WO2019242024A1 - Codebook processing method and system, network device, user equipment and storage medium - Google Patents
Codebook processing method and system, network device, user equipment and storage medium Download PDFInfo
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- WO2019242024A1 WO2019242024A1 PCT/CN2018/092510 CN2018092510W WO2019242024A1 WO 2019242024 A1 WO2019242024 A1 WO 2019242024A1 CN 2018092510 W CN2018092510 W CN 2018092510W WO 2019242024 A1 WO2019242024 A1 WO 2019242024A1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/0413—MIMO systems
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- the present invention relates to the field of wireless communication technologies, and in particular, to a codebook processing method, system, network device, user equipment, and storage medium.
- embodiments of the present invention provide a codebook processing method, system, network device, user equipment, and storage medium, which can save network overhead and reduce network resource occupation.
- an embodiment of the present invention provides a codebook processing method, including:
- the UE determines codebook indication information, which corresponds to a frequency domain weighting coefficient carrying delay information; the UE sends the codebook indication information, and the codebook indication information is used by a network device to determine a channel state.
- an embodiment of the present invention provides a codebook processing method, including: a network device acquiring codebook instruction information, where the codebook instruction information corresponds to a frequency domain weighting coefficient carrying delay information; and the network device is based on the The codebook indication information determines the channel status.
- an embodiment of the present invention provides a user equipment, including:
- a first determining unit configured to determine codebook instruction information described in a codebook, where the codebook instruction information corresponds to a frequency domain weighting coefficient carrying delay information
- a first sending unit is configured to send the codebook indication information, where the codebook indication information is used by a network device to determine a channel state.
- an embodiment of the present invention provides a network device, where the network device includes:
- An obtaining unit configured to obtain codebook instruction information, where the codebook instruction information corresponds to a frequency domain weighting coefficient carrying delay information
- a second determining unit is configured to determine a channel state based on the codebook indication information.
- an embodiment of the present invention provides a user equipment, including a processor and a memory for storing a computer program capable of running on the processor, wherein the processor is configured to execute a user when the computer program is run.
- an embodiment of the present invention provides a network device, including a processor and a memory for storing a computer program capable of running on the processor, wherein the processor is configured to execute a network when the computer program is run. The steps of the codebook processing method performed by the device.
- an embodiment of the present invention provides a codebook processing method, including:
- the user equipment determines codebook instruction information, which corresponds to a frequency domain weighting factor carrying delay information; the user equipment sends the codebook instruction information; a network device obtains the codebook instruction information; the network device is based on the The codebook indication information determines the channel status.
- an embodiment of the present invention provides a codebook processing system, including:
- the user equipment is configured to determine code indication information and send the codebook indication information;
- the codebook indication information corresponds to a frequency domain weighting coefficient carrying delay information;
- the network device is configured to obtain the codebook indication information and determine a channel state based on the codebook indication information.
- an embodiment of the present invention provides a storage medium that stores an executable program.
- the executable program is executed by a processor, the foregoing codebook processing method is implemented.
- the UE determines codebook indication information, where the codebook indication information corresponds to a frequency domain weighting coefficient carrying delay information; and the determined The codebook instructions are sent to the network device. Because the codebook indication information sent by the UE to the network device has obvious correlation in the frequency domain, when the codebook indication information sent by the UE to the network device includes a frequency domain weighting coefficient carrying the delay information, the delay information carried can be A complete characterization of the frequency domain state of the channel can reduce redundant information in the channel information sent by the UE to the network device, thereby saving network overhead and reducing network resource occupation.
- FIG. 1 is an optional processing flow 1 of a codebook processing method applied to a user equipment according to an embodiment of the present invention
- FIG. 2 is a first schematic diagram of a relationship between a delay power or a probability density and a delay according to an embodiment of the present invention
- FIG. 3 is a second schematic diagram of a relationship between a delay power or a probability density and a delay according to an embodiment of the present invention
- FIG. 4 is a third schematic diagram of a relationship between a delay power or a probability density and a delay according to an embodiment of the present invention.
- FIG. 5 is a schematic diagram showing a relationship between a power or a probability density of a delay and a normalized mean delay of the delay according to an embodiment of the present invention
- FIG. 6 is an optional processing flow of a codebook processing method applied to a network device according to an embodiment of the present invention
- FIG. 7 is an optional processing flow 3 of a codebook processing method applied to a UE and a network device according to an embodiment of the present invention
- FIG. 8 is a schematic structural diagram of an optional component of a user equipment according to an embodiment of the present invention.
- FIG. 9 is a schematic diagram of an optional composition structure of a network device according to an embodiment of the present invention.
- FIG. 10 is a schematic diagram of a hardware composition and structure of an electronic device according to an embodiment of the present invention.
- the optional processing flow of the codebook processing method applied to the UE provided by the embodiment of the present invention, as shown in FIG. 1, includes the following steps:
- Step S101 The UE determines codebook indication information.
- the codebook indication information corresponds to a frequency domain weighting coefficient carrying delay information.
- the delay information is a delay quantization value between two different paths of the channel.
- a reference path is set for multiple paths of a channel, and the delay information refers to a delay quantization value between any one path and the reference path.
- the frequency domain weighting coefficients carrying delay information are represented by f i
- the i-th beam vector is represented by b i
- the amplitude and phase weighting coefficients of the i-th beam are represented by c i .
- ⁇ f is the time domain interval
- ⁇ i is the time delay of the i-th path with respect to the reference path.
- N is the number of FFT points
- q is the ratio of the frequency domain interval to the subcarrier interval.
- the frequency domain weighting coefficient of the codebook in the frequency domain k carrying the delay information is expressed as:
- an optional implementation process for the UE to determine the codebook indication information is that the UE selects a frequency domain weighting coefficient that carries the delay information from at least one frequency domain weighting coefficient that carries the delay information agreed with the network device.
- the UE also selects a beam vector, a beam amplitude and phase weighting coefficient based on the channel response value, and selects the selected The codebook instruction information corresponding to the codebook instruction information corresponding to the beam vector, and the codebook instruction information corresponding to the beam amplitude and phase weighting coefficient are reported to the network device.
- the delay information is a delay quantization value between two different paths of a channel, that is, a delay quantization value obtained by quantizing a delay between two different paths of a channel.
- Quantifying the delay between two different paths of a channel includes uniform quantization of the delay and non-uniform quantization of the delay. In the following, the uniform quantization and non-uniform quantization of the delay will be described in detail respectively.
- An optional implementation manner 1 for uniformly quantizing the delay is:
- T is a predefined maximum delay
- the value range of T can be any value, such as the length of a Cyclic Prefix (CP).
- the corresponding frequency domain weighting coefficients carrying delay information are:
- the relationship between the power or the probability density of the delay and the delay obtained based on this embodiment is shown in the first schematic diagram, as shown in FIG. 2, where the abscissa represents the normalized delay, and the ordinate represents the power or probability density of the delay.
- the ratio of the power of each quantized value on the delay power spectrum is constant, then the k-th quantized value of the delay is:
- the root mean square for the delay distribution is Negative exponential distribution When the probability of the delay corresponding to any two quantization levels in the delay probability distribution is equal, the delay between two different paths of the channel is quantized and obtained. Or for a time-delayed power spectrum with a negative exponential distribution with rms ⁇ D When the powers of the delays corresponding to any two quantization levels in the delay power spectrum are equal, the delay between two different paths of the channel is quantized and obtained.
- the second relationship between the power or the probability density of the delay and the delay obtained according to this embodiment is shown in Fig. 3; where the abscissa represents the normalized delay and the ordinate represents the power or probability density of the delay.
- the area between the negative exponential distribution curve and the abscissa and ordinate is divided into M parts according to the quantization level, and the area of each part obtained is 1 / M; and the centroid is determined according to the boundary obtained by the division, and the centroid is Delay value.
- the determined delay value is quantized based on Table 1 to obtain a delay quantization value.
- the delay value is:
- x k is the k-th quantization coefficient in the corresponding quantization level 2/4/6/8, and ⁇ can be Or ⁇ D.
- the corresponding frequency domain weighting coefficients carrying delay information are:
- [A i ] may be rounding up, down, rounding, or not quantizing the delay quantization value. 4.
- An optional implementation manner 2 for non-uniform quantization of delay is:
- Option 2 for non-uniform quantization of delay is similar to Option 1 for non-uniform quantization of delay, the difference is that Option 2 for non-uniform quantization of delay includes time
- the quantization level with a delayed quantization value of 0 can be understood as corresponding to the set quantization level 2/4/8/16.
- the quantization coefficient is also 0, as shown in Table 2:
- x k is the k-th quantization coefficient in the corresponding quantization level 2/4/6/8, and ⁇ can be Or ⁇ D.
- the corresponding frequency domain weighting coefficients carrying delay information are:
- [A i ] may be rounding up, down, rounding, or not quantizing the delay quantization value. 5.
- the third optional implementation manner of non-uniform quantization of delay is:
- the root mean square for the delay distribution is Negative exponential distribution When the probability of the delay corresponding to any two quantization levels in the delay probability distribution is equal, the delay between two different paths of the channel is quantized and obtained. Or for a time-delayed power spectrum with a negative exponential distribution with rms ⁇ D When the powers of the delays corresponding to any two quantization levels in the delay power spectrum are equal, the delay between two different paths of the channel is quantized and obtained.
- the relationship between the power of the delay or the probability density and the delay obtained according to the third embodiment is shown in the third schematic diagram, as shown in FIG. 4;
- the area between the negative exponential distribution curve and the abscissa and ordinate is divided into M parts according to the quantization level, and the area of each part obtained is 1 / M; and the boundary obtained by the division is determined as the time delay value.
- the delay value is quantized based on Table 3 to obtain the delay quantization value.
- the delay value is:
- x k is the k-th quantization coefficient in the corresponding quantization level 2/4/6/8, and ⁇ can be Or ⁇ D.
- the corresponding frequency domain weighting coefficients carrying delay information are:
- [A i ] may be rounding up, down, rounding, or not quantizing the delay quantization value.
- An optional implementation manner 4 for non-uniform quantization of the delay is:
- the determined delay value is quantized based on Table 4 to obtain the delay quantization value.
- x k is the k-th quantization coefficient in the corresponding quantization level 2/4/6/8, and ⁇ can be Or ⁇ D.
- the corresponding frequency domain weighting coefficients carrying delay information are:
- the fifth alternative embodiment of non-uniform quantization of delay is similar to the fourth alternative embodiment of non-uniform quantization of delay, except that the fifth alternative embodiment of non-uniform quantization of delay includes time.
- the quantization level with a delay quantization value of 0 uses the Llody-Max algorithm to calculate the delay quantization value corresponding to the M-1 level. It can be understood that the corresponding quantization level 2/4/8/16 is set. When the number of quantization levels is 0, the quantization coefficient is also 0, as shown in Table 5:
- x k is the k-th quantization coefficient in the corresponding quantization level 2/4/6/8, and ⁇ can be Or ⁇ D.
- the corresponding frequency domain weighting coefficients carrying delay information are:
- the determined delay value is quantized based on Table 6 to obtain the delay quantization value.
- x k is the k-th quantization coefficient in the corresponding quantization level 2/4/6/8, and ⁇ can be Or ⁇ D.
- the corresponding frequency domain weighting coefficients carrying delay information are:
- FIG. 5 shows the fourth schematic diagram of the relationship between the power or probability density of the obtained delay and the normalized mean square error of the delay based on the above-mentioned optional implementation of the non-uniform quantization of the delay.
- Step S102 The UE sends the codebook indication information.
- the UE receives a report request message sent by the network side, and the report request message is used after the network device requests the UE to send the codebook indication information, and the UE sends a report request message to the network based on the report request message.
- the device sends codebook instructions.
- the designated time refers to the preset reporting time of the UE to report the codebook instruction information; the designated time refers to or preset the reporting period of the UE to report the codebook instruction information, and the UE calculates the reporting time based on the reporting period When the preset reporting time arrives, the UE sends codebook instruction information.
- the implementation process of the codebook indication information sent by the UE under specific network configuration parameters is exemplified below.
- the UE selects one f i from the set corresponding to f to report to the network side, and the UE also reports c i and b i .
- An optional processing flow of a codebook processing method applied to a network device according to an embodiment of the present invention, as shown in FIG. 6, includes the following steps:
- Step S201 The network device obtains codebook instruction information.
- the codebook indication information acquired by the network device corresponds to a frequency domain weighting coefficient carrying delay information.
- the codebook indication information obtained by the network device refers to the network device receiving the codebook indication information sent by the UE.
- the codebook indication information obtained by the network device may be that when the UE arrives at a specified time, the UE actively triggers sending the codebook indication information to the network device. It may also be a network device sending a report request to the UE.
- the UE sends codebook instruction information; the UE sends codebook instruction information to the network device based on a report request sent by the network device.
- the delay information is a delay quantization value between two different paths of a channel.
- the method for acquiring the delay quantization value is the same as the method for acquiring the delay quantization value in the foregoing embodiment, and details are not described herein again.
- Step S202 The network device determines a channel state based on the codebook indication information.
- the network device matches the frequency domain weighting factor of the delay information corresponding to the received codebook indication information in the frequency domain weighting coefficient set of the delay information carried with the UE and is based on the received codebook
- the indication information determines the beam vector and the amplitude and phase weighting coefficients of the beam.
- the network device before the network device determines the channel state, it further receives codebook indication information corresponding to the beam vector and codebook indication information corresponding to the amplitude and phase weighting coefficients of the beam.
- the network device calculates a product of the frequency domain weighting coefficient carrying the delay information, the beam vector, the amplitude of the beam, and the phase weighting coefficient corresponding to i beams to obtain i first values; The values are summed to obtain a second value, where the second value is used to characterize the channel state, and i is a positive integer.
- b i is the i-th beam vector and c i is the amplitude and phase weighting coefficient corresponding to the i-th beam
- the optional processing flow of the codebook processing method applied to the UE and the network device according to the embodiment of the present invention, as shown in FIG. 7, includes the following steps:
- Step S301 The UE determines codebook indication information.
- the UE selects a frequency domain weighting factor carrying delay information according to the delay parameter and quantization level agreed with the network device, and the UE selects a beam vector and a beam amplitude and phase weighting factor according to the channel response value. ;
- the UE determines a selected frequency domain weighting factor carrying the delay information, a beam vector, and a beam vector and a beam amplitude and phase weighting coefficient corresponding to the codebook indication information corresponding to the codebook indication information; therefore, the codebook indication information Corresponding to frequency domain weighting coefficients carrying beam delay information, beam vector, beam amplitude and phase weighting coefficients.
- Step S302 The network device sends a report request message to the UE.
- the report request message is used to request the UE to report the codebook indication information to the network device.
- Step S303 The UE reports codebook instruction information to the network device.
- Step S304 The network device obtains codebook instruction information.
- the network device obtaining the codebook indication information refers to the network equipment receiving the codebook indication information reported by the UE.
- Step S305 The network device determines a channel state based on the codebook indication information.
- the network device matches the frequency domain weighting factor of the delay information corresponding to the received codebook indication information in a pre-configured frequency domain weighting coefficient set carrying the delay information, and is based on the received codebook indication
- the information determines the beam vector and beam amplitude and phase weighting coefficients.
- the network device calculates a product of the frequency domain weighting coefficient carrying the delay information, the beam vector, the amplitude of the beam, and the phase weighting coefficient corresponding to i beams to obtain i first values; The values are summed to obtain a second value, where the second value is used to characterize the channel state, and i is a positive integer.
- b i is the i-th beam vector and c i is the amplitude and phase weighting coefficient corresponding to the i-th beam
- the codebook processing method provided by the embodiment of the present invention is described below based on different network parameter configurations.
- An alternative implementation manner of uniform quantization is:
- the non-uniform quantization of the delay in an optional implementation manner 4, the following are obtained:
- the base station obtains L ⁇ c k , b k , f k ⁇ , Determine the channel state on the k-th subcarrier.
- the number of delay quantization bits is 2 and 3
- the root mean square of multipath delay is The number of FFT points is 2048.
- the base station obtains M And LM After, follow Determine the channel state on the k-th subcarrier.
- the frequency domain interval is 1 subband
- q 48
- the number of delay quantization bits is 2
- the root mean square of multipath delay is 2048
- an embodiment of the present invention further provides a network device.
- the composition structure of the user equipment 400 includes:
- the first determining unit 401 is configured to determine codebook indication information, where the codebook indication information corresponds to a frequency domain weighting coefficient carrying delay information.
- the first sending unit 402 is configured to send the codebook indication information, where the codebook indication information is used by a network device to determine a channel state.
- the first determining unit 401 is further configured to determine codebook indication information corresponding to a beam vector, and determine codebook indication information corresponding to an amplitude and a phase weighting coefficient of a beam;
- the first sending unit 402 is further configured to send codebook indication information corresponding to the beam vector, and send codebook indication information corresponding to the amplitude and phase weighting coefficients of the beam.
- the first determining unit 401 agrees with the network device on at least one frequency domain weighting coefficient that carries delay information
- the first sending unit 402 is configured to send the codebook instruction information when a specified time arrives.
- the user equipment 400 further includes:
- the receiving unit 403 is configured to receive a report request message, where the report request message is used by the network device to request the UE to send the codebook indication information.
- the delay information is a delay quantization value between two different paths of a channel.
- the delay quantization value is obtained by quantizing the delays of two different paths of the channel when the powers of the delays corresponding to any two quantization levels in the delay power spectrum are equal.
- the delay quantization value is obtained by quantizing the delays of two different paths of a channel when the probability of the delay corresponding to any two quantization levels in the delay probability distribution is equal.
- the delay quantization value is obtained by quantizing the delay between two different paths of the channel according to a predetermined number of quantization levels based on the Llody-Max algorithm.
- the delay quantization value is related to a preset maximum delay value, a sequence number of quantization values, and a quantization level.
- the delay quantization value is positively related to the preset maximum delay value and the number of quantization sequences, and the delay quantization value is negatively related to the quantization level.
- the quantization level includes a quantization level with a delay quantization value of zero, or the quantization level does not include a quantization level with a delay quantization value of zero.
- an embodiment of the present invention further provides a network device.
- the composition structure of the network device 500 includes:
- the obtaining unit 501 is configured to obtain codebook instruction information, where the codebook instruction information corresponds to a frequency domain weighting coefficient carrying delay information;
- the second determining unit 502 is configured to determine a channel state based on the codebook indication information.
- the obtaining unit is further configured to obtain codebook indication information corresponding to a beam vector, and obtain codebook indication information corresponding to an amplitude and a phase weighting coefficient of a beam.
- the second determining unit 502 is configured to calculate a product of the frequency domain weighting coefficient, the beam vector, the beam amplitude, and the phase weighting coefficient corresponding to the i-beams carrying the delay information to obtain i Sum the i first values to obtain a second value, and the second value is used to characterize the channel state.
- the network device further includes:
- the second sending unit 503 is configured to send a report request message, where the report request message is used to request the user equipment to send the codebook indication information.
- the delay information is a delay quantization value between two different paths of a channel.
- the delay quantization value is obtained by quantizing the delays of two different paths of the channel when the powers of the delays corresponding to any two quantization levels in the delay power spectrum are equal.
- the delay quantization value is obtained by quantizing the delays of two different paths of the channel when the delay probabilities corresponding to any two quantization levels in the delay probability distribution are equal.
- the delay quantization value is obtained by quantizing the delay between two different paths of the channel according to a predetermined number of quantization levels based on the Llody-Max algorithm.
- the delay quantization value is related to a preset maximum delay value, a sequence number of quantization values, and a quantization level.
- the delay quantization value is positively related to the preset maximum delay value and the number of quantization sequences, and the delay quantization value is negatively related to the quantization level.
- the quantization level includes a quantization level with a delay quantization value of zero, or the quantization level does not include a quantization level with a delay quantization value of zero.
- An embodiment of the present invention further provides a codebook processing system, where the codebook processing system includes the network device and the UE described in the foregoing embodiments.
- An embodiment of the present invention further provides a storage medium that stores an executable program.
- the executable program is executed by a processor, the foregoing codebook processing method is implemented.
- FIG. 10 is a schematic diagram of a hardware composition structure of an electronic device (network device or UE) according to an embodiment of the present invention.
- the electronic device 1600 includes: at least one processor 1601, a memory 1602, and at least one network interface 1604.
- the various components in the electronic device 1600 are coupled together through a bus system 1605. It can be understood that the bus system 1605 is used to implement connection and communication between these components.
- the bus system 705 includes a power bus, a control bus, and a status signal bus in addition to the data bus. However, for the sake of clarity, various buses are marked as the bus system 1605 in FIG. 10.
- the memory 1602 may be a volatile memory or a non-volatile memory, and may also include both volatile and non-volatile memory.
- the non-volatile memory may be ROM, Programmable Read-Only Memory (PROM), Erasable Programmable Read-Only Memory (EPROM), electrically erasable and programmable memory Programmable read-only memory (EEPROM, Electrically Programmable Read-Only Memory), magnetic random access memory (FRAM, ferromagnetic random access memory), flash memory (Flash memory), magnetic surface memory, optical disk, or read-only optical disk (CD) -ROM, Compact Disc-Read-Only Memory); magnetic surface storage can be magnetic disk storage or magnetic tape storage.
- the volatile memory may be a random access memory (RAM, Random Access Memory), which is used as an external cache.
- RAM random access memory
- RAM Random Access Memory
- many forms of RAM are available, such as Static Random Access Memory (SRAM, Static Random Access Memory), Synchronous Static Random Access Memory (SSRAM, Static Random Access, Memory), Dynamic Random Access DRAM (Dynamic Random Access Memory), Synchronous Dynamic Random Access Memory (SDRAM), Double Data Rate Synchronous Dynamic Random Access Memory (DDRSDRAM), Double Data Rate Rate Synchronous Dynamic Access Random Access Memory, Enhanced Type Synchronous Dynamic Random Access Memory (ESDRAM, Enhanced Synchronous Random Access Memory), Synchronous Link Dynamic Random Access Memory (SLDRAM, SyncLink Dynamic Access Random Access Memory), Direct Memory Bus Random Access Memory (DRRAM, Direct Rambus Random Access Memory) ).
- the memory 1602 described in the embodiments of the present invention is intended to include, but not limited to, these and any other suitable types of memory.
- the memory 1602 in the embodiment of the present invention is used to store various types of data to support the operation of the electronic device 1600.
- Examples of such data include: any computer program for operating on the electronic device 1600, such as the application program 16022.
- a program for implementing the method of the embodiment of the present invention may be included in an application program 16022.
- the method disclosed in the foregoing embodiment of the present invention may be applied to the processor 1601, or implemented by the processor 1601.
- the processor 1601 may be an integrated circuit chip with signal processing capabilities. In the implementation process, each step of the above method may be completed by an integrated logic circuit of hardware in the processor 1601 or an instruction in the form of software.
- the processor 1601 may be a general-purpose processor, a digital signal processor (DSP, Digital Signal Processor), or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, and the like.
- DSP Digital Signal Processor
- the processor 1601 may implement or execute various methods, steps, and logic block diagrams disclosed in the embodiments of the present invention.
- a general-purpose processor may be a microprocessor or any conventional processor.
- the steps of the method disclosed in the embodiments of the present invention may be directly implemented by a hardware decoding processor, or may be performed by a combination of hardware and software modules in the decoding processor.
- the software module may be located in a storage medium.
- the storage medium is located in the memory 1602.
- the processor 1601 reads the information in the memory 1602 and completes the steps of the foregoing method in combination with its hardware.
- the electronic device 1600 may be implemented by one or more Application Specific Integrated Circuits (ASICs), DSPs, Programmable Logic Devices (PLDs), and Complex Programmable Logic Devices (CPLDs). (Complex Programmable Logic Device), FPGA, general-purpose processor, controller, MCU, MPU, or other electronic components to implement the foregoing methods.
- ASICs Application Specific Integrated Circuits
- DSPs Digital Signal processors
- PLDs Programmable Logic Devices
- CPLDs Complex Programmable Logic Devices
- FPGA Complex Programmable Logic Device
- controller MCU
- MPU MPU
- These computer program instructions may also be stored in a computer-readable memory capable of directing a computer or other programmable data processing device to work in a specific manner such that the instructions stored in the computer-readable memory produce a manufactured article including an instruction device, the instructions
- the device implements the functions specified in one or more flowcharts and / or one or more blocks of the block diagram.
- These computer program instructions can also be loaded onto a computer or other programmable data processing device, so that a series of steps can be performed on the computer or other programmable device to produce a computer-implemented process, which can be executed on the computer or other programmable device.
- the instructions provide steps for implementing the functions specified in one or more flowcharts and / or one or more blocks of the block diagrams.
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Abstract
Disclosed is a codebook processing method, comprising: a user equipment determining codebook indication information, and sending the codebook indication information to a network device, wherein the codebook indication information corresponds to a frequency domain weighting coefficient carrying delay information; and the network device acquiring the codebook indication information, and determining a channel state based on the codebook indication information. Further disclosed are another codebook processing method, a network device, a user equipment and a storage medium.
Description
本发明涉及无线通信技术领域,尤其涉及一种码本处理方法、、***、网络设备、用户设备及存储介质。The present invention relates to the field of wireless communication technologies, and in particular, to a codebook processing method, system, network device, user equipment, and storage medium.
第五代(5
th Generation,5G)新无线(New Radio,NR)***中,TypeⅡ码本由于空间量化精度高、TypeⅡ码本在每个频域子带独立编码,因此,用户设备(User Equipment,UE)需要向网络设备反馈大量的信道信息,占用了大量的网络资源,增大了网络开销。
Fifth Generation (5 th Generation, 5G) new radio (New Radio, NR) system, since the space T ype Ⅱ quantization codebook high precision, T ype Ⅱ codebook User Equipment each frequency domain subband independently coded, and therefore, a user equipment ( , UE) needs to feed back a large amount of channel information to the network device, occupying a large amount of network resources and increasing network overhead.
发明内容Summary of the Invention
为解决上述技术问题,本发明实施例提供一种码本处理方法、***、网络设备、用户设备及存储介质,能够节省网络开销,降低网络资源占用。To solve the above technical problems, embodiments of the present invention provide a codebook processing method, system, network device, user equipment, and storage medium, which can save network overhead and reduce network resource occupation.
第一方面,本发明实施例提供一种码本处理方法,包括:In a first aspect, an embodiment of the present invention provides a codebook processing method, including:
UE确定码本指示信息,所述码本指示信息对应于携带时延信息的频域加权系数;所述UE发送所述码本指示信息,所述码本指示信息用于网络设备确定信道状态。The UE determines codebook indication information, which corresponds to a frequency domain weighting coefficient carrying delay information; the UE sends the codebook indication information, and the codebook indication information is used by a network device to determine a channel state.
第二方面,本发明实施例提供一种码本处理方法,包括:网络设备获取码本指示信息,所述码本指示信息对应于携带时延信息的频域加权系数;所述网络设备基于所述码本指示信息确定信道状态。In a second aspect, an embodiment of the present invention provides a codebook processing method, including: a network device acquiring codebook instruction information, where the codebook instruction information corresponds to a frequency domain weighting coefficient carrying delay information; and the network device is based on the The codebook indication information determines the channel status.
第三方面,本发明实施例提供一种用户设备,包括:According to a third aspect, an embodiment of the present invention provides a user equipment, including:
第一确定单元,配置为确定码本所述码本指示信息;所述码本指示信息对应于携带时延信息的频域加权系数;A first determining unit configured to determine codebook instruction information described in a codebook, where the codebook instruction information corresponds to a frequency domain weighting coefficient carrying delay information;
第一发送单元,配置为发送所述码本指示信息,所述码本指示信息用于网络设备确定信道状态。A first sending unit is configured to send the codebook indication information, where the codebook indication information is used by a network device to determine a channel state.
第四方面,本发明实施例提供一种网络设备,所述网络设备包括:According to a fourth aspect, an embodiment of the present invention provides a network device, where the network device includes:
获取单元,配置为获取码本指示信息,所述码本指示信息对应于携带时延信息的频域加权系数;An obtaining unit configured to obtain codebook instruction information, where the codebook instruction information corresponds to a frequency domain weighting coefficient carrying delay information;
第二确定单元,配置为基于所述码本指示信息确定信道状态。A second determining unit is configured to determine a channel state based on the codebook indication information.
第五方面,本发明实施例提供一种用户设备,包括:处理器和用于存储能够在处理器上运行的计算机程序的存储器,其中,所述处理器用于运行所述计算机程序时,执行用户设备执行的码本处理方法的步骤。According to a fifth aspect, an embodiment of the present invention provides a user equipment, including a processor and a memory for storing a computer program capable of running on the processor, wherein the processor is configured to execute a user when the computer program is run. The steps of the codebook processing method performed by the device.
第六方面,本发明实施例提供一种网络设备,包括:处理器和用于存储能够在处理器上运行的计算机程序的存储器,其中,所述处理器用于运行所述计算机程序时,执行网络设备执行的码本处理方法的步骤。According to a sixth aspect, an embodiment of the present invention provides a network device, including a processor and a memory for storing a computer program capable of running on the processor, wherein the processor is configured to execute a network when the computer program is run. The steps of the codebook processing method performed by the device.
第七方面,本发明实施例提供一种码本处理方法,包括:In a seventh aspect, an embodiment of the present invention provides a codebook processing method, including:
用户设备确定码本指示信息,所述码本指示信息对应于携带时延信息的频域加权系数;用户设备发送所述码本指示信息;网络设备获取所述码本指示信息;网络设备 基于所述码本指示信息确定信道状态。The user equipment determines codebook instruction information, which corresponds to a frequency domain weighting factor carrying delay information; the user equipment sends the codebook instruction information; a network device obtains the codebook instruction information; the network device is based on the The codebook indication information determines the channel status.
第八方面,本发明实施例提供一种码本处理***,包括:In an eighth aspect, an embodiment of the present invention provides a codebook processing system, including:
用户设备,配置为确定码指示信息,并发送所述码本指示信息;所述码本指示信息对应于携带时延信息的频域加权系数;The user equipment is configured to determine code indication information and send the codebook indication information; the codebook indication information corresponds to a frequency domain weighting coefficient carrying delay information;
网络设备,配置为获取所述码本指示信息,基于所述码本指示信息确定信道状态。The network device is configured to obtain the codebook indication information and determine a channel state based on the codebook indication information.
第九方面,本发明实施例提供存储介质,存储有可执行程序,所述可执行程序被处理器执行时,实现上述的码本处理方法。In a ninth aspect, an embodiment of the present invention provides a storage medium that stores an executable program. When the executable program is executed by a processor, the foregoing codebook processing method is implemented.
本发明实施例提供的码本处理方法、***、网络设备、UE和存储介质,UE确定码本指示信息,所述码本指示信息对应于携带时延信息的频域加权系数;并将确定的码本指示信息发送至网络设备。由于UE向网络设备发送的码本指示信息在频域上具有明显的相关性,UE向网络设备发送的码本指示信息中包括携带时延信息的频域加权系数时,携带的时延信息可以完整的表征信道的频域状态,如此能够减少UE向网络设备发送的信道信息中的冗余信息,进而节省了网络开销,降低了网络资源占用。The codebook processing method, system, network device, UE, and storage medium provided by the embodiments of the present invention, the UE determines codebook indication information, where the codebook indication information corresponds to a frequency domain weighting coefficient carrying delay information; and the determined The codebook instructions are sent to the network device. Because the codebook indication information sent by the UE to the network device has obvious correlation in the frequency domain, when the codebook indication information sent by the UE to the network device includes a frequency domain weighting coefficient carrying the delay information, the delay information carried can be A complete characterization of the frequency domain state of the channel can reduce redundant information in the channel information sent by the UE to the network device, thereby saving network overhead and reducing network resource occupation.
图1为本发明实施例提供的应用于用户设备的码本处理方法的可选处理流程一;FIG. 1 is an optional processing flow 1 of a codebook processing method applied to a user equipment according to an embodiment of the present invention; FIG.
图2为本发明实施例时延的功率或概率密度与时延的关系示意图一;2 is a first schematic diagram of a relationship between a delay power or a probability density and a delay according to an embodiment of the present invention;
图3为本发明实施例时延的功率或概率密度与时延的关系示意图二;3 is a second schematic diagram of a relationship between a delay power or a probability density and a delay according to an embodiment of the present invention;
图4为本发明实施例时延的功率或概率密度与时延的关系示意图三;4 is a third schematic diagram of a relationship between a delay power or a probability density and a delay according to an embodiment of the present invention;
图5为本发明实施例时延的功率或概率密度与归一化的时延的均方差关系示意图;FIG. 5 is a schematic diagram showing a relationship between a power or a probability density of a delay and a normalized mean delay of the delay according to an embodiment of the present invention; FIG.
图6为本发明实施例提供的应用于网络设备的码本处理方法的可选处理流程;6 is an optional processing flow of a codebook processing method applied to a network device according to an embodiment of the present invention;
图7为本发明实施例提供的应用于UE和网络设备的码本处理方法的可选处理流程三;7 is an optional processing flow 3 of a codebook processing method applied to a UE and a network device according to an embodiment of the present invention;
图8为本发明实施例提供的用户设备的一个可选组成结构示意图;8 is a schematic structural diagram of an optional component of a user equipment according to an embodiment of the present invention;
图9为本发明实施例提供的网络设备的一个可选组成结构示意图;9 is a schematic diagram of an optional composition structure of a network device according to an embodiment of the present invention;
图10为本发明实施例提供的电子设备的硬件组成结构示意图。FIG. 10 is a schematic diagram of a hardware composition and structure of an electronic device according to an embodiment of the present invention.
为了能够更加详尽地了解本发明实施例的特点和技术内容,下面结合附图对本发明实施例的实现进行详细阐述,所附附图仅供参考说明之用,并非用来限定本发明实施例。In order to understand the features and technical contents of the embodiments of the present invention in more detail, the implementation of the embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The accompanying drawings are for reference only and are not intended to limit the embodiments of the present invention.
本发明实施例提供的应用于UE的码本处理方法的可选处理流程,如图1所示,包括以下步骤:The optional processing flow of the codebook processing method applied to the UE provided by the embodiment of the present invention, as shown in FIG. 1, includes the following steps:
步骤S101,UE确定码本指示信息。Step S101: The UE determines codebook indication information.
在一些实施例中,码本指示信息对应于携带时延信息的频域加权系数。其中,所述时延信息为信道的两个不同径之间的时延量化值。在具体实施时,对于信道的多个径,设置一个参考径,时延信息是指任意一个径与参考径之间的时延量化值。携带时延信息的频域加权系数用f
i表示,第i个波束向量用b
i表示,第i个波束的幅度和相位加权系数用c
i表示。
In some embodiments, the codebook indication information corresponds to a frequency domain weighting coefficient carrying delay information. The delay information is a delay quantization value between two different paths of the channel. In specific implementation, a reference path is set for multiple paths of a channel, and the delay information refers to a delay quantization value between any one path and the reference path. The frequency domain weighting coefficients carrying delay information are represented by f i , the i-th beam vector is represented by b i , and the amplitude and phase weighting coefficients of the i-th beam are represented by c i .
由于信道的频域响应可以表示为:Since the frequency domain response of the channel can be expressed as:
其中,△f为时域间隔,τ
i是第i径相对于参考径的时延,
是第i径的时延的采样 间隔的量化值,N是FFT点数,q是频域间隔与子载波间隔的比值。
Among them, Δf is the time domain interval, and τ i is the time delay of the i-th path with respect to the reference path. Is the quantized value of the sampling interval of the delay of the i-th path, N is the number of FFT points, and q is the ratio of the frequency domain interval to the subcarrier interval.
因此,码本在频域k的携带时延信息的频域加权系数表示为:Therefore, the frequency domain weighting coefficient of the codebook in the frequency domain k carrying the delay information is expressed as:
在一些实施例中,UE确定码本指示信息的一个可选实现过程为:UE从与网络设备约定的至少一个携带时延信息的频域加权系数中选择一个携带时延信息的频域加权系数,将所选择的一个携带时延信息的频域加权系数对应的码本指示信息上报至网络设备;UE还基于信道响应值选择一个波束向量、一个波束的幅度和相位加权系数,将所选择的波束向量对应的码本指示信息对应的码本指示信息、波束的幅度和相位加权系数对应的码本指示信息上报至网络设备。In some embodiments, an optional implementation process for the UE to determine the codebook indication information is that the UE selects a frequency domain weighting coefficient that carries the delay information from at least one frequency domain weighting coefficient that carries the delay information agreed with the network device. To report the selected codebook instruction information corresponding to the frequency domain weighting coefficient carrying the delay information to the network device; the UE also selects a beam vector, a beam amplitude and phase weighting coefficient based on the channel response value, and selects the selected The codebook instruction information corresponding to the codebook instruction information corresponding to the beam vector, and the codebook instruction information corresponding to the beam amplitude and phase weighting coefficient are reported to the network device.
这里,所述时延信息为信道的两个不同径之间的时延量化值,即对信道的两个不同径之间的时延进行量化得到的时延量化值。对信道的两个不同径之间的时延进行量化包括对时延的均匀量化和对时延的非均匀量化。下面将针对时延的均匀量化和非均匀量化分别做详细说明。Here, the delay information is a delay quantization value between two different paths of a channel, that is, a delay quantization value obtained by quantizing a delay between two different paths of a channel. Quantifying the delay between two different paths of a channel includes uniform quantization of the delay and non-uniform quantization of the delay. In the following, the uniform quantization and non-uniform quantization of the delay will be described in detail respectively.
1、对时延的均匀量化的可选实施方式一为:1. An optional implementation manner 1 for uniformly quantizing the delay is:
在时延范围为[0,T]范围内,给定M级量化,时延的第k个量化值为:In the range of delay [0, T], given M-level quantization, the k-th quantization value of delay is:
其中,T是预先定义的最大时延,T的取值范围可以是任意值,如循环前缀(Cyclic Prefix,CP)的长度。Among them, T is a predefined maximum delay, and the value range of T can be any value, such as the length of a Cyclic Prefix (CP).
对应的携带时延信息的频域加权系数为:The corresponding frequency domain weighting coefficients carrying delay information are:
基于该实施方式得到的时延的功率或概率密度与时延的关系示意图一,如图2所示;其中,横坐标表示归一化的时延,纵坐标表示时延的功率或概率密度。The relationship between the power or the probability density of the delay and the delay obtained based on this embodiment is shown in the first schematic diagram, as shown in FIG. 2, where the abscissa represents the normalized delay, and the ordinate represents the power or probability density of the delay.
2、对时延的均匀量化的可选实施方式二为:2. An optional implementation manner 2 for uniformly quantizing the delay is:
给定M级量化,每个量化值在时延功率谱上的功率之比为常数,则时延的第k个量化值为:Given M-level quantization, the ratio of the power of each quantized value on the delay power spectrum is constant, then the k-th quantized value of the delay is:
a
k=kσ
Dln(X) (6)
a k = kσ D ln (X) (6)
其中,X为相邻的两个时延量化值的功率比,时延功率谱是均方根为σ
D
Where X is the power ratio of two adjacent delay quantization values, and the delay power spectrum is rms σ D
3、对时延的非均匀量化的可选实施方式一为:3. An optional implementation manner for non-uniform quantization of the delay is:
针对时延分布是均方根为
的负指数分布
采用在时延概率分布中任意两个量化等级对应的时延的概率相等时,对信道的两个不同径之间的时延进行量化获得。或针对时延功率谱是均方根为σ
D的负指数分布
采用在时延功率谱中任意两个量化等级对应的时延的功率相等时,对信道的两个不同径之间的时延进行量化获得。
The root mean square for the delay distribution is Negative exponential distribution When the probability of the delay corresponding to any two quantization levels in the delay probability distribution is equal, the delay between two different paths of the channel is quantized and obtained. Or for a time-delayed power spectrum with a negative exponential distribution with rms σ D When the powers of the delays corresponding to any two quantization levels in the delay power spectrum are equal, the delay between two different paths of the channel is quantized and obtained.
基于该实施方式得到的时延的功率或概率密度与时延的关系示意图二,如图3所示;其中,横坐标表示归一化的时延,纵坐标表示时延的功率或概率密度。将负指数分布曲线与横坐标及纵坐标之间的面积按照量化等级划分为M份,划分得到的每份的面积为1/M;并根据划分得到的边界确定质心,所述质心即为时延值,将确定的时延值基于表1进行量化,得到时延量化值。The second relationship between the power or the probability density of the delay and the delay obtained according to this embodiment is shown in Fig. 3; where the abscissa represents the normalized delay and the ordinate represents the power or probability density of the delay. The area between the negative exponential distribution curve and the abscissa and ordinate is divided into M parts according to the quantization level, and the area of each part obtained is 1 / M; and the centroid is determined according to the boundary obtained by the division, and the centroid is Delay value. The determined delay value is quantized based on Table 1 to obtain a delay quantization value.
表1Table 1
因此,针对给定的量化等级以及时延的均方根
或σ
D,第K级时延量化值为a
k=σx
k (8)
Therefore, for a given quantization level and the root mean square of the delay Or σ D , the quantization value of the K-th delay is a k = σx k (8)
其中,x
k为对应量化等级2/4/6/8中的第k级量化系数,σ可以为
或σ
D。
Where x k is the k-th quantization coefficient in the corresponding quantization level 2/4/6/8, and σ can be Or σ D.
对应的携带时延信息的频域加权系数为:The corresponding frequency domain weighting coefficients carrying delay information are:
其中,[a
i]可以是对时延量化值进行上取整、或下取整、或四舍五入,或不量化。4、对时延的非均匀量化的可选实施方式二为:
[A i ] may be rounding up, down, rounding, or not quantizing the delay quantization value. 4. An optional implementation manner 2 for non-uniform quantization of delay is:
对时延的非均匀量化的可选实施方式二与对时延的非均匀量化的可选实施方式一相似,不同之处在于,对时延的非均匀量化的可选实施方式二中含有时延量化值为0的 量化等级,可以理解为,对应设定的量化等级2/4/8/16,在量化等级数为0时,量化系数也为0,如表2所示:Option 2 for non-uniform quantization of delay is similar to Option 1 for non-uniform quantization of delay, the difference is that Option 2 for non-uniform quantization of delay includes time The quantization level with a delayed quantization value of 0 can be understood as corresponding to the set quantization level 2/4/8/16. When the number of quantization levels is 0, the quantization coefficient is also 0, as shown in Table 2:
表2Table 2
因此,针对给定的量化等级以及时延的均方根
或σ
D,第K级时延量化值为a
k=σx
k (8)
Therefore, for a given quantization level and the root mean square of the delay Or σ D , the quantization value of the K-th delay is a k = σx k (8)
其中,x
k为对应量化等级2/4/6/8中的第k级量化系数,σ可以为
或σ
D。
Where x k is the k-th quantization coefficient in the corresponding quantization level 2/4/6/8, and σ can be Or σ D.
对应的携带时延信息的频域加权系数为:The corresponding frequency domain weighting coefficients carrying delay information are:
其中,[a
i]可以是对时延量化值进行上取整、或下取整、或四舍五入,或不量化。5、对时延的非均匀量化的可选实施方式三为:
[A i ] may be rounding up, down, rounding, or not quantizing the delay quantization value. 5. The third optional implementation manner of non-uniform quantization of delay is:
针对时延分布是均方根为
的负指数分布
采用在时延概率分布中任意两个量化等级对应的时延的概率相等时,对信道的两个不同径之间的时延进 行量化获得。或针对时延功率谱是均方根为σ
D的负指数分布
采用在时延功率谱中任意两个量化等级对应的时延的功率相等时,对信道的两个不同径之间的时延进行量化获得。
The root mean square for the delay distribution is Negative exponential distribution When the probability of the delay corresponding to any two quantization levels in the delay probability distribution is equal, the delay between two different paths of the channel is quantized and obtained. Or for a time-delayed power spectrum with a negative exponential distribution with rms σ D When the powers of the delays corresponding to any two quantization levels in the delay power spectrum are equal, the delay between two different paths of the channel is quantized and obtained.
基于该实施方式得到的时延的功率或概率密度与时延的关系示意图三,如图4所示;其中,横坐标表示时延,纵坐标表示时延的功率。将负指数分布曲线与横坐标及纵坐标之间的面积按照量化等级划分为M份,划分得到的每份的面积为1/M;并根据划分得到的边界确定为时延值,将确定的时延值基于表3进行量化,得到时延量化值。The relationship between the power of the delay or the probability density and the delay obtained according to the third embodiment is shown in the third schematic diagram, as shown in FIG. 4; The area between the negative exponential distribution curve and the abscissa and ordinate is divided into M parts according to the quantization level, and the area of each part obtained is 1 / M; and the boundary obtained by the division is determined as the time delay value. The delay value is quantized based on Table 3 to obtain the delay quantization value.
表3table 3
因此,针对给定的量化等级以及时延的均方根
或σ
D,第K级时延量化值为a
k=σx
k (8)
Therefore, for a given quantization level and the root mean square of the delay Or σ D , the quantization value of the K-th delay is a k = σx k (8)
其中,x
k为对应量化等级2/4/6/8中的第k级量化系数,σ可以为
或σ
D。
Where x k is the k-th quantization coefficient in the corresponding quantization level 2/4/6/8, and σ can be Or σ D.
对应的携带时延信息的频域加权系数为:The corresponding frequency domain weighting coefficients carrying delay information are:
其中,[a
i]可以是对时延量化值进行上取整、或下取整、或四舍五入,或不量化。6、对时延的非均匀量化的可选实施方式四为:
[A i ] may be rounding up, down, rounding, or not quantizing the delay quantization value. 6. An optional implementation manner 4 for non-uniform quantization of the delay is:
在一些实施方式中,采用Llody-Max算法计算M等级对应的时延量化值时,将确定的时延值基于表4进行量化,得到时延量化值。In some embodiments, when using the Llody-Max algorithm to calculate the delay quantization value corresponding to the M level, the determined delay value is quantized based on Table 4 to obtain the delay quantization value.
表4Table 4
因此,针对给定的量化等级以及时延的均方根
或σ
D,第K级时延量化值为a
k=σx
k (8)
Therefore, for a given quantization level and the root mean square of the delay Or σ D , the quantization value of the K-th delay is a k = σx k (8)
其中,x
k为对应量化等级2/4/6/8中的第k级量化系数,σ可以为
或σ
D。
Where x k is the k-th quantization coefficient in the corresponding quantization level 2/4/6/8, and σ can be Or σ D.
对应的携带时延信息的频域加权系数为:The corresponding frequency domain weighting coefficients carrying delay information are:
7、对时延的非均匀量化的可选实施方式五为:7. An optional implementation manner 5 for non-uniform quantization of delay is:
对时延的非均匀量化的可选实施方式五与对时延的非均匀量化的可选实施方式四相似,不同之处在于,对时延的非均匀量化的可选实施方式五中含有时延量化值为0的量化等级,采用Llody-Max算法计算M-1等级对应的时延量化值。可以理解为,对应设定的量化等级2/4/8/16,在量化等级数为0时,量化系数也为0,如表5所示:The fifth alternative embodiment of non-uniform quantization of delay is similar to the fourth alternative embodiment of non-uniform quantization of delay, except that the fifth alternative embodiment of non-uniform quantization of delay includes time. The quantization level with a delay quantization value of 0 uses the Llody-Max algorithm to calculate the delay quantization value corresponding to the M-1 level. It can be understood that the corresponding quantization level 2/4/8/16 is set. When the number of quantization levels is 0, the quantization coefficient is also 0, as shown in Table 5:
表5table 5
因此,针对给定的量化等级以及时延的均方根
或σ
D,第K级时延量化值为a
k=σx
k (8)
Therefore, for a given quantization level and the root mean square of the delay Or σ D , the quantization value of the K-th delay is a k = σx k (8)
其中,x
k为对应量化等级2/4/6/8中的第k级量化系数,σ可以为
或σ
D。
Where x k is the k-th quantization coefficient in the corresponding quantization level 2/4/6/8, and σ can be Or σ D.
对应的携带时延信息的频域加权系数为:The corresponding frequency domain weighting coefficients carrying delay information are:
8、对时延的非均匀量化的可选实施方式六为:8. An optional implementation manner 6 for non-uniform quantization of delay is:
在一些实施方式中,采用Llody-Max算法计算M+1等级对应的时延量化值时,将确定的时延值基于表6进行量化,得到时延量化值。In some embodiments, when the delay quantization value corresponding to the M + 1 level is calculated using the Llody-Max algorithm, the determined delay value is quantized based on Table 6 to obtain the delay quantization value.
表6Table 6
因此,针对给定的量化等级以及时延的均方根
或σ
D,第K级时延量化值为a
k=σx
k (8)
Therefore, for a given quantization level and the root mean square of the delay Or σ D , the quantization value of the K-th delay is a k = σx k (8)
其中,x
k为对应量化等级2/4/6/8中的第k级量化系数,σ可以为
或σ
D。
Where x k is the k-th quantization coefficient in the corresponding quantization level 2/4/6/8, and σ can be Or σ D.
对应的携带时延信息的频域加权系数为:The corresponding frequency domain weighting coefficients carrying delay information are:
图5示出了基于上述对时延的非均匀量化的可选实施方式,得到的时延的功率或概率密度与归一化的时延的均方差的关系示意图四。FIG. 5 shows the fourth schematic diagram of the relationship between the power or probability density of the obtained delay and the normalized mean square error of the delay based on the above-mentioned optional implementation of the non-uniform quantization of the delay.
需要说明的是,对信道的两个不同径之间的时延进行量化的具体实现方式有多种,本发明上述实施例仅对信道的两个不同径之间的时延进行量化的部分实现方式进行说明和举例,并不限定于其他能够实现对信道的两个不同径之间的时延进行量化的实现方式。It should be noted that there are multiple specific implementations for quantizing the delay between two different paths of a channel. The foregoing embodiment of the present invention only implements part of the quantization of the delay between two different paths of a channel. The method is described and exemplified, and is not limited to other implementations capable of quantizing the delay between two different paths of a channel.
步骤S102,UE发送所述码本指示信息。Step S102: The UE sends the codebook indication information.
在一些实施例中,UE接收到网络侧发送的上报请求消息,所述上报请求消息用于所述网络设备请求所述UE发送所述码本指示信息之后,UE基于所述上报请求消息向网络设备发送码本指示信息。In some embodiments, the UE receives a report request message sent by the network side, and the report request message is used after the network device requests the UE to send the codebook indication information, and the UE sends a report request message to the network based on the report request message. The device sends codebook instructions.
在另一些实施例中,指定时刻是指预先设定的UE上报码本指示信息的上报时刻;指定时刻是指或预先设定UE上报码本指示信息的上报周期,UE基于上报周期计算上报时刻,在预设的上报时刻到达时,UE发送码本指示信息。In other embodiments, the designated time refers to the preset reporting time of the UE to report the codebook instruction information; the designated time refers to or preset the reporting period of the UE to report the codebook instruction information, and the UE calculates the reporting time based on the reporting period When the preset reporting time arrives, the UE sends codebook instruction information.
下面对特定的网络配置参数下UE发送码本指示信息的实现过程进行举例说明。网络配置参数为:时延的量化比特数为2,频域间隔为1个子载波,即q=1,时延的均方根为
FFT点数为2048,时延的量化值为a=σx={0.63,2.27,4.57,8.44},对a值四舍五入进行量化后,得到量化值为{1,2,5,8}。
The implementation process of the codebook indication information sent by the UE under specific network configuration parameters is exemplified below. The network configuration parameters are: the number of delay quantization bits is 2, the frequency domain interval is 1 subcarrier, that is, q = 1, and the root mean square of the delay is The number of FFT points is 2048, and the quantization value of the delay is a = σx = {0.63, 2.27, 4.57, 8.44}. After quantizing the value of a, the quantization value is {1,2,5,8}.
此时,at this time,
UE在f对应的集合中选择一个f
i上报至网络侧,同时UE还上报c
i和b
i。
The UE selects one f i from the set corresponding to f to report to the network side, and the UE also reports c i and b i .
本发明实施例提供的应用于网络设备的码本处理方法的可选处理流程,如图6所示,包括以下步骤:An optional processing flow of a codebook processing method applied to a network device according to an embodiment of the present invention, as shown in FIG. 6, includes the following steps:
步骤S201,网络设备获取码本指示信息。Step S201: The network device obtains codebook instruction information.
这里,网络设备获取的码本指示信息对应于携带时延信息的频域加权系数。Here, the codebook indication information acquired by the network device corresponds to a frequency domain weighting coefficient carrying delay information.
在一些实施例中,网络设备获取的码本指示信息是指网络设备接收UE发送的码本指示信息。In some embodiments, the codebook indication information obtained by the network device refers to the network device receiving the codebook indication information sent by the UE.
在具体实施时,网络设备获取码本指示信息可以是UE在指定时刻到达时,由UE主动触发向网络设备发送码本指示信息。也可以是网络设备向UE发送上报请求,请求In specific implementation, the codebook indication information obtained by the network device may be that when the UE arrives at a specified time, the UE actively triggers sending the codebook indication information to the network device. It may also be a network device sending a report request to the UE.
UE发送码本指示信息;UE基于网络设备发送的上报请求向网络设备发送码本指示信息。The UE sends codebook instruction information; the UE sends codebook instruction information to the network device based on a report request sent by the network device.
这里,所述时延信息为信道的两个不同径之间的时延量化值。时延量化值的获取方式与上述实施例中时延量化值的获取方式相同,这里不再赘述。Here, the delay information is a delay quantization value between two different paths of a channel. The method for acquiring the delay quantization value is the same as the method for acquiring the delay quantization value in the foregoing embodiment, and details are not described herein again.
步骤S202,网络设备基于码本指示信息确定信道状态。Step S202: The network device determines a channel state based on the codebook indication information.
在一些实施方式中,网络设备在与UE约定的携带时延信息的频域加权系数集合中匹配与接收的码本指示信息对应的携带时延信息的频域加权系数、并基于接收的码本指示信息确定波束向量和波束的幅度和相位加权系数。In some implementations, the network device matches the frequency domain weighting factor of the delay information corresponding to the received codebook indication information in the frequency domain weighting coefficient set of the delay information carried with the UE and is based on the received codebook The indication information determines the beam vector and the amplitude and phase weighting coefficients of the beam.
本发明实施例中,网络设备确定信道状态之前,还接收UE发送的对应于波束向量的码本指示信息,以及对应于波束的幅度和相位加权系数的码本指示信息。In the embodiment of the present invention, before the network device determines the channel state, it further receives codebook indication information corresponding to the beam vector and codebook indication information corresponding to the amplitude and phase weighting coefficients of the beam.
网络设备计算对应i个波束的所述携带时延信息的频域加权系数、所述波束向量、所述波束的幅度和相位加权系数乘积,得到i个第一数值;将所述i个第一数值进行加和,得到第二数值,所述第二数值用于表征所述信道状态,i为正整数。The network device calculates a product of the frequency domain weighting coefficient carrying the delay information, the beam vector, the amplitude of the beam, and the phase weighting coefficient corresponding to i beams to obtain i first values; The values are summed to obtain a second value, where the second value is used to characterize the channel state, and i is a positive integer.
其中b
i是第i个波束向量,c
i是对应第i个波束的幅度和相位加权系数,
是对应第i个波束在频域k的携带时延信息的频域加权系数。
Where b i is the i-th beam vector and c i is the amplitude and phase weighting coefficient corresponding to the i-th beam, Is the frequency domain weighting coefficient corresponding to the i-th beam in the frequency domain k carrying delay information.
本发明实施例提供的应用于UE和网络设备的码本处理方法的可选处理流程,如图7所示,包括以下步骤:The optional processing flow of the codebook processing method applied to the UE and the network device according to the embodiment of the present invention, as shown in FIG. 7, includes the following steps:
步骤S301,UE确定码本指示信息。Step S301: The UE determines codebook indication information.
在一些实施方式中,UE根据与网络设备约定的时延参数和量化等级,选择一个携带时延信息的频域加权系数,UE根据信道响应值选择一个波束向量和一个波束的幅度和相位加权系数;UE确定所选择的一个携带时延信息的频域加权系数、一个波束向量和一个波束的幅度和相位加权系数对应的码本指示信息对应的码本指示信息;因此,所述码本指示信息对应于携带时延信息的频域加权系数,波束向量、波束的幅度和相位加权系数。In some embodiments, the UE selects a frequency domain weighting factor carrying delay information according to the delay parameter and quantization level agreed with the network device, and the UE selects a beam vector and a beam amplitude and phase weighting factor according to the channel response value. ; The UE determines a selected frequency domain weighting factor carrying the delay information, a beam vector, and a beam vector and a beam amplitude and phase weighting coefficient corresponding to the codebook indication information corresponding to the codebook indication information; therefore, the codebook indication information Corresponding to frequency domain weighting coefficients carrying beam delay information, beam vector, beam amplitude and phase weighting coefficients.
步骤S302,网络设备向UE发送上报请求消息。Step S302: The network device sends a report request message to the UE.
这里,上报请求消息用于请求UE向网络设备上报码本指示信息。Here, the report request message is used to request the UE to report the codebook indication information to the network device.
步骤S303,UE向网络设备上报码本指示信息。Step S303: The UE reports codebook instruction information to the network device.
步骤S304,网络设备获取码本指示信息。Step S304: The network device obtains codebook instruction information.
在一些实施方式中,网络设备获取码本指示信息是指网络设备接收到UE上报的码本指示信息。In some implementation manners, the network device obtaining the codebook indication information refers to the network equipment receiving the codebook indication information reported by the UE.
步骤S305,网络设备基于码本指示信息确定信道状态。Step S305: The network device determines a channel state based on the codebook indication information.
在一些实施方式中,网络设备在预先配置的携带时延信息的频域加权系数集合中匹配与接收的码本指示信息对应的携带时延信息的频域加权系数、并基于接收的码本指示信息确定波束向量和波束的幅度和相位加权系数。In some implementations, the network device matches the frequency domain weighting factor of the delay information corresponding to the received codebook indication information in a pre-configured frequency domain weighting coefficient set carrying the delay information, and is based on the received codebook indication The information determines the beam vector and beam amplitude and phase weighting coefficients.
网络设备计算对应i个波束的所述携带时延信息的频域加权系数、所述波束向量、所述波束的幅度和相位加权系数乘积,得到i个第一数值;将所述i个第一数值进行加和,得到第二数值,所述第二数值用于表征所述信道状态,i为正整数。The network device calculates a product of the frequency domain weighting coefficient carrying the delay information, the beam vector, the amplitude of the beam, and the phase weighting coefficient corresponding to i beams to obtain i first values; The values are summed to obtain a second value, where the second value is used to characterize the channel state, and i is a positive integer.
其中b
i是第i个波束向量,c
i是对应第i个波束的幅度和相位加权系数,
是对应第i个波束在频域k的携带时延信息的频域加权系数。
Where b i is the i-th beam vector and c i is the amplitude and phase weighting coefficient corresponding to the i-th beam, Is the frequency domain weighting coefficient corresponding to the i-th beam in the frequency domain k carrying delay information.
下面基于不同的网络参数配置对本发明实施例提供的码本处理方法进行说明。The codebook processing method provided by the embodiment of the present invention is described below based on different network parameter configurations.
网络参数配置一:Network parameter configuration one:
采用均匀量化,频域间隔为1个子载波,即q=1,时延量化比特数为2,最大时延T为CP长度144Ts,FFT点数为2048,基于对时延的均匀量化的可选实施方式一,得到:Adopt uniform quantization, the frequency domain interval is 1 subcarrier, that is q = 1, the number of delay quantization bits is 2, the maximum delay T is CP length 144Ts, the number of FFT points is 2048, based on the optional implementation of uniform quantization of delay Way one, get:
其中,i值为{0,1,2,3}Where i is {0,1,2,3}
UE上报L个{c
k,b
k,f
k},k=0..L-1,基站获取到L个{c
k,b
k,f
k}后,按照
确定第k个子载波上的信道状态。
The UE reports L {c k , b k , f k }, k = 0..L-1, the base station obtains L {c k , b k , f k }, and then Determine the channel state on the k-th subcarrier.
网络参数配置二:Network parameter configuration two:
采用均匀量化,频域间隔为1个子载波,即q=1,对应子载波间隔为30kHz,时延量化比特数为2,最大时延T为CP长度72Ts,FFT点数为1024,基于对时延的均匀量化的可选实施方式一,得到:Using uniform quantization, the frequency domain interval is 1 subcarrier, that is, q = 1, the corresponding subcarrier interval is 30kHz, the number of delay quantization bits is 2, the maximum delay T is CP length 72Ts, and the FFT points are 1024. An alternative implementation manner of uniform quantization is:
其中,i值为{0,1,2,3}Where i is {0,1,2,3}
UE上报L个{c
k,b
k,f
k},k=0..L-1,基站获取到L个{c
k,b
k,f
k}后,按照
确定第k个子载波上的信道状态。
The UE reports L {c k , b k , f k }, k = 0..L-1, the base station obtains L {c k , b k , f k }, and then Determine the channel state on the k-th subcarrier.
网络参数配置三:Network parameter configuration three:
采用非均匀量化,频域间隔为1个子载波,即q=1,时延量化比特数为2,RMa环境下,多径时延均方根为
FFT点数为2048,基于对时延的非均匀量化的可选实施方式四,得到:
Using non-uniform quantization, the frequency domain interval is 1 subcarrier, that is, q = 1, the number of delay quantization bits is 2, and in the RMa environment, the root mean square of multipath delay is The number of FFT points is 2048. Based on the non-uniform quantization of the delay, in an optional implementation manner 4, the following are obtained:
a=σx={0.63,2.27,4.57,8.44},四舍五入量化后为{1,2,5,8};a = σx = {0.63,2.27,4.57,8.44}, rounded to quantized to {1, 2, 5, 8};
对应每个k值,UE从公式(15)中选择一个上报,并上报一个c
i和一个b
i;因此,UE上报L个{c
k,b
k,f
k},k=0..L-1。基站获取到L个{c
k,b
k,f
k}后,按照
确定第k个子载波上的信道状态。
Corresponding to each k value, the UE selects one report from formula (15), and reports one c i and one b i ; therefore, the UE reports L {c k , b k , f k }, k = 0..L -1. After the base station obtains L {c k , b k , f k }, Determine the channel state on the k-th subcarrier.
网络参数配置四:Network parameter configuration four:
采用非均匀量化,频域间隔为1个子载波,即q=1,时延量化比特数为2和3,RMa环境下,多径时延均方根为
FFT点数为2048,基于对时延的非均匀量化的可选实施方式四,得到采用2比特的时延为:
Using non-uniform quantization, the frequency domain interval is 1 subcarrier, that is, q = 1, the number of delay quantization bits is 2 and 3, and in the RMa environment, the root mean square of multipath delay is The number of FFT points is 2048. Based on the non-uniform quantization of the delay, in an optional implementation manner 4, the obtained two-bit delay is:
a=σx={0.63,2.27,4.57,8.44},四舍五入量化后为{1,2,5,8};a = σx = {0.63,2.27,4.57,8.44}, rounded to quantized to {1, 2, 5, 8};
得到采用3bit的时延为:The delay using 3bit is:
a=σx={0.33,1.1,1.99,3.04,4.32,5.96,8.25,12.12},四舍五入量化后为{0,1,2,3,4,6,8,12};a = σx = {0.33,1.1,1.99,3.04,4.32,5.96,8.25,12.12}, rounded to quantization is {0,1,2,3,4,6,8,12};
对应每个k值,UE从公式(16或公式(17)中选择一个上报,并上报一个c
i和一 个b
i;因此,UE上报L个{c
k,b
k,f
k},k=0..L-1,对于功率高的M个径采用3比特量化,对于功率弱的L-M个径采用2比特量化。基站获取到M个
以及L-M个
后,按照
确定第k个子载波上的信道状态。
Corresponding to each k value, the UE selects one report from formula (16 or formula (17) and reports one c i and one b i ; therefore, the UE reports L {c k , b k , f k }, k = 0..L-1, 3-bit quantization is used for M paths with high power, and 2-bit quantization is used for LM paths with weak power. The base station obtains M And LM After, follow Determine the channel state on the k-th subcarrier.
网络参数配置五:Network parameter configuration five:
采用均匀量化,频域间隔为1个子带,q=48,时延量化比特数为2,多径时延均方根为
FFT点数为2048,时延的相邻功率之差为3dB(X=2),基于对时延的均匀量化的可选实施方式二,得到:
Using uniform quantization, the frequency domain interval is 1 subband, q = 48, the number of delay quantization bits is 2, and the root mean square of multipath delay is The number of FFT points is 2048, and the difference between the adjacent powers of the delay is 3dB (X = 2). Based on the optional second embodiment of uniform quantization of the delay, the following is obtained:
a=σx={0,1.344,2.689,4.0348}a = σx = {0,1.344,2.689,4.0348}
对应每个k值,UE从公式(18)中选择一个上报,并上报一个c
i和一个b
i;因此,UE上报L个{c
k,b
k,f
k},k=0..L-1,基站获取到L个{c
k,b
k,f
k}后,按照
确定第k个子载波上的信道状态。
Corresponding to each k value, the UE selects one report from formula (18), and reports one c i and one b i ; therefore, the UE reports L {c k , b k , f k }, k = 0..L -1, after the base station obtains L {c k , b k , f k }, Determine the channel state on the k-th subcarrier.
基于本发明上述实施例提供的码本处理方法,本发明实施例还提供一种网络设备,所述用户设备400的组成结构,如图8所示,包括:Based on the codebook processing method provided by the foregoing embodiment of the present invention, an embodiment of the present invention further provides a network device. The composition structure of the user equipment 400, as shown in FIG. 8, includes:
第一确定单元401,配置为确定码本指示信息;所述码本指示信息对应于携带时延信息的频域加权系数。The first determining unit 401 is configured to determine codebook indication information, where the codebook indication information corresponds to a frequency domain weighting coefficient carrying delay information.
第一发送单元402,配置为发送所述码本指示信息,所述码本指示信息用于网络设备确定信道状态。The first sending unit 402 is configured to send the codebook indication information, where the codebook indication information is used by a network device to determine a channel state.
上述方案中,所述第一确定单元401,还配置为确定对应于波束向量的码本指示信息,以及确定对应于波束的幅度和相位加权系数的码本指示信息;In the above solution, the first determining unit 401 is further configured to determine codebook indication information corresponding to a beam vector, and determine codebook indication information corresponding to an amplitude and a phase weighting coefficient of a beam;
相应的,所述第一发送单元402,还配置为发送对应于波束向量的码本指示信息,以及发送对应于波束的幅度和相位加权系数的码本指示信息。Accordingly, the first sending unit 402 is further configured to send codebook indication information corresponding to the beam vector, and send codebook indication information corresponding to the amplitude and phase weighting coefficients of the beam.
上述方案中,所述第一确定单元401,与所述网络设备约定至少一个携带时延信息的频域加权系数;In the above solution, the first determining unit 401 agrees with the network device on at least one frequency domain weighting coefficient that carries delay information;
从所述至少一个携带时延信息的频域加权系数中选择一个携带时延信息的频域加权系数,将所选择的一个携带时延信息的频域加权系数对应的码本指示信息确定为所述码本指示信息。Selecting a frequency domain weighting coefficient carrying delay information from the at least one frequency domain weighting coefficient carrying delay information, and determining codebook indication information corresponding to the selected frequency domain weighting coefficient carrying delay information as the The codebook instructions.
上述方案中,所述第一发送单元402,配置为在指定时刻到达时,发送所述码本指示信息。In the above solution, the first sending unit 402 is configured to send the codebook instruction information when a specified time arrives.
上述方案中,所述用户设备400还包括:In the above solution, the user equipment 400 further includes:
接收单元403,配置为接收上报请求消息,所述上报请求消息用于所述网络设备请求所述UE发送所述码本指示信息。The receiving unit 403 is configured to receive a report request message, where the report request message is used by the network device to request the UE to send the codebook indication information.
上述方案中,所述时延信息为信道的两个不同径之间的时延量化值。In the above solution, the delay information is a delay quantization value between two different paths of a channel.
上述方案中,所述时延量化值,是在时延功率谱中任意两个量化等级对应的时延的功率相等时,对信道的两个不同径的时延进行量化获得。In the above solution, the delay quantization value is obtained by quantizing the delays of two different paths of the channel when the powers of the delays corresponding to any two quantization levels in the delay power spectrum are equal.
或所述时延量化值,是在时延概率分布中任意两个量化等级对应的时延的概率相 等时,对信道的两个不同径的时延进行量化获得。Or, the delay quantization value is obtained by quantizing the delays of two different paths of a channel when the probability of the delay corresponding to any two quantization levels in the delay probability distribution is equal.
或所述时延量化值,是基于Llody-Max算法,对所述信道的两个不同径之间的时延按照约定的量化等级数进行量化获得。Or, the delay quantization value is obtained by quantizing the delay between two different paths of the channel according to a predetermined number of quantization levels based on the Llody-Max algorithm.
上述方案中,所述时延量化值与预设的最大时延值、量化值序列数以及量化等级相关。In the above solution, the delay quantization value is related to a preset maximum delay value, a sequence number of quantization values, and a quantization level.
上述方案中,时延功率谱上相邻两个时延量化值,在时延功率谱上的功率之比为常数。In the above scheme, two adjacent delay quantization values on the delay power spectrum, and the ratio of the power on the delay power spectrum is constant.
上述方案中,所述时延量化值与预设的最大时延值和量化序列数正相关,所述时延量化值与量化等级负相关。In the above solution, the delay quantization value is positively related to the preset maximum delay value and the number of quantization sequences, and the delay quantization value is negatively related to the quantization level.
上述方案中,所述量化等级包括时延量化值为零的量化等级,或所述量化等级不包括时延量化值为零的量化等级。In the above solution, the quantization level includes a quantization level with a delay quantization value of zero, or the quantization level does not include a quantization level with a delay quantization value of zero.
基于本发明上述实施例提供的码本处理方法,本发明实施例还提供一种网络设备,所述网络设备500的组成结构,如图9所示,包括:Based on the codebook processing method provided by the foregoing embodiment of the present invention, an embodiment of the present invention further provides a network device. The composition structure of the network device 500, as shown in FIG. 9, includes:
获取单元501,配置为获取码本指示信息,所述码本指示信息对应于携带时延信息的频域加权系数;The obtaining unit 501 is configured to obtain codebook instruction information, where the codebook instruction information corresponds to a frequency domain weighting coefficient carrying delay information;
第二确定单元502,配置为基于所述码本指示信息确定信道状态。The second determining unit 502 is configured to determine a channel state based on the codebook indication information.
上述方案中,所述获取单元,还配置为获取对应于波束向量的码本指示信息,获取对应于波束的幅度和相位加权系数的码本指示信息。In the above solution, the obtaining unit is further configured to obtain codebook indication information corresponding to a beam vector, and obtain codebook indication information corresponding to an amplitude and a phase weighting coefficient of a beam.
上述方案中,所述第二确定单元502,配置为计算对应i个波束的所述携带时延信息的频域加权系数、所述波束向量、所述波束的幅度和相位加权系数乘积,得到i个第一数值;将所述i个第一数值进行加和,得到第二数值,所述第二数值用于表征所述信道状态。In the above solution, the second determining unit 502 is configured to calculate a product of the frequency domain weighting coefficient, the beam vector, the beam amplitude, and the phase weighting coefficient corresponding to the i-beams carrying the delay information to obtain i Sum the i first values to obtain a second value, and the second value is used to characterize the channel state.
上述方案中,所述网络设备还包括:In the above solution, the network device further includes:
第二发送单元503,配置为发送上报请求消息,所述上报请求消息用于请求用户设备发送所述码本指示信息。The second sending unit 503 is configured to send a report request message, where the report request message is used to request the user equipment to send the codebook indication information.
上述方案中,所述时延信息为信道的两个不同径之间的时延量化值。In the above solution, the delay information is a delay quantization value between two different paths of a channel.
上述方案中,所述时延量化值,是在时延功率谱中任意两个量化等级对应的时延的功率相等时,对信道的两个不同径的时延进行量化获得。In the above solution, the delay quantization value is obtained by quantizing the delays of two different paths of the channel when the powers of the delays corresponding to any two quantization levels in the delay power spectrum are equal.
或所述时延量化值,是在时延概率分布中任意两个量化等级对应的时延的概率相等时,对信道的两个不同径的时延进行量化获得。Or, the delay quantization value is obtained by quantizing the delays of two different paths of the channel when the delay probabilities corresponding to any two quantization levels in the delay probability distribution are equal.
或所述时延量化值,是基于Llody-Max算法,对所述信道的两个不同径之间的时延按照约定的量化等级数进行量化获得。Or, the delay quantization value is obtained by quantizing the delay between two different paths of the channel according to a predetermined number of quantization levels based on the Llody-Max algorithm.
上述方案中,所述时延量化值与预设的最大时延值、量化值序列数以及量化等级相关。In the above solution, the delay quantization value is related to a preset maximum delay value, a sequence number of quantization values, and a quantization level.
上述方案中,时延功率谱上相邻两个时延量化值,在时延功率谱上的功率之比为常数。In the above scheme, two adjacent delay quantization values on the delay power spectrum, and the ratio of the power on the delay power spectrum is constant.
上述方案中,所述时延量化值与预设的最大时延值和量化序列数正相关,所述时延量化值与量化等级负相关。In the above solution, the delay quantization value is positively related to the preset maximum delay value and the number of quantization sequences, and the delay quantization value is negatively related to the quantization level.
上述方案中,所述量化等级包括时延量化值为零的量化等级,或所述量化等级不包括时延量化值为零的量化等级。In the above solution, the quantization level includes a quantization level with a delay quantization value of zero, or the quantization level does not include a quantization level with a delay quantization value of zero.
本发明实施例还提供一种码本处理***,所述码本处理***包括上述实施例所述的网络设备和UE。An embodiment of the present invention further provides a codebook processing system, where the codebook processing system includes the network device and the UE described in the foregoing embodiments.
本发明实施例还提供一种存储介质,存储有可执行程序,所述可执行程序被处理器执行时,实现上述的码本处理方法。An embodiment of the present invention further provides a storage medium that stores an executable program. When the executable program is executed by a processor, the foregoing codebook processing method is implemented.
图10是本发明实施例的电子设备(网络设备或UE)的硬件组成结构示意图,电子设备1600包括:至少一个处理器1601、存储器1602和至少一个网络接口1604。电子设备1600中的各个组件通过总线***1605耦合在一起。可理解,总线***1605用于实现这些组件之间的连接通信。总线***705除包括数据总线之外,还包括电源总线、控制总线和状态信号总线。但是为了清楚说明起见,在图10中将各种总线都标为总线***1605。FIG. 10 is a schematic diagram of a hardware composition structure of an electronic device (network device or UE) according to an embodiment of the present invention. The electronic device 1600 includes: at least one processor 1601, a memory 1602, and at least one network interface 1604. The various components in the electronic device 1600 are coupled together through a bus system 1605. It can be understood that the bus system 1605 is used to implement connection and communication between these components. The bus system 705 includes a power bus, a control bus, and a status signal bus in addition to the data bus. However, for the sake of clarity, various buses are marked as the bus system 1605 in FIG. 10.
可以理解,存储器1602可以是易失性存储器或非易失性存储器,也可包括易失性和非易失性存储器两者。其中,非易失性存储器可以是ROM、可编程只读存储器(PROM,Programmable Read-Only Memory)、可擦除可编程只读存储器(EPROM,Erasable Programmable Read-Only Memory)、电可擦除可编程只读存储器(EEPROM,Electrically Erasable Programmable Read-Only Memory)、磁性随机存取存储器(FRAM,ferromagnetic random access memory)、快闪存储器(Flash Memory)、磁表面存储器、光盘、或只读光盘(CD-ROM,Compact Disc Read-Only Memory);磁表面存储器可以是磁盘存储器或磁带存储器。易失性存储器可以是随机存取存储器(RAM,Random Access Memory),其用作外部高速缓存。通过示例性但不是限制性说明,许多形式的RAM可用,例如静态随机存取存储器(SRAM,Static Random Access Memory)、同步静态随机存取存储器(SSRAM,Synchronous Static Random Access Memory)、动态随机存取存储器(DRAM,Dynamic Random Access Memory)、同步动态随机存取存储器(SDRAM,Synchronous Dynamic Random Access Memory)、双倍数据速率同步动态随机存取存储器(DDRSDRAM,Double Data Rate Synchronous Dynamic Random Access Memory)、增强型同步动态随机存取存储器(ESDRAM,Enhanced Synchronous Dynamic Random Access Memory)、同步连接动态随机存取存储器(SLDRAM,SyncLink Dynamic Random Access Memory)、直接内存总线随机存取存储器(DRRAM,Direct Rambus Random Access Memory)。本发明实施例描述的存储器1602旨在包括但不限于这些和任意其它适合类型的存储器。It can be understood that the memory 1602 may be a volatile memory or a non-volatile memory, and may also include both volatile and non-volatile memory. Among them, the non-volatile memory may be ROM, Programmable Read-Only Memory (PROM), Erasable Programmable Read-Only Memory (EPROM), electrically erasable and programmable memory Programmable read-only memory (EEPROM, Electrically Programmable Read-Only Memory), magnetic random access memory (FRAM, ferromagnetic random access memory), flash memory (Flash memory), magnetic surface memory, optical disk, or read-only optical disk (CD) -ROM, Compact Disc-Read-Only Memory); magnetic surface storage can be magnetic disk storage or magnetic tape storage. The volatile memory may be a random access memory (RAM, Random Access Memory), which is used as an external cache. By way of example, but not limitation, many forms of RAM are available, such as Static Random Access Memory (SRAM, Static Random Access Memory), Synchronous Static Random Access Memory (SSRAM, Static Random Access, Memory), Dynamic Random Access DRAM (Dynamic Random Access Memory), Synchronous Dynamic Random Access Memory (SDRAM), Double Data Rate Synchronous Dynamic Random Access Memory (DDRSDRAM), Double Data Rate Rate Synchronous Dynamic Access Random Access Memory, Enhanced Type Synchronous Dynamic Random Access Memory (ESDRAM, Enhanced Synchronous Random Access Memory), Synchronous Link Dynamic Random Access Memory (SLDRAM, SyncLink Dynamic Access Random Access Memory), Direct Memory Bus Random Access Memory (DRRAM, Direct Rambus Random Access Access Memory) ). The memory 1602 described in the embodiments of the present invention is intended to include, but not limited to, these and any other suitable types of memory.
本发明实施例中的存储器1602用于存储各种类型的数据以支持电子设备1600的操作。这些数据的示例包括:用于在电子设备1600上操作的任何计算机程序,如应用程序16022。实现本发明实施例方法的程序可以包含在应用程序16022中。The memory 1602 in the embodiment of the present invention is used to store various types of data to support the operation of the electronic device 1600. Examples of such data include: any computer program for operating on the electronic device 1600, such as the application program 16022. A program for implementing the method of the embodiment of the present invention may be included in an application program 16022.
上述本发明实施例揭示的方法可以应用于处理器1601中,或者由处理器1601实现。处理器1601可能是一种集成电路芯片,具有信号的处理能力。在实现过程中,上述方法的各步骤可以通过处理器1601中的硬件的集成逻辑电路或者软件形式的指令完成。上述的处理器1601可以是通用处理器、数字信号处理器(DSP,Digital Signal Processor),或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件等。处理器1601可以实现或者执行本发明实施例中的公开的各方法、步骤及逻辑框图。通用处理器可以是微处理器或者任何常规的处理器等。结合本发明实施例所公开的方法的步骤,可以直接体现为硬件译码处理器执行完成,或者用译码处理器中的硬件及软件模块组合执行完成。软件模块可以位于存储介质中,该存储介质位于存储器1602,处理器1601读取存储器1602中的信息,结合其硬件完成前述方法的步骤。The method disclosed in the foregoing embodiment of the present invention may be applied to the processor 1601, or implemented by the processor 1601. The processor 1601 may be an integrated circuit chip with signal processing capabilities. In the implementation process, each step of the above method may be completed by an integrated logic circuit of hardware in the processor 1601 or an instruction in the form of software. The processor 1601 may be a general-purpose processor, a digital signal processor (DSP, Digital Signal Processor), or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, and the like. The processor 1601 may implement or execute various methods, steps, and logic block diagrams disclosed in the embodiments of the present invention. A general-purpose processor may be a microprocessor or any conventional processor. The steps of the method disclosed in the embodiments of the present invention may be directly implemented by a hardware decoding processor, or may be performed by a combination of hardware and software modules in the decoding processor. The software module may be located in a storage medium. The storage medium is located in the memory 1602. The processor 1601 reads the information in the memory 1602 and completes the steps of the foregoing method in combination with its hardware.
在示例性实施例中,电子设备1600可以被一个或多个应用专用集成电路(ASIC,Application Specific Integrated Circuit)、DSP、可编程逻辑器件(PLD,Programmable Logic Device)、复杂可编程逻辑器件(CPLD,Complex Programmable Logic Device)、FPGA、通用处理器、控制器、MCU、MPU、或其他电子元件实现,用于执行前述方法。In an exemplary embodiment, the electronic device 1600 may be implemented by one or more Application Specific Integrated Circuits (ASICs), DSPs, Programmable Logic Devices (PLDs), and Complex Programmable Logic Devices (CPLDs). (Complex Programmable Logic Device), FPGA, general-purpose processor, controller, MCU, MPU, or other electronic components to implement the foregoing methods.
本发明是参照根据本发明实施例的方法、设备(***)、和计算机程序产品的流程图和/或方框图来描述的。应理解可由计算机程序指令实现流程图和/或方框图中的每一 流程和/或方框、以及流程图和/或方框图中的流程和/或方框的结合。可提供这些计算机程序指令到通用计算机、专用计算机、嵌入式处理机或其他可编程数据处理设备的处理器以产生一个机器,使得通过计算机或其他可编程数据处理设备的处理器执行的指令产生用于实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能的装置。The present invention is described with reference to flowcharts and / or block diagrams of methods, devices (systems), and computer program products according to embodiments of the present invention. It should be understood that each process and / or block in the flowcharts and / or block diagrams, and combinations of processes and / or blocks in the flowcharts and / or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general-purpose computer, special-purpose computer, embedded processor, or other programmable data processing device to produce a machine, so that instructions generated by the processor of the computer or other programmable data processing device may be used to Means for implementing the functions specified in one or more flowcharts and / or one or more blocks of the block diagrams.
这些计算机程序指令也可存储在能引导计算机或其他可编程数据处理设备以特定方式工作的计算机可读存储器中,使得存储在该计算机可读存储器中的指令产生包括指令装置的制造品,该指令装置实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能。These computer program instructions may also be stored in a computer-readable memory capable of directing a computer or other programmable data processing device to work in a specific manner such that the instructions stored in the computer-readable memory produce a manufactured article including an instruction device, the instructions The device implements the functions specified in one or more flowcharts and / or one or more blocks of the block diagram.
这些计算机程序指令也可装载到计算机或其他可编程数据处理设备上,使得在计算机或其他可编程设备上执行一系列操作步骤以产生计算机实现的处理,从而在计算机或其他可编程设备上执行的指令提供用于实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能的步骤。These computer program instructions can also be loaded onto a computer or other programmable data processing device, so that a series of steps can be performed on the computer or other programmable device to produce a computer-implemented process, which can be executed on the computer or other programmable device. The instructions provide steps for implementing the functions specified in one or more flowcharts and / or one or more blocks of the block diagrams.
以上所述,仅为本发明的较佳实施例而已,并非用于限定本发明的保护范围,凡在本发明的精神和原则之内所作的任何修改、等同替换和改进等,均应包含在本发明的保护范围之内。The above description is only the preferred embodiments of the present invention, and is not intended to limit the protection scope of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention shall be included in Within the scope of the present invention.
Claims (59)
- 一种码本处理方法,所述方法包括:A codebook processing method, the method includes:用户设备UE确定码本指示信息,所述码本指示信息对应于携带时延信息的频域加权系数;The user equipment UE determines codebook indication information, where the codebook indication information corresponds to a frequency domain weighting coefficient carrying delay information;所述UE发送所述码本指示信息,所述码本指示信息用于网络设备确定信道状态。Sending, by the UE, the codebook indication information, where the codebook indication information is used by a network device to determine a channel state.
- 根据权利要求1所述的方法,其中,所述方法还包括:The method of claim 1, further comprising:所述UE确定并发送对应于波束向量的码本指示信息;The UE determines and sends codebook indication information corresponding to a beam vector;所述UE确定并发送对应于波束的幅度和相位加权系数的码本指示信息。The UE determines and sends codebook indication information corresponding to the amplitude and phase weighting coefficients of the beam.
- 根据权利要求1所述的方法,其中,所述UE确定码本指示信息,包括:The method according to claim 1, wherein the UE determining codebook indication information comprises:所述UE与所述网络设备约定至少一个携带时延信息的频域加权系数;The UE and the network device agree on at least one frequency domain weighting coefficient carrying delay information;所述UE从所述至少一个携带时延信息的频域加权系数中选择一个携带时延信息的频域加权系数,将所选择的一个携带时延信息的频域加权系数对应的码本指示信息确定为所述码本指示信息。Selecting, by the UE, a frequency domain weighting coefficient carrying delay information from the at least one frequency domain weighting coefficient carrying delay information, and selecting codebook indication information corresponding to the selected frequency domain weighting coefficient carrying delay information Determined as the codebook instruction information.
- 根据权利要求1至3任一项所述的方法,其中,所述UE发送所述码本指示信息,包括:The method according to any one of claims 1 to 3, wherein the UE sending the codebook indication information comprises:在指定时刻到达时,所述UE发送所述码本指示信息。When the specified time arrives, the UE sends the codebook indication information.
- 根据权利要求1至3任一项所述的方法,其中,所述UE确定码本指示信息之前,所述方法还包括:The method according to any one of claims 1 to 3, wherein before the UE determines the codebook indication information, the method further comprises:所述UE接收上报请求消息,所述上报请求消息用于所述网络设备请求所述UE发送所述码本指示信息。The UE receives a report request message, and the report request message is used by the network device to request the UE to send the codebook indication information.
- 根据权利要求1至5任一项所述的方法,其中,所述时延信息为信道的两个不同径之间的时延量化值。The method according to any one of claims 1 to 5, wherein the delay information is a delay quantization value between two different paths of a channel.
- 根据权利要求6所述的方法,其中,所述时延量化值,是在时延功率谱中任意两个量化等级对应的时延的功率相等时,对信道的两个不同径的时延进行量化获得。The method according to claim 6, wherein the delay quantization value is performed on the delays of two different paths of the channel when the powers of the delays corresponding to any two quantization levels in the delay power spectrum are equal. Quantitatively obtained.
- 根据权利要求6所述的方法,其中,所述时延量化值,是在时延概率分布中任意两个量化等级对应的时延的概率相等时,对信道的两个不同径的时延进行量化得到获得。The method according to claim 6, wherein the delay quantization value is performed on the delays of two different paths of the channel when the probability of the delay corresponding to any two quantization levels in the delay probability distribution is equal. Quantification was obtained.
- 根据权利要求6所述的方法,其中,所述时延量化值,是基于Llody-Max算法,对所述信道的两个不同径之间的时延按照约定的量化等级数进行量化获得。The method according to claim 6, wherein the delay quantization value is obtained by quantizing the delay between two different paths of the channel according to an agreed number of quantization levels based on the Llody-Max algorithm.
- 根据权利要求6所述的方法,其中,所述时延量化值基于预设的最大时延值、量化值序列数以及量化等级确定。The method according to claim 6, wherein the delay quantization value is determined based on a preset maximum delay value, a sequence number of quantization values, and a quantization level.
- 根据权利要求6所述的方法,其中,时延功率谱上相邻两个时延量化值,在时延功率谱上的功率之比为常数。The method according to claim 6, wherein two adjacent delay quantization values on the delay power spectrum, and a ratio of powers on the delay power spectrum are constant.
- 根据权利要求6或10所述的方法,其中,所述时延量化值与预设的最大时延值和量化序列数正相关,所述时延量化值与量化等级负相关。The method according to claim 6 or 10, wherein the delay quantization value is positively related to a preset maximum delay value and the number of quantization sequences, and the delay quantization value is negatively related to a quantization level.
- 根据权利要求7至9任一项所述的方法,其中,所述量化等级包括时延量化值为零的量化等级。The method according to any one of claims 7 to 9, wherein the quantization level comprises a quantization level with a delay quantization value of zero.
- 根据权利要求7至9任一项所述的方法,其中,所述量化等级不包括时延量化值为零的量化等级。The method according to any one of claims 7 to 9, wherein the quantization level does not include a quantization level with a delay quantization value of zero.
- 一种码本处理方法,所述方法包括:A codebook processing method, the method includes:网络设备获取码本指示信息,所述码本指示信息对应于携带时延信息的频域加权 系数;The network device obtains codebook instruction information, where the codebook instruction information corresponds to a frequency domain weighting coefficient carrying delay information;所述网络设备基于所述码本指示信息确定信道状态。The network device determines a channel state based on the codebook indication information.
- 根据权利要求15所述的方法,其中,所述方法还包括:The method according to claim 15, wherein the method further comprises:所述网络设备获取对应于波束向量的码本指示信息;Acquiring, by the network device, codebook indication information corresponding to a beam vector;所述网络设备获取对应于波束的幅度和相位加权系数的码本指示信息。The network device obtains codebook indication information corresponding to an amplitude and a phase weighting coefficient of a beam.
- 根据权利要求15所述的方法,其中,所述网络设备基于所述码本指示信息确定信道状态,包括:The method according to claim 15, wherein the determining, by the network device, a channel state based on the codebook indication information comprises:所述网络设备计算对应i个波束的所述携带时延信息的频域加权系数、所述波束向量、所述波束的幅度和相位加权系数的乘积,得到i个第一数值;Calculating, by the network device, a product of the frequency domain weighting coefficient carrying the delay information corresponding to i beams, the beam vector, the amplitude of the beam, and the phase weighting coefficient to obtain i first values;将所述i个第一数值进行加和,得到第二数值,所述第二数值用于表征所述信道状态,i为正整数。Adding the i first values to obtain a second value, where the second value is used to characterize the channel state, and i is a positive integer.
- 根据权利要求15至17任一项所述的方法,其中,所述网络设备获取码本所述码本指示信息之前,所述方法还包括:The method according to any one of claims 15 to 17, wherein before the network device obtains the codebook indication information of the codebook, the method further comprises:所述网络设备发送上报请求消息,所述上报请求消息用于请求用户设备发送所述码本指示信息。The network device sends a report request message, and the report request message is used to request the user equipment to send the codebook indication information.
- 根据权利要求15至18任一项所述的方法,其中,所述时延信息为信道的两个不同径之间的时延量化值。The method according to any one of claims 15 to 18, wherein the delay information is a delay quantization value between two different paths of a channel.
- 根据权利要求19所述的方法,其中,所述时延量化值,是在时延功率谱中任意两个量化等级对应的时延的功率相等时,对信道的两个不同径的时延进行量化获得。The method according to claim 19, wherein the delay quantization value is performed on delays of two different paths of the channel when the powers of the delays corresponding to any two quantization levels in the delay power spectrum are equal. Quantitatively obtained.
- 根据权利要求19所述的方法,其中,所述时延量化值,是在时延概率分布中任意两个量化等级对应的时延的概率相等时,对同一信道的两个不同径的时延进行量化获得。The method according to claim 19, wherein the delay quantization value is a delay for two different paths of the same channel when the probability of delay corresponding to any two quantization levels in the delay probability distribution is equal. Quantitatively obtained.
- 根据权利要求19所述的方法,其中,所述时延量化值,是Llody-Max算法,对所述信道的两个不同径之间的时延按照约定的量化等级数进行量化获得。The method according to claim 19, wherein the delay quantization value is an Llody-Max algorithm, and the delay between two different paths of the channel is quantized and obtained according to a predetermined number of quantization levels.
- 根据权利要求19所述的方法,其中,所述时延量化值与预设的最大时延值、量化值序列数以及量化等级相关。The method according to claim 19, wherein the delay quantization value is related to a preset maximum delay value, a sequence number of quantization values, and a quantization level.
- 根据权利要求19所述的方法,其中,时延功率谱上相邻两个时延量化值,在时延功率谱上的功率之比为常数。The method according to claim 19, wherein two adjacent delay quantization values on the delay power spectrum have a constant power ratio on the delay power spectrum.
- 根据权利要求19或23所述的方法,其中,所述时延量化值与预设的最大时延值和量化序列数正相关,所述时延量化值与量化等级负相关。The method according to claim 19 or 23, wherein the delay quantization value is positively related to a preset maximum delay value and the number of quantization sequences, and the delay quantization value is negatively related to a quantization level.
- 根据权利要求20至22任一项所述的方法,其中,所述量化等级包括时延量化值为零的量化等级。The method according to any one of claims 20 to 22, wherein the quantization level comprises a quantization level with a delay quantization value of zero.
- 根据权利要求20至22任一项所述的方法,其中,所述量化等级不包括时延量化值为零的量化等级。The method according to any one of claims 20 to 22, wherein the quantization level does not include a quantization level with a delay quantization value of zero.
- 一种用户设备,包括:A user equipment includes:第一确定单元,配置为确定码本所述码本指示信息;所述码本指示信息对应于携带时延信息的频域加权系数;A first determining unit configured to determine codebook instruction information described in a codebook, where the codebook instruction information corresponds to a frequency domain weighting coefficient carrying delay information;第一发送单元,配置为发送所述码本指示信息,所述码本指示信息用于网络设备确定信道状态。A first sending unit is configured to send the codebook indication information, where the codebook indication information is used by a network device to determine a channel state.
- 根据权利要求28所述的用户设备,其中,The user equipment according to claim 28, wherein:所述第一确定单元,还配置为确定对应于波束向量的码本指示信息,以及确定对应于波束的幅度和相位加权系数的码本指示信息;The first determining unit is further configured to determine codebook indication information corresponding to a beam vector, and determine codebook indication information corresponding to an amplitude and a phase weighting coefficient of a beam;相应的,所述第一发送单元,还配置为发送对应于波束向量的码本指示信息,以 及发送对应于波束的幅度和相位加权系数的码本指示信息。Accordingly, the first sending unit is further configured to send codebook indication information corresponding to the beam vector, and send codebook indication information corresponding to the amplitude and phase weighting coefficients of the beam.
- 根据权利要求28所述的用户设备,其中,所述第一确定单元,配置为与所述网络设备约定至少一个携带时延信息的频域加权系数;The user equipment according to claim 28, wherein the first determining unit is configured to agree with the network device on at least one frequency domain weighting coefficient carrying delay information;从所述至少一个携带时延信息的频域加权系数中选择一个携带时延信息的频域加权系数,将所选择的一个携带时延信息的频域加权系数对应的码本指示信息确定为所述码本。Selecting a frequency domain weighting coefficient carrying delay information from the at least one frequency domain weighting coefficient carrying delay information, and determining codebook indication information corresponding to the selected frequency domain weighting coefficient carrying delay information as the The codebook.
- 根据权利要求28至30任一项所述的用户设备,其中,所述第一发送单元,配置为在指定时刻到达时,发送所述码本指示信息。The user equipment according to any one of claims 28 to 30, wherein the first sending unit is configured to send the codebook indication information when a specified time arrives.
- 根据权利要求28至30任一项所述的用户设备,其中,所述用户设备还包括:The user equipment according to any one of claims 28 to 30, wherein the user equipment further comprises:接收单元,配置为接收上报请求消息,所述上报请求消息用于所述网络设备请求所述UE发送所述码本指示信息。The receiving unit is configured to receive a report request message, where the report request message is used by the network device to request the UE to send the codebook indication information.
- 根据权利要求28至32任一项所述的用户设备,其中,所述时延信息为信道的两个不同径之间的时延量化值。The user equipment according to any one of claims 28 to 32, wherein the delay information is a delay quantization value between two different paths of a channel.
- 根据权利要求33所述的用户设备,其中,所述时延量化值,是在时延功率谱中任意两个量化等级对应的时延的功率相等时,对信道的两个不同径的时延进行量化获得。The user equipment according to claim 33, wherein the delay quantization value is a delay for two different paths of a channel when the powers of the delays corresponding to any two quantization levels in the delay power spectrum are equal. Quantitatively obtained.
- 根据权利要求33所述的用户设备,其中,所述时延量化值,是在时延概率分布中任意两个量化等级对应的时延的概率相等时,对信道的两个不同径的时延进行量化获得。The user equipment according to claim 33, wherein the delay quantization value is a delay for two different paths of a channel when the probability of delay corresponding to any two quantization levels in the delay probability distribution is equal. Quantitatively obtained.
- 根据权利要求33所述的用户设备,其中,所述时延量化值,是基于Llody-Max算法,对所述信道的两个不同径之间的时延按照约定的量化等级数进行量化获得。The user equipment according to claim 33, wherein the delay quantization value is obtained by quantizing a delay between two different paths of the channel according to a predetermined number of quantization levels based on an Llody-Max algorithm.
- 根据权利要求33所述的用户设备,其中,所述时延量化值与预设的最大时延值、量化值序列数以及量化等级相关。The user equipment according to claim 33, wherein the delay quantization value is related to a preset maximum delay value, a sequence number of quantization values, and a quantization level.
- 根据权利要求33所述的用户设备,其中,时延功率谱上相邻两个时延量化值,在时延功率谱上的功率之比为常数。The user equipment according to claim 33, wherein two adjacent delay quantization values on the delay power spectrum, and a ratio of powers on the delay power spectrum are constant.
- 根据权利要求33或37所述的用户设备,其中,所述时延量化值与预设的最大时延值和量化序列数正相关,所述时延量化值与量化等级负相关。The user equipment according to claim 33 or 37, wherein the delay quantization value is positively related to a preset maximum delay value and a quantization sequence number, and the delay quantization value is negatively related to a quantization level.
- 根据权利要求34至36任一项所述的用户设备,其中,所述量化等级包括时延量化值为零的量化等级。The user equipment according to any one of claims 34 to 36, wherein the quantization level includes a quantization level with a delay quantization value of zero.
- 根据权利要求34至36任一项所述的用户设备,其中,所述量化等级不包括时延量化值为零的量化等级。The user equipment according to any one of claims 34 to 36, wherein the quantization level does not include a quantization level with a delay quantization value of zero.
- 一种网络设备,所述网络设备包括:A network device includes:获取单元,配置为获取码本指示信息,所述码本指示信息对应于携带时延信息的频域加权系数;An obtaining unit configured to obtain codebook instruction information, where the codebook instruction information corresponds to a frequency domain weighting coefficient carrying delay information;第二确定单元,配置为基于所述码本指示信息确定信道状态。A second determining unit is configured to determine a channel state based on the codebook indication information.
- 根据权利要求42所述的网络设备,其中,所述获取单元,还配置为获取对应于波束向量的码本指示信息,获取对应于波束的幅度和相位加权系数的码本指示信息。The network device according to claim 42, wherein the obtaining unit is further configured to obtain codebook indication information corresponding to a beam vector, and obtain codebook indication information corresponding to an amplitude and a phase weighting coefficient of a beam.
- 根据权利要求42所述的网络设备,其中,所述第二确定单元,配置为计算对应i个波束的所述携带时延信息的频域加权系数、所述波束向量、所述波束的幅度和相位加权系数乘积,得到i个第一数值;The network device according to claim 42, wherein the second determining unit is configured to calculate a frequency domain weighting coefficient, the beam vector, an amplitude of the beam and Multiplying the phase weighting coefficients to obtain i first values;将所述i个第一数值进行加和,得到第二数值,所述第二数值用于表征所述信道状态,i为正整数。Adding the i first values to obtain a second value, where the second value is used to characterize the channel state, and i is a positive integer.
- 根据权利要求42至44任一项所述的网络设备,其中,所述网络设备还包括:The network device according to any one of claims 42 to 44, wherein the network device further comprises:第二发送单元,配置为发送上报请求消息,所述上报请求消息用于请求用户设备发送所述码本指示信息。The second sending unit is configured to send a report request message, where the report request message is used to request the user equipment to send the codebook indication information.
- 根据权利要求42至45任一项所述的网络设备,其中,所述时延信息为信道的两个不同径之间的时延量化值。The network device according to any one of claims 42 to 45, wherein the delay information is a delay quantization value between two different paths of a channel.
- 根据权利要求46所述的网络设备,其中,所述时延量化值,是在时延功率谱中任意两个量化等级对应的时延的功率相等时,对信道的两个不同径的时延进行量化得到。The network device according to claim 46, wherein the delay quantization value is a delay for two different paths of a channel when the powers of the delays corresponding to any two quantization levels in the delay power spectrum are equal. Quantified.
- 根据权利要求46所述的网络设备,其中,所述时延量化值,是在时延概率分布中任意两个量化等级对应的时延的概率相等时,对信道的两个不同径的时延进行量化获得。The network device according to claim 46, wherein the delay quantization value is a delay for two different paths of a channel when the probability of delay corresponding to any two quantization levels in the delay probability distribution is equal. Quantitatively obtained.
- 根据权利要求46所述的网络设备,其中,所述时延量化值,是基于Llody-Max算法,对所述信道的两个不同径之间的时延按照约定的量化等级数进行量化获得。The network device according to claim 46, wherein the delay quantization value is obtained by quantizing the delay between two different paths of the channel according to a predetermined number of quantization levels based on the Llody-Max algorithm.
- 根据权利要求46所述的网络设备,其中,所述时延量化值与预设的最大时延值、量化值序列数以及量化等级相关。The network device according to claim 46, wherein the delay quantization value is related to a preset maximum delay value, a sequence number of quantization values, and a quantization level.
- 根据权利要求46所述的网络设备,其中,时延功率谱上相邻两个时延量化值,在时延功率谱上的功率之比为常数。The network device according to claim 46, wherein two adjacent delay quantization values on the delay power spectrum, and a ratio of powers on the delay power spectrum are constant.
- 根据权利要求46或50所述的网络设备,其中,所述时延量化值与预设的最大时延值和量化序列数正相关,所述时延量化值与量化等级负相关。The network device according to claim 46 or 50, wherein the delay quantization value is positively related to a preset maximum delay value and the number of quantization sequences, and the delay quantization value is negatively related to a quantization level.
- 根据权利要求47至49任一项所述的网络设备,其中,所述量化等级包括时延量化值为零的量化等级。The network device according to any one of claims 47 to 49, wherein the quantization level includes a quantization level with a delay quantization value of zero.
- 根据权利要求47至49任一项所述的网络设备,其中,所述量化等级不包括时延量化值为零的量化等级。The network device according to any one of claims 47 to 49, wherein the quantization level does not include a quantization level with a delay quantization value of zero.
- 一种用户设备,包括:处理器和用于存储能够在处理器上运行的计算机程序的存储器,其中,A user equipment includes a processor and a memory for storing a computer program capable of running on the processor, wherein,所述处理器用于运行所述计算机程序时,执行权利要求1至14任一项所述的码本处理方法的步骤。When the processor is used to run the computer program, execute the steps of the codebook processing method according to any one of claims 1 to 14.
- 一种网络设备,包括:处理器和用于存储能够在处理器上运行的计算机程序的存储器,其中,A network device includes a processor and a memory for storing a computer program capable of running on the processor, wherein,所述处理器用于运行所述计算机程序时,执行权利要求15至27任一项所述的码本处理方法的步骤。When the processor is used to run the computer program, execute the steps of the codebook processing method according to any one of claims 15 to 27.
- 一种码本处理方法,包括:A codebook processing method includes:用户设备确定码本指示信息,所述码本指示信息对应于携带时延信息的频域加权系数;The user equipment determines codebook indication information, where the codebook indication information corresponds to a frequency domain weighting coefficient carrying delay information;用户设备发送所述码本指示信息;The user equipment sends the codebook indication information;网络设备获取所述码本指示信息;The network device obtains the codebook instruction information;网络设备基于所述码本指示信息确定信道状态。The network device determines a channel state based on the codebook indication information.
- 一种码本处理***,包括:A codebook processing system includes:用户设备,配置为确定码指示信息,并发送所述码本指示信息;所述码本指示信息对应于携带时延信息的频域加权系数;The user equipment is configured to determine code indication information and send the codebook indication information; the codebook indication information corresponds to a frequency domain weighting coefficient carrying delay information;网络设备,配置为获取所述码本指示信息,基于所述码本指示信息确定信道状态。The network device is configured to obtain the codebook indication information and determine a channel state based on the codebook indication information.
- 一种存储介质,存储有可执行程序,所述可执行程序被处理器执行时,实现权利要求1至14任一项所述的码本处理方法,或实现权利要求15至27任一项所述的码本处理方法。A storage medium storing an executable program. When the executable program is executed by a processor, the codebook processing method according to any one of claims 1 to 14 is implemented, or the method according to any one of claims 15 to 27 is implemented. The codebook processing method described above.
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