WO2021073578A1 - 编码方法、译码方法及设备 - Google Patents
编码方法、译码方法及设备 Download PDFInfo
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- WO2021073578A1 WO2021073578A1 PCT/CN2020/121271 CN2020121271W WO2021073578A1 WO 2021073578 A1 WO2021073578 A1 WO 2021073578A1 CN 2020121271 W CN2020121271 W CN 2020121271W WO 2021073578 A1 WO2021073578 A1 WO 2021073578A1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
- H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
- H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
- H04B7/0636—Feedback format
- H04B7/0639—Using selective indices, e.g. of a codebook, e.g. pre-distortion matrix index [PMI] or for beam selection
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/309—Measuring or estimating channel quality parameters
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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
- H04B7/0417—Feedback systems
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- H—ELECTRICITY
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- 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
- H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
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- H—ELECTRICITY
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- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
- H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
- H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
- H04B7/0621—Feedback content
- H04B7/0626—Channel coefficients, e.g. channel state information [CSI]
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- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
- H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
- H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
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- H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
- H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
- H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
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- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0009—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the channel coding
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04L5/00—Arrangements affording multiple use of the transmission path
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- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
- H04L5/0051—Allocation of pilot signals, i.e. of signals known to the receiver of dedicated pilots, i.e. pilots destined for a single user or terminal
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- 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
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- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
- H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
- H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
- H04B7/0621—Feedback content
- H04B7/063—Parameters other than those covered in groups H04B7/0623 - H04B7/0634, e.g. channel matrix rank or transmit mode selection
Definitions
- This application relates to the field of communication technology, and in particular to an encoding method, decoding method and equipment.
- the transmitter device can optimize the signal transmission according to the channel state information (CSI) to make it more closely match the channel state.
- CSI channel state information
- PMI precoding matrix indicator
- eigen beamforming eigen beamforming
- the network device after receiving the PMI sent by the UE, finds the corresponding one or more codewords in the codebook based on the PMI, and obtains the combination information between the codewords, thereby obtaining the corresponding CSI.
- the traditional codebook includes: Type I codebook and Type II codebook.
- the embodiments of the present invention provide an encoding method, a decoding method, and a device to solve the problem of low PMI accuracy in the traditional CSI transmission process.
- an embodiment of the present invention provides an encoding method applied to a UE.
- the method includes: reporting N PMIs to a network device; wherein each PMI corresponds to a channel; the first PMI contains information about the channel corresponding to the second PMI. Channel information; the first PMI is one of the N PMIs, the second PMI is at least one PMI before the first PMI, where N is a positive integer greater than 1.
- an embodiment of the present invention provides a decoding method, which is applied to a network device.
- the method includes: decoding N PMIs received from a UE to obtain channel information of N channels; wherein, each PMI Channel information corresponding to one channel; the first PMI contains channel information corresponding to the second PMI; the first PMI is one of the N PMIs; the second PMI is at least one PMI before the first PMI, N Is a positive integer greater than 1.
- an embodiment of the present invention provides a decoding method, which is applied to a network device.
- the method includes: using Y decoding modules to decode N PMIs received from a UE to obtain channels of N channels Information; Among them, part or all of the Y decoding modules are different; N and Y are positive integers greater than 1.
- an embodiment of the present invention provides a UE, the UE includes: a sending module, wherein: the above sending module reports N PMIs to a network device; wherein each PMI corresponds to a channel; the first PMI includes a second PMI; The channel information of the channel corresponding to the PMI; the first PMI is one of the N PMIs; the second PMI is at least one PMI before the first PMI, where N is a positive integer greater than 1.
- an embodiment of the present invention provides a network device, the network device includes: a decoding unit, configured to decode N PMIs received from user equipment UE to obtain channel information of N channels; wherein, Each PMI corresponds to the channel information of a channel; the first PMI contains the channel information of the channel corresponding to the second PMI; the first PMI is one of the N PMIs; the second PMI is at least one PMI before the first PMI, and N is greater than A positive integer of 1.
- an embodiment of the present invention provides a decoding method applied to a network device.
- the method includes: a decoding unit, configured to use Y decoding modules to interpret the N PMIs received from the user equipment UE. Code to obtain channel information of N channels; among them, any decoding module corresponds to at least one of the N PMIs; some or all of the decoding modules in the Y decoding modules are different; N and Y are positive values greater than 1. Integer.
- an embodiment of the present invention provides a terminal device, including a processor, a memory, and a computer program stored on the memory and running on the processor, the computer program being executed by the processor When realizing the steps of the encoding method as described in the first aspect.
- an embodiment of the present invention provides a network device including a processor, a memory, and a computer program stored on the memory and capable of running on the processor.
- a network device including a processor, a memory, and a computer program stored on the memory and capable of running on the processor.
- an embodiment of the present invention provides a network device that includes a processor, a memory, and a computer program stored on the memory and capable of running on the processor.
- a computer program stored on the memory and capable of running on the processor.
- an embodiment of the present invention provides a computer-readable storage medium on which a computer program is stored, and when the computer program is executed by a processor, the steps of the above-mentioned encoding method and decoding method are implemented.
- the obtained PMI will contain the channel information of at least one PMI before the PMI, that is, compared to the traditional technology using only channel information and a fixed codebook for channeling. Encoding.
- the channel information of other channels previously encoded by the UE is combined for encoding, thereby improving the encoding accuracy of the UE and obtaining a higher-precision PMI, thereby obtaining accurate CSI, and improving communication efficiency.
- FIG. 1 is a schematic diagram of a possible structure of a communication system involved in an embodiment of the present invention
- FIG. 2 is a schematic flowchart of an encoding method provided by an embodiment of the present invention.
- FIG. 3 is one of the schematic flowcharts of a decoding method provided by an embodiment of the present invention.
- FIG. 4 is a second schematic flowchart of a decoding method provided by an embodiment of the present invention.
- FIG. 5 is a schematic flowchart of a training method of an encoding module and a decoding module according to an embodiment of the present invention
- FIG. 6 is a schematic flowchart of an encoding and decoding method provided by an embodiment of the present invention.
- FIG. 7 is a schematic structural diagram of a UE provided by an embodiment of the present invention.
- FIG. 8 is a schematic structural diagram of a network device provided by an embodiment of the present invention.
- FIG. 9 is a schematic diagram of the hardware structure of a terminal device according to an embodiment of the present invention.
- FIG. 10 is a schematic diagram of the hardware structure of a network device provided by an embodiment of the present invention.
- A/B can mean A or B
- the "and/or" in this article is only an association relationship describing associated objects, indicating that there may be three A relationship, for example, A and/or B, can mean: A alone exists, A and B exist at the same time, and B exists alone.
- the words “first”, “second”, etc. are used for the same items or similar items that have basically the same function or effect.
- words such as “first” and “second” do not limit the number and execution order.
- the first encoding module and the second encoding module are used to distinguish different encoding modules, rather than to describe a specific sequence of encoding modules.
- the technical solution provided by the present invention can be applied to various communication systems, for example, a 5G communication system, a future evolution system, or a variety of communication convergence systems, and so on. It can include a variety of application scenarios, such as Machine to Machine (M2M), D2M, macro and micro communications, enhanced Mobile Broadband (eMBB), ultra-high reliability and ultra-low latency communications (ultra Reliable&Low Latency Communication, uRLLC) and Massive Machine Type Communication (mMTC) and other scenarios. These scenarios include, but are not limited to: communication between a terminal device and a terminal device, or a communication between a network device and a network device, or a communication between a network device and a terminal device, and other scenarios.
- the embodiments of the present invention can be applied to communication between a network device and a terminal device in a 5G communication system, or a communication between a terminal device and a terminal device, or a communication between a network device and a network device.
- Fig. 1 shows a schematic diagram of a possible structure of a communication system involved in an embodiment of the present invention.
- the communication system includes at least one network device 100 (only one is shown in FIG. 1) and one or more terminal devices 200 connected to each network device 100.
- the aforementioned network device 100 may be a base station, a core network device, a transmission and reception point (Transmission and Reception Point, TRP), a relay station, or an access point, etc.
- the network device 100 may be a base station transceiver station (BTS) in a global system for mobile communication (GSM) or a code division multiple access (Code Division Multiple Access, CDMA) network, or it may be a broadband
- the NB (NodeB) in Wideband Code Division Multiple Access (WCDMA) may also be the eNB or eNodeB (evolutional NodeB) in LTE.
- the network device 100 may also be a wireless controller in a cloud radio access network (Cloud Radio Access Network, CRAN) scenario.
- the network device 100 may also be a network device in a 5G communication system or a network device in a future evolution network.
- the words do not constitute a limitation to the present invention.
- the terminal device 200 may be a wireless terminal device or a wired terminal device.
- the wireless terminal device may be a device that provides voice and/or other service data connectivity to the user, a handheld device with wireless communication function, a computing device, or a wireless terminal device connected to a wireless terminal.
- a wireless terminal device can communicate with one or more core networks via a radio access network (RAN).
- the wireless terminal device can be a mobile terminal device, such as a mobile phone (or “cellular” phone) and a mobile phone.
- the computer of the terminal device can be a portable, pocket-sized, handheld, built-in computer or vehicle-mounted mobile device, which exchanges language and/or data with the wireless access network, and personal communication service (PCS) Telephones, cordless phones, Session Initiation Protocol (SIP) phones, Wireless Local Loop (WLL) stations, Personal Digital Assistants (PDAs) and other devices.
- PCS personal communication service
- IP Session Initiation Protocol
- WLL Wireless Local Loop
- PDAs Personal Digital Assistants
- Wireless terminal devices can also be mobile Equipment, User Equipment (UE), UE terminal equipment, access terminal equipment, wireless communication equipment, terminal equipment unit, terminal equipment station, mobile station (Mobile Station), mobile station (Mobile), remote station (Remote Station) ), remote station, remote terminal equipment (Remote Terminal), subscriber unit (Subscriber Unit), subscriber station (Subscriber Station), user agent (User Agent), terminal equipment, etc.
- UE User Equipment
- FIG. 1 shows that the terminal device is a mobile phone as an example.
- the transmitting end device can optimize the signal transmission according to the CSI to make it more suitable for the channel state. Therefore, since the multi-antenna technology was proposed, CSI acquisition has always been a research hotspot.
- the uplink channel represented by SRS cannot accurately know the information of the downlink channel, and it is necessary to send the channel state information reference
- the signal (CSI reference singal, CSI-RS) is sent to the UE, and the UE performs channel estimation based on the CSI-RS to obtain the information of the downlink channel, and then uses the codebook specified in the protocol to transmit the PMI to the network equipment.
- the network equipment can be based on the codebook and PMI. Restore the information of the downlink channel.
- the current codebooks are divided into Type I codebooks and Type II codebooks. Their core ideas are based on oversampled 2D DFT beams. The codewords are artificially constructed through certain rules, and then the PMI bit information is used to indicate the codebook The corresponding channel vector or matrix can be retrieved.
- the precoding matrix W in the single-panel CSI codebook of Type I can be expressed as the product of two matrices W1 and W2, and the information of W1 and W2 will be reported separately.
- W1 represents long-term and frequency-independent channel characteristics. The UE reports a W1 for the entire reported bandwidth, while W2 tries to capture short-term and frequency-related channel characteristics.
- the UE reports a W2 for each subband, or W2 is not reported.
- W1 and W2 are composed of oversampled 2D DFT beam.
- Type II and Type I are composed of oversampled 2D DFT beam.
- the difference between Type II and Type I is that Type I only reports one beam in the end, while Type II reports up to 4 orthogonal beams.
- the reported PMI will provide a corresponding amplitude value (wideband and subband) and a phase value (subband).
- Type II captures the main propagation path and the corresponding amplitude and phase, thereby providing more detailed channel information.
- the overhead of Type II is generally greater than that of Type I.
- the embodiments of the present invention provide an encoding method, decoding method and device.
- the UE obtains the channel, when using the encoding module to encode the channel, compared with the traditional technology, only the channel information and fixed code are used.
- the channel is encoded in combination with the encoding information of the encoding module before the encoding module. Since the encoding information of the previous encoding module can reflect the correction information, the encoding accuracy of the encoding module is improved, and the acquisition accuracy is higher. In order to obtain accurate CSI, the energy efficiency of communication is improved.
- FIG. 2 shows a schematic flowchart of an encoding method provided by an embodiment of the present invention. As shown in FIG. 2, when applied to a UE, the encoding method may include step 201:
- Step 201 The UE reports N PMIs to the network device.
- the peer network device receives N PMIs.
- each PMI corresponds to a channel; the first PMI contains channel information of the channel corresponding to the second PMI; the first PMI is one of the N PMIs; the second PMI is at least one PMI before the first PMI, Among them, N is a positive integer greater than 1.
- the obtained PMI will contain the channel information of at least one PMI before the PMI. That is, compared to the traditional technology using only channel information and a fixed codebook for channel encoding, the present invention implements For example, when encoding a channel, the channel information of other channels previously encoded by the UE is used for encoding, thereby improving the encoding accuracy of the UE, obtaining a higher-precision PMI, and then obtaining accurate CSI, which improves communication energy efficiency.
- the foregoing N PMIs correspond to L encoding modules, and any encoding module obtains at least one PMI among the foregoing N PMIs; the encoding of the first encoding module is based on the encoding of the second encoding module The information is encoded; the first encoding module is one of L encoding modules; the second encoding module is the encoding module that was encoded before the first encoding module, and L is a positive integer greater than 1.
- any one of the above-mentioned N PMIs is obtained by: the first coding module encodes the channel corresponding to any one of the above-mentioned PMIs according to the coding information of the second coding module;
- the encoding module is the encoding module corresponding to any of the above-mentioned PMIs.
- the L encoding modules used by the UE may correspond to the Y decoding modules used by the network device.
- L 4 encoding modules
- Y 4 in turn.
- the network device is also Four decoding modules are used, which are decoding module 1, decoding module 2, decoding module 3, and decoding module 4.
- the aforementioned encoding module 1 corresponds to the decoding module 1
- the aforementioned encoding module 2 corresponds to the decoding module 2
- the aforementioned encoding module 3 corresponds to the decoding module 3
- the aforementioned encoding module 4 corresponds to the decoding module. 4 corresponds.
- the L encoding modules used by the UE may not completely correspond to the Y decoding modules used by the network device.
- L 4 encoding modules
- Y 1 encoding module
- the corresponding decoding module reuses decoding module 1 for decoding. code.
- the UE may set the maximum number of PMIs reported by the UE in one coding period, and the UE may determine the number N of coding modules based on the maximum number of PMIs reported by the UE.
- the encoding module is composed of a neural network, the training process of the neural network can be performed based on the maximum number of PMIs reported by the UE.
- the foregoing encoding module may include a codebook or other encoding modules capable of encoding in addition to the codebook, which is not limited in the embodiment of the present invention.
- the encoding module can be in other forms besides the codebook, it is necessary to use the codebook for encoding in the traditional technology, and the codebook design needs to be based on a specific antenna model and channel model, that is, the above-mentioned code
- the codebook design needs to be based on a specific antenna model and channel model, that is, the above-mentioned code
- it is necessary to adopt a multi-antenna system that conforms to a specific antenna model the selection of hardware devices is not flexible enough, and the actual channel does not completely conform to the assumed channel model.
- the embodiment of the present invention can complete channel transmission without using a codebook. Therefore, it is not restricted by the specific structure of the hardware device, can be used in conjunction with various multi-antenna systems more flexibly, and is more suitable for complex actual channel environments.
- the aforementioned encoding module may be an encoding module trained based on a neural network.
- the coding information of the second coding module includes at least one of the following: CSI-RS corresponding to the first channel, the second coding module calculates intermediate state information of the PMI, and the CSI-RS Time-domain correlation information, the frequency-domain correlation information of the above-mentioned CSI-RS.
- the first channel is a channel corresponding to the PMI corresponding to the second encoding module.
- the above-mentioned intermediate state information refers to the output of the intermediate layer of the neural network (through the activation function or without the activation function).
- the above-mentioned intermediate state information refers to the intermediate result of processing such as a two-dimensional discrete Fourier transform beam/matrix and its combined transformation.
- the foregoing processing includes operations such as linear combination, product, Kroneck product (kroneck product), eigenvalue decomposition, etc. of multiple beams/matrices, and combinations of these operations.
- the foregoing L encoding modules are the same encoding module.
- N 4 encoding modules
- the encoding module numbered 1 is used each time.
- some or all of the foregoing L encoding modules are different.
- Example 1 Some of the above-mentioned L encoding modules are the same encoding modules. For example, suppose N is 4, that is, a total of 4 encoding modules are used, and the encoding module numbered 1 and the encoding module numbered 2 are respectively used twice.
- Example 2 The above L encoding modules are N different encoding modules. Assuming that N is 4, that is, a total of 4 encoding modules are used, and the UE uses encoding module 1, encoding module 2, encoding module 3, and encoding module 4 in turn.
- the UE can flexibly select a suitable encoding module to encode the channel information according to the current application scenario. Compared with the traditional PMI encoding process using a fixed decoding module for decoding, it saves the resource overhead of the UE and improves the communication energy efficiency.
- the PMI bit widths of all or part of the above L coding modules are the same, or the PMI bit widths of the above L coding modules are all different. It should be noted that the PMI bit width of the same encoding module may be the same or different, and the PMI bit width of different encoding modules may be the same or different.
- the UE may only intercept part of the PMI bit width information, so as to report only part of the PMI output by the encoding module. In this way, the UE can directly change the different PMI bit widths of the encoding module according to the current application scenario. Therefore, the resource overhead of the UE can be further saved, and the communication energy efficiency can be further improved.
- the above step 201 may include the following step 201a:
- Step 201a After the first coding period starts, the UE reports N PMIs to the aforementioned network equipment.
- the foregoing N PMIs are encoded in the foregoing first encoding period.
- the above-mentioned step 201 may include the following step 201b:
- Step 201b The UE uses the third coding module to perform channel coding according to the first configuration parameter to obtain the PMI.
- the foregoing third encoding module is at least one of the foregoing L encoding modules.
- the above-mentioned first configuration parameter is used to indicate at least one of the following information: the above-mentioned L coding modules, the coding sequence of the above-mentioned L coding modules, the maximum coding time of each coding module, and the above-mentioned UE reports in one coding period The maximum number of PMIs, the PMI bit width of the encoding module, and the trigger condition for the start of the first encoding cycle.
- the trigger condition for the start of the first coding period may include at least one of the following: the cumulative number of PMIs reported by the UE in the second coding period is greater than the number M, the UE receives the first indication information from the network device, and The UE sends second indication information to the network device, the UE continuously receives multiple acknowledgement information ACKs from the network device, the UE detects beam failure, the UE re-accesses or switches the cell, and the channel status changes.
- the first indication information and the second indication information are used to instruct the UE to start a new coding period
- the second coding period is a previous coding period of the first coding period
- the change in the channel state includes at least one of the following: a change in the channel environment between the UE and the network device, a change in the quality of service required by the UE, a change in CSI-RS information used by the UE for detection, and the network device
- the information change of the used CSI-RS is detected, and the above-mentioned UE detects the change of the antenna state.
- the information change of the CSI-RS used by the network device detection refers to: the configuration information of the CSI-RS resource set (resource set) has changed, or a new CSI-RS resource set or CSI-RS resource is used.
- the configuration information of (resource) has changed, or a new CSI-RS resource has been used.
- the above-mentioned first configuration parameter is: specified by the protocol, or, pre-defined, or, configuration information used by the above-mentioned UE in the second coding period, or, determined by the above-mentioned UE according to target information; wherein, the above-mentioned first The second coding period is the previous coding period of the first coding period; the above-mentioned target information is used to indicate at least one of the following: the channel environment between the above-mentioned UE and the network equipment, the quality of service required by the above-mentioned UE, the hardware configuration of the above-mentioned network equipment, The hardware configuration of the UE.
- the above-mentioned first configuration parameter may be: UE through signaling (for example, Radio Resource Control (Radio Resource Control, RRC), Media Access Control-Control Element, MAC CE) , Uplink Control Information (One or more of Uplink Control Information, UCI) is reported to the network equipment or the network equipment through signaling (for example, RRC, MAC CE, Downlink Control Information (DCI) One or more) configured to the UE.
- signaling for example, Radio Resource Control (Radio Resource Control, RRC), Media Access Control-Control Element, MAC CE
- UCI Uplink Control Information
- DCI Downlink Control Information
- the aforementioned first configuration parameter may be a default configuration specified by the protocol.
- the foregoing first configuration parameter is: information used to indicate the L encoding modules, information used to indicate the encoding sequence of the encoding modules that perform encoding in the first encoding period, and information used to indicate the encoding module
- the maximum coding time information is used to indicate the information about the maximum number of PMIs reported by the UE in one coding period, the information used to indicate the PMI bit width of the coding module, and the information used to indicate the trigger condition for the start of the first coding period. .
- each indication information in the above-mentioned first configuration parameter may be reported by the UE to the network device through signaling (for example, one or more of RRC, MAC CE, and UCI) or the network device through signaling (for example, , One or more of RRC, MAC CE, DCI) indicate to the UE.
- signaling for example, one or more of RRC, MAC CE, and UCI
- signaling for example, One or more of RRC, MAC CE, DCI
- the channel environment between the UE and the network device is: the UE is obtained by detecting the second channel, or the network device is by detecting the third channel, or the UE’s sensing device is obtained, or, The above-mentioned network equipment is obtained through the CSI report sent by the UE; and/or, the above-mentioned target information is obtained by the UE through high-level signaling.
- the above-mentioned second channel includes at least one of the following: Physical Downlink Control Channel (PDCCH), Physical Downlink Shared Channel (Physical Downlink Shared CHannel, PDSCH, PDSCH), CSI-RS, Demodulation Reference Signal (Demodulation Reference Signal) Reference Sgnal, DMRS, Phase Tracking Reference Signal (PTRS), synchronization signal, Physical Broadcast Channel (PBCH);
- the third channel includes at least one of the following: Physical Uplink Control Channel ( Physical Uplink Control Channel, PUCCH), Physical Uplink Shared Channel (PUSCH), Physical Random Access Channel (PRACH), Channel Sounding Reference Signal (Sounding Reference Signal, SRS), PTRS, DMRS .
- the above-mentioned sensing device includes at least one of the following: global positioning system GPS, gyroscope, other sensors that sense the location, movement, rotation, and whether the UE is blocked;
- the above-mentioned high-level signaling refers to at least one of the following: with network equipment and UE The signaling related to the hardware configuration, the signaling related to the channel environment from the network device to the UE, and the signaling related to the quality of service required by the terminal.
- the foregoing target information includes first information
- the foregoing first information is used to indicate a channel environment between the UE and the foregoing network device.
- the above-mentioned first information includes at least one of the following: transmit power, noise power, interference power, line of sight transmission (LOS) of wireless signals, non-line of sight transmission (NLOS) of wireless signals, time Delay information, scattering conditions, channel time variability, terminal movement speed, terminal rotation speed, and change speed of occlusion around the terminal;
- the above-mentioned target information includes second information, and the above-mentioned second information is used to indicate the quality of service required by the UE;
- the above-mentioned second information includes at least one of the following: power, throughput value, delay information, and data packets to be transmitted Size, bit error rate, signal-to-noise ratio or signal-to-interference-to-noise ratio;
- the above-mentioned target information includes third information, and the above-mentioned third information is used to indicate the hardware configuration of the network device; the above-mentioned third information includes at least one of the following: antenna-related parameters of the above-mentioned network device, and processing capability information of the above-mentioned network device parameter;
- the foregoing target information includes fourth information, and the foregoing fourth information is used to indicate the hardware configuration of the UE; the foregoing fourth information includes at least one of the following: antenna-related parameters of the foregoing UE, and processing capability information parameters of the foregoing UE.
- the antenna-related parameters of the aforementioned network equipment include at least one of the following: the number of antenna elements, the number of transceiver units, the number of TXRUs, and the number of antenna panels;
- the processing capability information parameters of the aforementioned network equipment include at least one of the following: signal processing capability, data calculation Capability, storage capacity, central processing unit (CPU), graphics processing unit (GPU), neural network processor (Natural Processing Unit, NPU);
- the above UE antenna related parameters include at least one of the following , The number of antenna elements, the number of TXRUs, the number of antenna panels;
- the processing capability information parameter of the UE includes at least one of the following: signal processing capability, data computing capability, storage capability, CPU, GPU, NPU.
- the UE may obtain one or more items of the first information by detecting one or more combinations in the second channel; and/or, the network device may detect the third channel One or more combinations of, to obtain one or more of the above-mentioned first information; and/or, the network device may obtain the transmission power, noise power, and interference power in the first information through the CSI report sent by the UE And/or, the UE may obtain at least one of the channel time variability, the terminal moving speed, the terminal rotation speed, and the changing speed of the surrounding shielding of the terminal in the first information through the UE's sensing device.
- step 201c is further included:
- Step 201c The UE obtains third indication information.
- the third indication information is used to indicate the first configuration parameter.
- the aforementioned third indication information is specifically used to indicate the parameter identifier corresponding to the first configuration parameter.
- Example 1 After the UE obtains the first configuration parameter, it will report the third indication information to the network device so that the network device can use the parameter identifier of the first configuration parameter corresponding to the third indication information as an index, from the pre-configuration Among the one or more configuration parameters of, the corresponding first configuration parameter is obtained.
- Example 2 The UE receives the third indication information from the network device, and then obtains the parameter identifier of the first configuration parameter from the third indication information, and then uses the parameter identifier of the first configuration parameter as an index, from a pre-configured one Among the multiple configuration parameters, the corresponding first configuration parameter is obtained.
- the foregoing third indication information is specifically used to indicate at least one of the following: the maximum encoding time of each encoding module, the maximum number of PMIs reported by the UE in one encoding period, and the PMI bit width of the encoding module.
- the aforementioned third indication information is specifically used to indicate the change range of each parameter in the first configuration parameter.
- the network device indicates that the first configuration parameter has priority over the UE.
- the UE provides the UE with a variety of parameter change modes for flexible selection, and different change modes can be used for different situations. Therefore, the resource overhead of the UE encoding can be greatly saved and the encoding efficiency can be improved.
- step 201c may include the following step 201c1:
- Step 201c1 After the fourth encoding module completes encoding, the UE obtains third indication information.
- the foregoing fourth encoding module is a previous encoding module of the foregoing third encoding module, and the foregoing fourth encoding module is one encoding module of the foregoing L encoding modules.
- the third indication information is also used to instruct to change at least one of the following information in the original configuration parameters of the third encoding module: the PMI bit width of the third encoding module, and the information reported by the UE within one encoding period The maximum number of PMIs.
- step 201c may include the following step 201c2:
- Step 201c2 The UE obtains third indication information before the start of the above-mentioned first coding period.
- the above-mentioned first configuration parameter is the original configuration parameter of the above-mentioned third encoding module after modification.
- the third indication information is also used to instruct to change at least one of the following among the original configuration parameters of the third encoding module: the encoding sequence of the encoding modules that perform encoding in the first encoding period, and the maximum encoding of the encoding module Time, the maximum number of PMIs reported by the UE in one coding period, the PMI bit width of the coding module, and the trigger condition for the start of the first coding period; wherein, the first configuration parameter is the original configuration of the changed third coding module parameter.
- the UE after the UE obtains the channel, when the channel is encoded by the encoding module, compared with the traditional technology that only uses channel information and a fixed codebook for channel encoding, it will combine with the encoding module.
- the encoding information of the previous encoding module encodes the channel. Since the encoding information of the previous encoding module can reflect the correction information, the encoding accuracy of the encoding module is improved, the PMI with higher accuracy is obtained, and the accurate CSI is obtained. Communication energy efficiency.
- FIG. 3 shows a schematic flowchart of a decoding method provided by an embodiment of the present invention. As shown in FIG. 3, when applied to a network device, the decoding method may include step 301:
- Step 301 The network device decodes the N PMIs received from the UE to obtain channel information of the N channels.
- each PMI corresponds to the channel information of a channel; the first PMI contains the channel information of the channel corresponding to the second PMI; the above-mentioned first PMI is one of the above-mentioned N PMIs; the above-mentioned second PMI is the one before the first PMI At least one PMI, N is a positive integer greater than 1.
- any of the N PMIs received by the network device will contain The channel information of at least one PMI before any PMI, so that the network device can obtain more accurate CSI, and the communication energy efficiency is improved.
- step 301 includes step A1:
- Step A1 The network device uses Y decoding modules to decode the N PMIs received from the UE to obtain channel information of the N channels.
- any decoding module corresponds to at least one of the above-mentioned N PMIs; Y is a positive integer greater than 1.
- the above Y decoding modules may also be all the same.
- some or all of the above-mentioned Y decoding modules are different.
- Example 1 Part of the coding modules in the above Y decoding modules are the same coding modules. For example, assuming that Y is 4, that is, a total of 4 decoding modules are used, and the decoding module numbered 1 and the decoding module numbered 2 are respectively used twice.
- Example 2 The above Y decoding modules are N different decoding modules. Assuming that N is 4, that is, a total of 4 decoding modules are used, and the UE uses the decoding module 1, the decoding module 2, the decoding module 3, and the decoding module 4 in sequence.
- the network device can flexibly select a suitable decoding module to encode the PMI according to the current application scenario.
- the resource overhead of the network device is saved, and the communication is greatly improved. efficiency.
- the first decoding module decodes based on the decoding information of the second decoding module and/or the encoding information of the second encoding module; the first decoding module has Y One of the decoding modules; the second decoding module is a decoding module before the first decoding module; the second encoding module is an encoding module that performs encoding before the corresponding encoding module of the first decoding module.
- the above-mentioned first decoding module decodes any one of the above-mentioned PMIs according to the decoding information of the second decoding module; the above-mentioned first decoding module corresponds to any one of the above-mentioned PMIs The decoding module; the second decoding module is the decoding module before the first decoding module.
- the L encoding modules used by the network device may correspond to the Y decoding modules used by the network device.
- N is 4, that is, a total of 4 encoding modules are used
- the UE uses encoding module 1, encoding module 2, encoding module 3, and encoding module 4 in turn.
- the network device also uses 4 decoding modules.
- the modules are decoding module 1, decoding module 2, decoding module 3 and decoding module 4 in order.
- the aforementioned encoding module 1 corresponds to the decoding module 1
- the aforementioned encoding module 2 corresponds to the decoding module 2
- the aforementioned encoding module 3 corresponds to the decoding module 3
- the aforementioned encoding module 4 corresponds to the decoding module. 4 corresponds.
- the L encoding modules used by the UE may not completely correspond to the Y decoding modules used by the network device.
- L 4 encoding modules
- Y 1 encoding module
- the corresponding decoding module reuses decoding module 1 for decoding. code.
- the second encoding module in the first embodiment and the second decoding module in the second embodiment may be corresponding modules or non-corresponding modules.
- the network device can set the maximum number of PMIs received by the network device in a decoding period, and the network device can determine the number of decoding modules based on the maximum number of PMIs reported by the network device N.
- the decoding module is composed of a neural network
- the training process of the neural network can be performed based on the maximum number of PMIs received by the network device.
- the above-mentioned first decoding module decodes any one of the above-mentioned PMIs according to the decoding information of the second decoding module; the above-mentioned first decoding module corresponds to any one of the above-mentioned PMIs The decoding module; the second decoding module is the decoding module before the first decoding module.
- the aforementioned encoding module may include a codebook or other decoding modules capable of decoding in addition to the codebook, which is not limited in the embodiment of the present invention.
- the decoding module can be in other forms besides the codebook, it is necessary to use the codebook for decoding compared to the traditional technology, and the codebook design needs to be based on a specific antenna model, that is, the above-mentioned codebook is used.
- a multi-antenna system that conforms to a specific antenna model is required, and the selection of hardware devices is not flexible enough.
- the embodiment of the present invention can complete channel transmission without using a codebook. Therefore, it is not limited by the specific structure of the hardware device, and can be more flexible with Various multi-antenna systems are used in conjunction.
- the above-mentioned decoding module may be a decoding module trained based on a neural network.
- the decoding information of the second decoding module includes at least one of the following: a third PMI corresponding to the second decoding module, the second decoding module decodes intermediate state information of the third PMI, and the first The time-domain correlation information of the three PMI, and the frequency-domain correlation information of the third PMI.
- the above-mentioned intermediate state information refers to the output of the intermediate layer of the neural network (through the activation function or without the activation function).
- the above-mentioned intermediate state information refers to the intermediate results of the two-dimensional discrete Fourier transform beam/matrix and its combined transformation.
- the above processing includes operations such as linear combination, product, kroneck product, eigenvalue decomposition of multiple beams/matrices, and combinations of these operations.
- the PMI bit widths of all or part of the Y decoding modules are the same, or the PMI bit widths of the Y decoding modules are all different.
- the above step 301 may include the following step 301a:
- Step 301a After the first decoding cycle starts, the network device uses Y decoding modules to decode the N PMIs received from the UE to obtain channel information of N channels.
- step 301 may also include the following step 301b:
- the network device uses the third decoding module to perform PMI decoding according to the first configuration parameter to obtain channel information.
- the third decoding module is at least one of the Y decoding modules;
- the first configuration parameter is used to indicate at least one of the following information: Y decoding modules, the decoding order of the Y decoding modules, each The maximum decoding time of each decoding module, the maximum number of PMIs reported by the UE in a decoding cycle, the PMI bit width of the decoding module, and the trigger condition for the start of the first decoding cycle.
- the trigger condition includes at least one of the following: the cumulative number of PMIs reported by the UE in the second decoding period is greater than the maximum PMI number M received in one decoding period, the UE receives the first indication information from the network device, and the UE sends The network device sends the second indication information, the network device continuously sends multiple ACKs to the UE, the network device detects that the beam fails, the network device re-accesses or switches the cell, and the channel status changes.
- the first indication information and the second indication information are used to instruct the network device to start a new decoding cycle, and the second decoding cycle is the previous decoding cycle of the first decoding cycle.
- the change in the aforementioned channel state includes at least one of the following: a change in the channel environment between the aforementioned UE and the aforementioned network device, a change in the quality of service required by the aforementioned network device, a change in the information of the CSI-RS used by the aforementioned UE detection, and the aforementioned network
- the device detects a change in the information of the CSI-RS used, and the above-mentioned UE detects a change in the antenna state.
- the above-mentioned first configuration parameter is: specified by the protocol, or, predefined, or, configuration information used by the above-mentioned UE in the second decoding period, or, determined by the above-mentioned network device according to the target information; wherein , The second decoding cycle is the previous decoding cycle of the first decoding cycle; the target information is used to indicate at least one of the following: the channel environment between the UE and the network equipment, the quality of service required by the UE, and the network The hardware configuration of the device, the hardware configuration of the aforementioned UE.
- the above-mentioned first configuration parameter may be: UE through signaling (for example, Radio Resource Control (Radio Resource Control, RRC), Media Access Control-Control Element, MAC CE) , Uplink Control Information (One or more of Uplink Control Information, UCI) is reported to network equipment or network equipment through signaling (for example, RRC, MAC CE, Downlink Control Information (DCI) One or more) configured to the UE.
- signaling for example, Radio Resource Control (Radio Resource Control, RRC), Media Access Control-Control Element, MAC CE
- UCI Uplink Control Information
- DCI Downlink Control Information
- the aforementioned first configuration parameter may be a default configuration specified by the protocol.
- the first configuration parameter is: information used to indicate the Y decoding modules, and information used to indicate the decoding order of the decoding modules to be decoded in the first decoding period.
- the information indicating the maximum decoding time of the decoding module is used to indicate the maximum number of PMIs received by the network device in a decoding period, and the information used to indicate the PMI bit width of the decoding module is used to indicate the foregoing Information about the trigger condition for the start of the first decoding cycle.
- each indication information in the above-mentioned first configuration parameter may be reported by the UE to the network device through signaling (for example, one or more of RRC, MAC CE, and UCI) or the network device through signaling (for example, , One or more of RRC, MAC CE, DCI) indicate to the UE.
- signaling for example, one or more of RRC, MAC CE, and UCI
- signaling for example, One or more of RRC, MAC CE, DCI
- step 301c is further included:
- Step 301c The network device obtains third indication information.
- the foregoing third indication information is used to indicate the first configuration parameter.
- the aforementioned third indication information is specifically used to indicate the parameter identifier corresponding to the first configuration parameter.
- Example 1 After obtaining the first configuration parameter, the network device reports the third indication information to the UE device so that the network device can use the parameter identifier of the first configuration parameter corresponding to the third indication information as an index, Among the configured one or more configuration parameters, the corresponding first configuration parameter is obtained.
- Example 2 The network device receives the third indication information from the UE device, and then obtains the parameter identifier of the first configuration parameter from the third indication information, and then uses the parameter identifier of the first configuration parameter as an index, from the pre-configured Among the one or more configuration parameters, the corresponding first configuration parameter is obtained.
- the aforementioned third indication information is specifically used to indicate at least one of the following: the maximum decoding time of each decoding module, the maximum number of PMIs received by the network device in a decoding period, and the PMI bit width.
- the aforementioned third indication information is specifically used to indicate the change range of each parameter in the first configuration parameter.
- the network device indicates that the first configuration parameter has priority over the UE.
- the network device provides flexible choices for the network device through a variety of parameter change methods, and different change methods can be used for different situations. Therefore, the resource overhead of the network device during decoding can be greatly saved and the decoding efficiency can be improved.
- step 301c may include the following step 301c1:
- Step 301c1 After the fourth decoding module completes the decoding, the network device obtains the third instruction information.
- the fourth decoding module is the previous decoding module of the third decoding module, and the fourth decoding module is one of the Y decoding modules.
- the third indication information is also used to instruct to change at least one of the following information in the original configuration parameters of the third decoding module: the PMI bit width of the third decoding module, and the network device is in one decoding The maximum number of PMIs reported in the period.
- step 301c may include the following step 301c2:
- Step 301c2 The network device obtains the third indication information before the start of the above-mentioned first decoding period.
- the above-mentioned first configuration parameter is the original configuration parameter of the above-mentioned third decoding module after modification.
- the third indication information is also used to instruct to change at least one of the following in the original configuration parameters of the third decoding module: information used to indicate the Y decoding modules, used to indicate the first decoding Information about the decoding order of the decoding modules to be decoded in the cycle, the maximum decoding time of the decoding module, the maximum number of PMIs reported by the UE in a decoding cycle, the PMI bit width of the decoding module, the first A trigger condition for the start of the decoding cycle; wherein the first configuration parameter is the changed original configuration parameter of the third decoding module.
- the network device uses Y decoding modules to decode N PMIs received from the UE to obtain channel information of N channels, and each decoding module corresponds to at least one PMI.
- Some or all of the decoding modules in the above Y decoding modules are different, that is, the network device can flexibly select a suitable decoding module to decode PMI according to the current application scenario.
- fixed decoding is used.
- the module performs decoding, which saves the resource overhead of network equipment and improves the energy efficiency of communication.
- Fig. 4 shows a schematic flowchart of a decoding method provided by an embodiment of the present invention. As shown in Fig. 4, when applied to a network device, the decoding method may include step A2:
- Step A2 The network device uses Y decoding modules to decode the N PMIs received from the UE to obtain channel information of N channels.
- any one of the above-mentioned Y decoding modules corresponds to at least one of the above-mentioned N PMIs; Y is a positive integer greater than 1. Some or all of the above Y decoding modules are different.
- the network device uses Y decoding modules to decode N PMIs received from the UE to obtain channel information of N channels, and each decoding module corresponds to at least one PMI.
- Some or all of the decoding modules in the above Y decoding modules are different, that is, the network device can flexibly select a suitable decoding module to decode PMI according to the current application scenario.
- fixed decoding is used.
- the module performs decoding, which saves the resource overhead of network equipment and improves the energy efficiency of communication.
- the academic circles have already conducted research on Artificial Intelligence (AI) + CSI.
- Both the network equipment and the UE use matching neural networks.
- the UE After receiving the CSI-RS, the UE performs channel estimation on the CSI-RS, and then uses the estimated result as the input of the UE-side neural network, and the output of the neural network is PMI:
- the network device After the network device receives the PMI, it uses the PMI as the input of the neural network on the network device side, and the output of the neural network is the channel information of the restored information, so as to obtain the CSI on the network device side.
- the neural network has a simple feedforward network, and the neural networks at different moments are not related; there are also Long Short Term Memory (LSTM) networks.
- the neural network uses the intermediate information from the previous moment to perform Neural networks share the same coefficients.
- LSTM Long Short Term Memory
- the aforementioned neural network may include special neurons such as convolutional neurons, and the activation function may be Sigmoid, Rectified Linear Unit (ReLU), Leaky Rectified Linear Unit (leaky Rectified Linear Unit, leaky). ReLU), hyperbolic tangent function (tanh), etc., which are not limited in the embodiment of the present invention.
- the existing AI+CSI technology does not have a specific operation plan that considers the impact of the protocol, such as the specific process of CSI measurement and reporting, and the neural network. The specific training process, etc.; 2.
- the network at each moment of the long short term memory (LSTM) network shares a set of parameters, which is not flexible enough and has limited performance improvement.
- an embodiment of the present invention provides an encoding module and a decoding module training method.
- the training method of the encoding module and decoding module may include steps 401 to 405:
- Step 401 The target device obtains X fifth channels obtained by the UE in the PMI period according to the PMI period.
- the above-mentioned PMI cycle includes: the total time length for one encoding module to complete one encoding and the corresponding decoding module to complete one decoding.
- the foregoing X fifth channels are: channels obtained by the UE after channel estimation of the CSI-RS received in the PMI feedback period.
- Step 402 The target device uses the X fifth channels as the input of the encoding module, and obtains X PMIs after encoding by the encoding module.
- any one of the above-mentioned N PMIs is obtained by the current coding module encoding the fifth channel corresponding to any one of the above-mentioned PMIs according to the coding information of the previous coding module; the above-mentioned current coding module is any one of the above The encoding module corresponding to PMI, N is a positive integer greater than 1.
- Step 403 The target device uses X PMIs as the input of the decoding module, and after encoding by the decoding module, X channel information G is obtained.
- any one of the above X PMIs is obtained by the current decoding module decoding the fifth channel corresponding to any one of the above PMIs according to the decoding information of the previous decoding module; the above current decoding The module is the decoding module corresponding to any of the above-mentioned PMIs, and N is a positive integer greater than 1.
- Step 404 The target channel calculates the correlation or error between the X channel information G and the expected X fifth channels H.
- step 404 can also be implemented through the following steps 404a and 404b, where:
- Step 404a The target device uses a single resource element (RE) and the correlation result in a single PMI period to perform calculations to obtain a first calculation result.
- RE resource element
- the foregoing first calculation result includes at least one of the following: the correlation between G and H, the mean squared error (MSE) between the foregoing G and the foregoing H, the mutual information between the foregoing G and the foregoing H, The Euclidean distance between the above G and the above H, and other parameters that reflect the correlation and/or error.
- MSE mean squared error
- Step 404b The target device integrates relevant results in different RE and PMI cycles to obtain a second calculation result.
- the above-mentioned second calculation result may be combined using at least one of the following methods: arithmetic average, geometric average, harmonic average, square average, weighted average, minimum maximum, and maximum minimum.
- the calculation object can be all or part of the relevant results in different RE and PMI cycles.
- Step 405 The target device trains the coefficients of the encoding module and the decoding module based on the correlation or error between the X channel information G and the expected X fifth channels H, so that the UE uses the matching encoding module and the network device to use Matching decoding module.
- the above-mentioned training process can be performed before the terminal device is connected to the network, and the module coefficients can be directly written into the chip, and real-time training can also be performed synchronously with the network after the UE is connected to the network.
- the terminal device and the network perform real-time training
- the terminal device reports the complete information of the fifth channel H to the network when reporting the PMI through the network.
- the network trains the parameters of the decoding module based on the correlation or error between the X channel information G and the expected X fifth channels H, and the network transmits the decoding module to the encoding module.
- the training-related information is sent to the terminal device for the terminal device to train the parameters of the encoding module.
- the training method of the encoding module and the decoding module provided by the embodiment of the present invention, through the neural network training of the encoding module and the decoding module, the correlation and error between G and the expected H are obtained, thereby giving the Considering the influence of the protocol, based on the specific training process of the neural network, and for the LSTM network at different times, the encoding module, decoding module and related parameters can be flexibly configured according to the changes of the current scene, which greatly enhances the AI+CSI Operational performance improves the accuracy of network recovery CSI, reduces the resource overhead of the terminal and the network, and improves communication energy efficiency.
- L encoding modules include: encoding module 1 to encoding module N
- N channels include H1 to HN
- channel information of N channels includes: From G1 to GN
- the N PMIs include: PMI1 to PMIN.
- the specific structures and/or parameters of the above L encoding modules may be the same or different; the specific structures and/or parameters of the Y decoding modules are at least different from other decoding modules.
- the L encoding modules used by the UE can correspond to the Y decoding modules used by the network equipment, that is, the sequence numbers between the H and PMI corresponding to each encoding module and the G obtained by the corresponding decoding module correspond to each other, for example, encoding H1 and PMI1 corresponding to module 1 correspond to G1 obtained by decoding module 1 on PMI1, and H2 and PMI2 corresponding to encoding module 2 correspond to G2 obtained from decoding module 2 on PMI2.
- the encoding and decoding method includes the following processes:
- the UE performs channel estimation on the current CSI-RS to obtain channel H1, and enters the channel H1 into encoding module 1 for encoding to obtain PMI1. Then, the UE reports the PMI1 to the network device, and the network device inputs the PMI1 into the decoding module 1 for decoding to obtain channel information G1.
- the UE performs channel estimation on the current CSI-RS to obtain channel H2, and enters the channel H2 and coding information 1 of coding module 1 into coding module 1 for coding to obtain PMI2.
- the obtained PMI2 contains the mixed information of H1 and H2.
- the UE reports the PMI2 to the network device, and the network device inputs the PMI 1 and the decoding information 1 of the decoding module 1 into the decoding module 1 for decoding to obtain channel information G2.
- the encoding and decoding process in the N-2 PMI reporting event after the second PMI reporting event can refer to the reporting process of the second PMI reporting event described above, which will not be repeated here.
- the input of encoding module N includes not only HN, but also encoding information of at least one encoding module from encoding module 1 to encoding module N-1.
- the PMIN obtained at this time includes Mixed information of multiple channels.
- the decoding module of the network device receives the PMIN, the decoding module not only includes the received PMIN when decoding, but also includes the decoding information of at least one of the decoding module 1 to the decoding module N-1.
- the GN received at this time contains mixed information of multiple PMIs.
- the encoding information of the foregoing encoding module may not only be the previous encoding module, but also the encoding information of all or part of the previous encoding modules.
- the decoding information of the aforementioned decoding module may also be not only the decoding information of the previous decoding module, but also the decoding information of all or part of the previous decoding modules.
- the encoding module and the decoding module will be trained first. Specifically, when performing neural network training, according to the encoding and decoding process shown in FIG. 6, H1 to HN are sequentially input to the encoding module 1 to the encoding module N, and PMI1 to PMIN are sequentially obtained. PMI1 to PMIN are sequentially input into decoding module 1 to decoding module N to obtain G1 to GN. Next, the correlation and/or error between G and H are calculated.
- Loss 1-(the average of the squares of the correlations between H0 and G0, H1 and G1, ..., HN and GN), and calculate the difference between G and H based on the above calculation formula Correlation between. Then, based on the correlation between G and H, the parameters of the encoding module and the decoding module can be trained and optimized to gradually reduce the loss.
- Embodiment 6 is a diagrammatic representation of Embodiment 6
- FIG. 7 is a schematic diagram of a possible structure for implementing a UE provided by an embodiment of the present invention.
- the UE 500 includes: a sending unit 501, wherein: a sending unit 501 is configured to report N PMIs to a network device; , Each PMI corresponds to a channel; the first PMI contains channel information of the channel corresponding to the second PMI; the first PMI is one of the N PMIs; the second PMI is at least one PMI before the first PMI, where , N is a positive integer greater than 1.
- the foregoing N PMIs correspond to L encoding modules, and any encoding module obtains at least one PMI among the foregoing N PMIs; the encoding of the first encoding module is based on encoding information of the second encoding module; An encoding module is one of the foregoing L encoding modules; the foregoing second encoding module is an encoding module that performs encoding before the first encoding module, and L is a positive integer greater than 1.
- the coding information of the above-mentioned second coding module includes at least one of the following: CSI-RS corresponding to the first channel, the second coding module calculates the intermediate state information of the PMI, the time-domain correlation information of the CSI-RS, the Frequency domain correlation information of CSI-RS; wherein, the above-mentioned first channel is a channel corresponding to the PMI corresponding to the second coding module.
- the PMI bit widths of all or part of the L coding modules are the same, or the PMI bit widths of the L coding modules are all different.
- the sending unit 501 is specifically configured to report N PMIs to the network device after the first coding period starts, and the N PMIs are obtained during the first coding period.
- the UE 500 further includes: an encoding unit 502, where the encoding unit 502 is configured to use a third encoding module to perform channel encoding according to the first configuration parameter to obtain the PMI;
- the coding module is at least one of the L coding modules;
- the above-mentioned first configuration parameter is used to indicate at least one of the following information: the above-mentioned L coding modules, the coding sequence of the above-mentioned L coding modules, the maximum coding time of each coding module, The maximum PMI number M reported by the UE in one coding period, the PMI bit width of the coding module, and the trigger condition for the start of the first coding period.
- the trigger condition for the start of the first coding period includes at least one of the following: the cumulative number of PMIs reported by the UE in the second coding period is greater than the number M, and the UE receives the first indication information from the network device, The UE sends the second indication information to the network equipment, the UE continuously receives multiple ACKs from the network equipment, the UE detects that the beam fails, the UE re-accesses or switches the cell, and the channel state changes; wherein, the first indication information and the first indication information The second indication information is used to instruct the UE to start a new coding period, and the second coding period is the previous coding period of the first coding period.
- the aforementioned change in the channel state includes at least one of the following: a change in the channel environment between the UE and the network device, a change in the quality of service required by the UE, a change in the information of the CSI-RS used by the UE detection, and the CSI-RS used by the network device detection.
- the information of the RS changes, and the UE detects the change of the antenna state.
- the above-mentioned first configuration parameter is: protocol stipulated, or, pre-defined, or configuration information used by the UE in the second coding period, or determined by the UE according to the target information; wherein, the above-mentioned second coding The period is the previous coding period of the first coding period; the above-mentioned target information is used to indicate at least one of the following: the channel environment between the UE and the network device, the quality of service required by the UE, the hardware configuration of the network device, and the hardware configuration of the UE.
- the UE 500 further includes: an obtaining unit 503, where the obtaining unit 503 is configured to obtain third indication information; wherein, the above-mentioned third indication information is used to indicate the first configuration parameter.
- the above-mentioned obtaining unit 503 is specifically configured to obtain the third indication information after the fourth coding module completes the coding; wherein, the above-mentioned fourth coding module is the preceding coding module of the third coding module, and the above-mentioned fourth coding module It is one of the L coding modules.
- the above-mentioned third indication information is also used to indicate to change at least one of the following information in the original configuration parameters of the third encoding module: the PMI bit width of the third encoding module, the maximum number of PMIs reported by the UE in one encoding period .
- the above-mentioned obtaining unit 503 is specifically configured to obtain the third indication information before the start of the first coding period; wherein, the above-mentioned first configuration parameter is a changed original configuration parameter.
- the third indication information is further used to instruct to change at least one of the following in the original configuration parameters of the third coding module: information used to indicate the L coding modules, used to indicate the information in the first coding period Information about the encoding sequence of the encoding module for encoding, the maximum encoding time of the encoding module, the maximum number of PMIs reported by the UE in one encoding period, the PMI bit width of the encoding module, and the trigger condition for the start of the first encoding period; where, The above-mentioned first configuration parameter is the above-mentioned original configuration parameter after modification.
- the above-mentioned channel environment between the UE and the network device is: the UE is obtained by detecting the second channel, or the network device is obtained by detecting the third channel, or the UE’s sensing device is obtained, or the network device is obtained by Obtained from the CSI report sent by the UE; and/or, the above-mentioned target information is obtained by the UE through higher-layer signaling; wherein, the above-mentioned second channel includes at least one of the following: PDCCH, PDSCH, CSI-RS, DMRS, PTRS, synchronization signal , PBCH; the third channel includes at least one of the following: PUCCH, PUSCH, PRACH, SRS, PTRS, DMRS.
- the foregoing target information includes first information, and the foregoing first information is used to indicate a channel environment between the UE and the network device; wherein, the foregoing first information includes at least one of the following: transmit power, noise power, interference power, LOS , NLOS, time delay information, scattering conditions, channel time variability, terminal moving speed, terminal rotation speed, and changing speed of occlusion around the terminal;
- the above-mentioned target information includes second information, and the above-mentioned second information is used to indicate the quality of service required by the UE;
- the above-mentioned second information includes at least one of the following: power, throughput value, delay information, and data packets to be transmitted Size, bit error rate, signal-to-noise ratio or signal-to-interference-to-noise ratio;
- the above-mentioned target information includes third information, and the above-mentioned third information is used to indicate the hardware configuration of the network device; the above-mentioned third information includes at least one of the following: antenna-related parameters of the network device, and processing capability information parameters of the network device;
- the above-mentioned target information includes fourth information, and the above-mentioned fourth information is used to indicate the hardware configuration of the UE; the above-mentioned fourth information includes at least one of the following: antenna-related parameters of the UE, and processing capability information parameters of the UE;
- the antenna-related parameters of the aforementioned network device include at least one of the following: the number of antenna elements, the number of TXRUs, and the number of antenna panels;
- the processing capability information parameter of the network device includes at least one of the following: signal processing capability, data calculation capability, storage capability, CPU, GPU, NPU;
- UE's antenna-related parameters include at least one of the following: the number of antenna elements, the number of TXRUs, and the number of antenna panels;
- the UE's processing capability information parameters include at least one of the following: signal processing capability, data computing capability, and storage capability , CPU, GPU, NPU.
- the PMI obtained will contain the channel information of at least one PMI before the PMI, that is, compared to the traditional technology using only channel information and a fixed codebook
- channel coding is performed in the embodiment of the present invention, the channel information of other channels previously coded by the UE is combined for coding, thereby improving the coding accuracy of the UE, obtaining a higher-precision PMI, and then obtaining accurate CSI, improving Improved communication energy efficiency.
- the modules that must be included in the UE 500 are indicated by a solid line frame, such as the sending unit 501; the modules that may or may not be included in the UE 500 are indicated by a dashed frame, such as the obtaining unit 503.
- the UE 500 provided in the embodiment of the present invention can implement the process shown in the foregoing method embodiment. To avoid repetition, details are not described herein again.
- FIG. 8 is a schematic diagram of a possible structure of a network device provided by an embodiment of the present invention.
- the network device 600 includes: a decoding unit 601, where the decoding unit 601 is specifically used to The N PMIs received by the UE are decoded to obtain channel information of N channels; where each PMI corresponds to channel information of one channel; the first PMI contains channel information of the channel corresponding to the second PMI; the above-mentioned first PMI is the above-mentioned N One of the PMI; the second PMI is at least one PMI before the first PMI, and N is a positive integer greater than 1.
- the foregoing decoding unit 601 is specifically configured to use Y decoding modules to decode N PMIs received from the UE to obtain channel information of N channels; wherein, any decoding module corresponds to the foregoing N PMIs. At least one of the PMIs; Y is a positive integer greater than 1.
- some or all of the above Y decoding modules are different.
- the first decoding module decodes based on the decoding information of the second decoding module and/or the encoding information of the second encoding module; the first decoding module is one of the Y decoding modules.
- the second decoding module is a decoding module before the first decoding module; the second encoding module is an encoding module that performs encoding before the encoding module corresponding to the first decoding module.
- the decoding information of the second decoding module includes at least one of the following: a third PMI corresponding to the second decoding module, the second decoding module decodes intermediate state information of the third PMI, Time domain correlation information of the third PMI, and frequency domain correlation information of the third PMI.
- the PMI bit widths of all or part of the Y decoding modules are the same, or the PMI bit widths of the Y decoding modules are all different.
- the decoding unit 601 is specifically configured to use Y decoding modules to decode the N PMIs received from the UE during the first decoding cycle after the first decoding cycle starts. Obtain channel information of N channels.
- the above-mentioned decoding unit 601 is specifically configured to use a third decoding module to perform PMI decoding according to the first configuration parameter to obtain channel information; wherein, the above-mentioned third decoding module is the Y decoding modules
- the above-mentioned first configuration parameter is used to indicate at least one of the following information: the above-mentioned Y decoding modules, the decoding order of the above-mentioned Y decoding modules, the maximum decoding time of each decoding module, the above-mentioned UE The maximum number of PMIs reported in one decoding cycle, the PMI bit width of the decoding module, and the trigger condition for the start of the first decoding cycle.
- the trigger condition for the start of the first decoding period includes at least one of the following: the cumulative number of PMIs reported by the UE in the second decoding period is greater than the number M, and the UE obtains information from the network
- the device receives the first indication information, the UE sends the second indication information to the network device, the network device continuously sends confirmation information ACK to the UE multiple times, the network device detects that the beam fails, and the network device re-accesses or When the cell is switched, the channel status changes; wherein, the first indication information and the second indication information are used to instruct the network equipment to start a new decoding cycle, and the second decoding cycle is a period of the first decoding cycle. The previous decoding cycle.
- the change in the channel state includes at least one of the following: a change in the channel environment between the UE and the network device, a change in the quality of service required by the network device, a change in information about the CSI-RS used by the UE, and the network
- the device detects a change in the information of the CSI-RS used, and the above-mentioned UE detects a change in the antenna state.
- the above-mentioned first configuration parameter is: specified by the protocol, or, predefined, or, configuration information used by the above-mentioned UE in the second decoding period, or, determined by the above-mentioned network device according to the target information; wherein, The second decoding cycle is the previous decoding cycle of the first decoding cycle; the target information is used to indicate at least one of the following: the channel environment between the UE and the network device, and the quality of service required by the UE , The hardware configuration of the aforementioned network device, and the hardware configuration of the aforementioned UE.
- the network device further includes an obtaining unit 602, where the obtaining unit 602 is configured to obtain the third indication information.
- the third indication information is used to indicate the first configuration parameter.
- the above-mentioned obtaining unit 602 is specifically configured to obtain the third indication information after the fourth decoding module completes the decoding.
- the fourth decoding module is a previous decoding module of the third decoding module, and the fourth decoding module is one of the Y decoding modules.
- the third indication information is also used to instruct to change at least one of the following information in the original configuration parameters of the third decoding module: the PMI bit width of the third decoding module, and the UE is in a decoding cycle The maximum number of PMIs reported within.
- the above-mentioned obtaining unit 602 is specifically configured to obtain the third indication information before the above-mentioned first decoding period starts.
- the above-mentioned first configuration parameter is the above-mentioned original configuration parameter after modification.
- the third indication information is further used to instruct to change at least one of the following in the original configuration parameters of the third decoding module: information used to indicate the Y decoding modules, used to indicate the first translation Information about the decoding order of the decoding modules to be decoded in the code cycle, the maximum decoding time of the decoding module, the maximum number of PMIs reported by the UE in a decoding cycle, the PMI bit width of the decoding module, the above A trigger condition for the start of a decoding cycle.
- the above-mentioned first configuration parameter is the above-mentioned original configuration parameter after modification.
- the channel environment between the UE and the network device is: obtained by the UE by detecting the second channel, or obtained by the network device by detecting the third channel, or obtained by the sensing device of the UE, or
- the above-mentioned network equipment is obtained through the CSI report sent by the UE; and/or, the above-mentioned target information is obtained by the UE through high-level signaling.
- the above-mentioned second channel includes at least one of the following: physical downlink control channel PDCCH, physical downlink shared channel PDSCH, channel state information reference signal CSI-RS, demodulation reference signal DMRS, phase tracking reference signal PTRS, synchronization signal, physical broadcast Channel PBCH;
- the third channel includes at least one of the following: physical uplink control channel PUCCH, physical uplink shared channel PUSCH, physical random access channel PRACH, channel sounding reference signal SRS, PTRS, DMRS.
- the target information includes first information, and the first information is used to indicate a channel environment between the UE and the network device; wherein, the first information includes at least one of the following: transmit power, noise power , Interference power, LOS, NLOS, delay information, scattering conditions, channel time variability, terminal movement speed, terminal rotation speed, and change speed of the occlusion around the terminal;
- the above-mentioned target information includes second information, and the above-mentioned second information is used to indicate the quality of service required by the UE;
- the above-mentioned second information includes at least one of the following: power, throughput value, delay information, and information to be transmitted Data packet size, bit error rate, signal-to-noise ratio or signal-to-interference and noise ratio;
- the above-mentioned target information includes third information, and the above-mentioned third information is used to indicate the hardware configuration of the network device; the above-mentioned third information includes at least one of the following: antenna-related parameters of the above-mentioned network device, and processing of the above-mentioned network device Capability information parameters;
- the above-mentioned target information includes fourth information, and the above-mentioned fourth information is used to indicate the hardware configuration of the UE;
- the above-mentioned fourth information includes at least one of the following: antenna-related parameters of the above-mentioned UE, and processing capability information parameters of the above-mentioned UE ;
- the antenna-related parameters of the network equipment include at least one of the following: the number of antenna elements, the number of transceiver units, the number of TXRUs, and the number of antenna panels;
- the processing capability information parameter of the network equipment includes at least one of the following: signal processing capability, data calculation Capacity, storage capacity, central processing unit CPU, graphics processing unit GPU, neural network processor NPU;
- the antenna-related parameters of the aforementioned UE include at least one of the following, the number of antenna elements, the number of TXRUs, the number of antenna panels;
- the processing capability information of the aforementioned UE Parameters include at least one of the following: signal processing capability, data computing capability, storage capability, CPU, GPU, NPU.
- the network device Compared with the traditional technology using only channel information and a fixed codebook for channel decoding, the network device provided by the embodiment of the present invention decodes the PMI due to the fact that in the N PMI received by the network device Any one of the PMIs will include the channel information of at least one PMI before the any one of the PMIs, so that the network device can obtain more accurate CSI and improve communication energy efficiency.
- the modules that must be included in the network device 600 are indicated by solid line boxes, such as the decoding unit 601; the modules that may or may not be included in the network device 600 are indicated by dashed boxes, such as obtaining Unit 602.
- the network device provided in the embodiment of the present invention can implement the process shown in the foregoing method embodiment, and in order to avoid repetition, details are not described herein again.
- Embodiment 8 is a diagrammatic representation of Embodiment 8
- FIG. 8 is a schematic diagram of a possible structure for implementing a network device provided by an embodiment of the present invention.
- the network device 600 includes: a decoding unit 601, where the decoding unit 601 is specifically used for Decoding modules to decode N PMIs received from the UE to obtain channel information of N channels; wherein any decoding module corresponds to at least one of the above N PMIs; among the above Y decoding modules Part or all of the decoding modules are different; Y is a positive integer greater than 1.
- the first decoding module decodes based on the decoding information of the second decoding module and/or the encoding information of the second encoding module; the first decoding module is one of the Y decoding modules.
- the second decoding module is a decoding module before the first decoding module; the second encoding module is an encoding module that performs encoding before the encoding module corresponding to the first decoding module.
- the decoding information of the second decoding module includes at least one of the following: a third PMI corresponding to the second decoding module, the second decoding module decodes intermediate state information of the third PMI, Time domain correlation information of the third PMI, and frequency domain correlation information of the third PMI.
- the PMI bit widths of all or part of the Y decoding modules are the same, or the PMI bit widths of the Y decoding modules are all different.
- the decoding unit 601 is specifically configured to use Y decoding modules to decode the N PMIs received from the UE during the first decoding cycle after the first decoding cycle starts. Obtain channel information of N channels.
- the above-mentioned decoding unit 601 is specifically configured to use a third decoding module to perform PMI decoding according to the first configuration parameter to obtain channel information; wherein, the above-mentioned third decoding module is the Y decoding modules
- the above-mentioned first configuration parameter is used to indicate at least one of the following information: the above-mentioned Y decoding modules, the decoding order of the above-mentioned Y decoding modules, the maximum decoding time of each decoding module, the above-mentioned UE The maximum number of PMIs reported in one decoding cycle, the PMI bit width of the decoding module, and the trigger condition for the start of the first decoding cycle.
- the trigger condition for the start of the first decoding period includes at least one of the following: the cumulative number of PMIs reported by the UE in the second decoding period is greater than the number M, and the UE obtains information from the network
- the device receives the first indication information, the UE sends the second indication information to the network device, the network device continuously sends confirmation information ACK to the UE multiple times, the network device detects that the beam fails, and the network device re-accesses or When the cell is switched, the channel status changes; wherein, the first indication information and the second indication information are used to instruct the network equipment to start a new decoding cycle, and the second decoding cycle is a period of the first decoding cycle. The previous decoding cycle.
- the change in the channel state includes at least one of the following: a change in the channel environment between the UE and the network device, a change in the quality of service required by the network device, a change in information about the CSI-RS used by the UE, and the network
- the device detects a change in the information of the CSI-RS used, and the above-mentioned UE detects a change in the antenna state.
- the above-mentioned first configuration parameter is: specified by the protocol, or, predefined, or, configuration information used by the above-mentioned UE in the second decoding period, or, determined by the above-mentioned network device according to the target information; wherein, The second decoding cycle is the previous decoding cycle of the first decoding cycle; the target information is used to indicate at least one of the following: the channel environment between the UE and the network device, and the quality of service required by the UE , The hardware configuration of the aforementioned network device, and the hardware configuration of the aforementioned UE.
- the network device further includes an obtaining unit 602, where the obtaining unit 602 is configured to obtain the third indication information.
- the third indication information is used to indicate the first configuration parameter.
- the above-mentioned obtaining unit 602 is specifically configured to obtain the third indication information after the fourth decoding module completes the decoding.
- the fourth decoding module is the previous decoding module of the third decoding module, and the fourth decoding module is one of the Y decoding modules.
- the third indication information is also used to instruct to change at least one of the following information in the original configuration parameters of the third decoding module: the PMI bit width of the third decoding module, and the UE is in a decoding cycle The maximum number of PMIs reported within.
- the above-mentioned obtaining unit 602 is specifically configured to obtain the third indication information before the above-mentioned first decoding period starts.
- the above-mentioned first configuration parameter is the above-mentioned original configuration parameter after modification.
- the third indication information is further used to instruct to change at least one of the following in the original configuration parameters of the third decoding module: information used to indicate the Y decoding modules, used to indicate the first translation Information about the decoding order of the decoding modules to be decoded in the code cycle, the maximum decoding time of the decoding module, the maximum number of PMIs reported by the UE in a decoding cycle, the PMI bit width of the decoding module, the above A trigger condition for the start of a decoding cycle.
- the above-mentioned first configuration parameter is the above-mentioned original configuration parameter after modification.
- the channel environment between the aforementioned UE and the network device is: obtained by the aforementioned UE by detecting the second channel, or obtained by the aforementioned network device by detecting the third channel, or obtained by the sensing device of the aforementioned UE, Or, the above-mentioned network equipment is obtained through a CSI report sent by the UE; and/or, the above-mentioned target information is obtained by the UE through high-level signaling.
- the above-mentioned second channel includes at least one of the following: physical downlink control channel PDCCH, physical downlink shared channel PDSCH, channel state information reference signal CSI-RS, demodulation reference signal DMRS, phase tracking reference signal PTRS, synchronization signal, physical broadcast Channel PBCH;
- the third channel includes at least one of the following: physical uplink control channel PUCCH, physical uplink shared channel PUSCH, physical random access channel PRACH, channel sounding reference signal SRS, PTRS, DMRS.
- the target information includes first information, and the first information is used to indicate a channel environment between the UE and the network device; wherein, the first information includes at least one of the following: transmit power, noise power , Interference power, LOS, NLOS, delay information, scattering conditions, channel time variability, terminal movement speed, terminal rotation speed, and change speed of the occlusion around the terminal;
- the above-mentioned target information includes second information, and the above-mentioned second information is used to indicate the quality of service required by the UE;
- the above-mentioned second information includes at least one of the following: power, throughput value, delay information, and information to be transmitted Data packet size, bit error rate, signal-to-noise ratio or signal-to-interference and noise ratio;
- the above-mentioned target information includes third information, and the above-mentioned third information is used to indicate the hardware configuration of the network device; the above-mentioned third information includes at least one of the following: antenna-related parameters of the above-mentioned network device, and processing of the above-mentioned network device Capability information parameters;
- the above-mentioned target information includes fourth information, and the above-mentioned fourth information is used to indicate the hardware configuration of the UE;
- the above-mentioned fourth information includes at least one of the following: antenna-related parameters of the above-mentioned UE, and processing capability information parameters of the above-mentioned UE ;
- the antenna-related parameters of the network equipment include at least one of the following: the number of antenna elements, the number of transceiver units, the number of TXRUs, and the number of antenna panels;
- the processing capability information parameter of the network equipment includes at least one of the following: signal processing capability, data calculation Capacity, storage capacity, central processing unit CPU, graphics processor GPU, neural network processor NPU;
- the antenna-related parameters of the aforementioned UE include at least one of the following, the number of antenna elements, the number of TXRUs, and the number of antenna panels;
- the processing capability information of the aforementioned UE Parameters include at least one of the following: signal processing capability, data computing capability, storage capability, CPU, GPU, NPU.
- the network device uses Y decoding modules to decode N PMIs received from UE to obtain channel information of N channels, and each decoding module corresponds to at least one PMI. Some or all of the decoding modules in the Y decoding modules are different, that is, the network device can flexibly select a suitable decoding module to decode PMI according to the current application scenario, compared to the traditional PMI decoding process using a fixed decoding module Decoding saves the resource overhead of network equipment and improves communication energy efficiency.
- the modules that must be included in the network device 600 are indicated by solid line boxes, such as the decoding unit 601; the modules that may or may not be included in the network device 600 are indicated by dashed boxes, such as obtaining Unit 602.
- the network device provided in the embodiment of the present invention can implement the process shown in the foregoing method embodiment, and in order to avoid repetition, details are not described herein again.
- FIG. 9 is a schematic diagram of the hardware structure of a terminal device that implements various embodiments of the present invention.
- the terminal device 100 includes but is not limited to: a radio frequency unit 101, a network module 102, an audio output unit 103, and an input The unit 104, the sensor 105, the display unit 106, the user input unit 107, the interface unit 108, the memory 109, the processor 110, and the power supply 111 and other components.
- the terminal device 100 may include more or less components than those shown in the figure, or combine certain components, or Different component arrangements.
- the terminal device 100 includes, but is not limited to, a mobile phone, a tablet computer, a notebook computer, a palmtop computer, a vehicle-mounted terminal device, a wearable device, and a pedometer.
- the radio frequency unit 101 is used to report N PMIs to the network device; where each PMI corresponds to a channel; the first PMI contains channel information of the channel corresponding to the second PMI; the first PMI is one of the N PMIs ; The second PMI is at least one PMI before the first PMI, where N is a positive integer greater than 1.
- the PMI obtained will contain the channel information of at least one PMI before the PMI, that is, compared to the traditional technology, only the channel information and fixed channel information are used.
- the codebook performs channel coding.
- the embodiment of the present invention combines the channel information of other channels previously coded by the terminal device to perform coding, thereby improving the coding accuracy of the terminal device, obtaining a higher-precision PMI, and then obtaining Accurate CSI improves communication energy efficiency.
- the radio frequency unit 101 can be used for receiving and sending signals in the process of sending and receiving information or talking. Specifically, the downlink data from the base station is received and processed by the processor 110; in addition, Uplink data is sent to the base station.
- the radio frequency unit 101 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like.
- the radio frequency unit 101 can also communicate with the network and other devices through a wireless communication system.
- the terminal device 100 provides users with wireless broadband Internet access through the network module 102, such as helping users to send and receive emails, browse web pages, and access streaming media.
- the audio output unit 103 can convert the audio data received by the radio frequency unit 101 or the network module 102 or stored in the memory 109 into an audio signal and output it as sound. Moreover, the audio output unit 103 may also provide audio output related to a specific function performed by the terminal device 100 (for example, call signal reception sound, message reception sound, etc.).
- the audio output unit 103 includes a speaker, a buzzer, a receiver, and the like.
- the input unit 104 is used to receive audio or video signals.
- the input unit 104 may include a graphics processing unit (GPU) 1041 and a microphone 1042, and the graphics processor 1041 is configured to monitor images of still pictures or videos obtained by an image capture device (such as a camera) in a video capture mode or an image capture mode.
- the data is processed.
- the processed image frame can be displayed on the display unit 106.
- the image frame processed by the graphics processor 1041 may be stored in the memory 109 (or other storage medium) or sent via the radio frequency unit 101 or the network module 102.
- the microphone 1042 can receive sound, and can process such sound into audio data.
- the processed audio data can be converted into a format that can be sent to a mobile communication base station via the radio frequency unit 101 for output in the case of a telephone call mode.
- the terminal device 100 also includes at least one sensor 105, such as a light sensor, a motion sensor, and other sensors.
- the light sensor includes an ambient light sensor and a proximity sensor.
- the ambient light sensor can adjust the brightness of the display panel 1061 according to the brightness of the ambient light.
- the proximity sensor can close the display panel 1061 and the display panel 1061 when the terminal device 100 is moved to the ear. / Or backlight.
- the accelerometer sensor can detect the magnitude of acceleration in various directions (usually three-axis), and can detect the magnitude and direction of gravity when stationary, and can be used to identify the posture of the terminal device (such as horizontal and vertical screen switching, related games) , Magnetometer attitude calibration), vibration recognition related functions (such as pedometer, percussion), etc.; sensor 105 can also include fingerprint sensors, pressure sensors, iris sensors, molecular sensors, gyroscopes, barometers, hygrometers, thermometers, Infrared sensors, etc., will not be repeated here.
- the display unit 106 is used to display information input by the user or information provided to the user.
- the display unit 106 may include a display panel 1061, and the display panel 1061 may be configured in the form of a liquid crystal display (LCD), an organic light-emitting diode (OLED), etc.
- LCD liquid crystal display
- OLED organic light-emitting diode
- the user input unit 107 may be used to receive input numeric or character information, and generate key signal input related to user settings and function control of the terminal device 100.
- the user input unit 107 includes a touch panel 1071 and other input devices 1072.
- the touch panel 1071 also called a touch screen, can collect user touch operations on or near it (for example, the user uses any suitable objects or accessories such as fingers, stylus, etc.) on the touch panel 1071 or near the touch panel 1071. operating).
- the touch panel 1071 may include two parts: a touch detection device and a touch controller.
- the touch detection device detects the user's touch position, detects the signal brought by the touch operation, and transmits the signal to the touch controller; the touch controller receives the touch information from the touch detection device, converts it into contact coordinates, and then sends it To the processor 110, the command sent by the processor 110 is received and executed.
- the touch panel 1071 can be realized by various types such as resistive, capacitive, infrared, and surface acoustic wave.
- the user input unit 107 may also include other input devices 1072.
- other input devices 1072 may include, but are not limited to, a physical keyboard, function keys (such as volume control buttons, switch buttons, etc.), trackball, mouse, and joystick, which will not be repeated here.
- the touch panel 1071 can be overlaid on the display panel 1061.
- the touch panel 1071 detects a touch operation on or near it, it transmits it to the processor 110 to determine the type of the touch event, and then the processor 110 determines the type of the touch event according to the touch.
- the type of event provides corresponding visual output on the display panel 1061.
- the touch panel 1071 and the display panel 1061 are used as two independent components to implement the input and output functions of the terminal device 100, in some embodiments, the touch panel 1071 and the display panel 1061 can be combined.
- the input and output functions of the terminal device 100 are realized by integration, which is not specifically limited here.
- the interface unit 108 is an interface for connecting an external device with the terminal device 100.
- the external device may include a wired or wireless headset port, an external power source (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device with an identification module, audio input/output (I/O) port, video I/O port, headphone port, etc.
- the interface unit 108 can be used to receive input from an external device (for example, data information, power, etc.) and transmit the received input to one or more elements in the terminal device 100 or can be used to connect to the terminal device 100 and external devices. Transfer data between devices.
- the memory 109 can be used to store software programs and various data.
- the memory 109 may mainly include a program storage area and a data storage area.
- the program storage area may store an operating system, an application program required by at least one function (such as a sound playback function, an image playback function, etc.), etc.; Data created by the use of mobile phones (such as audio data, phone book, etc.), etc.
- the memory 109 may include a high-speed random access memory, and may also include a non-volatile memory, such as at least one magnetic disk storage device, a flash memory device, or other volatile solid-state storage devices.
- the processor 110 is the control center of the terminal device 100. It uses various interfaces and lines to connect the various parts of the entire terminal device 100, runs or executes software programs and/or modules stored in the memory 109, and calls and stores them in the memory 109.
- the data of the terminal device 100 performs various functions and processing data, so as to monitor the terminal device 100 as a whole.
- the processor 110 may include one or more processing units; optionally, the processor 110 may integrate an application processor and a modem processor, where the application processor mainly processes the operating system, user interface, and application programs, etc.
- the adjustment processor mainly deals with wireless communication. It can be understood that the foregoing modem processor may not be integrated into the processor 110.
- the terminal device 100 may also include a power source 111 (such as a battery) for supplying power to various components.
- a power source 111 such as a battery
- the power source 111 may be logically connected to the processor 110 through a power management system, so as to manage charging, discharging, and power consumption through the power management system. Management and other functions.
- the terminal device 100 includes some functional modules not shown, which will not be repeated here.
- the network device 800 includes: a processor 801, a transceiver 802, a memory 803, a user interface 804, and a bus interface.
- the processor 801 is configured to decode N PMIs received from the UE to obtain channel information of N channels; wherein, each PMI corresponds to channel information of one channel; the first PMI contains the information of the channel corresponding to the second PMI. Channel information; the first PMI is one of the N PMIs; the second PMI is at least one PMI before the first PMI, and N is a positive integer greater than 1.
- the network device Compared with the traditional technology using only channel information and a fixed codebook for channel decoding, the network device provided by the embodiment of the present invention decodes the PMI due to the fact that in the N PMI received by the network device Any one of the PMIs will include the channel information of at least one PMI before the any one of the PMIs, so that the network device can obtain more accurate CSI and improve communication energy efficiency.
- the processor 801 is configured to use Y decoding modules to decode the N PMIs received from the UE to obtain channel information of N channels; wherein any decoding module corresponds to at least one of the above N PMIs One PMI; some or all of the above Y decoding modules are different; Y is a positive integer greater than 1.
- the network device uses Y decoding modules to decode N PMIs received from UE to obtain channel information of N channels, and each decoding module corresponds to at least one PMI. Some or all of the decoding modules in the Y decoding modules are different, that is, the network device can flexibly select a suitable decoding module to decode PMI according to the current application scenario, compared to the traditional PMI decoding process using a fixed decoding module Decoding saves the resource overhead of network equipment and improves communication energy efficiency.
- the bus architecture may include any number of interconnected buses and bridges. Specifically, one or more processors represented by the processor 801 and various circuits of the memory represented by the memory 803 are linked together. .
- the bus architecture can also link various other circuits such as peripheral devices, voltage regulators, power management circuits, etc., which are all known in the art, and therefore, will not be further described herein.
- the bus interface provides the interface.
- the transceiver 802 may be a plurality of elements, including a transmitter and a receiver, and provide a unit for communicating with various other devices on a transmission medium.
- the user interface 804 may also be an interface that can externally and internally connect the required equipment.
- the connected equipment includes but not limited to a keypad, a display, a speaker, a microphone, a joystick, and the like.
- the processor 801 is responsible for managing the bus architecture and general processing, and the memory 803 can store data used by the processor 801 when performing operations.
- the network device 800 also includes some functional modules that are not shown, which will not be repeated here.
- Embodiment 11 is a diagrammatic representation of Embodiment 11:
- an embodiment of the present invention also provides a terminal device, including a processor, a memory, and a computer program stored in the memory and running on the processor.
- a terminal device including a processor, a memory, and a computer program stored in the memory and running on the processor.
- the computer program shown in the foregoing embodiment is implemented.
- the process of the encoding method can achieve the same technical effect. In order to avoid repetition, it will not be repeated here.
- an embodiment of the present invention further provides a network device, including a processor, a memory, and a computer program stored in the memory and running on the processor.
- a network device including a processor, a memory, and a computer program stored in the memory and running on the processor.
- the computer program is executed by the processor, the implementation shown in the foregoing embodiment is implemented.
- the process of the decoding method can achieve the same technical effect. In order to avoid repetition, it will not be repeated here.
- An embodiment of the present invention also provides a computer-readable storage medium, and a computer program is stored on the computer-readable storage medium.
- the computer program When the computer program is executed by a processor, it implements multiple encoding methods and/or decoding methods in the foregoing embodiments. The process, and can achieve the same technical effect, in order to avoid repetition, I will not repeat it here.
- the aforementioned computer-readable storage medium includes read-only memory (Read-Only Memory, ROM for short), random access memory (Random Access Memory, RAM for short), magnetic disks, or optical disks.
- the technical solution of the present invention can be embodied in the form of a software product in essence or the part that contributes to the related technology.
- the computer software product is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk). ) Includes several instructions to make a terminal device (which can be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) execute the method described in the multiple embodiments of the present invention.
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Abstract
Description
Claims (42)
- 一种编码方法,应用于用户设备UE,其特征在于,包括:向网络设备上报N个预编码矩阵指示PMI;其中,每个PMI对应一个信道;第一PMI包含第二PMI对应信道的信道信息;所述第一PMI为所述N个PMI中的一个;所述第二PMI为所述第一PMI之前的至少一个PMI,其中,N为大于1的正整数。
- 根据权利要求1所述的方法,其中,所述N个PMI对应L个编码模块,任一编码模块得到所述N个PMI中的至少一个PMI;第一编码模块的编码是基于第二编码模块的编码信息进行编码的;所述第一编码模块为所述L个编码模块中的一个;所述第二编码模块为所述第一编码模块之前进行编码的编码模块,L为大于1的正整数。
- 根据权利要求2所述的方法,其中,所述第二编码模块的编码信息包括以下至少一项:第一信道对应的信道状态信息参考信号CSI-RS,所述第二编码模块计算PMI的中间状态信息,所述CSI-RS的时域相关性信息,所述CSI-RS的频域相关性信息;其中,所述第一信道为所述第二编码模块对应PMI对应的信道。
- 根据权利要求2所述的方法,其中,所述L个编码模块中的部分或全部编码模块不同。
- 根据权利要求4所述的方法,其中,所述L个编码模块中的全部或部分编码模块的PMI位宽相同,或者,所述L个编码模块的PMI位宽均不相同。
- 根据权利要求2所述的方法,其中,所述向网络设备上报N个PMI,包括:在第一编码周期开始后,向所述网络设备上报N个PMI,所述N个PMI是在所述第一编码周期内得到的。
- 根据权利要求6所述的方法,其中,所述方法还包括:根据第一配置参数,采用第三编码模块进行信道编码,得到PMI;其中,所述第三编码模块为所述L个编码模块中的至少一个;所述第一配置参数用于指示以下至少一项信息:所述L个编码模块,所述L个编码模块的编码顺序,每个编码模块的最大编码时间,所述UE在一个编码周期内上报的最大PMI数量M,所述编码模块的PMI位宽,所述第一编码周期开始的触发条件。
- 根据权利要求7所述的方法,其中,所述第一编码周期开始的触发条件;其中,所述触发条件包括以下至少一项:第二编码周期内所述UE累计上报的PMI数量大于所述数量M,所述UE从所述网络设备接收第一指示信息,所述UE向所述网络设备发送第二指示信息,所述UE从所述网络设备连续接收到多次确认信息ACK,所述UE监测到波束失败,所述UE重新接入或切换小区,信道状态发生变化;其中,所述第一指示信息和所述第二指示信息用于指示所述UE开始新的编码周 期,所述第二编码周期为所述第一编码周期的前一编码周期。
- 根据权利要求8所述的方法,其中,所述信道状态发生变化包括以下至少一项:所述UE与所述网络设备间的信道环境变化,所述UE需要的服务质量变化,所述UE检测使用的CSI-RS的信息变化,所述网络设备检测使用的CSI-RS的信息变化,所述UE检测到天线状态变化。
- 根据权利要求7所述的方法,其中,所述第一配置参数为:协议规定的,或,预定义的,或,所述UE在第二编码周期使用的配置信息,或,所述UE根据目标信息确定出的;其中,所述第二编码周期为所述第一编码周期的前一编码周期;所述目标信息用于指示以下至少一项:所述UE与所述网络设备间的信道环境,所述UE需要的服务质量,所述网络设备的硬件配置,所述UE的硬件配置。
- 根据权利要求7所述的方法,其中,所述根据第一配置参数,采用第三编码模块进行信道编码,得到PMI之前,所述方法还包括:获取第三指示信息;其中,所述第三指示信息用于指示所述第一配置参数。
- 根据权利要求11所述的方法,其中,所述获取第三指示信息,包括:在第四编码模块完成编码后,获取第三指示信息;其中,所述第四编码模块为所述第三编码模块的前一编码模块,所述第四编码模块为所述L个编码模块中的一个编码模块。
- 根据权利要求12所述的方法,其中,所述第三指示信息还用于指示变更所述第三编码模块的原始配置参数中的以下至少一项信息:所述第三编码模块的PMI位宽,所述UE在一个编码周期内上报的最大PMI数量。
- 根据权利要求11所述的方法,其中,所述获取第三指示信息,包括:在所述第一编码周期开始之前,获取第三指示信息;其中,所述第一配置参数为变更后的所述原始配置参数。
- 根据权利要求14所述的方法,其中,所述第三指示信息还用于指示变更所述第三编码模块的原始配置参数中的以下至少一项:用于指示所述L个编码模块的信息,用于指示所述第一编码周期内进行编码的编码模块的编码顺序的信息,编码模块的最大编码时间,所述UE在一个编码周期内上报的最大PMI数量,编码模块的PMI位宽,所述第一编码周期开始的触发条件;其中,所述第一配置参数为变更后的所述原始配置参数。
- 根据权利要求10所述的方法,其中,所述UE与所述网络设备间的信道环境是:所述UE通过检测第二信道得到的,或者,所述网络设备通过检测第三信道得到的,或者,所述UE的感知设备得到的,或者,所述网络设备通过所述UE发送的CSI报告得到的;和/或,所述目标信息是所述UE通过高层信令得到的;其中,所述第二信道包括以下至少一项:物理下行控制信道PDCCH,物理下行共 享信道PDSCH,信道状态信息参考信号CSI-RS,解调参考信号DMRS,相位跟踪参考信号PTRS,同步信号,物理广播信道PBCH;所述第三信道包括以下至少一项:物理上行链路控制信道PUCCH,物理上行共享信道PUSCH,物理随机接入信道PRACH,信道探测参考信号SRS,PTRS,DMRS。
- 根据权利要求10或16所述的方法,其中,所述目标信息包括第一信息,所述第一信息用于指示所述UE与所述网络设备间的信道环境;其中,所述第一信息包括以下至少一项:发送功率,噪声功率,干扰功率,无线信号的视线传输LOS,无线信号的非视线传输NLOS,时延信息,散射情况,信道时变性,终端移动速度,终端旋转速度,终端周围遮挡变化速度;和/或,所述目标信息包括第二信息,所述第二信息用于指示所述UE需要的服务质量;所述第二信息包括以下至少一项:电量,吞吐量值,时延信息,需传输的数据包大小,误码率,信噪比或信干噪比;和/或,所述目标信息包括第三信息,所述第三信息用于指示所述网络设备的硬件配置;所述第三信息包括以下至少一项:所述网络设备的天线相关参数,所述网络设备的处理能力信息参数;和/或,所述目标信息包括第四信息,所述第四信息用于指示所述UE的硬件配置;所述第四信息包括以下至少一项:所述UE的天线相关参数,所述UE的处理能力信息参数;其中,所述网络设备的天线相关参数包含以下至少一项,天线元数目,收发机单元数目TXRU数目,天线面板数目;所述网络设备的处理能力信息参数包括以下至少一项:信号处理能力,数据计算能力,存储能力,中央处理器CPU,图形处理器GPU,神经网络处理器NPU;所述UE的天线相关参数包含以下至少一项,天线元数目,TXRU数目,天线面板数目;所述UE的处理能力信息参数包括以下至少一项:信号处理能力,数据计算能力,存储能力、CPU,GPU,NPU。
- 一种译码方法,应用于网络设备,其特片在于,包括:对从用户设备UE接收的N个预编码矩阵指示PMI进行译码,得到N个信道的信道信息;其中,每个PMI对应一个信道的信道信息;第一PMI包含第二PMI对应信道的信道信息;所述第一PMI为所述N个PMI中的一个;所述第二PMI为所述第一PMI之前的至少一个PMI,N为大于1的正整数。
- 根据权利要求18所述的方法,其特征在于,所述对从UE接收的N个PMI 进行译码,得到N个信道的信道信息,包括:采用Y个译码模块,对从UE接收的N个PMI进行译码,得到N个信道的信道信息;其中,任一译码模块对应所述N个PMI中的至少一个PMI;Y为大于1的正整数。
- 根据权利要求19所述的方法,其中,所述Y个译码模块中的部分或全部译码模块不同。
- 根据权利要求19所述的方法,其中,第一译码模块是基于第二译码模块的译码信息和/或第二编码模块的编码信息进行译码的;所述第一译码模块为所述Y个译码模块中的一个;所述第二译码模块为所述第一译码模块之前的译码模块;所述第二编码模块为所述第一译码模块对应编码模块之前进行编码的编码模块。
- 根据权利要求21所述的方法,其中,所述第二译码模块的译码信息包括以下至少一项:所述第二译码模块对应的第三PMI,所述第二译码模块译码所述第三PMI的中间状态信息,所述第三PMI的时域相关性信息,所述第三PMI的频域相关性信息。
- 根据权利要求18所述的方法,其中,所述Y个译码模块中的全部或部分译码模块的PMI位宽相同,或者,所述Y个译码模块的PMI位宽均不相同。
- 根据权利要求18至23中的任一项所述的方法,其中,所述采用Y个译码模块,对从UE接收的N个PMI进行译码,得到N个信道的信道信息,包括:在第一译码周期开始后,在所述第一译码周期内,采用Y个译码模块,对从UE接收的N个PMI进行译码,得到N个信道的信道信息。
- 根据权利要求24所述的方法,其中,所述采用Y个译码模块,对从UE接收的N个PMI进行译码,得到N个信道的信道信息,包括:根据第一配置参数,采用第三译码模块进行PMI译码,得到信道信息;其中,所述第三译码模块为所述Y个译码模块中的至少一个;所述第一配置参数用于指示以下至少一项信息:所述Y个译码模块,所述Y个译码模块的译码顺序,每个译码模块的最大译码时间,所述UE在一个译码周期内上报的最大PMI数量,所述译码模块的PMI位宽,所述第一译码周期开始的触发条件。
- 根据权利要求25所述的方法,其中,所述第一译码周期开始的触发条件;所述触发条件包括以下至少一项:第二译码周期内所述UE累计上报的PMI数量大于所述数量M,所述UE从所述网络设备接收第一指示信息,所述UE向所述网络设备发送第二指示信息,所述网络设备向所述UE连续发送多次确认信息ACK,所述网络设备监测到波束失败,所述网络设备重新接入或切换小区,信道状态发生变化;其中,所述第一指示信息和所述第二指示信息用于指示所述网络设备开始新的译码周期,所述第二译码周期为所述第一译码周期的前一译码周期。
- 根据权利要求26所述的方法,其中,所述信道状态发生变化包括以下至少一项:所述UE与所述网络设备间的信道环境变化,所述网络设备需要的服务质量变化, 所述UE检测使用的CSI-RS的信息变化,所述网络设备检测使用的CSI-RS的信息变化,所述UE检测到天线状态变化。
- 根据权利要求25所述的方法,其中,所述第一配置参数为:协议规定的,或,预定义的,或,所述UE在第二译码周期使用的配置信息,或,所述网络设备根据目标信息确定出的;其中,所述第二译码周期为所述第一译码周期的前一译码周期;所述目标信息用于指示以下至少一项:所述UE与所述网络设备间的信道环境,所述UE需要的服务质量,所述网络设备的硬件配置,所述UE的硬件配置。
- 根据权利要求25所述的方法,其中,所述方法还包括:获取第三指示信息;其中,所述第三指示信息用于指示所述第一配置参数。
- 根据权利要求29所述的方法,其中,所述获取第三指示信息,包括:在第四译码模块完成译码后,获取第三指示信息;其中,所述第四译码模块为所述第三译码模块的前一译码模块,所述第四译码模块为所述Y个译码模块中的一个译码模块。
- 根据权利要求30所述的方法,其中,所述第三指示信息还用于指示变更所述第三译码模块的原始配置参数中的以下至少一项信息:所述第三译码模块的PMI位宽,所述UE在一个译码周期内上报的最大PMI数量。
- 根据权利要求29所述的方法,其中,所述获取第三指示信息,包括:在所述第一译码周期开始之前,获取第三指示信息;其中,所述第一配置参数为变更后的所述原始配置参数。
- 根据权利要求32所述的方法,其中,所述第三指示信息还用于指示变更所述第三译码模块的原始配置参数中的以下至少一项:用于指示所述Y个译码模块的信息,用于指示所述第一译码周期内进行译码的译码模块的译码顺序的信息,译码模块的最大译码时间,所述UE在一个译码周期内上报的最大PMI数量,译码模块的PMI位宽,所述第一译码周期开始的触发条件;其中,所述第一配置参数为变更后的所述原始配置参数。
- 根据权利要求28所述的方法,其中,所述UE与所述网络设备间的信道环境是:所述UE通过检测第二信道得到的,或者,所述网络设备通过检测第三信道得到的,或者,所述UE的感知设备得到的,或者,所述网络设备通过所述UE发送的CSI报告得到的;和/或,所述目标信息是所述UE通过高层信令得到的;其中,所述第二信道包括以下至少一项:物理下行控制信道PDCCH,物理下行共享信道PDSCH,信道状态信息参考信号CSI-RS,解调参考信号DMRS,相位跟踪参考信号PTRS,同步信号,物理广播信道PBCH;所述第三信道包括以下至少一项:物理上行链路控制信道PUCCH,物理上行共享信道PUSCH,物理随机接入信道PRACH,信道探测参考信号SRS,PTRS,DMRS。
- 根据权利要求28或34所述的方法,其中,所述目标信息包括第一信息,所述第一信息用于指示所述UE与所述网络设备间的信道环境;其中,所述第一信息包括以下至少一项:发送功率,噪声功率,干扰功率,LOS,NLOS,时延信息,散射情况,信道时变性,终端移动速度,终端旋转速度,终端周围遮挡变化速度;和/或,所述目标信息包括第二信息,所述第二信息用于指示所述UE需要的服务质量;所述第二信息包括以下至少一项:电量,吞吐量值,时延信息,需传输的数据包大小,误码率,信噪比或信干噪比;和/或,所述目标信息包括第三信息,所述第三信息用于指示所述网络设备的硬件配置;所述第三信息包括以下至少一项:所述网络设备的天线相关参数,所述网络设备的处理能力信息参数;和/或,所述目标信息包括第四信息,所述第四信息用于指示所述UE的硬件配置;所述第四信息包括以下至少一项:所述UE的天线相关参数,所述UE的处理能力信息参数;其中,所述网络设备的天线相关参数包含以下至少一项,天线元数目,收发机单元数目TXRU数目,天线面板数目;所述网络设备的处理能力信息参数包括以下至少一项:信号处理能力,数据计算能力,存储能力,中央处理器CPU,图形处理器GPU,神经网络处理器NPU;所述UE的天线相关参数包含以下至少一项,天线元数目,TXRU数目,天线面板数目;所述UE的处理能力信息参数包括以下至少一项:信号处理能力,数据计算能力,存储能力、CPU,GPU,NPU。
- 一种译码方法,应用于网络设备,其特征在于,该方法包括:采用Y个译码模块,对从用户设备UE接收的N个PMI进行译码,得到N个信道的信道信息;其中,任一译码模块对应所述N个PMI中的至少一个PMI;所述Y个译码模块中的部分或全部译码模块不同;N、Y为大于1的正整数。
- 一种用户设备UE,其特征在于,包括:发送单元,用于向网络设备上报N个预编码矩阵指示PMI;其中,每个PMI对应一个信道;第一PMI包含第二PMI对应信道的信道信息;所述第一PMI为所述N个PMI中的一个;所述第二PMI为所述第一PMI之前的至少一个PMI,其中,N为大于1的正整数。
- 一种网络设备,其特征在于,包括:译码单元,用于对从用户设备UE接收的N个预编码矩阵指示PMI进行译码,得到N个信道的信道信息;其中,每个PMI对应一个信道的信道信息;第一PMI包含第二PMI对应信道的信道信息;所述第一PMI为所述N个PMI中的一个;所述第二PMI为所述第一PMI之前的至少一个PMI,N为大于1的正整数。
- 一种网络设备,其特征在于,包括:译码单元,用于采用Y个译码模块,对从用户设备UE接收的N个PMI进行译码,得到N个信道的信道信息;其中,任一译码模块对应所述N个PMI中的至少一个PMI;所述Y个译码模块中的部分或全部译码模块不同;N、Y为大于1的正整数。
- 一种用户设备UE,其特征在于,包括处理器、存储器及存储在所述存储器上并可在所述处理器上运行的计算机程序,所述计算机程序被所述处理器执行时实现如权利要求1至17中任一项所述的编码方法的步骤。
- 一种网络设备,其特征在于,包括处理器、存储器及存储在所述存储器上并可在所述处理器上运行的计算机程序,所述计算机程序被所述处理器执行时实现如权利要求18至35中任一项或者权利要求36所述的译码方法的步骤。
- 一种计算机可读存储介质,其特征在于,所述计算机可读存储介质上存储计算机程序,所述计算机程序被处理器执行时实现:如权利要求1至17中任一项所述的编码方法的步骤,或者,如权利要求18至35中任一项或者权利要求36所述的译码方法的步骤。
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