WO2024020810A1 - Procédé et appareil de rapport de résultat de mesure, procédé et appareil de réception de résultat de mesure, appareil de communication et support de stockage - Google Patents

Procédé et appareil de rapport de résultat de mesure, procédé et appareil de réception de résultat de mesure, appareil de communication et support de stockage Download PDF

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Publication number
WO2024020810A1
WO2024020810A1 PCT/CN2022/108047 CN2022108047W WO2024020810A1 WO 2024020810 A1 WO2024020810 A1 WO 2024020810A1 CN 2022108047 W CN2022108047 W CN 2022108047W WO 2024020810 A1 WO2024020810 A1 WO 2024020810A1
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WIPO (PCT)
Prior art keywords
crs
measurement result
terminal
pattern
network device
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PCT/CN2022/108047
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English (en)
Chinese (zh)
Inventor
朱亚军
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北京小米移动软件有限公司
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Application filed by 北京小米移动软件有限公司 filed Critical 北京小米移动软件有限公司
Priority to CN202280002675.2A priority Critical patent/CN115428511A/zh
Priority to PCT/CN2022/108047 priority patent/WO2024020810A1/fr
Publication of WO2024020810A1 publication Critical patent/WO2024020810A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/14—Spectrum sharing arrangements between different networks

Definitions

  • the present disclosure relates to the field of communication technology, specifically, to a measurement result reporting method, a measurement result receiving method, a measurement result reporting device, a measurement result receiving device, a communication device, and a computer-readable storage medium.
  • the LTE (Long Term Evolution) system and the NR (New Radio) system can coexist in the same spectrum resources, which causes the LTE system to transmit Some information will cause interference to the NR system.
  • the terminal when the RE (Resource Element) corresponding to the Cell-specific Reference Signal (CRS, also called the cell-level reference signal) sent by the LTE system conflicts with the RE corresponding to the physical downlink channel in the NR system, the terminal There will be interference when receiving the physical downlink channel on conflicting REs, which will reduce the demodulation performance of the physical downlink channel in the NR system.
  • CRS Cell-specific Reference Signal
  • rate matching based on CRS pattern can be used to overcome it to a certain extent.
  • the presence of CRS can be considered.
  • the network device maps the PDSCH to the RE without CRS. Then correspondingly, the terminal detects and receives the physical downlink channel on the RE that does not transmit CRS.
  • the terminal when the terminal is at the junction of multiple cells, it will be interfered by CRS issued by multiple cells. Then it is necessary to perform rate matching based on the CRS patterns of multiple cells. However, it is necessary to perform rate matching based on too many CRS patterns. Rate matching will severely limit the capacity of the physical downlink channel, and will also affect the performance and scheduling flexibility of the NR system.
  • embodiments of the present disclosure propose a measurement result reporting method, a measurement result receiving method, a measurement result reporting device, a measurement result receiving device, a communication device, and a computer-readable storage medium to solve technical problems in related technologies.
  • a measurement result reporting method is proposed, which is executed by a terminal.
  • the method includes: measuring the signal strength of the cell reference signal CRS to obtain the measurement result; and reporting the measurement result to the network device, wherein , the measurement results are used to assist the network device in determining the CRS pattern for rate matching by the terminal.
  • a method for receiving measurement results is proposed, which is executed by a network device.
  • the method includes: receiving a measurement result obtained by measuring the signal strength of a cell reference signal CRS by a terminal, wherein the measurement result Used to assist in determining the CRS pattern for rate matching by the terminal.
  • a measurement result reporting device includes: a processing module configured to measure the signal strength of the cell reference signal CRS to obtain the measurement result; and a sending module configured to report the signal to the network.
  • the device reports the measurement results, where the measurement results are used to assist the network device in determining the CRS pattern for rate matching by the terminal.
  • a measurement result receiving device includes: a receiving module configured to receive the measurement result obtained by measuring the signal strength of the cell reference signal CRS by the terminal, wherein the measurement The results are used to assist in determining the CRS pattern for rate matching by the terminal.
  • a communication device including: a processor; and a memory for storing a computer program; wherein when the computer program is executed by the processor, the above measurement result reporting method is implemented.
  • a communication device including: a processor; a memory for storing a computer program; wherein when the computer program is executed by the processor, the above measurement result receiving method is implemented.
  • a computer-readable storage medium for storing a computer program.
  • the computer program is executed by a processor, the above measurement result reporting method is implemented.
  • a computer-readable storage medium for storing a computer program.
  • the computer program is executed by a processor, the above-mentioned measurement result receiving method is implemented.
  • the terminal can measure the signal strength of the CRS and report the measurement results to the network device, so that the network device can determine the CRS pattern that has a relatively large degree of interference with the physical downlink channel based on the measurement results, and then Instruct the terminal to perform RM on the CRS pattern with relatively large interference level. Then the terminal can only perform RM on CRS patterns with a relatively large interference degree, but does not need to perform RM on CRS patterns with a relatively small interference degree, thus reducing the number of CRS patterns that need to be RM and alleviating restrictions on the physical downlink channel capacity. , which is conducive to improving the performance and scheduling flexibility of the NR system.
  • Figure 1 is a schematic flow chart of a method for reporting measurement results according to an embodiment of the present disclosure.
  • FIG. 2A is a schematic diagram illustrating a resource scope according to an embodiment of the present disclosure.
  • FIG. 2B is a schematic diagram illustrating another resource scope according to an embodiment of the present disclosure.
  • FIG. 3 is a schematic flow chart of another measurement result reporting method according to an embodiment of the present disclosure.
  • FIG. 4 is a schematic flow chart of yet another measurement result reporting method according to an embodiment of the present disclosure.
  • FIG. 5 is a schematic flow chart of yet another measurement result reporting method according to an embodiment of the present disclosure.
  • FIG. 6 is a schematic flow chart of yet another measurement result reporting method according to an embodiment of the present disclosure.
  • FIG. 7 is a schematic flow chart of a method for receiving measurement results according to an embodiment of the present disclosure.
  • FIG. 8 is a schematic flow chart of another measurement result receiving method according to an embodiment of the present disclosure.
  • FIG. 9 is a schematic flow chart of yet another measurement result receiving method according to an embodiment of the present disclosure.
  • Figure 10 is a schematic block diagram of a measurement result reporting device according to an embodiment of the present disclosure.
  • Figure 11 is a schematic block diagram of a measurement result receiving device according to an embodiment of the present disclosure.
  • FIG. 12 is a schematic block diagram of a device for receiving measurement results according to an embodiment of the present disclosure.
  • Figure 13 is a schematic block diagram of a device for reporting measurement results according to an embodiment of the present disclosure.
  • first, second, third, etc. may be used to describe various information in the embodiments of the present disclosure, the information should not be limited to these terms. These terms are only used to distinguish information of the same type from each other.
  • first information may also be called second information, and similarly, the second information may also be called first information.
  • word “if” as used herein may be interpreted as "when” or "when” or "in response to determining.”
  • the terms used in this article are “greater than” or “less than”, “higher than” or “lower than” when characterizing size relationships. But for those skilled in the art, it can be understood that: the term “greater than” also covers the meaning of “greater than or equal to”, and “less than” also covers the meaning of “less than or equal to”; the term “higher than” covers the meaning of “higher than or equal to”. “The meaning of “less than” also covers the meaning of "less than or equal to”.
  • Figure 1 is a schematic flow chart of a method for reporting measurement results according to an embodiment of the present disclosure.
  • the measurement result reporting method shown in this embodiment can be executed by a terminal, which includes but is not limited to mobile phones, tablet computers, wearable devices, sensors, Internet of Things devices and other communication devices.
  • the terminal can communicate with network equipment, which includes but is not limited to network equipment in 4G, 5G, 6G and other communication systems, such as base stations, core networks, etc.
  • the measurement result reporting method may include the following steps:
  • step S101 measure the signal strength of the cell reference signal CRS to obtain the measurement result
  • step S102 the measurement result is reported to the network device, where the measurement result is used to assist the network device in determining the CRS pattern for rate matching by the terminal.
  • CRS includes CRS in the LTE system
  • physical downlink channels include physical downlink channels in the NR system, including but not limited to PDSCH (Physical Downlink Shared Channel, Physical Downlink Shared Channel) .
  • the network device can determine the CRS pattern for rate matching by the terminal and indicate it to the terminal, and the terminal can perform rate matching on the PDSCH according to the CRS pattern indicated by the network device.
  • PDCCH Physical Downlink Control Channel
  • network equipment can be processed by puncturing according to the CRS pattern.
  • the method of determining the CRS pattern based on punching the PDCCH is similar to the way the CRS pattern is determined based on the rate matching of the PDSCH. That is, the terminal can measure the signal strength of the CRS to obtain the measurement result, and then report it to the network device. Measurement results, the measurement results are used to assist in determining the CRS pattern for punching the PDCCH.
  • the terminal and the network device in the embodiment of the present disclosure may be at the same site or may not be at the same site.
  • the terminal can measure the signal strength of the CRS, where the signal strength includes but is not limited to RSRP (Reference Signal Receiving Power, reference signal receiving power), SINR (Signal to Interference plus Noise Ratio, signal stem noise ratio) etc.
  • the terminal can then report the measurement results to the network device to assist the network device in determining the terminal's CRS pattern for rate matching RM.
  • the physical downlink channel of the terminal is interfered by multiple CRS patterns, but the degree of interference of each CRS pattern is different.
  • the greater the signal strength of the CRS in the RE corresponding to the CRS pattern the greater the degree of interference to NR signal transmission. Therefore, the terminal can obtain the measurement results and report them by measuring the signal strength of the CRS corresponding to each CRS pattern.
  • the terminal can measure the signal strength of the CRS and report the measurement results to the network device, so that the network device can determine the CRS pattern with a relatively large degree of interference to the physical downlink channel based on the measurement results, and then Instruct the terminal to perform RM on the CRS pattern with a greater degree of interference. Then the terminal can only perform RM on CRS patterns with a relatively large interference degree, but does not need to perform RM on CRS patterns with a relatively small interference degree, thus reducing the number of CRS patterns that need to be RM and alleviating restrictions on the physical downlink channel capacity. , which is conducive to improving the performance and scheduling flexibility of the NR system.
  • the terminal can measure the signal strength of the CRS in the RE corresponding to the first CRS pattern to obtain the first measurement result, and the second CRS pattern.
  • the second CRS pattern corresponds to the signal strength of the CRS in the RE and is measured to obtain the second measurement result.
  • the terminal can report all the obtained measurement results, for example, the above-mentioned first measurement result and the second measurement result are reported to the network device, and the network device determines which CRS pattern corresponding to the measurement result is the CRS pattern that requires the terminal to perform RM. For example, the network device can determine from the received measurement results that the CRS pattern corresponding to the measurement result whose signal strength is greater than the strength threshold is a CRS pattern that requires the terminal to perform RM;
  • the terminal can also analyze the measurement results first, and then determine the CRS pattern for which RM is expected.
  • the measurement results can include the mean value of the CRS signal strength in the RE corresponding to the CRS pattern, then the terminal can determine the CRS pattern corresponding to the mean value greater than the mean threshold (for The physical downlink channel interference is relatively strong) is the CRS pattern for which RM is expected.
  • the measurement results of the CRS pattern that the terminal expects to perform RM are reported to the network device.
  • the network device can determine the CRS pattern that the terminal expects to perform RM as the CRS pattern that requires the terminal to perform RM. It can also be determined according to the actual situation.
  • the terminal is required to perform RM's CRS pattern.
  • the measurement result may be the measured signal strength of the CRS, or may be further obtained CRS pattern related information for which rate matching is expected to be performed after measuring the signal strength of the CRS.
  • the network device can indicate the CRS pattern to be tested, and the terminal can measure the signal strength of the CRS in the CRS pattern to be tested.
  • the terminal can report the measured signal strength as the measurement result, and can determine the CRS signal in each CRS pattern to be tested.
  • the mean value of the intensity is determined, and then the identity of the CRS pattern to be measured corresponding to the mean value of the signal strength greater than the strength threshold is determined and reported as the measurement result. Then the reported identity is the identity of the CRS pattern for which rate matching is expected to be performed.
  • the method further includes: determining a CRS pattern for which rate matching needs to be performed based on the indication information sent by the network device.
  • the network device determines that the first CRS pattern is the CRS pattern for the terminal to perform RM based on the measurement results reported by the terminal. Then the terminal can be instructed to perform RM on the first CRS pattern through the instruction information.
  • the terminal can consider the first CRS pattern.
  • the presence of CRS in the CRS pattern means that the network device maps the physical downlink channel to the RE other than the first CRS pattern.
  • the terminal detects and receives the physical downlink channel on the RE other than the first CRS pattern.
  • the terminal does not need to perform RM, then the terminal can ignore the existence of CRS in the second CRS pattern, and the network device can map the physical downlink channel to the RE corresponding to the second CRS pattern.
  • the terminal The physical downlink channel can be detected and received on the RE corresponding to the second CRS pattern.
  • the network equipment can determine the first CRS pattern with relatively strong interference as the CRS pattern that requires RM. If the second CRS pattern is weak, the terminal does not need to be instructed to perform RM. Therefore, when configuring the physical downlink channel, there is no need to perform RM on the RE corresponding to the second CRS pattern, which is beneficial to improving the capacity of the physical downlink channel and improving the performance and scheduling flexibility of the NR system.
  • the terminal can carry and report the measurement results through uplink control information (UCI, Uplink Control Information), channel state information (Channel State Information, CSI), physical uplink common channel (Physical Uplink Shared Channel, PUSCH), etc.
  • uplink control information UCI, Uplink Control Information
  • channel state information Channel State Information, CSI
  • Physical Uplink common channel Physical Uplink Shared Channel, PUSCH
  • measuring the signal strength of the cell reference signal CRS to obtain the measurement result includes: measuring the signal strength of the CRS within a predetermined resource range to obtain the measurement result.
  • the predetermined resource range may be determined according to the agreement, may be indicated by the network device, or may be determined independently by the terminal.
  • the network device may indicate the resource range to the terminal through signaling.
  • the network device may determine the resource range according to the actual situation or according to the measurement capabilities reported by the terminal. , determine the scope of the resource.
  • the resource range includes a time domain resource range, where it is not expected to receive signals other than CRS or perform data transmission within the time domain resource range, and no signals or data may be sent to the network device.
  • the network device does not send signals or data other than CRS to the terminal within the time domain resource range, and may not receive signals or data sent by the terminal. Accordingly, it can be ensured that the terminal's measurement of CRS within the time domain resource range is not susceptible to interference, which is beneficial to ensuring accurate measurement results.
  • the time domain resource range may be determined according to predefined rules (such as protocol agreement) or may be indicated by a network device.
  • the time domain resource range may include a time window, and the terminal may determine the time window according to the starting position and duration indicated by the network device, or may determine the time window according to the starting position and end position indicated by the network device.
  • the time domain resource range may include at least one time domain unit (radio frame, subframe, time slot, symbol, etc.), and the terminal may determine the time domain unit according to the starting time domain unit and the number of time domain units indicated by the network device. Domain resource scope.
  • the time window may be periodic or non-periodic, and may be set as needed.
  • the resource range may also include the frequency domain resource range.
  • the frequency domain resource range may include, for example, at least one frequency domain unit (frequency band, carrier unit, partial bandwidth, etc.).
  • FIG. 2A is a schematic diagram illustrating a resource scope according to an embodiment of the present disclosure.
  • the resource range includes the time window in the time domain and the partial bandwidth BWP (BandWidth Part) in the frequency domain.
  • the physical downlink channel is interfered by the first CRS pattern and the second CRS pattern within the BWP.
  • the terminal can measure the RSRP of the CRS in the RE corresponding to the first CRS pattern within the time window and BWP shown in Figure 2A, and measure the RSRP of the CRS in the RE corresponding to the second CRS pattern, and obtain the measurement results. Report to the network device.
  • FIG. 2B is a schematic diagram illustrating another resource scope according to an embodiment of the present disclosure.
  • the resource range includes the time window in the time domain and the first frequency domain range (such as BWP) within the carrier unit CC (Component Carrier) in the frequency domain.
  • the time window can include three parts.
  • the terminal is configured to perform radio frequency tuning (RF retuning). For example, the radio frequency is tuned to the second frequency domain range.
  • the signal strength of the CRS is measured.
  • the terminal can tune back from the second frequency domain through radio frequency. to the first frequency domain range.
  • the terminal is interfered by the first CRS pattern in the first frequency domain and is interfered by the second CRS pattern in the second frequency domain.
  • the terminal can be interfered by the first CRS pattern.
  • the second CRS pattern measures the RSRP of the CRS in the RE and reports the obtained measurement results to the network device.
  • the duration used for measurement (the second part) in the above time window and the duration of radio frequency tuning (the first part and the third part) can be determined according to predefined rules (such as protocol agreement), or Can be directed by a network device.
  • FIG. 3 is a schematic flow chart of another measurement result reporting method according to an embodiment of the present disclosure.
  • the measurement of the signal strength of the cell reference signal CRS includes:
  • step S301 determine the CRS pattern to be tested according to the signaling of the network device
  • step S302 determine the resource element RE corresponding to the CRS pattern to be tested within the predetermined resource range
  • step S303 the signal strength is measured on each RE to obtain a measurement result.
  • the terminal determines that it needs to measure the CRS signal strength on the RE corresponding to the CRS pattern to be tested based on the CRS pattern to be tested (which may include one or more CRS patterns) indicated by the network device, and then the terminal can perform the measurement in advance. Within the determined resource range, the signal strength on the RE corresponding to the CRS pattern to be tested is measured to obtain the measurement results and report them.
  • the terminal can determine that the signal strength of the CRS needs to be measured on the RE corresponding to the CRS pattern to be tested. Therefore, in the process of obtaining the measurement results, it is not necessary to perform additional measurements other than the CRS pattern. Measurement using the RE is conducive to simplifying the measurement process and saving the implementation complexity of the terminal.
  • FIG. 4 is a schematic flow chart of yet another measurement result reporting method according to an embodiment of the present disclosure. As shown in Figure 4, reporting the measurement results to the network device includes:
  • step S401 determine the mean value of the signal strength measured on the RE corresponding to each of the CRS patterns to be tested;
  • step S402 determine the relevant identifier of the CRS pattern to be tested corresponding to the mean value greater than the preset mean threshold
  • step S403 the relevant identifier is reported to the network device.
  • the terminal after the terminal measures the signal strength on the REs corresponding to the CRS pattern to be tested, it can further calculate the mean value of the signal strengths on these REs, and then determine the impact of the CRS pattern to be tested corresponding to the mean value greater than the mean threshold on the physical downlink.
  • the degree of channel interference is relatively large, so the CRS pattern to be measured corresponding to the mean value can be reported to the network device as the CRS pattern expected to perform RM.
  • the content of the report can be simplified, that is, the measurement result or the average value is not reported directly, but the relevant identifier of the CRS pattern to be tested corresponding to the average value greater than the average threshold is determined, such as the CRS pattern of The serial number, CRS pattern corresponds to the identity of the cell, etc., and then reports the determined relevant identification to the network device, and the network device can determine the CRS pattern that the terminal expects to perform RM based on the relevant identification.
  • FIG. 5 is a schematic flow chart of yet another measurement result reporting method according to an embodiment of the present disclosure. As shown in Figure 5, the measurement of the signal strength of the cell reference signal CRS includes:
  • step S501 measure the signal strength of the received signal in REs within the predetermined resource range
  • step S502 determine the RE pattern composed of REs whose signal strength is greater than the preset strength threshold
  • step S503 determine the matching pattern that matches the RE pattern in the pre-stored CRS pattern
  • step S504 the measurement result is determined according to the signal strength corresponding to the RE in the matching pattern.
  • the terminal when the network device does not indicate the CRS pattern to be tested, the terminal does not know which REs need to be measured, and therefore needs to measure the signal strength of the received signals of all REs in the predetermined resource range. , and identify REs where the signal strength is greater than a preset strength threshold. Since the signal strength on these is relatively large, they are REs where CRS may be present.
  • the terminal can store each number in advance
  • the CRS pattern corresponding to the port, RE pattern can be formed for the RE where CRS may exist, and then the pre-stored CRS pattern is matched with the RE pattern.
  • the matching pattern that matches the RE pattern in the pre-stored CRS pattern is the CRS pattern that will cause interference to the physical downlink channel, that is, it is equivalent to the CRS pattern to be tested. Therefore, the RE pattern in the matching pattern can be used The corresponding signal strength determines the measurement result.
  • the CRS pattern to be measured can be determined without the network device indicating the CRS pattern to be measured, and then the measurement result can be determined based on the signal strength corresponding to the RE in the matching pattern and reported to the network device.
  • multiple CRS patterns can be stored in advance, and then the matching degree of each pre-stored CRS pattern with the RE pattern determined by measurement is determined.
  • the CRS pattern with a matching degree greater than the matching threshold can be used as a matching pattern.
  • the matching degree can be determined based on the number of overlapping REs. For example, the more the number of overlapping REs in the RE pattern corresponding to the CRS pattern and the RE pattern determined by the measurement, the higher the matching degree; the matching degree can also be determined based on the pre-stored CRS pattern correspondence.
  • Determine the signal strength of the RE For example, for each pre-stored CRS pattern, the average signal strength of the RE corresponding to the CRS pattern can be measured separately. The greater the average signal strength, the higher the matching degree.
  • the matching pattern can be one CRS pattern or multiple CRS patterns.
  • the terminal may not report the measurement results, or may report the measurement results and add additional information to the measurement results. The additional information is used to indicate that no matching pattern is determined. Then the network device can selectively determine that there is no CRS pattern that requires the terminal to perform RM.
  • reporting the measurement result to the network device includes: reporting the characteristics of the matching pattern to the network device.
  • the measurement result of the signal strength corresponding to the RE in the matching pattern can be reported directly to the network device, or the characteristics of the matching pattern can be determined, and then the characteristics of the matching pattern can be reported to the network device, where the characteristics of the matching pattern Information used to characterize the RE corresponding to the matching pattern, including but not limited to the number of ports corresponding to the matching pattern.
  • the cell identity corresponding to the measurement results can also be determined and reported to the network device to save uplink transmission resources.
  • FIG. 6 is a schematic flow chart of yet another measurement result reporting method according to an embodiment of the present disclosure. As shown in Figure 6, reporting measurement results to network devices includes:
  • step S601 determine the mean value of the signal strength measured on the RE corresponding to each matching pattern
  • step S602 determine the target pattern corresponding to the mean value greater than the preset mean threshold
  • step S603 determine the cell identity corresponding to the CRS sequence measured in the RE of the target pattern
  • step S604 the cell identifier is reported to the network device.
  • the measurement results of the signal strength corresponding to the RE in the matching pattern can be reported directly to the network device, or the characteristics of the matching pattern can be reported.
  • the measurement results and characteristics generally have a relatively large amount of data, and reporting to the network equipment takes up a lot of time. has more uplink resources, so you can consider simplifying the reported information.
  • the terminal can determine the association between the CRS sequence and the cell identifier, and based on this, the terminal can determine the cell identifier corresponding to each CRS sequence. Then the terminal can calculate the mean value of the signal strength on the RE corresponding to the matching pattern, and then determine that the target pattern corresponding to the mean value greater than the preset mean threshold has a relatively large degree of interference with the physical downlink channel, so that the target pattern can be used as the CRS pattern for which RM is expected. .
  • the content of the report can be simplified.
  • the cell identifier corresponding to the CRS sequence can be determined in the association relationship based on the CRS sequence measured in the RE of the target pattern, and then reported to the network device. The cell identifier.
  • the network device can determine the CRS pattern of the RM expected by the terminal based on the cell identifier reported by the terminal.
  • FIG. 7 is a schematic flow chart of a method for receiving measurement results according to an embodiment of the present disclosure.
  • the measurement result receiving method shown in this embodiment can be executed by a network device that can communicate with a terminal.
  • the network device includes but is not limited to base stations in communication systems such as 4G base stations, 5G base stations, and 6G base stations.
  • Terminals include but are not limited to mobile phones, tablets, wearable devices, sensors, Internet of Things devices and other communication devices.
  • the measurement result receiving method may include the following steps:
  • step S701 the measurement results obtained by measuring the signal strength of the cell reference signal CRS by the terminal are received, where the measurement results are used to assist in determining the CRS pattern for rate matching by the terminal.
  • the terminal may measure the signal strength of the CRS, where the signal strength includes but is not limited to RSRP, SINR, etc. The terminal can then report the measurement results to the network device to assist the network device in determining the CRS pattern of the terminal for rate matching RM.
  • the physical downlink channel of the terminal is interfered by multiple CRS patterns, but the degree of interference of each CRS pattern is different.
  • the greater the signal strength of the CRS in the RE corresponding to the CRS pattern the greater the degree of interference to NR signal transmission. Therefore, the terminal can obtain the measurement results and report them by measuring the signal strength of the CRS corresponding to each CRS pattern.
  • the network device can determine the CRS pattern with a relatively large degree of interference to the physical downlink channel based on the measurement results obtained by the terminal measuring the signal strength of the CRS, and then instruct the terminal to determine the CRS pattern with a relatively large degree of interference to the physical downlink channel.
  • Carry out RM This allows the terminal to perform RM only on CRS patterns with a relatively large interference degree, but does not need to perform RM on CRS patterns with a relatively small interference degree, thus reducing the number of CRS patterns that need to be RM and alleviating the impact on the physical downlink channel capacity. restrictions, which is beneficial to improving the performance and scheduling flexibility of NR systems.
  • the terminal can measure the signal strength of the CRS in the RE corresponding to the first CRS pattern to obtain the first measurement result, and the second CRS pattern.
  • the second CRS pattern is measured corresponding to the signal strength of the CRS in the RE to obtain the second measurement result.
  • the terminal can report all the obtained measurement results, for example, the above-mentioned first measurement result and the second measurement result are reported to the network device, and the network device determines which CRS pattern corresponding to the measurement result is the CRS pattern that requires the terminal to perform RM. For example, the network device can determine from the received measurement results that the CRS pattern corresponding to the measurement result whose signal strength is greater than the strength threshold is a CRS pattern that requires the terminal to perform RM;
  • the terminal can also analyze the measurement results first, and then determine the CRS pattern for which RM is expected.
  • the measurement results can include the mean value of the CRS signal strength in the RE corresponding to the CRS pattern, then the terminal can determine the CRS pattern corresponding to the mean value greater than the mean threshold (for The physical downlink channel interference is relatively strong) is the CRS pattern for which RM is expected.
  • the measurement results of the CRS pattern that the terminal expects to perform RM are reported to the network device.
  • the network device can determine the CRS pattern that the terminal expects to perform RM as the CRS pattern that requires the terminal to perform RM, or it can be determined according to the actual situation.
  • the terminal is required to perform RM's CRS pattern.
  • the measurement result may be the measured signal strength of the CRS, or may be further obtained CRS pattern related information for which rate matching is expected to be performed after measuring the signal strength of the CRS.
  • the network device can indicate the CRS pattern to be tested, and the terminal can measure the signal strength of the CRS in the CRS pattern to be tested.
  • the terminal can report the measured signal strength as the measurement result, and can determine the CRS signal in each CRS pattern to be tested.
  • the mean value of the intensity is determined, and then the identity of the CRS pattern to be measured corresponding to the mean value of the signal strength greater than the strength threshold is determined and reported as the measurement result. Then the reported identity is the identity of the CRS pattern for which rate matching is expected to be performed.
  • the method further includes: determining a CRS pattern for rate matching by the terminal according to the measurement results; sending indication information to the terminal, wherein the indication information is used to indicate that rate matching needs to be performed. CRS pattern.
  • the network device determines that the first CRS pattern is the CRS pattern for the terminal to perform RM based on the measurement results reported by the terminal. Then the terminal can be instructed to perform RM on the first CRS pattern through the instruction information.
  • the terminal can consider the first CRS pattern.
  • the presence of CRS in the CRS pattern means that the network device maps the physical downlink channel to the RE other than the first CRS pattern.
  • the terminal detects and receives the physical downlink channel on the RE other than the first CRS pattern.
  • the terminal does not need to perform RM, then the terminal can ignore the existence of CRS in the second CRS pattern, and the network device can map the physical downlink channel to the RE corresponding to the second CRS pattern.
  • the terminal The physical downlink channel can be detected and received on the RE corresponding to the second CRS pattern.
  • the network equipment can determine the first CRS pattern with relatively strong interference as the CRS pattern that requires RM. If the second CRS pattern is weak, the terminal does not need to be instructed to perform RM. Therefore, when configuring the physical downlink channel, there is no need to perform RM on the RE corresponding to the second CRS pattern, which is beneficial to improving the capacity of the physical downlink channel and improving the performance and scheduling flexibility of the NR system.
  • the network device can obtain the measurement results from the uplink control information UCI, channel state information CSI, PUSCH, etc. sent by the terminal.
  • the network device can also obtain the measurement results from other information sent by the terminal for reporting. .
  • FIG. 8 is a schematic flow chart of another measurement result receiving method according to an embodiment of the present disclosure. As shown in Figure 8, the method also includes:
  • step S801 configure a resource range for measuring the signal strength of the CRS for the terminal.
  • the network device can configure a resource range for measuring the signal strength of the CRS for the terminal, and the terminal can measure the signal strength of the CRS within the resource range configured by the network device to obtain the measurement result. For example, when the network device indicates the resource range, the network device may indicate the resource range to the terminal through signaling. The network device may determine the resource range according to the actual situation or according to the measurement capabilities reported by the terminal. , determine the scope of the resource.
  • the resource range includes a time domain resource range, wherein signals or data other than CRS are not sent to the terminal within the time domain resource range, and signals or data sent by the terminal may not be received.
  • signals or data other than CRS are not sent to the terminal within the time domain resource range, and signals or data sent by the terminal may not be received.
  • the time domain resource range it is not expected to receive signals other than CRS or perform data transmission, and signals or data may not be sent to the network device. Accordingly, it can be ensured that the terminal's measurement of CRS within the time domain resource range is not susceptible to interference, which is beneficial to ensuring accurate measurement results.
  • the time domain resource range may include a time window, and the network device may indicate the starting position and duration of the time window to the terminal, or may indicate the starting position and end position of the time window to the terminal.
  • the time domain resource range may include at least one time domain unit (radio frame, subframe, time slot, symbol, etc.), and the network device may indicate the starting time domain unit and the number of time domain units of the time domain resource range to the terminal. .
  • the resource range may also include the frequency domain resource range.
  • the frequency domain resource range may include, for example, at least one frequency domain unit (frequency band, carrier unit, partial bandwidth, etc.).
  • FIG. 9 is a schematic flow chart of yet another measurement result receiving method according to an embodiment of the present disclosure. As shown in Figure 9, the method also includes:
  • step S901 the CRS pattern to be tested is indicated to the terminal through signaling, where the CRS pattern to be tested is used for the terminal to determine the measurement result.
  • the network device can indicate to the terminal the CRS pattern to be tested (which can include one or more CRS patterns) through signaling.
  • the terminal can determine that the CRS pattern to be tested needs to correspond to the CRS pattern to be tested based on the CRS pattern to be tested indicated by the network device. If the signal strength of the CRS is measured on the RE, then the signal strength on the RE corresponding to the CRS pattern to be tested can be measured within the predetermined resource range to obtain the measurement results and report them.
  • the terminal can determine that the signal strength of the CRS needs to be measured on the RE corresponding to the CRS pattern to be tested. Therefore, in the process of obtaining the measurement results, it is not necessary to perform additional measurements other than the CRS pattern.
  • the RE is used for measurement, which is helpful to simplify the measurement process and save the power of the terminal.
  • the present disclosure also provides embodiments of a measurement result reporting device and a measurement result receiving device.
  • FIG 10 is a schematic block diagram of a measurement result reporting device according to an embodiment of the present disclosure.
  • the measurement result reporting device shown in this embodiment may be a terminal, or a device composed of modules in the terminal.
  • the terminal includes but is not limited to communication devices such as mobile phones, tablet computers, wearable devices, sensors, and Internet of Things devices.
  • the terminal can communicate with network equipment, which includes but is not limited to network equipment in 4G, 5G, 6G and other communication systems, such as base stations, core networks, etc.
  • the measurement result reporting device may include:
  • the processing module 1001 is configured to measure the signal strength of the cell reference signal CRS to obtain the measurement result;
  • the sending module 1002 is configured to report the measurement result to a network device, where the measurement result is used to assist the network device in determining the CRS pattern for rate matching by the terminal.
  • the processing module is configured to measure the signal strength of the CRS within a predetermined resource range to obtain the measurement result.
  • the resource range includes a time domain resource range, where it is not expected to receive signals other than CRS or perform data transmission within the time domain resource range.
  • the processing module is configured to determine the CRS pattern to be tested according to the signaling of the network device; determine the resource element RE corresponding to the CRS pattern to be tested within the predetermined resource range; in each The signal strength measured on each of the REs is used to obtain the measurement result.
  • the processing module is also configured to determine the mean value of the signal strength measured on the RE corresponding to each of the CRS patterns to be tested; determine the CRS pattern to be tested corresponding to the mean value greater than the preset mean threshold.
  • the related identification wherein, the sending module is configured to report the related identification to the network device.
  • the processing module is configured to measure the signal strength of the received signal in REs within the predetermined resource range; determine an RE pattern composed of REs whose signal strength is greater than a preset strength threshold; in Determine the matching pattern that matches the RE pattern from the pre-stored CRS pattern; determine the measurement result according to the signal strength corresponding to the RE in the matching pattern.
  • reporting the measurement result to the network device includes: reporting the characteristics of the matching pattern to the network device.
  • the processing module is further configured to determine the mean value of the signal strength measured on the RE corresponding to each matching pattern; determine the target pattern corresponding to the mean value greater than the preset mean threshold; determine the The cell identity corresponding to the CRS sequence measured in the RE of the target pattern; wherein the sending module is configured to report the cell identity to the network device.
  • the processing module is further configured to determine the CRS pattern that needs to perform rate matching based on the indication information sent by the network device.
  • FIG 11 is a schematic block diagram of a measurement result receiving device according to an embodiment of the present disclosure.
  • the measurement result receiving device shown in this embodiment can be a network device, or a device composed of modules in the network device.
  • the network device can communicate with a terminal.
  • the terminal includes but is not limited to mobile phones, tablet computers, and wearable devices. , sensors, Internet of Things equipment and other communication devices.
  • the network equipment includes but is not limited to network equipment in 4G, 5G, 6G and other communication systems, such as base stations, core networks, etc.
  • the measurement result receiving device may include:
  • the receiving module 1101 is configured to receive measurement results obtained by measuring the signal strength of the cell reference signal CRS by the terminal, where the measurement results are used to assist in determining the CRS pattern for rate matching by the terminal.
  • the apparatus further includes: a sending module configured to configure a resource range for measuring the signal strength of the CRS for the terminal.
  • the resource range includes a time domain resource range, wherein signals or data other than CRS are not sent to the terminal within the time domain resource range.
  • the device further includes: a sending module configured to indicate the CRS pattern to be tested to the terminal through signaling, wherein the CRS pattern to be tested is used for the terminal to determine the measurement result. .
  • the device further includes: a processing module configured to determine the CRS pattern for rate matching by the terminal based on the measurement results; a sending module configured to send indication information to the terminal, wherein, The indication information is used to indicate the CRS pattern for which rate matching needs to be performed.
  • the device embodiment since it basically corresponds to the method embodiment, please refer to the partial description of the method embodiment for relevant details.
  • the device embodiments described above are only illustrative.
  • the modules described as separate components may or may not be physically separated.
  • the components shown as modules may or may not be physical modules, that is, they may be located in One place, or it can be distributed to multiple network modules. Some or all of the modules can be selected according to actual needs to achieve the purpose of the solution of this embodiment. Persons of ordinary skill in the art can understand and implement the method without any creative effort.
  • An embodiment of the present disclosure also provides a communication device, including: a processor; a memory for storing a computer program; wherein, when the computer program is executed by the processor, the measurement result reporting described in any of the above embodiments is implemented method.
  • An embodiment of the present disclosure also provides a communication device, including: a processor; a memory for storing a computer program; wherein, when the computer program is executed by the processor, the measurement result reception described in any of the above embodiments is implemented method.
  • An embodiment of the present disclosure also provides a computer-readable storage medium for storing a computer program.
  • the computer program is executed by a processor, the measurement result reporting method described in any of the above embodiments is implemented.
  • Embodiments of the present disclosure also provide a computer-readable storage medium for storing a computer program.
  • the computer program is executed by a processor, the measurement result receiving method described in any of the above embodiments is implemented.
  • FIG. 12 is a schematic block diagram of a device 1200 for receiving measurement results according to an embodiment of the present disclosure.
  • Apparatus 1200 may be provided as a base station.
  • apparatus 1200 includes a processing component 1222, a wireless transmit/receive component 1224, an antenna component 1226, and a signal processing portion specific to the wireless interface.
  • the processing component 1222 may further include one or more processors.
  • One of the processors in the processing component 1222 may be configured to implement the measurement result receiving method described in any of the above embodiments.
  • Figure 13 is a schematic block diagram of a device 1300 for reporting measurement results according to an embodiment of the present disclosure.
  • device 1300 may be a mobile phone, computer, digital broadcast terminal, messaging device, game console, tablet device, medical device, fitness device, personal digital assistant, or the like.
  • the apparatus 1300 may include one or more of the following components: a processing component 1302 , a memory 1304 , a power supply component 1306 , a multimedia component 1308 , an audio component 1310 , an input/output (I/O) interface 1312 , a sensor component 1314 , and Communication component 1316.
  • a processing component 1302 a memory 1304 , a power supply component 1306 , a multimedia component 1308 , an audio component 1310 , an input/output (I/O) interface 1312 , a sensor component 1314 , and Communication component 1316.
  • Processing component 1302 generally controls the overall operations of device 1300, such as operations associated with display, phone calls, data communications, camera operations, and recording operations.
  • the processing component 1302 may include one or more processors 1320 to execute instructions to complete all or part of the steps of the above-mentioned measurement result reporting method.
  • processing component 1302 may include one or more modules that facilitate interaction between processing component 1302 and other components.
  • processing component 1302 may include a multimedia module to facilitate interaction between multimedia component 1308 and processing component 1302.
  • Memory 1304 is configured to store various types of data to support operations at device 1300 . Examples of such data include instructions for any application or method operating on device 1300, contact data, phonebook data, messages, pictures, videos, etc.
  • Memory 1304 may be implemented by any type of volatile or non-volatile storage device, or combination thereof, such as static random access memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EEPROM), Programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic or optical disk.
  • SRAM static random access memory
  • EEPROM electrically erasable programmable read-only memory
  • EEPROM erasable programmable read-only memory
  • EPROM Programmable read-only memory
  • PROM programmable read-only memory
  • ROM read-only memory
  • magnetic memory flash memory, magnetic or optical disk.
  • Power supply component 1306 provides power to various components of device 1300.
  • Power supply components 1306 may include a power management system, one or more power supplies, and other components associated with generating, managing, and distributing power to device 1300 .
  • Multimedia component 1308 includes a screen that provides an output interface between the device 1300 and the user.
  • the screen may include a liquid crystal display (LCD) and a touch panel (TP). If the screen includes a touch panel, the screen may be implemented as a touch screen to receive input signals from the user.
  • the touch panel includes one or more touch sensors to sense touches, swipes, and gestures on the touch panel. The touch sensor may not only sense the boundary of a touch or slide action, but also detect the duration and pressure associated with the touch or slide action.
  • multimedia component 1308 includes a front-facing camera and/or a rear-facing camera.
  • the front camera and/or the rear camera may receive external multimedia data.
  • Each front-facing camera and rear-facing camera can be a fixed optical lens system or have a focal length and optical zoom capabilities.
  • Audio component 1310 is configured to output and/or input audio signals.
  • audio component 1310 includes a microphone (MIC) configured to receive external audio signals when device 1300 is in operating modes, such as call mode, recording mode, and speech recognition mode. The received audio signals may be further stored in memory 1304 or sent via communication component 1316 .
  • audio component 1310 also includes a speaker for outputting audio signals.
  • the I/O interface 1312 provides an interface between the processing component 1302 and peripheral interface modules, which may be keyboards, click wheels, buttons, etc. These buttons may include, but are not limited to: Home button, Volume buttons, Start button, and Lock button.
  • Sensor component 1314 includes one or more sensors that provide various aspects of status assessment for device 1300 .
  • the sensor component 1314 can detect the open/closed state of the device 1300, the relative positioning of components, such as the display and keypad of the device 1300, and the sensor component 1314 can also detect a change in position of the device 1300 or a component of the device 1300. , the presence or absence of user contact with device 1300 , device 1300 orientation or acceleration/deceleration and temperature changes of device 1300 .
  • Sensor assembly 1314 may include a proximity sensor configured to detect the presence of nearby objects without any physical contact.
  • Sensor assembly 1314 may also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications.
  • the sensor component 1314 may also include an acceleration sensor, a gyroscope sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.
  • Communication component 1316 is configured to facilitate wired or wireless communication between apparatus 1300 and other devices.
  • Device 1300 can access a wireless network based on a communication standard, such as WiFi, 2G, 3G, 4G LTE, 5G NR, or a combination thereof.
  • the communication component 1316 receives broadcast signals or broadcast related information from an external broadcast management system via a broadcast channel.
  • the communications component 1316 also includes a near field communications (NFC) module to facilitate short-range communications.
  • NFC near field communications
  • the NFC module can be implemented based on radio frequency identification (RFID) technology, infrared data association (IrDA) technology, ultra-wideband (UWB) technology, Bluetooth (BT) technology and other technologies.
  • RFID radio frequency identification
  • IrDA infrared data association
  • UWB ultra-wideband
  • Bluetooth Bluetooth
  • apparatus 1300 may be configured by one or more application specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field programmable Gate array (FPGA), controller, microcontroller, microprocessor or other electronic components are implemented to perform the above measurement result reporting method.
  • ASICs application specific integrated circuits
  • DSPs digital signal processors
  • DSPDs digital signal processing devices
  • PLDs programmable logic devices
  • FPGA field programmable Gate array
  • controller microcontroller, microprocessor or other electronic components are implemented to perform the above measurement result reporting method.
  • a non-transitory computer-readable storage medium including instructions such as a memory 1304 including instructions.
  • the instructions can be executed by the processor 1320 of the device 1300 to complete the above measurement result reporting method.
  • the non-transitory computer-readable storage medium may be ROM, random access memory (RAM), CD-ROM, magnetic tape, floppy disk, optical data storage device, etc.

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  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
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Abstract

La présente divulgation concerne un procédé et un appareil de rapport de résultat de mesure, un procédé et un appareil de réception de résultat de mesure, un appareil de communication et un support de stockage. Le procédé de rapport de résultat de mesure comprend les étapes consistant à : mesurer l'intensité d'un signal CRS de façon à obtenir un résultat de mesure ; et rapporter le résultat de mesure à un dispositif de réseau, le résultat de mesure étant utilisé pour aider le dispositif de réseau à déterminer un modèle de CRS pour qu'un terminal effectue une adaptation de débit (RM). D'après la présente divulgation, un terminal peut mesurer l'intensité d'un signal CRS et rapporter un résultat de mesure à un dispositif de réseau. Le dispositif de réseau peut donc déterminer en fonction du résultat de mesure un modèle de CRS ayant un degré relativement élevé d'interférence sur un canal physique de liaison descendante, puis ordonner au terminal d'effectuer une RM sur le modèle de CRS ayant le degré d'interférence relativement élevé. Par conséquent, le terminal peut effectuer une RM uniquement sur le modèle de CRS ayant le degré d'interférence relativement élevé et n'a pas à effectuer de RM sur un modèle de CRS ayant un degré d'interférence relativement faible, ce qui réduit le nombre de modèles de CRS devant faire l'objet d'une RM, atténue une limitation de la capacité d'un canal physique de liaison descendante et contribue à une amélioration de la flexibilité des performances et de la planification d'un système NR.
PCT/CN2022/108047 2022-07-26 2022-07-26 Procédé et appareil de rapport de résultat de mesure, procédé et appareil de réception de résultat de mesure, appareil de communication et support de stockage WO2024020810A1 (fr)

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PCT/CN2022/108047 WO2024020810A1 (fr) 2022-07-26 2022-07-26 Procédé et appareil de rapport de résultat de mesure, procédé et appareil de réception de résultat de mesure, appareil de communication et support de stockage

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