16, the terminal device may determine the frequency band where the positioning reference signal is located according to other fields (such as the pointA field) in the positioning reference signal configuration information.

[0140] When the positioning reference signal configuration information includes nr-CellGlobalID-r16, if the nr-CellGlobalID-r16 is the same as the cell global identifier (CGI) of the serving cell, the terminal device may determine that the positioning reference signal comes from the serving cell.

[0141] When the positioning reference signal configuration information includes nr-PhysCellID-r16 and nr-CellGlobalID-r16, if the nr-PhysCellID-r16 is the same as the physical cell identifier of the serving cell, and the nr-CellGlobalID-r16 is the same as the cell global identifier of the serving cell, the terminal device may determine that the positioning reference signal comes from the serving cell.

[0142] When the positioning reference signal configuration information includes nr-PhysCellID-r16 and nr-ARFCN-r16, if the nr-PhysCellID-r16 is the same as the physical cell identifier of the serving cell, and the nr-ARFCN-r16 is the same as the ARFCN of the serving cell, the terminal device can determine that the positioning reference signal comes from the serving cell.

[0143] When the positioning reference signal configuration information includes nr-CellGlobalID-r16 and nr-ARFCN-r16, if the nr-CellGlobalID-r16 is the same as the cell global identifier of the serving cell, and the nr-ARFCN-r16 is the same as the ARFCN of the serving cell, the terminal device can determine that the positioning reference signal comes from the serving cell.

[0144] When the positioning reference signal configuration information includes nr-PhysCellID-r16, nr-CellGlobalID-r16 and nr-ARFCN-r16, if the nr-PhysCellID-r16 is the same as the physical cell identifier of the serving cell, the nr-CellGlobalID-r16 is the same as the cell global identifier of the serving cell, and the nr-ARFCN-r16 is the same as the ARFCN of the serving cell, the terminal device can determine that the positioning reference signal comes from the serving cell.

[0145] In a possible case, the positioning reference signal corresponding to the positioning reference signal configuration is not associated with any cell, that is, the positioning reference signal belongs to neither the serving cell nor the non-serving cell. For example, when the third condition is satisfied, the terminal device can also determine that the positioning reference signal corresponding to the positioning reference signal configuration information is not associated with any cell. The third condition includes: the positioning reference signal configuration information does not include the physical cell identifier and the cell global identifier.

[0146] Optionally, when the positioning reference signal configuration information includes the physical cell identifier and / or the cell global identifier, if the second condition is satisfied, the terminal device can determine that the positioning reference signal corresponding to the positioning reference signal configuration information comes from the non-serving cell.

[0147] The second condition is: the above first condition is not satisfied, and the above third condition is not satisfied. Whether the terminal device can obtain the information of the non-serving cell or not, if the above first condition is not satisfied and the above third condition is not satisfied, the terminal device can determine that the physical cell identifier and / or the cell global identifier included in the above positioning reference signal configuration information satisfy the second condition.

[0148] In a possible manner, the terminal device may, according to the physical cell identifier and / or the cell global identifier included in the positioning reference signal configuration information, determine that the positioning reference signal comes from a non-serving cell if it is determined that the physical cell identifier included in the positioning reference signal configuration information is different from the physical cell identifier of the serving cell, and / or the cell global identifier included in the positioning reference signal configuration information is different from the cell global identifier of the serving cell.

[0149] If the terminal device obtains information of a non-serving cell, the second condition may specifically include: the physical cell identifier included in the positioning reference signal configuration information is the same as the physical cell identifier of the non-serving cell, and the frequency band where the positioning reference signal is located is the same as the frequency band corresponding to the non-serving cell; and / or the cell global identifier included in the positioning reference signal configuration information is the same as the cell global identifier of the non-serving cell.

[0150] It can be understood that before receiving a positioning reference signal, the terminal device receives the positioning reference signal configuration information of the positioning reference signal. That is, in S401 and S402, the terminal device has not received the positioning reference signal corresponding to the positioning reference signal configuration information. The "positioning reference signal" involved here can be understood as a positioning reference signal resource or a positioning reference signal sequence, etc.

[0151] Through the communication method provided by the embodiments of the present application, the terminal device can determine that the positioning reference signal corresponding to the positioning reference signal configuration information comes from a serving cell or a non-serving cell according to the physical cell identifier and / or the cell global identifier included in the positioning reference signal configuration information, and thus can accurately handle the collision between the positioning reference signal and other signals, as well as accurately configure the power and beam of the uplink positioning signal, improving the positioning accuracy and positioning performance.

[0152] The embodiments of the present application may also provide another technical solution to determine whether the positioning reference signal comes from a serving cell or a non-serving cell. For example, the terminal device receives the positioning reference signal configuration information from the network device, and the positioning reference signal configuration information is used to indicate that the positioning reference signal corresponding to the positioning reference signal configuration information comes from a serving cell, or is used to indicate that the positioning reference signal corresponding to the positioning reference signal configuration comes from a non-serving cell.

[0153] The network device may be a transmission point, a base station, or an LMF. If the network device is an LMF, the network device may determine the serving cell of the terminal, and thus make corresponding indications in the positioning reference signal configuration information. For example, the network device may interact with the terminal device to determine relevant information about the serving cell of the terminal device. When the positioning reference signal corresponding to the positioning reference signal configuration information comes from the serving cell of the terminal device, corresponding indications are made in the positioning reference signal configuration information. For another example, the network device may interact with the cell to determine information about the terminal device that uses the cell as the serving cell (including information about the terminal device). When sending the positioning reference signal configuration information corresponding to the cell (i.e., the positioning reference signal configuration information corresponding to the positioning reference signal to be sent by the cell) to the terminal device, corresponding indications are made in the positioning reference signal configuration information.

[0154] Optionally, the positioning reference signal configuration information includes first indication information, which is used for the positioning reference signal corresponding to the positioning reference signal configuration information to come from the serving cell, or for indicating that the positioning reference signal corresponding to the positioning reference signal configuration comes from a non-serving cell.

[0155] In this method, the terminal device may directly determine, according to the indication in the positioning reference signal configuration information, that the positioning reference signal corresponding to the positioning reference signal configuration information comes from the serving cell or the non-serving cell, and thus can accurately handle the collision between the positioning reference signal and other signals, as well as accurately configure the power and beam of the uplink positioning signal, improving the positioning accuracy and positioning performance.

[0156] According to the description of related technologies, embodiments of the present application may further provide a technical solution to distinguish whether the PRS and other signals come from the same serving cell or the same non-serving cell, so as to further improve the positioning accuracy and positioning performance.

[0157] Figure 5 A possible communication process provided by an embodiment of the present application includes the following steps:

[0158] S501: The terminal device receives positioning reference signal configuration information.

[0159] The implementation process of S501 may refer to S401 above and will not be elaborated here.

[0160] S502: The terminal device receives first signal configuration information.

[0161] The order of S501 and S502 is not limited.

[0162] Optionally, the terminal device receives the first signal configuration information from the transmission point.

[0163] The first signal configuration information includes, but is not limited to, one or more of the following information: Physical Cell Identifier (PCI), Cell Global Identifier (CGI), the frequency band where the positioning reference signal is located (such as ARFCN), etc.

[0164] The first signal corresponding to the first signal configuration information may be a Synchronization Signal Block, or may be a Channel State Information Reference Signal (CSI-RS), or may be a downlink signal such as a Demodulation Reference Signal (DMRS). For example, the Synchronization Signal Block may be an SSB.

[0165] S503: When the positioning reference signal configuration information includes the Physical Cell Identifier and / or the Cell Global Identifier, if the fourth condition is met, the terminal device determines that the positioning reference signal corresponding to the positioning reference signal configuration information and the first signal corresponding to the first signal configuration information come from the same serving cell.

[0166] Optionally, when the positioning reference signal configuration information includes the Physical Cell Identifier and / or the Cell Global Identifier, if the fifth condition is met, the terminal device may also determine that the positioning reference signal corresponding to the positioning reference signal configuration information and the first signal corresponding to the first signal configuration information come from the same non-serving cell.

[0167] When the positioning reference signal comes from the serving cell and the first signal comes from the serving cell, the terminal device can determine that the positioning reference signal and the first signal come from the same serving cell. The fourth condition may include: the physical cell identifier corresponding to the positioning reference signal is the same as the physical cell identifier corresponding to the first signal. Considering the case of carrier aggregation, there may be multiple serving cells. To further improve the accuracy of determining that the positioning reference signal and the first signal come from the same serving cell, the fourth condition may include: the positioning reference signal comes from the serving cell, and the frequency band where the positioning reference signal is located is the same as the frequency band where the first signal is located. Or the fourth condition may include that the positioning reference signal comes from the serving cell, the physical cell identifier corresponding to the positioning reference signal is the same as the physical cell identifier corresponding to the first signal, and the frequency band where the positioning reference signal is located is the same as the frequency band where the first signal is located. At this time, when the terminal device determines that the positioning reference signal and the first signal come from the same serving cell, in the case where the terminal device receives multiple positioning reference signals, other positioning reference signals except the positioning reference signal (i.e., the positioning reference signal that comes from the same serving cell as the first signal) can still coexist with the first signal and can still be received by the terminal device, further accurately handling the collision between the positioning reference signal and other signals. Optionally, the fourth condition may further include: the first signal comes from the serving cell, that is, the terminal device can also determine that the first signal comes from the serving cell according to one or more pieces of information included in the first signal configuration information.

[0168] Optionally, when the frequency band where the positioning reference signal is located is the same as the frequency band where the first signal is located, it can be considered that the positioning reference signal and the first signal come from the same cell. If the positioning reference signal comes from the serving cell, then the first signal comes from the same serving cell as the positioning reference signal, that is, the positioning reference signal and the first signal come from the same serving cell. If the positioning reference signal comes from a non-serving cell, then the first signal comes from the same non-serving cell as the positioning reference signal, that is, the positioning reference signal and the first signal come from the same non-serving cell.

[0169] The fifth condition may include: the positioning reference signal comes from a non-serving cell, and the physical cell identifier corresponding to the positioning reference signal is the same as the physical cell identifier corresponding to the first signal.

[0170] Or the fifth condition may include: the positioning reference signal comes from a non-serving cell, the physical cell identifier corresponding to the positioning reference signal is the same as the physical cell identifier corresponding to the first signal, and the frequency band where the positioning reference signal is located is the same as the frequency band where the first signal is located.

[0171] Optionally, the fifth condition may further include: the first signal comes from a non-serving cell, that is, the terminal device can also determine that the first signal comes from a non-serving cell according to one or more pieces of information included in the first signal configuration information.

[0172] Exemplarily, taking one or more of nr-PhysCellID-r16, nr-CellGlobalID-r16, and nr-ARFCN-r16 included in the above positioning reference signal configuration information as an example, it is described whether the positioning reference signal and the first signal come from the same cell.

[0173] When the positioning reference signal configuration information provides that it includes nr-PhysCellID-r16 and the first signal configuration information includes a physical cell identifier, if the nr-PhysCellID-r16 is the same as the physical cell identifier (PCI) of the first signal, and the frequency band where the positioning reference signal is located is the same as the frequency band where the first signal is located, the terminal device can determine that the positioning reference signal and the first signal come from the same cell. If at the same time the positioning reference signal comes from the serving cell, the fourth condition is satisfied, and the positioning reference signal and the first signal come from the same serving cell. If at the same time the positioning reference signal comes from a non-serving cell, the fifth condition is satisfied, and the positioning reference signal and the first signal come from the same non-serving cell.

[0174] When the positioning reference signal configuration information includes nr-CellGlobalID-r16 and the first signal configuration information includes a cell global identifier, if the nr-CellGlobalID-r16 is the same as the cell global identifier (CGI) of the first signal, the terminal device can determine that the positioning reference signal and the first signal come from the same cell. If at the same time the positioning reference signal comes from the serving cell, the fourth condition is satisfied, and the positioning reference signal and the first signal come from the same serving cell. If at the same time the positioning reference signal comes from a non-serving cell, the fifth condition is satisfied, and the positioning reference signal and the first signal come from the same non-serving cell.

[0175] When the positioning reference signal configuration information includes nr-PhysCellID-r16 and nr-CellGlobalID-r16, and the first signal configuration information includes a physical cell identifier and a cell global identifier, if the nr-PhysCellID-r16 is the same as the physical cell identifier of the first signal, and the nr-CellGlobalID-r16 is the same as the cell global identifier of the first signal, the terminal device can determine that the positioning reference signal and the first signal come from the same cell. If at the same time the positioning reference signal comes from the serving cell, the fourth condition is satisfied, and the positioning reference signal and the first signal come from the same serving cell. If at the same time the positioning reference signal comes from a non-serving cell, the fifth condition is satisfied, and the positioning reference signal and the first signal come from the same non-serving cell.

[0176] When the positioning reference signal configuration information includes nr-PhysCellID-r16 and nr-ARFCN-r16, and the first signal configuration information includes a physical cell identifier and an ARFCN, if the nr-PhysCellID-r16 is the same as the physical cell identifier of the first signal, and the nr-ARFCN-r16 is the same as the ARFCN of the first signal, the terminal device can determine that the positioning reference signal and the first signal come from the same cell. If at the same time the positioning reference signal comes from the serving cell, the fourth condition is satisfied, and the positioning reference signal and the first signal come from the same serving cell. If at the same time the positioning reference signal comes from a non-serving cell, the fifth condition is satisfied, and the positioning reference signal and the first signal come from the same non-serving cell.

[0177] When the positioning reference signal configuration information includes nr-CellGlobalID-r16 and nr-ARFCN-r16, and the first signal configuration information includes a cell global identifier and an ARFCN, if the nr-CellGlobalID-r16 is the same as the cell global identifier of the first signal, and the nr-ARFCN-r16 is the same as the ARFCN of the first signal, the terminal device can determine that the positioning reference signal and the first signal come from the same cell. If at the same time the positioning reference signal comes from the serving cell, the fourth condition is satisfied, and the positioning reference signal and the first signal come from the same serving cell. If at the same time the positioning reference signal comes from a non-serving cell, the fifth condition is satisfied, and the positioning reference signal and the first signal come from the same non-serving cell.

[0178] When the positioning reference signal configuration information includes nr-PhysCellID-r16, nr-CellGlobalID-r16 and nr-ARFCN-r16, and the first signal configuration information includes a physical cell identifier, a cell global identifier and an ARFCN, if the nr-PhysCellID-r16 is the same as the physical cell identifier of the first signal, the nr-CellGlobalID-r16 is the same as the cell global identifier of the first signal, and the nr-ARFCN-r16 is the same as the ARFCN of the first signal, the terminal device can determine that the positioning reference signal and the first signal come from the same cell. If at the same time the positioning reference signal comes from the serving cell, the fourth condition is satisfied, and the positioning reference signal and the first signal come from the same serving cell. If at the same time the positioning reference signal comes from a non-serving cell, the fifth condition is satisfied, and the positioning reference signal and the first signal come from the same non-serving cell.

[0179] Except for the above cases, the positioning reference signal and the first signal come from different cells, that is, from different serving cells or different non-serving cells.

[0180] Optionally, if the positioning reference signal and the first signal come from the same serving cell or the same non-serving cell, the terminal device may not receive the positioning reference signal, and the non-received positioning reference signal does not participate in the positioning measurement.

[0181] Through the communication method provided by the embodiments of the present application, the terminal device can determine that the positioning reference signal and the first signal come from the same serving cell or the same non-serving cell, and further accurately process the collision between the positioning reference signal and other signals, thereby further improving the positioning accuracy and positioning performance.

[0182] Based on the communication process shown above Figure 4 and Figure 5 and in combination with Figure 6 the positioning technology is described, including the following steps:

[0183] S601: The LMF and the terminal device interact with each other's positioning capabilities.

[0184] The above positioning capabilities include the processing capabilities of PRS. The processing capabilities of PRS indicate the number of PRSs that the terminal device can process within a period of time.

[0185] S602: The LMF or the transmission point sends the PRS configuration information of each transmission point to the terminal device.

[0186] Wherein, each transmission point is a transmission point participating in positioning.

[0187] S603: The transmission points participating in positioning send PRS to the terminal device.

[0188] S604: After receiving the PRS configuration information, the terminal device determines whether the PRS corresponding to the PRS configuration information comes from a serving cell or a non-serving cell, and determines whether there is an SSB and the PRS coming from the same serving cell or the same non-serving cell.

[0189] The implementation process of S604 can refer to the above Figure 4 and Figure 5 .

[0190] If there is an SSB and the PRS coming from the same serving cell or the same non-serving cell, the terminal device does not receive the PRS, that is, the terminal device does not receive the PRS on the resource of the PRS, or in other words, the terminal device skips the PRS resource.

[0191] S605: The terminal device measures the received PRS.

[0192] S606: The terminal device reports the measurement result to the LMF.

[0193] S607: The LMF estimates the location of the terminal device based on the measurement results reported by the terminal device.

[0194] Optionally, the terminal device measures the received PRS and can estimate its own location.

[0195] As can be seen from the above embodiments, the terminal device can accurately determine whether the positioning reference signal comes from the serving cell or a non-serving cell, and whether the positioning reference signal and the first signal come from the same serving cell or the same non-serving cell.

[0196] In this way, the positioning reference signal that comes from the same serving cell or the same non-serving cell as the first signal is not detected, avoiding collisions between the positioning reference signal and the first signal that come from the same serving cell or the same non-serving cell, and other positioning reference signals that come from different serving cells and / or different non-serving cells from the first signal can be accurately received, which can not only avoid misdetection of the positioning reference signal, but also avoid missed detection of the positioning reference signal, thus ensuring the positioning accuracy and positioning performance of the downlink positioning technology.

[0197] Moreover, the terminal device can accurately configure positioning reference signal resources for the uplink positioning reference signal to implement open-loop power control and beamforming, and accurately transmit the uplink positioning reference signal, thereby ensuring and improving the positioning accuracy and positioning performance of the uplink positioning technology. Especially for the FR2 frequency band, the effect of improving the positioning accuracy and positioning performance of the uplink positioning technology is more obvious.

[0198] In the various embodiments of the present application, if there is no special description and logical conflict, the terms and / or descriptions between different embodiments are consistent and can be referenced to each other, and the technical features in different embodiments can be combined to form new embodiments according to their inherent logical relationships.

[0199] Based on the same technical concept as the above communication method, an embodiment of the present application also provides a communication system. As Figure 7 shown, the communication system 700 includes a network device 701 and a terminal device 702. The network device 701 and the terminal device 702 can implement the methods described in the above method embodiments.

[0200] For example, the network device 701 is used to send positioning reference signal configuration information;

[0201] The terminal device 702 is used to receive the positioning reference signal configuration information; when the positioning reference signal configuration information includes a physical cell identifier and / or a cell global identifier, if the first condition is met, it is determined that the positioning reference signal corresponding to the positioning reference signal configuration information comes from the serving cell.

[0202] In one implementation, when the positioning reference signal configuration information includes a physical cell identifier and / or a cell global identifier, if the second condition is satisfied, the positioning reference signal corresponding to the positioning reference signal configuration information comes from a non-serving cell.

[0203] In one implementation, the terminal device 702 is further configured to determine that the positioning reference signal corresponding to the positioning reference signal configuration information is not associated with any cell when a third condition is satisfied, where the third condition includes that the positioning reference signal configuration information does not include a physical cell identifier and a cell global identifier.

[0204] In one implementation, the first condition includes: the physical cell identifier is the same as that of the serving cell, and the frequency band where the positioning reference signal is located is the same as the frequency band corresponding to the serving cell; and / or the physical cell identifier is the same as that of the serving cell; and / or the cell global identifier is the same as that of the serving cell.

[0205] In one implementation, when the positioning reference signal configuration information further includes an absolute radio frequency channel number (ARFCN), if the ARFCN included in the positioning reference signal configuration information is the same as the ARFCN of the serving cell, the terminal device 702 is further configured to determine that the frequency band where the positioning reference signal is located is the same as the frequency band corresponding to the serving cell.

[0206] In one implementation, the second condition is: the first condition is not satisfied, and the third condition is not satisfied.

[0207] In one implementation, the network device 701 is further configured to send first signal configuration information, where the first signal configuration information includes a physical cell identifier.

[0208] The terminal device 702 is further configured to receive the first signal configuration information; according to the physical cell identifier included in the first signal configuration information, when a fourth condition is satisfied, determine that the positioning reference signal corresponding to the positioning reference signal configuration information and the first signal corresponding to the first signal configuration information come from the same serving cell, and when a fifth condition is satisfied, determine that the positioning reference signal corresponding to the positioning reference signal configuration information and the first signal corresponding to the first signal configuration information come from the same non-serving cell.

[0209] In one implementation, the first signal is a synchronization signal block.

[0210] In one implementation, the fourth condition includes: the positioning reference signal comes from the serving cell, and the frequency band where the positioning reference signal is located is the same as the frequency band where the first signal is located. Optionally, the fourth condition further includes: the first signal comes from the serving cell.

[0211] In one implementation, in a possible implementation, the fourth condition includes: the positioning reference signal comes from the serving cell, and the physical cell identifier corresponding to the positioning reference signal is the same as the physical cell identifier corresponding to the first signal.

[0212] In one implementation, the fourth condition includes: the positioning reference signal comes from the serving cell, the physical cell identifier corresponding to the positioning reference signal is the same as the physical cell identifier corresponding to the first signal, and the frequency band where the positioning reference signal is located is the same as the frequency band where the first signal is located.

[0213] In one implementation, the fifth condition includes: the positioning reference signal comes from a non-serving cell, and the physical cell identifier corresponding to the positioning reference signal is the same as the physical cell identifier corresponding to the first signal. Optionally, the fifth condition further includes: the first signal comes from a non-serving cell.

[0214] In one implementation, the fifth condition includes: the positioning reference signal comes from a non-serving cell, the physical cell identifier corresponding to the positioning reference signal is the same as the physical cell identifier corresponding to the first signal, and the frequency band where the positioning reference signal is located is the same as the frequency band where the first signal is located. Optionally, the fifth condition further includes: the first signal comes from a non-serving cell.

[0215] For another example, the network device 701 is configured to send positioning reference signal configuration information, where the positioning reference signal configuration information is used to indicate that the positioning reference signal corresponding to the positioning reference signal configuration information comes from the serving cell, or is used to indicate that the positioning reference signal corresponding to the positioning reference signal configuration comes from a non-serving cell;

[0216] The terminal device 702 is configured to receive the positioning reference signal configuration information.

[0217] In one implementation, the positioning reference signal configuration information includes first indication information, where the first indication information is used to indicate that the positioning reference signal corresponding to the positioning reference signal configuration information comes from the serving cell, or is used to indicate that the positioning reference signal corresponding to the positioning reference signal configuration comes from a non-serving cell.

[0218] Optionally, as Figure 8As shown, it is a schematic structural diagram of a network device 820 and a terminal device 810 provided by an embodiment of the present application. The terminal device 820 includes a first terminal device and / or at least one second terminal device. Figure 8 The schematic structural diagram between the first terminal device and the at least one second terminal device is not shown. The network device 820 may be an access network device, such as a base station or a transmission point.

[0219] Among them, the terminal device 810 includes at least one processor ( Figure 8 exemplarily described by taking one processor 8101 as an example) and at least one transceiver ( Figure 8 exemplarily described by taking one transceiver 8103 as an example). Optionally, the terminal device 810 may further include at least one memory ( Figure 8 exemplarily described by taking one memory 8102 as an example), at least one output device ( Figure 8 exemplarily described by taking one output device 8104 as an example) and at least one input device ( Figure 8 exemplarily described by taking one input device 8105 as an example).

[0220] The processor 8101, the memory 8102 and the transceiver 8103 are connected by communication lines. The communication lines may include a path for transmitting information between the above components.

[0221] The processor 8101 may be a general-purpose central processing unit (CPU), a microprocessor, an application-specific integrated circuit (ASIC), or one or more integrated circuits for controlling the execution of the program of the present application solution.

[0222] The memory 8102 can be a read-only memory (ROM) or other types of static storage devices that can store static information and instructions, a random access memory (RAM) or other types of dynamic storage devices that can store information and instructions, or it can also be an electrically erasable programmable read-only memory (EEPROM), a compact disc read-only memory (CD-ROM) or other optical disc storage, optical disc storage (including compact discs, laser discs, optical discs, digital versatile discs, Blu-ray discs, etc.), magnetic disk storage media or other magnetic storage devices, or any other medium that can be used to carry or store the desired program code in the form of instructions or data structures and can be accessed by a computer, but is not limited thereto. The memory can exist independently and be connected to the processor through a communication line. The memory can also be integrated with the processor.

[0223] Among them, the memory 8102 is used to store computer execution instructions for implementing the solution of this application, and is controlled by the processor 8101 to execute. The processor 8101 is used to execute the computer execution instructions stored in the memory 8102, so as to implement the communication method provided in the following embodiments of this application.

[0224] Optionally, the computer execution instructions in the embodiments of this application can also be referred to as application program code or computer program code, and the embodiments of this application do not make specific limitations on this.

[0225] The output device 8104 communicates with the processor 8101 and can display information in various ways. For example, the output device 8104 can be a liquid crystal display (LCD), a light emitting diode (LED) display device, a cathode ray tube (CRT) display device, or a projector, etc. The input device 8105 communicates with the processor 8101 and can receive user input in various ways. For example, the input device 306 can be a mouse, a keyboard, a touch screen device, or a sensing device, etc.

[0226] The transceiver 8103 can use any transceiver-like device for communicating with other devices or communication networks, such as Ethernet, radio access network (RAN), or wireless local area networks (WLAN), etc. The transceiver 8103 includes a transmitter (Tx) and a receiver (Rx).

[0227] The memory 8102 can exist independently and be connected to the processor 8101 through a communication line. The memory 8102 can also be integrated with the processor 8101.

[0228] Among them, the memory 8102 is used to store computer execution instructions for executing the solution of this application, and is controlled by the processor 8101 for execution. Specifically, the processor 8101 is used to execute the computer execution instructions stored in the memory 8102, so as to implement the communication method described in the embodiments of this application.

[0229] Alternatively, optionally, in the embodiments of this application, it can also be that the processor 8101 executes the functions related to processing in the signal generation method provided in the following embodiments of this application, and the transceiver 8103 is responsible for communicating with other devices or communication networks. The embodiments of this application do not make specific limitations on this.

[0230] The network device 820 includes at least one processor ( Figure 8 exemplarily taking including one processor 8201 as an example for illustration), at least one transceiver ( Figure 8 exemplarily taking including one transceiver 8203 as an example for illustration) and at least one network interface ( Figure 8 exemplarily taking including one network interface 8204 as an example for illustration). Optionally, the network device 820 can also include at least one memory ( Figure 8 exemplarily taking including one memory 8202 as an example for illustration). Among them, the processor 8201, the memory 8202, the transceiver 8203 and the network interface 8204 are connected through a communication line. The network interface 8204 is used to connect to the core network device through a link (such as the S1 interface), or to connect to the network interface of other network devices through a wired or wireless link (such as the X2 interface) ( Figure 8 not shown in the figure), and the embodiments of this application do not make specific limitations on this. In addition, the relevant descriptions of the processor 8201, the memory 8202 and the transceiver 8203 can refer to the descriptions of the processor 8101, the memory 8102 and the transceiver 8103 in the terminal device 810, and will not be elaborated here.

[0231] It can be understood that Figure 8The structures shown do not specifically limit the terminal device 810 and the network device 820. For example, in some other embodiments of the present application, the terminal device 810 or the network device 820 may include more or fewer components than those shown in the figure, or combine certain components, or split certain components, or have different component arrangements. The components shown in the figure may be implemented in hardware, software, or a combination of software and hardware.

[0232] Based on the same technical concept as the above communication method, an embodiment of the present application also provides a communication device. As Figure 9 shown, the communication device 900 includes a processing unit 901 and a transceiver unit 902, and the communication device 900 can be used to implement the method described in the above method embodiments.

[0233] In one embodiment, the device 900 is applied to a terminal device.

[0234] Specifically, the transceiver unit 902 is configured to receive positioning reference signal configuration information;

[0235] The processing unit 901 is configured to, when the positioning reference signal configuration information includes a physical cell identifier and / or a cell global identifier, determine that the positioning reference signal corresponding to the positioning reference signal configuration information comes from a serving cell if a first condition is satisfied.

[0236] Whether the first condition is satisfied can be determined by the processing unit 901, that is, the processing unit 901 can determine that the first condition is satisfied and / or determine that the first condition is not satisfied. Correspondingly, for other conditions involved in the embodiments of the present application, such as the second condition, the third condition, the fourth condition, the fifth condition, etc., they can also be determined by the processing unit 901.

[0237] In one implementation manner, the processing unit 901 is further configured to, when the positioning reference signal configuration information includes a physical cell identifier and / or a cell global identifier, if a second condition is satisfied, the positioning reference signal corresponding to the positioning reference signal configuration information comes from a non-serving cell.

[0238] In one implementation manner, the processing unit 901 is further configured to determine that the positioning reference signal corresponding to the positioning reference signal configuration information is not associated with any cell when a third condition is satisfied, where the third condition includes that the positioning reference signal configuration information does not include a physical cell identifier and a cell global identifier.

[0239] In one implementation, the first condition includes: the physical cell identifier is the same as that of the serving cell, and the frequency band where the positioning reference signal is located is the same as the frequency band corresponding to the serving cell; and / or the physical cell identifier is the same as that of the serving cell; and / or the cell global identifier is the same as that of the serving cell.

[0240] For example, when determining whether the first condition is satisfied, the processing unit 901 may determine that the first condition is satisfied when the physical cell identifier in the positioning reference signal configuration information is the same as that of the serving cell, and the frequency band where the positioning reference signal corresponding to the positioning reference signal configuration information is located is the same as the frequency band corresponding to the serving cell.

[0241] In one implementation, the processing unit 901 is further configured to, when the positioning reference signal configuration information further includes an absolute radio frequency channel number (ARFCN), determine that the frequency band where the positioning reference signal is located is the same as the frequency band corresponding to the serving cell if the ARFCN included in the positioning reference signal configuration information is the same as the ARFCN of the serving cell.

[0242] In one implementation, the second condition is: not satisfying the first condition and not satisfying the third condition.

[0243] In one implementation, the transceiver unit 902 is further configured to receive first signal configuration information, where the first signal configuration information includes a physical cell identifier.

[0244] The processing unit 901 is further configured to, according to the physical cell identifier included in the first signal configuration information, determine that the positioning reference signal corresponding to the positioning reference signal configuration information and the first signal corresponding to the first signal configuration information come from the same serving cell when the fourth condition is satisfied, and determine that the positioning reference signal corresponding to the positioning reference signal configuration information and the first signal corresponding to the first signal configuration information come from the same non-serving cell when the fifth condition is satisfied.

[0245] In one implementation, the first signal is a synchronization signal block.

[0246] In one implementation, the fourth condition includes: the positioning reference signal comes from the serving cell, and the frequency band where the positioning reference signal is located is the same as the frequency band where the first signal is located. Optionally, the fourth condition further includes: the first signal comes from the serving cell.

[0247] In one implementation, in a possible implementation, the fourth condition includes: the positioning reference signal comes from the serving cell, and the physical cell identifier corresponding to the positioning reference signal is the same as the physical cell identifier corresponding to the first signal.

[0248] In one implementation, the fourth condition includes: the positioning reference signal comes from the serving cell, the physical cell identifier corresponding to the positioning reference signal is the same as the physical cell identifier corresponding to the first signal, and the frequency band where the positioning reference signal is located is the same as the frequency band where the first signal is located.

[0249] In one implementation, the fifth condition includes: the positioning reference signal comes from a non-serving cell, and the physical cell identifier corresponding to the positioning reference signal is the same as the physical cell identifier corresponding to the first signal. Optionally, the fifth signal further includes: the first signal comes from a non-serving cell.

[0250] In one implementation, the fifth condition includes: the positioning reference signal comes from a non-serving cell, the physical cell identifier corresponding to the positioning reference signal is the same as the physical cell identifier corresponding to the first signal, and the frequency band where the positioning reference signal is located is the same as the frequency band where the first signal is located. Optionally, the fifth signal further includes: the first signal comes from a non-serving cell.

[0251] It should be noted that the division of modules in the embodiments of the present application is illustrative, merely a logical function division. In actual implementation, there may be other division methods. In addition, in each embodiment of the present application, each functional unit may be integrated in a processing unit, may exist alone physically, or two or more units may be integrated in one unit. The above integrated unit may be implemented in the form of hardware or in the form of a software functional unit.

[0252] When the integrated unit is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer-readable storage medium. Based on this understanding, the technical solution of this application, in essence, or the part that contributes to the prior art, or all or part of this technical solution, can be embodied in the form of a software product. This computer software product is stored in a storage medium and includes several instructions to enable a computer device (which can be a personal computer, a server, or a network device, etc.) or a processor to execute all or part of the steps of the methods described in the various embodiments of this application. The aforementioned storage medium includes: various media that can store program codes, such as USB flash drives, mobile hard disks, read-only memories (ROMs), random access memories (RAMs), magnetic disks, or optical discs.

[0253] As Figure 10 shown, an embodiment of this application also provides a schematic structural diagram of a communication device 1000. The device 1000 can be used to implement the method described in the above method embodiment, and reference can be made to the description in the above method embodiment.

[0254] The device 1000 includes one or more processors 1001. The processor 1001 can be a general-purpose processor or a dedicated processor, etc. For example, it can be a baseband processor or a central processing unit. The baseband processor can be used to process communication protocols and communication data, and the central processing unit can be used to control a communication device (such as a base station, a terminal, or a chip, etc.), execute software programs, and process data of software programs. The communication device can include a transceiver unit to realize the input (reception) and output (transmission) of signals. For example, the transceiver unit can be a transceiver, a radio frequency chip, etc.

[0255] The device 1000 includes one or more of the processors 1001, and the one or more processors 1001 can implement the method in the above-mentioned embodiment.

[0256] Optionally, in addition to implementing the method in the above-mentioned embodiment, the processor 1001 can also implement other functions.

[0257] Optionally, in one design, the processor 1001 can execute instructions to enable the device 1000 to execute the method described in the above method embodiment. The instructions can be stored in whole or in part in the processor, such as instruction 1003, or can be stored in whole or in part in the memory 1002 coupled to the processor, such as instruction 1004. It can also be through instructions 1003 and 1004 together that enable the device 1000 to execute the method described in the above method embodiment.

[0258] In yet another possible design, the communication device 1000 may also include a circuit, and the circuit may implement the functions in the foregoing method embodiments.

[0259] In yet another possible design, the device 1000 may include one or more memories 1002, on which there are instructions 1004 that can be run on the processor, so that the device 1000 executes the methods described in the foregoing method embodiments. Optionally, data may also be stored in the memory. Optionally, instructions and / or data may also be stored in the processor. For example, the one or more memories 1002 may store the corresponding relationships described in the foregoing embodiments, or relevant parameters or tables involved in the foregoing embodiments, etc. The processor and the memory may be provided separately or integrated together.

[0260] In yet another possible design, the device 1000 may further include a transceiver 1005 and an antenna 1006. The processor 1001 may be referred to as a processing unit to control the device (terminal or base station). The transceiver 1005 may be referred to as a transceiver, a transceiver circuit, or a transceiver unit, etc., and is used to implement the transceiver function of the device through the antenna 1006.

[0261] It should be noted that the processor in the embodiments of the present application may be an integrated circuit chip with signal processing capabilities. In the implementation process, the steps of the foregoing method embodiments may be completed by the integrated logic circuit in the hardware of the processor or by instructions in software form. The foregoing processor may be a general-purpose processor, a digital signal processor (DSP), an application specific integrated circuit (ASIC), a field programmable gate array (FPGA), or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components. It can implement or execute the various methods, steps, and logic block diagrams disclosed in the embodiments of the present application. The general-purpose processor may be a microprocessor or the processor may also be any conventional processor, etc. The steps of the method disclosed in combination with the embodiments of the present application may be directly embodied as being executed and completed by a hardware decoding processor, or by a combination of hardware and software modules in the decoding processor. The software module may be located in a mature storage medium in the art such as a random access memory, a flash memory, a read-only memory, a programmable read-only memory, or an electrically erasable programmable memory, a register, etc. This storage medium is located in the memory, and the processor reads the information in the memory and combines its hardware to complete the steps of the foregoing method.

[0262] It can be understood that the memory in the embodiments of the present application can be a volatile memory or a non-volatile memory, or can include both volatile and non-volatile memories. Among them, the non-volatile memory can be a read-only memory (ROM), a programmable read-only memory (PROM), an erasable programmable read-only memory (EPROM), an electrically erasable programmable read-only memory (EEPROM), or a flash memory. The volatile memory can be a random access memory (RAM), which is used as an external cache. By way of example but not limitation, many forms of RAM are available, such as static random access memory (SRAM), dynamic random access memory (DRAM), synchronous dynamic random access memory (SDRAM), double data rate synchronous dynamic random access memory (DDR SDRAM), enhanced synchronous dynamic random access memory (ESDRAM), synchlink dynamic random access memory (SLDRAM), and direct rambus random access memory (DR RAM). It should be noted that the memory of the systems and methods described herein is intended to include, but is not limited to, these and any other suitable types of memory.

[0263] The embodiments of the present application also provide a computer-readable medium, on which a computer program is stored, and when the computer program is executed by a computer, the communication method described in any one of the above method embodiments is implemented.

[0264] The embodiments of the present application also provide a computer program product, and when the computer program product is executed by a computer, the communication method described in any one of the above method embodiments is implemented.

[0265] In the above embodiments, it can be implemented in whole or in part by software, hardware, firmware, or any combination thereof. When implemented using software, it can be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer instructions. When the computer instructions are loaded and executed on a computer, the processes or functions described in the embodiments of the present application are generated in whole or in part. The computer can be a general-purpose computer, a special-purpose computer, a computer network, or other programmable devices. The computer instructions can be stored in a computer-readable storage medium, or transmitted from one computer-readable storage medium to another. For example, the computer instructions can be transmitted from one website, computer, server, or data center to another website, computer, server, or data center by wire (such as coaxial cable, optical fiber, Digital Subscriber Line (DSL)) or wirelessly (such as infrared, wireless, microwave, etc.). The computer-readable storage medium can be any available medium that can be accessed by a computer, or a data storage device such as a server or data center that includes one or more integrated available media. The available medium can be a magnetic medium (such as a floppy disk, hard disk, magnetic tape), an optical medium (such as a Digital Video Disc (DVD)), or a semiconductor medium (such as a Solid State Disk (SSD)), etc.

[0266] An embodiment of the present application further provides a processing device, including a processor and an interface; the processor is configured to execute the communication method described in any of the above method embodiments.

[0267] It should be understood that the above processing device can be a chip. The processor can be implemented by hardware or by software. When implemented by hardware, the processor can be a logic circuit, an integrated circuit, etc.; when implemented by software, the processor can be a general-purpose processor that implements by reading software code stored in a memory. The memory can be integrated in the processor or can exist independently outside the processor.

[0268] Those of ordinary skill in the art can realize that the units and algorithm steps of the examples described in combination with the embodiments disclosed herein can be implemented by electronic hardware, computer software, or a combination of the two. To clearly illustrate the interchangeability of hardware and software, the components and steps of the examples have been generally described according to their functions in the above description. Whether these functions are executed in a hardware or software manner depends on the specific application and design constraints of the technical solution. Professional technicians can use different methods to implement the described functions for each specific application, but such implementation should not be considered to exceed the scope of the present application.

[0269] Those skilled in the art can clearly understand that for the convenience and brevity of description, the specific working processes of the systems, devices, and units described above can refer to the corresponding processes in the foregoing method embodiments and will not be elaborated herein.

[0270] In several embodiments provided in the present application, it should be understood that the disclosed systems, devices, and methods can be implemented in other ways. For example, the device embodiments described above are merely illustrative. For example, the division of units is only a logical function division, and there may be other division methods in actual implementation. For example, multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. In addition, the displayed or discussed mutual coupling or direct coupling or communication connection can be an indirect coupling or communication connection through some interfaces, devices, or units, and can also be in the form of electrical, mechanical, or other connections.

[0271] The units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they can be located in one place or distributed to multiple network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiments of the present application.

[0272] In addition, the functional units in various embodiments of the present application can be integrated in a processing unit, or each unit can exist physically alone, or two or more units can be integrated in one unit. The above-mentioned integrated units can be implemented in the form of hardware or in the form of software functional units.

[0273] Through the description of the above embodiments, those skilled in the art can clearly understand that the present application can be implemented by hardware, firmware, or a combination thereof. When implemented using software, the above functions can be stored in a computer-readable medium or transmitted as one or more instructions or codes on a computer-readable medium. The computer-readable medium includes computer storage media and communication media, where the communication media includes any medium that facilitates the transfer of a computer program from one place to another. The storage media can be any available medium that can be accessed by a computer. By way of example but not limitation: the computer-readable medium can include RAM, ROM, EEPROM, CD-ROM, or other optical disc storage, magnetic disk storage media, or other magnetic storage devices, or any other medium that can be used to carry or store the desired program code in the form of instructions or data structures and can be accessed by a computer. Additionally, any connection can appropriately be a computer-readable medium. For example, if software is transmitted using coaxial cable, fiber optic cable, twisted pair, digital subscriber line (DSL), or wireless technologies such as infrared, radio, and microwave from a website, server, or other remote source, then the coaxial cable, fiber optic cable, twisted pair, DSL, or wireless technologies such as infrared, radio, and microwave are included in the definition of the medium. As used in this application, disk and disc include compact disc (CD), laser disc, optical disc, digital versatile disc (DVD), floppy disk, and Blu-ray disc, where disks typically reproduce data magnetically, while discs reproduce data optically with a laser. The above combinations should also be included within the scope of protection of the computer-readable medium.

[0274] In summary, the above description is only a preferred embodiment of the technical solution of the present application and is not intended to limit the protection scope of the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included within the protection scope of the present application.

Claims

1. A communication method, characterized in that, Applied to a terminal device or a chip of a terminal device, the method includes: Receiving positioning reference signal configuration information; When the positioning reference signal configuration information includes a physical cell identifier and / or a cell global identifier, if a first condition is satisfied, determining that the positioning reference signal corresponding to the positioning reference signal configuration information comes from a serving cell; Wherein, the first condition includes: one or more parameters among the physical cell identifier, cell global identifier, and absolute radio frequency channel number included in the positioning reference signal configuration information are the same as the corresponding one or more parameters among the physical cell identifier, cell global identifier, and absolute radio frequency channel number of the serving cell.

2. The method according to claim 1, wherein One or more parameters among the physical cell identifier, cell global identifier, and absolute radio frequency channel number included in the positioning reference signal configuration information being the same as the corresponding one or more parameters among the physical cell identifier, cell global identifier, and absolute radio frequency channel number of the serving cell includes at least one of the following conditions: When the positioning reference signal configuration information includes the physical cell identifier, the physical cell identifier is the same as the physical cell identifier of the serving cell; When the positioning reference signal configuration information includes the cell global identifier, the cell global identifier is the same as the cell global identifier of the serving cell; When the positioning reference signal configuration information includes the physical cell identifier and the cell global identifier, the physical cell identifier is the same as the physical cell identifier of the serving cell, and the cell global identifier is the same as the cell global identifier of the serving cell; When the positioning reference signal configuration information includes the physical cell identifier and the absolute radio frequency channel number, the physical cell identifier is the same as the physical cell identifier of the serving cell, and the absolute radio frequency channel number is the same as the absolute radio frequency channel number of the serving cell; When the positioning reference signal configuration information includes the cell global identifier and the absolute radio frequency channel number, the cell global identifier is the same as the cell global identifier of the serving cell, and the absolute radio frequency channel number is the same as the absolute radio frequency channel number of the serving cell; or When the positioning reference signal configuration information includes the physical cell identifier, the cell global identifier, and the absolute radio frequency channel number, the physical cell identifier is the same as the physical cell identifier of the serving cell, the cell global identifier is the same as the cell global identifier of the serving cell, and the absolute radio frequency channel number is the same as the absolute radio frequency channel number of the serving cell.

3. The method according to claim 1, wherein The method further includes: When the positioning reference signal configuration information includes the physical cell identifier and / or the cell global identifier, if the first condition is not satisfied and a third condition is not satisfied, determining that the positioning reference signal corresponding to the positioning reference signal configuration information comes from a non-serving cell, where the third condition includes: the positioning reference signal configuration information does not include a physical cell identifier and a cell global identifier.

4. The method according to claim 3, wherein The method further includes: Receiving first signal configuration information, where the first signal configuration information includes a physical cell identifier; If the positioning reference signal comes from a non-serving cell, and the physical cell identifier included in the positioning reference signal configuration information is the same as the physical cell identifier included in the first signal configuration information, and the frequency band where the positioning reference signal is located is the same as the frequency band where the first signal corresponding to the first signal configuration information is located, it is determined that the positioning reference signal and the first signal come from the same non-serving cell.

5. The method according to claim 4, wherein The first signal is a synchronization signal block.

6. The method according to claim 1, wherein The method further includes: Receiving first signal configuration information, where the first signal configuration information includes a physical cell identifier; If the positioning reference signal corresponding to the positioning reference signal configuration information comes from a serving cell, and the physical cell identifier corresponding to the positioning reference signal is the same as the physical cell identifier included in the first signal configuration information, it is determined that the positioning reference signal and the first signal corresponding to the first signal configuration information come from the same serving cell.

7. The method according to claim 1, characterized in that, The method further includes: Receiving first signal configuration information, where the first signal configuration information includes a physical cell identifier; If the positioning reference signal corresponding to the positioning reference signal configuration information comes from a serving cell, the physical cell identifier corresponding to the positioning reference signal is the same as the physical cell identifier included in the first signal configuration information, and the frequency band where the positioning reference signal is located is the same as the frequency band where the first signal corresponding to the first signal configuration information is located, it is determined that the positioning reference signal and the first signal come from the same serving cell.

8. A communication device, characterized in that, It includes a processing unit and a transceiver unit; The transceiver unit is configured to receive positioning reference signal configuration information; The processing unit is configured to, when the positioning reference signal configuration information includes a physical cell identifier and / or a cell global identifier, if a first condition is satisfied, determine that the positioning reference signal corresponding to the positioning reference signal configuration information comes from a serving cell; Wherein, the first condition includes: one or more parameters among the physical cell identifier, cell global identifier, and absolute radio frequency channel number included in the positioning reference signal configuration information are the same as the corresponding one or more parameters among the physical cell identifier, cell global identifier, and absolute radio frequency channel number of the serving cell.

9. The device according to claim 8, characterized in that, That one or more parameters among the physical cell identifier, cell global identifier, and absolute radio frequency channel number included in the positioning reference signal configuration information are the same as the corresponding one or more parameters among the physical cell identifier, cell global identifier, and absolute radio frequency channel number of the serving cell includes at least one of the following conditions: When the positioning reference signal configuration information includes the physical cell identifier, the physical cell identifier is the same as the physical cell identifier of the serving cell; When the positioning reference signal configuration information includes the cell global identifier, the cell global identifier is the same as the cell global identifier of the serving cell; When the positioning reference signal configuration information includes the physical cell identifier and the cell global identifier, the physical cell identifier is the same as the physical cell identifier of the serving cell, and the cell global identifier is the same as the cell global identifier of the serving cell; When the positioning reference signal configuration information includes the physical cell identifier and the absolute radio frequency channel number, the physical cell identifier is the same as that of the serving cell, and the absolute radio frequency channel number is the same as that of the serving cell; When the positioning reference signal configuration information includes the cell global identifier and the absolute radio frequency channel number, the cell global identifier is the same as that of the serving cell, and the absolute radio frequency channel number is the same as that of the serving cell; When the positioning reference signal configuration information includes the physical cell identifier, the cell global identifier and the absolute radio frequency channel number, the physical cell identifier is the same as that of the serving cell, the cell global identifier is the same as that of the serving cell, and the absolute radio frequency channel number is the same as that of the serving cell.

10. The device according to claim 8, characterized in that, The processing unit is further configured to, when the positioning reference signal configuration information includes the physical cell identifier and / or the cell global identifier, if the first condition is not satisfied and the third condition is not satisfied, determine that the positioning reference signal corresponding to the positioning reference signal configuration information comes from a non-serving cell, where the third condition includes: the positioning reference signal configuration information does not include the physical cell identifier and the cell global identifier.

11. The device according to claim 10, characterized in that, The transceiver unit is further configured to receive first signal configuration information, where the first signal configuration information includes a physical cell identifier; The processing unit is further configured to, if the positioning reference signal comes from a non-serving cell, the physical cell identifier included in the positioning reference signal configuration information is the same as the physical cell identifier included in the first signal configuration information, and the frequency band where the positioning reference signal is located is the same as the frequency band of the first signal corresponding to the first signal configuration information, determine that the positioning reference signal and the first signal come from the same non-serving cell.

12. The device according to claim 11, wherein, The first signal is a synchronization signal block.

13. The device according to claim 8, characterized in that, The transceiver unit is further configured to receive first signal configuration information, where the first signal configuration information includes a physical cell identifier; The processing unit is further configured to, if the positioning reference signal corresponding to the positioning reference signal configuration information comes from a serving cell, and the physical cell identifier corresponding to the positioning reference signal is the same as the physical cell identifier included in the first signal configuration information, determine that the positioning reference signal and the first signal corresponding to the first signal configuration information come from the same serving cell.

14. The device according to claim 8, characterized in that, The transceiver unit is further configured to receive first signal configuration information, where the first signal configuration information includes a physical cell identifier; The processing unit is further configured to, if the positioning reference signal corresponding to the positioning reference signal configuration information comes from a serving cell, the physical cell identifier corresponding to the positioning reference signal is the same as the physical cell identifier included in the first signal configuration information, and the frequency band where the positioning reference signal is located is the same as the frequency band of the first signal corresponding to the first signal configuration information, determine that the positioning reference signal and the first signal come from the same serving cell.

15. A communication device, characterized in that, Comprising a processor and a memory, the processor is coupled to the memory; The memory stores a computer program; A processor for executing a computer program stored in the memory, so that the device executes the method according to any one of claims 1-7.

16. A computer-readable storage medium, characterized in that, Comprising a program or instructions, when the program or instructions are run on a computer, the method according to any one of claims 1-7 is executed.

17. A chip, characterized in that, The chip includes a processor and an interface. The chip is coupled to the memory and is configured to read and execute program instructions stored in the memory to execute the method according to any one of claims 1-7.

18. A computer program product, characterized in that, Comprising computer program code, when the computer program code is run on a computer, the method according to any one of claims 1-7 is executed.

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