Information reporting methods, apparatus and storage medium

Abstract

Provided in the present disclosure are information reporting methods, an apparatus and a storage medium. In the present disclosure, a terminal receives a first CSI-RS resource which comprises a plurality of CSI-RS resources and is sent by a network device, so as to implement channel measurement on the basis of the first CSI-RS resource, and thus sends first information to the network device, the first information at least comprising first indication information indicating a second CSI-RS resource selected by the terminal from the first CSI-RS resource, and the second CSI-RS resource comprising a plurality of CSI-RS resources. Thus, the present disclosure achieves the purpose of a terminal simultaneously reporting a plurality of selected CSI-RS resources, thereby improving the information reporting efficiency.

Description

Information reporting method, device, and storage medium Technical Field

[0001] The present disclosure relates to the field of communications, and in particular to an information reporting method and device, and a storage medium. Background Art

[0002] In wireless communication systems, accurate channel state information on the network side is crucial for optimizing system performance and improving data transmission reliability. Channel measurement can obtain key information such as channel quality, interference level, and path loss. This enables optimization of power control, beamforming, coding, and modulation schemes, ensuring stable and efficient operation of wireless communication systems.

[0003] In related technologies, channel measurement can be achieved based on one or more Channel Status Information-Reference Signal (CSI-RS) resources. However, how to report the relevant results obtained based on which CSI-RS resources are measured has become a problem that needs to be solved in related technologies.

[0004] Summary of the Invention

[0005] In order to indicate the CSI-RS resource selected by the terminal when implementing channel measurement based on multiple CSI-RS resources, so as to realize the reporting of CSI-RS resource indication (CSI-RS Resource Indicator, CRI), the embodiments of the present disclosure provide an information reporting method, apparatus, and storage medium.

[0006] According to a first aspect of an embodiment of the present disclosure, there is provided an information reporting method, applied to a terminal, the method comprising:

[0007] receiving a first channel state information reference signal CSI-RS resource sent by a network device, where the first CSI-RS resource includes multiple CSI-RS resources;

[0008] First information is sent to a network device, where the first information includes at least first indication information, where the first indication information is used to indicate a second CSI-RS resource selected by the terminal from the first CSI-RS resource, where the second CSI-RS resource includes multiple CSI-RS resources.

[0009] According to a second aspect of an embodiment of the present disclosure, there is provided an information reporting method, applied to a network device, the method comprising:

[0010] Sending a first CSI-RS resource to the terminal, where the first CSI-RS resource includes multiple CSI-RS resources;

[0011] The first information sent by the receiving terminal is received, where the first information includes at least first indication information, and the first indication information is used to indicate a second CSI-RS resource selected by the terminal from the first CSI-RS resource, where the second CSI-RS resource includes multiple CSI-RS resources.

[0012] According to a third aspect of an embodiment of the present disclosure, a terminal is provided, including:

[0013] a transceiver module configured to receive a first channel state information reference signal CSI-RS resource sent by a network device, where the first CSI-RS resource includes multiple CSI-RS resources;

[0014] The transceiver module is also configured to send first information to the network device, where the first information includes at least first indication information, and the first indication information is used to indicate the second CSI-RS resource selected by the terminal from the first CSI-RS resource, where the second CSI-RS resource includes multiple CSI-RS resources.

[0015] According to a fourth aspect of an embodiment of the present disclosure, a network device is provided, including:

[0016] a transceiver module configured to send a first CSI-RS resource to a terminal, where the first CSI-RS resource includes multiple CSI-RS resources;

[0017] The transceiver module is also configured to receive first information sent by the terminal, where the first information includes at least first indication information, and the first indication information is used to indicate the second CSI-RS resource selected by the terminal from the first CSI-RS resource, where the second CSI-RS resource includes multiple CSI-RS resources.

[0018] According to a fifth aspect of an embodiment of the present disclosure, a terminal is provided, including:

[0019] one or more processors;

[0020] Among them, the terminal is used to execute the information reporting method provided by the first aspect.

[0021] According to a sixth aspect of an embodiment of the present disclosure, a network device is provided, including:

[0022] one or more processors;

[0023] Among them, the network device is used to execute the information reporting method provided by the second aspect.

[0024] According to the seventh aspect of an embodiment of the present disclosure, a communication system is provided, including a terminal and a network device, wherein the terminal is configured to implement the information reporting method provided by the first aspect, and the network device is configured to implement the information reporting method provided by the second aspect.

[0025] According to an eighth aspect of an embodiment of the present disclosure, a storage medium is provided, which stores instructions. When the instructions are executed on a communication device, the communication device executes the information reporting method provided in the first aspect or the second aspect.

[0026] In an embodiment of the present disclosure, a network device sends a first CSI-RS resource including multiple CSI-RS resources to a terminal so that the network device can perform channel measurement based on the received first CSI-RS resource, thereby sending first information including first indication information to the network device. The first indication information can be used to indicate the second CSI-RS resource selected by the terminal from a CSI-RS resource to realize CRI reporting. The network device can determine the second CSI-RS resource selected by the terminal based on the received first indication information, thereby completing the resource configuration of the relevant CSI-RS resources.

[0027] It is to be understood that the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and, together with the description, serve to explain the principles of the present disclosure.

[0029] FIG1 is a schematic diagram showing the architecture of a communication system according to an embodiment of the present disclosure.

[0030] FIG2 is an interactive schematic diagram of an information reporting method according to an embodiment of the present disclosure.

[0031] FIG3A is a flow chart of an information reporting method according to an embodiment of the present disclosure.

[0032] FIG3B is a flow chart of an information reporting method according to an embodiment of the present disclosure.

[0033] FIG4A is a schematic structural diagram of a terminal proposed in an embodiment of the present disclosure.

[0034] FIG4B is a schematic diagram of the structure of a network device proposed in an embodiment of the present disclosure.

[0035] FIG5A is a schematic structural diagram of a communication device 5100 proposed in an embodiment of the present disclosure.

[0036] FIG5B is a schematic structural diagram of a chip 5200 according to an embodiment of the present disclosure. DETAILED DESCRIPTION

[0037] Exemplary embodiments will be described in detail herein, with examples illustrated in the accompanying drawings. In the following description, when referring to the drawings, identical numerals in different figures represent identical or similar elements, unless otherwise indicated. The embodiments described in the following exemplary embodiments are not intended to represent all possible embodiments consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.

[0038] The terms used in this disclosure are for the purpose of describing specific embodiments only and are not intended to limit the disclosure. As used in this disclosure and the appended claims, the singular forms "a," "an," "the," and "the" are intended to include the plural forms, unless the context clearly indicates otherwise. It should also be understood that the term "and / or" as used herein refers to and encompasses any and all possible combinations of at least one of the associated listed items.

[0039] It should be understood that although the terms first, second, third, etc. may be used in this disclosure to describe various messages, these messages should not be limited to these terms. These terms are only used to distinguish messages of the same type from each other. For example, a first message may also be referred to as a second message, and similarly, a second message may be referred to as a first message without departing from the scope of this disclosure. Depending on the context, the word "if" as used herein may be interpreted as "at the time of" or "when" or "in response to determining."

[0040] The embodiments of the present disclosure provide an information reporting method, device, and storage medium.

[0041] In a first aspect, an embodiment of the present disclosure provides an information reporting method, which is applied to a terminal. The method includes:

[0042] receiving a first channel state information reference signal CSI-RS resource sent by a network device, where the first CSI-RS resource includes multiple CSI-RS resources;

[0043] First information is sent to a network device, where the first information includes at least first indication information, where the first indication information is used to indicate a second CSI-RS resource selected by the terminal from the first CSI-RS resource, where the second CSI-RS resource includes multiple CSI-RS resources.

[0044] In the above embodiment, the terminal receives the first CSI-RS resource including multiple CSI-RS resources sent by the network device to implement channel measurement based on the first CSI-RS resource, thereby sending the first information to the network device, the first information at least including first indication information indicating the second CSI-RS resource selected by the terminal from the first CSI-RS resource, and the second CSI-RS resource including multiple CSI-RS resources, so as to achieve the goal of the terminal simultaneously reporting the selected multiple CSI-RS resources, thereby improving the information reporting efficiency.

[0045] In conjunction with some embodiments of the first aspect, in some embodiments, receiving a first channel state information reference signal CSI-RS resource sent by a network device includes any of the following:

[0046] receiving a plurality of CSI-RS resource groups sent by a network device, where the plurality of CSI-RS resource groups come from one or more CSI-RS resource sets, and each CSI-RS resource group includes a plurality of CSI-RS resources;

[0047] A plurality of CSI-RS resource sets sent by a network device are received, where each CSI-RS resource set includes a plurality of CSI-RS resources.

[0048] In the above embodiment, an optional implementation method is provided for a network device to configure multiple CSI-RS resources for a terminal, so that the network device can implement CSI-RS resource configuration by configuring a CSI-RS resource group or a CSI-RS resource set, thereby improving the flexibility of the resource configuration process.

[0049] In combination with some embodiments of the first aspect, in some embodiments, the second CSI-RS resource is at least one CSI-RS resource group, or the second CSI-RS resource is at least one CSI-RS resource set.

[0050] In the above embodiment, when the network device implements CSI-RS resource configuration by configuring a CSI-RS resource group or a CSI-RS resource set, at least one CSI-RS resource group or CSI-RS resource set is used as the second CSI-RS resource selected by the terminal to achieve selection of multiple CSI-RS resources for the terminal.

[0051] In conjunction with some embodiments of the first aspect, in some embodiments, the second CSI-RS resource selected by the terminal is a CSI-RS resource group, and the length of the first indication information is determined based on the number of CSI-RS resource groups included in the first CSI-RS resource; or,

[0052] The second CSI-RS resource selected by the terminal is a CSI-RS resource set, and the length of the first indication information is determined based on the number of CSI-RS resource sets included in the first CSI-RS resource.

[0053] In the above embodiment, when the second CSI-RS resource selected by the terminal is a CSI-RS resource group or a CSI-RS resource set, the length of the first indication information is determined based on the number of CSI-RS resource groups or the number of CSI-RS resource sets included in the first CSI-RS resource, so that the network device can determine the number of CSI-RS resource groups or the number of CSI-RS resource sets selected by the terminal based on the length of the first indication information.

[0054] In conjunction with some embodiments of the first aspect, in some embodiments, the first indication information is a bit number of data;

[0055] Here, N is the number of CSI-RS resource groups included in the first CSI-RS resource, or N is the number of CSI-RS resource sets included in the first CSI-RS resource.

[0056] In the above embodiment, by taking the number of bits as as the first indication information, so that the network device can determine the CSI-RS resource group or CSI-RS resource set selected by the terminal based on the first indication information.

[0057] In conjunction with some embodiments of the first aspect, in some embodiments, the second CSI-RS resource selected by the terminal includes multiple CSI-RS resource groups, and the length of the first indication information is determined based on any one of the following:

[0058] The number of CSI-RS resource groups included in the first CSI-RS resource;

[0059] The number of CSI-RS resource groups included in the first CSI-RS resource and the number of CSI-RS resource groups included in the second CSI-RS resource.

[0060] In the above embodiment, by providing two optional implementation methods for determining the first indication information when the second CSI-RS resource selected by the terminal is a plurality of CSI-RS resource groups, the terminal can not only determine the length of the first indication information based on the number of CSI-RS resource groups included in the first CSI-RS resource, but also determine the length of the first indication information based on the number of CSI-RS resource groups included in the first CSI-RS resource and the number of CSI-RS resource groups included in the second CSI-RS resource, thereby improving the flexibility of the process of determining the length of the first indication information and ensuring that the network device can determine the number of CSI-RS resource groups selected by the terminal based on the length of the first indication information.

[0061] In conjunction with some embodiments of the first aspect, in some embodiments, the second CSI-RS resource selected by the terminal includes multiple CSI-RS resource sets, and the length of the first indication information is determined based on any one of the following:

[0062] The number of CSI-RS resource sets included in the first CSI-RS resource;

[0063] The number of CSI-RS resource sets included in the first CSI-RS resource and the number of CSI-RS resource sets included in the second CSI-RS resource.

[0064] In the above embodiment, by providing two optional implementation methods for determining the first indication information when the second CSI-RS resource selected by the terminal is multiple CSI-RS resource sets, the terminal can not only determine the length of the first indication information based on the number of CSI-RS resource sets included in the first CSI-RS resource, but also determine the length of the first indication information based on the number of CSI-RS resource sets included in the first CSI-RS resource and the number of CSI-RS resource sets included in the second CSI-RS resource, thereby improving the flexibility of the process of determining the length of the first indication information and ensuring that the network device can determine the number of CSI-RS resource sets selected by the terminal based on the length of the first indication information.

[0065] In conjunction with some embodiments of the first aspect, in some embodiments, the length of the first indication information is determined based on the number of CSI-RS resource groups or the number of CSI-RS resource sets included in the first CSI-RS resource, and the first indication information is a bitmap with a bit width of N bits;

[0066] Here, N is the number of CSI-RS resource groups included in the first CSI-RS resource, or N is the number of CSI-RS resource sets included in the first CSI-RS resource.

[0067] In the above embodiment, a bitmap with a bit width of N bits is used as the first indication information, so that the network device can determine the CSI-RS resource group or CSI-RS resource set selected by the terminal based on the first indication information.

[0068] In conjunction with some embodiments of the first aspect, in some embodiments, the length of the first indication information is determined based on the number of CSI-RS resource groups included in the first CSI-RS resource and the number of CSI-RS resource groups included in the second CSI-RS resource, or the length of the first indication information is determined based on the number of CSI-RS resource sets included in the first CSI-RS resource and the number of CSI-RS resource sets included in the second CSI-RS resource, and the first indication information includes any one of the following:

[0069] The number of bits is data;

[0070] The number of bits is data;

[0071] Wherein, N is the number of CSI-RS resource groups included in the first CSI-RS resource, and M is the number of CSI-RS resource groups included in the second CSI-RS resource;

[0072] Alternatively, N is the number of CSI-RS resource sets included in the first CSI-RS resource, and M is the number of CSI-RS resource sets included in the second CSI-RS resource.

[0073] In the above embodiment, by taking the number of bits as The number of data or bits is as the first indication information, so that the network device can determine the CSI-RS resource group or CSI-RS resource set selected by the terminal based on the first indication information.

[0074] In combination with some embodiments of the first aspect, in some embodiments, M is determined by the terminal itself, or M is predefined, or M is configured by the network device.

[0075] In the above embodiment, multiple optional ways of configuring the number of CSI-RS resource groups or the number of CSI-RS resource sets selected by the terminal are provided to improve the flexibility of the information reporting process.

[0076] In combination with some embodiments of the first aspect, in some embodiments, the first information also includes second indication information, and the second indication information includes at least one of the rank indication RI, the layer indication LI, the channel quality indication CQI, the precoding matrix indication PMI, and the reference signal received power RSRP.

[0077] In the above embodiment, by providing other indication information that may be included in the first information, the utilization rate of the first information is improved.

[0078] In a second aspect, an embodiment of the present disclosure provides an information reporting method, which is applied to a network device. The method includes:

[0079] Sending a first CSI-RS resource to the terminal, where the first CSI-RS resource includes multiple CSI-RS resources;

[0080] The first information sent by the receiving terminal is received, where the first information includes at least first indication information, and the first indication information is used to indicate a second CSI-RS resource selected by the terminal from the first CSI-RS resource, where the second CSI-RS resource includes multiple CSI-RS resources.

[0081] In the above embodiment, the network device sends a first CSI-RS resource including multiple CSI-RS resources to the terminal so that the terminal can perform channel measurement based on the first CSI-RS resource, thereby sending first information to the network device so that the network device can receive the first information sent by the terminal. The first information at least includes first indication information indicating the second CSI-RS resource selected by the terminal from the first CSI-RS resource, and the second CSI-RS resource includes multiple CSI-RS resources, so as to achieve the goal of the terminal simultaneously reporting the selected multiple CSI-RS resources, thereby improving the information reporting efficiency.

[0082] In conjunction with some embodiments of the second aspect, in some embodiments, the method further includes any of the following:

[0083] Configuring multiple CSI-RS resource groups for the terminal, where the multiple CSI-RS resource groups come from one or more CSI-RS resource sets, and each CSI-RS resource group includes multiple CSI-RS resources;

[0084] Multiple CSI-RS resource sets are configured for the terminal, and each CSI-RS resource set includes multiple CSI-RS resources.

[0085] In conjunction with some embodiments of the second aspect, in some embodiments, the network device configures multiple CSI-RS resource groups from one or more CSI-RS resource sets for the terminal, and the method includes any one of the following:

[0086] Divide the multiple CSI-RS resources included in the one or more CSI-RS resource sets into multiple CSI-RS resource groups in ascending order of resource identifiers;

[0087] The multiple CSI-RS resources included in one or more CSI-RS resource sets are divided into multiple CSI-RS resource groups in descending order of resource identifiers.

[0088] In the above embodiment, an optional implementation method is provided in which a network device divides multiple CSI-RS resources from one or more CSI-RS resource sets into multiple CSI-RS resource groups, thereby improving the flexibility of the resource division process and thus improving the flexibility of the resource configuration process.

[0089] In combination with some embodiments of the second aspect, in some embodiments, the network device configures multiple CSI-RS resource sets for the terminal, and the resource set identifiers of the multiple CSI-RS resource sets are increasing, or the resource set identifiers of the multiple CSI-RS resource sets are decreasing, or the resource set identifiers of the multiple CSI-RS resource sets are in random order.

[0090] In the above embodiment, a configuration method is provided for a network device to configure multiple CSI-RS resource sets for a terminal, thereby improving the flexibility of the resource configuration process.

[0091] In conjunction with some embodiments of the second aspect, in some embodiments, sending the first CSI-RS resource to the terminal includes any one of the following:

[0092] Sending multiple CSI-RS resource groups to the terminal, where the multiple CSI-RS resource groups come from one or more CSI-RS resource sets, and each CSI-RS resource group includes multiple CSI-RS resources;

[0093] Multiple CSI-RS resource sets are sent to the terminal, each CSI-RS resource set including multiple CSI-RS resources.

[0094] In combination with some embodiments of the second aspect, in some embodiments, the second CSI-RS resource is at least one CSI-RS resource group, or the second CSI-RS resource is at least one CSI-RS resource set.

[0095] In conjunction with some embodiments of the second aspect, in some embodiments, the second CSI-RS resource selected by the terminal is a CSI-RS resource group, and the length of the first indication information is determined based on the number of CSI-RS resource groups included in the first CSI-RS resource; or,

[0096] The second CSI-RS resource selected by the terminal is a CSI-RS resource set, and the length of the first indication information is determined based on the number of CSI-RS resource sets included in the first CSI-RS resource.

[0097] In conjunction with some embodiments of the second aspect, in some embodiments, the first indication information is a bit number of data;

[0098] Here, N is the number of CSI-RS resource groups included in the first CSI-RS resource, or N is the number of CSI-RS resource sets included in the first CSI-RS resource.

[0099] In conjunction with some embodiments of the second aspect, in some embodiments, the second CSI-RS resource selected by the terminal includes multiple CSI-RS resource groups, and the length of the first indication information is determined based on any one of the following:

[0100] The number of CSI-RS resource groups included in the first CSI-RS resource;

[0101] The number of CSI-RS resource groups included in the first CSI-RS resource and the number of CSI-RS resource groups included in the second CSI-RS resource.

[0102] In conjunction with some embodiments of the second aspect, in some embodiments, the second CSI-RS resource selected by the terminal includes multiple CSI-RS resource sets, and the length of the first indication information is determined based on any one of the following:

[0103] The number of CSI-RS resource sets included in the first CSI-RS resource;

[0104] The number of CSI-RS resource sets included in the first CSI-RS resource and the number of CSI-RS resource sets included in the second CSI-RS resource.

[0105] In conjunction with some embodiments of the second aspect, in some embodiments, the length of the first indication information is determined based on the number of CSI-RS resource groups or the number of CSI-RS resource sets included in the first CSI-RS resource, and the first indication information is a bitmap with a bit width of N bits;

[0106] Here, N is the number of CSI-RS resource groups included in the first CSI-RS resource, or N is the number of CSI-RS resource sets included in the first CSI-RS resource.

[0107] In conjunction with some embodiments of the second aspect, in some embodiments, the length of the first indication information is determined based on the number of CSI-RS resource groups included in the first CSI-RS resource and the number of CSI-RS resource groups included in the second CSI-RS resource, or the length of the first indication information is determined based on the number of CSI-RS resource sets included in the first CSI-RS resource and the number of CSI-RS resource sets included in the second CSI-RS resource, and the first indication information includes any one of the following:

[0108] The number of bits is data;

[0109] The number of bits is data;

[0110] Wherein, N is the number of CSI-RS resource groups included in the first CSI-RS resource, and M is the number of CSI-RS resource groups included in the second CSI-RS resource;

[0111] Alternatively, N is the number of CSI-RS resource sets included in the first CSI-RS resource, and M is the number of CSI-RS resource sets included in the second CSI-RS resource.

[0112] In combination with some embodiments of the second aspect, in some embodiments, M is determined by the terminal itself, or M is predefined, or M is configured by the network device.

[0113] In combination with some embodiments of the second aspect, in some embodiments, the first information also includes second indication information, and the second indication information includes at least one of the rank indication RI, the layer indication LI, the channel quality indication CQI, the precoding matrix indication PMI, and the reference signal received power RSRP.

[0114] In a third aspect, an embodiment of the present disclosure provides a terminal, including:

[0115] a transceiver module configured to receive a first channel state information reference signal CSI-RS resource sent by a network device, where the first CSI-RS resource includes multiple CSI-RS resources;

[0116] The transceiver module is also configured to send first information to the network device, where the first information includes at least first indication information, and the first indication information is used to indicate the second CSI-RS resource selected by the terminal from the first CSI-RS resource, where the second CSI-RS resource includes multiple CSI-RS resources.

[0117] In a fourth aspect, an embodiment of the present disclosure provides a network device, including:

[0118] a transceiver module configured to send a first CSI-RS resource to a terminal, where the first CSI-RS resource includes multiple CSI-RS resources;

[0119] The transceiver module is also configured to receive first information sent by the terminal, where the first information includes at least first indication information, and the first indication information is used to indicate the second CSI-RS resource selected by the terminal from the first CSI-RS resource, where the second CSI-RS resource includes multiple CSI-RS resources.

[0120] In a fifth aspect, an embodiment of the present disclosure provides a terminal, including:

[0121] one or more processors;

[0122] Among them, the terminal is used to execute the information reporting method provided by the first aspect above.

[0123] In a sixth aspect, an embodiment of the present disclosure provides a network device, including:

[0124] one or more processors;

[0125] Among them, the network device is used to execute the information reporting method provided by the second aspect above.

[0126] In the seventh aspect, an embodiment of the present disclosure proposes a communication system, including a terminal and a network device, wherein the terminal is configured to implement the information reporting method provided by the above-mentioned first aspect, and the network device is configured to implement the information reporting method provided by the above-mentioned second aspect.

[0127] In an eighth aspect, an embodiment of the present disclosure proposes a storage medium storing instructions. When the instructions are executed on a communication device, the communication device executes the information reporting method provided in the first and second aspects above.

[0128] In a ninth aspect, an embodiment of the present disclosure proposes a program product. When the program product is executed by a communication device, the communication device executes the information reporting method provided in the first and second aspects.

[0129] In a tenth aspect, an embodiment of the present disclosure proposes a computer program, which, when executed on a computer, enables the computer to execute the information reporting method provided in the first aspect and the first and second aspects above.

[0130] In an eleventh aspect, an embodiment of the present disclosure provides a chip or a chip system, wherein the chip or chip system includes a processing circuit configured to execute the information reporting method provided in the first and second aspects above.

[0131] It is understandable that the above-mentioned terminals, network devices, communication systems, storage media, program products, computer programs, chips, or chip systems are all used to perform the methods proposed in the embodiments of the present disclosure. Therefore, the beneficial effects that can be achieved can refer to the beneficial effects of the corresponding methods and will not be repeated here.

[0132] The present disclosure provides an information reporting method, device, and storage medium. In some embodiments, the terms "information reporting method" and "information processing method," "communication method," and "CRI reporting method" are interchangeable; the terms "information reporting device" and "information processing device," "communication device," and "CRI reporting device" are interchangeable; and the terms "information processing system" and "communication system" are interchangeable.

[0133] The embodiments of the present disclosure are not exhaustive and are merely illustrative of some embodiments, and are not intended to be a specific limitation on the scope of protection of the present disclosure. In the absence of contradiction, each step in a certain embodiment can be implemented as an independent embodiment, and the steps can be arbitrarily combined. For example, a solution after removing some steps in a certain embodiment can also be implemented as an independent embodiment, and the order of the steps in a certain embodiment can be arbitrarily exchanged. In addition, the optional implementation methods in a certain embodiment can be arbitrarily combined; in addition, the embodiments can be arbitrarily combined. For example, some or all steps of different embodiments can be arbitrarily combined, and a certain embodiment can be arbitrarily combined with the optional implementation methods of other embodiments.

[0134] In each embodiment of the present disclosure, unless otherwise specified or provided for by logic, the terms and / or descriptions between the embodiments are consistent and can be referenced by each other. The technical features in different embodiments can be combined to form a new embodiment based on their inherent logical relationships.

[0135] The terms used in the embodiments of the present disclosure are only for the purpose of describing specific embodiments and are not intended to limit the present disclosure.

[0136] In the embodiments of the present disclosure, unless otherwise specified, elements expressed in the singular, such as "a", "an", "the", "above", "said", "the", "the", etc., may mean "one and only one", or "one or more", "at least one", etc. For example, when using articles such as "a", "an", "the" in English in translation, the noun following the article may be understood as a singular expression or a plural expression.

[0137] In the embodiments of the present disclosure, “plurality” refers to two or more.

[0138] In some embodiments, the terms "at least one," "one or more," "a plurality of," "multiple," etc. may be used interchangeably.

[0139] In some embodiments, descriptions such as "at least one of A and B," "A and / or B," "A in one case, B in another case," or "in response to one case A, in response to another case B" may include the following technical solutions depending on the situation: in some embodiments, A (A is executed independently of B); in some embodiments, B (B is executed independently of A); in some embodiments, execution is selected from A and B (A and B are selectively executed); and in some embodiments, A and B (both A and B are executed). The above is also applicable when there are more branches such as A, B, and C.

[0140] In some embodiments, "A or B" and other descriptions may include the following technical solutions depending on the situation: in some embodiments, A (A is executed independently of B); in some embodiments, B (B is executed independently of A); in some embodiments, execution is selected from A and B (A and B are selectively executed). The above is also applicable when there are more branches such as A, B, C, etc.

[0141] The prefixes such as "first" and "second" in the embodiments of the present disclosure are only used to distinguish different description objects and do not constitute any restriction on the position, order, priority, quantity or content of the description objects. For the statement of the description object, please refer to the description in the context of the claims or embodiments, and no unnecessary restriction should be constituted due to the use of prefixes. For example, if the description object is a "field", the ordinal number before the "field" in the "first field" and the "second field" does not limit the position or order between the "fields". "First" and "second" do not limit whether the "fields" they modify are in the same message, nor do they limit the order of the "first field" and the "second field". For another example, if the description object is a "level", the ordinal number before the "level" in the "first level" and the "second level" does not limit the priority between the "levels". For another example, the number of description objects is not limited by the ordinal number and can be one or more. Taking "first device" as an example, the number of "devices" can be one or more. In addition, the objects modified by different prefixes can be the same or different. For example, if the description object is "device", then the "first device" and the "second device" can be the same device or different devices, and their types can be the same or different; for another example, if the description object is "information", then the "first information" and the "second information" can be the same information or different information, and their contents can be the same or different.

[0142] In some embodiments, “including A,” “comprising A,” “used to indicate A,” and “carrying A” can be interpreted as directly carrying A or indirectly indicating A.

[0143] In some embodiments, terms such as "in response to...", "in response to determining...", "in the case of...", "at the time of...", "when...", "if...", "if...", etc. can be used interchangeably.

[0144] In some embodiments, terms such as "greater than", "greater than or equal to", "not less than", "more than", "more than or equal to", "not less than", "higher than", "higher than or equal to", "not less than", and "above" can be replaced with each other, and terms such as "less than", "less than or equal to", "not greater than", "less than", "less than or equal to", "not more than", "lower than", "lower than or equal to", "not higher than", and "below" can be replaced with each other.

[0145] In some embodiments, devices and equipment can be interpreted as physical or virtual, and their names are not limited to the names recorded in the embodiments. In some cases, they can also be understood as "equipment", "device", "circuit", "network element", "node", "function", "unit", "section", "system", "network", "chip", "chip system", "entity", "subject", etc.

[0146] In some embodiments, "network" can be interpreted as devices included in the network, such as access network equipment, core network equipment, etc.

[0147] In some embodiments, "access network device (AN device)" may also be referred to as "radio access network device (RAN device)", "base station (BS)", "radio base station", "fixed station", and in some embodiments may also be understood as "node", "access point", "transmission point (TP)", "reception point (RP)", "transmission and / or reception point (TRP)" "panel", "antenna panel", "antenna array", "cell", "macro cell", "small cell", "femto cell", "pico cell", "sector", "cell group", "serving cell", "carrier", "component carrier", "bandwidth part (BWP)", etc.

[0148] In some embodiments, "terminal" or "terminal device" may be referred to as "user equipment (UE)", "user terminal" "mobile station (MS)", "mobile terminal (MT)", subscriber station, mobile unit, subscriber unit, wireless unit, remote unit, mobile device, wireless device, wireless communication device, remote device, mobile subscriber station, access terminal, mobile terminal, wireless terminal, remote terminal, handset, user agent, mobile client, client, etc.

[0149] In some embodiments, obtaining data, information, etc. may comply with the laws and regulations of the country where the data is obtained.

[0150] In some embodiments, data, information, etc. may be obtained with the user's consent.

[0151] In addition, each element, each row, or each column in the table of the embodiment of the present disclosure can be implemented as an independent embodiment, and the combination of any elements, any rows, and any columns can also be implemented as an independent embodiment.

[0152] FIG1 is a schematic diagram illustrating the architecture of a communication system according to an embodiment of the present disclosure. As shown in FIG1 , a communication system 100 includes a terminal 101 and a network device 102 .

[0153] In some embodiments, the terminal 101 includes, for example, a mobile phone, a wearable device, an Internet of Things device, a car with communication function, a smart car, a tablet computer, a computer with wireless transceiver function, a virtual reality (VR) terminal device, an augmented reality (AR) terminal device, a wireless terminal device in industrial control, a wireless terminal device in self-driving, a wireless terminal device in remote medical surgery, a wireless terminal device in a smart grid, a wireless terminal device in transportation safety, a wireless terminal device in a smart city, and at least one of a wireless terminal device in a smart home, but is not limited thereto.

[0154] In some embodiments, the network device 102 may include at least one of an access network device and a core network device.

[0155] In some embodiments, the access network device is, for example, a node or device that accesses a terminal to a wireless network. The access network device may include an evolved NodeB (eNB), a next generation evolved NodeB (ng-eNB), a next generation NodeB (gNB), a node B (NB), a home node B (HNB), a home evolved nodeB (HeNB), a wireless backhaul device, a radio network controller (RNC), a base station controller (BSC), a base transceiver station (BTS), a base band unit (BBU), a mobile switching center, a base station in a 6G communication system, an open base station (Open RAN), a cloud base station (Cloud RAN), a base station in other communication systems, and at least one of an access node in a Wi-Fi system, but is not limited thereto.

[0156] In some embodiments, the technical solution of the present disclosure can be applied to the Open RAN architecture. In this case, the interfaces between or within the access network devices involved in the embodiments of the present disclosure can be transformed into internal interfaces of the Open RAN, and the processes and information interactions between these internal interfaces can be implemented through software or programs.

[0157] In some embodiments, the access network device can be composed of a centralized unit (CU) and a distributed unit (DU), where the CU can also be called a control unit. The CU-DU structure can be used to split the protocol layer of the access network device, with the functions of some protocol layers centrally controlled by the CU, and the functions of the remaining part or all of the protocol layers distributed in the DU, which is centrally controlled by the CU, but is not limited to this.

[0158] In some embodiments, the core network device may be a device including multiple network elements, or may be multiple devices or device groups, each including all or part of multiple network elements. The network elements may be virtual or physical. The core network may include, for example, at least one of an Evolved Packet Core (EPC), a 5G Core Network (5GCN), and a Next Generation Core (NGC).

[0159] In some embodiments, the core network device may include a first network element, such as an Access and Mobility Management Function (AMF).

[0160] In some embodiments, the first network element is used for user access management and mobility management, but is not limited thereto.

[0161] In some embodiments, the core network device may include a second network element, which is, for example, a session management function (SMF).

[0162] In some embodiments, the second network element is used for session management of the control plane and the user plane, but is not limited thereto.

[0163] In some embodiments, the core network device may include a third network element, such as a user plane function (UPF).

[0164] In some embodiments, the third network element is used for data forwarding, traffic statistics, quality of service (QoS) management, etc. on the user plane, but is not limited thereto.

[0165] In some embodiments, the core network device may include a fourth network element, which is, for example, a policy control function (PCF).

[0166] In some embodiments, the fourth network element is used to implement user control policy management, including but not limited to QoS control, service access control, etc.

[0167] In some embodiments, the core network device may include a fifth network element, where the fifth network element is, for example, a unified data management function (UDM).

[0168] In some embodiments, the fifth network element is used to implement user subscription data management, roaming control, etc., but is not limited thereto.

[0169] In some embodiments, the core network device may include a sixth network element, which is, for example, an authentication service function (AUSF).

[0170] In some embodiments, the sixth network element is used to implement user identity authentication, but is not limited thereto.

[0171] In some embodiments, each of the above network elements may be independent of the core network device.

[0172] In some embodiments, each of the above network elements may be part of a core network device.

[0173] It can be understood that the communication system described in the embodiment of the present disclosure is for the purpose of more clearly illustrating the technical solution of the embodiment of the present disclosure, and does not constitute a limitation on the technical solution proposed in the embodiment of the present disclosure. Ordinary technicians in this field can know that with the evolution of the system architecture and the emergence of new business scenarios, the technical solution proposed in the embodiment of the present disclosure is also applicable to similar technical problems.

[0174] The following embodiments of the present disclosure may be applied to the communication system 100 shown in FIG1 , or a portion thereof, but are not limited thereto. The entities shown in FIG1 are illustrative only. The communication system may include all or part of the entities shown in FIG1 , or may include other entities outside of FIG1 . The number and form of the entities are arbitrary, and the entities may be physical or virtual. The connection relationships between the entities are illustrative only. The entities may be connected or disconnected, and the connection may be in any manner, including direct or indirect, wired or wireless.

[0175] The embodiments of the present disclosure can be applied to Long Term Evolution (LTE), LTE-Advanced (LTE-A), LTE-Beyond (LTE-B), SUPER 3G, IMT-Advanced, 4th generation mobile communication system (4G), 5th generation mobile communication system (5G), 5G new radio (NR), future radio access (FRA), new radio access technology (RAT), new radio (NR), new radio access (NX), future generation radio access (FX), Global System for Mobile communications (GSM (registered trademark)), CDMA2000, Ultra Mobile Broadband (UMB), IEEE 802.11 (Wi-Fi (registered trademark)), IEEE 802.16 (WiMAX (registered trademark)), IEEE 802.20, Ultra-WideBand (UWB), Bluetooth (registered trademark), Public Land Mobile Network (PLMN) networks, Device-to-Device (D2D) systems, Machine-to-Machine (M2M) systems, Internet of Things (IoT) systems, Vehicle-to-Everything (V2X), systems utilizing other communication methods, and next-generation systems based on and extending these methods. Furthermore, multiple systems may be combined (for example, a combination of LTE or LTE-A with 5G).

[0176] In some embodiments, the network device may configure K for the terminal. S (K S >1) CSI-RS resources are used for channel measurement, and the terminal can SChannel measurement is performed using each CSI-RS resource to obtain channel status information (CSI) corresponding to each CSI-RS resource.

[0177] Optionally, when K S =2, each CSI-RS resource can have up to 16 ports; when 2 <K S When ≤8, each CSI-RS resource can have a maximum of 8 ports. It should be noted that the maximum number of ports for each CSI-RS resource is 32.

[0178] In some embodiments, when the terminal reports the channel status information to the network device, it can obtain the channel status information from K S A part of CSI-RS resources is selected from the CSI-RS resources, thereby reporting the CSI corresponding to the selected part of CSI-RS resources.

[0179] In some embodiments, in addition to reporting the CSI corresponding to the selected part of the CSI-RS resources to the network device, the terminal can also report CRI to the network device to indicate the selected CSI-RS resources, but is not limited to this. The terminal can also report other indication information to the network device to indicate the selected CSI-RS resources.

[0180] In some embodiments, when the terminal reports CSI based on multiple CSI-RS resources, multiple CRIs can be reported to the network device, and one CRI is used to indicate a selected CSI-RS resource, so as to achieve the purpose of reporting CRI to the network device to indicate the selected CSI-RS resource.

[0181] However, multiple reports may result in an increase in the indication overhead of CRI. If CRI is not reported to the network device to indicate the selected CSI-RS resources, the network device may not be able to complete the corresponding CSI-RS resource configuration. In view of this, the embodiment of the present disclosure provides an information reporting method to achieve the purpose of reporting CRI to the network device to indicate the selected CSI-RS resources while reducing the indication overhead of CRI.

[0182] FIG2 is an interactive diagram of an information reporting method according to an embodiment of the present disclosure. As shown in FIG2 , the embodiment of the present disclosure relates to an information reporting method, which includes:

[0183] Step S2101: The network device configures a first CSI-RS resource for the terminal.

[0184] The first CSI-RS resource may include multiple CSI-RS resources, and all of these multiple CSI-RS resources may be used for channel measurement.

[0185] Optionally, the multiple CSI-RS resources included in the first CSI-RS resource may be configured by the network device for the terminal, wherein each CSI-RS resource may have multiple CSI-RS ports.

[0186] Optionally, the purpose of configuring multiple CSI-RS resources for the terminal can be achieved by configuring a CSI-RS resource group or a CSI-RS resource set for the terminal, and each CSI-RS resource group or CSI-RS resource set includes multiple CSI-RS resources.

[0187] In some embodiments, the network device may configure multiple CSI-RS resource groups for the terminal, where the multiple CSI-RS resource groups come from one or more CSI-RS resource sets, and each CSI-RS resource group includes multiple CSI-RS resources.

[0188] Optionally, the network device may configure a CSI-RS resource set including multiple CSI-RS resources for the terminal, and divide the multiple CSI-RS resources included in the CSI-RS resource set into multiple CSI-RS resource groups.

[0189] Optionally, the network device may configure multiple CSI-RS resource sets for the terminal, each of which may include multiple CSI-RS resources. The network device may divide these multiple CSI-RS resources into multiple CSI-RS resource groups. For example, the network device may divide multiple CSI-RS resources from one CSI-RS resource set into one CSI-RS resource group, but is not limited thereto.

[0190] Optionally, the multiple CSI-RS resources included in the CSI-RS resource set may be divided into multiple CSI-RS resource groups in ascending order of resource identification (Identity, ID).

[0191] Alternatively, the multiple CSI-RS resources included in the CSI-RS resource set may be divided into multiple CSI-RS resource groups in descending order of resource identifiers.

[0192] Optionally, the number of CSI-RS resources included in each CSI-RS resource group may be the same, or the number of CSI-RS resources included in each CSI-RS resource group may be different, which is not limited in the embodiments of the present disclosure.

[0193] For example, the network device can configure a terminal with a K S CSI-RS resource set of CSI-RS resources, so that K SThe CSI-RS resources are divided into N CSI-RS resource groups, each CSI-RS resource group can include at least L CSI-RS resources, and each CSI-RS resource can have P CSI-RS ports. Optionally, K can be sorted in ascending or descending order according to the CSI-RS resource ID. S The CSI-RS resources are divided into N CSI-RS resource groups.

[0194] In some embodiments, the network device may configure multiple CSI-RS resource sets for the terminal, where each CSI-RS resource set includes multiple CSI-RS resources.

[0195] For example, the network device may configure N CSI-RS resource sets for the terminal, each CSI-RS resource set may include at least L CSI-RS resources, and each CSI-RS resource may have P CSI-RS ports.

[0196] Optionally, the resource set identifiers of multiple CSI-RS resource sets are increasing, or the resource set identifiers of multiple CSI-RS resource sets are decreasing, or the resource set identifiers of multiple CSI-RS resource sets are in a random order, which is not limited in the embodiments of the present disclosure.

[0197] In some embodiments, the terms "resource set", "resource group", "resource", "precoding", "precoder", "weight", "precoding weight", "quasi-co-location (QCL)", "transmission configuration indication (TCI) state", "spatial relation", "spatial domain filter", "transmission power", "phase rotation", "antenna port", "antenna port group", "layer", "the number of layers", "rank", "beam", "beam width", "beam angular degree", "antenna", "antenna element", "panel" and the like can be used interchangeably.

[0198] Step S2102: The network device sends a first CSI-RS resource to the terminal.

[0199] In some embodiments, the network device may send multiple CSI-RS resource groups to the terminal, where the CSI-RS resource groups include multiple CSI-RS resources, and the multiple CSI-RS resource groups come from one or more CSI-RS resource sets.

[0200] Optionally, the network device may send multiple simulated beams to the terminal; wherein, multiple CSI-RS resources included in a CSI-RS resource group are sent through one simulated beam.

[0201] In some embodiments, the network device may send multiple CSI-RS resource sets to the terminal, where the CSI-RS resource set includes multiple CSI-RS resources.

[0202] Optionally, the network device may send multiple simulated beams to the terminal; wherein multiple CSI-RS resources included in a CSI-RS resource set are sent through one simulated beam.

[0203] In some embodiments, the terminal may receive multiple CSI-RS resource groups sent by a network device, where the CSI-RS resource groups include multiple CSI-RS resources, and the multiple CSI-RS resource groups come from one or more CSI-RS resource sets.

[0204] Optionally, the terminal may receive multiple simulated beams sent by the network device, and one received simulated beam may be used to carry multiple CSI-RS resources included in a CSI-RS resource group.

[0205] In some embodiments, the terminal may receive multiple CSI-RS resource sets sent by a network device, where the CSI-RS resource sets include multiple CSI-RS resources.

[0206] Optionally, the terminal may receive multiple simulated beams sent by the network device, and one received simulated beam may be used to carry multiple CSI-RS resources included in a CSI-RS resource set.

[0207] Step S2103: The terminal performs channel measurement based on the first CSI-RS resource.

[0208] In some embodiments, the terminal may perform channel measurement based on multiple CSI-RS resources included in the first CSI-RS resource to obtain first information measured on each CSI-RS resource.

[0209] In some embodiments, the terminal may perform channel measurement based on multiple CSI-RS resources included in each received CSI-RS resource group to obtain first information measured on each CSI-RS resource group.

[0210] In some embodiments, the terminal may perform channel measurement based on multiple CSI-RS resources included in each received CSI-RS resource set to obtain first information measured on each CSI-RS resource set.

[0211] Optionally, the name of the first information is not limited, and it may be, for example, "channel state information CSI" or the like.

[0212] In some embodiments, the names of information, etc. are not limited to the names described in the embodiments, and terms such as "information", "message", "signal", "signaling", "report", "configuration", "indication", "instruction", "command", "channel", "parameter", "domain", "field", "symbol", "symbol", "codeword", "codebook", "codeword", "codepoint", "bit", "data", "program", and "chip" can be used interchangeably.

[0213] Step S2104: The terminal sends first information to the network device.

[0214] In some embodiments, the terminal may send first information measured on the second CSI-RS resource to the network device.

[0215] In some embodiments, the terminal may select a second CSI-RS resource from the first CSI-RS resource, thereby sending the first information measured on the second CSI-RS resource to the network device.

[0216] The second CSI-RS resource may include multiple CSI-RS resources.

[0217] In some embodiments, the first CSI-RS resource includes multiple CSI-RS resource groups. The terminal can select at least one CSI-RS resource group as the second CSI-RS resource from the multiple CSI-RS resource groups included in the first CSI-RS resource, thereby sending the first information (i.e., CSI) measured on the multiple CSI-RS resources included in the at least one CSI-RS resource group to the network device.

[0218] In some embodiments, the first CSI-RS resource includes multiple CSI-RS resource sets. The terminal can select at least one CSI-RS resource set as the second CSI-RS resource from the multiple CSI-RS resource sets included in the first CSI-RS resource, thereby sending the first information (i.e., CSI) measured on the multiple CSI-RS resources included in the at least one CSI-RS resource set to the network device.

[0219] The first information may include at least first indication information, where the first indication information is used to indicate the second CSI-RS resource selected by the terminal from the first CSI-RS resource.

[0220] Optionally, the second CSI-RS resource may be at least one CSI-RS resource group, or the second CSI-RS resource may be at least one CSI-RS resource set, that is, the first indication information may be used to indicate at least one CSI-RS resource group or CSI-RS resource set selected by the terminal.

[0221] In some embodiments, the first CSI-RS resource configured by the network device for the terminal includes multiple CSI-RS resource groups, and the first indication information may be used to indicate at least one CSI-RS resource group selected by the terminal.

[0222] Optionally, when reporting the first indication information for indicating the multiple CSI-RS resource groups selected by the terminal, the terminal may report the first indication information in ascending order of the resource group identifiers of the multiple CSI-RS resource groups; or, the terminal may report the first indication information in descending order of the resource group identifiers of the multiple CSI-RS resource groups.

[0223] In some embodiments, the first CSI-RS resource configured by the network device for the terminal includes multiple CSI-RS resource sets, and the first indication information may be used to indicate at least one CSI-RS resource set selected by the terminal.

[0224] Optionally, the resource set identifiers of the multiple CSI-RS resource sets configured by the network device for the terminal are incremental. When the terminal reports the first indication information used to indicate the multiple CSI-RS resource sets selected by the terminal, the first indication information can be reported in the ascending order of the resource set identifiers of at least one CSI-RS resource group.

[0225] Optionally, the resource set identifiers of the multiple CSI-RS resource sets configured by the network device for the terminal are decreasing. When the terminal reports the first indication information used to indicate the multiple CSI-RS resource sets selected by the terminal, the first indication information can be reported in the decreasing order of the resource set identifiers of at least one CSI-RS resource group.

[0226] Optionally, the resource set identifiers of the multiple CSI-RS resource sets configured by the network device for the terminal are in a random order. When the terminal reports the first indication information used to indicate the multiple CSI-RS resource sets selected by the terminal, the first indication information can be reported based on the result of sorting the resource set identifiers of the multiple CSI-RS resource sets.

[0227] For example, the terminal may report the first indication information based on the ascending order of the resource set identifiers of multiple CSI-RS resource sets, or the terminal may report the first indication information based on the descending order of the resource set identifiers of multiple CSI-RS resource sets.

[0228] In some embodiments, the name of the first indication information is not limited, and it can be, for example, "CSI-RS Resource Indication (CRI)", "resource indication information", etc.

[0229] In some embodiments, the second CSI-RS resource selected by the terminal is a CSI-RS resource group, and the length of the first indication information is determined based on the number of CSI-RS resource groups included in the first CSI-RS resource, or in other words, the length of the first indication information is determined based on the number of CSI-RS resource groups configured by the network device for the terminal.

[0230] Optionally, the first indication information is a number of bits data, N is the number of CSI-RS resource groups included in the first CSI-RS resource, or in other words, N is the number of CSI-RS resource groups configured by the network device for the terminal.

[0231] For example, the terminal can report Indicates a selected CSI-RS resource group.

[0232] In some embodiments, the second CSI-RS resource selected by the terminal is a CSI-RS resource set, and the length of the first indication information is determined based on the number of CSI-RS resource sets included in the first CSI-RS resource, or in other words, the length of the first indication information is determined based on the number of CSI-RS resource sets configured by the network device for the terminal.

[0233] Optionally, the first indication information is a number of bits data, N is the number of CSI-RS resource sets included in the first CSI-RS resource, or in other words, N is the number of CSI-RS resource sets configured by the network device for the terminal.

[0234] For example, the terminal can report Indicates a selected CSI-RS resource set.

[0235] In some embodiments, the second CSI-RS resource selected by the terminal includes multiple CSI-RS resource groups, and the length of the first indication information is based on the number of CSI-RS resource groups included in the first CSI-RS resource, or in other words, the length of the first indication information is determined based on the number of CSI-RS resource groups configured by the network device for the terminal.

[0236] Optionally, the first indication information is a bitmap with a bit width of N bits, where N is the number of CSI-RS resource groups included in the first CSI-RS resource, or in other words, N is the number of CSI-RS resource groups configured by the network device for the terminal. For example, the terminal may indicate the selected multiple (e.g., M) CSI-RS resource groups by reporting a bitmap of N bits.

[0237] In some embodiments, the second CSI-RS resource selected by the terminal includes multiple CSI-RS resource sets, and the length of the first indication information is based on the number of CSI-RS resource sets included in the first CSI-RS resource, or in other words, the length of the first indication information is determined based on the number of CSI-RS resource sets configured by the network device for the terminal.

[0238] Optionally, the first indication information is a bitmap with a bit width of N bits, where N is the number of CSI-RS resource sets included in the first CSI-RS resource, or in other words, N is the number of CSI-RS resource sets configured by the network device for the terminal. For example, the terminal may indicate the selected multiple (e.g., M) CSI-RS resource sets by reporting a bitmap with N bits.

[0239] In some embodiments, the second CSI-RS resource selected by the terminal includes multiple CSI-RS resource groups, and the length of the first indication information is determined based on the number of CSI-RS resource groups included in the first CSI-RS resource and the number of CSI-RS resource groups included in the second CSI-RS resource. In other words, the length of the first indication information is determined based on the number of CSI-RS resource groups configured by the network device for the terminal and the number of CSI-RS resource groups selected by the terminal.

[0240] Optionally, the first indication information is a number of bits The data, or the number of bits is data.

[0241] Among them, N is the number of CSI-RS resource groups included in the first CSI-RS resource, or in other words, N is the number of CSI-RS resource groups configured by the network device for the terminal; M is the number of CSI-RS resource groups included in the second CSI-RS resource, or in other words, M is the number of CSI-RS resource groups selected by the terminal. It should be noted that, Indicates the number of combinations for selecting M CSI-RS resource groups from N CSI-RS resource groups.

[0242] For example, the terminal can report Indicates the selected M CSI-RS resource groups, or the terminal can report Indicates the selected M CSI-RS resource groups.

[0243] In some embodiments, the second CSI-RS resource selected by the terminal includes multiple CSI-RS resource sets, and the length of the first indication information is determined based on the number of CSI-RS resource sets included in the first CSI-RS resource and the number of CSI-RS resource sets included in the second CSI-RS resource. In other words, the length of the first indication information is determined based on the number of CSI-RS resource sets configured by the network device for the terminal and the number of CSI-RS resource sets selected by the terminal.

[0244] Optionally, the first indication information is a number of bits The data, or the number of bits is data.

[0245] Among them, N is the number of CSI-RS resource sets included in the first CSI-RS resource, or in other words, N is the number of CSI-RS resource sets configured by the network device for the terminal; M is the number of CSI-RS resource sets included in the second CSI-RS resource, or in other words, M is the number of CSI-RS resource sets selected by the terminal. It should be noted that, Indicates the number of combinations for selecting M CSI-RS resource sets from N CSI-RS resource sets.

[0246] For example, the terminal can report Indicates the selected M CSI-RS resource sets, or the terminal can report Indicates the selected M CSI-RS resource sets.

[0247] It should be noted that N is the number of CSI-RS resource groups or CSI-RS resource sets configured by the network device for the terminal, that is, N has been implicitly indicated by the network device.

[0248] Optionally, M is determined by the terminal itself, or M is predefined, or M is configured by a network device.

[0249] In some embodiments, M is determined by the terminal itself, and the first indication information may be a number of bits. That is, M is determined by the terminal itself, and the terminal can report Indicates the selected M CSI-RS resource groups or M CSI-RS resource sets.

[0250] In some embodiments, M is configured or predefined by the network device, and the first indication information may be a number of bits. That is, M is configured or predefined by the network device, and the terminal can report Indicates the selected M CSI-RS resource groups or M CSI-RS resource sets.

[0251] In some embodiments, the first information also includes second indication information, and the second indication information includes at least one of rank indication (RI), layer indication (LI), channel quality indication (CQI), precoding matrix indication (PMI), and reference signal received power (RSRP).

[0252] Optionally, the second indication information in the above example can be arbitrarily combined with the first indication information. For example, the first information may include CRI-RI-PMI-CQI, that is, the terminal can report CRI, RI, PMI and CQI together; for another example, the first information may include CRI-RI-LI-PMI-CQI, that is, the terminal can report CRI, RI, LI, PMI and CQI together; for another example, the first information may include CRI-RI-CQI, that is, the terminal can report CRI, RI and CQI together; for another example, the first information may include CRI-RSRP, that is, the terminal can report CRI and RSRP together, and so on.

[0253] That is, the terminal may send CSI including CRI to the network device, but is not limited thereto. The CSI sent by the terminal may also include at least one of RI, LI, CQI, PMI, and RSRP.

[0254] In some embodiments, terms such as "reference signal (RS)", "synchronization signal (SS)", "synchronization signal block (SSB)", "pilot", and "pilot signal" can be used interchangeably.

[0255] In some embodiments, the terms "precoding matrix," "codebook," and "codeword" may be used interchangeably. For example, a codebook may be a collection of one or more codewords / precoding matrices.

[0256] In some embodiments, the network device may receive first information sent by the terminal.

[0257] Step S2106: The network device performs downlink data transmission based on the first information.

[0258] In some embodiments, the network device may make a resource allocation decision based on the first information reported by the terminal.

[0259] For example, based on the first information reported by the terminal, the network device can select a transmission mode, code rate, modulation method, etc. that is suitable for the current channel state to achieve corresponding downlink data transmission and improve the quality and efficiency of downlink transmission; in addition, the network device can optimize the direction and shape of the transmission beam based on the first information reported by the terminal, thereby increasing the transmission efficiency and coverage range of the signal to provide a better user experience.

[0260] According to the information reporting method provided by the embodiment of the present disclosure, the network device can configure K for the terminal. S CSI-RS resources, the terminal can receive K S The CSI-RS resources are used to perform channel measurement to estimate the channel state of the downlink channel.

[0261] In some embodiments, the terms "downlink", "downlink channel", "downlink", "physical downlink", etc. can be used interchangeably.

[0262] In some embodiments, the network device can configure a terminal with a K S CSI-RS resource set of CSI-RS resources, and K S The CSI-RS resources are divided into N CSI-RS resource groups, each CSI-RS resource group includes at least L CSI-RS resources, and each CSI-RS resource has P CSI-RS ports.

[0263] Optionally, K can be sorted in ascending or descending order according to the CSI-RS resource ID. S The CSI-RS resources are divided into N CSI-RS resource groups.

[0264] In some embodiments, the network device may configure N CSI-RS resource sets for the terminal, each CSI-RS resource set includes at least L CSI-RS resources, and each CSI-RS resource has P CSI-RS ports.

[0265] Optionally, the network device may use an analog beam to send L CSI-RS resources, that is, the L CSI-RS resources contained in a CSI-RS resource group or CSI-RS resource set configured by the network device for the terminal may be sent through an analog beam.

[0266] In some embodiments, the terminal can receive N CSI-RS resource groups or N CSI-RS resource sets configured by the network device, and then perform CSI measurement with L CSI-RS resources in each CSI-RS resource group or CSI-RS resource set, and implement CRI, RI, PMI, CQI, and LI indication reporting at the same time as reporting CSI.

[0267] Optionally, there are two implementation methods for reporting CRI indications:

[0268] Implementation method 1: The terminal only reports M=1 CRIs.

[0269] Optionally, by reporting Indicates a selected CSI-RS resource group or CSI-RS resource set.

[0270] Implementation method 2: The terminal reports M > 1 CRIs.

[0271] Optionally, the terminal indicates the selected M CSI-RS resource groups or CSI-RS resource sets by reporting a bitmap with a size of N bits.

[0272] Optionally, the terminal reports Indicates the selected M CSI-RS resource groups or CSI-RS resource sets, It represents the calculation of the number of combinations of selecting M CSI-RS resource groups (or CSI-RS resource sets) from N CSI-RS resource groups (or CSI-RS resource sets), where M is configured by the network device or predefined.

[0273] Optionally, the terminal reports Indicates the selected M CSI-RS resource groups or CSI-RS resource sets, where M is selected by the terminal itself. This can represent the M value of the CSI-RS resource group or CSI-RS resource set selected by the terminal.

[0274] To facilitate understanding, two specific examples are used below to further illustrate the information reporting method provided by the embodiment of the present disclosure.

[0275] Example 1: Assume that the network device configures a CSI-RS resource set for the terminal. The CSI-RS resource set contains K S= 8 CSI-RS resources, with CSI-RS resource ID values ​​of 1, 2, 3, ..., 8. These 8 CSI-RS resources are sorted in ascending order according to their CSI-RS resource IDs and divided into 4 groups, resulting in N = 4 CSI-RS resource groups, each of which contains L = 2 CSI-RS resources. The network device can transmit the CSI-RS resources included in these 4 CSI-RS resource groups using 4 simulated beams, respectively. That is, the CSI-RS resources in each CSI-RS resource group are transmitted using the same simulated beam.

[0276] The terminal can perform channel estimation based on the received four CSI-RS resource groups and calculate the RI, PMI or CQI based on the two CSI-RS resources in each CSI-RS resource group.

[0277] Optionally, the terminal can determine which CSI-RS resource group corresponds to RI, PMI or CQI based on the calculated RI or CQI value. Indicates a selected CSI-RS resource group.

[0278] Optionally, if the terminal selects M=2 CSI-RS resource groups, the selected CSI-RS resource groups may be indicated by a bitmap of size N=4 bits as shown in Table 1 below.

[0279] Table 1

[0280] 1 indicates that the resource group is selected, and 0 indicates that the resource group is not selected. As shown in Table 1, the CSI-RS resource groups selected by the terminal are CSI-RS resource group 1 and CSI-RS resource group 2.

[0281] Example 2: The network device configures N = 4 CSI-RS resource sets for the terminal, each of which contains L = 2 CSI-RS resources. The network device can transmit all CSI-RS resources in these four CSI-RS resource sets using four simulated beams. The terminal can calculate the RI, PMI, or CQI based on the received CSI-RS resource sets in the CSI-RS resource set, and then select one or more CRIs for reporting based on the calculated RI or CQI.

[0282] Optionally, if the network device configures the terminal with parameter M=2, the terminal can Indicates the two selected CSI-RS resource sets.

[0283] If the traditional instruction method is used, it needs to be reported To indicate the two selected CSI-RS resource sets, compared with the traditional indication method, the information reporting method provided by the embodiment of the present disclosure can reduce the indication overhead by half.

[0284] In some embodiments, "obtain", "get", "get", "receive", "transmit", "bidirectional transmission", "send and / or receive" can be interchangeable, and can be interpreted as receiving from other entities, obtaining from protocols, obtaining from higher layers, obtaining by self-processing, autonomous implementation, etc.

[0285] In some embodiments, terms such as "send", "transmit", "report", "download", "transmit", "bidirectional transmission", "send and / or receive" can be used interchangeably.

[0286] In some embodiments, terms such as "certain", "preset", "preset", "setting", "indicated", "a certain", "any", and "first" can be interchangeable. "Specific A", "preset A", "preset A", "setting A", "indicated A", "a certain A", "any A", and "first A" can be interpreted as A pre-specified in a protocol, etc., or as A obtained through setting, configuration, or indication, etc., or as specific A, a certain A, any A, or first A, etc., but not limited to this.

[0287] In some embodiments, the determination or judgment can be performed by a value represented by 1 bit (0 or 1), or by a true or false value (Boolean value) represented by true or false, or by comparison of numerical values ​​(for example, comparison with a predetermined value), but is not limited thereto.

[0288] In some embodiments, "not expecting to receive" can be interpreted as not receiving on time domain resources and / or frequency domain resources, or as not performing subsequent processing on the data after receiving it; "not expecting to send" can be interpreted as not sending, or as sending but not expecting the recipient to respond to the content sent.

[0289] The communication method involved in the embodiments of the present disclosure may include at least one of steps S2101 to S2105. For example, step S2101 can be implemented as an independent embodiment, step S2104 can be implemented as an independent embodiment, steps S2101+S2102 can be implemented as an independent embodiment, steps S2101+S2102+S2103 can be implemented as an independent embodiment, steps S2103+S2104 can be implemented as an independent embodiment, steps S2104+S2105 can be implemented as an independent embodiment, and steps S2103+S2104+S2105 can be implemented as an independent embodiment, but are not limited thereto.

[0290] In some embodiments, steps S2102, S2103, S2104, and S2105 are optional, and one or more of these steps may be omitted or replaced in different embodiments.

[0291] In some embodiments, steps S2101, S2102, S2103, and S2105 are optional, and one or more of these steps may be omitted or replaced in different embodiments.

[0292] In some embodiments, reference may be made to other optional implementations described before or after the description corresponding to FIG. 2 .

[0293] FIG3A is a flow chart of an information reporting method according to an embodiment of the present disclosure. As shown in FIG3A , the embodiment of the present disclosure relates to an information reporting method, which includes:

[0294] Step S3101: Acquire a first CSI-RS resource.

[0295] The optional implementation of step S3101 can refer to step S2101 in FIG. 2 , the optional implementation of step S2102 , and other related parts in the embodiment involved in FIG. 2 , which will not be repeated here.

[0296] In some embodiments, the terminal receives the first CSI-RS resource sent by the network device, but is not limited thereto and may also receive the first CSI-RS resource sent by other entities.

[0297] The first CSI-RS resource includes multiple CSI-RS resources, and all of the multiple CSI-RS resources can be used for channel measurement.

[0298] In some embodiments, the terminal receives multiple CSI-RS resource groups sent by a network device, where the multiple CSI-RS resource groups come from one or more CSI-RS resource sets, and each CSI-RS resource group includes multiple CSI-RS resources.

[0299] In some embodiments, the terminal receives multiple CSI-RS resource sets sent by the network device, where each CSI-RS resource set includes multiple CSI-RS resources.

[0300] In some embodiments, the terminal acquires a first CSI-RS resource specified by a protocol.

[0301] In some embodiments, the terminal obtains the first CSI-RS resource from upper layer(s).

[0302] In some embodiments, the terminal performs processing to obtain the first CSI-RS resource.

[0303] Step S3102: Perform channel measurement based on the first CSI-RS resource.

[0304] The optional implementation of step S3102 can refer to the optional implementation of step S2103 in Figure 2 and other related parts in the embodiment involved in Figure 2, which will not be repeated here.

[0305] Step S3103, sending the first information.

[0306] The optional implementation of step S3103 can refer to the optional implementation of step S2104 in Figure 2 and other related parts in the embodiment involved in Figure 2, which will not be repeated here.

[0307] In some embodiments, the terminal sends the first information to the network device, but is not limited thereto, and the first information may also be sent to other entities.

[0308] The first information includes at least first indication information, and the first indication information is used to indicate the second CSI-RS resource selected by the terminal from the first CSI-RS resource, and the second CSI-RS resource includes multiple CSI-RS resources.

[0309] Optionally, the second CSI-RS resource is at least one CSI-RS resource group, or the second CSI-RS resource is at least one CSI-RS resource set, that is, the first indication information is used to indicate at least one CSI-RS resource group or CSI-RS resource set selected by the terminal.

[0310] In some embodiments, the second CSI-RS resource selected by the terminal is a CSI-RS resource group, and the length of the first indication information is determined based on the number of CSI-RS resource groups included in the first CSI-RS resource.

[0311] In some embodiments, the second CSI-RS resource selected by the terminal is a CSI-RS resource set, and the length of the first indication information is determined based on the number of CSI-RS resource sets included in the first CSI-RS resource.

[0312] In some embodiments, the first indication information is a bit number of data; wherein N is the number of CSI-RS resource groups included in the first CSI-RS resource, or N is the number of CSI-RS resource sets included in the first CSI-RS resource.

[0313] In some embodiments, the second CSI-RS resource selected by the terminal includes multiple CSI-RS resource groups, and the length of the first indication information is determined based on the number of CSI-RS resource groups included in the first CSI-RS resource.

[0314] In some embodiments, the second CSI-RS resource selected by the terminal includes multiple CSI-RS resource sets, and the length of the first indication information is determined based on the number of CSI-RS resource sets included in the first CSI-RS resource.

[0315] In some embodiments, the first indication information is a bitmap with a bit width of N bits; wherein N is the number of CSI-RS resource groups included in the first CSI-RS resource, or N is the number of CSI-RS resource sets included in the first CSI-RS resource.

[0316] In some embodiments, the second CSI-RS resource selected by the terminal includes multiple CSI-RS resource groups, and the length of the first indication information is determined based on the number of CSI-RS resource groups included in the first CSI-RS resource and the number of CSI-RS resource groups included in the second CSI-RS resource.

[0317] In some embodiments, the second CSI-RS resource selected by the terminal includes multiple CSI-RS resource groups, and the length of the first indication information is determined based on the number of CSI-RS resource sets included in the first CSI-RS resource and the number of CSI-RS resource sets included in the second CSI-RS resource.

[0318] In some embodiments, the first indication information is a bit number of data; or, the number of bits is data.

[0319] Wherein, N is the number of CSI-RS resource groups included in the first CSI-RS resource, and M is the number of CSI-RS resource groups included in the second CSI-RS resource. Alternatively, N is the number of CSI-RS resource sets included in the first CSI-RS resource, and M is the number of CSI-RS resource sets included in the second CSI-RS resource.

[0320] Here, M is determined by the terminal itself, or M is predefined, or M is configured by the network device.

[0321] In some embodiments, the first information also includes second indication information, and the second indication information includes at least one of a rank indication RI, a layer indication LI, a channel quality indication CQI, a precoding matrix indication PMI, and a reference signal received power RSRP.

[0322] The communication method involved in the embodiments of the present disclosure may include at least one of steps S3101 to S3103. For example, step S3101 may be implemented as an independent embodiment, step S3103 may be implemented as an independent embodiment, steps S3101+S3102 may be implemented as independent embodiments, and steps S3102+S3103 may be implemented as independent embodiments, but are not limited thereto.

[0323] In some embodiments, steps S3102 and S3103 are optional, and one or more of these steps may be omitted or replaced in different embodiments.

[0324] In some embodiments, steps S3101 and S3102 are optional, and one or more of these steps may be omitted or replaced in different embodiments.

[0325] FIG3B is a flow chart of an information reporting method according to an embodiment of the present disclosure. As shown in FIG3B , the embodiment of the present disclosure relates to an information reporting method, which includes:

[0326] Step S3201: configure a first CSI-RS resource for the terminal.

[0327] The optional implementation of step S3201 can refer to the optional implementation of step S2101 in Figure 2 and other related parts in the embodiment involved in Figure 2, which will not be repeated here.

[0328] The first CSI-RS resource includes multiple CSI-RS resources, and all of the multiple CSI-RS resources can be used for channel measurement.

[0329] In some embodiments, the network device configures multiple CSI-RS resource groups for the terminal, where the multiple CSI-RS resource groups come from one or more CSI-RS resource sets, and each CSI-RS resource group includes multiple CSI-RS resources.

[0330] Optionally, the network device configures multiple CSI-RS resource groups from one or more CSI-RS resource sets for the terminal. The network device can divide the multiple CSI-RS resources included in the one or more CSI-RS resource sets into multiple CSI-RS resource groups in ascending order of resource identifiers.

[0331] Optionally, the network device configures multiple CSI-RS resource groups from one or more CSI-RS resource sets for the terminal. The network device may divide the multiple CSI-RS resources included in the one or more CSI-RS resource sets into multiple CSI-RS resource groups in descending order of resource identifiers.

[0332] In some embodiments, the network device configures multiple CSI-RS resource sets for the terminal, and each CSI-RS resource set includes multiple CSI-RS resources.

[0333] Optionally, the resource set identifiers of the multiple CSI-RS resource sets are increasing, or the resource set identifiers of the multiple CSI-RS resource sets are decreasing, or the resource set identifiers of the multiple CSI-RS resource sets are in random order.

[0334] Step S3202: Send a first CSI-RS resource.

[0335] The optional implementation of step S3202 can refer to step S2102 in Figure 2, the optional implementation of step S3101 in Figure 3A, and other related parts in the embodiments involved in Figures 2 and 3A, which will not be repeated here.

[0336] In some embodiments, the network device sends the first CSI-RS resource to the terminal, but is not limited thereto, and the first CSI-RS resource may also be sent to other entities.

[0337] In some embodiments, the network sends multiple CSI-RS resource groups to the terminal, where the multiple CSI-RS resource groups come from one or more CSI-RS resource sets, and each CSI-RS resource group includes multiple CSI-RS resources.

[0338] In some embodiments, the network device sends multiple CSI-RS resource sets to the terminal, each CSI-RS resource set including multiple CSI-RS resources.

[0339] Step S3203, obtaining first information.

[0340] Optional implementations of step S3203 may refer to step S2104 in FIG. 2 , optional implementations of step S3103 in FIG. 3A , and other related parts in the embodiments involved in FIG. 2 and FIG. 3A , which will not be described in detail here.

[0341] In some embodiments, the network device may receive the first information sent by the terminal, but is not limited thereto, and may also receive the first information sent by other entities.

[0342] The first information includes at least first indication information, and the first indication information is used to indicate the second CSI-RS resource selected by the terminal from the first CSI-RS resource, and the second CSI-RS resource includes multiple CSI-RS resources.

[0343] Optionally, the second CSI-RS resource is at least one CSI-RS resource group, or the second CSI-RS resource is at least one CSI-RS resource set, that is, the first indication information is used to indicate at least one CSI-RS resource group or CSI-RS resource set selected by the terminal.

[0344] In some embodiments, the second CSI-RS resource selected by the terminal is a CSI-RS resource group, and the length of the first indication information is determined based on the number of CSI-RS resource groups included in the first CSI-RS resource.

[0345] In some embodiments, the second CSI-RS resource selected by the terminal is a CSI-RS resource set, and the length of the first indication information is determined based on the number of CSI-RS resource sets included in the first CSI-RS resource.

[0346] In some embodiments, the first indication information is a bit number of data; wherein N is the number of CSI-RS resource groups included in the first CSI-RS resource, or N is the number of CSI-RS resource sets included in the first CSI-RS resource.

[0347] In some embodiments, the second CSI-RS resource selected by the terminal includes multiple CSI-RS resource groups, and the length of the first indication information is determined based on the number of CSI-RS resource groups included in the first CSI-RS resource.

[0348] In some embodiments, the second CSI-RS resource selected by the terminal includes multiple CSI-RS resource sets, and the length of the first indication information is determined based on the number of CSI-RS resource sets included in the first CSI-RS resource.

[0349] In some embodiments, the first indication information is a bitmap with a bit width of N bits; wherein N is the number of CSI-RS resource groups included in the first CSI-RS resource, or N is the number of CSI-RS resource sets included in the first CSI-RS resource.

[0350] In some embodiments, the second CSI-RS resource selected by the terminal includes multiple CSI-RS resource groups, and the length of the first indication information is determined based on the number of CSI-RS resource groups included in the first CSI-RS resource and the number of CSI-RS resource groups included in the second CSI-RS resource.

[0351] In some embodiments, the second CSI-RS resource selected by the terminal includes multiple CSI-RS resource groups, and the length of the first indication information is determined based on the number of CSI-RS resource sets included in the first CSI-RS resource and the number of CSI-RS resource sets included in the second CSI-RS resource.

[0352] In some embodiments, the first indication information is a bit number of data; or, the number of bits is data.

[0353] Wherein, N is the number of CSI-RS resource groups included in the first CSI-RS resource, and M is the number of CSI-RS resource groups included in the second CSI-RS resource. Alternatively, N is the number of CSI-RS resource sets included in the first CSI-RS resource, and M is the number of CSI-RS resource sets included in the second CSI-RS resource.

[0354] Here, M is determined by the terminal itself, or M is predefined, or M is configured by the network device.

[0355] In some embodiments, the first information also includes second indication information, and the second indication information includes at least one of a rank indication RI, a layer indication LI, a channel quality indication CQI, a precoding matrix indication PMI, and a reference signal received power RSRP.

[0356] Step S3204: Perform downlink data transmission based on the first information.

[0357] The optional implementation of step S3205 can refer to the optional implementation of step S2105 in Figure 2 and other related parts in the embodiment involved in Figure 2, which will not be repeated here.

[0358] The communication method involved in the embodiments of the present disclosure may include at least one of steps S3201 to S3204. For example, step S3201 may be implemented as an independent embodiment, step S3203 may be implemented as an independent embodiment, steps S3201+S3202 may be implemented as an independent embodiment, steps S3201+S3202+S3203 may be implemented as an independent embodiment, and steps S3202+S3202+S3204 may be implemented as an independent embodiment, but are not limited thereto.

[0359] In some embodiments, steps S3202, S3203, and S3204 are optional, and one or more of these steps may be omitted or replaced in different embodiments.

[0360] In some embodiments, steps S3201, S3202, and S3204 are optional, and one or more of these steps may be omitted or replaced in different embodiments.

[0361] In the embodiment of the present disclosure, steps S3201 and S3202 may be combined with step S3101 of FIG. 3A , and step S3203 may be combined with step S3103 of FIG. 3A .

[0362] The embodiments of the present disclosure further provide an apparatus for implementing any of the above methods. For example, an apparatus is provided, comprising units or modules for implementing each step performed by a terminal in any of the above methods. For another example, another apparatus is provided, comprising units or modules for implementing each step performed by a network device (e.g., an access network device, a core network function node, a core network device, etc.) in any of the above methods.

[0363] It should be understood that the division of the various units or modules in the above device is merely a division of logical functions. In actual implementation, they may be fully or partially integrated into a physical entity, or they may be physically separated. In addition, the units or modules in the device may be implemented in the form of a processor calling software: for example, the device includes a processor, the processor is connected to a memory, and the memory stores instructions. The processor calls the instructions stored in the memory to implement any of the above methods or implement the functions of the various units or modules of the above device, wherein the processor is, for example, a general-purpose processor, such as a central processing unit (CPU) or a microprocessor, and the memory is a memory within the device or a memory outside the device. Alternatively, the units or modules in the device can be implemented in the form of hardware circuits, and the functions of some or all of the units or modules can be realized by designing the hardware circuits. The above-mentioned hardware circuits can be understood as one or more processors; for example, in one implementation, the above-mentioned hardware circuit is an application-specific integrated circuit (ASIC), which realizes the functions of some or all of the above units or modules by designing the logical relationship of the components in the circuit; for example, in another implementation, the above-mentioned hardware circuit can be realized by a programmable logic device (PLD). Taking a field programmable gate array (FPGA) as an example, it can include a large number of logic gate circuits, and the connection relationship between the logic gate circuits is configured by configuring the configuration file, thereby realizing the functions of some or all of the above units or modules. All units or modules of the above devices can be realized in the form of software called by the processor, or in the form of hardware circuits, or in part by the form of software called by the processor, and the rest by hardware circuits.

[0364] In the embodiments of the present disclosure, the processor is a circuit with signal processing capabilities. In one implementation, the processor can be a circuit with instruction reading and execution capabilities, such as a central processing unit (CPU), a microprocessor, a graphics processing unit (GPU) (which can be understood as a microprocessor), or a digital signal processor (DSP). In another implementation, the processor can implement certain functions through the logical relationship of the hardware circuit. The logical relationship of the above-mentioned hardware circuit is fixed or reconfigurable. For example, the processor is a hardware circuit implemented by an application-specific integrated circuit (ASIC) or a programmable logic device (PLD), such as an FPGA. In a reconfigurable hardware circuit, the process of the processor loading a configuration document and implementing the hardware circuit configuration can be understood as the process of the processor loading instructions to implement the functions of some or all of the above units or modules. In addition, it can also be a hardware circuit designed for artificial intelligence, which can be understood as an ASIC, such as a neural network processing unit (NPU), a tensor processing unit (TPU), a deep learning processing unit (DPU), etc.

[0365] Figure 4A is a structural diagram of the terminal proposed in an embodiment of the present disclosure. As shown in Figure 4A, the terminal 4100 may include at least: a transceiver module 4101. In some embodiments, the transceiver module 4101 is configured to receive a first channel state information reference signal CSI-RS resource sent by a network device, and the first CSI-RS resource includes multiple CSI-RS resources; the transceiver module is also configured to send a first information to the network device, and the first information includes at least a first indication information, and the first indication information is used to indicate the second CSI-RS resource selected by the terminal from the first CSI-RS resource, and the second CSI-RS resource includes multiple CSI-RS resources. Optionally, the transceiver module 4101 is used to perform at least one of the communication steps such as sending and / or receiving performed by the terminal in any of the above methods (for example, step S2102, step S2104, step S2105, but not limited to this), which will not be repeated here.

[0366] Optionally, the terminal 4100 may further include other modules. For example, the terminal 4100 may further include a processing module. The processing module is used to execute at least one of the other steps (such as step S2103, but not limited thereto) executed by the terminal in any of the above methods, which will not be repeated here.

[0367] Figure 4B is a structural diagram of a network device proposed in an embodiment of the present disclosure. As shown in Figure 4B, the network device 4200 may include: a transceiver module 4201. In some embodiments, the transceiver module 4201 is configured to send a first CSI-RS resource to the terminal, and the first CSI-RS resource includes multiple CSI-RS resources; the transceiver module 4201 is also configured to receive first information sent by the terminal, and the first information includes at least first indication information, and the first indication information is used to indicate the second CSI-RS resource selected by the terminal from the first CSI-RS resource, and the second CSI-RS resource includes multiple CSI-RS resources. Optionally, the transceiver module 4201 is used to perform at least one of the communication steps such as sending and / or receiving performed by the network device in any of the above methods (for example, step S2102, step S2104, step S2105, but not limited to this), which will not be repeated here.

[0368] Optionally, the network device 4200 may also include other modules. For example, the network device 4200 may also include a processing module. The above processing module is used to execute at least one of the other steps (such as step S2101, but not limited to this) performed by the network device in any of the above methods, which will not be repeated here.

[0369] In some embodiments, the transceiver module may include a transmitting module and / or a receiving module, and the transmitting module and the receiving module may be separate or integrated. Optionally, the transceiver module may be interchangeable with the transceiver.

[0370] In some embodiments, the processing module can be a single module or can include multiple submodules. Optionally, the multiple submodules respectively execute all or part of the steps required to be executed by the processing module. Optionally, the processing module can be interchangeable with the processor.

[0371] Figure 5A is a schematic diagram of the structure of a communication device 5100 proposed in an embodiment of the present disclosure. Communication device 5100 can be a network device (e.g., an access network device, a core network device, etc.), a terminal (e.g., a user equipment, etc.), a chip, a chip system, or a processor that supports a network device to implement any of the above methods, or a chip, a chip system, or a processor that supports a terminal to implement any of the above methods. Communication device 5100 can be used to implement the methods described in the above method embodiments. For details, please refer to the description of the above method embodiments.

[0372] As shown in Figure 5A, the communication device 5100 includes one or more processors 5101. The processor 5101 can be a general-purpose processor or a dedicated processor, for example, a baseband processor or a central processing unit. The baseband processor can be used to process communication protocols and communication data, and the central processing unit can be used to control the communication device (such as a base station, a baseband chip, a terminal device, a terminal device chip, a DU or a CU, etc.), execute programs, and process program data. The communication device 5100 is used to perform any of the above methods.

[0373] In some embodiments, the communication device 5100 further includes one or more memories 5102 for storing instructions. Optionally, all or part of the memories 5102 may be located outside the communication device 5100.

[0374] In some embodiments, the communication device 5100 further includes one or more transceivers 5103. When the communication device 5100 includes one or more transceivers 5103, the transceiver 5103 performs at least one of the communication steps such as sending and / or receiving in the above method (for example, step S2102, step S2104, and step S2105, but not limited thereto), and the processor 5101 performs at least one of the other steps (for example, step S2101 and step S2103, but not limited thereto).

[0375] In some embodiments, a transceiver may include a receiver and / or a transmitter. The receiver and transmitter may be separate or integrated. Optionally, the terms transceiver, transceiver unit, transceiver, and transceiver circuit may be used interchangeably; the terms transmitter, transmitting unit, transmitter, and transmitting circuit may be used interchangeably; and the terms receiver, receiving unit, receiver, and receiving circuit may be used interchangeably.

[0376] In some embodiments, the communication device 5100 may include one or more interface circuits 5104. Optionally, the interface circuit 5104 is connected to the memory 5102. The interface circuit 5104 may be configured to receive signals from the memory 5102 or other devices, and may be configured to send signals to the memory 5102 or other devices. For example, the interface circuit 5104 may read instructions stored in the memory 5102 and send the instructions to the processor 5101.

[0377] The communication device 5100 described in the above embodiments may be a network device or a terminal, but the scope of the communication device 5100 described in the present disclosure is not limited thereto, and the structure of the communication device 5100 may not be limited to FIG. 5A. The communication device may be an independent device or may be part of a larger device. For example, the communication device may be: 1) an independent integrated circuit IC, or a chip, or a chip system or subsystem; (2) a collection of one or more ICs, optionally, the above IC collection may also include a storage component for storing data or programs; (3) an ASIC, such as a modem; (4) a module that can be embedded in other devices; (5) a receiver, a terminal device, an intelligent terminal device, a cellular phone, a wireless device, a handheld device, a mobile unit, an in-vehicle device, a network device, a cloud device, an artificial intelligence device, etc.; (6) others, etc.

[0378] 5B is a schematic diagram of the structure of a chip 5200 according to an embodiment of the present disclosure. If the communication device 5100 can be a chip or a chip system, reference can be made to the schematic diagram of the structure of the chip 5200 shown in FIG5B , but the present disclosure is not limited thereto.

[0379] The chip 5200 includes one or more processors 5201 , and the chip 5200 is configured to execute any of the above methods.

[0380] In some embodiments, the chip 5200 further includes one or more interface circuits 5202. Optionally, the interface circuit 5202 is connected to the memory 5203. The interface circuit 5202 can be used to receive signals from the memory 5203 or other devices, and can be used to send signals to the memory 5203 or other devices. For example, the interface circuit 5202 can read instructions stored in the memory 5203 and send the instructions to the processor 5201.

[0381] In some embodiments, the interface circuit 5202 executes at least one of the communication steps such as sending and / or receiving in the above method (for example, step S2102, step S2104, step S2105, but not limited to these), and the processor 5201 executes at least one of the other steps (for example, step S2101, step S2103, step S2106, but not limited to these).

[0382] In some embodiments, terms such as interface circuit, interface, transceiver pin, and transceiver may be used interchangeably.

[0383] In some embodiments, the chip 5200 further includes one or more memories 5203 for storing instructions. Alternatively, all or part of the memories 5203 may be located outside the chip 5200.

[0384] The present disclosure also proposes a storage medium having instructions stored thereon, which, when executed on the communication device 5100, causes the communication device 5100 to execute any of the above methods. Optionally, the storage medium is an electronic storage medium. Optionally, the storage medium is a computer-readable storage medium, but is not limited thereto and 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 and may also be a transient storage medium.

[0385] The present disclosure also provides a program product, which, when executed by the communication device 5100, enables the communication device 5100 to perform any of the above methods. Optionally, the program product is a computer program product.

[0386] The present disclosure also proposes a computer program, which, when executed on a computer, causes the computer to perform any one of the above methods.

[0387] Other embodiments of the present disclosure will readily occur to those skilled in the art after considering the specification and practicing the invention disclosed herein. This disclosure is intended to cover any variations, uses, or adaptations of the present disclosure that follow the general principles of the present disclosure and include common knowledge or customary techniques in the art not disclosed herein. The description and examples are to be considered as exemplary only, with the true scope and spirit of the present disclosure being indicated by the following claims.

[0388] It should be understood that the present disclosure is not limited to the exact structures that have been described above and shown in the drawings, and that various modifications and changes can be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims

1. An information reporting method, characterized in that, Applied to a terminal, the method includes: Receiving a first channel state information reference signal (CSI-RS) resource sent by a network device, where the first CSI-RS resource includes multiple CSI-RS resources; Sending first information to the network device, where the first information at least includes first indication information for indicating a second CSI-RS resource selected by the terminal from the first CSI-RS resource, and the second CSI-RS resource includes multiple CSI-RS resources.

2. The method according to claim 1, characterized in that, The receiving the first channel state information reference signal (CSI-RS) resource sent by the network device includes any one of the following: Receiving multiple CSI-RS resource groups sent by the network device, where the multiple CSI-RS resource groups come from one or more CSI-RS resource sets, and each CSI-RS resource group includes multiple CSI-RS resources; Receiving multiple CSI-RS resource sets sent by the network device, where each CSI-RS resource set includes multiple CSI-RS resources.

3. The method according to claim 2, wherein The second CSI-RS resource is at least one CSI-RS resource group, or the second CSI-RS resource is at least one CSI-RS resource set.

4. The method according to any one of claims 1 to 3, characterized in that, When the second CSI-RS resource selected by the terminal is a CSI-RS resource group, the length of the first indication information is determined based on the number of CSI-RS resource groups included in the first CSI-RS resource; or, When the second CSI-RS resource selected by the terminal is a CSI-RS resource set, the length of the first indication information is determined based on the number of CSI-RS resource sets included in the first CSI-RS resource.

5. The method according to claim 4, characterized in that The first indication information is data with a bit number of ; Where N is the number of CSI-RS resource groups included in the first CSI-RS resource, or N is the number of CSI-RS resource sets included in the first CSI-RS resource.

6. The method according to any one of claims 1 to 3, characterized in that, When the second CSI-RS resource selected by the terminal includes multiple CSI-RS resource groups, the length of the first indication information is determined based on any one of the following: The number of CSI-RS resource groups included in the first CSI-RS resource; The number of CSI-RS resource groups included in the first CSI-RS resource and the number of CSI-RS resource groups included in the second CSI-RS resource.

7. The method according to claim 3, characterized in that, When the second CSI-RS resource selected by the terminal includes multiple CSI-RS resource sets, the length of the first indication information is determined based on any one of the following: The number of CSI-RS resource sets included in the first CSI-RS resource; The number of CSI-RS resource sets included in the first CSI-RS resource and the number of CSI-RS resource sets included in the second CSI-RS resource.

8. The method according to claim 6 or 7, characterized in that, The length of the first indication information is determined based on the number of CSI-RS resource groups or CSI-RS resource sets included in the first CSI-RS resource, and the first indication information is a bitmap with a bit width of N bits; Wherein, N is the number of CSI-RS resource groups included in the first CSI-RS resource, or N is the number of CSI-RS resource sets included in the first CSI-RS resource.

9. The method according to claim 6 or 7, characterized in that, The length of the first indication information is determined based on the number of CSI-RS resource groups included in the first CSI-RS resource and the number of CSI-RS resource groups included in the second CSI-RS resource, or the length of the first indication information is determined based on the number of CSI-RS resource sets included in the first CSI-RS resource and the number of CSI-RS resource sets included in the second CSI-RS resource. The first indication information includes any one of the following: The number of bits is data; The number of bits is data; Wherein, N is the number of CSI-RS resource groups included in the first CSI-RS resource, and M is the number of CSI-RS resource groups included in the second CSI-RS resource; Or, N is the number of CSI-RS resource sets included in the first CSI-RS resource, and M is the number of CSI-RS resource sets included in the second CSI-RS resource.

10. The method according to claim 8 or 9, characterized in that M is determined by the terminal itself, or M is predefined, or M is configured by the network device.

11. The method according to any one of claims 1 to 10, characterized in that, The first information further includes second indication information, and the second indication information includes at least one of rank indication (RI), layer indication (LI), channel quality indication (CQI), precoding matrix indication (PMI), and reference signal received power (RSRP).

12. An information reporting method, characterized in that, Applied to a network device, the method includes: Sending a first CSI-RS resource to a terminal, where the first CSI-RS resource includes a plurality of CSI-RS resources; Receiving first information sent by the terminal, where the first information at least includes first indication information, and the first indication information is used to indicate a second CSI-RS resource selected by the terminal from the first CSI-RS resource, and the second CSI-RS resource includes a plurality of CSI-RS resources.

13. The method according to claim 12, wherein The method further includes any one of the following: Configuring a plurality of CSI-RS resource groups for the terminal, where the plurality of CSI-RS resource groups come from one or more CSI-RS resource sets, and each CSI-RS resource group includes a plurality of CSI-RS resources; Configuring a plurality of CSI-RS resource sets for the terminal, and each CSI-RS resource set includes a plurality of CSI-RS resources.

14. The method according to claim 13, wherein The network device configures a plurality of CSI-RS resource groups for the terminal from one or more CSI-RS resource sets, and the method includes any one of the following: Dividing the plurality of CSI-RS resources included in one or more CSI-RS resource sets into the plurality of CSI-RS resource groups in ascending order of resource identifiers; Dividing the plurality of CSI-RS resources included in one or more CSI-RS resource sets into the plurality of CSI-RS resource groups in descending order of resource identifiers.

15. The method according to claim 13, characterized in that The network device configures multiple CSI-RS resource sets for the terminal, and the resource set identifiers of the multiple CSI-RS resource sets are incremented, or the resource set identifiers of the multiple CSI-RS resource sets are decremented, or the resource set identifiers of the multiple CSI-RS resource sets are in a random order.

16. The method according to any one of claims 12 to 15, characterized in that, Sending the first CSI-RS resource to the terminal includes any one of the following: Sending multiple CSI-RS resource groups to the terminal, where the multiple CSI-RS resource groups come from one or more CSI-RS resource sets, and each CSI-RS resource group includes multiple CSI-RS resources; Sending multiple CSI-RS resource sets to the terminal, where each CSI-RS resource set includes multiple CSI-RS resources.

17. The method according to claim 16, characterized in that, The second CSI-RS resource is at least one CSI-RS resource group, or the second CSI-RS resource is at least one CSI-RS resource set.

18. The method according to claim 17, wherein The second CSI-RS resource selected by the terminal is a CSI-RS resource group, and the length of the first indication information is determined based on the number of CSI-RS resource groups included in the first CSI-RS resource; or, The second CSI-RS resource selected by the terminal is a CSI-RS resource set, and the length of the first indication information is determined based on the number of CSI-RS resource sets included in the first CSI-RS resource.

19. The method according to claim 18, wherein The first indication information is data with a bit number of ; Where N is the number of CSI-RS resource groups included in the first CSI-RS resource, or N is the number of CSI-RS resource sets included in the first CSI-RS resource.

20. The method according to claim 17, characterized in that The second CSI-RS resource selected by the terminal includes multiple CSI-RS resource groups, and the length of the first indication information is determined based on any one of the following: The number of CSI-RS resource groups included in the first CSI-RS resource; The number of CSI-RS resource groups included in the first CSI-RS resource and the number of CSI-RS resource groups included in the second CSI-RS resource.

21. The method according to claim 17, wherein The second CSI-RS resource selected by the terminal includes multiple CSI-RS resource sets, and the length of the first indication information is determined based on any one of the following: The number of CSI-RS resource sets included in the first CSI-RS resource; The number of CSI-RS resource sets included in the first CSI-RS resource and the number of CSI-RS resource sets included in the second CSI-RS resource.

22. The method according to claim 20 or 21, characterized in that, The length of the first indication information is determined based on the number of CSI-RS resource groups or CSI-RS resource sets included in the first CSI-RS resource, and the first indication information is a bitmap with a bit width of N bits; Where N is the number of CSI-RS resource groups included in the first CSI-RS resource, or N is the number of CSI-RS resource sets included in the first CSI-RS resource.

23. The method according to claim 20 or 21, characterized in that, The length of the first indication information is determined based on the number of CSI-RS resource groups included in the first CSI-RS resource and the number of CSI-RS resource groups included in the second CSI-RS resource, or the length of the first indication information is determined based on the number of CSI-RS resource sets included in the first CSI-RS resource and the number of CSI-RS resource sets included in the second CSI-RS resource. The first indication information includes any one of the following: The number of bits is data; The number of bits is data; where N is the number of CSI-RS resource groups included in the first CSI-RS resource, and M is the number of CSI-RS resource groups included in the second CSI-RS resource; Alternatively, N is the number of CSI-RS resource sets included in the first CSI-RS resource, and M is the number of CSI-RS resource sets included in the second CSI-RS resource.

24. The method according to claim 22 or 23, characterized in that, M is determined by the terminal itself, or M is predefined, or M is configured by the network device.

25. The method according to any one of claims 12 to 24, characterized in that, The first information further includes second indication information, and the second indication information includes at least one of a rank indication (RI), a layer indication (LI), a channel quality indication (CQI), a precoding matrix indication (PMI), and a reference signal received power (RSRP).

26. A terminal, characterized in that, including: a transceiver module, configured to receive a first channel state information reference signal (CSI-RS) resource sent by a network device, where the first CSI-RS resource includes a plurality of CSI-RS resources; The transceiver module is further configured to send first information to the network device, and the first information at least includes first indication information, where the first indication information is used to indicate a second CSI-RS resource selected by the terminal from the first CSI-RS resource, and the second CSI-RS resource includes a plurality of CSI-RS resources.

27. A network device, characterized in that, including: a transceiver module, configured to send a first CSI-RS resource to a terminal, where the first CSI-RS resource includes a plurality of CSI-RS resources; The transceiver module is further configured to receive the first information sent by the terminal, and the first information at least includes first indication information, where the first indication information is used to indicate a second CSI-RS resource selected by the terminal from the first CSI-RS resource, and the second CSI-RS resource includes a plurality of CSI-RS resources.

28. A terminal, characterized in that, including: one or more processors; wherein, the terminal is used to execute the information reporting method according to any one of claims 1-11.

29. A network device, characterized in that, including: one or more processors; wherein, the network device is used to execute the information reporting method according to any one of claims 12-25.

30. A communication system, characterized in that, including a terminal and a network device, wherein the terminal is configured to implement the information reporting method according to any one of claims 1-11, and the network device is configured to implement the information reporting method according to any one of claims 12-25.

31. A storage medium, the storage medium stores instructions, characterized in that, When the instruction runs on a communication device, the communication device is caused to execute the information reporting method according to any one of claims 1-11 or 12-25.

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