CN105407502A - Method and device for determining whether overlapping coverage cell exists - Google Patents

Abstract

The embodiment of the invention discloses a method and device for determining a cell with overlapping coverage, relates to the field of communication technology, and can improve the accuracy rate of determining a cell with overlapping coverage. The method in the embodiment of the present invention includes: obtaining the uplink transmission power of each terminal in the target area, the uplink reception power of each base station, and the downlink transmission power of each base station; according to the uplink transmission power, uplink reception power, and downlink transmission power , respectively determine the downlink received power of each terminal; according to the downlink received power of each terminal, determine the signal strength of the main serving cell and the signal strength of the adjacent cell corresponding to each terminal; when the signal of the main serving cell of the target terminal appears When the difference between the strength and the signal strength of the adjacent cell is smaller than the preset signal strength difference threshold is greater than the preset times threshold, it is determined that the primary serving cell of the target terminal is a cell with overlapping coverage. The present invention is suitable for determining whether overlapping coverage exists in a cell.

Description

Method and device for determining cells with overlapping coverage

technical field

The present invention relates to the field of communication technologies, in particular to a method and device for determining cells with overlapping coverage.

Background technique

As the network structure gradually becomes more complex, overlapping coverage may occur among multiple cells, causing terminals to frequently switch between the primary serving cell and adjacent cells in the target area, reducing service execution efficiency. In order to solve this problem, it is necessary to accurately determine the cell with overlapping coverage, and make a reasonable plan for the cell.

Currently, a drive test method is usually used to determine cells with overlapping coverage. That is, the RSRP (Reference Signal Receiving Power, Reference Signal Received Power) information of the main serving cell and the adjacent cell are respectively obtained through a drive test method, and the difference with the main serving cell is determined by calculating the difference between the RSRP of the main serving cell and the adjacent cell. Adjacent cells whose RSRP difference differs by 6dB, determine that the adjacent cell is a strong interference cell, and then determine the overlapping coverage, so as to determine whether there is overlapping coverage between the primary serving cell and the adjacent cell according to the overlapping coverage. However, because the drive test method not only needs a lot of manpower and material resources for data collection, but also has certain restrictions on the data collection area, the RSRP obtained by sampling can only reflect the overlapping coverage of some areas, thus Decreases the accuracy of determining overlapping coverage cells.

Contents of the invention

Embodiments of the present invention provide a method and device for determining cells with overlapping coverage, which can improve the accuracy of determining cells with overlapping coverage.

In order to achieve the above object, the embodiment of the present invention adopts the following technical solutions:

In a first aspect, an embodiment of the present invention provides a method for determining a cell with overlapping coverage, the method including:

Obtain the uplink transmit power of each terminal in the target area, the uplink receive power of each base station, and the downlink transmit power of each base station, where the uplink transmit power includes the transmit power for the terminal to send a reference signal to each base station , the uplink receiving power includes the receiving power of the base station receiving the reference signal sent by each terminal, and the downlink transmitting power includes the transmitting power of the base station sending data to the each terminal;

According to the uplink transmission power, the uplink reception power, and the downlink transmission power, respectively determine the downlink reception power of each terminal, the downlink reception power includes the terminal receiving the data sent by each base station received power;

determining the signal strength of the primary serving cell and the signal strength of adjacent cells corresponding to each terminal according to the downlink received power of each terminal;

When the difference between the signal strength of the primary serving cell of the target terminal and the signal strength of an adjacent cell is less than the preset signal strength difference threshold and the number of times the situation is greater than the preset threshold, determine that the primary serving cell of the target terminal is There are cells with overlapping coverage.

In a second aspect, an embodiment of the present invention provides an apparatus for determining cells with overlapping coverage, the apparatus comprising:

An acquisition module, configured to acquire the uplink transmit power of each terminal in the target area, the uplink receive power of each base station, and the downlink transmit power of each base station, the uplink transmit power includes the terminal sending to each base station The transmission power of the reference signal, the uplink reception power includes the reception power of the base station receiving the reference signal sent by each terminal, and the downlink transmission power includes the transmission power of the base station to send data to each terminal;

A determining module, configured to respectively determine the downlink receiving power of each terminal according to the uplink transmitting power, the uplink receiving power, and the downlink transmitting power, and the downlink receiving power includes the receiving power received by the terminal from each base station transmit the received power of said data;

The determination module is further configured to determine the signal strength of the primary serving cell and the signal strength of adjacent cells corresponding to each terminal according to the downlink received power of each terminal;

The determination module is further configured to determine that when the difference between the signal strength of the main serving cell of the target terminal and the signal strength of the adjacent cell is less than the preset signal strength difference threshold is greater than the preset number of times threshold. The primary serving cell of the target terminal is a cell with overlapping coverage.

A method and device for determining a cell with overlapping coverage provided by an embodiment of the present invention obtains the uplink transmission power of each terminal in the target area, the uplink reception power of each base station, and the downlink transmission power of each base station, and according to the uplink Transmit power, uplink receive power and downlink transmit power, respectively determine the downlink receive power of each terminal, and determine the signal strength of the main serving cell and adjacent cell corresponding to each terminal according to the downlink receive power of each terminal . When the difference between the signal strength of the main serving cell of the target terminal and the signal strength of the adjacent cell is less than the preset signal strength difference threshold and the number of times is greater than the preset number of times threshold, it is determined that the main serving cell of the target terminal is overlapped covered area. Among them, the uplink transmission power includes the transmission power for the terminal to send reference signals to each base station, the uplink reception power includes the reception power for the base station to receive the reference signals sent by each terminal, and the downlink transmission power includes the transmission power for the base station to send data to each terminal. The transmit power includes the transmit power for the base station to send data to each terminal, and the downlink receive power includes the receive power for the terminal to receive the data sent by each base station. Compared with determining the RSRP of each cell through a drive test method in the prior art, the embodiment of the present invention can determine the downlink receiving power of each terminal according to the uplink transmission power, uplink reception power and downlink transmission power, that is, RSRP. Then it is determined according to the RSRP whether the primary serving cell where the target terminal is located is a cell with overlapping coverage. Moreover, by using the above method, as long as the terminal sends the reference signal at the current location, the RSRP can be accurately determined according to the detected related data. Therefore, the range in which the RSRP can be obtained is increased, thereby improving the accuracy of determining overlapping coverage cells.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following will briefly introduce the accompanying drawings that need to be used in the embodiments. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention. For Those of ordinary skill in the art can also obtain other drawings based on these drawings without making creative efforts.

FIG. 1 is a flowchart of a method for determining cells with overlapping coverage provided by an embodiment of the present invention;

FIG. 2 is a flow chart of another method for determining cells with overlapping coverage provided by an embodiment of the present invention;

FIG. 3 is a flow chart of another method for determining cells with overlapping coverage provided by an embodiment of the present invention;

FIG. 4 is a flow chart of another method for determining cells with overlapping coverage provided by an embodiment of the present invention;

FIG. 5 is a schematic diagram of a target area divided into grids according to an embodiment of the present invention;

FIG. 6 is a flow chart of another method for determining cells with overlapping coverage provided by an embodiment of the present invention;

Fig. 7 is a schematic structural diagram of an apparatus for determining cells with overlapping coverage provided by an embodiment of the present invention.

detailed description

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

An embodiment of the present invention provides a method for determining a cell with overlapping coverage. As shown in FIG. 1, the method is performed by a network device, wherein the network device may specifically be a base station, a network side server, and other devices. The method includes:

101. Acquire the uplink transmit power of each terminal, the uplink receive power of each base station, and the downlink transmit power of each base station in a target area.

Wherein, the uplink transmission power includes the transmission power for the terminal to send the reference signal to each base station, the uplink reception power includes the reception power for the base station to receive the reference signal sent by each terminal, and the downlink transmission power includes the transmission power for the base station to send data to each terminal.

In order to detect the related state of the channel, the terminal needs to send the Sounding reference signal to the base station in real time. Therefore, in the embodiment of the present invention, the reference signal can be specifically the Sounding reference signal, or other signals that the terminal must send to the base station. That is, when the terminal sends some necessary signals to the base station, the base station obtains the uplink transmission power of the terminal, thereby avoiding occupying transmission channel resources to send additional signals to the base station in order to obtain the uplink transmission power of the terminal.

102. Determine the downlink receive power of each terminal according to the uplink transmit power, the uplink receive power, and the downlink transmit power.

Wherein, the downlink receiving power includes receiving power for the terminal to receive data sent by each base station.

103. According to the downlink received power of each terminal, determine the signal strength of the primary serving cell and the signal strength of the adjacent cell corresponding to each terminal.

In the embodiment of the present invention, the signal strength of the cell where the terminal is located may specifically be the downlink receiving power at which the terminal receives data sent by the base station. For example: through steps 101 to 104, it is determined that UE (UserEquipment, user equipment) 1 respectively receives the downlink receiving power of the same data sent by each base station, that is, base station 1, base station 2 to base station n, and the downlink receiving power includes: RSRP _{1 -1} , RSRP _2-1 ... RSRP _n-1 . Wherein, n is a positive integer greater than or equal to 1, and RSRP _n-1 is the downlink receiving power for UE1 to receive data sent by base station n. After that, determine the signal strength of the primary serving cell with the largest downlink received power among all the downlink received powers of UE1, and determine the downlink received power other than the signal strength of the primary serving cell as the signal strength of UE1's neighboring cells. According to the above method, the signal strength of the main serving cell and the signal strength of the adjacent cell corresponding to each terminal are respectively determined.

104. When the difference between the signal strength of the primary serving cell of the target terminal and the signal strength of an adjacent cell is smaller than the preset signal strength difference threshold and the number of times is greater than the preset threshold, determine that the primary serving cell of the target terminal is There are cells with overlapping coverage.

Differentiate the signal strength of the primary serving cell of the same terminal from the signal strength of each adjacent cell of the same terminal to obtain multiple difference values, wherein the number of difference values is the total number of adjacent cells of the same terminal. It should be noted that the values of the preset signal strength difference threshold and the preset number of times threshold can be preset by staff according to actual needs, and the setting method is not specifically limited in this embodiment of the present invention. For example: in the embodiment of the present invention, the preset signal strength difference threshold may be 6 dB, and the preset number of times threshold may be 2 times. When RSRP _1-1 -RSRP _2-1 <6, RSRP _1-1 -RSRP _3-1 <6 and RSRP _1-1 -RSRP _4-1 <6, since the signal strength of the primary serving cell of the target terminal If the difference in signal strength of adjacent cells is less than 6 dB for more than 2 times, it is determined that there is overlapping coverage in the primary serving cell where the terminal is located.

A method for determining a cell with overlapping coverage provided by an embodiment of the present invention obtains the uplink transmission power of each terminal in the target area, the uplink reception power of each base station, and the downlink transmission power of each base station, and according to the uplink transmission power , uplink receiving power and downlink transmitting power, respectively determine the downlink receiving power of each terminal, and determine the signal strength of the main serving cell and the signal strength of the adjacent cell corresponding to each terminal according to the downlink receiving power of each terminal. When the difference between the signal strength of the main serving cell of the target terminal and the signal strength of the adjacent cell is less than the preset signal strength difference threshold and the number of times is greater than the preset number of times threshold, it is determined that the main serving cell of the target terminal is overlapped covered area. Among them, the uplink transmission power includes the transmission power for the terminal to send reference signals to each base station, the uplink reception power includes the reception power for the base station to receive the reference signals sent by each terminal, and the downlink transmission power includes the transmission power for the base station to send data to each terminal. The transmit power includes the transmit power for the base station to send data to each terminal, and the downlink receive power includes the receive power for the terminal to receive the data sent by each base station. Compared with determining the RSRP of each cell through a drive test method in the prior art, the embodiment of the present invention can determine the downlink receiving power of each terminal according to the uplink transmission power, uplink reception power and downlink transmission power, that is, RSRP. Then it is determined according to the RSRP whether the primary serving cell where the target terminal is located is a cell with overlapping coverage. Moreover, by using the above method, as long as the terminal sends the reference signal at the current location, the RSRP can be accurately determined according to the detected related data. Therefore, the range in which the RSRP can be obtained is increased, thereby improving the accuracy of determining overlapping coverage cells.

In order to further evaluate the overlapping coverage of cells, in an implementation manner of the embodiment of the present invention, the first number and the second number may be obtained, and then the ratio of the first number to the second number may be determined as the overlap coverage rate. Therefore, on the basis of the implementation shown in FIG. 1 , the implementation shown in FIG. 2 may also be implemented. Wherein, after step 104 is executed, when the difference between the signal strength of the main serving cell of the target terminal and the signal strength of the adjacent cell is smaller than the preset signal strength difference threshold and the number of times that the target terminal is determined is greater than the preset number of times threshold After the primary serving cell is a cell with overlapping coverage, step 105 and step 106 may also be performed:

105. Acquire the first quantity and the second quantity.

Wherein, the first number is the number of cells with overlapping coverage among the primary serving cells of all terminals, and the second number is the number of all terminals.

106. Determine the ratio of the first quantity to the second quantity as the overlapping coverage ratio.

In a method for determining cells with overlapping coverage provided by an embodiment of the present invention, the first number and the second number are obtained, and then the ratio of the first number to the second number is determined as the overlapping coverage ratio. Wherein, the first number is the number of cells with overlapping coverage among the primary serving cells of all terminals, and the second number is the number of all terminals. Compared with determining the RSRP of each cell through a drive test method in the prior art, the embodiment of the present invention can determine the downlink receiving power of each terminal according to the uplink transmission power, uplink reception power and downlink transmission power, that is, RSRP. Then it is determined according to the RSRP whether the primary serving cell where the target terminal is located is a cell with overlapping coverage. Moreover, by using the above method, as long as the terminal sends the reference signal at the current location, the RSRP can be accurately determined according to the detected related data. The overlapping coverage ratio may also be determined according to the acquired first quantity and the second quantity, so as to further evaluate the overlapping coverage situation of the cells. Therefore, the range in which the RSRP can be obtained is increased, thereby improving the accuracy of determining overlapping coverage cells.

In order to further evaluate the overlapping coverage of the cells, in an implementation of the embodiment of the present invention, the target area can be divided into at least two grids, and then according to the main serving cell and adjacent cells of each grid to determine the overlap coverage factor. Therefore, on the basis of the implementation shown in FIG. 1 , the implementation shown in FIG. 3 may also be implemented. Wherein, after step 104 is executed, when the difference between the signal strength of the main serving cell of the target terminal and the signal strength of the adjacent cell is smaller than the preset signal strength difference threshold and the number of times that the target terminal is determined is greater than the preset number of times threshold After the primary serving cell is a cell with overlapping coverage, step 107 to step 110 may also be performed:

107. Divide the target area into at least two grids equally.

108. Determine the average downlink receiving power of data sent by each base station in each grid respectively.

Average the downlink receiving power of different terminals in the same grid receiving the data sent by the same base station, and determine the averaged downlink receiving power as the average downlink receiving power of the data sent by the same base station in the same grid power. For example: in a certain grid, multiple downlink receiving powers of two terminals UE1 and UE2 are obtained, wherein the downlink receiving power of UE1 includes: RSRP _1-1 , RSRP _2-1 ... RSRP _n-1 , The downlink received power of UE2 includes: RSRP _1-2 , RSRP _2-2 ... RSRP _n-2 , then the average downlink received power of base station 1 in a certain grid, that is, the average signal strength is Wherein, RSRP ₁₁ is the average signal strength of the base station 1 reaching the certain grid in the certain grid. According to the above method, the average signal strengths _of base station ₁ to base station _n arriving in the certain grid can be obtained respectively. _1n is the average signal strength of base station n reaching the certain grid in the certain grid. Similarly, in each grid, the average signal strength of base station 1 to base station n arriving in each grid can be obtained, that is, the unique value of the signal strength of each base station in each grid can be obtained.

109. Determine the primary serving cell and adjacent cells of each grid according to the average downlink received power.

According to the average signal strength of base station 1 to base station n in each grid obtained in step 110, it is determined that the maximum value of the average signal strength in each grid is the signal of the main serving cell in the grid Strength, and the average signal strength except the signal strength of the main serving cell is determined as the signal strength of the neighboring cells in the grid.

110. Determine an overlapping coverage factor of each base station according to the primary serving cell and adjacent cells of each grid.

A method for determining a cell with overlapping coverage provided by an embodiment of the present invention divides the target area into at least two grids on average, determines the average downlink receiving power of each base station in each grid to transmit data, and then calculates the average downlink receiving power according to the average Downlink received power, determine the main serving cell and adjacent cells of each grid, and determine the overlapping coverage factor of each base station according to the main serving cell and adjacent cells of each grid. Compared with determining the RSRP of each cell through a drive test method in the prior art, the embodiment of the present invention can determine the downlink receiving power of each terminal according to the uplink transmission power, uplink reception power and downlink transmission power, that is, RSRP. Then it is determined according to the RSRP whether the primary serving cell where the target terminal is located is a cell with overlapping coverage. Moreover, by using the above method, as long as the terminal sends the reference signal at the current location, the RSRP can be accurately determined according to the detected related data. The overlapping coverage coefficient of each base station can also be determined according to the main serving cell and adjacent cells of each grid, so as to further evaluate the overlapping coverage of the cells. Therefore, the range in which the RSRP can be obtained is increased, thereby improving the accuracy of determining overlapping coverage cells.

In order to accurately determine the overlapping coverage factor of each base station, in an implementation manner of the embodiment of the present invention, the third quantity and the fourth quantity may be obtained, and then the ratio of the fourth quantity to the third quantity may be determined as the overlapping coverage factor. Therefore, on the basis of the implementation shown in FIG. 3 , it can also be implemented as the implementation shown in FIG. 4 . Wherein, step 110 determines the overlapping coverage coefficient of each base station according to the primary serving cell and adjacent cells of each grid, which can be specifically implemented as steps 1101 and 1102:

1101. Acquire the third quantity and the fourth quantity.

Wherein, the third number includes the number of times each base station serves as the main serving cell, and the fourth number includes when each base station serves as the main serving cell, other base stations serve as adjacent cells and are among the other base stations in each grid The total number of times each base station meets the preset condition.

1102. Determine an overlapping coverage factor of each base station according to the ratio of the fourth quantity to the third quantity.

For example: the target area is evenly divided into 16 grids as shown in FIG. 5 . In these 16 grids, since the number of primary serving cells of base station 1 is 15, the number of primary serving cells of base station 2 is 1, and the number of base station 2 is adjacent cells, that is, the number of cells interfering with the primary serving cell is 3 , the number of adjacent cells for base station 3 is 2, and the number of adjacent cells for base station 4 is 4. Therefore, the overlapping coverage coefficient of base station 1 is that is It should be noted that, in the embodiment of the present invention, in addition to the above calculation method to determine the overlapping coverage coefficient of base station 1, the interference coefficient of each adjacent cell to the primary serving cell can also be determined first, and then all obtained for The overlapping coverage coefficient of the primary serving cell is obtained by superimposing on the interference coefficient of the same primary serving cell.

In a method for determining cells with overlapping coverage provided by an embodiment of the present invention, the third number and the fourth number are obtained, and then the ratio of the fourth number to the third number is determined as the overlapping coverage coefficient. Wherein, the third number includes the number of times each base station serves as the main serving cell, and the fourth number includes when each base station serves as the main serving cell, other base stations serve as adjacent cells and are among the other base stations in each grid The total number of times each base station meets the preset condition. Compared with determining the RSRP of each cell through a drive test method in the prior art, the embodiment of the present invention can determine the downlink receiving power of each terminal according to the uplink transmission power, uplink reception power and downlink transmission power, that is, RSRP. Then it is determined according to the RSRP whether the primary serving cell where the target terminal is located is a cell with overlapping coverage. Moreover, by using the above method, as long as the terminal sends the reference signal at the current location, the RSRP can be accurately determined according to the detected related data. The overlapping coverage coefficient of each base station may also be determined according to the obtained third quantity and fourth quantity, so as to further evaluate the overlapping coverage situation of the cell. Therefore, the range in which the RSRP can be obtained is increased, thereby improving the accuracy of determining overlapping coverage cells.

In order to accurately determine the downlink received power of each terminal, in an implementation of the embodiment of the present invention, the uplink path loss from each terminal to each base station can be determined according to the uplink transmit power and the uplink receive power, and then Then, according to the downlink transmission power and the uplink path loss, the downlink receiving power of each terminal is accurately determined. Therefore, on the basis of the implementation shown in FIG. 1 , the implementation shown in FIG. 6 can also be implemented. Wherein, step 102 respectively determines the downlink receiving power of each terminal according to the uplink transmission power, uplink reception power, and downlink transmission power, which can be specifically implemented as steps 1021 and 1022:

1021. According to the uplink transmit power and the uplink receive power, respectively determine the uplink path loss from each terminal to each base station.

In the process of signal transmission from the terminal to the base station, due to signal interference and other reasons, there will be a certain path loss, that is, the uplink path loss. Therefore, in the embodiment of the present invention, the uplink transmission power of the terminal can be obtained, and the terminal can be received. The uplink received power of the base station that sends the reference signal is used to determine the uplink path loss from the terminal to the base station. In the embodiment of the present invention, the uplink path loss can be calculated specifically according to the formula PL _u =TP_UE-RP_N, where PL _u is the uplink path loss, TP_UE is the uplink transmit power for the terminal to send a reference signal to the base station, and RP_N is the base station receiving terminal The uplink received power of the transmitted reference signal.

1022. Determine the downlink receive power of each terminal respectively according to the downlink transmit power and the uplink path loss.

In the embodiment of the present invention, in order to obtain the downlink receiving power of the terminal conveniently, it can be considered that at the same time, the downlink path loss from the same base station to the same terminal is numerically equal to the uplink path loss from the same terminal to the same base station, that is, the downlink path loss Loss PL _d =PL _u . Therefore, the downlink receiving power of the terminal can be calculated according to the formula RP_UE=TP_N-PL _d . Wherein, RP_UE is the downlink receive power for the terminal to receive data sent by the base station, and TP_N is the downlink transmit power for the base station to send data to the terminal. Afterwards, it may be determined according to the downlink received power of each terminal whether the cell where each terminal is located is a cell with overlapping coverage. It should be noted that step 102 as shown in FIGS. 2 to 4 may also be specifically implemented as step 1021 and step 1022 .

A method for determining a cell with overlapping coverage provided by an embodiment of the present invention can determine the uplink path loss from each terminal to each base station according to the uplink transmit power and uplink receive power, and then determine the uplink path loss according to the downlink transmit power and uplink path loss , respectively determine the downlink receiving power of each terminal. Compared with determining the RSRP of each cell through a drive test method in the prior art, the embodiment of the present invention can determine the downlink receiving power of each terminal according to the uplink transmission power, uplink reception power and downlink transmission power, that is, RSRP. Then it is determined according to the RSRP whether the primary serving cell where the target terminal is located is a cell with overlapping coverage. Moreover, by using the above method, as long as the terminal sends the reference signal at the current location, the RSRP can be accurately determined according to the detected related data. Therefore, the range in which the RSRP can be obtained is increased, thereby improving the accuracy of determining overlapping coverage cells.

An embodiment of the present invention provides an apparatus 20 for determining cells with overlapping coverage. As shown in FIG. 7 , the apparatus 20 includes:

An acquisition module 21, configured to acquire the uplink transmission power of each terminal in the target area, the uplink reception power of each base station, and the downlink transmission power of each base station, where the uplink transmission power includes the transmission power of the reference signal sent by the terminal to each base station , the uplink receiving power includes the receiving power of the base station receiving the reference signal sent by each terminal, and the downlink transmitting power includes the transmitting power of the base station sending data to each terminal.

The determining module 22 is configured to respectively determine the downlink receiving power of each terminal according to the uplink transmitting power, uplink receiving power, and downlink transmitting power. The downlink receiving power includes receiving power for the terminal to receive data sent by each base station.

The determination module 22 is further configured to determine the signal strength of the main serving cell and the signal strength of the adjacent cell corresponding to each terminal according to the downlink received power of each terminal.

The determination module 22 is also used to determine the target terminal when the difference between the signal strength of the main serving cell of the target terminal and the signal strength of the adjacent cell is less than the preset signal strength difference threshold and the number of times is greater than the preset number of times threshold The primary serving cell of is a cell with overlapping coverage.

In an implementation of the embodiment of the present invention, the obtaining module 21 is also used to obtain the first number and the second number, the first number is the number of cells with overlapping coverage in the primary serving cells of all terminals, and the second number is The number of all terminals.

The determination module 22 is further configured to determine the ratio of the first quantity to the second quantity as the overlapping coverage.

In an implementation of the embodiment of the present invention, the division module 23 is configured to divide the target area into at least two grids equally.

The determination module 22 is further configured to respectively determine the average downlink receiving power of data sent by each base station in each grid.

The determining module 22 is further configured to determine the primary serving cell and adjacent cells of each grid according to the average downlink received power.

The determination module 22 is further configured to determine the overlapping coverage factor of each base station according to the primary serving cell and adjacent cells of each grid.

In an implementation of the embodiment of the present invention, the determining module 22 is specifically configured to obtain the third number and the fourth number, the third number includes the number of times each base station serves as the primary serving cell, and the fourth number includes the number of times each base station serves as the primary serving cell. When serving a cell, other base stations serve as adjacent cells and the total number of times each of the other base stations in each grid meets the preset condition;

According to the ratio of the fourth quantity to the third quantity, the overlapping coverage factor of each base station is determined.

In an implementation of the embodiment of the present invention, the determination module 22 is specifically configured to determine the uplink path loss from each terminal to each base station according to the uplink transmit power and uplink receive power;

According to the downlink transmit power and the uplink path loss, the downlink receive power of each terminal is respectively determined.

An apparatus for determining cells with overlapping coverage provided by an embodiment of the present invention obtains the uplink transmission power of each terminal in the target area, the uplink reception power of each base station, and the downlink transmission power of each base station, and according to the uplink transmission power , uplink receiving power and downlink transmitting power, respectively determine the downlink receiving power of each terminal, and determine the signal strength of the main serving cell and the signal strength of the adjacent cell corresponding to each terminal according to the downlink receiving power of each terminal. When the difference between the signal strength of the main serving cell of the target terminal and the signal strength of the adjacent cell is less than the preset signal strength difference threshold and the number of times is greater than the preset number of times threshold, it is determined that the main serving cell of the target terminal is overlapped covered area. Among them, the uplink transmission power includes the transmission power for the terminal to send reference signals to each base station, the uplink reception power includes the reception power for the base station to receive the reference signals sent by each terminal, and the downlink transmission power includes the transmission power for the base station to send data to each terminal. The transmit power includes the transmit power for the base station to send data to each terminal, and the downlink receive power includes the receive power for the terminal to receive the data sent by each base station. Compared with determining the RSRP of each cell through a drive test method in the prior art, the embodiment of the present invention can determine the downlink receiving power of each terminal according to the uplink transmission power, uplink reception power and downlink transmission power, that is, RSRP. Then it is determined according to the RSRP whether the primary serving cell where the target terminal is located is a cell with overlapping coverage. Moreover, by using the above method, as long as the terminal sends the reference signal at the current location, the RSRP can be accurately determined according to the detected related data. Therefore, the range in which the RSRP can be obtained is increased, thereby improving the accuracy of determining overlapping coverage cells.

Each embodiment in this specification is described in a progressive manner, the same and similar parts of each embodiment can be referred to each other, and each embodiment focuses on the differences from other embodiments. In particular, as for the device embodiments, since they are basically similar to the method embodiments, the description is relatively simple, and for relevant parts, please refer to part of the description of the method embodiments.

Those of ordinary skill in the art can understand that all or part of the processes in the methods of the above embodiments can be implemented through computer programs to instruct related hardware, and the programs can be stored in computer-readable storage media. During execution, it may include the processes of the embodiments of the above-mentioned methods. Wherein, the storage medium may be a magnetic disk, an optical disk, a read-only memory (Read-Only Memory, ROM) or a random access memory (Random Access Memory, RAM) and the like.

The above is only a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Anyone skilled in the art can easily think of changes or substitutions within the technical scope disclosed in the present invention. All should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention should be determined by the protection scope of the claims.

Claims (10)

1. determine the method that there is the overlapping community covered, it is characterized in that, described method comprises:

Obtain the uplink transmission power of each terminal, the uplink received power of each base station in target area, and the down transmitting power of described each base station, described uplink transmission power comprises terminal sends transmitting power from reference signal to described each base station, described uplink received power comprises base station and receives the received power that described each terminal sends described reference signal, and described down transmitting power comprises base station sends transmitting power from data to described each terminal;

According to described uplink transmission power, described uplink received power, and described down transmitting power, determine the downlink reception power of described each terminal respectively, described downlink reception power comprises terminal and receives the received power that described each base station sends described data;

According to the downlink reception power of described each terminal, determine the signal strength signal intensity of main Serving cell that each terminal is corresponding and the signal strength signal intensity of neighbor cell;

When the number of times that the difference of the signal strength signal intensity of main Serving cell and the signal strength signal intensity of neighbor cell that occur target terminal is less than this situation of preset signal strength difference thresholding is greater than preset times thresholding, determine that the main Serving cell of described target terminal is there is the overlapping community covered.

2. method according to claim 1, is characterized in that, described determine the main Serving cell of described target terminal be there is the overlapping community covered after, comprising:

Obtain the first quantity and the second quantity, described first quantity is the quantity that there is the overlapping community covered in the main Serving cell of all terminals, and described second quantity is the quantity of described all terminals;

The ratio-dependent of described first quantity and described second quantity to be attached most importance to folded coverage rate.

3. method according to claim 1, is characterized in that, described determine the main Serving cell of described target terminal be there is the overlapping community covered after, comprising:

Described target area is divided at least two grids;

Determine that each base station in each grid sends the average downlink reception power of described data respectively;

According to described average downlink reception power, determine main Serving cell and the neighbor cell of described each grid;

According to main Serving cell and the neighbor cell of described each grid, determine the overlapping coverage coefficient of each base station.

4. method according to claim 3, is characterized in that, the described main Serving cell according to described each grid and neighbor cell, determines the overlapping coverage coefficient of each base station, comprising:

Obtain the 3rd quantity and the 4th quantity, described 3rd quantity comprises the number of times of described each base station as main Serving cell, when described 4th quantity comprises described each base station as main Serving cell, each base station of other base stations as neighbor cell and in other base stations described in described each grid meets pre-conditioned total degree;

According to described 4th quantity and the 3rd quantitative proportion, determine the overlapping coverage coefficient of described each base station.

5. the method for any one according to Claims 1-4, is characterized in that, described according to described uplink transmission power, described uplink received power, and described down transmitting power, determines the downlink reception power of described each terminal respectively, comprising:

According to described uplink transmission power and described uplink received power, determine the up path loss of described each terminal to described each base station respectively;

According to described down transmitting power and described up path loss, determine the downlink reception power of described each terminal respectively.

6. determine the device that there is the overlapping community covered, it is characterized in that, described device comprises:

Acquisition module, for obtaining the uplink transmission power of each terminal in target area, the uplink received power of each base station, and the down transmitting power of described each base station, described uplink transmission power comprises terminal sends transmitting power from reference signal to described each base station, described uplink received power comprises base station and receives the received power that described each terminal sends described reference signal, and described down transmitting power comprises base station sends transmitting power from data to described each terminal;

Determination module, for according to described uplink transmission power, described uplink received power, and described down transmitting power, determine the downlink reception power of described each terminal respectively, described downlink reception power comprises terminal and receives the received power that described each base station sends described data;

Described determination module, also for the downlink reception power according to described each terminal, determines the signal strength signal intensity of main Serving cell that each terminal is corresponding and the signal strength signal intensity of neighbor cell;

Described determination module, when number of times also for being less than this situation of preset signal strength difference thresholding when the difference of the signal strength signal intensity of main Serving cell and the signal strength signal intensity of neighbor cell that occur target terminal is greater than preset times thresholding, determine that the main Serving cell of described target terminal is there is the overlapping community covered.

7. device according to claim 6, it is characterized in that, described acquisition module, also for obtaining the first quantity and the second quantity, described first quantity is the quantity that there is the overlapping community covered in the main Serving cell of all terminals, and described second quantity is the quantity of described all terminals;

Described determination module, also for folded coverage rate of being attached most importance to by the ratio-dependent of described first quantity and described second quantity.

8. device according to claim 6, is characterized in that, divides module, for described target area is divided at least two grids;

Described determination module, also for determining that each base station in each grid sends the average downlink reception power of described data respectively;

Described determination module, also for according to described average downlink reception power, determines main Serving cell and the neighbor cell of described each grid;

Described determination module, also for according to the main Serving cell of described each grid and neighbor cell, determines the overlapping coverage coefficient of each base station.

9. device according to claim 8, it is characterized in that, described determination module, specifically for obtaining the 3rd quantity and the 4th quantity, described 3rd quantity comprises the number of times of described each base station as main Serving cell, when described 4th quantity comprises described each base station as main Serving cell, each base station of other base stations as neighbor cell and in other base stations described in described each grid meets pre-conditioned total degree;

According to described 4th quantity and the 3rd quantitative proportion, determine the overlapping coverage coefficient of described each base station.

10. according to the device of any one described in claim 6 to 9, it is characterized in that, described determination module, specifically for according to described uplink transmission power and described uplink received power, determine the up path loss of described each terminal to described each base station respectively;

According to described down transmitting power and described up path loss, determine the downlink reception power of described each terminal respectively.