Information reporting, information receiving method, device, equipment and storage medium

Abstract

The present application discloses an information reporting and information receiving method, device, equipment and storage medium, and relates to the field of mobile communications. The method comprises: a terminal sends channel state information to a network device, the channel state information comprises time domain parameters and / or Doppler domain parameters, and the terminal reports the channel state information comprising the time domain parameters and / or Doppler domain parameters to the network device, the time domain parameters and / or Doppler domain parameters can indicate the coherence time of the channel, so as to determine the time domain correlation of the channel based on the determined channel coherence time, reduce the signaling overhead and improve the CSI feedback accuracy.

Description

Technical Field

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

[0002] In mobile communication technology, the terminal will feedback CSI (Channel State Information) to the network device to inform the network device of the terminal's channel measurement results. When the terminal is moving at medium or high speed, if the period of the terminal's feedback CSI is too long, the CSI feedback delay is large, resulting in poor accuracy of the feedback CSI. If the period of feedback CSI is too short, the CSI feedback signaling overhead is large. Summary of the invention

[0003] The embodiments of the present application provide a method, apparatus, device and storage medium for reporting and receiving information, which determines the time domain correlation of the channel based on the determined coherence time, reduces the signaling overhead and improves the accuracy of CSI feedback. The technical solution is as follows:

[0004] According to one aspect of the present application, there is provided an information reporting method, the method being executed by a terminal, the method comprising:

[0005] Channel state information is sent to a network device, where the channel state information includes time domain parameters and / or Doppler domain parameters.

[0006] According to one aspect of the present application, a method for receiving information is provided, the method being executed by a network device, the method comprising:

[0007] Channel state information sent by a receiving terminal is received, where the channel state information includes time domain parameters and / or Doppler domain parameters.

[0008] According to one aspect of the present application, there is provided an information reporting device, the device comprising:

[0009] The sending module is used to send channel state information to the network device, where the channel state information includes time domain parameters and / or Doppler domain parameters.

[0010] In some embodiments, the time domain parameter and / or Doppler domain parameter includes at least one of the following:

[0011] Doppler shift;

[0012] a shift coefficient for the Doppler shift;

[0013] Doppler expansion;

[0014] A first expansion factor for the Doppler expansion.

[0015] In some embodiments, the time domain parameter includes at least one of the following:

[0016] Doppler delay;

[0017] a first delay coefficient for the Doppler delay;

[0018] Average delay;

[0019] a second delay coefficient for the average delay;

[0020] Delay spread;

[0021] A second spreading factor for the delay spread.

[0022] In some embodiments, the channel state information is carried in PMI (Precoding Matrix Indicator).

[0023] In some embodiments, the apparatus further comprises:

[0024] The sending module is used to send first information to the network device, and the first information includes at least one of CRI (CSI-RS Resource Indicator, channel state information reference signal resource indication), RI (Rank Indicator, rank indication), CQI (Channel Quality Indicator, channel quality indication) and LI (Layer Indicator, layer indication).

[0025] In some embodiments, the channel state information exists independently from the PMI.

[0026] In some embodiments, the apparatus further comprises:

[0027] The sending module is used to send second information to the network device, where the second information includes at least one of CRI, PMI, RI, CQI and LI.

[0028] In some embodiments, the sending module is further used to send the channel state information corresponding to each beam in multiple beams to the network device.

[0029] In some embodiments, the sending module is further used to:

[0030] Sending the broadband-based channel state information to the network device; or,

[0031] The narrowband-based channel state information is sent to the network device.

[0032] In some embodiments, the frequency domain unit corresponding to the channel state information is the same as the frequency domain unit corresponding to the narrowband phase and / or amplitude; or,

[0033] The frequency domain unit corresponding to the channel state information is different from the frequency domain unit corresponding to the narrowband phase and / or amplitude.

[0034] In some embodiments, the sending module is further used to:

[0035] After sending the first information to the network device, and if a preset condition is met, sending the channel state information to the network device.

[0036] In some embodiments, the sending module is further used to:

[0037] After sending the second information to the network device, and if a preset condition is met, sending the channel state information to the network device.

[0038] In some embodiments, the preset condition includes at least one of the following:

[0039] At least one of the CRI and the RI remains unchanged;

[0040] The time for sending at least one of the CRI, the PMI, the RI, the CQI and the LI has not yet arrived.

[0041] In some embodiments, the channel state information also includes at least one of the following items corresponding to the time domain parameters: a channel state information reference signal CSI-RS identifier, a CSI-RS resource set identifier and a transmission sequence number corresponding to the CSI-RS.

[0042] In some embodiments, the channel state information further includes at least one of the following items corresponding to the Doppler domain parameters: a channel state information reference signal CSI-RS identifier, a CSI-RS resource set identifier, and a transmission sequence number corresponding to the CSI-RS.

[0043] According to one aspect of the present application, there is provided an information receiving device, the device comprising:

[0044] The receiving module is used to receive channel state information sent by the terminal, where the channel state information includes time domain parameters and / or Doppler domain parameters.

[0045] In some embodiments, the Doppler domain parameter includes at least one of the following:

[0046] Doppler shift;

[0047] a shift coefficient for the Doppler shift;

[0048] Doppler expansion;

[0049] A first expansion coefficient for the Doppler deviation expansion.

[0050] In some embodiments, the time domain parameter includes at least one of the following:

[0051] Doppler delay;

[0052] a first delay coefficient for the Doppler delay;

[0053] Average delay;

[0054] a second delay coefficient for the average delay;

[0055] Delay spread;

[0056] A second spreading factor for the delay spread.

[0057] In some embodiments, the channel state information is included in a PMI.

[0058] In some embodiments, the receiving module is used to receive first information sent by the terminal, and the first information includes at least one of CRI, RI, CQI and LI.

[0059] In some embodiments, the channel state information exists independently from the PMI.

[0060] In some embodiments, the receiving module is used to receive second information sent by the terminal, and the second information includes at least one of CRI, PMI, RI, CQI and LI.

[0061] In some embodiments, the receiving module is used to receive the channel state information corresponding to each beam of the multiple beams sent by the terminal.

[0062] In some embodiments, the receiving module is used to:

[0063] receiving the broadband-based channel state information sent by the terminal; or,

[0064] The narrowband-based channel state information sent by the terminal is received.

[0065] In some embodiments, the frequency domain unit corresponding to the channel state information is the same as the frequency domain unit corresponding to the narrowband phase and / or amplitude; or,

[0066] The frequency domain unit corresponding to the channel state information is different from the frequency domain unit corresponding to the narrowband phase and / or amplitude.

[0067] In some embodiments, the receiving module is further used to receive the channel state information sent by the terminal after the terminal sends the first information to the network device and when a preset condition is met.

[0068] In some embodiments, the receiving module is further used to receive the channel state information sent by the terminal after the terminal sends the second information to the network device and when a preset condition is met.

[0069] In some embodiments, the preset condition includes at least one of the following:

[0070] At least one of the CRI and the RI remains unchanged;

[0071] The time for sending at least one of the CRI, the PMI, the RI, the CQI and the LI has not yet arrived.

[0072] In some embodiments, the channel state information further includes at least one of the following items corresponding to the time domain parameters: a CSI-RS identifier, a CSI-RS resource set identifier, and a transmission sequence number corresponding to the CSI-RS.

[0073] In some embodiments, the channel state information further includes at least one of the following items corresponding to the Doppler domain parameter: a CSI-RS identifier, a CSI-RS resource set identifier, and a transmission sequence number corresponding to the CSI-RS.

[0074] According to one aspect of the present application, a terminal is provided, comprising: a processor; a transceiver connected to the processor; and a memory for storing executable instructions of the processor; wherein the processor is configured to load and execute the executable instructions to implement the information reporting method as described above.

[0075] According to one aspect of the present application, a network device is provided, comprising: a processor; a transceiver connected to the processor; and a memory for storing executable instructions of the processor; wherein the processor is configured to load and execute the executable instructions to implement the information receiving method as described above.

[0076] According to one aspect of the present application, a computer-readable storage medium is provided, in which executable program code is stored. The executable program code is loaded and executed by a processor to implement the information reporting method as described above or the information receiving method as described above.

[0077] According to one aspect of the present application, a chip is provided, which includes a programmable logic circuit and / or program instructions. When the chip runs on a terminal or a network device, it is used to implement the information reporting method as described above or the information receiving method as described above.

[0078] According to one aspect of the present application, a computer program product is provided. When the computer program product is executed by a processor of a terminal or a network device, it is used to implement the information reporting method of the above aspect or the information receiving method of the above aspect.

[0079] An embodiment of the present application provides an information reporting method, whereby a terminal reports channel state information including time domain parameters and / or Doppler domain parameters to a network device, where the time domain parameters and / or Doppler domain parameters can indicate the coherence time of the channel, so as to determine the time domain correlation of the channel based on the determined coherence time, thereby reducing signaling overhead while improving CSI feedback accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0080] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0081] Figure 1 A block diagram of a communication system provided by an exemplary embodiment of the present application is shown;

[0082] Figure 2 A flowchart of an information reporting method provided by an exemplary embodiment of the present application is shown;

[0083] Figure 3 A block diagram of an information reporting device provided by an exemplary embodiment of the present application is shown;

[0084] Figure 4 A block diagram of an information receiving device provided by an exemplary embodiment of the present application is shown;

[0085] Figure 5 A schematic diagram of the structure of a communication device provided by an exemplary embodiment of the present application is shown. DETAILED DESCRIPTION

[0086] In order to make the objectives, technical solutions and advantages of the present application clearer, the implementation methods of the present application will be further described in detail below with reference to the accompanying drawings.

[0087] Exemplary embodiments will be described in detail herein, examples of which are shown in the accompanying drawings. Unless otherwise indicated, when the following description refers to the drawings, the same numbers in different drawings represent the same or similar elements. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Instead, they are merely examples of devices and methods consistent with some aspects of the present application as detailed in the appended claims.

[0088] The terms used in this application are only for the purpose of describing specific embodiments and are not intended to limit this application. The singular forms of "a", "said" and "the" used in this application and the appended claims are also intended to include plural forms, unless the context clearly indicates other meanings. It should also be understood that the term "and / or" used in this article refers to and includes any or all possible combinations of one or more associated listed items.

[0089] It should be understood that, although the terms first, second, third, etc. may be used in the present application to describe various information, these information should not be limited to these terms. These terms are only used to distinguish the same type of information from each other. For example, without departing from the scope of the present application, the first information may also be referred to as the second information, and similarly, the second information may also be referred to as the first information. Depending on the context, for example, the word "if" used herein may be interpreted as "at the time of" or "when" or "in response to determining".

[0090] The following is an explanation of the application scenarios of this application:

[0091] Figure 1 A block diagram of a communication system provided by an exemplary embodiment of the present application is shown. The communication system may include: a terminal 10 and a network device 20.

[0092] The number of terminals 10 is usually multiple, and one or more terminals 10 may be distributed in a cell managed by each network device 20. The terminal 10 may include various handheld devices with wireless communication functions, vehicle-mounted devices, wearable devices, computing devices, or other processing devices connected to a wireless modem, as well as various forms of user equipment (UE), mobile stations (MS), etc. For the convenience of description, in the embodiments of the present application, the above-mentioned devices are collectively referred to as terminals.

[0093] The network device 20 is a device deployed in the access network to provide wireless communication functions for the terminal 10. For the convenience of description, in the embodiments of the present application, the above-mentioned devices that provide wireless communication functions for the terminal 10 are collectively referred to as network devices. A connection can be established between the network device 20 and the terminal 10 through an air interface, so that communication is performed through the connection, including the interaction of signaling and data. There can be multiple network devices 20, and two adjacent network devices 20 can also communicate in a wired or wireless manner. The terminal 10 can switch between different network devices 20, that is, establish connections with different network devices 20.

[0094] The network device 20 may include various forms of macro base stations, micro base stations, relay stations, access points, etc. In systems using different wireless access technologies, the name of the device with network device function may be different, for example, in the 5G NR system, it is called gNodeB or gNB. With the evolution of communication technology, the name of "network device" may change.

[0095] Figure 2 A flowchart of an information reporting method provided by an exemplary embodiment of the present application is shown, which can be applied to Figure 1 In the terminal and network device shown, the method includes at least part of the following contents:

[0096] Step 201: The terminal sends channel state information to a network device, where the channel state information includes time domain parameters and / or Doppler domain parameters.

[0097] In the embodiment of the present application, the terminal and the network device interact with each other, and the terminal sends time domain parameters and / or Doppler domain parameters to the network device. The time domain parameters refer to parameters related to time delay, and the Doppler domain parameters refer to parameters related to Doppler frequency shift or Doppler spread.

[0098] Among them, the terminal will perform measurements based on the CSI-RS (Channel State Information-Reference Signal) and / or SSB (Synchronization Signal and PBCH Block) sent by the network device, and then send channel state information to the network device to indicate time domain parameters and / or Doppler domain parameters.

[0099] Step 202: The network device receives channel state information sent by the terminal.

[0100] In an embodiment of the present application, a network device receives channel state information, determines time domain parameters and / or Doppler domain parameters based on the channel state information, and further determines a channel coherence time based on the time domain parameters and / or Doppler parameters.

[0101] In some embodiments, the channel state information may be sent in a variety of ways. For example, the sending method includes at least one of the following:

[0102] (1) Periodic transmission.

[0103] (2) Send N times in one cycle, where N is an integer greater than 0.

[0104] (3) Non-periodic transmission.

[0105] (4) Semi-persistent sending.

[0106] It should be noted that the steps executed by the terminal in the embodiment of the present application can be implemented separately to form a new embodiment, and the steps executed by the network device can be implemented separately to form a new embodiment.

[0107] An embodiment of the present application provides an information reporting method, in which a terminal reports channel state information including time domain parameters and / or Doppler domain parameters to a network device, wherein the time domain parameters and / or Doppler domain parameters can indicate the coherence time of the channel, so as to determine the time domain correlation of the channel based on the determined coherence time, thereby reducing signaling overhead while improving CSI feedback accuracy.

[0108] Optionally, in Figure 2 According to the embodiment shown, the Doppler domain parameter includes at least one of the following:

[0109] (1) Doppler shift

[0110] The Doppler shift corresponds to a numerical value, and the Doppler shift is indicated by the numerical value. For example, the numerical value corresponding to the Doppler shift is indicated by Hz (Hertz), or by MHz (Megahertz), or indicated by other units.

[0111] Alternatively, the Doppler shift corresponds to a CSI-RS index or a CSI-RS set index, that is, refers to the Doppler shift corresponding to the CSI-RS index or the CSI-RS set index.

[0112] Alternatively, the Doppler offset corresponds to the Nth transmission sequence number of a CSI-RS index, that is, refers to the Doppler offset corresponding to the Nth transmission sequence number based on the CSI-RS index.

[0113] (2) Shift coefficient for Doppler shift.

[0114] In an embodiment of the present application, the terminal can report multiple Doppler offsets through channel state information. When the terminal reports one Doppler offset, other Doppler offsets can be indicated by offset coefficients, that is, other Doppler offsets are indicated by the offset coefficient for one Doppler offset.

[0115] In some embodiments, the offset coefficient is a value based on the Doppler offset, and other Doppler offsets are determined by the sum of the Doppler offset and the offset coefficient.

[0116] (3) Doppler spread.

[0117] The Doppler extension is a numerical range. For example, the numerical range is -fm (maximum frequency offset value) to fm, which means that the Doppler offset value is within the range, or the numerical range is expressed in other ways, which is not limited in the embodiment of the present application.

[0118] Alternatively, the Doppler extension is a CSI-RS index or a CSI-RS set index, that is, it refers to the Doppler extension corresponding to the CSI-RS index or the CSI-RS set index.

[0119] Alternatively, the Doppler spread is the Nth transmission sequence number of a CSI-RS index, that is, refers to the Doppler spread corresponding to the Nth transmission sequence number based on the CSI-RS index.

[0120] (4) A first expansion coefficient for Doppler expansion.

[0121] In an embodiment of the present application, the terminal can report multiple Doppler extensions through channel state information. When the terminal reports one Doppler extension, other Doppler extensions can be indicated by the first extension coefficient, that is, other Doppler extensions are indicated by the first extension coefficient for one Doppler extension.

[0122] In some embodiments, the first expansion coefficient is a value based on Doppler expansion, and other Doppler expansions are determined by the sum of the Doppler expansion and the first expansion coefficient.

[0123] The method provided in the embodiment of the present application includes at least one parameter among multiple parameters in the channel state information, so that the network device can determine the channel coherence time of the terminal, thereby reducing the feedback overhead while improving the CSI feedback accuracy.

[0124] Optionally, in Figure 2 Based on the embodiment shown, the time domain parameter includes at least one of the following:

[0125] (1) Doppler delay

[0126] The Doppler delay is a delay caused by the Doppler shift and is expressed in milliseconds, seconds or other units.

[0127] Alternatively, the Doppler delay is a CSI-RS index or a CSI-RS set index, that is, it refers to the Doppler delay corresponding to the CSI-RS index or the CSI-RS set index.

[0128] Alternatively, the Doppler delay is the Nth transmission sequence number of a CSI-RS index, that is, it refers to the Doppler delay corresponding to the Nth transmission sequence number based on the CSI-RS index.

[0129] (2) The first delay coefficient for Doppler delay.

[0130] In an embodiment of the present application, the terminal can report multiple Doppler delays through channel state information. When the terminal reports one Doppler delay, other Doppler delays can be indicated by the first delay coefficient, that is, other Doppler delays are indicated by the first delay coefficient for one Doppler delay.

[0131] In some embodiments, the first delay coefficient is a value based on the Doppler delay, and other Doppler delays are determined by the sum of the Doppler delay and the first delay coefficient.

[0132] (3) Average delay:

[0133] The average delay is the time required in the multipath transmission process and is expressed in milliseconds, seconds or other units.

[0134] Alternatively, the average delay is a CSI-RS index or a CSI-RS set index, that is, it refers to the average delay corresponding to the CSI-RS index or the CSI-RS set index.

[0135] Alternatively, the average delay is the Nth transmission sequence number of a CSI-RS index, that is, it refers to the average delay corresponding to the Nth transmission sequence number based on the CSI-RS index.

[0136] (4) The second delay coefficient for the average delay.

[0137] In an embodiment of the present application, the terminal can report multiple average delays through channel state information. When the terminal reports one average delay, other average delays can be indicated by a second delay coefficient, that is, other average delays are indicated by the second delay coefficient for one average delay.

[0138] In some embodiments, the second delay coefficient is a value based on the average delay, and other average delays are determined by the sum of the average delay and the second delay coefficient.

[0139] (5) Delay spread

[0140] The delay is extended to a duration range, which is expressed in seconds, milliseconds or other ways, and is not limited in the embodiments of the present application.

[0141] Alternatively, the delay extension is a CSI-RS index or a CSI-RS set index, that is, it refers to the delay extension corresponding to the CSI-RS index or the CSI-RS set index.

[0142] Alternatively, the delay extension is the Nth transmission sequence number of a CSI-RS index, that is, it refers to the delay extension corresponding to the Nth transmission sequence number based on the CSI-RS index.

[0143] (6) A second expansion factor for delay spread.

[0144] In an embodiment of the present application, the terminal can report multiple delay extensions through channel state information. When the terminal reports one delay extension, other delay extensions can be indicated by the second extension coefficient, that is, other delay extensions are indicated by the second extension coefficient for one delay extension.

[0145] In some embodiments, the second expansion coefficient is a value based on the delay spread, and other delay spreads are determined by the sum of the delay spread and the second expansion coefficient.

[0146] It should be noted that the embodiments of the present application are only described by taking the time domain parameters and / or Doppler domain parameters as examples. In another embodiment, the channel state information also includes at least one of the following items corresponding to the time domain parameters: CSI-RS identifier, CSI-RS resource set identifier, and the transmission sequence number corresponding to the CSI-RS; and / or, the channel state information also includes at least one of the following items corresponding to the Doppler domain parameters: CSI-RS identifier, CSI-RS resource set identifier, and the transmission sequence number corresponding to the CSI-RS.

[0147] The method provided in the embodiment of the present application includes at least one parameter among multiple parameters in the channel state information, so that the network device can determine the channel coherence time of the terminal, thereby reducing the feedback overhead while improving the CSI feedback accuracy.

[0148] exist Figure 2 Based on the illustrated embodiment, the channel state information is carried in the PMI, or may be independent of the PMI.

[0149] In some embodiments, the channel state information is carried in the PMI, that is, the channel state information is a part of the PMI, and the PMI reported by the terminal includes the above channel state information.

[0150] Optionally, the terminal sends channel state information corresponding to each beam in the multiple beams to the network device. It can also be understood that the above channel state information is independently fed back based on each beam.

[0151] Among them, each beam in the multiple beams can be indicated by at least one CSI-RS port identifier or antenna port identifier.

[0152] Optionally, if the channel state information is included in the PMI, the terminal may also send first information to the network device, where the first information includes at least one of CRI, RI, CQI and LI.

[0153] In some embodiments, the PMI includes at least one of an X1 information field and an X2 information field.

[0154] The X1 information domain includes:

[0155] i1 is related to at least one of N1, O1, N2 and O2, where N1 is the number of antenna ports in the first dimension, O1 is the number of oversampling or beams in the first dimension, N2 is the number of antenna ports in the second dimension, and O2 is the number of oversampling or beams in the second dimension).

[0156] i1 includes amplitude or phase parameters corresponding to different antenna panels or different transmission reception points (Transmission reception Point, TRP) or different transmission points (Transmission Point, TP) or different radio remote headers (Radio remote header, RRH).

[0157] The X2 information field includes:

[0158] i2 includes narrowband amplitude parameters and / or phase parameters, and time-frequency and spatial domain resource identifiers corresponding to the parameters.

[0159] It should be noted that if the channel state information in the embodiment of the present application includes at least one coefficient in the above situation, it can be fed back based on the correlation coefficient of the selected beam and the above Doppler frequency shift / Doppler expansion / Doppler delay / average delay / delay expansion.

[0160] In some other embodiments, the channel state information exists independently of the PMI, that is, the channel state information is independent of the PMI feedback.

[0161] Optionally, the terminal sends channel state information corresponding to each beam in the multiple beams to the network device. It can also be understood that the above channel state information is independently fed back based on each beam.

[0162] Each of the multiple beams may be indicated by at least one CSI-RS port identifier or an antenna port identifier. Each beam may be indicated independently, or each beam may be the same as a beam of the PMI.

[0163] Optionally, if the channel state information is independent of the PMI, the terminal may also send second information to the network device, where the second information includes at least one of CRI, PMI, RI, CQI and LI.

[0164] It should be noted that if the channel state information in the embodiment of the present application includes at least one coefficient in the above situation, it can be fed back based on the correlation coefficient of the selected beam and the above Doppler frequency shift / Doppler expansion / Doppler delay / average delay / delay expansion.

[0165] In some embodiments, the channel state information is carried in PUCCH (Physical Uplink Control Channel) and / or PUSCH (Physical Uplink Shared Channel).

[0166] Optionally, if the channel state information is carried in a PUSCH, the PUSCH may be independently configured, or may be a PUSCH carrying at least one of the above-mentioned CRI, PMI, RI, CQI and LI.

[0167] In the solution provided in the embodiment of the present application, the channel state information is included in the PMI or is independent of the PMI, and time domain parameters and / or Doppler domain parameters can be reported to the network device. Different reporting methods can report the channel state information, thereby improving transmission performance.

[0168] exist Figure 2 Based on the illustrated embodiment, the above channel state information may be based on wideband or narrowband feedback.

[0169] In some embodiments, the terminal sends broadband-based channel state information to the network device.

[0170] In some other embodiments, the terminal sends narrowband-based channel state information to the network device.

[0171] Among them, broadband refers to the entire bandwidth, wideband (broadband). Narrowband refers to dividing the entire bandwidth into multiple subbands (narrowband). If the bandwidth is 24-72 PRB (Physical Resource Block), the subband size is 4 or 8 PRBs; when the bandwidth is 73-144 PRBs, the subband size is 8 or 16 PRBs; when the bandwidth is 145-275 PRBs, the subband size is 16 or 32 PRBs.

[0172] Optionally, the frequency domain unit corresponding to the channel state information is the same as the frequency domain unit corresponding to the narrowband phase and / or amplitude.

[0173] In the embodiment of the present application, the granularity of the frequency domain unit corresponding to the channel state information is greater than the granularity of the frequency domain unit corresponding to the narrowband phase and / or amplitude.

[0174] In the above embodiments, when the terminal reports the channel state information, it also reports the first information or the second information in addition to the channel state information.

[0175] In some embodiments, after sending the first information to the network device, and if a preset condition is met, the terminal only sends the channel state information to the network device.

[0176] In some other embodiments, after sending the second information to the network device, and when a preset condition is met, the terminal only sends the channel state information to the network device.

[0177] The preset condition is used to indicate that after the terminal sends the first information or the second information, it is no longer necessary to send the first information or the second information.

[0178] In some embodiments, the preset condition includes at least one of the following:

[0179] (1) At least one of CRI and RI remains unchanged.

[0180] (2) The time for sending at least one of CRI, PMI, RI, CQI and LI has not yet arrived.

[0181] In an embodiment of the present application, if the terminal has sent at least one of CRI, PMI, RI, CQI and LI and channel state information, that is, the channel state information exists independently of PMI, and the time for sending the next CRI, PMI, RI, CQI and LI has not yet arrived, then there is no need to send at least one of CRI, PMI, RI, CQI and LI, and only the channel state information needs to be sent.

[0182] Alternatively, if the terminal has sent at least one of CRI, PMI, RI, CQI and LI and channel state information, that is, the channel state information and PMI exist independently, and at least one of CRI and RI has not changed during the next report, there is no need to send at least one of CRI, PMI, RI, CQI and LI, and only the channel state information needs to be sent.

[0183] Alternatively, if the terminal has sent at least one of CRI, RI, CQI and LI and a PMI containing the channel state information, but has not yet reached the time to send at least one of the next CRI, RI, CQI and LI, there is no need to send at least one of CRI, RI, CQI and LI again, and only the channel state information needs to be sent.

[0184] Alternatively, if the terminal has sent at least one of CRI, RI, CQI and LI and a PMI containing the channel state information, and at least one of CRI and RI has not changed during the next report, there is no need to send at least one of CRI, RI, CQI and LI, and only the PMI containing the channel state information needs to be sent.

[0185] In the method provided in the embodiment of the present application, when the preset conditions are met, the terminal only needs to send the channel state information, and there is no need to send other information except the channel state information, thus saving signaling overhead.

[0186] It should be noted that the above-mentioned embodiments can be split into new embodiments, or combined with other embodiments to form new embodiments. This application does not limit the combination between the embodiments.

[0187] Figure 3 A block diagram of an information reporting device provided by an exemplary embodiment of the present application is shown, see Figure 3 , the device comprises:

[0188] The sending module 301 is used to send channel state information to a network device, where the channel state information includes time domain parameters and / or Doppler domain parameters.

[0189] In some embodiments, the Doppler domain parameter includes at least one of the following:

[0190] Doppler shift;

[0191] Shift coefficient for Doppler shift;

[0192] Doppler expansion;

[0193] A first spreading factor for Doppler spreading.

[0194] In some embodiments, the time domain parameter includes at least one of the following:

[0195] Doppler delay;

[0196] The first delay coefficient for Doppler delay;

[0197] Average delay;

[0198] A second delay coefficient for the average delay;

[0199] Delay spread;

[0200] A second spreading factor for delay spread.

[0201] In some embodiments, the channel state information is included in the PMI.

[0202] In some embodiments, the apparatus further comprises:

[0203] The sending module 301 is used to send first information to the network device, where the first information includes at least one of CRI, RI, CQI and LI.

[0204] In some embodiments, the channel state information exists independently from the PMI.

[0205] In some embodiments, the apparatus further comprises:

[0206] The sending module 301 is used to send second information to the network device, where the second information includes at least one of CRI, PMI, RI, CQI and LI.

[0207] In some embodiments, the sending module 301 is further used to send channel state information corresponding to each beam in the multiple beams to the network device.

[0208] In some embodiments, the sending module 301 is further configured to:

[0209] Sending broadband-based channel state information to a network device; or,

[0210] Send narrowband based channel state information to network devices.

[0211] In some embodiments, the frequency domain unit corresponding to the channel state information is the same as the frequency domain unit corresponding to the narrowband phase and / or amplitude; or,

[0212] The frequency domain unit corresponding to the channel state information is different from the frequency domain unit corresponding to the narrowband phase and / or amplitude.

[0213] In some embodiments, the sending module 301 is further configured to:

[0214] After the first information and / or the second information is sent to the network device, and when a preset condition is met, channel state information is sent to the network device.

[0215] In some embodiments, the sending module 301 is further configured to:

[0216] After the second information is sent to the network device, and when a preset condition is met, channel state information is sent to the network device.

[0217] In some embodiments, the preset condition includes at least one of the following:

[0218] At least one of CRI and RI remains unchanged;

[0219] The time to send at least one of CRI, PMI, RI, CQI and LI has not yet arrived.

[0220] In some embodiments, the channel state information further includes at least one of the following items corresponding to the time domain parameters: a channel state information reference signal CSI-RS identifier, a CSI-RS resource set identifier, and a transmission sequence number corresponding to the CSI-RS.

[0221] In some embodiments, the channel state information further includes at least one of the following items corresponding to the Doppler domain parameter: a channel state information reference signal CSI-RS identifier, a CSI-RS resource set identifier, and a transmission sequence number corresponding to the CSI-RS.

[0222] It should be noted that the device provided in the above embodiment, when implementing its functions, is only illustrated by the division of the above functional modules. In actual applications, the above functions can be assigned to different functional modules as needed, that is, the internal structure of the device is divided into different functional modules to complete all or part of the functions described above. In addition, the device and method embodiments provided in the above embodiment belong to the same concept, and the specific implementation process is detailed in the method embodiment, which will not be repeated here.

[0223] Figure 4 A block diagram of an information receiving device provided by an exemplary embodiment of the present application is shown. Figure 4 , the device comprises:

[0224] The receiving module 401 is used to receive channel state information sent by the terminal, where the channel state information includes time domain parameters and / or Doppler domain parameters;

[0225] In some embodiments, the Doppler domain parameter includes at least one of the following:

[0226] Doppler shift;

[0227] Shift coefficient for Doppler shift;

[0228] Doppler expansion;

[0229] The first expansion factor for Doppler deviation expansion.

[0230] In some embodiments, the time domain parameter includes at least one of the following:

[0231] Doppler delay;

[0232] The first delay coefficient for Doppler delay;

[0233] Average delay;

[0234] A second delay coefficient for the average delay;

[0235] Delay spread;

[0236] A second spreading factor for delay spread.

[0237] In some embodiments, the channel state information is carried in the PMI.

[0238] In some embodiments, the receiving module 401 is used to receive first information sent by the terminal, where the first information includes at least one of CRI, RI, CQI and LI.

[0239] In some embodiments, the channel state information exists independently from the PMI.

[0240] In some embodiments, the receiving module 401 is used to receive second information sent by the terminal, where the second information includes at least one of CRI, PMI, RI, CQI and LI.

[0241] In some embodiments, the receiving module 401 is used to receive channel state information corresponding to each beam in multiple beams sent by the terminal.

[0242] In some embodiments, the receiving module 401 is configured to:

[0243] receiving broadband-based channel state information sent by a terminal; or,

[0244] The receiving terminal sends narrowband channel state information.

[0245] In some embodiments, the frequency domain unit corresponding to the channel state information is the same as the frequency domain unit corresponding to the narrowband phase and / or amplitude; or,

[0246] The frequency domain unit corresponding to the channel state information is different from the frequency domain unit corresponding to the narrowband phase and / or amplitude.

[0247] In some embodiments, the receiving module 401 is further configured to:

[0248] After the terminal sends the first information to the network device, and if a preset condition is met, the channel state information sent by the terminal is received.

[0249] In some embodiments, the receiving module 401 is further configured to receive channel state information sent by the terminal after the terminal sends the second information to the network device and when a preset condition is met.

[0250] In some embodiments, the preset condition includes at least one of the following:

[0251] At least one of CRI and RI remains unchanged;

[0252] The time to send at least one of CRI, PMI, RI, CQI and LI has not yet arrived.

[0253] In some embodiments, the channel state information further includes at least one of the following items corresponding to the time domain parameters: a CSI-RS identifier, a CSI-RS resource set identifier, and a transmission sequence number corresponding to the CSI-RS.

[0254] In some embodiments, the channel state information further includes at least one of the following items corresponding to the Doppler domain parameter: a CSI-RS identifier, a CSI-RS resource set identifier, and a transmission sequence number corresponding to the CSI-RS.

[0255] It should be noted that the device provided in the above embodiment, when implementing its functions, is only illustrated by the division of the above functional modules. In actual applications, the above functions can be assigned to different functional modules as needed, that is, the internal structure of the device is divided into different functional modules to complete all or part of the functions described above. In addition, the device and method embodiments provided in the above embodiment belong to the same concept, and the specific implementation process is detailed in the method embodiment, which will not be repeated here.

[0256] Figure 5 A schematic diagram of the structure of a communication device provided by an exemplary embodiment of the present application is shown. The communication device includes: a processor 501, a receiver 502, a transmitter 503, a memory 504 and a bus 505.

[0257] The processor 501 includes one or more processing cores. The processor 501 executes various functional applications and information processing by running software programs and modules.

[0258] The receiver 502 and the transmitter 503 may be implemented as a communication component, which may be a communication chip.

[0259] The memory 504 is connected to the processor 501 via a bus 505 .

[0260] The memory 504 may be used to store at least one program code, and the processor 501 may be used to execute the at least one program code to implement each step in the above method embodiment.

[0261] In addition, the communication device may be a terminal or a network device. The memory 504 may be implemented by any type of volatile or non-volatile storage device or a combination thereof, and the volatile or non-volatile storage device includes but is not limited to: a magnetic disk 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).

[0262] In an exemplary embodiment, a computer-readable storage medium is further provided, wherein an executable program code is stored in the computer-readable storage medium, and the executable program code is loaded and executed by a processor to implement the information reporting method performed by the communication device provided by each of the above method embodiments.

[0263] In an exemplary embodiment, a chip is provided, which includes a programmable logic circuit and / or program instructions. When the chip runs on a terminal or a network device, it is used to implement the information reporting method provided in each method embodiment.

[0264] In an exemplary embodiment, a computer program product is provided. When the computer program product is executed by a processor of a terminal or a network device, it is used to implement the information reporting method provided by each of the above method embodiments.

[0265] A person skilled in the art will understand that all or part of the steps to implement the above embodiments may be accomplished by hardware or by instructing related hardware through a program, and the program may be stored in a computer-readable storage medium, and the above-mentioned storage medium may be a read-only memory, a disk or an optical disk, etc.

[0266] The above description is only an optional embodiment of the present application and is not intended to limit the present application. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. An information reporting method, characterized in that: The method is executed by a terminal, and includes: Sending channel state information to a network device, wherein the channel state information includes time domain parameters and / or Doppler domain parameters; The channel state information and the precoding matrix indication PMI exist independently, and the method further includes: Sending second information to the network device, the second information including at least one of a channel state information reference signal resource indication CRI, the PMI, a rank indication RI, a channel quality indication CQI and a layer indication LI, the second information being different from the channel state information.

2. The method according to claim 1, characterized in that The Doppler domain parameter includes at least one of the following: Doppler shift; a shift coefficient for the Doppler shift; Doppler expansion; A first expansion factor for the Doppler expansion.

3. The method according to claim 1, characterized in that The time domain parameters include at least one of the following: Doppler delay; a first delay coefficient for the Doppler delay; Average delay; a second delay coefficient for the average delay; Delay spread; A second spreading factor for the delay spread.

4. The method according to claim 1, characterized in that: The sending of channel state information to the network device includes: The channel state information corresponding to each beam in the plurality of beams is sent to the network device.

5. The method according to claim 1, characterized in that The sending of channel state information to the network device includes: Sending the broadband-based channel state information to the network device; or, The narrowband-based channel state information is sent to the network device.

6. The method according to claim 5, characterized in that The frequency domain unit corresponding to the channel state information is the same as the frequency domain unit corresponding to the narrowband phase and / or amplitude; or, The frequency domain unit corresponding to the channel state information is different from the frequency domain unit corresponding to the narrowband phase and / or amplitude.

7. The method according to claim 1, characterized in that The method further comprises: After sending the second information to the network device, and if a preset condition is met, sending the channel state information to the network device.

8. The method according to claim 7, characterized in that The preset condition includes at least one of the following: At least one of the CRI and the RI remains unchanged; The time for sending at least one of the CRI, the PMI, the RI, the CQI and the LI has not yet arrived.

9. The method according to any one of claims 1 to 8, characterized in that: The channel state information also includes at least one of the following items corresponding to the time domain parameter: a channel state information reference signal CSI-RS identifier, a CSI-RS resource set identifier, and a transmission sequence number corresponding to the CSI-RS.

10. The method according to claim 9, characterized in that The channel state information also includes at least one of the following items corresponding to the Doppler domain parameter: a CSI-RS identifier, a CSI-RS resource set identifier, and a transmission sequence number corresponding to the CSI-RS.

11. A method for receiving information, characterized in that: The method is performed by a network device, and the method includes: receiving channel state information sent by a terminal, where the channel state information includes time domain parameters and / or Doppler domain parameters; The channel state information exists independently of the PMI, and the method further includes: Sending second information to the network device, where the second information includes at least one of the CRI, the PMI, the RI, the CQI, and the LI, and the second information is different from the channel state information.

12. The method according to claim 11, characterized in that The Doppler domain parameter includes at least one of the following: Doppler shift; a shift coefficient for the Doppler shift; Doppler expansion; A first expansion coefficient for the Doppler deviation expansion.

13. The method according to claim 11, characterized in that The time domain parameters include at least one of the following: Doppler delay; a first delay coefficient for the Doppler delay; Average delay; a second delay coefficient for the average delay; Delay spread; A second spreading factor for the delay spread.

14. The method according to claim 11, characterized in that The channel state information sent by the receiving terminal includes: The channel state information corresponding to each beam in the multiple beams sent by the terminal is received.

15. The method according to claim 11, characterized in that The channel state information sent by the receiving terminal includes: receiving the broadband-based channel state information sent by the terminal; or, The narrowband-based channel state information sent by the terminal is received.

16. The method according to claim 15, characterized in that The frequency domain unit corresponding to the channel state information is the same as the frequency domain unit corresponding to the narrowband phase and / or amplitude; or, The frequency domain unit corresponding to the channel state information is different from the frequency domain unit corresponding to the narrowband phase and / or amplitude.

17. The method according to claim 11, characterized in that The method further comprises: After the terminal sends the second information to the network device, and if a preset condition is met, the channel state information sent by the terminal is received.

18. The method according to claim 17, characterized in that The preset condition includes at least one of the following: At least one of the CRI and the RI remains unchanged; The time for sending at least one of the CRI, the PMI, the RI, the CQI and the LI has not yet arrived.

19. The method according to any one of claims 11 to 18, characterized in that: The channel state information also includes at least one of the following items corresponding to the time domain parameters: a CSI-RS identifier, a CSI-RS resource set identifier, and a transmission sequence number corresponding to the CSI-RS.

20. The method according to claim 19, characterized in that The channel state information also includes at least one of the following items corresponding to the Doppler domain parameter: a CSI-RS identifier, a CSI-RS resource set identifier, and a transmission sequence number corresponding to the CSI-RS.

21. An information reporting device, characterized in that: The device comprises: A sending module, used to send channel state information to a network device, wherein the channel state information includes time domain parameters and / or Doppler domain parameters; The channel state information exists independently from the PMI; The sending module is further used to send second information to the network device, where the second information includes at least one of CRI, the PMI, RI, CQI and LI, and the second information is different from the channel state information.

22. An information receiving device, characterized in that: The device comprises: A receiving module, configured to receive channel state information sent by a terminal, wherein the channel state information includes time domain parameters and / or Doppler domain parameters; The channel state information exists independently from the PMI; The receiving module is further used to send second information to the network device, where the second information includes at least one of the CRI, the PMI, the RI, the CQI and the LI, and the second information is different from the channel state information.

23. A terminal, characterized in that: The terminal comprises: processor; a transceiver connected to the processor; The processor is configured to load and execute executable instructions to implement the information reporting method as described in any one of claims 1 to 10.

24. A network device, characterized in that: The network equipment includes: processor; a transceiver connected to the processor; The processor is configured to load and execute executable instructions to implement the information receiving method as described in any one of claims 11 to 20.

25. A computer-readable storage medium, wherein an executable program code is stored in the computer-readable storage medium, wherein the executable program code is loaded and executed by a processor to implement the information reporting method as described in any one of claims 1 to 10, or to implement the information receiving method as described in any one of claims 11 to 20.

26. A computer program product, characterized in that When the computer program product is executed by a processor of a terminal or a network device, it is used to implement the information reporting method as described in any one of claims 1 to 10, or to implement the information receiving method as described in any one of claims 11 to 20.

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