Base station controller in IMT-2000 system

Details Base station controller in IMT-2000 system Base station controller in IMT-2000 system

2005-09-27

2005-09-27

Qureshi, Afsar (Department: 2667)

Multiplex communications

Communication over free space

Using atm as a wireles protocol

C370S328000, C370S389000, C370S535000

Reexamination Certificate

active

06950412

ABSTRACT:
A base station controller in IMT-2000 system is disclosed. The base station controller includes a local routing unit for interfacing the BTS with the MSC, for processing a call and a No. 7 signal and for providing alarms occurred in the BSC to the BSM; a vocoding unit for vocoding voice data received through the local routing unit; a global routing unit for interfacing among the local router, other local routers and the BSM; and a clock generating unit for clocks necessary for controlling the BTS and the BSM based on time and frequency clocks received from a global positioning system (GPS).

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