The new generation of industrial optical fiber radio technology
Fiber-optic radio technology (light-borne wireless communication) radio-over-fiber (ROF) technology is a newly developed wireless access technology that combines fiber optic communication and wireless communication in response to the needs of high-speed and large-capacity wireless communication. The optical remote radio frequency system is a product driven by technology and cost, and is a manifestation of the preliminary combination of optical network and wireless network. It can greatly reduce the operator's requirements for site resources, reduce investment, and can effectively improve the coverage effect.
Compared with the conventional WiFi local area network, Feiriao Ao WiFi optical fiber radio (optical wireless) signal distribution system has the following advantages:
(1) Realize low-cost, long-distance and large-scale distribution of WiFi radio frequency signals.
(2) WiFi optical fiber radio signal distribution system adopts WiFi optical fiber radio center controller to centrally manage and control WiFi local area network, which can greatly improve the reliability of the system, facilitate network management and maintenance, and facilitate system network upgrade.
(3) The structure of the remote node and radiating antenna of the WiFi optical fiber radio signal distribution system is simple, which reduces the cost and complexity of the remote access point.
(4) The network protocol of the WiFi optical fiber radio signal distribution system adopts the standard TCP / IP network protocol, and the system is easy to expand.
(5) WiFi optical fiber radio signal distribution system can realize remote control, management and data collection through WiFi local area network, especially suitable for wireless network signal distribution in large factories, docks, hospitals, intelligent buildings and other occasions.
(6) WiFi optical fiber radio signal distribution system combines optical fiber radio technology and WiFi wireless local area network, and can also be integrated into embedded Web device server, RFID radio frequency identification technology is equivalent to one, to achieve the fusion of computer, communication and control Networking).
A new-generation industrial wireless network constructed by a WiFi fiber radio signal distribution system:
The use of a new generation of industrial wireless communication network system can form a wireless M2M system, which integrates data collection, industrial control, remote monitoring and management, and serves as an ecosystem of computers, networks, equipment, sensors, humans, telecommunications, and information technology. Industrial control can automate business processes, integrate the real-time status of corporate information technology (IT) systems and non-IT equipment, and create value-added services. This platform can operate in environments such as safety monitoring, automatic meter reading, mechanical service and maintenance operations, vending machines, public transportation systems, fleet management, industrial process automation, electric machinery, and urban informatization, and provides a wide range of applications and solutions. Program.
About the core equipment of the system: optical wireless switch
Optical carrier wireless switch is a new generation of optical carrier wireless network switch developed by Guangzhou Feirui Ao Electronic Technology Co., Ltd. and Beijing University of Posts and Telecommunications.
The product concentrates the generation and processing of WiFi signals in the interior (central computer room), realizes a large-scale (200 to 5000 meters) distribution with optical fibers, and completes signal coverage and two-way transmission through remote antennas. The product can mix WiFi and 2G3G4G and other wireless signals, which can save users a lot of investment in wireless network construction, avoid repeated construction, and greatly increase the speed of network construction.
Three main characteristics of optical carrier wireless switch:
1. Localization of wireless signal source: The wireless signal is generated by the optical carrier wireless switch, and after processing and conversion, it can be transmitted to the far end of 200 meters to 5000 meters by optical fiber. The advantages it brings are: 1. Centralized signal management. 2. Local equipment maintenance. 3. More secure and stable.
2. Mixed bidirectional transmission of WIFI and 2G / 3G signals: 2G and 3G (and future 4G) signals are connected to the optical wireless switch via cable, mixed with WIFI signals and converted into optical signals and transmitted to the remote antenna to achieve mixing Two-way transmission of signals.
3. Reconstruct the wireless network: That is, when there are too many users in a certain area, the network bandwidth is insufficient, the communication is not smooth, and the network is blocked. The light-borne wireless network system can be equipped with other idle WIFI signals to support this area to achieve signal reconstruction.
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