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1.0 Intelligent Campus Network Solution

2.0 IDC Data Center Network Solution

3.0 Enterprise Cloud Solutions

4.0 Overall Information Security Solution

5.0 Smart Wireless Total Solution

6.0 HD Video Conference Solution

7.0 IDC Computer Room Construction Solution

8.0 Intelligent Weak Current Solution

9.0 Intelligent Building Solution

10.0 Intelligent Management Center Overall Solution

5.4 Wireless bridging solution
5.4 Wireless bridging solution
Date: 2018-12-06


1 Overview

WLAN )技术于 20 世纪 90 年代逐步成熟并投入商用,既可以作传统有线网络的延伸,在某些环境也可以替代传统的有线网络。 Wireless local area network ( WLAN ) technology gradually matured and became commercially available in the 1990s . It can be used as an extension of traditional wired networks, and can also replace traditional wired networks in some environments. Wireless LAN has the following significant features:

Ø   WLAN 网桥传输系统的安装快速简单,可极大的减少敷设管道及布线等繁琐工作; Simplicity: The installation of the WLAN bridge transmission system is fast and simple, which can greatly reduce the tedious work of laying pipes and wiring;

Ø   WLAN 设备可以灵活的进行安装并调整位置,使无线网络达到有线网络不易覆盖的区域; Flexibility: Wireless technology allows WLAN equipment to be flexibly installed and adjusted in position, enabling wireless networks to reach areas that are not easily covered by wired networks;

Ø   WLAN 网络减少了布线的费用,另一方面在需要频繁移动和变化的动态环境中,无线局域网技术可以更好地保护已有投资。 The overall cost is low: On the one hand, the WLAN network reduces the cost of wiring, and on the other hand, in a dynamic environment that requires frequent movement and changes, wireless LAN technology can better protect existing investments. WLAN 技术本身就是面向数据通信领域的 IP 传输技术,因此可直接通过百兆自适应网口和企业、学校内部 Intranet 相连,从体系结构上节省了协议转换器等相关设备; At the same time, because the WLAN technology itself is an IP transmission technology oriented to the field of data communication , it can be directly connected to the intranet of enterprises and schools through a 100M adaptive network port, which saves related equipment such as protocol converters from the architecture;

Ø   WLAN 网桥系统支持多种拓扑结构及平滑扩容,可以十分容易地从小容量传输系统平滑扩展为中等容量传输系统; Strong expansion capability: The WLAN bridge system supports a variety of topological structures and smooth expansion, which can be easily expanded smoothly from a small-capacity transmission system to a medium-capacity transmission system;

WLAN 技术的快速发展和不断成熟,目前在国内外具有较多的中大规模应用,诸如杭州市的全城覆盖,向客户提供各种业务。 With the rapid development and maturity of WLAN technology, there are currently many medium and large-scale applications at home and abroad, such as Hangzhou's city-wide coverage, providing customers with various services.

2 demand analysis

Considering that the project has a large amount of network construction. Therefore, the purpose of this wireless network construction is to directly wirelessly bridge the buildings in the camp and interconnect the network systems of the buildings.

3 Wireless bridge solution


Note: The equipment used in this wireless bridge is an enterprise-level professional bridge device.

The point-to-multipoint bridging application is an extension of the point-to-point bridging application function, which can realize the network interconnection between multiple isolated outlets or branch structures, such as the communication between the ports of the port.

Its network deployment consists of a central node and several edge nodes. All edge nodes establish wireless connections with the central node. Communication between the edge nodes must be performed through the central node and cannot be performed directly. The point-to-multipoint bridging application is particularly suitable for the situation where there are many branch sites. By setting up a central node in a suitable geographical location, the number of wireless link connections can be reduced, and the occurrence of network loops can be avoided.

4 . Advantages of wireless bridging

Compared with the traditional wired network connection, wireless network bridging has many advantages, mainly reflected in the following aspects:

Ø   There is no need to dig trenches to set up a wireless bridge network, and the line is opened quickly. It can be erected at any time, and the link can be added at any time for easy installation and expansion. The wired network must be dug, and due to the terrain, it cannot be laid arbitrarily, and the construction period is long.

Ø   The quality of a wired network connection generally decreases sharply as the line expands. 1 M到 11 M的通信速率。 For the point-to-point wireless bridging method, there is almost no impact within 50 kilometers, and it can generally provide a communication rate from 1M to 11M.

Ø   Except for the telecommunications department, the communication system of other units does not have the right to dig trenches and lay cables in urban areas; the wireless bridging method can flexibly customize the private network according to customer needs.

Ø   The maintenance of the wired link needs to be checked along the line. When a fault occurs, it is generally difficult to find the fault point in time. The wireless bridge communication only needs to maintain the spread-spectrum radio station. When a fault occurs, it can quickly find the cause and restore the normal operation of the line.

Ø   The wireless bridge network can quickly (within several tens of minutes) set up communication links to achieve the purpose of temporary, emergency, and disaster-resistant communication, while the wired network connection takes a long time. In summary, wireless bridge communication exceeds traditional wired network connection methods in many aspects such as reliability, availability, and survivability. Especially in some special geographical environments, it shows its superiority.


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