WO2018219068A1

WO2018219068A1 - Channel state information processing method and apparatus, terminal, and base station

Info

Publication number: WO2018219068A1
Application number: PCT/CN2018/084247
Authority: WO
Inventors: 杨玲; 赵亚军; 徐汉青; 李新彩
Original assignee: 中兴通讯股份有限公司
Priority date: 2017-05-27
Filing date: 2018-04-24
Publication date: 2018-12-06
Also published as: CN108933648B; CN108933648A

Abstract

Provided in the present invention are a channel state information processing method and apparatus, a terminal, and a base station. The method comprises: receiving configuration information; the configuration information comprising at least one of the following: measurement resource configuration information, and channel state information report configuration information; according to the configuration information, executing at least one of the following operations: measuring channel state information on a measurement resource indicated in the measurement resource configuration information, measuring channel state information on a resource corresponding to an indicated reference signal carried in measurement reference signal information indicated by the measurement resource configuration information, or feeding back measured channel state information on a reporting resource according to a reporting rule indicated by the channel state information reporting configuration information.

Description

Method and device for processing channel state information, terminal, base station

Cross-reference to related applications

The present application is based on a Chinese patent application filed on Jan. 27, 2017, the entire disclosure of which is hereby incorporated by reference.

Technical field

The present invention relates to the field of communications, and in particular, to a method and apparatus for processing channel state information, a terminal, and a base station.

Background technique

At present, the physical layer technology of New Radio (NR) is in the hot discussion of the 3rd Generation Partnership Project (3GPP) RAN1. Compared with the existing Long Term Evolution (LTE), the NR physical layer pursues a more flexible and efficient design goal or purpose. Based on this, the flexible resource allocation method seems to be an important trend. This is because the resource allocation mode supported by the existing LTE cannot flexibly adapt to the dynamic change of the service load.

For LTE FS1, 10 subframes are all used for uplink transmission or all for downlink transmission. This frame structure can only be used in the Frequency Division Dual (FDD) mode. For LTE FS2, each subframe can be used for one of uplink, downlink, and special subframes, and is configured with a fixed DL and UL ratio. This structure can only be used for Time Division Dual (TDD). The existing two frame structures cannot flexibly adapt to the flexible changes of the traffic load. Based on this, the new wireless (New Radio, NR for short) introduces the problem of flexible duplexing, that is, different devices can flexibly use the configured resources for uplink or downlink transmission, which makes the system performance significantly improved. .

However, with the flexible configuration of resources, strong Cross Link Interference (CLI) will be generated, for example, different transmissions are used on the same or overlapping time-frequency resources for adjacent different cells. In the case of link direction, strong cross-link interference occurs, resulting in a significant drop in system performance. The cross-link interference includes: interference between the terminal and the terminal, and interference between the base station and the base station. Specifically, the interference between the terminal and the terminal means that one terminal performs uplink transmission, and the other terminal of the adjacent cell performs downlink reception. At this time, from the perspective of the transmitting side, the downlink information sent by the neighboring cell may interfere with the transmission of the terminal, and/or the uplink receiving of the terminal serving cell. From the perspective of the receiving side, the uplink information of the terminal performing the uplink transmission may interfere with the reception of the terminal that the neighboring cell is receiving the downlink information. Similarly, the interference between the base station and the base station is the same.

Optionally, on a flexible subframe, since the transmission direction of the neighboring cell is flexible, and the cell may have one or more strong interference neighboring cells, the type of interference received by the cell may also be different. Specifically, in different downlink subframes, the actual channel conditions are significantly different due to different neighboring interferences, and the downlink channel state information (DL) is measured on a certain downlink subframe. CSI) is not suitable for other downlink subframes with different neighbor interference conditions. For example, the CSI measured on a flexible downlink subframe is not applicable to other dynamic downlink subframes. Similarly, the CSI measured on a fixed downlink subframe is not applicable to flexible downlink subframes. The CSI measured on the Multicast Broadcast Single Frequency Network (MBSFN) subframe is not applicable to other MBSFN subframes. Based on this, how to obtain accurate channel measurement information and/or feedback information is one of the technical problems to be solved.

Summary of the invention

The embodiment of the invention provides a method and a device for processing channel state information, a terminal, and a base station.

According to an embodiment of the present invention, a method for processing channel state information is provided, including: receiving configuration information; wherein, the configuration information includes at least one of: measurement resource configuration information, channel state information report configuration information; and configuration information according to configuration information Performing at least one of the following steps: measuring channel state information on the measurement resource indicated by the measurement resource configuration information, and measuring channel state information on the indicated reference signal corresponding resource carried in the measurement reference signal information indicated by the measurement resource configuration information And reporting the measured channel state information on the reporting resource according to the reporting rule indicated by the channel state information reporting configuration information.

According to an embodiment of the present invention, a method for processing channel state information is provided, including: transmitting configuration information, where the configuration information includes at least one of: measurement resource configuration information, channel state information report configuration information; The resource configuration information is used by the terminal to measure the channel state information on the measurement resource indicated by the measurement resource configuration information, where the channel state information report configuration information is used by the terminal to feed back the measured channel state on the reporting resource according to the reporting rule indicated by the channel state information report configuration information. information.

According to an embodiment of the present invention, a device for processing channel state information includes: a receiving module configured to receive configuration information; wherein the configuration information includes at least one of: measurement resource configuration information, channel state information report configuration And an operation module, configured to perform, according to the configuration information, at least one of: measuring channel state information on the measurement resource indicated by the measurement resource configuration information, and indicating the carried in the measurement reference signal information indicated by the measurement resource configuration information The channel state information is measured on the resource corresponding to the reference signal, and the channel state information that is measured and fed back on the reporting resource according to the reporting rule indicated by the channel state information reporting configuration information.

According to an embodiment of the present invention, a device for processing channel state information is provided, including: a sending module, configured to send configuration information; wherein the configuration information includes at least one of: measurement resource configuration information, channel state information report configuration The measurement resource configuration information is used by the terminal to measure the channel state information on the measurement resource indicated by the measurement resource configuration information, where the channel state information report configuration information is used by the terminal to report the report according to the reporting rule indicated by the channel state information report configuration information. Feedback measured channel state information.

According to an embodiment of the present invention, a terminal is provided, including: a processor configured to receive configuration information; wherein the configuration information includes at least one of: measurement resource configuration information, channel state information report configuration information; and The information is performed by performing at least one of the following: measuring the channel state information on the measurement resource indicated by the measurement resource configuration information, and measuring the channel on the resource corresponding to the indicated reference signal carried in the measurement reference signal information indicated by the measurement resource configuration information The status information is used to report the measured channel state information on the reporting resource according to the reporting rule indicated by the channel state information reporting configuration information; the memory is coupled to the processor.

According to an embodiment of the present invention, a base station is provided, including: a processor, configured to send configuration information, where the configuration information includes at least one of: measurement resource configuration information, channel state information report configuration information; The resource configuration information is used by the terminal to measure the channel state information on the measurement resource indicated by the measurement resource configuration information, where the channel state information report configuration information is used by the terminal to feed back the measured channel state on the reporting resource according to the reporting rule indicated by the channel state information report configuration information. Information; a memory coupled to the processor.

According to still another embodiment of the present invention, there is also provided a storage medium comprising a stored program, wherein the program is executed to perform the method of any of the above.

According to still another embodiment of the present invention, there is also provided a processor for running a program, wherein the program is executed to perform the method of any of the above.

The embodiment of the present invention provides a method for processing channel state information adapted to a flexible duplex system, that is, performing corresponding operations by using the received configuration information, and the configuration information is adapted to the currently configured subframe structure. For example, the configuration information formed according to the currently configured subframe structure, such as by measuring channel state information on the measurement resource indicated by the received measurement resource configuration information, is carried in the measurement reference signal information indicated by the measurement resource configuration information. The measured channel state information on the resource corresponding to the indicated reference signal, and the channel state information fed back on the reporting resource according to the reporting rule indicated by the channel state information reporting configuration information is adapted to the currently configured subframe result. It is possible to accurately measure the channel state information and/or feedback information of the currently configured subframe, so that the channel state information measurement and feedback can be applied to the flexible duplex system, and thus, more accurate channel measurement information and/or feedback can be obtained. information.

DRAWINGS

The drawings described herein are intended to provide a further understanding of the invention, and are intended to be a part of the invention. In the drawing:

1 is a block diagram showing the hardware structure of a mobile terminal for processing a channel state information according to an embodiment of the present invention;

2 is a flowchart of a method of processing channel state information according to an embodiment of the present invention;

3 is a schematic flowchart of a method for processing channel state information according to an embodiment of the present invention;

4 is a structural block diagram 1 of a processing apparatus for channel state information according to an embodiment of the present invention;

5 is a structural block diagram 2 of a processing apparatus for channel state information according to an embodiment of the present invention;

FIG. 6 is a schematic structural diagram of a terminal according to an embodiment of the present invention;

FIG. 7 is a schematic structural diagram of a base station according to an embodiment of the present invention;

FIG. 8 is a schematic diagram of a first manner according to an embodiment of the present invention; FIG.

FIG. 9 is a schematic diagram of a second mode according to an embodiment of the present invention; FIG.

FIG. 10 is a schematic diagram of a third manner according to an embodiment of the present invention; FIG.

FIG. 11 is a schematic diagram of a fourth method according to an embodiment of the present invention.

detailed description

The invention will be described in detail below with reference to the drawings in conjunction with the embodiments. It should be noted that the embodiments in the present application and the features in the embodiments may be combined with each other without conflict.

It is to be understood that the terms "first", "second" and the like in the specification and claims of the present invention are used to distinguish similar objects, and are not necessarily used to describe a particular order or order.

The method embodiments provided by the embodiments of the present application may be implemented in a mobile terminal, a computer terminal, or the like. Taking a mobile terminal as an example, FIG. 1 is a hardware structural block diagram of a mobile terminal for processing a channel state information according to an embodiment of the present invention. As shown in FIG. 1, the mobile terminal 10 may include one or more (only one shown) processor 102 (the processor 102 may include, but is not limited to, a processing device such as a microprocessor MCU or a programmable logic device FPGA). A memory 104 for storing data, and a transmission device 106 for communication functions. It will be understood by those skilled in the art that the structure shown in FIG. 1 is merely illustrative and does not limit the structure of the above electronic device. For example, the mobile terminal 10 may also include more or fewer components than those shown in FIG. 1, or have a different configuration than that shown in FIG.

The memory 104 can be used to store software programs and modules of the application software, such as program instructions/modules corresponding to the processing method of the channel state information in the embodiment of the present invention, and the processor 102 runs the software program and the module stored in the memory 104, thereby The above methods are implemented by performing various functional applications and data processing. Memory 104 may include high speed random access memory, and may also include non-volatile memory such as one or more magnetic storage devices, flash memory, or other non-volatile solid state memory. In some examples, memory 104 may further include memory remotely located relative to processor 102, which may be connected to mobile terminal 10 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 106 is for receiving or transmitting data via a network. The above-described network specific example may include a wireless network provided by a communication provider of the mobile terminal 10. In one example, the transmission device 106 includes a Network Interface Controller (NIC) that can be connected to other network devices through a base station to communicate with the Internet. In one example, the transmission device 106 can be a Radio Frequency (RF) module for communicating with the Internet wirelessly.

In this embodiment, a method for processing channel state information of the mobile terminal is provided. FIG. 2 is a flowchart of a method for processing channel state information according to an embodiment of the present invention. As shown in FIG. 2, the process includes The following steps:

Step S202, receiving configuration information, where the configuration information includes at least one of the following: measurement resource configuration information, and channel state information report configuration information;

Step S204, performing at least one of the following operations: measuring channel state information on the measurement resource indicated by the measurement resource configuration information, and corresponding to the indicated reference signal carried in the measurement reference signal information indicated by the measurement resource configuration information The channel state information is measured on the resource, and the channel state information that is measured and fed back on the reporting resource according to the reporting rule indicated by the channel state information reporting configuration information. In this embodiment, the configuration information is formed according to a flexible configuration subframe structure of the local cell and/or the neighboring cell. Different subframe structures may correspond to different configuration information.

Through the foregoing steps, the corresponding operation is performed by using the received configuration information, for example, by measuring channel state information on the measurement resource indicated by the received measurement resource configuration information, and carrying the measurement reference signal information indicated by the measurement resource configuration information. The channel state information is measured on the resource corresponding to the indicated reference signal, and the channel state information that is measured and reported on the reporting resource according to the reporting rule indicated by the channel state information reporting configuration information, so that the channel state information measurement and feedback can be applied to the flexible duplex The system, therefore, can solve the problem that the CSI channel measurement and feedback in the related art is no longer applicable to the flexible duplex system, thereby satisfying the flexible duplex system.

It should be noted that the foregoing measurement resource configuration information may include at least one of the following, but is not limited thereto: a subframe position of the measurement resource; an interval or period between measurement resources; a subframe type of the measurement resource; a time window of the measurement resource Measuring reference signal information; measuring frequency domain resources on the resource; measuring request indication information; wherein the frequency domain resources comprise at least one of: one or more narrowbands; one broadband; one or more physical resource blocks PRB; Multiple physical resource groups RBG; one or more resource particles RE; one or more resource particle groups REG.

It should be noted that the foregoing measurement request indication information is used to request the measurement indication information, and may be used, for example, to request indication information based on the indicated reference signal carried in the measurement reference signal information, but is not limited thereto. .

It should be noted that the foregoing subframe type may include at least one of the following, but is not limited thereto: a fixed downlink subframe; a flexible subframe; a single frequency network multicast/broadcast MBSFN subframe.

It should be noted that the foregoing flexible subframe may include at least one of the following, but is not limited thereto: a downlink subframe; an uplink subframe; an uplink dominant self-contained subframe; and a downlink dominant self-contained subframe.

It should be noted that the subframe position of the foregoing measurement resource may include at least one of the following: a periodic measurement subframe position; and an aperiodic measurement subframe position.

It should be noted that the channel state information report configuration information may include at least one of the following, but is not limited to: the channel state information on which type of subframe is reported, and the corresponding frequency domain resource is reported on the PUSCH or the PUCCH. It should be noted that the foregoing reporting rule may include: reporting channel state information on which type of subframe, reporting channel state information and the like on any resource, but is not limited thereto.

In an embodiment of the present invention, for the periodic measurement subframe position, the periodic measurement subframe position may be determined by at least one of the following parameters: measuring a starting position or an offset of the subframe; and measuring a period; The starting position of the measurement subframe within the time window; the length of the time window; the measurement subframe interval within the time window.

It should be noted that, the measurement start position of the subframe, or at least one parameter used to determine the start position of the measurement subframe may be determined by at least one of the following: physical layer downlink control information DCI signaling; Resource control RRC signaling; the base station and the terminal agree in advance on the manner in which the start position of the measurement subframe or the parameter for determining at least one of the measurement subframe start positions; the start position of the predefined measurement subframe or used to determine the measurement At least one parameter of the start position of the subframe.

It should be noted that, at a periodic measurement subframe position, at least one of the following operations is performed: measuring channel state information on a periodic measurement subframe corresponding to a periodic measurement subframe position; and measuring periodically When the periodic measurement subframe corresponding to the subframe position is the first designated subframe type, the channel state information is measured on the periodic measurement subframe; the periodic measurement component corresponding to the periodic measurement subframe position In the case where the frame includes the specified measurement reference signal, the channel state information is measured using the specified measurement reference signal on the periodic measurement subframe.

In an embodiment of the present invention, for the aperiodic measurement subframe position, the aperiodic measurement subframe position may be determined by at least one of: according to the first method for triggering measurement on channel state information. The subframe index n where the DCI signaling is located determines the aperiodic measurement subframe position according to the n+k timing relationship; where k is a positive integer or a positive integer set greater than or equal to 0, and n is a positive integer greater than 0. Determining an aperiodic measurement subframe position by means of the second DCI signaling indicating aperiodic measurement of the subframe position; and periodically measuring the subframe after triggering the first DCI signaling for measuring the channel state information The location is determined to be an aperiodic measurement subframe position; the aperiodic measurement subframe position is determined by the third DCI signaling trigger and/or the indicated measurement subframe position.

It should be noted that, the third DCI signaling triggering and/or the indicated measurement subframe position determining the aperiodic measurement subframe position may be expressed as: the measurement subframe position is preset, and is received for receiving After triggering and/or indicating third DCI signaling for measuring channel state information, determining the measured subframe position determined in advance as an aperiodic measurement subframe position; that is, receiving the third DCI After the signaling, the above-mentioned preset measurement subframe position is activated.

It should be noted that the above k is included in the DCI signaling for triggering measurement on the channel state information, that is, k is included in the first DCI, but is not limited thereto.

In an embodiment of the present invention, the measurement reference signal information may include at least one of the following, but is not limited thereto: a reference signal type; a subframe position of the reference signal; an interval or a period of the reference signal; a symbol position of the reference signal Or a set of symbol positions; a number of time domain symbols of the reference signal; a pattern of the reference signal; a frequency domain pattern of the reference signal; a frequency domain start position of the reference signal; a frequency domain resource number of the reference signal; and a frequency domain resource of the reference signal Interval; the frequency domain pattern corresponding to the symbol position of the reference signal; the pattern of the zero power reference signal; the pattern of the non-zero power reference signal.

It should be noted that the foregoing measurement reference signal information may further include at least one of the following, but is not limited thereto: reference signal information of the serving cell; reference signal information of a neighboring cell adjacent to the serving cell; adjacent to the serving cell Reference signal information of a terminal in a neighboring cell.

It should be noted that the reference signal type may include at least one of the following: a downlink reference signal, an uplink reference signal, and an uplink and downlink unified reference signal.

In an embodiment of the present invention, before the step S202, the method may further include: the base station interacting with the neighboring base station to measure resources and/or measurement reference signal information.

It should be noted that the subframe position of the foregoing measurement signal may be the same as the subframe position of the measurement subframe used for measuring the channel state information, or may be different, or may not be completely different, and is not limited thereto.

It should be noted that the subframe position of the reference signal may include at least one of: a subframe position of the periodic reference signal; and a subframe position of the aperiodic reference signal.

It should be noted that the subframe position of the foregoing periodic reference signal may be determined by at least one of the following parameters, but is not limited thereto: a starting position or an offset; a period; a starting position in a time window; a time window length The reference signal position interval or period within the time window.

It should be noted that the subframe position of the periodic reference signal, or at least one parameter of the subframe position used to determine the periodic reference signal is determined by at least one of the following manners, but is not limited thereto: physical layer downlink control Information DCI signaling; high-level radio resource control RRC signaling; base station and terminal pre-arranging a subframe position of a periodic reference signal, or at least one parameter for determining a subframe position of a periodic reference signal; predefined periodicity The subframe position of the reference signal or at least one of the parameters of the subframe position used to determine the periodic reference signal.

It should be noted that, at a subframe position of the periodic reference signal, at least one of the following operations is performed, but is not limited thereto: the channel state information is measured on a subframe corresponding to the subframe position of the periodic reference signal; When the subframe corresponding to the subframe position of the periodic reference signal is the second designated subframe type, the channel state information is measured on the subframe corresponding to the subframe position of the periodic reference signal; the subframe of the periodic reference signal In a case where the subframe corresponding to the location includes the periodic reference signal, the channel state information is measured on the subframe corresponding to the subframe position of the periodic reference signal.

In an embodiment of the present invention, the subframe position of the aperiodic reference signal may be determined by at least one of the following manners, but is not limited thereto: according to the fourth DCI signaling used to trigger measurement on the channel state information. a subframe index t, determining a subframe position of the aperiodic reference signal according to a t+k1 timing relationship; wherein k1 is a positive integer or a positive integer set greater than or equal to 0, t is a positive integer; and the fifth DCI letter is passed Determining a subframe position of the aperiodic reference signal in a manner indicating a subframe position of the aperiodic reference signal; determining a subframe position of the periodic reference signal after the fourth DCI signaling for measuring the channel state information The subframe position of the aperiodic reference signal is determined by the sixth DCI signaling trigger and/or the indicated reference signal information.

It should be noted that k1 may be included in the third DCI signaling used to trigger measurement of channel state information.

It should be noted that the sixth DCI signaling used for triggering and/or indicating reference signal information further includes at least one of: a symbol position of the reference signal; a frequency domain pattern of the reference signal; a symbol index and a frequency domain pattern. Correspondence relationship; the corresponding index or correspondence between the number of indicator symbols and the frequency domain pattern; the correspondence between the symbol index and the frequency domain pattern index; port.

In an embodiment of the invention, the method further comprises: performing measurements on the configured non-zero power reference signal pattern resources, and/or performing measurements on the configured zero power reference signal pattern resources.

In one embodiment of the invention, the base station is vacant or silent or does not transmit or not transmit resources corresponding to the zero power reference signal pattern.

In an embodiment of the present invention, the reporting resource is determined by at least one of the following: determining the reporting resource by measuring the location of the resource, and determining the reporting resource by measuring the location of the reference signal.

It should be noted that determining the reporting resource by the location of the measurement resource includes at least one of the following, but is not limited thereto: determining the location of the reported resource according to the timing relationship m1+k2 according to the location index m1 of the measurement resource, where m1 is positive An integer, k2 is a positive integer or a positive integer set greater than or equal to 0; a R1 physical uplink control channel PUCCH after the location of the measurement resource is used as a location of the reported resource, where R1 is a positive integer greater than or equal to 0; The R2 physical uplink shared channel PUSCH after the location of the measurement resource is used as the location of the reporting resource, where R2 is a positive integer greater than or equal to 0; according to the DCI signaling used to trigger and/or determine the location of the measurement resource The resource location information of the reported resource carried in the middle, and the resource location of the reported resource is determined.

It should be noted that determining the reporting resource by measuring the position of the reference signal may include at least one of the following, but is not limited thereto: determining the location of the reported resource according to the timing relationship m2 + k3 according to the measurement reference signal position index m2, where M2 is a positive integer, k3 is a positive integer or a positive integer set greater than or equal to 0; the R3 physical uplink control channel PUCCH after measuring the position of the reference signal is determined as the location of the reported resource, where R3 is greater than or equal to a positive integer of 0; the R4 physical uplink shared channel PUSCH after measuring the position of the reference signal is determined as a location of the reported resource, where R4 is a positive integer greater than or equal to 0; according to the trigger for determining and/or determining The resource location information of the reported resource carried in the DCI signaling of the location of the reference signal determines the location of the reported resource.

It should be noted that k2 is predefined or indicated by DCI signaling.

It should be noted that k3 is predefined or indicated by DCI signaling.

It should be noted that the reporting resource may include at least one of the following: a resource that periodically reports channel state information; and a resource that periodically reports channel state information.

It should be noted that the resource for the aperiodic reporting of channel state information may be a reporting resource determined based on the received specified information for triggering channel state information feedback, but is not limited thereto. It should be noted that the above specified information may be included in the DCI.

It should be noted that the foregoing DCI may include at least one of the following, but is not limited to: scheduling DCI of the physical uplink shared channel PUSCH, scheduling DCI of the physical downlink shared channel PDSCH, sharing Common DCI, group Group DCI, and proprietary specific DCI.

It should be noted that the resource for periodically reporting channel state information may be determined by at least one of the following parameters, but is not limited thereto: a starting resource location; an offset; a period; a time window.

It should be noted that, on the resource that periodically reports the channel state information, performing at least one of the following operations: performing a feedback operation on the resource periodically reporting the channel state information; and periodically reporting the resource of the channel state information as a physical uplink In the case of the control channel, a feedback operation is performed; in the case where the resource periodically reporting the channel state information is a physical uplink shared channel, a feedback operation is performed; and the channel state information is specified last time before the resource of the channel state information is periodically reported. In the case of a subframe type, a feedback operation is performed.

It should be noted that the resource for aperiodic reporting of channel state information may be determined by at least one of the following: according to the subframe index t where the fifth DCI signaling used for triggering the channel state information reporting, according to the t+k3 timing relationship Determining a resource for aperiodic reporting of channel state information, t is a positive integer, k3 is a positive integer or a positive integer set greater than or equal to 0; indicating a subframe position of reporting channel state information by using the sixth DCI signaling, determining a non-period The resource for reporting channel state information is determined; the resource for aperiodic reporting of channel state information is determined according to the Pth PUSCH or PUCCH location after the fifth DCI signaling used for triggering the channel state information reporting, where P is greater than or equal to An integer or a set of integers of 0; determining a resource for aperiodic reporting of channel state information according to the channel state information reported by the DCI signaling and/or the indicated channel state information.

It is to be noted that the subframe position of the measurement resource is determined by the resource location of the reporting resource, where the subframe position of the measurement resource is determined by the resource location of the reporting resource, including at least one of the following, but is not limited thereto: according to the reporting resource The subframe position index x1 is determined according to the timing relationship x1-y1, and the subframe position of the measurement resource is determined; the subframe position corresponding to the specific subframe type before the subframe position index x1 of the reporting resource is determined as the subframe position of the measurement resource. Where x1, y1 are all integers greater than zero.

It should be noted that the location of the measurement reference signal is determined by the resource location of the reporting resource, where the location of the measurement reference signal is determined by the resource location of the reporting resource, including at least one of the following, but is not limited thereto: according to the subframe of the reporting resource The position index x2 determines the position of the measurement reference signal according to the timing relationship x2-y2; and determines the position of the subframe corresponding to the specific subframe type before the subframe position index x2 of the reported resource as the position of the measurement reference signal.

It should be noted that the channel state information includes at least one of the following, but is not limited thereto: the channel quality indication CQI on at least one of the following subframes: a fixed downlink subframe, a flexible subframe, and a single frequency network multicast/broadcast MBSFN a downlink subframe corresponding to at least one of a subframe and a class of N; a CQI corresponding to one or more frequency domain resources specified or configured on at least one of the following subframes: a fixed downlink subframe, a flexible subframe, and a single frequency network Broadcasting/broadcasting an MBSFN subframe, a downlink subframe of at least one of the N classes; an index of the frequency domain resource and a CQI of the frequency domain resource corresponding to the index; a CQI of the frequency domain resource corresponding to the subframe type and the subframe type; and a frequency domain a CQI of a frequency domain resource corresponding to at least one of the N types of subframes; a CQI of the frequency domain resource corresponding to one or more subframes of the measurement resource; Measure a CQI of a frequency domain resource corresponding to at least one of the N types of subframes of the resource; where the frequency domain resource includes at least one of the following: a broadband, a narrowband, a PRB, an RBG, an RE, and a REG; wherein, N is greater than An integer of 0.

It should be noted that the CQI of the frequency domain resource corresponding to the index may include at least one of the following, but is not limited thereto: the CQI on the first broadband, the first broadband is composed of all the broadband corresponding to the index of the broadband; the broadband is narrowband The narrowband is composed of all the PRBs corresponding to the index of the PRB or all the RBGs corresponding to the index of the RBG; the PRB is composed of all the REs corresponding to the index of the RE, and the RBG is composed of all the REGs corresponding to the index of the REG.

It should be noted that the CQI of the frequency domain resource corresponding to the subframe type may include at least one of the following, but is not limited thereto: the CQI on the second broadband, and the second broadband is composed of all frequency domain resources corresponding to the subframe type.

It should be noted that the foregoing CQI may include at least one of the following, but is not limited thereto: an absolute value CQI; a relative value CQI; an extended CQI.

It should be noted that the interference link direction information is obtained by using the SINR or the CQI value corresponding to the CQI, and may include at least one of the following: a positive SINR indicates that there is cross-link interference or no cross-link interference; The SINR indicates that there is no cross-link interference or there is cross-link interference; a CQI value greater than or equal to a predetermined value or located in a predetermined interval indicates that there is cross-link interference.

It should be noted that the foregoing CSI may further include at least one of the following: a precoding matrix indication PMI on the measurement resource; a precoding type indication PTI on the measurement resource; a rank indication RI on the measurement resource; and one of the measurement resources Or at least one of the following types of sub-frames: interference link direction, strong interference source, weak interference source, first M strong interference sources, first M weak interference sources, strong cross-link interference sources, weak cross-chain Path interference source, the first M strong cross-link interference sources, the first M weak cross-link interference sources, the interference strength of adjacent devices, the device identification of strong interference, the interference strength of devices with strong interference, and the device identification of weak interference The interference strength of weakly interfered devices, the device identification of the first M strong cross-link interferences, the interference strength of the devices of the first M cross-link interferences, the device identification of the first M weak cross-link interferences, and the former M weak Interference strength of devices that cross-link interference, strong interference transmit and receive beam identification, weak interference transmit and receive beam identification; subframe type; index of frequency domain resources. Wherein M or N is an integer greater than or equal to 1.

It should be noted that the strong interference source is an interference source whose interference strength is greater than a first predetermined threshold, and the weak interference source is an interference source whose interference strength is less than or equal to a first predetermined threshold, and the strong cross-link interference source is cross-link interference. The interference source whose strength is greater than the second predetermined threshold, wherein the weak cross-link interference source is an interference source whose cross-link interference strength is less than or equal to a second predetermined threshold; the interference strength is greater than a third predetermined threshold, which is called strong interference, and the interference strength is Less than or equal to the fourth predetermined threshold, referred to as weak interference; likewise, the cross-link interference strength is greater than the fourth predetermined threshold may be considered as strong cross-link interference, and the cross-link interference strength is less than or equal to the fourth predetermined threshold may be considered weak Cross-link interference is not limited to this.

It should be noted that the first predetermined threshold, the second predetermined threshold, the third predetermined threshold, and the fourth predetermined threshold may be the same, may be partially the same, or may be different from each other, and are not limited thereto. A predetermined threshold, a second predetermined threshold, a third predetermined threshold, and a fourth predetermined threshold may be defined according to actual conditions, and are not limited thereto.

Optionally, the execution body of the foregoing steps may be a terminal, but is not limited thereto.

Through the description of the above embodiments, those skilled in the art can clearly understand that 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. Based on such understanding, 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.

The embodiment of the present invention further provides a method for processing channel state information. FIG. 3 is a schematic flowchart of a method for processing channel state information according to an embodiment of the present invention. As shown in FIG. 3, the method includes:

Step S302, obtaining configuration information.

Step S304, the foregoing configuration information is sent, where the configuration information includes at least one of: measurement resource configuration information, and channel state information report configuration information; wherein the measurement resource configuration information is used by the terminal to measure on the measurement resource indicated by the measurement resource configuration information. The channel state information and the channel state information report configuration information are used by the terminal to feed back the measured channel state information on the reporting resource according to the reporting rule indicated by the channel state information reporting configuration information.

Through the above steps, by transmitting the foregoing configuration information, the terminal can perform a corresponding operation according to the received configuration information, for example, by measuring channel state information on the measurement resource indicated by the received measurement resource configuration information, and receiving the measurement resource. The channel state information measured on the resource indicated by the measurement reference signal information, and the channel state information fed back on the reporting resource according to the reporting rule indicated by the channel state information reporting configuration information, so that the channel state information measurement and feedback can be applied to the flexible The duplex system, therefore, can solve the problem that the CSI channel measurement and feedback in the related art is no longer suitable for the flexible duplex system, thereby satisfying the flexible duplex system.

It should be noted that the foregoing step S304 may be performed separately or in combination with the above step S302, and is not limited thereto.

Optionally, the measurement resource configuration information includes at least one of: measuring a subframe position of the resource; measuring an interval or a period between resources; measuring a subframe type of the resource; measuring a time window of the resource; measuring reference signal information; Frequency domain resource; measurement request indication information; wherein the frequency domain resource comprises at least one of: one or more narrowbands; one broadband; one or more physical resource blocks PRB; one or more physical resource groups RBG; Multiple resource particles RE; one or more resource particle groups REG.

In an embodiment of the present invention, before the step S304, the method may further include: interacting with the neighboring base station to measure resource and/or measurement reference signal information.

It should be noted that k2 is predefined or indicated by DCI signaling.

It should be noted that k3 is predefined or indicated by DCI signaling.

It should be noted that at least one of the following operations is performed on the resource that periodically reports the channel state information: the information state information fed back by the terminal is received on the resource that periodically reports the channel state information; and the channel state information is periodically reported. When the resource is a physical uplink control channel, the information state information fed back by the terminal is received; when the resource periodically reporting the channel state information is a physical uplink shared channel, the information state information fed back by the terminal is received; and the channel state is periodically reported. The information state information fed back by the receiving terminal in the case where the resource of the information is the last time the channel state information is measured is the designated subframe type.

It should be noted that the interference link direction information is obtained by using the SINR or the CQI value corresponding to the CQI, and may include at least one of the following: a positive SINR indicates that there is cross-link interference or no cross-link interference; The SINR indicates that there is no cross-link interference or there is cross-link interference; a CQI value greater than or equal to a predetermined value or a predetermined interval indicates that there is cross-link interference.

It should be noted that the execution body of the foregoing steps may be a base station, but is not limited thereto.

In the present embodiment, a device for processing channel state information is provided, which is used to implement the foregoing embodiments and preferred embodiments, and is not described herein again. As used below, the term "module" may implement a combination of software and/or hardware of a predetermined function. Although 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 1 of a processing apparatus for channel state information according to an embodiment of the present invention. As shown in FIG. 4, the apparatus includes:

The receiving module 42 is configured to receive configuration information, where the configuration information includes at least one of the following: measurement resource configuration information, and channel state information report configuration information;

The operation module 44 is connected to the receiving module 42 and configured to perform at least one of: measuring channel state information on the measurement resource indicated by the measurement resource configuration information, and measuring the reference signal indicated by the measurement resource configuration information according to the configuration information. The channel state information on the resource corresponding to the indicated reference signal carried in the information, and the channel state information fed back on the reporting resource according to the reporting rule indicated by the channel state information reporting configuration information.

Performing a corresponding operation by using the received configuration information, for example, by measuring channel state information on the measurement resource indicated by the received measurement resource configuration information, and carrying the measurement reference signal information indicated by the measurement resource configuration information The channel state information is measured on the resource corresponding to the indicated reference signal, and the channel state information that is measured and reported on the reporting resource according to the reporting rule indicated by the channel state information reporting configuration information, so that the channel state information measurement and feedback can be applied to the flexible duplex The system, therefore, can solve the problem that the CSI channel measurement and feedback in the related art is no longer applicable to the flexible duplex system, thereby satisfying the flexible duplex system.

It should be noted that, the foregoing measurement resource configuration information may include at least one of the following, but is not limited thereto: measuring a subframe position of a resource; measuring an interval or a period between resources; and measuring a subframe type of the resource; Measuring a time window of the resource; measuring reference signal information; measuring frequency domain resources on the resource; measuring request indication information; wherein the frequency domain resource comprises at least one of: one or more narrowbands; one broadband; one or more physical resources Block PRB; one or more physical resource groups RBG; one or more resource particles RE; one or more resource particle groups REG.

It should be noted that the foregoing operation module 44 is further configured to perform at least one of the following operations on the periodic measurement subframe position: measuring the channel on the periodic measurement subframe corresponding to the periodic measurement subframe position. Status information; in the case that the periodic measurement subframe corresponding to the periodic measurement subframe position is the first designated subframe type, the channel state information is measured on the periodic measurement subframe; the periodic measurement subframe When the periodic measurement subframe corresponding to the location includes the specified measurement reference signal, the channel state information is measured by using the specified measurement reference signal on the periodic measurement subframe.

It should be noted that the foregoing operation module 44 may be further configured to perform at least one of the following operations on a subframe position of the periodic reference signal, but is not limited thereto: a subframe corresponding to a subframe position of the periodic reference signal And measuring the channel state information; if the subframe corresponding to the subframe position of the periodic reference signal is the second designated subframe type, measuring the channel state information on the subframe corresponding to the subframe position of the periodic reference signal; In a case where the periodic reference signal is included in the subframe corresponding to the subframe position of the periodic reference signal, the channel state information is measured on the subframe corresponding to the subframe position of the periodic reference signal.

In one embodiment of the invention, the operational module 44 is further configured to perform measurements on the configured non-zero power reference signal pattern resources and/or to perform measurements on the configured zero-power reference signal pattern resources.

It should be noted that k2 is predefined or indicated by DCI signaling.

It should be noted that k3 is predefined or indicated by DCI signaling.

It should be noted that the foregoing operation module 44 may be further configured to perform at least one of the following operations on the resource that periodically reports the channel state information: performing a feedback operation on the resource that periodically reports the channel state information; When the resource of the channel state information is the physical uplink control channel, the feedback operation is performed; when the resource periodically reporting the channel state information is the physical uplink shared channel, the feedback operation is performed; before the resource of the channel state information is periodically reported In the case where the channel state information is measured last time, the feedback operation is performed.

It should be noted that the above device may be located in the terminal, but is not limited thereto.

It should be noted that each of the above modules may be implemented by software or hardware. For the latter, 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.

The embodiment of the present invention further provides a processing device for channel state information. FIG. 5 is a structural block diagram 2 of a device for processing channel state information according to an embodiment of the present invention. As shown in FIG. 5, the device includes:

The obtaining module 52 is configured to obtain configuration information.

The sending module 54 is configured to send the configuration information, where the configuration information includes at least one of: measurement resource configuration information, channel state information report configuration information, where the measurement resource configuration information is used by the terminal in the measurement resource configuration information indication The channel state information is measured on the measurement resource, and the channel state information report configuration information is used by the terminal to feed back the measured channel state information on the reporting resource according to the reporting rule indicated by the channel state information reporting configuration information.

The foregoing configuration information is sent by the sending module 54 to enable the terminal to perform a corresponding operation according to the received configuration information, for example, by measuring channel state information on the measurement resource indicated by the received measurement resource configuration information, and receiving The measurement resource information included in the measured resource information includes measurement channel state information on the resource, and the channel state information fed back on the reporting resource according to the reporting rule indicated by the channel state information reporting configuration information, so that the channel state information measurement and feedback It can be applied to flexible duplex systems. Therefore, the method of CSI channel measurement and feedback in the related art can no longer be applied to the problem of the flexible duplex system, thereby satisfying the flexible duplex system.

It should be noted that the foregoing sending module 54 may exist separately or may be combined with the above acquiring module 52, and is not limited thereto.

In an embodiment of the present invention, the apparatus may further include: an interaction module, configured to exchange measurement resources and/or measurement reference signal information with neighboring base stations.

It should be noted that k2 is predefined or indicated by DCI signaling.

It should be noted that k3 is predefined or indicated by DCI signaling.

It should be noted that the resource for periodically reporting channel state information may be determined by at least one of the following parameters, but is not limited thereto: a starting resource location; an offset; a period; and a time window.

It is to be noted that the foregoing apparatus further includes: an executing module, configured to perform at least one of the following operations on the resource that periodically reports the channel state information: receiving the information state fed back by the terminal on the resource that periodically reports the channel state information Information; information state information fed back by the terminal when the resource for periodically reporting the channel state information is the physical uplink control channel; and the feedback of the receiving terminal when the resource periodically reporting the channel state information is the physical uplink shared channel Information status information; information status information fed back by the receiving terminal in the case where the last measured channel state information is the specified subframe type before periodically reporting the resource of the channel state information.

It should be noted that the foregoing step device may be located in the base station, but is not limited thereto.

The embodiment of the present invention provides a terminal. FIG. 6 is a schematic structural diagram of a terminal according to an embodiment of the present invention. As shown in FIG. 6, the terminal includes:

The processor 62 is configured to receive configuration information, where the configuration information includes at least one of: measurement resource configuration information, channel state information report configuration information; and performing at least one of the following operations according to the configuration information: indicating in the measurement resource configuration information Measuring channel state information on the measurement resource, measuring channel state information on a resource corresponding to the indicated reference signal carried in the measurement reference signal information indicated by the measurement resource configuration information, reporting the reporting rule indicated by the configuration information according to the channel state information The channel state information of the feedback measurement is reported on the reporting resource;

The memory 64 is coupled to the processor 62 described above.

Performing, by using the foregoing terminal, the corresponding operation by using the received configuration information, for example, by measuring channel state information on the measurement resource indicated by the received measurement resource configuration information, and carrying the measurement reference signal information indicated by the measurement resource configuration information The channel state information is measured on the resource corresponding to the indicated reference signal, and the channel state information that is measured and reported on the reporting resource according to the reporting rule indicated by the channel state information reporting configuration information, so that the channel state information measurement and feedback can be applied to the flexible duplex The system, therefore, can solve the problem that the CSI channel measurement and feedback in the related art is no longer applicable to the flexible duplex system, thereby satisfying the flexible duplex system.

It should be noted that, for the explanation of the above terminal or the explanation of the term, refer to the description of the foregoing embodiment.

The embodiment of the present invention provides a base station, and FIG. 7 is a schematic structural diagram of a base station according to an embodiment of the present invention. As shown in FIG. 7, the base station includes:

The processor 72 is configured to send the configuration information, where the configuration information includes at least one of the following: the measurement resource configuration information, the channel state information report configuration information, where the measurement resource configuration information is used by the terminal to measure the resource indicated by the resource configuration information. The channel state information is measured, and the channel state information report configuration information is used by the terminal to feed back the measured channel state information on the reporting resource according to the reporting rule indicated by the channel state information reporting configuration information;

The memory 74 is coupled to the processor 72 described above, and the connections therein may be connections in various manners, for example, via a bus connection or the like.

The foregoing configuration information is sent by the foregoing processor 72, so that the terminal can perform a corresponding operation according to the received configuration information, for example, by measuring channel state information on the measurement resource indicated by the received measurement resource configuration information, and receiving The measurement resource information included in the measured resource information includes measurement channel state information on the resource, and the channel state information fed back on the reporting resource according to the reporting rule indicated by the channel state information reporting configuration information, so that the channel state information measurement and feedback It can be applied to flexible duplex systems. Therefore, the method of CSI channel measurement and feedback in the related art can no longer be applied to the problem of the flexible duplex system, thereby satisfying the flexible duplex system.

It should be noted that, for the explanation of the above base station or the explanation of the term, refer to the description of the foregoing embodiment.

Embodiments of the present invention also provide a storage medium including a stored program, wherein the program described above executes the method of any of the above.

Optionally, in the embodiment, the foregoing storage medium may include, but is not limited to, a USB flash drive, a Read-Only Memory (ROM), and a Random Access Memory (RAM). A variety of media that can store program code, such as a hard disk, a disk, or an optical disk.

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.

For example, the specific examples in this embodiment may refer to the examples described in the foregoing embodiments and the optional embodiments, and details are not described herein again.

For a better understanding of the invention, the invention is further explained in conjunction with the preferred embodiments.

The content of the DL CSI feedback in the embodiment of the present invention includes, but is not limited to, at least one of the following information: a CQI (Channel Quality Indicator), a PMI (Precoding Matrix Indicator), and an RI (Rank Indication). Indication), interference source, interference source link direction, interference level/degree, pre-M strong interference sources, front M strong interference link directions, top M strong interference levels/degrees, and any other reflection of cross-link interference information.

The subframe according to the embodiment of the present invention may also be regarded as a time unit, or a time slot, or a time interval composed of a specific number of symbols. The device can be a base station or a terminal. The method described in the present invention is equally applicable to other scenarios.

The concept or definition of multiple types of subframes in the present invention is given in this embodiment.

For a subframe, it can be classified into at least one of the following categories: a fixed subframe, a flexible subframe, and a special subframe.

The fixed subframe may be at least one of the following subframes: a fixed uplink subframe, and a fixed downlink subframe. That is to say, at a fixed subframe position, its transmission link direction and/or subframe attributes are fixed and unchanged. The fixed subframe may be all subframe types in the existing LTE, for example, the fixed subframe position may be a pure downlink transmission subframe, or a pure uplink transmission subframe, or may include downlink control and downlink transmission. Subframe. Optionally, different devices transmit at pre-configured or agreed-upon attributes at fixed subframe locations. Based on this, the interference level between adjacent devices fluctuates little at a fixed subframe position. That is, the CSI measured on the fixed subframe may reflect the interference level on the fixed subframe of the scheduling.

For a flexible subframe, the transmission link is dynamically changed on the subframe, and/or the structure of the subframe may also be flexibly changed, which causes the CSI currently measured on the flexible subframe. It does not accurately reflect the interference conditions on other flexible subframes. Based on this, the CSI needs to be independently measured and/or reported for such flexible subframes. The flexible subframe may be a pure uplink subframe, or a pure downlink subframe, or an uplink and downlink hybrid subframe (also referred to as a self-contained subframe). The uplink and downlink hybrid subframe includes at least one of the following: an uplink dominant subframe, and a downlink dominant subframe. Different types of interference occur when different devices adopt one of the above flexible subframes.

For example, case 1: the downlink dominant frame and the uplink dominant subframe, and the cross-link interference of the data region occurs; Case 2: the pure downlink subframe and the downlink dominant subframe, between the data region and the uplink control region Cross-link interference; Case 3: Pure uplink subframe and uplink dominant subframe, cross-link interference between data region and downlink control region occurs; Case 4: pure downlink subframe and uplink dominant subframe, data region appears Inter-, and, cross-link interference between the data area and the uplink control area; Case 5: pure uplink subframe and downlink dominant subframe, data and downlink control region, and cross-link between uplink data and uplink control Path interference; Case 6: Cross-link interference between data areas occurs in pure uplink subframes and pure downlink subframes; Case 7: Upstream dominant subframes and downlink dominant subframes, between uplink data and downlink data Cross-link interference; Case 8: uplink dominant subframe and uplink dominant subframe, cross-link interference between downlink control region and uplink data occurs; Case 9: Downstream dominated sub-frame and downlink dominant sub-frame, cross-link interference between downlink transmission and uplink control occurs; Case 10: Downstream data occurs between different numerology devices, or between different slot lengths Cross-link interference between the upstream data area and/or the downlink data domain uplink control; Case 11: For different numerology devices, or between different slot lengths, downlink data fields and uplink data Inter-cross link interference;

For a special subframe, the special subframe includes: an uplink pilot time slot, a GP, and a downlink pilot time slot. According to the uplink pilot time slot, at least one of the GP and the downlink pilot time slots have different durations in the subframe, and different subframe structures may be formed. Based on this, the special subframe may be a fixed subframe type or a flexible subframe type. For flexible subframe types, cross-link interference may occur between different devices using fixed subframe types, and/or at least one of flexible subframe types and special subframes, or between different special subframe structures. If a special subframe is used as a measurement subframe, the interference measured on the special subframe may also occur, and the interference of other special subframes may not be reflected.

In addition, in addition to the above subframes, there is a type of single frequency network multicast/broadcast MBSFN subframe. This type of subframe is mainly used for physical multicast channel PMCH transmission. In the existing LTE TDD, the subframes 0, 1, 2, 5, 6 cannot be used as MBSFN subframes.

Based on the above analysis, in order to perform accurate measurement and/or feedback, the interference situation at the measurement time is substantially consistent with the actual scheduling situation, and the existing subframes may be divided into several categories, respectively, for measurement, and/or reporting.

From a large perspective, the subframe may be classified into at least one of the following categories: a first type: a fixed subframe, a second type: a flexible subframe, and a third type: an MBSFN subframe.

Optionally, the flexible subframe may also be classified according to interference types generated by different subframe structures thereof, and/or according to different interference types generated by different durations of different subframe structures, and/or according to different numerology The type of interference partition generated by the difference between the subframe or the duration of the subframe. Here is not an example, you can refer to the flexible sub-frame part content.

In addition, when the device performs measurement according to the type, and/or reports, how to know the subframe structure of the adjacent device to transmit, and/or measure the subframe position, and/or the duration of the unit in the subframe, And/or, duration of the subframe, and/or, numerology, and/or uplink and downlink subframe configuration information, and/or fixed subframe position, and/or flexible subframe position, and/or MBSFN Subframe position, and/or sub-frame type. Can pass at least one of the following:

Method 1: Interact between adjacent devices. For example, interact through OTA or Xn ports.

Method 2: Predefined way;

Method 3: Implement a predetermined method between devices;

Method 4: Obtained based on the measured resource or measurement signal of the configuration.

The present invention mainly defines several types of subframe types, performs measurement based on the different subframe types, and reports CSI of at least one of the types of subframes, and/or at least one of the subframes. The CSI on the specific bandwidth of the frequency domain is such that the situation of the measurement time is substantially the same as the interference situation of the scheduling time.

The specific bandwidth may be system bandwidth, one or more narrowbands, one or more PRB/RBG/RE/REG, at least one of one or more bandwidth units.

In order to facilitate the UE to measure channel state information and/or interference conditions, the UE needs to acquire information of reference signals or measurement signals for performing channel state information and/or interference conditions. In this embodiment, the design and notification manner of the reference signal or the measurement reference signal are mainly given.

The reference signal that can implement channel state information acquisition and/or interference measurement may adopt CSI-RS, and/or DMRS. Among them, CSI-RS is divided into zero-power CSI-RS and non-zero-power CSI-RS. Only the reference signal transmission time domain and/or frequency domain position, and/or pattern, used to implement the interference measurement function will be described here. The same reference signals are used to implement other design goals or functions and are not described herein, and may be considered to be transmitted or transmitted in their own manner and/or in time domain and/or frequency domain resources and/or patterns. In order to achieve interference measurement, a pre-reference signal is required. The preamble means that the time domain position of the reference signal is located within the first slot as much as possible, or after the control channel, before the data channel or one or several symbol positions are started.

Optionally, the pre-referenced signal may use different frequency domain patterns and/or densities with other same reference signals in the sub-frame. Alternatively, the same basic pattern unit may be configured with different densities. Or, the same basic pattern unit, and, density. Or, the same pattern, and the same density.

Optionally, in combination with the types of subframes given in the first embodiment, the reference signals may be different in positions of different types of subframes, or may be configured to be the same. Wherein, when configured to be the same position, the position is fixed or not fixed.

The time domain of the reference signal in several types of subframes, and/or the frequency domain location, and/or the frequency domain pattern are first described below. If the CSI-RS is used as the measurement reference signal, the pattern of the pre-CSI-RS on one symbol may be one of the following:

For a port case, the number of subcarriers occupied by the CSI-RS on one PRB can be one, or two. If two subcarriers are occupied, the subcarriers occupied by the CSI-RS are two consecutive subcarriers in the frequency domain, for example, #2, #3. Preferably, one intra-PRB CSI pattern may be determined by a frequency domain offset, and, a number of consecutive subcarriers, an interval between consecutive subcarrier units. The number of consecutive subcarriers may be at least one of 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12 . The minimum offset is 0 and the maximum is 11.

For the case of two ports, the basic resource pattern of a CSI-RS on a symbol on a PRB may be (X, Y) = (2, 1), X is the number of occupied subcarriers in the frequency domain, and Y is the number of time domain symbols. The X subcarriers may be continuous or discontinuous subcarriers in the frequency domain.

Similarly, for the 4-antenna port case, the basic resource pattern of a CSI-RS in a symbol on a PRB can be (X, Y) = (4, 1). X may be composed of four consecutive subcarriers, or four discontinuous subcarriers, or two discontinuous subcarriers of continuous length 2. Similarly, 8 antenna ports, or 12 antenna ports, can be combined according to the basic resource ports of the 1, 2, and 4 antenna ports. The basic resource pattern may have a different starting pattern in the frequency domain, and/or the number of repetitions in the frequency domain, and/or different spacing between the basic resource patterns may result in different patterns. In the case of other antenna ports, they are not listed here, and the methods are the same.

The pre-DMRS pattern can be the same as the pre-CSI-RS pattern. Or different, the difference here can be reflected in the frequency domain basic resource pattern between the interval, the number of repetitions, the starting position, the port and the like. Others can be similar.

Optionally, the time domain location of the reference signal is introduced. Here, it is assumed that the number of symbols occupying the largest control channel is exemplified, for example, the control channel occupies 3 symbols. In particular, in the MBSFN subframe, the control channel can occupy up to 2 symbols.

It is assumed that the DMRS is used as the measurement reference signal, and/or the reference signal obtained by the channel state information, and/or the reference signal for demodulation. In the NR, since the CRS signal is not introduced, the downlink control channel demodulation delay is increased to some extent. Therefore, the DMRS can be used to implement one of the functions of the original CRS to demodulate the downlink control channel. Preferably, the DMRS can be within its control channel region. For this case, in addition to the DMRS reference signal in the control channel, the interference measurement purpose can be achieved. After the control channel, the DMRS before or after the data channel can be used to achieve the interference measurement purpose. Optionally, for a normal downlink subframe, the time domain location of the DMRS reference signal used for interference measurement purposes may be at least one of the following: symbol #0, #1, #2, #3. For a self-contained subframe (downstream dominant subframe type), the time domain location of the DMRS used for interference measurement purposes, in addition to the downlink control channel region, eg, symbols #0, #1, #2 At least one of them. Optionally, if there is a gap before the downlink data after the downlink control, the time domain location of the DMRS may also be located at a front position in the gap. If there is no gap, the time domain location of the DMRS can be located on one or more symbols at the beginning of the downlink data, such as at least one of symbols #3, #4, #5. For an MBSFN subframe, the control region occupies 2 symbols, and in the NR is a CRS, the DMRS may be located in at least one of the symbols #0, #1. One or more symbols may also be started in the re-broadcast channel. In this case, the MBSFN reference signal may also be used for interference measurement purposes, but the existing MBSFN reference signal position needs to be translated to the first symbol after the control channel, and / or, the second symbol goes up. Preferably, in order to quickly obtain interference measurement conditions, the DMRS reference signal should be prioritized with a pattern design of one symbol. Of course, designs that occupy 2 or more symbols are not excluded.

It is assumed that a CSI-RS is used as a measurement reference signal, and/or a reference signal obtained by channel state information. The pre-CSI-RS reference signal may be located after the control channel, and/or before the data channel, and/or one or more symbols beginning with the data channel. For a normal downlink subframe, the pre-CSI-RS may be located at least one of symbol #3 (the symbol index starts from 0), symbol #4, and symbol #5. If there is no downlink control channel in the normal downlink subframe, the pre-CSI-RS may be at least one of the location symbols #0, #1. For the case where there is no downlink control channel, the DMRS is also the same. For a self-contained subframe (a downlink-preferred subframe type), the time domain location of the CSI-RS used for interference measurement purposes, optionally, if there is a gap before the downlink data after the downlink control, the CSI The time domain location of the -RS can also be located in the front position of the gap. If there is no gap, the time domain location of the CSI-RS may be located on one or more symbols at the beginning of the downlink data, such as at least one of symbols #3, #4, #5. For MBSFN subframes, the MBSFN reference signal may be used for interference measurement purposes, but the existing MBSFN reference signal position needs to be translated to the first symbol after the control channel, and/or the second symbol is up. Preferably, in order to quickly obtain an interference measurement condition, the CSI-RS reference signal should be prioritized with a pattern design of one symbol. Of course, designs that occupy 2 or more symbols are not excluded.

Optionally, the UE side needs the time domain of the reference signal used to implement the measurement, and/or the frequency domain location, and/or the pattern information.

The reference signal resource configuration information notified by the base station to the UE includes at least one of: a periodic reference signal subframe position information, a reference signal start subframe position, a period in which the reference signal appears in the time domain, and an aperiodic reference. Signal sub-frame position information, bandwidth/subband/RB/RBG information, antenna port information, reference signal in basic resource pattern, reference signal in bandwidth/subband/RB/RBG start position, reference signal in bandwidth/sub The interval between the basic resource patterns in the band/RB/RBG, the number of repetitions of the basic resource pattern of the reference signal in the bandwidth/subband/RB/RBG, the symbol position information in the subframe, and the frequency domain pattern identification.

Optionally, the method for transmitting the reference signal resource configuration information to the terminal may be performed by at least one of the following: physical layer DCI signaling, high layer RRC signaling, a predefined manner, and the base station and the UE agree in advance, any of the foregoing manners. Combine the methods obtained.

At least one of the triggering reference signal information is sent aperiodically, wherein the time domain subframe position of the transmission of the aperiodic reference signal may be determined by at least one of the following:

Manner 1: The signaling that triggers the reference signal transmission carries the timing relationship k, and the device determines the transmission subframe of the reference signal according to the n+k timing relationship, and/or receives the subframe. n is the subframe index sent by the trigger signaling. k is a positive integer greater than or equal to 0, preferably k is 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, and the like.

Manner 2: Based on the mode 1, the time domain symbol position/offset or the position/offset set transmitted by the reference signal pattern may also be indicated in the DCI signaling. Preferably, the time domain symbol position may be at least one of 0, 1, 2, 3, 4, 5, 6.

Manner 3: Based on mode 1, and/or mode 2, the triggering DCI signaling may also carry a reference index of the reference signal, and/or a basic resource pattern, and/or a frequency domain starting position based on the resource pattern. , and/or, the interval between the basic resource patterns, and/or the number of repetitions of the basic resource pattern in the frequency domain.

In summary, in addition to triggering the reference signal transmission, the signaling of the aperiodic triggering reference signal may also indicate the time domain subframe position of the reference signal transmission or reception/measurement, the time domain symbol position, the frequency domain pattern, the pattern index, and the basic resource. The pattern, based on the frequency domain starting position of the resource pattern, the interval between the basic resource patterns, and at least one of the repetition information of the basic resource pattern in the frequency domain.

The UE obtains the reference information of the foregoing configuration, that is, the interference condition that exists on different subframe types is measured, and the measured interference situation is reported to the base station.

The manner in which the UE side reports the interference measurement result to the base station may be configured by the base station for the UE, or may be previously agreed by the base station and the UE, or may be reported by the UE in a manner selected by the UE.

This embodiment gives a manner of periodic feedback. The channel that the UE feeds back the CSI information is a PUCCH. The PUCCH may be a long format PUCCH or a short format PUCCH. In addition to this, feedback can also be made on the PUSCH.

The base station sends at least one of the following contents to the UE: reference signal information, and related resource information periodically reported. The content included in the reference signal information is described in the second embodiment.

The periodically reported related resource information includes at least one of the following information: a reporting period and/or a subframe offset. The period and/or subframe offset may be preset, and/or, high layer RRC signaling indication, and/or physical layer DCI signaling indication; feedback channel resource. For example, whether the feedback is through PUCCH or PUSCH; time window information. The UE may perform reporting in the time window; measure the subframe set; available frequency band/narrowband/PRB/RBG.

The DL CSI information mentioned below includes at least one of the following: a CQI (Channel Quality Indicator), a PMI (Precoding Matrix Indicator), and an RI (Rank Indication). , interference source, interference source link direction, interference level/degree, front M strong interference sources, front M strong interference link directions, top M strong interference levels/degrees, and any other information reflecting cross-link interference.

The specific manner is: the base station allocates feedback channel resources for multiple types of subframes, and/or feedback periods, and/or feedback subframes. The feedback channel resources of the different types of subframes, and/or feedback periods, and/or feedback subframes may be the same, or partially identical (and/or partially different), or different.

That is, if there are three types of downlink subframe groups, the UE feeds back the DL CSI information measured on the subframe n-k on the subframe n. k is a positive integer greater than or equal to 0, nk is a downlink subframe belonging to the first type of subframe closest to the distance n; the UE feeds back the DL CSI measured by p-k1 on the subframe p, and k1 is a positive integer greater than or equal to 0, P-k1 is the downlink subframe belonging to the second type of subframe closest to distance p; similarly, the UE feeds back Q-k2 measured DL CSI on Q, k2 is a positive integer greater than or equal to 0, and Q-k2 is distance Q The most recent downlink subframe that belongs to the third type of subframe; once analogous, if there are multiple types of subframes, it can be reported in this way. For the different types of feedback cases described above, if the periods of the feedback are the same, feedback may be simultaneously performed, or only at least one of them may be fed back. If the feedback subframes are the same, at least one of the DL CSIs corresponding to the subframes closest to the feedback subframe may be fed back.

Alternatively, k may be a set. In this case, n-k is the downlink subframe corresponding to several types of subframes closest to the distance n. That is, the DL CSI of at least one of all types of subframes is reported on the n subframe. Optionally, the UE may also periodically feed back different types of subframes, and/or DL CSI on at least one of the frequency bands configured on different types of subframes. The CSI of the entire bandwidth may be reported at a time, and the CSI on the best S subbands of the multiple subbands may be reported, or the CSIs on all the measured subbands/PRBs/RBGs may be reported, so that the base station finally configures one. Interfering with relatively small resources to the UE.

This embodiment gives a manner of aperiodic feedback. Specifically, the base station configures a DL CSI measurement subframe for each type of downlink subframe, and/or measures a time domain and/or frequency domain location and/or pattern of the reference signal, and/or frequency band information, by signaling Give the UE. The UE that receives the above information measures CSI on the corresponding downlink subframe. The base station configures a DL CSI measurement subframe for each type of downlink subframe, and/or a time domain and/or a frequency domain location and/or a pattern of the reference signal, which is described in the second embodiment, and is not repeatedly introduced here. .

For the aperiodic feedback, after the base station configures the DL CSI measurement subframe for the UE to be at least one of the multiple types of subframes, the UE needs to trigger the CSI to feed back CSI of at least one of the multiple types of downlink subframes. For the UE, after receiving the trigger signaling, the measurement result is fed back. The trigger signaling may enable sharing of uplink DCI and UE-specific DCI signaling.

The manner of triggering the UE to report is included in at least one of the following:

Manner 1: DCI signaling only triggers feedback CSI. That is, the CSI feedback field in the DCI signaling may be used to indicate whether the aperiodic CSI reporting is enabled. In this way, the field used to trigger CSI reporting can occupy 1 bit. The subframe position for reporting the CSI may be one feedback subframe closest to the location of the trigger signaling n, and/or the most recent multiple feedback subframes, and/or the feedback subframe in the most recent time. For example, feedback on n+y, y can represent a positive integer greater than or equal to 0, or a set, which can represent a time window. The position of the specific time window may be n + y to determine the start of the time window, and l to indicate the length of the time window. In addition, although the trigger does not indicate that type of subframe feedback CSI, at least one of the plurality of types of subframes may be defined for feedback. The time domain subframe positions whose feedback is available may be the same or different.

Manner 2: In addition to triggering the feedback CSI message, the DCI signaling indicates that at least one of the several types of subframes is reported. For example, the DCI signaling carries x bits to indicate triggering and/or indicating those reports in these types of subframes. For example, if there are three types of subframes, 2 bits can be used, 00 means no acyclic CSI feedback is triggered, 01 means triggering and the first type of subframe is reported, 10 means triggering and the second type of subframe is reported, 11 means triggering and Three types of subframes are reported. Optionally, if any combination of multiple types of subframes is to be reported, it may be indicated by more bits.

Manner 3: In addition to triggering feedback CSI, DCI signaling may also indicate the type of subframe to be fed back, and the location of the feedback subframe, and/or the content of the feedback DL CSI, and/or feedback type, and/or feedback. Band information. The DCI may carry a timing relationship value to determine a subframe position of the feedback, and may also carry a content indication of the CSI feedback. This is where more bits are needed in DCI signaling to indicate at least one of the above. The feedback type may be TYPE1, or, 2. In addition, the feedback subframe position, for example, the location of the most recent feedback CSI, can also be determined in an implicit manner.

This embodiment shows how cross-link interference conditions are obtained by feedback DL CSI.

For cross-link interference identification, as well as interference strength, the device can be measured by measuring the time domain of the reference signal, and/or, the frequency domain location, and/or the pattern. Optionally, how to report the measured cross-link information to the UE?

Method 1: Reflected by CQI.

It can be seen from the calculation of LTE CQI that there is a certain correspondence between SINR and CQI. A corresponding CQI can be obtained based on the SINR calculation value. Specifically, on the measured resource, the signal of the local cell received by the UE is z=[x1, x2, . . . , xn]. sequence (such as ZC sequence, or gold sequence, etc.). Based on this, the received power is: Y=z2. The interference received by the UE on the measurement resource is: the sum of the squares of M=Xi minus Y. At this time, the SINR acquired by the UE is: SINR=Y/M. In the existing method, the base station cannot obtain at least one of the following information: for example, who is the strongest interference source, the link direction of the strong interference source, and the interference strength. Therefore, the interference information needs to be obtained by the base station receiving the information reported by the UE in some manner.

A1. Modify the SINR calculation formula. For example, a positive or negative representation is introduced in the SINR formula, for example, SINR = (-1) nY / M. n is 0 and 1, a positive SINR indicates no cross-link interference, and a negative indicates cross-link interference. In this way, the base station can not obtain the information of the strong interference source. In this case, the UE can measure the interference situation on the multiple resource sets, or measure the interference situation under multiple interference assumptions, thereby reporting multiple CSI information to the base station. Thus, the base station is made aware of strong interfering cells, and/or strong interfering source link directions, and/or interference strength. The plurality of resource sets may be understood as configuring ZP CSI-RS, and/or NZP CSI-RS, and/or ZP DMRS, and/or NZP DMRS, and/or ZP SRS, for neighboring cells. And/or, NZP SRS. Used to measure the interference link direction on adjacent cells, and/or the interference strength.

A2. Modify the scope of CQI. For example, expand the range corresponding to the CQI, for example, from [0, 15] to [0, 31]. Among them, the number from 16 to 31 indicates cross-link interference. Based on the reported CQI value greater than 15, how does the base station know the true CQI. One way is to report an offset. Or, report the actual CQI directly and report an offset. Or, directly introduce more CQI curves to reflect the CQI information in the case of cross-link interference.

Method 2: Carry content through CSI feedback.

In addition to reporting at least one of PMI, CQI, and RI, the top M strong/weak cross-link interference source information may be reported, and/or the interference source link direction, and/or the degree of interference, and/or , reporting average interference, and/or, relative to an offset relative to existing interference.

Mode 3: By defining the cross-link interference resource mode. Defining a resource corresponding to cross-link interference, if the base station receives information on the resource, it indicates that there is cross-link interference. Further, the interference source information, and/or the degree of interference, may be known based on the content reported on the resource.

This embodiment provides a process of CSI feedback and base station using CSI feedback. In order to achieve a CSI measurement time that is substantially consistent with the actual scheduling time using CQI or interference distribution conditions, shorter measurements, and/or, reporting, and/or transmission intervals are required.

Method 1: For the self-contained sub-frame structure. The measurement reference signal is obtained in the control channel region, and the CSI result is obtained, and the area before the data transmission after the CSI structure is reported after the downlink control channel is reported. The measurement result can be used for transmission of subsequent subframes. FIG. 8 is a schematic diagram of a first mode according to an embodiment of the present invention.

Method 2: For self-contained sub-frame structures. After the measurement reference signal is in the downlink control channel, the data is transmitted in the gap before the data or the UE is received at the location, the CSI result is obtained, and the CSI result is also reported in the gap. The measurement result can be used for transmission of subsequent subframes. FIG. 9 is a schematic diagram of a second mode according to an embodiment of the present invention.

Manner 3: The UE measures the reference signal position in the previous subframe to perform CSI measurement, and the feedback CSI result currently feeds back the CSI result in the PUCCH position in the subframe, and the CSI measurement result is used for data transmission in the next subframe. The measurement reference signal is transmitted in a control channel region. FIG. 10 is a schematic diagram of a third method according to an embodiment of the present invention.

Manner 4: Different from mode 3, the UE receives the measured reference signal and performs CSI measurement before or at the beginning of the data area, and the feedback CSI result feeds back the CSI result at the PUCCH position in the current subframe, where the CSI The measurement result is used for data transmission in the next subframe. FIG. 11 is a schematic diagram of a fourth method according to an embodiment of the present invention.

A method of measuring resources is provided in this embodiment. The measurement resources may be periodic, and/or non-periodic. The measurement resource may be at least one of the following: a time domain resource, a frequency domain resource, and an airspace resource. Here, we mainly introduce the measured time domain resources. For example, measuring the sub-frame position, and/or measuring the symbol position.

For periodic measurement resources, the associated resources may be configured by at least one of the following: high-level radio resource control RRC signaling; prior agreement between devices; physical layer downlink control information DCI signaling; MAC signaling; At least one of Msg messages (eg, Msg1, Msg2, Msg3, Msg4); any combination of the above. The DCI signaling may be downlink proprietary DCI signaling, or uplink proprietary DCI signaling, or shared/common DCI signaling.

In addition, the foregoing signaling may carry at least one of the parameters determining the periodic measurement resource: an offset (starting position), a period. The associated offset can be relative to a radio frame, or a time window, or a time unit. The basic unit of the offset may be a subframe, or a time slot, or a symbol.

In the periodic measurement position, the device may perform a measurement operation; or, when the device receives the measurement indication, the device performs a measurement operation at the measurement position; or, the device does not perform the measurement position if the measurement indication is not received Measurement operation.

Optionally, when the periodic measurement location is one of a predefined plurality of types of subframes, the device performs a measurement operation on the type of subframe.

For aperiodic measurement resources, the determination of the measurement resources needs to be triggered and/or indicated by dynamic signaling. The dynamic signaling may be physical layer DCI signaling.

The physical layer DCI signaling may carry a field that triggers measurement resource enable, and/or a field that carries trigger signaling and timing relationship values, and/or indicates location information of the measurement resource. The triggering measurement resource is enabled in the DCI signaling, and the device performs measurement at the enabled measurement resource location. And/or, indicating by another DCI signaling whether a measurement operation is performed at the enabled measurement resource location. And/or determining whether to perform a measurement operation on the measurement resource according to whether a measurement signal is configured on the measurement resource. The timing relationship means that the trigger signaling is sent on the subframe n, and the location of the measurement resource is determined according to the timing relationship value n+k. k is a positive integer greater than or equal to 0, and/or a set of positive integers greater than and/or equal to 0, preferably k is 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, At least one of 10....etc. Similarly, at the location of the measurement resource, the device may perform a measurement operation and/or, by another DCI signaling, indicate whether a measurement operation is performed at the location of the measurement resource. And/or determining whether to perform a measurement operation on the measurement resource according to whether a measurement signal is configured on the measurement resource. The location information field of the measurement resource may be used to trigger measurement resource/measurement, may also be used to indicate resource location of the measurement resource, and/or, measurement period, and/or, measurement time window, and/or measurement start Position (or offset). The n bits are utilized in the DCI to trigger and/or indicate measurement and/or measurement resource locations and the like. For example, using 2 bits to trigger and/or indicate measurement and/or measurement position, 00 means no trigger or measurement, 01 means trigger measurement/measurement resource, and indicating timing relationship k of measurement/measurement resource, 10 means trigger measurement/measurement a resource, and indicating an offset of the measurement/measurement resource over a certain period of time (eg, the certain time may be understood as a time window, the offset may be an offset from a starting position of the time window), 11 indicates that the measurement/measurement resource is triggered, and indicates that the measurement/measurement resource has k+1 determination (k can trigger the timing relationship between the measurement/measurement resource subframe and the measurement/measurement resource, and l is based on the determined measurement/measurement resource location Offset). Both k and l are positive integers greater than or equal to zero.

A method of measuring a signal is provided in this embodiment. The measurement signal may be periodically occurring (or transmitted) or may be non-periodically occurring or transmitted. For the device performing the measurement, the measurement may be performed periodically, or the aperiodic measurement may be performed based on the received measurement request. The measurement signal may be at least one of the following: CSI-RS, DMRS, SRS. Wherein, the above RS may be a zero power ZP RS, a non-zero power NZP RS.

For the base station side, one or more measurement signals can be configured for the terminal measurement. The measurement signal may be configured by at least one of the following: high-level radio resource control RRC signaling, physical layer downlink control information DCI signaling, and predefined.

The measurement signal can correspond to a particular measurement resource. For example, a measurement resource is composed of a specific time domain, and/or a frequency domain resource.

The base station can configure the measurement signal configuration information of the local cell to the terminal. Optionally, measurement signal configuration information of a neighboring device (base station, or terminal) may also be configured. Optionally, the device can measure signal configuration information, and can interact through the Xn interface or the OTA mode. The measurement signal configuration information includes at least one of the following: sequence, device (base station or terminal) ID, beam ID, time domain resource/symbol, frequency domain resource, and frequency domain pattern.

The base station can transmit measurement signals at periodic locations. The location at which the measurement signal is transmitted may be the same as the location of the measurement subframe at which the terminal may perform a measurement operation. For the case where the measurement signal transmission position is not a measurement subframe, the terminal may not perform a measurement operation, or perform a measurement operation, or perform a measurement operation based on the measurement signal based on the DCI signaling indication. Optionally, the configuration period of the measurement signal may be the same as, or different from, the configuration period of the measurement subframe.

Optionally, the base station may send the measurement signal aperiodically. The triggering measurement signal transmission may be by DCI signaling, or based on a measurement request sent by a neighboring device, or a measurement request sent by the local cell terminal. The measurement signal may be sent by the base station or may be sent by the terminal.

The DCI signaling may be used to trigger measurement signal transmission, and may also indicate a time domain and/or a frequency domain resource location of the measurement signal transmission. The DCI signaling carries a field indicating and/or triggering measurement signal transmission, the field may occupy m bits, and/or carry a timing relationship value of the measurement signal transmission.

The aperiodic measurement signal may be sent after the trigger, the location of the transmission may be transmitted on the configured measurement subframe, or determined according to the indicated timing relationship value, or sent at the indicated location.

The terminal may perform measurement operations at periodic measurement signal locations and/or perform measurement operations at corresponding locations based on the received signaling.

In addition to measuring the measurement signal of the local cell, the terminal can also measure the measurement signal sent by the neighboring device. For example, the measurement signal sent by the UE in the neighboring cell, or the measurement signal sent by the UE in the neighboring cell, or the measurement signal sent by the UE in the local cell.

The measurement signals may be in different time domains on different types of subframes, and/or the frequency domain locations and patterns may be different. The terminal needs to measure interference conditions on different types of subframes, so as to report the measurement result to the base station (the own serving base station, and/or the base station of the neighboring cell), so that the base station avoids scheduling interference in future scheduling. The UE or the terminal transmits. For the different types of subframes, refer to the content in Embodiment 1.

In this embodiment, a method for determining a resource location of a terminal reporting or feedback resource CSI is provided. The terminal may report the CSI periodically or may report the CSI aperiodically. The CSI report may be in the PUCCH, or the PUSCH.

The CSI is reported periodically. It can be understood that the terminal reports the measurement result according to the configured periodic CSI. The periodic CSI reporting location may be configured by at least one of a high layer radio resource control RRC signaling, physical layer downlink control information DCI signaling, and a predefined one. Optionally, the foregoing configuration manner may further be configured to determine a parameter of the periodic CSI reporting resource, for example, a starting location (or offset), a period. In addition, the foregoing configuration manner may further configure the reported content, for example, report the measurement result of several types of measurement subframes, report which type of measurement signal in the measurement subframe, report the result of measuring which measurement resource in the measurement subframe, and report the result. Which frequency band is measured and so on.

For the location determination of the aperiodic CSI report, you can follow at least one of the following methods:

The reported CSI position is determined according to the timing relationship n+k according to the measurement resource position or the measurement signal position. n can be a measurement resource location or a measurement signal location index. k is a positive integer greater than or equal to 0, preferably k is 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, etc.;

Trigger and/or indicate the location reported by the CSI according to the DCI. After the DCI triggers the CSI reporting signaling, the terminal may perform a measurement operation. The measuring operation may be performed based on the DCI indication reported by the trigger CSI, or another DCI signaling indicates a measurement operation. Similarly, the measurement signal sent by the base station side may be based on a CSI indication that triggers CSI reporting, or may be another DCI signaling indication transmission.

Optionally, the terminal may determine, according to the timing reported by the CSI, the location of the measurement operation, and/or the location of the measurement signal transmission, according to the timing relationship n-k. Here, n is a position index reported by the CSI, and k is a measurement operation position, or a timing relationship between a measurement signal transmission position and a CSI reporting position. k is a positive integer greater than or equal to 0, preferably k is 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, and the like.

In summary, at least one of the other remaining positions may be determined according to at least one of the measurement resource location, the measurement signal location, and the CSI reporting location.

It will be apparent to those skilled in the art that the various 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. Thus, the invention is not limited to any specific combination of hardware and software.

The above description is only the specific embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes can be made to the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the scope of the present invention are intended to be included within the scope of the present invention.

Industrial applicability

In the technical solution disclosed by the embodiment of the present invention, the base station sends configuration information that is compatible with the currently flexibly configured subframe structure, and the receiving end performs channel measurement after receiving the configuration information, so that the base station can be accurately provided to the transmitting end. Channel measurement information and/or feedback information under the currently configured sub-frame structure, thereby improving the accuracy of channel measurement information and feedback information, has obvious beneficial effects, and at the same time has the characteristics of simple implementation, so it can be industrially Promote use.

Claims

A method for processing channel state information includes:

Receiving configuration information, where the configuration information includes at least one of: measurement resource configuration information, and channel state information report configuration information;

Performing, according to the configuration information, at least one of: measuring channel state information on the measurement resource indicated by the measurement resource configuration information, and indicating the indicated reference signal carried in the measurement reference signal information indicated by the measurement resource configuration information The channel state information is measured on the corresponding resource, and the channel state information that is measured by the reporting rule indicated by the configuration information is fed back on the reporting resource according to the channel state information.
The method of claim 1, wherein the measurement resource configuration information comprises at least one of the following:

Measuring the subframe position of the resource; measuring the interval or period between resources; measuring the subframe type of the resource; measuring the time window of the resource; measuring the reference signal information; measuring the frequency domain resource on the resource; measuring the request indication information;

The frequency domain resource includes at least one of: one or more narrowbands; one broadband; one or more physical resource blocks PRB; one or more physical resource groups RBG; one or more resource particles RE; Multiple resource particle group REGs.
The method of claim 2, wherein the subframe type comprises at least one of:

Fixed downlink subframe; flexible subframe; single frequency network multicast/broadcast multicast/multicast single frequency network MBSFN subframe.
The method of claim 3, wherein the flexible subframe comprises at least one of:

Downstream subframe; uplink subframe; uplink dominant self-contained subframe; downlink dominant self-contained subframe.
The method of claim 2, wherein the subframe location of the measurement resource comprises at least one of:

Periodically measure the subframe position; aperiodicly measure the subframe position.
The method of claim 5 wherein said periodic measured subframe position is determined by at least one of the following parameters:

Measuring the starting position or offset of the subframe; the measurement period; the starting position of the measurement subframe within the time window; the length of the time window; and the measurement subframe interval within the time window.
The method according to claim 6, wherein the starting position of the measurement subframe, or at least one parameter for determining a starting position of the measurement subframe is determined by at least one of the following:

Physical layer downlink control information DCI signaling;

High-level radio resource control RRC signaling;

Determining, by the base station and the terminal, a starting position of the measurement subframe or a manner for determining at least one parameter of the measurement subframe start position;

Predefining a starting position of the measurement subframe or determining at least one parameter of the measurement subframe start position.
The method of claim 5, wherein at least one of the following operations is performed at the periodic measurement subframe position:

Measuring the channel state information on a periodic measurement subframe corresponding to the periodic measurement subframe position;

When the periodic measurement subframe corresponding to the periodic measurement subframe position is the first designated subframe type, the channel state information is measured on the periodic measurement subframe;

If the specified measurement reference signal is included in the periodic measurement subframe corresponding to the periodic measurement subframe position, the channel measurement state is measured by using the specified measurement reference signal on the periodic measurement subframe. information.
The method of claim 5, wherein the aperiodic measurement subframe position is determined by at least one of:

Determining, according to the n+k timing relationship, the aperiodic measurement subframe position according to the subframe index n where the first DCI signaling for measuring the channel state information is triggered; wherein k is greater than or equal to 0. a positive integer or a set of positive integers, n being a positive integer greater than 0;

Determining the aperiodic measurement subframe position by means of the second DCI signaling indicating the aperiodic measurement subframe position;

And determining a periodic measurement subframe position after the first DCI signaling for triggering measurement on the channel state information, where the aperiodic measurement subframe position is determined;

The aperiodic measurement subframe position is determined by a third DCI signaling trigger and/or indicated measurement subframe position.
The method of claim 9 wherein said k is included in said DCI signaling for triggering measurement of channel state information.
The method of claim 2, wherein the measuring reference signal information comprises at least one of:

Reference signal type; sub-frame position of the reference signal; interval or period of the reference signal; symbol position or symbol position set of the reference signal; number of time domain symbols of the reference signal; pattern of the reference signal; frequency domain pattern of the reference signal; reference signal The starting position of the frequency domain; the number of frequency domain resources of the reference signal; the interval between the frequency domain resources of the reference signal; the frequency domain pattern corresponding to the symbol position of the reference signal; the pattern of the zero power reference signal; the non-zero power reference signal pattern.
The method according to claim 2, wherein the measurement reference signal information comprises at least one of: reference signal information of a serving cell; reference signal information of a neighboring cell adjacent to the serving cell; adjacent to the serving cell Reference signal information of a terminal in a neighboring cell.
The method of claim 11 wherein said reference signal type comprises at least one of:

Downlink reference signal, uplink reference signal, uplink and downlink unified reference signal.
The method of claim 12, wherein before receiving the configuration information, the method further comprises:

The base station interacts with the neighboring base station with the measurement resource and/or the measurement reference signal information.
The method of claim 11, wherein the subframe position of the reference signal is the same as, or different from, or different from, the subframe position of the measurement subframe for measuring channel state information.
The method according to claim 11 or 15, wherein the subframe position of the reference signal comprises at least one of the following:

The subframe position of the periodic reference signal; the subframe position of the aperiodic reference signal.
The method of claim 16 wherein the subframe position of the periodic reference signal is determined by at least one of the following parameters:

Start position or offset; period; start position within the time window; time window length; reference signal position interval or period within the time window.
The method according to claim 17, wherein the subframe position of the periodic reference signal, or at least one parameter for determining a subframe position of the periodic reference signal is determined by at least one of the following:

Physical layer downlink control information DCI signaling;

High-level radio resource control RRC signaling;

Determining, by the base station and the terminal, a subframe position of the periodic reference signal, or determining at least one parameter of a subframe position of the periodic reference signal;

A subframe position of the periodic reference signal or at least one parameter for determining a subframe position of the periodic reference signal is predefined.
The method of claim 16, wherein at least one of the following operations is performed at a subframe position of the periodic reference signal:

Measure the channel state information on a subframe corresponding to a subframe position of the periodic reference signal;

If the subframe corresponding to the subframe position of the periodic reference signal is the second designated subframe type, the channel state information is measured on a subframe corresponding to the subframe position of the periodic reference signal;

In a case where the periodic reference signal is included in a subframe corresponding to a subframe position of the periodic reference signal, the channel state information is measured on a subframe corresponding to a subframe position of the periodic reference signal.
The method of claim 16, wherein the subframe position of the aperiodic reference signal is determined by at least one of:

Determining a subframe position of the aperiodic reference signal according to a t+k1 timing relationship according to a subframe index t at which a fourth DCI signaling for measuring channel state information is triggered; wherein k1 is greater than or equal to A positive integer or a set of positive integers of 0, and t is a positive integer;

Determining a subframe position of the aperiodic reference signal by means of a fifth DCI signaling indicating a subframe position of the aperiodic reference signal;

Determining a subframe position of the periodic reference signal after the fourth DCI signaling for measuring the channel state information as a subframe position of the aperiodic reference signal;

The subframe position of the aperiodic reference signal is determined by the reference signal information triggered and/or indicated by the sixth DCI signaling.
The method of claim 20 wherein said k1 is included in said third DCI signalling for triggering measurement of channel state information.
The method according to claim 20, wherein the DCI signaling for triggering and/or indicating reference signal information further comprises at least one of the following:

The symbol position of the reference signal; the frequency domain pattern of the reference signal; the correspondence between the symbol index and the frequency domain pattern; the corresponding index or correspondence between the number of indicator symbols and the frequency domain pattern; the correspondence between the symbol index and the frequency domain pattern index ;port.
The method of any of claims 1 to 22, wherein the method further comprises:

Measurements are made on the configured non-zero power reference signal pattern resources, and/or measurements are made on the configured zero power reference signal pattern resources.
The method of claim 23, wherein the base station is vacant or silent or does not send or not transmit resources corresponding to the zero-power reference signal pattern.
The method according to any one of claims 1 to 22, wherein the reporting resource is determined by at least one of: determining the reported resource by a location of the measurement resource, and determining a location by measuring a position of the reference signal Report the resources.
The method of claim 25, wherein determining, by the location of the measurement resource, the reporting resource comprises at least one of:

Determining, according to the location index m1 of the measurement resource, a location of the reported resource according to a timing relationship m1+k2, where m1 is a positive integer, and k2 is a positive integer or a positive integer set greater than or equal to 0;

The R1 physical uplink control channel PUCCH following the location of the measurement resource is used as a location of the reported resource, where R1 is a positive integer greater than or equal to 0;

The R2 physical uplink shared channel PUSCH after the location of the measurement resource is used as a location of the reported resource, where R2 is a positive integer greater than or equal to 0;

And determining a resource location of the reported resource according to the resource location information of the reported resource carried in the DCI signaling used to trigger and/or determine the location of the measurement resource.
The method of claim 25, wherein determining the reported resource by measuring a location of the reference signal comprises at least one of:

Determining, according to the timing relationship m2 + k3, a location of the reported resource according to the measurement reference signal position index m2, where m2 is a positive integer, and k3 is a positive integer or a positive integer set greater than or equal to 0;

And determining, by the R3 physical uplink control channel PUCCH, the location of the reported resource, where R3 is a positive integer greater than or equal to 0;

Determining, by the R4 physical uplink shared channel PUSCH, after the location of the measurement reference signal, a location of the reported resource, where R4 is a positive integer greater than or equal to 0;

Determining a location of the reported resource according to resource location information of the reported resource carried in the DCI signaling used to trigger and/or determine a location of the measurement reference signal.
The method of claim 25, wherein the k2 is predefined or indicated by DCI signaling.
The method of claim 27, wherein the k3 is predefined or indicated by DCI signaling.
The method of claim 1, wherein the reporting resource comprises at least one of the following:

The resource of the channel state information is periodically reported; the resource of the channel state information is reported aperiodically.
The method according to claim 30, wherein the resource for periodically reporting the channel state information is determined by at least one of the following parameters:

Starting resource location; offset; period; time window.
The method according to claim 31, wherein at least one of the following operations is performed on the resource periodically reporting the channel state information:

Performing a feedback operation on the resource periodically reporting the channel state information;

And performing a feedback operation when the resource that periodically reports the channel state information is a physical uplink control channel;

And performing a feedback operation when the resource that periodically reports the channel state information is a physical uplink shared channel;

The feedback operation is performed in a case where the channel state information is measured last time before the resource for periodically reporting the channel state information is the designated subframe type.
The method according to claim 30, wherein the resource for aperiodic reporting of the channel state information is determined by at least one of:

Determining, according to the t+k3 timing relationship, the resource for reporting the channel state information aperiodically according to a t+k3 timing relationship, where t is a positive integer, according to a subframe index t where the fifth DCI signaling is used to trigger the reporting of the channel state information. K3 is a positive integer or a set of positive integers greater than or equal to 0;

Determining, by the sixth DCI signaling, a subframe position that reports the channel state information, and determining, by the non-period, the resource of the channel state information;

And determining, according to the Pth PUSCH or the PUCCH location after the fifth DCI signaling that is used to trigger the reporting of the channel state information, the resource that periodically reports the channel state information, where P is greater than or equal to 0. An integer or a collection of integers;

Determining the resource for periodically reporting the channel state information according to the channel state information reported by the DCI signaling and/or the indicated channel state information.
The method according to claim 30, wherein the subframe position of the measurement resource is determined by a resource location of the reported resource, wherein a subframe position of the measurement resource is determined by a resource location of the reported resource, including the following At least one:

Determining, according to the timing relationship x1-y1, the subframe position of the measurement resource according to the subframe position index x1 of the reporting resource;

The subframe position corresponding to the specific subframe type before the subframe position index x1 of the reporting resource is determined as the subframe position of the measurement resource; wherein x1, y1 are integers greater than 0.
The method according to claim 30, wherein the location of the measurement reference signal is determined by a resource location of the reporting resource, wherein the location of the measurement reference signal is determined by the resource location of the reporting resource to include at least one of the following:

Determining, according to the timing relationship x2-y2, the location of the measurement reference signal according to the subframe position index x2 of the reporting resource; wherein x2, y2 are integers greater than 0;

The subframe position corresponding to the specific subframe type before the subframe position index x2 of the reported resource is determined as the position of the measurement reference signal.
The method of claim 1, wherein the channel state information comprises at least one of:

The channel quality indicator CQI on at least one of the following subframes: a fixed downlink subframe, a flexible subframe, a single frequency network multicast/broadcast MBSFN subframe, and a downlink subframe of at least one of the N classes;

CQI corresponding to one or more frequency domain resources specified or configured on at least one of the following subframes: at least one of a fixed downlink subframe, a flexible subframe, a single frequency network multicast/broadcast MBSFN subframe, and a N class Downlink subframe;

An index of the frequency domain resource and a CQI of the frequency domain resource corresponding to the index;

a CQI of a frequency domain resource corresponding to the subframe type and the subframe type;

CQI of frequency domain resources arranged in a preset order in the frequency domain;

a CQI of a frequency domain resource corresponding to at least one of the N types of subframes;

a CQI of a frequency domain resource corresponding to one or more subframes of the measurement resource;

a CQI of a frequency domain resource corresponding to at least one of the N types of subframes of the measurement resource;

The frequency domain resource includes at least one of the following: a broadband, a narrowband, a PRB, an RBG, an RE, and a REG; and N is an integer greater than 0.
The method according to claim 36, wherein the CQI of the frequency domain resource corresponding to the index comprises at least one of the following:

a CQI on the first wideband, the first wideband consisting of all the broadband corresponding to the index of the wideband; the wideband consisting of all narrowbands corresponding to the index of the narrowband; the narrowband consisting of all PRBs corresponding to the index of the PRB or The RBG is composed of all the REs corresponding to the index of the REG, and the RBG is composed of all REs corresponding to the index of the REG.
The method according to claim 36, wherein the CQI of the frequency domain resource corresponding to the subframe type comprises at least one of the following:

a CQI on the second wideband, the second wideband being composed of all frequency domain resources to which the subframe type corresponds.
The method of any one of claims 36 to 38, wherein the CQI comprises at least one of the following:

Absolute value CQI; relative value CQI; extended CQI.
The method according to any one of claims 36 to 38, wherein the interference link direction information is obtained by the SINR, or CQI value corresponding to the CQI, including at least one of the following:

A positive SINR indicates that there is cross-link interference or no cross-link interference;

A negative SINR indicates that there is no cross-link interference or there is cross-link interference;

A CQI value greater than or equal to a predetermined value or located within a predetermined interval indicates that there is cross-link interference.
The method of claim 36, wherein the channel state information further comprises at least one of the following:

The precoding matrix on the measurement resource indicates a PMI;

The precoding type on the measurement resource indicates a PTI;

The rank indication RI on the measurement resource;

At least one of the following one of the measurement resources or the N types of subframes: interference link direction, strong interference source, weak interference source, first M strong interference sources, first M weak interference sources, strong Cross-link interference source, weak cross-link interference source, first M strong-cross-link interference sources, first M weak-cross-link interference sources, interference strength of neighboring devices, device identification of strong interference, strong interference The interference strength of the equipment, the equipment identification of the weak interference, the interference strength of the weakly interfered equipment, the equipment identification of the first M strong cross-link interference, the interference strength of the equipment of the first M cross-link interference, and the former M weak cross-chain Equipment identification of road interference, interference strength of equipment of the first M weak cross-link interference, strong interference transmission and reception beam identification, weak interference transmission and reception beam identification; subframe type; index of frequency domain resources; where M is greater than or equal to 1 The integer.
A method for processing channel state information includes:

And sending the configuration information, where the configuration information includes at least one of the following: the measurement resource configuration information, the channel state information report configuration information, where the measurement resource configuration information is used by the measurement resource indicated by the terminal in the measurement resource configuration information. The channel state information is measured, and the channel state information report configuration information is used by the terminal to feed back the measured channel state information on the reporting resource according to the reporting rule indicated by the channel state information reporting configuration information.
The method of claim 42, wherein the measurement resource configuration information comprises at least one of the following:

Measuring the subframe position of the resource; measuring the interval or period between resources; measuring the subframe type of the resource; measuring the time window of the resource; measuring the reference signal information; measuring the frequency domain resource on the resource; measuring the request indication information;

The frequency domain resource includes at least one of: one or more narrowbands; one broadband; one or more physical resource blocks PRB; one or more physical resource groups RBG; one or more resource particles RE; Multiple resource particle group REGs.
A processing device for channel state information, comprising:

a receiving module, configured to receive configuration information, where the configuration information includes at least one of the following: measurement resource configuration information, and channel state information report configuration information;

The operation module is configured to perform, according to the configuration information, at least one of: measuring channel state information on the measurement resource indicated by the measurement resource configuration information, and carrying the measurement reference signal information indicated by the measurement resource configuration information And measuring the channel state information on the resource corresponding to the indicated reference signal, and reporting the channel state information that is measured and reported on the reporting resource according to the reporting rule indicated by the channel state information reporting configuration information.
The apparatus of claim 44, wherein the measurement resource configuration information comprises at least one of the following:

Measuring the subframe position of the resource; measuring the interval or period between resources; measuring the subframe type of the resource; measuring the time window of the resource; measuring the reference signal information; measuring the frequency domain resource on the resource; measuring the request indication information;

The frequency domain resource includes at least one of: one or more narrowbands; one broadband; one or more physical resource blocks PRB; one or more physical resource groups RBG; one or more resource particles RE; Multiple resource particle group REGs.
A processing device for channel state information, comprising:

a sending module, configured to send configuration information, where the configuration information includes at least one of: measurement resource configuration information, channel state information report configuration information, where the measurement resource configuration information is used by the terminal in the measurement resource configuration The channel state information is measured on the measurement resource indicated by the information, and the channel state information report configuration information is used by the terminal to feed back the measured channel state information on the reporting resource according to the reporting rule indicated by the channel state information reporting configuration information.
The apparatus of claim 46, wherein the measurement resource configuration information comprises at least one of the following:

Measuring the sub-frame position of the resource; measuring the interval or period between resources; measuring the sub-frame type of the resource; measuring the time window of the resource; measuring the reference signal information; measuring the frequency domain resource on the resource; measuring the request indication information;

The frequency domain resource includes at least one of: one or more narrowbands; one broadband; one or more physical resource blocks PRB; one or more physical resource groups RBG; one or more resource particles RE; Multiple resource particle group REGs.
A terminal comprising:

a processor configured to receive configuration information, where the configuration information includes at least one of: measurement resource configuration information, channel state information reporting configuration information; and performing at least one of: performing the measurement according to the configuration information The channel state information is measured on the measurement resource indicated by the resource configuration information, and the channel state information is measured on the resource corresponding to the indicated reference signal carried in the measurement reference signal information indicated by the measurement resource configuration information, and the channel state information is reported according to the channel state information. The reporting rule indicated by the configuration information feeds back the measured channel state information on the reporting resource;

a memory coupled to the processor.
The terminal according to claim 48, wherein the measurement resource configuration information comprises at least one of the following:

Measuring the subframe position of the resource; measuring the interval or period between resources; measuring the subframe type of the resource; measuring the time window of the resource; measuring the reference signal information; measuring the frequency domain resource on the resource; measuring the request indication information;

The frequency domain resource includes at least one of: one or more narrowbands; one broadband; one or more physical resource blocks PRB; one or more physical resource groups RBG; one or more resource particles RE; Multiple resource particle group REGs.
A base station comprising:

The processor is configured to send configuration information, where the configuration information includes at least one of: measurement resource configuration information, channel state information report configuration information, where the measurement resource configuration information is used by the terminal in the measurement resource configuration The channel state information is measured on the measurement resource indicated by the information, and the channel state information report configuration information is used by the terminal to feed back the measured channel state information on the reporting resource according to the reporting rule indicated by the channel state information reporting configuration information;

a memory coupled to the processor.
The base station according to claim 50, wherein the measurement resource configuration information comprises at least one of the following:

Measuring the subframe position of the resource; measuring the interval or period between resources; measuring the subframe type of the resource; measuring the time window of the resource; measuring the reference signal information; measuring the frequency domain resource on the resource; measuring the request indication information;

The frequency domain resource includes at least one of: one or more narrowbands; one broadband; one or more physical resource blocks PRB; one or more physical resource groups RBG; one or more resource particles RE; Multiple resource particle group REGs.
A storage medium, the storage medium comprising a stored program, wherein the program is executed to perform the method of any one of claims 1 to 41.
A storage medium, the storage medium comprising a stored program, wherein the program is executed to perform the method of any one of claims 42 to 43.
A processor for running a program, wherein the program is executed to perform the method of any one of claims 1 to 41.
A processor for running a program, wherein the program is executed to perform the method of any one of claims 42 to 43.