Method for obtaining radio frequency combining pRRU level measurement result, medium and electronic equipment

Abstract

The invention discloses a method for obtaining a radio frequency combining pRRU level measurement result, a medium and electronic equipment, and the method comprises the steps: presetting a polling measurement map, and carrying out the frequency division measurement of each pRRU at a polling measurement moment according to the polling measurement map; the BBU issues the atlas to each pRRU, and each pRRU stores the atlas of polling measurement and determines a sub-band needing to be measured by each pRRU; the pRRU receives the interface message and obtains a sub-band range needing to be measured at the corresponding measurement moment; and each pRRU performs measurement on the corresponding sub-band at the corresponding time according to the polling map to obtain a sub-band measurement result. Through a frequency division measurement mode, different terminals are predefined to measure different sub-bands for sending the SRS signals in a full band, so that more pRRUs can receive the signals in one time, a base band can distinguish more pRRUs, and the real-time performance of measurement is greatly improved.

Description

Technical Field

[0001] This application belongs to the field of communication technology, and specifically relates to a method, medium and electronic device for obtaining RF combiner pRRU level measurement results. Background Technology

[0002] Wireless 4G and 5G have added indoor digital base stations. The network architecture is mainly a three-layer architecture: BBU+HUB+PRRU. One of the main functions of the HUB is to combine the radio frequencies of several PRRUs. For example, in the uplink, it combines the signals of multiple 4T4R PRRUs so that only one combined 4T4R result is seen in the baseband, simplifying the processing capacity requirements of the baseband.

[0003] The HUB's combining capability makes it impossible for the baseband to distinguish the measurement results of each pRRU; the BBU can only see a combined result.

[0004] The pRRUs of digital indoor distribution cells are discretely deployed in various indoor areas. Therefore, many location-related functionalities require pRRU-level measurement results to determine the approximate location of the user or nearby pRRUs. Thus, for RF combining scenarios, methods are needed to obtain pRRU-level measurement results.

[0005] Existing technology utilizes the uplink SRS channel to control whether the pRRU performs data measurements during SRS symbols, completing a single pRRU uplink signal measurement at specific times to obtain pRRU-level measurement results, i.e., serial measurement via time-division multiplexing. Currently, pRRU polling measurements are all performed in time-division multiplexing, and the time to complete one round of pRRU polling measurement is related to the number of pRRU RF combiners. When the number of pRRU RF combiners is large, one polling cycle can take several seconds, resulting in poor real-time performance. Summary of the Invention

[0006] In view of the above problems, this application is made to provide a method, medium and electronic device for obtaining RF combiner pRRU level measurement results that overcomes or at least partially solves the above problems.

[0007] The first aspect of this application provides a method for obtaining measurement results at the pRRU level of an RF combiner, the method comprising: A pre-set polling measurement pattern is used. Based on the polling measurement pattern, each pRRU is subjected to frequency division measurement at the polling measurement time. The BBU distributes the spectrum to each pRRU, and each pRRU saves the spectrum measured in the polling and determines the subband that each pRRU needs to measure. The pRRU receives interface messages to obtain the sub-band range that needs to be measured at the corresponding measurement time; Each pRRU performs measurements in the corresponding subband at the corresponding time according to the polling pattern, and obtains the subband measurement results.

[0008] Optionally, the method further includes: After the terminal connects, the base station allocates full-band SRS resources to each user.

[0009] Optionally, the method further includes: pRRU controls the received frequency range through a receiving filter.

[0010] Optionally, the method further includes: Subband measurement results are merged by a HUB to form a complete full-bandwidth SRS measurement data. Each subband that makes up the full-band measurement result is completed by a different pRRU.

[0011] Optionally, the method further includes: The BBU baseband receives measurement data from the full-bandwidth SRS and performs sub-band level signal measurements. The measurement results of each sub-band correspond to the measurement results of different pRRUs.

[0012] Optionally, a pre-defined polling measurement pattern is used. Based on this pattern, frequency-division measurements are performed on each pRRU at the polling measurement time, including: The full-band SRS resources are divided into multiple sub-bands. Each sub-band is pre-configured with one pRRU in a corresponding RF combiner group. The spectrum is stored in the BBU. The spectrum is distributed to each pRRU when the function is started, and each pRRU is responsible for measuring one subband of the bandwidth of the user's transmitted signal.

[0013] Optionally, the content of the spectrum includes the time of the polling measurement and the subband that the pRRU needs to measure.

[0014] Optionally, each pRRU performs measurements in the corresponding subband at the corresponding time according to the polling pattern, and the subband measurement results include: The measurement results and the corresponding sub-band identifiers are reported to the upper-layer protocol stack for processing. After receiving this information, the upper-layer protocol stack will obtain the pRRU-level measurement results based on the existing spectrum and the pre-set correspondence between the power RF remote unit and subband in the polling spectrum.

[0015] A second aspect of this application provides a computer-readable storage medium storing a computer program that, when loaded and executed by a processor, employs the method described in the first aspect.

[0016] A third aspect of this application provides an electronic device including a memory, a processor, and a computer program stored in the memory and capable of running on the processor, wherein the processor loads and executes the computer program using the method described in the first aspect.

[0017] In summary, due to the adoption of the above technical solution, the beneficial effects of this application are: 1. This application uses frequency division measurement to predefine different sub-bands of a full-band SRS signal transmission by different terminals, so that more pRRUs can receive signals at one time, and the baseband can distinguish more pRRUs, greatly improving the real-time performance of the measurement.

[0018] 2. After obtaining the pRRU-level measurement results, this application actually obtains wireless measurement data with a smaller granularity, thereby enabling more refined operation and maintenance and value-added services.

[0019] 3. This application allows multiple pRRUs to perform measurements simultaneously, thus addressing the shortcoming of existing polling measurements that use too few pRRUs per measurement. Given that pRRU-level measurement data typically has a usage cycle of seconds, this significantly reduces the SRS resource consumption of polling measurements. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0021] Figure 1 This application provides a schematic flowchart of a method for obtaining measurement results at the pRRU level of an RF combiner. Figure 2 This is a schematic diagram of a sub-band-based distributed radio frequency processing architecture. Figure 3 This is a schematic diagram of the subband measurement process based on polling graphs. Detailed Implementation

[0022] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0023] See Figure 1 This embodiment provides a method for obtaining measurement results at the pRRU level of an RF combiner, the method comprising: S1. Preset the polling measurement spectrum. According to the polling measurement spectrum, perform frequency division measurement on each pRRU at the polling measurement time.

[0024] A pre-defined polling measurement pattern is used. Based on this pattern, frequency division measurements are performed on each pRRU at the polling measurement time, including: The full-band SRS resources are divided into multiple subbands, and each subband is pre-configured with one pRRU in a corresponding RF combiner group. The spectrum is stored in the BBU.

[0025] The spectrum is distributed to each pRRU when the function is started, and each pRRU is responsible for measuring one subband of the bandwidth of the user's transmitted signal.

[0026] S2 and BBU distribute the spectrum to each pRRU. Each pRRU saves the spectrum measured in the polling and determines the subband that each pRRU needs to measure.

[0027] The content of the spectrum includes the timing of the polling measurement and the subbands that the pRRU needs to measure.

[0028] The interface format for each pRRU:

[0029] S3 and pRRU receive interface messages to obtain the sub-band range that needs to be measured at the corresponding measurement time.

[0030] S4. After the terminal accesses the network, the base station allocates full-band SRS resources to each user.

[0031] As the number of users increases, the full-band SRS resource allocation for each user is guaranteed by extending the cycle.

[0032] S5 and pRRU control the receiving frequency range through the receiving filter.

[0033] The pRRU performs related operations based on the pre-set subband bandwidth and subband position. Specifically, it uses a receiving filter to precisely control the receiving frequency range, thereby achieving the signal reception task at the user equipment (UE) uplink signal related subband corresponding to the sounding reference signal (SRS) symbol.

[0034] like Figure 2 As shown in the diagram, this diagram illustrates a subband-based distributed radio frequency processing architecture, involving three core modules: BBU (baseband processing unit), HUB (aggregation unit), and pRRU (distributed remote unit). The process logic is as follows: 1. Subband partitioning of BBU The BBU divides the complete communication bandwidth into multiple "subbands" (such as subband 1, subband 2, subband 3, subband 4, etc.) to achieve "fine-grained segmentation" of bandwidth resources, preparing for subsequent distributed processing.

[0035] Dedicated sub-band processing for 2pRRU Each pRRU (e.g., pRRU1, pRRU2, etc.) is responsible for local processing of a single subband (e.g., signal reception, measurement, etc. in the subband). This one-to-one correspondence design allows processing of different subbands to be carried out in parallel, improving resource utilization efficiency and processing flexibility (e.g., different subbands have different channel quality, which can be optimized accordingly).

[0036] 3. Sub-band convergence of the HUB After multiple pRRUs have processed their respective subbands, they are merged through a HUB—the HUB integrates the processing results of each subband into a signal with a complete bandwidth, and then sends it back to the BBU.

[0037] The core value of architecture This "subband splitting → distributed processing → convergence and integration" architecture enables fine-grained bandwidth resource scheduling and multi-node collaborative processing, which helps improve the capacity, coverage, or spectrum efficiency of wireless communication systems (e.g., flexibly configuring transmission strategies based on the channel characteristics of different subbands).

[0038] S6. Each pRRU performs measurements in the corresponding subband at the corresponding time according to the polling pattern, and obtains the subband measurement results.

[0039] Each pRRU performs measurements in its corresponding subband at the corresponding time according to the polling pattern, and the subband measurement results include: The measurement results and the corresponding sub-band identifiers are reported to the upper-layer protocol stack for processing.

[0040] After receiving this information, the upper-layer protocol stack will obtain the pRRU-level measurement results based on the existing spectrum and the pre-set correspondence between the power radio frequency remote unit and the subband in the polling spectrum. See Table 1 for an example.

[0041]

[0042] Table 1 S7. Subband measurement results are merged by HUB to form a complete full-bandwidth SRS measurement data. Each subband that makes up the full-band measurement result is completed by a different pRRU.

[0043] The S8 and BBU baseband receive full-bandwidth SRS measurement data and perform sub-band level signal measurements. The measurement results of each sub-band correspond to the measurement results of different pRRUs.

[0044] This embodiment uses frequency division measurement to predefine different subbands of a full-band SRS signal transmission by different terminals, so that more pRRUs can receive signals at one time, and the baseband can distinguish more pRRUs, greatly improving the real-time performance of the measurement.

[0045] After obtaining the pRRU-level measurement results in this embodiment, we actually obtain wireless measurement data with a smaller granularity, which enables more refined operation and maintenance and value-added services.

[0046] This embodiment allows multiple pRRUs to perform measurements simultaneously, thus addressing the limitation of existing polling measurements which use too few pRRUs per measurement. Given that pRRU-level measurement data typically has a usage cycle of seconds, the resource consumption of polling measurements on the SRS can be significantly reduced.

[0047] like Figure 3 The diagram illustrates the subband measurement process based on polling graphs, involving three core modules: BBU (Baseband Processing Unit), HUB (Signal Combining Unit), Prru (Distributed Remote Unit), and UE (User Equipment). The process steps are as follows: 1. Initial Operations of BBU The BBU "stores the polling graph" (the polling graph includes rules such as measurement time, subband allocation, and Prru association). When the function is enabled, the BBU "distributes the polling graph" to the Prru.

[0048] 2. Prru parsing polling graph After receiving the polling graph, Prru will "determine the time for polling measurement" and "the subband that this pRRU is responsible for measuring" (i.e., clarify when and which subband it will measure).

[0049] 3. UE sends SRS signal The UE transmits the SRS (Sound Reference Signal) – the SRS is a key reference signal used for channel quality measurement and resource scheduling in wireless communication.

[0050] 4. Prru performs sub-band measurement. Each Prru "performs measurements according to the polling pattern, at the corresponding time and in the corresponding subband" (i.e., performs targeted measurements on the SRS signals sent by the UE based on the time and subband allocation of the pattern).

[0051] 5. Prru transmits measurement data back. After the measurement is completed, Prru uploads the "measurement data" back to HUB, and HUB merges the data from each Prru subband and uploads it back to BBU.

[0052] 6. BBU processing of measurement results The BBU performs measurement analysis by subband, ultimately obtaining subband measurement results and establishing a correspondence between "measurement time, subband" and "Prru, measurement results" (facilitating subsequent subband-based channel estimation, resource scheduling, and other operations).

[0053] The overall process aims to achieve refined sub-band level measurements, enabling the network to more accurately perceive the channel quality of different sub-bands, thereby optimizing communication performance.

[0054] Furthermore, it should be noted that this application embodiment also provides a computer-readable storage medium storing a computer program, which, when loaded and executed by a processor, performs the methods described in the above embodiments.

[0055] Furthermore, it should be noted that this application also provides an electronic device, including a memory, a processor, and a computer program stored in the memory and capable of running on the processor. When the processor loads and executes the computer program, it performs the methods described in the above embodiments.

[0056] Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this application.

Claims

1. A method of obtaining radio frequency combining pRRU level measurement results, characterized by, The method comprises: presetting a polling measurement graph, and performing frequency division measurement on each pRRU at a polling measurement time according to the polling measurement graph; the BBU sends the graph to each pRRU, each pRRU saves the polling measurement graph, and determines the subband to be measured by each pRRU; the pRRU receives an interface message to obtain the subband range to be measured at the corresponding measurement time; each pRRU performs measurement on the corresponding subband at the corresponding time according to the polling graph, and obtains a subband measurement result.

2. The method of claim 1, wherein the pRRU level measurement is obtained by a radio frequency combining pRRU. The method further comprises: after a terminal accesses, the base station allocates SRS resources of an SRS full band to each user.

3. The method of claim 1, wherein the pRRU level measurement is obtained by a radio frequency combining pRRU. The method further comprises: the pRRU controls the received frequency domain range through a receiving filter.

4. The method of claim 1, wherein the pRRU level measurement is obtained by a radio frequency combining pRRU. The method further comprises: the subband measurement result is combined by the HUB to form a complete full-band SRS measurement data, and each subband of the full-band measurement result is completed by different pRRUs.

5. A method of obtaining radio frequency combining pRRU level measurement results as claimed in claim 4, characterized by, The method further comprises: the BBU baseband receives the full-band SRS measurement data, and performs subband-level signal measurement, and each subband measurement result corresponds to the measurement result of different pRRUs.

6. The method of claim 1, wherein the pRRU level measurement is obtained by a radio frequency combining pRRU. The method of presetting a polling measurement graph and performing frequency division measurement on each pRRU at a polling measurement time according to the polling measurement graph comprises: dividing the full-band SRS resource into a plurality of subbands, each subband is previously set to correspond to one pRRU in one radio frequency combining group, and the graph is saved in the BBU; the graph is sent to each pRRU when the function is started, and each pRRU is responsible for measuring one subband of the user signal bandwidth.

7. The method of obtaining radio frequency combining pRRU level measurement results as claimed in claim 1, wherein, The content of the graph comprises a polling measurement time and a subband to be measured by the pRRU.

8. The method of obtaining radio frequency combining pRRU level measurement results as claimed in claim 1, wherein, Each pRRU performs measurement on the corresponding subband at the corresponding time according to the polling graph, and obtains a subband measurement result, which comprises: the measurement result and the corresponding subband identifier are reported to the upper layer protocol stack for processing; after receiving the information, the upper layer protocol stack obtains the pRRU-level measurement result according to the existing graph and the pre-set corresponding relationship between the power remote radio unit and the subband in the polling graph.

9. A computer-readable storage medium having stored therein a computer program, characterized in that, The computer program is loaded and executed by the processor, and the method of any one of claims 1-8 is adopted.

10. An electronic device comprising a memory, a processor, and a computer program stored in the memory and capable of running on the processor, characterized in that, The processor loads and executes the computer program, and the method of any one of claims 1-8 is adopted.

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