Refers to the user terminals from switching nodes between, some or all adopted wireless means.
The typical wireless access system mainly consists of controller, operation and maintenance center, base-station, fixed users unit and mobile terminal and so on several parts. Each branch finish
Function as follows
1 controller
Through its offer and controller switches, base station and operation maintenance center interface and these functions entity connections. Controller's main function is to handle user calls (including call setting up, take out stitches, etc.), to base stations management, through base stations wireless channels, base station monitoring and control of fixed and mobile terminal user unit monitoring and management.
2 operation maintenance center
Operation maintenance center is responsible for the entire wireless access system operation and maintenance, its main function is to the whole system configuration management, to each network unit of software and various configuration data operation: in system during the running of parts of the system for monitoring and data collection, For system operation process appears fault record and alarm. In addition, still can on the system's performance testing.
