Forest fire emergency

Fire and disaster relief command and communication ad hoc network solution

overview

Forest fires are the most dangerous enemy of forests and the most terrible disasters of forestry, and they can bring the most harmful and devastating consequences to forests.

Background description

At about 15:35 on March 30, 2020, a forest fire broke out on the ridge of Pijiashan at the junction of Jingjiu Township and Anha Town, Xichang City, Liangshan Prefecture. This forest fire caused a total area of 3,047.7805 hectares of various types of land, 791.6 hectares of damaged forest area, and a direct economic loss of 97,311,200 yuan.   

Analysis of the current situation

Wanlan ANYMESH ad hoc network radio can be deployed on the site of the forest area, build a communication network, and provide real-time information for the surrounding environment of the forest area, so that the command can quickly understand and grasp the real-time status of the forest area。 At the same time, in the event of a forest fire, the fire situation can be quickly discovered, disaster relief resources can be reasonably deployed, disaster relief plans can be formulated, the joint work of all disaster relief units can be commanded in a unified manner, and effective measures can be taken to quickly carry out disaster relief operations to minimize disaster losses.

Scenario introduction

The national forest fire prevention command organization needs to quickly rush to the scene to set up a rescue communication link in the event of a forest fire accident, and the rescuers need to realize voice and video communication between personnel through the link, and the command center and the on-site command vehicle can also command the rescue work in real time through the wireless link. Solve the problem of emergency rescue command and communication in various extreme situations.

ANYMESH Ad Hoc Network Stations have good radio communication capabilities and are able to pass through ANYMESH without relying on public networks Free networking between ad hoc network radio stations to quickly form a centerless network. This system is composed of ANYMESH handheld radio, ANYMESH knapsack radio, ANYMESH vehicle-mounted radio, ANYMESH airborne radio and ANYMESH ad hoc network base station equipment and integrated emergency command information platform, which can build a broadband self-organizing communication network with wide area coverage, flexible and mobile, and supports multi-service types. The location, status and other information of all connected nodes are summarized in real time to the back-end network management system for unified scheduling, management, and control.

solution

ANYMESH ad hoc network radio limit coverage point-to-point maximum communication distance of 160 kilometers, system bandwidth up to 100M, to achieve voice, video, image, message, positioning and other information real-time processing capabilities, and with the existing digital ultra-short wave, satellite communications to achieve horizontal integration and connectivity.

The scheme design is as follows:

As shown in the figure above, the design of the entire consumer rescue command and communication scheme is divided into five parts.

The portable node part of the ad hoc network: the intelligent terminal of the front-end ground detector personnel is connected to the ANYMESH ad hoc network individual soldier carrying node device through WiFi, and the individual soldier nodes of the ad hoc network can communicate with each other through mesh.

Outdoor base station node part of the ad hoc network: It can be used in the outdoor long-term unattended environment, and can be used as a backup communication link for operators to solve the problems of base stations becoming isolated islands when the operator's network is affected by natural disasters. All-IP design, support multi-network convergence/heterogeneous networking, military-grade design, and effectively resist various severe environments.

Emergency communication command vehicle node part: an ANYMESH ad hoc network vehicle node device is installed on the emergency communication command vehicle 20 kilometers away from the front-end detection personnel at a distance, and the ad hoc network vehicle node device builds a wireless communication network through a wireless MESH link and the ad hoc network airborne node equipment on the UAV.

The main command center part: the emergency communication vehicle can build a communication link with the command center through 4G/5G and nearby communication base stations or through satellite signals.

Equipment introduction

Ad hoc network handheld

The single-person hand-held frequency-hopping ad hoc network radio has a transmission frequency range of 70M to 6G can be customized, adopts the radio technology of Wanlan Communication's new generation of multi-hop ad hoc network protocol, has the ability of frequency hopping and anti-interference, and is used in the military field to fight against complex channel environments, and realizes the centerless co-frequency ad hoc network broadband service transmission between maneuvering points and fixed points such as single-person, vehicle, and UAV in complex scenarios.

The built-in lithium battery has a maximum transmission power of 2* 0.5W, which can meet the user's ability to quickly establish a private network in emergency scenarios and provide a stable transmission channel for the user's voice, message, video and other IP data services.

The product has the characteristics of software defined radio, which is very suitable for the field of firefighting, and is also suitable for moving vehicles, boats, equipment, and uninterrupted communication between vehicles and people. In addition, the product can also meet the needs of private network wireless communication in closed scenarios such as mines, tunnels and basements. It can realize point-to-point or point-to-multi-point two-way wireless video, voice and data transmission, and is widely used in smart cities, single-person, public security and armed police, fire rescue, emergency fleet communication, civil air defense border defense, marine unmanned ships, special robots and other fields.

ANYMESH-SDR-A1 is a single-person handheld platform ad hoc network device with exquisite appearance and light weight, only 980g, which is easy to carry by hand or hung on the waist, shoulders and back. It can provide an efficient digital converged communication network for public security law enforcement, fire rescue, and other emergency tasks. The start-up status of the product can be controlled in seconds, and it has the characteristics of automatic chain building and automatic search. It provides multimedia interactive services such as voice group call, video backhaul, GIS positioning, and personnel perception for emergency command. At the same time, the communication range of individual handheld stations can be expanded through the UAV link, and a two-way communication link between the emergency scene and the on-site command center can be established.

Ad hoc network vehicle piggyback station

The vehicle-mounted ad hoc network radio, with a transmission frequency range of 320M to 1.5G, can be customized, adopts the radio technology of Wanlan Communication's new generation of multi-hop ad hoc network protocol, has the ability to resist complex channel environments, and realizes the centerless same-frequency ad hoc network broadband service transmission between individual soldiers, vehicles, UAVs and other maneuvering points and fixed points in complex scenarios.

    The device itself has a built-in large-capacity lithium battery, compact design, and a single-channel 2*5W and dual-channel 10W transmission power, which can meet the user's ability to quickly establish a private network in emergency scenarios and provide a stable transmission channel for the user's voice, message, video and other IP data services.

    The product has the characteristics of software defined radio, which is very suitable for military and firefighting fields, and is also suitable for moving vehicles and ship equipment, so as to realize uninterrupted communication between vehicles and vehicles. In addition, the product can also meet the needs of private network wireless communication in closed scenarios such as mines, tunnels and basements. It can realize point-to-point or point-to-multi-point two-way wireless video, voice and data transmission, and is widely used in smart cities, individual soldiers, public security and armed police, fire rescue, emergency fleet communications, civil air defense border defense, unmanned ships at sea, special robots and other fields.

Ad hoc network airborne station

In order to meet the application requirements of UAV swarm communication networking with limited load weight, Beijing Wanlantuo Communication Technology Co., Ltd. has developed the ANYMESH-SDR-A3 MIMO thin airborne mesh ad hoc network radio using OFDM technology and mobile ad hoc network technology, which can build a wireless IP mesh network temporarily, dynamically and quickly without relying on any basic communication facilities, with self-organization, self-recovery, high anti-indestructibility, and support multi-hop transmission of multimedia services such as data and video.

Ad Hoc Network Fixed Station (Outdoor Base Station)

The ANYMESH-SDR-A4 outdoor fixed base station ad hoc network equipment has the characteristics of anti-corrosion, rain-proof, and high-temperature resistance, and can be mounted on fixed objects such as base station towers. Through a certain height, the communication coverage between ad hoc networks can be effectively expanded, and the problems of long-distance signal transmission can be solved. At the same time, it has stronger transmission power, and can maintain high-speed and reliable two-way signal transmission between vehicles and individual soldiers. The product can be used in outdoor long-term unattended environment, and can be used as a backup communication link for operators to solve the problems of base station disconnection and islanding when the operator's network is affected by natural disasters. All-IP design, support multi-network convergence/heterogeneous networking, military-grade design, and effectively resist various severe environments.

Ad Hoc Network Vehicle Station (1U Rack Type)

ANYMESH-SDR-A5 MOBILE VEHICLE-MOUNTED AD HOC NETWORK EQUIPMENT HAS A 1U PRODUCT STRUCTURE, WHICH CAN MEET THE NEEDS OF USERS IN THE PROCESS OF VEHICLE DRIVING. Even at high speeds, the vehicle maintains reliable and efficient bidirectional data transmission between the nodes and the nodes. The product integrates Beidou positioning, PTT voice, 4G/5G and other modules, which can meet the various communication needs of users. The transmission distance of the product can reach more than 50KM in an unobstructed environment. The product has AES128/256 encryption technology. It is suitable for application scenarios such as mobile coverage, relay relay multi-hop transmission, and long-distance coverage

Three-screen portable emergency command box

MESH Ad Hoc Network Portable Emergency Command Box Ad Hoc Network Three-screen Dispatching Console In aerospace, coal mine, energy and military industry, public security, government and enterprise, emergency rescue, field operation and command and dispatch and other industries, computers are required to collect and process data on site, and sometimes face huge computing and high-definition split-screen display viewing and processing, as well as the uncertainty of the work location, and also require strong outdoor endurance. Ordinary laptops don't have dustproof, drop-proof, and high-intensity handling.

Summary of the program

The image, video, and voice data captured by the intelligent terminal equipment can be transmitted to the ad hoc network individual soldier equipment through WiFi, and then the video is transmitted back to the front-line command center through the communication network built by the ad hoc network individual soldier equipment and the ad hoc network carrying node equipment. After that, the image is transmitted back to the emergency communication vehicle (ad hoc network vehicle node) through the ad hoc network carrying equipment, and the personnel in the vehicle can watch the video through the video client software and command the front-end operators, and the emergency communication vehicle can also transmit data to the nearby tower through 4G/5G, and the video is transmitted to the back-end general command center through the operator network in the tower. When there is no 4G/5G signal in the vicinity of the vehicle, the data can also be transmitted back via satellite.

Contact us

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