CN112752272A - Information sending method, measurement configuration method, network management system, base station and storage medium - Google Patents

Information sending method, measurement configuration method, network management system, base station and storage medium Download PDF

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Publication number
CN112752272A
CN112752272A CN201911039676.0A CN201911039676A CN112752272A CN 112752272 A CN112752272 A CN 112752272A CN 201911039676 A CN201911039676 A CN 201911039676A CN 112752272 A CN112752272 A CN 112752272A
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ssb
cell
information
base station
target terminal
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张波
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ZTE Corp
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ZTE Corp
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Priority to PCT/CN2020/122851 priority patent/WO2021083029A1/en
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W16/00Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/24Cell structures
    • H04W16/28Cell structures using beam steering
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W24/00Supervisory, monitoring or testing arrangements
    • H04W24/02Arrangements for optimising operational condition
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W24/00Supervisory, monitoring or testing arrangements
    • H04W24/10Scheduling measurement reports ; Arrangements for measurement reports
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W36/00Hand-off or reselection arrangements

Abstract

Embodiments of the present invention provide an information sending method, a measurement configuration method, a network management system, a base station, and a storage medium, where the base station may create a beam association table based on a handover measurement report of another terminal that has already been handed over, and records SSB beams that need to be measured in various situations in the beam association table. Therefore, after the base station receives the measurement report of the target terminal, the base station can determine which scenes in the beam association table the current situation of the terminal belongs to according to the measurement report, further help the target terminal determine the target SSB beam which needs to be measured and needs to be measured, and determine the strategy of the target terminal for SSB measurement according to the sending opportunity and sending period of the target SSB beam, thereby reducing the redundant measurement of the target terminal, reducing the processing resources and electric energy consumed by the target terminal in the aspect of SSB beam measurement, prolonging the endurance time of the target terminal, and improving the user experience.

Description

Information sending method, measurement configuration method, network management system, base station and storage medium
Technical Field
The present invention relates to the field of communications, and in particular, to an information sending and measurement configuration method, a network management system, a base station, and a storage medium.
Background
In wireless cellular communication systems, an important challenge is the performance of cells at the edge. For this reason, in the 4G LTE system, a beamforming function for a traffic channel is introduced. The spatial channel is improved by beamforming, that is, the amplitude and phase of the transceiving unit of the antenna are adjusted, so that the transmitting/receiving signals of the antenna array in a specific direction are coherently superposed, and the signals in other directions are mutually cancelled. The 5G system inherits the beam forming function of the 4G service channel, and simultaneously, the application range of beam forming is expanded to the broadcast channel. In the current 3GPP protocol, a 5ms window is defined in a broadcast period, and in the window, the base station side can transmit all ssbs (synchronization Signal blocks) in turn in different directions in a time-sharing manner, thereby implementing cell-wide system broadcast.
The number and direction of transmissions of SSBs may vary for different cells in the network. In the 5G system, broadcasting is used for inter-cell mobility measurement in addition to the functions of piggybacking downlink synchronization and initial access information acquisition. Therefore, when the broadcast period, the number of SSBs, or the sending time of the SSBs of a plurality of cells are different, the situation that the neighbor cell cannot be measured easily occurs. For this protocol, an SMTC (measurement timing configuration) period is defined, and SSBs of all neighboring cells need to be included in the period, so that it is ensured that a UE (User Equipment) can measure the SSBs of the neighboring cells to obtain quality information of the SSBs of the neighboring cells. However, when there is a large difference between the number and the timing of SSBs sent in the neighboring cell, the UE may need to monitor all possible SSBs sending positions, thereby increasing the measurement overhead of the UE and speeding up the battery consumption of the UE.
Disclosure of Invention
The information sending and measurement configuration method, the network management system, the base station and the storage medium provided by the embodiment of the invention mainly solve the technical problems that: in the related art, the terminal performs SSB beam detection at all possible SSB sending positions, so that the problems of large detection burden and high power consumption at the terminal side are caused.
In order to solve the foregoing technical problem, an embodiment of the present invention provides an information sending method, including:
sending neighbor cell SSB planning information to a base station; the neighbor cell SSB planning information comprises SSB planning information of cells adjacent to the base station cell under other base stations, and the neighbor cell SSB planning information is used for the base station to determine measurement configuration information belonging to the target terminal according to a target SSB wave beam to be measured by the target terminal.
The embodiment of the invention also provides a measurement configuration method, which comprises the following steps:
receiving a measurement report sent by a target terminal in a cell, wherein the measurement report comprises a current service cell identifier and a service cell SSB beam identifier of the target terminal;
inquiring a target SSB wave beam to be measured by the target terminal in each adjacent area SSB wave beam from a wave beam association table based on an inquiry key value; the query key value comprises the serving cell identifier and the serving cell SSB beam identifier; the beam association table is used for recording a service cell identifier, a neighbor cell identifier, a service cell SSB beam identifier and a neighbor cell SSB beam identifier carried in a switching measurement report reported by a plurality of terminals during switching;
determining measurement configuration information belonging to the target terminal according to the target SSB wave beam of the target terminal and neighbor SSB planning information from the network management system;
and sending the measurement configuration information to the target terminal.
The embodiment of the invention also provides a network management system, which comprises a first processor, a first memory and a first communication bus;
the first communication bus is used for realizing connection communication between the first processor and the first memory;
the first processor is configured to execute one or more programs stored in the first memory to implement the steps of the information sending method.
The embodiment of the invention also provides a base station, which comprises a second processor, a second memory and a second communication bus;
the second communication bus is used for realizing connection communication between the second processor and the second memory;
the second processor is configured to execute one or more programs stored in the second memory to implement the steps of the measurement configuration method described above.
The embodiment of the invention also provides a storage medium, wherein the storage medium stores at least one of an information sending program and a measurement configuration program, and the information sending program can be executed by one or more processors to realize the steps of the information sending method; the measurement configuration program may be executed by one or more processors to implement the steps of the measurement configuration method described above.
The invention has the beneficial effects that:
according to the information sending and measurement configuration method, the network management system, the base station and the storage medium provided by the embodiment of the invention, the base station receives the measurement report sent by the target terminal in the cell, and then inquires the target SSB wave beam to be measured by the target terminal in each neighbor cell SSB wave beam from the wave beam association table based on the inquiry key value comprising the service cell identification and the SSB wave beam identification of the service cell in the measurement report. And the beam association table is used for recording the service cell identifier, the adjacent cell identifier, the service cell SSB beam identifier and the adjacent cell SSB beam identifier carried in a switching measurement report reported by a plurality of terminals during switching in an associated manner. After the target wave beam of the target terminal is inquired, the base station determines measurement configuration information belonging to the target terminal by combining with adjacent cell SSB planning information sent by the network management system, and sends the measurement configuration information to the target terminal, so that the target terminal detects the SSB wave beam of the adjacent cell at a corresponding detection time according to the measurement configuration information. The switching measurement report of one terminal can reflect which neighbor cell SSB beams are measured under which scene when the terminal is switched, so that the base station creates a beam association table based on the switching measurement reports of other switched terminals, after the base station receives the measurement report of the target terminal, the base station can determine which scene the current situation of the terminal belongs to according to the measurement report, further help the target terminal determine the target SSB beams which need to be measured and need to be measured, and determine the strategy of SSB measurement of the target terminal according to the sending opportunity and sending period of the target SSB beams, thereby reducing the redundant measurement of the target terminal, reducing the processing resources and electric energy consumed by the target terminal in the aspect of SSB beam measurement, prolonging the endurance time of the target terminal, and improving the user experience.
Additional features and corresponding advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
Fig. 1 is a flowchart of a measurement configuration method according to an embodiment of the present invention;
fig. 2 is a flowchart illustrating a base station creating a beam association table according to an embodiment of the present invention;
fig. 3 is a flowchart of an information sending method according to an embodiment of the present invention;
fig. 4 is a flowchart illustrating a process of determining a final detection opportunity bitmap for a target terminal by a base station according to a first embodiment of the present invention;
fig. 5 is a flowchart illustrating a method for a base station to determine a final detection period for a target terminal according to a first embodiment of the present invention;
fig. 6 is a flowchart of a measurement configuration scheme provided in the second embodiment of the present invention;
fig. 7 is a schematic diagram of an SSB beam of two cells according to a second embodiment of the present invention;
fig. 8 is a schematic diagram of an SSB beam of three cells provided in three examples 1 of the embodiment of the present invention;
fig. 9 is a schematic diagram of an SSB beam of three cells provided in three examples 1 of the embodiment of the present invention;
fig. 10 is a schematic diagram of a hardware structure of a network management system according to a fourth embodiment of the present invention;
fig. 11 is a schematic hardware structure diagram of a base station according to a fourth embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention are described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The embodiment of the invention provides an information sending method and a measurement configuration method, wherein the information sending method comprises the following steps:
sending neighbor cell SSB planning information to a base station; the neighbor cell SSB planning information comprises SSB planning information of cells adjacent to the base station cell under other base stations, and the neighbor cell SSB planning information is used for the base station to determine measurement configuration information belonging to the target terminal according to a target SSB wave beam to be measured by the target terminal.
In some examples, the information transmitting method further includes:
and sending an inter-cell intersection beam relation table to the base station, wherein the inter-cell intersection beam relation table comprises the intersection relation between the SSB beam of the cell under the base station and the SSB beam of the adjacent cell.
In some examples, transmitting the inter-cell intersecting beam relationship table to the base station comprises, before:
acquiring cell site information and SSB planning information, wherein the cell site information can represent the position of each cell, and the SSB planning information comprises SSB planning information and adjacent cell planning information of the cells in the base station;
and determining the intersection relation between the SSB wave beam of the cell under the base station and the SSB wave beam of the adjacent cell according to the cell site information and the SSB planning information.
The measurement configuration method provided by the embodiment of the invention comprises the following steps:
receiving a measurement report sent by a target terminal in a cell, wherein the measurement report comprises a current service cell identifier and a service cell SSB beam identifier of the target terminal;
inquiring a target SSB wave beam to be measured by the target terminal in each neighbor SSB wave beam from the wave beam association table based on the inquiry key value; the query key value comprises a service cell identifier and a service cell SSB beam identifier; the beam association table is used for recording a service cell identifier, a neighbor cell identifier, a service cell SSB beam identifier and a neighbor cell SSB beam identifier carried in a switching measurement report reported by a plurality of terminals during switching in an associated manner;
determining measurement configuration information belonging to a target terminal according to a target SSB wave beam of the target terminal and neighbor SSB planning information from a network management system;
and sending the measurement configuration information to the target terminal.
In some examples, the measurement configuration information includes a final detection opportunity bitmap and a final detection period; determining measurement configuration information belonging to a target terminal according to a target SSB wave beam of the target terminal and neighbor SSB planning information from a network management system, wherein the measurement configuration information comprises a process of determining a final detection opportunity bitmap and a process of determining a final detection period;
the process of determining the final detection opportunity bitmap includes:
respectively determining detection opportunity bitmaps of each adjacent cell corresponding to the target terminal according to the adjacent cell SSB planning information and the target SSB wave beam;
the effective detection positions in the detection opportunity bitmaps of all the adjacent cells are merged to obtain the final detection opportunity bitmap of the target terminal;
the process of determining the final detection period includes:
determining a detection period for the target terminal to perform SSB wave beam detection on each neighboring cell according to the SSB planning information of the neighboring cells;
and taking the minimum value in each detection period as the final detection period.
In some examples, before querying, based on the query key, a target SSB beam to be measured by the target terminal in each neighboring SSB beam from the beam association table, the method further includes:
collecting handover measurement reports of a plurality of terminals;
extracting table creating information in each switching measurement report, wherein the table creating information comprises a service cell identifier, a neighbor cell identifier, a service cell SSB wave beam identifier and a neighbor cell SSB wave beam identifier;
performing statistical classification on the extracted table creation information according to the record key values;
and recording the table creation information after the statistics and the classification into a beam association table according to a record key value, wherein the record key value is composed of a service cell identifier, an adjacent cell identifier, a service cell SSB beam identifier and an adjacent cell SSB beam identifier.
In some examples, after statistically classifying the extracted table creation information according to the record key value, the method further includes:
determining the corresponding statistical times of each record key value;
and eliminating the record key values with the statistical times smaller than the preset statistical times and the table creation information thereof.
Optionally, the table creation information further includes a serving cell SSB beam quality level; recording the statistical classified table creation information into a beam association table according to a record key value, wherein the record key value comprises the following steps:
for a record key value, determining the quality grade of the SSB wave beam of the representative service cell belonging to the record key value according to the quality grade of the SSB wave beam of the service cell in the table establishing information belonging to the record key value;
and associating and recording each record key value and the corresponding representative service cell SSB beam quality grade of each record key value in the beam association table.
In some examples, when the table creation information includes the quality level of the serving cell SSB beam, the query key further includes the quality level of the serving cell SSB beam corresponding to the quality of the serving cell SSB beam included in the measurement report reported by the target terminal.
Optionally, the table creation information further includes a neighboring cell SSB beam quality level; recording the statistical classified table creation information into a beam association table according to a record key value, wherein the record key value comprises the following steps:
for a record key value, determining a representative neighbor cell SSB wave beam quality grade belonging to the record key value according to the neighbor cell SSB wave beam quality grade in each table creation information belonging to the record key value;
and recording each record key value and the corresponding quality grade of the SSB beam of the representative adjacent region in the beam association table in an associated manner.
Optionally, before collecting handover measurement reports of a plurality of terminals, the method further includes:
receiving an inter-cell intersection beam relation table sent by a network management system, wherein the inter-cell intersection beam relation table comprises the intersection relation between the SSB beam of a cell under the base station and the SSB beam of an adjacent cell;
collecting handover measurement reports for a plurality of terminals includes:
receiving a switching measurement report reported by each terminal;
and removing a first switching measurement report and a second switching measurement report according to the inter-cell intersection beam relation table, wherein the first switching measurement report is a switching measurement report of which the SSB beam corresponding to the carried neighbor cell SSB beam identifier does not have an intersection relation with the cell SSB beam under the base station, and the second switching measurement report is a switching measurement report of which the SSB beam corresponding to the carried service cell SSB beam identifier does not have an intersection relation with the neighbor cell SSB beam.
Optionally, collecting handover measurement reports of a plurality of terminals comprises:
collecting switching measurement reports of a plurality of terminals which are successfully switched;
and/or the presence of a gas in the gas,
and collecting the switching measurement report of which the quality of the SSB wave beam of the contained service cell is better than the preset quality threshold.
The first embodiment is as follows:
in order to avoid the problem that when a terminal performs measurement of an SSB beam in a neighboring cell, all possible positions where the SSB beam may be sent are detected, so that measurement work at a terminal side consumes a large amount of processing resources and electric energy, this embodiment provides a measurement configuration scheme, where the measurement configuration scheme includes an information sending method implemented by a network management system side and a measurement configuration method at a base station side, and the measurement configuration method provided in this embodiment is described below with reference to fig. 1:
s102: the base station receives a measurement report sent by a target terminal in a cell.
In this embodiment, the base station may receive a measurement report sent by the target terminal, and then determine that the target terminal is required to perform the measurement-side neighbor SSB beam based on the measurement report of the target terminal. The target terminal is a terminal for which the base station is required to determine measurement configuration information of the SSB beam of the neighboring cell, and may be a terminal that has just accessed its serving cell or a terminal that needs to be handed over.
It can be understood that the current serving cell identity and serving cell SSB beam identity of the target terminal may be included in the measurement report sent by the target terminal. However, it will be understood by those skilled in the art that the measurement report of the target terminal may also include other information, such as the current serving cell SSB beam quality of the target terminal or the neighboring cell SSB beam quality.
S104: and the base station inquires a target SSB wave beam to be measured by the target terminal in each adjacent area SSB wave beam from the wave beam association table based on the inquiry key value.
After receiving the measurement report of the target terminal, the base station may extract a query key value from the measurement report of the target terminal, and then query the beam association table according to the query key value, thereby determining which SSB beams of which neighboring cell the target terminal should measure.
The beam association table is constructed based on a handover measurement report reported by a plurality of terminals at the time of handover. The serving cell identifier, the neighbor cell identifier, the serving cell SSB beam identifier, and the neighbor SSB beam identifier carried in the terminal handover reports are recorded in the beam association table in an associated manner. Therefore, the beam association table can characterize the serving cell SSB beams used by the serving cell in which the plurality of terminals are located when performing handover, and reflect which SSB beam information of which neighboring cells the terminal has measured during handover and which SSB beams of the neighboring cells have measured. Therefore, after the base station receives the measurement report sent by the target terminal, the base station can extract a query key value containing the serving cell identifier and the serving cell SSB beam identifier from the measurement report of the target terminal, and then query the neighbor cell identifier and the neighbor SSB beam identifier corresponding to the query key value from the beam association table according to the query key value.
The process of creating the beam association table by the base station is described below with reference to fig. 2:
s202: the base station collects handover measurement reports for a plurality of terminals.
In some examples of this embodiment, the base station may collect handover measurement reports of terminals in cells under the base station for any measurement purpose when creating the beam association table, and in some examples of this embodiment, the handover measurement reports collected by the base station include handover measurement reports triggered by events A3 to a 5.
It should be understood that, in order to construct the beam association table, handover measurement reports of many terminals are required, and in order to ensure the accuracy of the beam association table, a base station is required to collect a large number of handover measurement reports. If the number of the handover measurement reports used for creating the beam association table is not large, the reliability of the target SSB beam matched for the target terminal according to the beam association table is affected, and further the communication effect of the target terminal side is affected.
In some examples of this embodiment, when collecting the handover measurement report, the base station collects only those terminals that have successfully handed over, because a handover measurement report that has successfully handed over a terminal may reflect that when the terminal uses the SSB beam y to communicate in the serving cell x, the SSB beam w of the neighboring cell z is measured, and then the handover is successfully implemented, which indicates that the terminal is accurate to detect the SSB beam w of the neighboring cell z under the SSB beam y in the serving cell x, and therefore, a beam association table created based on a large number of handover measurement reports of terminals that have successfully handed over is higher in reliability, which is beneficial for the base station to accurately match a target SSB beam for a target terminal.
In some other examples of this embodiment, the base station only collects the handover measurement reports that include the quality of the SSB beams of the serving cell better than the preset quality threshold when collecting the handover measurement reports. For those handover measurement reports carrying the SSB beams of the serving cell with quality lower than the preset quality threshold, the base station can directly reject the handover measurement reports. Of course, in some examples of this embodiment, when the base station collects the handover measurement report, it may also determine whether a handover measurement report can be used as a basis for constructing the beam association table based on whether the neighboring SSB beam quality meets the standard.
In some examples, the base station may obtain measurement reports of all terminals that have successfully handed over, and the set of these handover measurement reports for successful handover is referred to as "S1". In addition, the base station may further obtain a handover measurement report that the quality of the SSB beam of the serving cell is better than a preset quality threshold, and record a set of such handover measurement reports as "S2", and when selecting a handover measurement report for creating the beam association table, the base station may select a union of S1 and S2. In some other examples, the base station may also select the intersection of S1 and S2.
S204: the base station extracts the table creation information in each handover measurement report.
After collecting handover measurement reports for constructing the beam association table, the base station may extract table creation information from each handover measurement report. The table creation information is information required for creating a beam association table in a handover measurement report. As described above, the beam association table records the serving cell identifier, the neighbor cell identifier, the serving cell SSB beam identifier, and the neighbor cell SSB beam identifier, and therefore, in this embodiment, the table creation information naturally also includes the serving cell identifier, the neighbor cell identifier, the serving cell SSB beam identifier, and the neighbor cell SSB beam identifier.
It can be understood that, if the beam association table includes the quality class of the serving cell SSB beam in addition to the serving cell id, the neighbor cell id, the serving cell SSB beam id, and the neighbor cell SSB beam id, the table creation information also includes the quality class of the serving cell SSB beam; if the neighbor SSB beam quality level also needs to be recorded in the beam association table, the neighbor SSB beam quality level is included in the table creation information. It should be understood that, although the table creation information is extracted from the handover measurement report, this does not mean that the table creation information is necessarily directly disclosed in the handover measurement report, for example, for the serving cell SSB beam quality class and the neighbor SSB beam quality class, there is no direct record in the handover measurement report, but the serving cell SSB beam quality and the neighbor SSB beam quality are recorded, and therefore, when the base station extracts the table creation information, it is necessary to convert the serving cell SSB beam quality therein into the serving cell SSB beam quality class, or further convert the neighbor SSB beam quality into the neighbor SSB beam quality class.
S206: and performing statistical classification on the extracted table creation information according to the record key value.
After extracting the table creation information in each handover measurement report, the base station may perform statistical classification on the table creation information according to the record key value. For example, in an example of this embodiment, the query key value may be a serving cell identifier and a serving cell SSB beam identifier, but the record key value is formed by four of the serving cell identifier, a neighbor cell identifier, the serving cell SSB beam identifier, and the neighbor SSB beam identifier. That is, if; in the table creation information corresponding to the two handover measurement reports, if at least one of the four kinds of information is different, the record key values corresponding to the two handover measurement reports are different. For example, if the serving cell identifier in a handover measurement report is "1", the measured neighbor cell identifier is "2", the serving cell SSB beam identifier is "0", and the neighbor SSB beam identifier is "2"; in the handover measurement report of the other terminal, the serving cell identifier is "1", the measured neighbor cell identifier is "2", the serving cell SSB beam identifier is "0", and the neighbor SSB beam identifier is "3", and the record key values corresponding to the two handover measurement reports of the other terminal are "1202" and "1203", respectively, so that the two handover measurement reports are in different categories in the beam association table.
S208: and recording the table creating information after the statistics classification into the beam association table according to the record key value.
In the beam association table, one record key value corresponds to one entry, for example, in table 1, the key values 1202 and 1023 belong to different rows:
TABLE 1
Figure BDA0002252486980000111
In the beam association table shown in table 1, the table creation information includes only four of the serving cell identifier, the neighbor cell identifier, the serving cell SSB beam identifier, and the neighbor SSB beam identifier. However, in the beam association table shown in table 2, the quality levels of the serving cell SSB beam and the neighboring cell SSB beam are also included:
TABLE 2
Figure BDA0002252486980000112
In the beam association table shown in table 2, the table creation information includes a serving cell id, a neighbor cell id, a serving cell SSB beam id, a neighbor cell SSB beam id, a serving cell SSB beam quality level, and a neighbor cell SSB beam quality level, and also includes "number of times of statistics". The number of statistics is actually the number of times of occurrence of the handover measurement report corresponding to the same record key value, for example, assuming that 1200 measurement reports corresponding to a record key value are collected by the base station, the number of statistics corresponding to the record key value is 1200. After counting the number of times of statistics corresponding to each record key value, the base station can remove record key values with smaller number of times of statistics and table creation information thereof, because the entries with smaller number of times of statistics have small reference significance when determining the neighbor cell SSB wave beam to be measured for the subsequent terminal, the problem that the query result of the wave beam association table is unreliable is easily caused.
Even if the record key values in the handover measurement reports reported by different terminals are the same, the values of the quality of the SSB beams of the serving cell are basically not completely consistent, and the values of the quality of the SSB beams of the neighboring cell are also basically not completely consistent. Therefore, the same record key value can simultaneously correspond to the qualities of the SSB wave beams of a plurality of service cells and the qualities of the SSB wave beams of a plurality of adjacent cells; in other words, one record key value corresponds to a plurality of different quality levels of the SSB beams of the serving cell, and one record key value also corresponds to a plurality of different quality levels of the SSB beams of the neighboring cell. However, in the beam association table, the quality of the serving cell SSB beam (or the quality level of the serving cell SSB beam) and the quality of the neighboring cell SSB beam (or the quality level of the neighboring cell SSB beam) are converted into representative values, for example, in an example of this embodiment, the table creation content includes the quality level of the serving cell SSB beam, and the base station may perform average calculation or median calculation on the quality levels of the serving cell SSB beams under the same record key value to obtain the quality level of the representative neighboring cell SSB beam of the record key value. In another example of this embodiment, the table creation content includes neighboring cell SSB beam quality ranks, and the base station may perform average calculation or median calculation on the neighboring cell SSB beam quality ranks under the same record key value to obtain the representative neighboring cell SSB beam quality rank of the record key value.
It is understood that, although in the above example, the base station converts the quality of the serving cell SSB beam extracted from the handover measurement report into the corresponding quality level of the serving cell SSB beam, and then performs an average value calculation or a median value calculation on the quality levels of the serving cell SSB beams to obtain the quality level of the representative serving cell SSB beam, the calculation of the quality level of the representative neighbor SSB beam is similar. However, in some other examples of this embodiment, the base station may extract the serving cell SSB beam quality from the handover measurement report, and then perform a mean value calculation or a median value calculation on the serving cell SSB beam qualities under the same record key value to obtain the representative serving cell SSB beam quality. The calculated representative serving cell SSB beam quality is then converted to a representative serving cell SSB beam quality level. The process for calculating the representative neighbor SSB beam quality rank is similar: the base station may extract the neighboring cell SSB beam quality from the handover measurement report, and then perform mean value calculation or median value calculation on the neighboring cell SSB beam qualities under the same record key value to obtain the representative neighboring cell SSB beam quality. And then converting the calculated quality of the representative neighbor cell SSB wave beam into a quality grade of the representative neighbor cell SSB wave beam.
In this embodiment, the information that can characterize the beam Quality of the serving cell SSB and the beam Quality of the neighboring cell SSB includes, but is not limited to, RSRP (Reference Signal Received Power), RSRQ (Reference Signal Received Quality), SINR (Signal to Noise and Interference Ratio), and the like. The method for converting the quality into the quality grade includes various methods, such as an equidistant segmentation method, an unequal segmentation method and a statistical clustering method. In some examples of this embodiment, the base station may define the beam quality < -140dBm to correspond to a quality level of 0, the beam quality [ -140,135) dBm to correspond to a quality level of 1, and so on, in an equally spaced 5dB discretization method.
For a record key value, after determining the quality grade of the SSB beam of the representative service cell belonging to the record key value according to the quality grade of the SSB beam of the service cell in the table creation information corresponding to the record key value, the base station can record the record key values and the quality grade of the SSB beam of the representative service cell corresponding to the record key values in the beam association table in an associated manner.
Similarly, if for the representative neighboring cell SSB beam quality rank of a record key, after the base station determines the representative neighboring cell SSB beam quality rank belonging to the record key according to the neighboring cell SSB beam quality rank in the table creation information belonging to the record key, each record key and the representative neighboring cell SSB beam quality rank corresponding to each record key may be recorded in association in the beam association table.
It is to be appreciated that if the beam association table includes representative serving cell SSB beam quality levels, in some examples, the query key may also include serving cell SSB beam quality levels; if the beam association table includes a representative neighbor SSB beam quality class, the query key may also include the neighbor SSB beam quality class, in some examples.
After the beam association table is created and put into use, if a target terminal reports a measurement report to the base station, the base station may extract query key values, such as a serving cell identifier and a serving cell SSB beam identifier, from the measurement report, so as to query and obtain which target SSB beams need to be detected by each neighbor cell corresponding to the target terminal. Of course, in other examples of this embodiment, the query key value may further include a serving cell SSB beam quality level and/or a neighboring cell SSB beam quality level.
S106: and the base station determines the measurement configuration information belonging to the target terminal according to the target SSB wave beam of the target terminal and the adjacent area SSB planning information from the network management system.
After the base station determines which target beams need to be measured by the target terminal for each neighboring cell, it needs to know at which positions the corresponding neighboring cells can send the corresponding target beams, the period of transmitting the target SSB beams by the corresponding neighboring cells, and the like, and then the measurement configuration information of the target terminal can be determined. The SSB planning information of a cell may indicate which SSB beams the cell will transmit, the angle and width of each SSB beam, and the transmission timing, transmission period, etc. Therefore, after the base station determines the target SSB beams of each neighboring cell corresponding to one target terminal, the base station needs to determine the measurement configuration information belonging to the target terminal according to the neighboring SSB planning information.
For a base station, under normal circumstances, it only stores SSB planning information of cells under the base station, but does not store SSB planning information of cells under other base stations. In this embodiment, the network management system sends the SSB planning information of the neighboring cell to the base station, so that the base station determines the measurement configuration information for the target terminal, please refer to an interaction flow chart of an information sending method applied to the network management system side shown in fig. 3:
s302: and sending the adjacent area SSB planning information to the base station.
It can be understood that the network management system may send the SSB planning information of the neighboring cells to the base station actively, or may be requested by the base station, for example, the base station determines which SSB planning information of the neighboring cells it needs, and then sends a request for the SSB planning information of the neighboring cells to the network management system. And after receiving the request of the base station, the network management system sends the SSB planning information of the corresponding cell to the base station.
In the present embodiment, the measurement configuration information includes a final detection opportunity bitmap (bitmap) and a final detection period. The final detection opportunity bitmap can indicate the time domain position of the target terminal needing beam detection, so that the target terminal completely detects the corresponding target SSB beam in each adjacent cell according to the final detection opportunity bitmap. And the final detection period is the period size of beam detection performed by the target terminal determined after the SSB beam transmission period of each neighboring cell is integrated. It can be seen that, in order to determine the measurement configuration information of the target terminal, the base station needs to determine a final detection opportunity bitmap and a final detection period, the two processes may be performed simultaneously or separately, and the timing sequence of the separate processes is not limited, which will be described below separately, first please refer to the flowchart of fig. 4 for the base station to determine the final detection opportunity bitmap:
s402: and the base station respectively determines the detection opportunity bitmap of each adjacent cell corresponding to the target terminal according to the adjacent cell SSB planning information and the target SSB wave beam.
It can be understood that, after the base station determines that the target terminal needs to measure the target SSB beam of the side of a certain neighboring Cell, the base station may determine, according to the SSB planning information of the neighboring Cell, a detection opportunity bitmap of the target terminal corresponding to the neighboring Cell, for example, if the target terminal needs to measure an SSB beam of the neighboring Cell2 identified as "2", and the neighboring Cell2 plans 8 SSB beams in total, the identifiers are 0 to 7, respectively, and the transmission sequence of the 8 beams is 0- >1- >2- > … - >7, the detection opportunity bitmap of the target terminal corresponding to the neighboring Cell2 is 00100000. Meanwhile, the target terminal also needs to detect the SSB beams of the neighboring Cell3 labeled "2" and "3", and the SSB beam transmission pattern of the neighboring Cell3 is completely consistent with the SSB beam transmission pattern of the neighboring Cell2, so that the detection opportunity bitmap of the target terminal corresponding to the neighboring Cell3 is 01100000.
In some examples of this embodiment, when the base station determines the final detection opportunity bitmap for the target terminal, the base station may not only allow the target terminal to detect the target SSB beam matched from the beam association table, but also may slightly expand the target SSB beam, and allow the target terminal to also detect an SSB beam adjacent to the target SSB beam, so as to improve the comprehensiveness of the detection result of the target terminal.
S404: and the base station collects and gathers the effective detection positions of the detection opportunity bitmaps of the adjacent regions to obtain the final detection opportunity bitmaps of the target terminal.
After the detection opportunity bitmaps of the respective neighboring cells corresponding to the target terminal are respectively determined, the base station may perform a union set on effective detection positions in the detection opportunity bitmaps, and then obtain a final detection opportunity bitmap of the target terminal.
Please refer to the flow chart of fig. 5 for the base station to determine the final detection period:
s502: and determining a detection period for the target terminal to perform SSB wave beam detection on each neighboring cell according to the SSB planning information of the neighboring cells.
The sending periods of different adjacent cells when transmitting the SSB beams are different, the detection periods of the target terminal when detecting the SSB beams of each adjacent Cell are also different, and these sending periods (or detection periods) are usually in a multiple relationship, for example, the detection period of the target terminal for the target SSB beam in the adjacent Cell2 is 20ms, and the detection period for the target SSB beam in the adjacent Cell3 is 40 ms.
S504: and the base station takes the minimum value in each detection period as the final detection period.
After the base station determines the detection periods corresponding to the neighboring cells, the minimum value of the detection periods can be selected as the final detection period of the target terminal, so that the final detection period of the target terminal can adapt to the SSB beam transmission periods of other neighboring cells.
S108: and the base station sends the measurement configuration information to the target terminal.
After the base station determines the measurement configuration information for the target terminal, the base station may send the measurement configuration information to the target terminal, so that the target terminal detects the beam of the neighboring cell based on the measurement configuration information. Alternatively, the base station may configure the measurement configuration information to the target terminal through SSB-MTC and SSB-ToMeasure cells in RRC Connection Reconfiguration.
In the measurement configuration method and the information sending method provided by this embodiment, the base station constructs the beam association table based on the historical measurement reports of the plurality of terminals, so that the SSB beams that the terminal needs to measure in different scenarios are determined by using a large amount of historical measurement data of the terminals, and thus, after a target terminal reports a measurement report to the base station, the base station can determine the current scenario of the target terminal according to the query key value in the measurement report reported by the target terminal, and then query some neighboring SSB beams that the target terminal should measure currently from the beam association table, thereby avoiding the problem that the target terminal indiscriminately measures the SSB beams transmitted by all neighboring cells, which results in large power consumption of the target terminal side and affects the terminal duration and user experience.
Example two:
in this embodiment, a description will be continued on the basis of the first embodiment, please refer to an interaction flowchart of the network management system and the base station in the measurement configuration scheme shown in fig. 6:
s602: and the network management system determines the intersection relation between the SSB wave beam of the cell under the base station and the SSB wave beam of the adjacent cell according to the cell site information and the SSB planning information.
In the foregoing embodiment, the base station determines which handover measurement reports to collect by itself when creating the beam association table. When the base station filters the handover measurement report, the conditions according to which include: whether the terminal corresponding to the switching measurement report is successfully switched or not; whether the quality of the SSB wave beam of the service cell and/or the quality of the SSB wave beam of the adjacent cell in the switching measurement report reach the standard or not.
In this embodiment, the network management system may perform a "primary screening" for the base station before the base station creates the beam association table: the network management system determines which of the SSB beams in each cell under the base station and the SSB beams in the cells under other base stations have an intersection relationship according to the site information of each cell and the SSB planning information, and for a beam for which there is no intersection relationship between the two beams, for example, SSB beam a and SSB beam b, the two beams are not intersected, so that for a terminal currently using SSB beam a, when measuring the SSB beam in the neighboring cell, it is certainly not required to measure SSB beam b.
Therefore, the network management system can determine the intersection relationship between the SSB beam of the cell under the base station and the SSB beam of the neighboring cell based on the cell site information and the SSB planning information. The cell site information can represent the position of each cell, and the SSB planning information includes SSB planning information and neighbor planning information of the cells in the base station. Please refer to the SSB beam diagrams of two cells shown in fig. 7:
the network management system can obtain the distance d between the cells according to the cell site information. Combining the radius of the cell (the radius of the cell1 is r1, the radius of the cell2 is r2), and the SSB beam direction and width of the cell, the network management system can determine the intersected beams between the cells, i.e. the maximum envelope range (2 α and 2 β) between the cells, and the SSB beams of the cell a and the cell2 in the range are the SSB beams with the intersection relationship theoretically. In this way, the network management system can determine the intersection relationship table, as shown in table 3:
TABLE 3
Figure BDA0002252486980000171
If the network management system can obtain the height of the station and the downward inclination angle information of the antenna, the network management system can consider to determine the envelope range in the vertical direction in addition to the intersection relationship in the horizontal direction, and further determine the intersection relationship in the vertical direction.
S604: and the network management system sends an inter-cell intersection beam relation table and adjacent cell SSB planning information to the base station.
After determining the inter-cell intersection beam relationship table, the network management system may send the inter-cell intersection beam relationship table and the neighbor cell SSB planning information to the base station, so that the base station creates a beam association table according to the inter-cell intersection beam relationship table, and determines the measurement configuration information by combining the beam association table and the neighbor cell SSB planning information when performing SSB beam measurement configuration on the target terminal.
S606: and the base station collects the switching measurement reports of a plurality of terminals according to the inter-cell intersecting beam relation table.
In this embodiment, when the base station collects the measurement report of the cell under the base station, the base station may perform the measurement according to the inter-cell intersection beam relationship table, for example, a first handover measurement report and a second handover measurement report are removed according to the inter-cell intersection beam relationship table, where the first handover measurement report is a handover measurement report in which the SSB beam corresponding to the SSB beam identifier of the carried neighboring cell and the SSB beam of the cell under the base station do not have an intersection relationship, and the second handover measurement report is a handover measurement report in which the SSB beam corresponding to the SSB beam identifier of the carried serving cell and the SSB beam of the neighboring cell do not have an intersection relationship.
For example, according to table 3, the base station may not need to collect handover measurement reports carrying the serving cell SSB beam ID of "3" or collect handover measurement reports carrying the neighbor cell ID of "2" and the neighbor SSB beam ID of "3", regardless of whether these handover measurement reports are measurement reports of terminals that have been successfully handed over.
On the other hand, in order to improve the reliability of the beam association table, in this embodiment, the base station only collects handover measurement reports that are successful in handover.
S608: and the base station constructs a beam association table according to the collected switching measurement report.
After collecting a sufficient number of handover measurement reports, the base station creates a beam association table according to the handover measurement reports, and in this embodiment, it is assumed that the beam association table simultaneously includes a serving cell identifier, a neighbor cell identifier, a serving cell SSB beam identifier, a neighbor cell SSB beam identifier, a representative serving cell SSB beam quality class, and a representative neighbor cell SSB beam quality class, and in addition, the beam association table further includes a GPS range. Then the base station needs to extract the serving cell id, the neighbor cell id, the serving cell SSB beam id, the neighbor SSB beam id, the serving cell SSB beam quality, the neighbor SSB beam quality, and the GPS when extracting the table creation information from the handover measurement report.
And then, the base station classifies the switching measurement reports based on the record key values, respectively counts the number of the switching measurement reports corresponding to each record key value, and rejects the road key values with smaller number and without statistical significance and the corresponding switching measurement reports.
The base station may determine the representative serving cell SSB beam quality rank and the representative neighboring cell SSB beam quality rank corresponding to each record key value, and for the manner of determining the representative serving cell SSB beam quality rank and the representative neighboring cell SSB beam quality rank, in the foregoing embodiment, a more detailed description has been made, and details are not repeated here. In order to improve the accuracy of the representative serving cell SSB beam quality level and the representative neighboring cell SSB beam quality level, in this embodiment, the base station may determine the representative serving cell SSB beam quality and the representative neighboring cell SSB beam quality of a record key value based on the serving cell SSB beam quality and the neighboring cell SSB beam quality in each handover measurement report under the record key value, and then convert the representative serving cell SSB beam quality and the representative neighboring cell SSB beam quality to obtain the representative serving cell SSB beam quality level and the representative neighboring cell SSB beam quality level.
For the GPS range, the base station may determine a range as the GPS range corresponding to the record key value according to the GPS position in each handover measurement report under the same record key value.
After determining the representative serving cell SSB beam quality class, the representative neighbor cell SSB beam quality class, and the GPS range corresponding to each record key, the base station may record these information and the corresponding record key into the beam association table.
S610: and the base station receives the measurement report reported by the target terminal.
After the beam association table is created, the base station may receive a measurement report reported by the target terminal, where in the measurement report, the serving cell identifier, the serving cell SSB beam quality measured by the target terminal, the neighboring cell SSB beam quality, and the GPS location of the target terminal are generally present.
S612: and the base station queries the beam association table according to the query key value to determine the target SSB beam.
In this embodiment, the base station may extract a query key value from the measurement report of the target terminal, and optionally, in some examples, the query key value may include: serving cell identity, serving cell SSB beam identity.
Further, in some other examples, the query key may further include at least one of a representative serving cell SSB beam quality level, a representative neighbor SSB beam quality level, and a GPS range.
After determining the query key value corresponding to the target terminal measurement report, the base station may query the beam association table according to the query key value, and then obtain the target SSB beam that the target terminal needs to measure for each neighboring cell.
S614: and the base station determines measurement configuration information belonging to the target terminal according to the target SSB wave beam and the adjacent area SSB planning information.
After the base station determines which target beams need to be measured by the target terminal for each neighbor cell, a final detection opportunity bitmap and a final detection period corresponding to the target terminal can be determined according to the target SSB beam and the neighbor cell SSB planning information: after the detection opportunity bitmaps of the respective neighboring cells corresponding to the target terminal are respectively determined, the base station may perform a union set on effective detection positions in the detection opportunity bitmaps, and then obtain a final detection opportunity bitmap of the target terminal. After the base station determines the detection periods corresponding to the neighboring cells, the minimum value of the detection periods can be selected as the final detection period of the target terminal, so that the final detection period of the target terminal can adapt to the SSB beam transmission periods of other neighboring cells.
It can be understood that the detection opportunity bitmap of each neighboring cell corresponding to the target terminal may be a detection opportunity bitmap obtained after expansion on the basis of the query result of the beam association table.
S616: and the base station sends the measurement configuration information to the target terminal.
The base station may configure the measurement configuration information to the target terminal through SSB-MTC and SSB-ToMeasure cells in RRC Connection Reconfiguration.
According to the measurement configuration scheme provided by this embodiment, the base station can reduce the redundant detection amount of the neighbor cell SSB beam detection performed by the terminal side based on the beam association table, reduce the power consumption and processing resource consumption of the terminal side, and increase the user burden. Moreover, before the base station creates the beam association table, the network management system side determines the inter-cell intersection beam relationship table based on the cell site information and the SSB planning information, so that the service cell SSB beam and the neighbor cell SSB beam which are aimed at by the beam association table created by the base station side are screened out, the burden of the base station side in the aspects of switching the measurement report by the mobile phone and constructing the beam management table is reduced.
Example three:
in order to make those skilled in the art clearly understand the advantages and details of the measurement configuration scheme in the embodiment of the present invention, the present embodiment will describe the foregoing information sending method and measurement configuration method with reference to some examples:
example 1:
in this example, it is assumed that a serving cell and a neighboring cell of a certain target terminal have the same SSB transmission mode, and it is assumed that a networking cell is a 2.6G TDD (Time Division duplex) cell, an SCS (Sub Carrier Spacing) is 30kHz, and the maximum number of transmittable SSB beams is 8.
The serving Cell is Cell1, the neighboring cells are Cell2 and Cell3, and the SSB transmission modes of the serving Cell and the neighboring cells are: the SSB beam transmission period is 20ms, the number of actually transmitted SSB beams is 4, and the corresponding SSB indexes are 0,1,2, and 3, respectively, that is, the bitmap transmitted by the SSB beam is 11110000. SSB beam direction planning is shown in table 4:
TABLE 4
Figure BDA0002252486980000211
[ first step ]
Assuming that the SSB beam diagram between cells is as shown in fig. 8, the network management system may determine the beam envelope range between cells by calculation according to the cell site information and the SSB beam planning information, so as to determine the inter-cell intersecting beam relationship table between the serving cell and the neighboring cell, please refer to table 5:
TABLE 5
Figure BDA0002252486980000212
Figure BDA0002252486980000221
After determining the inter-cell intersection beam relationship table, the network management system may send the inter-cell intersection beam relationship table and the neighbor cell SSB planning information used by the base station to create the beam association table to the base station.
[ second step ]
The base station initiates the collection of handover measurement report information to build a beam association table for the serving cell and the neighbor cells. Among these, one can consider:
(1) the beam association table is not limited to the SSB beam intersection relationship determined in the first step, and the base station may expand the SSB beam in the inter-cell intersection beam relationship table, such as: the inter-cell intersection beam relation table includes a beam ID k, and the base station may add n adjacent beam IDs k-1 to n-k or beam IDs k +1 to the beam association table based on the direction angle relation of the beam.
(2) In order to improve the reliability of the created beam association table, the base station may collect handover measurement reports of only terminals with successful handover.
(3) For collected handover measurement reports, such handover measurement reports may be discarded if the quality information therein does not meet the criteria.
Shown in table 6 is the information extracted by the base station from the collected handover measurement reports for creating the beam association table:
TABLE 6
Figure BDA0002252486980000222
Figure BDA0002252486980000231
[ third step ]
For table 6, the base station may take the information in a period of time to perform statistical classification, thereby constructing a statistical beam relationship table as shown in table 7.
For the serving cell SSB beam quality information and the neighboring cell SSB beam quality information of multiple records with the same record key value, the base station may combine them into 1 record according to a specific policy, and record the total number of times, that is, the number of times of statistics. The specific strategy may include an averaging method, a median or an extremum, and is not limited to a specific strategy.
For the criterion of discretization of the quality information, various methods can be adopted: such as the equidistant 5dB discretization method, define < -140dBm as beam level 0, [ -140,135) dBm as beam level 1.
TABLE 7
Figure BDA0002252486980000232
[ fourth step ]
After receiving a measurement report reported by one terminal (i.e., a target terminal) in the Cell1, the base station may perform search matching in the beam association table according to the serving Cell identifier and the serving Cell SSB beam identifier in the measurement report.
Assume that the serving cell SSB beam ID reported by the target terminal is "0" and the serving cell SSB beam quality is-106 dBm (rank 8). When the measurement of the adjacent area is needed, matching is carried out according to the following steps, and the SMTC configuration is issued:
based on the serving Cell SSB beam ID 0, there are possible neighbor Cell SSB beam IDs 1 and 2 with the beam directions of Cell2 and Cell3, i.e., the SSB bitmap of measurement Cell2 is 00100000, and the SSB bitmap of measurement Cell3 is 01100000.
And then the base station takes a union set of valid detection positions of all the neighbor Cell detection opportunities bitmap, in this example, the base station takes a union set of 01100000 for Cell2 and Cell3, and configures the union set to the target terminal through SSB-MTC and SSB-ToMeasure cells in RRC Connection Reconfiguration.
In some other examples, when the base station determines the measurement configuration information for the target terminal, the following factors may be additionally considered as query key values:
(1) serving cell SSB beam quality level;
(2) a counting frequency factor, and matching is only carried out aiming at the relation of the counting frequency exceeding a certain threshold;
(3) expanding the matching range based on the adjacent beam relationship in the cell: for example, reporting the serving cell SSB beam ID 0 and the matched neighbor SSB beam ID1, and also including the adjacent beam ID1 of the serving cell SSB beam ID 0 and the adjacent beams 0 and 2 of the neighbor SSB beam ID1 in the search range of beam matching.
Example 2:
in this example, it is assumed that a serving cell and a neighboring cell of a certain target terminal have different SSB transmission modes, a networking cell is a 28G TDD cell, an SCS is 120kHz, and the maximum number of SSB beams that can be transmitted is 64.
The serving Cell is Cell1, the neighboring cells are Cell2 and Cell3, and the serving Cell and the neighboring cells adopt different SSB transmission modes. Specific SSB planning information is shown in table 8:
TABLE 8
Figure BDA0002252486980000251
[ first step ]
Assuming that the SSB beam diagram between cells is as shown in fig. 9, the network management system may determine the beam envelope range between cells by calculation according to the cell site information and the SSB beam planning information, so as to determine the inter-cell intersecting beam relationship table between the serving cell and the neighboring cell, please refer to table 9:
TABLE 9
Serving cell ID Neighbor ID Serving cell SSB beam ID Neighbor SSB beam ID
Cell1 Cell2
0,1,2,3,4,5 0,1,2,3,4,5,6,7
Cell1 Cell3 0,1 2,3,4,5,6,7
After determining the inter-cell intersection beam relationship table, the network management system may send the inter-cell intersection beam relationship table and the neighbor cell SSB planning information used by the base station to create the beam association table to the base station.
[ second step ]
The base station initiates the collection of handover measurement report information to build a beam association table for the serving cell and the neighbor cells. Shown in table 10 is the information extracted by the base station from the collected handover measurement reports for creating the beam association table:
watch 10
Figure BDA0002252486980000261
[ third step ]
For table 10, the base station may take the information in a period of time to perform statistical classification, thereby constructing a statistical beam relationship table as shown in table 11.
For the quality information of multiple records of the same beam pair, the average processing is adopted to combine the quality information into 1 record, and the total times are recorded.
For the quality information discretization criterion, a clustering method based on RSRP is adopted, and the specific clustering method is a universal algorithm.
TABLE 11
Figure BDA0002252486980000262
Figure BDA0002252486980000271
[ fourth step ]
After receiving a measurement report reported by one terminal (i.e., a target terminal) in the Cell1, the base station may perform search matching in the beam association table according to the serving Cell identifier and the serving Cell SSB beam identifier in the measurement report.
Assuming that the serving cell SSB beam ID reported by the target terminal is "0", the quality level of the serving cell SSB beam to which the quality of the serving cell SSB beam carried in the measurement report belongs is 3. When the measurement for the adjacent cell is needed, the base station matches the target terminal according to the following mode, and issues the SMTC configuration:
based on the serving Cell SSB beam ID being "0", there are possible neighbor SSB beams whose beam directions are "4", "5", and "6" in the Cell2, and "4", "6", "7", "10", "11" in the Cell 3.
Screening is performed based on the quality level of the SSB beams in the serving Cell, and SSB beams with IDs of "4" and "5" in the Cell2 and SSB beams with IDs of "4", "7", and "10" in the Cell3 are further obtained. Namely, Cell2 was measured to have an SSB bitmap of 000011000.. 000 and Cell3 was measured to have an SSB bitmap of 00001001001000.. 000.
Then, the base station takes the union of the valid detection positions of all the neighbor detection opportunities bitmap, in this example, the union of the valid detection positions of the Cell2 and the Cell 3. Because the SSB transmission periods of the cells 2 and 3 are different, the base station sets the SMTC period to 20ms and the SSB bitmap to 0000110100100.. 000, and configures the target terminal with the SSB-MTC and SSB-ToMeasure cells in the RRC Connection Reconfiguration.
Example four:
the present embodiment provides a storage medium, in which one or more computer programs that can be read, compiled and executed by one or more processors are stored, and in the present embodiment, the storage medium may store at least one of an information sending program and a measurement configuration program, and the information sending program may be used by one or more processors to execute a flow for implementing any one of the information sending methods described in the foregoing embodiments. The measurement configuration program may be used for one or more processors to execute the procedures of implementing any one of the measurement configuration methods described in the foregoing embodiments.
In addition, the present embodiment provides a network management system, as shown in fig. 10: the network management system 100 includes a first processor 101, a first memory 102, and a first communication bus 103 for connecting the first processor 101 and the first memory 102, wherein the first memory 102 may be the storage medium storing the information transmission program. The first processor 101 may read the information transmission program, compile and execute the flow of implementing the information transmission method described in the foregoing embodiment:
the first processor 101 may send neighbor SSB planning information to the base station; the neighbor cell SSB planning information comprises SSB planning information of cells adjacent to the base station cell under other base stations, and the neighbor cell SSB planning information is used for the base station to determine measurement configuration information belonging to the target terminal according to a target SSB wave beam to be measured by the target terminal.
In some examples, the first processor 101 may further send an inter-cell intersection beam relationship table to the base station, where the inter-cell intersection beam relationship table includes an intersection relationship between an SSB beam of a cell under the base station and an SSB beam of a neighbor cell.
In some examples, before sending the inter-cell intersection beam relationship table to the base station, the first processor 101 may first obtain cell address information and SSB planning information, where the cell address information can represent a position of each cell, and the SSB planning information includes SSB planning information and neighboring cell planning information of the cells in the base station. And then, determining the intersection relation between the SSB wave beam of the cell under the base station and the SSB wave beam of the adjacent cell according to the cell site information and the SSB planning information.
In addition, the present embodiment provides a base station, as shown in fig. 11: the base station 110 includes a second processor 111, a second memory 112, and a second communication bus 113 for connecting the second processor 111 and the second memory 112, wherein the second memory 112 may be the storage medium storing the measurement configuration program. The second processor 111 may read the information sending program, compile and execute the procedure of implementing the measurement configuration method described in the foregoing embodiment:
the second processor 111 receives a measurement report sent by a target terminal in a cell, where the measurement report includes a current serving cell identifier and a serving cell SSB beam identifier of the target terminal; then, the second processor 111 queries a target SSB beam to be measured by the target terminal among the SSB beams of each neighboring cell from the beam association table based on the query key value; the query key value comprises a service cell identifier and a service cell SSB beam identifier; and the beam association table is used for recording the service cell identifier, the adjacent cell identifier, the service cell SSB beam identifier and the adjacent cell SSB beam identifier carried in a switching measurement report reported by a plurality of terminals during switching in an associated manner. Subsequently, the second processor 111 determines measurement configuration information belonging to the target terminal according to the target SSB beam of the target terminal and the neighbor SSB planning information from the network management system, and sends the measurement configuration information to the target terminal.
In some examples, the measurement configuration information includes a final detection opportunity bitmap and a final detection period; determining measurement configuration information belonging to a target terminal according to a target SSB wave beam of the target terminal and neighbor SSB planning information from a network management system, wherein the measurement configuration information comprises a process of determining a final detection opportunity bitmap and a process of determining a final detection period; the process of the second processor 111 determining the final detection opportunity bitmap includes: and respectively determining the detection opportunity bitmap of each neighboring cell corresponding to the target terminal according to the SSB planning information of the neighboring cells and the target SSB wave beam of the second processor 111, and acquiring a union set of effective detection positions in the detection opportunity bitmaps of each neighboring cell to obtain a final detection opportunity bitmap of the target terminal.
The process of the second processor 111 determining the final detection period includes:
the second processor 111 determines, according to the SSB planning information of the neighboring cell, a detection period in which the target terminal performs SSB beam detection on each neighboring cell, and then takes a minimum value in each detection period as a final detection period.
In some examples, before querying a target SSB beam to be measured by the target terminal in each neighboring SSB beam from the beam association table based on the query key, the second processor 111 collects handover measurement reports of multiple terminals; then extracting table creating information in each switching measurement report, wherein the table creating information comprises a service cell identifier, an adjacent cell identifier, a service cell SSB wave beam identifier and an adjacent cell SSB wave beam identifier; subsequently, the second processor 111 performs statistical classification on the extracted table creation information according to the record key value, and records the table creation information after the statistical classification into the beam association table according to the record key value, where the record key value is composed of a serving cell identifier, a neighbor cell identifier, a serving cell SSB beam identifier, and a neighbor SSB beam identifier.
In some examples, after the second processor 111 performs statistical classification on the extracted table creation information according to the record key values, the statistical number corresponding to each record key value is also determined, and the record key values and the table creation information thereof with the statistical number smaller than the preset statistical number are rejected.
Optionally, the table creation information further includes a serving cell SSB beam quality level; when the second processor 111 records the statistically classified table creation information into the beam association table according to the record key value, for one record key value, determining a representative service cell SSB beam quality level belonging to the record key value according to the service cell SSB beam quality level in each table creation information belonging to the record key value; and associating and recording each record key value and the corresponding representative service cell SSB beam quality grade of each record key value in the beam association table.
In some examples, when the table creation information includes the quality level of the serving cell SSB beam, the query key further includes the quality level of the serving cell SSB beam corresponding to the quality of the serving cell SSB beam included in the measurement report reported by the target terminal.
Optionally, the table creation information further includes a neighboring cell SSB beam quality level; when the second processor 111 records the statistically classified table creation information into the beam association table according to the record key value, the second processor 111 determines, for one record key value, a representative neighbor cell SSB beam quality class belonging to the record key value according to the neighbor cell SSB beam quality class in each table creation information belonging to the record key value; and then, recording each record key value and the corresponding quality grade of the SSB beam of the representative adjacent region in the beam association table in an associated manner.
Optionally, before collecting the handover measurement reports of the multiple terminals, the second processor 111 may also receive an inter-cell intersection beam relationship table sent by the network management system, where the inter-cell intersection beam relationship table includes an intersection relationship between the SSB beam of the cell under the base station and the SSB beam of the neighboring cell;
the second processor 111 may receive the handover measurement report reported by each terminal when collecting the handover measurement reports of multiple terminals; and then, a first switching measurement report and a second switching measurement report are removed according to the inter-cell intersection beam relation table, the first switching measurement report is a switching measurement report of which the SSB beam corresponding to the carried SSB beam identifier of the adjacent cell does not have an intersection relation with the SSB beam of the cell under the base station, and the second switching measurement report is a switching measurement report of which the SSB beam corresponding to the carried SSB beam identifier of the service cell does not have an intersection relation with the SSB beam of the adjacent cell.
Alternatively, when the second processor 111 collects handover measurement reports of multiple terminals, it may collect handover measurement reports of multiple terminals that have succeeded in handover; and/or collecting the switching measurement report of the quality of the SSB wave beam of the contained service cell being better than the preset quality threshold.
In the network management system and the base station provided by this embodiment, because the base station creates the beam association table based on the handover measurement report of the other terminal that has been handed over, after the base station receives the measurement report of the target terminal, it can be determined according to the measurement report which scenario the current situation of the terminal belongs to in the beam association table, and further help the target terminal determine the target SSB beam that needs to be measured and needs to be measured, and determine the policy of the target terminal for performing SSB measurement according to the transmission opportunity and the transmission cycle of the target SSB beam, thereby reducing redundant measurement of the target terminal, reducing the processing resources and electric energy consumed by the target terminal in the SSB beam measurement aspect, prolonging the endurance time of the target terminal, and improving user experience.
It is to be understood that the contents of the embodiments of the present invention may be used in combination with each other without conflict.
It will be apparent to those skilled in the art that all or some of the steps of the methods, systems, functional modules/units in the devices disclosed above may be implemented as software (which may be implemented in program code executable by a computing device), firmware, hardware, and suitable combinations thereof. In a hardware implementation, the division between functional modules/units mentioned in the above description does not necessarily correspond to the division of physical components; for example, one physical component may have multiple functions, or one function or step may be performed by several physical components in cooperation. Some or all of the physical components may be implemented as software executed by a processor, such as a central processing unit, digital signal processor, or microprocessor, or as hardware, or as an integrated circuit, such as an application specific integrated circuit. Such software may be distributed over computer-readable media, which may include computer storage media (or non-transitory media) and communication media (or transitory media), executed by a computing device, and in some cases may perform the steps shown or described in a different order than here. The term computer storage media includes volatile and nonvolatile, removable and non-removable media implemented in any method or technology for storage of information such as computer readable instructions, data structures, program modules or other data, as is well known to those of ordinary skill in the art. Computer storage media includes, but is not limited to, RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, Digital Versatile Disks (DVD) or other optical disk storage, magnetic cassettes, magnetic tape, magnetic disk storage or other magnetic storage devices, or any other medium which can be used to store the desired information and which can be accessed by a computer. In addition, communication media typically embodies computer readable instructions, data structures, program modules or other data in a modulated data signal such as a carrier wave or other transport mechanism and includes any information delivery media as known to those skilled in the art. Thus, the present invention is not limited to any specific combination of hardware and software.
The foregoing is a more detailed description of embodiments of the present invention, and the present invention is not to be considered limited to such descriptions. For those skilled in the art to which the invention pertains, several simple deductions or substitutions can be made without departing from the spirit of the invention, and all shall be considered as belonging to the protection scope of the invention.

Claims (15)

1. An information sending method, comprising:
sending neighbor synchronization information block SSB planning information to a base station; the neighbor cell SSB planning information comprises SSB planning information of cells adjacent to the base station cell under other base stations, and the neighbor cell SSB planning information is used for the base station to determine measurement configuration information belonging to the target terminal according to a target SSB wave beam to be measured by the target terminal.
2. The information transmission method as claimed in claim 1, wherein the information transmission method further comprises:
and sending an inter-cell intersection beam relation table to the base station, wherein the inter-cell intersection beam relation table comprises the intersection relation between the SSB beam of the cell under the base station and the SSB beam of the adjacent cell.
3. The information transmitting method of claim 2, wherein before transmitting the inter-cell intersecting beam relationship table to the base station, comprising:
acquiring cell site information and SSB planning information, wherein the cell site information can represent the position of each cell, and the SSB planning information comprises SSB planning information of the cells in the base station and neighbor cell planning information;
and determining the intersection relation between the SSB wave beam of the cell under the base station and the SSB wave beam of the adjacent cell according to the cell site information and the SSB planning information.
4. A measurement configuration method, comprising:
receiving a measurement report sent by a target terminal in a cell, wherein the measurement report comprises a current service cell identifier and a service cell SSB beam identifier of the target terminal;
inquiring a target SSB wave beam to be measured by the target terminal in each adjacent area SSB wave beam from a wave beam association table based on an inquiry key value; the query key value comprises the serving cell identifier and the serving cell SSB beam identifier; the beam association table is used for recording a service cell identifier, a neighbor cell identifier, a service cell SSB beam identifier and a neighbor cell SSB beam identifier carried in a switching measurement report reported by a plurality of terminals during switching;
determining measurement configuration information belonging to the target terminal according to the target SSB wave beam of the target terminal and neighbor SSB planning information from the network management system;
and sending the measurement configuration information to the target terminal.
5. The measurement configuration method according to claim 4, wherein the measurement configuration information includes a final detection opportunity bitmap and a final detection period; the step of determining the measurement configuration information belonging to the target terminal according to the target SSB wave beam of the target terminal and the neighbor SSB planning information from the network management system comprises a step of determining a final detection opportunity bitmap and a step of determining a final detection period;
the process of determining the final detection opportunity bitmap includes:
respectively determining a detection opportunity bitmap of each adjacent cell corresponding to the target terminal according to the adjacent cell SSB planning information and the target SSB wave beam;
taking a union set of effective detection positions in the detection opportunity bitmaps of the adjacent regions to obtain a final detection opportunity bitmap of the target terminal;
the process of determining the final detection period includes:
determining a detection period for the target terminal to perform SSB wave beam detection on each neighboring cell according to the SSB planning information of the neighboring cells;
and taking the minimum value in each detection period as a final detection period.
6. The measurement configuration method according to claim 4 or 5, wherein before querying, based on the query key, a target SSB beam to be measured by the target terminal in each neighboring SSB beam from the beam association table, the method further includes:
collecting handover measurement reports of a plurality of terminals;
extracting table creating information in each switching measurement report, wherein the table creating information comprises a service cell identifier, a neighbor cell identifier, a service cell SSB wave beam identifier and a neighbor cell SSB wave beam identifier;
performing statistical classification on the extracted table creation information according to the record key value;
and recording the list creation information after the statistics and the classification into the beam association list according to the record key value, wherein the record key value consists of a service cell identifier, an adjacent cell identifier, a service cell SSB beam identifier and an adjacent cell SSB beam identifier.
7. The measurement configuration method of claim 6, wherein after statistically classifying the extracted table creation information according to the record key value, further comprising:
determining the corresponding statistical times of each record key value;
and eliminating the record key values with the statistical times smaller than the preset statistical times and the table creation information thereof.
8. The measurement configuration method of claim 6, wherein the table creation information further includes serving cell SSB beam quality level; recording the table creation information after the statistics classification into the beam association table according to the record key value comprises the following steps:
for a record key value, determining a representative service cell SSB wave beam quality grade belonging to the record key value according to the service cell SSB wave beam quality grade in each table creation information belonging to the record key value;
and associating and recording each record key value and the quality grade of the SSB beam of the representative service cell corresponding to each record key value in the beam association table.
9. The measurement configuration method of claim 8, wherein when the table creation information includes a serving cell SSB beam quality level, the query key further includes a serving cell SSB beam quality level corresponding to a serving cell SSB beam quality included in a measurement report reported by the target terminal.
10. The measurement configuration method of claim 6 wherein the table creation information further comprises neighbor SSB beam quality classes; recording the table creation information after the statistics classification into the beam association table according to the record key value comprises the following steps:
for a record key value, determining a representative neighbor cell SSB wave beam quality grade belonging to the record key value according to the neighbor cell SSB wave beam quality grade in each table creation information belonging to the record key value;
and associating and recording each record key value and a representative neighbor cell SSB beam quality grade corresponding to each record key value in the beam association table.
11. The measurement configuration method of claim 6, wherein before collecting handover measurement reports for a plurality of terminals, further comprising:
receiving an inter-cell intersection beam relation table sent by a network management system, wherein the inter-cell intersection beam relation table comprises the intersection relation between the SSB beam of a cell under a base station and the SSB beam of an adjacent cell;
the collecting handover measurement reports of the plurality of terminals comprises:
receiving a switching measurement report reported by each terminal;
and removing a first switching measurement report and a second switching measurement report according to the inter-cell intersection beam relation table, wherein the first switching measurement report is a switching measurement report of which the SSB beam corresponding to the carried neighbor cell SSB beam identifier does not have an intersection relation with the cell SSB beam under the base station, and the second switching measurement report is a switching measurement report of which the SSB beam corresponding to the carried service cell SSB beam identifier does not have an intersection relation with the neighbor cell SSB beam.
12. The measurement configuration method of claim 6, wherein said collecting handover measurement reports for a plurality of terminals comprises:
collecting switching measurement reports of a plurality of terminals which are successfully switched;
and/or the presence of a gas in the gas,
and collecting the switching measurement report of which the quality of the SSB wave beam of the contained service cell is better than the preset quality threshold.
13. A network management system comprises a first processor, a first memory and a first communication bus;
the first communication bus is used for realizing connection communication between the first processor and the first memory;
the first processor is configured to execute one or more programs stored in the first memory to implement the steps of the information transmission method according to any one of claims 1 to 3.
14. A base station comprising a second processor, a second memory, and a second communication bus;
the second communication bus is used for realizing connection communication between the second processor and the second memory;
the second processor is configured to execute one or more programs stored in the second memory to implement the steps of the measurement configuration method according to any of claims 4 to 12.
15. A storage medium storing at least one of an information transmission program and a measurement configuration program, the information transmission program being executable by one or more processors to implement the steps of the information transmission method according to any one of claims 1 to 3; the measurement configuration program is executable by one or more processors to implement the steps of the measurement configuration method of any one of claims 4 to 12.
CN201911039676.0A 2019-10-29 2019-10-29 Information sending method, measurement configuration method, network management system, base station and storage medium Withdrawn CN112752272A (en)

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