Management method and device of indoor antenna, electronic equipment and storage medium
Technical Field
The present application relates to the field of data processing, and in particular, to a method and an apparatus for managing an indoor antenna, an electronic device, and a storage medium.
Background
The indoor distribution system is a scheme for improving the mobile communication link in a building aiming at indoor user groups, and is mainly used for uniformly distributing signals of a mobile base station at each indoor corner by utilizing the indoor antenna distribution system, so that an indoor area is ensured to have ideal signal coverage. With the development of indoor distribution systems, it is more and more common to provide location services using bluetooth positioning technology with low power consumption.
In a related indoor distribution system, the indoor branch antenna is generally integrated with a Bluetooth module, so that signals of a 2.4G frequency band in an indoor scene are strong and the bandwidth is wide. Therefore, when there are other signals close to the 2.4G frequency band in the indoor scene, such as the TD-LTE 2.3G frequency band, the two frequency bands are close to each other, so that interference is easily caused to the 2.3G frequency band, which affects mobile communication signals in the indoor distribution network, and on the other hand, the quality of the location service provided by the intelligent indoor distribution system is also affected. At present, the conventional method is that the KPI index of the system is not good or a user complains to carry out on-site investigation, and the method has high cost and low efficiency and seriously influences the user experience.
Disclosure of Invention
The present application mainly aims to provide a method and an apparatus for managing an indoor antenna, an electronic device, and a storage medium, so as to solve the above technical problems.
In order to achieve the above object, according to a first aspect of the present application, there is provided a method for managing an indoor antenna, the method including:
selecting a target broadcast channel and a target data channel based on the preconfigured broadcast channel list and data channel list;
and pushing a target broadcast channel and a target data channel to the indoor antenna so as to communicate with the Bluetooth module corresponding to the indoor antenna through the target data channel and enable the indoor antenna to broadcast data according to the target broadcast channel.
Further, pushing a target broadcast channel and the target data channel to an indoor antenna, comprising:
transmitting a bluetooth connection request to the indoor antenna, the bluetooth connection request including the selected target data channel;
after the Bluetooth connection with the indoor antenna is established, a target broadcast channel is sent to the indoor antenna through a target data channel, and the target broadcast channel is used as a broadcast channel of a Bluetooth module corresponding to the indoor antenna.
Further, before sending the bluetooth connection request to the indoor antenna, the method further includes:
detecting whether broadcast data sent by a Bluetooth module corresponding to an indoor antenna is received;
transmitting a bluetooth connection request to an indoor antenna, comprising:
and if receiving the broadcast data sent by the Bluetooth module corresponding to the indoor antenna, sending a Bluetooth connection request to the indoor antenna according to a preset connection period.
Further, the method further comprises:
detecting whether an interference signal exists in the target broadcast channel and/or the target data signal;
and if the interference signal exists in the target broadcast channel and/or the target data channel, reselecting the target broadcast channel and/or the target data channel.
Further, detecting the presence of an interfering signal in the target data channel includes:
when detecting that a power signal exists in a target data channel within a preset time period, determining the power of the target data channel;
if the power exceeds a predetermined power value, it is determined that interference exists in the target data channel.
Further, detecting the presence of an interfering signal in the target broadcast channel includes:
when the existence of a power signal in a target broadcast channel within a preset time period is detected, and any one of the following situations occurs, determining that an interference signal exists in the target broadcast channel:
detecting that a target broadcast channel cannot receive a broadcast data packet sent by an indoor antenna;
and detecting that the Bluetooth signal sent by the Bluetooth module corresponding to the indoor antenna is different from the Bluetooth signal sent by the Bluetooth module corresponding to the indoor antenna in the target broadcast channel.
Further, the method further comprises:
and when detecting that the interference signal exists in the target broadcast channel and/or the target data channel, generating corresponding alarm information for reporting.
According to a second aspect of the present application, there is provided an indoor antenna management apparatus, the apparatus including:
a channel selection module for selecting a target broadcast channel and a target data channel based on a pre-configured broadcast channel list and a data channel list;
and the channel configuration module is used for pushing a target broadcast channel and the target data channel to the indoor antenna so as to realize data communication with the Bluetooth module corresponding to the indoor antenna through the target data channel and enable the indoor antenna to broadcast data according to the target broadcast channel.
Further, before sending the bluetooth connection request to the indoor antenna, the channel configuration module is further configured to send the bluetooth connection request to the indoor antenna, where the bluetooth connection request includes the selected target data channel; after the Bluetooth connection with the indoor antenna is established, the target broadcast channel is sent to the indoor antenna through the target data channel, and the target broadcast channel is used as a broadcast channel of a Bluetooth module corresponding to the indoor antenna.
Furthermore, before the bluetooth connection request is sent to the indoor antenna, the channel configuration module is further configured to detect whether broadcast data sent by the bluetooth module corresponding to the indoor antenna is received; and if receiving the broadcast data sent by the Bluetooth module corresponding to the indoor antenna, sending a Bluetooth connection request to the indoor antenna according to a preset connection period.
Further, the apparatus further comprises: the first detection module is further used for detecting whether an interference signal exists in the target broadcast channel and/or the target data signal; and if the interference signal exists in the target broadcast channel and/or the target data channel, reselecting the target broadcast channel and/or the target data channel.
Further, the first detection module is further configured to determine the power of the target data channel when detecting that a power signal exists in the target data channel within a predetermined time period; if the power exceeds a predetermined power value, it is determined that interference exists in the target data channel.
Further, the first detecting module is further configured to detect that a power signal exists in the target broadcast channel within a predetermined time period, and determine that an interference signal exists in the target broadcast channel when any one of the following occurs: detecting that a target broadcast channel cannot receive a broadcast data packet sent by an indoor antenna; and detecting that the Bluetooth signal sent by the Bluetooth module corresponding to the indoor antenna is different from the Bluetooth signal sent by the Bluetooth module corresponding to the indoor antenna in the target broadcast channel.
Further, the apparatus further comprises: and the second detection module is used for generating corresponding alarm information for reporting when detecting that the interference signal exists in the target broadcast channel and/or the target data channel.
According to a third aspect of the present application, there is provided an electronic apparatus comprising:
at least one processor;
and at least one memory, bus connected with the processor; wherein the content of the first and second substances,
the processor and the memory complete mutual communication through the bus;
the processor is used for calling the program instructions in the memory so as to execute the management method of the indoor antenna.
According to a fourth aspect of the present application, there is provided a non-transitory computer-readable storage medium storing computer instructions for causing the computer to perform the above-described method of managing an indoor antenna.
In the embodiment of the application, the target broadcast channel and the target data channel are pushed to the indoor antenna through the pre-configured broadcast channel and the pre-configured data channel and the basis provided for selecting the target broadcast channel and the target data channel, so that the target data channel and the Bluetooth module corresponding to the indoor antenna are in data communication, the indoor antenna broadcasts data according to the target broadcast channel, fine management of the broadcast channel and the data channel in the Bluetooth module corresponding to the indoor antenna is achieved, the interference of indoor positioning by using Bluetooth on mobile communication is solved, and the service quality of Bluetooth positioning is ensured.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, serve to provide a further understanding of the application and to enable other features, objects, and advantages of the application to be more apparent. The drawings and their description illustrate the embodiments of the invention and do not limit it. In the drawings:
fig. 1 is a schematic flow chart of a method for managing an indoor antenna according to an embodiment of the present application;
fig. 2 is a schematic flowchart of another method for managing an indoor antenna according to an embodiment of the present application;
fig. 3 is a flowchart illustrating a method for managing an indoor antenna according to an embodiment of the present application;
fig. 4 is a schematic structural diagram of a management method for an indoor antenna according to an embodiment of the present application;
fig. 5 is a block diagram of a management device for an indoor antenna according to an embodiment of the present application;
fig. 6 is a block diagram of another management apparatus for an indoor antenna according to an embodiment of the present application;
fig. 7 is a block diagram structure diagram of an electronic device according to an embodiment of the present application.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
Example one
As shown in fig. 1, the present application provides a method for managing an indoor antenna, which includes steps S110 to S120.
Step S110, selecting a target broadcast channel and a target data channel based on a preconfigured broadcast channel list and a data channel list;
specifically, the BLE bluetooth works to transmit an ISM 2.4G unlicensed frequency band, the frequency range is 2400-2483.5MHz, the frequency range of the bluetooth may be divided into 40 channel indexes, 0-39 (i.e., numerical values corresponding to frequency intervals), for example, 37, 38, and 39 are used as broadcast channels, the rest are data channels, and all channel bandwidths are 2 MHz. In practical application, the broadcast channel and the data channel can also be represented by an intuitive frequency interval corresponding to the channel.
For embodiments of the present application, at least one channel may be included in the preconfigured broadcast channel list and/or in the data channel list. A user selects a target broadcast channel and a target data channel via an electronic device. In practical application, the electronic device may be a terminal device such as a mobile phone, a PC, a notebook, a server, or a network interconnection device such as a gateway.
And step S120, pushing the target broadcast channel and the target data channel to the indoor antenna so as to communicate with the Bluetooth module corresponding to the indoor antenna through the target data channel, and enabling the indoor antenna to broadcast data according to the target broadcast channel.
According to the embodiment of the application, the target broadcast channel and the target data channel are pushed to the indoor antenna through the pre-configured broadcast channel and the pre-configured data channel on the basis provided for selecting the target broadcast channel and the target data channel, so that the target data channel is in data communication with the Bluetooth module corresponding to the indoor antenna, the indoor antenna broadcasts data according to the target broadcast channel, fine management of the broadcast channel and the data channel in the Bluetooth module corresponding to the indoor antenna is achieved, the problem that mobile communication is interfered by indoor positioning through Bluetooth in the prior art is solved, and the service quality of Bluetooth positioning is ensured.
In one implementation, the pushing the target broadcast channel and the target data channel to the indoor antenna in step S120 includes: step S121 (not shown in the figure) and step S122 (not shown in the figure).
Step S121, sending a Bluetooth connection request to an indoor antenna, wherein the Bluetooth connection request comprises a selected target data channel;
and step S122, after the Bluetooth connection with the indoor antenna is established, sending a target broadcast channel to the indoor antenna through a target data channel so as to take the target broadcast channel as a broadcast channel of a Bluetooth module corresponding to the indoor antenna.
According to the embodiment of the application, the target data channel for carrying out data communication with the indoor antenna is determined by establishing the Bluetooth connection with the indoor antenna, the purpose of sending the target broadcast channel to the indoor antenna by using the target data channel is achieved, further, the indoor antenna is guaranteed to carry out data broadcast by using the target broadcast channel, and the Bluetooth communication management of the indoor antenna is achieved through the configuration mode of the indoor antenna.
In practical application, for example, after the gateway (i.e., the electronic device) establishes bluetooth connection with the indoor antenna through bluetooth, the gateway sends the target data channel to the indoor antenna, so that configuration of the data channel in the bluetooth module corresponding to the indoor antenna is realized, so that the target data channel is used to send the target broadcast channel to the indoor antenna, configuration of the broadcast channel in the bluetooth module corresponding to the indoor antenna is realized, management of the bluetooth module corresponding to the indoor antenna is completed, and a basis is provided for subsequently utilizing bluetooth to realize indoor positioning.
Specifically, before the bluetooth connection request is sent to the indoor antenna in step S121, the method further includes: step S1211 (not shown), and step S121 includes step S1212 (not shown).
Step S1211, detecting whether broadcast data sent by a Bluetooth module corresponding to the indoor antenna is received;
step S1212, if receiving the broadcast data sent by the bluetooth module corresponding to the indoor antenna, sending a bluetooth connection request to the indoor antenna according to a predetermined connection period.
In the embodiment of the application, the predetermined connection period can be set as required, and in consideration of power consumption and actual requirements, the predetermined connection period is generally set to be 1 connection time in 1 hour, and the maximum time is not more than 1 connection time in 1 day. In practical applications, the predetermined connection period is set by the electronic device, such as by a server, or by a gateway.
In another implementation, as shown in fig. 2, the method includes steps S210 to S240, where steps S210 and S220 are the same as or similar to steps S110 and S120, respectively, and are not repeated herein.
Step S230, detecting whether an interference signal exists in a target broadcast channel and/or a target data signal;
step S240, if there is an interference signal in the target broadcast channel and/or the target data channel, reselecting the target broadcast channel and/or the target data channel.
The method and the device have the advantages that the purpose of self-checking the selected channel is achieved through detecting the interference signals in the selected target broadcast channel and/or the target data channel, if the interference signals exist in the target broadcast channel and/or the target data channel, the step of re-selecting the target broadcast channel and/or the target data channel is achieved, the influence of the interference signals on indoor positioning by using Bluetooth in the prior art is avoided, and the accuracy of indoor positioning is improved.
Specifically, the step S230 of detecting that an interference signal exists in the target data channel includes: step S231 (not shown in the figure) and step S232 (not shown in the figure).
Step S231, when detecting that a power signal exists in a target data channel within a preset time period, determining the power of the target data channel;
step S232, if the power exceeds the predetermined power value, determining that there is interference in the target data channel.
In the embodiment of the application, continuous monitoring for the target data channel is realized through setting of the preset time period, and a judgment condition is provided for determining whether interference exists in the target data channel through setting of the preset power value.
Specifically, the step S230 of detecting that an interference signal exists in the target data channel includes:
detecting that a power signal exists in the target broadcast channel within a predetermined time period, and determining that an interference signal exists in the target broadcast channel when any one of the following situations occurs:
detecting that a target broadcast channel cannot receive a broadcast data packet sent by an indoor antenna;
and detecting that the Bluetooth signal sent by the Bluetooth module corresponding to the indoor antenna is different from the Bluetooth signal sent by the Bluetooth module corresponding to the indoor antenna in the target broadcast channel.
According to the embodiment of the application, through the detection of any one of the situations, the purpose of determining whether the interference signal exists in the target broadcast channel is achieved, and the situation that the target broadcast channel is not properly selected so as to influence the accuracy of subsequent indoor positioning is prevented.
In yet another implementation, as shown in fig. 3, the method includes: step S310 to step S330, wherein step S310 and step S320 are the same as or similar to step S110 and step S120, respectively, and are not repeated herein.
Step S330, when detecting that the interference signal exists in the target broadcast channel and/or the target data channel, generating corresponding alarm information to report to the cloud server.
In practical application, the electronic device executes the management method for the indoor antenna provided by the embodiment of the application, for example, when the electronic device is a gateway and the gateway detects that an interference signal exists in a target broadcast channel and/or a target data channel, the gateway generates corresponding alarm information to be reported to a cloud server; or when the electronic equipment is a server and the server detects that the interference signal exists in the target broadcast channel and/or the target data channel, the server generates corresponding alarm information to be reported to the cloud server. According to the embodiment of the application, the maintenance efficiency of the maintenance personnel is improved through the reported operation.
It should be noted that, in practical application, the implementation shown in fig. 2 and the implementation shown in fig. 3 may be simultaneously referred to, and when an interference signal is detected in a target broadcast channel and/or a target data channel, the interference signal is reported to the cloud server, and the target broadcast channel and/or the target data channel is reselected.
Example two
To further illustrate the method provided by the present application, as shown in fig. 4, the present application includes a server 100, a gateway 200, and several indoor antennas 300.
In this embodiment, the server 100 and the gateway 200 may be connected by a wired connection method such as ethernet, or may be connected by a wireless communication connection method such as 2G/3G/4G. The gateway 200 is connected to the indoor antenna 300 through bluetooth. The server 100 provides an alternative broadcast channel list and data channel list based on pre-configuration.
In practical application, a user may select from a preconfigured broadcast channel list and a data channel list provided by the server 100, select a target broadcast channel and a target data channel, and the server 100 sends the selected target broadcast channel and the selected target data channel to the gateway 200, so that the gateway 200 sends the selected target broadcast channel and the selected target data channel to the indoor antenna 300, thereby completing configuration of a bluetooth module corresponding to the indoor antenna 300. In practical application, the server 100 may further send a preconfigured broadcast channel and a data channel to the gateway 200, and a user may select from the gateway 200 to select a target broadcast channel and a target data channel; or the server sends the selection instruction in the target broadcast channel list and the target data channel category to the gateway 200, and finally the selection of the target broadcast channel and the target data channel is completed.
Before the target broadcast channel and the target data channel are pushed to the indoor antenna, the gateway can perform detection once within 1 hour, whether broadcast data sent by the indoor antenna is received or not is detected, if the broadcast data sent by the indoor antenna 300 is received, the gateway 200 can send a Bluetooth connection request to the indoor antenna and send the target data channel to the indoor antenna 300, so that data communication between the subsequent gateway 200 and the indoor antenna 300 through the target data channel is ensured, and then the target broadcast channel is sent to the indoor antenna 300 through the target data channel, so that the setting of the broadcast channel of the Bluetooth module corresponding to the indoor antenna 300 is completed, and the management of the channel of the Bluetooth module corresponding to the indoor antenna is realized.
After the target broadcast channel and the target data channel are pushed to the indoor antenna, the gateway 200 detects the indoor antenna 300, judges whether continuous interference signals exist in the target broadcast channel and/or the target data channel, and reselects the target broadcast channel and/or the target data channel if continuous interference signals exist in the target broadcast channel and/or the target data channel, so that the influence on the selected target broadcast channel and/or the selected target data channel is avoided, and the accuracy of subsequent indoor positioning is improved.
EXAMPLE III
As shown in fig. 5, the present application provides an indoor antenna management apparatus 40, including: a channel selection module 401 and a channel configuration module 402.
A channel selection module 401 for selecting a target broadcast channel and a target data channel based on a pre-configured broadcast channel list and a data channel list;
a channel configuration module 402, configured to push a target broadcast channel and the target data channel to an indoor antenna, so as to perform data communication with a bluetooth module corresponding to the indoor antenna through the target data channel, and enable the indoor antenna to broadcast data according to the target broadcast channel.
For the embodiment of the application, a basis is provided for selecting the target broadcast channel and the target data channel through the pre-configured broadcast channel and the pre-configured data channel, the target broadcast channel and the target data channel are pushed to the indoor antenna, data communication is carried out on the Bluetooth module corresponding to the indoor antenna through the target data channel, the indoor antenna broadcasts data according to the target broadcast channel, fine management of the broadcast channel and the data channel in the Bluetooth module corresponding to the indoor antenna is achieved, interference of indoor positioning by utilizing Bluetooth to mobile communication is avoided, and the service quality of Bluetooth positioning is ensured.
Further, the channel configuration module 402 is further configured to send a bluetooth connection request to the indoor antenna, where the bluetooth connection request includes the selected target data channel; after the Bluetooth connection with the indoor antenna is established, the target broadcast channel is sent to the indoor antenna through the target data channel, and the target broadcast channel is used as a broadcast channel of a Bluetooth module corresponding to the indoor antenna. Further, before sending the bluetooth connection request to the indoor antenna, the channel configuration module 402 is further configured to detect whether broadcast data sent by the bluetooth module corresponding to the indoor antenna is received; and if receiving the broadcast data sent by the Bluetooth module corresponding to the indoor antenna, sending a Bluetooth connection request to the indoor antenna according to a preset connection period.
Further, as shown in fig. 6, the apparatus further includes:
the first detecting module 403 is further configured to detect whether an interference signal exists in the target broadcast channel and/or the target data signal; and if the interference signal exists in the target broadcast channel and/or the target data channel, reselecting the target broadcast channel and/or the target data channel.
Further, the first detecting module 403 is further configured to determine the power of the target data channel when detecting that a power signal exists in the target data channel within a predetermined time period; if the power exceeds a predetermined power value, it is determined that interference exists in the target data channel.
Further, the first detecting module 403 is further configured to detect that a power signal exists in the target broadcast channel within a predetermined time period, and determine that an interference signal exists in the target broadcast channel when any one of the following occurs: detecting that a target broadcast channel cannot receive a broadcast data packet sent by an indoor antenna; and detecting that the Bluetooth signal sent by the Bluetooth module corresponding to the indoor antenna is different from the Bluetooth signal sent by the Bluetooth module corresponding to the indoor antenna in the target broadcast channel.
Further, as shown in fig. 6, the apparatus further includes:
the second detecting module 404 is configured to generate corresponding warning information for reporting when detecting that an interference signal exists in the target broadcast channel and/or the target data channel.
The embodiment of the present application provides a management device for an indoor antenna, which is suitable for the method shown in the first embodiment or the second embodiment, and details are not repeated herein.
Example four
An embodiment of the present application provides an electronic device, as shown in fig. 7, an electronic device 4000 shown in fig. 7 includes: a processor 4001 and a memory 4003. Processor 4001 is coupled to memory 4003, such as via bus 4002. Optionally, the electronic device 4000 may further comprise a transceiver 4004. It should be noted that the transceiver 4004 is not limited to one in practical applications, and the structure of the terminal device 4000 is not limited to the embodiment of the present application.
Processor 4001 may be a CPU, general purpose processor, DSP, ASIC, FPGA or other programmable logic device, transistor logic device, hardware component, or any combination thereof. Which may implement or perform the various illustrative logical blocks, modules, and circuits described in connection with the disclosure. The processor 4001 may also be a combination that performs a computational function, including, for example, a combination of one or more microprocessors, a combination of a DSP and a microprocessor, or the like.
Bus 4002 may include a path that carries information between the aforementioned components. Bus 4002 may be a PCI bus, EISA bus, or the like. The bus 4002 may be divided into an address bus, a data bus, a control bus, and the like. For ease of illustration, only one thick line is shown in FIG. 7, but this is not intended to represent only one bus or type of bus.
Memory 4003 may be, but is not limited to, a ROM or other type of static storage device that can store static information and instructions, a RAM or other type of dynamic storage device that can store information and instructions, an EEPROM, a CD-ROM or other optical disk storage, an optical disk storage (including compact disk, laser disk, optical disk, digital versatile disk, blu-ray disk, etc.), a magnetic disk storage medium or other magnetic storage device, or any other medium that can be used to carry or store desired program code in the form of instructions or data structures and that can be accessed by a computer.
Optionally, the memory 4003 is used for storing application code for implementing the schemes of the present application, and execution is controlled by the processor 4001. The processor 4001 is configured to execute application codes stored in the memory 4003 to implement the management apparatus for the indoor antenna provided by the embodiment shown in fig. 5 or fig. 6.
For the embodiment of the application, the target broadcast channel and the target data channel are pushed to the indoor antenna through the pre-configured broadcast channel and the pre-configured data channel and the basis provided for selecting the target broadcast channel and the target data channel, so that the data communication is performed through the target data channel and the Bluetooth module corresponding to the indoor antenna, and the indoor antenna broadcasts data according to the target broadcast channel, thereby realizing the fine management of the broadcast channel and the data channel in the Bluetooth module corresponding to the indoor antenna, solving the problem of the interference of indoor positioning on mobile communication by using Bluetooth in the prior art, and ensuring the service quality of Bluetooth positioning.
The embodiment of the present application provides an electronic device, which is suitable for the method shown in the first embodiment, and details are not repeated herein.
The embodiment of the present application provides a computer-readable storage medium, on which a computer program is stored, and the computer program, when executed by a processor, implements the method shown in the first embodiment.
For the embodiment of the application, the target broadcast channel and the target data channel are pushed to the indoor antenna through the pre-configured broadcast channel and the pre-configured data channel and the basis provided for selecting the target broadcast channel and the target data channel, so that the data communication is performed through the target data channel and the Bluetooth module corresponding to the indoor antenna, and the indoor antenna broadcasts data according to the target broadcast channel, thereby realizing the fine management of the broadcast channel and the data channel in the Bluetooth module corresponding to the indoor antenna, solving the problem of the interference of indoor positioning on mobile communication by using Bluetooth in the prior art, and ensuring the service quality of Bluetooth positioning.
It will be apparent to those skilled in the art that the modules or steps of the present application described above may be implemented by a general purpose computing device, they may be centralized on a single computing device or distributed across a network of multiple computing devices, and they may alternatively be implemented by program code executable by a computing device, such that they may be stored in a storage device and executed by a computing device, or fabricated separately as individual integrated circuit modules, or fabricated as a single integrated circuit module from multiple modules or steps. Thus, the present application is not limited to any specific combination of hardware and software.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.