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CN-122027399-A - Reference signal processing method, apparatus, device, storage medium and program product

CN122027399ACN 122027399 ACN122027399 ACN 122027399ACN-122027399-A

Abstract

The present application relates to a reference signal processing method, apparatus, device, storage medium and program product. According to the method, the CSI-RS parameters of the cell are read from the buffer memory, the CSI-RS parameters are split into multiple sets of CSI-RS parameters, multiple signal mapping processing units are respectively called according to the multiple sets of CSI-RS parameters to process multiple sets of reference signals in parallel, and target reference signals are output, wherein each set of reference signals comprises multiple types of CSI-RS reference signals. According to the method, the plurality of signal mapping processing units are arranged, so that a method for processing the CSI-RS in a multi-set parallel manner and adaptive to bandwidth configuration of the multi-type reference signals is realized, and the efficiency of processing the multi-type CSI-RS signals by the access network equipment can be greatly improved.

Inventors

  • YAN NING

Assignees

  • 大唐移动通信设备有限公司

Dates

Publication Date
20260512
Application Date
20241111

Claims (15)

  1. 1. A method for processing a reference signal, applied to an access network device, the method comprising: reading the CSI-RS parameters of a cell from the cache, and splitting the CSI-RS parameters into multiple sets of CSI-RS parameters; And respectively calling a plurality of signal mapping processing units according to the plurality of sets of CSI-RS parameters to process the plurality of sets of reference signals in parallel and output a target reference signal, wherein each set of reference signals comprises a plurality of types of CSI-RS reference signals.
  2. 2. The method of claim 1, wherein the calling the plurality of signal mapping processing units according to the plurality of sets of CSI-RS parameters respectively to perform parallel processing on the plurality of sets of reference signals, and outputting the target reference signal comprises: respectively calling a plurality of signal mapping processing units according to the plurality of sets of CSI-RS parameters to perform parallel mapping processing on the plurality of sets of reference signals, and obtaining mapping processing results output by each signal mapping processing unit; And combining all the mapping processing results output by the signal mapping processing units to obtain a combined mapping processing result, and converting the combined mapping processing result into the target reference signal to output.
  3. 3. The method according to claim 2, wherein the respectively calling the plurality of signal mapping processing units according to the plurality of sets of CSI-RS parameters to perform parallel mapping processing on the plurality of sets of reference signals to obtain a mapping processing result output by each signal mapping processing unit, includes: Performing symbol space configuration on the CSI-RS reference signals according to configuration information of the CSI-RS protocol parameters, a CDM multiplexing type, time domain starting positions of CDM groups and the number of the CDM groups aiming at each set of CSI-RS parameters and corresponding signal mapping processing units to obtain space symbols of symbols corresponding to the CSI-RS reference signals; performing RE occupation configuration on the CSI-RS reference signals according to the configuration information of the CSI-RS protocol parameters and the values of key parameters in each set of CSI-RS parameters to obtain occupation symbols of the corresponding RE of the CSI-RS reference signals; and performing mapping processing according to the placeholders of the symbols and the placeholders of the RE to generate a mapping processing result output by the signal mapping processing unit.
  4. 4. The method of claim 3, wherein the symbol placeholder configuration for the CSI-RS reference signal according to the configuration information of the CSI-RS protocol parameters, the CDM multiplexing type, the time domain starting position of the CDM group, and the number of CDM groups, to obtain the symbol placeholder for the CSI-RS reference signal, comprises: Determining a target symbol which can be mapped by the CSI-RS reference signals of all types according to the CDM multiplexing type, wherein the target symbol comprises at least one symbol in four symbols; And determining placeholders of symbols of the CSI-RS reference signals of all types according to the configuration information of the CSI-RS protocol parameters, the CDM multiplexing type, the time domain starting positions of the CDM groups and the number of the CDM groups.
  5. 5. The method of claim 3, wherein performing RE placeholder configuration on the CSI-RS reference signal according to the configuration information of the CSI-RS protocol parameter and the value of the key parameter in each set of CSI-RS parameter to obtain a placeholder of the corresponding RE of the CSI-RS reference signal, comprises: determining configuration information corresponding to the CSI-RS reference signal according to the configuration information of the CSI-RS protocol parameter; And according to the configuration information corresponding to the CSI-RS reference signal, combining the value of ROW in the key parameter, the value of the frequency domain density of the CSI-RS and the value of the frequency domain position, carrying out RE occupation configuration on the CSI-RS reference signal to obtain an RE occupation symbol corresponding to the CSI-RS reference signal.
  6. 6. The method of claim 3, wherein the mapping according to the placeholders of the symbols and the placeholders of the REs to generate the mapping result output by the signal mapping unit comprises: Determining an index value of a reference signal corresponding to a CDM group according to the placeholder of the symbol and the sequence number of the CDM group corresponding to the symbol; And generating a mapping processing result output by the signal mapping processing unit according to the index value of the CDM group, the placeholder of the symbol, the placeholder of the RE, the CDM multiplexing type and the power index value corresponding to the symbol.
  7. 7. The method according to any one of claims 2-6, wherein the combining the mapping results output by all signal mapping processing units to obtain a combined mapping result, and converting the combined mapping result into the target reference signal output includes: combining the symbol occupation information in all mapping processing results, and outputting combined symbol information of all symbols, wherein the symbol occupation information comprises the validity of the symbols and the storage base address of the symbols; Combining the pre-mapping results in all the mapping processing results to obtain a combined pre-mapping result; And guiding the merging pre-mapping result to be stored and converted into the target reference signal to be output according to the merging symbol information.
  8. 8. The method of claim 7, wherein combining the symbol occupancy information in all mapping results to output combined symbol information for all symbols, comprises: Combining symbol occupation information in a first preset number of mapping processing results to obtain a plurality of primary combined symbol information, wherein the first preset number is smaller than the number of the plurality of sets of CSI-RS parameters; And combining the plurality of primary combined symbol information to obtain the combined symbol information.
  9. 9. The method of claim 7, wherein combining the pre-map results of all the map processing results to obtain a combined pre-map result comprises: And merging every two mapping results in the mapping processing results successively until merging to obtain the merged pre-mapping result.
  10. 10. The method of claim 7, wherein said directing the storage and conversion of the merged pre-mapping result into the target reference signal output according to the merged symbol information comprises: Storing the combined symbol information into a storage space, wherein the storage space comprises a first ping space and a first pong space; storing the combined pre-mapping result into the storage space, wherein the storage space also comprises a second ping space and a second pong space; And reading the combined pre-mapping result from the second ping space and the second pong space for analysis to obtain the target reference signal output.
  11. 11. The processing device of the reference signal is characterized by comprising a memory, a transceiver and a processor: the system comprises a memory for storing a computer program, a transceiver for receiving and transmitting data under the control of the processor, and a processor for reading the computer program in the memory and performing the following operations: reading the CSI-RS parameters of a cell from a cache, and splitting the CSI-RS parameters into a plurality of sets of parameters; And respectively calling a plurality of signal mapping processing units according to the plurality of sets of parameters to perform parallel processing on the plurality of sets of parameter signals and output a target reference signal, wherein each set of reference signals comprises a plurality of types of CSI-RS reference signals.
  12. 12. A processing apparatus for a reference signal, the processing apparatus comprising: the acquisition module is used for reading the CSI-RS parameters of the cell from the cache and splitting the CSI-RS parameters into a plurality of sets of parameters; And the processing module is used for respectively calling a plurality of signal mapping processing units to perform parallel processing on the plurality of sets of parameter signals according to the plurality of sets of parameters and outputting target reference signals, wherein each set of reference signals comprises a plurality of types of CSI-RS reference signals.
  13. 13. A computer device comprising a memory and a processor, the memory storing a computer program, characterized in that the processor implements the steps of the method of any one of claims 1 to 10 when the computer program is executed.
  14. 14. A computer readable storage medium, on which a computer program is stored, characterized in that the computer program, when being executed by a processor, implements the steps of the method of any of claims 1 to 10.
  15. 15. A computer program product comprising a computer program, characterized in that the computer program, when being executed by a processor, implements the steps of the method of any one of claims 1 to 10.

Description

Reference signal processing method, apparatus, device, storage medium and program product Technical Field The present application relates to the field of communications technologies, and in particular, to a method, an apparatus, a device, a storage medium, and a program product for processing a reference signal. Background The wireless communication is different from the wired communication directly connected with the optical fiber, the propagation path of the transmitting and receiving end is quite complex, complex multipath effect can be generated, the frequency deviation or time delay of signals can be changed due to different path lengths or different propagation paths, attenuation can also occur in the transmission process, interference and noise on a channel can also influence the signals, signal distortion is caused, and the wireless communication quality is further influenced. Channel quality needs to be monitored for proper wireless transmission and channel estimation performed. The channel estimation technology is a process of qualitatively researching a channel by using feedback information of signals between receiving and transmitting ends, so that the receiving end can accurately analyze the transmitted signals. The channel estimation method is mainly divided into three types, namely blind estimation, semi-blind estimation and estimation based on reference signals, wherein the three channel estimation methods have advantages and disadvantages, and the channel estimation method based on the reference signals is generally adopted for a complex wireless communication system. The downlink reference signal CSI-RS is subdivided into multiple types of downlink reference signals such as NZP CSI-RS resources, ZP CSI-RS resources, CSI-IM resources, TRS resources, and the like according to different functions, and when the downlink reference signal is transmitted, the multiple types of downlink reference signals need to be processed. However, the existing reference signal processing method has a problem of low efficiency. Disclosure of Invention In view of the foregoing, it is desirable to provide a reference signal processing method, apparatus, computer device, storage medium, and program product that can improve the reference signal processing efficiency. In a first aspect, the present application provides a method for processing a reference signal. The method comprises the following steps: reading the CSI-RS parameters of a cell from the cache, and splitting the CSI-RS parameters into multiple sets of CSI-RS parameters; And respectively calling a plurality of signal mapping processing units according to the plurality of sets of CSI-RS parameters to process the plurality of sets of reference signals in parallel and output a target reference signal, wherein each set of reference signals comprises a plurality of types of CSI-RS reference signals. In one embodiment, the respectively calling the plurality of signal mapping processing units according to the plurality of sets of CSI-RS parameters to perform parallel processing on the plurality of sets of reference signals, and outputting a target reference signal includes: respectively calling a plurality of signal mapping processing units according to the plurality of sets of CSI-RS parameters to perform parallel mapping processing on the plurality of sets of reference signals, and obtaining mapping processing results output by each signal mapping processing unit; And combining all the mapping processing results output by the signal mapping processing units to obtain a combined mapping processing result, and converting the combined mapping processing result into the target reference signal to output. In one embodiment, the respectively calling a plurality of signal mapping processing units according to the plurality of sets of CSI-RS parameters to perform parallel mapping processing on CSI-RS parameter signals to obtain mapping processing results output by each signal mapping processing unit, and the method includes: Performing symbol space configuration on the CSI-RS reference signals according to configuration information of the CSI-RS protocol parameters, a CDM multiplexing type, time domain starting positions of CDM groups and the number of the CDM groups aiming at each set of CSI-RS parameters and corresponding signal mapping processing units to obtain space symbols of symbols corresponding to the CSI-RS reference signals; Performing RE occupation configuration on the CSI-RS reference signals according to the configuration information of the CSI-RS protocol parameters and the values of key parameters in each set of CSI-RS parameters to obtain occupation symbols of the corresponding RE of the CSI-RS reference signals; and performing mapping processing according to the placeholders of the symbols and the placeholders of the RE to generate a mapping processing result output by the signal mapping processing unit. In one embodiment, the symbol placeholder co