Measurement method and device, terminal, network equipment and storage medium
The terminal performs L1 measurement and sends and receives time difference information, and the network filters the target cell or frequency point to measure, solving the problem that the mobility multi-frequency point/cell measurement requirements do not match the measurement capabilities of the terminal L1, reducing the delay and signaling overhead.
Patent Information
- Application Number
- CN202410014694.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-04
- Publication Date
- 2025-07-04
AI Technical Summary
In the prior art, the inter-cell mobility mechanism based on L1 has the problem that the mobility multi-frequency point/cell measurement requirements do not match the measurement capabilities of the terminal L1, resulting in an increase in delay and signaling overhead.
The terminal performs L1 measurement and sends information related to the reception time difference and measurement to the network. The network filters potential measurement target cells or frequency points based on this information to improve the focus of L1 measurement.
By screening and focusing L1 measurements, the matching degree between the mobility multi-frequency point/cell measurement requirements and the measurement capabilities of the terminal L1 is improved, and the delay and signaling overhead are reduced.
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Figure CN120264362A_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of communication technologies, and in particular, to a measurement method, apparatus, terminal, network device, and storage medium. Background Art
[0002] In related technologies, a cell - to - cell mobility mechanism based on Layer 1 (L1) is used to reduce the latency and signaling overhead caused by cell handover. However, there is a problem of mismatch between the mobility multi - frequency - point / cell measurement requirements and the terminal's L1 measurement capabilities. Summary of the Invention
[0003] To solve the related technical problems, embodiments of this application provide a measurement method, apparatus, terminal, network device, and storage medium.
[0004] The technical solution of the embodiments of this application is implemented as follows:
[0005] Embodiments of this application provide a measurement method applied to a terminal. The method includes at least one of the following:
[0006] Perform L1 measurement;
[0007] Send first information to the network, where the first information is related to the reception time difference;
[0008] Send second information to the network, where the second information is related to reporting and / or measurement.
[0009] In the above solution, the performing L1 measurement includes:
[0010] Perform Layer 3 (L3) reporting and / or report L3 measurement results.
[0011] In the above solution, the performing L1 measurement includes at least one of the following:
[0012] Perform L1 measurement for a cell or frequency point where the L3 measurement result is greater than or equal to a first threshold;
[0013] Perform L1 measurement for a cell or frequency point where the signal quality of a neighboring cell is at least higher than a second threshold compared to the signal quality of the serving cell.
[0014] In the above solution, the method further includes:
[0015] Receive third information sent by the network, where the third information includes at least one of a cell identifier, frequency point, and Synchronization Signal Block (SSB) for performing L1 measurement.
[0016] In the above solution, the first information is used to indicate at least one of the following:
[0017] The terminal supports receiving a time difference greater than the cyclic prefix (CP).
[0018] The terminal does not support receiving a time difference greater than the CP.
[0019] The terminal supports receiving a time difference less than or equal to the CP.
[0020] The terminal supports simultaneous measurement of asynchronous cells.
[0021] The terminal does not support simultaneous measurement of asynchronous cells.
[0022] The terminal supports simultaneous L1 measurement of cells with a received time difference greater than the CP.
[0023] The terminal supports or does not support simultaneous L1 measurement of cells with a received time difference greater than the CP.
[0024] In the above solution, the first information is used to indicate at least one of the following:
[0025] Simultaneous L1 measurement of N cells with a received time difference greater than the CP, where N is an integer greater than 1;
[0026] Simultaneous L1 measurement of N cells with a received time difference greater than the CP on the same symbol, where N is an integer greater than 1.
[0027] In the above solution, the second information includes at least one of the following:
[0028] The maximum number of cells measured;
[0029] The maximum number of frequency points measured;
[0030] The maximum value of the number of cells reported;
[0031] The maximum value of the number of beams reported;
[0032] The maximum value of the product of the number of cells reported and the number of beams;
[0033] The number of cells measured;
[0034] The number of frequency points measured;
[0035] The number of cells reported;
[0036] The number of beams reported.
[0037] In the above solution, the second information includes at least one of the following:
[0038] Reference Signal Receiving Power (RSRP);
[0039] SSB index;
[0040] Channel State Information-Reference Signal (CSI-RS) index;
[0041] Cell identifier.
[0042] In the above solution, the method further includes:
[0043] Receiving fourth information sent by the network, where the fourth information includes at least one of the following:
[0044] The correspondence between the SSB index and the cell identifier;
[0045] The correspondence between the CSI-RS index and the cell identifier.
[0046] In the above solution, the method further includes at least one of the following:
[0047] Not receiving a Physical Downlink Control Channel (PDCCH) and / or a Physical Downlink Shared Channel (PDSCH) and / or CSI-RS for tracking and / or CSI-RS for Channel Quality Indicator (CQI) on an SSB configured for L1-RSRP measurement;
[0048] Not sending a Physical Uplink Shared Channel (PUSCH) and / or a Physical Uplink Control Channel (PUCCH) and / or a Sounding Reference Signal (SRS) on an SSB configured for L1-RSRP measurement;
[0049] Not receiving a PDCCH and / or a PDSCH and / or CSI-RS for tracking and / or CSI-RS for CQI on a symbol before an SSB configured for L1-RSRP measurement;
[0050] Not sending a PUSCH and / or a PUCCH and / or an SRS on a symbol before an SSB configured for L1-RSRP measurement;
[0051] Do not receive PDCCH and / or PDSCH and / or CSI-RS for tracking and / or CSI-RS for CQI on a symbol after the SSB configured for L1-RSRP measurement;
[0052] Do not transmit PUSCH and / or PUCCH and / or SRS on a symbol after the SSB configured for L1-RSRP measurement.
[0053] In the above solution, the method further includes:
[0054] Send fifth information to the network, where the fifth information is used to indicate at least one of the following:
[0055] Support using L3 measurement results in L1 reporting;
[0056] Do not support using L3 measurement results in L1 reporting.
[0057] In the above solution, the method further includes:
[0058] Receive sixth information sent by the network, where the sixth information is used to indicate that the measurement target is for L1 measurement.
[0059] In the above solution, the method further includes:
[0060] Prioritize measuring the measurement target for L1 measurement.
[0061] An embodiment of this application further provides a measurement method, including:
[0062] Receive the first information and / or the second information sent by the terminal, where the first information is related to the reception time difference, and the second information is related to reporting and / or measurement.
[0063] In the above solution, the method further includes:
[0064] Send third information to the terminal, where the third information includes at least one of the cell identifier, frequency point, and SSB for L1 measurement.
[0065] In the above solution, the method further includes:
[0066] Send fourth information to the terminal, where the fourth information includes at least one of the following:
[0067] The correspondence between the SSB index and the cell identifier;
[0068] The correspondence between the CSI-RS index and the cell identifier.
[0069] In the above solution, the method further includes:
[0070] Receive the fifth information sent by the terminal, where the fifth information is used to indicate at least one of the following:
[0071] Support using L3 measurement results in L1 reporting;
[0072] Do not support using L3 measurement results in L1 reporting.
[0073] In the above solution, the method further includes:
[0074] Send the sixth information to the terminal, where the sixth information is used to indicate that the measurement target is for L1 measurement.
[0075] An embodiment of the present application further provides a measurement device, including:
[0076] A measurement unit, configured to perform L1 measurement; and / or
[0077] A first sending unit, configured to send the first information and / or the second information to the network, where the first information is related to the reception time difference, and the second information is related to reporting and / or measurement.
[0078] An embodiment of the present application further provides a measurement device, including:
[0079] A first receiving unit, configured to receive the first information and / or the second information sent by the terminal, where the first information is related to the reception time difference, and the second information is related to reporting and / or measurement.
[0080] An embodiment of the present application further provides a terminal, including a first processor and a first communication interface, where
[0081] The first processor is configured to perform L1 measurement;
[0082] The first communication interface is configured to send the first information and / or the second information to the network, where the first information is related to the reception time difference, and the second information is related to reporting and / or measurement.
[0083] An embodiment of the present application further provides a network device, including a second processor and a second communication interface, where
[0084] The second communication interface is configured to receive the first information and / or the second information sent by the terminal, where the first information is related to the reception time difference, and the second information is related to reporting and / or measurement.
[0085] An embodiment of the present application further provides a terminal, including a first processor and a first memory for storing a computer program that can run on the first processor; where, when the first processor is used to run the computer program, it executes the steps of any of the above methods on the terminal side.
[0086] An embodiment of the present application further provides a network device, including a second processor and a second memory for storing a computer program that can run on the second processor.
[0087] Wherein, when the second processor is used to run the computer program, it executes the steps of any one of the above methods on the network side.
[0088] An embodiment of the present application further provides a storage medium, on which a computer program is stored. When the computer program is executed by a processor, it implements the steps of any one of the above methods on the terminal side, or implements the steps of any one of the above methods on the network side.
[0089] In the measurement method, device, terminal, network device, and storage medium provided by the embodiments of the present application, the terminal performs L1 measurement, and / or sends first information and / or second information to the network. The first information is related to the reception time difference, and the second information is related to reporting and / or measurement; the network receives the first information and / or second information sent by the terminal. In the above solution, the terminal sends the first information and / or second information to the network side, which can enable the network side to filter the cells / frequency points for subsequent L1 measurement according to the first information and / or second information, making the L1 measurement more focused. Thus, the terminal can use its limited L1 measurement ability for measuring potential target cells, improving the matching degree between the mobility multi-frequency point / cell measurement requirements and the terminal's L1 measurement ability. Description of the Drawings
[0090] Figure 1 It is a schematic flowchart of a measurement method according to an embodiment of the present application;
[0091] Figure 2 It is a schematic flowchart of a measurement method according to an embodiment of the present application;
[0092] Figure 3 It is a schematic structural diagram of a measurement device according to an embodiment of the present application;
[0093] Figure 4 It is a schematic structural diagram of a measurement device according to an embodiment of the present application;
[0094] Figure 5 It is a schematic structural diagram of a terminal according to an embodiment of the present application;
[0095] Figure 6 It is a schematic structural diagram of a network device according to an embodiment of the present application. Detailed Embodiments
[0096] In the prior art, mobility management is generally as follows: The base station performs handover to a target cell based on the layer 3 (L3) measurement results reported by the terminal, and then configures the Transmission Configuration Indicator (TCI) state based on the beam management reporting results in the target cell through a Radio Resource Control (RRC) reconfiguration message, enabling the terminal to select an appropriate downlink beam for data reception. The above beam management, such as L1-Reference Signal Receiving Power (RSRP) and L1-Signal to Interference plus Noise Ratio (SINR), is only performed in the serving cell, and the terminal does not need to perform relevant measurements on neighboring cells for beam management.
[0097] To reduce the latency and signaling overhead caused by cell handover, one research direction is to carry out L1-based inter-cell mobility; L1-based inter-cell mobility can be understood as that the upper layer is unaware of the cell handover based on the lower layer or the beam handover to neighboring cells. For L1-based inter-cell mobility, the terminal needs to perform L1 measurements and reports on neighboring cells (non-serving cells) / adjacent frequencies. Based on different terminal implementations, a mainstream implementation method is to integrate the L1 measurement module into the demodulation module, but this method is limited by factors such as cost and complexity, and usually only supports scenarios with good synchronization or a very limited number of neighboring cells for L1 measurement; however, the mobility scenario requires the terminal to be able to perform L1 measurements on multiple frequencies / cells. That is to say, there is a contradiction between the mobility multi-frequency / cell measurement requirement and the terminal's L1 measurement ability, and there is a mismatch problem between the mobility multi-frequency / cell measurement requirement and the terminal's L1 measurement ability.
[0098] Based on this, in various embodiments of the present application, the terminal performs L1 measurements, and / or sends a first message and / or a second message to the network side, where the first message is related to the reception time difference, and the second message is related to reporting and / or measurement; the network side receives the first message and / or the second message sent by the terminal. In the above solution, the terminal sending the first message and / or the second message to the network side can enable the network side to filter the cells / frequencies for subsequent L1 measurements according to the first message and / or the second message, making the L1 measurements more focused, so that the terminal can use its limited L1 measurement ability for measurements on potential target cells, improving the matching degree between the mobility multi-frequency / cell measurement requirement and the terminal's L1 measurement ability.
[0099] The following further describes the present application in detail with reference to the drawings and embodiments.
[0100] An embodiment of the present application provides a measurement method, which is applied to a terminal. A terminal is also referred to as a user equipment (UE), such as Figure 1 shown. The method includes:
[0101] Step 101: Perform L1 measurement; and / or
[0102] Send a first piece of information to the network, where the first piece of information is related to the reception time difference; and / or
[0103] Send a second piece of information to the network, where the second piece of information is related to reporting and / or measurement.
[0104] Here, the L1 measurement includes at least one of L1-RSRP and L1-signal to interference plus noise ratio (SINR). That is to say, the L1 measurement includes L1-RSRP measurement, and / or, L1-SINR measurement.
[0105] The L1 measurement includes at least one of intra-frequency L1 measurement and inter-frequency L1 measurement. The L1 measurement is related to L1 / L2 triggered mobility (LTM). The L1 / L2 triggered mobility can be described as layer 1 measurement for L1 / L2 triggered mobility. L1 / L2 can also be described as L1-L2.
[0106] The network can be described as a network side device or a network device. The network side device or the network device includes a base station.
[0107] The receive time difference is the time difference of a terminal receiving two cells, or can be described as the difference in the receive times of two cells, or can be described as the time difference of a terminal's reception of different cells. The receive time difference can also be extended to the time difference of more than two cells. The receive time difference at least includes the receive time difference between a neighboring cell (or described as a target cell) and a serving cell (usually used in the same-frequency scenario), and the time difference between two cells on the same frequency point (or described as the time difference between a target cell and a reference cell, usually used in the different-frequency scenario). That is to say, the receive time difference at least includes the receive time difference between a neighboring cell and a serving cell, and / or the time difference between two cells on the same frequency point. Among them, in the same-frequency scenario or the same-frequency measurement scenario, the receive time difference can include the receive time difference between a neighboring cell and a serving cell, and / or the receive time difference between a neighboring cell and a serving cell on the same frequency point; the receive time difference between a neighboring cell and a serving cell can be described as the receive time difference between a target cell and a serving cell. In the different-frequency scenario or the different-frequency measurement scenario, the receive time difference includes the time difference between two cells on the same frequency point; the time difference between two cells on the same frequency point can also be described as the receive time difference between a target cell and a reference cell.
[0108] Reporting can be described as measurement reporting, or the reporting of measurement results, and at least includes the reporting of L1 measurement results. The reporting at least includes the reporting of L1 measurement results. A cell can be identified by a Physical Cell ID (PCI), a frequency point can be identified by an Absolute Radio Frequency Channel Number (ARFCN), and an SSB can be identified by an SSB index.
[0109] Considering that the L1 measurement of neighboring cells of some terminals is limited by factors such as cost and complexity, usually only the scenario with good synchronization can be supported, or the number of neighboring cells supported for L1 measurement is very limited. Based on this, in order to facilitate the network to screen cells or frequency points for L1 measurement and enable the terminal to use its limited L1 measurement capability for the measurement of potential target cells, in one embodiment, the first information is used to indicate at least one of the following:
[0110] The terminal supports a receive time difference greater than the CP;
[0111] The terminal does not support a receive time difference greater than the CP;
[0112] The terminal supports a receive time difference less than or equal to the CP;
[0113] The terminal supports the simultaneous measurement of non-synchronous cells;
[0114] The terminal does not support the simultaneous measurement of non-synchronous cells;
[0115] The terminal supports performing L1 measurements on cells with a received time difference greater than the CP simultaneously;
[0116] Whether the terminal supports performing L1 measurements on cells with a received time difference greater than the CP simultaneously.
[0117] Here, whether the terminal supports a received time difference greater than the CP, whether it supports simultaneous measurements of asynchronous cells, and whether it supports performing L1 measurements on cells with a received time difference greater than the CP are related to the terminal's implementation algorithm and processing capabilities; different terminals have different methods for performing L1 measurements, which will affect the performance of L1 measurements supported by the terminal, such as the number of cells measured, measurement delay, etc., scheduling opportunities (scheduling opportunities can also be described as scheduling idle), measurement limitations, etc. If the terminal supports a received time difference greater than the CP, then it can be assumed that the terminal supports at least 2 Fast Fourier Transforms (FFTs), and the terminal can perform measurements on at least 2 cells simultaneously, and it may not be necessary to filter L1 measurements through L3 measurements. If the terminal does not support a received time difference greater than the CP (or described as the received time difference supported by the terminal is not greater than the CP), then it can be assumed that the terminal has only 1 FFT, and only 1 cell can be measured at a time, and measurements of multiple cells need to be completed serially, resulting in a larger measurement delay. This received time difference information is reported to the network, which can assist the network in determining the measurement delay of the terminal and determining how to perform data scheduling, etc.; this received time difference information includes at least one of the following: the terminal supports a received time difference greater than the CP, the terminal does not support a received time difference greater than the CP, the terminal supports a received time difference less than or equal to the CP, the terminal supports performing L1 measurements on cells with a received time difference greater than the CP simultaneously, whether the terminal supports performing L1 measurements on cells with a received time difference greater than the CP simultaneously.
[0118] The terminal supports a received time difference greater than the CP, which can also be described as the terminal supports performing measurements on cells with a received time difference greater than the CP.
[0119] Simultaneous measurements of asynchronous cells can also be described as simultaneous measurements of asynchronous cells on the same frequency band. If the terminal supports simultaneous measurements of asynchronous cells, compared to not supporting simultaneous measurements of asynchronous cells, the measurement can be completed faster and the measurement delay can be reduced.
[0120] The terminal supports performing L1 measurements on cells with a received time difference greater than the CP simultaneously, which can also be described as for cells with a received time difference greater than the CP, the terminal supports performing L1 measurements on them simultaneously.
[0121] It should be noted that the received time difference is related to at least one of the following: cell synchronization status (whether the cell is a synchronous cell), the transmission delay or transmission delay difference from the cell to the terminal.
[0122] To facilitate the network side to screen cells or frequency points for L1 measurement and enable the terminal to use its limited L1 measurement capabilities for potential target cell measurements, in one embodiment, the first information is used to indicate at least one of the following:
[0123] Simultaneously perform L1 measurements on N cells with a reception time difference greater than the CP, where N is an integer greater than 1;
[0124] Perform L1 measurements on N cells with a reception time difference greater than the CP on the same symbol, where N is an integer greater than 1.
[0125] Simultaneously performing L1 measurements on N cells with a reception time difference greater than the CP can also be described as: supporting simultaneous L1 measurements on more than 1 cell with a reception time difference greater than the CP.
[0126] To facilitate the network side to screen cells or frequency points for L1 measurement, in one embodiment, the second information includes at least one of the following:
[0127] The maximum number of cells to be measured;
[0128] The maximum number of frequency points to be measured;
[0129] The maximum value of the number of cells to be reported;
[0130] The maximum value of the number of beams to be reported;
[0131] The maximum value of the product of the number of cells to be reported and the number of beams;
[0132] The number of cells to be measured;
[0133] The number of frequency points to be measured;
[0134] The number of cells to be reported;
[0135] The number of beams to be reported.
[0136] Here, the terminal can report its measurement capabilities and / or reporting capabilities to the network. The measurement capabilities can include at least one of the following: the maximum number of cells to be measured, the maximum number of frequency points to be measured, the number of cells to be measured, the number of frequency points to be measured. The reporting capabilities can include at least one of the following: the maximum value of the number of cells to be reported, the maximum value of the number of beams to be reported, the maximum value of the product of the number of cells to be reported and the number of beams, the number of cells to be reported, the number of beams to be reported.
[0137] The maximum number of measured cells can be described as the maximum value of the number of measured cells, or as the maximum value of the number of cells measured by Layer 1 (L1). Further, the maximum number of measured cells can also be described as the number of measured cells. The number of measured cells can be understood as the number of cells that the terminal supports for L1 measurement, or is represented by the maximum value of the number of cells that the terminal supports for L1 measurement; because the terminal processing capacity is limited and it cannot perform L1 measurements on a large number of cells, through this information (the maximum number of measured cells), the network can be notified of the number of cells that the terminal supports for Layer 1 measurement. The number of cells configured by the network cannot exceed the maximum number of measured cells. The maximum number of measured cells can also be described as: the maximum value of the number of candidate cells configured by RRC for L1-RSRP measurement.
[0138] The maximum number of measured frequency points can be described as the maximum value of the number of measured frequency points, or as the maximum value of the number of frequency points measured by L1. Further, the maximum number of measured frequency points can also be described as the number of measured frequency points. The number of measured frequency points can be understood as the number of frequency points that the terminal supports for Layer 1 measurement, or is represented by the maximum number of frequency points that the terminal supports for L1 measurement; because the terminal processing capacity is limited and it cannot perform L1 measurements on a large number of frequency points, through this information (the number of measured frequency points), the network can be notified of the number of frequency points that the terminal supports for Layer 1 measurement, and the number of frequency points configured by the network cannot exceed this value. The maximum number of measured frequency points can also be described as: the maximum value of the number of frequency points configured by RRC for L1-RSRP measurement.
[0139] The maximum value of the number of reported cells can be described as the maximum value of the number of supported reported cells, or as the maximum value of the number of cells supported in one report, or as the number of reported cells. The terminal reports the measurement results of L1 measurement. The maximum value of the number of reported cells can be understood as: the maximum value of the number of cells that the terminal supports for L1 reporting. For example, if the value of the maximum number of reported cells is M, then it can be understood that the number of cells reported by the terminal for L1 measurement does not exceed M. Due to resource and signaling overhead limitations, the terminal does not necessarily need to report all the cell results of the measured cells. For example, if P cells are measured, the terminal will at most report the results of M cells, where M ≤ P. This information (the maximum value of the number of reported cells) can assist the network in knowing the number of cells that the terminal can report, and then making corresponding resource configurations.
[0140] The maximum number of reported beams can be described as the maximum number of beams supported for reporting, or as the maximum number of beams supported in one report, or as the number of reported beams. The maximum number of reported beams includes at least the maximum number of reported beams per cell and the maximum number of reported beams for M cells. The terminal reports the measurement results of L1 measurements. The maximum number of reported beams can be understood as: the maximum number of beams supported by the terminal for L1 reporting. For example, if the value of the maximum number of reported beams is L, it can be understood that the number of beams reported by the terminal for L1 measurement does not exceed L. Due to resource and signaling overhead limitations, the terminal does not necessarily need to report all the L1-RSRP of the measured beams. This information (the maximum number of reported beams) can assist the network in knowing the number of cells that the terminal can report, and then performing corresponding resource allocation.
[0141] The maximum value of the product of the number of reported cells and the number of beams is not necessarily the product of "the maximum number of reported cells" and "the maximum number of reported beams", and may be less than the product of the two.
[0142] The number of measured cells can be described as the number of cells measured for L1-RSRP, or as the number of neighboring cells measured for L1-RSRP. The number of measured cells includes at least one of the number of co-frequency cells and the number of different-frequency cells.
[0143] To facilitate the network in screening cells or frequency points for L1 measurement, in one embodiment, the second information includes at least one of the following:
[0144] RSRP;
[0145] SSB index;
[0146] CSI-RS index;
[0147] Cell identifier.
[0148] Here, the measurement report or measurement results reported by the terminal to the network may include at least one of the following: RSRP, SSB index, CSI-RS index, cell identifier.
[0149] RSRP includes absolute RSRP and / or differential RSRP. Absolute RSRP is usually the highest RSRP. Differential RSRP is the difference between the RSRP of other beams and the highest RSRP. This scheme can reduce the number of bits of information reported and reduce signaling overhead.
[0150] The SSB index can be described as a resource indicator (SSBRI, SS / PBCH Block Resource Indicator), or described as an SSB number. Specifically, the SSB number can be the numbering of a total of K beams of M cells.
[0151] The cell identifier can be the PCI.
[0152] In one embodiment, the performing L1 measurement includes:
[0153] Performing L3 reporting and / or reporting L3 measurement results.
[0154] Here, for the problem of mismatch between the mobility multi-frequency point / cell measurement requirements and the terminal's L1 measurement capabilities, L3 measurement is used to filter for subsequent L1 measurement, reducing the targets of L1 measurement (the targets can be described as measurement targets), and the targets include the number of cells, frequency points, and beams, making the L1 measurement more focused and using the terminal's limited measurement capabilities for the measurement of potential target cells. The gain of this solution is that the network can configure multiple candidate cells, but the terminal can first perform L3 measurement, and after screening based on the L3 results (either based on the terminal's autonomous determination or based on network indication), the terminal further converges to perform L1 measurement on potential candidate targets. L3 measurement can also be described as radio resource management (RRM) measurement, or mobility measurement, or described as the measurement of a measurement target or measurement object (MO). The MO can also be described as a frequency point.
[0155] It should be noted that the module for the terminal to perform L3 measurement is usually independent of the demodulation module. The L3 measurement of neighboring cells is not restricted by strict timing synchronization and can also support the L3 measurement of multiple cells. The module for the terminal to perform L1 measurement can be integrated into the demodulation module. The L3 measurement results can include at least one of the reference signal receiving quality (RSRQ), RSRP, and SINR of the measurement target or target (cell, frequency point, beam).
[0156] In the case where the terminal has performed L3 measurement of L1-triggered mobility and obtained L3 measurement results, or based on the terminal's L3 reporting and / or reporting L3 measurement results, the terminal can autonomously decide the cell or frequency point for L1 measurement according to the L3 measurement results. Based on this, in one embodiment, the performing L1 measurement includes at least one of the following:
[0157] Performing L1 measurement on cells or frequency points for which the L3 measurement results are greater than or equal to a first threshold;
[0158] Perform L1 measurement on a cell or frequency point whose neighbor cell L3 signal quality is at least higher than the second threshold than that of the serving cell.
[0159] Here, the terminal can determine, according to the L3 measurement result, a cell or frequency point whose L3 measurement result is greater than or equal to the first threshold, and perform L1 measurement on the cell or frequency point whose L3 measurement result is greater than or equal to the first threshold. For a cell or frequency point whose L3 measurement result is less than the first threshold, the terminal does not perform L1 measurement. The cell can be described as a neighbor cell, a co-frequency neighbor cell, a different-frequency neighbor cell, or a candidate cell for L1-triggered mobility, and the candidate cell is a cell other than the serving cell. The frequency point can be described as the frequency point of a co-frequency neighbor cell, the frequency point of a different-frequency neighbor cell, or a candidate frequency point for L1-triggered mobility, and the candidate frequency point is a frequency point other than the frequency point of the serving cell.
[0160] The terminal can also determine, according to the L3 measurement result, a cell or frequency point whose neighbor cell L3 signal quality is at least higher than (higher can be described as higher than) the second threshold than that of the serving cell, and perform L1 measurement on the cell or frequency point whose neighbor cell L3 signal quality is at least higher than the second threshold than that of the serving cell. For a cell whose neighbor cell L3 signal quality is less than the second threshold than that of the serving cell, the terminal does not perform L1 measurement.
[0161] To successfully perform L1-RSRP measurement and minimize data packet loss as much as possible during the execution of L1-RSRP measurement to improve the reliability of data transmission, in one embodiment, the method further includes at least one of the following:
[0162] Do not receive PDCCH and / or PDSCH and / or CSI-RS for tracking and / or CSI-RS for CQI on the SSB configured for L1-RSRP measurement;
[0163] Do not send PUSCH and / or PUCCH and / or SRS on the SSB configured for L1-RSRP measurement;
[0164] Do not receive PDCCH and / or PDSCH and / or CSI-RS for tracking and / or CSI-RS for CQI on a symbol before the SSB configured for L1-RSRP measurement;
[0165] Do not send PUSCH and / or PUCCH and / or SRS on a symbol before the SSB configured for L1-RSRP measurement;
[0166] Do not receive PDCCH and / or PDSCH and / or CSI-RS for tracking and / or CSI-RS for CQI on a symbol after an SSB configured for L1-RSRP measurement;
[0167] Do not transmit PUSCH and / or PUCCH and / or SRS on a symbol after an SSB configured for L1-RSRP measurement.
[0168] Here, in the prior art, the terminal only performs L1-RSRP measurement on the serving cell, which does not affect data scheduling. Data scheduling includes at least one of the following: reception of PDSCH, reception of PDCCH, reception of CSI-RS, transmission of PUCCH, transmission of PUSCH, transmission of SRS). However, LTM L1-RSRP performs L1-RSRP measurement on neighboring cells, which includes co-frequency neighboring cells and different-frequency neighboring cells. Due to different arrival times and beam directions of different cells at the terminal, it may not be possible to perform data scheduling of the serving cell when performing L1-RSRP measurement on neighboring cells. This embodiment stipulates the positions where the terminal can refrain from data transceiver, and also assists the network in determining the positions where data scheduling is not performed.
[0169] The SSB configured for L1-RSRP measurement can be described as the configured SSB for L1-RSRP measurement. L1-RSRP measurement can also be described as LTM L1-RSRP measurement.
[0170] The symbol can be described as an Orthogonal Frequency Division Multiplexing (OFDM) symbol.
[0171] Receiving PDCCH and / or PDSCH and / or CSI-RS for tracking and / or CSI-RS for CQI can be understood as receiving at least one of PDCCH, PDSCH, CSI-RS for tracking, and CSI-RS for CQI.
[0172] Transmitting PUSCH and / or PUCCH and / or SRS can be understood as: transmitting at least one of PUSCH, PUCCH, and SRS.
[0173] Transmitting PUSCH and / or PUCCH and / or SRS can be understood as: transmitting at least one of PUCCH, PUSCH, and SRS.
[0174] After the terminal reports the L3 measurement results related to L1-based mobility to the network, the network device also indicates to the terminal the cell, frequency point, or SSB for performing L1 measurement. Based on this, in one embodiment, the method further includes:
[0175] Receive the third information sent by the network, where the third information includes at least one of a cell identifier, a frequency point, and a synchronization signal block (SSB) for L1 measurement.
[0176] Here, the terminal may receive the third information sent by the network before performing L1 measurement.
[0177] As an implementation, based on the L3 measurement results reported by the terminal, the network may screen out the N cells / frequency points / beams with the best RSRP / SINR / RSRQ and configure them for the terminal to perform L1 measurement for mobility. As an implementation, in addition to referring to the L3 measurement results reported by the terminal, the network may also consider factors such as capacity and load, and then determine the M cells / frequency points / beams configured for the terminal to perform L1 measurement; that is, although the channel condition of a cell / frequency point / beam is good, if the load of the cell / frequency point / beam is high, the network may not select this cell / frequency point / beam for the terminal to perform L1 measurement.
[0178] In the embodiments of the present application, the network directly indicates to the terminal the cell identifier and / or frequency point and / or SSB for L1 measurement based on the L3 measurement results. The terminal does not need to screen the cells, frequency points, and SSBs for L1 measurement according to the L3 measurement results, which can reduce the data processing amount of the terminal.
[0179] In one embodiment, the method further includes:
[0180] Receive the fourth information sent by the network, where the fourth information includes at least one of the following:
[0181] The correspondence between the SSB index and the cell identifier;
[0182] The correspondence between the CSI-RS index and the cell identifier.
[0183] Here, the terminal may receive the fourth information sent by the network before performing L1 measurement.
[0184] The correspondence between the SSB index and the cell identifier may also be described as the mapping between the SSB index and the cell identifier, or the correspondence between the SSB and the cell identifier. Specifically, if the network configures M cells (with different physical cell identifiers (PCIs) for different cells), and each cell corresponds to P beams, then the network uniformly numbers the total of M×P SSBs. For example, the SSB is identified by the SSBRI.
[0185] Table 1 shows an example of the mapping relationship between the SSBs of PCI1 and the SSBRI.
[0186] Table 1
[0187] SSB index1 SSBRI = 0 SSB index2 SSBRI = 1 SSB index4 SSBRI = 2
[0188] Table 2 shows an example of the mapping relationship between the SSB of PCI2 and SSBRI.
[0189] Table 2
[0190] SSB index2 SSBRI = 3 SSB index3 SSBRI = 4 SSB index6 SSBRI = 5
[0191] It should be noted that when the terminal obtains the fourth piece of information, the terminal may not report the corresponding cell identifier when reporting the measurement result later, which can reduce the reporting overhead of the terminal. The terminal can know which beam of which cell this SSB (or beam) is according to SSBRI. The RSRP corresponding to SSBRI is the measurement result of the corresponding beam of the corresponding cell.
[0192] Since the L3 measurement for L1-triggered mobility competes with the L3 measurement for handover for measurement resources, in order to facilitate the network to know whether the terminal supports using the L3 measurement result in the L1 report, so that the network can instruct the behavior of the terminal preferentially according to actual requirements. Based on this, in one embodiment, the method further includes:
[0193] Sending a fifth piece of information to the network, where the fifth piece of information is used to indicate at least one of the following:
[0194] Support using the L3 measurement result in the L1 report;
[0195] Do not support using the L3 measurement result in the L1 report.
[0196] Here, the terminal may send the fifth piece of information to the network before performing the L1 measurement.
[0197] The L1 report can be described as the L1 measurement report. When the fifth piece of information indicates that the terminal supports using the L3 measurement result in the L1 report, the terminal can preferentially perform the L3 measurement for L1-triggered mobility. When the fifth piece of information indicates that the terminal does not support using the L3 measurement result in the L1 report, the terminal preferentially performs the L3 measurement for handover. Supporting using the L3 measurement result in the L1 report can be understood as reporting the L3 measurement result in the L1 measurement report.
[0198] The number of frequency points, or the number of cells, or the number of beams for L3 measurements for handover supported by the terminal far exceeds the number of frequency points, or the number of cells, or the number of beams for L3 measurements for mobility triggered by L1 (the possible number is 1 or 2). Taking frequency points as an example, the number of frequency points for L3 measurements for handover supported by the terminal is at least 7 frequency points, and the number of frequency points for L3 measurements for mobility triggered by L1 supported by the terminal is 1 or 2. Since the L3 measurements for mobility triggered by L1 and the L3 measurements for handover will compete for measurement resources, the network can instruct the behavior of the terminal preferentially according to the fifth information. For example, when the mobility requirement is high (when it needs to be completed quickly), the network can instruct the terminal to complete the L3 measurements for mobility triggered by L1 preferentially. When the requirement for robustness is high, the network can instruct the terminal to complete the L3 measurements for handover preferentially.
[0199] In one embodiment, the method further includes:
[0200] Receiving sixth information sent by the network, where the sixth information is used to indicate that the measurement target is for L1 measurement.
[0201] Here, the terminal can receive the sixth information sent by the network before performing the L1 measurement. Among them, the sixth information can be sent based on the fifth information, or can be sent before the terminal performs the L1 measurement; the fifth information can be reported to the network before the terminal performs the L1 measurement. The first information can also be used to indicate that the measurement target is for L3 measurements for mobility triggered by L1. It should be noted that the sixth information can also include the priority of L3 measurements for handover and the priority of L3 measurements for mobility triggered by L1.
[0202] The measurement target can be described as measurement object. The measurement target includes at least one of a cell identifier, a frequency point, and an SSB.
[0203] In the case of receiving the sixth information, the terminal performs the L1 measurement based on the first information. Based on this, in one embodiment, the method further includes:
[0204] Preferentially measuring the measurement target for L1 measurement.
[0205] Here, the measurement target preferentially measured for L1 measurement can be understood as follows: when the measurement target includes the measurement target for L3 measurement and the measurement target for L1 measurement, the measurement target for L1 measurement is preferentially measured. That is to say, the priority of the measurement target for L1 measurement is higher than that of the measurement target for L3 measurement. The measurement target for L1 measurement can be understood as the measurement target of the L3 measurement triggered by L1, or the measurement target that supports both L1 measurement and L3 measurement; the measurement target for L3 measurement can be understood as the measurement target of the L3 measurement for handover, or the measurement target that supports L3 measurement and does not support L1 measurement.
[0206] For example, when the network configures multiple measurement targets, the measurement target for L1 measurement can be determined among the measurement targets configured by the network, and the L3 measurement of the measurement target for L1 measurement is preferentially performed to obtain the L3 measurement result, and the subsequent L1 measurement requirements are reduced based on this L3 measurement result.
[0207] Correspondingly, an embodiment of the present application further provides a measurement method, which is applied to a network, and the network can be described as a network device, a network-side device, a base station, as Figure 2 shown, the method includes:
[0208] Step 201: Receive the first information and / or the second information sent by the terminal.
[0209] Wherein, the first information is related to the reception time difference, and the second information is related to reporting and / or measurement.
[0210] Wherein, the first information can be used to indicate at least one of the following:
[0211] The terminal supports that the reception time difference is greater than CP;
[0212] The terminal does not support that the reception time difference is greater than CP;
[0213] The terminal supports that the reception time difference is less than or equal to CP;
[0214] The terminal supports simultaneous measurement of asynchronous cells;
[0215] The terminal does not support simultaneous measurement of asynchronous cells;
[0216] The terminal supports simultaneous L1 measurement of cells with a reception time difference greater than CP;
[0217] The terminal supports or does not support simultaneous L1 measurement of cells with a reception time difference greater than CP.
[0218] Wherein, the first information can be used to indicate at least one of the following:
[0219] Perform L1 measurements on N cells where the received time difference is greater than the CP, and N is an integer greater than 1;
[0220] Perform L1 measurements on N cells where the received time difference is greater than the CP on the same symbol, and N is an integer greater than 1.
[0221] Here, when the terminal supports a received time difference greater than the CP, the network may not send the third information and / or the sixth information to the terminal, that is, the terminal does not need to filter the L1 measurements through L3 measurements. When the terminal does not support a received time difference greater than the CP, or the terminal supports a received time difference less than or equal to the CP, or the terminal does not support simultaneous measurements of non-synchronous cells, the network needs to send the third information and / or the sixth information to the terminal, that is, the terminal needs to filter the L1 measurements through L3 measurements.
[0222] Among them, the second information may include at least one of the following:
[0223] The maximum number of cells measured;
[0224] The maximum number of frequency points measured;
[0225] The maximum value of the number of cells reported;
[0226] The maximum value of the number of beams reported;
[0227] The maximum value of the product of the number of cells reported and the number of beams;
[0228] The number of cells measured;
[0229] The number of frequency points measured;
[0230] The number of cells reported;
[0231] The number of beams reported.
[0232] Among them, the second information may include at least one of the following:
[0233] RSRP;
[0234] SSB index;
[0235] CSI-RS index;
[0236] Cell identifier.
[0237] In one embodiment, the method further includes:
[0238] Send third information to the terminal, where the third information includes at least one of the cell identifier, frequency point, and SSB for performing L1 measurements.
[0239] Here, the network may send third information to the terminal before the terminal performs L1 measurements. For example, in the case of receiving the measurement results of L3 measurements of L1-triggered mobility reported by the terminal, the measurement targets that ultimately need to perform L1 measurements may be filtered based on the L3 measurement results, and third information may be sent to the terminal to reduce the need for L1 measurements. The measurement targets include at least one of cell identity, frequency point, and SSB.
[0240] In order to facilitate the terminal to know the correspondence between the SSB and / or CSI-RS and the cell, so as to reduce the reporting overhead of the terminal, in one embodiment, the method further includes:
[0241] Sending fourth information to the terminal, the fourth information includes at least one of the following:
[0242] The correspondence between the SSB index and the cell identity;
[0243] The correspondence between the CSI-RS index and the cell identity.
[0244] Here, the network may send fourth information to the terminal before the terminal performs L1 measurements.
[0245] In order to facilitate the network to know whether the terminal supports using L3 measurement results in L1 reporting, so that the network can instruct the behavior of the terminal preferentially according to actual needs. Based on this, in one embodiment, the method further includes:
[0246] Receiving fifth information sent by the terminal, the fifth information is used to indicate at least one of the following:
[0247] Support using L3 measurement results in L1 reporting;
[0248] Do not support using L3 measurement results in L1 reporting.
[0249] Here, the fifth information may be sent by the terminal before performing L1 measurements. The network may determine whether the terminal supports using L3 measurement results in L1 reporting according to the fifth information, so as to decide whether to instruct the terminal to filter the L1 measurement requirements through L3 measurements. Among them, in the case where the terminal supports using L3 measurement results in L1 reporting, the terminal supports filtering the L1 measurement requirements through L3 measurements.
[0250] In order to facilitate the terminal to perform L3 measurements of L1-triggered mobility, so as to reduce the subsequent L1 measurement requirements based on the L3 measurement results, in one embodiment, the method further includes:
[0251] Sending sixth information to the terminal, the sixth information is used to indicate that the measurement target is for L1 measurement.
[0252] Here, the network may send the sixth piece of information to the terminal before the terminal performs L1 measurement.
[0253] To implement the method on the terminal side in the embodiments of the present application, the embodiments of the present application further provide a measurement device, which is disposed on the terminal, as Figure 3 shown. The device includes:
[0254] A measurement unit 301, configured to perform L1 measurement; and / or
[0255] A first sending unit 302, configured to send the first information and / or the second information to the network, where the first information is related to the reception time difference, and the second information is related to reporting and / or measurement.
[0256] In one embodiment, the measurement unit 301 is specifically configured to perform L3 reporting and / or report L3 measurement results.
[0257] In one embodiment, the measurement unit 301 is specifically configured to perform at least one of the following:
[0258] Perform L1 measurement on a cell or frequency point for which the L3 measurement result is greater than or equal to a first threshold;
[0259] Perform L1 measurement on a cell or frequency point for which the signal quality of the neighboring cell is at least higher than a second threshold compared to the signal quality of the serving cell.
[0260] In one embodiment, the device further includes:
[0261] A second receiving unit, configured to receive the third information sent by the network, where the third information includes at least one of a cell identifier, a frequency point, and an SSB for performing L1 measurement.
[0262] In one embodiment, the first information is used to indicate at least one of the following:
[0263] The terminal supports a reception time difference greater than CP;
[0264] The terminal does not support a reception time difference greater than CP;
[0265] The terminal supports a reception time difference less than or equal to CP;
[0266] The terminal supports simultaneous measurement of non-synchronous cells;
[0267] The terminal does not support simultaneous measurement of non-synchronous cells;
[0268] The terminal supports simultaneous L1 measurement on cells with a reception time difference greater than CP;
[0269] The terminal supports or does not support simultaneous L1 measurement on cells with a reception time difference greater than CP.
[0270] In one embodiment, the first information is used to indicate at least one of the following:
[0271] Performing L1 measurements on N cells with a reception time difference greater than the CP simultaneously, where N is an integer greater than 1;
[0272] Performing L1 measurements on N cells with a reception time difference greater than the CP on the same symbol, where N is an integer greater than 1.
[0273] In one embodiment, the second information includes at least one of the following:
[0274] The maximum number of measured cells;
[0275] The maximum number of measured frequency points;
[0276] The maximum value of the number of reported cells;
[0277] The maximum value of the number of reported beams;
[0278] The maximum value of the product of the number of reported cells and the number of beams;
[0279] The number of measured cells;
[0280] The number of measured frequency points;
[0281] The number of reported cells;
[0282] The number of reported beams.
[0283] In one embodiment, the second information includes at least one of the following:
[0284] RSRP;
[0285] SSB index;
[0286] CSI-RS index;
[0287] Cell identifier.
[0288] In one embodiment, the device further includes:
[0289] A third receiving unit, configured to receive the fourth information sent by the network, where the fourth information includes at least one of the following:
[0290] The correspondence between the SSB index and the cell identifier;
[0291] The correspondence between the CSI-RS index and the cell identifier.
[0292] In one embodiment, the device further includes a transceiver unit, configured to perform at least one of the following:
[0293] Do not receive PDCCH and / or PDSCH and / or CSI-RS for tracking and / or CSI-RS for CQI on the SSB configured for L1-RSRP measurement;
[0294] Do not transmit PUSCH and / or PUCCH and / or SRS on the SSB configured for L1-RSRP measurement;
[0295] Do not receive PDCCH and / or PDSCH and / or CSI-RS for tracking and / or CSI-RS for CQI on a symbol before the SSB configured for L1-RSRP measurement;
[0296] Do not transmit PUSCH and / or PUCCH and / or SRS on a symbol before the SSB configured for L1-RSRP measurement;
[0297] Do not receive PDCCH and / or PDSCH and / or CSI-RS for tracking and / or CSI-RS for CQI on a symbol after the SSB configured for L1-RSRP measurement;
[0298] Do not transmit PUSCH and / or PUCCH and / or SRS on a symbol after the SSB configured for L1-RSRP measurement.
[0299] In one embodiment, the device further comprises:
[0300] A second transmission unit, configured to transmit fifth information to the network, the fifth information being used to indicate at least one of the following:
[0301] Support the adoption of L3 measurement results in L1 reporting;
[0302] Do not support the adoption of L3 measurement results in L1 reporting.
[0303] In one embodiment, the device further comprises:
[0304] A fourth reception unit, configured to receive sixth information sent by the network, the sixth information being used to indicate that the measurement target is for L1 measurement.
[0305] In one embodiment, the measurement unit 301 is further configured to preferentially measure the measurement target for L1 measurement.
[0306] In actual application, the measurement unit 301 may be implemented by a processor in the measurement device, and the first transmission unit 302, the second transmission unit, the second reception unit, the third reception unit, the fourth reception unit, and the transceiver unit may be implemented by a processor in the measurement device in combination with a communication interface.
[0307] To implement the method on the terminal side in the embodiments of the present application, the embodiments of the present application further provide a measurement device, which is disposed on a network device, such as Figure 4 as shown, the device includes:
[0308] A first receiving unit 401, configured to receive the first information and / or the second information sent by the terminal, where the first information is related to the reception time difference, and the second information is related to reporting and / or measurement.
[0309] In one embodiment, the device further includes:
[0310] A third sending unit, configured to send third information to the terminal, where the third information includes at least one of a cell identifier, a frequency point, and an SSB for L1 measurement.
[0311] In one embodiment, the device further includes:
[0312] A fourth sending unit, configured to send fourth information to the terminal, where the fourth information includes at least one of the following:
[0313] The correspondence between the SSB index and the cell identifier;
[0314] The correspondence between the CSI-RS index and the cell identifier.
[0315] In one embodiment, the device further includes:
[0316] A fifth receiving unit, configured to receive fifth information sent by the terminal, where the fifth information is used to indicate at least one of the following:
[0317] Support using the L3 measurement result in the L1 report;
[0318] Do not support using the L3 measurement result in the L1 report.
[0319] In one embodiment, the device further includes:
[0320] A fifth sending unit, configured to send sixth information to the terminal, where the sixth information is used to indicate that the measurement target is for L1 measurement.
[0321] In actual application, the first receiving unit 401, the third sending unit, the fourth sending unit, the fifth sending unit, and the fifth receiving unit can be implemented by a processor in the measurement device in combination with a communication interface.
[0322] It should be noted that when the measurement device provided in the above embodiment performs measurement, only the division of the above program modules is used as an example for illustration. In practical applications, the above processing can be allocated to different program modules according to needs, that is, the internal structure of the device is divided into different program modules to complete all or part of the processing described above. In addition, the measurement device provided in the above embodiment and the measurement method embodiment belong to the same concept. For the specific implementation process, please refer to the method embodiment, which will not be elaborated here.
[0323] Based on the hardware implementation of the above program modules, and in order to implement the method on the terminal side of the embodiments of the present application, the embodiments of the present application further provide a terminal, as Figure 5 shown, the terminal 500 includes:
[0324] A first communication interface 501, capable of interacting with other network nodes;
[0325] A first processor 502, connected to the first communication interface 501 to implement information interaction with other network nodes. When running a computer program, it is used to execute the method provided by one or more of the above technical solutions on the terminal side. And the computer program is stored on the first memory 503.
[0326] Specifically, the first processor 502 is used to perform L1 measurement;
[0327] The first communication interface 501 is used to send the first information and / or the second information to the network. The first information is related to the reception time difference, and the second information is related to reporting and / or measurement.
[0328] In one embodiment, the first processor 502 is specifically used to perform L3 reporting and / or report L3 measurement results.
[0329] In one embodiment, the first processor 502 is specifically used for at least one of the following:
[0330] Perform L1 measurement for a cell or frequency point where the L3 measurement result is greater than or equal to the first threshold;
[0331] Perform L1 measurement for a cell or frequency point where the signal quality of the neighboring cell L3 is at least higher than the signal quality of the serving cell by a second threshold.
[0332] In one embodiment, the first communication interface 501 is further used to receive the third information sent by the network. The third information includes at least one of the cell identifier, frequency point, and SSB for performing L1 measurement.
[0333] In one embodiment, the first information is used to indicate at least one of the following:
[0334] The terminal supports receiving a time difference greater than the CP;
[0335] The terminal does not support receiving a time difference greater than the CP;
[0336] The terminal supports receiving a time difference less than or equal to the CP;
[0337] The terminal supports simultaneous measurement of asynchronous cells;
[0338] The terminal does not support simultaneous measurement of asynchronous cells;
[0339] The terminal supports simultaneous L1 measurement of cells with a received time difference greater than the CP;
[0340] The terminal supports or does not support simultaneous L1 measurement of cells with a received time difference greater than the CP.
[0341] In one embodiment, the first information is used to indicate at least one of the following:
[0342] Simultaneous L1 measurement of N cells with a received time difference greater than the CP, where N is an integer greater than 1;
[0343] Simultaneous L1 measurement of N cells with a received time difference greater than the CP on the same symbol, where N is an integer greater than 1.
[0344] In one embodiment, the second information includes at least one of the following:
[0345] The maximum number of measured cells;
[0346] The maximum number of measured frequency points;
[0347] The maximum value of the number of reported cells;
[0348] The maximum value of the number of reported beams;
[0349] The maximum value of the product of the number of reported cells and the number of beams;
[0350] The number of measured cells;
[0351] The number of measured frequency points;
[0352] The number of reported cells;
[0353] The number of reported beams.
[0354] In one embodiment, the second information includes at least one of the following:
[0355] RSRP;
[0356] SSB index;
[0357] CSI-RS index;
[0358] Cell identifier.
[0359] In one embodiment, the first communication interface 501 is further configured to receive fourth information sent by the network, where the fourth information includes at least one of the following:
[0360] Correspondence between SSB index and cell identifier;
[0361] Correspondence between CSI-RS index and cell identifier.
[0362] In one embodiment, the first communication interface 501 is further configured to perform at least one of the following:
[0363] Do not receive PDCCH and / or PDSCH and / or CSI-RS for tracking and / or CSI-RS for CQI on the SSB configured for L1-RSRP measurement;
[0364] Do not transmit PUSCH and / or PUCCH and / or SRS on the SSB configured for L1-RSRP measurement;
[0365] Do not receive PDCCH and / or PDSCH and / or CSI-RS for tracking and / or CSI-RS for CQI on a symbol before the SSB configured for L1-RSRP measurement;
[0366] Do not transmit PUSCH and / or PUCCH and / or SRS on a symbol before the SSB configured for L1-RSRP measurement;
[0367] Do not receive PDCCH and / or PDSCH and / or CSI-RS for tracking and / or CSI-RS for CQI on a symbol after the SSB configured for L1-RSRP measurement;
[0368] Do not transmit PUSCH and / or PUCCH and / or SRS on a symbol after the SSB configured for L1-RSRP measurement.
[0369] In one embodiment, the first communication interface 501 is further configured to send fifth information to the network, where the fifth information is used to indicate at least one of the following:
[0370] Support using L3 measurement results in L1 reporting;
[0371] Do not support using L3 measurement results in L1 reporting.
[0372] In one embodiment, the first communication interface 501 is further configured to receive sixth information sent by the network, where the sixth information is used to indicate that the measurement target is for L1 measurement.
[0373] In one embodiment, the first processor 502 is further configured to preferentially measure measurement targets for L1 measurement.
[0374] It should be noted that the specific processing procedures of the first processor 502 and the first communication interface 501 can be understood with reference to the above method.
[0375] Of course, in actual application, each component in the terminal 500 is coupled together through the bus system 504. It can be understood that the bus system 504 is used to realize the connection and communication between these components. In addition to the data bus, the bus system 504 also includes a power bus, a control bus, and a status signal bus. However, for the sake of clear illustration, in Figure 5 all kinds of buses are labeled as the bus system 504.
[0376] The first memory 503 in the embodiment of the present application is used to store various types of data to support the operation of the terminal 500. Examples of these data include: any computer program for operating on the terminal 500.
[0377] The method disclosed in the embodiment of the present application above can be applied to the first processor 502 or implemented by the first processor 502. The first processor 502 may be an integrated circuit chip with signal processing capabilities. In the implementation process, each step of the above method can be completed by the integrated logic circuit in the hardware of the first processor 502 or by instructions in software form. The above-mentioned first processor 502 may be a general-purpose processor, a digital signal processor (DSP, Digital Signal Processor), or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, etc. The first processor 502 can implement or execute the various methods, steps, and logic block diagrams disclosed in the embodiment of the present application. The general-purpose processor may be a microprocessor or any conventional processor, etc. Combining the steps of the method disclosed in the embodiment of the present application, it can be directly embodied as being executed and completed by a hardware decoding processor, or by a combination of hardware and software modules in the decoding processor. The software module may be located in a storage medium, and this storage medium is located in the first memory 503. The first processor 502 reads the information in the first memory 503 and combines its hardware to complete the steps of the foregoing method.
[0378] In an exemplary embodiment, the terminal 500 may be implemented by one or more application specific integrated circuits (ASICs), digital signal processors (DSPs), programmable logic devices (PLDs), complex programmable logic devices (CPLDs), field-programmable gate arrays (FPGAs), general-purpose processors, controllers, microcontroller units (MCUs), microprocessors, or other electronic components, and is used to execute the foregoing method.
[0379] Based on the hardware implementation of the foregoing program modules, and in order to implement the method on the network side in the embodiments of the present application, the embodiments of the present application further provide a network device. As Figure 6 shown, the network device 600 includes:
[0380] A second communication interface 601, capable of interacting with other network nodes;
[0381] A second processor 602, connected to the second communication interface 601 to implement information interaction with other network nodes, and is used to execute the method provided by one or more of the foregoing technical solutions on the network side when running a computer program. The computer program is stored on the second memory 603.
[0382] Specifically, the second communication interface 601 is used to receive the first information and / or the second information sent by the terminal, the first information is related to the reception time difference, and the second information is related to reporting and / or measurement.
[0383] In one embodiment, the second communication interface 601 is further used to send third information to the terminal, and the third information includes at least one of a cell identifier, a frequency point, and an SSB for L1 measurement.
[0384] In one embodiment, the second communication interface 601 is further used to send fourth information to the terminal, and the fourth information includes at least one of the following:
[0385] The correspondence between the SSB index and the cell identifier;
[0386] The correspondence between the CSI-RS index and the cell identifier.
[0387] In one embodiment, the second communication interface 601 is further configured to receive fifth information sent by the terminal, where the fifth information is used to indicate at least one of the following:
[0388] Support using L3 measurement results in L1 reporting;
[0389] Do not support using L3 measurement results in L1 reporting.
[0390] In one embodiment, the second communication interface 601 is further configured to send sixth information to the terminal, where the sixth information is used to indicate that the measurement target is for L1 measurement.
[0391] It should be noted that the specific processing procedures of the second processor 602 and the second communication interface 601 can be understood with reference to the above method.
[0392] Of course, in actual applications, each component in the network device 600 is coupled together through the bus system 604. It can be understood that the bus system 604 is used to realize the connection and communication between these components. In addition to the data bus, the bus system 604 also includes a power bus, a control bus, and a status signal bus. However, for the sake of clear illustration, in Figure 6 all kinds of buses are labeled as the bus system 604.
[0393] The second memory 603 in the embodiments of the present application is used to store various types of data to support the operation of the network device 600. Examples of these data include: any computer program for operating on the network device 600.
[0394] The method disclosed in the embodiments of the present application above can be applied to the second processor 602 or implemented by the second processor 602. The second processor 602 may be an integrated circuit chip with signal processing capabilities. In the implementation process, each step of the above method can be completed by the integrated logic circuit in the second processor 602 or instructions in software form. The above-mentioned second processor 602 may be a general-purpose processor, a DSP, or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, etc. The second processor 602 can implement or execute the various methods, steps, and logic block diagrams disclosed in the embodiments of the present application. The general-purpose processor may be a microprocessor or any conventional processor, etc. Combining the steps of the method disclosed in the embodiments of the present application, it can be directly embodied as being executed by a hardware decoding processor, or executed by a combination of hardware and software modules in the decoding processor. The software module may be located in a storage medium, and this storage medium is located in the second memory 603. The second processor 602 reads the information in the second memory 603 and combines its hardware to complete the steps of the foregoing method.
[0395] In an exemplary embodiment, the network device 600 may be implemented by one or more ASICs, DSPs, PLDs, CPLDs, FPGAs, general-purpose processors, controllers, MCUs, microprocessors, or other electronic components for performing the foregoing method.
[0396] It can be understood that the memories (the first memory 503 and the second memory 603) in the embodiments of the present application can be volatile memories or non-volatile memories, or can include both volatile and non-volatile memories. Among them, the non-volatile memory can be a read-only memory (ROM, Read Only Memory), a programmable read-only memory (PROM, Programmable Read-Only Memory), an erasable programmable read-only memory (EPROM, Erasable Programmable Read-Only Memory), an electrically erasable programmable read-only memory (EEPROM, Electrically Erasable Programmable Read-Only Memory), a ferromagnetic random access memory (FRAM, ferromagnetic random access memory), a flash memory (Flash Memory), a magnetic surface memory, an optical disc, or a compact disc read-only memory (CD-ROM, Compact Disc Read-Only Memory); the magnetic surface memory can be a disk memory or a tape memory. The volatile memory can be a random access memory (RAM, Random Access Memory), which is used as an external cache. By way of example but not limitation, many forms of RAM are available, such as a static random access memory (SRAM, Static Random Access Memory), a synchronous static random access memory (SSRAM, Synchronous Static Random Access Memory), a dynamic random access memory (DRAM, Dynamic Random Access Memory), a synchronous dynamic random access memory (SDRAM, Synchronous Dynamic Random Access Memory), a double data rate synchronous dynamic random access memory (DDR SDRAM, Double Data Rate Synchronous Dynamic Random Access Memory), an enhanced synchronous dynamic random access memory (ESDRAM, Enhanced Synchronous Dynamic Random Access Memory), a synchronous link dynamic random access memory (SLDRAM, SyncLink Dynamic Random Access Memory), a direct rambus random access memory (DRRAM, Direct Rambus Random Access Memory).The memories described in the embodiments of the present application are intended to include, but are not limited to, these and any other suitable types of memories.
[0397] In an exemplary embodiment, the embodiments of the present application further provide a storage medium, namely a computer storage medium, specifically a computer-readable storage medium. For example, it includes a first memory 503 that stores a computer program, and the above computer program can be executed by a first processor 502 of the terminal 500 to complete the steps described in the foregoing terminal-side method. Another example is a second memory 603 that stores a computer program, and the above computer program can be executed by a second processor 602 of the network device 600 to complete the steps described in the foregoing network-side method. The computer-readable storage medium can be a memory such as FRAM, ROM, PROM, EPROM, EEPROM, Flash Memory, magnetic surface memory, optical disc, or CD-ROM.
[0398] It should be noted that: "first", "second", etc. are used to distinguish similar objects and do not necessarily need to describe a specific order or sequence.
[0399] In addition, the technical solutions described in the embodiments of the present application can be combined arbitrarily without conflict.
[0400] The above is only a preferred embodiment of the present application and is not intended to limit the protection scope of the present application.
Claims
1. A measurement method, characterized in that, Applied to a terminal, the method includes at least one of the following: Perform layer 1 (L1) measurement; Send first information to the network, where the first information is related to the reception time difference; Send second information to the network, where the second information is related to reporting and / or measurement.
2. The method according to claim 1, wherein The performing of the L1 measurement includes: Perform layer 3 (L3) reporting and / or report the L3 measurement result.
3. The method according to claim 2, wherein The performing of the L1 measurement includes at least one of the following: Perform L1 measurement on a cell or frequency point where the L3 measurement result is greater than or equal to a first threshold; Perform L1 measurement on a cell or frequency point where the L3 signal quality of a neighboring cell is at least higher than a second threshold compared to the signal quality of the serving cell.
4. The method according to claim 1, wherein The method further includes: Receive third information sent by the network, where the third information includes at least one of the cell identifier, frequency point, and synchronization signal block (SSB) for performing the L1 measurement.
5. The method according to claim 1, wherein The first information is used to indicate at least one of the following: The terminal supports a reception time difference greater than the cyclic prefix (CP); The terminal does not support a reception time difference greater than the CP; The terminal supports a reception time difference less than or equal to the CP; The terminal supports simultaneous measurement of non-synchronous cells; The terminal does not support simultaneous measurement of non-synchronous cells; The terminal supports simultaneous L1 measurement on cells with a reception time difference greater than the CP; The terminal supports or does not support simultaneous L1 measurement on cells with a reception time difference greater than the CP.
6. The method according to claim 1, wherein The first information is used to indicate at least one of the following: Simultaneously perform L1 measurement on N cells with a reception time difference greater than the CP, where N is an integer greater than 1; Simultaneously perform L1 measurement on N cells with a reception time difference greater than the CP on the same symbol, where N is an integer greater than 1.
7. The method according to claim 1, characterized in that The second information includes at least one of the following: The maximum number of measured cells; The maximum number of measured frequency points; The maximum value of the number of reported cells; The maximum value of the number of reported beams; The maximum value of the product of the number of reported cells and the number of beams; The number of measured cells; The number of measured frequency points; The number of reported cells; The number of reported beams.
8. The method according to claim 1, characterized in that, The second information includes at least one of the following: Reference signal received power (RSRP); SSB index; Channel state information reference signal (CSI-RS) index; Cell identifier.
9. The method according to claim 1, characterized in that, The method further includes: Receive fourth information sent by the network, where the fourth information includes at least one of the following: The correspondence between the SSB index and the cell identifier; The correspondence between the CSI-RS index and the cell identifier.
10. The method according to claim 1, wherein The method further includes at least one of the following: Do not receive the physical downlink control channel (PDCCH) and / or the physical downlink shared channel (PDSCH) and / or the CSI-RS for tracking and / or the CSI-RS for channel quality indication (CQI) on the SSB configured for L1-RSRP measurement; Do not send the physical uplink shared channel (PUSCH) and / or the physical uplink control channel (PUCCH) and / or the sounding reference signal (SRS) on the SSB configured for L1-RSRP measurement; Do not receive the PDCCH and / or the PDSCH and / or the CSI-RS for tracking and / or the CSI-RS for CQI on a symbol before the SSB configured for L1-RSRP measurement; Do not transmit PUSCH and / or PUCCH and / or SRS on a symbol before the SSB configured for L1-RSRP measurement; Do not receive PDCCH and / or PDSCH and / or CSI-RS for tracking and / or CSI-RS for CQI on a symbol after the SSB configured for L1-RSRP measurement; Do not transmit PUSCH and / or PUCCH and / or SRS on a symbol after the SSB configured for L1-RSRP measurement.
11. The method according to claim 1, characterized in that, The method further includes: Sending fifth information to the network, the fifth information being used to indicate at least one of the following: Support the use of L3 measurement results in L1 reporting; Do not support the use of L3 measurement results in L1 reporting.
12. The method according to claim 1, wherein The method further includes: Receiving sixth information sent by the network, the sixth information being used to indicate the measurement target for L1 measurement.
13. The method according to claim 12, wherein The method further includes: Prioritize measuring the measurement target for L1 measurement.
14. A measurement method, characterized in that, Includes: Receiving the first information and / or the second information sent by the terminal, the first information being related to the reception time difference, and the second information being related to reporting and / or measurement.
15. The method according to claim 14, wherein The method further includes: Sending third information to the terminal, the third information including at least one of the cell identifier, frequency point, and SSB for performing L1 measurement.
16. The method according to claim 14 or 15, characterized in that The method further includes: Sending fourth information to the terminal, the fourth information including at least one of the following: The correspondence between the SSB index and the cell identifier; The correspondence between the CSI-RS index and the cell identifier.
17. The method according to claim 14 or 15, characterized in that, The method further includes: Receiving fifth information sent by the terminal, the fifth information being used to indicate at least one of the following: Support the use of L3 measurement results in L1 reporting; Do not support the use of L3 measurement results in L1 reporting.
18. The method according to claim 14 or 15, characterized in that, The method further includes: Sending sixth information to the terminal, the sixth information being used to indicate the measurement target for L1 measurement.
19. A measuring device, characterized in that, Includes: A measurement unit for performing L1 measurement; and / or A first sending unit for sending the first information and / or the second information to the network, the first information being related to the reception time difference, and the second information being related to reporting and / or measurement.
20. A measuring device, characterized in that, Includes: A first receiving unit for receiving the first information and / or the second information sent by the terminal, the first information being related to the reception time difference, and the second information being related to reporting and / or measurement.
21. A terminal, characterized in that, Includes a first processor and a first communication interface, wherein, The first processor is used to perform L1 measurement; The first communication interface is used to send the first information and / or the second information to the network, the first information being related to the reception time difference, and the second information being related to reporting and / or measurement.
22. A network device, characterized in that, Includes a second processor and a second communication interface, wherein, The second communication interface is used to receive the first information and / or the second information sent by the terminal, the first information being related to the reception time difference, and the second information being related to reporting and / or measurement.
23. A terminal, characterized in that, Includes a first processor and a first memory for storing a computer program that can run on the first processor; wherein, when the first processor is used to run the computer program, it executes the steps of the method according to any one of claims 1 to 13.
24. A network device, characterized in that, Comprising a second processor and a second memory for storing a computer program capable of running on the second processor, wherein, when the second processor is used to run the computer program, it executes the steps of the method according to any one of claims 14 to 18.
25. A storage medium having a computer program stored thereon, characterized in that, When the computer program is executed by a processor, it implements the steps of the method according to any one of claims 1 to 13, or implements the steps of the method according to any one of claims 14 to 18.