Wi-Fi wireless MAN: 3G useful complement (Photos)-Wi-Fi, 3G, WLAN-communication industry

Wi-Fi wireless MAN: 3G useful complement (Photos)-Wi-Fi

, 3G, WLAN-communication industry

Present, China Mobile Not on a large scale Wi-Fi wireless metropolitan area network, WLAN hot spot in recent years, the original no large-scale expansion, but the WLAN wireless metropolitan area network even in China Mobile also have its uses. China's future mobile networks may be based on the existing features and advantages, new or rebuilt WLAN MAN.

Wi-Fi MAN target network structure Shown in Figure 1, China Mobile WLAN network from the WLAN terminal MAN, AP, AC, business support system components. Among them, Ethernet Switches AP and IP metro access through CMNET. Overall network architecture is clear and simple, the original WLAN MAN on the group business support systems if they want to conduct our activities in the local business certified WLAN, WLAN to the introduction of local business support systems.

Figure 1 China Mobile target cities WLAN network structure AC

network users according to different nature also were sent to the user's authentication information corresponding authentication platform. If the local WLAN users, generally use the user name + password authentication, using PPPOE authentication, local user authentication information will be sent to the local authentication and accounting platform certification. If China Mobile users with e-line, then add @ WEB suffix, according to suffix famous line of user authentication information along with e sent to RADIUS authentication and accounting platform for national certification. AC under the domain name to SIM authentication user authentication information sent to the group SIM authentication platform certification. If other carriers roaming user's user name, user authentication information sent will be the national accreditation of authentication and accounting platform.

Wi-Fi MAN ideas China Mobile to City metropolitan area in the development of WLAN, it should fully understand the company's strengths and weaknesses, from the following aspects for WLAN metropolitan area network.

1. To rely on Mobile base stations Make full use of existing resources, construction MAN. China Mobile Metro

relative lack of resources, but the mobile base stations in urban areas have more dense, so the construction process in the metro, we should make full use of base station resources. The terms of China Mobile, WLAN only rely on the construction of mobile MAN Communicate Network construction, China Mobile can play the advantages of MAN.

2. To make full use of existing indoor distribution system.

China Mobile has a lot of indoor distribution system, and some hot spots, especially in commercial areas, there are other mobile network, indoor distribution system, construction of WLAN MAN, consider the new type of indoor distribution system or rehabilitation. Future construction 3G Indoor coverage, the same taking into account the indoor WLAN coverage problem.

3. In connection with WLAN market demand to build MAN.

Fact, China's vast territory and various cities in east and west or the demand for wireless broadband are different, in order to maximize the effectiveness of the network can be based around the different market needs, to build the scale of the network, some of the demand for more big city hot spots, the construction of the network can be appropriately ahead.

4. To take full advantage of the scale of the existing advantages of mobile users, bundling the development of WLAN users.

For users in terms of development, China Mobile can now consider the size of mobile end-user market advantage of using a variety of business and operations experience tied to the WLAN user operation, to develop their own in the field of broadband users scale.

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