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Vigorously to stimulate domestic demand as the country's economy Policy The development, transport infrastructure, represented the most important elements to become one of them. "To the rich, first build roads", it is foreseeable that in the next period of time, rapid extension of highway in China, the scale of construction will take on the fast-growing trend.
Present, most of the provinces of highway road network has been formed, a separate section of Abnormal increasingly wide range of events, a necessary requirement to communicate between adjacent sections of coordination, information sharing, the gradual introduction of the highway and deepening Video Surveillance System, no doubt the information highway for the efficient management to provide basic help: First, fixed-point monitoring, every 5 km on the highway about setting a fixed control point, this point can understand the sections of the traffic situation discover Traffic Accident Section took place, but also allows the vehicle identification, speeding penalty functions; 2, mobile surveillance, when a traffic accident, incident handling personnel rushed to the scene in time to return the video the first time, the command center can be deployed under the command of field conditions police.
Highway video monitoring has its particularity, more basically because of highway construction in cities and between cities, spatial span, outdoor environment, adverse, high maintenance cost. Traditional wired network construction in the construction cycle, system maintenance, the cost of inputs are not suitable for application in ultra distance highway system, the wireless network with its high degree of flexibility, convenience, mobility, low cost, to protect users investment properties as the best motorway network video surveillance Solutions . To this end, focus on the professional video surveillance wireless brand?? BITWAVE, for the highway network transmission system introduced advanced wireless video surveillance solutions to solve the highway problems encountered by video transmission.
Bitwave based highway toll station has been connected to the cable characteristics and long distance video surveillance along the special needs, design a set of advanced wireless control transmission system, which combines the most advanced wireless communications Technology Wireless link aggregation technology, MESH routing, intelligent network management technology, video surveillance technology and intelligent control and other advanced technologies, the system with high stability and availability to address the highway along the remote video transmission, ip voice calls, data return, and many other issues.
Map In Bitwave highway video surveillance system, the core wireless network set up, must meet the long-distance video transmission bandwidth requirements, while stable and reliable network transmission requirements. In this design scheme, Bitwave scientific prominent wireless link design, planning advantages. As shown above, due to cable charging stations have access to toll-centered access to both sides of the extension of the wireless hop, generally between two toll stations are mostly less than 40 kilometers, which can be designed for every 4 to 5 km to achieve a jump, so that both sides in the toll jumps to achieve 5 to 8, will achieve full return video; each control point to install a wireless bridge BWB220 and video capture device, then transmitted by way of jumping, collecting both sides of the highway toll station of data, then transmit the information through the cable to the command center. BWB220 includes dual wireless modules, can simultaneously achieve uplink and downlink data, and data for each hop can be completed without the need to achieve protocol conversion, to send and receive wireless data, high-speed wireless data transmission rate. Two-module design also greatly reduces the installation costs of equipment management for the highway saves a lot of money.
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