Method and system for controlling inter-frequency inter-system measurement
By configuring and updating A1 and A2 measurements for different frequency and system frequencies, the problem of base stations being unable to control measurements at appropriate times is solved, enabling precise user mobility strategies and saving measurement IDs.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- ZTE CORP
- Filing Date
- 2020-12-28
- Publication Date
- 2026-06-12
Smart Images

Figure CN114697983B_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of communication technology, and in particular to a control method and system for cross-frequency and cross-system measurement. Background Technology
[0002] In 3GPP (3rd Generation Partnership Project) mobile communication systems, inter-frequency and inter-system handover measurements are only initiated when a user has a mobility edge within the cell. Inter-frequency and inter-system handover measurements are stopped when the user moves from the edge to the cell center. The center edge needs to be determined by the A1 and A2 measurement events issued by the base station. Here, A1 represents the threshold for stopping handover measurements, and A2 represents the threshold for starting handover measurements.
[0003] For different frequency points across different systems, if the edge / center definitions for enabling / disabling handover measurements differ, the base station needs to issue different A1 and A2 measurement events. If too many frequency points across different systems require the configuration of special A1 and A2 measurement events, and if certain frequency points across different systems require special A1 and A2 measurement events for different service states (including but not limited to 5QI (5G QoS identifier), slicing, RFSP (Index to RAT / Frequency Selection Priority), PLMN (Public Land Mobile Network), etc.), the base station has a limited number of measurement IDs that it can issue to users, which may be insufficient. Furthermore, the base station's ability to handle a large number of A1 and A2 events issued simultaneously is limited by its capacity. Currently, there is no effective solution to these problems. Summary of the Invention
[0004] This invention provides a control method and system for inter-frequency and inter-system measurement. Its technical purpose is to save measurement IDs, reduce base station processing operations, and ensure that each inter-frequency and inter-system frequency point starts / stops measurement at the appropriate time according to its own requirements, so as to achieve precise control of user mobility strategy.
[0005] The above-mentioned technical objective of this disclosure is achieved through the following technical solution:
[0006] A control method for cross-frequency and cross-system measurement includes:
[0007] Perform A1 and A2 measurement configurations for each target frequency point of the heterogeneous system;
[0008] The maximum parameter of the A2 measurement configuration is selected from the second frequency point set. An A2 measurement is then sent to the target frequency point corresponding to the maximum parameter. After obtaining the A2 measurement result, a first target frequency point is determined. The A2 measurement configuration of the first target frequency point is not less than the A2 measurement result. Inter-frequency and inter-system measurement is then initiated for the first target frequency point. The first frequency point set and the second frequency point set are updated, including deleting the first target frequency point from the second frequency point set and adding the first target frequency point to the first frequency point set.
[0009] The minimum parameter for the A1 measurement configuration is selected from the first frequency point set. An A1 measurement is sent to the target frequency point corresponding to the minimum parameter. After obtaining the A1 measurement result, a second target frequency point is determined. The A1 measurement configuration of the second target frequency point is not greater than the A1 measurement result. Inter-frequency and inter-system measurement is stopped for the second target frequency point. The first frequency point set and the second frequency point set are updated, including deleting the second target frequency point from the first frequency point set and adding the second target frequency point to the second frequency point set.
[0010] Furthermore, after issuing the A2 measurement to obtain the current A2 measurement result, the minimum A1 measurement configuration before and after the update in the first frequency point set is compared, including:
[0011] If the first frequency point set before the update is empty, then select the target frequency point with the smallest A1 measurement configuration from the first frequency point set after the update and send out A1 measurement;
[0012] If the first frequency point set before the update is not empty, and the minimum A1 measurement configuration before the update in the first frequency point set is not greater than the minimum A1 measurement configuration after the update, then the issued A1 measurement is maintained; if the minimum A1 measurement configuration before the update is greater than the minimum A1 measurement configuration after the update, then the issued A1 measurement is deleted, and the minimum A1 measurement configuration after the update is selected from the first frequency point set to issue A1 measurement.
[0013] Furthermore, after issuing A2 measurements to obtain the current A2 measurement results, if the updated second frequency point set is empty, the issued A2 measurements are deleted; if the updated second frequency point set is not empty, the issued A2 measurements are deleted, and the target frequency point with the largest A2 measurement configuration is selected from the updated second frequency point set to issue A2 measurements.
[0014] Furthermore, after issuing the A1 measurement to obtain the current A1 measurement result, the maximum A2 measurement configuration before and after the update in the second frequency point set is compared, including:
[0015] If the second frequency point set before the update is empty, then select the target frequency point with the largest A2 measurement configuration from the updated second frequency point set and send out A2 measurements;
[0016] If the second frequency point set before the update is not empty, and the maximum A2 measurement configuration before the update in the second frequency point set is not less than the maximum A2 measurement configuration after the update, then the issued A2 measurement is maintained; if the maximum A2 measurement configuration before the update is less than the maximum A2 measurement configuration after the update, then the issued A2 measurement is deleted, and the maximum A2 measurement configuration after the update is selected from the second frequency point set to issue A2 measurement.
[0017] Furthermore, after issuing A1 measurements to obtain the current A1 measurement results, if the updated first frequency point set is empty, the issued A1 measurements are deleted; if the updated first frequency point set is not empty, the issued A1 measurements are deleted, and the target frequency point with the smallest A1 measurement configuration is selected from the updated first frequency point set to issue A1 measurements.
[0018] A control system for cross-frequency and cross-system measurement, comprising:
[0019] The configuration unit is used to perform A1 measurement configuration and A2 measurement configuration for each target frequency point of the different frequency and system.
[0020] Update unit;
[0021] The first measurement unit selects the maximum parameter related to the A2 measurement configuration from the second frequency point set, sends an A2 measurement to the target frequency point corresponding to the maximum parameter, obtains the A2 measurement result, determines the first target frequency point, the A2 measurement configuration of the first target frequency point is not less than the A2 measurement result, and initiates inter-frequency and inter-system measurement for the first target frequency point; the update unit updates the first frequency point set and the second frequency point set, including: deleting the first target frequency point from the second frequency point set and adding the first target frequency point to the first frequency point set;
[0022] The second measurement unit selects the minimum parameter related to the A1 measurement configuration from the first frequency point set, sends an A1 measurement to the target frequency point corresponding to the minimum parameter, obtains the A1 measurement result, determines the second target frequency point, the A1 measurement configuration of the second target frequency point is not greater than the A1 measurement result, and stops inter-frequency and inter-system measurement for the second target frequency point; the update unit updates the first frequency point set and the second frequency point set, including: deleting the second target frequency point from the first frequency point set and adding the second target frequency point to the second frequency point set.
[0023] Furthermore, after the first measurement unit issues an A2 measurement to obtain the current A2 measurement result, it compares the minimum A1 measurement configuration before and after the update in the first frequency point set. The second measurement unit is also used for:
[0024] If the first frequency point set before the update is empty, then select the target frequency point with the smallest A1 measurement configuration from the first frequency point set after the update and send out A1 measurement;
[0025] If the first frequency point set before the update is not empty, and the minimum A1 measurement configuration before the update in the first frequency point set is not greater than the minimum A1 measurement configuration after the update, then the issued A1 measurement is maintained; if the minimum A1 measurement configuration before the update is greater than the minimum A1 measurement configuration after the update, then the issued A1 measurement is deleted, and the minimum A1 measurement configuration after the update is selected from the first frequency point set to issue A1 measurement.
[0026] Furthermore, after issuing the A2 measurement to obtain the current A2 measurement result, the first measurement unit is also used to: if the updated second frequency point set is empty, delete the issued A2 measurement; if the updated second frequency point set is not empty, delete the issued A2 measurement, and select the target frequency point with the largest A2 measurement configuration in the updated second frequency point set to issue the A2 measurement.
[0027] Furthermore, after the second measurement unit issues an A1 measurement to obtain the current A1 measurement result, it compares the maximum A2 measurement configuration before and after the update in the second frequency point set. The first measurement unit is also used to:
[0028] If the second frequency point set before the update is empty, then select the target frequency point with the largest A2 measurement configuration from the updated second frequency point set and send out A2 measurements;
[0029] If the second frequency point set before the update is not empty, and the maximum A2 measurement configuration before the update in the second frequency point set is not less than the maximum A2 measurement configuration after the update, then the issued A2 measurement is maintained; if the maximum A2 measurement configuration before the update is less than the maximum A2 measurement configuration after the update, then the issued A2 measurement is deleted, and the maximum A2 measurement configuration after the update is selected from the second frequency point set to issue A2 measurement.
[0030] Furthermore, after issuing the A1 measurement to obtain the current A1 measurement result, the second measurement unit is also used to: if the updated first frequency point set is empty, delete the issued A1 measurement; if the updated first frequency point set is not empty, delete the issued A1 measurement, and select the target frequency point with the smallest A1 measurement configuration in the updated first frequency point set to issue the A1 measurement.
[0031] The beneficial effects of this disclosure are as follows: The control method and system for inter-frequency and inter-system measurement described herein perform measurement configuration on each target frequency point of the inter-frequency and inter-system. By comparing the parameter configurations of each inter-frequency and inter-system frequency point, only one suitable measurement trigger is selected for transmission at any given time. Based on the reported measurement results, the inter-frequency and inter-system frequency point measurements that need to be started or stopped are configured, and the measurements are updated simultaneously. While saving measurement IDs and reducing base station processing operations, this ensures that each inter-frequency and inter-system frequency point starts or stops measurement at the appropriate time according to its own requirements, achieving a strategy for precise control of user movement. Attached Figure Description
[0032] Figure 1 This is a flowchart of a control method for measuring different frequencies and different systems;
[0033] Figure 2 This is a schematic diagram of a control system for measuring different frequencies and systems;
[0034] Figure 3 This is a flowchart of a first embodiment of the control method for measuring different frequencies and different systems according to the present invention;
[0035] Figure 4 This is a flowchart of a second embodiment of the control method for measuring different frequencies and different systems according to the present invention;
[0036] Figure 5 A schematic diagram of a specific embodiment for configuring A1 and A2 measurements at different frequency points of different systems;
[0037] Figure 6 A schematic diagram illustrating a specific implementation of starting and stopping measurements in different frequency and different systems;
[0038] Figure 7 A schematic diagram illustrating a specific implementation of configuring different measurements under different business states;
[0039] Figure 8 A schematic diagram illustrating a specific implementation of measurement updates for different business status change trigger quantities. Detailed Implementation
[0040] The technical solution of this disclosure will now be described in detail with reference to the accompanying drawings. In the description of this disclosure, it should be understood that the terms "first," "second," and similar words do not indicate any order, quantity, or importance, but are merely used to distinguish different components. In this application, "A1 measurement result" and "A2 measurement result" are not limited to a single reported measurement result, but include measurement results continuously reported under both the A1 measurement configuration and the A2 measurement configuration.
[0041] Figure 1 The flowchart of the control method for inter-frequency and inter-system measurement of the present invention is as follows: Figure 1As shown, step S100: Perform A1 measurement configuration and A2 measurement configuration for each target frequency point of the different frequency and different system.
[0042] Step S101: Select the maximum parameter of the A2 measurement configuration from the second frequency point set, send A2 measurement to the target frequency point corresponding to the maximum parameter, obtain the A2 measurement result, determine the first target frequency point, the A2 measurement configuration of the first target frequency point is not less than the A2 measurement result, start inter-frequency and inter-system measurement for the first target frequency point; and update the first frequency point set and the second frequency point set, including: deleting the first target frequency point from the second frequency point set and adding the first target frequency point to the first frequency point set.
[0043] Step S102: Select the minimum parameter of the A1 measurement configuration from the first frequency point set, send an A1 measurement to the target frequency point corresponding to the minimum parameter, obtain the A1 measurement result, determine the second target frequency point, the A1 measurement configuration of the second target frequency point is not greater than the A1 measurement result, stop inter-frequency and inter-system measurement for the second target frequency point; and update the first frequency point set and the second frequency point set, including: deleting the second target frequency point from the first frequency point set and adding the second target frequency point to the second frequency point set.
[0044] Figure 2 This is a schematic diagram of the control system for inter-frequency and inter-system measurement of the present invention, as shown below. Figure 2As shown, the control system includes a configuration unit, an update unit, a first measurement unit, and a second measurement unit. The configuration unit is used to perform A1 measurement configuration and A2 measurement configuration for each target frequency point of the inter-frequency and inter-system. The first measurement unit is used to select the maximum parameter of the A2 measurement configuration from the second frequency point set, send an A2 measurement to the target frequency point corresponding to the maximum parameter, obtain the A2 measurement result, determine the first target frequency point, and start inter-frequency and inter-system measurement for the first target frequency point when the A2 measurement configuration of the first target frequency point is not less than the A2 measurement result. Then, the update unit updates the first frequency point set and the second frequency point set, including: deleting the first target frequency point from the second frequency point set and adding the first target frequency point to the first frequency point set. The second measurement unit is used to select the minimum parameter of the A1 measurement configuration from the first frequency point set, send an A1 measurement to the target frequency point corresponding to the minimum parameter, obtain the A1 measurement result, determine the second target frequency point, and stop inter-frequency and inter-system measurement for the second target frequency point when the A1 measurement configuration of the second target frequency point is not greater than the A1 measurement result; then the update unit updates the first frequency point set and the second frequency point set, including: deleting the second target frequency point from the first frequency point set and adding the second target frequency point to the second frequency point set.
[0045] After the first measurement unit issues an A2 measurement and obtains the current A2 measurement result, all target frequencies in the second frequency point set with an A2 measurement configuration greater than the current A2 measurement result initiate inter-frequency, inter-system measurements. Then, the update unit updates the first and second frequency point sets, comparing the minimum A1 measurement configuration before and after the update of the first frequency point set. If the first frequency point set before the update is empty, the second measurement unit selects the target frequency with the smallest A1 measurement configuration from the updated first frequency point set and issues an A1 measurement. If the first frequency point set before the update is not empty, if the minimum A1 measurement configuration before the update in the first frequency point set is not greater than the minimum A1 measurement configuration after the update, the second measurement unit maintains the issued A1 measurement; if the minimum A1 measurement configuration before the update in the first frequency point set is greater than the minimum A1 measurement configuration after the update, the second measurement unit deletes the issued A1 measurement and selects the minimum A1 measurement configuration after the update from the first frequency point set to issue an A1 measurement. Accordingly, after the A2 measurement is issued and the current A2 measurement result is obtained, the first measurement unit is also used to: if the updated second frequency point set is empty, delete the issued A2 measurement; if the updated second frequency point set is not empty, delete the issued A2 measurement, and select the target frequency point with the largest A2 measurement configuration in the updated second frequency point set to issue the A2 measurement.
[0046] After the second measurement unit issues an A1 measurement and obtains the current A1 measurement result, all target frequency points in the first frequency point set whose A1 measurement configuration is less than the current A1 measurement result stop inter-frequency and inter-system measurements. Then, the update unit updates the first and second frequency point sets, comparing the maximum A2 measurement configuration before and after the update of the second frequency point set. If the second frequency point set before the update is empty, the first measurement unit selects the target frequency point with the largest A2 measurement configuration from the updated second frequency point set and issues an A2 measurement. If the second frequency point set before the update is not empty, if the maximum A2 measurement configuration before the update in the second frequency point set is not less than the maximum A2 measurement configuration after the update, the first measurement unit maintains the issued A2 measurement; if the maximum A2 measurement configuration before the update in the second frequency point set is less than the maximum A2 measurement configuration after the update, the first measurement unit deletes the issued A2 measurement and selects the maximum A2 measurement configuration after the update from the second frequency point set to issue an A2 measurement. Accordingly, after the A1 measurement is issued and the current A1 measurement result is obtained, the second measurement unit is also used to: if the updated first frequency point set is empty, delete the issued A1 measurement; if the updated first frequency point set is not empty, delete the issued A1 measurement, and select the target frequency point with the smallest A1 measurement configuration in the updated first frequency point set to issue the A1 measurement.
[0047] In this application, target frequency points are classified according to the trigger values of A1 measurement configuration and A2 measurement configuration to obtain RSRP target frequency point set, RSRQ target frequency point set and SINR target frequency point set.
[0048] Specifically, the target frequency set of inter-frequency and inter-system measurements and the corresponding A1 and A2 measurement configurations are determined. The target frequency set is classified according to the measurement trigger quantities configured in the corresponding A1 and A2 measurement configurations. The measurement trigger quantities are used to distinguish RSRP (Reference Signal Receiving Power), RSRQ (Reference Signal Receiving Quality), and SINR (Signal to Interference plus Noise Ratio). The target frequency set with the same measurement trigger quantity is referred to as Freq_List. The Freq_Lists for different categories are different. For example, the Freq_List for RSRP is different from the Freq_List for RSRQ and SINR. The Freq_List is divided according to the trigger quantities of each category. The set of measurement frequencies that have been issued and the set of measurement frequencies that have not been issued are hereinafter referred to as Freq_ListMeas (i.e., the first set of frequencies) and Freq_ListNotMeas (i.e., the second set of frequencies), respectively. Freq_ListMeas is initialized to empty, and Freq_ListNotMeas is the complete set of Freq_List.
[0049] From the determined Freq_ListNotMeas for each trigger quantity category, first select max{A2_Thresh-A2_Hys} as the initial trigger quantity and issue the corresponding A2 measurement configuration, waiting to receive the corresponding measurement results reported by the user. Similarly, from the determined Freq_ListMeas for each trigger quantity category, first select min{A1_Thresh+A1_Hys} as the initial trigger quantity and issue the corresponding A1 measurement configuration, waiting to receive the corresponding measurement results reported by the user. Here, Thresh refers to the threshold, and Hysteresis refers to the hysteresis.
[0050] When the base station receives the A1 measurement results and A2 measurement results reported by the user, it determines the inter-frequency and inter-system target frequency point measurement that needs to be started, the A2 measurement that needs to be updated, and the A1 measurement that needs to be updated.
[0051] For the A2 event corresponding to Freq_ListNotMeas, if any of the following conditions is met, it is considered that the corresponding A2 event is satisfied, and the target frequency points of the corresponding different-frequency and different-system are enabled for measurement. The conditions include: (1) The currently reported A2 measurement result of the different-frequency and different-system (i.e., the first measurement result, the same below) is equal to (A2_Thresh - A2_Hys) of the corresponding A2 event; (2) The currently reported A2 measurement result of the different-frequency and different-system contains the corresponding trigger quantity, and meets the measurement entry condition of the corresponding A2 event (i.e., Ms2 + Hys < Thresh, where Ms2 represents the A2 measurement result).
[0052] The specific steps for updating the A2 measurement include: deleting the target frequency points of the different-frequency and different-system enabled for measurement from Freq_ListNotMeas and updating them to Freq_ListMeas; deleting the currently reported A2 measurement result, and performing corresponding operations according to the updated status of Freq_ListNotMeas: (1) If Freq_ListNotMeas is empty after the update, there is no need to issue the A2 measurement configuration anymore; (2) If Freq_ListNotMeas is not empty after the update, issue the A2 event measurement configuration corresponding to max{A2_Thresh - A2_Hys} in the updated Freq_ListNotMeas.
[0053] After updating the A2 measurement, the A1 measurement is updated accordingly, specifically including: taking the A1 event corresponding to min{A1_Thresh + A1_Hys} in the updated Freq_ListMeas for measurement, and updating the corresponding A1 measurement according to the following principles: (1) If there is currently an A1 measurement corresponding to the same A2 trigger quantity reported this time and the same as the A1 event measurement configuration determined to be updated this time, there is no need to update the corresponding A1 measurement; (2) If there is currently an A1 measurement corresponding to the same A2 trigger quantity reported this time but different from the A1 event measurement configuration determined to be updated this time, delete the previously issued corresponding A1 measurement and issue it according to the A1 event measurement configuration determined this time; (3) If there is currently no A1 measurement corresponding to the same A2 trigger quantity reported this time, issue it according to the A1 event measurement configuration determined this time.
[0054] As Figure 3 shown, in step S200: After issuing the A2 measurement to obtain the current A2 measurement result, the target frequency points in the second frequency point set where the A2 measurement configuration is greater than the current A2 measurement result all start the different-frequency and different-system measurement, and then the first frequency point set and the second frequency point set are updated. Step S201: Determine whether the first frequency point set before the update is empty. If it is not empty, execute step S202; otherwise, execute step S205.
[0055] Step S202: Compare the minimum A1 measurement configuration before and after the update in the first frequency point set. If the minimum A1 measurement configuration before the update in the first frequency point set is not greater than the minimum A1 measurement configuration after the update, then execute step S203; otherwise, execute step S204.
[0056] Step S203: Maintain the issued A1 measurement.
[0057] Step S204: Delete the issued A1 measurement, select the updated minimum A1 measurement configuration from the first frequency point set, and issue the A1 measurement.
[0058] Step S205: Select the target frequency point with the smallest A1 measurement configuration from the updated first frequency point set and send out A1 measurement.
[0059] For the A1 event corresponding to Freq_ListMeas, if any of the following conditions are met, it is considered that the corresponding A1 event is met, and the measurement of the target frequency point of the corresponding inter-frequency inter-system that meets the A1 event is stopped. The conditions include (1) the currently reported inter-frequency inter-system A1 measurement result (i.e. the second measurement result, the same below) is equal to (A1_Thresh+A1_Hys) of the corresponding A1 event; (2) the currently reported A1 measurement result contains the corresponding trigger quantity and meets the measurement entry condition of the corresponding A1 event (i.e. Ms1-Hys>Thresh, where Ms1 represents the A1 measurement result).
[0060] The specific steps for updating A1 measurements include: deleting the target frequency points of different frequencies and systems that have stopped measurement from Freq_ListMeas and updating them to Freq_ListNotMeas; deleting the A1 measurement results reported this time, and performing corresponding operations according to the updated Freq_ListMeas status: (1) If the updated Freq_ListMeas is empty, then there is no need to issue A1 measurement configurations again; (2) If the updated Freq_ListMeas is not empty, then take the A1 event measurement configuration corresponding to min{A1_Thresh+A1_Hys} from the updated Freq_ListMeas and issue it.
[0061] After updating the A1 measurement, the A2 measurement is updated accordingly, specifically including: (1) taking the A2 event measurement corresponding to max{A2_Thresh-A2_Hys} in the updated Freq_ListNotMeas, and updating the corresponding A2 measurement according to the following principles: (1) if there is a corresponding A2 measurement with the same A1 trigger amount as reported this time, and the configuration of the A2 event measurement that needs to be updated this time is the same, then there is no need to update the corresponding A2 measurement; (2) if there is a corresponding A2 measurement with the same A1 trigger amount as reported this time, but the configuration of the A2 event measurement that needs to be updated this time is different, then delete the corresponding A2 measurement that has been issued, and issue it according to the A2 event measurement configuration determined this time; (3) if there is no corresponding A2 measurement with the same A1 trigger amount as reported this time, issue it according to the A2 event measurement configuration determined this time.
[0062] like Figure 4 As shown, in step S300: After the A1 measurement is issued and the current A1 measurement result is obtained, all target frequency points in the first frequency point set whose A1 measurement configuration is less than the current A1 measurement result stop inter-frequency and inter-system measurement, and then the first frequency point set and the second frequency point set are updated. Step S301: Is the second frequency point set before the update empty? If it is not empty, proceed to step S302; otherwise, proceed to step S305.
[0063] Step S302: Compare the maximum A2 measurement configuration before and after the update in the second frequency point set. If the maximum A2 measurement configuration before the update in the second frequency point set is not less than the maximum A2 measurement configuration after the update, then execute step S303; otherwise, execute step S304.
[0064] Step S303: Maintain the issued A2 measurement.
[0065] Step S304: Delete the issued A2 measurement, select the updated maximum A2 measurement configuration from the second frequency point set, and issue the A2 measurement.
[0066] Step S305: Select the target frequency with the largest A2 measurement configuration from the updated second frequency point set and send out A2 measurements.
[0067] Figure 5 This is a schematic diagram of a specific implementation of A1 and A2 measurement configuration for inter-frequency and inter-system frequency points. The serving cell is configured with an inter-frequency and inter-system frequency point set of Freq F1, Freq F2, Freq F3, Freq F4, and Freq F5, with different A1 and A2 measurement parameters configured for each frequency point. Figure 6 This is a schematic diagram illustrating a specific implementation of the start and stop of inter-frequency and inter-system measurement, describing the start and stop control process of inter-frequency and inter-system measurement:
[0068] The first step, after the initial user connects from the serving cell, refers to... Figure 5 Configure and determine the Freq_List of trigger quantity RSRP as F1, F2, F3, F4, F5; the Freq_List of trigger quantity RSRQ as F1, F2, F3, F4; and the Freq_List of trigger quantity SINR as F2, F3, F4, F5.
[0069] The second step involves issuing three initial A2 measurement configurations based on the three trigger values identified in the first step, as determined by the Freq_List. Specifically, the initial trigger value for A2-RSRP is max{A2_Thresh-A2_Hys} = -85dBm in the RSRP Freq_List, the initial trigger value for A2-RSRQ is max{A2_Thresh-A2_Hys} = -6dB in the RSRQ Freq_List, and the initial trigger value for A2-SINR is max{A2_Thresh-A2_Hys} = 2dB in the SINR Freq_List.
[0070] Third, after the user has measured for a period of time, A2-RSRP is triggered to report, and the measurement result is -103dBm. The base station evaluates that F1, F2, and F3 can enable handover measurements with RSRQ as the trigger quantity, updates the trigger quantity RSRP's Freq_ListNotMeas to F4 and F5, and Freq_ListMeas to F1, F2, and F3. The trigger quantity of A2-RSRP is updated to max{A2_Thresh-A2_Hys} = -105dBm in RSRP's Freq_ListNotMeas, and the trigger quantity of A1-RSRP is updated to min{A1_Thresh+A1_Hys} = -95dBm in RSRP's Freq_ListMeas.
[0071] Fourth, after the user has measured for a period of time, A2-RSRQ is triggered and reported, with a measurement result of -14dB. The base station evaluates that F1, F2, F3, and F4 can enable handover measurements with RSRQ as the trigger quantity, updates the Freq_ListNotMeas of the trigger quantity RSRQ to empty, and sets Freq_ListMeas to F1, F2, F3, and F4. The A2-RSRQ measurement is deleted, and the min{A1_Thresh+A1_Hys} = -10dB in the Freq_ListMeas of the trigger quantity A1-RSRQ is updated to RSRQ.
[0072] Step 5: After the user has measured for a period of time, A1-RSRP is triggered and reported, with a measurement result of -83dBm. The base station evaluates that F2 and F3 can stop the handover measurement triggered by RSRP, updates the trigger quantity RSRP's Freq_ListNotMeas to F2, F3, F4, and F5, and Freq_ListMeas to F1. The trigger quantity for A2-RSRP is updated to max{A2_Thresh-A2_Hys} = -90dBm in RSRP's Freq_ListNotMeas, and the trigger quantity for A1-RSRP is updated to min{A1_Thresh+A1_Hys} = -80dBm in RSRP's Freq_ListMeas.
[0073] Step 6: After the user has measured for a period of time, A1-RSRQ is triggered and reported, with a measurement result of -7dB. The base station evaluates that F3 and F4 can stop the handover measurement triggered by RSRQ, updates the Freq_ListNotMeas of the triggering quantity RSRQ to F3 and F4, and the Freq_ListMeas to F1 and F2. It updates the triggering quantity of A2-RSRQ to max{A2_Thresh-A2_Hys} = -10dB in the Freq_ListNotMeas of RSRQ, and updates the triggering quantity of A1-RSRQ to min{A1_Thresh+A1_Hys} = -6dB in the Freq_ListMeas of RSRQ.
[0074] Step 7: After the user has measured for a period of time, A2-SINR is triggered and reported, with a measurement result of 1dB. The base station evaluates that F2 can enable handover measurement with SINR as the trigger quantity, updates the Freq_ListNotMeas of the trigger quantity SINR to F3, F4, and F5, and the Freq_ListMeas to F2. It updates the max{A2_Thresh-A2_Hys} = 0dB in the Freq_ListNotMeas of the trigger quantity SINR for A2-SINR, and updates the min{A1_Thresh+A1_Hys} = 4dB in the Freq_ListMeas of the trigger quantity SINR for A1-SINR.
[0075] The results will be continuously updated based on the measurement and reporting results of A1A2.
[0076] refer to Figure 7 , Figure 8 Taking the most recent A1 and A2 measurement results as an example (RSRP = -103dBm, RSRQ = -7dB, SINR = 1dB), if the user's service status changes, the inter-frequency and inter-system frequency point A1 and A2 measurement configuration is as follows: Figure 7 As shown, the measurement configuration is updated after the business status changes. Figure 8As shown, the details are as follows:
[0077] The trigger quantity RSRP's Freq_List is F2, F3, F4, F5; Freq_ListMeas is F2, F3, F4, F5; Freq_ListNotMeas is empty; the trigger quantity for A1-RSRP is min{A1_Thresh+A1_Hys}=-95dBm in RSRP's Freq_ListMeas; the trigger quantity for A2-RSRP is max{A2_Thresh-A2_Hys}=empty (i.e., not issued) in RSRP's Freq_ListNotMeas.
[0078] The trigger values for RSRQ are F1, F3, and F4 in Freq_List; F1 in Freq_ListMeas; and F3 and F4 in Freq_ListNotMeas. The trigger value for A1-RSRQ is min{A1_Thresh+A1_Hys} = -2dB in Freq_ListMeas of RSRQ; the trigger value for A2-RSRQ is max{A2_Thresh-A2_Hys} = -10dB in Freq_ListNotMeas of RSRQ.
[0079] The trigger values for SINR are F2, F3, F4, and F5 in Freq_List; F2 in Freq_ListMeas; and F3, F4, and F5 in Freq_ListNotMeas. The trigger value for A1-SINR is min{A1_Thresh+A1_Hys}=4dB in Freq_ListMeas of SINR; the trigger value for A2-SINR is max{A2_Thresh-A2_Hys}=0dB in Freq_ListNotMeas of SINR.
[0080] The above are exemplary embodiments of this disclosure, and the scope of protection of this disclosure is defined by the claims and their equivalents.
Claims
1. A control method for measuring different frequencies and different systems, characterized in that, include: Perform A1 and A2 measurement configurations for each target frequency point of the heterogeneous system; Select the maximum parameter of the A2 measurement configuration from the second frequency point set, send A2 measurement to the target frequency point corresponding to the maximum parameter, obtain the A2 measurement result, determine the first target frequency point, the A2 measurement configuration of the first target frequency point is not less than the A2 measurement result, and start inter-frequency and inter-system measurement for the first target frequency point; The first frequency set and the second frequency set are updated, including: deleting the first target frequency point from the second frequency set and adding the first target frequency point to the first frequency set; The minimum parameter for the A1 measurement configuration is selected from the first frequency point set. An A1 measurement is sent to the target frequency point corresponding to the minimum parameter. After obtaining the A1 measurement result, a second target frequency point is determined. The A1 measurement configuration of the second target frequency point is not greater than the A1 measurement result. Inter-frequency and inter-system measurement is stopped for the second target frequency point. The first frequency point set and the second frequency point set are updated, including deleting the second target frequency point from the first frequency point set and adding the second target frequency point to the second frequency point set.
2. The control method for inter-frequency and inter-system measurement as described in claim 1, characterized in that, After issuing the A2 measurement and obtaining the current A2 measurement result, the minimum A1 measurement configuration before and after the update in the first frequency point set is compared, including: If the first frequency point set before the update is empty, then select the target frequency point with the smallest A1 measurement configuration from the first frequency point set after the update and send out A1 measurement; If the first frequency point set before the update is not empty, and the minimum A1 measurement configuration before the update in the first frequency point set is not greater than the minimum A1 measurement configuration after the update, then the issued A1 measurement is maintained; if the minimum A1 measurement configuration before the update is greater than the minimum A1 measurement configuration after the update, then the issued A1 measurement is deleted, and the minimum A1 measurement configuration after the update is selected from the first frequency point set to issue A1 measurement.
3. The control method for heterogeneous frequency and heterogeneous system measurement as described in claim 2, characterized in that, After obtaining the current A2 measurement result by issuing A2 measurement, if the updated second frequency point set is empty, the issued A2 measurement is deleted; if the updated second frequency point set is not empty, the issued A2 measurement is deleted, and the target frequency point with the largest A2 measurement configuration is selected from the updated second frequency point set to issue A2 measurement.
4. The control method for inter-frequency and inter-system measurement as described in claim 1, characterized in that, After issuing the A1 measurement and obtaining the current A1 measurement result, the maximum A2 measurement configuration before and after the update in the second frequency point set is compared, including: If the second frequency point set before the update is empty, then select the target frequency point with the largest A2 measurement configuration from the updated second frequency point set and send out A2 measurements; If the second frequency point set before the update is not empty, and the maximum A2 measurement configuration before the update in the second frequency point set is not less than the maximum A2 measurement configuration after the update, then the issued A2 measurement is maintained; if the maximum A2 measurement configuration before the update is less than the maximum A2 measurement configuration after the update, then the issued A2 measurement is deleted, and the maximum A2 measurement configuration after the update is selected from the second frequency point set to issue A2 measurement.
5. The control method for inter-frequency and inter-system measurement as described in claim 4, characterized in that, After the A1 measurement is issued and the current A1 measurement result is obtained, if the updated first frequency point set is empty, the issued A1 measurement is deleted; if the updated first frequency point set is not empty, the issued A1 measurement is deleted, and the target frequency point with the smallest A1 measurement configuration is selected from the updated first frequency point set to issue the A1 measurement.
6. A control system for measuring different frequencies and systems, characterized in that, include: The configuration unit is used to perform A1 measurement configuration and A2 measurement configuration for each target frequency point of the different frequency and system. Update unit; The first measurement unit selects the maximum parameter of the A2 measurement configuration from the second frequency point set, sends an A2 measurement to the target frequency point corresponding to the maximum parameter, obtains the A2 measurement result, determines the first target frequency point, the A2 measurement configuration of the first target frequency point is not less than the A2 measurement result, and starts inter-frequency and inter-system measurement for the first target frequency point. The updating unit updates the first frequency point set and the second frequency point set, including: deleting the first target frequency point from the second frequency point set and adding the first target frequency point to the first frequency point set; The second measurement unit selects the minimum parameter related to the A1 measurement configuration from the first frequency point set, sends an A1 measurement to the target frequency point corresponding to the minimum parameter, obtains the A1 measurement result, determines the second target frequency point, the A1 measurement configuration of the second target frequency point is not greater than the A1 measurement result, and stops inter-frequency and inter-system measurement for the second target frequency point; the update unit updates the first frequency point set and the second frequency point set, including: deleting the second target frequency point from the first frequency point set and adding the second target frequency point to the second frequency point set.
7. The control system for heterogeneous frequency and heterogeneous system measurement as described in claim 6, characterized in that, After the first measurement unit issues an A2 measurement to obtain the current A2 measurement result, it compares the minimum A1 measurement configuration before and after the update in the first frequency point set. The second measurement unit is further used to: If the first frequency point set before the update is empty, then select the target frequency point with the smallest A1 measurement configuration from the first frequency point set after the update and send out A1 measurement; If the first frequency point set before the update is not empty, and the minimum A1 measurement configuration before the update in the first frequency point set is not greater than the minimum A1 measurement configuration after the update, then the issued A1 measurement is maintained; if the minimum A1 measurement configuration before the update is greater than the minimum A1 measurement configuration after the update, then the issued A1 measurement is deleted, and the minimum A1 measurement configuration after the update is selected from the first frequency point set to issue A1 measurement.
8. The control system for heterogeneous frequency and heterogeneous system measurement as described in claim 7, characterized in that, After obtaining the current A2 measurement result by issuing A2 measurement, the first measurement unit is further configured to: if the updated second frequency point set is empty, delete the issued A2 measurement; if the updated second frequency point set is not empty, delete the issued A2 measurement, and select the target frequency point with the largest A2 measurement configuration from the updated second frequency point set to issue A2 measurement.
9. The control system for heterogeneous frequency and heterogeneous system measurement as described in claim 6, characterized in that, After the second measurement unit issues an A1 measurement to obtain the current A1 measurement result, it compares the maximum A2 measurement configuration before and after the update in the second frequency point set. The first measurement unit is also used to: If the second frequency point set before the update is empty, then select the target frequency point with the largest A2 measurement configuration from the updated second frequency point set and send out A2 measurements; If the second frequency point set before the update is not empty, and the maximum A2 measurement configuration before the update in the second frequency point set is not less than the maximum A2 measurement configuration after the update, then the issued A2 measurement is maintained; if the maximum A2 measurement configuration before the update is less than the maximum A2 measurement configuration after the update, then the issued A2 measurement is deleted, and the maximum A2 measurement configuration after the update is selected from the second frequency point set to issue A2 measurement.
10. The control system for heterogeneous frequency and heterogeneous system measurement as described in claim 9, characterized in that, After obtaining the current A1 measurement result by issuing A1 measurement, the second measurement unit is further used to: if the updated first frequency point set is empty, delete the issued A1 measurement; if the updated first frequency point set is not empty, delete the issued A1 measurement, and select the target frequency point with the smallest A1 measurement configuration from the updated first frequency point set to issue A1 measurement.