CN114258093B - Method and device for configuring switching configuration information - Google Patents
Method and device for configuring switching configuration information Download PDFInfo
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Abstract
The application provides a method and a device for configuring switching configuration information. The method comprises the following steps: acquiring cell measurement information sent by a terminal; determining the switching scene type of the terminal according to the cell measurement information; acquiring a switching configuration strategy corresponding to the switching scene type, and acquiring switching configuration information corresponding to the switching configuration strategy; and sending the switching configuration information to a service base station of the terminal. The switching configuration information corresponds to the switching scene type of the terminal, so that the personalized configuration of the configuration information is realized.
Description
Technical Field
The present application relates to the field of communications technologies, and in particular, to a method and an apparatus for configuring handover configuration information.
Background
In the existing 4G and 5G networks, the configuration process of indoor and outdoor co-frequency switching configuration information generally includes: the base station configures various measurement reporting information and switching configuration information (such as offset value, delay time and the like) for the access terminal uniformly, the terminal measures and reports the measurement reporting information configured by the base station, and the base station performs switching judgment on the terminal according to the uniform switching configuration information, thereby completing the indoor and outdoor same-frequency switching process. Based on the above process, the base station uses the same handover configuration information for all terminals in the cell to make handover decision, and the handover of the cell is too late or too early due to the fact that the handover configuration information is not adaptive to the handover scenario in which the terminal is located.
Disclosure of Invention
The embodiment of the application provides a method and a device for configuring switching configuration information, which are used for improving the accuracy of cell switching.
In a first aspect, an embodiment of the present application provides a method for configuring handover configuration information, including:
acquiring cell measurement information sent by a terminal;
determining the switching scene type of the terminal according to the cell measurement information;
acquiring a switching configuration strategy corresponding to the switching scene type, and acquiring switching configuration information corresponding to the switching configuration strategy;
and sending the switching configuration information to a service base station of the terminal.
In the embodiment of the application, the switching configuration policy is a first switching configuration policy or a second switching configuration policy;
the first switching configuration strategy corresponds to the first switching configuration information, the second switching configuration strategy corresponds to the second switching configuration information, and the switching judgment condition corresponding to the first switching configuration information is lower than the switching judgment condition corresponding to the second switching configuration information.
In an embodiment of the present application, the first handover configuration information and the second handover configuration information respectively include at least one of a hysteresis time and a handover offset value of a cell in which the terminal is located, and a hysteresis time and a handover offset value of a neighboring cell of the cell in which the terminal is located;
the first handover configuration information and the second handover configuration information satisfy at least one of the following conditions:
the delay time of the cell in which the terminal is located in the first switching configuration information is less than the delay time of the cell in which the terminal is located in the second switching configuration information;
the handover offset value of the cell in which the terminal is located in the first handover configuration information is smaller than the handover offset value of the cell in which the terminal is located in the second handover configuration information;
the lag time of the adjacent cell of the cell where the terminal is located in the first switching configuration information is less than the lag time of the cell where the terminal is located in the second switching configuration information;
the handover offset value of the neighbor cell of the cell in which the terminal is located in the first handover configuration information is smaller than the handover offset value of the cell in which the terminal is located in the second handover configuration information.
In the embodiment of the present application, acquiring cell measurement information sent by a terminal includes:
acquiring cell measurement information sent by a terminal according to a set period; and/or
And acquiring an A3 measurement report of the terminal, wherein the A3 measurement report carries cell measurement information.
In the embodiment of the present application, determining the handover scenario type of the terminal according to the cell measurement information includes:
extracting a feature vector of cell measurement information;
and clustering the characteristic vectors to obtain the switching scene category of the terminal.
In an embodiment of the present application, obtaining a handover configuration policy corresponding to a handover scenario category includes:
and inquiring the switching scene type and switching configuration strategy relation table according to the switching scene type to obtain a switching configuration strategy corresponding to the switching scene type.
The embodiment of the application also comprises;
acquiring a cell measurement information sample of at least one terminal in at least one cell, and respectively determining the switching scene type of the at least one terminal according to the cell measurement information of the at least one terminal to obtain at least one terminal group, wherein the terminals in the same terminal group belong to the same switching scene type, the first terminal group is any one terminal group in the at least one terminal group, and the first terminal group corresponds to a first switching field Jing Leibie;
determining the average switching times of the terminals in the first terminal group in unit time according to the historical switching records of the terminals in the first terminal group, and determining a switching configuration strategy corresponding to the first switching scene type according to the average switching times;
and obtaining a switching scene type and switching configuration strategy relation table according to the switching configuration strategy corresponding to the switching scene type corresponding to each terminal group in at least one terminal group.
In the embodiment of the present application, determining a switching configuration policy corresponding to each switching scenario category according to an average switching number of times of a terminal in a unit time includes:
if the average switching times of the terminals in the first terminal group in unit time are positioned in a set interval [ U-a, U ], determining that the first switching scene type corresponds to a first switching configuration strategy, otherwise, determining that the first switching scene type corresponds to a second switching configuration strategy; and the U is the maximum value of the average switching times in unit time corresponding to at least one terminal group, and a is greater than 0 and less than U.
In a second aspect, an embodiment of the present application provides a network device, including:
the acquisition module is used for acquiring cell measurement information sent by a terminal;
the category determination module is used for determining the switching scene category of the terminal according to the cell measurement information;
the acquisition module is also used for acquiring a switching configuration strategy corresponding to the switching scene type and acquiring switching configuration information corresponding to the switching configuration strategy;
and the sending module is used for sending the switching configuration information to a service base station of the terminal.
In the embodiment of the application, the switching configuration policy is a first switching configuration policy or a second switching configuration policy;
the first switching configuration strategy corresponds to the first switching configuration information, the second switching configuration strategy corresponds to the second switching configuration information, and the switching judgment condition corresponding to the first switching configuration information is lower than the switching judgment condition corresponding to the second switching configuration information.
In an embodiment of the present application, the first handover configuration information and the second handover configuration information respectively include at least one of a hysteresis time and a handover offset value of a cell in which the terminal is located, and a hysteresis time and a handover offset value of a neighboring cell of the cell in which the terminal is located;
the first handover configuration information and the second handover configuration information satisfy at least one of the following conditions:
the lag time of the cell in which the terminal is located in the first switching configuration information is less than the lag time of the cell in which the terminal is located in the second switching configuration information;
the handover offset value of the cell in which the terminal is located in the first handover configuration information is smaller than the handover offset value of the cell in which the terminal is located in the second handover configuration information;
the delay time of the adjacent cell of the cell where the terminal is located in the first switching configuration information is less than the delay time of the cell where the terminal is located in the second switching configuration information;
the handover offset value of the cell adjacent to the cell in which the terminal is located in the first handover configuration information is smaller than the handover offset value of the cell in which the terminal is located in the second handover configuration information.
In an embodiment of the application, the obtaining module is specifically configured to:
acquiring cell measurement information sent by a terminal according to a set period; and/or
And acquiring an A3 measurement report of the terminal, wherein the A3 measurement report carries cell measurement information.
In an embodiment of the present application, the category determining module is specifically configured to:
extracting a feature vector of cell measurement information;
and clustering the characteristic vectors to obtain the switching scene category of the terminal.
In an embodiment of the application, the obtaining module is further configured to:
and inquiring the switching scene type and switching configuration strategy relation table according to the switching scene type to obtain a switching configuration strategy corresponding to the switching scene type.
In the embodiment of the application, the system further comprises a training module and a relation table determining module;
the training module is used for acquiring cell measurement information of at least one terminal in at least one cell, respectively determining the switching scene category of the at least one terminal according to the cell measurement information of the at least one terminal, and obtaining at least one terminal group, wherein the terminals in the same terminal group belong to the same switching scene category, the first terminal group is any one terminal group in the at least one terminal group, and the first terminal group corresponds to a first switching field Jing Leibie;
the relation table determining module is used for determining the average switching times of the terminals in the first terminal group in unit time according to the historical switching records of the terminals in the first terminal group, and determining a switching configuration strategy corresponding to the first switching scene type according to the average switching times; and obtaining a switching scene type and switching configuration strategy relation table according to the switching configuration strategy corresponding to the switching scene type corresponding to each terminal group in at least one terminal group.
In an embodiment of the application, the relationship table determining module is configured to:
if the average switching times of the terminals in the first terminal group in unit time are positioned in a set interval [ U-a, U ], determining that the first switching scene type corresponds to a first switching configuration strategy, otherwise, determining that the first switching scene type corresponds to a second switching configuration strategy; and the U is the maximum value of the average switching times in unit time corresponding to at least one terminal group, and a is greater than 0 and less than U.
In a third aspect, an embodiment of the present application provides a network device, including a processor, a memory, and a transceiver;
the transceiver receives and transmits data under the control of the processor;
a memory storing computer instructions;
and the processor is used for reading the computer instruction and executing the method for configuring the switching configuration information.
In a fourth aspect, embodiments of the present application provide a computer-readable storage medium storing computer-executable instructions for causing a computer to perform a method for configuring switching configuration information.
In the embodiments of the present application, the switching scene type of the terminal is determined according to the cell measurement information sent by the terminal; acquiring a switching configuration strategy corresponding to the switching scene type, and acquiring switching configuration information corresponding to the switching configuration strategy; and sending the switching configuration information to a service base station of the terminal, so that the service base station performs switching judgment of the terminal according to the switching configuration information. The switching configuration information is corresponding to the switching scene type of the terminal, so that the terminal is prevented from carrying out cell switching too early or too late, and the accuracy of cell switching is improved.
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In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the embodiments of the present application will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 exemplarily illustrates a flowchart of a method for configuring handover configuration information provided in an embodiment of the present application;
fig. 2 is a functional block diagram illustrating a network device according to an embodiment of the present application;
fig. 3 is a diagram illustrating a hardware structure of a network device according to an embodiment of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application clearer, the present application will be described in further detail with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort belong to the protection scope of the present application.
The terms "first", "second" are used only for distinguishing between descriptions and are not to be construed as implying or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the features, and in the description of embodiments of the application, "at least one" means one or more unless stated otherwise.
Some terms in the embodiments of the present application are explained below to facilitate understanding by those skilled in the art.
(1) In the embodiments of the present application, the terms "network" and "system" are often used interchangeably, but those skilled in the art can understand the meaning of the terms.
(2) In the embodiments of the present application, the term "plurality" means two or more, and other terms are similar thereto.
(3) "and/or" describes the association relationship of the associated objects, meaning that there may be three relationships, e.g., a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship.
(4) The network device is a device for providing a wireless communication function for the terminal, and includes but is not limited to: a gbb in 5G, a Radio Network Controller (RNC), a Node B (NB), a Base Station Controller (BSC), a Base Transceiver Station (BTS), a home base station (e.g., home evolved node B or home node B, HNB), a BaseBand Unit (BBU), a transmission point (TRP), a Transmission Point (TP), a mobile switching center (msc), and the like. The base station in the present application may also be a device that provides a terminal with wireless communication functions in other communication systems that may appear in the future.
(5) A terminal is a device that can provide voice and/or data connectivity to a user. For example, the terminal device includes a handheld device, an in-vehicle device, and the like having a wireless connection function. Currently, the terminal device may be: a mobile phone (mobile phone), a tablet computer, a notebook computer, a palm top computer, a Mobile Internet Device (MID), a wearable device, a Virtual Reality (VR) device, an Augmented Reality (AR) device, a wireless terminal in industrial control (industrial control), a wireless terminal in self-driving (self-driving), a wireless terminal in smart grid (smart grid), a wireless terminal in transportation safety (transportation safety), a wireless terminal in smart city (smart city), or a wireless terminal in smart home (smart home), etc.
In an indoor and outdoor same-frequency networking scene, in the configuration process of indoor and outdoor same-frequency switching configuration information, a base station uniformly configures various measurement reporting information and switching configuration information (such as offset value, delay time and the like) for an access terminal, and the base station performs switching judgment according to the uniform switching configuration information. Because the switching scene where the terminal is located is not subdivided, the base station cannot accurately identify the switching scene where the terminal is located, and the difference requirements of the terminal cannot be met. For example, in one case, when the indoor terminal is at the edge of an indoor window or passes through the edge of the window and the signal of the window edge area is strong, the terminal does not need to switch the configuration information; in another situation, when the terminal enters a building, the terminal needs to complete the switching of the configuration information as soon as possible to avoid switching in the case of no signal or poor signal. For the first situation, the switching speed of the terminal may be reduced, and for the second situation, the switching speed of the terminal may be increased, and in the case that the base station configures the switching configuration information in a unified manner, the configuration of the terminal personalized switching configuration information in the two situations cannot be considered at the same time.
In view of the foregoing problems, embodiments of the present application provide a method and an apparatus for configuring handover configuration information. According to the method, the switching scenes where the terminals are located are classified, and the switching configuration information configured by the base station corresponds to the switching scene types where the terminals are located, so that personalized configuration of the switching configuration information is achieved. Specifically, cell measurement information sent by a terminal is acquired, a switching scene type of the terminal is determined according to the cell measurement information, a switching configuration strategy corresponding to the switching scene type and switching configuration information corresponding to the switching configuration strategy are acquired, and the switching configuration information is sent to a service base station where the terminal is located, so that the service base station performs switching judgment according to the switching configuration information. The method can accurately identify the switching scene type corresponding to the terminal and acquire the switching configuration information corresponding to the switching scene type, thereby solving the personalized setting of the switching configuration information under the multi-element switching scene and further maintaining the stable operation of the network.
In some embodiments of the present application, a trained multi-classification model may be used to determine a handover scenario class of a terminal. Specifically, the cell measurement information sent by the terminal is input to the multi-classification model as input data, and the output of the multi-classification model is the switching scene class to which the terminal belongs.
The multi-classification model can be trained in advance, and the training process comprises the following steps: the method comprises the steps of obtaining cell measurement information of at least one terminal in at least one cell, taking the cell measurement information of the at least one terminal as an input parameter of a multi-classification model, extracting a feature vector of the cell measurement information of the at least one terminal, clustering the extracted feature vector according to a preset clustering number, respectively determining the switching scene type of the at least one terminal, and obtaining the multi-classification model.
The cell measurement information includes Reference Signal Receiving Power (RSRP) and/or Reference Signal Receiving Quality (RSRQ) of a cell in which the at least one terminal is located, and PSRP and/or RSRQ of neighboring cells of the cell in which the at least one terminal is located. The RSRP is a linear average of the signal power received on the resource particles carrying cell-specific reference signals on the designated measurement band.
In an optional implementation manner, the obtained cell measurement information includes repeated cell measurement information and abnormal cell measurement information. The repeated cell measurement information means that the parameter values in the obtained cell measurement information are the same, that is, the cell identifiers, RSRPs and the like measured by the terminal are all consistent. The abnormal cell measurement information refers to that a cell measurement information sample sent by a terminal once is incomplete or has abnormal characters due to base station faults, coding errors and the like. Therefore, repeated cell measurement information and abnormal cell measurement information in the obtained cell measurement information can be eliminated, and accuracy of multi-classification model clustering is guaranteed.
Table 1 exemplarily shows samples of the obtained RSRP according to the embodiment of the present application, by taking cell measurement information as RSRP as a training sample.
TABLE 1 RSRP samples
| RSRP_1 | RSRP_2 | RSRP_3 | ... | RSRP_i | ... | RSRP_n | |
| Sample x1 | |||||||
| Sample x2 | |||||||
| ... | |||||||
| Sample xm |
The sample x1 may represent RSRP of at least one cell (including the local cell and the neighboring cell) reported by the terminal 1 in the first reporting period, and the sample x2 may represent RSRP … sample xm of at least one cell (including the local cell and the neighboring cell) reported by the terminal 1 in the second reporting period may represent RSRP of at least one cell (including the local cell and the neighboring cell) reported by the terminal m in the first reporting period.
And respectively determining the switching scene type of at least one terminal according to the cell measurement information of at least one terminal. In specific implementation, the clustering number of the multi-classification model can be preset, the feature vector of the cell measurement information of at least one terminal is extracted, the feature vector is clustered according to the set clustering number, the switching scene category of at least one terminal is respectively determined, and the trained multi-classification model is obtained.
In the clustering process, the characteristic vector is a vector which can represent original information and facilitate algorithm learning by converting original data through data transformation, and can directly describe sample information to the multi-classification model, so that the accuracy of the multi-classification model on a clustering result is improved.
At present, the scale of a communication network is huge, base station cells comprise outdoor macro stations and indoor cells, and if cell measurement information is directly trained, the algorithm complexity is increased steeply and the classification of switching scenes is inaccurate. In an alternative embodiment, the cell measurement information may be first subjected to feature processing, where the feature processing includes dimension reduction compression and data scaling.
Dimension reduction compression is a general term of a series of dimension reduction algorithms, high-dimensional complex sample data is compressed to low-dimensional sample data, loss of sample information is small, and the method is an information concentration mode. The algorithm for performing dimension reduction compression on the cell measurement information in the embodiment of the present application includes, but is not limited to: principal Component Analysis (PCA), singular Value Decomposition (SVD), t-distributed random neighborhood Embedding (t-SNE), multidimensional labeling Analysis (MDS), isometric Feature Mapping (ISOMAP), local Linear Embedding (LLE), and encoding-decoding (Encoder-Decoder) models. In the embodiment of the application, the characteristic dimension of the cell measurement information after dimension reduction is reduced, and the dimension reduction result can be adjusted along with different data redundancy degrees and can be updated in time along with the change of a network system.
The following describes the feature processing procedure by taking the cell measurement information as RSRP as a training sample.
The value range of the RSRP is [ -140dBm, -44dBm ], and the value range is large, so that the training time of the multi-classification model is long, and the clustering result is unstable. Therefore, the RSRP samples are scaled in a standardized and normalized manner in the embodiments of the present application. Normalization can be dimensionless, and the raw feature value of each RSRP sample after transformation is normally distributed with a mean value of 0 and a standard deviation of 1. The normal distribution formula is as follows:
wherein x is the original characteristic value of the RSRP sample, x ′ For the normalized results, μ is the feature mean and σ is the feature variance.
Normalization compresses the raw feature values into the range of [0,1], which is more unambiguous in range than normalization. The normalization formula is as follows:
wherein x is the original characteristic value of RSRP, x' is the normalization result, x min And x max Representing the minimum and maximum values, respectively, of the raw characteristic values of RSRP.
It should be noted that the above-mentioned dimension reduction compression and data scaling are also applicable to RSRQ samples.
And after extracting the characteristic vectors of the cell measurement information, clustering the characteristic vectors, and respectively determining the switching scene category of at least one terminal. The Clustering may be performed by using an unsupervised Clustering Algorithm, which includes, but is not limited to, self-organizing Maps (SOM), gaussian Mixture Models (GMM), K-means Clustering Algorithm (K-means Clustering Algorithm, K-means), X-means Clustering Algorithm, density-Based Noise application space Clustering (Density-Based Clustering of Applications with Noise, dbss), hierarchical Structure-Based equilibrium Iterative Clustering method (Balanced Iterative Clustering and Clustering, BIRCH), determining Ordering points of the Cluster Structure (Ordering Point to identity the Cluster Structure, OPTICS), hierarchical layers, statistical information network (STING), and spectra. In particular embodiments, the clustering may be performed in stages according to the single clustering algorithm or multiple clustering algorithms described above, and the multi-stage clustering includes, but is not limited to, SOM and X-means bonding, SOM and DBSCAN bonding, and BIRCH and DBSCAN bonding. Adjusting clustering parameters through clustering algorithm index values such as Calinski-Harabasz and contour coefficients, and respectively determining the switching scene type of at least one terminal, wherein the clustering algorithm index formula is as follows:
in the formula, CH represents Calinski-Harabasz index, n represents the number of clusters, k represents the current class, trB (k) represents the trace of the inter-class dispersion matrix, and trW (k) represents the trace of the intra-class dispersion matrix; s represents a contour coefficient, D out (i) Represents the average distance between the i point and the out-of-class point, D in (i) Represents the average distance of the i point from the point within the class, i represents the ith sample.
The embodiment of the application can also set the corresponding relationship between the switching scene class and the switching configuration strategy to obtain a switching scene class and switching configuration strategy relationship table, wherein different configuration strategies correspond to different switching configuration information. The switching scene category of at least one terminal is determined through the multi-classification model, the terminal groups can be divided according to the switching scene category, and the terminals in the same terminal group belong to the same switching scene category, so that at least one terminal group can be obtained.
The following describes, by taking the first terminal group as an example, determining a handover configuration policy corresponding to a handover scenario category corresponding to the first terminal group. The first terminal group is any one terminal group in at least one terminal group, and the first terminal group corresponds to a first switching scene category.
In the embodiment of the present application, the average switching number M of the terminals in the first terminal group in a unit time may be determined according to the historical switching records of the terminals in the first terminal group. In specific implementation, the time cycle number of the switching number statistics may be preset, the total switching number of the terminals in the first terminal group in the first switching field Jing Leibie and the terminal number in the first terminal group are counted according to the historical switching record of the terminals in the first terminal group, and the calculation formula of the average switching number M of the terminals in the first terminal group in unit time in the first switching field Jing Leibie is as follows:
and after the average switching times M of the terminals in the first terminal group in the first switching field Jing Leibie in unit time are determined, determining a switching configuration strategy corresponding to the first switching scene type according to the average switching times M. Specifically, whether the average switching frequency M of the terminals in the first terminal group in the unit time under the first switching field Jing Leibie is within the set interval [ U-a, U ] or not is judged, if yes, the first switching scene type is determined to correspond to the first switching configuration strategy, and if not, the first switching scene type is determined to correspond to the second switching configuration strategy. The terminal switching method comprises the following steps that U is the maximum value of the average switching times of the terminals in each terminal group in at least one terminal group in unit time, a is larger than 0 and smaller than U, and a is an empirical value.
And obtaining a switching scene type and switching configuration strategy relation table according to the switching configuration strategy corresponding to the switching scene type corresponding to each terminal group in at least one terminal group.
It should be noted that, in the switching scenario type and switching configuration policy relationship table, different switching scenario types may correspond to the same switching configuration policy. For example, the first switching field Jing Leibie is that the terminal enters the building from the outside of the building, the second switching scene type is that the terminal enters the outside of the building from the inside of the building, and the first switching field Jing Leibie and the second switching scene type both correspond to the first switching configuration policy.
In the embodiment of the application, the switching configuration strategy comprises a first switching configuration strategy or a second switching configuration strategy, and the first switching configuration strategy and the second switching configuration strategy can be suitable for different scenes under indoor and outdoor same-frequency switching. Specifically, indoor and outdoor common frequency switching can be divided into two situations: the first situation is that a building enters or exits a building area such as a building gate and the like, and in order to avoid switching under the condition of no signal or poor signal, a terminal under the situation needs to be switched quickly and corresponds to a first switching configuration strategy; the second situation is that the terminal moves in an indoor remaining area except the first situation, the remaining area is covered by an indoor cell, and in order to prevent adjacent cell interference and waste of Physical Resource Blocks (PRBs), the terminal in the situation needs to delay handover and corresponds to a second handover configuration strategy.
The network device may configure corresponding handover configuration information for the first handover configuration policy and the second handover configuration policy. Specifically, the first handover configuration policy corresponds to the first handover configuration information, the second handover configuration policy corresponds to the second handover configuration information, and the handover decision condition corresponding to the first handover configuration information is lower than the handover decision condition corresponding to the second handover configuration information. For example, for the same cell measurement information of the same terminal, if the first handover configuration information is used to make a handover decision, the handover condition is satisfied, the terminal can perform cell handover, and if the second handover configuration information is used to make a handover decision, the handover condition is not satisfied, and the terminal cannot perform cell handover.
In an embodiment of the present application, the first handover configuration information and the second handover configuration information respectively include at least one of a hysteresis time and a handover offset value of a cell in which the terminal is located, and a hysteresis time and a handover offset value of a neighboring cell of the cell in which the terminal is located, and the first handover configuration information and the second handover configuration information satisfy at least one of the following conditions:
the lag time of the cell in which the terminal is located in the first switching configuration information is less than the lag time of the cell in which the terminal is located in the second switching configuration information;
the handover offset value of the cell in which the terminal is located in the first handover configuration information is smaller than the handover offset value of the cell in which the terminal is located in the second handover configuration information;
the lag time of the adjacent cell of the cell where the terminal is located in the first switching configuration information is less than the lag time of the cell where the terminal is located in the second switching configuration information;
the handover offset value of the neighbor cell of the cell in which the terminal is located in the first handover configuration information is smaller than the handover offset value of the cell in which the terminal is located in the second handover configuration information.
Based on the above description, embodiments of the present application are described in detail below with reference to the accompanying drawings.
Fig. 1 exemplarily shows a flowchart of a method for configuring handover configuration information according to an embodiment of the present application. As shown, the process is performed by a network device, and includes the following steps:
s101: and acquiring cell measurement information sent by the terminal.
In this step, the terminal may report the cell measurement information by periodic reporting or event triggering. The network device may obtain cell measurement information sent by the terminal according to a set period, and/or obtain a terminal A3 measurement report, where the A3 measurement report carries the cell measurement information. The A3 measurement report is sent when the terminal triggers an A3 event and performs handover, the A3 event is that the quality of the adjacent cell is better than that of the service cell, and the A3 event can be used for determining whether the terminal is handed over to the adjacent cell.
The cell measurement information includes RSRP and/or RSRQ of a cell in which the terminal is located, and PSRP and/or RSRQ of neighboring cells of the cell in which the terminal is located. The RSRP is a linear average of the signal power received on the resource particles carrying cell-specific reference signals on the designated measurement band.
S102: and determining the switching scene type of the terminal according to the cell measurement information.
In this step, the switching scene type can be determined according to a multi-classification model trained in advance. Specifically, the cell measurement information is used as an input parameter of the multi-classification model, the feature vectors of the cell measurement information are extracted, and the feature vectors are clustered to obtain the switching scene category corresponding to the terminal. The training process of the multi-classification model is described in the above embodiments and will not be repeated here.
For example, after the cell measurement information is input into the trained multi-class model, the multi-class model outputs a switching scene class of the terminal as a second switching scene class, and the second switching scene class is that the terminal enters the room from the outdoor.
S103: and acquiring a switching configuration strategy corresponding to the switching scene type, and acquiring switching configuration information corresponding to the switching configuration strategy.
In this step, after the switching scene type of the terminal is determined, the switching scene type and the switching configuration policy relation table are queried according to the switching scene type, a switching configuration policy corresponding to the switching scene type is obtained, and switching configuration information corresponding to the switching configuration policy is obtained. The switching scenario type and switching configuration policy relation table records the corresponding relation between the switching scenario type and the switching configuration policy, and the process of establishing the switching scenario type and switching configuration policy relation table is referred to the above embodiment and is not repeated here.
For example, the switching scenario type and the switching configuration policy relationship table are queried according to the second switching scenario type, a first switching configuration policy corresponding to the second switching scenario type is obtained, and first switching configuration information corresponding to the first switching configuration policy is obtained. The related description of the first switching configuration policy and the first switching configuration information is referred to the foregoing embodiments, and will not be repeated here.
S104: and sending the switching configuration information to a service base station of the terminal.
And after the switching configuration information is sent to the service base station of the terminal, the service base station performs switching judgment of the terminal according to the switching configuration information.
For example, the network device sends the first handover configuration information to the serving base station of the terminal, and the serving base station performs handover decision of the terminal according to the first handover configuration information.
In the embodiment of the present application, the cell measurement information of at least one terminal in at least one cell is clustered, the switching scene category of the at least one terminal is respectively determined, so as to obtain a multi-classification model, the terminals in the same terminal group belong to the same switching scene category, a switching configuration policy corresponding to the switching scene category corresponding to each terminal group in the at least one terminal group is determined, and a relationship table between the switching scene category and the switching configuration policy is obtained. Based on a multi-classification model, determining the switching scene type of a terminal according to cell measurement information reported by the terminal, inquiring the switching scene type and a switching scene configuration policy table according to the determined switching scene type, obtaining a switching configuration policy corresponding to the switching scene type of the terminal, obtaining switching configuration information corresponding to the switching configuration policy, and sending the switching configuration information to a service base station where the terminal is located, so that the personalized setting of the switching configuration information of the service cell where the terminal is located under the multi-element switching scene type is realized, and the stable operation of a network is further maintained.
Based on the same technical concept, embodiments of the present application provide a network device, which may implement the functions in the embodiments described above.
Referring to fig. 2, the network device includes an obtaining module 201, a category determining module 202, and a sending module 203.
An obtaining module 201, configured to obtain cell measurement information sent by a terminal;
a category determining module 202, configured to determine a switching scenario category of the terminal according to the cell measurement information;
the obtaining module 201 is further configured to obtain a switching configuration policy corresponding to the switching scene type, and obtain switching configuration information corresponding to the switching configuration policy;
a sending module 203, configured to send the handover configuration information to a serving base station of the terminal.
In the embodiment of the application, the switching configuration policy is a first switching configuration policy or a second switching configuration policy;
the first switching configuration strategy corresponds to the first switching configuration information, the second switching configuration strategy corresponds to the second switching configuration information, and the switching judgment condition corresponding to the first switching configuration information is lower than the switching judgment condition corresponding to the second switching configuration information.
In an embodiment of the present application, the first handover configuration information and the second handover configuration information respectively include at least one of a hysteresis time and a handover offset value of a cell in which the terminal is located, and a hysteresis time and a handover offset value of a neighboring cell of the cell in which the terminal is located;
the first handover configuration information and the second handover configuration information satisfy at least one of the following conditions:
the lag time of the cell in which the terminal is located in the first switching configuration information is less than the lag time of the cell in which the terminal is located in the second switching configuration information;
the handover offset value of the cell in which the terminal is located in the first handover configuration information is smaller than the handover offset value of the cell in which the terminal is located in the second handover configuration information;
the lag time of the adjacent cell of the cell where the terminal is located in the first switching configuration information is less than the lag time of the cell where the terminal is located in the second switching configuration information;
the handover offset value of the cell adjacent to the cell in which the terminal is located in the first handover configuration information is smaller than the handover offset value of the cell in which the terminal is located in the second handover configuration information.
In an embodiment of the present application, the obtaining module 201 is specifically configured to: acquiring cell measurement information sent by a terminal according to a set period; and/or acquiring an A3 measurement report of the terminal, wherein the A3 measurement report carries cell measurement information.
In an embodiment of the present application, the category determining module 202 is specifically configured to:
extracting a feature vector of cell measurement information;
and clustering the characteristic vectors to obtain the switching scene category of the terminal.
In an embodiment of the present application, the obtaining module 201 is further specifically configured to:
and inquiring the switching scene type and switching configuration strategy relation table according to the switching scene type to obtain a switching configuration strategy corresponding to the switching scene type.
In the embodiment of the application, the system further comprises a training module and a relation table determining module;
the system comprises a training module, a switching field module and a switching field module, wherein the training module is used for acquiring cell measurement information of at least one terminal in at least one cell, respectively determining the switching scene category of the at least one terminal according to the cell measurement information of the at least one terminal to obtain at least one terminal group, the terminals in the same terminal group belong to the same switching scene category, the first terminal group is any one terminal group in the at least one terminal group, and the first terminal group corresponds to a first switching field Jing Leibie;
the relation table determining module is used for determining the average switching times of the terminals in the first terminal group in unit time according to the historical switching records of the terminals in the first terminal group, and determining a switching configuration strategy corresponding to the first switching scene type according to the average switching times; and obtaining a switching scene type and switching configuration strategy relation table according to the switching configuration strategy corresponding to the switching scene type corresponding to each terminal group in at least one terminal group.
In an embodiment of the present application, the relationship table determining module is specifically configured to:
if the average switching times of the terminals in the first terminal group in unit time are positioned in a set interval [ U-a, U ], determining that the first switching scene type corresponds to a first switching configuration strategy, otherwise, determining that the first switching scene type corresponds to a second switching configuration strategy; and a is greater than 0 and less than U.
It should be noted that, the network device provided in the embodiment of the present invention can implement all the method steps implemented by the method embodiment and achieve the same technical effect, and detailed descriptions of the same parts and beneficial effects as those of the method embodiment in this embodiment are not repeated herein.
Based on the same technical concept, the embodiment of the application also provides network equipment, and the network equipment can realize the method in the embodiment.
Fig. 3 exemplarily shows a schematic structural diagram of a network-side device in the embodiment of the present application. As shown, the network side device may include: a processor 301, a memory 302, a transceiver 303, and a bus interface 304.
The processor 301 is responsible for managing the bus architecture and general processing, and the memory 302 may store data used by the processor 301 in performing operations. The transceiver 303 is used to receive and transmit data under the control of the processor 301.
The bus architecture may include any number of interconnected buses and bridges, with one or more processors represented by processor 301 and various circuits represented by memory 302 being linked together. The bus architecture may also link together various other circuits such as peripherals, voltage regulators, power management circuits, and the like, which are well known in the art, and therefore, will not be described any further herein. The bus interface provides an interface. The processor 301 is responsible for managing the bus architecture and general processing, and the memory 302 may store data used by the processor 301 in performing operations.
The processes disclosed in the embodiments of the present application may be applied to the processor 301, or implemented by the processor 301. In implementation, the steps of the signal processing flow may be implemented by integrated logic circuits of hardware or instructions in the form of software in the processor 301. The processor 301 may be a general purpose processor, a digital signal processor, an application specific integrated circuit, a field programmable gate array or other programmable logic device, discrete gate or transistor logic, discrete hardware components, or any combination thereof that may implement or perform the methods, steps, and logic blocks disclosed in embodiments of the present application. A general purpose processor may be a microprocessor or any conventional processor or the like. The steps of a method disclosed in connection with the embodiments of the present application may be directly implemented by a hardware processor, or may be implemented by a combination of hardware and software modules in a processor. The software module may be located in ram, flash memory, rom, prom, or eprom, registers, etc. storage media as is well known in the art. The storage medium is located in the memory 302, and the processor 301 reads the information in the memory 302 and completes the steps of the signal processing flow in combination with the hardware thereof. Specifically, the processor 301 is configured to read the computer instructions in the memory 302 and execute the functions implemented by the network device in the flowchart shown in fig. 1.
It should be noted that, the network device provided in the embodiment of the present invention can implement all the method steps implemented by the method embodiment and achieve the same technical effect, and detailed descriptions of the same parts and beneficial effects as those of the method embodiment in this embodiment are not repeated herein.
Embodiments of the present application further provide a computer-readable storage medium, where computer-executable instructions are stored, and the computer-executable instructions are used to enable a computer to execute the method performed by the network device in the foregoing embodiments.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
Claims (14)
1. A method for configuring handover configuration information, comprising:
acquiring cell measurement information sent by a terminal;
determining the switching scene type of the terminal according to the cell measurement information;
acquiring a switching configuration strategy corresponding to the switching scene type, and acquiring switching configuration information corresponding to the switching configuration strategy;
sending the switching configuration information to a service base station of the terminal;
the acquiring of the switching configuration policy corresponding to the switching scene category includes:
inquiring a switching scene type and switching configuration strategy relation table according to the switching scene type to obtain a switching configuration strategy corresponding to the switching scene type;
the switching scene type and switching configuration strategy relation table is determined by the following method:
acquiring cell measurement information of at least one terminal in at least one cell, and respectively determining the switching scene category of the at least one terminal according to the cell measurement information of the at least one terminal to obtain at least one terminal group, wherein the terminals in the same terminal group belong to the same switching scene category, the first terminal group is any one terminal group in the at least one terminal group, and the first terminal group corresponds to a first switching field Jing Leibie;
according to the historical switching records of the terminals in the first terminal group, determining the average switching times of the terminals in the first terminal group in unit time, and determining a switching configuration strategy corresponding to the first switching scene type according to the average switching times;
and obtaining a switching scene type and switching configuration strategy relation table according to the switching configuration strategy corresponding to the switching scene type corresponding to each terminal group in the at least one terminal group.
2. The method of claim 1, wherein the handover configuration policy is a first handover configuration policy or a second handover configuration policy;
the first switching configuration strategy corresponds to first switching configuration information, the second switching configuration strategy corresponds to second switching configuration information, and switching judgment conditions corresponding to the first switching configuration information are lower than switching judgment conditions corresponding to the second switching configuration information.
3. The method of claim 2, wherein the first handover configuration information and the second handover configuration information respectively comprise at least one of a hysteresis time of a cell in which the terminal is located, a handover offset value, and a hysteresis time of a cell adjacent to the cell in which the terminal is located, and a handover offset value;
the first handover configuration information and the second handover configuration information satisfy at least one of the following conditions:
the delay time of the cell in which the terminal is located in the first handover configuration information is less than the delay time of the cell in which the terminal is located in the second handover configuration information;
the handover offset value of the cell in which the terminal is located in the first handover configuration information is smaller than the handover offset value of the cell in which the terminal is located in the second handover configuration information;
the lag time of the cell adjacent to the cell where the terminal is located in the first handover configuration information is less than the lag time of the cell where the terminal is located in the second handover configuration information;
and the switching deviant of the adjacent cell of the cell in which the terminal is positioned in the first switching configuration information is smaller than the switching deviant of the cell in which the terminal is positioned in the second switching configuration information.
4. The method of claim 1, wherein the obtaining cell measurement information sent by the terminal comprises:
acquiring the cell measurement information sent by the terminal according to a set period; and/or
And acquiring an A3 measurement report of the terminal, wherein the A3 measurement report carries cell measurement information.
5. The method of claim 1, wherein the determining the handover scenario category of the terminal according to the cell measurement information comprises:
extracting a feature vector of the cell measurement information;
and clustering the characteristic vectors to obtain the switching scene type of the terminal.
6. The method of claim 1, wherein the determining the handover configuration policy corresponding to the first handover scenario category according to the average number of handovers comprises:
if the average switching times of the terminals in the first terminal group in unit time are positioned in a set interval [ U-a, U ], determining that the first switching scene type corresponds to a first switching configuration strategy, otherwise, determining that the first switching scene type corresponds to a second switching configuration strategy; and U is the maximum value of the average switching times in the unit time corresponding to the at least one terminal group, and a is greater than 0 and less than U.
7. A network device, comprising:
the acquisition module is used for acquiring cell measurement information sent by a terminal;
a category determining module, configured to determine a switching scenario category of the terminal according to the cell measurement information;
the obtaining module is further configured to obtain a switching configuration policy corresponding to the switching scene type, and obtain switching configuration information corresponding to the switching configuration policy;
a sending module, configured to send the handover configuration information to a serving base station of the terminal;
the acquiring of the switching configuration policy corresponding to the switching scene category includes:
inquiring a switching scene type and switching configuration strategy relation table according to the switching scene type to obtain a switching configuration strategy corresponding to the switching scene type;
the switching scene type and switching configuration strategy relation table is determined by the following method:
acquiring cell measurement information of at least one terminal in at least one cell, and respectively determining the switching scene category of the at least one terminal according to the cell measurement information of the at least one terminal to obtain at least one terminal group, wherein the terminals in the same terminal group belong to the same switching scene category, the first terminal group is any one terminal group in the at least one terminal group, and the first terminal group corresponds to a first switching field Jing Leibie;
according to the historical switching records of the terminals in the first terminal group, determining the average switching times of the terminals in the first terminal group in unit time, and determining a switching configuration strategy corresponding to the first switching scene type according to the average switching times;
and obtaining a switching scene type and switching configuration strategy relation table according to the switching configuration strategy corresponding to the switching scene type corresponding to each terminal group in the at least one terminal group.
8. The network device of claim 7, wherein the handover configuration policy is a first handover configuration policy or a second handover configuration policy;
the first switching configuration strategy corresponds to first switching configuration information, the second switching configuration strategy corresponds to second switching configuration information, and switching judgment conditions corresponding to the first switching configuration information are lower than switching judgment conditions corresponding to the second switching configuration information.
9. The network device of claim 8, wherein the first handover configuration information and the second handover configuration information respectively include at least one of a hysteresis time of a cell in which the terminal is located, a handover offset value, and a hysteresis time of a neighbor cell of the cell in which the terminal is located, and a handover offset value;
the first handover configuration information and the second handover configuration information satisfy at least one of the following conditions:
the delay time of the cell in which the terminal is located in the first handover configuration information is less than the delay time of the cell in which the terminal is located in the second handover configuration information;
the handover offset value of the cell in which the terminal is located in the first handover configuration information is smaller than the handover offset value of the cell in which the terminal is located in the second handover configuration information;
the lag time of the cell adjacent to the cell where the terminal is located in the first handover configuration information is less than the lag time of the cell where the terminal is located in the second handover configuration information;
and the switching deviant of the adjacent cell of the cell in which the terminal is positioned in the first switching configuration information is smaller than the switching deviant of the cell in which the terminal is positioned in the second switching configuration information.
10. The network device of claim 7, wherein the obtaining module is specifically configured to:
acquiring the cell measurement information sent by the terminal according to a set period; and/or
And acquiring an A3 measurement report of the terminal, wherein the A3 measurement report carries cell measurement information.
11. The network device of claim 7, wherein the category determination module is specifically configured to:
extracting a feature vector of the cell measurement information;
and clustering the characteristic vectors to obtain the switching scene type of the terminal.
12. The network device of claim 7, wherein the relationship table determination module is to:
if the average switching times of the terminals in the first terminal group in unit time are located in a set interval [ U-a, U ], determining that the first switching scene type corresponds to a first switching configuration strategy, otherwise, determining that the first switching scene type corresponds to a second switching configuration strategy; and the U is the maximum value of the average switching times in the unit time corresponding to the at least one terminal group, and a is greater than 0 and less than U.
13. A network device comprising a processor, a memory, a transceiver;
the transceiver receives and transmits data under the control of the processor;
the memory storing computer instructions;
the processor, reading the computer instructions, performing the method of any one of claims 1-6.
14. A computer-readable storage medium having stored thereon computer-executable instructions for causing a computer to perform the method of any one of claims 1-6.
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| CN102427595A (en) * | 2011-12-29 | 2012-04-25 | 北京邮电大学 | Method and device for controlling adaptive optimization switching for heterogeneous converged wireless network |
| WO2018130064A1 (en) * | 2017-01-10 | 2018-07-19 | 中兴通讯股份有限公司 | Base station supporting distributed multiple scenes, creation and communication method thereof and storage medium |
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| DE60237237D1 (en) * | 2002-06-05 | 2010-09-16 | Nokia Corp | HANDOVER IN A COMMUNICATION NETWORK |
| CN101137217B (en) * | 2007-01-30 | 2010-12-08 | 中兴通讯股份有限公司 | Combined frequency switch judging method |
| CN102761923B (en) * | 2011-04-29 | 2015-10-07 | ***通信集团公司 | A kind of cell switch determining method and equipment |
| CN104885524A (en) * | 2013-01-25 | 2015-09-02 | 富士通株式会社 | Handover method based on uplink signal, method for configuring uplink signal, user equipment, and base station |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102427595A (en) * | 2011-12-29 | 2012-04-25 | 北京邮电大学 | Method and device for controlling adaptive optimization switching for heterogeneous converged wireless network |
| WO2018130064A1 (en) * | 2017-01-10 | 2018-07-19 | 中兴通讯股份有限公司 | Base station supporting distributed multiple scenes, creation and communication method thereof and storage medium |
| CN109982395A (en) * | 2017-12-27 | 2019-07-05 | ***通信集团吉林有限公司 | A kind of method and device configuring handoff parameter |
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