Method, apparatus, device and medium for transmitting CSI reports

Abstract

The embodiments of the present application provide a method, an apparatus, a device, and a medium for transmitting a CSI report, which belong to the field of mobile communication. The method includes a step of transmitting a CSI report, where the CSI report includes CSI corresponding to at least one transmission of at least two transmissions of at least one CSI-RS in one period. The method transmits at least one CSI-RS at least twice in one period, and selects and reports a measurement result of the at least one CSI-RS in one period by a UE, so that the UE can report measurement results of the CSI-RS at different time domain positions in one CSI report and can save signaling overhead in the CSI reporting process.

Description

[Technical field]

[0001] The present application relates to the field of mobile communications, and in particular to a method, apparatus, device and medium for transmitting and receiving a CSI report. [Background technology]

[0002] Channel State Information (CSI) is obtained by User Equipment (UE) by measuring the Channel State Information Reference Signal (CSI-RS) transmitted from the base station. CSI is used to characterize the channel quality of the downlink channel.

[0003] In a scenario where the UE moves at high speed, a long CSI feedback period will lead to poor real-time performance of the CSI due to the high UE moving speed, leading to large delays and poor CSI accuracy, while a short CSI feedback period will lead to large signaling overhead. Summary of the Invention [Problem to be solved by the invention]

[0004] The embodiments of the present application provide a method, an apparatus, a device and a medium for transmitting a CSI report, which can ensure the accuracy of CSI feedback in a scenario where a UE moves at high speed, and reduce the signaling overhead of CSI in the configuration process and the reporting process. [Means for solving the problem]

[0005] According to an embodiment of the present application, there is provided a method for transmitting a CSI report, comprising the steps of: A method for transmitting a CSI report is provided, the method including a step of transmitting a CSI report, the CSI report including CSI corresponding to at least one transmission of at least two transmissions of at least one CSI-RS in one period.

[0006] According to an embodiment of the present application, there is provided a method for receiving a CSI report, comprising the steps of: A method for receiving a CSI report is provided, the method comprising: receiving a CSI report, the CSI report including CSI corresponding to at least one transmission of at least two transmissions of at least one CSI-RS in one period.

[0007] According to another aspect of the present application, there is provided a CSI report transmission device, comprising: An apparatus for transmitting a CSI report is provided, the apparatus comprising: a transmission module for transmitting a CSI report, the CSI report including CSI corresponding to at least one transmission of at least two transmissions of at least one CSI-RS in one period.

[0008] According to another aspect of the present application, there is provided a CSI report transmission device, comprising: An apparatus for transmitting a CSI report is provided, the apparatus including a receiving module for receiving a CSI report, the CSI report including CSI corresponding to at least one transmission of at least two transmissions of at least one CSI-RS in one period.

[0009] According to another aspect of an embodiment of the present application, there is provided a communication device, comprising: There is provided a communication device including a processor and a memory, the memory storing a computer program, the computer program being loaded and executed by the processor to realize the above-mentioned method for transmitting and / or receiving a CSI report.

[0010] According to another aspect of the present application, there is provided a chip, comprising: A chip is provided that includes programmable logic circuits and / or program instructions, which, when the chip is operated, realizes the above-mentioned method for transmitting and / or receiving a CSI report.

[0011] According to another aspect of an embodiment of the present application, there is provided a computer-readable storage medium having a computer program stored thereon, the computer program being executed by a processor to realize the above-described method for transmitting and / or receiving a CSI report. Effect of the Invention

[0012] The technical solutions in the embodiments of the present application can achieve the following beneficial effects: By transmitting at least one CSI-RS at least twice in one period and having the UE select and report measurement results of at least one CSI-RS in one period, the UE can report measurement results of CSI-RS at different time-domain positions in one CSI report and can save signaling overhead in the CSI reporting process.

[0013] 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 present application. [Brief description of the drawings]

[0014] In order to more clearly describe the technical solutions in the embodiments of the present application, the drawings that need to be used in the description of the embodiments are briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and those skilled in the art can obtain other drawings based on these drawings without creative efforts.

[0015] [Figure 1] 1 is a schematic diagram of an architecture of a mobile communication system according to an exemplary embodiment; [Diagram 2] 1 is a flowchart of a method for transmitting a CSI report according to an exemplary embodiment. [Diagram 3] FIG. 2 is a time-frequency resource diagram illustrating repeated transmission of CSI-RS in one period according to an example embodiment. [Figure 4] 1 is a flowchart of a method for transmitting a CSI report according to an exemplary embodiment. [Diagram 5] FIG. 11 is a time-frequency resource diagram illustrating repeated transmission of CSI-RS in one period according to another example embodiment. [Figure 6] FIG. 11 is a time-frequency resource diagram illustrating repeated transmission of CSI-RS in one period according to another example embodiment. [Figure 7] 1 is a flowchart of a method for receiving a CSI report according to an exemplary embodiment. [Figure 8] 1 is a flowchart of a method for receiving a CSI report according to an exemplary embodiment. [Figure 9] FIG. 2 is a block diagram of a CSI report transmitting device according to an exemplary embodiment. [Figure 10] FIG. 2 is a block diagram of a receiving device for a CSI report according to an exemplary embodiment. [Figure 11] FIG. 2 is a schematic diagram of a communication device according to an exemplary embodiment. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0016] Exemplary embodiments are described in detail herein, examples of which are illustrated in the accompanying drawings. When the following description refers to the drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with some aspects of the present application as detailed in the appended claims.

[0017] First, a brief overview of some concepts included in the embodiments of this application is provided. The broadband refers to the entire bandwidth, or the entire bandwidth corresponding to a cell, or the entire bandwidth available to a terminal, or the entire bandwidth used by a terminal, or the entire bandwidth configured for a terminal, for example, the bandwidth corresponding to an activated BWP (bandwidth part). Narrowband refers to dividing the entire bandwidth into multiple subbands. For example, if the bandwidth is 24-72 Physical Resource Blocks (PRB), the subband size is 4PRB or 8PRB; if the bandwidth is 73-144PRB, the subband size is 8PRB or 16PRB; if the bandwidth is 145-275PRB, the subband size is 16PRB or 32PRB. Furthermore, the subband can be divided into multiple frequency domain units or frequency domain basis vectors.

[0018] Figure 1 is a schematic diagram of the architecture of a mobile communication system according to an embodiment of the present application. As shown in Figure 1, the mobile communication system may include a network device 102, which may be a device that communicates with a terminal 101 (or a communication terminal, also called a terminal). The network device 102 may provide communication coverage in a specific geographical area and may communicate with the terminal within the coverage area.

[0019] 1 illustrates a schematic diagram of one network device 102 and two terminals 101. In some embodiments of the present application, the mobile communication system may include multiple network devices 102, and the coverage of each network device 102 may include other numbers of terminals 101. The embodiments of the present application are not limited thereto.

[0020] In an embodiment of the present application, the terminal 101 may be a station (STATION, ST) of a WLAN, a mobile phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a Wireless Local Loop (WLL) station, a Personal Digital Assistant (PDA) device, a handheld device with wireless communication capabilities, a computing device, or other processing device connected to a wireless modem, an in-vehicle device, a wearable device, a terminal 101 in a next-generation mobile communication system, for example, an NR network, or a terminal 101 in a Public Land Mobile Network (PLMN) network that will evolve in the future.

[0021] In the embodiment of the present application, the terminal 101 may be a device that provides a voice connection and / or a data connection to a user, and may be used to connect people, objects, and machines, such as a handheld device with a wireless connection function, an in-vehicle device, etc. The terminal 101 in the embodiment of the present application may be a mobile phone, a tablet computer (Pad), a notebook computer, a handheld computer, a mobile Internet device (Mobile Internet Device, MID), a wearable device, a virtual reality (VR) device, an augmented reality (AR) device, a wireless terminal in industrial control, a wireless terminal in self driving, a wireless terminal in remote medical surgery, a wireless terminal in smart grid, a wireless terminal in transportation safety, a wireless terminal in smart city, a wireless terminal in smart home, etc. Optionally, the UE may function as a base station. For example, the terminal 101 may act as a scheduling entity that provides sidelink signals between the terminals 101 in V2X or D2D, etc. For example, a mobile phone and a car communicate with each other using sidelink signals. A communication between a mobile phone and a smart home device does not need to relay communication signals through a base station.

[0022] In an embodiment of the present application, the terminal 101 may be deployed indoors or outdoors, on land, including portable, wearable or vehicle-mounted, on water (such as a ship), or in the air (such as an airplane, balloon, satellite, etc.).

[0023] The terminal 101 according to the embodiment of the present application may be called a terminal, user equipment (UE), access terminal, vehicle-mounted terminal, industrial control terminal, UE unit, UE station, mobile station, mobile platform, remote station, remote terminal, mobile device, UE terminal, wireless communication device, UE agent, or UE device, etc. The terminal 101 may be fixed or mobile.

[0024] By way of example and not limitation, in the embodiment of the present application, the terminal 101 may be a wearable device. Wearable devices, also called wearable smart devices, are a collective term for wearable devices such as glasses, gloves, watches, clothing, and shoes that are developed by using wearable technology to intelligently design everyday clothing. Wearable devices are portable devices that are worn directly on the body or integrated into the user's clothing or accessories. Wearable devices are not just hardware devices, but achieve powerful functions through software support, data interaction, and cloud interaction. In a broad sense, wearable smart devices include full-featured large devices that can achieve full or partial functions without relying on smartphones, such as smart watches and smart glasses, and devices that focus only on specific application functions and require cooperation with other devices such as smartphones, such as various types of smart bracelets and smart jewelry used for biological monitoring.

[0025] The network device 102 in the embodiment of the present application may be a device for communicating with the terminal 101. The network device 102 is also called an access network device or a radio access network device. The network device 102 may be a base station. The network device 102 in the embodiment of the present application may refer to a Radio Access Network (RAN) node (or device) that allows the terminal 101 to access a radio network. The base station may broadly cover or be replaced by the following various names, for example, NodeB, evolved NodeB (eNB), Next Generation NodeB (gNB), relay station, access point, transmitting and receiving point (TRP), transmitting point (TP), main station MeNB, secondary station SeNB, multi-standard wireless (MSR) node, home base station, network controller, access node, radio node, access point (AP), transmitting node, transmitting and receiving node, base band unit (BBU), radio frequency remote unit (RRU), active antenna unit (AAU), remote radio head (RRH), central unit (CU), distributed unit (DU), positioning node, etc. The base station may be a macro base station, a micro base station, a relay node, a donor node, or the like, or a combination thereof. A base station may refer to a communication module, modem, or chip installed within the aforementioned device or equipment.The base station may be a mobile switching center, a device that performs the function of a base station in device-to-device (D2D), vehicle-to-everything (V2X), machine-to-machine (M2M) communication, a network side device in a 6G network, a device that performs the function of a base station in future mobile communication, etc. The base station may support networks of the same or different access technologies. In the embodiment of the present application, the specific technology and the specific device form used by the network device 102 are not limited.

[0026] A base station may be fixed or mobile. For example, a helicopter or drone may be configured to function as a mobile base station, and one or more cells may move depending on the location of the mobile base station. In another example, a helicopter or drone may be configured to function as a device that communicates with another base station.

[0027] In some configurations, the network device 102 in the embodiment of the present application may refer to a CU or a DU. Or, the network device 102 may include a CU and a DU. The gNB may include an AAU.

[0028] The network device 102 and the terminal 101 may be installed indoors or outdoors, on land including portable or vehicle-mounted, on water, or on an aircraft, balloon, or satellite in the air. In the embodiment of the present application, the scenario in which the network device 102 and the terminal 101 are located is not limited.

[0029] By way of example and not limitation, in embodiments of the present application, the network device 102 may have a mobile nature, e.g., the network device 102 may be a mobile device. In some embodiments of the present application, the network device 102 may be a satellite or a balloon station. For example, the satellite may be a Low Earth Orbit (LEO) satellite, a Medium Earth Orbit (MEO) satellite, a Geostationary Earth Orbit (GEO) satellite, a High Elliptical Orbit (HEO) satellite, etc. In some embodiments of the present application, the network device 102 may be a base station located on land, on water, etc.

[0030] In an embodiment of the present application, the network device 102 can provide a service to a cell, and the terminal 101 can communicate with the network device 102 via a transmission resource (e.g., a frequency domain resource or a spectrum resource) used by the cell. The cell may be a cell corresponding to the network device 102 (e.g., a base station). The cell may be a macro base station or a base station corresponding to a small cell. The small cell here may include a metro cell, a micro cell, a pico cell, a femto cell, etc. These small cells are characterized by narrow coverage and low transmission power, and are suitable for providing high-speed data transmission services.

[0031] 2 shows a flowchart of a method for configuring a CSI report according to an exemplary embodiment of the present application. In this embodiment, the method is applied to a terminal. The method includes step 202. In step 202, a CSI report is transmitted, where the CSI report includes CSI corresponding to at least one transmission of the at least two transmissions of the at least one CSI-RS in one period.

[0032] At least one CSI-RS is transmitted at least twice in one period, and the terminal measures the CSI-RS corresponding to at least one transmission of the at least two transmissions in one period and generates a corresponding CSI report.

[0033] At least one CSI-RS includes a non-zero power (NZP) CSI-RS and / or a zero power (ZP) CSI-RS. The NZP CSI-RS needs to be actually generated and mapped to a resource element (RE). The ZP CSI-RS does not need to be generated and mapped to a RE.

[0034] "At least two transmissions" can be understood as any one of at least two transmissions, at least two CSI resources, and CSI-RS transmitted at different time domain positions. The CSI-RS transmitted at least twice may be the same CSI-RS, i.e., the CSI-RS transmitted at least twice has the same index. The CSI-RS transmitted at least twice may be different CSI-RS and have different indexes.

[0035] As shown generally in Fig. 3, the ordinate represents the frequency domain and the abscissa represents the time domain. In the same CSI-RS period, CSI-RS is repeatedly transmitted four times. Fig. 3 shows the CSI-RS transmitted for the first time, the CSI-RS transmitted for the second time, the CSI-RS transmitted for the third time, and the CSI-RS transmitted for the fourth time in CSI-RS period n, and the CSI-RS transmitted for the first time and the CSI-RS transmitted for the second time (the remaining two times are not shown) in CSI-RS period n+1.

[0036] In a CSI-RS period n, the terminal may measure all or a part of the CSI-RS, generate CSI corresponding to all or a part of the CSI-RS, and transmit a CSI report to the base station. For example, the CSI report includes all of the CSI corresponding to the CSI-RS transmitted four times in the CSI-RS period n. Also, for example, the CSI report includes CSI corresponding to the first CSI-RS transmitted in the CSI-RS period n and the fourth CSI-RS transmitted in the CSI-RS period n.

[0037] In summary, the method provided by this embodiment transmits at least one CSI-RS at least twice in one period, and has the UE select and report measurement results of at least one CSI-RS in one period, thereby enabling the UE to report measurement results of CSI-RS at different time domain positions in one CSI report and saving signaling overhead in the CSI reporting process.

[0038] 4 shows a flowchart of a method for transmitting a CSI report according to another exemplary embodiment of the present application. In this embodiment, the method is applied to a terminal as an example. The method includes the following steps: In step 302, CSI-RS configuration information is received for indicating at least one CSI-RS resource.

[0039] The CSI-RS configuration information includes at least one of a measurement configuration of the CSI-RS and a reporting configuration of the CSI corresponding to the CSI-RS.

[0040] In some embodiments, the CSI-RS configuration information includes at least one of the following information: A repetition state corresponding to at least one CSI-RS, the state including on or off. Repeated transmission refers to a mechanism of retransmitting the same CSI-RS at different time domain positions within the same period. Repeated transmission is also called a repeat count. If the state is on, the mechanism of repeated transmission is started. If the state is off, the mechanism of repeated transmission is stopped. In this embodiment, the case where the state is on is taken as an example.

[0041] The number of times L that at least one CSI-RS is transmitted in one period, where L is an integer greater than 0 or 1. When the state of repeated transmission is off, the number L of transmissions of the at least one CSI-RS in one period may be 1. When the state of repeated transmission is on, the number L of transmissions of the at least one CSI-RS in one period may be an integer greater than 1, such as 2 or 4.

[0042] · The time interval T between two transmissions of at least one CSI-RS in one period. The time interval T is an integer number of slots and / or an integer number of symbols.

[0043] · Silence pattern of at least one CSI-RS in one period. The silence pattern indicates at which time positions within which CSI-RS periods the CSI-RS is not transmitted.

[0044] In some embodiments, the CSI-RS configuration information includes at least one of the following information: At least one CSI-RS period. The periods of the different CSI-RSs may be the same or different. In this embodiment, a case where the periods of the different CSI-RSs are the same will be described as an example.

[0045] At least one CSI-RS slot offset. In one period, each CSI-RS has its own slot offset. Optionally, the slot offset of each CSI-RS is different. When the state of repeated transmission of a certain CSI-RS is on, the slot offset may be represented by the slot offset of the CSI-RS transmitted for the first time.

[0046] Symbol positions occupied by at least one CSI-RS. · Frequency domain resource location of at least one CSI-RS. · At least one CSI-RS port number. · Density of at least one CSI-RS. Quasi Co-Location (QCL) information of at least one CSI-RS, e.g., QCL Type D information. Here, the QCL Type D information is used to indicate the spatial reception parameters, known as beams, corresponding to the CSI-RS. The CSI-RS repeatedly transmitted at different time-domain positions within the same period may be transmitted based on the same beam or based on different beams.

[0047] In step 304, measuring based on at least one CSI-RS resource to obtain CSI.

[0048] The terminal performs measurement on the at least one CSI-RS resource based on the at least one CSI-RS resource configured by the CSI-RS configuration information to obtain CSI. Optionally, each CSI-RS period in the CSI-RS configuration information includes at least two CSI-RS resources, and a CSI-RS is transmitted on each CSI-RS resource of the at least two CSI-RS resources.

[0049] The CSI-RS transmitted on the at least two CSI-RS resources may be the same CSI-RS, or the CSI-RS transmitted on the at least two CSI-RS resources may be different CSI-RS.

[0050] The at least one CSI-RS includes an NZP CSI-RS and / or a ZP CSI-RS. The NZP CSI-RS needs to be actually generated and mapped to the RE. The ZP CSI-RS does not need to be actually generated and mapped to the RE.

[0051] Illustratively, there is at least one CSI-RS that is repeatedly transmitted in one period, ie, the number of times that the at least one CSI-RS is transmitted in the one period is greater than one.

[0052] 5, in a CSI-RS period n, the number of transmissions L of a CSI-RS with index "#1" is 4, the slot offset of the first CSI-RS#1 is 0, and the time interval between two adjacent transmissions of the same CSI-RS is t1. The four transmissions of the same CSI-RS in one period may correspond to the same beam or to different beams.

[0053] For example, all four transmissions are transmitted on beam 1. Also, for example, the four transmissions are transmitted on beam 1, beam 2, beam 3, and beam 4, respectively. Also, for example, the first and third transmissions are transmitted on beam 1, and the second and fourth transmissions are transmitted on beam 2.

[0054] In the example shown in Figure 6, in CSI-RS period n, the number of transmissions L of CSI-RS with indexes "#1" and "#2" is 2, the slot offset of the first CSI-RS#1 is 0, the slot offset of the second CSI-RS#1 is greater than 0, and the time interval between two adjacent transmissions of the same CSI-RS is t2.

[0055] Similarly, the four transmissions of the two CSI-RS in one period may correspond to the same beam or to different beams.

[0056] For example, all four transmissions are sent on beam 1. Also, for example, the four transmissions are sent on beam 1, beam 2, beam 3, and beam 4, respectively. Also, for example, the first and third transmissions are sent on beam 1, and the second and fourth transmissions are sent on beam 2.

[0057] In step 306, a CSI report is transmitted, where the CSI report includes CSI corresponding to at least one transmission of the at least two transmissions of the at least one CSI-RS in one period.

[0058] "At least two transmissions" can be understood as any one of at least two transmissions, at least two CSI resources, and CSI-RS transmitted at different time domain positions. The CSI-RS transmitted at least twice may be the same CSI-RS, i.e., the CSI-RS transmitted at least twice has the same index. The CSI-RS transmitted at least twice may be different CSI-RS and have different indexes.

[0059] The terminal measures all or a part of the CSI-RS in one period, generates CSI corresponding to all or a part of the CSI-RS in one period, and transmits a CSI report to the base station. For example, the CSI report includes all of the CSI corresponding to the CSI-RS transmitted four times in a CSI-RS period n. Also, for example, the CSI report includes CSI corresponding to the CSI-RS transmitted for the third time and the CSI-RS transmitted for the fourth time in a CSI-RS period n. The reporting period of the CSI report is equal to or greater than the period of the CSI-RS.

[0060] In some embodiments, the CSI report includes CSI corresponding to at least two transmissions of at least one CSI-RS in one period.

[0061] For example, in Figure 5, the CSI report includes all of the CSI corresponding to CSI-RS#1 transmitted four times in a CSI-RS period n, or the CSI report includes CSI corresponding to CSI-RS#1 transmitted for the second and fourth times in a CSI-RS period n.

[0062] 6, for example, the CSI report includes CSI corresponding to CSI-RS#1 transmitted twice in a CSI-RS period n and CSI corresponding to CSI-RS#2 transmitted twice. Alternatively, the CSI report includes CSI corresponding to CSI-RS#1 transmitted for the second time in a CSI-RS period n and CSI corresponding to CSI-RS#2 transmitted for the second time.

[0063] In some embodiments, the CSI-RS report comprises: Indicate at least one CSI-RS index and a sequence number corresponding to at least one transmission out of the L transmissions of the at least one CSI-RS index in one period.

[0064] In some embodiments, the CSI-RS report includes at least one of an amplitude and a phase of at least one CSI-RS.

[0065] In some embodiments, the amplitudes include amplitudes corresponding respectively to at least one transmission of the L transmissions of the at least one CSI-RS in one period. Illustratively, the amplitudes include at least one of a wideband amplitude and a narrowband amplitude.

[0066] In some embodiments, the phases include phases each corresponding to at least one transmission of the L transmissions of the at least one CSI-RS in one period. Illustratively, the phases include at least one of a wideband phase and a narrowband phase.

[0067] For example, in Figure 5, the CSI report includes all of the CSI corresponding to CSI-RS#1 transmitted four times in a CSI-RS period n. Table 1 shows the contents of the CSI report in a schematic manner. Table 1 JPEG2025503699000002.jpg45170

[0068] For example, in Figure 5, the CSI report includes CSI corresponding to CSI-RS#1 transmitted for the second and fourth times in CSI-RS period n. The contents of the CSI report are shown diagrammatically in Table 2. Table 2 JPEG2025503699000003.jpg27170

[0069] For example, in Figure 6, the CSI report includes all of the CSI corresponding to the CSI-RS transmitted four times in a CSI-RS period n. The contents of the CSI report are shown diagrammatically in Table 3. Table 3 JPEG2025503699000004.jpg45170

[0070] For example, in Figure 6, the CSI report includes CSI corresponding to CSI-RS#1 transmitted for the second time in CSI-RS period n and CSI-RS#2 transmitted for the second time. The contents of the CSI report are shown diagrammatically in Table 4. Table 4 JPEG2025503699000005.jpg27170

[0071] As can be seen from the above table, the terminal can measure CSI-RS on multiple CSI-RS resources in one period. For example, by measuring the same CSI-RS transmitted by one beam at four different time domain positions and reporting the corresponding CSI report, the base station can obtain CSI at multiple different time domain positions from one CSI report, and can obtain accurate CSI in relatively real time even in a scenario where the UE moves at high speed. In summary, the method provided by this embodiment transmits at least one CSI-RS at least twice in one period and selects and reports the measurement result of at least one CSI-RS in one period by the UE, so that the UE can report the measurement result of CSI-RS at different time domain positions in one CSI report and can save signaling overhead in the CSI reporting process.

[0072] Meanwhile, since the base station can configure the same CSI-RS configuration information to transmit at least one CSI-RS at least twice in one period, signaling overhead in the CSI configuration process can also be saved.

[0073] 7 shows a flowchart of a method for configuring a CSI report according to an exemplary embodiment of the present application. In this embodiment, the method is applied to an access network device (e.g., a base station). The method includes step 402.

[0074] In step 402, a CSI report is received, the CSI report including CSI corresponding to at least one transmission of at least two transmissions of at least one CSI-RS in one period.

[0075] The access network device receives a CSI report transmitted from a terminal, where at least one CSI-RS is transmitted at least twice in one period, and the terminal measures the CSI-RS corresponding to at least one transmission of the at least two transmissions in one period and generates a corresponding CSI report.

[0076] The at least one CSI-RS includes an NZP CSI-RS and / or a ZP CSI-RS. The NZP CSI-RS needs to be actually generated and mapped to the RE. The ZP CSI-RS does not need to be actually generated and mapped to the RE.

[0077] "At least two transmissions" can be understood as at least one of at least two transmissions, at least two CSI resources, and CSI-RS transmitted at different time domain positions. The CSI-RS transmitted at least twice may be the same CSI-RS, i.e., the CSI-RS transmitted at least twice has the same index. The CSI-RS transmitted at least twice may be different CSI-RS and have different indexes.

[0078] In summary, the method provided by this embodiment transmits at least one CSI-RS at least twice in one period, and has the UE select and report measurement results of at least one CSI-RS in one period, thereby enabling the UE to report measurement results of CSI-RS at different time domain positions in one CSI report and saving signaling overhead in the CSI reporting process.

[0079] 8 shows a flowchart of a method for receiving a CSI report according to another exemplary embodiment of the present application. In this embodiment, the method is applied to an access network device (e.g., a base station) as an example. The method includes the following steps: In step 602, CSI-RS configuration information is sent to indicate at least one CSI-RS resource.

[0080] The CSI-RS configuration information includes at least one of a measurement configuration of the CSI-RS and a reporting configuration of the CSI corresponding to the CSI-RS.

[0081] In some embodiments, the CSI-RS configuration information includes at least one of the following information: A repetition state corresponding to at least one CSI-RS, the state including on or off. Repeated transmission refers to a mechanism of retransmitting the same CSI-RS at different time domain positions within the same period. Repeated transmission is also called a repeat count. If the state is on, the mechanism of repeated transmission is started. If the state is off, the mechanism of repeated transmission is stopped. In this embodiment, the case where the state is on is taken as an example.

[0082] At least one CSI-RS is transmitted L times in one period, where L is an integer greater than 0 or 1. When the state of repeated transmission is off, the number L of transmissions of the at least one CSI-RS in one period may be 1. When the state of repeated transmission is on, the number L of transmissions of the at least one CSI-RS in one period may be an integer greater than 1, such as 2 or 4.

[0083] · The time interval T between two transmissions of at least one CSI-RS in one period. The time interval T is an integer number of slots and / or an integer number of symbols.

[0084] · Silence pattern of at least one CSI-RS in one period. The silence pattern is used to indicate that no CSI-RS is transmitted at any time position within any CSI-RS period.

[0085] In some embodiments, the CSI-RS configuration information further includes at least one of the following information: At least one CSI-RS period. The periods of the different CSI-RSs may be the same or different. In this embodiment, a case where the periods of the different CSI-RSs are the same will be described as an example.

[0086] At least one CSI-RS slot offset. In one period, each CSI-RS has its own slot offset. Optionally, the slot offset of each CSI-RS is different. When the state of repeated transmission of a certain CSI-RS is on, the slot offset may be represented by the slot offset of the CSI-RS transmitted for the first time.

[0087] Symbol positions occupied by at least one CSI-RS. · Frequency domain resource location of at least one CSI-RS. · At least one CSI-RS port number. · Density of at least one CSI-RS. · QCL information of at least one CSI-RS, e.g., QCL Type D information. Here, the QCL Type D information is used to indicate the spatial reception parameters, known as beams, corresponding to the CSI-RS. The CSI-RS repeatedly transmitted at different time-domain positions within the same period may be transmitted based on the same beam or different beams.

[0088] In step 604, the CSI-RS is transmitted based on the at least one CSI-RS resource.

[0089] The access network device transmits the CSI-RS on the at least one CSI-RS resource based on the at least one CSI-RS resource configured by the CSI-RS configuration information. Optionally, each CSI-RS period in the CSI-RS configuration information includes at least two CSI-RS resources, and the CSI-RS is transmitted on each CSI-RS resource of the at least two CSI-RS resources.

[0090] The CSI-RS transmitted on the at least two CSI-RS resources may be the same CSI-RS, or the CSI-RS transmitted on the at least two CSI-RS resources may be different CSI-RS.

[0091] The at least one CSI-RS includes an NZP CSI-RS and / or a ZP CSI-RS. The NZP CSI-RS needs to be actually generated and mapped to the RE. The ZP CSI-RS does not need to be actually generated and mapped to the RE.

[0092] Illustratively, there is at least one CSI-RS that is repeatedly transmitted in one period, ie, the number of times that the at least one CSI-RS is transmitted in the one period is greater than one.

[0093] In the example shown in Figure 5, in a CSI-RS period n, the number of transmissions L of a CSI-RS with index "#1" is 4, the slot offset of the first CSI-RS#1 is 0, and the time interval between two adjacent transmissions of the same CSI-RS is t1. The four transmissions of the same CSI-RS in one period may correspond to the same beam or to different beams.

[0094] For example, all four transmissions are transmitted on beam 1. Also, for example, the four transmissions are transmitted on beam 1, beam 2, beam 3, and beam 4, respectively. Also, for example, the first and third transmissions are transmitted on beam 1, and the second and fourth transmissions are transmitted on beam 2.

[0095] In the example shown in Figure 6, in a CSI-RS period n, the number of transmissions L of CSI-RS with indexes "#1" and "#2" is 2, the slot offset of the first CSI-RS#1 is 0, the slot offset of the second CSI-RS#1 is greater than 0, and the time interval between two adjacent transmissions of the same CSI-RS is t2.

[0096] Similarly, the four transmissions of the two CSI-RS in one period may correspond to the same beam or to different beams.

[0097] For example, all four transmissions are transmitted on beam 1. Also, for example, the four transmissions are transmitted on beam 1, beam 2, beam 3, and beam 4, respectively. Also, for example, the first and third transmissions are transmitted on beam 1, and the second and fourth transmissions are transmitted on beam 2.

[0098] At step 606, a CSI report including CSI corresponding to at least one transmission of the at least two transmissions of the at least one CSI-RS in one period is received.

[0099] "At least two transmissions" can be understood as any one of at least two transmissions, at least two CSI resources, and CSI-RS transmitted at different time domain positions. The CSI-RS transmitted at least twice may be the same CSI-RS, i.e., the CSI-RS transmitted at least twice has the same index. The CSI-RS transmitted at least twice may be different CSI-RS and have different indexes.

[0100] The terminal measures all or a part of the CSI-RS in one period, generates CSI corresponding to all or a part of the CSI-RS in one period, and transmits a CSI report to the base station. For example, the CSI report includes all of the CSI corresponding to the CSI-RS transmitted four times in a CSI-RS period n. Also, for example, the CSI report includes CSI corresponding to the CSI-RS transmitted for the third time and the CSI-RS transmitted for the fourth time in a CSI-RS period n. The reporting period of the CSI report is equal to or greater than the period of the CSI-RS.

[0101] In some embodiments, the CSI report includes CSI corresponding to at least two transmissions of at least one CSI-RS in one period.

[0102] For example, in Figure 5, the CSI report includes all of the CSI corresponding to CSI-RS#1 transmitted four times in a CSI-RS period n, or the CSI report includes CSI corresponding to CSI-RS#1 transmitted for the second and fourth times in a CSI-RS period n.

[0103] 6, for example, the CSI report includes CSI corresponding to CSI-RS#1 transmitted twice in a CSI-RS period n and CSI corresponding to CSI-RS#2 transmitted twice, or the CSI report includes CSI corresponding to CSI-RS#1 transmitted for the second time in a CSI-RS period n and CSI corresponding to CSI-RS#2 transmitted for the second time.

[0104] In some embodiments, the CSI-RS report includes: It refers to at least one CSI-RS index and a sequence number corresponding to at least one transmission out of L transmissions of the at least one CSI-RS index in one period.

[0105] In some embodiments, the CSI-RS report includes at least one of an amplitude and a phase of at least one CSI-RS.

[0106] In some embodiments, the amplitudes include amplitudes corresponding respectively to at least one transmission of the L transmissions of the at least one CSI-RS in one period. Illustratively, the amplitudes include at least one of a wideband amplitude and a narrowband amplitude.

[0107] In some embodiments, the phases include phases each corresponding to at least one transmission of the L transmissions of the at least one CSI-RS in one period. Illustratively, the phases include at least one of a wideband phase and a narrowband phase.

[0108] Exemplarily, the terminal can measure CSI-RS in multiple CSI-RS resources in one period. For example, by measuring the same CSI-RS transmitted in one beam at four different time domain positions and reporting corresponding CSI reports, the base station can obtain CSI at multiple different time domain positions from one CSI report, and can obtain relatively real-time and accurate CSI even in a scenario where the UE moves at high speed.

[0109] In summary, the method provided by this embodiment transmits at least one CSI-RS at least twice in one period, and has the UE select and report measurement results of at least one CSI-RS in one period, thereby enabling the UE to report measurement results of CSI-RS at different time domain positions in one CSI report and saving signaling overhead in the CSI reporting process.

[0110] On the other hand, the base station can configure at least one CSI-RS to be transmitted at least twice in one period with the same CSI-RS configuration information, thereby saving signaling overhead in the CSI configuration process.

[0111] 9 is a block diagram of a CSI report transmitting device according to an exemplary embodiment of the present application. The method includes a transmitting module 920 for transmitting a CSI report including CSI corresponding to at least one transmission of the at least two transmissions of the at least one CSI-RS in one period.

[0112] In one possible design of this embodiment, the device comprises: The device further includes a receiving module 940 for receiving CSI-RS configuration information for indicating the at least one CSI-RS resource. The CSI report includes CSI obtained by measuring based on the at least one CSI-RS resource.

[0113] In one possible design of this embodiment, the CSI-RS configuration information includes: a state of repeated transmission corresponding to the at least one CSI-RS, including on or off; the number of times L (where L is an integer greater than 1) that the at least one CSI-RS is transmitted in the one period; a time interval T between two transmissions of the at least one CSI-RS in the one period; and a silence pattern for the at least one CSI-RS in the one period.

[0114] In one possible design of this embodiment, the CSI-RS configuration information includes: a periodicity of the at least one CSI-RS; a slot offset of the at least one CSI-RS; a symbol position occupied by said at least one CSI-RS; a frequency domain resource location of the at least one CSI-RS; the number of ports of the at least one CSI-RS; the density of the at least one CSI-RS; and Further included is at least one of the QCL information, e.g. QCL Type D information, of the at least one CSI-RS, known as beam information.

[0115] In one possible design of this embodiment, the CSI-RS report may include: Indicate an index of the at least one CSI-RS and a sequence number corresponding to at least one transmission among the L transmissions of the index of the at least one CSI-RS in the one period.

[0116] In one possible design of this embodiment, the CSI-RS report may include: Indicate at least one of an amplitude and a phase of the at least one CSI-RS.

[0117] In one possible design of this embodiment, the amplitudes include at least one of a broadband amplitude and a narrowband amplitude.

[0118] In one possible design of this embodiment, the amplitudes include amplitudes corresponding respectively to at least one transmission among the L transmissions of the at least one CSI-RS in the one period.

[0119] In one possible design of this embodiment, the phases include at least one of a broadband phase and a narrowband phase.

[0120] In one possible design of this embodiment, the phases include phases each corresponding to at least one transmission among the L transmissions of the at least one CSI-RS in the one period.

[0121] 10 is a block diagram of a receiving device for a CSI report provided by an exemplary embodiment of the present application. The system further includes a receiving module 1020 for receiving a CSI report including CSI corresponding to at least one transmission of the at least two transmissions of the at least one CSI-RS in one period.

[0122] In one possible design of this embodiment, the device comprises: The device further includes a transmitting module 1040 for transmitting CSI-RS configuration information for indicating the at least one CSI-RS resource. The CSI report includes CSI obtained by measuring based on the at least one CSI-RS resource.

[0123] In one possible design of this embodiment, the CSI-RS configuration information includes: a state of repeated transmission corresponding to the at least one CSI-RS, including on or off; the number of times L (where L is an integer greater than 1) that the at least one CSI-RS is transmitted in the one period; a time interval T between two transmissions of the at least one CSI-RS in the one period; and a silence pattern for the at least one CSI-RS in the one period.

[0124] In one possible design of this embodiment, the CSI-RS configuration information includes: a periodicity of the at least one CSI-RS; a slot offset of the at least one CSI-RS; a symbol position occupied by said at least one CSI-RS; a frequency domain resource location of the at least one CSI-RS; the number of ports of the at least one CSI-RS; the density of the at least one CSI-RS; and At least one of the QCL information of the at least one CSI-RS, known as beam information, e.g., QCL Type D information, is further included.

[0125] In one possible design of this embodiment, the CSI-RS report may include: Indicate an index of the at least one CSI-RS and a sequence number corresponding to at least one transmission among the L transmissions of the index of the at least one CSI-RS in the one period.

[0126] In one possible design of this embodiment, the CSI-RS report may include: Indicate at least one of an amplitude and a phase of the at least one CSI-RS.

[0127] In one possible design of this embodiment, the amplitudes include at least one of a broadband amplitude and a narrowband amplitude.

[0128] In one possible design of this embodiment, the amplitudes include amplitudes corresponding respectively to at least one transmission among the L transmissions of the at least one CSI-RS in the one period.

[0129] In one possible design of this embodiment, the phases include at least one of a broadband phase and a narrowband phase.

[0130] In one possible design of this embodiment, the phases include phases each corresponding to at least one transmission among the L transmissions of the at least one CSI-RS in the one period.

[0131] 11 shows a schematic block diagram of a communication device (UE or network device) according to an exemplary embodiment of the present application. The communication device includes a processor 1101, a receiver 1102, a transmitter 1103, a memory 1104 and a bus 1105.

[0132] The processor 1101 includes one or more processing cores, and the processor 1101 executes various functional applications and information processing by executing software programs and modules.

[0133] The receiver 1102 and the transmitter 1103 may be implemented as one communication component, which may be one communication chip. The memory 1104 is connected to the processor 1101 via a bus 1105 . The memory 1104 is capable of storing at least one instruction, and the processor 1101 executes the at least one instruction to realize each step in the above method embodiments.

[0134] Additionally, the memory 1104 may be implemented by any type of volatile or non-volatile storage device or combination thereof, including, but not limited to, a magnetic or optical disk, an Electrically Erasable Programmable Read Only Memory (EEPROM), an Erasable Programmable Read Only Memory (EPROM), a Static Random-Access Memory (SRAM), a Read Only Memory (ROM), a magnetic memory, a flash memory, and a Programmable Read Only Memory (PROM).

[0135] In an exemplary embodiment, a non-transitory computer-readable storage medium including instructions, such as a memory including instructions, is further provided, and the instructions are executed by a processor of the communication device to complete the above-mentioned coverage enhancement level determination method. For example, the non-transitory computer-readable storage medium may be a ROM, a Random-Access Memory (RAM), a Compact Disc Read Only Memory (CD-ROM), a magnetic tape, a floppy and an optical data storage device, etc.

[0136] A non-transitory computer-readable storage medium, wherein instructions in the non-transitory computer storage medium, when executed by a processor of a communications device, enable the communications device to perform the above-mentioned CSI report transmitting or receiving method.

[0137] In an exemplary embodiment of the present application, a network device is further provided, the network device including a processor and a transceiver connected to the processor, the processor being configured to load and execute executable instructions to realize a method for transmitting or receiving a CSI report according to each of the method embodiments described above.

[0138] In an exemplary embodiment of the present application, a chip is further provided, the chip including a programmable logic circuit and / or program instructions, and when the chip is operated, the method for transmitting or receiving a CSI report according to each of the method embodiments described above is realized.

[0139] In an exemplary embodiment of the present application, a computer-readable storage medium is further provided, wherein at least one instruction, at least one program, code set, or instruction set is stored in the computer-readable storage medium, and the at least one instruction, the at least one program, code set, or instruction set is loaded and executed by a processor to realize a method for transmitting or receiving a CSI report according to each embodiment of the above methods.

[0140] Further, it should be understood that "plurality" as described in this disclosure refers to two or more. "And / or" represents a relationship between related objects, for example, A and / or B represents three possible relationships: A exists alone, A and B exist together, and B exists alone. The character " / " typically represents an "or" relationship between the related objects before and after it.

[0141] Those skilled in the art will be able to easily come up with other embodiments of the present disclosure by considering the specification and practicing the present disclosure. This application is intended to cover any modifications, uses, or appropriate variations of the present disclosure, which modifications, uses, or appropriate variations follow the general principles of the present disclosure and include well-known common knowledge or customary technical means in the technical field not disclosed in the present disclosure. The specification and examples are considered as merely exemplary, with the true scope and spirit of the present disclosure being determined by the following claims.

[0142] It should be understood that the present disclosure is not limited to the exact configuration already described above and illustrated in the drawings, but various modifications and changes can be made without departing from the scope of the present disclosure, which is limited only by the appended claims.

Claims

1. 1. A method for transmitting channel state information (CSI) reports, comprising: a step of transmitting a CSI report by a terminal, the CSI report including CSI corresponding to at least one transmission of at least two transmissions of at least one channel state information reference signal (CSI-RS) in one period; 13. A method for transmitting a CSI report, comprising:

2. The method further includes receiving, by the terminal, CSI-RS configuration information for configuring at least one CSI-RS resource; The CSI report includes CSI obtained by measuring based on the at least one CSI-RS resource. The method of claim 1, wherein the CSI report transmission method is a method for transmitting a CSI report.

3. The CSI-RS configuration information includes: a state of repeated transmission corresponding to the at least one CSI-RS, including on or off; The number of times L (where L is a positive integer) that the at least one CSI-RS is transmitted in the one period; a time interval T between two transmissions of the at least one CSI-RS in the one period; a silence pattern of the at least one CSI-RS in the one period; a periodicity of the at least one CSI-RS; a slot offset of the at least one CSI-RS; a symbol position occupied by the at least one CSI-RS; a frequency domain resource location of the at least one CSI-RS; the number of ports of the at least one CSI-RS; the density of the at least one CSI-RS; and quasi-co-location (QCL) information of the at least one CSI-RS; The method of claim 1, wherein the CSI report transmission method is a method for transmitting a CSI report.

4. The CSI-RS report includes: an index of the at least one CSI-RS and a sequence number corresponding to at least one transmission among the L transmissions of the index of the at least one CSI-RS in the one period; and at least one of an amplitude and a phase of the at least one CSI-RS. The method of claim 1, wherein the CSI report transmission method is a method for transmitting a CSI report.

5. the amplitudes include at least one of a broadband amplitude and a narrowband amplitude; the amplitudes include amplitudes corresponding to at least one transmission among L transmissions of the at least one CSI-RS in the one period; The method of claim 4, wherein the CSI report transmission method is a method for transmitting a CSI report.

6. the phase includes at least one of a broadband phase and a narrowband phase; the phases include phases corresponding to at least one transmission among L transmissions of the at least one CSI-RS in the one period; The method of claim 4, wherein the CSI report transmission method is a method for transmitting a CSI report.

7. 1. A method for receiving channel state information (CSI) reports, comprising: receiving, by the network device, a CSI report, the CSI report including CSI corresponding to at least one transmission of at least two transmissions of at least one channel state information reference signal (CSI-RS) in a period; 11. A method for receiving a CSI report, comprising:

8. The network device transmits CSI-RS configuration information for indicating at least one CSI-RS resource; The CSI report includes CSI obtained by measuring based on the at least one CSI-RS resource. The method of claim 7 for receiving CSI reports.

9. The CSI-RS configuration information includes: a state of repeated transmission corresponding to the at least one CSI-RS, including on or off; The number of times L (where L is an integer greater than 1) that the at least one CSI-RS is transmitted in the one period; a time interval T between two transmissions of the at least one CSI-RS in the one period; a silence pattern of the at least one CSI-RS in the one period; a periodicity of the at least one CSI-RS; a slot offset of the at least one CSI-RS; a symbol position occupied by the at least one CSI-RS; a frequency domain resource location of the at least one CSI-RS; the number of ports of the at least one CSI-RS; the density of the at least one CSI-RS; and quasi-co-location (QCL) information of the at least one CSI-RS; The method of claim 8, wherein the CSI report receiving method is a method for receiving a CSI report.

10. The CSI-RS report includes: an index of the at least one CSI-RS and a sequence number corresponding to at least one transmission among the L transmissions of the index of the at least one CSI-RS in the one period; and at least one of an amplitude and a phase of the at least one CSI-RS. The method of claim 7 for receiving CSI reports.

11. the amplitudes include at least one of a broadband amplitude and a narrowband amplitude; the amplitudes include amplitudes corresponding to at least one transmission among L transmissions of the at least one CSI-RS in the one period; The method of claim 10, wherein the CSI report receiving method is a method for receiving a CSI report.

12. the phase includes at least one of a broadband phase and a narrowband phase; the phases include phases corresponding to at least one transmission among L transmissions of the at least one CSI-RS in the one period; The method of claim 10, wherein the CSI report receiving method is a method for receiving a CSI report.

13. 1. A channel state information (CSI) report transmitting apparatus, comprising: a transmission module for transmitting a CSI report, the CSI report including CSI corresponding to at least one transmission of at least two transmissions of at least one channel state information reference signal (CSI-RS) in a period; A CSI report transmitting device comprising:

14. a receiving module for receiving CSI-RS configuration information for indicating at least one CSI-RS resource; The CSI report includes CSI obtained by measuring based on the at least one CSI-RS resource. The CSI report transmitting device according to claim 13 .

15. The CSI-RS configuration information includes: a state of repeated transmission corresponding to the at least one CSI-RS, including on or off; The number of times L (where L is an integer greater than 1) that the at least one CSI-RS is transmitted in the one period; a time interval T between two transmissions of the at least one CSI-RS in the one period; a silence pattern of the at least one CSI-RS in the one period; a periodicity of the at least one CSI-RS; a slot offset of the at least one CSI-RS; a symbol position occupied by the at least one CSI-RS; a frequency domain resource location of the at least one CSI-RS; the number of ports of the at least one CSI-RS; the density of the at least one CSI-RS; and quasi-co-location (QCL) information of the at least one CSI-RS; The CSI report transmitting device according to claim 14 .

16. The CSI-RS report includes: an index of the at least one CSI-RS and a sequence number corresponding to at least one transmission among the L transmissions of the index of the at least one CSI-RS in the one period; and at least one of an amplitude and a phase of the at least one CSI-RS. The CSI report transmitting device according to claim 13 .

17. the amplitudes include at least one of a broadband amplitude and a narrowband amplitude; the amplitudes include amplitudes corresponding to at least one transmission among L transmissions of the at least one CSI-RS in the one period; The CSI report transmitting device according to claim 16,

18. the phase includes at least one of a broadband phase and a narrowband phase; the phases include phases corresponding to at least one transmission among L transmissions of the at least one CSI-RS in the one period; The CSI report transmitting device according to claim 16,

19. 1. An apparatus for receiving a channel state information (CSI) report, comprising: a receiving module for receiving a CSI report, the CSI report including CSI corresponding to at least one transmission of at least two transmissions of at least one channel state information reference signal (CSI-RS) in one period; 13. A CSI report receiving device comprising:

20. a transmitting module for transmitting CSI-RS configuration information for indicating at least one CSI-RS resource; The CSI report includes CSI obtained by measuring based on the at least one CSI-RS resource.

20. The CSI report receiving device according to claim 19,

21. The CSI-RS configuration information includes: a state of repeated transmission corresponding to the at least one CSI-RS, including on or off; The number of times L (where L is an integer greater than 1) that the at least one CSI-RS is transmitted in the one period; a time interval T between two transmissions of the at least one CSI-RS in the one period; a silence pattern of the at least one CSI-RS in the one period; a periodicity of the at least one CSI-RS; a slot offset of the at least one CSI-RS; a symbol position occupied by the at least one CSI-RS; a frequency domain resource location of the at least one CSI-RS; the number of ports of the at least one CSI-RS; the density of the at least one CSI-RS; and quasi-co-location (QCL) information of the at least one CSI-RS; 21. A device for receiving CSI reports according to claim 20.

22. The CSI-RS report includes: an index of the at least one CSI-RS and a sequence number corresponding to at least one transmission among the L transmissions of the index of the at least one CSI-RS in the one period; and at least one of an amplitude and a phase of the at least one CSI-RS.

20. The CSI report receiving device according to claim 19,

23. the amplitudes include at least one of a broadband amplitude and a narrowband amplitude; the amplitudes include amplitudes corresponding to at least one transmission among L transmissions of the at least one CSI-RS in the one period; 23. A device for receiving CSI reports according to claim 22.

24. the phase includes at least one of a broadband phase and a narrowband phase; the phases include phases corresponding to at least one transmission among L transmissions of the at least one CSI-RS in the one period; 23. A device for receiving CSI reports according to claim 22.

25. 1. A communications device, comprising: A method for transmitting a channel state information (CSI) report according to any one of claims 1 to 6 or a method for receiving a CSI report according to any one of claims 7 to 12, comprising: a processor and a memory, and a computer program is stored in the memory, and the computer program is loaded and executed by the processor to realize the method for transmitting a channel state information (CSI) report according to any one of claims 1 to 6 or the method for receiving a CSI report according to any one of claims 7 to 12. A communication device comprising:

26. A chip, a programmable logic circuit and / or program instructions, which when the chip is operated, realises a method for transmitting a channel state information (CSI) report according to any one of claims 1 to 6 or a method for receiving a CSI report according to any one of claims 7 to 12; A chip characterized by:

27. A computer-readable storage medium having a computer program stored thereon, the computer program being executed by a processor to realize the method for transmitting a channel state information (CSI) report according to any one of claims 1 to 6 or the method for receiving a CSI report according to any one of claims 7 to 12. A computer-readable storage medium comprising:

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