Method, device and electronic equipment for deploying remote radio frequency unit in the air

Abstract

The present invention provides a method, device and electronic device for deploying an airborne radio frequency remote unit, belonging to the field of communication technology, the method comprising: determining a first area in a to-be-deployed area that is not covered by each first airborne base station; determining multiple first positions and multiple second positions in the first area; determining at least one deployment position from multiple second positions based on the position of the first area, the coverage area of ​​the airborne radio frequency remote unit and the position of the user terminal in the to-be-deployed area; deploying at least one airborne radio frequency remote unit based on the deployment position. The method for deploying an airborne radio frequency remote unit of the present invention can quickly determine a feasible position for deploying the airborne radio frequency remote unit by first determining the first position, and then analyzing and screening the first position to obtain the second position and the final deployment position, thereby shortening the deployment time, and thus being able to quickly achieve full communication coverage of the first area.

Description

Technical Field

[0001] The present invention relates to the field of communication technology, and in particular to a deployment method, device and electronic equipment of an aerial radio remote unit. Background Art

[0002] Emergency communications refers to the comprehensive use of various communication resources to ensure the communication means and methods required for rescue, emergency assistance and necessary communications when natural or man-made emergencies occur, including when communication demand increases sharply during important holidays. With the development of mobile communication equipment and the complex changes in emergency situations, the information and instructions transmitted in 5G and 6G networks are no longer limited to voice services, but also need to provide stable, secure and instant video transmission services.

[0003] With the emergence of a new generation of unmanned aerial vehicles (UAVs), drones have more advanced avionics, guidance and autopilot systems. Drones are increasingly being used, such as performing disaster relief and establishing dynamic, scalable communication networks. At present, research on aerial base stations has received widespread attention. Compared with high altitude platforms (HAPs), low altitude platforms (LAPs) are easier to deploy and are consistent with the concept of cellular network applications.

[0004] Under the severe impact of natural disasters or special events, ground communication infrastructure may be severely damaged. After the deployment of large aerial base stations, communication coverage is not achieved in edge locations and coverage gaps. How to deploy aerial radio remote units on low-altitude platforms to quickly achieve full coverage of uncovered areas is an urgent problem that needs to be solved. Summary of the invention

[0005] The present invention provides a method, device and electronic equipment for deploying an aerial radio remote unit, which are used to solve the defect in the prior art that it is difficult to quickly complete full coverage of communications in emergency scenarios, and achieve the effect of quickly and fully covering emergency scenarios.

[0006] The present invention provides a method for deploying an aerial radio remote unit, comprising:

[0007] Determine a first area in the to-be-deployed area that is not covered by each first aerial base station;

[0008] determining a plurality of first locations in the first area;

[0009] Determining a plurality of second positions from a plurality of the first positions based on a coverage radius of the airborne radio remote unit;

[0010] Determine at least one deployment position from a plurality of second positions based on the position of the first area, the coverage area of ​​the airborne radio remote unit, and the position of the user terminal in the to-be-deployed area;

[0011] At least one of the airborne radio remote units is deployed based on the deployment location.

[0012] According to a method for deploying an airborne radio remote unit provided by the present invention, the method of determining a plurality of second positions from a plurality of first positions based on the coverage radius of the airborne radio remote unit comprises:

[0013] Determine each second grid from each first grid, wherein an area corresponding to the second grid overlaps with the first area;

[0014] Determine each third grid from each second grid, wherein the first position is located in an area corresponding to the third grid;

[0015] Determine each second position in the area corresponding to each third grid;

[0016] The first grid is obtained by dividing the area to be deployed according to a target size, and the target size is obtained based on the coverage radius of the airborne radio remote unit.

[0017] According to a method for deploying an airborne radio remote unit provided by the present invention, when there are at least two first positions in the area corresponding to the third grid, and when there are first positions in all the areas corresponding to the second grids adjacent to the third grid, determining each second position in the area corresponding to each third grid comprises:

[0018] A first position that is closest to the third grid mass centroid is determined as the second position.

[0019] According to a method for deploying an airborne radio remote unit provided by the present invention, when there are at least two first positions in the area corresponding to the third grid, and there is a second grid in the corresponding area of ​​the second grid adjacent to the third grid where there is no first position, determining each second position in the area corresponding to each third grid includes:

[0020] Merge the area corresponding to the third grid and the area corresponding to the second grid adjacent to the third grid and not existing in the first position into a second area;

[0021] The first position that is closest to the centroid of the second area is determined as the second position.

[0022] According to a method for deploying an airborne radio remote unit provided by the present invention, the method of determining at least one deployment position from a plurality of second positions based on the position of the first area, the coverage area of ​​the airborne radio remote unit, and the position of a user terminal in the area to be deployed comprises:

[0023] Inputting the plurality of second positions and the positions of the user terminals in the to-be-deployed area into a deployment position determination model, and obtaining at least one deployment position of the airborne radio remote unit output by the deployment position determination model;

[0024] The deployment location determination model is determined based on a greedy deployment algorithm, and the deployment location determination model is used to maximize the coverage area of ​​the aerial radio remote unit. The constraints iteratively solved by the deployment location determination model are: removing redundant aerial radio remote units each time the aerial radio remote unit is deployed, and all coverage areas of the redundant aerial radio remote units have been covered.

[0025] According to a method for deploying an airborne radio remote unit provided by the present invention, after deploying at least one airborne radio remote unit based on the deployment position, the method further includes:

[0026] Acquire, through the first aerial base station and the radio remote unit, the amount of transmission information of the user terminal in the area to be deployed and the location information of the user terminal;

[0027] Determine at least one hotspot location in the to-be-deployed area based on the amount of transmission information and location information of the user terminal;

[0028] A second aerial base station is deployed in the air above each of the hotspot locations.

[0029] According to a method for deploying an aerial radio remote unit provided by the present invention, the second aerial base station communicates with the user terminal via a millimeter wave band.

[0030] The present invention also provides a deployment device for an aerial radio remote unit, comprising:

[0031] A first processing module is used to determine a first area in the to-be-deployed area that is not covered by each first aerial base station;

[0032] a second processing module, configured to determine a plurality of first positions in the first area;

[0033] A third processing module, configured to determine a plurality of second positions from a plurality of the first positions based on a coverage radius of the airborne radio remote unit;

[0034] a fourth processing module, configured to determine at least one deployment position from a plurality of second positions based on the position of the first area, the coverage area of ​​the airborne radio remote unit, and the position of the user terminal in the area to be deployed;

[0035] A fifth processing module is configured to deploy at least one of the airborne radio remote units based on the deployment location.

[0036] The present invention also provides an electronic device, comprising a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein when the processor executes the program, a method for deploying an airborne radio remote unit as described in any one of the above-described methods is implemented.

[0037] The present invention also provides a non-transitory computer-readable storage medium having a computer program stored thereon, and when the computer program is executed by a processor, the method for deploying an airborne radio remote unit as described in any one of the above.

[0038] The present invention also provides a computer program product, comprising a computer program, wherein when the computer program is executed by a processor, the computer program implements any of the above-mentioned methods for deploying an airborne radio remote unit.

[0039] The method, device and electronic device for deploying an aerial radio remote unit provided by the present invention can quickly determine a feasible position for deploying the aerial radio remote unit by first determining a first position, and then analyze and screen the first position to obtain a second position and a final deployment position, thereby shortening the deployment time and being able to quickly achieve full communication coverage of the first area. BRIEF DESCRIPTION OF THE DRAWINGS

[0040] In order to more clearly illustrate the technical solutions in the present invention or the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0041] Figure 1 It is a flow chart of a method for deploying an airborne radio remote unit provided by the present invention;

[0042] Figure 2 is a schematic diagram of deployment of a first aerial base station in a to-be-deployed area provided by the present invention;

[0043] Figure 3 is one of the schematic diagrams of the first grid provided by the present invention;

[0044] Figure 4 This is the second schematic diagram of the first grid provided by the present invention;

[0045] Figure 5 It is a structural schematic diagram of a deployment device of an aerial radio remote unit provided by the present invention;

[0046] Figure 6 It is a structural schematic diagram of the electronic device provided by the present invention. DETAILED DESCRIPTION

[0047] In order to make the purpose, technical solution and advantages of the present invention clearer, the technical solution of the present invention will be clearly and completely described below in conjunction with the drawings of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0048] Combine the following Figure 1-Figure 6 The present invention describes a method, device and electronic device for deploying an airborne radio remote unit.

[0049] The execution subject of the method for deploying the airborne radio remote unit in the embodiment of the present invention may be a control center, and in some embodiments, may also be a controller or a server, and the execution subject is not limited here. The following describes the method for deploying the airborne radio remote unit in the embodiment of the present invention with the control center as the execution subject.

[0050] It should be noted that the control center is used for emergency deployment of the post-disaster communication system. The control center can receive user input and issue relevant instructions to relevant facilities. Alternatively, the control center can also automatically issue relevant instructions to relevant equipment according to the default strategy.

[0051] The method for deploying an airborne radio remote unit according to the embodiment of the present invention mainly includes step 110 , step 120 , step 130 , step 140 and step 150 .

[0052] Step 110: Determine a first area in the area to be deployed that is not covered by each first aerial base station.

[0053] It should be noted that the area to be deployed may be an area affected by a disaster, or the area to be deployed may be an area where emergency communications need to be restored after a disaster.

[0054] In some embodiments, the area and shape of the area to be deployed can be first obtained by mapping using a satellite or a drone.

[0055] For example, patrol drones can be used to scan the area to be deployed. The scanning method is that the drone continuously takes high-definition images of the disaster area at a fixed direction, speed and altitude. In this case, the photos taken every two times must maintain a certain overlap area to ensure that the images can be completely spliced, thereby obtaining a complete and accurate range of the area to be deployed.

[0056] In this embodiment, the first aerial base station can be deployed to ensure emergency communications in most locations in the area to be covered as quickly as possible, and then the coverage range of the first aerial base station can be determined. Then, based on the range of the area to be deployed, the first area where the aerial radio frequency remote unit needs to be deployed is determined, that is, the first area is the area in the area to be deployed that is not covered by the first aerial base stations.

[0057] like Figure 2 As shown, the irregular boundary area in the figure represents the area to be deployed, and the three circles represent the coverage areas of the three deployed first aerial base stations.

[0058] On this basis, by deploying aerial radio frequency remote units to provide communication coverage for gaps and edge locations, full and rapid communication coverage of the area to be covered is achieved, ensuring continuous network services over a large area in the area to be covered.

[0059] It should be noted that the first aerial base station is a public mobile communication base station for emergency use, and in this embodiment, it can be an aerial base station (Aerial Base Station, AeBS). The first aerial base station is a radio transceiver station that transmits information between a mobile communication exchange center and a terminal in a certain radio coverage area. The baseband part and the radio frequency part of the first aerial base station can be separated. Among them, the baseband part can be called a baseband processing unit, and the radio frequency part can be called a radio frequency remote unit. The baseband processing unit and the radio frequency remote unit can be connected by wired optical fiber or wirelessly.

[0060] Terminal can also be called User Equipment (UE), Mobile Station (MS), Mobile Terminal, Access Terminal, Terminal Equipment, User Unit, User Station, Mobile Station, Mobile Station, Remote Station, Remote Terminal, Mobile Device, User Terminal, Wireless Communication Equipment, User Agent or User Device, etc. The terminal can communicate with one or more core networks through a base station. The terminal can be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a Wireless Local Loop (WLL) station, a Personal Digital Assistant (PDA), a handheld device with wireless communication function, a computer device or a vehicle-mounted device, a wearable device, and a terminal device in the future 5G network, etc.

[0061] Of course, in different communication systems, the specific units included in the first aerial base station are different. In this embodiment, the first aerial base station may only include a baseband processing unit, but not a radio frequency remote unit. The baseband processing unit includes a central unit and a distributed unit. By deploying a baseband processing unit with a wide coverage range, a wide range of communication emergency coverage can be achieved.

[0062] It should be noted that the first aerial base station provided in the embodiment of the present application can be applied to networking scenarios in which line-of-sight or non-line-of-sight transmission is required between the base station and the terminal. This application does not limit the specific type of data transmitted in the networking scenario, for example, it can be voice data, image data, video data, sensor data, and control data.

[0063] It is understandable that due to the high cost of the first aerial base station for emergency use, the number of deployed first aerial base stations is not necessarily the more the better. Therefore, when determining the number of deployed first aerial base stations, the deployment cost of the first aerial base station and the number of existing first aerial base station-related devices that can be dispatched and deployed can be fully considered, and then the actual number required for deployment can be determined through comprehensive consideration.

[0064] It can be understood that the aerial remote radio head (AeRRH) in this embodiment is used to achieve communication coverage at edge locations and gap locations.

[0065] When multiple air remote radio units are provided, under certain conditions, the user terminal can also perform cell handover between the multiple air remote radio units.

[0066] In this embodiment, the airborne radio remote unit is communicatively connected to the first airborne base station, and the first airborne base station and the airborne radio remote unit are used to achieve full-area communication coverage in the area to be deployed.

[0067] The baseband processing unit of the first airborne base station can support multiple radio remote units. In this embodiment, the airborne radio remote unit transmits baseband signals to the baseband processing unit, the baseband processing unit can send the baseband signals to the airborne radio remote unit, the airborne radio remote unit can convert the baseband signals into radio frequency signals and transmit them through the antenna, and the airborne radio remote unit can also receive radio frequency signals through the antenna, convert the received radio frequency signals into baseband signals and send the baseband signals to the baseband processing unit.

[0068] Step 120: Determine a plurality of first positions in the first area.

[0069] It should be noted that since the first area is an uncovered edge and gap position, the shape of the first area and its distribution in the area to be covered are extremely irregular, and multiple feasible positions for deploying aerial radio remote units can be determined in the first area.

[0070] It should be noted that the first position may be a position point randomly selected in the first area.

[0071] In this case, a point selection method such as a random Poisson process may be used to determine a plurality of first regions in the first region.

[0072] In some embodiments, the first position may also be selected based on historical position information of the user terminal.

[0073] In this case, a historical location distribution map of user terminals in the coverage area may be obtained first, and historical location information of the user terminals may be determined, which may effectively improve the effectiveness of the first location selection.

[0074] In this embodiment, a first position where the aerial radio remote unit can be deployed is first determined in the first area, and a feasible deployment position can be quickly determined to analyze the coverage range after the aerial radio remote unit is deployed in the selected first position, and then optimize and adjust the deployment position to select the final deployment position.

[0075] Step 130: Determine a plurality of second positions from a plurality of first positions based on the coverage radius of the airborne radio remote unit.

[0076] It is understandable that, in order to achieve emergency communication coverage in emergency scenarios, the deployment height and transmission power of the aerial radio remote units can be unified first, and then the coverage radius of each aerial radio remote unit is also consistent, thereby reducing the deployment difficulty of early emergency deployment to achieve rapid communication coverage.

[0077] In some scenarios, since the first location distribution position may be close to the edge of the first area, the coverage utilization rate of the first area will be low after the aerial radio remote unit is deployed at the first location.

[0078] In other scenarios, the intervals between the first positions are too close, and aerial radio remote units are deployed at the first positions with too close intervals, which will reduce the coverage utilization rate of the aerial radio remote units in the first area and cause more duplicate coverage.

[0079] In some embodiments, historical location distribution information of the user terminal may be acquired, and a plurality of second locations may be determined in the first area.

[0080] In this case, the second location may be an area in the first area where the number of historical user terminals is relatively large.

[0081] Alternatively, considering that the crowd concentration in facilities such as residential buildings, squares, and stadiums is relatively large in emergency scenarios, a facility distribution map of the first area can be obtained, and based on the facility distribution map of the first area, the first position close to various facilities can be determined as the second position.

[0082] When determining the second position, the coverage radius of the ARU may be taken into consideration to ensure that the first area can be fully covered after the ARU is deployed at the second position.

[0083] In other embodiments, the area to be deployed may be divided into grids according to the target size, and the second position may be determined according to the distribution of the first position in the grid, the grid size, and the coverage radius of the aerial radio remote unit.

[0084] In this embodiment, a first grid is determined first. The first grid is obtained by dividing the area to be deployed according to a target size, where the target size is obtained based on the coverage radius of the airborne radio remote unit.

[0085] It should be noted that the first grid may be a square grid, and the side length of the square may be the coverage radius of the airborne radio remote unit. Of course, in some embodiments, the side length of the square may also be half of the coverage radius of the airborne radio remote unit, and the target size of the first grid is not limited here.

[0086] In this embodiment, by associating the target size with the coverage radius of the airborne radio remote unit, the coverage range of the airborne radio remote unit can be conveniently associated with the coverage range of the first grid, thereby facilitating the selection of the second position.

[0087] On this basis, each second grid is determined from each first grid, and the area corresponding to the second grid overlaps with the first area, that is, the area corresponding to the second grid includes a location that needs to be covered by the airborne radio remote unit for communication.

[0088] It should be noted that after the second grid is determined, each third grid is determined from each second grid. The first position is located in the area corresponding to the third grid, that is, the third grid is the second grid in the corresponding area that includes the first position.

[0089] After the third grids are determined, the second positions are determined in the areas corresponding to the third grids.

[0090] In some embodiments, there is only one first position in the area corresponding to one third grid. In this case, the first position can be determined as the second position.

[0091] In some other embodiments, there are only at least two first positions in the area corresponding to one third grid. To take into account the factors of multiple first positions, the following two scenarios can be considered.

[0092] 1. The first position exists in all corresponding areas of the second grids adjacent to the third grid.

[0093] It should be noted that if Figure 3 and Figure 4 As shown, the second grids adjacent to the third grid are second grids at eight locations, namely, above, below, left, right, upper left corner, upper right corner, lower left corner, and lower right corner of the third grid.

[0094] Figure 3 and Figure 4 In the figure, the grid filled with oblique lines represents the grid that does not overlap with the first area. The diamond in the figure represents the second position, and the circle in the figure represents the centroid of the area.

[0095] In the case that the first position exists in all the areas corresponding to the second grids adjacent to the third grid, determining each second position in the area corresponding to each third grid includes determining the first position closest to the centroid of the third grid as the second position.

[0096] like Figure 3 As shown, taking the central grid as an example, the central grid is the third grid, which includes two second positions. In this case, since the first positions exist in the grids surrounding the central grid, the first position closest to the centroid of the central grid is determined as the second position, so that the second position selected in the grid can be located at the center of the grid, so that the subsequent deployment of the aerial radio remote unit can achieve more uniform coverage.

[0097] 2. There is a second grid in the corresponding area of ​​the second grid adjacent to the third grid, but there is no second grid in the first position.

[0098] In the case where there is a second grid in the corresponding area of ​​the second grid adjacent to the third grid where the first position does not exist, determining each second position in the area corresponding to each third grid includes: merging the area corresponding to the third grid and the area corresponding to the second grid adjacent to the third grid where the first position does not exist into the second area.

[0099] like Figure 4 As shown, taking the central grid as an example, the central grid is the third grid, which includes two second positions. In this case, the grid above the central grid and the grid in the upper left corner do not include the first position.

[0100] The area corresponding to the central grid, the grid above the central grid, and the grid at the upper left corner of the central grid may be combined into a second area, and the second position may be determined by considering covering the second area.

[0101] In this case, the first position that is closest to the centroid of the second area may be determined as the second position.

[0102] like Figure 4 As shown, the second area is three grids selected by the frame, and the centroid of the second area is located in the grid above the central grid. Then the second position is the first position close to the centroid in the central grid.

[0103] In this embodiment, by fully considering whether the first position exists in the grid and selecting the second position as close as possible to the center of the grid area to be covered, it can be ensured that the coverage area after the aerial radio remote unit is deployed at the second position is wider, thereby improving the coverage efficiency.

[0104] Step 140: Determine at least one deployment location from a plurality of second locations based on the location of the first area, the coverage area of ​​the airborne radio remote unit, and the location of the user terminal in the area to be deployed.

[0105] It is understandable that the number of second positions is relatively large. If an aerial radio remote unit is deployed at each second position, there will be a large number of overlapping coverage positions, which will lead to low resource utilization efficiency.

[0106] In some embodiments, after the second positions are determined, the coverage range after the airborne radio remote units are set at all the second positions can be determined, and the positions of repeated coverage can be determined.

[0107] In this case, the second positions that can still ensure full coverage of the first area after deployment may be eliminated, and the remaining second positions may be determined as the final deployment positions.

[0108] Of course, in some other embodiments, a greedy deployment algorithm (GDA) may be used to set the target requirement to fully cover the first area, thereby obtaining a final deployment position.

[0109] Step 150: deploy at least one airborne radio remote unit based on the deployment location.

[0110] It can be understood that after the final deployment location is determined, the aerial radio frequency remote unit can be deployed at each deployment location according to the deployment height and transmission power determined in advance, and then form an aerial emergency network coverage system with the first aerial base station deployed in advance, thereby achieving network coverage of each location in the coverage area.

[0111] According to the method for deploying an aerial radio remote unit provided by an embodiment of the present invention, a feasible position for deploying the aerial radio remote unit can be quickly determined by first determining the first position, and then the first position is analyzed and screened to obtain the second position and the final deployment position, thereby shortening the deployment time, thereby being able to quickly achieve full coverage of communications in the first area.

[0112] In some embodiments, based on the location of the first area, the coverage area of ​​the aerial radio remote unit and the location of the user terminal in the area to be deployed, at least one deployment location is determined from multiple second locations, including: inputting the multiple second locations and the location of the user terminal in the area to be deployed into a deployment location determination model, and obtaining at least one deployment location of the aerial radio remote unit output by the deployment location determination model.

[0113] The deployment location determination model is determined based on a greedy deployment algorithm. The deployment location determination model is used to maximize the coverage area of ​​the aerial radio remote unit. The constraints for iterative solution of the deployment location determination model are: removing redundant aerial radio remote units each time the aerial radio remote units are deployed, and all coverage areas of the redundant aerial radio remote units have been covered.

[0114] Using the greedy deployment algorithm, the target requirements can be set to maximize the coverage area and the coverage user rate ξ(1). The deployment of the airborne RF remote units is highly consistent, and the location that can maximize the improvement of ξ is selected from the second location as the deployment location, thereby maximizing the network energy efficiency.

[0115] After determining a second position, during iteration, based on the last selection result, repeated searches are performed in the remaining second positions to increase the deployment positions of the airborne radio remote units until the network requirements are met.

[0116] In order to ensure the removal of redundancy and obtain the optimal two-dimensional deployment position, the greedy algorithm can be improved on the basis of the greedy algorithm heuristic to obtain the fixed coverage area deployment algorithm of the aerial remote radio unit (FixedCoverage Greedy Deployment Algorithm, FC-GDA). All the first needs to be covered can be used as the iterative optimization target, and the number of users increased in each iteration is the largest. The constraint condition is determined to remove the redundant aerial remote radio units each time the aerial remote radio units are deployed. All coverage areas of the redundant aerial remote radio units have been covered.

[0117] Since the ARU has a fixed coverage range, the target screening needs to find the second position with the largest number of added users. The second position with the largest number of added users can be represented by the area of ​​the newly added coverage area, that is, the larger the area of ​​the newly added coverage area, the larger the number of added users. At the end of the cycle, there must be no redundant ARU.

[0118] In this implementation, a deployment position that maximizes the coverage area is selected from the second position through an iterative process, and redundant positions are eliminated, thereby improving the energy efficiency of the network system after deployment.

[0119] In some embodiments, after deploying at least one airborne radio remote unit based on the deployment location, the method for deploying the airborne radio remote unit further includes: acquiring, through the first airborne base station and the radio remote unit, the amount of transmission information of the user terminal in the area to be deployed and the location information of the user terminal;

[0120] It is understandable that after the first aerial base station and the radio remote unit are deployed, the communication in the area to be covered is restored, and the user terminal can access the temporarily constructed aerial network system for communication.

[0121] In this case, the transmission information volume of the user terminal and the location information of the user terminal in the target area acquired by the first airborne base station and the radio remote unit may be collected.

[0122] Due to the transfer and activities of people, the traffic volume in some areas will surge, and it is difficult to meet the communication needs of the target area with existing technologies and equipment. Excessive population density will generate regional traffic hotspots caused by user aggregation.

[0123] These users gathered in hotspot areas are called hotspot clustered users. For a hotspot area, the closer to the center, the higher the degree of user clustering. Assuming that all users move in horizontal space, from the perspective of probability statistics, the location distribution of hotspot clustered users conforms to the law of large numbers and obeys the two-dimensional Gaussian distribution. When there are multiple hotspots at the same time, the distribution of hotspot clustered users obeys the Gaussian Mixture Model (GMM).

[0124] In some embodiments, based on the amount of transmission information and location information of user terminals, places where user terminals are densely distributed and have a large amount of transmission information can be determined as hotspot locations. In this case, at least one hotspot location can be determined in the target area.

[0125] After the hotspot locations are determined, a second aerial base station may be deployed in the air above each hotspot location.

[0126] In other words, based on the amount of information transmitted and the location information of the user terminal, at least one hotspot location can be determined in the area to be deployed, and a second aerial base station can be deployed in the air above each hotspot location.

[0127] In this case, by deploying a second aerial base station, local performance improvement and capacity expansion can be achieved at the hotspot location, thereby better providing stable and continuous network services to the target area.

[0128] In some embodiments, the first aerial base station and the radio remote unit both communicate with the user terminal via a conventional band, and the second aerial base station communicates with the user terminal via a millimeter wave band.

[0129] In other words, the second aerial base station is a millimeter wave base station. In this case, the millimeter wave base station can provide sufficient bandwidth, low latency and high-capacity communication support.

[0130] Millimeter waves have the advantage of large bandwidth, and bandwidth is the most important resource in communications. To achieve higher download rates, the simplest way is to increase the bandwidth. Millimeter waves have a large bandwidth ranging from 24GHz to 100GHz, which is 25 times more than the bandwidth used by 3G / 4G, and can easily achieve higher rates.

[0131] Millimeter waves have the advantage of low latency. Millimeter wave technology supports reducing the length of subframes, can transmit information in a very short time, and can quickly feedback whether the information has been received or not, which can reduce communication latency.

[0132] Millimeter waves also have the advantage of large capacity. If there are hundreds of people in a square, or thousands or even ten thousand people in a stadium, a large number of users are downloading data at the same time. Compared with when only a single user is downloading, the requirements for wireless communication bandwidth and download rate are different. Millimeter waves can well meet the wireless communication needs of a large number of users and provide greater capacity.

[0133] In this case, millimeter wave base stations can provide faster and more stable network services for hotspot locations, thereby better meeting the communication needs of special areas in emergency scenarios.

[0134] In some embodiments, the first aerial base station is deployed using an airship as a carrier, and the radio remote unit and the second aerial base station are both deployed using a fixed-wing aircraft as a carrier.

[0135] It should be noted that in order to realize the aerial deployment of base stations, drones can be used for deployment.

[0136] Drone types can be divided into rotorcraft, fixed-wing aircraft and airships. Rotorcraft have a payload capacity ranging from tens of grams to seven kilograms, cannot carry enough communication units, and have relatively low autonomy. They can only operate at low altitudes for a few minutes, making them unsuitable for post-disaster network repair scenarios.

[0137] Fixed-wing aircraft have sufficient payload capacity, allowing trajectory management and positioning. Compared with rotary-wing aircraft, they are generally more autonomous, can operate for up to an hour, can be used to carry network modules, and can be deployed quickly and cost-effectively.

[0138] Airships and balloons are classified as aerostatic platforms that use buoyancy to stay aloft. They are very flexible in terms of payload and autonomy, and can fly and stay in the air for long periods of time at altitudes ranging from 200 meters to 30 kilometers above the ground.

[0139] Therefore, considering the specific conditions of different communication facilities, the location of the first aerial base station will basically not change, so the first aerial base station can be deployed by airship. Considering the change of hotspot location and the flexibility of RF unit deployment, the second aerial base station and RF remote unit can be deployed by fixed-wing aircraft as a carrier.

[0140] In this embodiment, by selecting appropriate carriers for different types of network devices and deploying the network devices, it is possible to ensure that the network devices are deployed normally, thereby meeting the communication needs of the target area.

[0141] The following is a description of a deployment device of an airborne radio remote unit provided by the present invention. The deployment device of an airborne radio remote unit described below and the deployment method of an airborne radio remote unit described above can be referred to each other.

[0142] like Figure 5 As shown, the deployment device of the airborne radio remote unit provided by the embodiment of the present invention mainly includes a first processing module 510, a second processing module 520, a third processing module 530, a fourth processing module 540 and a fifth processing module 550.

[0143] The first processing module 510 is used to determine a first area in the to-be-deployed area that is not covered by each first aerial base station;

[0144] The second processing module 520 is used to determine a plurality of first positions in the first area;

[0145] The third processing module 530 is used to determine a plurality of second positions from a plurality of first positions based on the coverage radius of the airborne radio remote unit;

[0146] The fourth processing module 540 is used to determine at least one deployment position from a plurality of second positions based on the position of the first area, the coverage area of ​​the airborne radio remote unit, and the position of the user terminal in the area to be deployed;

[0147] The fifth processing module 550 is configured to deploy at least one airborne radio remote unit based on the deployment location.

[0148] According to the deployment device of the aerial radio remote unit provided by the embodiment of the present invention, by first determining the first position, a feasible position for deploying the aerial radio remote unit can be quickly determined, and then the first position is analyzed and screened to obtain the second position and the final deployment position, thereby shortening the deployment time, thereby being able to quickly achieve full communication coverage of the first area.

[0149] In some embodiments, the third processing module 530 is also used to determine each second grid from each first grid, and the area corresponding to the second grid overlaps with the first area; determine each third grid from each second grid, and the first position is located in the area corresponding to the third grid; determine each second position in the area corresponding to each third grid; wherein the first grid is obtained by dividing the area to be deployed according to the target size, and the target size is obtained based on the coverage radius of the aerial radio frequency remote unit.

[0150] In some embodiments, when there are at least two first positions in the area corresponding to the third grid, and there are first positions in all corresponding areas of the second grids adjacent to the third grid, the third processing module 530 is also used to determine the first position closest to the centroid of the third grid as the second position.

[0151] In some embodiments, when there are at least two first positions in the area corresponding to the third grid, and there is a second grid in the corresponding area of ​​the second grid adjacent to the third grid where no first positions exist, the third processing module 530 is further used to merge the area corresponding to the third grid and the area corresponding to the second grid adjacent to the third grid where no first positions exist into a second area; and determine the first position closest to the centroid of the second area as the second position.

[0152] In some embodiments, the fourth processing module 540 is also used to input multiple second positions and the positions of user terminals in the area to be deployed into the deployment position determination model to obtain at least one deployment position of the aerial radio frequency remote unit output by the deployment position determination model; the deployment position determination model is determined based on a greedy deployment algorithm, and the deployment position determination model is used to maximize the coverage area of ​​the aerial radio frequency remote unit. The constraint condition for iterative solution of the deployment position determination model is: remove redundant aerial radio frequency remote units each time the aerial radio frequency remote unit is deployed, and all coverage ranges of the redundant aerial radio frequency remote units have been covered.

[0153] In some embodiments, the fifth processing module 550 is also used to obtain the transmission information volume of user terminals and the location information of user terminals in the area to be deployed through the first aerial base station and the radio frequency remote unit; based on the transmission information volume and location information of the user terminals, determine at least one hotspot location in the area to be deployed; and deploy a second aerial base station in the air at each hotspot location.

[0154] In some embodiments, the second aerial base station communicates with the user terminal via a millimeter wave band.

[0155] Figure 6 An example of a physical structure diagram of an electronic device is shown in FIG. Figure 6 As shown, the electronic device may include: a processor 510, a communication interface 620, a memory 630 and a communication bus 640, wherein the processor 610, the communication interface 620 and the memory 630 communicate with each other through the communication bus 640. The processor 610 may call the logic instructions in the memory 630 to execute a method for deploying an airborne radio remote unit, the method comprising: determining a first area in the area to be deployed that is not covered by each first airborne base station; determining a plurality of first positions in the first area; determining a plurality of second positions from the plurality of first positions based on the coverage radius of the airborne radio remote unit; determining at least one deployment position from the plurality of second positions based on the position of the first area, the coverage area of ​​the airborne radio remote unit and the position of the user terminal in the area to be deployed; and deploying at least one airborne radio remote unit based on the deployment position.

[0156] In addition, the logic instructions in the above-mentioned memory 630 can be implemented in the form of a software functional unit and can be stored in a computer-readable storage medium when it is sold or used as an independent product. Based on such an understanding, the technical solution of the present invention, in essence, or the part that contributes to the prior art or the part of the technical solution, can be embodied in the form of a software product, and the computer software product is stored in a storage medium, including a number of instructions for a computer device (which can be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the methods of each embodiment of the present invention. The aforementioned storage medium includes: U disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), disk or optical disk, etc. Various media that can store program codes.

[0157] On the other hand, the present invention also provides a computer program product, which includes a computer program. The computer program can be stored on a non-transitory computer-readable storage medium. When the computer program is executed by a processor, the computer can execute the deployment method of the aerial radio frequency remote unit provided by the above methods, and the method includes: determining a first area in the area to be deployed that is not covered by each first aerial base station; determining multiple first positions in the first area; determining multiple second positions from the multiple first positions based on the coverage radius of the aerial radio frequency remote unit; determining at least one deployment position from the multiple second positions based on the position of the first area, the coverage area of ​​the aerial radio frequency remote unit and the position of the user terminal in the area to be deployed; and deploying at least one aerial radio frequency remote unit based on the deployment position.

[0158] On the other hand, the present invention also provides a non-transitory computer-readable storage medium having a computer program stored thereon, which, when executed by a processor, is implemented to execute the deployment method of the aerial radio frequency remote unit provided by the above-mentioned methods, the method comprising: determining a first area in the area to be deployed that is not covered by each first aerial base station; determining a plurality of first positions in the first area; determining a plurality of second positions from the plurality of first positions based on the coverage radius of the aerial radio frequency remote unit; determining at least one deployment position from the plurality of second positions based on the position of the first area, the coverage area of ​​the aerial radio frequency remote unit and the position of the user terminal in the area to be deployed; and deploying at least one aerial radio frequency remote unit based on the deployment position.

[0159] The device embodiments described above are merely illustrative, wherein the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the scheme of this embodiment. Ordinary technicians in this field can understand and implement it without paying creative labor.

[0160] Through the description of the above implementation methods, those skilled in the art can clearly understand that each implementation method can be implemented by means of software plus a necessary general hardware platform, and of course, can also be implemented by hardware. Based on this understanding, the above technical solution is essentially or the part that contributes to the prior art can be embodied in the form of a software product, and the computer software product can be stored in a computer-readable storage medium, such as ROM / RAM, a disk, an optical disk, etc., including a number of instructions for a computer device (which can be a personal computer, a server, or a network device, etc.) to execute the methods described in each embodiment or some parts of the embodiments.

[0161] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A method for deploying an airborne radio remote unit, characterized in that: include: Determine a first area in the to-be-deployed area that is not covered by each first aerial base station; determining a plurality of first locations in the first area; Determining a plurality of second positions from a plurality of the first positions based on a coverage radius of the airborne radio remote unit; Determine at least one deployment position from a plurality of second positions based on the position of the first area, the coverage area of ​​the airborne radio remote unit, and the position of the user terminal in the to-be-deployed area; deploying at least one of the airborne radio remote units based on the deployment location; The determining a plurality of second positions from a plurality of first positions based on the coverage radius of the airborne radio remote unit comprises: Determine each second grid from each first grid, wherein an area corresponding to the second grid overlaps with the first area; Determine each third grid from each second grid, wherein the first position is located in an area corresponding to the third grid; Determine each second position in the area corresponding to each third grid; The first grid is obtained by dividing the area to be deployed according to a target size, and the target size is obtained based on the coverage radius of the airborne radio remote unit; The determining at least one deployment position from a plurality of second positions based on the position of the first area, the coverage area of ​​the airborne radio remote unit, and the position of the user terminal in the to-be-deployed area comprises: Inputting the plurality of second positions and the positions of the user terminals in the to-be-deployed area into a deployment position determination model, and obtaining at least one deployment position of the airborne radio remote unit output by the deployment position determination model; The deployment location determination model is determined based on a greedy deployment algorithm, and the deployment location determination model is used to maximize the coverage area of ​​the aerial radio remote unit. The constraints iteratively solved by the deployment location determination model are: removing redundant aerial radio remote units each time the aerial radio remote unit is deployed, and all coverage areas of the redundant aerial radio remote units have been covered.

2. The method for deploying an airborne radio remote unit according to claim 1, characterized in that: When there are at least two first positions in the area corresponding to the third grid, and there are first positions in all the areas corresponding to the second grids adjacent to the third grid, determining each second position in the areas corresponding to each third grid includes: A first position that is closest to the third grid mass centroid is determined as the second position.

3. The method for deploying an airborne radio remote unit according to claim 1, characterized in that: In a case where there are at least two first positions in the area corresponding to the third grid, and there is a second grid in the second grid adjacent to the third grid where there is no first position in the corresponding area, determining each second position in the area corresponding to each third grid includes: Merge the area corresponding to the third grid and the area corresponding to the second grid adjacent to the third grid but not existing in the first position into a second area; The first position that is closest to the centroid of the second area is determined as the second position.

4. The method for deploying an airborne radio remote unit according to claim 1, characterized in that: After deploying at least one of the airborne radio remote units based on the deployment location, the method further includes: Acquire, through the first aerial base station and the radio remote unit, the amount of transmission information of the user terminal in the area to be deployed and the location information of the user terminal; Determine at least one hotspot location in the to-be-deployed area based on the amount of transmission information and location information of the user terminal; A second aerial base station is deployed in the air above each of the hotspot locations.

5. The method for deploying an airborne radio remote unit according to claim 4, characterized in that: The second aerial base station communicates with the user terminal via a millimeter wave band.

6. A deployment device for an aerial radio remote unit, characterized in that: include: A first processing module is used to determine a first area in the to-be-deployed area that is not covered by each first aerial base station; a second processing module, configured to determine a plurality of first positions in the first area; A third processing module, configured to determine a plurality of second positions from a plurality of the first positions based on a coverage radius of the airborne radio remote unit; a fourth processing module, configured to determine at least one deployment position from a plurality of second positions based on the position of the first area, the coverage area of ​​the airborne radio remote unit, and the position of the user terminal in the area to be deployed; A fifth processing module, configured to deploy at least one of the airborne radio remote units based on the deployment location; The third processing module comprises: Determine each second grid from each first grid, wherein an area corresponding to the second grid overlaps with the first area; Determine each third grid from each second grid, wherein the first position is located in an area corresponding to the third grid; Determine each second position in the area corresponding to each third grid; The first grid is obtained by dividing the area to be deployed according to a target size, and the target size is obtained based on the coverage radius of the airborne radio remote unit; The fourth processing module comprises: Inputting the plurality of second positions and the positions of the user terminals in the to-be-deployed area into a deployment position determination model, and obtaining at least one deployment position of the airborne radio remote unit output by the deployment position determination model; The deployment location determination model is determined based on a greedy deployment algorithm, and the deployment location determination model is used to maximize the coverage area of ​​the aerial radio remote unit. The constraints iteratively solved by the deployment location determination model are: removing redundant aerial radio remote units each time the aerial radio remote unit is deployed, and all coverage areas of the redundant aerial radio remote units have been covered.

7. An electronic device comprising a memory, a processor, and a computer program stored in the memory and executable on the processor, characterized in that: When the processor executes the program, the method for deploying the airborne radio remote unit according to any one of claims 1 to 5 is implemented.

8. A non-transitory computer-readable storage medium having a computer program stored thereon, characterized in that: When the computer program is executed by a processor, the method for deploying an airborne radio remote unit according to any one of claims 1 to 5 is implemented.

Images