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WO2018171562A1 - Procédé et dispositif de transmission d'informations, procédé et dispositif de traitement d'informations, appareil, terminal et support de stockage - Google Patents

Procédé et dispositif de transmission d'informations, procédé et dispositif de traitement d'informations, appareil, terminal et support de stockage Download PDF

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Publication number
WO2018171562A1
WO2018171562A1 PCT/CN2018/079503 CN2018079503W WO2018171562A1 WO 2018171562 A1 WO2018171562 A1 WO 2018171562A1 CN 2018079503 W CN2018079503 W CN 2018079503W WO 2018171562 A1 WO2018171562 A1 WO 2018171562A1
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WIPO (PCT)
Prior art keywords
feedback
channel state
state information
information
parameter
Prior art date
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Ceased
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PCT/CN2018/079503
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English (en)
Chinese (zh)
Inventor
肖华华
吴昊
李儒岳
鲁照华
陈艺戬
蔡剑兴
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ZTE Corp
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ZTE Corp
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Publication of WO2018171562A1 publication Critical patent/WO2018171562A1/fr
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
    • H04B7/0621—Feedback content
    • H04B7/0626—Channel coefficients, e.g. channel state information [CSI]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413—MIMO systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
    • H04B7/0621—Feedback content
    • H04B7/063—Parameters other than those covered in groups H04B7/0623 - H04B7/0634, e.g. channel matrix rank or transmit mode selection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
    • H04B7/0621—Feedback content
    • H04B7/0632—Channel quality parameters, e.g. channel quality indicator [CQI]

Definitions

  • the present invention relates to the field of communications, and in particular to a method and device for transmitting and processing information, a device, a terminal, and a storage medium.
  • the transmitting end and the receiving end generally use multiple antennas to transmit and receive to obtain a higher rate.
  • the data transmission performance of a multi-antenna system mainly depends on the measurement and feedback of channel information. Therefore, the measurement and feedback of channel information is the core content of multi-antenna technology; how to ensure the accuracy of channel measurement and channel information feedback, the rationality and robustness of feedback overhead become an important issue.
  • CSI measurements and feedback were designed in the early Long Term Evolution (LTE) system version, but with higher accuracy requirements, pilots Overhead and feedback overhead and quantization complexity are not expected to increase significantly, so CSI's measurement and feedback techniques are becoming more complex to pursue higher quantization efficiency; and because of the need to target different scenarios (eg indoors, cities) Macro, dense urban, urban micro) and transmission mode (Open Loop multiple-input-multiple-output (OL-MIMO), semi-static MIMO, closed-loop MIMO, joint transmission, etc.), antenna configuration Better adaptability has also introduced a large number of new designs.
  • LTE Long Term Evolution
  • the channel state information CSI mainly includes: Channel Quality Indication (CQI), a Precoding Matrix Indicator (PMI), and a Rank Indicator (RI).
  • CQI Channel Quality Indication
  • PMI Precoding Matrix Indicator
  • RI Rank Indicator
  • WB CQI WideBand CQI
  • SB CQI SubBand CQI
  • the PMI indication has different representations according to the codebook.
  • the codebooks of Release 8 and Release 9 are the codebooks of the Single Stage, and the CSI only needs to feed back a precoding matrix index i; and the 8 antenna codebook and Release in Release 10
  • the 4-antenna codebook of 12 is a codebook of a 1-dimensional Dual Stage, including a first precoding matrix index i1 and a second precoding matrix index i2, and a 2-dimensional Dual Stage codebook is introduced in Release 13,
  • the first precoding matrix index includes a first dimension first precoding matrix index i11 and a second dimension first precoding matrix index i12, and a second precoding matrix index i2; wherein the content of the feedback includes but is not limited to i/i1 /i2/i11/i12.
  • CQI/PMI/RI In addition to CQI/PMI/RI, it also includes CSI-RS Resource Indication (CRI).
  • CCI CSI-RS Resource Indication
  • codebook there are also two CSI feedback categories:
  • CSI feedback class I which mainly means that the codebook corresponding to the precoding matrix index included in the CSI is a traditional codebook, such as the codebook before Release 13 in LTE, and the content of the feedback includes but is not limited to i. /i1/i2/i11/i12
  • CSI feedback type II which mainly means that the codewords in the codebook set included in the CSI are codewords other than the CSI feedback type I, such as linearly combined codewords, and each of the codewords is usually It is a linear combination of multiple beams. Or a channel correlation matrix, a eigenvector corresponding to the channel correlation matrix. Or mixed CSI feedback.
  • the channel state information parameter of the CSI feedback class I includes at least one of the following precoding matrix indexes: a precoding matrix index i; a first precoding matrix index i1 and a second precoding matrix index i2; a first dimension first precoding a matrix index i11 and a second dimension first precoding matrix index i12;
  • the channel state information parameter of the CSI feedback class II includes at least one of the following information: beam index information, a bias of the beam index (the offset here is relative to the first group of beam index information), and the beam is linearly combined. Amplitude information, phase information of beam linear combination, power information of beam linear combination; beam number information of beam linear combination; offset information of beam linear combination amplitude, phase offset information of beam linear combination; channel correlation matrix information; Eigenvalue information of the channel correlation matrix; eigenvector information of the channel correlation matrix.
  • the periodic feedback is mainly that the base station configures one period and the offset, and the terminal performs feedback according to the period and the offset corresponding to the base station.
  • the base station can configure the terminal to measure and quantize the channel information, and perform uplink control.
  • the Physical Uplink Control Channel (PUCCH) periodically feeds back the quantized CSI information.
  • the base station may also aperiodically trigger the terminal to perform CSI information, including RI/PMI/CQI, where the CQI includes the reporting of the WB CQI and the SB CQI.
  • Class A There are two types of channel information measurement and feedback: Class A and Class B. Both categories use RRC signaling for semi-static configuration.
  • Class A The base station sends a CSI-RS, which is generally a non-precoded pilot.
  • the user directly performs channel measurement and CSI quantization based on the CSI-RS pilot to obtain RI/PMI/CQI.
  • the content is fed back on the PUCCH or PUSCH, and the feedback content is more, including the beam direction of the broadband.
  • Class B The CSI-RS transmitted by the base station is generally a pre-coded pilot.
  • the user may need to select the pre-coded pilot first, and then perform quantitative feedback on the channel information based on the selected CSI-RS pilot, including CSI-RS.
  • the feedback content of the CSI is related to many factors, different MIMO modes (Open Loop/Semi Open Loop/CL MIMO), CSI-RS category (Class A/Class B/Hybrid CSI), antenna configuration, codebook configuration. (Single Dual Codebook, Dual Codebook), the time domain characteristics of CSI feedback (periodic feedback/aperiodic feedback/semi-persistent feedback) all affect the number of parameters and parameter content contained in the CSI feedback. The traditional LTE approach is for these different contents.
  • CSI parameters respectively, define corresponding CSI feedback modes (such as periodic feedback mode Mode 1-0, Mode 1-1, aperiodic feedback mode: Mode 1-2, Mode 2-0, Mode 2-2, Mode 3-0, Mode) 3-1, Mode 3-2) and define the feedback content on these feedback modes.
  • periodic feedback mode Mode 1-0, Mode 1-1, aperiodic feedback mode: Mode 1-2, Mode 2-0, Mode 2-2, Mode 3-0, Mode 3-1, Mode 3-2
  • the embodiment of the invention provides a method for sending and processing information, a device, a device, a terminal and a storage medium, so as to at least solve the problem that the feedback content of the CSI in the related art is not flexible.
  • an information sending method including: determining channel state information parameter set indication information; wherein the channel state information parameter set indication information is used to indicate each channel state information in a channel state information parameter set.
  • the feedback state and/or the feedback mode of the parameter; the channel state information parameter set indication information is sent to the terminal.
  • the feedback state includes: the channel state information parameter needs to be fed back or the channel state information parameter does not need to be fed back; the feedback manner includes: a frequency domain feedback manner of the channel state information parameter and/or a time domain feedback manner.
  • the frequency domain feedback manner includes at least one of the following: wideband channel state information feedback, subband channel state information feedback, and partial bandwidth channel state information feedback; and the time domain feedback manner includes at least one of the following: periodic feedback, non Periodic feedback, semi-continuous feedback.
  • the frequency domain feedback mode is determined by a time domain feedback mode.
  • the frequency domain feedback mode is determined by the time domain feedback manner, where the frequency domain feedback mode includes broadband channel state information feedback or partial bandwidth channel state information, where the time domain feedback mode includes periodic feedback or semi-persistent feedback. Feedback.
  • the frequency domain feedback mode and the time domain feedback mode are independent of each other.
  • the channel state information parameter set indication information includes a first specified parameter, wherein when the first specified parameter is the first specified value, the feedback state is that the channel state information parameter needs to be fed back; At the second specified value, the feedback state is that the channel state information parameter does not need to be fed back.
  • the channel state information parameter set indication information is represented by a bitmap.
  • the bitmap includes: a first bitmap, wherein the first bitmap includes: first information and a second specified parameter; wherein the second specified parameter is used to indicate whether the first information needs to be fed back;
  • the first information includes: each channel state information parameter in the channel state information parameter set.
  • the frequency domain feedback mode of each channel state information parameter is determined by the frequency domain property of the channel state information parameter or determined by the base station itself; the frequency domain property of the channel state information parameter includes at least one of the following: subband property, Broadband nature, part of the bandwidth nature.
  • the first bitmap further includes: second information, where the second specified parameter is used to indicate whether the first information is fed back by using the second information; and the second information includes a frequency domain feedback manner of at least one of the following : Wideband channel state information feedback, N subband channel state information feedback, M partial wideband channel state information feedback, where N and M are positive integers.
  • the second specified parameter when the second specified parameter is the third specified value, the second specified parameter is used to indicate that the first information needs to be fed back by using the second information; when the second specified parameter is the fourth specified value, the second The specified parameter is used to indicate that the first information is not fed back using the second information.
  • the second information includes N subband channel state information feedback
  • the first bitmap indicates that the specified channel state information parameter in the channel state information parameter set is the third in the continuous L0 subband channel state information feedback.
  • the L subbands corresponding to each L subband channel state information feedback are aggregated into one partial bandwidth; wherein L0 is less than or equal to N, L is less than or equal to L0, and L0, L, and N are integers greater than 1.
  • the L0 subbands corresponding to the L0 subband channel state information feedback are aggregated into Part of the bandwidth, of which The partial bandwidth is aggregated by L subbands, and one part of the bandwidth is a subband with a polymer, of which Round up the function.
  • the i-th partial bandwidth in the M partial sub-bands corresponding to the M partial bandwidth channel state information feedback includes Ki sub-bands.
  • the bitmap further includes: a second bitmap; wherein the second bitmap includes: third information, fourth information, and a third designated parameter; and the third designated parameter is used to indicate whether the third information needs to be
  • the fourth information is used for feedback; wherein the third information is a subset of the first information, and the fourth information is one or more sub-bands included in the partial bandwidth corresponding to the specified portion of the bandwidth information of the second information; or The subset of the four pieces of information includes one or more sub-bands included in the portion of the bandwidth corresponding to the specified portion of the second information.
  • the M partial bandwidths constitute the entire system bandwidth, and the M partial bandwidths include sub-band portions that are identical or completely different.
  • Ki is determined by one of the following methods: determining according to the terminal capability; determining according to the size of the system bandwidth; determining according to the bandwidth size J1 of the channel state information reference signal, wherein Ki is less than or equal to J1; The bandwidth size J2 of the signal is determined, where Ki is less than or equal to J2; it is determined in consultation with the terminal.
  • the subband corresponding to the K subband channel state information feedback includes: one or more subband channel states in the partial bandwidth channel state information feedback The sub-band corresponding to the information feedback; wherein K is an integer greater than or equal to 1.
  • the bitmap includes: a third bitmap, where the third bitmap includes: fifth information, sixth information, and fourth designated parameter, where the fourth designated parameter is used to indicate whether the fifth information is needed.
  • the feedback is performed according to the sixth information, where the fifth information includes: each channel state information parameter in the channel state information parameter set; the sixth information includes at least one of the following: periodic feedback, aperiodic feedback, and semi-persistent feedback.
  • the channel state information parameter set includes at least one of channel state information parameters: channel rank or channel rank set; channel state information CSI feedback class I channel state information parameter; CSI feedback class II channel state information Parameter; channel state information resource index indicates CRI or CRI set; wideband CQI, subband CQI or subband CQI set, partial subband CQI; transmit beam index or transmit beam index set; receive beam index or receive beam index set; beam pair Index or beam pair index set; subband index or subband index set.
  • channel state information parameters include channel rank or channel rank set; channel state information CSI feedback class I channel state information parameter; CSI feedback class II channel state information Parameter; channel state information resource index indicates CRI or CRI set; wideband CQI, subband CQI or subband CQI set, partial subband CQI; transmit beam index or transmit beam index set; receive beam index or receive beam index set; beam pair Index or beam pair index set; subband index or subband index set.
  • an information processing method including: receiving channel state information parameter set indication information; wherein the channel state information parameter set indication information is used to indicate each channel state in the channel state information parameter set. Feedback status and/or feedback mode of information parameters;
  • the feedback state includes: the channel state information parameter needs to be fed back or the channel state information parameter does not need to be fed back; the feedback manner includes: a frequency domain feedback manner of the channel state information parameter and/or a time domain feedback manner.
  • the frequency domain feedback manner includes at least one of the following: wideband channel state information feedback, subband channel state information feedback, and partial bandwidth channel state information feedback; and the time domain feedback manner includes at least one of the following: periodic feedback, non Periodic feedback, semi-continuous feedback.
  • the frequency domain feedback mode is determined by a time domain feedback mode.
  • the frequency domain feedback mode is determined by the time domain feedback mode, where the frequency domain feedback mode includes the broadband channel state information feedback or the partial bandwidth channel state, where the time domain feedback mode includes periodic feedback or semi-persistent feedback. information feedback.
  • the frequency domain feedback mode and the time domain feedback mode are independent of each other.
  • the channel state information parameter set indication information includes a first specified parameter, wherein when the first specified parameter is the first specified value, the feedback state is that the channel state information parameter needs to be fed back; At the second specified value, the feedback state is that the channel state information parameter does not need to be fed back.
  • the channel state information parameter set indication information is represented by a bitmap.
  • the bitmap includes: a first bitmap, wherein the first bitmap includes: first information and a second specified parameter; wherein the second specified parameter is used to indicate whether the first information needs to be fed back;
  • the first information includes: each channel state information parameter in the channel state information parameter set.
  • the frequency domain feedback mode of each channel state information parameter is determined by the frequency domain property of the channel state information parameter or determined by the base station itself; the frequency domain property of the channel state information parameter includes at least one of the following: subband property, Broadband nature, part of the bandwidth nature.
  • the first bitmap further includes: second information, where the second specified parameter is used to indicate whether the first information is fed back by using the second information; and the second information includes a frequency domain feedback manner of at least one of the following : Wideband channel state information feedback, N subband channel state information feedback, M partial wideband channel state information feedback, where N and M are positive integers.
  • the second specified parameter when the second specified parameter is the third specified value, the second specified parameter is used to indicate that the first information needs to be fed back by using the second information; when the second specified parameter is the fourth specified value, the second The specified parameter is used to indicate that the first information is not fed back using the second information.
  • the second information includes N subband channel state information feedback
  • the first bitmap indicates that the specified channel state information parameter in the channel state information parameter set is the third in the continuous L0 subband channel state information feedback.
  • the L subbands corresponding to each L subband channel state information feedback are aggregated into one partial bandwidth; wherein L0 is less than or equal to N, L is less than or equal to L0, and L0, L, and N are integers greater than 1.
  • the L0 subbands corresponding to the L0 subband channel state information feedback are aggregated into Part of the bandwidth, of which The partial bandwidth is aggregated by L subbands, and one part of the bandwidth is a subband with a polymer, of which Round up the function.
  • the i-th partial bandwidth in the M partial sub-bands corresponding to the M partial bandwidth channel state information feedback includes Ki sub-bands.
  • the bitmap further includes: a second bitmap; wherein the second bitmap includes: third information, fourth information, and a third designated parameter; and the third designated parameter is used to indicate whether the third information needs to be
  • the fourth information is used for feedback; wherein the third information is a subset of the first information, and the fourth information is one or more sub-bands included in the partial bandwidth corresponding to the specified portion of the bandwidth information of the second information; or The subset of the four pieces of information includes one or more sub-bands included in the portion of the bandwidth corresponding to the specified portion of the second information.
  • the M partial bandwidths constitute the entire system bandwidth, and the M partial bandwidths include sub-band portions that are identical or completely different.
  • Ki is determined by one of the following methods: determined by the terminal capability; determined by the size of the system bandwidth; determined by the bandwidth size J1 of the channel state information reference signal, wherein Ki is less than or equal to J1; The bandwidth size J2 of the signal is determined, where Ki is less than or equal to J2; determined by the terminal in consultation with the network side device.
  • the subbands corresponding to the K subband channel state information feedbacks include: one or more subband channel state information feedbacks corresponding to the partial bandwidth channel state information feedback Subband; where K is an integer greater than or equal to one.
  • the bitmap includes: a third bitmap; wherein the third bitmap includes: fifth information, sixth information, fourth specified parameter, wherein the fourth designated parameter is used to indicate the fifth information Whether the feedback needs to be performed according to the sixth information, where the fifth information includes: each channel state information parameter in the channel state information parameter set; the sixth information includes: a time domain feedback mode; wherein the time domain feedback mode includes at least one of the following : periodic feedback, aperiodic feedback, semi-continuous feedback.
  • the channel state information parameter set includes at least one of channel state information parameters: channel rank or channel rank set; channel state information CSI feedback class I channel state information parameter; CSI feedback class II channel state information Parameter; channel state information resource index indicates CRI or CRI set; wideband CQI, subband CQI or subband CQI set, partial subband CQI; transmit beam index or transmit beam index set; receive beam index or receive beam index set; beam pair Index or beam pair index set; subband index or subband index set.
  • channel state information parameters include channel rank or channel rank set; channel state information CSI feedback class I channel state information parameter; CSI feedback class II channel state information Parameter; channel state information resource index indicates CRI or CRI set; wideband CQI, subband CQI or subband CQI set, partial subband CQI; transmit beam index or transmit beam index set; receive beam index or receive beam index set; beam pair Index or beam pair index set; subband index or subband index set.
  • an information transmitting apparatus comprising: a determining module configured to determine channel state information parameter set indication information; wherein the channel state information parameter set indication information is used to indicate a channel state information parameter set a feedback state and/or a feedback mode of each channel state information parameter; and a sending module configured to send channel state information parameter set indication information.
  • the feedback state includes: the channel state information parameter needs to be fed back or the channel state information parameter does not need to be fed back; the feedback manner includes: a frequency domain feedback manner of the channel state information parameter and/or a time domain feedback manner.
  • the frequency domain feedback manner includes at least one of the following: wideband channel state information feedback, subband channel state information feedback, and partial bandwidth channel state information feedback; and the time domain feedback manner includes at least one of the following: periodic feedback, non Periodic feedback, semi-continuous feedback.
  • an information processing apparatus including: a receiving module, configured to receive channel state information parameter set indication information; wherein the channel state information parameter set indication information is used to indicate a channel state information parameter set a feedback state and/or a feedback mode of each channel state information parameter; the determining module is configured to determine a channel state information parameter that needs to be fed back in the channel state information parameter set according to the channel state information parameter set indication information; and the feedback module is configured as feedback Channel state information parameters that require feedback.
  • the feedback state includes: the channel state information parameter needs to be fed back or the channel state information parameter does not need to be fed back; the feedback manner includes: a frequency domain feedback manner of the channel state information parameter and/or a time domain feedback manner.
  • the frequency domain feedback manner includes at least one of the following: wideband channel state information feedback, subband channel state information feedback, and partial bandwidth channel state information feedback; and the time domain feedback manner includes at least one of the following: periodic feedback, non Periodic feedback, semi-continuous feedback.
  • a network side device comprising: a processor and a memory for storing a computer program executable on the processor; wherein the processor is configured to run the computer program The steps of the information sending method in the embodiment of the present invention are performed.
  • the feedback state includes: the channel state information parameter needs to be fed back or the channel state information parameter does not need to be fed back; the feedback manner includes: a frequency domain feedback manner of the channel state information parameter and/or a time domain feedback manner.
  • the frequency domain feedback manner includes at least one of the following: wideband channel state information feedback, subband channel state information feedback, and partial bandwidth channel state information feedback; and the time domain feedback manner includes at least one of the following: periodic feedback, non Periodic feedback, semi-continuous feedback.
  • a terminal comprising: a processor and a memory for storing a computer program executable on the processor; wherein the processor is configured to execute when the computer program is executed The steps of the information processing method in the embodiment of the present invention.
  • the feedback state includes: the channel state information parameter needs to be fed back or the channel state information parameter does not need to be fed back; the feedback manner includes: a frequency domain feedback manner of the channel state information parameter and/or a time domain feedback manner.
  • the frequency domain feedback manner includes at least one of the following: wideband channel state information feedback, subband channel state information feedback, and partial bandwidth channel state information feedback; and the time domain feedback manner includes at least one of the following: periodic feedback, non Periodic feedback, semi-continuous feedback.
  • a storage medium comprising a stored program, wherein the program execution method performs the information transmitting method according to any one of the above.
  • a storage medium comprising a stored program, wherein the information processing method according to any one of the above items is executed while the program is running.
  • a processor configured to execute a program, wherein the program is executed to perform the information transmitting method according to any one of the above.
  • a processor configured to execute a program, wherein the program is executed to perform the information transmitting method according to any one of the above.
  • the channel state information parameter set indication information may be used to indicate the feedback state and/or the feedback mode of each channel state information parameter in the channel state information parameter set, so that the terminal may indicate according to the channel state information parameter set.
  • the feedback of the information about the channel state information is compared with the feedback content of the CSI in the prior art, and the transmission mode or the codebook version is no longer required to be dependent on the transmission mode or the codebook version, thereby making the CSI feedback content more flexible. Therefore, the problem that the feedback content of the CSI in the related art is inflexible can be solved, and the feedback requirement of the 5G or future unlimited communication technology can be adapted.
  • FIG. 1 is a schematic flowchart of an information sending method according to an embodiment of the present invention.
  • FIG. 2 is a block diagram showing the hardware structure of a mobile terminal according to an information processing method according to an embodiment of the present invention
  • FIG. 3 is a flowchart of an information processing method according to an embodiment of the present invention.
  • FIG. 4 is a block diagram showing the structure of an information transmitting apparatus according to an embodiment of the present invention.
  • FIG. 5 is a block diagram showing the structure of an information processing apparatus according to an embodiment of the present invention.
  • FIG. 6 is a structural block diagram of a network side device according to an embodiment of the present invention.
  • FIG. 7 is a structural block diagram of a terminal according to an embodiment of the present invention.
  • FIG. 1 is a schematic flowchart of a method for sending information according to an embodiment of the present invention. As shown in FIG. 1, the method includes:
  • Step S102 determining channel state information parameter set indication information, where the channel state information parameter set indication information is used to indicate a feedback state and/or a feedback mode of each channel state information parameter in the channel state information parameter set;
  • Step S104 Send channel state information parameter set indication information.
  • the channel state information parameter set indication information may be used to indicate the feedback state and/or the feedback mode of each channel state information parameter in the channel state information parameter set, so that the terminal may perform the channel state information parameter set indication information according to the channel state information parameter set indication information.
  • the feedback of the channel state information parameter is no longer dependent on the transmission mode or the codebook version, and thus the CSI feedback content is more flexible than the feedback content of the CSI in the prior art, and the transmission mode or the codebook version binding. It can solve the problem that the feedback content of CSI in the related technology is not flexible, and can adapt to the feedback requirement of 5G or future unlimited communication technology.
  • the foregoing feedback state may include: the channel state information parameter needs to be fed back or the channel state information parameter does not need to be fed back; the feedback manner includes: a frequency domain feedback manner of the channel state information parameter and/or a time domain feedback manner.
  • the foregoing frequency domain feedback manner may include at least one of the following: wideband channel state information feedback, subband channel state information feedback, and partial bandwidth channel state information feedback; and the time domain feedback manner may include at least one of the following: periodic feedback , aperiodic feedback, semi-continuous feedback.
  • the frequency domain feedback mode is determined by the time domain feedback manner.
  • the frequency domain feedback mode when the time domain feedback mode includes periodic feedback or semi-persistent feedback, the frequency domain feedback mode includes a wideband channel. Status information feedback or partial bandwidth channel status information feedback.
  • frequency domain feedback mode and the time domain feedback mode may also be independent of each other.
  • the channel state information parameter set indication information may include a first specified parameter, wherein when the first specified parameter is the first specified value, the feedback state is that the channel state information parameter needs to be fed back; When the first designated parameter is the second specified value, the feedback state is that the channel state information parameter does not need to be fed back.
  • first specified value may be 1, and the second specified value may be 0, but is not limited thereto.
  • first specified value may be 0, and the second specified value may be 1, or may be first.
  • the specified value and the second specified value are values other than 0, 1.
  • channel state information parameter set indication information is represented by a bitmap.
  • the bitmap includes: a first bitmap, where the first bitmap includes: first information and a second specified parameter; wherein the second specified parameter is used to indicate whether the first information is The information needs to be fed back; wherein the first information includes: each channel state information parameter in the channel state information parameter set.
  • the table 12 can be regarded as a bitmap, and the first information may be CSI parameter 1, CSI parameter 2, ..., CSI parameter C, and the second specified parameter may be Is 0 or 1 in Table 12.
  • the frequency domain feedback mode of each channel state information parameter is determined by the frequency domain property of the channel state information parameter or determined by the base station itself; the frequency domain property of the channel state information parameter may include at least one of the following: subband nature, Broadband nature, part of the bandwidth nature.
  • first bitmap may further include: second information, where the second specified parameter is used to indicate whether the first information uses the second information for feedback; and the second information includes frequency domain feedback of at least one of the following: Mode: wideband channel state information feedback, N subband channel state information feedback, M partial broadband channel state information feedback, where N and M are positive integers.
  • bitmap may be expressed as Tables 2 to 8 in the following preferred embodiment 1, or may be the following Table 9 of the preferred embodiment 2, but is not limited thereto.
  • the second specified parameter when the second specified parameter is the third specified value, the second specified parameter is used to indicate that the first information needs to be fed back by using the second information; when the second specified parameter is the fourth specified value, the second specified The parameter is used to indicate that the first information does not use the second information for feedback.
  • the third specified value may be 1, and the fourth specified value may be 0, but is not limited thereto.
  • the third specified value may be 0, and the fourth specified value may be 1. It is also possible that the third specified value and the fourth specified value are values other than 0, 1.
  • the second information includes N subband channel state information feedback
  • the first bitmap indicates that the specified channel state information parameter in the channel state information parameter set is the third designation on the continuous L0 subband channel state information feedback.
  • the L subbands corresponding to each L subband channel state information feedback are aggregated into one partial bandwidth; wherein L0 is less than or equal to N, L is less than or equal to L0, and L0, L, and N are all integers greater than 1.
  • L0 is not an integer multiple of L
  • the L0 subbands corresponding to the L0 subband channel state information feedback are aggregated into Part of the bandwidth, of which The partial bandwidth is aggregated by L subbands, and one part of the bandwidth is a subband with a polymer, of which Round up the function.
  • bitmap further includes: a second bitmap; wherein the second bitmap includes: third information, fourth information, and a third specified parameter; and the third designated parameter is used to indicate whether the third information needs to be
  • the fourth information is used for feedback; wherein the third information is a subset of the first information, and the fourth information is one or more sub-bands included in the partial bandwidth corresponding to the specified portion of the bandwidth information of the second information; or The subset of the four pieces of information includes one or more sub-bands included in the portion of the bandwidth corresponding to the specified portion of the second information.
  • the M partial bandwidths constitute the entire system bandwidth, and the M partial bandwidths include sub-band portions that are the same or completely different.
  • Ki is determined by one of the following methods: determining according to the terminal capability; determining according to the size of the system bandwidth; determining according to the bandwidth size J1 of the channel state information reference signal, where Ki is less than or equal to J1; according to the sounding reference signal
  • the bandwidth size J2 is determined, where Ki is less than or equal to J2; it is determined in consultation with the terminal.
  • the subband corresponding to the K subband channel state information feedback includes: one or more subband channel state information in the partial bandwidth channel state information feedback.
  • the corresponding sub-band is fed back; wherein K is an integer greater than or equal to 1.
  • the bitmap may include: a third bitmap, where the third bitmap includes: fifth information, sixth information, and fourth designated parameter, where the fourth designated parameter is used to indicate Whether the fifth information needs to be fed back according to the sixth information, where the fifth information includes: each channel state information parameter in the channel state information parameter set; the sixth information includes at least one of the following: periodic feedback, aperiodic feedback, semi-persistent Feedback.
  • the channel state information parameter set includes at least one of the following channel state information parameters: channel rank or channel rank set; channel state information CSI feedback class I channel state information parameter; CSI feedback class II channel state information parameter ; channel state information resource index indicates CRI or CRI set; wideband CQI, subband CQI or subband CQI set, partial subband CQI; transmit beam index or transmit beam index set; receive beam index or receive beam index set; beam pair index Or beam pair index set; subband index or subband index set.
  • channel state information parameters include channel rank or channel rank set; channel state information CSI feedback class I channel state information parameter; CSI feedback class II channel state information parameter ; channel state information resource index indicates CRI or CRI set; wideband CQI, subband CQI or subband CQI set, partial subband CQI; transmit beam index or transmit beam index set; receive beam index or receive beam index set; beam pair index Or beam pair index set; subband index or subband index set.
  • the channel state information parameter set is determined by one of the following methods: determined according to the terminal capability, determined by the transmission mode.
  • execution body of the foregoing steps may be a network side device, such as a base station, etc., but is not limited thereto.
  • FIG. 2 is a hardware structural block diagram of a mobile terminal of an information processing method according to an embodiment of the present invention.
  • the mobile terminal 20 may include one or more (only one shown) processor 202 (the processor 202 may include, but is not limited to, a processing device such as a microprocessor MCU or a programmable logic device FPGA).
  • FIG. 2 is merely illustrative and does not limit the structure of the above electronic device.
  • the mobile terminal 20 may also include more or fewer components than those shown in FIG. 2, or have a different configuration than that shown in FIG. 2.
  • the memory 204 can be used to store software programs and modules of application software, such as program instructions/modules corresponding to the information processing method in the embodiment of the present invention, and the processor 202 executes various programs by running software programs and modules stored in the memory 204. Functional application and data processing, that is, the above method is implemented.
  • Memory 204 can include high speed random access memory and can also include non-volatile memory, such as one or more magnetic storage devices, flash memory, or other non-volatile solid state memory.
  • memory 204 can further include memory remotely located relative to processor 202, which can be connected to mobile terminal 20 over a network. Examples of such networks include, but are not limited to, the Internet, intranets, local area networks, mobile communication networks, and combinations thereof.
  • Transmission device 206 is for receiving or transmitting data via a network.
  • the above specific network example may include a wireless network provided by a communication provider of the mobile terminal 20.
  • transmission device 206 includes a Network Interface Controller (NIC) that can be connected to other network devices through a base station to communicate with the Internet.
  • NIC Network Interface Controller
  • the transmission device 206 can be a Radio Frequency (RF) module for communicating with the Internet wirelessly.
  • RF Radio Frequency
  • FIG. 3 is a flowchart of an information processing method according to an embodiment of the present invention. As shown in FIG. 3, the process includes the following steps:
  • Step S302 Receive channel state information parameter set indication information, where the channel state information parameter set indication information is used to indicate a feedback state and/or a feedback mode of each channel state information parameter in the channel state information parameter set;
  • Step S304 determining channel state information parameters that need to be fed back in the channel state information parameter set according to the channel state information parameter set indication information;
  • Step S306 feeding back channel state information parameters that need to be fed back.
  • the channel state information parameter set indication information may be used to indicate the feedback state and/or the feedback mode of each channel state information parameter in the channel state information parameter set, so that the terminal may perform the channel state information parameter set indication information according to the channel state information parameter set indication information.
  • the feedback of the channel state information parameter is no longer dependent on the transmission mode or the codebook version, and thus the CSI feedback content is more flexible than the feedback content of the CSI in the prior art, and the transmission mode or the codebook version binding. It can solve the problem that the feedback content of CSI in the related technology is not flexible, and can adapt to the feedback requirement of 5G or future unlimited communication technology.
  • the foregoing feedback state may include: the channel state information parameter needs to be fed back or the channel state information parameter does not need to be fed back; the feedback manner includes: a frequency domain feedback manner of the channel state information parameter and/or a time domain feedback manner.
  • the foregoing frequency domain feedback manner may include at least one of the following: wideband channel state information feedback, subband channel state information feedback, and partial bandwidth channel state information feedback; and the time domain feedback manner may include at least one of the following: periodic feedback , aperiodic feedback, semi-continuous feedback.
  • the frequency domain feedback mode is determined by the time domain feedback mode.
  • the frequency domain feedback mode when the time domain feedback mode includes periodic feedback or semi-persistent feedback, the frequency domain feedback mode includes broadband Channel state information feedback or partial bandwidth channel state information feedback.
  • frequency domain feedback mode and the time domain feedback mode may also be independent of each other.
  • the channel state information parameter set indication information may include a first specified parameter, wherein when the first specified parameter is the first specified value, the feedback state is that the channel state information parameter needs to be fed back; When the first designated parameter is the second specified value, the feedback state is that the channel state information parameter does not need to be fed back.
  • first specified value may be 1, and the second specified value may be 0, but is not limited thereto.
  • first specified value may be 0, and the second specified value may be 1, or may be first.
  • the specified value and the second specified value are values other than 0, 1.
  • channel state information parameter set indication information is represented by a bitmap.
  • the bitmap includes: a first bitmap, where the first bitmap includes: first information and a second specified parameter; wherein the second specified parameter is used to indicate whether the first information is The information needs to be fed back; wherein the first information includes: each channel state information parameter in the channel state information parameter set.
  • the table 12 can be regarded as a bitmap, and the first information may be CSI parameter 1, CSI parameter 2, ..., CSI parameter C, and the second specified parameter may be Is 0 or 1 in Table 12.
  • the frequency domain feedback mode of each channel state information parameter is determined by the frequency domain property of the channel state information parameter or determined by the base station itself; the frequency domain property of the channel state information parameter may include at least one of the following: subband nature, Broadband nature, part of the bandwidth nature.
  • first bitmap may further include: second information, where the second specified parameter is used to indicate whether the first information uses the second information for feedback; and the second information includes frequency domain feedback of at least one of the following: Mode: wideband channel state information feedback, N subband channel state information feedback, M partial broadband channel state information feedback, where N and M are positive integers.
  • bitmap may be expressed as Tables 2 to 8 in the following preferred embodiment 1, or may be the following Table 9 of the preferred embodiment 2, but is not limited thereto.
  • the second specified parameter when the second specified parameter is the third specified value, the second specified parameter is used to indicate that the first information needs to be fed back by using the second information; when the second specified parameter is the fourth specified value, the second specified The parameter is used to indicate that the first information does not use the second information for feedback.
  • the third specified value may be 1, and the fourth specified value may be 0, but is not limited thereto.
  • the third specified value may be 0, and the fourth specified value may be 1. It is also possible that the third specified value and the fourth specified value are values other than 0, 1.
  • the second information includes N subband channel state information feedback
  • the first bitmap indicates that the specified channel state information parameter in the channel state information parameter set is the third designation on the continuous L0 subband channel state information feedback.
  • the L subbands corresponding to each L subband channel state information feedback are aggregated into one partial bandwidth; wherein L0 is less than or equal to N, L is less than or equal to L0, and L0, L, and N are all integers greater than 1.
  • L0 is not an integer multiple of L
  • the L0 subbands corresponding to the L0 subband channel state information feedback are aggregated into Part of the bandwidth, of which The partial bandwidth is aggregated by L subbands, and one part of the bandwidth is a subband with a polymer, of which Round up the function.
  • bitmap further includes: a second bitmap; wherein the second bitmap includes: third information, fourth information, and a third specified parameter; and the third designated parameter is used to indicate whether the third information needs to be
  • the fourth information is used for feedback; wherein the third information is a subset of the first information, and the fourth information is one or more sub-bands included in the partial bandwidth corresponding to the specified portion of the bandwidth information of the second information; or The subset of the four pieces of information includes one or more sub-bands included in the portion of the bandwidth corresponding to the specified portion of the second information.
  • the M partial bandwidths constitute the entire system bandwidth, and the M partial bandwidths include sub-band portions that are the same or completely different.
  • Ki is determined by one of the following methods: determining according to the terminal capability; determining according to the size of the system bandwidth; determining according to the bandwidth size J1 of the channel state information reference signal, where Ki is less than or equal to J1; according to the sounding reference signal
  • the bandwidth size J2 is determined, where Ki is less than or equal to J2; the terminal negotiates with the network side device to determine.
  • the subband corresponding to the K subband channel state information feedback includes: one or more subband channel state information in the partial bandwidth channel state information feedback.
  • the corresponding sub-band is fed back; wherein K is an integer greater than or equal to 1.
  • the bitmap may include: a third bitmap, where the third bitmap includes: fifth information, sixth information, and fourth designated parameter, where the fourth designated parameter is used to indicate Whether the fifth information needs to be fed back according to the sixth information, where the fifth information includes: each channel state information parameter in the channel state information parameter set; the sixth information includes at least one of the following: periodic feedback, aperiodic feedback, semi-persistent Feedback.
  • the channel state information parameter set includes at least one of the following channel state information parameters: channel rank or channel rank set; channel state information CSI feedback class I channel state information parameter; CSI feedback class II channel state information parameter ; channel state information resource index indicates CRI or CRI set; wideband CQI, subband CQI or subband CQI set, partial subband CQI; transmit beam index or transmit beam index set; receive beam index or receive beam index set; beam pair index Or beam pair index set; subband index or subband index set.
  • channel state information parameters include channel rank or channel rank set; channel state information CSI feedback class I channel state information parameter; CSI feedback class II channel state information parameter ; channel state information resource index indicates CRI or CRI set; wideband CQI, subband CQI or subband CQI set, partial subband CQI; transmit beam index or transmit beam index set; receive beam index or receive beam index set; beam pair index Or beam pair index set; subband index or subband index set.
  • the channel state information parameter set is determined by one of the following methods: determined according to the terminal capability, determined by the transmission mode.
  • execution body of the above steps may be a terminal, such as a computer terminal, a handheld terminal, etc., but is not limited thereto.
  • the method according to the above embodiment can be implemented by means of software plus a necessary general hardware platform, and of course, by hardware, but in many cases, the former is A better implementation.
  • the technical solution of the present invention which is essential or contributes to the prior art, may be embodied in the form of a software product stored in a storage medium (such as ROM/RAM, disk,
  • the optical disc includes a number of instructions for causing a terminal device (which may be a cell phone, a computer, a server, or a network device, etc.) to perform the methods described in various embodiments of the present invention.
  • an information transmitting apparatus is further provided, which is used to implement the above-mentioned embodiments and preferred embodiments, and the detailed description thereof has been omitted.
  • the term "module” may implement a combination of software and/or hardware of a predetermined function.
  • the apparatus described in the following embodiments is preferably implemented in software, hardware, or a combination of software and hardware, is also possible and contemplated.
  • FIG. 4 is a structural block diagram of an information transmitting apparatus according to an embodiment of the present invention. As shown in FIG. 4, the apparatus includes:
  • the determining module 42 is configured to determine channel state information parameter set indication information, where the channel state information parameter set indication information is used to indicate a feedback state and/or a feedback manner of each channel state information parameter in the channel state information parameter set;
  • the sending module 44 is connected to the determining module 42 and configured to send channel state information parameter set indication information.
  • the device may indicate, by using the channel state information parameter set indication information, the feedback state and/or the feedback mode of each channel state information parameter in the channel state information parameter set, so that the terminal may perform the channel state information parameter set indication information according to the channel state information parameter set indication information.
  • the feedback of the channel state information parameter is no longer dependent on the transmission mode or the codebook version, and thus the CSI feedback content is more flexible than the feedback content of the CSI in the prior art, and the transmission mode or the codebook version binding. It can solve the problem that the feedback content of CSI in the related technology is not flexible, and can adapt to the feedback requirement of 5G or future unlimited communication technology.
  • the foregoing feedback state may include: the channel state information parameter needs to be fed back or the channel state information parameter does not need to be fed back; the feedback manner includes: a frequency domain feedback manner of the channel state information parameter and/or a time domain feedback manner.
  • the foregoing frequency domain feedback manner may include at least one of the following: wideband channel state information feedback, subband channel state information feedback, and partial bandwidth channel state information feedback; and the time domain feedback manner may include at least one of the following: periodic feedback , aperiodic feedback, semi-continuous feedback.
  • the frequency domain feedback mode is determined by the time domain feedback mode.
  • the frequency domain feedback mode when the time domain feedback mode includes periodic feedback or semi-persistent feedback, the frequency domain feedback mode includes broadband Channel state information feedback or partial bandwidth channel state information feedback.
  • frequency domain feedback mode and the time domain feedback mode may also be independent of each other.
  • the channel state information parameter set indication information may include a first specified parameter, wherein when the first specified parameter is the first specified value, the feedback state is that the channel state information parameter needs to be fed back; When the first designated parameter is the second specified value, the feedback state is that the channel state information parameter does not need to be fed back.
  • first specified value may be 1, and the second specified value may be 0, but is not limited thereto.
  • first specified value may be 0, and the second specified value may be 1, or may be first.
  • the specified value and the second specified value are values other than 0, 1.
  • channel state information parameter set indication information is represented by a bitmap.
  • the bitmap includes: a first bitmap, where the first bitmap includes: first information and a second specified parameter; wherein the second specified parameter is used to indicate whether the first information is The information needs to be fed back; wherein the first information includes: each channel state information parameter in the channel state information parameter set.
  • the table 12 can be regarded as a bitmap, and the first information may be CSI parameter 1, CSI parameter 2, ..., CSI parameter C, and the second specified parameter may be Is 0 or 1 in Table 12.
  • the frequency domain feedback mode of each channel state information parameter is determined by the frequency domain property of the channel state information parameter or determined by the base station itself; the frequency domain property of the channel state information parameter may include at least one of the following: subband nature, Broadband nature, part of the bandwidth nature.
  • first bitmap may further include: second information, where the second specified parameter is used to indicate whether the first information uses the second information for feedback; and the second information includes frequency domain feedback of at least one of the following: Mode: wideband channel state information feedback, N subband channel state information feedback, M partial broadband channel state information feedback, where N and M are positive integers.
  • bitmap may be expressed as Tables 2 to 8 in the following preferred embodiment 1, or may be the following Table 9 of the preferred embodiment 2, but is not limited thereto.
  • the second specified parameter when the second specified parameter is the third specified value, the second specified parameter is used to indicate that the first information needs to be fed back by using the second information; when the second specified parameter is the fourth specified value, the second specified The parameter is used to indicate that the first information does not use the second information for feedback.
  • the third specified value may be 1, and the fourth specified value may be 0, but is not limited thereto.
  • the third specified value may be 0, and the fourth specified value may be 1. It is also possible that the third specified value and the fourth specified value are values other than 0, 1.
  • the second information includes N subband channel state information feedback
  • the first bitmap indicates that the specified channel state information parameter in the channel state information parameter set is the third designation on the continuous L0 subband channel state information feedback.
  • the L subbands corresponding to each L subband channel state information feedback are aggregated into one partial bandwidth; wherein L0 is less than or equal to N, L is less than or equal to L0, and L0, L, and N are all integers greater than 1.
  • L0 is not an integer multiple of L
  • the L0 subbands corresponding to the L0 subband channel state information feedback are aggregated into Part of the bandwidth, of which The partial bandwidth is aggregated by L subbands, and one part of the bandwidth is a subband with a polymer, of which Round up the function.
  • bitmap further includes: a second bitmap; wherein the second bitmap includes: third information, fourth information, and a third specified parameter; and the third designated parameter is used to indicate whether the third information needs to be
  • the fourth information is used for feedback; wherein the third information is a subset of the first information, and the fourth information is one or more sub-bands included in the partial bandwidth corresponding to the specified portion of the bandwidth information of the second information; or The subset of the four pieces of information includes one or more sub-bands included in the portion of the bandwidth corresponding to the specified portion of the second information.
  • the M partial bandwidths constitute the entire system bandwidth, and the M partial bandwidths include sub-band portions that are the same or completely different.
  • Ki is determined by one of the following methods: determining according to the terminal capability; determining according to the size of the system bandwidth; determining according to the bandwidth size J1 of the channel state information reference signal, where Ki is less than or equal to J1; according to the sounding reference signal
  • the bandwidth size J2 is determined, where Ki is less than or equal to J2; it is determined in consultation with the terminal.
  • the subband corresponding to the K subband channel state information feedback includes: one or more subband channel state information in the partial bandwidth channel state information feedback.
  • the corresponding sub-band is fed back; wherein K is an integer greater than or equal to 1.
  • the bitmap may include: a third bitmap, where the third bitmap includes: fifth information, sixth information, and fourth designated parameter, where the fourth designated parameter is used to indicate Whether the fifth information needs to be fed back according to the sixth information, where the fifth information includes: each channel state information parameter in the channel state information parameter set; the sixth information includes at least one of the following: periodic feedback, aperiodic feedback, semi-persistent Feedback.
  • the channel state information parameter set includes at least one of the following channel state information parameters: channel rank or channel rank set; channel state information CSI feedback class I channel state information parameter; CSI feedback class II channel state information parameter ; channel state information resource index indicates CRI or CRI set; wideband CQI, subband CQI or subband CQI set, partial subband CQI; transmit beam index or transmit beam index set; receive beam index or receive beam index set; beam pair index Or beam pair index set; subband index or subband index set.
  • channel state information parameters include channel rank or channel rank set; channel state information CSI feedback class I channel state information parameter; CSI feedback class II channel state information parameter ; channel state information resource index indicates CRI or CRI set; wideband CQI, subband CQI or subband CQI set, partial subband CQI; transmit beam index or transmit beam index set; receive beam index or receive beam index set; beam pair index Or beam pair index set; subband index or subband index set.
  • the channel state information parameter set is determined by one of the following methods: determined according to the terminal capability, determined by the transmission mode.
  • the foregoing apparatus may be located in a network side device, such as a base station, etc., but is not limited thereto.
  • each of the above modules may be implemented by software or hardware.
  • the foregoing may be implemented by, but not limited to, the foregoing modules are all located in the same processor; or, the above modules are in any combination.
  • the forms are located in different processors.
  • an information processing device is also provided, which is applied to the terminal, and the device is used to implement the foregoing embodiments and preferred embodiments, and details are not described herein.
  • the term "module” may implement a combination of software and/or hardware for a predetermined function.
  • the apparatus described in the following embodiments is preferably implemented in software, hardware, or a combination of software and hardware, is also possible and contemplated.
  • FIG. 5 is a structural block diagram of an information processing apparatus according to an embodiment of the present invention. As shown in FIG. 5, the apparatus includes:
  • the receiving module 52 is configured to receive channel state information parameter set indication information, where the channel state information parameter set indication information is used to indicate a feedback state and/or a feedback mode of each channel state information parameter in the channel state information parameter set;
  • the determining module 54 is connected to the receiving module 52, and configured to determine, according to the channel state information parameter set indication information, a channel state information parameter that needs to be fed back in the channel state information parameter set;
  • the feedback module 56 is connected to the determining module 54 and configured to feed back channel state information parameters that need to be fed back.
  • the device may indicate, by using the channel state information parameter set indication information, the feedback state and/or the feedback mode of each channel state information parameter in the channel state information parameter set, so that the terminal may perform the channel state information parameter set indication information according to the channel state information parameter set indication information.
  • the feedback of the channel state information parameter is no longer dependent on the transmission mode or the codebook version, and thus the CSI feedback content is more flexible than the feedback content of the CSI in the prior art, and the transmission mode or the codebook version binding. It can solve the problem that the feedback content of CSI in the related technology is not flexible, and can adapt to the feedback requirement of 5G or future unlimited communication technology.
  • the foregoing feedback state may include: the channel state information parameter needs to be fed back or the channel state information parameter does not need to be fed back; the feedback manner includes: a frequency domain feedback manner of the channel state information parameter and/or a time domain feedback manner.
  • the foregoing frequency domain feedback manner may include at least one of the following: wideband channel state information feedback, subband channel state information feedback, and partial bandwidth channel state information feedback; and the time domain feedback manner may include at least one of the following: periodic feedback , aperiodic feedback, semi-continuous feedback.
  • the frequency domain feedback mode is determined by the time domain feedback mode.
  • the frequency domain feedback mode when the time domain feedback mode includes periodic feedback or semi-persistent feedback, the frequency domain feedback mode includes broadband Channel state information feedback or partial bandwidth channel state information feedback.
  • frequency domain feedback mode and the time domain feedback mode may also be independent of each other.
  • the channel state information parameter set indication information may include a first specified parameter, wherein when the first specified parameter is the first specified value, the feedback state is that the channel state information parameter needs to be fed back; When the first designated parameter is the second specified value, the feedback state is that the channel state information parameter does not need to be fed back.
  • first specified value may be 1, and the second specified value may be 0, but is not limited thereto.
  • first specified value may be 0, and the second specified value may be 1, or may be first.
  • the specified value and the second specified value are values other than 0, 1.
  • channel state information parameter set indication information is represented by a bitmap.
  • the bitmap includes: a first bitmap, where the first bitmap includes: first information and a second specified parameter; wherein the second specified parameter is used to indicate whether the first information is The information needs to be fed back; wherein the first information includes: each channel state information parameter in the channel state information parameter set.
  • the table 12 can be regarded as a bitmap, and the first information may be CSI parameter 1, CSI parameter 2, ..., CSI parameter C, and the second specified parameter may be Is 0 or 1 in Table 12.
  • the frequency domain feedback mode of each channel state information parameter is determined by the frequency domain property of the channel state information parameter or determined by the base station itself; the frequency domain property of the channel state information parameter may include at least one of the following: subband nature, Broadband nature, part of the bandwidth nature.
  • first bitmap may further include: second information, where the second specified parameter is used to indicate whether the first information uses the second information for feedback; and the second information includes frequency domain feedback of at least one of the following: Mode: wideband channel state information feedback, N subband channel state information feedback, M partial broadband channel state information feedback, where N and M are positive integers.
  • bitmap may be expressed as Tables 2 to 8 in the following preferred embodiment 1, or may be the following Table 9 of the preferred embodiment 2, but is not limited thereto.
  • the second specified parameter when the second specified parameter is the third specified value, the second specified parameter is used to indicate that the first information needs to be fed back by using the second information; when the second specified parameter is the fourth specified value, the second specified The parameter is used to indicate that the first information does not use the second information for feedback.
  • the third specified value may be 1, and the fourth specified value may be 0, but is not limited thereto.
  • the third specified value may be 0, and the fourth specified value may be 1. It is also possible that the third specified value and the fourth specified value are values other than 0, 1.
  • the second information includes N subband channel state information feedback
  • the first bitmap indicates that the specified channel state information parameter in the channel state information parameter set is the third designation on the continuous L0 subband channel state information feedback.
  • the L subbands corresponding to each L subband channel state information feedback are aggregated into one partial bandwidth; wherein L0 is less than or equal to N, L is less than or equal to L0, and L0, L, and N are all integers greater than 1.
  • L0 is not an integer multiple of L
  • the L0 subbands corresponding to the L0 subband channel state information feedback are aggregated into Part of the bandwidth, of which The partial bandwidth is aggregated by L subbands, and one part of the bandwidth is a subband with a polymer, of which Round up the function.
  • bitmap further includes: a second bitmap; wherein the second bitmap includes: third information, fourth information, and a third specified parameter; and the third designated parameter is used to indicate whether the third information needs to be
  • the fourth information is used for feedback; wherein the third information is a subset of the first information, and the fourth information is one or more sub-bands included in the partial bandwidth corresponding to the specified portion of the bandwidth information of the second information; or The subset of the four pieces of information includes one or more sub-bands included in the portion of the bandwidth corresponding to the specified portion of the second information.
  • the M partial bandwidths constitute the entire system bandwidth, and the M partial bandwidths include sub-band portions that are the same or completely different.
  • Ki is determined by one of the following methods: determining according to the terminal capability; determining according to the size of the system bandwidth; determining according to the bandwidth size J1 of the channel state information reference signal, where Ki is less than or equal to J1; according to the sounding reference signal
  • the bandwidth size J2 is determined, where Ki is less than or equal to J2; it is determined in consultation with the network side device.
  • the subband corresponding to the K subband channel state information feedback includes: one or more subband channel state information in the partial bandwidth channel state information feedback.
  • the corresponding sub-band is fed back; wherein K is an integer greater than or equal to 1.
  • the bitmap may include: a third bitmap, where the third bitmap includes: fifth information, sixth information, and fourth designated parameter, where the fourth designated parameter is used to indicate Whether the fifth information needs to be fed back according to the sixth information, where the fifth information includes: each channel state information parameter in the channel state information parameter set; the sixth information includes at least one of the following: periodic feedback, aperiodic feedback, semi-persistent Feedback.
  • the channel state information parameter set includes at least one of the following channel state information parameters: channel rank or channel rank set; channel state information CSI feedback class I channel state information parameter; CSI feedback class II channel state information parameter ; channel state information resource index indicates CRI or CRI set; wideband CQI, subband CQI or subband CQI set, partial subband CQI; transmit beam index or transmit beam index set; receive beam index or receive beam index set; beam pair index Or beam pair index set; subband index or subband index set.
  • channel state information parameters include channel rank or channel rank set; channel state information CSI feedback class I channel state information parameter; CSI feedback class II channel state information parameter ; channel state information resource index indicates CRI or CRI set; wideband CQI, subband CQI or subband CQI set, partial subband CQI; transmit beam index or transmit beam index set; receive beam index or receive beam index set; beam pair index Or beam pair index set; subband index or subband index set.
  • the channel state information parameter set is determined by one of the following methods: determined according to the terminal capability, determined by the transmission mode.
  • the foregoing apparatus may be located in a terminal, such as a computer terminal, a handheld terminal, etc., but is not limited thereto.
  • each of the above modules may be implemented by software or hardware.
  • the foregoing may be implemented by, but not limited to, the foregoing modules are all located in the same processor; or, the above modules are in any combination.
  • the forms are located in different processors.
  • FIG. 6 is a structural block diagram of a network side device according to an embodiment of the present invention.
  • the network side device includes: a processor 62 and a storage device capable of a memory 64 of a computer program running on the processor 62; the memory 64 is coupled to the processor 62;
  • the processor 62 is configured to: when the computer program is executed, perform: determining channel state information parameter set indication information; wherein the channel state information parameter set indication information is used to indicate each channel state information in the channel state information parameter set a feedback state and/or a feedback mode of the parameter; sending the channel state information parameter set indication information.
  • the network side device may indicate that the feedback state and/or the feedback mode of each channel state information parameter in the channel state information parameter set may be indicated by the channel state information parameter set indication information, so that the terminal may indicate according to the channel state information parameter set.
  • the feedback of the information about the channel state information is compared with the feedback content of the CSI in the prior art, and the transmission mode or the codebook version is no longer required to be dependent on the transmission mode or the codebook version, thereby making the CSI feedback content more flexible. Therefore, the problem that the feedback content of the CSI in the related art is inflexible can be solved, and the feedback requirement of the 5G or future unlimited communication technology can be adapted.
  • the foregoing feedback state may include: the channel state information parameter needs to be fed back or the channel state information parameter does not need to be fed back; the feedback manner includes: a frequency domain feedback manner of the channel state information parameter and/or a time domain feedback manner.
  • the foregoing frequency domain feedback manner may include at least one of the following: wideband channel state information feedback, subband channel state information feedback, and partial bandwidth channel state information feedback; and the time domain feedback manner may include at least one of the following: periodic feedback , aperiodic feedback, semi-continuous feedback.
  • the frequency domain feedback mode is determined by the time domain feedback mode.
  • the frequency domain feedback mode when the time domain feedback mode includes periodic feedback or semi-persistent feedback, the frequency domain feedback mode includes broadband Channel state information feedback or partial bandwidth channel state information feedback.
  • frequency domain feedback mode and the time domain feedback mode may also be independent of each other.
  • the channel state information parameter set indication information may include a first specified parameter, wherein when the first specified parameter is the first specified value, the feedback state is that the channel state information parameter needs to be fed back; When the first designated parameter is the second specified value, the feedback state is that the channel state information parameter does not need to be fed back.
  • first specified value may be 1, and the second specified value may be 0, but is not limited thereto.
  • first specified value may be 0, and the second specified value may be 1, or may be first.
  • the specified value and the second specified value are values other than 0, 1.
  • channel state information parameter set indication information is represented by a bitmap.
  • the bitmap includes: a first bitmap, where the first bitmap includes: first information and a second specified parameter; wherein the second specified parameter is used to indicate whether the first information is The information needs to be fed back; wherein the first information includes: each channel state information parameter in the channel state information parameter set.
  • the table 12 can be regarded as a bitmap, and the first information may be CSI parameter 1, CSI parameter 2, ..., CSI parameter C, and the second specified parameter may be Is 0 or 1 in Table 12.
  • the frequency domain feedback mode of each channel state information parameter is determined by the frequency domain property of the channel state information parameter or determined by the base station itself; the frequency domain property of the channel state information parameter may include at least one of the following: subband nature, Broadband nature, part of the bandwidth nature.
  • first bitmap may further include: second information, where the second specified parameter is used to indicate whether the first information uses the second information for feedback; and the second information includes frequency domain feedback of at least one of the following: Mode: wideband channel state information feedback, N subband channel state information feedback, M partial broadband channel state information feedback, where N and M are positive integers.
  • bitmap may be expressed as Tables 2 to 8 in the following preferred embodiment 1, or may be the following Table 9 of the preferred embodiment 2, but is not limited thereto.
  • the second specified parameter when the second specified parameter is the third specified value, the second specified parameter is used to indicate that the first information needs to be fed back by using the second information; when the second specified parameter is the fourth specified value, the second specified The parameter is used to indicate that the first information does not use the second information for feedback.
  • the third specified value may be 1, and the fourth specified value may be 0, but is not limited thereto.
  • the third specified value may be 0, and the fourth specified value may be 1. It is also possible that the third specified value and the fourth specified value are values other than 0, 1.
  • the second information includes N subband channel state information feedback
  • the first bitmap indicates that the specified channel state information parameter in the channel state information parameter set is the third designation on the continuous L0 subband channel state information feedback.
  • the L subbands corresponding to each L subband channel state information feedback are aggregated into one partial bandwidth; wherein L0 is less than or equal to N, L is less than or equal to L0, and L0, L, and N are all integers greater than 1.
  • L0 is not an integer multiple of L
  • the L0 subbands corresponding to the L0 subband channel state information feedback are aggregated into Part of the bandwidth, of which The partial bandwidth is aggregated by L subbands, and one part of the bandwidth is a subband with a polymer, of which Round up the function.
  • bitmap further includes: a second bitmap; wherein the second bitmap includes: third information, fourth information, and a third specified parameter; and the third designated parameter is used to indicate whether the third information needs to be
  • the fourth information is used for feedback; wherein the third information is a subset of the first information, and the fourth information is one or more sub-bands included in the partial bandwidth corresponding to the specified portion of the bandwidth information of the second information; or The subset of the four pieces of information includes one or more sub-bands included in the portion of the bandwidth corresponding to the specified portion of the second information.
  • the M partial bandwidths constitute the entire system bandwidth, and the M partial bandwidths include sub-band portions that are the same or completely different.
  • Ki is determined by one of the following methods: determining according to the terminal capability; determining according to the size of the system bandwidth; determining according to the bandwidth size J1 of the channel state information reference signal, where Ki is less than or equal to J1; according to the sounding reference signal
  • the bandwidth size J2 is determined, where Ki is less than or equal to J2; it is determined in consultation with the terminal.
  • the subband corresponding to the K subband channel state information feedback includes: one or more subband channel state information in the partial bandwidth channel state information feedback.
  • the corresponding sub-band is fed back; wherein K is an integer greater than or equal to 1.
  • the bitmap may include: a third bitmap, where the third bitmap includes: fifth information, sixth information, and fourth designated parameter, where the fourth designated parameter is used to indicate Whether the fifth information needs to be fed back according to the sixth information, where the fifth information includes: each channel state information parameter in the channel state information parameter set; the sixth information includes at least one of the following: periodic feedback, aperiodic feedback, semi-persistent Feedback.
  • the channel state information parameter set includes at least one of the following channel state information parameters: channel rank or channel rank set; channel state information CSI feedback class I channel state information parameter; CSI feedback class II channel state information parameter ; channel state information resource index indicates CRI or CRI set; wideband CQI, subband CQI or subband CQI set, partial subband CQI; transmit beam index or transmit beam index set; receive beam index or receive beam index set; beam pair index Or beam pair index set; subband index or subband index set.
  • channel state information parameters include channel rank or channel rank set; channel state information CSI feedback class I channel state information parameter; CSI feedback class II channel state information parameter ; channel state information resource index indicates CRI or CRI set; wideband CQI, subband CQI or subband CQI set, partial subband CQI; transmit beam index or transmit beam index set; receive beam index or receive beam index set; beam pair index Or beam pair index set; subband index or subband index set.
  • the channel state information parameter set is determined by one of the following methods: determined according to the terminal capability, determined by the transmission mode.
  • FIG. 7 is a structural block diagram of a terminal according to an embodiment of the present invention.
  • the terminal includes: a processor 72 and a storage device capable of running on the processor 72. a memory 74 of the computer program; the memory 74 is coupled to the processor 72;
  • the processor 72 is configured to: receive channel state information parameter set indication information, where the channel state information parameter set indication information is used to indicate each channel state information in the channel state information parameter set.
  • the feedback state and/or the feedback mode of the parameter determining the channel state information parameter that needs to be fed back in the channel state information parameter set according to the channel state information parameter set indication information; and feeding back the channel state information parameter that needs feedback to the network side device.
  • the terminal may perform the feedback state and/or the feedback mode of each channel state information parameter in the channel state information parameter set by using the channel state information parameter set indication information, so that the terminal may perform the channel state information parameter set indication information according to the channel state information parameter set indication information.
  • the feedback of the channel state information parameter is no longer dependent on the transmission mode or the codebook version, and thus the CSI feedback content is more flexible than the feedback content of the CSI in the prior art, and the transmission mode or the codebook version binding. It can solve the problem that the feedback content of CSI in the related technology is not flexible, and can adapt to the feedback requirement of 5G or future unlimited communication technology.
  • the foregoing feedback state may include: the channel state information parameter needs to be fed back or the channel state information parameter does not need to be fed back; the feedback manner includes: a frequency domain feedback manner of the channel state information parameter and/or a time domain feedback manner.
  • the foregoing frequency domain feedback manner may include at least one of the following: wideband channel state information feedback, subband channel state information feedback, and partial bandwidth channel state information feedback; and the time domain feedback manner may include at least one of the following: periodic feedback , aperiodic feedback, semi-continuous feedback.
  • the frequency domain feedback mode is determined by the time domain feedback mode.
  • the frequency domain feedback mode when the time domain feedback mode includes periodic feedback or semi-persistent feedback, the frequency domain feedback mode includes broadband Channel state information feedback or partial bandwidth channel state information feedback.
  • frequency domain feedback mode and the time domain feedback mode may also be independent of each other.
  • the channel state information parameter set indication information may include a first specified parameter, wherein when the first specified parameter is the first specified value, the feedback state is that the channel state information parameter needs to be fed back; When the first designated parameter is the second specified value, the feedback state is that the channel state information parameter does not need to be fed back.
  • first specified value may be 1, and the second specified value may be 0, but is not limited thereto.
  • first specified value may be 0, and the second specified value may be 1, or may be first.
  • the specified value and the second specified value are values other than 0, 1.
  • channel state information parameter set indication information is represented by a bitmap.
  • the bitmap includes: a first bitmap, where the first bitmap includes: first information and a second specified parameter; wherein the second specified parameter is used to indicate whether the first information is The information needs to be fed back; wherein the first information includes: each channel state information parameter in the channel state information parameter set.
  • the table 12 can be regarded as a bitmap, and the first information may be CSI parameter 1, CSI parameter 2, ..., CSI parameter C, and the second specified parameter may be Is 0 or 1 in Table 12.
  • the frequency domain feedback mode of each channel state information parameter is determined by the frequency domain property of the channel state information parameter or determined by the base station itself; the frequency domain property of the channel state information parameter may include at least one of the following: subband nature, Broadband nature, part of the bandwidth nature.
  • first bitmap may further include: second information, where the second specified parameter is used to indicate whether the first information uses the second information for feedback; and the second information includes frequency domain feedback of at least one of the following: Mode: wideband channel state information feedback, N subband channel state information feedback, M partial broadband channel state information feedback, where N and M are positive integers.
  • bitmap may be expressed as Tables 2 to 8 in the following preferred embodiment 1, or may be the following Table 9 of the preferred embodiment 2, but is not limited thereto.
  • the second specified parameter when the second specified parameter is the third specified value, the second specified parameter is used to indicate that the first information needs to be fed back by using the second information; when the second specified parameter is the fourth specified value, the second specified The parameter is used to indicate that the first information does not use the second information for feedback.
  • the third specified value may be 1, and the fourth specified value may be 0, but is not limited thereto.
  • the third specified value may be 0, and the fourth specified value may be 1. It is also possible that the third specified value and the fourth specified value are values other than 0, 1.
  • the second information includes N subband channel state information feedback
  • the first bitmap indicates that the specified channel state information parameter in the channel state information parameter set is the third designation on the continuous L0 subband channel state information feedback.
  • the L subbands corresponding to each L subband channel state information feedback are aggregated into one partial bandwidth; wherein L0 is less than or equal to N, L is less than or equal to L0, and L0, L, and N are all integers greater than 1.
  • L0 is not an integer multiple of L
  • the L0 subbands corresponding to the L0 subband channel state information feedback are aggregated into Part of the bandwidth, of which The partial bandwidth is aggregated by L subbands, and one part of the bandwidth is a subband with a polymer, of which Round up the function.
  • bitmap further includes: a second bitmap; wherein the second bitmap includes: third information, fourth information, and a third specified parameter; and the third designated parameter is used to indicate whether the third information needs to be
  • the fourth information is used for feedback; wherein the third information is a subset of the first information, and the fourth information is one or more sub-bands included in the partial bandwidth corresponding to the specified portion of the bandwidth information of the second information; or The subset of the four pieces of information includes one or more sub-bands included in the portion of the bandwidth corresponding to the specified portion of the second information.
  • the M partial bandwidths constitute the entire system bandwidth, and the M partial bandwidths include sub-band portions that are the same or completely different.
  • Ki is determined by one of the following methods: determining according to the terminal capability; determining according to the size of the system bandwidth; determining according to the bandwidth size J1 of the channel state information reference signal, where Ki is less than or equal to J1; according to the sounding reference signal
  • the bandwidth size J2 is determined, where Ki is less than or equal to J2; it is determined in consultation with the network side device.
  • the subband corresponding to the K subband channel state information feedback includes: one or more subband channel state information in the partial bandwidth channel state information feedback.
  • the corresponding sub-band is fed back; wherein K is an integer greater than or equal to 1.
  • the bitmap may include: a third bitmap, where the third bitmap includes: fifth information, sixth information, and fourth designated parameter, where the fourth designated parameter is used to indicate Whether the fifth information needs to be fed back according to the sixth information, where the fifth information includes: each channel state information parameter in the channel state information parameter set; the sixth information includes at least one of the following: periodic feedback, aperiodic feedback, semi-persistent Feedback.
  • the channel state information parameter set includes at least one of the following channel state information parameters: channel rank or channel rank set; channel state information CSI feedback class I channel state information parameter; CSI feedback class II channel state information parameter ; channel state information resource index indicates CRI or CRI set; wideband CQI, subband CQI or subband CQI set, partial subband CQI; transmit beam index or transmit beam index set; receive beam index or receive beam index set; beam pair index Or beam pair index set; subband index or subband index set.
  • channel state information parameters include channel rank or channel rank set; channel state information CSI feedback class I channel state information parameter; CSI feedback class II channel state information parameter ; channel state information resource index indicates CRI or CRI set; wideband CQI, subband CQI or subband CQI set, partial subband CQI; transmit beam index or transmit beam index set; receive beam index or receive beam index set; beam pair index Or beam pair index set; subband index or subband index set.
  • the channel state information parameter set is determined by one of the following methods: determined according to the terminal capability, determined by the transmission mode.
  • An embodiment of the present invention further provides a storage medium, the storage medium comprising a stored program, wherein the device in which the storage medium is located is controlled to perform the method described in any one of the above.
  • the storage medium may be configured to store program code for performing the steps of the method of Embodiment 1 or Embodiment 2.
  • the foregoing storage medium may include, but is not limited to, a USB flash drive, a read-only memory (ROM), a random access memory (RAM), a mobile hard disk, a magnetic disk, or an optical disk.
  • ROM read-only memory
  • RAM random access memory
  • mobile hard disk a magnetic disk
  • optical disk a variety of media that can store program code.
  • Embodiments of the present invention also provide a processor for running a program, wherein the program is executed to perform the steps of any of the above methods.
  • the above program is used to perform the steps of the method of Embodiment 1 or Embodiment 2.
  • the base station includes, but is not limited to, a macro base station, a micro base station, a pico base station, a home base station, a transmission node, a wireless hotspot, a home base station, and a wireless remote unit.
  • the terminal includes various receiving devices such as data cards, mobile phones, notebook computers, personal computers, tablet computers, personal digital assistants, and Bluetooth.
  • the frequency domain resource includes one of a subcarrier, a subcarrier group (such as a physical resource block in LTE including 12 subcarriers, a physical resource block), and a subcarrier set (such as a subband in LTE), where the subcarrier group includes A plurality of subcarriers, the set of subcarriers including a plurality of subcarrier groups.
  • a subcarrier group such as a physical resource block in LTE including 12 subcarriers, a physical resource block
  • a subcarrier set such as a subband in LTE
  • a wireless communication system such as LTE, or New Radio (NR)
  • 12 subcarriers in the frequency domain are referred to as one physical resource block (PRB)
  • k physical resource blocks constitute a subband (Subband, SB), where the size of K is related to the system bandwidth.
  • the defined subband is as shown in Table 1.
  • the system may have a larger system bandwidth, which may occupy different bandwidths for different users.
  • K subbands are aggregated into a partial bandwidth (Partial Band) to aggregate CSI on K Subbands. Feedback together.
  • some parameters only feed back a value, such as the channel rank, over the entire system bandwidth.
  • the entire system bandwidth becomes broadband (WideBand, WB), and the CSI fed back on the broadband becomes broadband feedback.
  • WB generally includes N PRBs, and in general, N>K>1.
  • the base station needs to specify the bandwidth of the terminal to measure and feed back the measured CSI.
  • the CSI measurement is performed for a certain frequency domain granularity.
  • the WSI is measured based on the WB
  • the CSI is measured based on the sub-band CSI.
  • the CSI of the band is measured based on the partial bandwidth to obtain the CSI of the partial bandwidth.
  • Feedback CSI based on WB measurement is called wideband channel state information feedback, and channel state information fed back by wideband channel state information feedback is based on wideband measurement.
  • the CSI based on the SB measurement is called sub-band channel state information feedback.
  • the channel state information fed back by the sub-band channel state information is measured based on one sub-band, corresponding to a sub-band, which is called the sub-band channel state information. band.
  • the CSI based on partial bandwidth measurement is called partial bandwidth channel state information feedback.
  • the channel state information fed back by partial bandwidth channel state information feedback is based on a partial bandwidth measurement, which corresponds to one or more subbands, called partial bandwidth channel state.
  • the sub-bands included in the partial bandwidth corresponding to the feedback are different names in different protocols, but it is within the scope of the present invention as long as the meanings are the same.
  • the base station needs to specify the bandwidth of the terminal to measure and feed back the measured CSI.
  • the CSI measurement is performed for a certain frequency domain granularity.
  • the WSI is measured based on the WB
  • the CSI is measured based on the sub-band CSI.
  • the CSI of the band is measured based on the partial bandwidth to obtain the CSI of the partial bandwidth. We call this the frequency domain granularity of the measurement of CSI.
  • the CSI based on the WB measurement is called the wideband CSI feedback.
  • the CSI based on the SB measurement is called the sub-band CSI feedback.
  • the CSI based on the partial bandwidth measurement is called the partial bandwidth CSI feedback.
  • there are different names in different protocols but it is within the scope of the present invention as long as the meanings are the same.
  • the beam according to the embodiment of the present invention includes a transmit beam and a receive beam, a precoding, a precoding matrix, and a precoding matrix index, and the beam may be a resource (eg, origin precoding, terminating precoding, antenna port, antenna).
  • the weight vector, the antenna weight matrix, etc., the beam sequence number can be replaced with a resource index because the beam can be bound to some time-frequency code resources for transmission.
  • the beam may also be a transmission (transmit/receive) mode; the transmission mode may include space division multiplexing, frequency domain/time domain diversity, and the like.
  • the receiving beam refers to a beam of the receiving end that does not need to be indicated, or a reference signal (or reference reference signal) that the transmitting end can report back to the UE through the current reference signal and the antenna port, and a quasi co-location (QCL) indication of the antenna port.
  • the beam pair includes a combination of a transmit beam indication and a receive beam indication.
  • the preferred embodiment shows a bitmap of CSI parameters and SB/WB.
  • the wireless communication system of the preferred embodiment includes at least one base station and at least one terminal (user).
  • the base station configures a channel state information parameter set (CSI parameter set), and the CSI parameter set includes C CSI parameters, where C is a positive integer, and the base station can use the high-level signaling or physical layer signaling to set C CSIs in the CSI parameter set.
  • the content of the parameter and the value of the C notification terminal may also determine the content of the C CSI parameters and the value of C by means of a method agreed by the base station and the terminal.
  • the contents of the C CSI parameters include, for example, channel RI, precoding matrix, PMI (including i/i1/i2/i11/i12, beam index, etc.), CQI, wideband CQI, subband CQI, CRI, and the like.
  • the maximum value of C can be determined by the base station itself, or can be determined according to the capabilities of the UE, and can also be determined according to the transmission mode.
  • the base station and the terminal determine the bandwidth of the system, including the Nrb physical resource blocks, by dividing the bandwidth of the system into Nsb sub-bands SB, and each SB includes more than one physical resource block.
  • the base station configures C CSI parameters, and indicates whether the C CSI parameters need feedback through the CSI parameter set indication information, whether it is broadband feedback or sub-band feedback, wherein the broadband feedback refers to only one broadband is fed back in the bandwidth of the system.
  • CSI such as RI, CRI, etc., of course, PMI and CQI can also be broadband feedback.
  • the bit map of Table 2 includes three CSI parameters: PMI index i, RI and WB CQI.
  • the bit map of Table 3 includes 4 CSI parameters: PMI index i1/(i11/i12), i2, RI and WB CQI.
  • the bit map of Table 4 includes five CSI parameters: PMI index i1/(i11/i12), i2, RI and WB CQI, SBCQI.
  • the bit map of Table 5 includes six CSI parameters: PMI index i1/(i11/i12), i2, RI and WB CQI, SBCQI, CRI.
  • the bit map of Table 6 includes C CSI parameters, such as PMI index i1/(i11/i12), i2, RI and WB CQI, SBCQI, CRI, beam index, beam offset, amplitude of beam linear combination,
  • C are taken as CSI parameter 1, CSI parameter 2, ..., CSI parameter C.
  • a CSI parameter corresponding to the bitmap includes consecutive K SBs having a value of 1, the K SBs can be aggregated into one partial bandwidth PB, and only one CSI is fed back on the PBs.
  • the values of the bit maps of SB1, SB2, SB3, and SB4 in the CSI parameter C in Table 6 are all 1, so the CSI parameters C on consecutive K SBs can be used.
  • To perform aggregation only one CSI parameter C is fed back. For example, when K is 2, SB1 and SB2 are aggregated into one PB1, and one CSI parameter C is fed back, and SB3 and SB4 are aggregated into one PB2, and a CSI parameter C is fed back.
  • the value of K is 4, then SB1 ⁇ SB4 are aggregated into one PB to feed back a CSI parameter C.
  • the size of K may be determined according to the capabilities of the UE or the configuration of the base station.
  • bit states in the bitmaps in Tables 1 to 6 herein are 1 and 0, where 1 indicates that the CSI parameter needs to be fed back on the SB or WB, and 0 indicates that the SB is on the SB or WB does not need to feed back CSI parameters.
  • this is only an agreement. In this document, if it is not specified, it is agreed in this way. However, other meanings may be agreed in other documents or methods. For example, 0 means that the CSI parameter needs to be fed back on the SB or WB, and 1 means that the CSI parameter is not required to be fed back on the SB or the WB.
  • the terminal receives the CSI parameter indication information configured by the terminal, that is, a bitmap, such as a bitmap in Tables 1 to 6.
  • the content of the C CSI parameters and the value of C may be determined by the receiving base station through high layer signaling, or may be agreed by the base station and the terminal.
  • the terminal determines the CSI parameters that need to be fed back through the CSI parameter indication information, and whether the CSI parameters are subband or wideband feedback, and on which subbands are fed back. For example, for one parameter in each CSI parameter set, such as CSI parameter 1 (i/i1/i11+i12), the row in which it is located looks for a column with a value of 1, thereby determining that it is on SB1 to SB4. It is 0, so that there is no need to feed back on the sub-bands SB1 - SB4, but only feedback on the WB is required. For example, the CSI parameter C (SB CQI or i2) has a value of 1 on SB1 to SB4, so the CSI parameter C needs to be measured and fed back on SB1 to SB4, respectively.
  • SB CQI or i2 the CSI parameter C needs to be measured and fed back on SB1 to SB4, respectively.
  • SBs with a value of 1 on consecutive K SBs may be aggregated, for example, SB1 and SB2 are aggregated into a partial bandwidth PB, and a CSI parameter C is fed back on this PB.
  • the value of K may be determined by the receiving base station by using a high-level signaling configuration, or determined by a manner agreed by the base station and the terminal, or determined according to the UE capability.
  • the parameters in the CSI parameter set may be classified according to the characteristics of the frequency domain feedback granularity of the parameter, such as RI, CRI, i1, and the feedback granularity is a broadband CSI.
  • Parameters sub-sets, and sub-band feedback i2, linear codebook combination phase information and other parameters can be combined into a sub-band CSI parameter subset.
  • the bit map can only contain sub-band CSI parameter sub-sets as shown in Table 7. There is no last-row WB bit map, or the wide-band CSI parameter sub-set is as shown in Table 8. There is only one column of WB bit maps for Indicates whether the corresponding CSI parameter requires feedback.
  • WB CSI parameter 1 0 CSI parameter 2 1 ... ... CSI parameter C-1 0 CSI parameter C 1
  • the preferred embodiment shows a bit map of CSI parameters and PB, and a bit map of CSI parameters and SB.
  • the wireless communication system of this embodiment includes at least one base station and at least one terminal (user).
  • the base station configures a channel state information parameter set (CSI parameter set), and the CSI parameter set includes C CSI parameters, where C is a positive integer, and the base station can use the high-level signaling or physical layer signaling to set C CSIs in the CSI parameter set.
  • the content of the parameter and the value of the C notification terminal may also determine the content of the C CSI parameters and the value of C by means of a method agreed by the base station and the terminal.
  • the C CSI parameters include, but are not limited to, channel RI, precoding matrix, PMI (including i/i1/i2/i11/i12, beam index, etc.), CQI, wideband CQI, subband CQI, CRI, and the like.
  • the maximum value of C can be determined by the base station itself, or can be determined according to the capabilities of the UE, and can also be determined according to the transmission mode.
  • the base station and the terminal determine the bandwidth of the system, including the Nrb physical resource blocks, by dividing the bandwidth of the system into Nsb sub-bands SB, and each SB includes more than one physical resource block.
  • the base station configures C CSI parameters, and indicates whether the C CSI parameters need feedback through the CSI parameter set indication information, whether it is partial bandwidth feedback or subband feedback, and part of the bandwidth feedback refers to a frequency domain including K subbands.
  • the CSI of a partial bandwidth is fed back in granularity, such as RI, CRI, etc.
  • the division of the PB, and the size may be determined by the base station, and configured to the terminal through high-level signaling, or may be determined by the terminal capability, or determined by the base station and the terminal. Or its size may be determined according to the bandwidth of the pilot of the CSI-RS (which may also be SRS or other reference pilot), that is, the bandwidth of the CSI-RS pilot is less than or equal to.
  • the CSI parameter set indication information is a bitmap, the row of the bitmap represents the CSI parameter, and the column represents the granularity (SB, PB) of the CSI parameter frequency domain feedback or the subband index of the SB/PB, where the bit map is Rows and columns can be interchanged.
  • SB granularity
  • Nsb 4
  • Nsb 5
  • the bit map of Table 9 (herein referred to as the second bit map) includes C CSI parameters, such as PMI index i1/(i11/i12), i2, RI and WB CQI, SBCQI, CRI, beam index, beam
  • C CSI parameters such as PMI index i1/(i11/i12), i2, RI and WB CQI, SBCQI, CRI, beam index, beam
  • the parameters related to CSI such as offset, amplitude of beam linear combination, amplitude of beam linear combination, channel covariance matrix, eigenvector of channel covariance matrix, etc., are not listed here.
  • C of these parameters which are represented as CSI parameter 1, CSI parameter 2, ..., CSI parameter C, and the column has only PB index.
  • the other values for M, and the number of SBs and divisions included in each PB can be similarly obtained.
  • the bit map in Table 9 may be further indicated by SB, that is, the third bit map is further configured, wherein the third bit map is in each PB, and the bit map has a value of 1 corresponding to A bitmap of the parameters and subband sets.
  • SB the bit map in Table 9
  • the bit maps for CSI parameter 2 and CSI parameter 4 and sub-band set 1 are shown in Table 10. .
  • the state in the bitmap corresponding to CSI parameter 3 and CSI parameter 4 takes a value of 1, then the bits for CSI parameter 3 and CSI parameter 4 and subband set 2 (such as SB2, SB3, SB4 corresponding to PB2). Figure. As shown in Table 11.
  • the state values in the bitmaps of Tables 10 and 11 are only an example, and may be configured by the base station as needed.
  • the subband set in Table 10 may only include partial subbands of PB1 (such as SB1 and SB2), or PB1 may only be a subset of subband set 1 (for example, SB1, SB2, SB3, SB4). ).
  • the subband set 2 may contain only one subset of the subbands of PB2, or PB2 may be only a subset of the subband set 2.
  • the terminal receives the CSI parameter indication information configured by the terminal, that is, a second bitmap and/or M third bitmaps, such as one bitmap in Table 9 to Table 11.
  • the content of the C CSI parameters and the value of C may be determined by the receiving base station through high layer signaling, or may be agreed by the base station and the terminal.
  • the terminal determines the CSI parameters that need to be fed back through the CSI parameter indication information, and whether the CSI parameters are subband or wideband feedback, and on which subbands are fed back.
  • the row in which it is located is searched for a row with a value of 1, thereby determining the CSI parameter that needs to be fed back, thereby calculating and
  • the feedback value of this PB is 1 corresponding CSI parameter.
  • CSI parameter 2 and CSI parameter 4 need to be calculated and fed back, while PB2 needs to calculate and feed back CSI parameter 3 and CSI parameter 4.
  • the row in which it is located looks for a row with a value of 1, thereby determining the CSI parameter that needs to be fed back, and further according to the The three-bit map determines which CSI parameters on the SB need to be calculated and fed back. For example, if the table 10 is checked, the CSI parameter 2 needs to be fed back on SB3, and the CSI parameter 4 needs to be fed back on SB1 and SB3. Similarly, for PB2, CSI parameter 3 needs to be fed back on SB3 and SB4, while CSI parameter 4 needs to be fed back on SB2 and SB3, SB4.
  • PB and WB contain the same number of physical resource blocks.
  • the number of subbands included in each PB may be determined by the base station itself and notified to the terminal by signaling, or may be determined according to the capabilities of the user, or determined according to the bandwidth of some reference signals, such as the sounding reference signal SRS, the channel state information reference signal CSI. -RS.
  • the preferred embodiment gives a CSI parameter bit map and indicates the attributes of each parameter (SB/WB/PB).
  • the base station sends the CSI parameter set indication information, where the CSI parameter set indication information is a bitmap, which is used to indicate the feedback granularity of the parameters in the CSI parameter set in the frequency domain, and whether feedback is needed.
  • the bitmap is a fourth bitmap whose line is a list of CSI parameters.
  • the first column indicates the name of the CSI parameter
  • the number 0 in the second column indicates that the corresponding CSI parameter does not require measurement and feedback
  • 1 indicates The corresponding CSI parameters do not require measurement and feedback.
  • the bitmap can also be represented in the form of a row, ie the column represents the name of the CSI parameter. When the base station is configured with parameters, there may be only a column of numbers, and the column of CSI parameter names is omitted.
  • CSI parameter 1 to CSI parameter C are all CSI parameters in the CSI parameter set, such as RI, CRI, beam index, precoding matrix index, phase index, amplitude index channel correlation matrix, and the like.
  • the size of C and the parameters included in the CSI parameter set may be configured by the base station through high layer signaling, or may be determined by the base station and the terminal by an agreed manner.
  • the frequency domain granularity (including WB, PB, SB) of each CSI parameter in the bitmap can be determined by an agreed way.
  • CRI, RI, i1, beam index, etc. can be broadband/partial bandwidth
  • SB CQI, i2 The parameters can be subband/partial bandwidth. It is also possible for the base station to notify the terminal through high layer signaling configuration.
  • the terminal receives the CSI parameter set indication information, such as the bitmap shown in Table 12, and determines which CSI parameters need to be measured and fed back through the bitmap, for example, measuring and feedbackting the CSI parameter corresponding to the number 1 in the bitmap. of.
  • the frequency domain granularity characteristic of each CSI parameter may be determined by the high layer signaling of the receiving base station configuration, or may be determined by the manner agreed by the base station and the terminal.
  • the preferred embodiment presents a bitmap of CSI parameters and time domain feedback.
  • the base station sends the CSI parameter set indication information, where the CSI parameter set indication information is a bitmap, which is used to indicate that the parameters in the CSI parameter set are in the time domain feedback mode, where the time domain feedback mode includes periodic feedback and aperiodic feedback. One or more of semi-continuous feedback.
  • the bit map is called a fourth bit map, its row is a CSI parameter list, and the column indicates a time domain feedback mode of CSI.
  • the fourth bit map for the C CSI parameters is shown in Table 13.
  • Periodic feedback Aperiodic feedback Semi-continuous feedback CSI parameter 1 0 1 0 CSI parameter 2 0 0 1 ... ... ... ... CSI parameter C-1 1 0 0 CSI parameter C 0 0 1
  • the CSI parameters 1 to CSI parameters C of the preferred embodiment are all CSI parameters in the CSI parameter set, such as RI, CRI, beam index, precoding matrix index, phase index, amplitude index channel correlation matrix, and the like.
  • the size of the C and the parameters included in the CSI parameter set may be configured by the base station through high layer signaling, or may be determined by the base station and the terminal by an agreed manner.
  • State 1 in the bitmap shows that the corresponding CSI parameters are fed back in the corresponding time domain feedback mode.
  • CSI parameter 1 is fed back by non-periodic feedback
  • CSI parameter 2 is fed back by semi-continuous feedback.
  • the terminal receives the CSI parameter set indication information, such as the bitmap shown in Table 13, and uses this bitmap to determine which CSI parameters are fed back in the time domain.
  • State 1 in the bitmap shows that the corresponding CSI parameters are fed back in the corresponding time domain feedback mode.
  • CSI parameter 1 is fed back by non-periodic feedback
  • CSI parameter 2 is fed back by semi-continuous feedback.
  • modules or steps of the present invention described above can be implemented by a general-purpose computing device that can be centralized on a single computing device or distributed across a network of multiple computing devices. Alternatively, they may be implemented by program code executable by the computing device such that they may be stored in the storage device by the computing device and, in some cases, may be different from the order herein.
  • the steps shown or described are performed, or they are separately fabricated into individual integrated circuit modules, or a plurality of modules or steps thereof are fabricated as a single integrated circuit module.
  • the invention is not limited to any specific combination of hardware and software.
  • the technical solution of the embodiment of the present invention may indicate, by using the channel state information parameter set indication information, a feedback state and/or a feedback mode of each channel state information parameter in the channel state information parameter set, so that the terminal may indicate according to the channel state information parameter set.
  • the feedback of the information about the channel state information is compared with the feedback content of the CSI in the prior art, and the transmission mode or the codebook version is no longer required to be dependent on the transmission mode or the codebook version, thereby making the CSI feedback content more flexible. Therefore, the problem that the feedback content of the CSI in the related art is inflexible can be solved, and the feedback requirement of the 5G or future unlimited communication technology can be adapted.

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  • Engineering & Computer Science (AREA)
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  • Mathematical Physics (AREA)
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Abstract

Selon certains modes de réalisation, la présente invention concerne un procédé et un dispositif de transmission d'informations, un procédé et un dispositif de traitement d'informations, un appareil, un terminal et un support de stockage. Le procédé de transmission d'informations consiste à : déterminer des informations d'indication d'ensemble de paramètres d'informations d'état de canal, les informations d'indication d'ensemble de paramètres d'informations d'état de canal étant utilisées pour indiquer l'état de rétroaction et/ou le mode de rétroaction de chaque paramètre d'informations d'état de canal d'un ensemble de paramètres d'informations d'état de canal ; et envoyer les informations d'indication d'ensemble de paramètres d'informations d'état de canal.
PCT/CN2018/079503 2017-03-24 2018-03-19 Procédé et dispositif de transmission d'informations, procédé et dispositif de traitement d'informations, appareil, terminal et support de stockage Ceased WO2018171562A1 (fr)

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