Communication method, communication device, communication system, communication apparatus, storage medium, and program product

Abstract

This application provides a communication method, communication device, communication system, communication equipment, storage medium, and program product, relating to the technical fields of wireless communication. A network device determines a first PTRS resource configured for a terminal device and sends first indication information to the terminal device. The first indication information indicates first offset information, which is used by the terminal device to receive PTRS on a second PTRS resource. The second PTRS resource is a PTRS resource offset from the first PTRS resource according to the first offset information. The communication method, communication device, communication system, communication equipment, storage medium, and program product provided by this application can reduce air interface overhead and save air interface resources in the process of resolving resource conflicts of the first PTRS resource.

Description

Technical Field

[0001] This application relates to the technical fields of wireless communication, and in particular to a communication method, communication device, communication system, communication equipment, storage medium, and program product. Background Technology

[0002] The New Radio (NR) system introduces a phase-tracking reference signal (PTRS), which can be used by the transmitter and receiver to correct interference caused by crystal oscillator phase errors, as well as to suppress phase noise and phase errors in the frequency domain.

[0003] In related technologies, the PTRS resource mapping method is not fixed, which leads to resource conflicts between the time-frequency resources of PTRS and the time-frequency resources of periodically transmitted signals in some scenarios. Summary of the Invention

[0004] This application provides a communication method, communication device, communication system, communication equipment, storage medium, and program product to resolve the resource conflict between the time-frequency resources of PTRS and the time-frequency resources of periodically transmitted signals.

[0005] In a first aspect, embodiments of this application provide a communication method applied to a network device, the method comprising:

[0006] The first phase tracking reference signal (PTRS) resource configured for the terminal device is determined.

[0007] Send first instruction information to the terminal device;

[0008] Wherein, the first indication information is used to indicate the first offset information, the first offset information is used by the terminal device to receive PTRS on the second PTRS resource, and the second PTRS resource is the PTRS resource after offsetting the first PTRS resource according to the first offset information.

[0009] In the above technical solution, the network device can perform offset processing on the first PTRS resource using the first offset information to obtain the second PTRS resource, thereby resolving the resource conflict problem of the first PTRS resource. In this process, the network device does not need to pre-configure multiple sets of PTRS parameter sets for the terminal device. Instead, it accurately indicates the first offset information of the first PTRS resource to the terminal device through the display notification method of the first indication information. This allows the terminal device to quickly determine the second PTRS resource based on the first offset information and the first PTRS resource, and correctly receive PTRS through the second PTRS resource. This helps to reduce air interface overhead and save air interface resources.

[0010] In some embodiments, the first PTRS resource and the second PTRS resource satisfy the following conditions:

[0011] Relevant conditions for resource quantity;

[0012] Density-related conditions;

[0013] Relevant conditions for time-domain interval;

[0014] The relevant conditions of the resource set occupied.

[0015] In the above technical solution, by controlling the conditions satisfied by the first PTRS resource and the second PTRS resource, it is possible to ensure that the resource quantity, density, time domain interval between PTRS and DMRS, and the resource set occupied by PTRS are consistent before and after the offset processing. This is beneficial to ensuring the phase tracking accuracy of PTRS and the throughput of terminal equipment after the offset processing.

[0016] In some embodiments, the relevant conditions for the resource quantity include: the time-domain resource quantity in the first PTRS resource is the same as the time-domain resource quantity in the second PTRS resource, and the frequency-domain resource quantity in the first PTRS resource is the same as the frequency-domain resource quantity in the second PTRS resource; or,

[0017] The density-related conditions include: the density of the first PTRS resource in the time domain is the same as the density of the second PTRS resource in the time domain, and the density of the first PTRS resource in the frequency domain is the same as the density of the second PTRS resource in the frequency domain; or,

[0018] The relevant conditions for the time-domain interval include: the time-domain interval between the first PTRS resource and the demodulation reference signal DMRS is the same as the time-domain interval between the second PTRS resource and the DMRS; or...

[0019] The relevant conditions for the resource set occupied include: the resource set occupied by the first PTRS resource is the same as the resource set occupied by the second PTRS resource.

[0020] The above technical solution provides detailed explanations of the relevant conditions for resource quantity, density, time interval, and resource set, so that network devices can accurately determine the second PTRS resource based on the resource quantity and density of PTRS before and after offset processing, as well as the time interval and resource set between PTRS and DMRS, to ensure the phase tracking accuracy of PTRS after offset processing and the throughput of terminal devices, thereby improving the user experience.

[0021] In some embodiments, the first offset information includes the frequency domain offset direction and the frequency domain offset amount.

[0022] In the above technical solution, the network device can indicate the frequency domain offset direction and frequency domain offset amount of the first PTRS resource to the terminal device through the first offset information, so that the terminal device can quickly determine the second PTRS resource.

[0023] In some embodiments, the first offset information includes a sign and a value, wherein the sign is used to indicate the frequency domain offset direction, the value is used to indicate the frequency domain offset amount, and the value is a positive number.

[0024] In the above technical solution, the first offset information can be presented in the form of symbols and numerical values ​​to simplify the presentation of the first offset information.

[0025] In some embodiments, the symbol is a positive sign or a negative sign, wherein,

[0026] The positive sign indicates that the frequency domain offset direction is the frequency domain increasing direction, and the negative sign indicates that the frequency domain offset direction is the frequency domain decreasing direction; or...

[0027] The positive sign indicates that the frequency domain offset direction is the frequency domain decreasing direction, and the negative sign indicates that the frequency domain offset direction is the frequency domain increasing direction.

[0028] In the above technical solution, the network device can indicate the frequency domain offset direction corresponding to the type of symbol (positive or negative) to the terminal device, thereby simplifying the indication method of the frequency domain offset direction.

[0029] In some embodiments, the first indication information is used to indicate the order of the first offset information in the offset information set, which includes multiple offset information.

[0030] In the above technical solution, the network device can also send first indication information to the terminal device so that the terminal device can quickly determine the order of the first offset information in the offset information set according to the first indication information, so that the terminal device can accurately query the first offset information in the offset information set according to the order.

[0031] In some embodiments, the method further includes:

[0032] Configuration information is sent to the terminal device, the configuration information being used to indicate the offset information set.

[0033] In the above technical solution, the network device can send configuration information to the terminal device so that the terminal device can quickly determine the offset information set through the configuration information. In order to enable the terminal device to quickly determine the first offset information according to the first indication information sent by the network device and the offset information set indicated by the configuration information when there is a resource conflict in the first PTRS resource, the terminal device can quickly determine the first offset information according to the first indication information sent by the network device and the offset information set indicated by the configuration information.

[0034] In some embodiments, sending configuration information to the terminal device includes:

[0035] Send a Radio Resource Control (RRC) message to the terminal device, the RRC message including the configuration information.

[0036] In the above technical solution, the configuration information can be carried in an RRC message to avoid introducing new signals.

[0037] In some embodiments, there is a mapping relationship between the multiple indication messages sent to the terminal device and the order of the multiple offset messages in the offset message set;

[0038] The plurality of indication information includes the first indication information, and the plurality of offset information includes the first offset information.

[0039] In the above technical solution, the mapping relationship can be agreed upon by the terminal device and the network device, so that after the network device sends the first indication information to the terminal device, the terminal device can quickly and accurately determine the first offset information based on the mapping relationship, the first indication information and the offset information set.

[0040] In some embodiments, there is a mapping relationship between multiple indication messages sent to the terminal device and multiple offset messages;

[0041] The plurality of indication information includes the first indication information, and the plurality of offset information includes the first offset information.

[0042] In the above technical solution, the mapping relationship can be agreed upon by the terminal device and the network device, so that after the network device sends the first indication information to the terminal device, the terminal device can quickly and accurately determine the first offset information based on the mapping relationship and the first indication information.

[0043] In some embodiments, sending first indication information to the terminal device includes:

[0044] Downlink control information (DCI) is sent to the terminal device, and the DCI includes the first indication information.

[0045] In the above technical solution, the first indication information can be carried in the DCI to avoid introducing new signals.

[0046] Secondly, embodiments of this application provide a communication method applied to a terminal device, the method comprising:

[0047] Receive first indication information, the first indication information being used to indicate first offset information;

[0048] Based on the first indication information and the first phase tracking reference signal (PTRS) resource, a second PTRS resource is determined. The first PTRS resource is the PTRS resource configured by the network device for the terminal device, and the second PTRS resource is the PTRS resource after offsetting the first PTRS resource according to the first offset information.

[0049] Receive PTRS on the second PTRS resource.

[0050] In the above technical solution, the terminal device does not need to obtain multiple sets of PTRS parameter sets configured by the network device. Instead, it quickly determines the first offset information of the first PTRS resource through the first indication information sent by the network device, and determines the second PTRS resource obtained after offset processing of the first PTRS resource based on the first offset information. It also correctly receives PTRS through the second PTRS resource. This reduces air interface overhead and saves air interface resources while resolving the resource conflict problem of the first PTRS resource.

[0051] In some embodiments, the first PTRS resource and the second PTRS resource satisfy the following conditions:

[0052] Relevant conditions for resource quantity;

[0053] Density-related conditions;

[0054] Relevant conditions for time-domain interval;

[0055] The relevant conditions of the resource set occupied.

[0056] In some embodiments, the relevant conditions for the resource quantity include: the time-domain resource quantity in the first PTRS resource is the same as the time-domain resource quantity in the second PTRS resource, and the frequency-domain resource quantity in the first PTRS resource is the same as the frequency-domain resource quantity in the second PTRS resource; or,

[0057] The density-related conditions include: the density of the first PTRS resource in the time domain is the same as the density of the second PTRS resource in the time domain, and the density of the first PTRS resource in the frequency domain is the same as the density of the second PTRS resource in the frequency domain; or,

[0058] The relevant conditions for the time-domain interval include: the time-domain interval between the first PTRS resource and the demodulation reference signal DMRS is the same as the time-domain interval between the second PTRS resource and the DMRS; or...

[0059] The relevant conditions for the resource set occupied include: the resource set occupied by the first PTRS resource is the same as the resource set occupied by the second PTRS resource.

[0060] In some embodiments, the first offset information includes the frequency domain offset direction and the frequency domain offset amount.

[0061] In some embodiments, the first offset information includes a sign and a value, wherein the sign is used to indicate the frequency domain offset direction, the value is used to indicate the frequency domain offset amount, and the value is a positive number.

[0062] In some embodiments, the symbol is a positive sign or a negative sign, wherein,

[0063] The positive sign indicates that the frequency domain offset direction is the frequency domain increasing direction, and the negative sign indicates that the frequency domain offset direction is the frequency domain decreasing direction; or...

[0064] The positive sign indicates that the frequency domain offset direction is the frequency domain decreasing direction, and the negative sign indicates that the frequency domain offset direction is the frequency domain increasing direction.

[0065] In some embodiments, the first indication information is used to indicate the order of the first offset information in the offset information set, which includes multiple offset information.

[0066] In some embodiments, configuration information sent by a network device is received, the configuration information being used to indicate the offset information set.

[0067] In some embodiments, receiving configuration information sent by a network device includes:

[0068] The network device receives a Radio Resource Control (RRC) message, which includes the configuration information.

[0069] In some embodiments, there is a mapping relationship between the order of multiple indication messages sent by the network device and multiple offset messages in the offset message set; wherein the multiple indication messages include the first indication message and the multiple offset messages include the first offset message.

[0070] In some embodiments, there is a mapping relationship between multiple indication messages sent by the received network device and multiple offset messages; wherein, the multiple indication messages include the first indication message, and the multiple offset messages include the first offset message.

[0071] In some embodiments, receiving first indication information includes:

[0072] Receive downlink control information (DCI), the DCI including the first indication information.

[0073] Thirdly, embodiments of this application provide a communication device applied to a network device, comprising:

[0074] The processing module is used to determine the first phase tracking reference signal (PTRS) resource configured for the terminal device;

[0075] The transceiver module is used to send first instruction information to the terminal device;

[0076] Wherein, the first indication information is used to indicate the first offset information, the first offset information is used by the terminal device to receive PTRS on the second PTRS resource, and the second PTRS resource is the PTRS resource after offsetting the first PTRS resource according to the first offset information.

[0077] In some embodiments, the first PTRS resource and the second PTRS resource satisfy the following conditions:

[0078] Relevant conditions for resource quantity;

[0079] Density-related conditions;

[0080] Relevant conditions for time-domain interval;

[0081] The relevant conditions of the resource set occupied.

[0082] In some embodiments, the relevant conditions for the resource quantity include: the time-domain resource quantity in the first PTRS resource is the same as the time-domain resource quantity in the second PTRS resource, and the frequency-domain resource quantity in the first PTRS resource is the same as the frequency-domain resource quantity in the second PTRS resource; or,

[0083] The density-related conditions include: the density of the first PTRS resource in the time domain is the same as the density of the second PTRS resource in the time domain, and the density of the first PTRS resource in the frequency domain is the same as the density of the second PTRS resource in the frequency domain; or,

[0084] The relevant conditions for the time-domain interval include: the time-domain interval between the first PTRS resource and the demodulation reference signal DMRS is the same as the time-domain interval between the second PTRS resource and the DMRS; or...

[0085] The relevant conditions for the resource set occupied include: the resource set occupied by the first PTRS resource is the same as the resource set occupied by the second PTRS resource.

[0086] In some embodiments, the first offset information includes the frequency domain offset direction and the frequency domain offset amount.

[0087] In some embodiments, the first offset information includes a sign and a value, wherein the sign is used to indicate the frequency domain offset direction, the value is used to indicate the frequency domain offset amount, and the value is a positive number.

[0088] In some embodiments, the symbol is a positive sign or a negative sign, wherein,

[0089] The positive sign indicates that the frequency domain offset direction is the frequency domain increasing direction, and the negative sign indicates that the frequency domain offset direction is the frequency domain decreasing direction; or...

[0090] The positive sign indicates that the frequency domain offset direction is the frequency domain decreasing direction, and the negative sign indicates that the frequency domain offset direction is the frequency domain increasing direction.

[0091] In some embodiments, the first indication information is used to indicate the order of the first offset information in the offset information set, which includes multiple offset information.

[0092] In some embodiments, the transceiver module is further configured to:

[0093] Configuration information is sent to the terminal device, the configuration information being used to indicate the offset information set.

[0094] In some embodiments, the transceiver module is specifically used for:

[0095] Send a Radio Resource Control (RRC) message to the terminal device, the RRC message including the configuration information.

[0096] In some embodiments, there is a mapping relationship between the multiple indication messages sent to the terminal device and the order of the multiple offset messages in the offset message set;

[0097] The plurality of indication information includes the first indication information, and the plurality of offset information includes the first offset information.

[0098] In some embodiments, there is a mapping relationship between multiple indication messages sent to the terminal device and multiple offset messages;

[0099] The plurality of indication information includes the first indication information, and the plurality of offset information includes the first offset information.

[0100] In some embodiments, the transceiver module is further configured to:

[0101] Downlink control information (DCI) is sent to the terminal device, and the DCI includes the first indication information.

[0102] Fourthly, embodiments of this application provide a communication device applied to a terminal device, comprising:

[0103] The transceiver module is used to receive first indication information, which is used to indicate first offset information;

[0104] The processing module is configured to determine a second PTRS resource based on the first offset information and the first phase tracking reference signal (PTRS) resource, wherein the first PTRS resource is a PTRS resource configured by the network device for the terminal device, and the second PTRS resource is a PTRS resource offset from the first PTRS resource based on the first offset information.

[0105] The processing module is also configured to receive PTRS on the second PTRS resource.

[0106] In some embodiments, the first PTRS resource and the second PTRS resource satisfy the following conditions:

[0107] Relevant conditions for resource quantity;

[0108] Density-related conditions;

[0109] Relevant conditions for time-domain interval;

[0110] The relevant conditions of the resource set occupied.

[0111] In some embodiments, the relevant conditions for the resource quantity include: the time-domain resource quantity in the first PTRS resource is the same as the time-domain resource quantity in the second PTRS resource, and the frequency-domain resource quantity in the first PTRS resource is the same as the frequency-domain resource quantity in the second PTRS resource; or,

[0112] The density-related conditions include: the density of the first PTRS resource in the time domain is the same as the density of the second PTRS resource in the time domain, and the density of the first PTRS resource in the frequency domain is the same as the density of the second PTRS resource in the frequency domain; or,

[0113] The relevant conditions for the time-domain interval include: the time-domain interval between the first PTRS resource and the demodulation reference signal DMRS is the same as the time-domain interval between the second PTRS resource and the DMRS; or...

[0114] The relevant conditions for the resource set occupied include: the resource set occupied by the first PTRS resource is the same as the resource set occupied by the second PTRS resource.

[0115] In some embodiments, the first offset information includes the frequency domain offset direction and the frequency domain offset amount.

[0116] In some embodiments, the first offset information includes a sign and a value, wherein the sign is used to indicate the frequency domain offset direction, the value is used to indicate the frequency domain offset amount, and the value is a positive number.

[0117] In some embodiments, the symbol is a positive sign or a negative sign, wherein,

[0118] The positive sign indicates that the frequency domain offset direction is the frequency domain increasing direction, and the negative sign indicates that the frequency domain offset direction is the frequency domain decreasing direction; or...

[0119] The positive sign indicates that the frequency domain offset direction is the frequency domain decreasing direction, and the negative sign indicates that the frequency domain offset direction is the frequency domain increasing direction.

[0120] In some embodiments, the first indication information is used to indicate the order of the first offset information in the offset information set, which includes multiple offset information.

[0121] In some embodiments, the transceiver module is further configured to:

[0122] The system receives configuration information sent by a network device, the configuration information being used to indicate the offset information set.

[0123] In some embodiments, the transceiver module is specifically used for:

[0124] The network device receives a Radio Resource Control (RRC) message, which includes the configuration information.

[0125] In some embodiments, there is a mapping relationship between the multiple indication messages received from the network device and the order of the multiple offset messages in the offset message set;

[0126] The plurality of indication information includes the first indication information, and the plurality of offset information includes the first offset information.

[0127] In some embodiments, there is a mapping relationship between multiple indication information sent by the network device and multiple offset information;

[0128] The plurality of indication information includes the first indication information, and the plurality of offset information includes the first offset information.

[0129] In some embodiments, the transceiver module is further configured to:

[0130] Receive downlink control information (DCI), the DCI including the first indication information.

[0131] Fifthly, embodiments of this application provide a communication system, including network equipment and terminal equipment;

[0132] The network device is used to perform the communication method described in any one of the first aspects;

[0133] The terminal device is used to perform the communication method described in any of the second aspects.

[0134] Sixthly, embodiments of this application provide a communication device, including: a memory and a processor.

[0135] The memory stores computer-executed instructions;

[0136] The processor executes computer execution instructions stored in the memory to implement the communication method as described in any of the first aspects.

[0137] Seventhly, embodiments of this application provide a communication device, including a memory and a processor.

[0138] The memory stores computer-executed instructions;

[0139] The processor executes computer execution instructions stored in the memory to implement the communication method as described in any of the second aspects.

[0140] Eighthly, embodiments of this application provide a storage medium storing instructions that, when executed on a communication device, are used to implement the communication method as described in any of the first aspects.

[0141] Ninthly, embodiments of this application provide a storage medium storing instructions that, when executed on the instruction communication device, are used to implement the communication method as described in any of the second aspects.

[0142] In a tenth aspect, embodiments of this application provide a computer program product, including a program and / or instructions, which, when executed by a communication device, cause the communication device to perform the communication method as described in any of the first aspects.

[0143] Eleventhly, embodiments of this application provide a computer program product, including a program and / or instructions, which, when executed by a communication device, cause the communication device to perform the communication method as described in any of the second aspects.

[0144] The communication method, communication device, communication system, communication equipment, storage medium, and program product provided in this application embodiment allow a network device to determine a first PTRS resource configured for a terminal device and obtain a second PTRS resource by offsetting the first PTRS resource using first offset information, thereby resolving resource conflicts of the first PTRS resource. In this process, the network device does not need to pre-configure multiple PTRS parameter sets for the terminal device. Instead, it accurately indicates the first offset information of the first PTRS resource to the terminal device through a display notification method using first indication information. This allows the terminal device to quickly determine the second PTRS resource based on the first offset information and the first PTRS resource, and correctly receive PTRS through the second PTRS resource, which helps reduce air interface overhead and save air interface resources. Attached Figure Description

[0145] The accompanying drawings, which are incorporated in and form part of this specification, illustrate embodiments consistent with this application and, together with the description, serve to explain the principles of this application.

[0146] Figure 1 This application provides a schematic diagram of the architecture of a communication system.

[0147] Figure 2 A schematic diagram illustrating a resource conflict scenario provided in an embodiment of this application;

[0148] Figure 3 This is one of the exemplary schematic diagrams illustrating a communication method according to an embodiment of this application;

[0149] Figure 4 This is one of the schematic diagrams showing the comparison of PTRS resource offset before and after an embodiment of this application;

[0150] Figure 5 This is a second exemplary schematic diagram illustrating a communication method according to an embodiment of this application;

[0151] Figure 6 This is the second schematic diagram showing a comparison of PTRS resource offset before and after, provided in an embodiment of this application.

[0152] Figure 7 This is a third exemplary schematic diagram illustrating a communication method according to an embodiment of this application;

[0153] Figure 8 This is one of the structural schematic diagrams of the communication device provided in the embodiments of this application;

[0154] Figure 9 This is a second schematic diagram of the structure of the communication device provided in the embodiments of this application;

[0155] Figure 10This is an exemplary structural diagram of a communication device provided in an embodiment of this application.

[0156] The accompanying drawings illustrate specific embodiments of this application, which will be described in more detail below. These drawings and descriptions are not intended to limit the scope of the concept in any way, but rather to illustrate the concept of this application to those skilled in the art through reference to particular embodiments. Detailed Implementation

[0157] Exemplary embodiments will now be described in detail, examples of which are illustrated in the accompanying drawings. When the following description relates to the drawings, unless otherwise indicated, the same numbers in different drawings denote the same or similar elements. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with this application. Rather, they are merely examples of apparatuses and methods consistent with some aspects of this application as detailed in the appended claims.

[0158] It should be noted that the user information (including but not limited to user device information, user personal information, etc.) and data (including but not limited to data used for analysis, stored data, displayed data, etc.) involved in the technical solution of this application are all information and data authorized by the user or fully authorized by all parties. Furthermore, the collection, use and processing of related data must comply with relevant laws, regulations and standards, and corresponding operation entry points are provided for users to choose to authorize or refuse.

[0159] It should be noted that in the embodiments of this application, certain software, components, models and other existing solutions in the industry may be mentioned. These should be regarded as exemplary and are only intended to illustrate the feasibility of implementing the technical solution of this application. However, it does not mean that the applicant has used or necessarily used the solution.

[0160] First, the relevant terms involved in the technical solution of this application will be explained.

[0161] Network equipment refers to network devices located in space that are capable of communicating with terminal devices. Network equipment can also be called space base stations, spaceborne base stations, satellites, satellite communication nodes, satellite communication modules, or base stations, etc. This type of network equipment can also be called access network equipment or wireless access network equipment. Network equipment can be a base station (BTS) in a satellite-borne Global System for Mobile Communication (GSM) or Code Division Multiple Access (CDMA) communication system; a base station (NodeB, NB) in a satellite-borne Wideband Code Division Multiple Access (WCDMA) system; an evolved base station (eNB or eNodeB) in a satellite-borne LTE system; a base station (gNB) in a satellite-borne 5G network; a base station in a satellite-borne future network (e.g., 6G network) after 5G; a base station in a satellite-borne future evolved Public Land Mobile Network (PLMN) network; a transmission reception point (TRP) in a satellite-borne transmission reception point; a radio controller in a satellite-borne cloud radio access network (CRAN) scenario; or a city base station, micro base station, pico base station, or femtobase station, etc., carried by satellite.

[0162] Terminal equipment refers to equipment that includes wireless transceiver capabilities and can cooperate with network equipment to provide communication services to users. Terminal equipment can also be called user equipment (UE), access terminal equipment, user unit, user station, mobile station, mobile station, remote station, remote terminal equipment, mobile device, user terminal equipment, wireless communication equipment, user agent, or user device, etc. Examples of terminal devices currently include: mobile phones, tablets, laptops, PDAs, mobile internet devices (MIDs), wearable devices, virtual reality (VR) devices, augmented reality (AR) devices, wireless terminals in industrial control, wireless terminals in self-driving, wireless terminals in remote medical surgery, wireless terminals in smart grids, wireless terminals in transportation safety, wireless terminals in smart cities, wireless terminals in smart homes, cellular phones, cordless phones, session initiation protocol (SIP) phones, wireless local loop (WLL) stations, personal digital assistants (PDAs), handheld devices with wireless communication capabilities, computing devices or other processing devices connected to wireless modems, in-vehicle devices, shipboard devices, and wearable devices.

[0163] In the technical solution of this application, the term "comprising" and its variations can refer to non-limiting inclusion; the term "or" and its variations can refer to "and / or". "And / or" describes the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent: A existing alone, A and B existing simultaneously, and B existing alone. The character " / " generally indicates that the preceding and following related objects have an "or" relationship.

[0164] In the technical solutions of this application, the terms "first," "second," etc., are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. In this application, the term "at least one" refers to one or more items, and "more than one" refers to two or more items. In this application, the term "at least one of the following" or similar expressions refer to any combination of these items, including any combination of a single item or a plurality of items. For example, at least one of a, b, or c can represent: a, b, c, ab, ac, bc, or abc, where a, b, and c can be single or multiple.

[0165] In the technical solutions of this application, the terms "in some embodiments," "in some examples," "exemplary," or "for example" are used to indicate examples, illustrations, or descriptions. Any embodiment or design described in this application as "in some embodiments," "in some examples," "exemplary," or "for example" should not be construed as being more preferred or advantageous than other embodiments or designs. Specifically, the use of terms such as "in some embodiments," "in some examples," "exemplary," or "for example" is intended to present the relevant concepts in a specific manner. In this application, the terms "in the case of" or "when" indicate a condition.

[0166] To facilitate understanding of the communication method provided in the embodiments of this application, the following will be combined with... Figure 1 The architecture of the communication system provided in the embodiments of this application will be described.

[0167] Figure 1 This is a schematic diagram of the architecture of a communication system provided in an embodiment of this application. Please refer to [link / reference]. Figure 1 The communication system 100 includes a network device 101 (e.g., a base station) and a terminal device 102 (e.g., a UE), and the network device 101 and the terminal device 102 can communicate with each other. It should be understood that... Figure 1 The number and form of devices shown are for illustrative purposes only and do not constitute a limitation on the embodiments of this application. In actual applications, they may include two or more terminal devices and two or more network devices. Figure 1 The communication system shown is only an example of one network device 101 and one terminal device 102.

[0168] It is understood that the communication system described in the embodiments of this application is for the purpose of more clearly illustrating the technical solutions of the embodiments of this application, and does not constitute a limitation on the technical solutions proposed in the embodiments of this application. As those skilled in the art will know, with the evolution of system architecture and the emergence of new business scenarios, the technical solutions proposed in the embodiments of this application are also applicable to similar technical problems.

[0169] In the aforementioned communication system, network devices can configure the time and frequency resources for each signal, and terminal devices can correctly receive each signal based on the time and frequency resources configured by the network devices for each signal.

[0170] PTRS was introduced in NR, and the resource mapping method for PTRS is specified in the relevant standards and specifications of the 3rd Generation Partner Project (3GPP). Unlike the fixed time-frequency resources of periodic signals, the time-frequency resources of PTRS are not fixed, and the resource mapping method of PTRS can change with the configuration conditions.

[0171] For example, the periodic signal may include at least one of the following: a periodic tracking reference signal (TRS), a channel state information reference signal (CSI-RS) for feeding back a channel quality indicator (CQI), a channel state information interference measurement (CSI-IM), or a sounding reference signal (SRS).

[0172] For example, configuration conditions may include the Radio Network Temporary Identifier (RNTI) associated with the Downlink Control Information (DCI) scheduling, the number of scheduled Resource Blocks (RBs), the scheduling Modulation and Coding Scheme (MCS), etc.

[0173] Because the time-frequency resources of PTRS are not fixed, resource conflicts may occur between PTRS and periodic signals in some scenarios. The following discussion will combine... Figure 2 This paper provides an example illustration of a resource conflict scenario.

[0174] Figure 2 This is a schematic diagram illustrating a resource conflict scenario provided in an embodiment of this application. Please refer to... Figure 2In the time-frequency resource mapping diagram of this RB, the horizontal axis represents the time domain, with the unit being a slot. Each slot can include 14 symbols, whose indices from left to right are 0, 1, ..., 13. The vertical axis represents the frequency domain, with the unit being a subcarrier. Each RB's frequency domain can include 12 subcarriers, whose indices from bottom to top are 0, 1, ..., 11. Twelve consecutive subcarriers in the frequency domain and one slot in the time domain can constitute the time-frequency resource of an RB. Each subcarrier and each symbol can constitute a resource element (RE). In the time-domain resources of this RB, the time-domain resources occupied by the Physical Downlink Control Channel (PDCCH), Physical Downlink Shared Channel (PDSCH), Demodulation Reference Signal (DMRS), TRS, PTRS, CSI-IM, and CSI-RS (used for CQI feedback) are as follows: Figure 2 As shown, the resources of PTRS and TRS overlap at the RE corresponding to the 6th symbol and the 2nd subcarrier, resulting in a resource conflict between PTRS and TRS.

[0175] The relevant standards and specifications indicate that PTRS resources should not be used to transmit PDCCH or Physical Uplink Shared Channel (PUSCH), but they have not yet indicated how PTRS should be handled in the event of resource conflicts with periodic signals.

[0176] In some embodiments, resource scheduling can be used to resolve resource conflicts between PTRS and periodic signals. However, the large number of periodic signals and the large number of symbols they occupy make resolving PTRS resource conflicts through resource scheduling quite complex.

[0177] In some embodiments, the network device first pre-configures multiple PTRS parameter sets to the terminal device, and then activates or updates a certain PTRS parameter set through dynamic signaling DCI. The PTRS parameter set can be used to determine different threshold values ​​for the time domain and / or frequency domain density of PTRS. The DCI can be used to dynamically activate one of the multiple PTRS parameter sets. During this dynamic activation process, the network device can allow the PTRS density to be dynamically adjusted to enhance phase noise estimation when appropriate.

[0178] It should be noted that in some embodiments, the terms "threshold value" and "threshold" or "limit" can be used interchangeably.

[0179] However, PTRS resource conflicts may not occur in every scenario. This method of resolving PTRS resource conflicts by pre-configuring multiple PTRS parameter sets to terminal devices via network equipment will lead to an increase in air interface bits when no PTRS resource conflicts exist, resulting in a significant waste of air interface resources. For example, in the PTRS downlink configuration information defined in relevant standards, the PTRS frequency density can be set to two threshold values, each ranging from 1 to 276, with each threshold value occupying 2 × 9 = 18 bits. Each additional frequency density set increases the air interface bit count by 18 bits. Similarly, the PTRS time density can be set to three threshold values, each ranging from 1 to 29, with each threshold value occupying 3 × 5 = 15 bits. Each additional time density set increases the air interface bit count by 15 bits. Based on the PTRS-DownlinkConfig information above, each additional set of frequency domain density or time domain density configuration will result in an increase of at least 15 bits in air interface overhead.

[0180] This application provides a communication method, communication device, communication system, communication equipment, storage medium, and program product. The network device can determine a first PTRS resource configured for a terminal device and obtain a second PTRS resource by offsetting the first PTRS resource using first offset information, thereby resolving resource conflicts related to the first PTRS resource. The network device also accurately indicates the first offset information of the first PTRS resource to the terminal device through a display notification method using first indication information, enabling the terminal device to quickly determine the second PTRS resource based on the first offset information and the first PTRS resource, and correctly receive PTRS through the second PTRS resource. In this process, the network device does not need to pre-configure multiple PTRS parameter sets for the terminal device, which helps reduce air interface overhead and save air interface resources.

[0181] The technical solution of this application and how the technical solution of this application solves the above-mentioned technical problems are described in detail below with specific embodiments. These specific embodiments can be combined with each other, and the same or similar concepts or processes may not be described again in some embodiments. The embodiments of this application will now be described with reference to the accompanying drawings.

[0182] The interaction process between network devices and terminal devices can be as follows: Figure 3 As shown in the example, Figure 3 This is one of the exemplary schematic diagrams illustrating a communication method according to an embodiment of this application. Please refer to... Figure 3 The communication method may include the following steps:

[0183] S301. The network device is identified as the first PTRS resource configured for the terminal device.

[0184] The first PTRS resource can be the PTRS resource configured by the network device for the terminal device. The first PTRS resource can include the first time-domain resource and the first frequency-domain resource configured by the network device for the terminal device. The first time-domain resource can occupy at least one symbol, and the first frequency-domain resource can occupy at least one subcarrier.

[0185] For example, in Figure 2 In the first PTRS resource, the first time-domain resource may include: the resource corresponding to symbol 6 and subcarrier 2, and the resource corresponding to symbol 13 and subcarrier 2. In the first PTRS resource, the first time-domain resource occupies 2 symbols, namely symbols 6 and 13; the first frequency-domain resource occupies 1 subcarrier, namely subcarrier 2.

[0186] In some embodiments, the network device may determine the first PTRS resource by referring to PTRS configuration parameters and resource mapping methods, which may be as defined in relevant standards and specifications.

[0187] S302, The network device sends the first instruction information to the terminal device.

[0188] In some embodiments, the network device may also perform the following steps before performing step S302: determining whether there is a resource conflict in the first PTRS resource; and performing step S302 if it is determined that there is a resource conflict in the first PTRS resource.

[0189] The first situation where there is a resource conflict in PTRS resources refers to a situation where the PTRS resources configured by the network device for the terminal device overlap with the resources configured by the network device for other signals of the terminal device.

[0190] For example, other signals may include at least one of the following periodic signals: SRS, TRS, CSI-RS, or CSI-IM.

[0191] For example, in Figure 2 In the middle, the resources of PTRS and TRS overlap in the second subcarrier of the sixth symbol, and there is a resource conflict between the PTRS resources and the TRS resources.

[0192] In some embodiments, the network device may determine whether a first PTRS resource has a resource conflict by: determining resources configured for multiple signals of the terminal device, which may include PTRS and other signals; determining whether there is resource overlap between the first PTRS resource corresponding to the PTRS and the resources corresponding to other signals; if there is resource overlap, determining that the first PTRS resource has a resource conflict; if there is no resource overlap, determining that the first PTRS resource does not have a resource conflict.

[0193] In some embodiments, the terminal device may receive first indication information, which may be used to indicate first offset information.

[0194] The first offset information can be used by the terminal device to receive PTRS on the second PTRS resource, which can be the PTRS resource after offsetting the first PTRS resource according to the first offset information.

[0195] In some embodiments, the first offset information may include a frequency domain offset direction and a frequency domain offset amount. The frequency domain offset direction may include a frequency domain increasing direction and a frequency domain decreasing direction; the frequency domain offset amount may be used to indicate the number of subcarriers moved in the frequency domain offset direction.

[0196] For example, the direction of frequency domain increase can refer to the direction of frequency domain subcarrier index increase; the direction of frequency domain decrease can refer to the direction of frequency domain subcarrier index decrease. For example, in Figure 2 In this context, the direction from subcarrier 2 to subcarrier 3 represents the direction of increasing frequency, while the direction from subcarrier 2 to subcarrier 1 represents the direction of decreasing frequency.

[0197] For example, the first offset information can be "move one subcarrier along the frequency domain increasing direction" or "UpShift One SubCarrier", where the frequency domain offset direction is the frequency domain increasing direction and the frequency domain offset amount is one subcarrier. The first offset information can also be "move one subcarrier along the frequency domain decreasing direction" or "Down Shift OneSubCarrier", where the frequency domain offset direction is the frequency domain decreasing direction and the frequency domain offset amount is one subcarrier.

[0198] In some embodiments, the first offset information may include a sign and a value, whereby the sign may be used to indicate the direction of frequency domain offset and the value may be used to indicate the amount of frequency domain offset, and the value may be a positive number.

[0199] In some embodiments, the sign can be positive or negative. A positive sign can be used to indicate that the frequency domain offset direction is the frequency domain increasing direction, and a negative sign can be used to indicate that the frequency domain offset direction is the frequency domain decreasing direction; or, a positive sign can be used to indicate that the frequency domain offset direction is the frequency domain decreasing direction, and a negative sign can be used to indicate that the frequency domain offset direction is the frequency domain increasing direction.

[0200] For example, the first offset information can be "+1" or "1". Assuming that a positive sign can be used to indicate that the frequency domain offset direction is the frequency domain increasing direction, the first offset information can be used to indicate that the first PTRS resource moves one subcarrier in the frequency domain increasing direction.

[0201] The first PTRS resource can occupy at least one first RE. It can perform offset processing on each of the at least one first RE based on the first offset information to obtain at least one second RE. The second PTRS resource can occupy at least one second RE.

[0202] To facilitate understanding, the following will be combined with... Figure 4 A comparison and explanation of the first PTRS resource and the second PTRS resource is provided.

[0203] Figure 4 This is one of the schematic diagrams showing a comparison of PTRS resource offset before and after, provided as an embodiment of this application. Please refer to... Figure 4 The network device configures two RB resource sets for the terminal device, namely RB#N and RB#(N+1). Figure 4 In (a), the first PTRS resource configured by the network device for the terminal device occupies 4 first REs: the first RE corresponding to symbol 6 and subcarrier 2 in RB#N, the first RE corresponding to symbol 13 and subcarrier 2; the first RE corresponding to symbol 6 and subcarrier 2 in RB#(N+1), the first RE corresponding to symbol 13 and subcarrier 2.

[0204] If the first offset information is any of the following: +1, shifting one subcarrier along the frequency domain increasing direction, or Up Shift One Subcarrier, the second PTRS resource obtained by offsetting the first PTRS resource based on this first offset information can be as follows: Figure 4 As shown in (b), the second PTRS resource includes four second REs: the second RE corresponding to symbol 6 and subcarrier 3 in RB#N, the second RE corresponding to symbol 13 and subcarrier 3; and the second RE corresponding to symbol 6 and subcarrier 3 in RB#(N+1), the second RE corresponding to symbol 13 and subcarrier 3. Figure 4 Compared to each of the second REs in (b) Figure 4 In (a), each of the first REs is shifted up by one subcarrier in the frequency domain.

[0205] In some embodiments, a network device may send downlink control information (DCI) to a terminal device, which may include first indication information.

[0206] It is understood that, in the event of a resource conflict in the first PTRS resource, the DCI sent by the network device to the terminal device may include the first indication information; in the event of a resource conflict in the first PTRS resource, the DCI sent by the network device to the terminal device may not need to include the first indication information.

[0207] Optionally, the DCI may include a first field, in which first indication information may be carried.

[0208] The value of the first field can be first indication information. The number of bits occupied by the value of the first field (or the first indication information) can be freely configured based on business requirements or user requirements. This application embodiment does not limit the number of bits occupied by the value of the first field (or the first indication information). For example, the number of bits occupied by the value of the first field can be 4.

[0209] In some examples, the first field may be represented as "PTRS (or ptrs) downlink resource conflict indicator field" or "PTRSDownlink Resource Conflict Indicator". The first indication information may also be represented as "the value of the PTRS (or ptrs) downlink resource conflict indicator field" or "Value of PTRSDownlink Resource Conflict indicator field".

[0210] In some embodiments, the terminal device may receive a DCI and obtain first indication information from the DCI.

[0211] In some embodiments, there is a mapping relationship between multiple indication information sent by the network device to the terminal device and multiple offset information, wherein the multiple indication information may include first indication information and the multiple offset information may include first offset information.

[0212] In one example, the mapping relationship can be stored in the form of a data table, for example, the mapping relationship can be stored as a data table as shown in Table 1.

[0213] Table 1

[0214]

[0215]

[0216] It should be noted that Table 1 is only an example of a mapping relationship, used to illustrate the mapping relationship between multiple indication information and multiple offset information. In some other examples, when the number of bits occupied by the indication information is different, the mapping relationship can be presented in other ways. The embodiments of this application do not limit the presentation of the mapping relationship.

[0217] S303. The terminal device determines the second PTRS resource based on the first instruction information and the first PTRS resource.

[0218] In some embodiments, the terminal device may determine the first offset information based on the first indication information and the mapping relationship between the multiple indication information and the multiple offset information (e.g., Table 1).

[0219] For example, if the first indication information is 0000, the terminal device can determine the first offset information as any of the following based on the first indication information and the mapping relationship shown in Table 1: "-8", "move 8 subcarriers along the frequency domain decreasing direction", or "Down Shift Eight SubCarrier".

[0220] The terminal device can also determine the first PTRS resource allocated by the network device, determine the frequency domain offset direction and frequency domain offset amount based on the first offset information, and determine the second PTRS resource based on the first PTRS resource, the frequency domain offset direction and the frequency domain offset amount.

[0221] S304. The terminal device receives PTRS on the second PTRS resource.

[0222] In some embodiments, the terminal device can receive a DCI sent by the network device and determine whether the DCI includes first indication information. If the DCI includes first indication information, the terminal device can determine that there is a resource conflict in the first PTRS resource. The terminal device can determine the second PTRS resource based on the first indication information and the first PTRS resource, and receive PTRS on the second PTRS resource. If the DCI does not include first indication information, the terminal device can determine that there is no resource conflict in the first PTRS resource, and the terminal device receives PTRS on the first PTRS resource.

[0223] The communication method provided in this application embodiment allows a network device to determine a first PTRS resource configured for a terminal device. If a resource conflict is detected with the first PTRS resource, the network device performs offset processing on the first PTRS resource using first offset information to obtain a second PTRS resource, thereby resolving the resource conflict issue. The network device also accurately indicates the first offset information of the first PTRS resource to the terminal device through a display notification method using first indication information. This allows the terminal device to quickly determine the second PTRS resource based on the first offset information and the first PTRS resource, and correctly receive PTRS through the second PTRS resource. In this process, the network device does not need to pre-configure multiple PTRS parameter sets for the terminal device, which helps reduce air interface overhead and save air interface resources.

[0224] Based on the above embodiments, the communication method provided in this application also involves a process of network device determining first offset information before sending the first indication information to the terminal device. The following describes this process in conjunction with... Figure 5 The process of determining the first offset information for network devices is explained in detail.

[0225] Figure 5 This is a second exemplary schematic diagram illustrating a communication method according to an embodiment of this application. Please refer to... Figure 5 This communication method can be executed by a network device and may include the following steps:

[0226] S501, Determine the first PTRS resource configured for the terminal device.

[0227] It should be noted that the specific execution process of step S501 can be referred to the specific execution process of step S301, and will not be repeated here.

[0228] S502. If it is determined that there is a resource conflict in the first PTRS resource, the first offset information is determined according to the resource filtering conditions and the first PTRS resource.

[0229] In some embodiments, the resource filtering criteria can be used to indicate the conditions that the first PTRS resource and the second PTRS resource must meet in the process of resolving resource conflicts of the first PTRS resource.

[0230] Optionally, the first PTRS resource and the second PTRS resource can satisfy the following conditions: relevant conditions for resource quantity; relevant conditions for density; relevant conditions for time interval; and relevant conditions for the resource set occupied. In other words, the resource selection criteria can include the following conditions: relevant conditions for resource quantity; relevant conditions for density; relevant conditions for time interval; and relevant conditions for the resource set occupied.

[0231] The relevant conditions for resource quantity may include: the time domain resource quantity in the first PTRS resource is the same as the time domain resource quantity in the second PTRS resource, and the frequency domain resource quantity in the first PTRS resource is the same as the frequency domain resource quantity in the second PTRS resource.

[0232] Time-domain resource quantity can indicate the number of symbols occupied by PTRS resources in the time-domain resources allocated by the network device to the terminal device; frequency-domain resource quantity can indicate the number of subcarriers occupied by PTRS resources in the frequency-domain resources allocated by the network device to the terminal device.

[0233] In some examples, terms such as "time domain resource quantity" and "time domain sample quantity" can be used interchangeably, as can terms such as "frequency domain resource quantity" and "frequency domain sample quantity".

[0234] Network devices can allocate RB resource sets to terminal devices, and an RB resource set may include at least one RB.

[0235] The time-domain resources allocated by the network device to the terminal device may include the time-domain resources of each RB in the RB resource set, for example, in Figure 4 In this context, the time-domain resources allocated by the network device to the terminal device may include time-domain resources of RB#N (14 symbols) and time-domain resources of RB#(N+1) (14 symbols).

[0236] The frequency domain resources allocated by a network device to a terminal device may include the frequency domain resources of each RB in the RB resource set. For example, in Figure 4 In this context, the frequency domain resources allocated by the network equipment to the terminal equipment may include frequency domain resources of RB#N (12 subcarriers) and frequency domain resources of RB#(N+1) (12 subcarriers).

[0237] Understandably, the relevant conditions for this resource quantity are to ensure that, during the offsetting process of the first PTRS resource, the frequency domain sample number and time domain sample number of the first PTRS resource during phase tracking are not changed, and PTRS is not punctured. In other words, when the network device determines that there is a resource conflict in the first PTRS resource, the determined first offset information must ensure that each first RE in the first PTRS resource can transmit PTRS normally, avoiding the situation where some first REs in the first PTRS resource cannot transmit PTRS. For example, in Figure 4 In the first PTRS resource, there are 4 first REs. When determining the first offset information, it is necessary to ensure that the second PTRS resource obtained after offsetting the first PTRS resource based on the first offset information still includes 4 second REs.

[0238] The density-related conditions may include: the density of the first PTRS resource in the time domain is the same as the density of the second PTRS resource in the time domain, and the density of the first PTRS resource in the frequency domain is the same as the density of the second PTRS resource in the frequency domain.

[0239] By controlling the relevant density conditions, it can be ensured that the time-domain and frequency-domain densities of the PTRS remain unchanged during the offset process based on the first offset information to the first PTRS resource. These time-domain and frequency-domain densities can be used to instruct the network device to send the PTRS every few RBs. In other words, by controlling the relevant density conditions, it can be ensured that the PTRS transmission frequency remains unchanged during the offset processing based on the first offset information. For example, in... Figure 4 In the first PTRS resource, each RB sends a PTRS once; in the second PTRS resource, each RB also sends a PTRS once.

[0240] The relevant conditions for the time-domain interval may include: the time-domain interval between the first PTRS resource and the demodulation reference signal DMRS is the same as the time-domain interval between the second PTRS resource and the DMRS.

[0241] This time-domain interval can be represented by the number of symbols between the first PTRS resource and the DMRS resource, and the time-domain offset direction. The time-domain offset direction can include the direction of symbol increase and the direction of symbol decrease.

[0242] For example, in Figure 2 In the diagram, the first PTRS resource occupies symbols 6 and 13, and the DMRS resource occupies symbols 2 and 9. Specifically, the time-domain interval between the first PTRS resource on symbol 6 and the DMRS resource on symbol 2 is 3 symbols, with the time-domain offset direction being the symbol decreasing direction; the time-domain interval between the first PTRS resource on symbol 6 and the DMRS resource on symbol 9 is 2 symbols, with the time-domain offset direction being the symbol increasing direction; the time-domain interval between the first PTRS resource on symbol 13 and the DMRS resource on symbol 2 is 10 symbols, with the time-domain offset direction being the symbol decreasing direction; and the time-domain interval between the first PTRS resource on symbol 13 and the DMRS resource on symbol 9 is 3 symbols, with the time-domain offset direction being the symbol decreasing direction.

[0243] Determining the first offset information by considering density and time interval conditions can prevent symbol-level offsets in the first PTRS resource during the offset process based on the first offset information, thus ensuring correct parsing of the subsequent first PTRS signal. For example, if the first PTRS resource is offset in the direction of increasing or decreasing symbol values ​​based on the first offset information, the terminal device may be unable to correctly parse the received PTRS signal after receiving the DMRS signal.

[0244] The relevant conditions for the resource set occupied may include: the resource set occupied by the first PTRS resource is the same as the resource set occupied by the second PTRS resource.

[0245] In some embodiments, the resource set may be used to indicate an RB resource set, and the resource set may also be used to indicate a frequency domain resource set within the RB resource set.

[0246] Frequency domain resource sets can be used to indicate the bandwidth resources (or "band resources") allocated by network devices to terminal devices. For example, an RB resource set includes n RBs, each RB has m subcarriers, and each subcarrier has a bandwidth of p. A frequency domain resource set can include n×m subcarriers, and the bandwidth resources indicated by the frequency domain resource set are: n×m×p.

[0247] It is understandable that, during the frequency domain offsetting of the first RE occupied by the first PTRS resource based on the first offset information, in order to ensure the accuracy of PTRS phase tracking, the second RE occupied by the PTRS in the second PTRS resource after the offset is still within the bandwidth resources allocated by the network device to the terminal device. If the second RE occupied by the PTRS in the second PTRS resource after the offset is outside the bandwidth resources allocated by the network device to the terminal device, then it is determined that the first offset information does not meet the relevant conditions of the occupied resource set.

[0248] In some embodiments, the resource filtering conditions may also satisfy the following condition: the second PTRS resource is independent of the resources occupied by other signals besides the PTRS signal.

[0249] For example, other signals may include at least one of the following periodic signals: SRS, TRS, CSI-RS, or CSI-IM.

[0250] It is understandable that when determining the first offset information, it is also necessary to ensure that the second PTRS resource determined based on the first offset information and the first PTRS resource is independent of the resources occupied by other signals, so as to resolve the resource conflict phenomenon of the first PTRS resource.

[0251] Figure 6This is the second schematic diagram showing a comparison of PTRS resource offset before and after, provided as an embodiment of this application. Please refer to... Figure 6 The network device configures two RB resource sets for the terminal device, namely RB#N and RB#(N+1). Figure 6 In (a), the first PTRS resource configured by the network device for the terminal device occupies 4 first REs: the first RE corresponding to symbol 6 and subcarrier 2 in RB#N, the first RE corresponding to symbol 13 and subcarrier 2; the first RE corresponding to symbol 6 and subcarrier 2 in RB#(N+1), the first RE corresponding to symbol 13 and subcarrier 2.

[0252] If the first offset information is any of the following: -4, shifting 4 subcarriers along the frequency domain decreasing direction, or Down Shift Four Subcarrier, the second PTRS resource obtained by offsetting the first PTRS resource based on this first offset information can be as follows: Figure 6 As shown in (b), the second PTRS resource includes four second REs: the second RE corresponding to symbol 6 and subcarrier 10 in RB#(N), the second RE corresponding to symbol 13 and subcarrier 10; and the second RE corresponding to symbol 6 and subcarrier 10 in RB#(N-1), the second RE corresponding to symbol 13 and subcarrier 10.

[0253] However, the resource set configured by the network device for the terminal device does not include RB#(N-1), causing this first offset information to fail to meet the relevant conditions of the occupied resource set. Furthermore, in Figure 6 In (b) of the above, the portion of the second RE occupied by the second PTRS resource overlaps with the portion of the RE occupied by the CSI-IM, resulting in a resource conflict of the second PTRS resource, which does not meet the condition that the resources occupied by the second PTRS resource and other signals are independent of each other.

[0254] In some embodiments, when it is determined that there is a resource conflict in the first PTRS resource, the network device can determine the first offset information based on the resource filtering conditions and the first PTRS resource.

[0255] Suppose that the resource selection criteria can be used to indicate that the first PTRS resource and the second PTRS resource satisfy the following five conditions: resource quantity correlation condition; density correlation condition; time domain interval correlation condition; resource set correlation condition; and the second PTRS resource is independent of the resources occupied by other signals besides the PTRS signal. Figure 4 The first offset information in the scene shown meets the resource filtering criteria, while Figure 6 The first offset information in the scene shown does not meet the resource filtering criteria.

[0256] When both the first and second PTRS resources simultaneously meet the above five conditions, the resource quantity, density, time-domain interval between PTRS and DMRS, and the resource set occupied by each PTRS can be guaranteed to remain unchanged before and after offset processing. This ensures that the phase tracking accuracy of the PTRS remains unchanged before and after offset processing, and the throughput of the terminal device remains unchanged, which is beneficial to improving the user experience. In some embodiments, the interaction process between network devices can also be as follows: Figure 7 As shown in the example, Figure 7 This is a third exemplary schematic diagram illustrating a communication method according to an embodiment of this application. Please refer to... Figure 7 The communication method may include the following steps:

[0257] S701, The network device sends configuration information to the terminal device.

[0258] In some embodiments, a network device may send a Radio Resource Control (RRC) message to a terminal device, which may include the configuration information.

[0259] Optionally, the RRC message may include: an RRC connection setup message, and / or an RRC reconfiguration message.

[0260] The terminal device can receive configuration information sent by the network device. This configuration information can be used to indicate a set of offset information, which may include multiple offset information sets.

[0261] In some embodiments, the network device can determine the offset information set according to configuration rules. The configuration rules can be configuration rules agreed upon by the terminal device and the network device. The configuration rules can be used to indicate the maximum number of offset information in the offset information set and the value range of the offset information.

[0262] For example, the maximum number of offset information can be 16, which means that the offset information set can include a maximum of 16 offset information; the value range of the offset information is: [-11,0)∪(0,11], which means that multiple offset information can be taken from this value range to form an offset information set.

[0263] In some embodiments, the offset information set may include a plurality of consecutive offset information other than 0. In this case, the configuration information may be used to indicate at least one of the following: a plurality of offset information; a start offset information and a stop offset information; or, the number of start offset information and offset information.

[0264] It is understandable that if the configuration information received by the terminal device is the start offset information and the end offset information, or if the configuration information received by the terminal device is the start offset information and the number of offset information, the terminal device can determine the set of offset information according to the configuration rules and the configuration information.

[0265] For example, configuration information can be represented as multiple offset information ordered as follows: -11, -10, -9, -8, -7, -6, -5, -4, -3, -2, -1, 1, 2, 3, 4, 5.

[0266] The configuration information can also be represented as: the starting offset information is -11 and the ending offset information is 5. In this case, the terminal device can determine the value range of the offset information in the configuration information according to the configuration rules, and determine the set of offset information indicated by the configuration information as [-11, -10, -9, -8, -7, -6, -5, -4, -3, -2, -1, 1, 2, 3, 4, 5] based on the value range, the starting offset information and the ending offset information.

[0267] The configuration information can also be represented as: the starting offset information is -11, and the number of offset information is 16. In this case, the terminal device can determine the value range of the offset information in the configuration information according to the configuration rules, and determine the set of offset information indicated by the configuration information as [-11, -10, -9, -8, -7, -6, -5, -4, -3, -2, -1, 1, 2, 3, 4, 5] based on the value range, the starting offset information, and the number of offset information.

[0268] It should be noted that in some examples, terms such as configuration information and configuration parameters can be used interchangeably, as can terms such as offset information set, ptrs-DownlinkResouceConflictList, configuration sequence, and PTRS configuration list under resource conflict, and terms such as offset information, position offset parameter, position offset parameter under resource conflict, frequency domain offset parameter, and ptrs-DownlinkResouceConflictREOffset.

[0269] Optionally, this configuration information can be added to the uplink or downlink link configuration information of PTRS. For example, this configuration information can be added to the PTRS-DownlinkConfig information.

[0270] S702, The network device is identified as the first PTRS resource configured for the terminal device.

[0271] It should be noted that the specific execution process of step S702 can be referred to the specific execution process of step S301, and will not be repeated here.

[0272] In some embodiments, after performing step S702, the network device may further perform the following steps: determine whether there is a resource conflict in the first PTRS resource; if it is determined that there is a resource conflict in the first PTRS resource, perform step S703.

[0273] S703, The network device sends the first instruction information to the terminal device.

[0274] In some embodiments, if a network device determines that a resource conflict exists in the first PTRS resource, it may send downlink control information (DCI) to the terminal device, and the DCI may include first indication information.

[0275] In some embodiments, the terminal device may receive a DCI and determine whether the DCI includes first indication information; if the DCI includes first indication information, it determines that a resource conflict exists in the first PTRS resource and obtains the first indication information from the DCI. If the DCI does not include first indication information, and the first PTRS resource does not exist, it receives PTRS on the first PTRS resource.

[0276] Optionally, the DCI may include a first field, in which first indication information may be carried. This first indication information may be used to indicate the order of the first offset information in the offset information set, which may include multiple offset information items. For example, the first indication information may be "the first value in the offset information set" or "First value of ptrs-DownlinkResouceConflictList".

[0277] The value of the first field can be first indication information. The number of bits occupied by the value of the first field (or the first indication information) can be freely configured based on business requirements or user requirements. This application embodiment does not limit the number of bits occupied by the value of the first field (or the first indication information). For example, the number of bits occupied by the value of the first field can be 4.

[0278] In some embodiments, there is a mapping relationship between the multiple indication information sent by the network device to the terminal device and the order of the multiple offset information in the offset information set, wherein the multiple indication information includes first indication information and the multiple offset information includes first offset information.

[0279] In one example, the mapping relationship can be stored in the form of a data table, for example, the mapping relationship can be stored as a data table as shown in Table 2.

[0280] Table 2

[0281]

[0282]

[0283] It should be noted that Table 2 is only an example of a mapping relationship, used to illustrate the mapping relationship between the order of multiple indication information and multiple offset information in the offset information set. In some other examples, when the number of bits occupied by the indication information is different, the mapping relationship can be presented in other ways. The embodiments of this application do not limit the presentation of the mapping relationship.

[0284] S704. The terminal device determines the second PTRS resource based on the first instruction information, configuration information, and the first PTRS resource.

[0285] In some embodiments, the terminal device may perform the following steps to determine the second PTRS resource: determine an offset information set based on configuration information; determine the order of the first offset information in the offset information set based on first indication information; determine the first offset information in the offset information set based on the order of the first offset information in the offset information set; determine the frequency domain offset direction and frequency domain offset amount based on the first offset information; and determine the second PTRS resource based on the first PTRS resource, the frequency domain offset direction, and the frequency domain offset amount.

[0286] For example, if the offset information set indicated by the configuration information is [-11, -10, -9, -8, -7, -6, -5, -4, -3, -2, -1, 1, 2, 3, 4, 5], and the first indication information is 0000, the terminal device can determine the first offset information as the first value in the offset information set based on this first indication information and the mapping relationship shown in Table 2, that is, the first offset information is -11. Assuming that the frequency domain offset direction indicated by "-11" is the frequency domain decreasing direction, and the frequency domain offset is 11 subcarriers, the terminal device can determine the first RE corresponding to the first PTRS resource, and move the first RE 11 subcarriers in the frequency domain decreasing direction to find the second RE corresponding to the second PTRS resource.

[0287] S705, The terminal device receives PTRS on the second PTRS resource.

[0288] It should be noted that the specific execution process of step S705 can be referred to the specific execution process of step S304, and will not be repeated here.

[0289] This application provides a communication method in which a network device can send configuration information to a terminal device, enabling the terminal device to determine an offset information set based on the configuration information. If a resource conflict is determined to exist in the first PTRS resource, the network device can also send first indication information to the terminal device, enabling the terminal device to determine the order of the first offset information in the offset information set based on the first indication information, and quickly locate the corresponding first offset information in the offset information set based on this order. The terminal device can quickly determine a second PTRS resource based on the first offset information and the first PTRS resource, and accurately receive PTRS on the second PTRS resource. In this process, the network device does not need to pre-configure multiple PTRS parameter sets for the terminal device. Instead, it uses explicit notification via the first indication information and configuration information to instruct the terminal device on how to correctly receive PTRS when a resource conflict exists in the first PTRS resource, which helps reduce air interface overhead and save air interface resources. Furthermore, the first indication information and configuration information ensure that the resource quantity, density, and time domain interval between PTRS and DMRS remain unchanged before and after offset processing, thereby ensuring that the phase tracking accuracy of PTRS and the throughput of the terminal device remain unchanged before and after offset processing, which helps improve the user experience.

[0290] Figure 8 This is one of the structural schematic diagrams of a communication device provided in an embodiment of this application. The communication device can be implemented through software and / or hardware. For example... Figure 8 As shown, the communication device 800 may include:

[0291] Processing module 801 is used to determine the first phase tracking reference signal (PTRS) resource configured for the terminal device;

[0292] The transceiver module 802 is used to send first indication information to the terminal device;

[0293] Wherein, the first indication information is used to indicate the first offset information, the first offset information is used by the terminal device to receive PTRS on the second PTRS resource, and the second PTRS resource is the PTRS resource after offsetting the first PTRS resource according to the first offset information.

[0294] The communication device 800 provided in this application embodiment executes the method steps executed by the network device in the above method embodiment. Its implementation principle and beneficial effects are similar, and will not be described again here.

[0295] In some embodiments, the first PTRS resource and the second PTRS resource satisfy the following conditions:

[0296] Relevant conditions for resource quantity;

[0297] Density-related conditions;

[0298] Relevant conditions for time-domain interval;

[0299] The relevant conditions of the resource set occupied.

[0300] In some embodiments, the relevant conditions for the resource quantity include: the time-domain resource quantity in the first PTRS resource is the same as the time-domain resource quantity in the second PTRS resource, and the frequency-domain resource quantity in the first PTRS resource is the same as the frequency-domain resource quantity in the second PTRS resource; or,

[0301] The density-related conditions include: the density of the first PTRS resource in the time domain is the same as the density of the second PTRS resource in the time domain, and the density of the first PTRS resource in the frequency domain is the same as the density of the second PTRS resource in the frequency domain; or,

[0302] The relevant conditions for the time-domain interval include: the time-domain interval between the first PTRS resource and the demodulation reference signal DMRS is the same as the time-domain interval between the second PTRS resource and the DMRS; or...

[0303] The relevant conditions for the resource set occupied include: the resource set occupied by the first PTRS resource is the same as the resource set occupied by the second PTRS resource.

[0304] In some embodiments, the first offset information includes the frequency domain offset direction and the frequency domain offset amount.

[0305] In some embodiments, the first offset information includes a sign and a value, wherein the sign is used to indicate the frequency domain offset direction, the value is used to indicate the frequency domain offset amount, and the value is a positive number.

[0306] In some embodiments, the symbol is a positive sign or a negative sign, wherein,

[0307] The positive sign indicates that the frequency domain offset direction is the frequency domain increasing direction, and the negative sign indicates that the frequency domain offset direction is the frequency domain decreasing direction; or...

[0308] The positive sign indicates that the frequency domain offset direction is the frequency domain decreasing direction, and the negative sign indicates that the frequency domain offset direction is the frequency domain increasing direction.

[0309] In some embodiments, the first indication information is used to indicate the order of the first offset information in the offset information set, which includes multiple offset information.

[0310] In some embodiments, the transceiver module 802 is further configured to:

[0311] Configuration information is sent to the terminal device, the configuration information being used to indicate the offset information set.

[0312] In some embodiments, the transceiver module 802 is specifically used for:

[0313] Send a Radio Resource Control (RRC) message to the terminal device, the RRC message including the configuration information.

[0314] In some embodiments, there is a mapping relationship between the multiple indication messages sent to the terminal device and the order of the multiple offset messages in the offset message set;

[0315] The plurality of indication information includes the first indication information, and the plurality of offset information includes the first offset information.

[0316] In some embodiments, there is a mapping relationship between multiple indication messages sent to the terminal device and multiple offset messages;

[0317] The plurality of indication information includes the first indication information, and the plurality of offset information includes the first offset information.

[0318] In some embodiments, the transceiver module 802 is further configured to:

[0319] Downlink control information (DCI) is sent to the terminal device, and the DCI includes the first indication information.

[0320] Figure 9 This is a second schematic diagram of the communication device provided in an embodiment of this application. The communication device can be implemented through software and / or hardware. For example... Figure 9 As shown, the communication device 900 may include:

[0321] Transceiver module 901 is used to receive first indication information, the first indication information being used to indicate first offset information;

[0322] Processing module 902 is used to determine a second PTRS resource based on the first offset information and the first phase tracking reference signal PTRS resource, wherein the first PTRS resource is a PTRS resource configured by the network device for the terminal device, and the second PTRS resource is a PTRS resource offset from the first PTRS resource based on the first offset information;

[0323] The processing module 902 is also configured to receive PTRS on the second PTRS resource.

[0324] The communication device 900 provided in this application embodiment executes the method steps executed by the terminal device in the above method embodiment. Its implementation principle and beneficial effects are similar, and will not be described again here.

[0325] In some embodiments, the first PTRS resource and the second PTRS resource satisfy the following conditions:

[0326] Relevant conditions for resource quantity;

[0327] Density-related conditions;

[0328] Relevant conditions for time-domain interval;

[0329] The relevant conditions of the resource set occupied.

[0330] In some embodiments, the relevant conditions for the resource quantity include: the time-domain resource quantity in the first PTRS resource is the same as the time-domain resource quantity in the second PTRS resource, and the frequency-domain resource quantity in the first PTRS resource is the same as the frequency-domain resource quantity in the second PTRS resource; or,

[0331] The density-related conditions include: the density of the first PTRS resource in the time domain is the same as the density of the second PTRS resource in the time domain, and the density of the first PTRS resource in the frequency domain is the same as the density of the second PTRS resource in the frequency domain; or,

[0332] The relevant conditions for the time-domain interval include: the time-domain interval between the first PTRS resource and the demodulation reference signal DMRS is the same as the time-domain interval between the second PTRS resource and the DMRS; or...

[0333] The relevant conditions for the resource set occupied include: the resource set occupied by the first PTRS resource is the same as the resource set occupied by the second PTRS resource.

[0334] In some embodiments, the first offset information includes the frequency domain offset direction and the frequency domain offset amount.

[0335] In some embodiments, the first offset information includes a sign and a value, wherein the sign is used to indicate the frequency domain offset direction, the value is used to indicate the frequency domain offset amount, and the value is a positive number.

[0336] In some embodiments, the symbol is a positive sign or a negative sign, wherein,

[0337] The positive sign indicates that the frequency domain offset direction is the frequency domain increasing direction, and the negative sign indicates that the frequency domain offset direction is the frequency domain decreasing direction; or...

[0338] The positive sign indicates that the frequency domain offset direction is the frequency domain decreasing direction, and the negative sign indicates that the frequency domain offset direction is the frequency domain increasing direction.

[0339] In some embodiments, the first indication information is used to indicate the order of the first offset information in the offset information set, which includes multiple offset information.

[0340] In some embodiments, the transceiver module 901 is further configured to:

[0341] The system receives configuration information sent by a network device, the configuration information being used to indicate the offset information set.

[0342] In some embodiments, the transceiver module 901 is specifically used for:

[0343] The network device receives a Radio Resource Control (RRC) message, which includes the configuration information.

[0344] In some embodiments, there is a mapping relationship between the multiple indication messages received from the network device and the order of the multiple offset messages in the offset message set;

[0345] The plurality of indication information includes the first indication information, and the plurality of offset information includes the first offset information.

[0346] In some embodiments, there is a mapping relationship between multiple indication information sent by the network device and multiple offset information;

[0347] The plurality of indication information includes the first indication information, and the plurality of offset information includes the first offset information.

[0348] In some embodiments, the transceiver module 901 is further configured to:

[0349] Receive downlink control information (DCI), the DCI including the first indication information.

[0350] Figure 10 This is an exemplary structural diagram of a communication device provided in an embodiment of this application. The communication device may be, for example, a terminal device or a network device. Figure 10 As shown, the communication device 1000 may include a memory 1001, a processor 1002, and a transceiver 1003. The transceiver 1003 may include a transmitter and / or a receiver. The transmitter may also be referred to as a transmitter, transmitter port, or transmitter interface, etc., and the receiver may also be referred to as a receiver, receiver port, or receiver interface, etc. Exemplarily, each of the memory 1001, processor 1002, and transceiver 1003 is interconnected via a bus 1004.

[0351] Memory 1001 is used to store program instructions.

[0352] The processor 1002 is used to execute the program instructions stored in the memory so that the communication device performs the above method.

[0353] Implementing all or part of the steps of each of the above method embodiments can be accomplished by hardware associated with program instructions. The aforementioned program can be stored in a readable memory. When the program is executed, it performs the steps of each of the above method embodiments; and the aforementioned memory (storage medium) includes: read-only memory (ROM), RAM, flash memory, hard disk, solid-state drive, magnetic tape, floppy disk, optical disk, and any combination thereof.

[0354] Optionally, embodiments of this application may also provide a storage medium. The storage medium stores instructions that, when executed on the communication device 1000, cause the communication device 1000 to perform the method shown in the above-described method embodiments. Optionally, the storage medium is an electronic storage medium. Optionally, the storage medium is a computer-readable storage medium, but is not limited thereto; it may also be a storage medium readable by other devices. Optionally, the storage medium may be a non-transitory storage medium, but is not limited thereto; it may also be a temporary storage medium.

[0355] This application also provides a computer program product, including a program and / or instructions, which, when executed by a communication device 1000, enable the communication device 1000 to implement the method shown in the above-described method embodiments.

[0356] These computer program instructions may also be stored in a computer-readable storage medium that can direct a computer or other programmable data processing device to function in a particular manner, such that the instructions stored in the computer-readable storage medium produce an article of manufacture including instruction means, which are implemented in a process Figure 1 One or more processes and / or boxes Figure 1 The function specified in one or more boxes.

[0357] Those skilled in the art can make various modifications and variations to the embodiments of this application without departing from the spirit and scope of this application. Therefore, if these modifications and variations to the embodiments of this application fall within the scope of the claims of this application and their equivalents, this application also intends to include these modifications and variations.

[0358] Exemplary embodiments will now be described in detail, examples of which are illustrated in the accompanying drawings. When the following description relates to the drawings, unless otherwise indicated, the same numbers in different drawings denote the same or similar elements. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with this application. Rather, they are merely examples of apparatuses and methods consistent with some aspects of this application as detailed in the appended claims.

Claims

1. A communication method, characterized in that, Applied to network devices, the method includes: The first phase tracking reference signal (PTRS) resource configured for the terminal device is determined. Send first instruction information to the terminal device; Wherein, the first indication information is used to indicate the first offset information, the first offset information is used by the terminal device to receive PTRS on the second PTRS resource, and the second PTRS resource is the PTRS resource after offsetting the first PTRS resource according to the first offset information.

2. The method according to claim 1, characterized in that, The first PTRS resource and the second PTRS resource satisfy the following conditions: Relevant conditions for resource quantity; Density-related conditions; Relevant conditions for time-domain interval; The relevant conditions of the resource set occupied.

3. The method according to claim 2, characterized in that, The relevant conditions for the resource quantity include: the time-domain resource quantity in the first PTRS resource is the same as the time-domain resource quantity in the second PTRS resource, and the frequency-domain resource quantity in the first PTRS resource is the same as the frequency-domain resource quantity in the second PTRS resource; or, The density-related conditions include: the density of the first PTRS resource in the time domain is the same as the density of the second PTRS resource in the time domain, and the density of the first PTRS resource in the frequency domain is the same as the density of the second PTRS resource in the frequency domain; or, The relevant conditions for the time-domain interval include: the time-domain interval between the first PTRS resource and the demodulation reference signal DMRS is the same as the time-domain interval between the second PTRS resource and the DMRS; or... The relevant conditions for the resource set occupied include: the resource set occupied by the first PTRS resource is the same as the resource set occupied by the second PTRS resource.

4. The method according to any one of claims 1-3, characterized in that, The first offset information includes the frequency domain offset direction and the frequency domain offset amount.

5. The method according to claim 4, characterized in that, The first offset information includes a symbol and a value, wherein the symbol is used to indicate the frequency domain offset direction, and the value is used to indicate the frequency domain offset amount, and the value is a positive number.

6. The method according to claim 5, characterized in that, The symbol is either a positive sign or a negative sign, wherein, The positive sign indicates that the frequency domain offset direction is the frequency domain increasing direction, and the negative sign indicates that the frequency domain offset direction is the frequency domain decreasing direction; or... The positive sign indicates that the frequency domain offset direction is the frequency domain decreasing direction, and the negative sign indicates that the frequency domain offset direction is the frequency domain increasing direction.

7. The method according to any one of claims 1-6, characterized in that, The first indication information is used to indicate the order of the first offset information in the offset information set, which includes multiple offset information.

8. The method according to claim 7, characterized in that, The method further includes: Configuration information is sent to the terminal device, the configuration information being used to indicate the offset information set.

9. The method according to claim 8, characterized in that, Send configuration information to the terminal device, including: Send a Radio Resource Control (RRC) message to the terminal device, the RRC message including the configuration information.

10. The method according to any one of claims 7-9, characterized in that, There is a mapping relationship between the multiple indication messages sent to the terminal device and the order of the multiple offset messages in the offset message set; The plurality of indication information includes the first indication information, and the plurality of offset information includes the first offset information.

11. The method according to any one of claims 1-6, characterized in that, There is a mapping relationship between multiple indication messages sent to the terminal device and multiple offset messages; The plurality of indication information includes the first indication information, and the plurality of offset information includes the first offset information.

12. The method according to any one of claims 1-11, characterized in that, Sending first instruction information to the terminal device includes: Downlink control information (DCI) is sent to the terminal device, and the DCI includes the first indication information.

13. A communication method, characterized in that, Applied to a terminal device, the method includes: Receive first indication information, the first indication information being used to indicate first offset information; Based on the first indication information and the first phase tracking reference signal (PTRS) resource, a second PTRS resource is determined. The first PTRS resource is the PTRS resource configured by the network device for the terminal device, and the second PTRS resource is the PTRS resource after offsetting the first PTRS resource according to the first offset information. Receive PTRS on the second PTRS resource.

14. The method according to claim 13, characterized in that, The first PTRS resource and the second PTRS resource satisfy the following conditions: Relevant conditions for resource quantity; Density-related conditions; Relevant conditions for time-domain interval; The relevant conditions of the resource set occupied.

15. The method according to claim 14, characterized in that, The relevant conditions for the resource quantity include: the time-domain resource quantity in the first PTRS resource is the same as the time-domain resource quantity in the second PTRS resource, and the frequency-domain resource quantity in the first PTRS resource is the same as the frequency-domain resource quantity in the second PTRS resource; or, The density-related conditions include: the density of the first PTRS resource in the time domain is the same as the density of the second PTRS resource in the time domain, and the density of the first PTRS resource in the frequency domain is the same as the density of the second PTRS resource in the frequency domain; or, The relevant conditions for the time-domain interval include: the time-domain interval between the first PTRS resource and the demodulation reference signal DMRS is the same as the time-domain interval between the second PTRS resource and the DMRS; or... The relevant conditions for the resource set occupied include: the resource set occupied by the first PTRS resource is the same as the resource set occupied by the second PTRS resource.

16. The method according to any one of claims 13-15, characterized in that, The first offset information includes the frequency domain offset direction and the frequency domain offset amount.

17. The method according to claim 16, characterized in that, The first offset information includes a symbol and a value, wherein the symbol is used to indicate the frequency domain offset direction, and the value is used to indicate the frequency domain offset amount, and the value is a positive number.

18. The method according to claim 17, characterized in that, The symbol is either a positive sign or a negative sign, wherein, The positive sign indicates that the frequency domain offset direction is the frequency domain increasing direction, and the negative sign indicates that the frequency domain offset direction is the frequency domain decreasing direction; or... The positive sign indicates that the frequency domain offset direction is the frequency domain decreasing direction, and the negative sign indicates that the frequency domain offset direction is the frequency domain increasing direction.

19. The method according to any one of claims 13-18, characterized in that, The first indication information is used to indicate the order of the first offset information in the offset information set, which includes multiple offset information.

20. The method according to claim 19, characterized in that, The method further includes: The system receives configuration information sent by a network device, the configuration information being used to indicate the offset information set.

21. The method according to claim 20, characterized in that, Receive configuration information sent by network devices, including: The network device receives a Radio Resource Control (RRC) message, which includes the configuration information.

22. The method according to any one of claims 19-21, characterized in that, The multiple indication messages received from the network device have a mapping relationship with the order of the multiple offset messages in the offset message set; The plurality of indication information includes the first indication information, and the plurality of offset information includes the first offset information.

23. The method according to any one of claims 13-18, characterized in that, There is a mapping relationship between the multiple indication messages and multiple offset messages sent by the network device; The plurality of indication information includes the first indication information, and the plurality of offset information includes the first offset information.

24. The method according to any one of claims 13-23, characterized in that, Receive the first instruction information, including: Receive downlink control information (DCI), the DCI including the first indication information.

25. A communication device, characterized in that, Applied to network devices, including: The processing module is used to determine the first phase tracking reference signal (PTRS) resource configured for the terminal device; The transceiver module is used to send first instruction information to the terminal device; Wherein, the first indication information is used to indicate the first offset information, the first offset information is used by the terminal device to receive PTRS on the second PTRS resource, and the second PTRS resource is the PTRS resource after offsetting the first PTRS resource according to the first offset information.

26. A communication device, characterized in that, Applied to terminal devices, including: The transceiver module is used to receive first indication information, which is used to indicate first offset information; The processing module is configured to determine a second PTRS resource based on the first indication information and the first phase tracking reference signal PTRS resource, wherein the first PTRS resource is a PTRS resource configured by the network device for the terminal device, and the second PTRS resource is a PTRS resource offset from the first PTRS resource based on the first offset information; The processing module is also configured to receive PTRS on the second PTRS resource.

27. A communication system, characterized in that, This includes network equipment and terminal equipment; The network device is used to perform the communication method according to any one of claims 1 to 12. The terminal device is used to perform the communication method according to any one of claims 13 to 24.

28. A communication device, characterized in that, include: Memory and processor The memory stores computer-executed instructions; The processor executes computer execution instructions stored in the memory to implement the communication method as described in any one of claims 1 to 12 or 13-24.

29. A storage medium storing instructions, characterized in that, When the instructions are executed on a communication device, they implement the communication method as described in any one of claims 1 to 12 or 13-24.

30. A computer program product, characterized in that, Includes programs and / or instructions, which, when executed by a communication device, cause the communication device to perform the communication method as described in any one of claims 1 to 12 or 13-24.

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