CN111405570A - Network resource allocation method and device - Google Patents
Network resource allocation method and device Download PDFInfo
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- CN111405570A CN111405570A CN201811531480.9A CN201811531480A CN111405570A CN 111405570 A CN111405570 A CN 111405570A CN 201811531480 A CN201811531480 A CN 201811531480A CN 111405570 A CN111405570 A CN 111405570A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/14—Spectrum sharing arrangements between different networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/24—Reselection being triggered by specific parameters
- H04W36/32—Reselection being triggered by specific parameters by location or mobility data, e.g. speed data
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/021—Services related to particular areas, e.g. point of interest [POI] services, venue services or geofences
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/025—Services making use of location information using location based information parameters
- H04W4/027—Services making use of location information using location based information parameters using movement velocity, acceleration information
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The embodiment of the invention provides a network resource allocation method and device. The method comprises the following steps: acquiring mobile parameter data of a terminal of a target area in a preset statistical period; the target area is an overlapping coverage area of a preset private network and a preset public network; determining a transition cell according to the mobile parameter data; the transition cell is a preset geographic range where a key point of the movement trend of the terminal is located; determining the frequency spectrum resource of the preset private network at the geographical position of the transition cell; and configuring the transition cell as a same-frequency adjacent cell of the information source cell of the preset private network at the geographic position according to the frequency spectrum resource. The embodiment of the invention solves the problem that in the prior art, in a scene that a high-speed rail private network and a high-speed public network coexist, a high-speed rail private network user is easy to separate from the private network.
Description
Technical Field
The embodiment of the invention relates to the technical field of mobile communication, in particular to a network resource configuration method and device.
Background
At present, in the communication network coverage of a traffic trunk of a mobile communication network, a highway still adopts public network coverage due to relatively low moving speed and small penetration loss; due to the problems of high-speed rail, such as high driving speed and switching disorder, call failure, call drop and the like caused by fast fading, a special network for the high-speed rail is generally adopted for network coverage. Meanwhile, in order to ensure that high-speed rail users can share private network resources independently, the private/public network is not configured with a neighbor cell strategy, namely, the private network is not added with a public network neighbor cell, and the private/public network is not added even in reselection and neighbor cell switching operations. With the continuous increase of the current high-speed rail and high-speed mileage, a scene that more high-speed rails and high-speed rails can run in parallel or in a crossed manner appears; at this time, the traditional strategy of the public network neighboring cell is not added, so that the movement (i.e. switching) behavior of the user (terminal) in the connected state between the private network and the public network can be avoided, and the user in the idle state can be prevented from entering another network through a reselection mechanism. However, since the signal strength of the private network for high-speed rail is far better than that of the public network, it is inevitable that users in the public network enter the private network through cell selection/power on attachment and other behaviors in an idle state.
When a user drives away from the coverage area of a high-speed rail private network, the user cannot switch to a public network because of no adjacent area, and the user is redirected to a 2G network under the condition that the current Time Division (TD) network is shut down. However, the mobile communication network does not support the terminal to return to 4G in the 2G connection state at present, so that the user cannot return to 4G until the 2G enters the idle state, which causes the phenomenon of "no 4G network", and seriously affects the user perception.
To solve this problem, the following two solutions are common in the prior art:
firstly, high-speed independent covering of high-speed rail:
through the modes of basic coverage control such as accurate station planning and construction, fine antenna feeder adjustment and the like, a special network station covering a high-speed rail is distinguished from a public network station covering a high speed rail, so that no cross or overlapping coverage exists between the special network station and the public network station, and the condition that a high-speed user occupies a high-speed rail special network signal is avoided.
However, in this way, the coverage edge of the base station cannot be accurately controlled, and for a high-speed rail and high-speed parallel scene, overlapping coverage between two networks is difficult to avoid; and as long as there is overlapping coverage, the terminal can detect both network signals simultaneously. The private/public network is not configured with the adjacent cell strategy, so that the user in a connected state can be prevented from moving between the private/public networks, the user in an idle state can be prevented from entering another network through a reselection mechanism, and the user in the public network can not be prevented from entering the private network in the idle state.
Secondly, adding adjacent areas to realize the switching between the private network and the public network:
for a special scene of high-speed rail and high-speed 'parallel operation first and then forked operation', the one-way adjacent area relation between a private network and a public network can be added, and meanwhile, the high-speed user driving away from the coverage range of the high-speed rail is switched into the public network by matching with accurate adjustment of parameters such as a start-up threshold and the like. The neighbor cell measurement is the premise that the terminal completes the switching, and for a special scene of high-speed rail and high-speed 'parallel operation before branching operation', if the neighbor cell with the public network is added, although the high-speed user can be ensured to be switched back to the public network smoothly when driving away from the private network coverage, the high-speed rail user is also easily separated from the private network and switched to the public network; the coverage strength of the public network is far lower than that of the private network, and due to the characteristics of high speed of movement of the high-speed rail and fast fading in a carriage, the service perception experience of the high-speed rail user using the public network is greatly reduced.
In summary, in both of the existing solutions, it is difficult to implement accurate control, and the adjustment cannot be made only for high-speed users, which cannot avoid causing the high-speed users to leave the private network and having a great influence on the 4G service awareness of the high-speed users.
Disclosure of Invention
The embodiment of the invention provides a network resource allocation method and device, which are used for solving the problem that in the prior art, in a scene where a high-speed rail private network and a high-speed public network coexist, a high-speed rail private network user is easy to separate from the private network.
In one aspect, an embodiment of the present invention provides a method for configuring network resources, where the method includes:
acquiring mobile parameter data of a terminal of a target area in a preset statistical period; the target area is an overlapping coverage area of a preset private network and a preset public network;
determining a transition cell according to the mobile parameter data; the transition cell is a preset geographic range where a key point of the movement trend of the terminal is located;
determining the frequency spectrum resource of the preset private network at the geographical position of the transition cell;
and configuring the transition cell as a same-frequency adjacent cell of the information source cell of the preset private network at the geographic position according to the frequency spectrum resource.
In one aspect, an embodiment of the present invention provides a network resource configuration device, where the device includes:
the acquisition module is used for acquiring the mobile parameter data of the terminal of the target area in a preset statistical period; the target area is an overlapping coverage area of a preset private network and a preset public network;
a cell determining module, configured to determine a transition cell according to the mobility parameter data; the transition cell is a preset geographic range where a key point of the movement trend of the terminal is located;
the resource determining module is used for determining the frequency spectrum resource of the preset private network at the geographical position of the transition cell;
and the configuration module is used for configuring the transition cell into a same-frequency adjacent cell of the information source cell of the preset private network at the geographic position according to the frequency spectrum resource.
On the other hand, an embodiment of the present invention further provides an electronic device, which includes a memory, a processor, a bus, and a computer program stored in the memory and executable on the processor, where the processor implements the steps in the network resource configuration method when executing the program.
In still another aspect, an embodiment of the present invention further provides a non-transitory computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements the steps in the network resource configuration method.
According to the network resource allocation method and device provided by the embodiment of the invention, the mobile parameter data of the terminal in the target area in the preset statistical period is obtained; determining a transition cell according to the mobile parameter data; the transition cell is a preset geographic range where a key point of the movement trend of the terminal is located; determining the frequency spectrum resource of the preset private network at the geographical position of the transition cell; configuring the transition cell as a same-frequency adjacent cell of the information source cell of the preset private network at the geographic position according to the frequency spectrum resource, so that the high-speed rail private network does not need to start pilot frequency measurement aiming at a preset public network, thereby avoiding measuring peripheral public networks by high-speed rail users and reducing the risk that the high-speed rail users break away from the high-speed rail private network; the configuration operation of the adjacent cell is simple and accurate, and the guiding function of the transition cell is exerted under the condition of no coverage hole and no weak coverage; and the transition cell is configured to be the same-frequency adjacent cell, so that the same-frequency interference is avoided, and the convenience of same-frequency switching can be brought into play.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
Fig. 1 is a schematic flowchart of a network resource allocation method according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a first exemplary scenario in accordance with an embodiment of the present invention;
FIG. 3 is a schematic diagram of a third exemplary scenario in accordance with an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a network resource allocation apparatus according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of an electronic device according to an embodiment of the present invention.
Detailed Description
In order to make the technical problems, technical solutions and advantages of the present invention more apparent, the following detailed description is given with reference to the accompanying drawings and specific embodiments. In the following description, specific details such as specific configurations and components are provided only to help the full understanding of the embodiments of the present invention. Thus, it will be apparent to those skilled in the art that various changes and modifications may be made to the embodiments described herein without departing from the scope and spirit of the invention. In addition, descriptions of well-known functions and constructions are omitted for clarity and conciseness.
It should be appreciated that reference throughout this specification to "an embodiment" or "an embodiment" means that a particular feature, structure or characteristic described in connection with the embodiment is included in at least one embodiment of the present invention. Thus, the appearances of the phrase "in an embodiment" or "in an embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
In various embodiments of the present invention, it should be understood that the sequence numbers of the following processes do not mean the execution sequence, and the execution sequence of each process should be determined by its function and inherent logic, and should not constitute any limitation to the implementation process of the embodiments of the present invention.
In the embodiments provided herein, it should be understood that "B corresponding to a" means that B is associated with a from which B can be determined. It should also be understood that determining B from a does not mean determining B from a alone, but may be determined from a and/or other information.
Fig. 1 shows a flowchart of a network resource configuration method according to an embodiment of the present invention.
As shown in fig. 1, a method for configuring network resources provided in an embodiment of the present invention specifically includes the following steps:
The target area is an overlapping coverage area of the preset private network and the preset public network, namely the area is covered with the preset private network and the preset public network.
The preset private network can be a high-speed railway private network or other communication private networks, and the preset public network can be a high-speed public network or other common public networks. As a first example, as shown in fig. 2, a solid line in fig. 2 represents an expressway, and a broken line represents a high-speed rail line; in fig. 2, if both a highway and a high-speed railway are present, the area is a target area. The movement parameter data of the terminal may be a movement speed, a movement direction, etc. of the terminal, or acceleration data of the terminal. And in a preset statistical period, acquiring the mobile parameter data of all terminals in the statistical period of the target area.
The key point of the movement trend may be a position point where the terminal acceleration exceeding a preset ratio changes, for example, the movement direction changes, or the movement speed changes, and the changed amplitude exceeds a preset amplitude, the position point may be determined as the key point. Taking the high-speed and high-speed rail overlapping coverage as an example, when the moving direction or the moving speed changes, for a high-speed user, it is likely that the high-speed user drives away from the private network coverage and switches back to the public network, and this position is a position where the high-speed and high-speed rails are separated, that is, a position where the preset private network is separated from the preset public network, and this position is where the high-speed user (i.e., the high-speed private network user) is easy to separate from the preset private network.
It can be understood that the determination of the key points is based on the form of big data, i.e. the terminal movement parameter data in the statistical period, and the specific position of the key point of each terminal may have a certain deviation due to the large statistical number, so that a geographical range may be set, for example, if the distance between the key points of two terminals is within a preset distance, two key points may be determined as one key point; therefore, for a plurality of key points meeting the preset distance, a key point closest to all the key points in total distance can be determined in a statistical form as a final key point, a preset geographical range is defined by taking the final key point as a center, the geographical range is a transition cell, and the transition cell is a cell transiting from a preset private network to a preset public network.
And 103, determining the frequency spectrum resource of the preset private network at the geographical position of the transition cell.
After the transition cell is determined, determining the frequency spectrum resource of the position of the preset private network in the transition cell according to the geographical position of the transition cell, so as to determine the frequency spectrum resource of the transition cell according to the frequency spectrum resource of the preset private network; alternatively, the spectrum resource may include frequency bands, center frequency point numbers, and the like.
As a second example, the following table 1 shows the contents of the spectrum resources of the preset private network (high-speed rail private network) and the preset public network in the geographical location of the transition cell:
table 1:
in table 1, the high-speed rail private network as the default private network and the high-speed public network as the default public network use different frequency bands, center frequency point numbers, and single carrier bandwidths, respectively.
And 104, configuring the transition cell as a same-frequency adjacent cell of the information source cell of the preset private network at the geographical position according to the frequency spectrum resource.
As a third example, as shown in fig. 3, taking a high-speed rail private network as an example, because the high-speed rail has a fast moving speed, in order to reduce the risk caused by the handover operation, the high-speed rail private network generally adopts a multi-cell merging strategy, that is, a source hangs a plurality of remote devices, and as shown in a cell a and a cell B in the figure, each cell hangs a plurality of remote devices; therefore, the signals of the same base station are covered within the range of 2-3 kilometers along the high-speed rail, and the user does not need to switch when moving in the period; meanwhile, as the high-speed rail is narrow, the high-speed rail special network selects the high-gain narrow-beam antenna to enhance the coverage effect in the carriage.
If a high-speed rail private network near the geographical position of a transition cell belongs to two different information source cells, a high-speed user may occupy any one of the cells to drive away from the high speed, so that reselection and measurement frequency points for a public network need to be added to both the two information source cells, and the high-speed rail user may also leave the high-speed rail private network and enter the public network within a range of 6 kilometers corresponding to the two information source cells, which cannot be completely avoided; therefore, when setting the frequency of the transition cell, the frequency of the current public network may not be set as the frequency of the transition cell.
Considering that the current 4G terminal needs to perform the same-frequency measurement at any time, and the network side cannot control the same-frequency measurement behavior, if the same-frequency strategy with the high-speed rail private network is adopted, the network parameters do not need to be adjusted. In addition, after the frequency of the transition cell is set to be the same frequency with the high-speed rail private network, the high-speed rail private network does not need to start the pilot frequency measurement aiming at the preset public network, so that the high-speed rail user can be prevented from measuring the peripheral public network, and the risk that the high-speed rail user breaks away from the high-speed rail private network is reduced. Therefore, when setting the frequency of the transition cell, the frequency spectrum resource of the high-speed rail private network corresponding to the transition cell at present can be obtained, and the transition cell is configured to be the same-frequency neighboring cell of the information source cell of the preset private network at the geographic position according to the obtained frequency spectrum resource, that is, the transition cell is set to be the cell with the same frequency as the high-speed rail private network.
It should be noted that, when the frequency of the transition cell is set to be the same frequency as the high-speed rail private network, in order to avoid the same frequency interference caused by the antenna of the transition cell to the high-speed rail private network, the antenna of the transition cell needs to be set to cover a direction away from the railway and a direction perpendicular to the high-speed rail traveling direction, and the front-to-back ratio of the antenna meets the specification.
In the embodiment of the invention, the mobile parameter data of the terminal in the target area in the preset statistical period is acquired; determining a transition cell according to the mobile parameter data; the transition cell is a preset geographic range where a key point of the movement trend of the terminal is located; determining the frequency spectrum resource of the preset private network at the geographical position of the transition cell; configuring the transition cell as a same-frequency adjacent cell of the information source cell of the preset private network at the geographic position according to the frequency spectrum resource, so that the high-speed rail private network does not need to start pilot frequency measurement aiming at a preset public network, thereby avoiding measuring peripheral public networks by high-speed rail users and reducing the risk that the high-speed rail users break away from the high-speed rail private network; the configuration operation of the adjacent cell is simple and accurate, and the guiding function of the transition cell is exerted under the condition of no coverage hole and no weak coverage; and the transition cell is configured to be the same-frequency adjacent cell, so that the same-frequency interference is avoided, and the convenience of same-frequency switching can be brought into play. The embodiment of the invention solves the problem that in the prior art, in a scene that a high-speed rail private network and a high-speed public network coexist, a high-speed rail private network user is easy to separate from the private network.
Optionally, in this embodiment of the present invention, the step of determining the transition cell according to the movement parameter data includes:
step one, determining key points of the movement trend of the terminal according to the movement parameter data; the key point is a position point where the movement trend of the terminal exceeds a preset proportion and is subjected to preset change.
The key point of the movement trend may be a position point where the terminal acceleration exceeding a preset ratio changes, for example, the movement direction changes, or the movement speed changes, and the changed amplitude exceeds a preset amplitude, the position point may be determined as the key point.
Specifically, the preset change is that the acceleration of the terminal of the preset private network at the position of the key point is unchanged, and the acceleration change of the terminal of the preset public network at the position of the key point meets the preset change requirement, for example, the traveling speed of most high-speed users (high-speed public network users) at the geographical position changes, and the traveling speed of most high-speed private network users at the geographical position does not change, so that the position is a position where the high-speed users laterally drive away from the private network coverage and switch back to the public network, that is, a position where the high speed is separated from the high speed, that is, a position where the preset private network is separated from the preset public network, and the high-speed private network at the position is easy to separate from the preset private network.
And secondly, judging whether the preset geographic range where the key point is located meets preset requirements or not.
In this step, after the key point is determined, a preset geographical range is defined by taking the key point as a center, and the preset geographical range may be a circular range taking the key point as a center and a preset radius as a radius.
After the preset geographic range is determined, judging whether the preset geographic range meets the preset requirement or not; specifically, the step of determining whether the preset geographic range in which the key point is located meets the preset requirement includes:
and judging whether the preset geographic range is a non-weak coverage cell or not, and whether the linear distance between the preset geographic range and a preset building meets the preset distance requirement or not.
When determining whether the weak coverage phenomenon exists in the preset geographic range, determining the weak coverage phenomenon according to the coverage condition of the base station around the geographic position, wherein the coverage condition of the base station is determined according to the preset records; taking a preset building as an example of a railway, when determining whether the distance between the preset building and the geographical position meets the distance requirement, the straight-line distance between the geographical position and the nearest railway can be determined first, and whether the straight-line distance is within the preset distance range is determined, if the straight-line distance is within the preset distance range, the distance between the geographical position and the nearest railway can be determined to be moderate, not only not to be very close to but also not to be very far away, and at the moment, the distance between the geographical position and the railway can be determined to meet the preset distance requirement.
And thirdly, if the preset geographic range where the key point is located meets preset requirements, determining that the preset geographic range is a transition cell.
If the weak coverage phenomenon does not exist in the preset geographic range and the distance between the preset geographic range and the railway meets the preset distance requirement, the preset geographic range can be determined as the geographic position of the transition cell.
Optionally, in this embodiment of the present invention, the step of determining the spectrum resource of the preset private network at the geographic location of the transition cell includes:
and determining the frequency spectrum resources of the preset private network at the geographical position according to the geographical position of the transition cell.
After the geographical position of the transition cell is determined, the frequency spectrum resource of the preset private network at the geographical position of the transition cell is determined according to the geographical position of the transition cell, so that the frequency spectrum resource of the transition cell is determined according to the frequency spectrum resource of the preset private network.
Optionally, in this embodiment of the present invention, after the step of configuring the transition cell as a co-frequency neighboring cell of the source cell of the preset private network in the geographic location according to the spectrum resource, the method further includes:
determining a target central frequency point of the frequency spectrum resource;
and configuring the central frequency point of the transition cell as the target central frequency point.
The central frequency point of the transition cell is configured as the target central frequency point, and referring to table 1, the high-speed rail private network generally adopts a dual-layer networking of D2+ D3, and a high-speed user may occupy any frequency point when driving away from the transition cell. Therefore, the transition cell also needs to be configured with two frequency points D2 and D3, so that a high-speed user can switch to the public network by relying on the transition cell, and the situation that the 4G mobile phone is off-line is avoided.
Specifically, the private network-transition cell switching configures adjacent cells according to the same frequency, and the transition cell-public network switching fully configures adjacent cells (namely, adding the same frequency or different frequency adjacent cells according to the frequency of the public network); the transition cell is used for guiding two types of users to smoothly enter the public network: firstly, a high-speed user drives away from a high-speed rail, and the high-speed rail is occupied by behaviors such as cell selection/startup attachment and the like although no adjacent region exists between a private network and a public network because the high-speed user drives a long distance on an expressway parallel to the high-speed rail; and secondly, residents living nearby the transition cell occupy the high-speed rail private network due to the fact that the distance between the residents and the high-speed rail is very close and the high-speed rail private network signal is strong enough. When the two types of users drive off the railway, the high-speed rail private network signals can be occupied. In the embodiment of the invention, the central frequency point of the transition cell is configured as the target central frequency point, so that the two types of users are guided to be switched to the public network through the transition cell, and the condition that the 4G mobile phone is disconnected from the network is avoided.
Optionally, in this embodiment of the present invention, after the step of configuring the transition cell as a co-frequency neighboring cell of the source cell of the preset private network in the geographic location according to the spectrum resource, the method includes:
determining a moving speed average value of the terminal at a preset sampling moment;
determining a target base station type corresponding to the moving speed mean value according to a preset corresponding relation between the moving speed and the base station type; in the preset corresponding relation, different moving speeds correspond to different base station types;
and configuring the base station of the transition cell according to the type of the target base station.
The base station type of the transition cell may be a micro station (small base station), a macro station, a high gain antenna, etc., and the target base station type corresponding to the moving speed mean value may be determined according to the moving speed mean value, and the base station of the target base station type is selected to serve as the transition cell.
Specifically, the selection standard depends on the moving speed of the user when the user drives away from the private network coverage area, the micro station is selected when the moving speed is low, and the high-gain antenna is selected when the moving speed is high; although the coverage distance of the micro station is short, when a user drives away from a highway, the speed of the user is low, and the user can enter a public network under the guidance of a transition cell. When the user drives away from the coverage area of the high-speed rail private network, if the micro station is used as a transition cell when the vehicle speed is high, the coverage area is small, and the user cannot be ensured to cut into the transition cell in time. Therefore, in such a scenario, a high-gain antenna needs to be selected as a transition cell, so as to ensure that a user can successfully switch to the transition cell even when the user is traveling at a high speed.
It can be understood that the application range of the embodiment of the present invention is mainly a scenario satisfying the following three conditions: (1) the high-speed rail runs in parallel at a high speed and is close to the high-speed rail; (2) a private network is built in the high-speed rail, the high-speed rail is covered by a common public network, and the private network and the common public network do not have the adjacent relation; (3) after the high-speed rail runs for a distance in parallel at a high speed, the high-speed user drives away from the coverage area of the high-speed rail private network. Through a preset number of field tests and network management index display, after the scheme of the embodiment of the invention is executed, the unidirectional switching times and the switching success rate of the private network-transition cell and the transition cell-public network are normal.
In field test, the drive test equipment is required to be arranged below a high-speed rail far end, the drive test equipment is ensured to start to move away from the direction of the railway after occupying a private network signal, an action route of a user driving away from the highway is simulated, the private network signal starts to weaken at a position 300 meters away from the railway, but after the drive test equipment moves to the coverage range of a transition cell, the mobile phone is smoothly switched into the transition cell and then switched into a public network, and the problem of disconnection of the 4G mobile phone is effectively avoided.
In the aspect of key network management indexes (KPIs), the private network-transition cell is averagely switched for 224 times per hour, and the success rate is over 99.4 percent; the average single-hour switching of the transition cell-public network is 241 times, and the success rate is more than 99.5 percent.
In the embodiment of the invention, the mobile parameter data of the terminal in the target area in the preset statistical period is acquired; determining a transition cell according to the mobile parameter data; the transition cell is a preset geographic range where a key point of the movement trend of the terminal is located; determining the frequency spectrum resource of the preset private network at the geographical position of the transition cell; configuring the transition cell as a same-frequency adjacent cell of the information source cell of the preset private network at the geographic position according to the frequency spectrum resource, so that the high-speed rail private network does not need to start pilot frequency measurement aiming at a preset public network, thereby avoiding measuring peripheral public networks by high-speed rail users and reducing the risk that the high-speed rail users break away from the high-speed rail private network; the configuration operation of the adjacent cell is simple and accurate, and the guiding function of the transition cell is exerted under the condition of no coverage hole and no weak coverage; and the transition cell is configured to be the same-frequency adjacent cell, so that the same-frequency interference is avoided, and the convenience of same-frequency switching can be brought into play.
With the above description of the network resource configuration method according to the embodiment of the present invention, a network resource configuration device according to the embodiment of the present invention will be described with reference to the accompanying drawings.
Referring to fig. 4, an embodiment of the present invention provides a network resource configuration apparatus, where the apparatus includes:
an obtaining module 401, configured to obtain mobile parameter data of a terminal in a preset statistical period in a target area; the target area is an overlapping coverage area of a preset private network and a preset public network.
The target area is an overlapping coverage area of the preset private network and the preset public network, namely the area is covered with the preset private network and the preset public network.
The preset private network can be a high-speed railway private network or other communication private networks, and the preset public network can be a high-speed public network or other common public networks. As a first example, as shown in fig. 2, a solid line in fig. 2 represents an expressway, and a broken line represents high-speed iron; in fig. 2, if both a highway and a high-speed railway are present, the area is a target area. The movement parameter data of the terminal may be a movement speed, a movement direction, etc. of the terminal, or acceleration data of the terminal. And in a preset statistical period, acquiring the mobile parameter data of all terminals in the statistical period of the target area.
A cell determining module 402, configured to determine a transition cell according to the mobility parameter data; the transition cell is a preset geographic range where a key point of the movement trend of the terminal is located.
The key point of the movement trend may be a position point where the terminal acceleration exceeding a preset ratio changes, for example, the movement direction changes, or the movement speed changes, and the changed amplitude exceeds a preset amplitude, the position point may be determined as the key point. Taking the high-speed and high-speed rail overlapping coverage as an example, when the moving direction or the moving speed changes, for a high-speed user, it is likely that the high-speed user drives away from the private network coverage and switches back to the public network, and this position is a position where the high-speed and high-speed rails are separated, that is, a position where the preset private network is separated from the preset public network, and this position is where the high-speed user (i.e., the high-speed private network user) is easy to separate from the preset private network.
It can be understood that the determination of the key points is based on the form of big data, i.e. the terminal movement parameter data in the statistical period, and the specific position of the key point of each terminal may have a certain deviation due to the large statistical number, so that a geographical range may be set, for example, if the distance between the key points of two terminals is within a preset distance, two key points may be determined as one key point; therefore, for a plurality of key points meeting the preset distance, a key point closest to all the key points in total distance can be determined in a statistical form as a final key point, a preset geographical range is defined by taking the final key point as a center, the geographical range is a transition cell, and the transition cell is a cell transiting from a preset private network to a preset public network.
A resource determining module 403, configured to determine a spectrum resource of the preset private network at the geographic location of the transition cell.
After the transition cell is determined, determining the frequency spectrum resource of the position of the preset private network in the transition cell according to the geographical position of the transition cell, so as to determine the frequency spectrum resource of the transition cell according to the frequency spectrum resource of the preset private network; alternatively, the spectrum resource may include frequency bands, center frequency point numbers, and the like.
A configuration module 403, configured to configure the transition cell as a same-frequency neighboring cell of the source cell of the preset private network in the geographic location according to the spectrum resource.
As a third example, as shown in fig. 3, taking a high-speed rail private network as an example, because the high-speed rail has a fast moving speed, in order to reduce the risk caused by the handover operation, the high-speed rail private network generally adopts a multi-cell merging strategy, that is, a source hangs a plurality of remote devices, and as shown in a cell a and a cell B in the figure, each cell hangs a plurality of remote devices; therefore, the signals of the same base station are covered within the range of 2-3 kilometers along the high-speed rail, and the user does not need to switch when moving in the period; meanwhile, as the high-speed rail is narrow, the high-speed rail special network selects the high-gain narrow-beam antenna to enhance the coverage effect in the carriage.
If a high-speed rail private network near the geographical position of a transition cell belongs to two different information source cells, a high-speed user may occupy any one of the cells to drive away from the high speed, so that reselection and measurement frequency points for a public network need to be added to both the two information source cells, and the high-speed rail user may also leave the high-speed rail private network and enter the public network within a range of 6 kilometers corresponding to the two information source cells, which cannot be completely avoided; therefore, when setting the frequency of the transition cell, the frequency of the current public network may not be set as the frequency of the transition cell.
Considering that the current 4G terminal needs to perform the same-frequency measurement at any time, and the network side cannot control the same-frequency measurement behavior, if the same-frequency strategy with the high-speed rail private network is adopted, the network parameters do not need to be adjusted. In addition, after the frequency of the transition cell is set to be the same frequency with the high-speed rail private network, the high-speed rail private network does not need to start the pilot frequency measurement aiming at the preset public network, so that the high-speed rail user can be prevented from measuring the peripheral public network, and the risk that the high-speed rail user breaks away from the high-speed rail private network is reduced. Therefore, when setting the frequency of the transition cell, the frequency spectrum resource of the high-speed rail private network corresponding to the transition cell at present can be obtained, and the transition cell is configured to be the same-frequency neighboring cell of the information source cell of the preset private network at the geographic position according to the obtained frequency spectrum resource, that is, the transition cell is set to be the cell with the same frequency as the high-speed rail private network.
It should be noted that, when the frequency of the transition cell is set to be the same frequency as the high-speed rail private network, in order to avoid the same frequency interference caused by the antenna of the transition cell to the high-speed rail private network, the antenna of the transition cell needs to be set to cover a direction away from the railway and a direction perpendicular to the high-speed rail traveling direction, and the front-to-back ratio of the antenna meets the specification.
Optionally, in this embodiment of the present invention, the cell determining module 402 includes:
the first determining submodule is used for determining key points of the movement trend of the terminal according to the movement parameter data; the key point is a position point where the movement trend of the terminal exceeds a preset proportion and is subjected to preset change;
the judgment submodule is used for judging whether the preset geographic range where the key point is located meets the preset requirement:
and the second determining submodule is used for determining that the preset geographic range is the transition cell if the preset geographic range in which the key point is located meets the preset requirement.
Optionally, in this embodiment of the present invention, the preset change is that the acceleration of the terminal of the preset private network at the position of the key point is not changed, and the acceleration change of the terminal of the preset public network at the position of the key point meets a preset change requirement.
Optionally, in this embodiment of the present invention, the determining sub-module is configured to:
and judging whether the preset geographic range is a non-weak coverage cell or not, and whether the linear distance between the preset geographic range and a preset building meets the preset distance requirement or not.
Optionally, in this embodiment of the present invention, the resource determining module 403 is configured to:
and determining the frequency spectrum resources of the preset private network at the geographical position according to the geographical position of the transition cell.
Optionally, in an embodiment of the present invention, the apparatus further includes:
a frequency point configuration module 403, configured to determine a target central frequency point of the spectrum resource;
and configuring the central frequency point of the transition cell as the target central frequency point.
Optionally, in an embodiment of the present invention, the apparatus further includes:
a base station configuration module 403, configured to determine a moving speed average value of the terminal at a preset sampling time;
determining a target base station type corresponding to the moving speed mean value according to a preset corresponding relation between the moving speed and the base station type; in the preset corresponding relation, different moving speeds correspond to different base station types;
and configuring the base station of the transition cell according to the type of the target base station.
In the above embodiment of the present invention, the obtaining module 401 obtains the mobile parameter data of the terminal in the preset statistical period of the target area; the cell determining module 402 determines a transition cell according to the movement parameter data; the transition cell is a preset geographic range where a key point of the movement trend of the terminal is located; the resource determining module 403 determines the spectrum resource of the preset private network at the geographical location of the transition cell; the configuration module 403 configures the transition cell as a same-frequency neighboring cell of the information source cell of the preset private network in the geographic position according to the spectrum resource, so that the high-speed rail private network does not need to start pilot frequency measurement for a preset public network, thereby avoiding measuring a peripheral public network by a high-speed rail user and reducing the risk of the high-speed rail user escaping from the high-speed rail private network; the configuration operation of the adjacent cell is simple and accurate, and the guiding function of the transition cell is exerted under the condition of no coverage hole and no weak coverage; and the transition cell is configured to be the same-frequency adjacent cell, so that the same-frequency interference is avoided, and the convenience of same-frequency switching can be brought into play.
Fig. 5 is a schematic structural diagram of an electronic device according to yet another embodiment of the present invention.
As shown in fig. 5, the electronic device may include: a processor (processor)510, a communication Interface (Communications Interface)520, a memory (memory)530 and a communication bus 540, wherein the processor 510, the communication Interface 520 and the memory 530 communicate with each other via the communication bus 540. Processor 510 may call logic instructions in memory 530 to perform the following method:
acquiring mobile parameter data of a terminal of a target area in a preset statistical period; the target area is an overlapping coverage area of a preset private network and a preset public network;
determining a transition cell according to the mobile parameter data; the transition cell is a preset geographic range where a key point of the movement trend of the terminal is located;
determining the frequency spectrum resource of the preset private network at the geographical position of the transition cell;
and configuring the transition cell as a same-frequency adjacent cell of the information source cell of the preset private network at the geographic position according to the frequency spectrum resource.
Furthermore, the logic instructions in the memory 530 may be implemented in the form of software functional units and stored in a computer readable storage medium when the software functional units are sold or used as independent products.
In another embodiment of the present invention, a non-transitory computer-readable storage medium is provided, where a computer program is stored on the non-transitory computer-readable storage medium, and when the computer program is executed by a processor, the steps in the method provided in the foregoing embodiment of the present invention are implemented, and details of the implementation are not repeated.
Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
Through the above description of the embodiments, those skilled in the art will clearly understand that each embodiment can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware. With this understanding in mind, the above-described technical solutions may be embodied in the form of a software product, which can be stored in a computer-readable storage medium such as ROM/RAM, magnetic disk, optical disk, etc., and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the methods described in the embodiments or some parts of the embodiments.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A method for configuring network resources, comprising:
acquiring mobile parameter data of a terminal of a target area in a preset statistical period; the target area is an overlapping coverage area of a preset private network and a preset public network;
determining a transition cell according to the mobile parameter data; the transition cell is a preset geographic range where a key point of the movement trend of the terminal is located;
determining the frequency spectrum resource of the preset private network at the geographical position of the transition cell;
and configuring the transition cell as a same-frequency adjacent cell of the information source cell of the preset private network at the geographic position according to the frequency spectrum resource.
2. The method of claim 1, wherein the step of determining a transition cell according to the mobility parameter data comprises:
determining key points of the movement trend of the terminal according to the movement parameter data; the key point is a position point where the movement trend of the terminal exceeds a preset proportion and is subjected to preset change;
judging whether the preset geographic range where the key point is located meets preset requirements or not:
and if the preset geographic range in which the key point is located meets the preset requirement, determining that the preset geographic range is a transition cell.
3. The method according to claim 2, wherein the preset change is that the acceleration of the terminal of the preset private network at the position of the key point is unchanged, and the acceleration change of the terminal of the preset public network at the position of the key point meets a preset change requirement.
4. The method according to claim 2, wherein the step of determining whether the preset geographical range in which the key point is located meets preset requirements comprises:
and judging whether the preset geographic range is a non-weak coverage cell or not, and whether the linear distance between the preset geographic range and a preset building meets the preset distance requirement or not.
5. The method of claim 1, wherein the step of determining the spectrum resources of the preset private network at the geographical location of the transition cell comprises:
and determining the frequency spectrum resources of the preset private network at the geographical position according to the geographical position of the transition cell.
6. The method according to claim 1, wherein after the step of configuring the transition cell as an intra-frequency neighboring cell of the source cell of the preset private network in the geographical location according to the spectrum resource, the method further comprises:
determining a target central frequency point of the frequency spectrum resource;
and configuring the central frequency point of the transition cell as the target central frequency point.
7. The method according to claim 1, wherein after the step of configuring the transition cell as an intra-frequency neighboring cell of the source cell of the preset private network in the geographical location according to the spectrum resource, the method comprises:
determining a moving speed average value of the terminal at a preset sampling moment;
determining a target base station type corresponding to the moving speed mean value according to a preset corresponding relation between the moving speed and the base station type; in the preset corresponding relation, different moving speeds correspond to different base station types;
and configuring the base station of the transition cell according to the type of the target base station.
8. A network resource configuration apparatus, comprising:
the acquisition module is used for acquiring the mobile parameter data of the terminal of the target area in a preset statistical period; the target area is an overlapping coverage area of a preset private network and a preset public network;
a cell determining module, configured to determine a transition cell according to the mobility parameter data; the transition cell is a preset geographic range where a key point of the movement trend of the terminal is located;
the resource determining module is used for determining the frequency spectrum resource of the preset private network at the geographical position of the transition cell;
and the configuration module is used for configuring the transition cell into a same-frequency adjacent cell of the information source cell of the preset private network at the geographic position according to the frequency spectrum resource.
9. An electronic device comprising a memory, a processor, a bus, and a computer program stored on the memory and executable on the processor, the processor implementing the steps in the network resource configuration method according to any one of claims 1 to 7 when executing the program.
10. A non-transitory computer-readable storage medium having stored thereon a computer program, characterized in that: the program, when executed by a processor, implements the steps in the network resource configuration method of any of claims 1 to 7.
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