CN113726417B - Emergency communication system and communication method based on unmanned aerial vehicle bee colony dynamic deployment - Google Patents
Emergency communication system and communication method based on unmanned aerial vehicle bee colony dynamic deployment Download PDFInfo
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Abstract
The invention provides an emergency communication system and a communication method based on unmanned aerial vehicle bee colony dynamic deployment, and relates to the technical field of unmanned aerial vehicle base station communication systems and communication methods. A communication method of an emergency communication system based on unmanned aerial vehicle bee colony dynamic deployment comprises the following steps: step 1: deploying the unmanned aerial vehicle to a designated position through an unmanned aerial vehicle ground station, networking by utilizing airborne small base stations respectively carried by the unmanned aerial vehicle to form an unmanned aerial vehicle bee colony, and establishing temporary large-area mobile communication network coverage; step 2: the unmanned aerial vehicle bee colony accesses signals into an Internet small base station gateway through the airborne small base station, and is connected with an operator core network to provide communication service for users.
Description
Technical Field
The invention relates to the technical field of communication systems and communication methods, in particular to the technical field of unmanned aerial vehicle base station communication systems and communication methods.
Background
With significant advances in drone technology, such as better power management technology, increased payload capacity, longer average flight time, etc., drones may be used for a variety of purposes, such as photography, surveillance, transportation, communications, etc., in which the drone may serve as a temporary base station to shunt hot spot areas (e.g., large events, concerts, sporting events) where there is a significant data traffic demand, or to provide temporary coverage for dead zones of ground coverage caused by accidents, disasters, etc., for these blind-and heat-supplement scenarios, the temporary deployment of the drone base station is more efficient and cost effective than the temporary installation of a conventional base station.
However, the conventional unmanned aerial vehicle base station technical scheme in China at present has the following defects:
1. at present, domestic unmanned aerial vehicle basic station all adopts the platform of many rotor unmanned aerial vehicle of tethered, and unmanned aerial vehicle needs to carry the electric energy through the high-power supply of ground cable, passes through ground optical cable transmission communication data, and fly height and flight distance all receive very big restriction, and it is higher to the supporting facility requirement in ground, can't carry out emergent guarantee to the scene that complicated topography, tethered optical cable distance can't reach.
2. At present, an integrated micro base station is basically adopted by an airborne base station of the domestic unmanned aerial vehicle, and consists of 4 parts of modules, namely: the power supply function module, the WiFi function module, the RF function module and the 5G function module are managed in a centralized and modularized mode, the weight is about 40KG, the requirements on unmanned aerial vehicle loading are high, and the unmanned aerial vehicle is required to be connected with an RNC (radio network controller ) through an optical cable during deployment. That is, to open the onboard integrated micro base station, an optical cable must be laid to the latest mobile base station that is normally on-premise, and data is configured, so that the opening is difficult under the condition of a normal disaster.
3. At present, domestic unmanned aerial vehicle base stations are in a single-machine mode, the coverage area is small, and a precedent for realizing scale coverage through unmanned aerial vehicle groups is not available.
Disclosure of Invention
The invention provides an emergency communication system and a communication method based on unmanned aerial vehicle bee colony dynamic deployment, which solve the problems that in the prior art, an unmanned aerial vehicle needs to transmit electric energy through a ground cable, an unmanned aerial vehicle-mounted base station basically adopts an integrated micro base station, the requirement on the unmanned aerial vehicle-mounted base station is high, and the coverage area of a single-machine-mode unmanned aerial vehicle base station is small.
The technical scheme of the invention is realized as follows:
the utility model provides an emergency communication system based on unmanned aerial vehicle bee colony developments deployment, includes unmanned aerial vehicle bee colony and unmanned aerial vehicle ground station, unmanned aerial vehicle bee colony is formed by unmanned aerial vehicle base station network deployment, unmanned aerial vehicle base station includes unmanned aerial vehicle and airborne little base station respectively, unmanned aerial vehicle includes unmanned aerial vehicle organism, perception unit, power unit, electric quantity detecting element, positioning unit, power unit, flight control unit and microcomputer unit, perception unit, power unit, electric quantity detecting element, positioning unit, power unit, flight control unit, microcomputer unit and airborne little base station fixed mounting are on unmanned aerial vehicle organism, flight control unit, airborne little base station and perception unit are connected with microcomputer unit electricity respectively, power unit, positioning unit and power unit are connected with flight control unit electricity respectively, electric quantity detecting element is connected with power unit electricity, unmanned aerial vehicle ground station includes data communication system and ground monitoring system, data communication system is connected with ground monitoring system electricity, little base station and data communication system communication connection, data communication system and internet little base station gateway communication connection.
Further, the unmanned aerial vehicle base station still includes wireless communication unit, wireless communication unit fixed mounting is on the unmanned aerial vehicle organism to be connected with airborne little basic station and microcomputer unit electricity, airborne little basic station passes through wireless communication unit and unmanned aerial vehicle ground station's data communication system communication connection.
Further, the unmanned aerial vehicle base station also comprises a satellite link modem, wherein the satellite link modem is fixedly arranged on the unmanned aerial vehicle body and is electrically connected with the airborne small base station, and the satellite link modem is in communication connection with a data communication system of the unmanned aerial vehicle ground station through a satellite link.
Further, the onboard small base station is a home small base station.
A communication method of an emergency communication system based on unmanned aerial vehicle bee colony dynamic deployment comprises the following steps:
step 1: deploying the unmanned aerial vehicle to a designated position through an unmanned aerial vehicle ground station, networking by utilizing airborne small base stations respectively carried by the unmanned aerial vehicle to form an unmanned aerial vehicle bee colony, and establishing temporary large-area mobile communication network coverage;
step 2: the unmanned aerial vehicle bee colony accesses signals into an Internet small base station gateway through the airborne small base station, and is connected with an operator core network to provide communication service for users.
Further, in the step 1, the unmanned aerial vehicle base station is monitored through the unmanned aerial vehicle ground station, and when the unmanned aerial vehicle base station can not normally provide service, namely, a mobile communication network cavity appears, the unmanned aerial vehicle ground station commands the unmanned aerial vehicle bee colony to carry out blind supplement.
Further, in the step 1, the method for deploying the unmanned aerial vehicle to the designated position and blinding the unmanned aerial vehicle bee colony comprises the following steps:
step A: according to the total range which needs to be covered by the unmanned aerial vehicle bee colony and the signal coverage range of the onboard small base station carried on each unmanned aerial vehicle, determining the number of unmanned aerial vehicles of the unmanned aerial vehicle bee colony, and determining the longitude and latitude position of each unmanned aerial vehicle;
and (B) step (B): c, an electronic map is manufactured, the unmanned aerial vehicle is positioned on the electronic map through a positioning unit, and the unmanned aerial vehicle is controlled to be deployed to the longitude and latitude positions determined in the step A through a ground monitoring system of a ground station of the unmanned aerial vehicle;
step C: tracking the real-time position and the dynamic track of each unmanned aerial vehicle through a ground monitoring system of the unmanned aerial vehicle ground station, and simultaneously monitoring the electric quantity of an unmanned aerial vehicle power supply unit in real time through an electric quantity detection unit to judge whether the unmanned aerial vehicle is not at a specified position or not and whether the electric quantity of the unmanned aerial vehicle power supply unit is sufficient or not;
step D: if the unmanned aerial vehicle is not at the specified position, judging whether the unmanned aerial vehicle falls or deviates from the specified position, if the unmanned aerial vehicle falls, dispatching a new unmanned aerial vehicle to replace the falling unmanned aerial vehicle by a ground monitoring system of the unmanned aerial vehicle ground station, and if the unmanned aerial vehicle deviates from the specified position, adjusting the homing of the unmanned aerial vehicle by the ground monitoring system of the unmanned aerial vehicle ground station; if the electric quantity of the unmanned aerial vehicle is insufficient, unmanned aerial vehicle supplementing positions with insufficient electric quantity are replaced by unmanned aerial vehicles with sufficient electric quantity, which are scheduled by a ground monitoring system of a ground station of the unmanned aerial vehicle.
Further, in the step a, the longitude and latitude position of each unmanned aerial vehicle is determined according to a mobile communication cellular network optimization algorithm.
Further, the unmanned aerial vehicles are arranged in an array or in a honeycomb shape, and the distance between adjacent unmanned aerial vehicles is the radius of the signal coverage range of the airborne small base station.
The beneficial effects achieved by adopting the technical proposal of the invention are as follows:
1. the unmanned aerial vehicle is used for carrying the onboard small base station for emergency communication coverage, the onboard small base station adopts the family small base station, the weight of the unmanned aerial vehicle is only about 250 g, and the remote deployment requirement of the non-tethered unmanned aerial vehicle can be met. The small airborne base station can be accessed to the small Internet base station gateway by adopting a satellite link or unmanned data transmission mode, so that signals are accessed to the small Internet base station gateway and are connected with an operator core network to provide communication services for users.
2. The airborne small base station adopts the home small base station, the power is smaller, and the coverage area is smaller than that of the micro base station, but the unmanned aerial vehicle bee colony network is used in the scheme, so that the short plate can be made up, and the emergency coverage problem of a long distance and a large area can be solved by infinite groups.
3. The method comprises the steps of establishing temporary large-area mobile communication network coverage by using unmanned aerial vehicle bee colony, determining the position of each airborne small base station (unmanned aerial vehicle) in the air by an unmanned aerial vehicle ground station according to a mobile communication cellular network optimization algorithm, sending a position instruction to the unmanned aerial vehicle for deployment, and monitoring the working condition of each unmanned aerial vehicle base station in real time. When the unmanned aerial vehicle base station can not normally provide service, namely, a mobile communication network cavity appears, the unmanned aerial vehicle ground station automatically commands unmanned aerial vehicle bee colony adjustment to carry out blind supplement according to an algorithm, and normal coverage is ensured not to be affected.
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In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a system block diagram of the present invention;
FIG. 2 is a flow chart of a method of deploying a drone to a designated location and blinding a drone swarm;
fig. 3 is a schematic diagram of an array arrangement of unmanned aerial vehicles;
FIG. 4 is a top view of FIG. 3;
fig. 5 is a schematic view of a cellular arrangement of the drone.
Detailed Description
The technical solutions of the present invention will be clearly and completely described in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, an emergency communication system based on unmanned aerial vehicle bee colony dynamic deployment, including unmanned aerial vehicle bee colony and unmanned aerial vehicle ground station, unmanned aerial vehicle bee colony is formed by unmanned aerial vehicle base station group network, unmanned aerial vehicle base station includes unmanned aerial vehicle and little basic station of machine-carried respectively, unmanned aerial vehicle includes unmanned aerial vehicle organism, perception unit, electrical source unit, electric quantity detecting element, positioning unit, power unit, flight control unit and microcomputer unit, perception unit, electrical source unit, electrical quantity detecting element, positioning unit, power unit, flight control unit, microcomputer unit and the little basic station of machine-carried fixed mounting of machine-carried are on unmanned aerial vehicle organism, the little basic station of machine-carried adopts the home-use little basic station, flight control unit, little basic station of machine-carried and perception unit are connected with microcomputer unit electricity respectively, electrical source unit, positioning unit and power unit are connected with flight control unit electricity respectively, unmanned aerial vehicle ground station includes data communication system and ground monitoring system, data communication system and ground monitoring system electricity are connected, and the little basic station of machine-carried is connected with data communication system communication, and data communication system is connected with internet gateway.
The system comprises an unmanned aerial vehicle ground station, an airborne small base station, an unmanned aerial vehicle base station and a satellite link modem, wherein the airborne small base station can access signals to an Internet small base station gateway in a satellite link or wireless data transmission mode, and when the unmanned aerial vehicle base station is in communication connection in the satellite link mode, the unmanned aerial vehicle base station also comprises the satellite link modem which is fixedly arranged on an unmanned aerial vehicle body and is electrically connected with the airborne small base station, and the satellite link modem is in communication connection with a data communication system of the unmanned aerial vehicle ground station through a satellite link; when adopting wireless data transmission's mode to carry out communication connection, unmanned aerial vehicle basic station still includes wireless communication unit, wireless communication unit fixed mounting is on the unmanned aerial vehicle organism to be connected with on-vehicle little basic station and microcomputer unit electricity, on-vehicle little basic station passes through wireless communication unit and unmanned aerial vehicle ground station's data communication system communication connection.
Referring to fig. 2, a communication method of an emergency communication system based on unmanned aerial vehicle bee colony dynamic deployment includes the following steps:
step 1: deploying the unmanned aerial vehicle to a designated position through an unmanned aerial vehicle ground station, networking by using airborne small base stations respectively carried by the unmanned aerial vehicle, forming an unmanned aerial vehicle bee colony, establishing temporary large-area mobile communication network coverage, monitoring the unmanned aerial vehicle base station through the unmanned aerial vehicle ground station, and commanding the unmanned aerial vehicle bee colony to carry out blind supplement when the unmanned aerial vehicle base station cannot normally provide service, namely a mobile communication network cavity appears;
step 2: the unmanned aerial vehicle bee colony accesses signals into an Internet small base station gateway through the airborne small base station, and is connected with an operator core network to provide communication service for users.
In the step 1, the method for deploying the unmanned aerial vehicle to the designated position and performing blind-supplementing on the unmanned aerial vehicle bee colony through the unmanned aerial vehicle ground station comprises the following steps:
step A: according to the total range which needs to be covered by the unmanned aerial vehicle bee colony and the signal coverage range of the onboard small base station carried on each unmanned aerial vehicle, the number of unmanned aerial vehicles of the unmanned aerial vehicle bee colony is determined, and the longitude and latitude position of each unmanned aerial vehicle is determined according to a mobile communication cellular network optimization algorithm, wherein the specific method steps of the mobile communication cellular network optimization algorithm are conventional means in the art and can be implemented by one of ordinary skill in the art, and detailed description is not needed; the longitude and latitude position arrangement of the unmanned aerial vehicle can adopt array arrangement as shown in fig. 3 and 4, honeycomb arrangement as shown in fig. 5 can also be adopted, the distance between adjacent unmanned aerial vehicles is the radius of the signal coverage of the airborne small base station, for example, in fig. 3, the central axis of a first unmanned aerial vehicle is A, the central axis of a second unmanned aerial vehicle adjacent to the first unmanned aerial vehicle is B, the distance between B and A is the radius R of the signal coverage of the airborne small base station, the distance between a third unmanned aerial vehicle and the central axis of the second unmanned aerial vehicle is R, and the like;
and (B) step (B): c, an electronic map is manufactured, the unmanned aerial vehicle is positioned on the electronic map through a positioning unit, and the unmanned aerial vehicle is controlled to be deployed to the longitude and latitude positions determined in the step A through a ground monitoring system of a ground station of the unmanned aerial vehicle;
step C: tracking the real-time position and the dynamic track of each unmanned aerial vehicle through a ground monitoring system of the unmanned aerial vehicle ground station, and simultaneously monitoring the electric quantity of an unmanned aerial vehicle power supply unit in real time through an electric quantity detection unit to judge whether the unmanned aerial vehicle is not at a specified position or not and whether the electric quantity of the unmanned aerial vehicle power supply unit is sufficient or not;
step D: if the unmanned aerial vehicle is not at the specified position, judging whether the unmanned aerial vehicle falls or deviates from the specified position, if the unmanned aerial vehicle falls, dispatching a new unmanned aerial vehicle to replace the falling unmanned aerial vehicle by a ground monitoring system of a ground station of the unmanned aerial vehicle, and if the unmanned aerial vehicle deviates from the specified position, adjusting the homing of the unmanned aerial vehicle by the ground monitoring system; if the electric quantity of the unmanned aerial vehicle is insufficient, the unmanned aerial vehicle with sufficient electric quantity is scheduled through the ground monitoring system to take over the unmanned aerial vehicle with insufficient electric quantity for the position compensation.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (9)
1. The utility model provides an emergency communication system based on unmanned aerial vehicle bee colony developments deployment, its characterized in that, including unmanned aerial vehicle bee colony and unmanned aerial vehicle ground station, unmanned aerial vehicle bee colony is formed by unmanned aerial vehicle base station network deployment, unmanned aerial vehicle base station includes unmanned aerial vehicle and little basic station of machine-carried respectively, unmanned aerial vehicle includes unmanned aerial vehicle organism, perception unit, electrical power unit, electric quantity detecting element, positioning unit, power unit, flight control unit and microcomputer unit, perception unit, electrical power unit, electrical quantity detecting element, positioning unit, power unit, flight control unit, microcomputer unit and the little basic station of machine-carried fixed mounting of machine-carried are on unmanned aerial vehicle organism, flight control unit, little basic station of machine-carried and perception unit are connected with microcomputer unit electricity respectively, electrical power unit, positioning unit and power unit are connected with flight control unit electricity respectively, the unmanned aerial vehicle ground station includes data communication system and ground monitoring system, data communication system is connected with ground monitoring system electricity, and the little basic station of machine-carried is connected with data communication system, data communication system and little basic station gateway communication connection.
2. The emergency communication system based on unmanned aerial vehicle bee colony dynamic deployment according to claim 1, wherein the unmanned aerial vehicle base station further comprises a wireless communication unit, wherein the wireless communication unit is fixedly arranged on an unmanned aerial vehicle body and is electrically connected with an onboard small base station and a microcomputer unit, and the onboard small base station is in communication connection with a data communication system of an unmanned aerial vehicle ground station through the wireless communication unit.
3. The unmanned aerial vehicle swarm dynamic deployment-based emergency communication system according to claim 1, wherein the unmanned aerial vehicle base station further comprises a satellite link modem fixedly installed on the unmanned aerial vehicle body and electrically connected with the onboard small base station, and the satellite link modem is in communication connection with the data communication system of the unmanned aerial vehicle ground station through a satellite link.
4. An emergency communication system based on dynamic deployment of drone swarms according to claim 1, wherein said on-board small base station is a home small base station.
5. A communication method based on an emergency communication system dynamically deployed by a drone swarm according to claim 1, comprising the steps of:
step 1: deploying the unmanned aerial vehicle to a designated position through an unmanned aerial vehicle ground station, networking by utilizing airborne small base stations respectively carried by the unmanned aerial vehicle to form an unmanned aerial vehicle bee colony, and establishing temporary large-area mobile communication network coverage;
step 2: the unmanned aerial vehicle bee colony accesses signals into an Internet small base station gateway through the airborne small base station, and is connected with an operator core network to provide communication service for users.
6. The communication method of the emergency communication system based on the dynamic deployment of the unmanned aerial vehicle bee colony according to claim 5, wherein in the step 1, the unmanned aerial vehicle base station is monitored through the unmanned aerial vehicle ground station, and when the unmanned aerial vehicle base station cannot normally provide service, namely a mobile communication network cavity appears, the unmanned aerial vehicle ground station commands the unmanned aerial vehicle bee colony to carry out blind supplement.
7. The communication method of an emergency communication system based on dynamic deployment of a drone swarm according to claim 6, wherein in said step 1, the method of deploying the drone to a designated location and blinding the drone swarm comprises the steps of:
step A: according to the total range which needs to be covered by the unmanned aerial vehicle bee colony and the signal coverage range of the onboard small base station carried on each unmanned aerial vehicle, determining the number of unmanned aerial vehicles of the unmanned aerial vehicle bee colony, and determining the longitude and latitude position of each unmanned aerial vehicle;
and (B) step (B): c, an electronic map is manufactured, the unmanned aerial vehicle is positioned on the electronic map through a positioning unit, and the unmanned aerial vehicle is controlled to be deployed to the longitude and latitude positions determined in the step A through a ground monitoring system of a ground station of the unmanned aerial vehicle;
step C: tracking the real-time position and the dynamic track of each unmanned aerial vehicle through a ground monitoring system of the unmanned aerial vehicle ground station, and simultaneously monitoring the electric quantity of an unmanned aerial vehicle power supply unit in real time through an electric quantity detection unit to judge whether the unmanned aerial vehicle is not at a specified position or not and whether the electric quantity of the unmanned aerial vehicle power supply unit is sufficient or not;
step D: if the unmanned aerial vehicle is not at the specified position, judging whether the unmanned aerial vehicle falls or deviates from the specified position, if the unmanned aerial vehicle falls, dispatching a new unmanned aerial vehicle to replace the falling unmanned aerial vehicle by a ground monitoring system of the unmanned aerial vehicle ground station, and if the unmanned aerial vehicle deviates from the specified position, adjusting the homing of the unmanned aerial vehicle by the ground monitoring system of the unmanned aerial vehicle ground station; if the electric quantity of the unmanned aerial vehicle is insufficient, unmanned aerial vehicle supplementing positions with insufficient electric quantity are replaced by unmanned aerial vehicles with sufficient electric quantity, which are scheduled by a ground monitoring system of a ground station of the unmanned aerial vehicle.
8. The communication method of claim 7, wherein in the step a, the longitude and latitude position of each unmanned aerial vehicle is determined according to a mobile communication cellular network optimization algorithm.
9. The communication method of the emergency communication system based on unmanned aerial vehicle swarm dynamic deployment according to claim 6, wherein the unmanned aerial vehicles are arranged in an array or in a honeycomb shape, and the distance between adjacent unmanned aerial vehicles is the radius of the signal coverage of the airborne small base station.
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