Ultra-long-distance wifi module wire monitoring wireless communication solution, the application scenario is located in the positioning of power monitoring wires in a certain city in Tibet, in order to solve the labor cost, use as few people as possible to manage the project.
Project requirements:
1.10 base towers are equipped with radio MESH ad hoc networking equipment, and the rest of the automatic networking can be turned off arbitrarily.
2. Resolution 1080P4M stream monitoring 20 times.
3. Real-time monitoring 24 hours a day, 24 hours monitoring and transmission of video data.
Install satellite equipment at 4.5 kilometers and install satellite base stations on the tower. Then use the ultra-long-distance wifi module MESH to self-organize the network to ensure that the data is transmitted from the tower to the 5-kilometer satellite station, and then monitor it through the video recorder of the provincial company's business system.
5. The device is equipped with WiFi, covering manual Internet access and ultra-long-distance WiFi module mesh wireless calling machine.
Solve the problem:
1. Save a lot of manual inspections, and the wiring guide rails fall off and move sideways.
2. The machine status can be controlled remotely in the monitoring room.
3. No man's land solves the problem that the mobile phone cannot use the network.
On the side of the main station of the power satellite Internet of things satellite, the terminal identification and unified control device of the power satellite Internet of things is deployed to realize all monitoring equipment. Operate and maintain the terminal. Self-organizing network device. The satellite access terminal performs network identification, completes equipment identification, and realizes real-time encryption of production data and control instructions. Security hardening configuration parameters. Tamper-proof.
At the same time, considering the safety and controllability of the operation and maintenance of power equipment in the unmanned area, the operation and maintenance security client is used to embed the operation and maintenance terminal, and the power grid personnel who access the ultra-long-distance wifi module unmanned area ad hoc network for operation and maintenance Carry out authorization and authentication, and at the same time authorize and authenticate the maintenance personnel of the equipment manufacturers to achieve unified control. Only legally authorized personnel can log in to the ultra-long-distance wifi module unmanned area ad hoc network to conduct operation and maintenance management of equipment to ensure power in unmanned areas. Security and independence of facility operation and maintenance.
Introduction of optional equipment:
The long-range high-power outdoor wireless network base station can be fixedly installed on a pole, wall, or bracket, and is mainly deployed at outdoor fixed points. Ship moving point, waterproof and dustproof, easy to install, simple to operate, no need for supporting equipment room facilities and transmission network support. The device has high transmission power, covers a long distance for communication, and collects and transmits data. Dynamic routing. Relay and forwarding, and other forms of node equipment to quickly self-organize to form a wireless multi-hop broadband network, providing users with wireless transmission services for multimedia services such as voice, data, and video. Especially suitable for ultra-long-distance wifi module remote coverage link communication, information collection and recovery. Area coverage support. Application scenarios such as commanding heights to enhance coverage and relay relay transmission nodes. The transmission power of the device can reach 20W (43dBM). All nodes are in a visual or non-visual environment without a central gateway. All nodes have equal status and can be used as terminal nodes. Relay nodes or central nodes can quickly establish wireless communication networks without relying on wired communication lines.
The device supports network data transmission and voice intercom. Beidou and GPS positioning. Local wifi signal coverage, the system adopts the same frequency networking. Multi-hop relay, supporting any network topology such as point-to-point. peer to peer. chain relay. network and hybrid network topologies, etc. Working frequency of ultra-long distance wifi module equipment: 512~582mHz.570~590(U segment).1240~1300mHz.1428~1448mHz(L segment). The barrier-free transmission distance can reach more than 20km, and the air-to-ground can reach more than 50km.
Main features of the system:
1. There is no central co-frequency group network, all nodes have equal status and can be used as terminal nodes. Wireless communication networks can be established quickly without relying on wired communication lines.
2. Multi-node fast and flexible networking, the same frequency networking can support more than 52 nodes, the system itself can automatically calculate the link route according to the channel quality, service rate, bit error and other indicators, without affecting the original data, voice, video, etc. business.
3. Any network topology, the ultra-long-distance wifi module MESH wireless ad hoc network system supports any network topology, such as point-to-multipoint, chain relay, network, hybrid network, etc.
4. High data bandwidth moves fast, the peak data bandwidth of MESH wireless ad hoc network system is 96Mbps (based on 20MHz carrier bandwidth). The node has a non-fixed dynamic transmission capability, and the rapid movement does not affect high data bandwidth services such as voice, data, and video, and is not restricted by the rapid changes in the system topology and the high-speed movement of the terminal.
5. Anti-interference, can effectively suppress out-of-band harmonic interference through an external filter, and improve the anti-interference and signal-to-noise ratio of the signal. At the same time, the ARQ (Automatic Retransmission Request) transmission mechanism is adopted to reduce the loss rate of data transmission and improve the reliability of data transmission. In addition, it also has its own scanning function, which can manually select the smaller frequency affected by the interference according to the scanning result of the center frequency point, so as to avoid the interference frequency.
6. Anti-multipath ability, ultra-long-distance wifi module MESH wireless ad hoc network system has strong anti-multipath ability, and supports automatic wireless relay transmission. All nodes in the system support multi-hop relay (relay) communication, which can adapt to various terrains and application scenarios. Especially in the mountains. Dense urban or vegetation cover. The height or depth of a building. Traditional radio equipment such as basements, subways, and tunnels are difficult to cover or weakly cover scene areas, and cover non-line-of-sight (NLOS) for the above obstacles. For scenarios such as surface and underground communication, you can rely on excellent diffraction reflection multipath transmission and penetration capabilities, and then rely on the effective coverage and extension of repeaters to achieve multipath relay transmission.
7. Anti-disastrous, MESH wireless ad hoc network system does not affect the use of the entire network when a single node device fails.
8. Security and Confidentiality. The system can effectively prevent illegal users from invading the network. The system also supports AES128/AES256 source encryption)
9. Full IP network interconnection. The ultra-long-distance wifi module MESH wireless ad hoc network system adopts the all-IP design concept. At present, it supports the undifferentiated transmission of various data, and is easy to interconnect with other heterogeneous communication systems (such as public network, private network, satellite communication, microwave, etc.) to realize real-time interaction of multimedia services.
10. Support multiple services, MESH wireless ad hoc network system supports real-time transmission of voice, image, data and positioning information (GPS/Beidou). All nodes can be used in conjunction with the control terminal, and various management and scheduling functions can be realized through the configured MESH ad hoc network terminal system software. The mobile interactive platform and mobile terminal configured by MESH ad hoc network terminal system software can also be used for real-time service transmission.
Transmission scheme:
1. Enable the MESH ad hoc network mode of the ultra-long-distance wifi module, and disable any automatic jump access.
2. Use a 200ah battery to store power for the device.
3. Adopt 18V120W photovoltaic panel power supply system.
4. High-definition cameras, sensors, weather stations and other data acquisition equipment.
5. The MESH host adds a built-in 2.4G WiFi coverage tower to attach other devices.
