Challenge：

• A small number of users in a single region, usually dozens;
• The distance of countryside uses is 2~3 km；
• Far away from infrastructure regions ；
• Wired broadband erection high costs low income

 

 

Requirement：

• Using 2G/3G base station resource；
• Single-station capacity mor than 80 clients ；
• Bandwidth of each client more than 2Mbps;
• The farthest distance more than 3km；
• Stable, scalable, maintainable, secure;

 

 

 

Solution:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

• The network architecture of wireless broadband access system consists of access layer, convergence layer and core layer;
• Access layer includes CPE, AP and access layer base type power switch;
• Aggregation layer includes aggregation layer switches, BRAS, and wireless access controller;
• The core layer including core switches, core routers, various servers;
• According to specific circumstances, base station AP and AC choose Layer 3 or Layer 2  networking;
• based on the actual number of users, capacity, frequency use, etc., base station AP and CPE can be different.